:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f6f3;
    --bg-card: rgba(255, 255, 255, 0.92);
    --text-primary: #3e2723;
    --text-secondary: rgba(62, 39, 35, 0.72);
    --text-muted: rgba(62, 39, 35, 0.48);
    --accent-primary: #93704b;
    --accent-light: #aa9072;
    --accent-dark: #6d5633;
    --accent-warm: #847164;
    --accent-gold: #c9a962;
    --accent-cyan: #93704b;
    --accent-blue: #aa9072;
    --accent-purple: #6d5633;
    --accent-tech: #4a6fa5;
    --gradient-main: linear-gradient(135deg, #c3b29e, #93704b, #6d5633);
    --border-glow: rgba(147, 112, 75, 0.22);
    --glass: rgba(147, 112, 75, 0.05);
    --radius: 12px;
    --radius-lg: 20px;
    --shadow-glow: 0 8px 40px rgba(147, 112, 75, 0.14);
    --font: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-display: 'Noto Sans SC', 'Inter', 'PingFang SC', sans-serif;
    --nav-height: 72px;
    --section-pad: 72px;
    --section-pad-lg: 84px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

.skip-link {
    position: fixed;
    top: -48px;
    left: 16px;
    z-index: 1100;
    padding: 10px 16px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 12px;
    outline: 2px solid var(--accent-tech);
    outline-offset: 2px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.grid-bg {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(147, 112, 75, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(147, 112, 75, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    z-index: 1000;
    transition: all 0.3s;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    border-bottom-color: var(--border-glow);
    box-shadow: 0 4px 24px rgba(147, 112, 75, 0.08);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon { width: 40px; height: 40px; color: var(--accent-cyan); }

.logo-img {
    height: 46px;
    width: auto;
    display: block;
    border-radius: 6px;
}

.logo-img-footer { height: 40px; }

.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 16px; letter-spacing: 2px; }
.logo-text small { font-size: 10px; color: var(--text-muted); letter-spacing: 3px; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    position: relative;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-primary);
    background: var(--glass);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 18px;
    height: 2px;
    background: var(--accent-primary);
    border-radius: 1px;
}

.nav-cta.active::after { display: none; }

.nav-cta {
    background: var(--gradient-main) !important;
    color: #fff !important;
    font-weight: 600;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px; height: 2px;
    background: var(--text-primary);
    transition: 0.3s;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    width: 480px; height: 480px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.32;
    z-index: 0;
}

.hero-glow-1 { top: -200px; right: -100px; background: #ebe5de; }
.hero-glow-2 { bottom: -200px; left: -100px; background: #d7ccc8; }

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.hero-text {
    max-width: none;
    min-width: 0;
}

.hero h1 {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-title-line {
    display: block;
    white-space: nowrap;
    width: max-content;
    max-width: 100%;
}

.hero h1 .gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    padding: 20px 16px 12px;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-glow);
}

.hero-pipeline {
    width: 100%;
    height: auto;
    display: block;
}

.hero-loop-base {
    pointer-events: none;
}

.hero-path {
    animation: heroPathFlow 2s linear infinite;
}

.hero-loop-track {
    animation-duration: 2.2s;
}

.hero-flow-dot-mobile {
    display: none;
}

@keyframes heroPathFlow {
    to { stroke-dashoffset: -24; }
}

.hero-node {
    transition: transform 0.35s ease;
    transform-box: fill-box;
    transform-origin: center;
}

.hero-node-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.hero-node-label-top { fill: #93704b; }
.hero-node-2 .hero-node-label-bottom { fill: #4a6fa5; }
.hero-node-3 .hero-node-label-bottom { fill: #6d5633; }

@media (hover: hover) {
    .hero-visual-card:hover .hero-node circle {
        stroke-width: 2.2;
    }
}

.hero-node circle {
    animation: heroNodePulse 4.5s ease-in-out infinite;
}

.hero-node-2 circle { animation-delay: 1.3s; }
.hero-node-3 circle { animation-delay: 2.6s; }

@keyframes heroNodePulse {
    0%, 100% { stroke-opacity: 1; }
    50% { stroke-opacity: 0.72; }
}

.hero-visual-metrics { display: none; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--gradient-main);
    color: #fff;
    box-shadow: 0 4px 24px rgba(147, 112, 75, 0.35);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(147, 112, 75, 0.45); }

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glow);
    backdrop-filter: blur(10px);
}

.btn-outline:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-glow);
}

.stat-item h3 {
    font-size: 36px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Sections */
section { position: relative; z-index: 2; padding: var(--section-pad) 0; }

section.section-pad-lg { padding: var(--section-pad-lg) 0; }

.section-divider-top {
    border-top: 1px solid rgba(147, 112, 75, 0.07);
}

.section-surface {
    background: linear-gradient(180deg, #faf9f7 0%, #ffffff 100%);
}

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

.section-header h2,
.hero h1,
.about-content h3,
.platform-card h3,
.module-card h3 {
    font-family: var(--font-display);
}

.section-header h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(147, 112, 75, 0.06);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity 0.4s;
}

.glass-card:hover {
    transform: translateY(-4px);
    border-color: rgba(147, 112, 75, 0.45);
    box-shadow: var(--shadow-glow);
}

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

.card-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: rgba(147, 112, 75, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
}

.glass-card h3 { font-size: 20px; margin-bottom: 12px; }
.glass-card p { color: var(--text-secondary); font-size: 14px; }

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    border: 1px solid var(--border-glow);
}

.about-visual img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.about-visual .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(147, 112, 75, 0.15), rgba(195, 178, 158, 0.2));
}

.about-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f6f3, #ebe5de);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    opacity: 0.5;
}

.about-content h3 {
    font-size: 28px;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-lead {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 28px;
}

.about-lead strong {
    color: var(--accent-dark);
}

.about-pillars {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.about-pillar {
    padding: 20px 22px;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.7);
    transition: border-color 0.3s, box-shadow 0.3s;
}

.about-pillar:hover {
    border-color: rgba(147, 112, 75, 0.35);
    box-shadow: 0 6px 24px rgba(147, 112, 75, 0.08);
}

.about-pillar-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(147, 112, 75, 0.12), rgba(74, 111, 165, 0.1));
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.about-pillar h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--accent-dark);
}

.about-pillar p {
    font-size: 13px;
    line-height: 1.7;
    margin: 0;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .about-pillars {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-list {
    list-style: none;
    margin-top: 24px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(147, 112, 75, 0.1);
    color: var(--text-secondary);
    font-size: 14px;
}

.feature-list li::before {
    content: '▸';
    color: var(--accent-primary);
    font-weight: bold;
}

/* Timeline / Path */
.path-flow {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 40px;
    padding: 36px 28px 28px;
    background: rgba(147, 112, 75, 0.04);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
}

.path-flow-line {
    position: absolute;
    top: 60px;
    left: 14%;
    right: 14%;
    height: 2px;
    background: linear-gradient(90deg, #93704b, #4a6fa5, #6d5633);
    opacity: 0.3;
    z-index: 0;
}

.path-step {
    position: relative;
    z-index: 1;
    min-width: 0;
    text-align: center;
    padding: 8px 12px;
}

.path-step:not(:last-child)::after {
    display: none;
}

.path-num {
    width: 48px; height: 48px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin: 0 auto 16px;
    font-size: 18px;
    box-shadow: 0 4px 16px rgba(147, 112, 75, 0.12);
    transition: transform 0.3s, box-shadow 0.3s;
}

.path-step:hover .path-num {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(147, 112, 75, 0.2);
}

.path-step:nth-child(3) .path-num,
.path-step:nth-child(4) .path-num { border-color: var(--accent-tech); color: var(--accent-tech); }
.path-step:nth-child(5) .path-num { border-color: var(--accent-dark); color: var(--accent-dark); }

.path-step h4 { margin-bottom: 8px; }
.path-step p { font-size: 13px; color: var(--text-muted); }

/* Partners */
#partners .container {
    margin-bottom: 40px;
}

.partner-marquee-wrap {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.marquee-control-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    background: #fff;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.marquee-control-btn:hover,
.marquee-control-btn[aria-pressed="true"] {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(147, 112, 75, 0.06);
}

.partner-marquee {
    overflow: hidden;
    width: 100%;
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.partner-marquee-track {
    display: flex;
    gap: 20px;
    width: max-content;
    padding: 4px 0;
    animation: partner-marquee 45s linear infinite;
}

.partner-marquee:hover .partner-marquee-track:not(.is-paused) {
    animation-play-state: paused;
}

.partner-marquee-track.is-paused {
    animation-play-state: paused;
}

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

.partner-card {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 22px;
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    box-shadow: 0 4px 20px rgba(147, 112, 75, 0.06);
}

.partner-head {
    display: contents;
}

.partner-logo-wrap {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    padding: 6px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(147, 112, 75, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.partner-logo-wrap--dark {
    background: #f8f6f3;
}

.partner-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    filter: grayscale(100%);
    opacity: 0.72;
    transition: filter 0.35s, opacity 0.35s;
}

.partner-card:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 8px 32px rgba(201, 169, 98, 0.18);
    transform: translateY(-2px);
}

.partner-card:hover .partner-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.partner-card h3 {
    color: var(--accent-dark);
    font-size: 16px;
    margin: 0;
    line-height: 1.3;
    white-space: nowrap;
}

.partner-card-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.partner-card-metric {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-primary);
    line-height: 1.3;
    white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    .hero-canvas,
    .hero-glow,
    .hero-path,
    .hero-loop-track,
    .hero-loop-base,
    .hero-flow-dot,
    .hero-flow-dot-trail,
    .hero-flow-dot-desktop,
    .hero-flow-dot-mobile {
        display: none !important;
        animation: none !important;
    }

    .partner-marquee-track {
        animation: none;
        flex-wrap: nowrap;
        overflow-x: auto;
        width: 100%;
        padding: 4px 24px 12px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }

    .partner-marquee {
        mask-image: none;
        -webkit-mask-image: none;
    }

    .partner-card {
        scroll-snap-align: start;
    }

    .module-card-enter,
    .path-step:hover .path-num {
        animation: none !important;
        transform: none !important;
    }

    .glass-card,
    .news-card,
    .gallery-item,
    .platform-card,
    .module-card {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }

    .marquee-control-btn { display: none; }
}

/* News */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-card:hover {
    transform: translateY(-4px);
    border-color: rgba(147, 112, 75, 0.45);
    box-shadow: var(--shadow-glow);
}

.news-card--featured {
    border-color: rgba(74, 111, 165, 0.35);
    box-shadow: 0 8px 32px rgba(74, 111, 165, 0.1);
}

.news-card--featured .news-cover::after {
    content: '最新';
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    background: var(--accent-tech);
    border-radius: 50px;
    z-index: 2;
}

.news-cover-placeholder {
    width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, rgba(147, 112, 75, 0.1), rgba(74, 111, 165, 0.12));
    color: var(--accent-primary);
}

.news-cover-category {
    font-size: 13px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-glow);
    color: var(--accent-dark);
}

.news-cover {
    height: 200px;
    background: var(--bg-secondary);
    overflow: hidden;
    position: relative;
}

.news-cover img { width: 100%; height: 100%; object-fit: cover; }

.news-body { padding: 24px; }

.news-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 12px;
}

.news-category {
    color: var(--accent-primary);
    padding: 2px 10px;
    border: 1px solid var(--border-glow);
    border-radius: 20px;
}

.news-date { color: var(--text-muted); }

.news-wechat {
    margin-left: auto;
    color: #07c160;
    padding: 2px 10px;
    border: 1px solid rgba(7, 193, 96, 0.35);
    border-radius: 20px;
    font-weight: 500;
}

.news-body h3 { font-size: 18px; margin-bottom: 8px; line-height: 1.4; }
.news-body p { color: var(--text-secondary); font-size: 14px; }

/* Contact */
.contact-section {
    background: var(--bg-primary);
    border-top: 1px solid rgba(147, 112, 75, 0.08);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) minmax(380px, 1.2fr);
    gap: 32px;
    align-items: stretch;
}

.contact-grid .cooperation-info,
.contact-grid .contact-form {
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 24px rgba(147, 112, 75, 0.08);
}

.contact-grid .cooperation-info {
    padding: 32px 36px;
}

.contact-grid .cooperation-info-header {
    margin-bottom: 8px;
}

.contact-grid .cooperation-info-header h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.contact-grid .cooperation-info-header p {
    margin-bottom: 20px;
    line-height: 1.7;
}

.contact-grid .cooperation-info-body {
    flex: 1;
}

.contact-grid .cooperation-info-row {
    grid-template-columns: 72px 1fr;
    gap: 12px;
    padding: 16px 0;
}

.contact-grid .cooperation-info-row dd {
    word-break: break-word;
}

.contact-grid .cooperation-quick {
    margin-top: auto;
    padding-top: 24px;
    border-top: 1px solid rgba(147, 112, 75, 0.12);
}

.contact-grid .contact-form {
    padding: 32px 36px;
}

.contact-grid .contact-form .form-group {
    margin-bottom: 18px;
}

.contact-grid .contact-form .form-group textarea {
    min-height: 108px;
}

.contact-map-wrap {
    margin-top: 40px;
}

.contact-info h3 { font-size: 24px; margin-bottom: 24px; }

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-item-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    background: rgba(147, 112, 75, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--accent-primary);
}

.contact-item p { color: var(--text-secondary); font-size: 14px; }
.contact-item strong { display: block; color: var(--text-primary); margin-bottom: 4px; }

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(20px);
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea { min-height: 120px; resize: vertical; }

.form-label-hint {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 12px;
}

.file-upload { position: relative; }

.file-upload-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    pointer-events: none;
}

.file-upload-zone {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1.5px dashed rgba(147, 112, 75, 0.35);
    border-radius: 10px;
    background: rgba(147, 112, 75, 0.03);
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s, box-shadow 0.25s;
    text-align: left;
}

.file-upload-zone:hover,
.file-upload-zone.is-dragover {
    border-color: var(--accent-primary);
    background: rgba(147, 112, 75, 0.07);
    box-shadow: 0 0 0 3px rgba(147, 112, 75, 0.08);
}

.file-upload-zone[hidden] {
    display: none;
}

.file-upload-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(147, 112, 75, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.file-upload-text {
    flex: 1;
    min-width: 0;
}

.file-upload-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.4;
}

.file-upload-hint {
    font-size: 11px;
    color: var(--text-muted);
    margin: 2px 0 0;
    line-height: 1.3;
}

.file-upload-btn {
    flex-shrink: 0;
    padding: 6px 14px;
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    background: #fff;
    color: var(--accent-primary);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.file-upload-btn:hover {
    border-color: var(--accent-primary);
    background: rgba(147, 112, 75, 0.06);
}

.file-upload-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    background: #fff;
}

.file-upload-result[hidden] {
    display: none;
}

.file-upload-file {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.file-upload-file-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    color: var(--accent-primary);
}

.file-upload-name {
    font-size: 14px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-upload-remove {
    flex-shrink: 0;
    padding: 6px 14px;
    border: 1px solid rgba(147, 112, 75, 0.25);
    border-radius: 50px;
    background: transparent;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.file-upload-remove:hover {
    border-color: #e57373;
    color: #c62828;
    background: rgba(229, 115, 115, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(147, 112, 75, 0.08);
    border: 1px solid var(--accent-primary);
    color: var(--accent-dark);
}

.form-message.error {
    display: block;
    background: rgba(255, 60, 60, 0.1);
    border: 1px solid #ff3c3c;
    color: #ff6b6b;
}

/* Footer */
.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border-glow);
    padding: 64px 0 32px;
    background: var(--bg-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 40px 56px;
    margin-bottom: 40px;
    align-items: start;
}

.footer-brand .logo-footer { margin-bottom: 16px; }

.footer-slogan {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.5;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.7;
    max-width: 360px;
}

.footer-links h4 {
    font-size: 14px;
    margin-bottom: 16px;
    color: var(--accent-primary);
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    padding: 4px 0;
    transition: color 0.3s;
}

.footer-links a:hover { color: var(--text-primary); }
.footer-links p {
    color: var(--text-muted);
    font-size: 13px;
    padding: 4px 0;
    line-height: 1.65;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding-top: 28px;
    border-top: 1px solid rgba(147, 112, 75, 0.12);
    font-size: 13px;
    color: var(--text-muted);
    text-align: center;
}

.footer-beian {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px 20px;
}

.footer-icp,
.footer-psb {
    margin: 0;
}

.footer-icp a,
.footer-psb a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-icp a:hover,
.footer-psb a:hover { color: var(--text-secondary); }

.footer-psb a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 20px;
}

.footer-psb-icon {
    display: block;
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* News detail page */
.page-hero {
    padding: calc(var(--nav-height) + 60px) 0 40px;
    text-align: center;
}

.page-hero h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 16px; }

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px 100px;
}

.article-summary {
    margin: 16px auto 0;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    max-width: 720px;
}

.article-source-actions {
    margin-top: 24px;
    display: flex;
    justify-content: center;
}

.article-cover {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
}

.article-footer-actions {
    margin-top: 48px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.article-content img { max-width: 100%; border-radius: var(--radius); margin: 24px 0; }
.article-content .wx-video,
.article-content .wx-video-fallback {
    margin: 24px 0;
    padding: 16px;
    border: 1px dashed var(--border-glow);
    border-radius: var(--radius);
    background: rgba(147, 112, 75, 0.04);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}
.article-content .wx-video iframe,
.article-content .wx-video video {
    display: block;
    width: 100%;
    min-height: 240px;
    border: 0;
    border-radius: var(--radius);
}
.article-content .wx-video-fallback a { color: var(--accent-primary); }

.wx-video-card {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 28px 0;
    padding: 20px 22px;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(147, 112, 75, 0.08), rgba(74, 111, 165, 0.06));
}
.wx-video-card-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-primary);
    color: #fff;
    font-size: 18px;
    padding-left: 3px;
}
.wx-video-card-body strong {
    display: block;
    color: var(--text-primary);
    font-size: 16px;
    margin-bottom: 4px;
}
.wx-video-card-body p {
    margin: 0 0 12px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}
.wx-video-card-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 50px;
    background: var(--accent-primary);
    color: #fff !important;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}
.wx-video-card-btn:hover { opacity: 0.9; }
.wx-video-card-tip {
    font-size: 13px;
    color: var(--text-muted);
}

.article-content .wx-ocr-text {
    margin: 0 0 28px;
    padding: 18px 20px;
    border-left: 3px solid var(--accent-primary);
    background: rgba(147, 112, 75, 0.05);
    border-radius: 0 var(--radius) var(--radius) 0;
}
.article-content .wx-ocr-text p { margin-bottom: 12px; }
.article-content .wx-ocr-text p:last-child { margin-bottom: 0; }

.article-content h2, .article-content h3 { margin: 32px 0 16px; }
.article-content p { color: var(--text-secondary); margin-bottom: 16px; line-height: 1.8; }
.article-content ul { color: var(--text-secondary); padding-left: 24px; margin-bottom: 16px; }
.article-content li { margin-bottom: 8px; }

/* Gallery */
#gallery {
    background: var(--bg-secondary);
}

.gallery-item--empty {
    grid-column: 1 / -1;
    aspect-ratio: auto;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    background: rgba(147, 112, 75, 0.04);
    border: 1px dashed var(--border-glow);
    border-radius: var(--radius-lg);
}

.btn-icon { flex-shrink: 0; }

.map-title-icon {
    vertical-align: -3px;
    margin-right: 6px;
    color: var(--accent-primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    aspect-ratio: 16/10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-glow);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    background: var(--bg-card);
}

.gallery-item:hover {
    transform: translateY(-4px);
    border-color: rgba(147, 112, 75, 0.45);
    box-shadow: var(--shadow-glow);
}

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

/* Cooperation & Baidu Map */
#cooperation { padding-bottom: 64px; }

.cooperation-layout {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.cooperation-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: start;
}

.cooperation-info,
.cooperation-scope,
.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 40px;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-grid .cooperation-info::before {
    display: none;
}

.cooperation-info::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-main);
}

.cooperation-info-header h3 { font-size: 22px; margin-bottom: 8px; }
.cooperation-info-header p { color: var(--text-secondary); font-size: 14px; margin-bottom: 28px; }

.cooperation-info-list { display: grid; gap: 0; }

.cooperation-info-row {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(147, 112, 75, 0.1);
}

.cooperation-info-row:last-child { border-bottom: none; }
.cooperation-info-row dt { color: var(--text-muted); font-size: 13px; }
.cooperation-info-row dd { color: var(--text-primary); font-size: 14px; line-height: 1.6; }
.cooperation-info-row dd a { color: var(--accent-primary); text-decoration: none; }
.cooperation-info-row dd a:hover { opacity: 0.8; }

.cooperation-quick { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

.btn-sm { padding: 10px 20px; font-size: 13px; }

.cooperation-scope h3 { font-size: 18px; margin-bottom: 16px; }

.cooperation-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cooperation-tags li {
    padding: 8px 16px;
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 13px;
    color: var(--text-secondary);
    background: rgba(147, 112, 75, 0.06);
}

.cooperation-tags li:hover { border-color: var(--accent-primary); color: var(--accent-primary); }

.baidu-map-section { padding: 0; overflow: hidden; }

.baidu-map-header {
    padding: 24px 32px 16px;
    border-bottom: 1px solid var(--border-glow);
}

.baidu-map-header h3 { font-size: 18px; margin-bottom: 8px; }
.baidu-map-header p { color: var(--text-secondary); font-size: 14px; margin-bottom: 8px; }

.map-open-link { color: var(--accent-primary); font-size: 13px; text-decoration: none; }
.map-open-link:hover { text-decoration: underline; }

.baidu-map {
    width: 100%;
    height: 420px;
    background: var(--bg-secondary);
}

.baidu-map-placeholder,
.baidu-map-fallback {
    min-height: 200px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-muted);
    font-size: 14px;
    padding: 24px;
    text-align: center;
}

.baidu-map-placeholder,
.baidu-map-fallback:not([hidden]) {
    height: 100%;
    display: flex;
}

.baidu-map-fallback[hidden],
.baidu-map-status[hidden] {
    display: none !important;
}

.baidu-map-status {
    padding: 12px 32px;
    font-size: 13px;
    border-top: 1px solid var(--border-glow);
}

.baidu-map-status-loading { color: var(--accent-primary); }
.baidu-map-status-error { color: #ff6b6b; }

.contact-info-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 20px; }

.subject-picker { position: relative; }

.subject-picker-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 14px;
    cursor: pointer;
    text-align: left;
}

.subject-picker-trigger:hover,
.subject-picker-trigger[aria-expanded="true"] { border-color: var(--accent-primary); }

.subject-picker-arrow { color: var(--accent-primary); font-size: 12px; }

.subject-picker-menu {
    position: absolute;
    left: 0; right: 0;
    top: calc(100% + 6px);
    z-index: 20;
    list-style: none;
    margin: 0;
    padding: 6px;
    max-height: 280px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--border-glow);
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(147, 112, 75, 0.15);
}

.subject-picker-option {
    width: 100%;
    display: block;
    padding: 10px 12px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 14px;
    text-align: left;
    cursor: pointer;
}

.subject-picker-option:hover,
.subject-picker-option.active {
    background: rgba(147, 112, 75, 0.1);
    color: var(--accent-primary);
}

/* Section alt background */
.section-alt { background: var(--bg-secondary); }

.section-cta { text-align: center; margin-top: 40px; }

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

.platform-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(147, 112, 75, 0.08);
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0.6;
}

.platform-card[data-platform="collect"]::before { background: linear-gradient(90deg, #93704b, #aa9072); }
.platform-card[data-platform="label"]::before { background: linear-gradient(90deg, #4a6fa5, #6b8fc4); opacity: 0.8; }
.platform-card[data-platform="govern"]::before { background: linear-gradient(90deg, #6d5633, #93704b); }

.platform-card[data-platform="label"]:hover {
    border-color: rgba(74, 111, 165, 0.4);
    box-shadow: 0 8px 40px rgba(74, 111, 165, 0.12);
}

.platform-card:hover {
    transform: translateY(-6px);
    border-color: rgba(147, 112, 75, 0.4);
    box-shadow: var(--shadow-glow);
}

.platform-card-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.platform-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(147, 112, 75, 0.12), rgba(74, 111, 165, 0.1));
    border: 1px solid var(--border-glow);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.platform-card[data-platform="label"] .platform-icon-wrap {
    color: var(--accent-tech);
    background: linear-gradient(135deg, rgba(74, 111, 165, 0.12), rgba(147, 112, 75, 0.08));
}

.platform-icon {
    width: 22px;
    height: 22px;
    display: block;
}

.platform-card h3 { font-size: 20px; margin: 0; }
.platform-card > p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }

.platform-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.platform-tags li {
    font-size: 12px;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(147, 112, 75, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--accent-dark);
}

.section-empty .section-header p a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.section-empty .section-header p a:hover {
    text-decoration: underline;
}

.gallery-trigger {
    display: block;
    width: 100%;
    height: 100%;
    padding: 0;
    border: none;
    background: none;
    cursor: zoom-in;
}

.gallery-trigger img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s;
}

.gallery-item:hover .gallery-trigger img {
    transform: scale(1.04);
}

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.gallery-lightbox[hidden] {
    display: none;
}

.gallery-lightbox-backdrop {
    position: absolute;
    inset: 0;
    border: none;
    background: rgba(30, 20, 15, 0.82);
    cursor: pointer;
}

.gallery-lightbox-inner {
    position: relative;
    z-index: 1;
    max-width: min(1100px, 96vw);
    max-height: 90vh;
}

.gallery-lightbox-inner img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    display: block;
}

.gallery-lightbox-close {
    position: absolute;
    top: -44px;
    right: 0;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-primary);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}

.module-expand-btn {
    display: none;
    margin-top: 12px;
    padding: 0;
    border: none;
    background: none;
    color: var(--accent-primary);
    font-family: var(--font);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.module-expand-btn:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .module-card:not(.is-expanded) .module-desc {
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .module-expand-btn {
        display: inline-block;
    }

    .module-card.is-expanded .module-expand-btn {
        display: inline-block;
    }
}

@media (max-width: 380px) {
    .hero h1 {
        font-size: clamp(28px, 7.5vw, 36px);
    }

    .hero-title-line {
        white-space: nowrap;
    }
}

.platform-flow { display: none; }

.platform-flow-step {
    padding: 12px 28px;
    background: var(--gradient-main);
    color: #fff;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    box-shadow: 0 4px 16px rgba(147, 112, 75, 0.25);
}

.platform-flow-arrow {
    color: var(--accent-primary);
    font-size: 20px;
    font-weight: 700;
}

/* Modules */
.module-tabs {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.module-tab {
    padding: 10px 22px;
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.module-tab:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.module-tab.active {
    background: var(--gradient-main);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(147, 112, 75, 0.3);
}

.modules-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.module-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: transform 0.35s, border-color 0.35s, box-shadow 0.35s, opacity 0.35s;
    box-shadow: 0 4px 20px rgba(147, 112, 75, 0.06);
}

.module-card.module-card-enter {
    animation: moduleCardEnter 0.4s ease forwards;
}

@keyframes moduleCardEnter {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.module-card:hover {
    transform: translateY(-4px);
    border-color: rgba(147, 112, 75, 0.4);
    box-shadow: var(--shadow-glow);
}

.module-card.hidden {
    display: none;
}

.module-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.module-num {
    font-size: 28px;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.module-platform {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-primary);
    padding: 4px 10px;
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    background: rgba(147, 112, 75, 0.06);
}

.module-card h3 { font-size: 18px; margin-bottom: 10px; }
.module-desc { color: var(--text-secondary); font-size: 13px; line-height: 1.7; margin: 0; }

/* Responsive */
@media (max-width: 968px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .path-step:not(:last-child)::after { display: none; }
    .path-flow {
        grid-template-columns: repeat(2, 1fr);
        padding: 28px 20px 20px;
    }
    .path-flow-line { display: none; }
    .cooperation-grid { grid-template-columns: 1fr; }
    .platform-grid { grid-template-columns: 1fr; }
    .modules-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 32px;
    }
    .hero h1 { font-size: clamp(34px, 4.8vw, 56px); }
    .hero-visual-card { max-width: 380px; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0; right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 24px;
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.3s;
        border-bottom: 1px solid var(--border-glow);
    }
    .nav-links.active { transform: translateY(0); opacity: 1; }

    .hero {
        min-height: auto;
        align-items: flex-start;
        padding-top: calc(var(--nav-height) + 20px);
        padding-bottom: 48px;
    }

    .hero-canvas,
    .hero-glow { display: none; }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .hero-text {
        max-width: none;
        text-align: left;
    }

    .hero h1 {
        font-size: clamp(28px, 7.5vw, 40px);
        margin-bottom: 14px;
        line-height: 1.2;
    }

    .hero-title-line {
        white-space: normal;
        width: 100%;
        max-width: 100%;
    }

    .hero-desc {
        font-size: 15px;
        line-height: 1.65;
        margin-bottom: 24px;
        max-width: none;
    }

    .hero-actions {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 20px;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 13px 24px;
    }

    .hero-visual {
        order: 0;
        margin-top: 4px;
    }

    .hero-visual-card {
        max-width: 100%;
        padding: 0;
        background: transparent;
        border: none;
        box-shadow: none;
        backdrop-filter: none;
    }

    .hero-pipeline {
        display: block;
        max-width: 240px;
        margin: 0 auto;
    }

    /* 移动端轻量动画：虚线流动 + 单光点，无尾迹、无节点脉冲 */
    .hero-loop-track {
        display: block;
        opacity: 0.9;
        animation: heroPathFlow 3.5s linear infinite;
    }

    .hero-flow-dot {
        display: block;
    }

    .hero-flow-dot-desktop {
        display: none;
    }

    .hero-flow-dot-mobile {
        display: block;
    }

    .hero-flow-dot-trail {
        display: none;
    }

    .hero-node circle { animation: none; }
    .hero-flow-arrows { opacity: 0.4; }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 16px;
        margin-top: 28px;
        padding-top: 24px;
    }

    .stat-item {
        text-align: center;
        padding: 12px 8px;
        background: rgba(255, 255, 255, 0.7);
        border: 1px solid rgba(147, 112, 75, 0.1);
        border-radius: var(--radius);
    }

    .stat-item h3 { font-size: 26px; }
    .stat-item p { font-size: 12px; line-height: 1.4; }

    section { padding: 56px 0; }
    .section-header { margin-bottom: 36px; }
    .form-row { grid-template-columns: 1fr; }
    .cooperation-info, .cooperation-scope, .contact-info-card { padding: 24px 20px; }
    .cooperation-info-row { grid-template-columns: 1fr; gap: 4px; }
    .cooperation-quick { flex-direction: column; }
    .cooperation-quick .btn { width: 100%; justify-content: center; }
    .baidu-map-header { padding: 20px 18px 14px; }
    .baidu-map { height: 280px; }
    .gallery-grid { grid-template-columns: 1fr; }
    .modules-grid { grid-template-columns: 1fr; }
    .module-tabs { gap: 8px; }
    .module-tab { padding: 8px 16px; font-size: 13px; }
    .path-flow { grid-template-columns: 1fr; }
}