/* ============================================
   玩物社区 影视传媒 - 原创样式表
   配色方案: 深蓝 #0a1628 / 电蓝 #1a3a8a / 青色 #00d4ff / 金色 #f0b429
   ============================================ */

/* === 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:#e0e6ed;background:#0a1628;line-height:1.7;overflow-x:hidden}
a{color:#00d4ff;text-decoration:none;transition:color .3s}
a:hover{color:#f0b429}
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;color:#fff}

/* === Container === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#fff;position:relative;display:inline-block;padding-bottom:12px}
.section-title h2::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,#1a3a8a,#00d4ff)}
.section-title h3{font-size:1.6rem;color:#fff;position:relative;display:inline-block;padding-bottom:12px}
.section-title h3::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:50px;height:3px;background:linear-gradient(90deg,#1a3a8a,#00d4ff)}
.section-title p{color:#8899aa;margin-top:10px;font-size:1rem}

/* === Header / Navigation === */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,22,40,.95);backdrop-filter:blur(10px);border-bottom:1px solid rgba(0,212,255,.1);transition:all .3s}
.site-header.scrolled{background:rgba(10,22,40,.98);box-shadow:0 2px 20px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:40px;width:auto}
.logo span{font-size:1.5rem;font-weight:800;background:linear-gradient(135deg,#1a3a8a,#00d4ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav ul{display:flex;gap:28px}
.main-nav a{color:#c0ccda;font-size:.95rem;font-weight:500;position:relative;padding:4px 0;transition:color .3s}
.main-nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:#00d4ff;transition:width .3s}
.main-nav a:hover,.main-nav a.active{color:#00d4ff}
.main-nav a:hover::after,.main-nav a.active::after{width:100%}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:5px}
.mobile-toggle span{width:24px;height:2px;background:#fff;transition:all .3s}

/* === Search Bar === */
.search-bar{background:rgba(26,58,138,.15);border-bottom:1px solid rgba(0,212,255,.08);padding:10px 0}
.search-bar form{display:flex;max-width:600px;margin:0 auto}
.search-bar input{flex:1;padding:10px 18px;background:rgba(255,255,255,.06);border:1px solid rgba(0,212,255,.2);border-radius:25px 0 0 25px;color:#fff;font-size:.9rem;outline:none;transition:border-color .3s}
.search-bar input:focus{border-color:#00d4ff}
.search-bar input::placeholder{color:#667788}
.search-bar button{padding:10px 24px;background:linear-gradient(135deg,#1a3a8a,#00d4ff);border:none;border-radius:0 25px 25px 0;color:#fff;font-size:.9rem;cursor:pointer;transition:opacity .3s}
.search-bar button:hover{opacity:.85}

/* === Banner / Hero === */
.hero-banner{position:relative;min-height:75vh;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:70px}
.hero-banner .bg-image{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.4)}
.hero-banner .overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,22,40,.3) 0%,rgba(10,22,40,.85) 100%)}
.hero-content{position:relative;z-index:2;text-align:center;max-width:800px;padding:40px 20px}
.hero-content h1{font-size:3rem;margin-bottom:16px;background:linear-gradient(135deg,#fff,#00d4ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content .subtitle{font-size:1.3rem;color:#8899aa;margin-bottom:24px}
.hero-content .desc{font-size:1rem;color:#b0bec5;line-height:1.8;margin-bottom:30px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#1a3a8a,#00d4ff);color:#fff;border-radius:30px;font-weight:600;font-size:1rem;transition:transform .3s,box-shadow .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,212,255,.3);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid #00d4ff;color:#00d4ff;border-radius:30px;font-weight:600;font-size:1rem;transition:all .3s;background:transparent;cursor:pointer}
.btn-outline:hover{background:rgba(0,212,255,.1);color:#fff}

/* === Section Spacing === */
.section{padding:70px 0}
.section-alt{background:rgba(26,58,138,.06)}
.section-dark{background:#060e1a}

/* === Video Card Grid === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.video-card{position:relative;border-radius:12px;overflow:hidden;background:#111d2e;transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,212,255,.15)}
.video-card .thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .thumb img{transform:scale(1.05)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(0,212,255,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .play-btn{opacity:1}
.play-btn::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:3px}
.video-card .card-body{padding:16px}
.video-card .card-body h3{font-size:1.05rem;color:#fff;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-card .meta{display:flex;gap:16px;font-size:.8rem;color:#667788;flex-wrap:wrap}
.video-card .meta span{display:flex;align-items:center;gap:4px}
.video-card .tag{display:inline-block;padding:2px 10px;background:rgba(0,212,255,.12);color:#00d4ff;border-radius:12px;font-size:.75rem;margin-top:8px;margin-right:4px}

/* 视频时长标识 */
.video-card .duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.8);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600;z-index:3}

/* 视频发布日期与作者标识 (EEAT) */
.video-card .card-info{display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:#556677;margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,.05)}
.video-card .card-info .author{color:#00d4ff}
.video-card .card-info .date{color:#667788}

/* 视频描述文字 */
.video-card .card-desc{font-size:.85rem;color:#8899aa;line-height:1.5;margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* H5 Video 元素样式 */
.video-card video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.video-card:hover video{opacity:0}

/* === Star Card === */
.star-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:24px}
.star-card{border-radius:12px;overflow:hidden;background:#111d2e;transition:transform .3s,box-shadow .3s}
.star-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(0,212,255,.15)}
.star-card .star-img{position:relative;padding-top:130%;overflow:hidden}
.star-card .star-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.star-card:hover .star-img img{transform:scale(1.05)}
.star-card .star-info{padding:14px;text-align:center}
.star-card .star-info h4{font-size:1.1rem;color:#fff;margin-bottom:4px}
.star-card .star-info p{font-size:.85rem;color:#667788}

/* === Expert Card === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.expert-card{background:#111d2e;border-radius:12px;padding:28px;text-align:center;transition:transform .3s,box-shadow .3s;border:1px solid rgba(0,212,255,.08)}
.expert-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,212,255,.12)}
.expert-card .avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid rgba(0,212,255,.3)}
.expert-card .avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.15rem;color:#fff;margin-bottom:4px}
.expert-card .role{color:#00d4ff;font-size:.85rem;margin-bottom:12px}
.expert-card .bio{font-size:.88rem;color:#8899aa;line-height:1.6;margin-bottom:16px}
.expert-card .awards{font-size:.8rem;color:#f0b429;margin-bottom:16px}
.expert-card .expert-btns{display:flex;gap:10px;justify-content:center}
.expert-card .expert-btns a{padding:8px 18px;border-radius:20px;font-size:.82rem;font-weight:500}

/* 专家资质标识 (EEAT) */
.expert-card .credentials{font-size:.78rem;color:#8899aa;margin-bottom:12px;font-style:italic}

/* === FAQ === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#111d2e;border-radius:10px;margin-bottom:12px;border:1px solid rgba(0,212,255,.08);overflow:hidden}
.faq-item .faq-q{padding:18px 24px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff;transition:background .3s}
.faq-item .faq-q:hover{background:rgba(0,212,255,.05)}
.faq-item .faq-q .arrow{transition:transform .3s;color:#00d4ff;font-size:1.2rem}
.faq-item.active .faq-q .arrow{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#8899aa;line-height:1.8;font-size:.95rem}
.faq-item.active .faq-a{max-height:400px;padding:0 24px 18px}

/* === Reviews === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.review-card{background:#111d2e;border-radius:12px;padding:24px;border:1px solid rgba(0,212,255,.08)}
.review-card .stars{color:#f0b429;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card .review-text{font-size:.92rem;color:#b0bec5;line-height:1.7;margin-bottom:14px;font-style:italic}
.review-card .reviewer{display:flex;align-items:center;gap:10px}
.review-card .reviewer .r-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#1a3a8a,#00d4ff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.9rem}
.review-card .reviewer .r-name{font-weight:600;color:#fff;font-size:.9rem}
.review-card .reviewer .r-date{font-size:.78rem;color:#667788}

/* === Partner Logos === */
.partner-wall{display:flex;flex-wrap:wrap;gap:30px;justify-content:center;align-items:center}
.partner-wall .partner-item{background:rgba(255,255,255,.04);border-radius:10px;padding:20px 30px;border:1px solid rgba(0,212,255,.08);font-size:1.1rem;font-weight:700;color:#667788;transition:all .3s}
.partner-wall .partner-item:hover{border-color:#00d4ff;color:#00d4ff;background:rgba(0,212,255,.05)}

/* === How To Guide === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:24px;margin-top:30px}
.howto-step{background:#111d2e;border-radius:12px;padding:28px;text-align:center;border:1px solid rgba(0,212,255,.08);position:relative}
.howto-step .step-num{width:48px;height:48px;background:linear-gradient(135deg,#1a3a8a,#00d4ff);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.3rem;font-weight:800;color:#fff}
.howto-step h4{color:#fff;margin-bottom:8px;font-size:1.05rem}
.howto-step p{color:#8899aa;font-size:.9rem;line-height:1.6}

/* === Contact Section === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px}
.contact-card{background:#111d2e;border-radius:12px;padding:28px;border:1px solid rgba(0,212,255,.08)}
.contact-card h4{color:#00d4ff;margin-bottom:16px;font-size:1.1rem}
.contact-card p{color:#8899aa;font-size:.92rem;line-height:1.8;margin-bottom:8px}
.contact-card .qr-code{width:140px;height:140px;background:#fff;border-radius:8px;margin-top:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.contact-card .qr-code img{width:100%;height:100%}

/* === Share Buttons === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.share-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:20px;font-size:.85rem;font-weight:500;color:#fff;transition:all .3s;border:1px solid rgba(255,255,255,.1)}
.share-btn:hover{transform:translateY(-2px);color:#fff}
.share-btn.wechat{background:#07c160}
.share-btn.weibo{background:#e6162d}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#fb7299}

/* === Tag Cloud === */
.tag-cloud-section{padding:40px 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.cloud-tag{display:inline-block;padding:6px 16px;background:rgba(0,212,255,.08);color:#8899aa;border-radius:20px;font-size:.85rem;transition:all .3s;border:1px solid rgba(0,212,255,.1)}
.cloud-tag:hover{background:rgba(0,212,255,.15);color:#00d4ff;border-color:#00d4ff}

/* === Footer === */
.site-footer{background:#060e1a;border-top:1px solid rgba(0,212,255,.1);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:40px}
.footer-col h5{color:#fff;font-size:1rem;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h5::after{content:'';position:absolute;bottom:0;left:0;width:30px;height:2px;background:#00d4ff}
.footer-col p,.footer-col a{color:#667788;font-size:.88rem;line-height:2}
.footer-col a:hover{color:#00d4ff}
.footer-col .footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-col .footer-logo img{height:36px}
.footer-col .footer-logo span{font-size:1.3rem;font-weight:800;background:linear-gradient(135deg,#1a3a8a,#00d4ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.footer-qr{display:flex;gap:16px;margin-top:12px}
.footer-qr .qr-item{text-align:center}
.footer-qr .qr-item img{width:100px;height:100px;border-radius:6px;background:#fff;padding:4px}
.footer-qr .qr-item span{display:block;font-size:.75rem;color:#667788;margin-top:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:20px 0;text-align:center}
.footer-bottom p{color:#445566;font-size:.82rem}
.footer-bottom .update-time{color:#667788;font-size:.78rem;margin-top:6px}
.footer-bottom .footer-seo{color:#334455;font-size:.72rem;margin-top:4px}

/* === Breadcrumb === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#667788;margin-top:70px}
.breadcrumb a{color:#00d4ff}
.breadcrumb span{margin:0 8px;color:#445566}

/* === Inner Page Content === */
.page-hero{position:relative;padding:100px 0 50px;text-align:center;background:linear-gradient(180deg,rgba(26,58,138,.15) 0%,rgba(10,22,40,0) 100%);margin-top:70px}
.page-hero h1{font-size:2.2rem;margin-bottom:12px}
.page-hero .page-desc{color:#8899aa;max-width:700px;margin:0 auto;font-size:1rem;line-height:1.7}
.content-area{padding:40px 0 70px}
.content-area article{max-width:900px;margin:0 auto}
.content-area article h2{font-size:1.6rem;color:#fff;margin:30px 0 16px;padding-left:14px;border-left:3px solid #00d4ff}
.content-area article h3{font-size:1.25rem;color:#e0e6ed;margin:24px 0 12px}
.content-area article p{color:#b0bec5;line-height:1.9;margin-bottom:16px;font-size:.95rem}
.content-area article .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.content-area article .tag-list span{padding:4px 14px;background:rgba(0,212,255,.1);color:#00d4ff;border-radius:15px;font-size:.8rem}

/* === 社区功能卡片 === */
.community-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.community-card{background:#111d2e;border-radius:12px;padding:24px;border:1px solid rgba(0,212,255,.08);transition:transform .3s}
.community-card:hover{transform:translateY(-4px)}
.community-card h4{color:#fff;margin-bottom:8px}
.community-card p{color:#8899aa;font-size:.9rem;line-height:1.6}
.community-card .stats{display:flex;gap:16px;margin-top:12px;font-size:.8rem;color:#667788}

/* === Animations === */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* === Responsive === */
@media(max-width:768px){
  .header-inner{padding:0 16px}
  .main-nav{position:fixed;top:70px;left:0;width:100%;background:rgba(10,22,40,.98);padding:20px;transform:translateX(-100%);transition:transform .3s;z-index:999}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;gap:16px}
  .mobile-toggle{display:flex}
  .hero-content h1{font-size:2rem}
  .hero-content .subtitle{font-size:1rem}
  .video-grid{grid-template-columns:1fr}
  .star-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:50px 0}
  .section-title h2{font-size:1.6rem}
  .community-features{grid-template-columns:1fr}
  .howto-steps{grid-template-columns:1fr}
  .partner-wall{gap:15px}
  .partner-wall .partner-item{padding:12px 20px;font-size:.9rem}
  .tag-cloud{gap:6px}
  .cloud-tag{font-size:.78rem;padding:4px 12px}
  .hero-banner{min-height:60vh}
}
@media(max-width:480px){
  .star-grid{grid-template-columns:1fr}
  .hero-btns{flex-direction:column;align-items:center}
  .hero-content h1{font-size:1.6rem}
  .video-grid{grid-template-columns:1fr}
  .share-bar{flex-direction:column;align-items:center}
  .footer-qr{flex-direction:column;align-items:center}
}