/* ========================================
   新思·AI研究院官网 - 全站共享样式 V2
   科技感 · 高端大气 · 沉浸动效
   ======================================== */

/* CSS变量定义 - Apple风格活跃配色 */
:root {
    /* 主题色 - 科技蓝 */
    --primary-color: #165DFF;
    --primary-light: #4080FF;
    --primary-dark: #0E42D2;
    --primary-glow: rgba(22, 93, 255, 0.4);

    /* 参考 Harness Agent 第13页 CTA 背景 */
    --brand-bg-deep: #0A1628;
    --brand-bg-layer: #122040;
    --brand-bg-accent: #005A9E;

    /* 辅助色 */
    --dark-bg: var(--brand-bg-deep);
    --dark-secondary: var(--brand-bg-layer);
    --dark-card: #16162a;
    --white: #ffffff;
    --gray-light: #f8f9fc;
    --gray: #e2e5ef;
    --gray-text: #6b7280;
    --text-dark: #0f1117;
    --text-light: #9ca3af;

    /* 渐变色 - 活跃苹果风格 */
    --gradient-primary: linear-gradient(135deg, #165DFF 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-dark: linear-gradient(180deg, var(--brand-bg-deep) 0%, var(--brand-bg-layer) 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(22, 93, 255, 0.15) 0%, transparent 70%);
    --gradient-hero: linear-gradient(135deg, var(--brand-bg-accent) 0%, var(--brand-bg-layer) 45%, var(--brand-bg-deep) 100%);
    --gradient-aurora: linear-gradient(135deg, rgba(22, 93, 255, 0.15) 0%, rgba(59, 130, 246, 0.05) 50%, transparent 100%);

    /* 活跃辅助渐变 */
    --gradient-vibrant-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-vibrant-cyan: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --gradient-vibrant-rose: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%);
    --gradient-vibrant-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --gradient-vibrant-emerald: linear-gradient(135deg, #10b981 0%, #059669 100%);

    /* 光效 */
    --glow-primary: 0 0 40px rgba(22, 93, 255, 0.3), 0 0 80px rgba(22, 93, 255, 0.1);
    --glow-soft: 0 0 60px rgba(22, 93, 255, 0.2);
    --glow-aurora: 0 0 60px rgba(22, 93, 255, 0.3), 0 0 120px rgba(22, 93, 255, 0.1);

    /* 阴影 - 苹果风格更柔和 */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(22, 93, 255, 0.1), 0 12px 32px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(22, 93, 255, 0.14), 0 20px 48px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-card-hover: 0 12px 40px rgba(22, 93, 255, 0.12), 0 24px 64px rgba(0, 0, 0, 0.1);

    /* 圆角 - 苹果风格更圆润 */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* 间距 */
    --section-padding: 120px 0;
    --container-width: 1280px;

    /* 过渡 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
    overflow-y: auto;
    scroll-snap-type: none;
    /* 与首页（文档层无纵向滚动条）对齐，避免子页出现滚动条后顶栏水平偏移 */
    scrollbar-gutter: stable;
}

/* 首页启用全屏滚动容器（Fullpage Scrolling） */
html.page-home,
body.page-home {
    height: 100%;
    overflow: hidden;
}

body.page-home .fullpage-wrapper {
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    scroll-snap-type: none;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

body.page-home .hero,
body.page-home .video-hero,
body.page-home .section {
    min-height: 100vh;
}

/* 首页“核心技术实力”区块按内容自适应高度 */
body.page-home #homeFullpageStop {
    min-height: auto;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--dark-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 容器 */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* ========================================
   导航栏 - 玻璃态
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.55);
    backdrop-filter: blur(20px) saturate(1.4);
    -webkit-backdrop-filter: blur(20px) saturate(1.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
    background: rgba(10, 22, 40, 0.82);
    border-bottom-color: rgba(22, 93, 255, 0.25);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3), inset 0 -1px 0 rgba(22, 93, 255, 0.12);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    /* 高于 Tailwind `.container` 单类选择器，防止子页引入 Tailwind 后顶栏宽度/边距被改写 */
    max-width: var(--container-width);
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: 40px;
    padding-right: 40px;
    box-sizing: border-box;
}

.header .logo,
.header .logo span,
.header .nav,
.header .nav-item {
    font-family: 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', 'Segoe UI', -apple-system, sans-serif;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
    text-shadow: 0 0 20px rgba(22, 93, 255, 0.3);
}

.logo-icon {
    width: 38px;
    height: 48px;
    background: transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    box-shadow: none;
    position: relative;
    color: transparent;
    font-size: 0;
    overflow: hidden;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    display: none;
}

.logo-icon::before {
    content: '';
    position: absolute;
    inset: 9px 0 9px 9px;
    background: url('../asset/logo2.png') center / contain no-repeat;
    z-index: 1;
}

.nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-item {
    position: relative;
    color: rgba(255, 255, 255, 0.7);
    font-size: 17px;
    font-weight: 600;
    padding: 12px 0;
    letter-spacing: 0.8px;
    transition: var(--transition-fast);
}

.nav-item:hover,
.nav-item.active {
    color: var(--white);
    text-shadow: 0 0 20px rgba(22, 93, 255, 0.8), 0 0 40px rgba(22, 93, 255, 0.4);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    box-shadow: 0 0 10px rgba(22, 93, 255, 0.6), 0 0 20px rgba(22, 93, 255, 0.3);
    transition: width var(--transition-normal), left var(--transition-normal);
    border-radius: 3px;
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
    left: 0;
}

/* 移动端菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 12px;
}

.menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 响应式导航 */
@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(15, 17, 34, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        padding: 18px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        width: 100%;
        text-align: center;
        font-size: 16px;
    }
}

/* ========================================
   Hero轮播区域 - 全屏沉浸式
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 20% 40%, rgba(102, 126, 234, 0.22) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 60%, rgba(118, 75, 162, 0.18) 0%, transparent 55%),
        linear-gradient(
            135deg,
            #030814 0%,
            #0d2847 30%,
            #1a4a6e 50%,
            #0d2847 70%,
            #030814 100%
        );
    scroll-snap-align: none;
    scroll-snap-stop: normal;
}

/* Hero 左右两侧动效装饰 */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 450px;
    height: 700px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
    z-index: 5;
    pointer-events: none;
    animation: sideOrbFloat 12s ease-in-out infinite;
}

.hero::before {
    left: -150px;
    background: radial-gradient(ellipse, rgba(22, 93, 255, 1) 0%, rgba(59, 130, 246, 0.6) 50%, transparent 70%);
    animation-delay: 0s;
}

.hero::after {
    right: -150px;
    background: radial-gradient(ellipse, rgba(96, 165, 250, 1) 0%, rgba(22, 93, 255, 0.6) 50%, transparent 70%);
    animation-delay: -6s;
}

@keyframes sideOrbFloat {
    0%, 100% { transform: translateY(-50%) translateX(0) scale(1); opacity: 0.35; }
    33% { transform: translateY(-50%) translateX(40px) scale(1.08); opacity: 0.45; }
    66% { transform: translateY(-50%) translateX(-30px) scale(0.92); opacity: 0.25; }
}

/* 视频首屏 */
.video-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
    overflow: hidden;
}

.video-hero video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 数字雨画布 */
#matrix-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(135deg, var(--brand-bg-accent) 0%, var(--brand-bg-layer) 42%, var(--brand-bg-deep) 100%);
}

/* 粒子画布 */
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* Threads 丝线动效画布（数字雨结束后显示） */
#threads-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    display: none;
    opacity: 0;
    transition: opacity 1.2s ease;
}

/* 科技感背景 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-overlay {
    z-index: 3;
}

/* 中心光球 */
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.22) 0%, rgba(22, 93, 255, 0.08) 35%, transparent 70%);
    transform: translate(-50%, -50%);
    will-change: transform;
    pointer-events: none;
    animation: glowPulse 8s ease-in-out infinite;
    z-index: 6;
}

/* 亮核：让飘动/跟随更明显 */
.hero-glow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.95) 0%, rgba(22, 93, 255, 0.75) 25%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    filter: blur(22px);
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* 网格线 */
.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridFloat 30s linear infinite;
}

@keyframes gridFloat {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

/* 渐变遮罩 */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(to bottom, rgba(10, 22, 40, 0.08) 0%, transparent 24%, transparent 78%, rgba(10, 22, 40, 0.22) 100%),
        radial-gradient(ellipse at 50% 0%, rgba(22, 93, 255, 0.05) 0%, transparent 50%);
    z-index: 4;
    pointer-events: none;
}

/* ========================================
   AI训练数据面板 - 代码风格
   ======================================== */
.ai-data-panel {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    width: 300px;
    background: rgba(13, 17, 23, 0.95);
    border: 1px solid rgba(48, 54, 61, 0.8);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow:
        0 0 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
}

.panel-left {
    left: 24px;
}

.panel-right {
    right: 24px;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(30, 34, 40, 0.95);
    border-bottom: 1px solid rgba(48, 54, 61, 0.8);
}

.panel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.panel-dot.red { background: #ff5f57; }
.panel-dot.yellow { background: #febc2e; }
.panel-dot.green { background: #28c840; }

.panel-title {
    margin-left: 12px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

.panel-content {
    padding: 16px;
    height: 280px;
    overflow: hidden;
    animation: scrollCode 8s linear infinite;
}

@keyframes scrollCode {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

.code-line {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 12px;
    line-height: 1.8;
    color: #abb2bf;
    white-space: nowrap;
    margin-bottom: 4px;
}

.code-keyword {
    color: #c678dd;
}

.code-num {
    color: #d19a66;
}

.code-string {
    color: #98c379;
}

.code-var {
    color: #e06c75;
}

.code-comment {
    color: #5c6370;
    font-style: italic;
}

.code-highlight {
    color: #61afef;
    background: rgba(97, 175, 239, 0.1);
    padding: 2px 8px;
    border-radius: 3px;
    margin: 4px -8px;
}

.scroll-bar {
    height: 8px;
    background: rgba(40, 44, 52, 0.5);
    position: relative;
}

.scroll-thumb {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--primary-color), #3b82f6);
    border-radius: 4px;
    animation: scrollThumb 4s ease-in-out infinite;
}

@keyframes scrollThumb {
    0%, 100% {
        left: 0;
        width: 30%;
    }
    50% {
        left: 70%;
        width: 30%;
    }
}

/* 移动端隐藏 */
@media (max-width: 992px) {
    .ai-data-panel {
        display: none;
    }
}

/* 平板显示小面板 */
@media (max-width: 1200px) {
    .ai-data-panel {
        width: 240px;
    }

    .panel-content {
        height: 200px;
        font-size: 10px;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}

/* 顶部标签 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(22, 93, 255, 0.1);
    border: 1px solid rgba(22, 93, 255, 0.3);
    border-radius: 50px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 主标题 */
.hero-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    line-height: 1.08;
    perspective: 800px;
}

.hero-title-flip {
    display: inline-block;
    position: relative;
    transform-origin: center bottom;
}

.hero-title-flip-inner {
    display: block;
    position: relative;
    transform-style: preserve-3d;
}

.hero-title-face {
    display: block;
    backface-visibility: hidden;
    white-space: nowrap;
}

.hero-title-face--back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    text-align: center;
    transform: rotateY(180deg);
    color: #60a5fa;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-flip--first .hero-title-face--back {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #60a5fa 100%);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientShift 5s ease infinite;
}

/* 第一行：先掉落，稳定后翻转 */
.hero-title-flip--first {
    animation: titleDropSmash 1.4s both 0.2s;
}
.hero-title-flip--first .hero-title-flip-inner {
    animation: titleFlip3D 0.8s both 2.6s;
}

/* 第二行：后掉落，稳定后翻转 */
.hero-title-flip--second {
    animation: titleDropSmash 1.4s both 1.0s;
}
.hero-title-flip--second .hero-title-flip-inner {
    animation: titleFlip3D 0.8s both 3.4s;
}

/* 第二行背面：霓虹灯环绕效果 */
.hero-title-flip--second .hero-title-face--back {
    color: #fff;
    background: none;
    -webkit-background-clip: initial;
    -webkit-text-fill-color: initial;
    background-clip: initial;
    animation: neonOrbit 2s linear 4.2s 1 forwards;
}

/* 标题重物砸地动效 */
@keyframes titleDropSmash {
    0% {
        transform: translateY(-100vh);
        opacity: 0;
        animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
    }
    50% {
        transform: translateY(10px);
        opacity: 1;
        animation-timing-function: ease-out;
    }
    55% {
        transform: translateY(0) scaleY(0.94) scaleX(1.03);
        animation-timing-function: ease-out;
    }
    60% {
        transform: translateY(-10px) scaleY(1.03) scaleX(0.98);
        animation-timing-function: ease-out;
    }
    65% {
        transform: translateY(0) scaleY(0.97) scaleX(1.02);
        animation-timing-function: ease-out;
    }
    69% {
        transform: translateY(-4px) scaleY(1.01) scaleX(0.99);
        animation-timing-function: ease-out;
    }
    73% {
        transform: translateY(0);
        animation-timing-function: ease-in-out;
    }
    /* 余震：上下微震，非旋转 */
    78% {
        transform: translateY(-1.5px);
    }
    82% {
        transform: translateY(1px);
    }
    86% {
        transform: translateY(-0.8px);
    }
    90% {
        transform: translateY(0.5px);
    }
    94% {
        transform: translateY(-0.3px);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes titleFlip3D {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(180deg);
    }
}

/* 霓虹灯环绕字体动效 */
@keyframes neonOrbit {
    0%   { text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, -6px -6px 0 #a78bfa; }
    12.5%{ text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, 0 -8px 0 #a78bfa; }
    25%  { text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, 6px -6px 0 #a78bfa; }
    37.5%{ text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, 8px 0 0 #a78bfa; }
    50%  { text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, 6px 6px 0 #a78bfa; }
    62.5%{ text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, 0 8px 0 #a78bfa; }
    75%  { text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, -6px 6px 0 #a78bfa; }
    87.5%{ text-shadow: 0 0 4px #fff, 0 0 10px #3479f9, 0 0 20px #3479f9, 0 0 40px #3479f9, -8px 0 0 #a78bfa; }
    100% {
        text-shadow:
            1px 1px 0 #3479f9,
            2px 2px 0 #3479f9,
            3px 3px 0 rgba(52, 121, 249, 0.8),
            4px 4px 0 rgba(52, 121, 249, 0.5),
            5px 5px 0 rgba(52, 121, 249, 0.3),
            0 0 20px rgba(52, 121, 249, 0.2);
    }
}

/* 渐变文字微流动效 */
@keyframes gradientShift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 副标题 */
.hero-subtitle {
    font-size: clamp(16px, 2vw, 22px);
    color: rgba(255, 255, 255, 0.72);
    margin-bottom: 48px;
    letter-spacing: 0.04em;
    animation: fadeInUp 0.8s ease 0.4s both;
    font-weight: 500;
}

.hero-subtitle span {
    margin: 0 16px;
    color: rgba(255, 255, 255, 0.3);
}

/* 按钮组 */
.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-buttons .btn {
    padding: 18px 36px;
    font-size: 16px;
    border-radius: 999px;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 0 40px rgba(22, 93, 255, 0.25);
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(22, 93, 255, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
}

/* 向下滚动指示 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-indicator::after {
    content: '';
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scrollDown 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

@keyframes scrollDown {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(8px); }
}

/* 响应式Hero */
@media (max-width: 992px) {
    .hero-title {
        font-size: 48px;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 15px;
        letter-spacing: 0;
    }

    .hero-subtitle span {
        display: block;
        margin: 8px 0;
    }
}

/* ========================================
   通用区块
   ======================================== */
.section {
    padding: var(--section-padding);
    position: relative;
    scroll-snap-align: none;
    scroll-snap-stop: normal;
    min-height: 100vh;
    overflow: visible;
}

.section-dark {
    background: var(--dark-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.section-subtitle {
    font-size: clamp(15px, 1.6vw, 18px);
    color: rgba(255, 255, 255, 0.65);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
    font-weight: 400;
}

.section-header--process {
    margin-top: 80px;
}

/* ========================================
   核心优势 - 玻璃态卡片
   ======================================== */
.advantages {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 50% at 15% 30%, rgba(102, 126, 234, 0.2) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 85% 70%, rgba(59, 130, 246, 0.16) 0%, transparent 50%),
        linear-gradient(
            180deg,
            #0a1e3a 0%,
            #0d2847 25%,
            #1a3a5e 50%,
            #0d2847 75%,
            #0a1e38 100%
        );
}

.advantages-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.adv-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
}

.adv-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.adv-glow-1 {
    top: 20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.15) 0%, transparent 70%);
    animation: caseFloat1 20s ease-in-out infinite;
}

.adv-glow-2 {
    bottom: 10%;
    right: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
    animation: caseFloat2 25s ease-in-out infinite;
}

/* advantages 区块独立间距，避免受全局 --section-padding 影响过大 */
.section.advantages {
    padding-top: clamp(72px, 8vw, 108px);
    padding-bottom: 120px;
    min-height: auto;
}

.section.advantages .container {
    position: relative;
    z-index: 1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.advantage-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 0 0 30px;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card-media {
    height: 190px;
    position: relative;
    overflow: hidden;
}

.card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1.08) saturate(1.04);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 17, 34, 0.02) 0%, rgba(15, 17, 34, 0.26) 100%);
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(22, 93, 255, 0.5), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.advantage-card:hover .card-media img {
    transform: scale(1.08);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: -32px auto 22px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--glow-primary);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.2);
    z-index: 2;
}

.advantage-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: inherit;
    background: var(--gradient-primary);
    opacity: 0.3;
    filter: blur(15px);
    z-index: -1;
}

.advantage-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
    padding: 0 24px;
}

.advantage-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    padding: 0 24px;
}

@media (max-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 36px;
    }
}

/* ========================================
   产品展示 - 悬浮卡片
   ======================================== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.product-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.3), transparent, rgba(22, 93, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(22, 93, 255, 0.2);
}

.product-card:hover::before {
    opacity: 1;
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--dark-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(22, 27, 42, 0.85) 0%, rgba(22, 27, 42, 0.2) 40%, transparent 100%);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-tag {
    padding: 6px 12px;
    background: rgba(22, 93, 255, 0.9);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
}

.product-content {
    padding: 28px;
}

.product-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--white);
}

.product-desc {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* 首页 · 明星产品区块：价值条 + 加宽卡片 + 底栏 CTA */
.products-showcase {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 50% at 25% 25%, rgba(59, 130, 246, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 75% 75%, rgba(102, 126, 234, 0.14) 0%, transparent 50%),
        linear-gradient(
            180deg,
            #0d2847 0%,
            #1a4a6e 30%,
            #0d2847 70%,
            #0a1e38 100%
        );
}

.products-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.prod-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.prod-glow-1 {
    top: 10%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.15) 0%, transparent 70%);
    animation: prodFloat1 20s ease-in-out infinite;
}

.prod-glow-2 {
    bottom: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
    animation: prodFloat2 25s ease-in-out infinite;
}

@keyframes prodFloat1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(50px, 30px) rotate(5deg); }
}

@keyframes prodFloat2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-40px, -40px) rotate(-5deg); }
}

.prod-particles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(22, 93, 255, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.06) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(22, 93, 255, 0.05) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
}

.product-value-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    list-style: none;
    margin: 0 0 48px;
    padding: 0;
    position: relative;
    z-index: 1;
}

.product-value-strip__item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 18px 20px;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: border-color var(--transition-fast), background var(--transition-fast);
}

.product-value-strip__item:hover {
    border-color: rgba(22, 93, 255, 0.28);
    background: rgba(22, 93, 255, 0.06);
}

.product-value-strip__icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(22, 93, 255, 0.12);
    color: var(--primary-light);
}

.product-value-strip__label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.product-value-strip__hint {
    display: block;
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.45;
}

/* 旗舰卡 + 三列：大屏 6 栅格，InChat 占半宽 */
.products-grid--showcase {
    position: relative;
    z-index: 1;
}

@media (min-width: 1200px) {
    .products-grid--showcase {
        grid-template-columns: repeat(12, 1fr);
    }

    .product-card--featured {
        grid-column: 1 / -1;
    }

    .products-grid--showcase .product-card:not(.product-card--featured) {
        grid-column: span 4;
    }
}

.product-card--featured .product-image {
    height: 240px;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.product-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--primary-light);
    background: rgba(22, 93, 255, 0.12);
    border: 1px solid rgba(22, 93, 255, 0.25);
    border-radius: 999px;
}

.product-pill--muted {
    color: rgba(255, 255, 255, 0.75);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 500;
}

.product-highlights {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}

.product-highlights svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--primary-light);
}

.product-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 20px;
}

.product-link-sub {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color var(--transition-fast);
}

.product-link-sub:hover {
    color: var(--white);
}

.product-link-sub:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.95);
    outline-offset: 3px;
    border-radius: 4px;
}

/* 分类标签默认可见（不依赖 hover），底部渐变保证对比 */
.products-showcase .product-overlay {
    align-items: flex-end;
    justify-content: flex-start;
    padding: 16px 16px 14px;
    opacity: 1;
    background: linear-gradient(to top, rgba(8, 10, 20, 0.88) 0%, rgba(8, 10, 20, 0.35) 45%, transparent 100%);
}

.products-showcase .product-card:hover .product-overlay {
    opacity: 1;
}

.products-showcase__footer {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    position: relative;
    z-index: 1;
}

.products-showcase__footer-text {
    max-width: 640px;
    margin: 0 auto 24px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

.products-showcase__footer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

@media (max-width: 992px) {
    .product-value-strip {
        grid-template-columns: repeat(2, 1fr);
    }

    .products-grid--showcase .product-card--featured {
        grid-column: 1 / -1;
    }
}

@media (max-width: 576px) {
    .product-value-strip {
        grid-template-columns: 1fr;
    }

    .products-showcase__footer-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .products-showcase__footer-actions .btn {
        width: 100%;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .product-card:hover {
        transform: none;
    }

    .product-card:hover .product-image img {
        transform: none;
    }
}

/* ========================================
   产品案例展示区 - 液态玻璃卡片
   ======================================== */
.case-section {
    position: relative;
    padding: 100px 0 120px;
}

.case-section .section-header {
    text-align: center;
    margin-bottom: 64px;
}

.case-section .eyebrow {
    display: inline-block;
    margin-bottom: 14px;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--primary-light);
}

.case-section .section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.case-section .section-subtitle {
    font-size: 16px;
    color: var(--text-light);
    max-width: 56ch;
    margin: 0 auto;
    line-height: 1.7;
}

/* 案例网格 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* 案例卡片 - 液态玻璃主容器 */
.case-card {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(10, 12, 24, 0.55));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 32px 90px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(40px);
}

.case-card.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1) calc(var(--index) * 120ms),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1) calc(var(--index) * 120ms),
                box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover {
    transform: translateY(-6px);
    border-color: rgba(22, 93, 255, 0.25);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.1) inset,
        0 40px 100px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(22, 93, 255, 0.08);
}

/* 卡片内边缘折射高光 */
.case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.25), transparent 40%, transparent 60%, rgba(22, 93, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.case-card:hover::before {
    opacity: 1;
}

/* 顶部视觉区 */
.case-card__hero {
    position: relative;
    padding: 0;
}

.case-card__image {
    height: 180px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

/* 各案例配图渐变占位 */
.case-card__image--data {
    background: linear-gradient(135deg, #0d2847 0%, #1a4a6e 40%, #0a3a5e 100%);
}

.case-card__image--aiops {
    background: linear-gradient(135deg, #0a1e38 0%, #1a3a5e 40%, #0d2847 100%);
}

.case-card__image--children {
    background: linear-gradient(135deg, #0d3047 0%, #1a4a6e 40%, #0a2847 100%);
}

.case-card__image--office {
    background: linear-gradient(135deg, #0a1e3a 0%, #1a3a5e 40%, #0d2847 100%);
}

.case-card__image--health {
    background: linear-gradient(135deg, #0a2a3a 0%, #1a4a5e 40%, #0d3040 100%);
}

.case-card__image--aiia {
    background: linear-gradient(135deg, #0a1e38 0%, #1a3a6e 40%, #0d2847 100%);
}

/* 配图区装饰纹理 */
.case-card__image::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(22, 93, 255, 0.15) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(59, 130, 246, 0.1) 1px, transparent 1px);
    background-size: 60px 60px, 90px 90px;
    opacity: 0.6;
}

/* 配图遮罩 */
.case-card__image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 180px;
    background: linear-gradient(180deg, transparent 30%, rgba(10, 22, 40, 0.85) 100%);
    pointer-events: none;
    z-index: 1;
}

/* 客户标签 */
.case-card__client {
    position: absolute;
    top: 16px;
    left: 20px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(22, 93, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-card__client svg {
    flex-shrink: 0;
}

/* 标题区（在图片底部） */
.case-card__title {
    position: absolute;
    bottom: 48px;
    left: 24px;
    right: 24px;
    z-index: 2;
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.case-card__summary {
    position: absolute;
    bottom: 16px;
    left: 24px;
    right: 24px;
    z-index: 2;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 核心数字条 */
.case-card__metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 20px 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(180deg, rgba(22, 93, 255, 0.04) 0%, transparent 100%);
}

.metric-item {
    text-align: center;
    padding: 10px 4px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.metric-item:hover {
    background: rgba(22, 93, 255, 0.06);
    border-color: rgba(22, 93, 255, 0.15);
}

.metric-number {
    font-family: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
    font-size: clamp(22px, 2vw, 30px);
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: -0.03em;
    line-height: 1.2;
    transition: filter 0.3s ease;
}

.metric-item:hover .metric-number {
    filter: brightness(1.3);
}

.metric-suffix {
    font-size: 0.65em;
    font-weight: 600;
    color: var(--primary-light);
    opacity: 0.8;
}

.metric-label {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
    font-weight: 500;
    letter-spacing: 0.05em;
}

/* 卡片内容区 */
.case-card__body {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 24px;
}

.case-block {
    padding: 16px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: background 0.3s ease, border-color 0.3s ease;
}

.case-block:hover {
    background: rgba(255, 255, 255, 0.035);
    border-color: rgba(22, 93, 255, 0.12);
}

.case-block__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-light);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.case-block__title svg {
    flex-shrink: 0;
    color: var(--primary-light);
}

.case-block__intro {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
}

.case-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-list li {
    position: relative;
    font-size: 12.5px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    padding-left: 12px;
    margin-bottom: 8px;
    border-left: 2px solid transparent;
    transition: border-color 0.3s ease, background 0.3s ease;
    padding: 6px 8px 6px 12px;
    border-radius: 0 6px 6px 0;
}

.case-list li:last-child {
    margin-bottom: 0;
}

.case-list li:hover {
    border-left-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.02);
}

.case-list li strong {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

/* ========================================
   行业解决方案
   ======================================== */
.solutions-industry {
    background:
        radial-gradient(ellipse 65% 55% at 25% 25%, rgba(6, 182, 212, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 50% 50% at 75% 75%, rgba(16, 185, 129, 0.14) 0%, transparent 50%),
        linear-gradient(
            180deg,
            #061a2a 0%,
            #0a2a3a 30%,
            #0d3040 50%,
            #0a2828 70%,
            #061a1a 100%
        );
    position: relative;
    overflow: hidden;
}

.solutions-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.sol-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 93, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 255, 0.04) 1px, transparent 1px);
    background-size: 64px 64px;
}

.sol-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.sol-glow-1 {
    top: 10%;
    left: 5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.18) 0%, transparent 70%);
    animation: solFloat1 18s ease-in-out infinite;
}

.sol-glow-2 {
    bottom: 15%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    animation: solFloat2 22s ease-in-out infinite;
}

@keyframes solFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(40px, -20px) scale(1.1); }
}

@keyframes solFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 30px) scale(1.08); }
}

.sol-orb {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(22, 93, 255, 0.1);
    opacity: 0.3;
}

.sol-orb-1 {
    top: 20%;
    right: 15%;
    width: 200px;
    height: 200px;
    animation: orbSpin 30s linear infinite;
}

.sol-orb-2 {
    bottom: 30%;
    left: 8%;
    width: 150px;
    height: 150px;
    animation: orbSpin 25s linear infinite reverse;
}

@keyframes orbSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.solutions-industry__intro {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: center;
    margin-bottom: 34px;
    padding: 24px 26px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(12, 15, 28, 0.6));
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.solutions-industry__intro-text {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-light);
}

.solutions-industry__kpis {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.solutions-industry__kpis li {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.solutions-industry__kpis strong {
    min-width: 56px;
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
}

.solutions-industry__kpis span {
    font-size: calc(13px * 1.1);
    color: var(--text-light);
}

/* KPI 数字入场动效：仅在 .fade-in.visible 后触发，保持弱动态不影响阅读 */
@keyframes kpiNumberRise {
    0% {
        opacity: 0;
        transform: translateY(10px) scale(0.96);
        text-shadow: 0 0 0 rgba(64, 128, 255, 0);
    }
    60% {
        opacity: 1;
        transform: translateY(-2px) scale(1.04);
        text-shadow: 0 0 16px rgba(64, 128, 255, 0.45);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        text-shadow: 0 0 6px rgba(64, 128, 255, 0.2);
    }
}

@keyframes kpiPulseGlow {
    0%,
    100% {
        text-shadow: 0 0 6px rgba(64, 128, 255, 0.18);
    }
    50% {
        text-shadow: 0 0 16px rgba(64, 128, 255, 0.38);
    }
}

.kpi-counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
    will-change: transform, opacity, text-shadow;
}

.kpi-counter.is-ticking {
    transform: translateY(-5px);
    opacity: 0.92;
}

.solutions-industry__intro.fade-in .kpi-counter {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
}

.solutions-industry__intro.fade-in.visible .kpi-counter {
    animation: kpiNumberRise 700ms cubic-bezier(0.22, 0.61, 0.36, 1) forwards, kpiPulseGlow 2.8s ease-in-out 900ms infinite;
}

.solutions-industry__intro.fade-in.visible .solutions-industry__kpis li:nth-child(2) .kpi-counter {
    animation-delay: 120ms, 1020ms;
}

.solutions-industry__intro.fade-in.visible .solutions-industry__kpis li:nth-child(3) .kpi-counter {
    animation-delay: 240ms, 1140ms;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}

.industry-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 0;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.industry-media {
    height: 190px;
    position: relative;
    overflow: hidden;
}

.industry-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.industry-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 17, 34, 0.04) 0%, rgba(15, 17, 34, 0.75) 100%);
}

.industry-card:hover {
    transform: translateY(-8px);
    background: rgba(22, 93, 255, 0.06);
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: 0 20px 50px rgba(22, 93, 255, 0.18);
}

.industry-card:hover .industry-media img {
    transform: scale(1.08);
}

.industry-body {
    padding: 18px 20px 22px;
}

.industry-icon {
    width: 52px;
    height: 52px;
    margin-bottom: 14px;
    background: rgba(22, 93, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.industry-card:hover .industry-icon {
    background: rgba(22, 93, 255, 0.22);
    transform: translateY(-2px);
}

.industry-name {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin: 0 0 10px;
}

.industry-desc {
    margin: 0 0 12px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.65;
}

.industry-points {
    list-style: none;
    margin: 0 0 14px;
    padding: 0;
    display: grid;
    gap: 8px;
}

.industry-points li {
    position: relative;
    padding-left: 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.55;
}

.industry-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(64, 128, 255, 0.9);
    box-shadow: 0 0 10px rgba(64, 128, 255, 0.6);
}

.industry-metric {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-light);
    border: 1px solid rgba(64, 128, 255, 0.3);
    background: rgba(64, 128, 255, 0.08);
}

.industry-actions {
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

@media (max-width: 992px) {
    .solutions-industry__intro {
        grid-template-columns: 1fr;
    }

    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .industry-grid {
        grid-template-columns: 1fr;
    }

    .industry-media {
        height: 180px;
    }

    .industry-actions {
        flex-direction: column;
    }

    .industry-actions .btn {
        width: 100%;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .solutions-industry__intro.fade-in .kpi-counter,
    .solutions-industry__intro.fade-in.visible .kpi-counter {
        opacity: 1;
        transform: none;
        animation: none;
        text-shadow: none;
    }

    .industry-card:hover {
        transform: none;
    }

    .industry-card:hover .industry-media img {
        transform: none;
    }
}

/* ========================================
   精选案例
   ======================================== */
.cases-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(118, 75, 162, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 55% 45% at 80% 70%, rgba(244, 63, 94, 0.12) 0%, transparent 50%),
        linear-gradient(
            180deg,
            #0a1e3a 0%,
            #0d2847 25%,
            #1a3a5e 50%,
            #0d2847 75%,
            #0a1e38 100%
        );
}

.cases-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.case-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.case-glow-1 {
    top: 20%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.15) 0%, transparent 70%);
    animation: caseFloat1 20s ease-in-out infinite;
}

.case-glow-2 {
    bottom: 10%;
    right: -8%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.12) 0%, transparent 70%);
    animation: caseFloat2 25s ease-in-out infinite;
}

@keyframes caseFloat1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

@keyframes caseFloat2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-40px, 20px); }
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
    border-color: rgba(22, 93, 255, 0.2);
}

.case-image {
    height: 242px;
    background: linear-gradient(135deg, var(--dark-card), var(--dark-secondary));
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Trae text_to_image 占位图：隐藏后露出 .case-image 渐变底 */
.case-image img.is-trae-placeholder-suppressed {
    display: none !important;
}

.case-card:hover .case-image img {
    transform: scale(1.08);
}

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.15), transparent);
    opacity: 0;
    transition: var(--transition-normal);
}

.case-overlay-video {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.1), rgba(15, 23, 42, 0.35));
}

.case-overlay-video__media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.92;
}

.case-overlay-slideshow {
    /* 与卡片主图色相接近的轻罩层，切换间隙不会显死黑 */
    background: linear-gradient(
        135deg,
        rgba(22, 93, 255, 0.06) 0%,
        rgba(13, 40, 71, 0.12) 50%,
        rgba(10, 18, 34, 0.1) 100%
    );
    opacity: 1;
    pointer-events: none;
}

.case-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1);
    /* 轮播仅淡入淡出（GSAP），勿与 CSS 缩放动画叠加 */
    transition: none;
    backface-visibility: hidden;
    transform-origin: center center;
}

.case-slide.is-active {
    opacity: 0.98;
    transform: scale(1.01);
    animation: case-slide-zoom var(--slide-zoom-duration, 1600ms) cubic-bezier(0.22, 1, 0.36, 1) both;
}

.case-slide.is-single {
    opacity: 0.98;
    transform: scale(1.02);
    animation: case-slide-single-zoom 8.8s ease-in-out infinite alternate;
}

@keyframes case-slide-zoom {
    0% {
        transform: scale(1.14);
    }
    100% {
        transform: scale(1.01);
    }
}

@keyframes case-slide-single-zoom {
    0% {
        transform: scale(1.02);
    }
    100% {
        transform: scale(1.12);
    }
}

.case-card:hover .case-overlay {
    opacity: 1;
}

.case-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 8px 16px;
    background: rgba(22, 93, 255, 0.9);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    backdrop-filter: blur(10px);
    z-index: 2;
}

.case-content {
    padding: 32px;
}

.case-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--white);
}

.case-industry {
    font-size: 13px;
    color: var(--primary-light);
    margin-bottom: 16px;
    font-weight: 500;
}

.case-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-link {
    color: var(--primary-light);
    font-size: 14px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.case-link:hover {
    gap: 12px;
    color: var(--white);
}

@media (max-width: 992px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   核心技术
   ======================================== */
.tech-section {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(22, 93, 255, 0.18) 0%, transparent 55%),
        radial-gradient(ellipse 50% 45% at 70% 80%, rgba(6, 182, 212, 0.14) 0%, transparent 50%),
        linear-gradient(
            180deg,
            #0a1e38 0%,
            #1a3a5c 30%,
            #0d2847 70%,
            #0a1e38 100%
        );
}

.tech-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.tech-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.tech-glow-1 {
    top: 5%;
    left: 20%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.12) 0%, transparent 70%);
    animation: techFloat1 22s ease-in-out infinite;
}

.tech-glow-2 {
    bottom: 10%;
    right: 15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    animation: techFloat2 28s ease-in-out infinite;
}

@keyframes techFloat1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, 40px); }
}

@keyframes techFloat2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(40px, -30px); }
}

.tech-particles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 25%, rgba(22, 93, 255, 0.06) 1px, transparent 1px),
        radial-gradient(circle at 85% 75%, rgba(96, 165, 250, 0.05) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(22, 93, 255, 0.04) 1px, transparent 1px),
        radial-gradient(circle at 30% 80%, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 120px 120px, 180px 180px, 200px 200px, 150px 150px;
}

/* 六大技术：桌面端 3×2 两行；卡片加宽留白，悬停位移 + 缩放 + 光晕 + 图标动效 */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(20px, 2.5vw, 32px);
    align-items: stretch;
    max-width: 1180px;
    margin: 0 auto;
}

.tech-card {
    --tech-hover-duration: 280ms;
    --tech-hover-ease: cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(
        165deg,
        rgba(255, 255, 255, 0.07) 0%,
        rgba(255, 255, 255, 0.03) 45%,
        rgba(15, 17, 34, 0.4) 100%
    );
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: calc(var(--radius-xl) + 4px);
    padding: 40px 28px 36px;
    text-align: center;
    transition:
        transform var(--tech-hover-duration) var(--tech-hover-ease),
        border-color var(--tech-hover-duration) var(--tech-hover-ease),
        box-shadow var(--tech-hover-duration) var(--tech-hover-ease),
        background var(--tech-hover-duration) var(--tech-hover-ease);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: clamp(240px, 26vw, 280px);
    box-sizing: border-box;
    isolation: isolate;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.85);
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(22, 93, 255, 0.18) 0%, transparent 68%);
    opacity: 0;
    transition: opacity var(--tech-hover-duration) var(--tech-hover-ease), transform var(--tech-hover-duration) var(--tech-hover-ease);
    pointer-events: none;
    z-index: 0;
}

/* 渐变描边（与产品卡同源思路）：仅悬停显现，不增加布局抖动 */
.tech-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(64, 128, 255, 0.55),
        transparent 42%,
        transparent 58%,
        rgba(22, 93, 255, 0.35)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--tech-hover-duration) var(--tech-hover-ease);
    pointer-events: none;
    z-index: 1;
}

.tech-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: rgba(64, 128, 255, 0.45);
    /* 内顶边高光线 + 外发光，避免与默认 background 争抢简写属性 */
    box-shadow:
        inset 0 1px 0 0 rgba(186, 230, 253, 0.75),
        0 24px 56px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(22, 93, 255, 0.2),
        0 0 48px rgba(22, 93, 255, 0.22);
    background: linear-gradient(
        165deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(22, 93, 255, 0.1) 50%,
        rgba(15, 17, 34, 0.55) 100%
    );
}

.tech-card:hover::before {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.tech-card:hover::after {
    opacity: 1;
}

.tech-card:hover .tech-icon {
    transform: scale(1.08) translateY(-2px);
    box-shadow: var(--glow-primary), 0 12px 32px rgba(22, 93, 255, 0.35);
}

.tech-card:hover .tech-title {
    color: #fff;
    text-shadow: 0 0 24px rgba(96, 165, 250, 0.35);
}

.tech-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
    flex-shrink: 0;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: var(--glow-primary);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.25);
    z-index: 2;
    color: var(--white);
    transition:
        transform var(--tech-hover-duration) var(--tech-hover-ease),
        box-shadow var(--tech-hover-duration) var(--tech-hover-ease);
}

.tech-icon::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.25;
    filter: blur(18px);
    z-index: -1;
    transition: opacity var(--tech-hover-duration) var(--tech-hover-ease), transform var(--tech-hover-duration) var(--tech-hover-ease);
}

.tech-card:hover .tech-icon::after {
    opacity: 0.45;
    transform: scale(1.05);
}

.tech-title {
    font-size: clamp(17px, 1.35vw, 21px);
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--white);
    padding: 0 12px;
    line-height: 1.35;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    letter-spacing: -0.02em;
    transition: color var(--tech-hover-duration) var(--tech-hover-ease), text-shadow var(--tech-hover-duration) var(--tech-hover-ease);
}

.tech-desc {
    font-size: clamp(14px, 1.1vw, 15px);
    color: rgba(156, 163, 175, 0.95);
    line-height: 1.75;
    padding: 0 16px;
    flex: 1 1 auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 36ch;
    margin: 0 auto;
}

@media (min-width: 1440px) {
    .tech-grid {
        max-width: 1240px;
        gap: 36px;
    }

    .tech-card {
        padding: 44px 32px 40px;
    }
}

@media (max-width: 992px) {
    .tech-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: none;
    }

    .tech-card {
        min-height: 0;
    }
}

@media (max-width: 576px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tech-card,
    .tech-card::before,
    .tech-card::after,
    .tech-icon,
    .tech-icon::after,
    .tech-title {
        transition-duration: 0.01ms !important;
    }

    .tech-card:hover {
        transform: none;
    }

    .tech-card:hover .tech-icon {
        transform: none;
    }

    .tech-card:hover .tech-title {
        text-shadow: none;
    }
}

/* ========================================
   合作伙伴
   ======================================== */
.partners {
    background:
        radial-gradient(ellipse 70% 50% at 50% 50%, rgba(22, 93, 255, 0.12) 0%, transparent 60%),
        linear-gradient(
            180deg,
            #0a1e38 0%,
            #0d2847 100%
        );
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.partners-title {
    text-align: center;
    color: rgba(255, 255, 255, 0.55);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 48px;
}

.partners-slider-wrapper {
    overflow: hidden;
    position: relative;
}

.partners-slider-wrapper::before,
.partners-slider-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 10;
    pointer-events: none;
}

.partners-slider-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--dark-bg), transparent);
}

.partners-slider-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--dark-bg), transparent);
}

.partners-slider {
    display: flex;
    gap: 80px;
    animation: partnerScroll 40s linear infinite;
}

.partners-slider:hover {
    animation-play-state: paused;
}

.partner-logo {
    flex-shrink: 0;
    width: 160px;
    height: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.partner-logo:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(22, 93, 255, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

@keyframes partnerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ========================================
   咨询转化区域
   ======================================== */
.cta-section {
    background:
        radial-gradient(ellipse 70% 55% at 30% 30%, rgba(102, 126, 234, 0.2) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 70% 70%, rgba(118, 75, 162, 0.16) 0%, transparent 50%),
        linear-gradient(
            135deg,
            #0d2847 0%,
            #1a4a6e 40%,
            #0d2847 70%,
            #0a1e38 100%
        );
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-content {
    text-align: center;
    color: var(--white);
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.cta-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.cta-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.cta-buttons .btn-secondary:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* 解决方案页 CTA：降低饱和度与亮度，避免大面积刺眼蓝 */
.cta-section--solutions {
    background:
        linear-gradient(145deg, rgba(16, 24, 44, 0.95) 0%, rgba(20, 32, 60, 0.92) 55%, rgba(14, 22, 42, 0.96) 100%);
}

.cta-section--solutions::before {
    opacity: 0.24;
}

.cta-section--solutions .cta-title {
    color: rgba(255, 255, 255, 0.96);
}

.cta-section--solutions .cta-desc {
    color: rgba(229, 236, 255, 0.8);
}

.cta-section--solutions .btn-primary {
    background: linear-gradient(135deg, #1f4fd3 0%, #2e5bdf 100%);
}

@media (max-width: 768px) {
    .cta-title {
        font-size: 32px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   Splash Cursor 流体拖尾（限定在父容器内，如 .hero）
   ======================================== */
.splash-cursor {
    position: absolute;
    inset: 0;
    z-index: 7;
    pointer-events: none;
    width: 100%;
    height: 100%;
}

.splash-cursor__canvas,
#splash-cursor-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* 首页、联系页面、AI产品、AI解决方案隐藏智能客服浮标 */
.page-home .floating-service,
.page-contact .floating-service,
.page-products .floating-service,
.page-solutions .floating-service {
    display: none !important;
}

/* ========================================
   智能客服浮标
   ======================================== */
.floating-service {
    position: fixed;
    bottom: 80px;
    right: 40px;
    z-index: 999;
    width: 60px;
    height: 60px;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    /* 整块可点：脉冲在视觉上在外圈，但不抢点击（仍落在 button 内） */
    -webkit-tap-highlight-color: transparent;
}

.floating-service:focus-visible {
    outline: 3px solid rgba(96, 165, 250, 0.95);
    outline-offset: 4px;
}

.service-icon {
    position: relative;
    z-index: 2;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(22, 93, 255, 0.4);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-service:hover .service-icon {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(22, 93, 255, 0.55);
}

.floating-service:active .service-icon {
    transform: scale(0.98);
}

.service-pulse {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.6;
    pointer-events: none;
    animation: servicePulse 1.5s ease-out infinite;
}

@keyframes servicePulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(2.2);
        opacity: 0;
    }
}

/* ========================================
   智能客服弹框（配色对齐全站 token：深底 + 科技蓝高光）
   ======================================== */
.service-chat-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.service-chat-modal {
    --service-chat-surface: rgba(22, 26, 42, 0.92);
    --service-chat-border: rgba(64, 128, 255, 0.28);
    --service-chat-glow: rgba(22, 93, 255, 0.35);
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: none;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 24px 24px max(24px, env(safe-area-inset-bottom));
    box-sizing: border-box;
    font-family: inherit;
}

.service-chat-modal:not([hidden]) {
    display: flex;
}

.service-chat-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 8, 18, 0.62);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
}

.service-chat-modal__panel {
    position: relative;
    width: min(100%, 420px);
    max-height: min(640px, calc(100dvh - 48px));
    display: flex;
    flex-direction: column;
    border-radius: calc(var(--radius-xl) + 6px);
    overflow: hidden;
    border: 1px solid var(--service-chat-border);
    background: linear-gradient(
        165deg,
        rgba(36, 42, 72, 0.95) 0%,
        var(--service-chat-surface) 45%,
        rgba(15, 17, 34, 0.98) 100%
    );
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.06) inset,
        0 28px 80px rgba(0, 0, 0, 0.55),
        0 0 60px var(--service-chat-glow);
    transform: translateY(12px) scale(0.98);
    opacity: 0;
    animation: serviceChatIn 260ms cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes serviceChatIn {
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.service-chat-modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(
        180deg,
        rgba(22, 93, 255, 0.18) 0%,
        transparent 100%
    );
}

.service-chat-modal__brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.service-chat-modal__avatar {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: var(--gradient-primary);
    box-shadow: 0 4px 20px rgba(22, 93, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-chat-modal__titles {
    min-width: 0;
}

.service-chat-modal__title {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    margin: 0 0 4px;
}

.service-chat-modal__subtitle {
    margin: 0;
    font-size: 12px;
    color: rgba(186, 198, 230, 0.85);
    font-weight: 500;
}

.service-chat-modal__actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.service-chat-modal__link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-light);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.service-chat-modal__link:hover {
    color: var(--white);
    background: rgba(22, 93, 255, 0.2);
}

.service-chat-modal__close {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.service-chat-modal__close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.22);
    color: var(--white);
}

.service-chat-modal__close:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.45);
}

.service-chat-modal__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.service-chat-modal__log {
    flex: 1 1 auto;
    overflow-y: auto;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    scroll-behavior: smooth;
}

.service-chat-bubble {
    max-width: 92%;
    padding: 12px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.65;
    color: rgba(243, 244, 246, 0.95);
    border: 1px solid transparent;
}

.service-chat-bubble p {
    margin: 0;
}

.service-chat-bubble--assistant {
    align-self: flex-start;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.08);
    border-bottom-left-radius: 6px;
}

.service-chat-bubble--user {
    align-self: flex-end;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.55) 0%, rgba(59, 130, 246, 0.45) 100%);
    border-color: rgba(147, 197, 253, 0.35);
    border-bottom-right-radius: 6px;
    color: var(--white);
}

.service-chat-bubble--system {
    align-self: center;
    max-width: 100%;
    text-align: center;
    font-size: 12px;
    color: rgba(156, 163, 175, 0.95);
    background: transparent;
    border: none;
    padding: 4px 8px;
}

.service-chat-bubble a {
    color: var(--primary-light);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.service-chat-bubble a:hover {
    color: var(--white);
}

.service-chat-modal__composer {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 14px 16px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    background: linear-gradient(0deg, rgba(10, 12, 24, 0.95) 0%, rgba(15, 17, 34, 0.55) 100%);
}

.service-chat-modal__input {
    flex: 1;
    min-height: 48px;
    max-height: 120px;
    resize: none;
    padding: 14px 16px;
    font-size: 15px;
    line-height: 1.5;
    font-family: inherit;
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.service-chat-modal__input::placeholder {
    color: rgba(156, 163, 175, 0.85);
}

.service-chat-modal__input:hover {
    border-color: rgba(64, 128, 255, 0.35);
}

.service-chat-modal__input:focus {
    outline: none;
    border-color: rgba(64, 128, 255, 0.65);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.25);
}

.service-chat-modal__send {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: var(--gradient-primary);
    box-shadow: 0 4px 16px rgba(22, 93, 255, 0.45);
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.service-chat-modal__send:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(22, 93, 255, 0.55);
}

.service-chat-modal__send:active {
    transform: translateY(0);
}

.service-chat-modal__send:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.45), 0 8px 24px rgba(22, 93, 255, 0.55);
}

@media (max-width: 576px) {
    .service-chat-modal {
        padding: 12px 12px max(12px, env(safe-area-inset-bottom));
        align-items: stretch;
        justify-content: stretch;
    }

    .service-chat-modal__panel {
        width: 100%;
        max-height: min(88dvh, calc(100dvh - 24px));
        border-radius: var(--radius-xl);
    }

    .service-chat-modal__link {
        font-size: 12px;
        padding: 6px 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .service-chat-modal__panel {
        animation: none;
        transform: none;
        opacity: 1;
    }

    .service-chat-modal__send:hover {
        transform: none;
    }
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background:
        radial-gradient(ellipse 70% 50% at 50% 0%, rgba(22, 93, 255, 0.1) 0%, transparent 55%),
        linear-gradient(
            180deg,
            #0a1e38 0%,
            #0d2847 100%
        );
    color: var(--white);
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.footer-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--white);
}

.footer-links a {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    padding: 8px 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 6px;
}

.footer-contact p {
    font-size: 14px;
    color: var(--text-light);
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   子页大品牌内容轨（不含首页 / 关于页）
   背景：低对比漂移光晕 + 细网格；内容区：磨砂轨 + 左侧色带
   ======================================== */

@keyframes pageBrandedBgDrift {
    0% {
        background-position: 0% 20%, 100% 80%, 0 0, 0 0;
    }
    100% {
        background-position: 100% 40%, 0% 60%, 0 0, 0 0;
    }
}

@keyframes pageBrandedRailGlow {
    0%,
    100% {
        opacity: 0.65;
        filter: brightness(1);
    }
    50% {
        opacity: 0.95;
        filter: brightness(1.15);
    }
}

body.page-branded {
    background-color: var(--dark-bg);
    /* 多层背景：极光漂移 + 静态细网格（网格不动，仅光斑漂移，利于阅读） */
    background-image:
        radial-gradient(ellipse 90% 70% at 15% 20%, rgba(22, 93, 255, 0.14) 0%, transparent 52%),
        radial-gradient(ellipse 70% 55% at 88% 72%, rgba(59, 130, 246, 0.1) 0%, transparent 48%),
        repeating-linear-gradient(
            0deg,
            transparent 0,
            transparent 78px,
            rgba(255, 255, 255, 0.018) 78px,
            rgba(255, 255, 255, 0.018) 79px
        ),
        repeating-linear-gradient(
            90deg,
            transparent 0,
            transparent 78px,
            rgba(255, 255, 255, 0.018) 78px,
            rgba(255, 255, 255, 0.018) 79px
        );
    background-size: 200% 200%, 200% 200%, 100% 100%, 100% 100%;
    background-repeat: no-repeat, no-repeat, repeat, repeat;
    animation: pageBrandedBgDrift 28s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
    body.page-branded {
        animation: none;
        background-position: 50% 30%, 60% 70%, 0 0, 0 0;
    }
}

@media (max-width: 768px) {
    body.page-branded {
        background-attachment: scroll;
    }
}

/* 顶栏保持通透，不套「内容轨」外壳，避免双边框与布局抖动 */
body.page-branded .header .container {
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

/* 子页导语区：替代原 page-header，承接导航与列表内容 */
.page-lead {
    position: relative;
    padding: 136px 0 32px;
}

.page-lead .container {
    position: relative;
    z-index: 1;
}

.page-lead__panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    gap: 24px;
    padding: 28px;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.06), rgba(10, 12, 24, 0.55));
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.page-lead__eyebrow {
    display: inline-block;
    margin-bottom: 10px;
    font-size: 12px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--primary-light);
}

.page-lead__title {
    margin: 0 0 12px;
    font-size: clamp(28px, 3.4vw, 42px);
    line-height: 1.18;
    color: var(--white);
}

.page-lead__desc {
    margin: 0;
    max-width: 60ch;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

.page-lead__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.page-lead__meta {
    display: grid;
    gap: 10px;
}

.page-lead__meta-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 110%;
    padding: 12px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-lead__meta-item svg {
    color: var(--primary-light);
    flex-shrink: 0;
    width: 19px;
    height: 19px;
    margin-top: 2px;
}

.page-lead__meta-title {
    display: block;
    color: var(--white);
    font-size: 15.8px;
    font-weight: 600;
}

.page-lead__meta-desc {
    display: block;
    margin-top: 2px;
    color: var(--text-light);
    font-size: 14.3px;
    line-height: 1.5;
}

/* 主内容：大品牌「内容轨」— 左右科技色带 + 磨砂底，文字区对比充足 */
body.page-branded .section > .container,
body.page-branded .cta-section > .container {
    position: relative;
    border-radius: var(--radius-xl);
    padding: clamp(28px, 3.2vw, 48px) clamp(22px, 3.6vw, 52px);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.045) 0%, rgba(10, 12, 24, 0.52) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 32px 90px rgba(0, 0, 0, 0.32);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* 左右对称「书脊」渐变条：仅装饰，不占布局 */
body.page-branded .section > .container::before,
body.page-branded .cta-section > .container::before {
    content: '';
    position: absolute;
    left: 0;
    top: clamp(24px, 4vw, 40px);
    bottom: clamp(24px, 4vw, 40px);
    width: 3px;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(
        180deg,
        rgba(64, 128, 255, 0.95) 0%,
        rgba(22, 93, 255, 0.45) 45%,
        rgba(22, 93, 255, 0) 100%
    );
    pointer-events: none;
    animation: pageBrandedRailGlow 8s ease-in-out infinite;
}

body.page-branded .section > .container::after,
body.page-branded .cta-section > .container::after {
    content: '';
    position: absolute;
    right: 0;
    top: clamp(24px, 4vw, 40px);
    bottom: clamp(24px, 4vw, 40px);
    width: 3px;
    border-radius: 4px 0 0 4px;
    background: linear-gradient(
        180deg,
        rgba(64, 128, 255, 0.95) 0%,
        rgba(22, 93, 255, 0.45) 45%,
        rgba(22, 93, 255, 0) 100%
    );
    pointer-events: none;
    animation: pageBrandedRailGlow 8s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce) {
    body.page-branded .section > .container::before,
    body.page-branded .cta-section > .container::before,
    body.page-branded .section > .container::after,
    body.page-branded .cta-section > .container::after {
        animation: none;
        opacity: 0.75;
    }
}

/* 底栏：与内容轨呼应的顶部分割 + 轻微内光，不做大块磨砂以免抢主体 */
body.page-branded .footer > .container {
    position: relative;
    padding-top: 8px;
}

body.page-branded .footer > .container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: min(100%, 720px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(64, 128, 255, 0.35), transparent);
    pointer-events: none;
}

@media (max-width: 768px) {
    .page-lead {
        padding: 112px 0 20px;
    }

    .page-lead__panel {
        grid-template-columns: 1fr;
        padding: 22px 18px;
    }

    .page-lead__actions {
        flex-direction: column;
    }

    .page-lead__actions .btn {
        width: 100%;
        text-align: center;
    }

    body.page-branded .section > .container,
    body.page-branded .cta-section > .container {
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
}

/* Tab 内容区：子页与 solutions 共用，避免内联样式 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* 解决方案：顶部配图 + 内层留白（.solution-detail 本体样式见下文合并块） */
.solution-detail__media {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.solution-detail__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.solution-detail__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 35%, rgba(15, 17, 34, 0.75) 100%);
    pointer-events: none;
}

.solution-detail__inner {
    padding: 32px 48px 44px;
}

/* 案例页：落地成果区（替代内联样式） */
.case-metrics {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.case-metrics__label {
    font-size: 14px;
    color: var(--primary-light);
    font-weight: 600;
}

.case-metrics__value {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 6px;
    line-height: 1.6;
}

/* 联系页：侧栏配图 + 快捷入口 */
.contact-info__visual {
    position: relative;
    height: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 28px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-info__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.contact-info__visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.25), transparent 55%);
    pointer-events: none;
}

.contact-chips {
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-chips__title {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 16px;
}

/* 快速通道：iOS 扁平列表式操作行（图标 + 文案，无渐变按钮） */
.contact-chips__row {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-chip {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    min-height: 48px;
    border-radius: 12px;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    font-size: 16px;
    font-weight: 500;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.contact-chip:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
}

.contact-chip:focus-visible {
    outline: 2px solid rgba(22, 93, 255, 0.85);
    outline-offset: 2px;
}

.contact-chip:active {
    transform: scale(0.99);
}

@media (prefers-reduced-motion: reduce) {
    .contact-chip,
    .contact-chip:active {
        transition: none;
        transform: none;
    }
}

.contact-chip--primary {
    background: rgba(22, 93, 255, 0.2);
    border-color: rgba(22, 93, 255, 0.4);
}

.contact-chip--primary:hover {
    background: rgba(22, 93, 255, 0.28);
    border-color: rgba(22, 93, 255, 0.5);
}

.contact-chip__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-chip--primary .contact-chip__icon {
    background: rgba(255, 255, 255, 0.12);
}

.contact-chip__icon svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-chip--primary .contact-chip__icon svg {
    color: #fff;
}

.contact-chip__label {
    line-height: 1.35;
}

.process-icon {
    font-size: 0;
}

.process-icon svg {
    color: var(--white);
}

@media (max-width: 768px) {
    .solution-detail__inner {
        padding: 24px 24px 32px;
    }
}

/* Tab导航 */
.tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: rgba(244, 248, 255, 0.94);
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.28);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 筛选标签 */
.filter-tags {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-tag {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-tag:hover,
.filter-tag.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--white);
}

/* 解决方案详情 */
.solution-detail {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 0;
    margin-bottom: 32px;
    transition: var(--transition-normal);
    overflow: hidden;
}

.solution-detail:hover {
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.solution-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.solution-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    box-shadow: var(--glow-primary);
    flex-shrink: 0;
}

.solution-icon svg {
    color: var(--white);
}

.solution-title {
    font-size: 26px;
    font-weight: 600;
    color: var(--white);
}

.solution-subtitle {
    font-size: 14px;
    color: var(--text-light);
    margin-top: 4px;
}

.solution-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.solution-item h4 {
    font-size: calc(14px * 1.1);
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.solution-item p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

@media (max-width: 768px) {
    .solution-content {
        grid-template-columns: 1fr;
    }
}

/* 流程步骤 */
.process-steps {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 80px;
    flex-wrap: wrap;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    right: -28px;
    top: 30px;
    width: 16px;
    height: 2px;
    background: var(--gradient-primary);
}

.process-step:last-child::after {
    display: none;
}

.process-icon {
    width: 72px;
    height: 72px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin: 0 auto 16px;
    box-shadow: var(--glow-primary);
    position: relative;
}

.process-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.2;
    filter: blur(10px);
}

.process-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
}

/* 关于页面 */
.page-about .section {
    min-height: auto;
}

.about-section {
    padding: 100px 0;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    width: 95%;
    height: 456px;
    background: linear-gradient(135deg, var(--dark-card), var(--dark-secondary));
    border-radius: calc(var(--radius-xl) * 0.425);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    margin: 0 auto;
}

.about-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.1), transparent);
}

.about-content h2 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--white);
    letter-spacing: -0.5px;
}

.about-content {
    width: 105%;
}

.about-content p {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

/* ---------- 关于页：研究院深度模块（PPT 式大卡 + SVG 动效） ---------- */
@keyframes about-dash-shift {
    to {
        stroke-dashoffset: -200;
    }
}

@keyframes about-float-soft {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes about-pulse-opacity {
    0%,
    100% {
        opacity: 0.55;
    }
    50% {
        opacity: 1;
    }
}

@keyframes about-slide-up-in {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-institute {
    position: relative;
    padding: 0 0 110px;
}

.about-institute-hero {
    position: relative;
    text-align: center;
    padding: 0;
    margin-bottom: 48px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 85% 65% at 50% 110%, rgba(22, 93, 255, 0.22), transparent 58%),
        linear-gradient(185deg, rgba(12, 26, 48, 0.65) 0%, rgba(5, 10, 22, 0.96) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.about-institute-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.about-institute-hero-svg {
    position: absolute;
    display: block;
}

.about-institute-hero-svg--orbit {
    left: 50%;
    bottom: -8%;
    width: min(1100px, 220%);
    height: auto;
    transform: translateX(-50%);
    opacity: 0.85;
}

.about-institute-hero-svg--bolt {
    right: 8%;
    top: 18%;
    opacity: 0.55;
}

.about-svg-dash {
    stroke-dashoffset: 0;
    animation: about-dash-shift 28s linear infinite;
}

.about-svg-dash--rev {
    animation-direction: reverse;
    animation-duration: 38s;
}

.about-svg-float {
    animation: about-float-soft 5s ease-in-out infinite;
}

.about-svg-stroke-glow {
    animation: about-pulse-opacity 3.5s ease-in-out infinite;
}

.about-institute-hero-inner {
    position: relative;
    z-index: 2;
    padding: 80px 20px 88px;
}

.about-institute-hero-icon {
    margin: 0 auto 20px;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(147, 197, 253, 0.95);
    background: radial-gradient(circle at 30% 25%, rgba(96, 165, 250, 0.35), rgba(22, 93, 255, 0.08));
    border: 1px solid rgba(147, 197, 253, 0.35);
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.15);
}

.about-svg-pulse-wrap .about-svg-ring {
    animation: about-pulse-opacity 2.8s ease-in-out infinite;
}

.about-institute-kicker {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: rgba(147, 197, 253, 0.75);
    margin: 0 0 16px;
}

.about-institute-title {
    font-size: clamp(38px, 5.5vw, 62px);
    font-weight: 800;
    color: var(--white);
    margin: 0 0 14px;
    letter-spacing: -0.035em;
    line-height: 1.08;
    text-shadow: 0 12px 48px rgba(0, 0, 0, 0.35);
}

.about-institute-tagline-en {
    font-size: clamp(15px, 1.8vw, 19px);
    font-weight: 500;
    font-style: italic;
    color: rgba(255, 255, 255, 0.52);
    margin: 0 0 12px;
    letter-spacing: 0.03em;
}

.about-institute-tagline-zh {
    font-size: clamp(17px, 2vw, 23px);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    letter-spacing: 0.14em;
}

.about-institute-inner {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.about-institute-slide {
    position: relative;
    padding: 48px 42px 52px;
    border-radius: var(--radius-xl);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.055) 0%, rgba(10, 14, 28, 0.42) 42%, rgba(6, 10, 20, 0.88) 100%);
    border: 1px solid rgba(255, 255, 255, 0.09);
    box-shadow:
        0 28px 80px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.about-institute-slide-accent {
    position: absolute;
    left: 0;
    top: 22%;
    bottom: 22%;
    width: 4px;
    border-radius: 0 4px 4px 0;
    background: linear-gradient(180deg, transparent, rgba(96, 165, 250, 0.85), rgba(22, 93, 255, 0.35), transparent);
    opacity: 0.9;
}

/* 与左侧对称：右侧渐变描边 */
.about-institute-slide-accent--right {
    left: auto;
    right: 0;
    border-radius: 4px 0 0 4px;
    background: linear-gradient(180deg, transparent, rgba(22, 93, 255, 0.35), rgba(96, 165, 250, 0.85), transparent);
}

.about-institute-slide-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 7px 14px;
    margin-bottom: 14px;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.92);
    background: linear-gradient(135deg, rgba(22, 93, 255, 0.55), rgba(59, 130, 246, 0.25));
    border: 1px solid rgba(147, 197, 253, 0.35);
    border-radius: 10px;
}

.about-institute-slide-sub {
    margin: 0 0 20px;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
}

.about-institute-animate {
    animation: about-slide-up-in 0.75s ease backwards;
}

.about-institute-inner .about-institute-slide:nth-child(1) {
    animation-delay: 0.05s;
}

.about-institute-inner .about-institute-slide:nth-child(2) {
    animation-delay: 0.1s;
}

.about-institute-inner .about-institute-slide:nth-child(3) {
    animation-delay: 0.15s;
}

.about-institute-inner .about-institute-slide:nth-child(4) {
    animation-delay: 0.2s;
}

.about-institute-inner .about-institute-slide:nth-child(5) {
    animation-delay: 0.25s;
}

.about-institute-block {
    scroll-margin-top: 96px;
}

.about-institute-block--last {
    margin-bottom: 0;
}

.about-institute-block-head {
    text-align: center;
    margin-bottom: 40px;
}

.about-institute-h3 {
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 700;
    color: var(--white);
    margin: 0 0 10px;
    letter-spacing: -0.02em;
}

.about-institute-h3-en {
    display: inline-block;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.06em;
    margin-left: 10px;
    vertical-align: middle;
}

/* 中文居中，英文置于中文下一行（团队实力 / 交付能力 等） */
.about-institute-h3--stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}

.about-institute-h3--stack .about-institute-h3-zh {
    display: block;
    letter-spacing: -0.02em;
}

.about-institute-h3--stack .about-institute-h3-en {
    display: block;
    margin-left: 0;
    vertical-align: unset;
}

.about-institute-rule {
    width: 112px;
    height: 4px;
    margin: 0 auto;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-light), rgba(147, 197, 253, 0.6), transparent);
    opacity: 0.9;
}

.about-institute-icon-wrap {
    width: 76px;
    height: 76px;
    margin: 0 auto 20px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(147, 197, 253, 0.92);
    background: linear-gradient(160deg, rgba(59, 130, 246, 0.22), rgba(15, 23, 42, 0.6));
    border: 1px solid rgba(147, 197, 253, 0.22);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.about-institute-icon {
    width: 44px;
    height: 44px;
}

.about-institute-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.about-institute-pillar {
    padding: 32px 22px 36px;
    border-radius: var(--radius-xl);
    background: linear-gradient(168deg, rgba(255, 255, 255, 0.05) 0%, rgba(10, 14, 28, 0.65) 100%);
    border: 1px solid rgba(255, 255, 255, 0.07);
    text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.about-institute-pillar:hover {
    transform: translateY(-6px);
    border-color: rgba(22, 93, 255, 0.38);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.38), 0 0 48px rgba(22, 93, 255, 0.14);
}

.about-institute-pillar:hover .about-institute-icon-wrap {
    transform: scale(1.06) rotate(-2deg);
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.2);
}

.about-institute-pillar-mark {
    font-size: 14px;
    font-weight: 700;
    color: rgba(96, 165, 250, 0.85);
    letter-spacing: 0.28em;
    margin-bottom: 10px;
}

.about-institute-h4 {
    font-size: 21px;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 10px;
}

.about-institute-pillar-en {
    font-size: 14px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.42);
    margin: 0 0 12px;
}

.about-institute-pillar-zh {
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-light);
    margin: 0;
}

/* 三大优势文案强调：人名与数字统一琥珀黄，字号大于正文 */
.about-institute-em-name,
.about-institute-em-num {
    font-weight: 800;
    color: #f59e0b;
    text-shadow:
        0 0 14px rgba(245, 158, 11, 0.55),
        0 0 28px rgba(217, 119, 6, 0.32);
}

.about-institute-em-name {
    font-size: 1.52em;
    line-height: 1.35;
    letter-spacing: 0.06em;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    padding: 0 2px;
    background: linear-gradient(transparent 56%, rgba(245, 158, 11, 0.4) 56%, rgba(245, 158, 11, 0.4) 86%, transparent 86%);
}

.about-institute-em-num {
    display: inline-block;
    font-variant-numeric: tabular-nums;
    font-size: 1.74em;
    line-height: 1.15;
    letter-spacing: 0.03em;
    vertical-align: -0.06em;
}

/* 核心管理层：整块幻灯片 + 人物卡强化层级，与其它板块区分 */
.about-institute-slide--leadership {
    padding: 56px 44px 58px;
    border-radius: var(--radius-xl);
    background:
        radial-gradient(ellipse 85% 55% at 50% 0%, rgba(59, 130, 246, 0.14), transparent 55%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.07) 0%, rgba(10, 14, 28, 0.46) 42%, rgba(6, 10, 20, 0.93) 100%);
    border: 1px solid rgba(147, 197, 253, 0.14);
    box-shadow:
        0 36px 96px rgba(0, 0, 0, 0.38),
        0 0 0 1px rgba(22, 93, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.about-institute-slide--leadership .about-institute-block-head {
    margin-bottom: 46px;
}

.about-institute-slide--leadership .about-institute-h3 {
    font-size: clamp(28px, 3.4vw, 42px);
    font-weight: 800;
    letter-spacing: -0.03em;
    text-shadow: 0 10px 48px rgba(0, 0, 0, 0.45);
}

.about-institute-slide--leadership .about-institute-slide-sub {
    font-size: 16px;
    letter-spacing: 0.24em;
    color: rgba(255, 255, 255, 0.48);
}

.about-institute-slide--leadership .about-institute-slide-badge {
    font-size: 16px;
    min-width: 52px;
    padding: 8px 16px;
}

.about-institute-slide--leadership .about-institute-rule {
    width: 132px;
    opacity: 1;
}

.about-institute-leaders {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-institute-slide--leadership .about-institute-leaders {
    gap: 30px;
}

.about-institute-leader {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 28px 24px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.07);
    transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
}

.about-institute-leader:hover {
    border-color: rgba(22, 93, 255, 0.28);
    background: rgba(22, 93, 255, 0.06);
}

.about-institute-slide--leadership .about-institute-leader {
    padding: 34px 28px 36px;
    gap: 26px;
    border-radius: calc(var(--radius-lg) + 6px);
    background: linear-gradient(
        158deg,
        rgba(255, 255, 255, 0.075) 0%,
        rgba(22, 93, 255, 0.07) 42%,
        rgba(8, 12, 22, 0.82) 100%
    );
    border: 1px solid rgba(147, 197, 253, 0.14);
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
}

.about-institute-slide--leadership .about-institute-leader:hover {
    border-color: rgba(96, 165, 250, 0.42);
    background: linear-gradient(
        158deg,
        rgba(255, 255, 255, 0.09) 0%,
        rgba(22, 93, 255, 0.12) 45%,
        rgba(8, 12, 22, 0.88) 100%
    );
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.34), 0 0 48px rgba(22, 93, 255, 0.14);
}

.about-institute-leader-visual {
    position: relative;
    flex-shrink: 0;
    width: 92px;
    height: 92px;
}

.about-institute-slide--leadership .about-institute-leader-visual {
    width: 84px;
    height: 84px;
}

.about-institute-leader-ring {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.about-institute-leader-initials {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--white);
}

.about-institute-leader-body {
    min-width: 0;
}

.about-institute-slide--leadership .about-institute-leader-initials {
    font-size: 24px;
    letter-spacing: 0.07em;
}

.about-institute-leader-role {
    display: inline-block;
    padding: 5px 12px;
    margin-bottom: 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--primary-light);
    background: rgba(22, 93, 255, 0.18);
    border-radius: 6px;
}

.about-institute-slide--leadership .about-institute-leader-role {
    font-size: 13px;
    padding: 6px 14px;
    border-radius: 8px;
}

.about-institute-leader-name {
    margin: 0 0 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
}

.about-institute-slide--leadership .about-institute-leader-name {
    font-size: 23px;
    margin-bottom: 14px;
}

.about-institute-leader-bio {
    margin: 0;
    font-size: 15px;
    line-height: 1.68;
    color: #aab9c8;
}

.about-institute-slide--leadership .about-institute-leader-bio {
    font-size: 16px;
    line-height: 1.72;
    color: #aab9c8;
}

.about-institute-bento.about-institute-centers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-institute-center-card {
    padding: 32px 20px 30px;
    border-radius: var(--radius-lg);
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.05), rgba(8, 12, 22, 0.55));
    border: 1px solid rgba(255, 255, 255, 0.07);
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.about-institute-center-card:hover {
    transform: translateY(-5px);
    border-color: rgba(22, 93, 255, 0.35);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.about-institute-center-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(147, 197, 253, 0.95);
}

.about-institute-center-icon svg {
    width: 48px;
    height: 48px;
}

.about-institute-center-name {
    font-size: 19px;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 6px;
}

.about-institute-center-en {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(147, 197, 253, 0.65);
    margin: 0 0 12px;
}

.about-institute-center-desc {
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-light);
    margin: 0;
}

.about-institute-metrics {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.about-institute-metric {
    padding: 26px 14px 28px;
    border-radius: var(--radius-lg);
    text-align: center;
    background: linear-gradient(185deg, rgba(255, 255, 255, 0.06) 0%, rgba(8, 12, 24, 0.72) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: transform 0.25s ease;
}

.about-institute-metric:hover {
    transform: translateY(-3px);
}

.about-institute-metric-icon svg {
    width: 32px;
    height: 32px;
}

.about-institute-metric-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
    color: rgba(147, 197, 253, 0.75);
}

.about-institute-metric-animate:nth-child(1) {
    animation: about-slide-up-in 0.55s ease 0.15s backwards;
}

.about-institute-metric-animate:nth-child(2) {
    animation: about-slide-up-in 0.55s ease 0.22s backwards;
}

.about-institute-metric-animate:nth-child(3) {
    animation: about-slide-up-in 0.55s ease 0.29s backwards;
}

.about-institute-metric-animate:nth-child(4) {
    animation: about-slide-up-in 0.55s ease 0.36s backwards;
}

.about-institute-metric-animate:nth-child(5) {
    animation: about-slide-up-in 0.55s ease 0.43s backwards;
}

.about-institute-metric-val {
    display: inline;
    font-size: clamp(26px, 3.4vw, 38px);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}

.about-institute-metric-unit {
    font-size: 15px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.48);
    margin-left: 2px;
}

.about-institute-metric-label {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.4;
}

.about-institute-delivery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.about-institute-delivery-card {
    padding: 32px 20px 34px;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(10, 14, 26, 0.55));
    text-align: center;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.about-institute-delivery-card:hover {
    transform: translateY(-5px);
    border-color: rgba(22, 93, 255, 0.32);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
}

.about-institute-delivery-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(147, 197, 253, 0.92);
}

.about-institute-delivery-icon svg {
    width: 50px;
    height: 50px;
}

.about-institute-delivery-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 6px;
}

.about-institute-delivery-en {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.4);
    margin: 0 0 12px;
}

.about-institute-delivery-desc {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
}

@media (prefers-reduced-motion: reduce) {
    .about-svg-dash,
    .about-svg-float,
    .about-svg-stroke-glow,
    .about-svg-pulse-wrap .about-svg-ring,
    .about-institute-animate,
    .about-institute-metric-animate {
        animation: none !important;
    }

    .about-institute-slide,
    .about-institute-metric-animate {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 992px) {
    .about-institute-pillars {
        grid-template-columns: 1fr;
    }

    .about-institute-leaders {
        grid-template-columns: 1fr;
    }

    .about-institute-bento.about-institute-centers {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-institute-metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-institute-delivery {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-institute-slide {
        padding: 40px 24px 44px;
    }

    .about-institute-slide--leadership {
        padding: 44px 24px 48px;
    }
}

@media (max-width: 576px) {
    .about-institute-hero-inner {
        padding: 52px 16px 60px;
    }

    .about-institute-hero-svg--bolt {
        display: none;
    }

    .about-institute-inner {
        gap: 28px;
    }

    .about-institute-slide {
        padding: 32px 18px 36px;
    }

    .about-institute-slide--leadership {
        padding: 36px 18px 40px;
    }

    .about-institute-bento.about-institute-centers,
    .about-institute-delivery {
        grid-template-columns: 1fr;
    }

    .about-institute-metrics {
        grid-template-columns: 1fr;
    }

    .about-institute-h3:not(.about-institute-h3--stack) .about-institute-h3-en {
        display: block;
        margin: 8px 0 0;
        margin-left: 0;
    }

    .about-institute-leader {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .about-institute-leader-body {
        text-align: center;
    }
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 80px;
}

.vision-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.vision-card:hover {
    transform: translateY(-6px);
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.vision-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    margin: 0 auto 24px;
    box-shadow: var(--glow-primary);
}

.vision-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
}

.vision-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

@media (max-width: 992px) {
    .about-intro {
        grid-template-columns: 1fr;
    }

    .vision-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .about-intro {
        gap: 40px;
    }

    .vision-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 36px;
    }
}

/* 团队 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.team-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: var(--transition-normal);
}

.team-card:hover {
    transform: translateY(-6px);
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.team-avatar {
    height: 220px;
    background: linear-gradient(135deg, var(--dark-card), var(--dark-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 72px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.team-info {
    padding: 28px;
    text-align: center;
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--white);
}

.team-role {
    font-size: 14px;
    color: var(--primary-light);
}

@media (max-width: 992px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .team-grid {
        grid-template-columns: 1fr;
    }
}

/* 未来规划 */
.future-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.future-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition-normal);
}

.future-item:hover {
    transform: translateY(-6px);
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.future-num {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin: 0 auto 20px;
    box-shadow: var(--glow-soft);
}

.future-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
}

@media (max-width: 992px) {
    .future-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 576px) {
    .future-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 联系页面 */
.contact-headline {
    padding: 126px 0 26px;
}

.contact-headline .container {
    text-align: center;
}

.contact-headline__title {
    margin: 0;
    font-size: clamp(20px, 3vw, 25px);
    line-height: 1.22;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
}

.contact-headline__subtitle {
    margin: 12px 0 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-light);
    letter-spacing: 0.02em;
}

/* 仅压缩联系页标题与首个内容容器间距，避免影响其他页面 */
.page-contact #contact-info.section {
    padding-top: 24px;
}

/* 联系页“咨询须知”：四列毛玻璃卡，无背景图 */
.contact-notice-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.contact-notice-card {
    padding: 28px 20px 24px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    text-align: center;
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.18);
    border-radius: var(--radius-xl);
}

.contact-notice-card .advantage-icon {
    margin: 0 auto 16px;
}

.contact-notice-card .advantage-title {
    margin-bottom: 10px;
    font-size: 20px;
}

.contact-notice-card .advantage-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-light);
}

.contact-notice-card:hover {
    transform: translateY(-6px);
    border-color: rgba(64, 128, 255, 0.45);
    box-shadow: 0 18px 42px rgba(22, 93, 255, 0.2);
}

/* 联系页「咨询须知」区块：收紧底部留白，避免段落后空白过高 */
.page-contact .contact-notice-section {
    min-height: auto;
    padding-top: 64px;
    padding-bottom: 44px;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    padding: 48px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 36px;
    color: var(--white);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
}

/* 联系方式行左侧：iOS 扁平符号底（细线 + 浅底，无渐变光晕） */
.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    flex-shrink: 0;
    box-shadow: none;
}

.contact-icon svg {
    color: var(--primary-light);
}

.contact-text h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--white);
}

.contact-text p {
    font-size: 14px;
    color: var(--text-light);
}

.contact-form {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 48px;
}

.form-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 36px;
    color: var(--white);
}

.contact-form .form-submit {
    margin-top: 8px;
}

.contact-form .form-submit .btn {
    width: 100%;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    color: var(--white);
    transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.15);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-bg);
    color: var(--white);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 768px) {
    .contact-headline {
        padding: 106px 0 20px;
    }

    .contact-headline__subtitle {
        font-size: 14px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .page-contact #contact-info.section {
        padding-top: 12px;
    }

    .contact-notice-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .page-contact .contact-notice-section {
        padding-top: 48px;
        padding-bottom: 30px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .contact-notice-grid {
        grid-template-columns: 1fr;
    }
}

/* 技术页面 */
.tech-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.tech-detail-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: 0;
    transition: var(--transition-normal);
    overflow: hidden;
}

.tech-detail-card__media {
    height: 180px;
    overflow: hidden;
}

.tech-detail-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tech-detail-card__body {
    padding: 48px;
}

.tech-detail-card--wide {
    grid-column: 1 / -1;
}

.tech-detail-card--wide .tech-detail-card__body {
    padding: 40px 48px 48px;
    text-align: center;
}

.tech-detail-card--wide .tech-detail-header {
    justify-content: center;
}

.tech-detail-card--wide .tech-detail-desc {
    max-width: 52rem;
    margin-left: auto;
    margin-right: auto;
}

.tech-detail-card--wide .tech-features {
    justify-content: center;
}

.tech-detail-card:hover {
    border-color: rgba(22, 93, 255, 0.3);
    box-shadow: var(--shadow-card-hover);
}

.tech-detail-header {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 28px;
}

.tech-detail-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    box-shadow: var(--glow-primary);
    flex-shrink: 0;
}

.tech-detail-icon svg {
    color: var(--white);
}

.tech-detail-title {
    font-size: 26px;
    font-weight: 600;
    color: var(--white);
}

.tech-detail-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 24px;
}

.tech-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-feature {
    padding: 10px 18px;
    background: rgba(22, 93, 255, 0.1);
    border: 1px solid rgba(22, 93, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--primary-light);
    font-weight: 500;
}

@media (max-width: 768px) {
    .tech-detail-grid {
        grid-template-columns: 1fr;
    }

    .tech-detail-card__body {
        padding: 32px 24px;
    }

    .tech-detail-card--wide .tech-detail-card__body {
        padding: 32px 24px;
    }
}

/* ========================================
   动画
   ======================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger 动画 */
.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 500ms; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   响应式调整
   ======================================== */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px 0;
    }

    .container {
        padding: 0 24px;
    }

    .header .container {
        padding-left: 24px;
        padding-right: 24px;
    }

    /* 子页内容轨：保留磨砂内边距，避免被全局 .container 覆盖成 0 纵向 */
    body.page-branded .section > .container,
    body.page-branded .cta-section > .container {
        padding: 28px 22px 36px;
    }

    .section-title {
        font-size: 40px;
    }

    .section-header {
        margin-bottom: 60px;
    }
}

@media (max-width: 576px) {
    :root {
        --section-padding: 60px 0;
    }

    .container {
        padding: 0 16px;
    }

    .header .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    body.page-branded .section > .container,
    body.page-branded .cta-section > .container {
        padding: 22px 16px 28px;
    }

    body.page-branded .section > .container::before,
    body.page-branded .cta-section > .container::before,
    body.page-branded .section > .container::after,
    body.page-branded .cta-section > .container::after {
        top: 16px;
        bottom: 16px;
        width: 2px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-subtitle {
        font-size: 16px;
    }

    .section-header {
        margin-bottom: 48px;
    }
}

/* ========================================
   产品弹窗
   ======================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--dark-card);
    padding: 48px;
    border-radius: var(--radius-xl);
    max-width: 640px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.modal-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.modal-desc {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 32px;
}

.modal-section {
    margin-bottom: 28px;
}

.modal-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-features {
    list-style: none;
}

.modal-features li {
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-light);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-features li::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.modal-scenario {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.7;
}

.modal-actions {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

@media (max-width: 576px) {
    .modal-content {
        padding: 32px;
    }

    .modal-title {
        font-size: 24px;
    }

    .modal-actions {
        flex-direction: column;
    }
}

/* ========================================
   案例卡片响应式
   ======================================== */
@media (max-width: 1199px) {
    .case-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .case-card__metrics {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .case-section {
        padding: 80px 0 100px;
    }

    .case-section .section-header {
        margin-bottom: 44px;
    }

    .case-card__body {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 20px;
    }

    .case-card__metrics {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 16px 20px;
    }

    .metric-number {
        font-size: 22px;
    }

    .case-block {
        padding: 14px;
    }

    .case-card__title {
        font-size: 20px;
        bottom: 44px;
    }

    .case-card__summary {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .case-card__metrics {
        grid-template-columns: repeat(2, 1fr);
    }

    .metric-number {
        font-size: 18px;
    }

    .metric-label {
        font-size: 10px;
    }

    .case-list li {
        font-size: 12px;
    }

    .case-block__title {
        font-size: 12px;
    }

    .case-card__client {
        font-size: 11px;
        padding: 5px 10px;
    }
}

/* ========================================
   AI资讯页 - news-page 专用样式
   ======================================== */

/* ---- 页面主容器 ---- */
.news-page {
    padding-top: 80px;
}

/* ========================================
   Banner 轮播区（通栏）
   ======================================== */
.news-banner {
    width: 100%;
    min-height: 40vh;
    max-height: 560px;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.95) 0%,
        rgba(13, 40, 71, 0.9) 50%,
        rgba(10, 22, 40, 0.95) 100%
    );
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.news-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(22, 93, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22, 93, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.news-banner__inner {
    display: flex;
    height: 100%;
    min-height: 40vh;
    max-height: 560px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    gap: 24px;
    position: relative;
    z-index: 1;
}

/* ---- 左侧主视觉区（75%） ---- */
.news-banner__main {
    flex: 0 0 75%;
    max-width: 75%;
    padding: 24px 0;
    display: flex;
    flex-direction: column;
}

/* ---- 轮播组件 ---- */
.news-carousel {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.news-carousel:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.85);
    outline-offset: 3px;
}

.news-carousel__slides {
    flex: 1;
    position: relative;
}

.news-carousel__slide {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.news-carousel__slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

/* 整张轮播幕布点击进入详情（文案层 pointer-events:none，避免挡住链接） */
.news-carousel__hit {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
}

.news-carousel__hit:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.95);
    outline-offset: -3px;
}

.news-carousel__image {
    flex: 1;
    min-height: 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.news-carousel__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 6s ease;
}

.news-carousel__slide.active .news-carousel__image img {
    transform: scale(1.05);
}

.news-carousel__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    /* 底部留白：避免与右下角控制条视觉重叠；pointer-events 穿透到下层 hit */
    padding: 48px 32px 36px;
    padding-right: max(32px, 200px);
    background: linear-gradient(to top, rgba(6, 12, 24, 0.92) 0%, rgba(6, 12, 24, 0.6) 60%, transparent 100%);
    z-index: 3;
    pointer-events: none;
}

.news-carousel__tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.news-carousel__title {
    font-size: clamp(20px, 2.2vw, 28px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 8px;
    max-width: 80%;
}

.news-carousel__desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    max-width: 70%;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---- 轮播控制（右下角，避免压住居中标题/摘要） ---- */
.news-carousel__controls {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 24px;
    position: absolute;
    bottom: 16px;
    right: 16px;
    left: auto;
    transform: none;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 8;
    pointer-events: auto;
}

.news-carousel__arrow {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.news-carousel__arrow:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.news-carousel__indicator {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
    text-align: center;
}

/* ---- 右侧每日快讯侧边栏（25%） ---- */
.news-banner__sidebar {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 24px 0;
    display: flex;
    flex-direction: column;
}

.news-daily {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(10, 12, 24, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    overflow: hidden;
}

.news-daily__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.news-daily__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
}

.news-daily__title svg {
    color: var(--primary-light);
}

.news-daily__date {
    font-size: 12px;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 10px;
    border-radius: 20px;
}

.news-daily__list {
    flex: 1;
    overflow-y: auto;
    padding: 12px 16px;
    list-style: none;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

.news-daily__list::-webkit-scrollbar {
    width: 4px;
}

.news-daily__list::-webkit-scrollbar-track {
    background: transparent;
}

.news-daily__list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
}

.news-daily__list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.news-daily__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
}

.news-daily__item:last-child {
    border-bottom: none;
}

.news-daily__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary-light);
    margin-top: 7px;
    flex-shrink: 0;
    box-shadow: 0 0 6px rgba(22, 93, 255, 0.5);
}

.news-daily__link {
    flex: 1;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-daily__link:hover {
    color: var(--primary-light);
}

.news-daily__time {
    font-size: 11px;
    color: var(--text-light);
    flex-shrink: 0;
    margin-top: 2px;
    font-variant-numeric: tabular-nums;
}

/* ========================================
   主体内容区（左右分栏）
   ======================================== */
.news-content {
    padding: 24px 0 80px;
    position: relative;
    z-index: 1;
}

.news-content__inner {
    display: flex;
    gap: 24px;
}

/* ---- 左侧主栏（75%） ---- */
.news-content__main {
    flex: 0 0 75%;
    max-width: 75%;
}

/* ---- 分类筛选栏 ---- */
.news-filter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    padding: 14px 20px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(10, 12, 24, 0.35));
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.news-filter__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.news-filter__tab {
    padding: 7px 18px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.65);
    border-radius: 20px;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.news-filter__tab:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.05);
}

.news-filter__tab.active {
    color: var(--white);
    background: var(--gradient-primary);
    border-color: rgba(22, 93, 255, 0.4);
    box-shadow: 0 0 16px rgba(22, 93, 255, 0.25);
}

.news-filter__sort {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}

.news-filter__select {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--white);
    font-size: 13px;
    cursor: pointer;
    outline: none;
}

.news-filter__select option {
    background: var(--dark-bg);
    color: var(--white);
}

/* ---- 资讯卡片（横向布局） ---- */
.news-card {
    display: flex;
    gap: 20px;
    padding: 20px;
    margin-bottom: 16px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.035), rgba(10, 12, 24, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.news-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--primary-light), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.news-card:hover {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(10, 12, 24, 0.4));
    border-color: rgba(22, 93, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2), 0 0 30px rgba(22, 93, 255, 0.08);
}

.news-card:hover::before {
    opacity: 0.6;
}

/* 资讯列表：整卡点击进详情（透明 hit 层叠在缩略图与正文之上） */
.news-list .news-card__thumb,
.news-list .news-card__body {
    position: relative;
    z-index: 1;
}

.news-list .news-card__hit {
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: inherit;
}

.news-list .news-card__hit:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.95);
    outline-offset: 3px;
}

.news-list .news-card:hover .news-card__title {
    color: var(--primary-light);
}

.news-card__thumb {
    flex: 0 0 220px;
    height: 140px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    position: relative;
}

.news-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card:hover .news-card__thumb img {
    transform: scale(1.08);
}

.news-card__category {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 3px 10px;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    z-index: 1;
}

.news-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.news-card__title {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--white);
    transition: color var(--transition-fast);
}

.news-card__title a {
    color: var(--white);
    transition: color var(--transition-fast);
}

.news-card__title a:hover {
    color: var(--primary-light);
}

.news-card__excerpt {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.news-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--text-light);
}

.news-card__meta > span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ---- 分页 ---- */
.news-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.news-pagination__prev,
.news-pagination__next {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.news-pagination__prev:hover,
.news-pagination__next:hover {
    background: rgba(22, 93, 255, 0.15);
    border-color: rgba(22, 93, 255, 0.3);
    color: var(--white);
}

.news-pagination__prev.disabled,
.news-pagination__next.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.news-pagination__numbers {
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-pagination__numbers a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.news-pagination__numbers a:hover {
    background: rgba(22, 93, 255, 0.15);
    border-color: rgba(22, 93, 255, 0.3);
    color: var(--white);
}

.news-pagination__numbers a.active {
    background: var(--gradient-primary);
    border-color: rgba(22, 93, 255, 0.5);
    color: var(--white);
    box-shadow: 0 0 12px rgba(22, 93, 255, 0.3);
}

.news-pagination__ellipsis {
    color: var(--text-light);
    padding: 0 4px;
    font-size: 14px;
}

/* ---- 资讯正文详情页（字段对齐 ai-news 列表卡片 + 正文展开） ---- */
.news-detail {
    padding-bottom: 24px;
}

.news-detail__crumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.48);
    margin-bottom: 20px;
}

.news-detail__crumb a {
    color: var(--primary-light);
}

.news-detail__crumb a:hover {
    color: var(--white);
}

.news-detail__crumb-sep {
    margin: 0 6px;
    opacity: 0.65;
}

.news-detail__header {
    margin-bottom: 20px;
}

.news-detail__title {
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.35;
    margin: 12px 0 14px;
    letter-spacing: -0.02em;
}

.news-detail__meta {
    margin-top: 4px;
}

.news-detail__lead {
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.78);
    margin: 0 0 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.news-detail__cover {
    margin: 0 0 32px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
}

.news-detail__cover img {
    display: block;
    width: 100%;
    height: auto;
}

.news-detail__caption {
    display: block;
    padding: 12px 16px;
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.03);
}

.news-detail__body {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.82);
}

.news-detail__body h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin: 28px 0 14px;
    letter-spacing: -0.01em;
}

.news-detail__body h2:first-child {
    margin-top: 0;
}

.news-detail__body p {
    margin: 0 0 1em;
}

.news-detail__body p:last-child {
    margin-bottom: 0;
}

.news-detail__body strong {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 600;
}

.news-detail__footer {
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-detail__tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.news-detail__tags-label {
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
    margin-right: 4px;
}

.news-detail__back {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-light);
    width: fit-content;
}

.news-detail__back:hover {
    color: var(--white);
}

/* ========================================
   右侧边栏
   ======================================== */
.news-content__sidebar {
    flex: 0 0 25%;
    max-width: 25%;
}

.news-sidebar__block {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(10, 12, 24, 0.25) 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.news-sidebar__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.news-sidebar__title svg {
    color: var(--primary-light);
}

/* ---- 热门文章 ---- */
.news-hot__list {
    list-style: none;
    counter-reset: hot-rank;
}

.news-hot__item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.news-hot__item:last-child {
    border-bottom: none;
}

.news-hot__rank {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    flex-shrink: 0;
    margin-top: 2px;
}

.news-hot__rank--top {
    color: var(--white);
    background: var(--gradient-primary);
    box-shadow: 0 0 10px rgba(22, 93, 255, 0.3);
}

.news-hot__info {
    flex: 1;
    min-width: 0;
}

.news-hot__link {
    display: block;
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 4px;
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-hot__link:hover {
    color: var(--primary-light);
}

.news-hot__views {
    font-size: 11px;
    color: var(--text-light);
}

/* ---- 标签云 ---- */
.news-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.news-tag {
    padding: 5px 12px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    transition: var(--transition-fast);
}

.news-tag:hover {
    color: var(--white);
    background: rgba(22, 93, 255, 0.15);
    border-color: rgba(22, 93, 255, 0.3);
    transform: translateY(-1px);
}

/* ========================================
   响应式适配
   ======================================== */
@media (max-width: 1200px) {
    .news-banner__inner,
    .news-content .container {
        padding: 0 24px;
    }
}

@media (max-width: 992px) {
    .news-banner {
        min-height: auto;
        max-height: none;
    }

    .news-banner__inner {
        flex-direction: column;
        min-height: auto;
        max-height: none;
        padding: 16px 24px;
    }

    .news-banner__main,
    .news-banner__sidebar {
        flex: 1 1 auto;
        max-width: 100%;
        padding: 0;
    }

    .news-banner__sidebar {
        margin-top: 16px;
    }

    .news-daily {
        max-height: 320px;
    }

    .news-carousel {
        min-height: 320px;
    }

    .news-content__inner {
        flex-direction: column;
    }

    .news-content__main,
    .news-content__sidebar {
        flex: 1 1 auto;
        max-width: 100%;
    }

    .news-content__sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .news-sidebar__block {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .news-page {
        padding-top: 72px;
    }

    .news-carousel__caption {
        padding: 32px 20px 20px;
    }

    .news-carousel__title {
        max-width: 100%;
        font-size: 18px;
    }

    .news-carousel__desc {
        max-width: 100%;
    }

    .news-carousel__controls {
        gap: 12px;
        padding: 8px 16px;
        right: 12px;
        bottom: 12px;
    }

    .news-carousel__caption {
        padding-right: max(20px, 160px);
    }

    .news-card {
        flex-direction: column;
        gap: 14px;
    }

    .news-card__thumb {
        flex: 1 1 auto;
        width: 100%;
        height: 180px;
    }

    .news-filter {
        flex-direction: column;
        align-items: flex-start;
    }

    .news-filter__tabs {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .news-filter__tab {
        white-space: nowrap;
    }

    .news-content__sidebar {
        grid-template-columns: 1fr;
    }

    .news-pagination {
        flex-wrap: wrap;
        gap: 6px;
    }

    .news-pagination__prev,
    .news-pagination__next {
        padding: 6px 12px;
        font-size: 12px;
    }

    .news-pagination__numbers a {
        width: 32px;
        height: 32px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .news-banner__inner {
        padding: 12px 16px;
    }

    .news-carousel {
        min-height: 260px;
    }

    .news-carousel__caption {
        padding: 24px 16px 16px;
    }

    .news-carousel__title {
        font-size: 16px;
    }

    .news-carousel__desc {
        display: none;
    }

    .news-card {
        padding: 14px;
    }

    .news-card__thumb {
        height: 150px;
    }

    .news-card__title {
        font-size: 15px;
    }

    .news-card__excerpt {
        font-size: 13px;
    }
}

/* ========================================
   AI分享 文章展示列表 — 双列卡片
   ======================================== */

.news-share {
    background: transparent;
    padding: 120px 0 80px;
    position: relative;
    z-index: 1;
}

.news-share::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.08) 50%, transparent 100%);
}

.news-share__header {
    text-align: center;
    margin-bottom: 80px;
    padding-top: 40px;
}

.news-share__line {
    width: 160px;
    height: 2px;
    background: rgba(255, 255, 255, 0.25);
    margin: 0 auto 24px;
    border-radius: 1px;
}

.news-share__desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* ---- 双列等宽网格 ---- */
.news-share__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    background: transparent;
    border-radius: var(--radius-lg);
    overflow: visible;
    border: none;
}

/* ---- 单卡片 ---- */
.share-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(10, 12, 24, 0.4) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    transition: background var(--transition-fast);
    height: 230px;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.share-card:hover {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(10, 12, 24, 0.5) 100%);
}

/* 上半部分：左图右文 */
/* 左图右文：右侧文案与缩略图顶部对齐（活动列表 / AI分享共用 share-card） */
.share-card__top {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

/* 左侧 16:9 缩略图 */
.share-card__thumb {
    flex: 0 0 auto;
    width: 160px;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
}

.share-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.share-card:hover .share-card__thumb img {
    transform: scale(1.08);
}

/* 右侧文字信息 */
.share-card__text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
    overflow: hidden;
    min-height: 0;
}

/* 视觉层级：来源标签 < 副标题 < 主标题 */
.share-card__source {
    display: inline-block;
    align-self: flex-start;
        padding: 4px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(22, 93, 255, 0.15);
    border-radius: 4px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.share-card__subtitle {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.7);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
    word-break: break-word;
    overflow-wrap: break-word;
}

.share-card__title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.35;
    color: #ffffff;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
    word-break: break-word;
    overflow-wrap: break-word;
}

.share-card:hover .share-card__title {
    color: var(--primary-light);
}

/* 下半部分：通栏元数据 */
.share-card__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    flex-shrink: 0;
    flex-wrap: nowrap;
    overflow: hidden;
}

.share-card__meta > span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.share-card__meta svg {
    color: rgba(255, 255, 255, 0.4);
}

/* 右下角圆形跳转箭头 */
.share-card__arrow {
    position: absolute;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.share-card__arrow:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

/* 活动列表箭头为 span 时无自身 hover，随整张卡片高亮 */
.share-card:hover .share-card__arrow {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

/* ========================================
   AI分享 响应式适配
   ======================================== */
@media (max-width: 992px) {
    .news-share__grid {
        grid-template-columns: 1fr;
        gap: 1px;
    }

    .share-card {
        padding: 22px;
    }
}

@media (max-width: 480px) {
    .news-share {
        padding: 48px 0;
    }

    .news-share__header {
        margin-bottom: 32px;
    }

    .share-card {
        padding: 18px;
        gap: 14px;
    }

    .share-card__top {
        gap: 14px;
    }

    .share-card__thumb {
        flex: 0 0 auto;
        width: 120px;
        aspect-ratio: 16 / 9;
    }

    .share-card__title {
        font-size: 15px;
    }

    .share-card__subtitle {
        font-size: 12px;
        -webkit-line-clamp: 1;
    }

    .share-card__meta {
        gap: 10px;
        font-size: 11px;
        flex-wrap: wrap;
    }

    .share-card__arrow {
        width: 36px;
        height: 36px;
        bottom: 18px;
        right: 18px;
    }
}

/* 活动页与分享页共用 news-share 头部：标题层级（样式文件已含 __line / __desc） */
.news-share__title {
    margin: 0 0 12px;
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: -0.02em;
}

/* AI分享 / AI活动列表：整卡点击进详情（article 内需放置 .share-card__cover-link） */
.news-share .share-card .share-card__cover-link {
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
}

.news-share .share-card .share-card__cover-link:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.95);
    outline-offset: 3px;
}

.news-share .share-card .share-card__arrow {
    z-index: 2;
    pointer-events: none;
}

/* ========================================
   AI分享文章详情 share-detail（正文居中）
   ======================================== */

.news-share.share-detail-shell .share-detail-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.share-detail {
    width: 100%;
    max-width: var(--share-detail-column, 920px);
    margin: 0 auto;
    text-align: center;
}

.share-detail__crumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.48);
    margin-bottom: 28px;
    width: 100%;
}

.share-detail__crumb a {
    color: var(--primary-light);
}

.share-detail__crumb a:hover {
    color: var(--white);
}

.share-detail__crumb-sep {
    margin: 0 6px;
    opacity: 0.65;
}

.share-detail__header {
    margin-bottom: 22px;
}

.share-detail__title {
    font-size: clamp(22px, 2.6vw, 34px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin: 14px 0 18px;
    letter-spacing: -0.02em;
}

.share-detail__meta {
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 4px;
}

.share-detail__lead {
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.76);
    margin: 0 0 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    text-align: center;
}

.share-detail__cover {
    margin: 0 auto 32px;
    max-width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
}

.share-detail__cover img {
    display: block;
    width: var(--share-detail-image-width, 920px);
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.share-detail__body {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.82);
    text-align: left;
}

.share-detail__body h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
    margin: 28px 0 14px;
}

.share-detail__body h2:first-child {
    margin-top: 0;
}

.share-detail__body p {
    margin: 0 0 1em;
}

.share-detail__body p:last-child {
    margin-bottom: 0;
}

/* 恢复正文富文本格式（覆盖全局 list-style:none 重置） */
.share-detail__body ul,
.share-detail__body ol {
    list-style: revert;
    margin: 0 0 1em;
    padding-left: 1.6em;
}

.share-detail__body ul {
    list-style-type: disc;
}

.share-detail__body ul ul {
    list-style-type: circle;
}

.share-detail__body ul ul ul {
    list-style-type: square;
}

.share-detail__body ol {
    list-style-type: decimal;
}

.share-detail__body li {
    margin: 0.4em 0;
}

.share-detail__body li::marker {
    color: rgba(255, 255, 255, 0.45);
}

.share-detail__body a {
    color: var(--primary-light);
    text-decoration: none;
    word-break: break-word;
}

.share-detail__body a:hover {
    text-decoration: underline;
}

.share-detail__body strong,
.share-detail__body b {
    color: var(--white);
    font-weight: 700;
}

.share-detail__body h1,
.share-detail__body h3,
.share-detail__body h4 {
    color: var(--white);
    font-weight: 700;
    margin: 24px 0 12px;
    line-height: 1.4;
}

.share-detail__body img {
    border-radius: var(--radius-sm);
    margin: 12px 0;
}

.share-detail__body blockquote {
    margin: 1em 0;
    padding: 8px 16px;
    border-left: 3px solid var(--primary-light);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.7);
}

.share-detail__footer {
    margin-top: 40px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.share-detail__back {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-light);
}

.share-detail__back:hover {
    color: var(--white);
}

@media (max-width: 576px) {
    .share-detail__title {
        font-size: 20px;
    }
}

/* ========================================
   活动详情页 event-detail-page
   ======================================== */

.event-detail-page {
    padding: 100px 0 88px;
    position: relative;
    z-index: 1;
    /* 正文轨与详情图展示宽度（高度随图片 intrinsic 比例） */
    --event-detail-column: 920px;
    --event-detail-image-width: 920px;
}

/* 详情页内容轨：固定最大宽度，全文居中 */
.event-detail-page .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.event-detail__crumb {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.48);
    margin-bottom: 28px;
    width: 100%;
    max-width: var(--event-detail-column);
    text-align: center;
}

.event-detail__crumb a {
    color: var(--primary-light);
}

.event-detail__crumb a:hover {
    color: var(--white);
}

.event-detail__crumb-sep {
    margin: 0 6px;
    opacity: 0.7;
}

.event-detail {
    width: 100%;
    max-width: var(--event-detail-column);
    margin: 0 auto;
    text-align: center;
}

.event-detail__title {
    font-size: clamp(24px, 2.8vw, 36px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
}

.event-detail__time {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 10px;
    margin: 0 0 28px;
    font-size: 15px;
    line-height: 1.55;
    color: var(--text-light);
    text-align: left;
}

.event-detail__time svg {
    flex-shrink: 0;
    margin-top: 3px;
    color: rgba(255, 255, 255, 0.35);
}

.event-detail__body {
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 40px;
    max-width: none;
}

.event-detail__body p {
    margin: 0;
}

.event-detail__body p + p {
    margin-top: 1.1em;
}

.event-detail__gallery-section {
    margin-top: 8px;
    width: 100%;
}

.event-detail__gallery-heading {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin: 0 0 8px;
}

.event-detail__gallery-tip {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.42);
    margin: 0 0 14px;
}

.event-detail__gallery {
    overflow-x: auto;
    overflow-y: hidden;
    cursor: grab;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(6, 12, 24, 0.45);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    width: 100%;
    max-width: var(--event-detail-column);
    margin-inline: auto;
}

.event-detail__gallery.is-dragging {
    cursor: grabbing;
    user-select: none;
}

.event-detail__gallery-inner {
    display: flex;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
}

/* 固定展示宽度（不超过内容轨），高度随图片比例自然伸展 */
.event-detail__gallery-inner img {
    display: block;
    width: var(--event-detail-image-width);
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    pointer-events: none;
}

@media (max-width: 576px) {
    .event-detail-page {
        padding: 88px 0 64px;
    }
}

/* ========================================
   核心优势 - Layered Creative 风格（第二屏）
   全部以 .adv-creative- 前缀命名，避免污染其他模块
   ======================================== */
.advantages-creative {
    position: relative;
    overflow: hidden;
    background: #050508;
    padding: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.adv-creative-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.adv-creative-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 0.5s ease;
}

.adv-creative-video.hidden {
    opacity: 0;
}

.adv-creative-fallback {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 30%, rgba(60, 30, 120, 0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 70%, rgba(0, 100, 150, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 50%, rgba(20, 20, 40, 1) 0%, #000 100%);
    z-index: 1;
}

.adv-creative-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.adv-creative-content {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 40px 140px;
}

.adv-creative-header {
    text-align: center;
    margin-bottom: 64px;
}

.adv-creative-eyebrow {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-light);
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
}

.advantages-creative.is-visible .adv-creative-eyebrow {
    animation: advCreativeFadeUp 0.5s ease 0.2s forwards;
}

.adv-creative-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transform: translateY(30px);
}

.advantages-creative.is-visible .adv-creative-title {
    animation: advCreativeSlamDown 0.85s ease forwards;
}

.adv-creative-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
}

.advantages-creative.is-visible .adv-creative-subtitle {
    animation: advCreativeFadeUp 0.5s ease 0.7s forwards;
}

.adv-creative-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 1fr;
    gap: 28px;
}

.adv-creative-card {
    position: relative;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    padding: 40px 32px;
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateX(-80vw) scale(0.85) rotate(-6deg);
    will-change: transform, opacity;
    transition:
        transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
        background 0.3s ease,
        border-color 0.3s ease,
        box-shadow 0.4s ease;
}

.advantages-creative.is-visible .adv-creative-card {
    animation: advCreativeCardEnter 1.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.advantages-creative.is-visible .adv-creative-card:nth-child(even) {
    animation-name: advCreativeCardEnterRight;
}

.advantages-creative.is-visible .adv-creative-card:nth-child(1) { animation-delay: 0.1s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(2) { animation-delay: 0.18s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(3) { animation-delay: 0.26s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(4) { animation-delay: 0.34s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(5) { animation-delay: 0.42s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(6) { animation-delay: 0.50s; }
.advantages-creative.is-visible .adv-creative-card:nth-child(7) { animation-delay: 0.58s; }

.adv-creative-card:not(.adv-creative-flip)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    opacity: 0.6;
}

.adv-creative-card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.4) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.adv-creative-card:hover .adv-creative-card-glow {
    opacity: 1;
}

.adv-creative-card:not(.adv-creative-flip):hover {
    transform: translateY(-8px) scale(1.01);
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.adv-creative-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(0,212,255,0.2), rgba(120,80,255,0.2));
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    color: #00d4ff;
}

.adv-creative-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
    color: #ffffff;
}

.adv-creative-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

.adv-creative-card-tag {
    display: inline-block;
    margin-top: 20px;
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    z-index: 1;
}

.adv-creative-controls {
    position: absolute;
    bottom: 30px;
    right: 30px;
    z-index: 100;
    display: flex;
    gap: 10px;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 18px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    transform: translateY(20px);
}

.advantages-creative.is-visible .adv-creative-controls {
    animation: advCreativeFadeUp 0.6s ease 0.8s forwards;
}

.adv-creative-controls button {
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.adv-creative-controls button:hover {
    background: rgba(255, 255, 255, 0.1);
}

.adv-creative-controls span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-left: 4px;
}

@keyframes advCreativeSlamDown {
    0% {
        opacity: 0;
        transform: translateY(-300px) scale(1.1);
        animation-timing-function: cubic-bezier(0.55, 0.055, 0.675, 0.19);
    }
    45% {
        opacity: 1;
        transform: translateY(20px) scaleY(0.75) scaleX(1.15);
        animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    }
    60% {
        transform: translateY(-12px) scaleY(1.08) scaleX(0.95);
        animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    }
    75% {
        transform: translateY(4px) scaleY(0.96) scaleX(1.03);
        animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes advCreativeFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes advCreativeCardEnter {
    from {
        opacity: 0;
        transform: translateX(-80vw) scale(0.85) rotate(-6deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1) rotate(0);
    }
}

@keyframes advCreativeCardEnterRight {
    from {
        opacity: 0;
        transform: translateX(80vw) scale(0.85) rotate(6deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1) rotate(0);
    }
}

@keyframes advCreativeFrameFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Frame Card */
.adv-creative-frame {
    grid-column: span 2;
    padding: 0;
    overflow: hidden;
    min-height: 300px;
    position: relative;
    cursor: pointer;
}

@media (max-width: 640px) {
    .adv-creative-frame {
        grid-column: span 1;
    }
}

.adv-creative-frame-backdrop {
    position: absolute;
    right: 28px;
    bottom: 28px;
    width: 72%;
    height: 82%;
    background: linear-gradient(135deg, rgba(255,107,107,0.95), rgba(232,197,71,0.95));
    border-radius: 20px;
    z-index: 0;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.adv-creative-frame:hover .adv-creative-frame-backdrop {
    transform: translate(10px, 10px) rotate(2deg);
}

.adv-creative-frame-image {
    position: absolute;
    left: 28px;
    top: 28px;
    width: 72%;
    height: 82%;
    border-radius: 16px;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 24px 48px rgba(0,0,0,0.35);
    animation: advCreativeFrameFloat 5s ease-in-out infinite;
}

.adv-creative-frame-image img,
.adv-creative-frame-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}

.adv-creative-frame:hover .adv-creative-frame-image img,
.adv-creative-frame:hover .adv-creative-frame-image video {
    transform: scale(1.1);
}

.adv-creative-frame-caption {
    position: absolute;
    left: 40px;
    bottom: 40px;
    z-index: 2;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0,0,0,0.35);
    pointer-events: none;
}

.adv-creative-frame-caption h4 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.adv-creative-frame-caption p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Flip Card */
.adv-creative-card.adv-creative-flip {
    padding: 0;
    background: transparent;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    perspective: 1200px;
    overflow: visible;
}

.adv-creative-card-inner {
    position: relative;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.adv-creative-flip:hover .adv-creative-card-inner {
    transform: rotateY(180deg);
}

.adv-creative-card-front,
.adv-creative-card-back {
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    overflow: hidden;
}

.adv-creative-card-front {
    position: relative;
    padding: 40px 32px;
    transition: background 0.3s ease,
                border-color 0.3s ease,
                box-shadow 0.4s ease;
}

.adv-creative-card-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    opacity: 0.6;
}

.adv-creative-card-back {
    position: absolute;
    inset: 0;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    transition: background 0.3s ease,
                border-color 0.3s ease,
                box-shadow 0.4s ease;
}

.adv-creative-flip:hover {
    transform: translateY(-8px) scale(1.01);
}

.adv-creative-flip:hover .adv-creative-card-front,
.adv-creative-flip:hover .adv-creative-card-back {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow:
        0 20px 60px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.adv-creative-card-back-image {
    flex: 1.2;
    min-height: 0;
    overflow: hidden;
}

.adv-creative-card-back-image img,
.adv-creative-card-back-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.adv-creative-card-back-content {
    padding: 24px 32px;
    flex-shrink: 0;
}

.adv-creative-card-back-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #fff;
}

.adv-creative-card-back-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 992px) {
    .adv-creative-content {
        padding: 80px 24px 120px;
    }

    .adv-creative-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .adv-creative-content {
        padding: 60px 20px 100px;
    }

    .adv-creative-grid {
        grid-template-columns: 1fr;
    }

    .adv-creative-controls {
        bottom: 20px;
        right: 20px;
        padding: 8px 14px;
    }

    .adv-creative-frame {
        min-height: 260px;
    }

    .adv-creative-frame-image {
        left: 18px;
        top: 18px;
        width: 78%;
        height: 78%;
    }

    .adv-creative-frame-backdrop {
        right: 18px;
        bottom: 18px;
        width: 78%;
        height: 78%;
    }

    .adv-creative-frame-caption {
        left: 28px;
        bottom: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .advantages-creative.is-visible .adv-creative-eyebrow,
    .advantages-creative.is-visible .adv-creative-title,
    .advantages-creative.is-visible .adv-creative-subtitle,
    .advantages-creative.is-visible .adv-creative-card,
    .advantages-creative.is-visible .adv-creative-controls {
        animation: none;
        opacity: 1;
        transform: none;
    }
}