/* 基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #22c55e;
    --primary-dark: #16a34a;
    --secondary-color: #1e293b;
    --accent-color: #84cc16;
    --text-light: #f1f5f9;
    --text-dark: #1e293b;
    --bg-dark: #0f172a;
    --bg-light: #f8fafc;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='7' fill='white' stroke='%23333' stroke-width='0.5'/%3E%3C/svg%3E") 8 8, auto;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.scroll-reveal-rotate {
    opacity: 0;
    transform: rotate(-10deg) scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal-rotate.active {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.loader-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 30px;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.loader-bar {
    width: 200px;
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    overflow: hidden;
}

.loader-progress {
    height: 100%;
    background: white;
    border-radius: 2px;
    animation: loading 2s ease-in-out forwards;
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

.cursor-dot {
    position: fixed;
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.15s ease, opacity 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
}

.cursor-dot:hover {
    transform: scale(1.5);
}

.click-ripple {
    position: fixed;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    animation: rippleEffect 0.6s ease-out forwards;
}

.click-ripple.green {
    background: #22c55e;
}

@keyframes rippleEffect {
    0% {
        transform: scale(1);
        opacity: 0.9;
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.8);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 6px 2px rgba(255, 255, 255, 0.5);
    }
    100% {
        transform: scale(5);
        opacity: 0;
        box-shadow: 0 0 8px 2px rgba(255, 255, 255, 0.3);
    }
}

.click-ripple.green {
    animation-name: rippleEffectGreen;
}

@keyframes rippleEffectGreen {
    0% {
        transform: scale(1);
        opacity: 0.9;
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.8);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 6px 2px rgba(34, 197, 94, 0.5);
    }
    100% {
        transform: scale(5);
        opacity: 0;
        box-shadow: 0 0 8px 2px rgba(34, 197, 94, 0.3);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-logo .logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    animation: leafPulse 2s ease-in-out infinite;
}

@keyframes leafPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
    cursor: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: none;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: visible;
    z-index: 1;
    scroll-snap-align: start;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-bg-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: center/cover no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: transform;
}

.hero-bg-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.25);
    z-index: 1;
}

.hero-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 45%;
    background: linear-gradient(
        to top,
        rgba(22, 163, 74, 1) 0%,
        rgba(22, 163, 74, 0.7) 30%,
        rgba(22, 163, 74, 0.4) 50%,
        rgba(22, 163, 74, 0.1) 75%,
        rgba(22, 163, 74, 0) 100%
    );
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease-out;
}

.hero-gradient.scrolled {
    opacity: 1;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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='%2322c55e' fill-opacity='0.03'%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");
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 20px;
}

.hero-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 10px;
}

.stat-divider {
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.3);
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.title-en {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--primary-color);
    letter-spacing: 12px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out;
}

.title-zh {
    font-size: 4.5rem;
    font-weight: 700;
    color: var(--text-light);
    margin-top: 8px;
    animation: fadeInUp 1s ease-out 0.3s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-slogan {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    animation: fadeInUp 1s ease-out 0.6s both;
    letter-spacing: 6px;
    margin-top: 5px;
}

.hero-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 500px;
    margin: 0 auto 35px;
    animation: fadeInUp 1s ease-out 0.9s both;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.9s both;
    margin-top: 10px;
}

.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
    cursor: none;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 
        0 4px 15px rgba(34, 197, 94, 0.4),
        0 0 20px rgba(34, 197, 94, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 8px 30px rgba(34, 197, 94, 0.6),
        0 0 40px rgba(34, 197, 94, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(-2px) scale(0.98);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-4px) scale(1.02);
    box-shadow: 
        0 8px 25px rgba(34, 197, 94, 0.5),
        0 0 30px rgba(34, 197, 94, 0.3);
}

.btn-secondary:active {
    transform: translateY(-2px) scale(0.98);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 60px;
    animation: fadeInUp 1s ease-out 1.5s both;
    flex-wrap: wrap;
    justify-content: center;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 8px;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    animation: bounce 2s ease-in-out infinite;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.scroll-indicator.hidden {
    opacity: 0;
    pointer-events: none;
}

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

/* 通用区块样式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #64748b;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: #16a34a;
    position: relative;
    scroll-snap-align: start;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about .section-title,
.about .section-subtitle {
    color: white;
}

.about .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: white;
}

.about-text p {
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.05rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.feature-item:hover::before {
    left: 100%;
}

.feature-item:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.4);
}

.feature-item i {
    color: white;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.feature-item:hover i {
    transform: scale(1.15);
    color: #FFD700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.6);
}

.feature-item span {
    font-weight: 600;
    color: white;
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.feature-item:hover span {
    color: #FFD700;
}

.about-image {
    position: relative;
}

.image-carousel {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 400px;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-out;
}

.carousel-slide {
    position: relative;
    min-width: 100%;
    height: 400px;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.carousel-slide:hover img {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(132, 204, 22, 0.1) 100%);
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: none;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.2);
}

/* 入队要求 */
.requirements {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
}

.requirements .section-title,
.requirements .section-subtitle {
    color: var(--text-light);
}

.requirements-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.requirement-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
    overflow: hidden;
}

.requirement-card:hover {
    background: rgba(34, 197, 94, 0.1) !important;
    border-color: var(--primary-color) !important;
    transform: translateY(-15px) scale(1.02) !important;
    box-shadow: 0 20px 50px rgba(34, 197, 94, 0.4) !important;
}

.requirement-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.requirement-card h3 {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.requirement-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.requirement-card.highlight {
    border-color: var(--accent-color);
    background: linear-gradient(135deg, rgba(132, 204, 22, 0.1) 0%, rgba(34, 197, 94, 0.1) 100%);
}

.requirement-card.highlight .requirement-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    animation: pulse 2s ease-in-out infinite;
}

.requirements-note {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(132, 204, 22, 0.1) 100%);
    border-radius: 15px;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.requirements-note p {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
}

.requirements-note strong {
    color: var(--accent-color);
    font-size: 1.3rem;
}

.requirements-note a {
    color: var(--accent-color);
    font-size: 1.3rem;
    font-weight: 600;
    text-decoration: none;
    cursor: none !important;
    transition: all 0.3s ease;
}

.requirements-note a:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(34, 197, 94, 0.5);
    cursor: none !important;
}

/* 联运截图 */
.gallery {
    padding: 100px 0;
    background: var(--bg-light);
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%2322c55e' stroke='white' stroke-width='1'/%3E%3C/svg%3E") 8 8, auto;
    scroll-snap-align: start;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%2322c55e' stroke='white' stroke-width='1'/%3E%3C/svg%3E") 8 8, auto;
    aspect-ratio: 16/9;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

.gallery-item:hover {
    transform: translateY(-15px) scale(1.02) !important;
    box-shadow: 0 20px 50px rgba(34, 197, 94, 0.4) !important;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    gap: 10px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: var(--primary-color);
    font-size: 2rem;
}

.gallery-overlay span {
    color: var(--text-light);
    font-weight: 600;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
    z-index: 2;
    pointer-events: none;
}

.gallery-item:hover::before {
    left: 100%;
}

.requirement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
    z-index: 1;
    pointer-events: none;
    border-radius: 15px;
    opacity: 0;
}

.requirement-card:hover::before {
    left: 100%;
    opacity: 1;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s ease;
    z-index: 1;
    pointer-events: none;
    border-radius: 18px;
    opacity: 0;
}

.info-card:hover::before {
    left: 100%;
    opacity: 1;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
    z-index: 1;
    pointer-events: none;
    border-radius: 24px;
    opacity: 0;
}

.contact-hero:hover::before {
    left: 100%;
    opacity: 1;
}

/* 灯箱 */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox:target {
    display: block;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    border-radius: 10px;
    animation: zoomIn 0.3s ease;
}

.lightbox-content.fade-out {
    animation: fadeOut 0.2s ease forwards;
}

.lightbox-content.fade-in {
    animation: fadeIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: 50px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: var(--transition);
    cursor: none;
}

.lightbox-close:hover {
    color: var(--primary-color);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    padding: 15px;
    cursor: none;
    transition: var(--transition);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(34, 197, 94, 0.5);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* 联系我们 */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
}

.contact-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.contact-ray {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%,
        transparent 0deg,
        rgba(255,255,255,0.06) 30deg,
        transparent 60deg,
        rgba(255,255,255,0.04) 120deg,
        transparent 150deg,
        rgba(255,255,255,0.06) 210deg,
        transparent 240deg,
        rgba(255,255,255,0.04) 300deg,
        transparent 330deg,
        transparent 360deg);
    animation: rotateRay 30s linear infinite;
}

@keyframes rotateRay {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.contact-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(60px); }
}

.contact-shape {
    position: absolute;
    opacity: 0.15;
}

.contact-shape:nth-child(1) {
    top: 10%;
    left: 10%;
    width: 80px;
    height: 80px;
    border: 2px solid white;
    transform: rotate(45deg);
    animation: shapeFloat1 8s ease-in-out infinite;
}

.contact-shape:nth-child(2) {
    top: 20%;
    right: 15%;
    width: 60px;
    height: 60px;
    background: white;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation: shapeFloat2 6s ease-in-out infinite;
}

.contact-shape:nth-child(3) {
    bottom: 25%;
    left: 20%;
    width: 100px;
    height: 100px;
    border: 2px solid white;
    border-radius: 50%;
    animation: shapeFloat3 10s ease-in-out infinite;
}

.contact-shape:nth-child(4) {
    bottom: 15%;
    right: 10%;
    width: 50px;
    height: 50px;
    background: white;
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    animation: shapeFloat1 7s ease-in-out infinite reverse;
}

.contact-shape:nth-child(5) {
    top: 50%;
    left: 5%;
    width: 70px;
    height: 70px;
    border: 2px solid white;
    transform: rotate(30deg);
    animation: shapeFloat2 9s ease-in-out infinite;
}

.contact-shape:nth-child(6) {
    top: 40%;
    right: 8%;
    width: 40px;
    height: 40px;
    background: white;
    animation: shapeFloat3 5s ease-in-out infinite;
}

@keyframes shapeFloat1 {
    0%, 100% { transform: rotate(45deg) translateY(0) scale(1); }
    50% { transform: rotate(45deg) translateY(-20px) scale(1.05); }
}

@keyframes shapeFloat2 {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.1); }
}

@keyframes shapeFloat3 {
    0%, 100% { transform: scale(1); opacity: 0.15; }
    50% { transform: scale(1.2); opacity: 0.25; }
}

.contact-bubble {
    position: absolute;
    display: block;
    width: 20px;
    height: 20px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: bubbleRise 12s linear infinite;
}

.contact-bubble:nth-child(1) { left: 5%; animation-delay: 0s; animation-duration: 14s; width: 15px; height: 15px; }
.contact-bubble:nth-child(2) { left: 15%; animation-delay: 2s; animation-duration: 16s; width: 25px; height: 25px; }
.contact-bubble:nth-child(3) { left: 25%; animation-delay: 4s; animation-duration: 12s; }
.contact-bubble:nth-child(4) { left: 35%; animation-delay: 1s; animation-duration: 18s; width: 30px; height: 30px; }
.contact-bubble:nth-child(5) { left: 45%; animation-delay: 3s; animation-duration: 15s; }
.contact-bubble:nth-child(6) { left: 55%; animation-delay: 5s; animation-duration: 13s; width: 20px; height: 20px; }
.contact-bubble:nth-child(7) { left: 65%; animation-delay: 0s; animation-duration: 17s; width: 28px; height: 28px; }
.contact-bubble:nth-child(8) { left: 75%; animation-delay: 2s; animation-duration: 14s; }
.contact-bubble:nth-child(9) { left: 85%; animation-delay: 4s; animation-duration: 16s; width: 22px; height: 22px; }
.contact-bubble:nth-child(10) { left: 95%; animation-delay: 1s; animation-duration: 12s; width: 18px; height: 18px; }

@keyframes bubbleRise {
    0% {
        bottom: -30px;
        opacity: 0;
        transform: translateX(0) scale(0.5);
    }
    10% {
        opacity: 0.8;
    }
    50% {
        transform: translateX(30px) scale(1);
    }
    90% {
        opacity: 0.6;
    }
    100% {
        bottom: 100%;
        opacity: 0;
        transform: translateX(-30px) scale(0.8);
    }
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(255,255,255,0.1) 0%, transparent 40%);
    pointer-events: none;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.contact .section-title,
.contact .section-subtitle {
    color: white;
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.contact-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 40px 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    gap: 40px;
    overflow: hidden;
    position: relative;
}

.hero-qr {
    display: flex;
    align-items: center;
    gap: 30px;
}

.qr-frame {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.qr-inner {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-inner i {
    font-size: 2rem;
    color: white;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hero-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
}

.hero-number {
    font-size: 2.2rem;
    font-weight: 700;
    color: white;
    letter-spacing: 1px;
}

.hero-hint {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.join-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    background: white;
    color: var(--primary-dark);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    cursor: none;
}

.join-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Ccircle cx='8' cy='8' r='7' fill='%2322c55e' stroke='white' stroke-width='1'/%3E%3C/svg%3E") 8 8, auto;
}

.join-btn i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.join-btn:hover i {
    transform: translateX(4px);
}

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

.info-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: 18px;
    padding: 28px 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    cursor: none;
    overflow: hidden;
}

.info-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.info-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.info-icon i {
    font-size: 1.3rem;
    color: white;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.info-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
}

.info-value {
    font-size: 1.05rem;
    font-weight: 600;
    color: white;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.social-item {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1.4rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.15);
    cursor: none;
}

.social-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.footer-bubble {
    position: absolute;
    bottom: -50px;
    width: 20px;
    height: 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    animation: footerBubble 12s ease-in-out infinite;
}

.footer-bubble:nth-child(2) { left: 5%; animation-delay: 0s; width: 15px; height: 15px; }
.footer-bubble:nth-child(3) { left: 25%; animation-delay: 3s; width: 25px; height: 25px; }
.footer-bubble:nth-child(4) { left: 50%; animation-delay: 1s; width: 20px; height: 20px; }
.footer-bubble:nth-child(5) { left: 75%; animation-delay: 4s; width: 18px; height: 18px; }
.footer-bubble:nth-child(6) { left: 90%; animation-delay: 2s; width: 22px; height: 22px; }

@keyframes footerBubble {
    0% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) translateX(30px); opacity: 0; }
}

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

.footer-main {
    display: flex;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand {
    flex: 1;
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.footer-logo-text {
    display: flex;
    flex-direction: column;
}

.footer-logo-cn {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-logo-en {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.footer-slogan {
    color: white;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.footer-desc {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-links-group {
    flex: 1.5;
    display: flex;
    gap: 40px;
}

.footer-column {
    flex: 1;
}

.footer-column h4 {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: white;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.95rem;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    cursor: none;
}

.footer-column a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.footer-social .social-item {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    transition: all 0.3s ease;
    cursor: none;
}

.footer-social .social-item:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
}

.footer-divider {
    width: 100%;
    max-width: 800px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    margin: 0 auto 20px;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .footer-main {
        flex-direction: column;
        gap: 40px;
    }

    .footer-brand {
        max-width: 100%;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-links-group {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-column {
        min-width: 150px;
        text-align: center;
    }

    .footer-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-column a:hover {
        transform: none;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 60px 0 30px;
    }

    .footer-links-group {
        flex-direction: column;
        align-items: center;
    }

    .footer-social .social-item {
        width: 45px;
        height: 45px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 30px;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .contact-grid {
        gap: 30px;
    }

    .contact-hero {
        flex-direction: column;
        padding: 30px;
        text-align: center;
        gap: 30px;
    }

    .hero-qr {
        flex-direction: column;
        gap: 20px;
    }

    .hero-number {
        font-size: 1.8rem;
    }

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

    .social-links {
        gap: 12px;
    }

    .social-item {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    .title-zh {
        font-size: 2.5rem;
    }

    .title-en {
        font-size: 1rem;
        letter-spacing: 4px;
    }

    .hero-slogan {
        font-size: 1.3rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

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

    .btn {
        width: 200px;
        justify-content: center;
    }

    .contact-hero {
        padding: 24px;
    }

    .join-btn {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    .info-card {
        padding: 22px 20px;
    }
}