/* ============================================================
   91系列 娱乐法务与影视版权维权平台
   视觉主题：高端律所风 + 铂金黑
   主色 #1A1A1A 法袍黑 / 辅 #C5A880 天平铂金 / 背景 #FDFDFD 卷宗白
   ============================================================ */
:root{
  --robe-black:#1A1A1A;
  --platinum:#C5A880;
  --platinum-dark:#a98c66;
  --paper:#FDFDFD;
  --card:#FFFFFF;
  --ink:#333333;
  --ink-soft:#5a5a5a;
  --line:#e6e2da;
  --shadow:0 6px 28px rgba(26,26,26,.08);
  --shadow-lg:0 16px 48px rgba(26,26,26,.14);
  --serif:"Noto Serif SC",Georgia,"Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.85;font-size:16px;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}
a:hover{color:var(--platinum)}
h1,h2,h3,h4{font-family:var(--serif);color:var(--robe-black);line-height:1.4;font-weight:700}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.fade-in.visible{opacity:1;transform:none}

/* ---------- 顶部公告 ---------- */
.topbar{background:var(--robe-black);color:#cfcabf;font-size:13px;letter-spacing:.04em}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px;flex-wrap:wrap}
.topbar a{color:var(--platinum)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(253,253,253,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-weight:700;font-size:20px;color:var(--robe-black)}
.brand img{width:42px;height:42px}
.brand .sub{display:block;font-size:11px;letter-spacing:.32em;color:var(--platinum-dark);font-family:var(--sans);font-weight:400}
.menu{display:flex;align-items:center;gap:30px;list-style:none}
.menu a{font-size:15px;font-weight:500;color:var(--robe-black);position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--platinum);transition:width .3s}
.menu a:hover::after,.menu a.active::after{width:100%}
.nav-cta{background:var(--robe-black);color:#fff;padding:10px 22px;border-radius:2px;font-size:14px;font-weight:500;letter-spacing:.04em}
.nav-cta:hover{background:var(--platinum);color:var(--robe-black)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--robe-black);transition:.3s}

/* ---------- 英雄区 ---------- */
.hero{position:relative;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.42) saturate(.9)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(26,26,26,.92) 0%,rgba(26,26,26,.55) 60%,rgba(26,26,26,.3) 100%)}
.hero-inner{position:relative;z-index:1;padding:120px 0 110px}
.hero .eyebrow{color:var(--platinum);letter-spacing:.3em;font-size:13px;margin-bottom:22px;text-transform:uppercase}
.hero h1{color:#fff;font-size:46px;line-height:1.3;margin-bottom:24px;max-width:760px}
.hero h1 .gold{color:var(--platinum)}
.hero p{font-size:18px;color:#ddd8cf;max-width:640px;margin-bottom:38px}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 34px;border-radius:2px;font-weight:600;font-size:15px;letter-spacing:.04em;cursor:pointer;border:1px solid transparent;transition:.3s}
.btn-gold{background:var(--platinum);color:var(--robe-black)}
.btn-gold:hover{background:#d8bd97;color:var(--robe-black)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--robe-black);border-color:#fff}
.btn-dark{background:var(--robe-black);color:#fff}
.btn-dark:hover{background:var(--platinum);color:var(--robe-black)}

/* ---------- 数据条 ---------- */
.stats{background:var(--robe-black);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 24px}
.stat{text-align:center}
.stat .num{font-family:var(--serif);font-size:40px;color:var(--platinum);font-weight:700}
.stat .lbl{font-size:14px;color:#bbb6ab;margin-top:6px}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section.alt{background:#f5f2ec}
.sec-head{text-align:center;max-width:720px;margin:0 auto 54px}
.sec-head .eyebrow{color:var(--platinum-dark);letter-spacing:.28em;font-size:13px;text-transform:uppercase;display:block;margin-bottom:14px}
.sec-head h2{font-size:34px;margin-bottom:16px}
.sec-head p{color:var(--ink-soft);font-size:16px}
.divider-gold{width:64px;height:3px;background:var(--platinum);margin:0 auto 26px;border-radius:2px}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:4px;overflow:hidden;box-shadow:var(--shadow);transition:transform .35s,box-shadow .35s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card .thumb{aspect-ratio:16/10;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:24px;flex:1;display:flex;flex-direction:column}
.card .tag{display:inline-block;font-size:12px;color:var(--platinum-dark);letter-spacing:.12em;margin-bottom:10px;font-weight:600}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--ink-soft);font-size:14.5px;margin-bottom:18px;flex:1}
.card .more{font-weight:600;color:var(--robe-black);font-size:14px}
.card .more::after{content:" →";color:var(--platinum)}

/* 律师卡 */
.lawyer-card .thumb{aspect-ratio:3/4}
.lawyer-card .body{text-align:center}
.lawyer-card .role{color:var(--platinum-dark);font-size:13px;margin-bottom:8px}

/* ---------- 两栏图文 ---------- */
.media{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.media.rev .media-text{order:2}
.media-img img{border-radius:4px;box-shadow:var(--shadow-lg)}
.media-text h2{font-size:30px;margin-bottom:20px}
.media-text p{color:var(--ink-soft);margin-bottom:16px}
.check-list{list-style:none;margin:20px 0}
.check-list li{padding-left:30px;position:relative;margin-bottom:12px;color:var(--ink)}
.check-list li::before{content:"⚖";position:absolute;left:0;color:var(--platinum);font-size:16px}

/* ---------- 自测评估器 / 组件 ---------- */
.tool-box{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--platinum);border-radius:4px;padding:36px;box-shadow:var(--shadow)}
.tool-box h3{font-size:22px;margin-bottom:8px}
.tool-box .quiz-q{margin:22px 0 14px;font-weight:600}
.opts{display:flex;flex-direction:column;gap:10px}
.opts label{display:flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid var(--line);border-radius:3px;cursor:pointer;transition:.25s}
.opts label:hover{border-color:var(--platinum);background:#faf7f1}
.opts input{accent-color:var(--platinum)}
.quiz-result{margin-top:20px;padding:18px;background:#faf7f1;border-left:3px solid var(--platinum);display:none;border-radius:3px}
.quiz-result.show{display:block}
.progress{height:8px;background:#eee;border-radius:6px;overflow:hidden;margin:10px 0}
.progress span{display:block;height:100%;background:var(--platinum);width:0;transition:width .6s}

/* 上传固证组件 */
.upload-zone{border:2px dashed var(--platinum);border-radius:6px;padding:40px;text-align:center;background:#faf7f1;cursor:pointer;transition:.25s}
.upload-zone:hover{background:#f3ecdf}
.upload-zone .ic{font-size:40px;color:var(--platinum)}
.hash-out{margin-top:16px;font-family:monospace;font-size:13px;color:var(--ink-soft);word-break:break-all;display:none}
.hash-out.show{display:block}

/* 预约时间表 */
.schedule{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.slot{padding:12px;text-align:center;border:1px solid var(--line);border-radius:3px;cursor:pointer;font-size:14px;transition:.2s}
.slot:hover{border-color:var(--platinum)}
.slot.taken{background:#f0ede7;color:#aaa;cursor:not-allowed;text-decoration:line-through}
.slot.sel{background:var(--robe-black);color:#fff;border-color:var(--robe-black)}

/* 卷宗翻页阅读器 */
.dossier{background:var(--card);border:1px solid var(--line);border-radius:4px;box-shadow:var(--shadow);overflow:hidden}
.dossier-page{display:none;padding:34px}
.dossier-page.active{display:block;animation:fade .5s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.dossier-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 34px;border-top:1px solid var(--line);background:#faf7f1}
.dossier-nav button{background:var(--robe-black);color:#fff;border:0;padding:9px 20px;border-radius:2px;cursor:pointer}
.dossier-nav button:disabled{opacity:.4;cursor:not-allowed}

/* ---------- 折叠FAQ ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 0;font-size:17px;font-weight:600;color:var(--robe-black);cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:var(--serif)}
.faq-q .pm{color:var(--platinum);font-size:22px;transition:transform .3s}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;color:var(--ink-soft)}
.faq-a p{padding-bottom:20px}
.faq-item.open .faq-a{max-height:400px}
.faq-item.open .pm{transform:rotate(45deg)}

/* ---------- 内容文章 ---------- */
.article{max-width:860px;margin:0 auto}
.article h2{font-size:28px;margin:38px 0 16px;padding-left:16px;border-left:4px solid var(--platinum)}
.article h3{font-size:21px;margin:28px 0 12px}
.article p{margin-bottom:16px;color:#444}
.article ul,.article ol{margin:0 0 18px 22px;color:#444}
.article li{margin-bottom:8px}
.article blockquote{background:#faf7f1;border-left:4px solid var(--platinum);padding:18px 24px;margin:22px 0;color:var(--ink-soft);font-style:italic}
.article figure{margin:24px 0}
.article figure img{border-radius:4px;box-shadow:var(--shadow)}
.article figcaption{text-align:center;font-size:13px;color:#999;margin-top:8px}
.lead{font-size:18px;color:var(--ink);background:#f5f2ec;padding:22px 26px;border-radius:4px;margin-bottom:30px}

/* 面包屑 */
.crumbs{font-size:13px;color:#999;padding:18px 0}
.crumbs a:hover{color:var(--platinum)}

/* 页面头 */
.page-hero{background:var(--robe-black);color:#fff;padding:70px 0 60px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border:1px solid rgba(197,168,128,.25);border-radius:50%}
.page-hero h1{color:#fff;font-size:38px;margin-bottom:14px}
.page-hero p{color:#cfcabf;max-width:680px}
.page-hero .eyebrow{color:var(--platinum);letter-spacing:.28em;font-size:13px;text-transform:uppercase;margin-bottom:14px;display:block}

/* 信息盒 */
.note{padding:18px 22px;border-radius:4px;margin:22px 0;font-size:14.5px}
.note-warn{background:#fbf3ee;border-left:4px solid #c98b5e;color:#7a4a28}
.note-info{background:#f1f4f7;border-left:4px solid #5e7fa6;color:#33485f}

/* 相关链接 */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}
.related a{display:block;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:4px;font-weight:600;color:var(--robe-black);transition:.25s}
.related a:hover{border-color:var(--platinum);color:var(--platinum-dark);transform:translateY(-3px)}
.related a span{display:block;font-size:12px;color:#aaa;font-weight:400;margin-top:6px}

/* CTA条 */
.cta-band{background:linear-gradient(120deg,#1A1A1A,#2a2622);color:#fff;text-align:center;padding:70px 24px}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{color:#cfcabf;max-width:560px;margin:0 auto 28px}

/* 搜索 */
.search-box{display:flex;gap:0;max-width:640px;margin:0 auto 40px;box-shadow:var(--shadow)}
.search-box input{flex:1;padding:16px 20px;border:1px solid var(--line);border-right:0;font-size:16px;outline:none;border-radius:3px 0 0 3px}
.search-box button{background:var(--robe-black);color:#fff;border:0;padding:0 30px;cursor:pointer;border-radius:0 3px 3px 0}
.search-box button:hover{background:var(--platinum);color:var(--robe-black)}
.result-item{padding:22px 0;border-bottom:1px solid var(--line)}
.result-item a{font-size:19px;font-weight:600;font-family:var(--serif)}
.result-item .url{color:var(--platinum-dark);font-size:13px;margin:4px 0}
.result-item p{color:var(--ink-soft);font-size:14.5px}

/* 404 */
.err-wrap{text-align:center;padding:90px 24px}
.err-wrap .code{font-family:var(--serif);font-size:120px;color:var(--platinum);line-height:1}
.err-wrap h1{font-size:30px;margin:10px 0 16px}
.err-wrap img{max-width:280px;margin:30px auto}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--robe-black);color:#bbb6ab;padding:64px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:10px}
.footer-grid a:hover{color:var(--platinum)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;color:#fff;font-family:var(--serif);font-size:20px;font-weight:700}
.footer-brand img{width:40px;height:40px}
.footer-bottom{border-top:1px solid #333;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#857f74;font-size:13px}
.footer-bottom a{color:#857f74}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .media{grid-template-columns:1fr;gap:30px}
  .media.rev .media-text{order:0}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:36px}
}
@media(max-width:680px){
  .menu{position:fixed;inset:74px 0 auto 0;background:var(--paper);flex-direction:column;gap:0;padding:10px 0;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .35s;box-shadow:var(--shadow)}
  .menu.open{transform:none}
  .menu li{width:100%;text-align:center;border-bottom:1px solid var(--line)}
  .menu a{display:block;padding:14px}
  .burger{display:flex}
  .nav-cta{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .related{grid-template-columns:1fr}
  .hero h1{font-size:29px}
  .hero p{font-size:16px}
  .section{padding:56px 0}
  .sec-head h2{font-size:26px}
  .stats .container{grid-template-columns:1fr 1fr;gap:30px 12px}
  .err-wrap .code{font-size:80px}
}