/* ============================================
   妻社 - 影视传媒视频社区 主样式表
   品牌：妻社 | 域名：skygamers.cn
   ============================================ */

/* === CSS Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; color: #1a1a2e; background: #fafafa; line-height: 1.7; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: color .3s; }
a:hover { color: #e94560; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; }

/* === CSS Variables === */
:root {
  --primary: #6c2bd9;
  --primary-light: #9b59b6;
  --accent: #e94560;
  --accent-light: #ff6b81;
  --dark: #0f0e17;
  --dark-light: #1a1a2e;
  --gray: #6b7280;
  --gray-light: #f3f4f6;
  --white: #ffffff;
  --gradient: linear-gradient(135deg, #6c2bd9, #e94560);
  --gradient-soft: linear-gradient(135deg, #f8f0ff, #fff0f3);
  --shadow: 0 4px 20px rgba(108, 43, 217, .1);
  --shadow-hover: 0 8px 30px rgba(108, 43, 217, .2);
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1200px;
  --transition: all .3s ease;
}

/* === Container === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

/* === Header / Navigation === */
.site-header { background: var(--dark); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 20px rgba(0,0,0,.3); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; max-width: var(--container); margin: 0 auto; }
.site-logo { display: flex; align-items: center; gap: 10px; }
.site-logo img { height: 42px; width: auto; }
.site-logo span { font-size: 1.3rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { color: #ccc; font-size: .9rem; padding: 8px 14px; border-radius: 8px; transition: var(--transition); font-weight: 500; white-space: nowrap; }
.main-nav a:hover, .main-nav a.active { color: var(--white); background: rgba(108, 43, 217, .3); }

.mobile-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; padding: 5px; }

/* === Search Bar === */
.search-bar-wrap { background: var(--gradient-soft); padding: 14px 0; border-bottom: 1px solid #eee; }
.search-bar { display: flex; align-items: center; max-width: 680px; margin: 0 auto; background: var(--white); border-radius: 50px; overflow: hidden; box-shadow: var(--shadow); border: 2px solid transparent; transition: var(--transition); }
.search-bar:focus-within { border-color: var(--primary); }
.search-bar input { flex: 1; border: none; outline: none; padding: 12px 24px; font-size: .95rem; background: transparent; color: var(--dark); }
.search-bar input::placeholder { color: #aaa; }
.search-bar button { background: var(--gradient); border: none; color: var(--white); padding: 12px 28px; cursor: pointer; font-size: .95rem; font-weight: 600; transition: var(--transition); }
.search-bar button:hover { opacity: .9; }

/* === Breadcrumb === */
.breadcrumb { padding: 12px 0; font-size: .85rem; color: var(--gray); }
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* === Hero Section === */
.hero-section { position: relative; height: 520px; overflow: hidden; display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; filter: brightness(.55); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,14,23,.8), rgba(108,43,217,.4)); }
.hero-content { position: relative; z-index: 2; color: var(--white); max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.hero-content h1 { font-size: 2.8rem; margin-bottom: 16px; text-shadow: 0 2px 10px rgba(0,0,0,.5); }
.hero-content h1 em { font-style: normal; color: var(--accent-light); }
.hero-content p { font-size: 1.15rem; max-width: 600px; opacity: .9; margin-bottom: 28px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: 50px; font-weight: 600; font-size: .95rem; transition: var(--transition); cursor: pointer; border: none; }
.btn-primary { background: var(--gradient); color: var(--white); box-shadow: 0 4px 15px rgba(233,69,96,.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(233,69,96,.4); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.5); }
.btn-outline:hover { background: rgba(255,255,255,.15); border-color: var(--white); }

/* === Section Common === */
.section { padding: 60px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-gray { background: var(--gray-light); }
.section-gradient { background: var(--gradient-soft); }
.section-header { text-align: center; margin-bottom: 45px; }
.section-header h2 { font-size: 2rem; margin-bottom: 12px; }
.section-header h2 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.section-header p { color: var(--gray); font-size: 1rem; max-width: 600px; margin: 0 auto; }
.section-dark .section-header p { color: #aaa; }

/* === Video Card Grid === */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); position: relative; }
.video-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.video-thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; cursor: pointer; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.video-card:hover .video-thumb img { transform: scale(1.08); }
.play-btn { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,.35); opacity: 0; transition: opacity .3s; }
.video-thumb:hover .play-btn { opacity: 1; }
.play-btn svg { width: 56px; height: 56px; fill: var(--white); filter: drop-shadow(0 2px 8px rgba(0,0,0,.3)); }
.video-duration { position: absolute; bottom: 8px; right: 8px; background: rgba(0,0,0,.75); color: var(--white); padding: 2px 8px; border-radius: 4px; font-size: .75rem; font-weight: 600; }
.video-info { padding: 16px; }
.video-info h3 { font-size: 1rem; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-meta { display: flex; align-items: center; gap: 14px; font-size: .8rem; color: var(--gray); flex-wrap: wrap; }
.video-meta span { display: flex; align-items: center; gap: 4px; }
.video-tag { display: inline-block; background: var(--gradient-soft); color: var(--primary); padding: 2px 10px; border-radius: 20px; font-size: .75rem; font-weight: 500; margin-top: 8px; }

/* === Category Tabs === */
.cat-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.cat-tab { padding: 8px 22px; border-radius: 50px; font-size: .9rem; font-weight: 500; cursor: pointer; transition: var(--transition); background: var(--white); color: var(--gray); border: 1px solid #e5e7eb; }
.cat-tab:hover, .cat-tab.active { background: var(--gradient); color: var(--white); border-color: transparent; }

/* === Expert Cards === */
.expert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.expert-card { background: var(--white); border-radius: var(--radius-lg); padding: 30px 20px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); }
.expert-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.expert-avatar { width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 16px; overflow: hidden; border: 3px solid var(--primary-light); }
.expert-avatar img { width: 100%; height: 100%; object-fit: cover; }
.expert-card h4 { font-size: 1.1rem; margin-bottom: 4px; }
.expert-card .role { color: var(--primary); font-size: .85rem; font-weight: 500; margin-bottom: 10px; }
.expert-card p { font-size: .85rem; color: var(--gray); margin-bottom: 14px; line-height: 1.5; }
.expert-links { display: flex; gap: 8px; justify-content: center; }
.expert-links a { padding: 6px 16px; border-radius: 20px; font-size: .8rem; font-weight: 500; transition: var(--transition); }
.expert-links .link-primary { background: var(--gradient); color: var(--white); }
.expert-links .link-outline { border: 1px solid var(--primary); color: var(--primary); }
.expert-links .link-outline:hover { background: var(--primary); color: var(--white); }

/* === Stats Bar === */
.stats-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 40px 0; }
.stat-item { text-align: center; }
.stat-num { font-size: 2.5rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: .9rem; color: var(--gray); margin-top: 4px; }

/* === Review Cards === */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.review-stars { color: #fbbf24; font-size: 1.1rem; margin-bottom: 10px; }
.review-card p { font-size: .9rem; color: #555; margin-bottom: 14px; font-style: italic; }
.review-author { display: flex; align-items: center; gap: 10px; }
.review-author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: var(--white); font-weight: 700; font-size: .9rem; }
.review-author-info { font-size: .85rem; }
.review-author-info strong { display: block; color: var(--dark); }
.review-author-info span { color: var(--gray); }

/* === FAQ === */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: var(--radius); margin-bottom: 12px; box-shadow: var(--shadow); overflow: hidden; }
.faq-q { padding: 18px 24px; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: var(--transition); }
.faq-q:hover { color: var(--primary); }
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--primary); transition: transform .3s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .4s ease; color: var(--gray); font-size: .9rem; line-height: 1.8; }
.faq-item.open .faq-a { max-height: 300px; padding: 0 24px 18px; }

/* === Contact Section === */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; align-items: start; }
.contact-info-card { background: var(--white); border-radius: var(--radius-lg); padding: 30px; box-shadow: var(--shadow); }
.contact-info-card h3 { font-size: 1.3rem; margin-bottom: 20px; color: var(--dark); }
.contact-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 18px; }
.contact-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--gradient-soft); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon svg { width: 20px; height: 20px; fill: var(--primary); }
.contact-text strong { display: block; font-size: .9rem; margin-bottom: 2px; }
.contact-text span { font-size: .85rem; color: var(--gray); }
.qrcode-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.qrcode-item { text-align: center; }
.qrcode-item img { width: 160px; height: 160px; margin: 0 auto 8px; border-radius: 8px; }
.qrcode-item p { font-size: .85rem; color: var(--gray); }

/* === Partner Logos === */
.partner-wall { display: flex; flex-wrap: wrap; justify-content: center; gap: 30px; align-items: center; }
.partner-logo { width: 140px; height: 60px; background: var(--white); border-radius: 8px; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow); padding: 10px; font-weight: 700; color: var(--gray); font-size: .85rem; transition: var(--transition); }
.partner-logo:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }

/* === Share Buttons === */
.share-bar { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; padding: 20px 0; }
.share-btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: 50px; font-size: .85rem; font-weight: 500; color: var(--white); transition: var(--transition); }
.share-btn:hover { transform: translateY(-2px); opacity: .9; color: var(--white); }
.share-wechat { background: #07c160; }
.share-weibo { background: #e6162d; }
.share-douyin { background: #161823; }
.share-bilibili { background: #00a1d6; }

/* === Footer === */
.site-footer { background: var(--dark); color: #aaa; padding: 50px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: .85rem; line-height: 1.8; margin-top: 14px; }
.footer-col h4 { color: var(--white); font-size: 1rem; margin-bottom: 16px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--gradient); }
.footer-col a { display: block; font-size: .85rem; padding: 5px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; text-align: center; font-size: .8rem; }
.footer-bottom a { color: var(--accent-light); }
.footer-update { margin-top: 6px; font-size: .78rem; color: #777; }

/* === Page Banner (Inner Pages) === */
.page-banner { background: var(--gradient); padding: 60px 0; text-align: center; color: var(--white); position: relative; overflow: hidden; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="15" fill="rgba(255,255,255,.05)"/><circle cx="80" cy="60" r="20" fill="rgba(255,255,255,.03)"/></svg>'); }
.page-banner h1 { font-size: 2.2rem; position: relative; }
.page-banner p { font-size: 1rem; opacity: .85; margin-top: 10px; position: relative; }

/* === Content Cards (Inner Pages) === */
.content-card { background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); margin-bottom: 24px; }
.content-card h3 { font-size: 1.2rem; margin-bottom: 12px; color: var(--dark); }
.content-card p { color: #555; font-size: .9rem; line-height: 1.8; }

/* === Tool Cards === */
.tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tool-card { background: var(--white); border-radius: var(--radius-lg); padding: 30px; text-align: center; box-shadow: var(--shadow); transition: var(--transition); }
.tool-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.tool-icon { width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 16px; background: var(--gradient-soft); display: flex; align-items: center; justify-content: center; }
.tool-icon svg { width: 32px; height: 32px; fill: var(--primary); }
.tool-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.tool-card p { font-size: .85rem; color: var(--gray); }

/* === Community Features === */
.community-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.community-feature { display: flex; gap: 20px; background: var(--white); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); transition: var(--transition); }
.community-feature:hover { box-shadow: var(--shadow-hover); }
.cf-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--gradient); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.cf-icon svg { width: 28px; height: 28px; fill: var(--white); }
.cf-text h4 { font-size: 1rem; margin-bottom: 6px; }
.cf-text p { font-size: .85rem; color: var(--gray); line-height: 1.6; }

/* === Live Badge === */
.live-badge { display: inline-flex; align-items: center; gap: 4px; background: #ef4444; color: var(--white); padding: 2px 10px; border-radius: 4px; font-size: .7rem; font-weight: 700; animation: livePulse 1.5s infinite; }
.live-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--white); }
@keyframes livePulse { 0%, 100% { opacity: 1; } 50% { opacity: .7; } }

/* === Responsive === */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .expert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav { display: none; position: fixed; top: 66px; left: 0; right: 0; background: var(--dark); flex-direction: column; padding: 20px; gap: 4px; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
  .main-nav.show { display: flex; }
  .mobile-toggle { display: block; }
  .hero-section { height: 400px; }
  .hero-content h1 { font-size: 1.8rem; }
  .video-grid { grid-template-columns: 1fr; }
  .expert-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .tool-grid { grid-template-columns: 1fr; }
  .community-features { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .section-header h2 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .header-inner { padding: 10px 15px; }
  .site-logo span { font-size: 1rem; }
  .hero-section { height: 320px; }
  .hero-content h1 { font-size: 1.5rem; }
  .hero-btns { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}