/* ============================================
   糖心vlog - 影视传媒视频社区 原创样式表
   配色：星耀紫 #7B2D8E / 金魂色 #F0C040 / 灵泉青 #00BCD4
   ============================================ */
*{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:#0D0A1A;color:#E8E0F0;line-height:1.7;overflow-x:hidden}
a{color:#00BCD4;text-decoration:none;transition:color .3s}
a:hover{color:#F0C040}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* 干扰标签隐藏 */
.tx-noise{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}

/* 顶部导航 */
.site-header{background:linear-gradient(180deg,#120E24 0%,#0D0A1A 100%);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(123,45,142,.3);backdrop-filter:blur(12px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.nav-logo{display:flex;align-items:center;gap:10px}
.nav-logo img{height:42px;width:auto;border-radius:6px}
.nav-logo span{font-size:1.35rem;font-weight:700;color:#F0C040;letter-spacing:1px}
.nav-menu{display:flex;list-style:none;gap:28px}
.nav-menu li a{color:#E8E0F0;font-size:.95rem;padding:6px 0;position:relative;transition:color .3s}
.nav-menu li a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:linear-gradient(90deg,#7B2D8E,#F0C040);transition:width .3s}
.nav-menu li a:hover{color:#F0C040}
.nav-menu li a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:2px;background:#F0C040;transition:.3s}

/* 搜索框 */
.search-bar{background:rgba(26,18,48,.8);padding:16px 0;border-bottom:1px solid rgba(123,45,142,.15)}
.search-wrap{display:flex;max-width:600px;margin:0 auto}
.search-wrap input{flex:1;padding:10px 18px;border:2px solid rgba(123,45,142,.4);border-right:none;border-radius:25px 0 0 25px;background:rgba(13,10,26,.9);color:#E8E0F0;font-size:.95rem;outline:none;transition:border-color .3s}
.search-wrap input:focus{border-color:#7B2D8E}
.search-wrap button{padding:10px 28px;background:linear-gradient(135deg,#7B2D8E,#5A1E6E);color:#F0C040;border:2px solid #7B2D8E;border-radius:0 25px 25px 0;cursor:pointer;font-size:.95rem;transition:background .3s}
.search-wrap button:hover{background:linear-gradient(135deg,#9B3DAE,#7B2D8E)}

/* Hero Banner */
.hero-section{position:relative;overflow:hidden;min-height:480px;display:flex;align-items:center}
.hero-slider{position:relative;width:100%;min-height:480px}
.hero-slide{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.hero-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;background:linear-gradient(90deg,rgba(13,10,26,.85) 0%,rgba(13,10,26,.3) 60%,transparent 100%)}
.hero-text{padding:40px 60px;max-width:650px}
.hero-text h1{font-size:2.6rem;font-weight:800;color:#F0C040;margin-bottom:16px;text-shadow:0 0 30px rgba(123,45,142,.6)}
.hero-text p{font-size:1.1rem;color:#E8E0F0;margin-bottom:24px;line-height:1.8}
.hero-btn{display:inline-block;padding:12px 36px;background:linear-gradient(135deg,#7B2D8E,#00BCD4);color:#fff;border-radius:30px;font-weight:600;transition:transform .3s,box-shadow .3s}
.hero-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(123,45,142,.4);color:#fff}

/* 通用板块标题 */
.section-title{text-align:center;padding:50px 0 30px}
.section-title h2{font-size:1.9rem;font-weight:700;color:#F0C040;margin-bottom:10px;position:relative;display:inline-block}
.section-title h2::before,.section-title h2::after{content:'';position:absolute;top:50%;width:50px;height:2px;background:linear-gradient(90deg,transparent,#7B2D8E)}
.section-title h2::before{right:calc(100% + 15px)}
.section-title h2::after{left:calc(100% + 15px)}
.section-title p{color:#B8A8D0;font-size:1rem}

/* 视频卡片网格 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;padding:0 0 50px}
.video-card{background:linear-gradient(145deg,#1A1230,#221845);border-radius:12px;overflow:hidden;transition:transform .3s,box-shadow .3s;border:1px solid rgba(123,45,142,.2)}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(123,45,142,.3)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.video-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(123,45,142,.85);border-radius:50%;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s,transform .3s}
.video-card:hover .video-play{opacity:1;transform:translate(-50%,-50%) scale(1.1)}
.video-play::after{content:'';border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #F0C040;margin-left:3px}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(13,10,26,.85);color:#F0C040;padding:2px 8px;border-radius:4px;font-size:.8rem}
.video-info{padding:14px 16px}
.video-info h3{font-size:1rem;font-weight:600;color:#E8E0F0;margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.video-meta{display:flex;gap:14px;font-size:.82rem;color:#9B8BB8}
.video-meta span{display:flex;align-items:center;gap:4px}
.video-tag{display:inline-block;background:rgba(123,45,142,.25);color:#C8A0E8;padding:2px 10px;border-radius:12px;font-size:.75rem;margin-top:8px}

/* 特色模块网格 */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px;padding:0 0 50px}
.feature-card{background:linear-gradient(145deg,#1A1230,#1E1540);border-radius:14px;padding:28px 22px;text-align:center;border:1px solid rgba(123,45,142,.2);transition:transform .3s,border-color .3s}
.feature-card:hover{transform:translateY(-5px);border-color:#7B2D8E}
.feature-icon{width:64px;height:64px;margin:0 auto 16px;background:linear-gradient(135deg,#7B2D8E,#00BCD4);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.feature-card h3{font-size:1.1rem;color:#F0C040;margin-bottom:10px}
.feature-card p{font-size:.9rem;color:#B8A8D0;line-height:1.6}

/* 专家展示 */
.expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;padding:0 0 50px}
.expert-card{background:linear-gradient(145deg,#1A1230,#221845);border-radius:14px;overflow:hidden;text-align:center;border:1px solid rgba(123,45,142,.2);transition:transform .3s}
.expert-card:hover{transform:translateY(-5px)}
.expert-avatar{width:120px;height:120px;border-radius:50%;margin:24px auto 16px;overflow:hidden;border:3px solid #7B2D8E}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-card h3{font-size:1.1rem;color:#F0C040;margin-bottom:4px}
.expert-card .expert-role{color:#00BCD4;font-size:.85rem;margin-bottom:10px}
.expert-card p{font-size:.88rem;color:#B8A8D0;padding:0 18px 8px;line-height:1.5}
.expert-links{padding:12px 18px 20px;display:flex;gap:10px;justify-content:center}
.expert-links a{padding:6px 16px;border-radius:20px;font-size:.82rem;transition:background .3s}
.expert-links .btn-contact{background:linear-gradient(135deg,#7B2D8E,#5A1E6E);color:#F0C040}
.expert-links .btn-works{background:rgba(0,188,212,.15);color:#00BCD4;border:1px solid rgba(0,188,212,.3)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto;padding:0 0 50px}
.faq-item{background:linear-gradient(145deg,#1A1230,#1E1540);border-radius:10px;margin-bottom:14px;border:1px solid rgba(123,45,142,.2);overflow:hidden}
.faq-question{padding:18px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#E8E0F0;transition:color .3s}
.faq-question:hover{color:#F0C040}
.faq-question::after{content:'+';font-size:1.4rem;color:#7B2D8E;transition:transform .3s}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 22px;max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;color:#B8A8D0;font-size:.92rem;line-height:1.7}
.faq-item.open .faq-answer{max-height:300px;padding:0 22px 18px}

/* 用户评论 */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;padding:0 0 50px}
.review-card{background:linear-gradient(145deg,#1A1230,#221845);border-radius:12px;padding:24px;border:1px solid rgba(123,45,142,.2)}
.review-stars{color:#F0C040;font-size:1rem;margin-bottom:10px;letter-spacing:2px}
.review-card p{font-size:.92rem;color:#B8A8D0;line-height:1.6;margin-bottom:12px;font-style:italic}
.review-author{display:flex;align-items:center;gap:10px}
.review-author .avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#7B2D8E,#00BCD4);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.85rem;font-weight:700}
.review-author .name{font-size:.88rem;color:#E8E0F0}
.review-author .date{font-size:.78rem;color:#9B8BB8}

/* 合作品牌 */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;padding:20px 0 50px}
.brand-wall .brand-item{width:120px;height:60px;background:rgba(26,18,48,.8);border-radius:8px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(123,45,142,.15);color:#9B8BB8;font-size:.85rem;transition:border-color .3s}
.brand-wall .brand-item:hover{border-color:#7B2D8E}

/* 联系我们 */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;padding:0 0 50px}
.contact-card{background:linear-gradient(145deg,#1A1230,#1E1540);border-radius:12px;padding:28px;border:1px solid rgba(123,45,142,.2)}
.contact-card h3{font-size:1.1rem;color:#F0C040;margin-bottom:14px}
.contact-card p{font-size:.9rem;color:#B8A8D0;margin-bottom:8px;line-height:1.6}
.contact-qr{text-align:center;padding:10px 0}
.contact-qr img{width:160px;height:160px;border-radius:8px;margin:0 auto 8px;border:2px solid rgba(123,45,142,.3)}
.contact-qr span{font-size:.82rem;color:#9B8BB8}

/* 社交分享 */
.share-bar{display:flex;justify-content:center;gap:16px;padding:20px 0}
.share-btn{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;color:#E8E0F0;transition:transform .3s,background .3s}
.share-btn:hover{transform:scale(1.15)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#161823}
.share-bilibili{background:#FB7299}

/* 底部 */
.site-footer{background:linear-gradient(180deg,#0D0A1A,#08061A);border-top:1px solid rgba(123,45,142,.2);padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{font-size:1rem;color:#F0C040;margin-bottom:14px}
.footer-col p,.footer-col a{font-size:.88rem;color:#9B8BB8;display:block;margin-bottom:6px;transition:color .3s}
.footer-col a:hover{color:#00BCD4}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(123,45,142,.15);font-size:.82rem;color:#7A6B98}
.footer-qr-row{display:flex;justify-content:center;gap:40px;margin:20px 0}

/* 面包屑 */
.breadcrumb{padding:14px 0;font-size:.85rem;color:#9B8BB8}
.breadcrumb a{color:#00BCD4}
.breadcrumb span{margin:0 8px;color:#7A6B98}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:8px;padding:30px 0}
.pagination a,.pagination span{padding:8px 14px;border-radius:6px;font-size:.88rem}
.pagination a{background:rgba(26,18,48,.8);color:#E8E0F0;border:1px solid rgba(123,45,142,.2);transition:background .3s}
.pagination a:hover{background:#7B2D8E;color:#fff}
.pagination .current{background:#7B2D8E;color:#fff}

/* 响应式 */
@media(max-width:768px){
  .nav-menu{display:none;position:absolute;top:100%;left:0;width:100%;background:#120E24;flex-direction:column;padding:20px;gap:16px;border-bottom:1px solid rgba(123,45,142,.3)}
  .nav-menu.active{display:flex}
  .nav-toggle{display:flex}
  .hero-text{padding:30px 20px}
  .hero-text h1{font-size:1.7rem}
  .hero-section{min-height:350px}
  .hero-slider{min-height:350px}
  .video-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
  .feature-grid{grid-template-columns:1fr 1fr;gap:14px}
  .expert-grid{grid-template-columns:1fr 1fr}
  .section-title h2{font-size:1.5rem}
  .section-title h2::before,.section-title h2::after{width:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .feature-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .video-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
}