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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --accent-gold: #d4af37;
    --accent-gold-light: #f5d76e;
    --accent-gradient: linear-gradient(135deg, #d4af37 0%, #f5d76e 50%, #d4af37 100%);
    --border-color: #2a2a2a;
    --border-gold: rgba(212, 175, 55, 0.3);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 30px rgba(212, 175, 55, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Serif SC', serif;
    font-weight: 700;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo .logo-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 24px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-gold);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 10, 0.98);
    z-index: 999;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.mobile-menu.active {
    display: flex;
}

.mobile-nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.mobile-nav-link:hover {
    color: var(--accent-gold);
}

.hero {
    height: 100vh;
    min-height: 700px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, #0a0a0a 0%, #111 50%, #0a0a0a 100%);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent-gold);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-100px) translateX(50px);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
}

.hero-subtitle {
    font-size: 14px;
    letter-spacing: 4px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 30px;
}

.hero-title {
    font-size: clamp(40px, 8vw, 80px);
    line-height: 1.2;
    margin-bottom: 30px;
    font-weight: 900;
}

.title-accent {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-slogan {
    font-size: clamp(18px, 3vw, 28px);
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 300;
}

.hero-slogan-en {
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 2px;
    margin-bottom: 60px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--text-muted);
    font-size: 12px;
    letter-spacing: 2px;
    transform: translate(-40px, 80px);
}

.scroll-mouse {
    width: 26px;
    height: 42px;
    border: 2px solid var(--text-muted);
    border-radius: 13px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-gold);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

.animate-fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

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

.section {
    padding: 120px 0;
    position: relative;
}

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

.section-number {
    font-family: 'Noto Serif SC', serif;
    font-size: 100px;
    font-weight: 900;
    background: linear-gradient(180deg, rgba(212, 175, 55, 0.15) 0%, transparent 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.section-line {
    width: 60px;
    height: 3px;
    background: var(--accent-gradient);
    margin: 0 auto;
    border-radius: 2px;
}

.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.about-subtitle {
    font-size: 20px;
    color: var(--accent-gold);
    margin-bottom: 15px;
    font-weight: 600;
    letter-spacing: 2px;
}

.about-tagline {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 25px;
    line-height: 1.4;
}

.about-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 100px;
}

.highlight-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.highlight-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.highlight-card:hover::before {
    transform: scaleX(1);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
}

.highlight-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.highlight-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.highlight-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.core-advantages {
    margin-bottom: 100px;
}

.advantages-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.advantage-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.4s ease;
}

.advantage-item:hover {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.advantage-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.advantage-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 48px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.advantage-header h4 {
    font-size: 32px;
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    padding-left: 68px;
}

.business-section {
    margin-bottom: 40px;
}

.business-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 60px;
}

.business-grid {
    display: grid;
    grid-template-columns: 42% 40%; /* 左侧宽度、右侧盒子宽度，按需调 */
    gap: 30px;
    /* 核心居中 */
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.business-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    transition: all 0.4s ease;
    position: relative;
}

.business-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-5px);
}

.business-card.main-business {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(212, 175, 55, 0.05) 100%);
    border-color: var(--border-gold);
}

.business-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-gradient);
    color: #0a0a0a;
    font-size: 12px;
    font-weight: 700;
    border-radius: 20px;
    margin-bottom: 20px;
}

.business-card h4 {
    font-size: 35px;
    margin-bottom: 15px;
}

.business-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.business-image {
    margin-top: 25px;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16/9;
}

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

.cases {
    background: var(--bg-secondary);
}

.case-featured {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 60px;
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.case-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
}

.case-featured-header {
    text-align: center;
    margin-bottom: 40px;
}

.case-tag {
    display: inline-block;
    padding: 8px 24px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    font-size: 30px;
    font-weight: 600;
    border-radius: 20px;
    border: 1px solid var(--border-gold);
    margin-bottom: 20px;
}

.case-featured-header h3 {
    font-size: 42px;
    margin-bottom: 10px;
}

.case-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

.case-featured-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Noto Serif SC', serif;
    font-size: 72px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-unit {
    font-size: 24px;
    color: var(--accent-gold);
    font-weight: 600;
    margin-left: 5px;
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 10px;
}

.case-featured-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.case-img-wrapper {
    aspect-ratio: 3/4;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.case-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-img-wrapper:hover img {
    transform: scale(1.05);
}

.case-section-title {
    font-size: 32px;
    margin-bottom: 40px;
    text-align: center;
}

.case-card-large {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 50px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.case-card-content h4 {
    font-size: 28px;
    margin-bottom: 15px;
}

.case-desc {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 30px;
    line-height: 1.8;
}

.case-stats-row {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.case-stat {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid var(--accent-gold);
}

.case-stat-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
    margin-bottom: 5px;
}

.case-stat-label {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.case-stat-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.case-card-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    align-content: start;
}

.case-card-images img {
    width: 100%;
    aspect-ratio: 2/3;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.case-card-images img:hover {
    transform: scale(1.03);
}

.case-analysis {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid var(--border-gold);
    border-radius: 12px;
    padding: 40px;
    margin-bottom: 80px;
}

.case-analysis h5 {
    font-size: 18px;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.case-analysis p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.case-overseas {
    margin-bottom: 80px;
}

.case-overseas-desc {
    text-align: center;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 15px;
    line-height: 1.8;
}

.overseas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.overseas-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.overseas-card:hover {
    transform: translateY(-10px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.overseas-img {
    aspect-ratio: 3/4;
    overflow: hidden;
}

.overseas-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.overseas-card:hover .overseas-img img {
    transform: scale(1.05);
}

.overseas-info {
    padding: 25px;
}

.overseas-num {
    font-family: 'Noto Serif SC', serif;
    font-size: 14px;
    color: var(--accent-gold);
    font-weight: 700;
    letter-spacing: 2px;
}

.overseas-info h4 {
    font-size: 18px;
    margin: 10px 0 8px;
}

.overseas-en {
    font-size: 12px;
    color: var(--text-muted);
    font-style: italic;
    margin-bottom: 10px;
}

.overseas-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.case-demo {
    margin-bottom: 80px;
}

.case-demo-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.demo-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.demo-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
}

.demo-img {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.demo-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.demo-card:hover .demo-img img {
    transform: scale(1.05);
}

.demo-tag {
    display: inline-block;
    margin: 15px 20px 10px;
    padding: 4px 12px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--accent-gold);
    font-size: 11px;
    border-radius: 4px;
}

.demo-card h4 {
    font-size: 15px;
    padding: 0 20px 20px;
    line-height: 1.5;
}

.case-brand {
    margin-bottom: 40px;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.brand-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.brand-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
}

.brand-img {
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-secondary);
}

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

.brand-info {
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.brand-info span {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.brand-name {
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 12px !important;
}

.team-intro {
    text-align: center;
    margin-bottom: 80px;
}

.team-intro h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.team-intro > p {
    color: var(--text-secondary);
    white-space: nowrap;
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 15px;
    line-height: 1.8;
}

.team-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.team-stat {
    text-align: center;
}

.team-stat img {
    width: 50px;
    height: 50px;
    margin-bottom: 15px;
    filter: brightness(0) invert(68%) sepia(80%) saturate(340%) hue-rotate(359deg) brightness(105%) contrast(88%);
}

.team-stat span {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
    margin-bottom: 8px;
}

.team-stat p {
    color: var(--text-secondary);
    font-size: 14px;
}

.team-members {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.member-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 50px;
    display: grid;
    grid-template-columns: 200px 1fr auto;
    gap: 40px;
    transition: all 0.4s ease;
}

.member-card:hover {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.member-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--border-gold);
}

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

.member-info h4 {
    font-size: 28px;
    margin-bottom: 8px;
}
.member-info {
    grid-column: 2;
    grid-row: 1;
}
.member-role {
    display: inline-block;
    color: var(--accent-gold);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.member-bio {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.member-works h5 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--accent-gold);
}

.member-works ul {
    list-style: none;
    padding: 0;
}

.member-works li {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.8;
    padding-left: 20px;
    position: relative;
}

.member-works li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--accent-gold);
    border-radius: 50%;
}

.member-images {
    grid-column: 1 / -1; /* 占满所有列 */
    grid-row: 2;
    display: flex;
    gap: 16px;
    justify-content: flex-start;
}

.member-images img {
    width: 300px;
    height: auto;
    border-radius: 6px;
    object-fit: cover;
}

.member-images img:hover {
    transform: scale(1.05);
}

.capacity-intro {
    text-align: center;
    margin-bottom: 60px;
}

.capacity-intro h3 {
    font-size: 32px;
    margin-bottom: 20px;
}

.capacity-intro p {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    font-size: 15px;
    line-height: 1.8;
}

.capacity-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.capacity-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 60px 30px;
    text-align: center;
    transition: all 0.4s ease;
}

.capacity-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
}

.capacity-card.highlight {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(212, 175, 55, 0.08) 100%);
    border-color: var(--border-gold);
}

.capacity-label {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-weight: 500;
}

.capacity-big-num {
    margin-bottom: 20px;
}

.num-range {
    font-family: 'Noto Serif SC', serif;
    font-size: 56px;
    font-weight: 900;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.num-unit {
    font-size: 20px;
    color: var(--accent-gold);
    margin-left: 8px;
    font-weight: 600;
}

.capacity-desc {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.6;
}

.genres-section {
    margin-bottom: 80px;
}

.genres-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 50px;
}

.genres-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 10px;
}

.genre-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 30px;
    text-align: center;
    transition: all 0.4s ease;
}

.genre-card:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.genre-card:hover img {
    transform: scale(1.1); /* 1.08=放大8%，数值越大放得越大 */
}

.genre-card img {
    width: 130px;
    height: 500px;
    border-radius: 12px;
    margin-bottom: 20px;
    object-fit: cover;
    transition: transform 0.3s ease; /* 平滑动画 */
    transform: scale(1);
}

.genre-card span {
    font-size: 25px;
    color: var(--text-primary);
    font-weight: 500;
}

.assets-section {
    margin-bottom: 80px;
}

.assets-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 60px;
}

.asset-project {
    margin-bottom: 60px;
}

.asset-project:last-child {
    margin-bottom: 0;
}

.asset-project h4 {
    font-size: 22px;
    margin-bottom: 30px;
    text-align: center;
    color: var(--accent-gold);
}

.asset-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.asset-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.asset-item:hover {
    transform: translateY(-5px);
    border-color: var(--border-gold);
}

.asset-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.asset-item span {
    display: block;
    padding: 15px;
    font-size: 13px;
    text-align: center;
    color: var(--text-secondary);
}

.education-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
}

.edu-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
}

.edu-item h4 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--accent-gold);
}

.edu-item p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.edu-quote {
    margin-top: 20px;
    padding: 20px;
    background: rgba(212, 175, 55, 0.1);
    border-left: 3px solid var(--accent-gold);
    font-family: 'Noto Serif SC', serif;
    font-size: 16px !important;
    color: var(--accent-gold) !important;
    font-weight: 600;
}

.awards-section {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 50px;
}

.awards-section h4 {
    font-size: 22px;
    margin-bottom: 30px;
    text-align: center;
}

.awards-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.award-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    transition: all 0.3s ease;
}

.award-item:hover {
    border-color: var(--border-gold);
}

.award-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    color: var(--accent-gold);
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

.award-item p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.7;
}

.partners {
    background: var(--bg-secondary);
}

.partners-intro {
    text-align: center;
    margin-bottom: 80px;
}

.partners-intro h3 {
    font-size: 32px;
    margin-bottom: 25px;
}

.partners-intro > p {
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 25px;
    font-size: 15px;
    line-height: 1.8;
}

.partners-slogan {
    font-family: 'Noto Serif SC', serif;
    font-size: 16px;
    color: var(--accent-gold);
    letter-spacing: 2px;
    font-weight: 600;
}

.brand-coop-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 20px;
}

.brand-coop-desc {
    text-align: center;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 50px;
    font-size: 15px;
    line-height: 1.8;
}

.brand-coop-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
}

.brand-coop-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.brand-coop-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-gold);
}

.brand-coop-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.brand-coop-info {
    padding: 20px;
}

.brand-coop-info h4 {
    font-size: 14px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.brand-coop-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.footer {
    background: #050505;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 10px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand > p {
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 5px;
}

.footer-slogan {
    color: var(--text-secondary) !important;
    margin-top: 15px !important;
    font-size: 14px !important;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-gold);
}

.footer-contact p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 12px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .about-intro {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .about-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .case-featured-images {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-card-large {
        grid-template-columns: 1fr;
    }
    
    .overseas-grid,
    .demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .brand-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .member-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .member-avatar {
        margin: 0 auto;
    }

    .member-images {
        flex-direction: row;
        max-width: 100%;
        justify-content: center;
    }
    
    .capacity-stats {
        grid-template-columns: 1fr;
    }
    
    .genres-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .asset-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .education-section {
        grid-template-columns: 1fr;
    }
    
    .awards-list {
        grid-template-columns: 1fr;
    }
    
    .brand-coop-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .section-number {
        font-size: 60px;
        top: -20px;
    }
    
    .about-highlights {
        grid-template-columns: 1fr;
    }
    
    .case-featured {
        padding: 30px 20px;
    }
    
    .case-featured-header h3 {
        font-size: 28px;
    }
    
    .case-featured-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .case-featured-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .overseas-grid,
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .member-card {
        padding: 30px 20px;
    }
    
    .genres-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .asset-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .brand-coop-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .num-range {
        font-size: 40px;
    }
}
/* 遮罩全屏，居中大图 */
.img-preview {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.92);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
}
/* 打开弹窗 */
.img-preview.open {
    display: flex;
}
/* 大图限制尺寸，绝不超出屏幕 */
#previewImg {
    max-width: 92vw;
    max-height: 92vh;
    object-fit: contain;
    border-radius: 8px;
    cursor: default;
}