/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00a1d6;
    --primary-dark: #0087b3;
    --secondary-color: #fb7299;
    --bg-dark: #18191c;
    --bg-darker: #0e0f11;
    --bg-card: #212226;
    --text-light: #e7e7e7;
    --text-gray: #9499a0;
    --border-color: #2e2f33;
    --shadow: 0 2px 10px rgba(0,0,0,0.3);
    --shadow-hover: 0 4px 20px rgba(0,0,0,0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    font-size: 16px;
    background: var(--bg-dark);
}

html {
    scroll-behavior: smooth;
}

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

/* 通用section样式 */
.section-title {
    font-size: 28px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 12px;
    font-weight: 600;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-gray);
    text-align: center;
    margin-bottom: 40px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 161, 214, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--border-color);
}

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

.btn-large {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* 头部导航 */
header {
    background: var(--bg-darker);
    box-shadow: 0 2px 8px rgba(0,0,0,0.5);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--border-color);
}

header.sticky {
    box-shadow: 0 2px 15px rgba(0,0,0,0.15);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 28px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* 会员状态显示 */
.vip-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 215, 0, 0.15);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 20px;
    color: #ffd700;
    font-size: 14px;
    font-weight: 500;
}

.vip-status i {
    font-size: 16px;
}

.vip-status.expiring-soon {
    background: rgba(251, 114, 153, 0.15);
    border-color: rgba(251, 114, 153, 0.3);
    color: var(--secondary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.mobile-vip-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 15px;
    background: rgba(255, 215, 0, 0.15);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    color: #ffd700;
    font-size: 14px;
    font-weight: 500;
    margin: 10px 0;
}

.mobile-vip-status i {
    font-size: 16px;
}

.mobile-vip-status.expiring-soon {
    background: rgba(251, 114, 153, 0.15);
    border-color: rgba(251, 114, 153, 0.3);
    color: var(--secondary-color);
}

.btn-nav {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 24px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-dark);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    box-shadow: var(--shadow);
    z-index: 999;
    flex-direction: column;
    padding: 20px;
}

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

.mobile-menu a {
    padding: 15px;
    text-decoration: none;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s ease;
}

.mobile-menu a:hover {
    background: var(--bg-light);
}

/* 首页横幅 */
.hero {
    margin-top: 70px;
    background: linear-gradient(135deg, #0e0f11 0%, #18191c 100%);
    color: white;
    padding: 80px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 600px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 24px;
    margin-bottom: 15px;
    opacity: 0.95;
}

.hero-desc {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-large {
    padding: 16px 40px;
    font-size: 18px;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255,255,255,0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* 通用区块样式 */
section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 50px;
}

/* 产品区块 */
.products-section {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.product-card {
    background: white;
    border-radius: 12px;
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    border: 2px solid transparent;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.product-card.featured {
    border-color: var(--primary-color);
    box-shadow: 0 4px 20px rgba(25, 118, 210, 0.2);
}

.product-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--text-gray);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.product-badge.hot {
    background: var(--secondary-color);
}

.product-name {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--text-dark);
    font-weight: 700;
}

.product-price {
    margin-bottom: 30px;
    display: flex;
    align-items: baseline;
    justify-content: center;
}

.price-symbol {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 600;
}

.price-amount {
    font-size: 48px;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0 5px;
}

.price-unit {
    font-size: 18px;
    color: var(--text-gray);
}

.product-features {
    list-style: none;
    margin-bottom: 30px;
}

.product-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-features li:last-child {
    border-bottom: none;
}

.product-features i {
    color: var(--success-color);
    font-size: 18px;
}

.payment-methods {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.payment-methods p {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-dark);
    font-weight: 600;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.payment-icons span {
    font-size: 20px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 10px;
}

.payment-icons i {
    font-size: 32px;
}

.fa-weixin {
    color: #09BB07;
}

.fa-alipay {
    color: #1677FF;
}

/* 服务特色 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    font-size: 36px;
    color: white;
}

.feature-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-item p {
    color: var(--text-gray);
    line-height: 1.8;
}

/* 使用流程 */
.how-to-use-section {
    background: var(--bg-light);
}

.steps-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.step-item {
    text-align: center;
    max-width: 200px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-icon {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.step-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.step-item p {
    color: var(--text-gray);
    font-size: 14px;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    margin: 0 10px;
}

/* 适用场景 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.scenario-card {
    text-align: center;
    padding: 40px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.scenario-card i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.scenario-card h3 {
    font-size: 22px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.scenario-card p {
    color: var(--text-gray);
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.company-info {
    margin-top: 30px;
    padding: 20px;
    background: white;
    border-radius: 8px;
}

.company-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.company-info i {
    color: var(--primary-color);
    width: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: var(--text-gray);
}

/* 底部 */
footer {
    background: #2c3e50;
    color: white;
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    margin: 5px 0;
    color: rgba(255,255,255,0.7);
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-desc {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .btn-large {
        padding: 12px 24px;
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .price-amount {
        font-size: 36px;
    }
}

/* 用户案例样式 */
.case-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

.case-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

.case-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.case-info p {
    font-size: 13px;
    color: var(--text-gray);
}

.case-rating {
    margin-left: auto;
    color: #ffc107;
    font-size: 14px;
}

.case-content {
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 15px;
}

.case-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-gray);
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.case-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 服务演示展示样式 */
.service-demo-section {
    padding: 80px 0;
    background: white;
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.demo-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.demo-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.demo-image {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.demo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.demo-card:hover .demo-image img {
    transform: scale(1.1);
}

.demo-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.demo-card h3 {
    font-size: 20px;
    color: var(--text-dark);
    margin: 20px 20px 12px;
}

.demo-card p {
    color: var(--text-gray);
    line-height: 1.6;
    margin: 0 20px 20px;
    font-size: 14px;
}

.demo-link {
    display: inline-block;
    margin: 0 20px 20px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.demo-link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .case-grid,
    .demo-grid {
        grid-template-columns: 1fr;
    }
    
    .case-meta {
        flex-direction: column;
        gap: 8px;
    }
}

/* 服务运营证明样式 */
.proof-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    color: white;
}

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

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.proof-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.proof-card:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.proof-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.proof-icon i {
    font-size: 32px;
    color: white;
}

.proof-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: white;
}

.proof-card p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
}

.proof-link {
    display: inline-block;
    margin-top: 15px;
    color: white;
    text-decoration: none;
    font-weight: 600;
    padding: 8px 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.proof-link:hover {
    background: white;
    color: #1976D2;
    border-color: white;
}

.company-credentials {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 40px;
    margin-top: 30px;
}

.company-credentials h3 {
    font-size: 24px;
    margin-bottom: 25px;
    text-align: center;
    color: white;
}

.credentials-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.credential-item {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.credential-item strong {
    color: white;
    font-weight: 600;
}

.credential-item a {
    color: white;
    text-decoration: underline;
}

.credential-item a:hover {
    opacity: 0.8;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .proof-grid {
        grid-template-columns: 1fr;
    }
    
    .credentials-content {
        grid-template-columns: 1fr;
    }
    
    .company-credentials {
        padding: 25px;
    }
}

/* 网站内服务横幅样式 */
.web-service-banner {
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    gap: 30px;
    box-shadow: 0 8px 32px rgba(25, 118, 210, 0.3);
    color: white;
}

.web-service-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.web-service-icon i {
    font-size: 50px;
    color: white;
}

.web-service-content {
    flex: 1;
}

.web-service-content h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: white;
}

.web-service-content p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.95);
}

.web-service-features {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.web-service-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.web-service-features i {
    font-size: 16px;
}

@media (max-width: 768px) {
    .web-service-banner {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
    }
    
    .web-service-icon {
        width: 80px;
        height: 80px;
    }
    
    .web-service-icon i {
        font-size: 40px;
    }
    
    .web-service-content h3 {
        font-size: 22px;
    }
    
    .web-service-content p {
        font-size: 14px;
    }
    
    .web-service-features {
        justify-content: center;
        gap: 10px;
    }
    
    .web-service-features span {
        font-size: 13px;
        padding: 6px 12px;
    }
}

/* 免费试看提示区块 */
.free-trial-notice {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
}

.trial-content {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-radius: 8px;
    background: rgba(0, 161, 214, 0.1);
    border: 1px solid rgba(0, 161, 214, 0.3);
}

.trial-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trial-icon i {
    font-size: 30px;
    color: white;
}

.trial-text {
    flex: 1;
}

.trial-text h3 {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.trial-text p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .trial-content {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
    }
    
    .trial-text h3 {
        font-size: 18px;
    }
    
    .trial-text p {
        font-size: 14px;
    }
    
    .trial-button .btn {
        width: 100%;
    }
}

/* 视频内容展示区 */
.video-showcase-section {
    padding: 60px 0;
    background: var(--bg-dark);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.video-card {
    background: var(--bg-card);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    border-color: var(--primary-color);
}

.video-card.locked {
    opacity: 0.85;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 比例 */
    overflow: hidden;
    background: #000;
}

.video-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-overlay i {
    font-size: 48px;
    color: white;
    margin-bottom: 10px;
}

.video-overlay span {
    color: white;
    font-size: 16px;
    font-weight: 600;
}

.video-overlay.locked-overlay {
    opacity: 1;
    background: rgba(0, 0, 0, 0.7);
}

.video-overlay.locked-overlay i {
    font-size: 40px;
}

.video-overlay.vip-unlocked-overlay {
    opacity: 0;
    background: rgba(0, 0, 0, 0.4);
}

.video-card:hover .video-overlay.vip-unlocked-overlay {
    opacity: 1;
}

.video-card:not(.locked) {
    opacity: 1;
}

.video-card:not(.locked):hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 161, 214, 0.4);
}

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.video-info {
    padding: 16px;
}

.video-info h3 {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.video-info p {
    font-size: 13px;
    color: var(--text-gray);
    margin: 0;
}

.video-info p i {
    margin-right: 4px;
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }
}

/* VIP会员对比表样式 */
.vip-comparison-table {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin: 50px 0;
}

.vip-table-header {
    display: grid;
    grid-template-columns: 200px repeat(3, 1fr);
    gap: 0;
    background: #f8f9fa;
    border-bottom: 2px solid #e0e0e0;
}

.vip-header-item {
    padding: 30px 20px;
    text-align: center;
    position: relative;
}

.vip-header-item.empty {
    background: transparent;
}

.vip-header-item.featured {
    background: linear-gradient(135deg, #1976D2 0%, #2196F3 100%);
    color: white;
}

.vip-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 12px;
}

.vip-badge.basic {
    background: #e3f2fd;
    color: #1976D2;
}

.vip-badge.hot {
    background: #ff9800;
    color: white;
}

.vip-badge.premium {
    background: #ffd700;
    color: #333;
}

.vip-header-item h3 {
    font-size: 20px;
    margin-bottom: 16px;
    color: #2c3e50;
}

.vip-header-item.featured h3 {
    color: white;
}

.vip-price {
    margin-bottom: 20px;
}

.vip-price .price-symbol {
    font-size: 18px;
    vertical-align: top;
}

.vip-price .price-amount {
    font-size: 36px;
    font-weight: 700;
    color: #1976D2;
}

.vip-header-item.featured .vip-price .price-amount {
    color: white;
}

.vip-price .price-unit {
    font-size: 14px;
    color: #7f8c8d;
}

.vip-header-item.featured .vip-price .price-unit {
    color: rgba(255, 255, 255, 0.9);
}

.btn-select {
    padding: 12px 32px;
    border: 2px solid #1976D2;
    background: white;
    color: #1976D2;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-select:hover {
    background: #1976D2;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.3);
}

.btn-select.primary {
    background: white;
    color: #1976D2;
    border-color: white;
}

.btn-select.primary:hover {
    background: #f0f0f0;
}

.vip-table-body {
    background: white;
}

.vip-table-row {
    display: grid;
    grid-template-columns: 200px repeat(3, 1fr);
    gap: 0;
    border-bottom: 1px solid #f0f0f0;
}

.vip-table-row:last-child {
    border-bottom: none;
}

.vip-row-label {
    padding: 20px;
    font-weight: 500;
    color: #2c3e50;
    background: #f8f9fa;
    display: flex;
    align-items: center;
}

.vip-row-value {
    padding: 20px;
    text-align: center;
    color: #555;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vip-row-value.featured {
    background: #e3f2fd;
    color: #1976D2;
    font-weight: 600;
}

.vip-row-value i {
    font-size: 20px;
    color: #4caf50;
}

.vip-row-value.featured i {
    color: #1976D2;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .vip-table-header,
    .vip-table-row {
        grid-template-columns: 150px repeat(3, 1fr);
    }
    
    .vip-header-item {
        padding: 20px 10px;
    }
    
    .vip-header-item h3 {
        font-size: 16px;
    }
    
    .vip-price .price-amount {
        font-size: 28px;
    }
    
    .btn-select {
        padding: 10px 20px;
        font-size: 14px;
    }
    
    .vip-row-label,
    .vip-row-value {
        padding: 15px 10px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .vip-comparison-table {
        overflow-x: auto;
    }
    
    .vip-table-header,
    .vip-table-row {
        min-width: 700px;
    }
}

/* 免费标签改为试看标签 */
.free-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #00a1d6 0%, #0087b3 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    z-index: 2;
}

/* 产品服务区块 */
.products-section {
    padding: 60px 0;
    background: var(--bg-darker);
}

/* 会员提示框 */
.vip-notice-box {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.vip-notice-box i {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: block;
}

.vip-notice-box p {
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 20px;
}

/* 会员提示弹窗 */
.vip-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

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

.vip-modal-content {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
    border: 1px solid var(--border-color);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.vip-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-darker);
    border-radius: 50%;
    font-size: 24px;
    color: var(--text-gray);
    cursor: pointer;
    transition: all 0.3s;
}

.vip-modal-close:hover {
    background: var(--border-color);
    transform: rotate(90deg);
    color: var(--text-light);
}

.vip-modal-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.vip-modal-icon i {
    font-size: 40px;
    color: #fff;
}

.vip-modal-content h3 {
    font-size: 24px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 12px;
}

.vip-modal-content > p {
    text-align: center;
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 30px;
}

.vip-modal-features {
    margin-bottom: 30px;
}

.vip-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.vip-feature:last-child {
    border-bottom: none;
}

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

.vip-feature span {
    color: var(--text-light);
    font-size: 15px;
}

.vip-modal-buttons {
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.vip-modal-buttons .btn {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.vip-modal-buttons .btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

.vip-modal-buttons .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 161, 214, 0.4);
}

.vip-modal-buttons .btn-outline {
    background: transparent;
    color: var(--text-gray);
    border: 2px solid var(--border-color);
}

.vip-modal-buttons .btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .vip-modal-content {
        padding: 30px 20px;
    }
    
    .vip-modal-content h3 {
        font-size: 20px;
    }
}