/* 茄子视频 全新原创样式 - 紫色渐变主题 */
/* fqtkrz.cn */

:root {
    --primary-color: #8B5CF6;
    --primary-dark: #7C3AED;
    --primary-light: #A78BFA;
    --secondary-color: #EC4899;
    --accent-color: #F472B6;
    --bg-dark: #1F1B2E;
    --bg-light: #F8F7FC;
    --text-dark: #1E1B4B;
    --text-light: #6B7280;
    --text-white: #FFFFFF;
    --gradient-main: linear-gradient(135deg, #8B5CF6 0%, #EC4899 100%);
    --gradient-dark: linear-gradient(135deg, #1F1B2E 0%, #3D2E5C 100%);
    --gradient-card: linear-gradient(180deg, rgba(139,92,246,0.1) 0%, rgba(236,72,153,0.05) 100%);
    --shadow-sm: 0 2px 8px rgba(139,92,246,0.15);
    --shadow-md: 0 4px 20px rgba(139,92,246,0.2);
    --shadow-lg: 0 8px 40px rgba(139,92,246,0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.7;
    font-size: 16px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

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

/* 头部导航 - 全新玻璃拟态设计 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(139,92,246,0.1);
    transition: all 0.3s ease;
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo img {
    height: 42px;
    width: auto;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.main-nav a {
    display: block;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: var(--radius-full);
    transition: all 0.3s ease;
}

.main-nav a:hover,
.main-nav a.current {
    background: var(--gradient-main);
    color: var(--text-white);
}

.header-btns {
    display: flex;
    gap: 12px;
}

.btn-outline {
    padding: 10px 24px;
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-full);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

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

.btn-solid {
    padding: 10px 24px;
    background: var(--gradient-main);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-white);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-solid:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 搜索栏 - 全新设计 */
.search-section {
    margin-top: 72px;
    padding: 24px 0;
    background: var(--gradient-dark);
}

.search-box {
    display: flex;
    max-width: 680px;
    margin: 0 auto;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
}

.search-box input {
    flex: 1;
    padding: 16px 28px;
    border: none;
    background: transparent;
    color: var(--text-white);
    font-size: 1rem;
    outline: none;
}

.search-box input::placeholder {
    color: rgba(255,255,255,0.6);
}

.search-box button {
    padding: 16px 36px;
    background: var(--gradient-main);
    border: none;
    color: var(--text-white);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-box button:hover {
    opacity: 0.9;
}

/* 面包屑导航 */
.breadcrumb-nav {
    padding: 16px 0;
    background: var(--text-white);
    border-bottom: 1px solid rgba(139,92,246,0.1);
}

.breadcrumb-list {
    font-size: 0.9rem;
    color: var(--text-light);
}

.breadcrumb-list a {
    color: var(--primary-color);
}

.breadcrumb-list a:hover {
    text-decoration: underline;
}

/* 英雄区域 - 全新布局 */
.hero-section {
    position: relative;
    padding: 100px 0 80px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../images/banner_main.jpg') center/cover no-repeat;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-text h1 span {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.btn-hero {
    padding: 16px 36px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-hero.primary {
    background: var(--gradient-main);
    color: var(--text-white);
    border: none;
}

.btn-hero.secondary {
    background: transparent;
    color: var(--text-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-visual {
    position: relative;
}

.hero-video-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-video-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    transition: all 0.3s ease;
}

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

.play-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-icon:hover {
    transform: scale(1.1);
}

/* 统计数据条 */
.stats-bar {
    padding: 40px 0;
    background: var(--text-white);
    border-bottom: 1px solid rgba(139,92,246,0.1);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-box h3 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-box p {
    font-size: 0.95rem;
    color: var(--text-light);
}

/* 内容区块 */
.content-section {
    padding: 80px 0;
}

.content-section.alt-bg {
    background: var(--text-white);
}

.section-heading {
    text-align: center;
    margin-bottom: 56px;
}

.section-heading h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.section-heading p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* 视频卡片网格 - 全新设计 */
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.video-card {
    background: var(--text-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.video-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.video-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-card:hover .video-thumbnail img {
    transform: scale(1.08);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.video-card:hover .video-play-btn {
    opacity: 1;
}

.video-play-btn::after {
    content: '▶';
    color: var(--text-white);
    font-size: 1.2rem;
    margin-left: 4px;
}

.video-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.75);
    color: var(--text-white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.video-details {
    padding: 16px;
}

.video-details h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-stats {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.video-stats span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 服务卡片 - 全新设计 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid rgba(139,92,246,0.15);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.service-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--gradient-main);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 专家团队 - 全新设计 */
.experts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.expert-card {
    background: var(--text-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.expert-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.expert-photo {
    aspect-ratio: 1;
    overflow: hidden;
}

.expert-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.expert-card:hover .expert-photo img {
    transform: scale(1.05);
}

.expert-info {
    padding: 20px;
    text-align: center;
}

.expert-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.expert-info .title {
    font-size: 0.85rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.expert-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* 用户评价 - 全新设计 */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.review-card {
    background: var(--text-white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.review-card:hover {
    box-shadow: var(--shadow-md);
}

.review-stars {
    color: #FBBF24;
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.review-card blockquote {
    font-size: 0.95rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 12px;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-weight: 600;
}

.reviewer-name h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
}

.reviewer-name span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* FAQ区域 */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-white);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 20px 24px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-answer {
    padding: 0 24px 20px;
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* 页面标题区 */
.page-title-section {
    padding: 60px 0;
    background: var(--gradient-dark);
    text-align: center;
}

.page-title-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 12px;
}

.page-title-section p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
}

/* CTA区域 */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-main);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px;
}

.cta-section .btn-solid {
    background: var(--text-white);
    color: var(--primary-color);
    padding: 16px 40px;
    font-size: 1.05rem;
}

/* 页脚 - 全新设计 */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 16px;
    color: rgba(255,255,255,0.6);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 20px;
}

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

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

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    transition: color 0.3s ease;
}

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

.footer-qr {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.footer-qr img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-sm);
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .hero-btns {
        justify-content: center;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-main {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-wrapper {
        padding: 0 16px;
    }
    
    .main-nav {
        display: none;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .experts-grid {
        grid-template-columns: 1fr;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-qr {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
    }
}