/* 正派跨境 - 高级设计风格 */

:root {
    --primary-color: #ff6a00;
    --primary-dark: #e55a00;
    --primary-light: #ff8533;
    --secondary-color: #10b981;
    --accent-color: #ff9900;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-primary: linear-gradient(135deg, #ff9900 0%, #ff6a00 100%);
    --gradient-secondary: linear-gradient(135deg, #ffb84d 0%, #ff8533 100%);
    --gradient-accent: linear-gradient(135deg, #ffcc66 0%, #ff9900 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    line-height: 1.7;
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

a:hover {
    color: var(--primary-color);
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 头部导航 - 大气设计 */
.header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid transparent;
    background-image: linear-gradient(white, white), 
                      linear-gradient(135deg, rgba(255, 153, 0, 0.1), rgba(255, 106, 0, 0.1));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.header-top-bar {
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.05) 0%, rgba(255, 106, 0, 0.05) 100%);
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 106, 0, 0.1);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-secondary);
}

.header-top-left {
    display: flex;
    gap: 24px;
    align-items: center;
}

.header-top-left a {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s;
}

.header-top-left a:hover {
    color: var(--primary-color);
}

.header-top-right {
    display: flex;
    gap: 16px;
    align-items: center;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    position: relative;
    flex-wrap: wrap;
}

.logo {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.8px;
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    padding-right: 24px;
    margin-right: 24px;
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent; /* 备用方案 */
}

.logo::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--border-color), transparent);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff !important;
    font-weight: 700;
    font-size: 22px;
    box-shadow: 0 4px 16px rgba(255, 106, 0, 0.35);
    flex-shrink: 0;
    -webkit-text-fill-color: #fff !important; /* 确保图标文字显示 */
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu > li > a {
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-radius: 8px;
    min-width: 100px;
}

.nav-menu > li > a .nav-main-text {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.nav-menu > li > a .nav-sub-text {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-light);
    opacity: 0.8;
    line-height: 1;
    transition: all 0.3s;
}

.nav-menu > li > a::after {
}

.nav-menu > li:hover > a::after,
.nav-menu > li.active > a::after {
    width: 60%;
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
    color: var(--primary-color);
}

.nav-menu > li > a:hover .nav-sub-text,
.nav-menu > li.active > a .nav-sub-text {
    color: var(--primary-color);
    opacity: 1;
}

.nav-menu > li > a:hover {
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.08) 0%, rgba(255, 106, 0, 0.08) 100%);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    border-radius: 16px;
    min-width: 240px;
    padding: 12px;
    display: none;
    border: 1px solid var(--border-color);
    animation: fadeInDown 0.3s ease;
    z-index: 1000;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    display: block;
    transition: all 0.2s;
}

.dropdown-menu a:hover {
    background: linear-gradient(135deg, rgba(255, 153, 0, 0.08) 0%, rgba(255, 106, 0, 0.08) 100%);
    color: var(--primary-color);
    transform: translateX(4px);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-box {
    position: relative;
}

.search-box input {
    padding: 12px 48px 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 30px;
    width: 280px;
    font-size: 15px;
    background: var(--bg-secondary);
    transition: all 0.3s;
    font-weight: 500;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 320px;
}

.search-box button {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    color: #fff;
    padding: 8px 12px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(255, 106, 0, 0.3);
}

.search-box button:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.4);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(255, 106, 0, 0.35);
    font-weight: 600;
    padding: 14px 28px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255, 106, 0, 0.45);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
    padding: 14px 24px;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

/* Banner轮播 - 高级设计 */
.banner-section {
    position: relative;
    height: 600px;
    overflow: hidden;
    border-radius: 0 0 24px 24px;
}

.banner-slider {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.banner-item {
    min-width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.banner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 100%);
    z-index: 1;
}

.banner-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.1);
    transition: transform 0.6s;
}

.banner-item:hover img {
    transform: scale(1);
}

.banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.banner-content h2 {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    animation: fadeInUp 0.8s ease;
}

.banner-content p {
    font-size: 22px;
    margin-bottom: 32px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

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

.banner-dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.banner-dot.active {
    background: #fff;
    width: 32px;
    border-radius: 6px;
    border-color: rgba(255,255,255,0.3);
}

/* 服务入口 - 高级卡片设计 */
.service-section {
    padding: 100px 0;
    background: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 64px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

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

.service-card-icon {
    font-size: 56px;
    margin-bottom: 24px;
    display: inline-block;
    transition: transform 0.4s;
}

.service-card:hover .service-card-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* 平台开店入口 - 高级设计 */
.platform-section {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 24px;
}

.platform-item {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1.5px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.platform-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.platform-item:hover::before {
    opacity: 1;
}

.platform-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: var(--primary-color);
}

.platform-item img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    margin: 0 auto 16px;
    transition: transform 0.4s;
}

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

.platform-item span {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

/* 底部 - 大气设计 */
.footer {
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    color: #fff;
    padding: 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 153, 0, 0.5), 
        rgba(255, 106, 0, 0.5), 
        transparent
    );
}

.footer::after {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 153, 0, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-main {
    padding: 60px 0 40px;
    position: relative;
    z-index: 1;
}

/* 顶部品牌区域 */
.footer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-header-left .logo {
    font-size: 32px;
    margin-bottom: 0;
    margin-right: 0;
    padding-right: 20px;
    -webkit-text-fill-color: #fff;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.8) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    position: relative;
}

.footer-header-left .logo::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.3);
}

.footer-header-right {
    flex: 1;
    padding-left: 20px;
}

.footer-header-right p {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 0;
}

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

.footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 106, 0, 0.4);
}

.footer-section h4 {
    margin-bottom: 28px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 16px;
}

.footer-section a {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    transition: all 0.3s;
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-section a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all 0.3s;
    color: var(--primary-color);
}

.footer-section a:hover {
    color: #fff;
    padding-left: 20px;
    transform: translateX(4px);
}

.footer-section a:hover::before {
    opacity: 1;
    left: -16px;
}

/* 关注我们区域 - 二维码 */
.footer-follow {
    display: flex;
    flex-direction: column;
}

.footer-qrcodes {
    display: flex;
    gap: 24px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: flex-start;
}

.qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.qrcode-image {
    width: 100px;
    height: 100px;
    background: #fff;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    transition: all 0.3s;
}

.qrcode-image:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

.qrcode-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.qrcode-item span {
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    text-align: center;
    line-height: 1.4;
    max-width: 100px;
}

.footer-newsletter {
    background: rgba(255,255,255,0.05);
    border-radius: 16px;
    padding: 32px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}

.footer-newsletter h4 {
    margin-bottom: 16px;
}

.footer-newsletter p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-newsletter-form {
    display: flex;
    gap: 8px;
}

.footer-newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 10px;
    background: rgba(255,255,255,0.1);
    color: #fff;
    font-size: 14px;
    transition: all 0.3s;
}

.footer-newsletter-form input::placeholder {
    color: rgba(255,255,255,0.5);
}

.footer-newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255,255,255,0.15);
    box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.2);
}

.footer-newsletter-form button {
    padding: 12px 24px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(255, 106, 0, 0.3);
}

.footer-newsletter-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 106, 0, 0.4);
}

.footer-bottom {
    background: rgba(0,0,0,0.3);
    padding: 32px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    position: relative;
    z-index: 1;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-left {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-bottom-left a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: all 0.3s;
}

.footer-bottom-left a:hover {
    color: #fff;
}

.footer-bottom-right {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-bottom-right strong {
    color: #fff;
    font-weight: 600;
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .footer-follow {
        grid-column: 1 / -1;
    }
    
    .footer-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .footer-qrcodes {
        justify-content: flex-start;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .footer .container {
        padding: 0 20px;
    }
    
    .footer-main {
        padding: 32px 0 24px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 16px;
    }
    
    .footer-follow {
        grid-column: 1 / -1;
        margin-top: 8px;
    }
    
    .footer-header {
        flex-direction: row;
        align-items: center;
        gap: 12px;
        padding-bottom: 24px;
        margin-bottom: 24px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    
    .footer-header-left .logo {
        font-size: 20px;
        margin-bottom: 0;
        padding-right: 16px;
        margin-right: 16px;
    }
    
    .footer-header-left .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
        border-radius: 8px;
    }
    
    .footer-header-left .logo::after {
        height: 28px;
    }
    
    .footer-header-right {
        padding-left: 0;
        flex: 1;
    }
    
    .footer-header-right p {
        font-size: 12px;
        line-height: 1.5;
        color: rgba(255,255,255,0.8);
    }
    
    .footer-section {
        margin-bottom: 0;
    }
    
    .footer-section:not(.footer-follow) {
        min-width: 0;
    }
    
    .footer-section h4 {
        font-size: 14px;
        margin-bottom: 12px;
        padding-bottom: 8px;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    
    .footer-section h4::after {
        width: 28px;
        height: 2px;
    }
    
    .footer-section ul {
        padding: 0;
    }
    
    .footer-section ul li {
        margin-bottom: 8px;
    }
    
    .footer-section a {
        font-size: 13px;
        line-height: 1.6;
        color: rgba(255,255,255,0.75);
    }
    
    .footer-section a::before {
        font-size: 12px;
        left: -18px;
    }
    
    .footer-section a:hover {
        padding-left: 18px;
    }
    
    .footer-section a:hover::before {
        left: -14px;
    }
    
    .footer-qrcodes {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
        justify-content: stretch;
    }
    
    .qrcode-item {
        flex: none;
        max-width: 100%;
        gap: 6px;
    }
    
    .qrcode-image {
        width: 70px;
        height: 70px;
        padding: 6px;
        border-radius: 6px;
    }
    
    .qrcode-item span {
        font-size: 10px;
        max-width: 100%;
        line-height: 1.3;
        color: rgba(255,255,255,0.7);
    }
    
    .footer-bottom {
        padding: 20px 0;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .footer-bottom-left {
        flex-direction: column;
        gap: 6px;
        align-items: center;
    }
    
    .footer-bottom-left span,
    .footer-bottom-left a {
        font-size: 11px;
        line-height: 1.5;
    }
    
    .footer-bottom-right {
        font-size: 11px;
        line-height: 1.5;
    }
}

/* 超小屏幕进一步优化 */
@media (max-width: 480px) {
    .footer .container {
        padding: 0 16px;
    }
    
    .footer-main {
        padding: 28px 0 20px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px 12px;
    }
    
    .footer-follow {
        grid-column: 1 / -1;
        margin-top: 6px;
    }
    
    .footer-header {
        padding-bottom: 20px;
        margin-bottom: 20px;
        gap: 10px;
    }
    
    .footer-header-left .logo {
        font-size: 18px;
        padding-right: 12px;
        margin-right: 12px;
    }
    
    .footer-header-left .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .footer-header-right p {
        font-size: 11px;
    }
    
    .footer-section {
        margin-bottom: 0;
    }
    
    .footer-section:not(.footer-follow) {
        min-width: 0;
    }
    
    .footer-section h4 {
        font-size: 13px;
        margin-bottom: 10px;
        padding-bottom: 7px;
    }
    
    .footer-section h4::after {
        width: 24px;
    }
    
    .footer-section ul li {
        margin-bottom: 7px;
    }
    
    .footer-section a {
        font-size: 12px;
    }
    
    .footer-qrcodes {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .qrcode-image {
        width: 65px;
        height: 65px;
        padding: 5px;
    }
    
    .qrcode-item span {
        font-size: 9px;
    }
    
    .footer-bottom {
        padding: 18px 0;
    }
    
    .footer-bottom-left span,
    .footer-bottom-left a,
    .footer-bottom-right {
        font-size: 10px;
    }
}

/* 页面头部 - 统一设计 */
.page-header {
    background: var(--gradient-primary);
    color: #fff;
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    letter-spacing: -1px;
}

.page-header p {
    font-size: 20px;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* 卡片通用样式 */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .banner-content h2 {
        font-size: 42px;
    }
    
    .banner-content p {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .header-content {
        height: 70px;
    }
    
    .logo {
        font-size: 20px;
        gap: 8px;
        padding-right: 12px;
        margin-right: 12px;
        order: 1;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .logo span {
        font-size: 16px;
    }
    
    .logo::after {
        height: 30px;
    }
    
    .nav-wrapper {
        order: 4;
        width: 100%;
        flex-basis: 100%;
        position: static !important;
    }
    
    .header-right {
        gap: 8px;
        order: 3;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 13px;
    }
    
    .btn-primary {
        padding: 10px 18px;
    }
    
    .btn-outline {
        padding: 10px 16px;
    }
    
    .search-box input {
        width: 180px;
    }
    
    .banner-section {
        height: 400px;
    }
    
    .banner-content h2 {
        font-size: 32px;
    }
    
    .banner-content p {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .platform-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .page-header {
        padding: 60px 0;
    }
    
    .page-header h1 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    .platform-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .banner-content h2 {
        font-size: 28px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.fade-in {
    animation: fadeIn 0.6s ease;
}

.slide-up {
    animation: slideUp 0.6s ease;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 106, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 工具类 */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }