/* ========================================
   抖阴 - 影视传媒创作与社区互动平台
   原创CSS样式表 | tjyhmk.cn
   ======================================== */

/* CSS Reset & Base */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --c-primary:#E8456B;
  --c-secondary:#2D1B4E;
  --c-accent:#FF8C42;
  --c-bg:#FFF8F0;
  --c-text:#1A1A2E;
  --c-light:#F5E6D3;
  --c-white:#FFFFFF;
  --c-gray:#6B7280;
  --c-border:#E5D5C3;
  --gradient:linear-gradient(135deg,#E8456B,#FF8C42);
  --shadow:0 4px 20px rgba(45,27,78,0.1);
  --shadow-lg:0 8px 40px rgba(45,27,78,0.15);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:20px;
  --transition:all 0.3s ease;
  --max-w:1200px;
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--c-text);background:var(--c-bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* ========== Header ========== */
.site-header{background:var(--c-white);position:sticky;top:0;z-index:1000;box-shadow:0 2px 12px rgba(0,0,0,0.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max-w);margin:0 auto;padding:0 20px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:48px;width:auto}
.logo-text{font-size:1.5rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.main-nav{display:flex;gap:6px}
.main-nav a{padding:8px 16px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;color:var(--c-text);transition:var(--transition)}
.main-nav a:hover,.main-nav a.active{background:var(--gradient);color:var(--c-white)}
.b0ukt8{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--c-text)}

/* Search Bar */
.search-bar{background:linear-gradient(135deg,#2D1B4E 0%,#E8456B 100%);padding:16px 0}
.search-bar .container{display:flex;justify-content:center}
.search-box{display:flex;max-width:600px;width:100%;background:var(--c-white);border-radius:50px;overflow:hidden;box-shadow:var(--shadow)}
.search-box input{flex:1;border:none;padding:12px 24px;font-size:1rem;outline:none;background:transparent;color:var(--c-text)}
.search-box button{background:var(--gradient);border:none;padding:12px 28px;color:var(--c-white);font-size:1rem;cursor:pointer;font-weight:600;transition:var(--transition)}
.search-box button:hover{opacity:0.9}

/* ========== Hero ========== */
.hero{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(45,27,78,0.75),rgba(232,69,107,0.55))}
.hero-content{position:relative;z-index:1;color:var(--c-white);text-align:center;width:100%;padding:60px 20px}
.hero h1{font-size:3rem;font-weight:800;margin-bottom:16px;text-shadow:0 2px 20px rgba(0,0,0,0.3)}
.hero h1 .brand{color:#FF8C42}
.hero p{font-size:1.25rem;max-width:700px;margin:0 auto 32px;opacity:0.95;line-height:1.8}
.i626yrh{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:32px}
.i626yrh span{background:rgba(255,255,255,0.2);backdrop-filter:blur(10px);padding:6px 18px;border-radius:50px;font-size:0.9rem;border:1px solid rgba(255,255,255,0.3)}
.1mqudd8k{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:50px;font-weight:600;font-size:1rem;transition:var(--transition);cursor:pointer;border:none}
.btn-primary{background:var(--gradient);color:var(--c-white);box-shadow:0 4px 20px rgba(232,69,107,0.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(232,69,107,0.5)}
.btn-outline{background:transparent;color:var(--c-white);border:2px solid var(--c-white)}
.btn-outline:hover{background:var(--c-white);color:var(--c-primary)}

/* ========== Section Common ========== */
.section{padding:80px 0}
.section-alt{background:var(--c-white)}
.section-dark{background:var(--c-secondary);color:var(--c-white)}
.section-header{text-align:center;margin-bottom:48px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:12px;color:var(--c-secondary)}
.section-dark .section-header h2{color:var(--c-white)}
.section-header .subtitle{font-size:1.1rem;color:var(--c-gray);max-width:600px;margin:0 auto}
.section-dark .section-header .subtitle{color:rgba(255,255,255,0.7)}
.section-tag{display:inline-block;background:var(--gradient);color:var(--c-white);padding:4px 16px;border-radius:50px;font-size:0.85rem;font-weight:600;margin-bottom:12px}

/* ========== Video Cards Grid ========== */
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.video-card{background:var(--c-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);cursor:pointer}
.video-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.video-thumb{position:relative;padding-top:56.25%;overflow:hidden}
.video-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.video-card:hover .video-thumb img{transform:scale(1.05)}
.c71mpf{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition);background:rgba(45,27,78,0.4)}
.video-card:hover .c71mpf{opacity:1}
.c71mpf span{width:60px;height:60px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(232,69,107,0.5)}
.c71mpf span::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-info{padding:16px}
.video-info h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bg3o0{display:flex;gap:16px;font-size:0.85rem;color:var(--c-gray)}
.bg3o0 span{display:flex;align-items:center;gap:4px}
.k1sdzc{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.k1sdzc span{background:var(--c-light);color:var(--c-primary);padding:2px 10px;border-radius:50px;font-size:0.78rem}
.1467rhni{position:absolute;bottom:8px;right:8px;background:rgba(0,0,0,0.7);color:#fff;padding:2px 8px;border-radius:4px;font-size:0.8rem}

/* ========== Feature Cards ========== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--c-white);border-radius:var(--radius);padding:32px 24px;text-align:center;box-shadow:var(--shadow);transition:var(--transition);border:1px solid transparent}
.feature-card:hover{border-color:var(--c-primary);transform:translateY(-4px)}
.feature-icon{width:64px;height:64px;margin:0 auto 16px;background:var(--gradient);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.feature-card h3{font-size:1.1rem;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:0.9rem;color:var(--c-gray);line-height:1.6}

/* ========== Expert Section ========== */
.expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.expert-card{display:flex;gap:24px;background:var(--c-white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:var(--transition)}
.expert-card:hover{box-shadow:var(--shadow-lg)}
.expert-avatar{width:120px;height:120px;border-radius:50%;overflow:hidden;flex-shrink:0;border:3px solid var(--c-primary)}
.expert-avatar img{width:100%;height:100%;object-fit:cover}
.expert-info h3{font-size:1.15rem;font-weight:600;margin-bottom:4px}
.expert-info .title{color:var(--c-primary);font-size:0.9rem;margin-bottom:8px}
.expert-info p{font-size:0.88rem;color:var(--c-gray);margin-bottom:12px;line-height:1.6}
.expert-btns{display:flex;gap:10px}
.btn-sm{padding:8px 18px;font-size:0.85rem;border-radius:50px;font-weight:500}

/* ========== Brand Wall ========== */
.81bqje{display:flex;flex-wrap:wrap;justify-content:center;gap:32px;align-items:center}
.81bqje-item{background:var(--c-white);padding:20px 32px;border-radius:var(--radius-sm);box-shadow:var(--shadow);transition:var(--transition);font-size:1.1rem;font-weight:600;color:var(--c-secondary)}
.81bqje-item:hover{transform:scale(1.05);box-shadow:var(--shadow-lg)}

/* ========== How-To Guide ========== */
.b8za9k3{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.xldwt{text-align:center;padding:24px;position:relative}
.xldwt::before{counter-increment:step;content:counter(step);width:48px;height:48px;background:var(--gradient);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:700;margin:0 auto 16px}
.xldwt h4{font-size:1rem;font-weight:600;margin-bottom:8px}
.xldwt p{font-size:0.88rem;color:var(--c-gray)}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--c-white);border-radius:var(--radius-sm);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-question{padding:18px 24px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-question:hover{color:var(--c-primary)}
.faq-question::after{content:'+';font-size:1.4rem;font-weight:300;transition:var(--transition);color:var(--c-primary)}
.faq-item.active .faq-question::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease;font-size:0.92rem;color:var(--c-gray);line-height:1.8}
.faq-item.active .faq-answer{max-height:300px;padding:0 24px 18px}

/* ========== Reviews ========== */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.review-card{background:var(--c-white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:1.1rem}
.review-name{font-weight:600;font-size:0.95rem}
.review-date{font-size:0.8rem;color:var(--c-gray)}
.review-stars{color:#FFB800;margin-bottom:8px;font-size:0.9rem}
.review-text{font-size:0.92rem;color:var(--c-gray);line-height:1.7}

/* ========== Contact ========== */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.contact-card{background:var(--c-white);border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow)}
.contact-card h3{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--c-secondary)}
.contact-card p{font-size:0.9rem;color:var(--c-gray);margin-bottom:8px;line-height:1.6}
.m19ykq6{width:160px;height:160px;margin:16px auto;border-radius:var(--radius-sm);overflow:hidden}
.m19ykq6 img{width:100%;height:100%;object-fit:cover}

/* ========== Social Share ========== */
.810l8wg{display:flex;justify-content:center;gap:16px;padding:24px 0}
.r65j23{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;transition:var(--transition);cursor:pointer;border:none}
.r65j23:hover{transform:scale(1.1)}
.ni9jp10{background:#07C160;color:#fff}
.2c97se{background:#E6162D;color:#fff}
.2hhncivc{background:#1A1A2E;color:#fff}
.pjqfqe{background:#00A1D6;color:#fff}

/* ========== Footer ========== */
.site-footer{background:var(--c-secondary);color:rgba(255,255,255,0.8);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:32px}
.footer-brand .logo-text{font-size:1.8rem;margin-bottom:12px;display:block}
.footer-brand p{font-size:0.9rem;line-height:1.7;opacity:0.8}
.footer-col h4{font-size:1rem;font-weight:600;color:var(--c-white);margin-bottom:16px;position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;left:0;bottom:0;width:30px;height:2px;background:var(--gradient)}
.footer-col a{display:block;font-size:0.88rem;padding:4px 0;opacity:0.7;transition:var(--transition)}
.footer-col a:hover{opacity:1;color:var(--c-primary);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.85rem;opacity:0.7}
.7ylpsf5{display:flex;gap:24px;justify-content:center;margin-top:16px}
.7ylpsf5-item{text-align:center}
.7ylpsf5-item img{width:100px;height:100px;border-radius:8px;margin-bottom:6px}
.7ylpsf5-item span{font-size:0.8rem;opacity:0.7}

/* ========== Breadcrumb ========== */
.breadcrumb{padding:12px 0;font-size:0.88rem;color:var(--c-gray)}
.breadcrumb a{color:var(--c-primary)}
.breadcrumb span{margin:0 8px;opacity:0.5}

/* ========== Inner Page ========== */
.page-hero{background:var(--gradient);padding:60px 0;text-align:center;color:var(--c-white)}
.page-hero h1{font-size:2.4rem;font-weight:700;margin-bottom:8px}
.page-hero p{font-size:1.05rem;opacity:0.9}
.content-section{padding:48px 0}
.article-card{background:var(--c-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:24px;transition:var(--transition)}
.article-card:hover{box-shadow:var(--shadow-lg)}
.article-card-body{padding:20px}
.article-card-body h3{font-size:1.1rem;font-weight:600;margin-bottom:8px}
.article-card-body p{font-size:0.9rem;color:var(--c-gray);line-height:1.7}

/* ========== Animations ========== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.si4rvk7{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}
.si4rvk7.visible{opacity:1;transform:translateY(0)}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .video-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .expert-grid{grid-template-columns:1fr}
  .b8za9k3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .header-inner{height:60px}
  .main-nav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--c-white);flex-direction:column;padding:16px;box-shadow:var(--shadow-lg);gap:4px}
  .main-nav.open{display:flex}
  .b0ukt8{display:block}
  .hero{min-height:400px}
  .hero h1{font-size:2rem}
  .hero p{font-size:1rem}
  .section{padding:48px 0}
  .section-header h2{font-size:1.6rem}
  .video-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .b8za9k3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .1mqudd8k{flex-direction:column;align-items:center}
}
@media(max-width:480px){
  .hero h1{font-size:1.6rem}
  .container{padding:0 16px}
  .logo-text{font-size:1.2rem}
}

/* ========== Lazy Load ========== */
img[data-src]{opacity:0;transition:opacity 0.3s ease}
img[data-src].loaded,img:not([data-src]){opacity:1}

/* ========== Community Module ========== */
.community-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.community-card{background:var(--c-white);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);transition:var(--transition)}
.community-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.community-icon{font-size:2.5rem;margin-bottom:12px}
.community-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.community-card p{font-size:0.88rem;color:var(--c-gray)}

/* ========== Stats Bar ========== */
.5v08d{display:flex;justify-content:center;gap:48px;padding:32px 0;flex-wrap:wrap}
.bsj2q2d{text-align:center}
.jujzr{font-size:2.2rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.neeeph{font-size:0.9rem;color:rgba(255,255,255,0.7);margin-top:4px}

/* ========== Entertainment Section ========== */
.69w5ql2{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.co3v4nx{border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer;box-shadow:var(--shadow)}
.co3v4nx img{width:100%;height:220px;object-fit:cover;transition:transform 0.5s ease}
.co3v4nx:hover img{transform:scale(1.08)}
.zbq3o{position:absolute;bottom:0;left:0;right:0;padding:16px;background:linear-gradient(transparent,rgba(0,0,0,0.7));color:#fff}
.zbq3o h4{font-size:0.95rem;font-weight:600}
.zbq3o p{font-size:0.8rem;opacity:0.8}

@media(max-width:768px){
  .69w5ql2{grid-template-columns:repeat(2,1fr)}
  .community-grid{grid-template-columns:1fr}
  .5v08d{gap:24px}
  .jujzr{font-size:1.6rem}
}

/* ========== Expert Avatar Text ========== */
.18hjh7x{width:120px;height:120px;border-radius:50%;flex-shrink:0;border:3px solid var(--c-primary);background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:2rem;font-weight:700}

/* ========== Section Image Center ========== */
.mwxjct{text-align:center;margin-top:32px}
.mwxjct img{border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:100%}

/* ========== Contact QR Wrap ========== */
.z3z6lj6{display:flex;gap:16px;justify-content:center}
.ovf8qkyd{font-size:0.8rem;text-align:center;margin-top:4px;color:var(--c-gray)}

/* ========== Btn Outline Dark ========== */
.635bh8h{background:transparent;color:var(--c-primary);border:2px solid var(--c-primary)}
.635bh8h:hover{background:var(--c-primary);color:var(--c-white)}

/* ========== Expert Grid 3-col for 6 experts ========== */
@media(min-width:1025px){
  .expert-grid{grid-template-columns:repeat(2,1fr)}
}

/* ========== About Page ========== */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:48px}
.about-intro img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%}
.about-text h3{font-size:1.4rem;font-weight:700;margin-bottom:16px;color:var(--c-secondary)}
.about-text p{font-size:0.95rem;color:var(--c-gray);line-height:1.8;margin-bottom:12px}
.timeline{max-width:700px;margin:0 auto;position:relative;padding-left:40px}
.timeline::before{content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--gradient)}
.timeline-item{position:relative;margin-bottom:32px}
.timeline-item::before{content:'';position:absolute;left:-33px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--gradient);border:3px solid var(--c-bg)}
.timeline-item h4{font-size:1.05rem;font-weight:600;color:var(--c-primary);margin-bottom:4px}
.timeline-item p{font-size:0.9rem;color:var(--c-gray);line-height:1.6}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cert-card{background:var(--c-white);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.cert-card h4{font-size:1rem;font-weight:600;margin-bottom:8px;color:var(--c-secondary)}
.cert-card p{font-size:0.88rem;color:var(--c-gray)}
@media(max-width:768px){
  .about-intro{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
}