/* 免费看片 全站样式 - 原创设计 */
:root{
  --primary:#ff5e7a;
  --primary-dark:#e94560;
  --accent:#ff9d6c;
  --ink:#2b2333;
  --ink-soft:#6b6175;
  --bg:#fff8f6;
  --card:#ffffff;
  --line:#f3e0dd;
  --radius:14px;
  --shadow:0 6px 24px rgba(233,69,96,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== 头部 ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:1180px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:40px;width:auto}
.brand-name{font-size:20px;font-weight:700;color:var(--primary-dark)}
.main-nav ul{display:flex;gap:6px}
.main-nav a{display:block;padding:8px 14px;border-radius:8px;font-size:15px;font-weight:500;transition:.2s}
.main-nav a:hover,.main-nav a.active{background:var(--primary);color:#fff}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--primary-dark);cursor:pointer}

/* 搜索条 */
.search-bar{background:linear-gradient(90deg,#fff1ee,#fff8f0);border-bottom:1px solid var(--line);padding:12px 0}
.search-form{display:flex;max-width:640px;margin:0 auto;gap:0;padding:0 20px}
.search-form input{flex:1;padding:11px 18px;border:2px solid var(--primary);border-right:none;border-radius:24px 0 0 24px;font-size:15px;outline:none;background:#fff}
.search-form button{padding:11px 28px;border:none;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:15px;font-weight:600;border-radius:0 24px 24px 0;cursor:pointer}
.search-tip{text-align:center;font-size:13px;color:var(--ink-soft);margin-top:8px}

/* 面包屑 */
.breadcrumb{padding:14px 0;font-size:14px;color:var(--ink-soft)}
.breadcrumb a{color:var(--primary-dark)}
.breadcrumb span{margin:0 6px;color:#ccb8b4}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#2b2333 0%,#4a2b3f 100%);color:#fff}
.hero-inner{display:flex;align-items:center;gap:40px;padding:56px 20px;max-width:1180px;margin:0 auto;flex-wrap:wrap}
.hero-text{flex:1;min-width:300px}
.hero-text h1{font-size:34px;line-height:1.4;margin-bottom:16px}
.hero-text h1 em{font-style:normal;color:var(--accent)}
.hero-text p{font-size:16px;color:#f0dede;margin-bottom:24px}
.hero-img{flex:1;min-width:300px}
.hero-img img{border-radius:var(--radius);box-shadow:0 12px 40px rgba(0,0,0,.35)}
.btn{display:inline-block;padding:12px 30px;border-radius:26px;font-size:15px;font-weight:600;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,94,122,.4)}
.btn-ghost{border:2px solid #fff;color:#fff;margin-left:12px}
.btn-ghost:hover{background:#fff;color:var(--primary-dark)}
.hero-stats{display:flex;gap:34px;margin-top:28px;flex-wrap:wrap}
.hero-stats b{display:block;font-size:24px;color:var(--accent)}
.hero-stats span{font-size:13px;color:#e8d5d5}

/* ===== 区块通用 ===== */
.section{padding:56px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;margin-bottom:36px}
.section-head h2{font-size:28px;color:var(--ink);margin-bottom:10px}
.section-head h2 i{font-style:normal;color:var(--primary)}
.section-head p{color:var(--ink-soft);font-size:15px;max-width:720px;margin:0 auto}

/* ===== 视频卡片 ===== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.video-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(233,69,96,.16)}
.video-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#1d1826}
.video-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.video-card:hover .video-thumb img{transform:scale(1.06)}
.play-btn{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(30,20,35,.35);opacity:0;transition:.25s}
.video-card:hover .play-btn,.video-thumb:active .play-btn{opacity:1}
.play-btn span{width:62px;height:62px;border-radius:50%;background:rgba(255,94,122,.92);display:flex;align-items:center;justify-content:center}
.play-btn span::after{content:"";display:block;width:0;height:0;border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.video-duration{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.72);color:#fff;font-size:12px;padding:2px 8px;border-radius:4px}
.video-info{padding:16px 18px 18px}
.video-info h3{font-size:16px;line-height:1.5;margin-bottom:8px}
.video-info .desc{font-size:13px;color:var(--ink-soft);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:12.5px;color:var(--ink-soft)}
.video-meta b{color:var(--primary-dark);font-weight:600}
.video-tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.video-tags span{font-size:12px;background:#fff0ec;color:var(--primary-dark);padding:2px 10px;border-radius:10px}

/* ===== 特色栅格 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s}
.feature-card:hover{border-color:var(--primary);box-shadow:var(--shadow)}
.feature-card .icon{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#fff0ec,#ffe4d6);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.feature-card h3{font-size:17px;margin-bottom:8px}
.feature-card p{font-size:13.5px;color:var(--ink-soft)}

/* ===== 专家 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.expert-card{background:var(--card);border-radius:var(--radius);padding:26px 20px;text-align:center;box-shadow:var(--shadow)}
.expert-avatar{width:76px;height:76px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:28px;font-weight:700}
.expert-card h3{font-size:17px}
.expert-card .role{font-size:13px;color:var(--primary-dark);margin:4px 0 10px}
.expert-card .bio{font-size:13px;color:var(--ink-soft);margin-bottom:12px}
.expert-card .award{font-size:12px;color:var(--accent);margin-bottom:12px}
.expert-links a{font-size:13px;color:var(--primary-dark);border:1px solid var(--primary);border-radius:14px;padding:4px 12px;margin:0 3px;display:inline-block;transition:.2s}
.expert-links a:hover{background:var(--primary);color:#fff}

/* ===== 合作Logo墙 ===== */
.partner-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 10px;text-align:center;font-size:14px;font-weight:600;color:var(--ink-soft);transition:.2s}
.partner-item:hover{color:var(--primary-dark);border-color:var(--primary)}
.partner-item i{display:block;font-style:normal;font-size:22px;margin-bottom:6px}

/* ===== How-To ===== */
.howto-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.howto-step{background:var(--card);border-radius:var(--radius);padding:24px 20px;position:relative;box-shadow:var(--shadow)}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:20px;width:32px;height:32px;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.howto-step h3{font-size:16px;margin:8px 0 8px}
.howto-step p{font-size:13.5px;color:var(--ink-soft)}

/* ===== FAQ ===== */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{padding:16px 20px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--primary)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{padding:0 20px 16px;font-size:14px;color:var(--ink-soft)}

/* ===== 用户评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review-card{background:var(--card);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.review-stars{color:#ffb400;font-size:15px;letter-spacing:2px;margin-bottom:10px}
.review-card p{font-size:14px;color:var(--ink-soft);margin-bottom:14px}
.review-user{display:flex;align-items:center;gap:10px}
.review-user .avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.review-user b{font-size:14px;display:block}
.review-user span{font-size:12px;color:#b0a3ab}

/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:30px}
.contact-card{background:var(--card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.contact-card h3{font-size:18px;margin-bottom:16px;color:var(--primary-dark)}
.contact-card li{padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px;display:flex;gap:8px}
.contact-card li:last-child{border-bottom:none}
.contact-card li b{color:var(--ink);min-width:82px}
.qr-row{display:flex;gap:24px;margin-top:16px}
.qr-box{text-align:center}
.qr-box img{width:120px;height:120px;border-radius:10px;border:1px solid var(--line)}
.qr-box span{font-size:13px;color:var(--ink-soft);display:block;margin-top:6px}

/* ===== 分享 ===== */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.share-bar a{display:flex;align-items:center;gap:6px;padding:9px 20px;border-radius:22px;font-size:14px;color:#fff;transition:.2s}
.share-bar a:hover{transform:translateY(-2px)}
.share-wechat{background:#09bb07}
.share-weibo{background:#e6162d}
.share-douyin{background:#170b1a}
.share-bili{background:#fb7299}
.share-qq{background:#12b7f5}

/* ===== 页脚 ===== */
.site-footer{background:#241d2e;color:#cbbfd0;margin-top:40px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:48px 20px 36px;max-width:1180px;margin:0 auto}
.footer-brand img{height:38px;margin-bottom:12px;background:#fff;border-radius:8px;padding:4px}
.footer-brand p{font-size:13.5px;line-height:1.8}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;transition:.2s}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:13.5px;margin-bottom:8px}
.footer-qr{display:flex;gap:16px}
.footer-qr .qr-box img{width:92px;height:92px}
.footer-qr .qr-box span{color:#cbbfd0;font-size:12px}
.footer-bottom{border-top:1px solid #3a3145;padding:18px 20px;text-align:center;font-size:13px;color:#9d8fa5}
.footer-bottom p{margin:4px 0}

/* ===== 内页 ===== */
.page-banner{background:linear-gradient(120deg,#2b2333,#4a2b3f);color:#fff;padding:44px 0;text-align:center}
.page-banner h1{font-size:30px;margin-bottom:10px}
.page-banner p{color:#e8d5d5;font-size:15px;max-width:760px;margin:0 auto}
.article{max-width:860px;margin:0 auto;background:var(--card);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.article h2{font-size:22px;margin:28px 0 12px;color:var(--primary-dark)}
.article h2:first-child{margin-top:0}
.article h3{font-size:18px;margin:20px 0 10px}
.article p{margin-bottom:14px;font-size:15px;color:#4a4152}
.article ul{margin:0 0 14px 20px;list-style:disc;color:#4a4152;font-size:15px}
.article li{margin-bottom:6px}
.tag-cloud{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
.tag-cloud a{font-size:13px;background:#fff0ec;color:var(--primary-dark);padding:4px 14px;border-radius:14px;transition:.2s}
.tag-cloud a:hover{background:var(--primary);color:#fff}

/* ===== 响应式 ===== */
@media(max-width:960px){
  .video-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.expert-grid,.howto-steps{grid-template-columns:repeat(2,1fr)}
  .partner-wall{grid-template-columns:repeat(3,1fr)}
  .contact-grid,.footer-main{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 10px 24px rgba(0,0,0,.08)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;padding:10px 16px}
  .hero-text h1{font-size:25px}
  .video-grid,.review-grid,.feature-grid,.expert-grid,.howto-steps,.contact-grid,.footer-main{grid-template-columns:1fr}
  .partner-wall{grid-template-columns:repeat(2,1fr)}
  .section{padding:40px 0}
  .article{padding:24px 18px}
}