/* roulang page: index */
:root{
      --graphite:#171612;
      --graphite-2:#202018;
      --gold:#9A8452;
      --gold-dark:#806B3F;
      --ivory:#F7F3EA;
      --card:#FFFDF7;
      --sand:#ECE5D8;
      --text:#202018;
      --muted:#706A5F;
      --sage:#6F7D5B;
      --line:rgba(32,32,24,.10);
      --line-strong:rgba(32,32,24,.18);
      --white-soft:#FDF8ED;
      --shadow:0 20px 60px rgba(35,31,22,.08);
      --shadow-strong:0 26px 80px rgba(35,31,22,.14);
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --side:248px;
      --ease:cubic-bezier(.2,.8,.2,1);
      --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 78% 0%, rgba(154,132,82,.10), transparent 34%),
        linear-gradient(180deg, #F8F4EB 0%, var(--ivory) 46%, #F3EEE3 100%);
      line-height:1.8;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease),border-color .24s var(--ease)}
    a:hover,a:focus{color:inherit}
    img{max-width:100%;display:block}
    button,input{font-family:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(154,132,82,.45);outline-offset:3px}
    p{margin:0 0 1rem}
    h1,h2,h3,h4{font-weight:760;color:var(--text);letter-spacing:-.035em;line-height:1.12;margin:0}
    .app-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--side);
      height:100vh;
      background:
        linear-gradient(180deg, rgba(255,255,255,.035), transparent 36%),
        var(--graphite);
      color:var(--white-soft);
      padding:28px 20px;
      z-index:80;
      display:flex;
      flex-direction:column;
      border-right:1px solid rgba(255,255,255,.08);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-height:48px;
      margin-bottom:34px;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border:1px solid rgba(247,243,234,.22);
      border-radius:16px;
      display:grid;
      place-items:center;
      position:relative;
      background:linear-gradient(145deg, rgba(154,132,82,.24), rgba(255,255,255,.04));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.05);
      flex:0 0 auto;
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      width:8px;
      height:22px;
      border-radius:999px;
      background:var(--gold);
      transform:rotate(18deg);
    }
    .brand-mark:before{left:13px}
    .brand-mark:after{right:13px;transform:rotate(-18deg)}
    .brand-text strong{display:block;font-size:17px;line-height:1.2;letter-spacing:-.02em}
    .brand-text span{display:block;font-size:12px;color:rgba(253,248,237,.62);margin-top:3px;letter-spacing:.04em}
    .nav-label{
      font-size:12px;
      color:rgba(253,248,237,.52);
      margin:0 0 10px 12px;
    }
    .shell-menu{list-style:none;margin:0;padding:0;display:grid;gap:6px}
    .shell-menu a{
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 13px;
      border-radius:14px;
      color:rgba(253,248,237,.75);
      font-size:14px;
      position:relative;
    }
    .shell-menu a:before{
      content:"";
      width:3px;
      height:18px;
      border-radius:999px;
      background:transparent;
      position:absolute;
      left:0;
      top:50%;
      transform:translateY(-50%);
    }
    .shell-menu a:hover{
      background:rgba(255,255,255,.06);
      color:#fff;
      transform:translateX(2px);
    }
    .shell-menu a.active{
      background:rgba(255,255,255,.075);
      color:#fff;
    }
    .shell-menu a.active:before{background:var(--gold)}
    .nav-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:rgba(154,132,82,.55);
      box-shadow:0 0 0 4px rgba(154,132,82,.10);
      flex:0 0 auto;
    }
    .side-spacer{flex:1}
    .side-status{
      border:1px solid rgba(255,255,255,.10);
      border-radius:20px;
      padding:16px;
      background:rgba(255,255,255,.045);
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(154,132,82,.16);
      color:#F2E7CC;
      font-size:12px;
      margin-bottom:10px;
    }
    .status-badge:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--sage);
    }
    .side-status p{
      color:rgba(253,248,237,.70);
      font-size:13px;
      line-height:1.65;
      margin:0;
    }
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:100;
      background:rgba(23,22,18,.96);
      backdrop-filter:saturate(160%) blur(12px);
      color:var(--white-soft);
      border-bottom:1px solid rgba(255,255,255,.08);
      padding:10px 18px;
      min-height:64px;
      align-items:center;
      justify-content:space-between;
    }
    .menu-toggle{
      width:44px;
      height:44px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      border-radius:14px;
      color:var(--white-soft);
      display:grid;
      place-items:center;
    }
    .menu-lines,.menu-lines:before,.menu-lines:after{
      display:block;
      width:18px;
      height:2px;
      border-radius:999px;
      background:currentColor;
      content:"";
      transition:transform .24s var(--ease);
    }
    .menu-lines:before{transform:translateY(-6px)}
    .menu-lines:after{transform:translateY(4px)}
    .mobile-drawer{
      display:none;
      background:var(--graphite);
      color:var(--white-soft);
      padding:10px 18px 18px;
      position:sticky;
      top:64px;
      z-index:99;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .mobile-drawer.open{display:block}
    .main-content{
      margin-left:var(--side);
      min-height:100vh;
      overflow:hidden;
    }
    .page-container{
      max-width:1240px;
      margin:0 auto;
      padding:0 52px;
    }
    .section{
      padding:96px 0;
      position:relative;
    }
    .section.compact{padding:72px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(154,132,82,.10);
      color:var(--gold-dark);
      font-size:13px;
      font-weight:700;
      margin-bottom:16px;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--gold);
    }
    .section-title{
      font-size:42px;
      max-width:760px;
    }
    .section-note{
      color:var(--muted);
      max-width:480px;
      font-size:16px;
      line-height:1.75;
      margin:0;
    }
    .hero{
      min-height:760px;
      padding:74px 0 62px;
      display:flex;
      align-items:center;
      position:relative;
      isolation:isolate;
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(247,243,234,.94) 0%, rgba(247,243,234,.86) 48%, rgba(247,243,234,.70) 100%),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      z-index:-2;
    }
    .hero:after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-120px;
      top:90px;
      border:1px solid rgba(154,132,82,.22);
      border-radius:50%;
      z-index:-1;
      box-shadow:inset 0 0 0 34px rgba(154,132,82,.035);
    }
    .hero-grid{align-items:center}
    .hero h1{
      font-size:64px;
      line-height:1.08;
      max-width:760px;
      margin-bottom:24px;
    }
    .underlined{
      position:relative;
      white-space:nowrap;
    }
    .underlined:after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:.05em;
      height:9px;
      background:rgba(154,132,82,.25);
      z-index:-1;
      border-radius:999px;
    }
    .hero-copy{
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
      max-width:650px;
      margin-bottom:26px;
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:24px 0 0;
    }
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,253,247,.72);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
      line-height:1.2;
    }
    .pill strong{color:var(--text)}
    .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .btn-primary,.btn-secondary,.btn-text{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      border-radius:999px;
      font-weight:720;
      font-size:14px;
      line-height:1;
      transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .btn-primary{
      background:var(--graphite);
      color:var(--white-soft);
      padding:15px 22px;
      box-shadow:0 14px 36px rgba(23,22,18,.18);
    }
    .btn-primary .arrow,.btn-secondary .arrow,.btn-text .arrow{transition:transform .24s var(--ease);color:var(--gold)}
    .btn-primary:hover{
      background:#28251D;
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 20px 48px rgba(23,22,18,.22);
    }
    .btn-primary:hover .arrow,.btn-secondary:hover .arrow,.btn-text:hover .arrow{transform:translateX(4px)}
    .btn-secondary{
      color:var(--text);
      border:1px solid rgba(32,32,24,.22);
      padding:14px 20px;
      background:rgba(255,253,247,.38);
    }
    .btn-secondary:hover{
      background:var(--card);
      border-color:rgba(32,32,24,.36);
      transform:translateY(-2px);
    }
    .btn-text{
      color:var(--gold-dark);
      min-height:36px;
      padding:6px 0;
    }
    .btn-text:hover{color:var(--text)}
    .index-panel{
      background:rgba(255,253,247,.86);
      border:1px solid var(--line);
      border-radius:32px;
      padding:26px;
      box-shadow:var(--shadow-strong);
      position:relative;
      overflow:hidden;
    }
    .index-panel:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:5px;
      background:linear-gradient(90deg,var(--gold),rgba(111,125,91,.72),transparent);
    }
    .panel-top{
      display:flex;
      justify-content:space-between;
      gap:18px;
      align-items:flex-start;
      margin-bottom:18px;
    }
    .panel-top h2{
      font-size:24px;
      letter-spacing:-.03em;
    }
    .panel-top p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .panel-code{
      font-size:12px;
      color:var(--gold-dark);
      border:1px solid rgba(154,132,82,.26);
      background:rgba(154,132,82,.08);
      border-radius:999px;
      padding:6px 10px;
      white-space:nowrap;
    }
    .index-list{display:grid;gap:10px;margin:18px 0 22px}
    .index-item{
      display:grid;
      grid-template-columns:auto 1fr auto;
      align-items:center;
      gap:12px;
      padding:14px;
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(247,243,234,.56);
    }
    .index-item:hover{
      border-color:rgba(154,132,82,.32);
      background:#fff;
      transform:translateY(-2px);
    }
    .index-no{
      width:30px;
      height:30px;
      border-radius:10px;
      background:var(--graphite);
      color:var(--white-soft);
      display:grid;
      place-items:center;
      font-size:12px;
      font-weight:800;
    }
    .index-item strong{display:block;font-size:15px;line-height:1.25}
    .index-item span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .panel-metric{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .metric{
      border-radius:18px;
      background:var(--sand);
      padding:14px 12px;
      border:1px solid rgba(32,32,24,.06);
    }
    .metric b{display:block;font-size:22px;line-height:1.1;color:var(--gold-dark)}
    .metric span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .layer-bar{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .layer-item{
      display:grid;
      grid-template-columns:86px 230px 1fr;
      gap:22px;
      padding:24px 28px;
      align-items:center;
      border-bottom:1px solid var(--line);
      transition:background .24s var(--ease),transform .24s var(--ease);
    }
    .layer-item:last-child{border-bottom:0}
    .layer-item:hover{background:rgba(236,229,216,.42)}
    .layer-num{
      color:var(--gold-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .layer-title{font-size:20px;font-weight:760;line-height:1.25}
    .layer-desc{color:var(--muted);font-size:15px;line-height:1.75;margin:0}
    .feature-wrap{
      background:var(--graphite);
      color:var(--white-soft);
      border-radius:36px;
      padding:44px;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-strong);
    }
    .feature-wrap:before{
      content:"";
      position:absolute;
      width:360px;
      height:360px;
      right:-120px;
      top:-150px;
      border-radius:50%;
      border:1px solid rgba(154,132,82,.26);
      box-shadow:inset 0 0 0 26px rgba(154,132,82,.05);
    }
    .feature-wrap h2,.feature-wrap h3{color:var(--white-soft)}
    .feature-wrap .section-note{color:rgba(253,248,237,.68)}
    .feature-intro{
      padding-right:20px;
      position:relative;
      z-index:1;
    }
    .feature-intro p{
      color:rgba(253,248,237,.70);
      margin-top:18px;
      max-width:420px;
    }
    .feature-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      position:relative;
      z-index:1;
    }
    .feature-card{
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      border-radius:22px;
      padding:22px;
      transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      background:rgba(255,255,255,.075);
      border-color:rgba(154,132,82,.42);
    }
    .feature-icon{
      width:38px;
      height:38px;
      border-radius:14px;
      background:rgba(154,132,82,.18);
      display:grid;
      place-items:center;
      color:#E5D4A7;
      font-weight:850;
      margin-bottom:16px;
    }
    .feature-card h3{font-size:20px;margin-bottom:9px}
    .feature-card p{color:rgba(253,248,237,.68);font-size:14px;line-height:1.72;margin:0 0 12px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(236,229,216,.82);
      border:1px solid rgba(32,32,24,.06);
      color:var(--text);
      font-size:12px;
      font-weight:700;
      line-height:1;
    }
    .tag.gold{background:rgba(154,132,82,.18);color:#6F582D;border-color:rgba(154,132,82,.22)}
    .tag.sage{background:rgba(111,125,91,.14);color:#536140;border-color:rgba(111,125,91,.22)}
    .feature-card .tag{background:rgba(154,132,82,.18);color:#EADCB6;border-color:rgba(154,132,82,.20)}
    .timeline{
      display:grid;
      gap:18px;
      position:relative;
    }
    .timeline:before{
      content:"";
      position:absolute;
      left:23px;
      top:22px;
      bottom:22px;
      width:1px;
      background:rgba(154,132,82,.28);
    }
    .timeline-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:18px;
      position:relative;
    }
    .time-dot{
      width:48px;
      height:48px;
      border-radius:16px;
      background:var(--graphite);
      color:var(--white-soft);
      display:grid;
      place-items:center;
      font-weight:820;
      box-shadow:0 0 0 8px var(--ivory);
      z-index:1;
    }
    .time-card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px 24px;
      display:grid;
      grid-template-columns:1.15fr 1fr auto;
      gap:20px;
      align-items:center;
      box-shadow:0 12px 38px rgba(35,31,22,.055);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .time-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(154,132,82,.28);
    }
    .time-card h3{font-size:21px;margin-bottom:6px}
    .time-card p{color:var(--muted);font-size:14px;line-height:1.72;margin:0}
    .time-meta{
      display:grid;
      gap:6px;
      color:var(--muted);
      font-size:13px;
    }
    .time-meta b{color:var(--text)}
    .showcase{
      background:linear-gradient(180deg, rgba(236,229,216,.58), rgba(236,229,216,.26));
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .path-board{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:32px;
      padding:34px;
      box-shadow:var(--shadow);
    }
    .path-row{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      overflow:hidden;
      border-radius:24px;
      border:1px solid var(--line);
    }
    .path-step{
      padding:26px 22px;
      background:#fffdf8;
      min-height:190px;
      position:relative;
      border-right:1px solid var(--line);
    }
    .path-step:last-child{border-right:0}
    .path-step:after{
      content:"";
      position:absolute;
      right:-10px;
      top:50%;
      width:20px;
      height:20px;
      transform:translateY(-50%) rotate(45deg);
      background:#fffdf8;
      border-top:1px solid var(--line);
      border-right:1px solid var(--line);
      z-index:1;
    }
    .path-step:last-child:after{display:none}
    .path-step b{
      display:inline-flex;
      width:34px;
      height:34px;
      border-radius:12px;
      background:rgba(154,132,82,.15);
      color:var(--gold-dark);
      align-items:center;
      justify-content:center;
      margin-bottom:16px;
    }
    .path-step h3{font-size:20px;margin-bottom:10px}
    .path-step p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}
    .visual-card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:32px;
      padding:16px;
      box-shadow:var(--shadow);
      height:100%;
    }
    .visual-card img{
      border-radius:24px;
      aspect-ratio:16/10;
      object-fit:cover;
      width:100%;
      filter:saturate(.92) contrast(.98);
    }
    .visual-card figcaption{
      padding:16px 8px 4px;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .plan-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr 1.05fr;
      gap:18px;
      align-items:stretch;
    }
    .plan-card{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:28px;
      padding:28px;
      box-shadow:0 12px 34px rgba(35,31,22,.055);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
      position:relative;
      overflow:hidden;
    }
    .plan-card:hover{
      transform:translateY(-4px);
      border-color:rgba(154,132,82,.30);
      box-shadow:var(--shadow);
    }
    .plan-card.featured{
      background:var(--graphite);
      color:var(--white-soft);
      transform:translateY(-10px);
    }
    .plan-card.featured:hover{transform:translateY(-14px)}
    .plan-card.featured h3,.plan-card.featured .plan-level{color:var(--white-soft)}
    .plan-level{
      display:block;
      color:var(--gold-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:12px;
    }
    .plan-card h3{font-size:24px;margin-bottom:12px}
    .plan-card p{color:var(--muted);font-size:15px;line-height:1.75;margin-bottom:18px}
    .plan-card.featured p{color:rgba(253,248,237,.70)}
    .check-list{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px}
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }
    .plan-card.featured .check-list li{color:rgba(253,248,237,.74)}
    .check-list li:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--sage);
      margin-top:7px;
      flex:0 0 auto;
    }
    .faq-shell{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:32px;
      padding:16px;
      box-shadow:var(--shadow);
    }
    .accordion{
      margin:0;
      background:transparent;
    }
    .accordion-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:#fffefa;
      overflow:hidden;
      margin-bottom:10px;
    }
    .accordion-item:last-child{margin-bottom:0}
    .accordion-title{
      border:0!important;
      color:var(--text);
      font-size:17px;
      font-weight:760;
      padding:20px 54px 20px 20px;
      background:#fffefa;
      line-height:1.5;
    }
    .accordion-title:hover,.accordion-title:focus{
      background:rgba(236,229,216,.45);
      color:var(--text);
    }
    .accordion-title:before{
      content:"+";
      right:20px;
      top:50%;
      margin-top:-13px;
      font-size:24px;
      color:var(--gold-dark);
    }
    .is-active>.accordion-title:before{content:"−"}
    .accordion-content{
      border:0!important;
      background:#fffefa;
      color:var(--muted);
      padding:0 20px 20px;
      font-size:15px;
      line-height:1.8;
    }
    .accordion-content p{margin:0}
    .cta-band{
      background:
        linear-gradient(90deg, rgba(23,22,18,.94), rgba(23,22,18,.86)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      color:var(--white-soft);
      border-radius:36px;
      padding:44px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .cta-band:after{
      content:"";
      position:absolute;
      right:28%;
      top:-80px;
      width:210px;
      height:210px;
      border-radius:50%;
      border:1px solid rgba(154,132,82,.26);
    }
    .cta-band h2{
      color:var(--white-soft);
      font-size:36px;
      margin-bottom:12px;
      max-width:760px;
    }
    .cta-band p{
      color:rgba(253,248,237,.70);
      max-width:690px;
      margin:0;
    }
    .site-footer{
      margin-left:var(--side);
      background:var(--graphite);
      color:var(--white-soft);
      padding:52px 0 30px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-brand strong{font-size:18px}
    .footer-text{
      color:rgba(253,248,237,.66);
      font-size:14px;
      line-height:1.75;
      max-width:520px;
      margin:0;
    }
    .footer-title{
      color:rgba(253,248,237,.92);
      font-size:14px;
      font-weight:800;
      margin-bottom:12px;
    }
    .footer-links{display:grid;gap:8px}
    .footer-links a{
      color:rgba(253,248,237,.64);
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      border-top:1px solid rgba(255,255,255,.08);
      margin-top:34px;
      padding-top:22px;
      color:rgba(253,248,237,.50);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }
    .search-mini{
      display:flex;
      gap:8px;
      background:var(--card);
      border:1px solid var(--line);
      border-radius:999px;
      padding:6px;
      box-shadow:0 8px 24px rgba(35,31,22,.05);
      max-width:520px;
    }
    .search-mini input{
      border:0;
      box-shadow:none;
      background:transparent;
      margin:0;
      height:42px;
      padding:0 16px;
      color:var(--text);
      font-size:14px;
    }
    .search-mini input:focus{box-shadow:none;background:transparent}
    .search-mini button{
      border:0;
      background:var(--graphite);
      color:var(--white-soft);
      border-radius:999px;
      padding:0 18px;
      min-width:92px;
      font-weight:760;
    }
    .search-mini button:hover{background:#28251D}
    @media (max-width:1180px){
      :root{--side:228px}
      .page-container{padding:0 36px}
      .hero h1{font-size:56px}
      .time-card{grid-template-columns:1fr}
      .section-title{font-size:38px}
      .path-row{grid-template-columns:repeat(2,1fr)}
      .path-step:nth-child(2){border-right:0}
      .path-step:nth-child(2):after{display:none}
    }
    @media (max-width:900px){
      .side-nav{display:none}
      .mobile-topbar{display:flex}
      .main-content,.site-footer{margin-left:0}
      .page-container{padding:0 22px}
      .hero{min-height:auto;padding:72px 0 58px}
      .hero:after{width:330px;height:330px;right:-150px;top:120px}
      .hero h1{font-size:42px}
      .hero-copy{font-size:16px}
      .section{padding:72px 0}
      .section.compact{padding:58px 0}
      .section-head{display:block}
      .section-note{margin-top:14px}
      .section-title{font-size:32px}
      .layer-item{grid-template-columns:1fr;gap:8px}
      .feature-wrap{padding:30px}
      .feature-intro{padding-right:0;margin-bottom:24px}
      .feature-matrix{grid-template-columns:1fr}
      .path-row{grid-template-columns:1fr}
      .path-step{border-right:0;border-bottom:1px solid var(--line)}
      .path-step:after{display:none}
      .path-step:last-child{border-bottom:0}
      .plan-grid{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .plan-card.featured:hover{transform:translateY(-4px)}
      .cta-band{grid-template-columns:1fr;padding:32px}
      .cta-band h2{font-size:30px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:640px){
      .page-container{padding:0 18px}
      .brand-text strong{font-size:16px}
      .mobile-drawer .shell-menu a{padding:12px 10px}
      .hero h1{font-size:38px;letter-spacing:-.04em}
      .hero-copy{line-height:1.78}
      .actions{display:grid;grid-template-columns:1fr;width:100%}
      .btn-primary,.btn-secondary{width:100%}
      .index-panel{padding:20px;border-radius:26px}
      .panel-top{display:block}
      .panel-code{display:inline-flex;margin-top:12px}
      .index-item{grid-template-columns:auto 1fr}
      .index-item .arrow{display:none}
      .panel-metric{grid-template-columns:1fr}
      .section-title{font-size:29px}
      .layer-item{padding:20px}
      .feature-wrap{border-radius:28px;padding:24px}
      .time-card{padding:20px}
      .path-board{padding:18px;border-radius:26px}
      .visual-card{margin-top:18px}
      .search-mini{border-radius:22px;display:grid}
      .search-mini button{height:42px}
      .cta-band{border-radius:28px;padding:26px}
      .cta-band h2{font-size:28px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --graphite:#171612;
      --graphite-2:#202018;
      --gold:#9A8452;
      --gold-dark:#7e6b42;
      --ivory:#F7F3EA;
      --card:#FFFDF7;
      --sand:#ECE5D8;
      --text:#202018;
      --muted:#706A5F;
      --sage:#6F7D5B;
      --line:rgba(32,32,24,.10);
      --line-strong:rgba(32,32,24,.18);
      --white-soft:#fffaf0;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 20px 60px rgba(35,31,22,.08);
      --shadow-hover:0 26px 70px rgba(35,31,22,.13);
      --side:248px;
      --focus:0 0 0 4px rgba(154,132,82,.24);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 82% 8%, rgba(154,132,82,.10), transparent 34%),
        linear-gradient(180deg, #F7F3EA 0%, #F2EBDD 100%);
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none;transition:color .22s ease,background .22s ease,transform .22s ease,border-color .22s ease}
    a:hover,a:focus{color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:none;box-shadow:var(--focus)}
    .page-shell{min-height:100vh}
    .side-nav{
      position:fixed;
      inset:0 auto 0 0;
      width:var(--side);
      height:100vh;
      z-index:50;
      display:flex;
      flex-direction:column;
      padding:26px 18px;
      background:
        linear-gradient(180deg, rgba(255,255,255,.045), transparent 38%),
        var(--graphite);
      color:#F7F3EA;
      border-right:1px solid rgba(255,255,255,.08);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:13px;
      min-height:56px;
      padding:8px 8px 18px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .brand:hover{transform:translateX(2px)}
    .brand-mark{
      position:relative;
      width:40px;
      height:40px;
      flex:0 0 40px;
      border:1px solid rgba(255,255,255,.22);
      border-radius:14px;
      background:linear-gradient(135deg, rgba(154,132,82,.95), rgba(154,132,82,.32));
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";
      position:absolute;
      top:10px;
      bottom:10px;
      width:7px;
      border-radius:99px;
      background:#171612;
      opacity:.88;
    }
    .brand-mark:before{left:10px;transform:skewX(-14deg)}
    .brand-mark:after{right:10px;transform:skewX(14deg)}
    .brand-text{display:flex;flex-direction:column;line-height:1.25}
    .brand-text strong{font-size:17px;letter-spacing:.02em;color:#fffdf7}
    .brand-text span{font-size:12px;color:rgba(247,243,234,.66);margin-top:3px}
    .nav-label{
      margin:26px 10px 10px;
      font-size:12px;
      letter-spacing:.12em;
      color:rgba(247,243,234,.48);
    }
    .shell-menu{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .shell-menu a{
      position:relative;
      display:flex;
      align-items:center;
      gap:10px;
      min-height:46px;
      padding:11px 12px;
      color:rgba(247,243,234,.72);
      border-radius:15px;
      border:1px solid transparent;
    }
    .shell-menu a:before{
      content:"";
      position:absolute;
      left:0;
      top:12px;
      bottom:12px;
      width:3px;
      border-radius:999px;
      background:transparent;
      transition:background .22s ease;
    }
    .shell-menu a:hover{
      color:#fffdf7;
      background:rgba(255,255,255,.06);
      transform:translateX(2px);
      border-color:rgba(255,255,255,.07);
    }
    .shell-menu a.active{
      color:#fffdf7;
      background:rgba(255,255,255,.075);
      border-color:rgba(255,255,255,.09);
    }
    .shell-menu a.active:before{background:var(--gold)}
    .nav-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:rgba(247,243,234,.36);
      box-shadow:0 0 0 4px rgba(247,243,234,.04);
    }
    .active .nav-dot{background:var(--gold)}
    .side-spacer{flex:1}
    .side-status{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
    }
    .status-badge{
      display:inline-flex;
      align-items:center;
      min-height:24px;
      padding:3px 10px;
      border-radius:999px;
      color:#fffdf7;
      background:rgba(154,132,82,.30);
      border:1px solid rgba(154,132,82,.38);
      font-size:12px;
    }
    .side-status p{
      margin:10px 0 0;
      color:rgba(247,243,234,.62);
      font-size:13px;
      line-height:1.65;
    }
    .mobile-topbar{
      display:none;
      position:sticky;
      top:0;
      z-index:70;
      min-height:64px;
      padding:10px 18px;
      background:rgba(23,22,18,.96);
      color:#fffdf7;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .mobile-topbar .brand{padding:0;border:0;min-height:auto}
    .menu-toggle{
      width:44px;
      height:44px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.06);
      color:#fffdf7;
      display:grid;
      place-items:center;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      display:block;
      width:18px;
      height:2px;
      border-radius:99px;
      background:#fffdf7;
      content:"";
      transition:transform .2s ease,opacity .2s ease;
    }
    .menu-toggle span:before{transform:translateY(-6px)}
    .menu-toggle span:after{transform:translateY(4px)}
    .menu-toggle.is-open span{background:transparent}
    .menu-toggle.is-open span:before{transform:translateY(2px) rotate(45deg)}
    .menu-toggle.is-open span:after{transform:translateY(0) rotate(-45deg)}
    .mobile-drawer{
      display:none;
      background:var(--graphite);
      color:#fffdf7;
      padding:0 18px 18px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .main-content{margin-left:var(--side)}
    .page-container{
      width:min(100%, 1240px);
      margin:0 auto;
      padding:0 52px;
    }
    .section{padding:94px 0}
    .section.tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:16px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(154,132,82,.13);
      border:1px solid rgba(154,132,82,.22);
      color:var(--gold-dark);
      font-size:13px;
      font-weight:700;
      letter-spacing:.03em;
    }
    .eyebrow:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--gold);
    }
    .hero{
      position:relative;
      overflow:hidden;
      min-height:620px;
      display:flex;
      align-items:center;
      padding:78px 0 66px;
      background:
        linear-gradient(90deg, rgba(247,243,234,.97), rgba(247,243,234,.90) 50%, rgba(247,243,234,.78)),
        url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
      border-bottom:1px solid var(--line);
    }
    .hero:before{
      content:"";
      position:absolute;
      right:-210px;
      top:-260px;
      width:620px;
      height:620px;
      border-radius:50%;
      border:1px solid rgba(154,132,82,.22);
    }
    .hero:after{
      content:"";
      position:absolute;
      left:calc(50% + 30px);
      bottom:64px;
      width:170px;
      height:170px;
      border-radius:42px;
      transform:rotate(14deg);
      background:rgba(236,229,216,.55);
      border:1px solid rgba(32,32,24,.08);
    }
    .hero-grid{position:relative;z-index:2;align-items:center}
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:18px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:var(--graphite-2);
      border-bottom:1px solid rgba(154,132,82,.35);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      max-width:720px;
      margin-bottom:22px;
      font-size:58px;
      line-height:1.08;
      letter-spacing:-.05em;
      color:var(--graphite-2);
    }
    h1 .underline,h2 .underline{
      background:linear-gradient(transparent 72%, rgba(154,132,82,.32) 0);
      padding:0 .04em;
    }
    .hero-lead{
      max-width:650px;
      margin-bottom:26px;
      color:var(--muted);
      font-size:17px;
      line-height:1.85;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
    .btn-primary,.btn-secondary,.btn-text{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:46px;
      border-radius:999px;
      font-weight:700;
      line-height:1;
      transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .btn-primary{
      padding:15px 23px;
      background:var(--graphite);
      color:#fffdf7;
      border:1px solid var(--graphite);
      box-shadow:0 14px 32px rgba(23,22,18,.18);
    }
    .btn-primary:after,.btn-text:after{content:"→";color:var(--gold);transition:transform .22s ease}
    .btn-primary:hover{
      color:#fffdf7;
      background:#26241d;
      transform:translateY(-2px);
      box-shadow:0 18px 42px rgba(23,22,18,.24);
    }
    .btn-primary:hover:after,.btn-text:hover:after{transform:translateX(4px)}
    .btn-secondary{
      padding:14px 22px;
      color:var(--graphite-2);
      border:1px solid rgba(32,32,24,.22);
      background:rgba(255,253,247,.45);
    }
    .btn-secondary:hover{
      border-color:var(--gold);
      background:rgba(255,253,247,.85);
      transform:translateY(-2px);
    }
    .btn-text{
      min-height:auto;
      padding:0;
      color:var(--graphite-2);
      font-size:14px;
    }
    .metric-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .metric-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,253,247,.65);
      border:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .metric-pill b{color:var(--gold-dark)}
    .summary-card{
      position:relative;
      overflow:hidden;
      padding:28px;
      border-radius:var(--radius-lg);
      background:rgba(255,253,247,.90);
      border:1px solid rgba(32,32,24,.12);
      box-shadow:var(--shadow);
    }
    .summary-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(154,132,82,.10), transparent 38%);
      pointer-events:none;
    }
    .summary-card > *{position:relative;z-index:1}
    .summary-head{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:18px;
      padding-bottom:18px;
      border-bottom:1px solid var(--line);
    }
    .summary-head h2{
      margin:0;
      font-size:25px;
      line-height:1.25;
      letter-spacing:-.03em;
    }
    .status-light{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(111,125,91,.13);
      color:var(--sage);
      font-size:12px;
      font-weight:700;
      white-space:nowrap;
    }
    .status-light:before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--sage);
    }
    .summary-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:13px}
    .summary-list li{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:13px 0;
      border-bottom:1px solid rgba(32,32,24,.075);
      color:var(--muted);
    }
    .summary-list li:last-child{border-bottom:0}
    .summary-list strong{color:var(--graphite-2)}
    .summary-note{
      margin:18px 0 0;
      padding:14px;
      border-radius:18px;
      background:var(--sand);
      color:var(--muted);
      font-size:14px;
      line-height:1.7;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:30px;
    }
    .section-kicker{
      margin-bottom:10px;
      color:var(--gold-dark);
      font-weight:800;
      font-size:13px;
      letter-spacing:.08em;
    }
    h2{
      margin-bottom:0;
      color:var(--graphite-2);
      font-size:40px;
      line-height:1.16;
      letter-spacing:-.045em;
    }
    .section-note{
      max-width:430px;
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.75;
    }
    .filter-card{
      padding:18px;
      border-radius:24px;
      background:rgba(255,253,247,.72);
      border:1px solid var(--line);
      box-shadow:0 14px 42px rgba(35,31,22,.05);
    }
    .topic-search{
      display:flex;
      gap:10px;
      margin-bottom:14px;
      padding:7px;
      border-radius:999px;
      background:var(--sand);
      border:1px solid rgba(32,32,24,.08);
    }
    .topic-search input{
      flex:1;
      min-width:0;
      height:42px;
      border:0;
      box-shadow:none;
      margin:0;
      padding:0 15px;
      background:transparent;
      color:var(--text);
    }
    .topic-search input:focus{box-shadow:none;background:rgba(255,253,247,.55);border-radius:999px}
    .topic-search button{
      min-width:92px;
      height:42px;
      border:0;
      border-radius:999px;
      background:var(--graphite);
      color:#fffdf7;
      font-weight:700;
    }
    .topic-search button:hover{background:#2a281f}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      background:var(--sand);
      color:var(--graphite-2);
      border:1px solid transparent;
      font-size:13px;
      font-weight:700;
    }
    .tag:hover{
      transform:translateY(-2px);
      border-color:rgba(154,132,82,.32);
      background:#fffdf7;
    }
    .tag.active{
      background:var(--gold);
      color:#fffdf7;
      border-color:var(--gold);
    }
    .feature-card{
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--card);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(154,132,82,.32);
      box-shadow:var(--shadow-hover);
    }
    .feature-image{
      min-height:100%;
      height:100%;
      overflow:hidden;
      background:var(--sand);
    }
    .feature-image img{
      width:100%;
      height:100%;
      min-height:340px;
      object-fit:cover;
    }
    .feature-body{padding:32px}
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .mini-tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(154,132,82,.12);
      color:var(--gold-dark);
      font-size:12px;
      font-weight:800;
    }
    .date-tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      background:var(--sand);
      color:var(--muted);
      font-size:12px;
      font-weight:700;
    }
    h3{
      margin-bottom:11px;
      color:var(--graphite-2);
      font-size:23px;
      line-height:1.35;
      letter-spacing:-.02em;
    }
    .feature-body p,.list-item p,.explain-text p,.step-card p,.faq-answer p{
      color:var(--muted);
      line-height:1.82;
    }
    .feature-body p{margin-bottom:18px}
    .topic-list{display:grid;gap:14px;margin-top:18px}
    .list-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:24px;
      border-radius:22px;
      background:rgba(255,253,247,.82);
      border:1px solid var(--line);
      transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease,background .24s ease;
    }
    .list-item:hover{
      transform:translateY(-3px);
      border-color:rgba(154,132,82,.32);
      background:var(--card);
      box-shadow:0 18px 46px rgba(35,31,22,.08);
    }
    .list-item h3{font-size:21px}
    .list-item p{margin:0 0 12px}
    .read-button{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:116px;
      min-height:42px;
      padding:10px 16px;
      border-radius:999px;
      background:var(--sand);
      color:var(--graphite-2);
      font-weight:800;
      font-size:14px;
      border:1px solid rgba(32,32,24,.08);
    }
    .read-button:hover{
      background:var(--graphite);
      color:#fffdf7;
      transform:translateX(2px);
    }
    .split-panel{
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:var(--graphite);
      color:#fffdf7;
      box-shadow:var(--shadow);
    }
    .split-visual{
      height:100%;
      min-height:420px;
      background:
        linear-gradient(180deg, rgba(23,22,18,.14), rgba(23,22,18,.58)),
        url("/assets/images/coverpic/cover-3.webp") center/cover no-repeat;
    }
    .split-copy{padding:44px}
    .split-copy h2{color:#fffdf7}
    .split-copy .section-kicker{color:#d5c59c}
    .split-copy p{color:rgba(247,243,234,.72)}
    .number-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:13px}
    .number-list li{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:14px;
      align-items:start;
      padding:15px;
      border-radius:18px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.09);
    }
    .number-list b{
      display:grid;
      place-items:center;
      width:34px;
      height:34px;
      border-radius:50%;
      background:rgba(154,132,82,.24);
      color:#f3dfab;
      font-size:13px;
    }
    .number-list strong{display:block;color:#fffdf7;margin-bottom:4px}
    .number-list span{display:block;color:rgba(247,243,234,.66);font-size:14px;line-height:1.65}
    .route-map{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .route-map:before{
      content:"";
      position:absolute;
      left:8%;
      right:8%;
      top:31px;
      height:1px;
      background:rgba(154,132,82,.36);
    }
    .step-card{
      position:relative;
      z-index:1;
      padding:24px;
      border-radius:22px;
      background:var(--card);
      border:1px solid var(--line);
      box-shadow:0 12px 38px rgba(35,31,22,.055);
      transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
    }
    .step-card:hover{
      transform:translateY(-4px);
      border-color:rgba(154,132,82,.32);
      box-shadow:var(--shadow);
    }
    .step-num{
      display:grid;
      place-items:center;
      width:44px;
      height:44px;
      margin-bottom:15px;
      border-radius:50%;
      background:var(--graphite);
      color:#fffdf7;
      border:4px solid var(--ivory);
      box-shadow:0 0 0 1px rgba(154,132,82,.28);
      font-weight:900;
    }
    .step-card h3{font-size:20px}
    .step-card p{margin:0;font-size:15px}
    .data-band{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:stretch;
      padding:22px;
      border-radius:var(--radius-lg);
      background:var(--sand);
      border:1px solid var(--line);
    }
    .data-card{
      padding:26px;
      border-radius:22px;
      background:var(--card);
      border:1px solid rgba(32,32,24,.08);
    }
    .data-card strong{
      display:block;
      margin-bottom:6px;
      color:var(--gold-dark);
      font-size:34px;
      line-height:1;
      letter-spacing:-.04em;
    }
    .data-card span{
      display:block;
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }
    .data-note{
      padding:26px;
      border-radius:22px;
      background:var(--graphite);
      color:rgba(247,243,234,.72);
    }
    .data-note h3{color:#fffdf7}
    .data-note p{margin:0;color:rgba(247,243,234,.72)}
    .accordion{
      margin:0;
      background:transparent;
    }
    .accordion-item{
      margin-bottom:12px;
      border-radius:20px;
      overflow:hidden;
      background:var(--card);
      border:1px solid var(--line);
      box-shadow:0 10px 30px rgba(35,31,22,.045);
    }
    .accordion-title{
      position:relative;
      padding:20px 56px 20px 22px;
      border:0;
      color:var(--graphite-2);
      font-size:17px;
      font-weight:850;
      line-height:1.55;
      background:var(--card);
    }
    .accordion-title:hover,.accordion-title:focus{
      background:#fbf6ea;
      color:var(--graphite-2);
    }
    .accordion-title:before{
      right:22px;
      margin-top:-10px;
      color:var(--gold-dark);
      font-size:24px;
    }
    .accordion-content{
      padding:0 22px 20px;
      border:0;
      background:var(--card);
      color:var(--muted);
    }
    .accordion-content p{margin:0}
    .cta{
      position:relative;
      overflow:hidden;
      padding:42px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(135deg, rgba(23,22,18,.97), rgba(23,22,18,.86)),
        url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
      color:#fffdf7;
      box-shadow:var(--shadow);
    }
    .cta:after{
      content:"";
      position:absolute;
      right:36px;
      top:36px;
      width:96px;
      height:96px;
      border-radius:32px;
      border:1px solid rgba(255,255,255,.14);
      transform:rotate(12deg);
    }
    .cta h2{color:#fffdf7}
    .cta p{
      max-width:660px;
      margin:16px 0 24px;
      color:rgba(247,243,234,.72);
      line-height:1.8;
    }
    .cta .btn-secondary{
      color:#fffdf7;
      border-color:rgba(255,255,255,.28);
      background:rgba(255,255,255,.05);
    }
    .cta .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.42)}
    .site-footer{
      margin-left:var(--side);
      padding:58px 0 26px;
      background:var(--graphite);
      color:#fffdf7;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr 1fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:14px;
    }
    .footer-brand strong{font-size:18px}
    .footer-text{
      margin:0;
      color:rgba(247,243,234,.64);
      font-size:14px;
      line-height:1.75;
    }
    .footer-title{
      margin-bottom:14px;
      color:#fffdf7;
      font-weight:850;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(247,243,234,.66);
      font-size:14px;
    }
    .footer-links a:hover{
      color:#fffdf7;
      transform:translateX(2px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:20px;
      color:rgba(247,243,234,.50);
      font-size:13px;
    }
    @media (max-width:1100px){
      :root{--side:226px}
      .page-container{padding:0 34px}
      h1{font-size:50px}
      h2{font-size:36px}
      .route-map{grid-template-columns:repeat(2,1fr)}
      .route-map:before{display:none}
      .data-band{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:900px){
      .side-nav{display:none}
      .mobile-topbar{
        display:flex;
        align-items:center;
        justify-content:space-between;
        gap:18px;
      }
      .mobile-drawer.is-open{display:block}
      .mobile-drawer .shell-menu a{min-height:48px}
      .mobile-drawer .nav-label{margin:0 10px 10px}
      .main-content,.site-footer{margin-left:0}
      .page-container{padding:0 22px}
      .hero{min-height:auto;padding:54px 0 46px}
      .hero:after{display:none}
      h1{font-size:40px;letter-spacing:-.04em}
      h2{font-size:31px}
      .section{padding:68px 0}
      .section.tight{padding:48px 0}
      .summary-card{margin-top:24px}
      .section-head{display:block}
      .section-note{margin-top:12px}
      .feature-image img{min-height:260px}
      .list-item{grid-template-columns:1fr}
      .read-button{justify-self:start}
      .split-visual{min-height:260px}
      .split-copy{padding:28px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:640px){
      body{font-size:15px}
      .mobile-topbar{padding:10px 14px}
      .brand-text strong{font-size:15px}
      .brand-mark{width:36px;height:36px;flex-basis:36px}
      .page-container{padding:0 18px}
      h1{font-size:36px}
      h2{font-size:28px}
      h3{font-size:20px}
      .hero-actions{display:grid}
      .btn-primary,.btn-secondary{width:100%}
      .topic-search{border-radius:22px;display:grid;padding:10px}
      .topic-search button{width:100%}
      .feature-body{padding:24px}
      .route-map{grid-template-columns:1fr}
      .data-card strong{font-size:30px}
      .cta{padding:28px}
      .summary-list li{display:block}
      .summary-list strong{display:block;margin-bottom:4px}
    }