/* roulang page: index */
:root{
      --paper:#f2f0e8;
      --paper-deep:#e9e7dd;
      --ink:#121511;
      --muted:#666b63;
      --moss:#66765a;
      --moss-dark:#4e5d45;
      --amber:#c99a45;
      --line:#cdd1c7;
      --white:#fbfaf5;
      --dark:#171b17;
      --dark-soft:#222921;
      --shadow:0 16px 42px rgba(18,21,17,.08);
      --shadow-hover:0 22px 48px rgba(18,21,17,.14);
      --radius-s:10px;
      --radius-m:16px;
      --radius-l:24px;
      --max:1280px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 64px));margin:0 auto}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      color:var(--moss-dark);font-size:12px;font-weight:700;
      letter-spacing:.12em;
    }
    .eyebrow::before{content:"";width:26px;height:1px;background:var(--amber)}
    .section-head{max-width:700px;margin-bottom:38px}
    .section-head h2{margin:12px 0 14px;font-size:clamp(30px,4vw,46px);line-height:1.15;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--muted);max-width:650px}
    .topbar{
      position:sticky;top:0;z-index:20;
      background:rgba(242,240,232,.9);
      border-bottom:1px solid transparent;
      backdrop-filter:blur(12px);
      transition:.25s ease;
    }
    .topbar.scrolled{border-color:var(--line);box-shadow:0 5px 22px rgba(18,21,17,.06)}
    .nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;min-width:250px}
    .brand-mark{
      width:36px;height:36px;position:relative;border:1px solid var(--moss);
      border-radius:50%;background:radial-gradient(circle at center,var(--amber) 0 3px,transparent 4px);
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;inset:7px;border:1px dashed var(--moss);border-radius:50%;
    }
    .brand-mark::after{inset:15px;border-style:solid}
    .brand-text{font-size:15px;font-weight:800;line-height:1.18;letter-spacing:-.04em}
    .brand-text span{display:block}
    .desktop-nav{display:flex;align-items:center;gap:28px}
    .desktop-nav a{position:relative;color:var(--muted);font-size:14px;padding:28px 0}
    .desktop-nav a:hover,.desktop-nav a.active{color:var(--ink)}
    .desktop-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:19px;height:2px;background:var(--moss)}
    .nav-actions{display:flex;align-items:center;gap:14px}
    .age-badge,.status-badge{
      display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);
      border-radius:999px;padding:7px 11px;color:var(--muted);font-size:12px;white-space:nowrap
    }
    .age-badge::before{content:"18+";font-size:10px;font-weight:800;color:var(--amber)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:12px;
      min-height:46px;padding:0 20px;border:1px solid var(--ink);border-radius:var(--radius-s);
      font-size:14px;font-weight:700;transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
    }
    .btn:hover{transform:translateY(-3px)}
    .btn-primary{background:var(--ink);color:var(--white)}
    .btn-primary:hover{background:var(--moss);border-color:var(--moss)}
    .btn-secondary{background:transparent;color:var(--ink)}
    .btn-secondary:hover{border-color:var(--moss);color:var(--moss-dark)}
    .btn-arrow{font-size:18px;transition:transform .2s ease}
    .btn:hover .btn-arrow{transform:translateX(3px)}
    .menu-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);background:transparent;border-radius:var(--radius-s)}
    .menu-toggle i,.menu-toggle i::before,.menu-toggle i::after{display:block;width:19px;height:2px;background:var(--ink);margin:auto;content:"";transition:.2s}
    .menu-toggle i::before{transform:translateY(-6px)}
    .menu-toggle i::after{transform:translateY(4px)}
    .mobile-drawer{display:none}
    .hero{
      position:relative;overflow:hidden;padding:84px 0 76px;
      background:var(--dark);color:var(--white);
    }
    .hero::before{
      content:"";position:absolute;inset:0;opacity:.08;
      background-image:linear-gradient(90deg,transparent 49%,#d7dfd0 50%,transparent 51%),linear-gradient(#d7dfd0 1px,transparent 1px);
      background-size:110px 110px,110px 110px;
    }
    .hero::after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(201,154,69,.25);border-radius:50%;right:7%;top:-190px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:70px;align-items:center}
    .hero .eyebrow{color:#c9d2c0}
    .hero h1{max-width:700px;margin:20px 0;font-size:clamp(42px,6vw,68px);line-height:1.1;letter-spacing:-.07em}
    .hero-copy{max-width:650px;color:#c5cbc1;font-size:18px;line-height:1.85}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .hero .btn-primary{background:var(--amber);border-color:var(--amber);color:var(--ink)}
    .hero .btn-primary:hover{background:#e0b35c;border-color:#e0b35c}
    .hero .btn-secondary{border-color:#697368;color:var(--white)}
    .hero .btn-secondary:hover{border-color:var(--amber);color:var(--amber)}
    .dashboard{position:relative;padding:24px;border:1px solid #4a564b;border-radius:var(--radius-l);background:#202720;box-shadow:0 20px 60px rgba(0,0,0,.2)}
    .dash-top{display:flex;justify-content:space-between;align-items:center;color:#b8c2b5;font-size:12px;padding-bottom:19px;border-bottom:1px solid #3b473d}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:#cbd8bd}
    .live-dot::before{content:"";width:7px;height:7px;background:var(--amber);border-radius:50%;box-shadow:0 0 0 4px rgba(201,154,69,.12)}
    .main-stat{padding:26px 0 22px}
    .main-stat small{color:#9da89b;font-size:13px}
    .main-stat strong{display:block;margin:3px 0;font-size:56px;line-height:1;font-variant-numeric:tabular-nums;color:#f8f5e9}
    .main-stat span{color:#c3cfb7;font-size:13px}
    .mini-bars{display:grid;gap:12px}
    .bar-row{display:grid;grid-template-columns:88px 1fr 45px;align-items:center;gap:10px;color:#aab4a9;font-size:12px}
    .bar{height:5px;background:#3a463d;border-radius:99px;overflow:hidden}
    .bar em{display:block;height:100%;background:var(--moss);border-radius:99px}
    .bar-row b{font-weight:500;text-align:right;color:#d6ddcf}
    .dashboard-foot{display:flex;justify-content:space-between;margin-top:25px;padding-top:17px;border-top:1px solid #3b473d;color:#929e92;font-size:12px}
    .section{padding:104px 0}
    .metrics{padding:42px 0 96px}
    .metric-strip{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:16px}
    .metric{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m)}
    .metric:first-child{background:var(--moss);color:var(--white);border-color:var(--moss)}
    .metric strong{display:block;font-size:38px;line-height:1.1;font-variant-numeric:tabular-nums}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .metric:first-child span{color:#dbe3d5}
    .matrix{background:var(--paper-deep)}
    .bento{display:grid;grid-template-columns:1.5fr 1fr 1fr;grid-template-rows:auto auto;gap:18px}
    .bento-card{position:relative;overflow:hidden;padding:28px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-m);transition:.24s ease}
    .bento-card:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow-hover)}
    .bento-main{grid-row:span 2;min-height:365px;background:var(--dark);color:var(--white)}
    .bento-main::after{content:"";position:absolute;width:220px;height:220px;right:-45px;bottom:-70px;border:1px solid rgba(201,154,69,.35);border-radius:50%;box-shadow:0 0 0 28px rgba(201,154,69,.06),0 0 0 57px rgba(201,154,69,.04)}
    .card-number{font-size:12px;color:var(--amber);font-weight:800;letter-spacing:.12em}
    .bento-card h3{margin:31px 0 12px;font-size:23px;line-height:1.25}
    .bento-card p{margin:0;color:var(--muted);font-size:15px}
    .bento-main p{max-width:330px;color:#c7cec3}
    .card-tag{display:inline-block;margin-top:25px;padding:5px 9px;border-radius:5px;background:#e5e8df;color:var(--moss-dark);font-size:12px}
    .bento-main .card-tag{background:#354238;color:#d2dfc9}
    .index-list{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:7px}
    .index-item{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line);font-size:14px}
    .index-item b{font-size:12px;color:var(--amber)}
    .compare{background:var(--paper)}
    .compare-grid{display:grid;grid-template-columns:1fr 38px 1fr;gap:20px;align-items:stretch}
    .compare-panel{padding:32px;border:1px solid var(--line);border-radius:var(--radius-m);background:#e9e7de}
    .compare-panel.featured{background:#e1e8da;border-color:#a9b7a0}
    .compare-panel h3{margin:0 0 22px;font-size:22px}
    .compare-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:15px}
    .compare-panel li{display:flex;gap:11px;font-size:15px;color:var(--muted)}
    .compare-panel li::before{content:"—";color:var(--amber);font-weight:800}
    .compare-panel.featured li::before{content:"✓";color:var(--moss-dark)}
    .compare-rail{display:flex;align-items:center;justify-content:center;color:var(--amber);font-size:20px}
    .compare-cta{text-align:center;margin-top:30px}
    .faq-section{background:var(--paper-deep)}
    .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:85px}
    .path-art{position:relative;height:180px;margin-top:45px;border-top:1px dashed #aeb6aa;border-right:1px dashed #aeb6aa}
    .path-art::before{content:"";position:absolute;right:25%;top:45%;width:46%;border-top:1px solid var(--moss);transform:rotate(-25deg)}
    .path-art::after{content:"";position:absolute;right:23%;top:38%;width:9px;height:9px;background:var(--amber);border-radius:50%;box-shadow:-90px 54px 0 0 var(--moss)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border:0;background:transparent;text-align:left;color:var(--ink);font-weight:700}
    .faq-question::after{content:"+";font-size:25px;font-weight:300;color:var(--moss);transition:.2s}
    .faq-item.open .faq-question::after{content:"—";color:var(--amber)}
    .faq-answer{display:none;max-width:680px;padding:0 42px 20px 0;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .form-section{padding-top:0}
    .form-shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;padding:54px;border-radius:var(--radius-l);background:var(--dark);color:var(--white)}
    .form-shell h2{margin:14px 0;font-size:clamp(30px,4vw,44px);line-height:1.18;letter-spacing:-.05em}
    .form-shell p{color:#bfc8bc}
    .form-note{font-size:13px;color:#9ea99d!important;margin-top:30px}
    .form-card{padding:28px;background:var(--white);border-radius:var(--radius-m);color:var(--ink)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700}
    label span{color:#a56f1f}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-s);background:#fff;padding:12px 13px;color:var(--ink);transition:.2s}
    textarea{min-height:96px;resize:vertical}
    input:hover,select:hover,textarea:hover{border-color:#aeb8a9}
    input:focus,select:focus,textarea:focus{outline:none;border-color:var(--moss);box-shadow:0 0 0 3px rgba(102,118,90,.14)}
    .check-line{display:flex;align-items:flex-start;gap:10px;margin:18px 0;color:var(--muted);font-size:13px}
    .check-line input{width:18px;height:18px;margin-top:3px;accent-color:var(--moss)}
    .form-status{min-height:24px;margin-top:12px;color:var(--moss-dark);font-size:13px}
    .footer{padding:58px 0 24px;background:var(--dark);color:var(--white);border-top:1px solid #354035}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:45px}
    .footer .brand-text{font-size:17px}
    .footer-description{max-width:330px;margin-top:18px;color:#aeb8aa;font-size:14px}
    .footer h3{margin:0 0 15px;font-size:14px;color:#dfe7da}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#aeb8aa;font-size:14px}
    .footer-links a:hover{color:var(--amber)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;border-top:1px solid #354035;color:#899589;font-size:12px}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
    .reveal.visible{opacity:1;transform:none}
    @media(max-width:992px){
      .container{width:min(var(--max),calc(100% - 44px))}
      .desktop-nav,.nav-actions{display:none}.menu-toggle{display:block}
      .mobile-drawer{position:fixed;display:flex;flex-direction:column;gap:8px;right:0;top:82px;width:min(360px,86vw);height:calc(100vh - 82px);padding:25px;background:var(--white);border-left:1px solid var(--line);box-shadow:-18px 0 40px rgba(18,21,17,.12);transform:translateX(105%);transition:.3s ease}
      .mobile-drawer.open{transform:none}
      .mobile-drawer a{padding:14px 8px;border-bottom:1px solid var(--line);font-weight:700}
      .mobile-drawer .age-badge{margin-top:20px;align-self:flex-start}
      .mobile-drawer .btn{margin-top:10px}
      .hero-grid{grid-template-columns:1fr;gap:42px}.hero{padding:66px 0}
      .bento{grid-template-columns:1fr 1fr}.bento-main{grid-column:span 2;grid-row:auto}
      .index-list{grid-column:span 2}
      .faq-layout{gap:40px}.form-shell{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .section{padding:72px 0}.metrics{padding:32px 0 72px}
      .metric-strip{grid-template-columns:1fr 1fr}.metric:first-child{grid-column:span 2}
      .bento{grid-template-columns:1fr}.bento-main,.index-list{grid-column:auto}
      .index-list{grid-template-columns:1fr}.compare-grid{grid-template-columns:1fr;gap:10px}.compare-rail{height:18px;transform:rotate(90deg)}
      .faq-layout{grid-template-columns:1fr}.path-art{display:none}
      .form-shell{padding:32px 22px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:480px){
      .container{width:calc(100% - 36px)}.nav-wrap{height:72px}.brand{min-width:0}.brand-mark{width:30px;height:30px}.brand-text{font-size:12px}
      .mobile-drawer{top:72px;height:calc(100vh - 72px)}
      .hero{padding:54px 0}.hero h1{font-size:39px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}
      .dashboard{padding:19px}.main-stat strong{font-size:45px}.bar-row{grid-template-columns:72px 1fr 36px}
      .metric-strip{grid-template-columns:1fr}.metric:first-child{grid-column:auto}.metric strong{font-size:32px}
      .section-head{margin-bottom:28px}.bento-card{padding:22px}.bento-main{min-height:300px}
      .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:30px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
      .reveal{opacity:1;transform:none}
    }

/* roulang page: category1 */
:root{
 --paper:#f2f0e8;--paper-deep:#e9e7dd;--ink:#121511;--muted:#666b63;
 --moss:#66765a;--moss-dark:#4e5d45;--amber:#c99a45;--line:#cdd1c7;
 --white:#fbfaf5;--dark:#171b17;--dark-soft:#222921;
 --shadow:0 16px 42px rgba(18,21,17,.08);--shadow-hover:0 22px 48px rgba(18,21,17,.14);
 --radius-s:10px;--radius-m:16px;--radius-l:24px;--max:1280px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
body.menu-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.container{width:min(var(--max),calc(100% - 64px));margin:0 auto}
.topbar{position:sticky;top:0;z-index:20;background:rgba(242,240,232,.92);border-bottom:1px solid transparent;backdrop-filter:blur(12px);transition:.25s ease}
.topbar.scrolled{border-color:var(--line);box-shadow:0 5px 22px rgba(18,21,17,.06)}
.nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:250px}
.brand-mark{width:36px;height:36px;position:relative;border:1px solid var(--moss);border-radius:50%;background:radial-gradient(circle at center,var(--amber) 0 3px,transparent 4px)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;inset:7px;border:1px dashed var(--moss);border-radius:50%}
.brand-mark:after{inset:15px;border-style:solid}
.brand-text{font-size:15px;font-weight:800;line-height:1.18;letter-spacing:-.04em}
.brand-text span{display:block}
.desktop-nav{display:flex;align-items:center;gap:28px}
.desktop-nav a{position:relative;color:var(--muted);font-size:14px;padding:28px 0}
.desktop-nav a:hover,.desktop-nav a.active{color:var(--ink)}
.desktop-nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:19px;height:2px;background:var(--moss)}
.nav-actions{display:flex;align-items:center;gap:14px}
.age-badge,.status-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;padding:7px 11px;color:var(--muted);font-size:12px;white-space:nowrap}
.age-badge:before{content:"18+";font-size:10px;font-weight:800;color:var(--amber)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:46px;padding:0 20px;border:1px solid var(--ink);border-radius:var(--radius-s);font-size:14px;font-weight:700;transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:var(--ink);color:var(--white)}
.btn-primary:hover{background:var(--moss);border-color:var(--moss)}
.btn-secondary{background:transparent;color:var(--ink)}
.btn-secondary:hover{border-color:var(--moss);color:var(--moss-dark)}
.btn-arrow{font-size:18px;transition:transform .2s ease}
.btn:hover .btn-arrow{transform:translateX(3px)}
.menu-toggle{display:none;width:46px;height:46px;border:1px solid var(--line);background:transparent;border-radius:var(--radius-s)}
.menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{display:block;width:19px;height:2px;background:var(--ink);margin:auto;content:"";transition:.2s}
.menu-toggle i:before{transform:translateY(-6px)}.menu-toggle i:after{transform:translateY(4px)}
.mobile-drawer{display:none}
.page-head{position:relative;overflow:hidden;padding:70px 0 66px;border-bottom:1px solid var(--line)}
.page-head:before{content:"";position:absolute;inset:0;opacity:.3;background-image:linear-gradient(90deg,transparent 49%,var(--line) 50%,transparent 51%),linear-gradient(var(--line) 1px,transparent 1px);background-size:110px 110px}
.page-head-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:70px;align-items:end}
.crumbs{display:flex;gap:10px;color:var(--muted);font-size:13px;margin-bottom:20px}
.crumbs a:hover{color:var(--moss-dark)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--moss-dark);font-size:12px;font-weight:700;letter-spacing:.12em}
.eyebrow:before{content:"";width:26px;height:1px;background:var(--amber)}
h1{max-width:760px;margin:14px 0 18px;font-size:clamp(40px,6vw,66px);line-height:1.1;letter-spacing:-.07em}
.page-lead{max-width:720px;margin:0;color:var(--muted);font-size:18px}
.coord-panel{min-height:190px;padding:22px;background:var(--dark);color:var(--white);border-radius:var(--radius-m);position:relative;overflow:hidden}
.coord-panel:after{content:"";position:absolute;width:260px;height:260px;right:-100px;top:-110px;border:1px solid rgba(201,154,69,.5);border-radius:50%;box-shadow:0 0 0 30px rgba(201,154,69,.07),0 0 0 60px rgba(201,154,69,.05)}
.coord-top{display:flex;justify-content:space-between;color:#c5cdbd;font-size:12px}.coord-number{margin:22px 0 0;font-size:52px;line-height:1;color:var(--amber);font-variant-numeric:tabular-nums}.coord-panel small{color:#aab5a6}
.section{padding:86px 0}
.section-head{max-width:700px;margin-bottom:34px}.section-head h2{margin:12px 0 14px;font-size:clamp(30px,4vw,44px);line-height:1.15;letter-spacing:-.05em}.section-head p{margin:0;color:var(--muted);max-width:650px}
.tool-bar{position:sticky;top:82px;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 18px;background:rgba(251,250,245,.94);border:1px solid var(--line);border-radius:var(--radius-m);box-shadow:0 8px 25px rgba(18,21,17,.05);margin-bottom:30px}
.filter-group{display:flex;flex-wrap:wrap;gap:8px}.filter{min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);font-size:13px;transition:.2s}.filter:hover,.filter.active{background:var(--moss);border-color:var(--moss);color:var(--white)}
.sort-label{color:var(--muted);font-size:13px;white-space:nowrap}.sort-label select{margin-left:8px;border:0;background:transparent;color:var(--ink);font-weight:700;outline:0}
.featured{display:grid;grid-template-columns:1.4fr 1fr;min-height:270px;overflow:hidden;background:var(--dark);color:var(--white);border-radius:var(--radius-l);margin-bottom:24px;position:relative}
.featured-copy{padding:34px 38px;position:relative;z-index:1}.feature-number{font-size:58px;line-height:1;color:var(--amber);font-weight:800}.featured h3{font-size:28px;margin:15px 0 8px;letter-spacing:-.04em}.featured p{color:#c2cbbd;max-width:560px;margin:0}.route-meta{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;color:#d7dfd0;font-size:12px}.route-meta span{border-left:1px solid var(--amber);padding-left:9px}.abstract-cover{position:relative;background:linear-gradient(135deg,#303b2e,#202820);overflow:hidden}.abstract-cover:before{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(201,154,69,.45);border-radius:50%;left:12%;top:-35%;box-shadow:0 0 0 35px rgba(201,154,69,.05),0 0 0 70px rgba(201,154,69,.04)}.abstract-cover:after{content:"字幕信息";position:absolute;right:24px;bottom:24px;color:#d9e0d2;border:1px solid #71806a;padding:7px 12px;font-size:12px}
.content-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.index-item{display:grid;grid-template-columns:116px 1fr;gap:18px;padding:17px;border:1px solid var(--line);background:var(--white);border-radius:var(--radius-m);transition:.23s}.index-item:hover{transform:translateY(-4px);border-color:var(--moss);box-shadow:var(--shadow)}
.thumb{min-height:112px;border-radius:var(--radius-s);background:linear-gradient(145deg,#d8ddd1,#aebba5);position:relative;overflow:hidden}.thumb:before{content:"";position:absolute;inset:15px;border:1px dashed rgba(78,93,69,.65);border-radius:50%}.thumb:after{content:"字幕";position:absolute;left:10px;bottom:9px;background:rgba(18,21,17,.78);color:#fff;padding:2px 7px;font-size:11px;border-radius:4px}
.item-top{display:flex;justify-content:space-between;gap:10px}.item-top h3{font-size:19px;line-height:1.35;margin:0}.item-summary{color:var(--muted);font-size:14px;line-height:1.65;margin:8px 0}.item-meta{display:flex;flex-wrap:wrap;gap:8px;color:var(--moss-dark);font-size:12px}.item-meta span{padding:3px 7px;background:var(--paper-deep);border-radius:5px}
.item-link{display:inline-block;margin-top:8px;color:var(--moss-dark);font-weight:700;font-size:13px}.item-link:hover{color:var(--amber)}
.pagination{display:flex;justify-content:center;gap:8px;margin-top:34px}.page-btn{width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:var(--radius-s);color:var(--muted)}.page-btn:hover,.page-btn.current{background:var(--ink);border-color:var(--ink);color:var(--white)}.page-btn.disabled{opacity:.4;cursor:not-allowed}
.info-band{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}.info-card{padding:28px;background:var(--paper-deep);border:1px solid var(--line);border-radius:var(--radius-m)}.info-card.dark{background:var(--dark);color:var(--white);border-color:var(--dark)}.info-card h3{margin:0 0 10px;font-size:22px}.info-card p{margin:0;color:var(--muted)}.info-card.dark p{color:#c5cdbd}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.route-graphic{height:170px;margin-top:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;background-image:linear-gradient(90deg,transparent 49%,rgba(102,118,90,.15) 50%,transparent 51%)}.route-graphic:before{content:"01     02     03";position:absolute;top:68px;left:18%;word-spacing:34px;color:var(--moss);font-size:12px}.route-graphic:after{content:"";position:absolute;left:14%;right:17%;top:83px;border-top:1px dashed var(--amber);transform:rotate(-7deg)}
.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-question{width:100%;min-height:64px;padding:17px 0;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--ink);font-weight:700}.faq-question span:last-child{font-size:24px;color:var(--moss);transition:.2s}.faq-answer{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s ease}.faq-answer p{max-width:680px;margin:0 0 18px}.faq-item.open .faq-answer{max-height:150px}.faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--amber)}
.footer{padding:66px 0 22px;background:var(--dark);color:var(--white);border-top:1px solid rgba(201,154,69,.5)}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr .9fr;gap:70px}.footer .brand{margin-bottom:18px}.footer-description{max-width:390px;color:#aeb8aa;font-size:14px}.footer h3{font-size:14px;margin:4px 0 14px;color:#dbe2d5}.footer-links{display:grid;gap:4px}.footer-links a{min-height:38px;color:#aeb8aa;font-size:14px}.footer-links a:hover{color:var(--amber)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:18px;border-top:1px solid #394239;color:#8e9b8d;font-size:12px}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.reveal{opacity:0;transform:translateY(12px);transition:.55s ease}.reveal.show{opacity:1;transform:none}
@media(max-width:992px){.desktop-nav{gap:15px}.nav-actions .btn{display:none}.page-head-grid,.faq-wrap{grid-template-columns:1fr;gap:35px}.coord-panel{max-width:420px}.featured{grid-template-columns:1fr}.abstract-cover{min-height:150px}.footer-grid{gap:35px}}
@media(max-width:768px){.container{width:min(var(--max),calc(100% - 40px))}.nav-wrap{height:70px}.brand{min-width:0}.brand-mark{width:32px;height:32px}.desktop-nav,.nav-actions{display:none}.menu-toggle{display:block}.mobile-drawer{position:fixed;display:flex;visibility:hidden;opacity:0;right:0;top:70px;width:min(340px,88vw);height:calc(100vh - 70px);padding:25px;flex-direction:column;gap:6px;background:var(--white);border-left:1px solid var(--line);box-shadow:-15px 20px 40px rgba(18,21,17,.13);transform:translateX(20px);transition:.25s}.mobile-drawer a:not(.btn){min-height:48px;padding:10px 2px;border-bottom:1px solid var(--line)}.mobile-drawer .age-badge{margin-top:18px;align-self:flex-start}.mobile-drawer .btn{margin-top:10px}.topbar.menu-visible .mobile-drawer{visibility:visible;opacity:1;transform:none}.page-head{padding:54px 0}.section{padding:68px 0}.tool-bar{top:70px;align-items:flex-start;flex-direction:column}.content-list,.info-band{grid-template-columns:1fr}.featured-copy{padding:28px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:grid;gap:8px;margin-top:30px}}
@media(max-width:480px){.container{width:calc(100% - 36px)}h1{font-size:40px}.page-lead{font-size:16px}.content-list{gap:12px}.index-item{grid-template-columns:88px 1fr;padding:12px;gap:12px}.thumb{min-height:96px}.item-top h3{font-size:16px}.item-summary{font-size:13px}.sort-label{width:100%}.feature-number{font-size:45px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}