/* 51影视传媒 - 原创设计系统 "暮光樱园" */
:root{
  --midnight:#1a1a2e;
  --cherry:#e94560;
  --cherry-dark:#c23152;
  --indigo:#0f3460;
  --cloud:#fafbfd;
  --ink:#2d2d3a;
  --ink-soft:#5a5a6e;
  --gold:#f5a623;
  --teal:#16c79a;
  --glass:rgba(255,255,255,.82);
  --shadow-sm:0 2px 8px rgba(26,26,46,.06);
  --shadow-md:0 8px 32px rgba(26,26,46,.1);
  --shadow-lg:0 20px 60px rgba(26,26,46,.14);
  --radius:12px;
  --radius-lg:20px;
  --font-display:"Noto Serif SC","STSong","Songti SC",Georgia,serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"JetBrains Mono","SF Mono",Consolas,monospace;
  --ease:cubic-bezier(.25,.8,.25,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--ink);background:var(--cloud);line-height:1.7;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:transparent}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);line-height:1.2;color:var(--midnight)}
.container{width:min(1200px,calc(100% - 2rem));margin-inline:auto}

/* 公告栏 */
.gfx070{background:var(--midnight);color:rgba(255,255,255,.85);font-size:.78rem;text-align:center;padding:.5rem 1rem;letter-spacing:.03em}
.gfx070 strong{color:var(--cherry)}

/* 导航 */
.site-nav{position:sticky;top:0;z-index:1000;background:var(--glass);backdrop-filter:blur(16px);border-bottom:1px solid rgba(26,26,46,.06);transition:box-shadow .3s var(--ease)}
.site-nav.scrolled{box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem}
.nav-brand{display:flex;align-items:center;gap:.6rem}
.nav-brand img{width:44px;height:44px;border-radius:50%;object-fit:cover}
.nav-brand span{font-family:var(--font-display);font-size:1.4rem;font-weight:900;color:var(--midnight)}
.nav-links{display:flex;gap:clamp(.6rem,2vw,1.8rem);align-items:center}
.nav-links a{font-size:.9rem;font-weight:600;padding:.4rem 0;position:relative;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--cherry);transition:width .25s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:8px}
.nav-toggle span{display:block;height:2px;background:var(--midnight);border-radius:2px;transition:.3s var(--ease)}

/* 搜索栏 */
.search-bar{background:#fff;border-bottom:1px solid rgba(26,26,46,.05);padding:.6rem 0}
.search-wrap{display:flex;align-items:center;gap:.8rem;max-width:560px;margin:0 auto;background:var(--cloud);border:1px solid rgba(26,26,46,.1);border-radius:999px;padding:.45rem .8rem .45rem 1.2rem;transition:border-color .2s,box-shadow .2s}
.search-wrap:focus-within{border-color:var(--cherry);box-shadow:0 0 0 3px rgba(233,69,96,.1)}
.search-wrap input{flex:1;border:0;background:transparent;outline:0;font-size:.88rem;color:var(--ink)}
.search-wrap button{width:34px;height:34px;border-radius:50%;background:var(--cherry);color:#fff;display:grid;place-items:center;flex-shrink:0}
.search-wrap button svg{width:16px;height:16px}

/* Hero */
.hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--midnight)}
.5ww9o{position:absolute;inset:0}
.5ww9o img{width:100%;height:100%;object-fit:cover;opacity:.55}
.nbr4g{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,26,46,.7) 0%,rgba(15,52,96,.5) 100%)}
.j722pu{position:relative;z-index:2;color:#fff;max-width:640px;padding:4rem 0}
.xlczqxx{display:inline-flex;align-items:center;gap:.4rem;background:rgba(233,69,96,.2);border:1px solid rgba(233,69,96,.4);border-radius:999px;padding:.3rem .9rem;font-size:.75rem;font-weight:600;color:var(--cherry);margin-bottom:1.2rem;backdrop-filter:blur(4px)}
.hero h1{font-size:clamp(2.4rem,6vw,3.6rem);font-weight:900;line-height:1.15;margin-bottom:1rem}
.hero h1 em{font-style:normal;color:var(--cherry)}
.hero p{font-size:1.05rem;color:rgba(255,255,255,.8);max-width:480px;margin-bottom:2rem}
.8s5ny8{display:flex;gap:.8rem;flex-wrap:wrap}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1.4rem;border-radius:var(--radius);font-weight:700;font-size:.9rem;transition:all .25s var(--ease)}
.btn-primary{background:var(--cherry);color:#fff;box-shadow:0 4px 16px rgba(233,69,96,.3)}
.btn-primary:hover{background:var(--cherry-dark);transform:translateY(-2px);box-shadow:0 6px 24px rgba(233,69,96,.4)}
.btn-outline{border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-dark{background:var(--midnight);color:#fff}
.btn-dark:hover{background:var(--indigo)}

/* 区块通用 */
.section{padding:clamp(3rem,8vw,5.5rem) 0}
.1uhpmsk{text-align:center;max-width:680px;margin:0 auto 3rem}
.1uhpmsk h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:.8rem}
.1uhpmsk p{color:var(--ink-soft);font-size:1rem}
.pd2s2u{display:inline-block;background:linear-gradient(135deg,var(--cherry),#ff6b6b);color:#fff;font-size:.7rem;font-weight:700;padding:.25rem .7rem;border-radius:999px;margin-bottom:.8rem;letter-spacing:.05em}

/* 视频卡片 */
.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.2rem}
.video-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:#000;aspect-ratio:16/9;cursor:pointer;box-shadow:var(--shadow-md)}
.video-card img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .3s}
.video-card:hover img{transform:scale(1.05);filter:brightness(.7)}
.video-card .play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);width:60px;height:60px;background:rgba(233,69,96,.9);border-radius:50%;display:grid;place-items:center;opacity:0;transition:all .3s var(--ease)}
.video-card:hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(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 .i44hh{position:absolute;bottom:0;left:0;right:0;padding:1rem 1.2rem;background:linear-gradient(transparent,rgba(0,0,0,.85));color:#fff}
.video-card .i44hh h3{font-size:.95rem;font-weight:700;margin-bottom:.3rem}
.video-card .ku0189{display:flex;gap:1rem;font-size:.75rem;color:rgba(255,255,255,.7)}

/* 特色模块 */
.ke3y20{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.8lmc0ht{background:#fff;border-radius:var(--radius-lg);padding:2rem 1.5rem;border:1px solid rgba(26,26,46,.06);transition:all .3s var(--ease);position:relative;overflow:hidden}
.8lmc0ht::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--cherry),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.8lmc0ht:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.8lmc0ht:hover::before{transform:scaleX(1)}
.jzpp7pof{width:52px;height:52px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(233,69,96,.1),rgba(245,166,35,.1));display:grid;place-items:center;margin-bottom:1.2rem;font-size:1.5rem}
.8lmc0ht h3{font-size:1.1rem;margin-bottom:.6rem}
.8lmc0ht p{color:var(--ink-soft);font-size:.88rem}

/* 专家团队 */
.c4mrkz93{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.5rem}
.8vgvpgvy{background:#fff;border-radius:var(--radius-lg);padding:1.8rem;text-align:center;border:1px solid rgba(26,26,46,.06);transition:all .3s var(--ease)}
.8vgvpgvy:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.jytit{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--cherry),var(--indigo));margin:0 auto 1rem;display:grid;place-items:center;color:#fff;font-size:1.5rem;font-weight:900}
.8vgvpgvy h3{font-size:1rem;margin-bottom:.3rem}
.8vgvpgvy .role{color:var(--cherry);font-size:.8rem;font-weight:600;margin-bottom:.8rem}
.8vgvpgvy p{color:var(--ink-soft);font-size:.82rem;margin-bottom:1rem}
.3eu5l{display:flex;gap:.5rem;justify-content:center}
.3eu5l .btn{padding:.4rem .8rem;font-size:.78rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(26,26,46,.08);padding:1.2rem 0}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:pointer;font-weight:700;font-size:1rem}
.faq-q::after{content:"+";font-size:1.4rem;color:var(--cherry);transition:transform .3s var(--ease)}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease),padding .3s;color:var(--ink-soft);font-size:.9rem}
.faq-item.open .faq-a{max-height:300px;padding-top:.8rem}

/* 评价 */
.bffuub{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem}
.7f8y0ru{background:#fff;border-radius:var(--radius-lg);padding:1.5rem;border:1px solid rgba(26,26,46,.06)}
.cjhky{color:var(--gold);font-size:.9rem;margin-bottom:.6rem}
.7f8y0ru blockquote{font-size:.9rem;color:var(--ink-soft);margin-bottom:1rem;font-style:italic}
.ce37t2{display:flex;align-items:center;gap:.6rem}
.ce37t2 .avatar{width:36px;height:36px;border-radius:50%;background:var(--indigo);color:#fff;display:grid;place-items:center;font-size:.8rem;font-weight:700}
.ce37t2 .name{font-weight:600;font-size:.85rem}
.ce37t2 .date{font-size:.75rem;color:var(--ink-soft)}

/* 联系我们 */
.vtqll7t{display:grid;grid-template-columns:1.2fr .8fr;gap:2rem;align-items:start}
.luwzzl dl{display:grid;gap:1rem}
.luwzzl dt{font-weight:700;font-size:.85rem;color:var(--cherry)}
.luwzzl dd{font-size:.9rem;color:var(--ink-soft)}
.baqilar3{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.ftyxjptv{text-align:center;background:#fff;border-radius:var(--radius);padding:1rem;border:1px solid rgba(26,26,46,.06)}
.ftyxjptv img{width:100%;max-width:160px;margin:0 auto .6rem;border-radius:8px}
.ftyxjptv span{font-size:.78rem;color:var(--ink-soft)}

/* 页脚 */
.site-footer{background:var(--midnight);color:rgba(255,255,255,.7);padding:3rem 0 1.5rem}
.aszerzow{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.ie2brns7 img{width:44px;height:44px;border-radius:50%;margin-bottom:.8rem}
.ie2brns7 p{font-size:.85rem;max-width:260px}
.zeeklq5v h4{color:#fff;font-size:.9rem;margin-bottom:1rem}
.zeeklq5v a{display:block;font-size:.82rem;padding:.3rem 0;transition:color .2s}
.zeeklq5v a:hover{color:var(--cherry)}
.xu9pk{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.78rem}
.xu9pk .ikk0e69{background:rgba(233,69,96,.15);border:1px solid rgba(233,69,96,.3);border-radius:var(--radius);padding:.4rem .8rem;font-family:var(--font-mono);font-size:.72rem;color:var(--cherry)}

/* 分享栏 */
.0cgo4{background:linear-gradient(135deg,var(--midnight),var(--indigo));padding:2rem 0;text-align:center;color:#fff}
.0cgo4 h3{margin-bottom:1rem;font-size:1.2rem}
.r00zl2d{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap}
.r00zl2d button{padding:.5rem 1rem;border-radius:var(--radius);background:rgba(255,255,255,.1);color:#fff;font-size:.82rem;font-weight:600;border:1px solid rgba(255,255,255,.2);transition:all .2s}
.r00zl2d button:hover{background:var(--cherry);border-color:var(--cherry)}

/* 合作墙 */
.02uqztn{display:flex;flex-wrap:wrap;gap:1.5rem;justify-content:center;align-items:center;padding:2rem 0}
.02uqztn .15qo2{width:120px;height:60px;background:#fff;border-radius:var(--radius);display:grid;place-items:center;border:1px solid rgba(26,26,46,.06);font-weight:700;color:var(--ink-soft);font-size:.8rem}

/* 面包屑 */
.breadcrumb{padding:.8rem 0;font-size:.82rem;border-bottom:1px solid rgba(26,26,46,.05)}
.breadcrumb a{color:var(--cherry)}
.breadcrumb span{color:var(--ink-soft)}

/* 社区功能 */
.n2l3tq{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.7bde7a{background:linear-gradient(135deg,#fff,rgba(233,69,96,.02));border-radius:var(--radius-lg);padding:1.5rem;border:1px solid rgba(26,26,46,.06);text-align:center;transition:all .3s var(--ease)}
.7bde7a:hover{border-color:var(--cherry);box-shadow:0 4px 20px rgba(233,69,96,.1)}
.7bde7a .icon{font-size:2rem;margin-bottom:.8rem}
.7bde7a h4{font-size:.95rem;margin-bottom:.4rem}
.7bde7a p{font-size:.8rem;color:var(--ink-soft)}

/* 响应式 */
@media(max-width:1024px){
  .aszerzow{grid-template-columns:1fr 1fr}
  .vtqll7t{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{position:fixed;top:68px;left:0;right:0;background:var(--glass);backdrop-filter:blur(16px);flex-direction:column;padding:1.5rem;gap:.8rem;transform:translateY(-120%);opacity:0;transition:all .3s var(--ease);border-bottom:1px solid rgba(26,26,46,.1)}
  .nav-links.open{transform:translateY(0);opacity:1}
  .nav-toggle{display:flex}
  .hero{min-height:420px}
  .hero h1{font-size:2rem}
  .video-grid{grid-template-columns:1fr}
  .ke3y20{grid-template-columns:1fr}
  .c4mrkz93{grid-template-columns:1fr}
  .bffuub{grid-template-columns:1fr}
  .aszerzow{grid-template-columns:1fr}
  .baqilar3{grid-template-columns:1fr}
  .0cgo4 h3{font-size:1rem}
}
@media(max-width:480px){
  .container{width:calc(100% - 1.5rem)}
  .j722pu{padding:2.5rem 0}
  .section{padding:2.5rem 0}
}