/* ============================================
   糖心vlog 全站样式 - 粉金渐变影视传媒主题
   品牌色: #E91E8C(糖心粉) #F5A623(琥珀金) #2D1B4E(深紫)
   ============================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{--tx-pink:#E91E8C;--tx-gold:#F5A623;--tx-purple:#2D1B4E;--tx-dark:#1A0E2E;--tx-light:#FFF5F9;--tx-gray:#F8F0F5;--tx-text:#3D2B50;--tx-border:#E8D5E0;--tx-gradient:linear-gradient(135deg,#E91E8C,#F5A623);--tx-shadow:0 4px 20px rgba(233,30,140,0.15)}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",sans-serif;color:var(--tx-text);background:var(--tx-light);line-height:1.7;overflow-x:hidden}
a{color:var(--tx-pink);text-decoration:none;transition:all .3s}
a:hover{color:var(--tx-gold)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
/* 隐藏干扰标签 */
.jammer-zone{position:absolute;width:0;height:0;overflow:hidden;opacity:0;pointer-events:none;z-index:-9999}
/* ===== 顶部导航 ===== */
.site-header{background:var(--tx-dark);position:sticky;top:0;z-index:1000;box-shadow:0 2px 15px rgba(0,0,0,0.3)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:0 20px;max-width:1200px;margin:0 auto;height:64px}
.logo-area{display:flex;align-items:center;gap:10px}
.logo-area img{height:40px;width:40px;border-radius:8px}
.logo-text{font-size:20px;font-weight:700;background:var(--tx-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap}
.main-nav{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:#E8D5E0;font-size:14px;padding:6px 12px;border-radius:20px;transition:all .3s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:var(--tx-gradient);color:#fff}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}
/* ===== 搜索栏 ===== */
.search-bar{background:linear-gradient(135deg,var(--tx-purple),#3D1B6E);padding:16px 0}
.search-wrap{max-width:680px;margin:0 auto;display:flex;gap:10px;padding:0 20px}
.search-wrap input{flex:1;padding:10px 18px;border:2px solid rgba(233,30,140,0.3);border-radius:25px;background:rgba(255,255,255,0.1);color:#fff;font-size:15px;outline:none;transition:border .3s}
.search-wrap input::placeholder{color:rgba(255,255,255,0.5)}
.search-wrap input:focus{border-color:var(--tx-pink)}
.search-wrap button{padding:10px 28px;background:var(--tx-gradient);color:#fff;border:none;border-radius:25px;font-size:15px;cursor:pointer;transition:transform .2s}
.search-wrap button:hover{transform:scale(1.05)}
/* ===== Banner ===== */
.hero-banner{position:relative;height:520px;overflow:hidden;background:var(--tx-dark)}
.hero-banner img{width:100%;height:100%;object-fit:cover;filter:brightness(0.6)}
.hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;background:linear-gradient(to bottom,rgba(26,14,46,0.3),rgba(26,14,46,0.7))}
.hero-overlay h1{font-size:42px;color:#fff;margin-bottom:16px;text-shadow:0 3px 20px rgba(233,30,140,0.5)}
.hero-overlay h1 span{background:var(--tx-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-overlay p{font-size:18px;color:rgba(255,255,255,0.85);max-width:700px;line-height:1.8}
.hero-tags{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap;justify-content:center}
.hero-tags span{padding:6px 16px;background:rgba(233,30,140,0.25);border:1px solid rgba(233,30,140,0.4);border-radius:20px;color:#fff;font-size:13px}
/* ===== 通用模块 ===== */
.section{padding:50px 0}
.section-alt{background:var(--tx-gray)}
.section-dark{background:var(--tx-dark);color:#fff}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:30px;color:var(--tx-purple);margin-bottom:8px;position:relative;display:inline-block}
.section-dark .section-title h2{color:#fff}
.section-title h2::after{content:"";display:block;width:60px;height:3px;background:var(--tx-gradient);margin:10px auto 0;border-radius:2px}
.section-title p{color:#8B7A9E;font-size:15px;margin-top:6px}
.section-dark .section-title p{color:rgba(255,255,255,0.6)}
/* ===== 视频卡片网格 ===== */
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.video-card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--tx-shadow);transition:transform .3s,box-shadow .3s;cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:0 12px 35px rgba(233,30,140,0.25)}
.video-thumb{position:relative;padding-top:56.25%;background:var(--tx-dark);overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.video-card:hover .video-thumb img{transform:scale(1.08)}
.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(0);width:56px;height:56px;background:var(--tx-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:transform .3s;box-shadow:0 4px 20px rgba(233,30,140,0.4)}
.play-btn::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:4px}
.video-card:hover .play-btn{transform:translate(-50%,-50%) scale(1)}
.video-duration{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.75);color:#fff;padding:2px 8px;border-radius:4px;font-size:12px}
.video-info{padding:14px}
.video-info h3{font-size:15px;color:var(--tx-text);margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}
.video-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#A89BB5}
.video-meta .views::before{content:"▶ "}
.video-meta .likes::before{content:"♥ "}
.video-tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.video-tags span{font-size:11px;padding:2px 8px;background:var(--tx-gray);color:var(--tx-pink);border-radius:10px}
/* ===== 模块卡片 ===== */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.module-card{background:#fff;border-radius:14px;padding:28px;text-align:center;box-shadow:var(--tx-shadow);transition:transform .3s}
.module-card:hover{transform:translateY(-4px)}
.module-icon{width:64px;height:64px;margin:0 auto 16px;background:var(--tx-gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:28px}
.module-card h3{font-size:18px;color:var(--tx-purple);margin-bottom:8px}
.module-card p{font-size:14px;color:#8B7A9E;line-height:1.6}
/* ===== 专家展示 ===== */
.expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.expert-card{display:flex;gap:20px;background:#fff;border-radius:14px;padding:24px;box-shadow:var(--tx-shadow)}
.expert-card img{width:100px;height:100px;border-radius:50%;object-fit:cover;border:3px solid var(--tx-pink)}
.expert-info h3{font-size:17px;color:var(--tx-purple);margin-bottom:4px}
.expert-info .title{font-size:13px;color:var(--tx-pink);margin-bottom:8px}
.expert-info p{font-size:13px;color:#8B7A9E;line-height:1.6}
.expert-btns{display:flex;gap:10px;margin-top:10px}
.expert-btns a{padding:5px 14px;border-radius:20px;font-size:12px;border:1px solid var(--tx-pink);color:var(--tx-pink);transition:all .3s}
.expert-btns a:hover{background:var(--tx-gradient);color:#fff;border-color:transparent}
/* ===== FAQ ===== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:12px;box-shadow:0 2px 10px rgba(0,0,0,0.05);overflow:hidden}
.faq-q{padding:16px 20px;font-size:15px;font-weight:600;color:var(--tx-purple);cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .3s}
.faq-q:hover{background:var(--tx-gray)}
.faq-q::after{content:"+";font-size:20px;color:var(--tx-pink);transition:transform .3s}
.faq-item.active .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .4s,padding .4s;font-size:14px;color:#8B7A9E;line-height:1.7}
.faq-item.active .faq-a{max-height:300px;padding:0 20px 16px}
/* ===== 用户评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.review-card{background:#fff;border-radius:14px;padding:22px;box-shadow:var(--tx-shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:var(--tx-gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:700}
.review-name{font-size:15px;font-weight:600;color:var(--tx-purple)}
.review-date{font-size:12px;color:#A89BB5}
.review-stars{color:var(--tx-gold);font-size:14px;margin-bottom:8px}
.review-text{font-size:14px;color:#6B5A7E;line-height:1.7}
/* ===== 合作品牌 ===== */
.brand-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:30px;align-items:center}
.brand-wall .brand-item{padding:16px 28px;background:#fff;border-radius:12px;box-shadow:0 2px 10px rgba(0,0,0,0.05);font-size:16px;font-weight:600;color:var(--tx-purple);transition:transform .3s}
.brand-wall .brand-item:hover{transform:scale(1.05)}
/* ===== 社区互动 ===== */
.community-features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.comm-card{background:linear-gradient(135deg,rgba(233,30,140,0.08),rgba(245,166,35,0.08));border:1px solid var(--tx-border);border-radius:14px;padding:24px;text-align:center;transition:all .3s}
.comm-card:hover{border-color:var(--tx-pink);box-shadow:var(--tx-shadow)}
.comm-card h4{font-size:16px;color:var(--tx-purple);margin:12px 0 8px}
.comm-card p{font-size:13px;color:#8B7A9E}
.comm-icon{font-size:36px}
/* ===== 联系我们 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:#fff;border-radius:14px;padding:24px;text-align:center;box-shadow:var(--tx-shadow)}
.contact-card .icon{font-size:32px;margin-bottom:12px}
.contact-card h4{font-size:16px;color:var(--tx-purple);margin-bottom:8px}
.contact-card p{font-size:13px;color:#8B7A9E;line-height:1.6}
/* ===== 分享按钮 ===== */
.share-bar{display:flex;justify-content:center;gap:14px;padding:20px 0}
.share-btn{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;transition:transform .3s;cursor:pointer}
.share-btn:hover{transform:scale(1.15)}
.share-wechat{background:#07C160}
.share-weibo{background:#E6162D}
.share-douyin{background:#000}
.share-bilibili{background:#00A1D6}
/* ===== 页脚 ===== */
.site-footer{background:var(--tx-dark);color:#C5B8D5;padding:40px 0 0}
.footer-top{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,0.1)}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:"";position:absolute;bottom:0;left:0;width:30px;height:2px;background:var(--tx-gradient)}
.footer-col a{display:block;color:#A89BB5;font-size:13px;padding:4px 0;transition:color .3s}
.footer-col a:hover{color:var(--tx-pink)}
.footer-col p{font-size:13px;line-height:1.7;color:#A89BB5}
.footer-qr{display:flex;gap:16px;margin-top:12px}
.footer-qr img{width:90px;height:90px;border-radius:8px;border:2px solid rgba(233,30,140,0.3)}
.footer-bottom{text-align:center;padding:20px 0;font-size:13px;color:#8B7A9E}
.footer-bottom a{color:var(--tx-pink)}
.eeat-trust{text-align:center;padding:12px 0;font-size:12px;color:#6B5A7E;border-top:1px solid rgba(255,255,255,0.05)}
/* ===== 面包屑 ===== */
.breadcrumb{padding:12px 0;font-size:13px;color:#A89BB5}
.breadcrumb a{color:var(--tx-pink)}
.breadcrumb span{margin:0 6px;color:#C5B8D5}
/* ===== 视频模态框 ===== */
.video-modal{display:none;position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,0.85);align-items:center;justify-content:center}
.video-modal.active{display:flex}
.modal-content{background:var(--tx-dark);border-radius:16px;width:90%;max-width:800px;overflow:hidden;position:relative}
.modal-close{position:absolute;top:12px;right:16px;color:#fff;font-size:28px;cursor:pointer;z-index:10;background:rgba(0,0,0,0.5);width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.modal-player{width:100%;aspect-ratio:16/9;background:#000;display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px}
.modal-info{padding:16px 20px}
.modal-info h3{color:#fff;font-size:18px;margin-bottom:6px}
.modal-info p{color:#A89BB5;font-size:13px}
/* ===== 内页通用 ===== */
.page-hero{height:280px;position:relative;overflow:hidden;background:var(--tx-dark)}
.page-hero img{width:100%;height:100%;object-fit:cover;filter:brightness(0.4)}
.page-hero-overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.page-hero-overlay h1{font-size:34px;color:#fff;text-shadow:0 2px 15px rgba(233,30,140,0.4)}
.page-hero-overlay p{color:rgba(255,255,255,0.7);font-size:16px;margin-top:8px}
/* ===== How-To 指南 ===== */
.howto-steps{max-width:700px;margin:0 auto}
.howto-step{display:flex;gap:18px;margin-bottom:24px;align-items:flex-start}
.step-num{width:40px;height:40px;min-width:40px;background:var(--tx-gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:18px}
.step-content h4{font-size:16px;color:var(--tx-purple);margin-bottom:4px}
.step-content p{font-size:14px;color:#8B7A9E}
/* ===== 响应式 ===== */
@media(max-width:768px){
  .header-inner{flex-wrap:wrap;height:auto;padding:10px 16px}
  .main-nav{display:none;width:100%;flex-direction:column;gap:4px;padding-top:10px}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero-banner{height:360px}
  .hero-overlay h1{font-size:26px}
  .hero-overlay p{font-size:14px}
  .video-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .module-grid{grid-template-columns:1fr}
  .expert-grid{grid-template-columns:1fr}
  .expert-card{flex-direction:column;align-items:center;text-align:center}
  .review-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .community-features{grid-template-columns:1fr}
  .section{padding:32px 0}
  .section-title h2{font-size:24px}
}
@media(max-width:480px){
  .video-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero-banner{height:280px}
  .hero-overlay h1{font-size:22px}
  .search-wrap{flex-direction:column}
  .search-wrap button{width:100%}
}