/* 免费看片免费看片网站 - 原创CSS样式表 */
/* 配色方案：赛车红(#E63946) + 金属银(#C0C0C0) + 深灰(#2B2D42) */

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

:root {
    --primary-color: #E63946;
    --secondary-color: #C0C0C0;
    --dark-bg: #2B2D42;
    --light-bg: #F8F9FA;
    --text-dark: #1D1D1F;
    --text-light: #6C757D;
    --border-color: #DEE2E6;
    --shadow: 0 4px 20px rgba(230, 57, 70, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 头部导航 */
header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1b2e 100%);
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.logo img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    border: 2px solid var(--primary-color);
}

.logo span {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    align-items: center;
}

.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    position: relative;
    padding: 8px 0;
}

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

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

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

/* 搜索框 */
.search-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 25px 30px;
}

.search-box {
    display: flex;
    max-width: 700px;
    margin: 0 auto;
    background: white;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 6px 30px rgba(230, 57, 70, 0.25);
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    padding: 18px 30px;
    font-size: 16px;
    color: var(--text-dark);
}

.search-box button {
    background: linear-gradient(135deg, var(--primary-color), #d62839);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background: linear-gradient(135deg, #d62839, var(--primary-color));
    transform: translateX(-2px);
}

/* Hero区域 */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, rgba(43, 45, 66, 0.95), rgba(230, 57, 70, 0.85)), url('../images/hero-banner.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(230, 57, 70, 0.3), transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 0 30px;
}

.hero h1 {
    font-size: 56px;
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 2px 2px 20px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero h2 {
    font-size: 28px;
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0.95;
    text-shadow: 1px 1px 10px rgba(0,0,0,0.2);
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), #d62839);
    color: white;
    padding: 18px 45px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.4);
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(230, 57, 70, 0.5);
}

/* 容器 */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 30px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-bg);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

/* 服务卡片 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(230, 57, 70, 0.2);
    border-color: var(--primary-color);
}

.service-card h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    padding: 10px 0;
    color: var(--text-light);
    font-size: 15px;
    position: relative;
    padding-left: 25px;
}

.service-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 视频卡片 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.video-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(230, 57, 70, 0.2);
}

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

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

.video-card:hover .video-thumbnail img {
    transform: scale(1.1);
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 70px;
    height: 70px;
    background: rgba(230, 57, 70, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(230, 57, 70, 0.5);
}

.video-card:hover .play-button {
    transform: translate(-50%, -50%) scale(1);
}

.play-button::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 20px solid white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    margin-left: 5px;
}

.video-info {
    padding: 25px;
}

.video-info h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--dark-bg);
    font-weight: 600;
}

.video-info p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.video-stats {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* 专家团队 */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-bottom: 60px;
}

.expert-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    text-align: center;
}

.expert-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(230, 57, 70, 0.2);
}

.expert-photo {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.expert-info {
    padding: 30px 25px;
}

.expert-info h3 {
    font-size: 22px;
    color: var(--dark-bg);
    margin-bottom: 8px;
    font-weight: 700;
}

.expert-info .title {
    color: var(--primary-color);
    font-size: 15px;
    margin-bottom: 15px;
    font-weight: 500;
}

.expert-info p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.expert-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.expert-btn {
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

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

.expert-btn.primary:hover {
    background: #d62839;
    transform: translateY(-2px);
}

.expert-btn.secondary {
    background: var(--light-bg);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* 合作伙伴 */
.partners-section {
    background: white;
    padding: 60px 0;
    margin: 80px 0;
}

.partner-logos {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.partner-logos img {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* How-To指南 */
.howto-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 40px;
    border-radius: 25px;
    margin-bottom: 60px;
}

.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.howto-step {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    text-align: center;
    transition: var(--transition);
}

.howto-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.15);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), #d62839);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.howto-step h3 {
    font-size: 20px;
    color: var(--dark-bg);
    margin-bottom: 12px;
}

.howto-step p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
}

/* FAQ */
.faq-container {
    max-width: 900px;
    margin: 0 auto 60px;
}

.faq-item {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(230, 57, 70, 0.15);
}

.faq-item h3 {
    font-size: 20px;
    color: var(--dark-bg);
    margin-bottom: 15px;
    font-weight: 600;
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
}

/* 用户评价 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.review-card {
    background: white;
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
    position: relative;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(230, 57, 70, 0.15);
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 25px;
    font-size: 60px;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

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

.reviewer-name {
    font-weight: 600;
    color: var(--dark-bg);
    font-size: 18px;
}

.review-rating {
    color: #FFB800;
    font-size: 16px;
}

.review-text {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 15px;
    position: relative;
    z-index: 1;
}

/* 联系我们 */
.contact-section {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1b2e 100%);
    color: white;
    padding: 80px 40px;
    border-radius: 25px;
    margin-bottom: 60px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.contact-item h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.contact-item p {
    font-size: 16px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 10px;
}

.contact-item img {
    width: 180px;
    height: 180px;
    border-radius: 15px;
    margin-top: 15px;
    border: 3px solid var(--primary-color);
}

/* 社交分享 */
.social-share {
    text-align: center;
    padding: 60px 0;
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.share-btn {
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.share-btn.wechat {
    background: #07C160;
    color: white;
}

.share-btn.weibo {
    background: #E6162D;
    color: white;
}

.share-btn.douyin {
    background: #000;
    color: white;
}

.share-btn.bilibili {
    background: #00A1D6;
    color: white;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* 页脚 */
footer {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1b2e 100%);
    color: white;
    padding: 60px 30px 30px;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-section p,
.footer-section a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    line-height: 2;
    display: block;
}

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

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

.footer-logo img {
    width: 50px;
    height: 50px;
    border-radius: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero h2 {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .video-grid,
    .experts-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1b2e 100%);
    color: white;
    padding: 80px 30px;
    text-align: center;
}

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

.page-header p {
    font-size: 20px;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}