/* ===== 全局样式 ===== */
:root {
    --primary: #8B7355;
    --primary-dark: #6B5344;
    --primary-light: #A89070;
    --secondary: #F5F0EB;
    --accent: #C4956A;
    --text-dark: #3D3228;
    --text-light: #8B7D6B;
    --white: #FFFAF5;
    --bg-light: #F5F0EB;
    --bg-coffee: #E8DDD3;
    --border: #D4C4B5;
    --shadow: 0 4px 6px -1px rgba(139, 115, 85, 0.1), 0 2px 4px -1px rgba(139, 115, 85, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(139, 115, 85, 0.15), 0 4px 6px -2px rgba(139, 115, 85, 0.1);
    --transition: all 0.3s ease;
    --coffee-gradient: linear-gradient(135deg, #E8DDD3 0%, #F5F0EB 50%, #FFFAF5 100%);
}

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

html {
    scroll-behavior: smooth;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ===== 视频展示区域 ===== */
.video-showcase {
    position: relative;
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
    padding: 100px 0;
    overflow: hidden;
}

.video-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        url('https://images.unsplash.com/photo-1501594907352-04cda38ebc29?w=1920&q=80'),
        url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}

/* 港口装饰 */
.video-decoration {
    position: absolute;
    opacity: 0.1;
}

.video-decoration-1 {
    top: 10%;
    right: 5%;
    width: 150px;
    height: 150px;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?w=400&q=80');
    background-size: cover;
    border-radius: 50%;
    filter: blur(2px);
}

.video-decoration-2 {
    bottom: 15%;
    left: 3%;
    width: 100px;
    height: 100px;
    background: url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=300&q=80');
    background-size: cover;
    border-radius: 50%;
    filter: blur(3px);
}

.video-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.video-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(139, 115, 85, 0.25);
}

.video-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 3px solid var(--primary-light);
    border-radius: 20px;
    pointer-events: none;
    z-index: 2;
}

.video-iframe {
    width: 100%;
    height: 400px;
    border: none;
    background: var(--bg-coffee);
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.9), rgba(107, 83, 68, 0.95));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.video-play-overlay:hover {
    background: linear-gradient(135deg, rgba(107, 83, 68, 0.95), rgba(139, 115, 85, 0.9));
}

.play-btn {
    width: 100px;
    height: 100px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.play-btn i {
    font-size: 36px;
    color: var(--primary);
    margin-left: 6px;
}

.video-play-overlay:hover .play-btn {
    transform: scale(1.1);
    box-shadow: 0 15px 50px rgba(0,0,0,0.3);
}

.play-text {
    color: var(--white);
    font-size: 18px;
    font-weight: 500;
}

.video-intro {
    padding: 20px 0;
}

.video-intro h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.video-intro h2 span {
    color: var(--primary);
}

.video-intro p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.video-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--white);
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.highlight-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    font-size: 22px;
    color: var(--white);
}

.highlight-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.highlight-content p {
    font-size: 14px;
    color: var(--text-light);
    margin: 0;
}

/* 视频装饰元素 */
.video-decoration {
    position: absolute;
    width: 300px;
    height: 300px;
    border: 2px solid var(--primary-light);
    border-radius: 50%;
    opacity: 0.1;
    pointer-events: none;
}

.video-decoration-1 {
    top: -100px;
    right: -100px;
}

.video-decoration-2 {
    bottom: -150px;
    left: -150px;
    width: 400px;
    height: 400px;
}

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

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(139, 115, 85, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 115, 85, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.8);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.15);
    color: var(--white);
    border-color: var(--white);
}

.btn-block {
    width: 100%;
}

/* ===== 头部导航 ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 32px;
}

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

.logo-text .zh {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.logo-text .en {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

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

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.lang-switch:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    padding: 8px;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    z-index: 999;
}

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

.mobile-nav-link {
    display: block;
    padding: 15px;
    font-size: 16px;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ===== 英雄区域 ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 70px;
    background: var(--coffee-gradient);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.9) 0%, rgba(107, 83, 68, 0.85) 50%, rgba(196, 149, 106, 0.8) 100%);
}

/* 海运/港口/国际贸易背景纹理 */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80'),
        url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?w=1920&q=80'),
        url('https://images.unsplash.com/photo-1501594907352-04cda38ebc29?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    opacity: 0.25;
    animation: bgSlide 30s ease-in-out infinite;
}

@keyframes bgSlide {
    0%, 100% { background-position: center; }
    50% { background-position: top center; }
}

/* 柔和的渐变叠加 */
.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(196, 149, 106, 0.3) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 30%, rgba(139, 115, 85, 0.2) 0%, transparent 40%);
}

/* 海运/国际贸易装饰元素 */
.hero-decoration {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

/* 浮动集装箱装饰 */
.hero-decoration::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 5%;
    width: 80px;
    height: 50px;
    background: linear-gradient(135deg, #C4956A 0%, #8B7355 100%);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    opacity: 0.4;
    animation: floatBox 8s ease-in-out infinite;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.hero-decoration::after {
    content: '';
    position: absolute;
    top: 25%;
    right: 8%;
    width: 60px;
    height: 40px;
    background: linear-gradient(135deg, #A89070 0%, #6B5344 100%);
    border: 2px solid rgba(255,255,255,0.25);
    border-radius: 4px;
    opacity: 0.35;
    animation: floatBox 6s ease-in-out infinite 2s;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

@keyframes floatBox {
    0%, 100% { transform: translateY(0) rotate(-3deg); }
    50% { transform: translateY(-15px) rotate(-3deg); }
}

/* 浮动船只 */
.ship-decoration {
    position: absolute;
    bottom: 15%;
    font-size: 35px;
    opacity: 0.2;
    animation: sailShip 25s linear infinite;
}

.ship-decoration.left {
    left: -10%;
}

.ship-decoration.right {
    right: -10%;
    animation-delay: -12s;
    animation-direction: reverse;
}

@keyframes sailShip {
    0% { transform: translateX(0); }
    100% { transform: translateX(120vw); }
}

/* 海浪动画 */
.wave-animation {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    overflow: hidden;
}

.wave-animation::before,
.wave-animation::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='rgba(255,255,255,0.1)' d='M0,192L48,176C96,160,192,128,288,133.3C384,139,480,181,576,186.7C672,192,768,160,864,149.3C960,139,1056,149,1152,154.7C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z'%3E%3C/path%3E%3C/svg%3E") repeat-x;
    background-size: 50% 100%;
    animation: wave 10s linear infinite;
}

.wave-animation::after {
    bottom: 10px;
    opacity: 0.5;
    animation: wave 8s linear infinite reverse;
}

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

/* 港口起重机装饰 */
.crane-decoration {
    position: absolute;
    bottom: 10%;
    width: 0;
    height: 0;
    opacity: 0.15;
}

.crane-decoration.left {
    left: 2%;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    border-bottom: 80px solid var(--accent);
}

.crane-decoration.right {
    right: 5%;
    border-left: 25px solid transparent;
    border-right: 25px solid transparent;
    border-bottom: 60px solid var(--primary);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
    padding: 40px 20px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(196, 149, 106, 0.9), rgba(139, 115, 85, 0.9));
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 15px rgba(139, 115, 85, 0.3);
}
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-title .zh {
    display: block;
    margin-bottom: 10px;
}

.hero-title .en {
    display: block;
    font-size: 28px;
    font-weight: 400;
    opacity: 0.9;
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 45px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 15px;
    opacity: 0.85;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 24px;
    color: var(--white);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== 通用区块 ===== */
.section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(26, 115, 232, 0.1);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
}

/* ===== 关于我们 ===== */
.about {
    background: var(--bg-light);
}

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

.about-content .about-subtitle {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-content .about-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
}

.feature-item i {
    color: #22c55e;
    font-size: 16px;
}

.about-images {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.about-img-main img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

.about-img-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.about-img-grid img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* ===== 产品中心 ===== */
.products {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 50%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        url('https://images.unsplash.com/photo-1553413077-190dd305871c?w=1920&q=80'),
        url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.03;
}

/* 物流装饰 */
.products::after {
    content: '📦';
    position: absolute;
    bottom: 10%;
    right: 5%;
    font-size: 60px;
    opacity: 0.08;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.products-filter {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* 现代产品卡片 */
.product-card-modern {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card-modern:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 10px;
    background: #ff6b35;
    color: var(--white);
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    z-index: 2;
}

.product-badge.hot {
    background: #ef4444;
}

.product-badge.new {
    background: #22c55e;
}

.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.product-card-modern:hover .product-image img {
    transform: scale(1.05);
}

.product-image-placeholder {
    font-size: 48px;
    color: var(--text-light);
    opacity: 0.5;
}

.product-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
}

.product-card-modern:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.product-action-btn {
    width: 36px;
    height: 36px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    color: var(--text-light);
}

.product-action-btn:hover {
    background: var(--primary);
    color: var(--white);
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.product-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 42px;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.stars {
    display: flex;
    gap: 2px;
    color: #fbbf24;
    font-size: 12px;
}

.rating-count {
    font-size: 12px;
    color: var(--text-light);
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.current-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.original-price {
    font-size: 14px;
    color: var(--text-light);
    text-decoration: line-through;
}

.discount {
    font-size: 12px;
    color: #ef4444;
    font-weight: 600;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.sales-count {
    font-size: 12px;
    color: var(--text-light);
}

.delivery-info {
    font-size: 12px;
    color: var(--text-light);
}

/* 产品标签页 */
.products-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-light);
}

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

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

.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-light);
}

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

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

.product-overlay {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
    line-height: 1.4;
}

.product-desc {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.5;
    flex: 1;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.product-price {
    font-size: 13px;
    color: var(--accent);
    font-weight: 600;
}

.product-btn {
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    font-size: 13px;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
}

.product-btn:hover {
    background: var(--primary-dark);
}

/* 旧版产品卡片样式保留 */
.product-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-icon i {
    font-size: 28px;
    color: var(--white);
}

.product-tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.product-tag {
    padding: 4px 12px;
    background: var(--secondary);
    color: var(--text-light);
    font-size: 12px;
    font-weight: 500;
    border-radius: 50px;
}

/* ===== 我们的优势 ===== */
.advantages {
    background: var(--bg-light);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: var(--white);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent), #ff8c5a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon i {
    font-size: 28px;
    color: var(--white);
}

.advantage-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-dark);
}

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

/* ===== 统计数据 ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-box {
    color: var(--white);
}

.stat-icon {
    display: block;
    font-size: 36px;
    margin-bottom: 10px;
}

.stat-num {
    display: block;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 8px;
}

.stat-text {
    font-size: 15px;
    opacity: 0.9;
}

/* ===== 联系我们 ===== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(26, 115, 232, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 20px;
    color: var(--primary);
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.contact-details p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-details p.en {
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.7;
}

.contact-form-wrapper {
    background: var(--bg-light);
    border-radius: 16px;
    padding: 35px;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.form-group label {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--text-light);
    pointer-events: none;
    transition: var(--transition);
    background: var(--white);
    padding: 0 5px;
}

.form-group textarea + label {
    top: 20px;
    transform: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label,
.form-group select + label {
    top: 0;
    font-size: 12px;
    color: var(--primary);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
}

.form-group select + label {
    top: 0;
    font-size: 12px;
    color: var(--text-light);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-logo .logo-icon {
    font-size: 28px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    font-size: 14px;
    opacity: 0.85;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--accent);
}

.footer-contact ul li {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact ul li i {
    width: 16px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.75;
    margin-bottom: 5px;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 42px;
    }
    
    .hero-title .en {
        font-size: 22px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-title .en {
        font-size: 18px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

/* ===== 语言切换样式 ===== */
body.lang-en .zh {
    display: none;
}

body.lang-en .en-inline {
    display: inline;
}

body.lang-zh .en-inline {
    display: none;
}

body.lang-en .zh-only {
    display: none;
}

/* ===== 合作平台区块 ===== */
.platforms {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.platforms::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1553413077-190dd305871c?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.platform-card {
    background: var(--white);
    border-radius: 16px;
    padding: 40px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
}

.platform-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.platform-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 16px;
    transition: var(--transition);
}

.platform-card:hover .platform-logo {
    background: var(--primary);
    color: var(--white);
}

.platform-logo svg {
    transition: var(--transition);
}

.platform-card:hover .platform-logo svg {
    fill: var(--white);
}

.platform-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-dark);
}

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

/* ===== 客户评价区块 ===== */
.testimonials {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.testimonials .section-tag {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

.testimonials .section-title {
    color: var(--white);
}

.testimonials .section-desc {
    color: rgba(255,255,255,0.85);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: var(--white);
    border-radius: 16px;
    padding: 35px;
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 80px;
    font-family: Georgia, serif;
    color: var(--primary);
    opacity: 0.1;
    line-height: 1;
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: 20px;
}

.testimonial-stars i {
    margin-right: 3px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
    font-weight: 600;
}

.author-info strong {
    display: block;
    font-size: 15px;
    color: var(--text-dark);
}

.author-info span {
    font-size: 13px;
    color: var(--text-light);
}

/* ===== 更新关于我们背景 ===== */
.about {
    background: var(--bg-light);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80');
    background-size: cover;
    background-position: center bottom;
    opacity: 0.03;
}

/* ===== 更新统计数据背景 ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.stats-section .stat-box {
    position: relative;
    z-index: 1;
}

/* ===== 更新联系我们的背景 ===== */
.contact {
    background: var(--bg-light);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

/* ===== 地图/物流装饰 ===== */
.logistics-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.logistics-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 10% 50%, rgba(255,250,245,0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 50%, rgba(255,250,245,0.1) 0%, transparent 50%);
}

.logistics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
}

.logistics-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.25);
    transition: var(--transition);
}

.logistics-card:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-5px);
}

.logistics-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(255,255,255,0.25);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logistics-icon i {
    font-size: 28px;
    color: var(--white);
}

.logistics-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.logistics-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

/* ===== 全局背景装饰 ===== */
.global-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.global-decoration::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%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");
    animation: drift 60s linear infinite;
}

@keyframes drift {
    from { transform: translate(0, 0); }
    to { transform: translate(30px, 30px); }
}

/* ===== 浮动元素动画 ===== */
.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-ship {
    position: absolute;
    bottom: 10%;
    font-size: 40px;
    opacity: 0.1;
    animation: sail 20s linear infinite;
}

@keyframes sail {
    0% { left: -10%; }
    100% { left: 110%; }
}

/* ===== 响应式调整 ===== */
@media (max-width: 1024px) {
    .platforms-grid,
    .logistics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .platforms-grid,
    .logistics-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 全球航线覆盖区域 ===== */
.global-reach-section {
    background: var(--bg-coffee);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.global-reach-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
}

.global-reach-content {
    position: relative;
    z-index: 1;
}

.world-map-container {
    position: relative;
    max-width: 900px;
    margin: 50px auto 0;
    background: linear-gradient(135deg, rgba(139, 115, 85, 0.95), rgba(107, 83, 68, 0.95));
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.world-map-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.world-map-svg {
    width: 100%;
    height: 400px;
    position: relative;
    z-index: 1;
}

/* 航线动画 */
.shipping-routes {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.route-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #fbbf24, transparent);
    animation: routeFlow 3s linear infinite;
    opacity: 0.6;
}

@keyframes routeFlow {
    0% { opacity: 0; transform: translateX(-100%); }
    50% { opacity: 0.8; }
    100% { opacity: 0; transform: translateX(100%); }
}

.route-1 { top: 30%; left: 20%; width: 25%; animation-delay: 0s; }
.route-2 { top: 50%; left: 40%; width: 30%; animation-delay: 1s; }
.route-3 { top: 70%; left: 10%; width: 40%; animation-delay: 2s; }
.route-4 { top: 40%; left: 60%; width: 25%; animation-delay: 0.5s; }

/* 地点标记 */
.map-marker {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #fbbf24;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s ease-in-out infinite;
}

.map-marker::before {
    content: '';
    position: absolute;
    inset: -8px;
    border: 2px solid #fbbf24;
    border-radius: 50%;
    animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.marker-shenzhen { top: 45%; left: 75%; }
.marker-usa { top: 40%; left: 15%; }
.marker-uk { top: 32%; left: 45%; }
.marker-europe { top: 35%; left: 52%; }
.marker-asia { top: 50%; left: 80%; }

/* ===== 产品中心背景增强 ===== */
.products {
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 400px;
    background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.03;
}

.products::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(to bottom, var(--white), transparent);
    pointer-events: none;
}

.products-grid {
    position: relative;
    z-index: 1;
}

/* 产品卡片增强 */
.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* ===== 合作平台背景增强 ===== */
.platforms {
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
    position: relative;
    overflow: hidden;
}

.platforms::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80');
    background-size: cover;
    background-position: center bottom;
    opacity: 0.04;
}

/* ===== 浮动船只装饰 ===== */
.ship-decoration {
    position: fixed;
    bottom: 20%;
    font-size: 30px;
    opacity: 0.08;
    animation: floatShip 30s linear infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes floatShip {
    0% { left: -5%; transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(2deg); }
    50% { transform: translateY(0) rotate(0deg); }
    75% { transform: translateY(20px) rotate(-2deg); }
    100% { left: 105%; transform: translateY(0) rotate(0deg); }
}

/* ===== 波浪分隔线 ===== */
.wave-divider {
    position: relative;
    height: 80px;
    overflow: hidden;
}

.wave-divider svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 80px;
}

@keyframes waveMove {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-20px); }
}

/* ===== 港口城市标记 ===== */
.port-cities {
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

.port-city {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.2);
}

.port-city i {
    color: #fbbf24;
    font-size: 18px;
}

.port-city span {
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
}

/* ===== 统计数字动画增强 ===== */
.stat-number-animated {
    display: inline-block;
    font-size: 48px;
    font-weight: 700;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Hero 背景动态云层 ===== */
.clouds {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.cloud {
    position: absolute;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    filter: blur(40px);
    animation: cloudFloat 20s ease-in-out infinite;
}

.cloud-1 { width: 300px; height: 100px; top: 10%; left: 10%; animation-delay: 0s; }
.cloud-2 { width: 200px; height: 80px; top: 20%; right: 15%; animation-delay: 5s; }
.cloud-3 { width: 250px; height: 90px; top: 40%; left: 30%; animation-delay: 10s; }

@keyframes cloudFloat {
    0%, 100% { transform: translateX(0) translateY(0); opacity: 0.5; }
    50% { transform: translateX(30px) translateY(-10px); opacity: 0.8; }
}

/* ===== 集装箱堆叠装饰 ===== */
.container-stacks {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 150px;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.15;
}

.container-stack {
    position: absolute;
    bottom: 0;
    width: 80px;
    height: 50px;
    border: 3px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.1);
}

.container-stack::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(255,255,255,0.3);
}

.stack-1 { left: 5%; animation: stackFloat 4s ease-in-out infinite; }
.stack-2 { left: 12%; height: 40px; animation: stackFloat 4s ease-in-out infinite 0.5s; }
.stack-3 { left: 18%; height: 60px; animation: stackFloat 4s ease-in-out infinite 1s; }
.stack-4 { right: 8%; animation: stackFloat 4s ease-in-out infinite 1.5s; }
.stack-5 { right: 15%; height: 45px; animation: stackFloat 4s ease-in-out infinite 2s; }
.stack-6 { right: 22%; height: 55px; animation: stackFloat 4s ease-in-out infinite 0.3s; }

@keyframes stackFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* ===== 关于我们背景增强 ===== */
.about {
    background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1494412574643-ff11b0a5c1c3?w=1920&q=80');
    background-size: cover;
    background-position: center bottom;
    opacity: 0.02;
}

.about::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1578575437130-527eed3abbec?w=1920&q=80');
    background-size: cover;
    background-position: center top;
    opacity: 0.02;
}