/* ===== 抖阴传媒 - 原创样式表 ===== */
/* 品牌配色：玫红#E8336D 深夜蓝#1A1A2E 金色#FFD700 暗黑#0F0F1A */

/* === 基础重置 === */
*,*::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;background:#0F0F1A;color:#F0F0F0;line-height:1.7;overflow-x:hidden}
a{color:#E8336D;text-decoration:none;transition:color .3s}
a:hover{color:#FFD700}
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:#F0F0F0}

/* === 容器 === */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:2rem;color:#F0F0F0;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,#E8336D,#FFD700);border-radius:2px}
.section-title p{color:#A0A0B8;margin-top:10px;font-size:1rem}

/* === 头部导航 === */
.site-header{background:rgba(15,15,26,.95);backdrop-filter:blur(10px);position:fixed;top:0;left:0;width:100%;z-index:1000;border-bottom:1px solid rgba(232,51,109,.2);transition:all .3s}
.site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:42px;width:auto}
.logo span{font-size:1.4rem;font-weight:800;color:#E8336D;letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{color:#F0F0F0;padding:8px 14px;border-radius:6px;font-size:.9rem;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(232,51,109,.15);color:#E8336D}
.mobile-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.mobile-toggle span{width:24px;height:2px;background:#F0F0F0;border-radius:2px;transition:all .3s}

/* === 搜索框 === */
.search-bar{background:rgba(28,28,48,.8);padding:14px 0;border-bottom:1px solid rgba(232,51,109,.1)}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%}
.search-box input{flex:1;padding:10px 18px;background:rgba(255,255,255,.08);border:1px solid rgba(232,51,109,.3);border-right:none;border-radius:25px 0 0 25px;color:#F0F0F0;font-size:.95rem;outline:none;transition:border-color .3s}
.search-box input:focus{border-color:#E8336D}
.search-box input::placeholder{color:#A0A0B8}
.search-box button{padding:10px 24px;background:linear-gradient(135deg,#E8336D,#c4245a);color:#fff;border:none;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:all .3s}
.search-box button:hover{background:linear-gradient(135deg,#FFD700,#e6c200)}

/* === 英雄区 === */
.hero{position:relative;height:75vh;min-height:500px;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;margin-top:66px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.5)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,15,26,.3) 0%,rgba(15,15,26,.8) 100%)}
.hero-content{position:relative;z-index:2;padding:0 20px}
.hero-content h1{font-size:3rem;margin-bottom:16px;background:linear-gradient(135deg,#E8336D,#FFD700);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content p{font-size:1.2rem;color:#A0A0B8;max-width:700px;margin:0 auto 30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-tags span{padding:6px 16px;background:rgba(232,51,109,.15);border:1px solid rgba(232,51,109,.3);border-radius:20px;font-size:.85rem;color:#E8336D}
.btn-primary{display:inline-block;padding:12px 32px;background:linear-gradient(135deg,#E8336D,#c4245a);color:#fff;border-radius:25px;font-size:1rem;font-weight:600;transition:all .3s;border:none;cursor:pointer}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(232,51,109,.4);color:#fff}
.btn-outline{display:inline-block;padding:12px 32px;border:2px solid #E8336D;color:#E8336D;border-radius:25px;font-size:1rem;font-weight:600;transition:all .3s;cursor:pointer;background:transparent}
.btn-outline:hover{background:#E8336D;color:#fff}
.hero-btns{display:flex;gap:16px;justify-content:center;margin-top:20px}

/* === 传媒视频卡片 === */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.video-card{background:#1C1C30;border-radius:12px;overflow:hidden;transition:all .3s;border:1px solid rgba(232,51,109,.1)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(232,51,109,.2);border-color:rgba(232,51,109,.3)}
.video-thumb{position:relative;padding-top:66.67%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:56px;height:56px;background:rgba(232,51,109,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:all .3s;cursor:pointer}
.play-btn::after{content:"";width:0;height:0;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;margin-left:4px}
.video-card:hover .play-btn{opacity:1}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:.75rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-meta{display:flex;gap:12px;color:#A0A0B8;font-size:.8rem}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{font-size:.72rem;padding:2px 8px;background:rgba(232,51,109,.1);color:#E8336D;border-radius:10px}

/* === 栏目分类标签 === */
.category-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:30px}
.category-tabs a{padding:8px 20px;background:rgba(28,28,48,.8);border:1px solid rgba(232,51,109,.2);border-radius:20px;color:#A0A0B8;font-size:.9rem;transition:all .3s}
.category-tabs a:hover,.category-tabs a.active{background:rgba(232,51,109,.15);color:#E8336D;border-color:#E8336D}

/* === 专家卡片 === */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.expert-card{background:#1C1C30;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(232,51,109,.1);transition:all .3s}
.expert-card:hover{border-color:rgba(232,51,109,.3);transform:translateY(-4px)}
.expert-avatar{width:100px;height:100px;border-radius:50%;margin:0 auto 16px;overflow:hidden;border:3px solid #E8336D}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h4{font-size:1.1rem;margin-bottom:4px}
.expert-card .role{color:#E8336D;font-size:.85rem;margin-bottom:10px}
.expert-card p{color:#A0A0B8;font-size:.85rem;margin-bottom:14px;line-height:1.5}
.expert-links{display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 16px;border-radius:20px;font-size:.8rem;border:1px solid #E8336D;color:#E8336D;transition:all .3s}
.expert-links a:hover{background:#E8336D;color:#fff}

/* === FAQ 手风琴 === */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#1C1C30;border-radius:10px;margin-bottom:12px;border:1px solid rgba(232,51,109,.1);overflow:hidden}
.faq-question{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1rem;transition:all .3s}
.faq-question:hover{color:#E8336D}
.faq-question::after{content:"+";font-size:1.4rem;color:#E8336D;transition:transform .3s}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:all .4s ease;color:#A0A0B8;font-size:.95rem;line-height:1.7}
.faq-item.active .faq-answer{padding:0 20px 18px;max-height:500px}

/* === 用户评论 === */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.review-card{background:#1C1C30;border-radius:12px;padding:24px;border:1px solid rgba(232,51,109,.1)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#E8336D,#FFD700);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;color:#fff;flex-shrink:0}
.review-name{font-weight:600;font-size:.95rem}
.review-date{color:#A0A0B8;font-size:.8rem}
.review-stars{color:#FFD700;margin-bottom:10px;font-size:.9rem;letter-spacing:2px}
.review-text{color:#A0A0B8;font-size:.9rem;line-height:1.6}

/* === 合作品牌墙 === */
.brand-wall{display:flex;flex-wrap:wrap;gap:30px;justify-content:center;align-items:center}
.brand-wall .brand-item{background:rgba(28,28,48,.6);padding:16px 28px;border-radius:10px;border:1px solid rgba(232,51,109,.1);color:#A0A0B8;font-size:1rem;font-weight:600;transition:all .3s}
.brand-wall .brand-item:hover{border-color:#E8336D;color:#E8336D}

/* === 社区功能 === */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.feature-card{background:#1C1C30;border-radius:12px;padding:28px 20px;text-align:center;border:1px solid rgba(232,51,109,.1);transition:all .3s}
.feature-card:hover{border-color:#E8336D;transform:translateY(-4px)}
.feature-icon{font-size:2.5rem;margin-bottom:14px}
.feature-card h4{font-size:1.05rem;margin-bottom:8px}
.feature-card p{color:#A0A0B8;font-size:.85rem;line-height:1.5}

/* === How-To 指南 === */
.howto-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;max-width:960px;margin:0 auto}
.howto-step{background:#1C1C30;border-radius:12px;padding:24px 20px;text-align:center;border:1px solid rgba(232,51,109,.1);position:relative}
.step-num{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#E8336D,#c4245a);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;margin:0 auto 14px}
.howto-step h4{font-size:1rem;margin-bottom:8px}
.howto-step p{color:#A0A0B8;font-size:.85rem}

/* === 联系信息 === */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.contact-card{background:#1C1C30;border-radius:12px;padding:28px;border:1px solid rgba(232,51,109,.1)}
.contact-card h4{font-size:1.1rem;margin-bottom:14px;color:#E8336D}
.contact-card p{color:#A0A0B8;font-size:.9rem;margin-bottom:8px;line-height:1.6}

/* === 社交分享 === */
.share-bar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;padding:20px 0}
.share-btn{padding:10px 20px;border-radius:25px;font-size:.85rem;font-weight:600;transition:all .3s;cursor:pointer;border:none;color:#fff}
.share-btn.wechat{background:#07C160}
.share-btn.weibo{background:#E6162D}
.share-btn.douyin{background:#161823}
.share-btn.bilibili{background:#00A1D6}
.share-btn:hover{transform:translateY(-2px);opacity:.9}

/* === 面包屑 === */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#A0A0B8}
.breadcrumb a{color:#E8336D}
.breadcrumb span{margin:0 8px;color:#555}

/* === 页脚 === */
.site-footer{background:#0A0A15;border-top:1px solid rgba(232,51,109,.15);padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px;margin-bottom:40px}
.footer-col h4{font-size:1rem;margin-bottom:16px;color:#E8336D}
.footer-col p,.footer-col a{color:#A0A0B8;font-size:.85rem;line-height:2}
.footer-col a:hover{color:#E8336D}
.footer-col .qr-img{width:120px;border-radius:8px;margin-top:8px}
.footer-bottom{border-top:1px solid rgba(232,51,109,.1);padding:20px 0;text-align:center;color:#A0A0B8;font-size:.8rem}
.footer-logo{display:flex;align-items:center;gap:8px;margin-bottom:12px}
.footer-logo img{height:36px}
.footer-logo span{font-size:1.2rem;font-weight:700;color:#E8336D}

/* === 数据统计条 === */
.stats-bar{background:linear-gradient(135deg,rgba(232,51,109,.1),rgba(255,215,0,.05));padding:40px 0;border-top:1px solid rgba(232,51,109,.1);border-bottom:1px solid rgba(232,51,109,.1)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-item .num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,#E8336D,#FFD700);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .label{color:#A0A0B8;font-size:.85rem;margin-top:4px}

/* === 内页通用 === */
.page-hero{padding:100px 0 40px;text-align:center;background:linear-gradient(180deg,rgba(232,51,109,.08),transparent)}
.page-hero h1{font-size:2.2rem;margin-bottom:10px}
.page-hero p{color:#A0A0B8;font-size:1rem}

/* === 响应式 === */
@media(max-width:768px){
  .header-inner{padding:10px 16px}
  .main-nav{position:fixed;top:66px;left:0;width:100%;background:rgba(15,15,26,.98);flex-direction:column;padding:20px;transform:translateY(-120%);transition:transform .3s;gap:4px}
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:12px 16px;width:100%;text-align:center}
  .mobile-toggle{display:flex}
  .hero{height:60vh;min-height:400px}
  .hero-content h1{font-size:2rem}
  .hero-content p{font-size:1rem}
  .section{padding:40px 0}
  .section-title h2{font-size:1.6rem}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-item .num{font-size:1.5rem}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .hero-btns{flex-direction:column;align-items:center;gap:10px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .hero-content h1{font-size:1.6rem}
  .video-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
}

/* === 最新动态/新闻列表 === */
.news-list{max-width:800px;margin:0 auto}
.news-item{display:flex;align-items:center;gap:14px;padding:14px 18px;background:#1C1C30;border-radius:10px;margin-bottom:10px;border:1px solid rgba(232,51,109,.1);transition:all .3s;flex-wrap:wrap}
.news-item:hover{border-color:rgba(232,51,109,.3);transform:translateX(4px)}
.news-date{color:#A0A0B8;font-size:.8rem;white-space:nowrap;min-width:90px}
.news-item a{flex:1;color:#F0F0F0;font-size:.95rem;transition:color .3s;min-width:200px}
.news-item a:hover{color:#E8336D}
.news-tag{display:inline-block;padding:2px 10px;background:rgba(232,51,109,.12);color:#E8336D;border-radius:12px;font-size:.75rem;white-space:nowrap}

/* === 页脚链接栏 === */
.footer-links{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;padding:20px 0;border-top:1px solid rgba(232,51,109,.1);margin-top:10px}
.footer-links a{color:#A0A0B8;font-size:.85rem;transition:color .3s}
.footer-links a:hover{color:#E8336D}

/* === 信任徽章 === */
.trust-badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{display:inline-block;padding:3px 10px;background:rgba(232,51,109,.1);color:#E8336D;border-radius:12px;font-size:.72rem;border:1px solid rgba(232,51,109,.2)}

/* === 响应式补充 === */
@media(max-width:768px){
  .news-item{flex-direction:column;align-items:flex-start;gap:6px}
  .news-date{min-width:auto}
  .footer-links{gap:10px}
}