/* roulang page: index */
:root{
      --bg:#0d1411;
      --bg-2:#121b17;
      --surface:#17211d;
      --surface-2:#1d2924;
      --card:#15201c;
      --card-light:#1b2722;
      --text:#fff8ea;
      --text-soft:#d9d1c2;
      --muted:#9d988e;
      --line:rgba(226,188,113,.18);
      --line-soft:rgba(255,255,255,.08);
      --gold:#d9a84f;
      --gold-2:#f1c979;
      --copper:#aa7443;
      --green:#20392f;
      --danger:#d46a55;
      --radius-sm:10px;
      --radius:16px;
      --radius-lg:24px;
      --shadow:0 18px 52px rgba(0,0,0,.28);
      --shadow-soft:0 10px 32px rgba(0,0,0,.18);
      --container:1180px;
      --header-h:76px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at 8% 8%, rgba(217,168,79,.12), transparent 30%),
        radial-gradient(circle at 92% 12%, rgba(48,83,67,.28), transparent 34%),
        linear-gradient(180deg,var(--bg),#0b110f 58%,#0f1713);
      color:var(--text);
      line-height:1.72;
      font-size:16px;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.16;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), transparent 70%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(217,168,79,.35);color:#fff}

    .container{
      width:min(var(--container), calc(100% - 48px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      height:var(--header-h);
      backdrop-filter:saturate(140%) blur(16px);
      background:rgba(13,20,17,.86);
      border-bottom:1px solid var(--line-soft);
    }
    .nav-wrap{
      height:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#18130a;
      font-weight:900;
      letter-spacing:-.04em;
      background:linear-gradient(135deg,var(--gold-2),var(--gold) 54%,var(--copper));
      box-shadow:0 10px 28px rgba(217,168,79,.24);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }
    .brand-text strong{
      font-size:17px;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{
      color:var(--muted);
      font-size:12px;
      margin-top:3px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--line-soft);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .site-nav a{
      position:relative;
      padding:9px 16px;
      color:var(--text-soft);
      border-radius:999px;
      font-size:14px;
      transition:var(--ease);
    }
    .site-nav a:hover,
    .site-nav a:focus{
      color:var(--text);
      background:rgba(255,255,255,.055);
      outline:none;
    }
    .site-nav a.active{
      color:#18130a;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      box-shadow:0 8px 20px rgba(217,168,79,.18);
    }
    .nav-action{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border-radius:13px;
      background:var(--surface-2);
      color:var(--text);
      border:1px solid var(--line-soft);
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:11px 18px;
      border-radius:999px;
      font-weight:700;
      font-size:14px;
      transition:var(--ease);
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      color:#191207;
      box-shadow:0 14px 30px rgba(217,168,79,.20);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(217,168,79,.28)}
    .btn-secondary{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.04);
    }
    .btn-secondary:hover{border-color:rgba(217,168,79,.48);background:rgba(217,168,79,.08);transform:translateY(-2px)}
    .btn-ghost{
      color:var(--gold-2);
      border-color:rgba(217,168,79,.22);
      background:rgba(217,168,79,.06);
    }
    .btn-ghost:hover{background:rgba(217,168,79,.12);border-color:rgba(217,168,79,.42)}
    .btn:focus-visible,
    .faq-question:focus-visible,
    input:focus-visible{
      outline:3px solid rgba(217,168,79,.34);
      outline-offset:3px;
    }

    .hero{
      position:relative;
      min-height:700px;
      display:flex;
      align-items:center;
      overflow:hidden;
      border-bottom:1px solid var(--line-soft);
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(9,13,12,.92), rgba(9,13,12,.64) 45%, rgba(9,13,12,.88)),
        linear-gradient(180deg, rgba(13,20,17,.2), var(--bg)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:56vw;
      height:56vw;
      right:-24vw;
      top:10%;
      border-radius:50%;
      background:radial-gradient(circle, rgba(217,168,79,.20), transparent 58%);
      z-index:-1;
    }
    .hero-layout{
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:46px;
      align-items:center;
      padding:84px 0 42px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:9px;
      padding:7px 12px;
      border:1px solid var(--line);
      border-radius:999px;
      color:var(--gold-2);
      background:rgba(217,168,79,.08);
      font-size:13px;
      font-weight:700;
      margin-bottom:20px;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 5px rgba(217,168,79,.12);
    }
    h1{
      font-size:clamp(38px,5.4vw,72px);
      line-height:1.08;
      letter-spacing:-.045em;
      max-width:860px;
      font-weight:900;
      margin-bottom:22px;
    }
    .hero-lead{
      max-width:690px;
      color:var(--text-soft);
      font-size:18px;
      line-height:1.86;
      margin-bottom:30px;
    }
    .hero-cta{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      align-items:center;
      margin-bottom:32px;
    }
    .quick-strip{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      max-width:780px;
    }
    .quick-strip a,
    .quick-strip span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      color:var(--text-soft);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      font-size:13px;
      transition:var(--ease);
    }
    .quick-strip a:hover{
      color:var(--text);
      border-color:rgba(217,168,79,.35);
      transform:translateY(-1px);
    }
    .hero-panel{
      align-self:stretch;
      display:flex;
      align-items:flex-end;
      justify-content:center;
    }
    .official-board{
      width:100%;
      max-width:460px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg, rgba(29,41,36,.94), rgba(18,27,23,.94)),
        linear-gradient(135deg, rgba(217,168,79,.14), transparent);
      box-shadow:var(--shadow);
      overflow:hidden;
      transform:translateY(18px);
    }
    .board-top{
      padding:20px 22px;
      border-bottom:1px solid var(--line-soft);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .board-top strong{font-size:18px}
    .status{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#dff2dc;
      font-size:13px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(75,140,98,.16);
      border:1px solid rgba(112,191,132,.25);
      white-space:nowrap;
    }
    .status::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:#78d28b;
    }
    .board-body{padding:22px}
    .board-item{
      display:grid;
      grid-template-columns:38px 1fr;
      gap:14px;
      padding:15px 0;
      border-bottom:1px solid var(--line-soft);
    }
    .board-item:last-child{border-bottom:0;padding-bottom:0}
    .board-no{
      width:38px;height:38px;border-radius:12px;
      display:grid;place-items:center;
      color:#211707;
      font-weight:900;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
    }
    .board-item h3{
      font-size:16px;
      margin-bottom:4px;
    }
    .board-item p{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
    }

    main{position:relative}
    .section{
      padding:88px 0;
    }
    .section.compact{padding:64px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .section-title{
      max-width:720px;
    }
    .section-title .kicker{
      color:var(--gold-2);
      font-weight:800;
      font-size:13px;
      letter-spacing:.12em;
      margin-bottom:9px;
    }
    .section-title h2{
      font-size:clamp(28px,3.5vw,44px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-bottom:12px;
    }
    .section-title p{
      color:var(--text-soft);
      max-width:760px;
    }

    .asym-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:24px;
      align-items:stretch;
    }
    .feature-card{
      position:relative;
      min-height:440px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      background:var(--card);
    }
    .feature-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
      opacity:.78;
    }
    .feature-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(10,16,13,.08), rgba(10,16,13,.86) 72%);
    }
    .feature-content{
      position:absolute;
      inset:auto 0 0 0;
      padding:32px;
      z-index:1;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      border-radius:999px;
      color:var(--gold-2);
      background:rgba(217,168,79,.10);
      border:1px solid rgba(217,168,79,.22);
      font-size:12px;
      font-weight:700;
    }
    .feature-content h3{
      font-size:30px;
      line-height:1.25;
      letter-spacing:-.02em;
      margin-bottom:12px;
    }
    .feature-content p{
      color:var(--text-soft);
      max-width:620px;
      margin-bottom:20px;
    }
    .side-stack{
      display:grid;
      gap:18px;
    }
    .mini-card,
    .content-card,
    .notice-card,
    .proof-card,
    .faq-item{
      border:1px solid var(--line-soft);
      background:linear-gradient(180deg, rgba(27,39,34,.96), rgba(18,27,23,.96));
      border-radius:var(--radius);
      transition:var(--ease);
      box-shadow:0 1px 0 rgba(255,255,255,.03) inset;
    }
    .mini-card{
      padding:22px;
      min-height:132px;
    }
    .mini-card:hover,
    .content-card:hover,
    .notice-card:hover,
    .proof-card:hover{
      transform:translateY(-4px);
      border-color:rgba(217,168,79,.34);
      box-shadow:var(--shadow-soft);
    }
    .mini-card .icon{
      width:40px;height:40px;border-radius:13px;
      display:grid;place-items:center;
      margin-bottom:14px;
      background:rgba(217,168,79,.10);
      color:var(--gold-2);
      border:1px solid rgba(217,168,79,.20);
      font-weight:900;
    }
    .mini-card h3{font-size:18px;margin-bottom:8px}
    .mini-card p{color:var(--muted);font-size:14px;line-height:1.68}

    .content-layout{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:24px;
      align-items:start;
    }
    .intro-panel{
      position:sticky;
      top:calc(var(--header-h) + 22px);
      padding:30px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(160deg, rgba(217,168,79,.13), transparent 42%),
        var(--surface);
      border:1px solid var(--line);
    }
    .intro-panel h2{
      font-size:34px;
      line-height:1.22;
      margin-bottom:14px;
      letter-spacing:-.025em;
    }
    .intro-panel p{color:var(--text-soft);margin-bottom:20px}
    .check-list{
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      color:var(--text-soft);
      padding:12px 0;
      border-bottom:1px solid var(--line-soft);
    }
    .check-list li:last-child{border-bottom:0}
    .check-list li::before{
      content:"✓";
      color:#17110a;
      background:var(--gold);
      width:22px;height:22px;
      border-radius:50%;
      flex:0 0 auto;
      display:grid;place-items:center;
      font-weight:900;
      font-size:13px;
      margin-top:2px;
    }
    .content-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
    }
    .content-card{overflow:hidden}
    .content-card.wide{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr}
    .card-image{
      position:relative;
      min-height:196px;
      overflow:hidden;
      background:#101814;
    }
    .content-card.wide .card-image{min-height:100%}
    .card-image img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .36s ease;
    }
    .content-card:hover .card-image img{transform:scale(1.045)}
    .card-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent, rgba(0,0,0,.26));
    }
    .card-body{padding:22px}
    .card-body h3{
      font-size:20px;
      line-height:1.35;
      margin-bottom:9px;
    }
    .card-body p{
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
      margin-bottom:16px;
    }
    .card-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:var(--muted);
      font-size:12px;
      border-top:1px solid var(--line-soft);
      padding-top:14px;
    }
    .text-link{
      color:var(--gold-2);
      font-weight:800;
      transition:var(--ease);
    }
    .text-link:hover{color:#ffe2a1}

    .notice-band{
      padding:34px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(217,168,79,.10), transparent 46%),
        linear-gradient(180deg, var(--surface), #121b17);
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .notice-band h2{
      font-size:30px;
      line-height:1.25;
      margin-bottom:10px;
    }
    .notice-band p{color:var(--text-soft);max-width:760px}
    .notice-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:24px;
    }
    .notice-card{padding:22px}
    .notice-card strong{
      display:block;
      color:var(--gold-2);
      font-size:26px;
      line-height:1;
      margin-bottom:12px;
    }
    .notice-card h3{font-size:17px;margin-bottom:8px}
    .notice-card p{color:var(--muted);font-size:14px;line-height:1.65}

    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      counter-reset:step;
    }
    .process-step{
      position:relative;
      padding:24px;
      min-height:210px;
      border-radius:var(--radius);
      border:1px solid var(--line-soft);
      background:rgba(255,255,255,.035);
      overflow:hidden;
    }
    .process-step::before{
      counter-increment:step;
      content:"0" counter(step);
      display:inline-flex;
      color:var(--gold-2);
      font-size:13px;
      font-weight:900;
      padding:5px 10px;
      border-radius:999px;
      border:1px solid rgba(217,168,79,.22);
      background:rgba(217,168,79,.08);
      margin-bottom:28px;
    }
    .process-step::after{
      content:"";
      position:absolute;
      right:-28px;
      bottom:-28px;
      width:92px;
      height:92px;
      border:1px solid rgba(217,168,79,.16);
      border-radius:28px;
      transform:rotate(20deg);
    }
    .process-step h3{font-size:18px;margin-bottom:10px}
    .process-step p{color:var(--muted);font-size:14px;line-height:1.7}

    .proof-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:18px;
    }
    .proof-card{
      padding:26px;
      min-height:190px;
    }
    .proof-card.highlight{
      background:
        linear-gradient(135deg, rgba(217,168,79,.14), transparent 52%),
        var(--surface);
      border-color:var(--line);
    }
    .proof-num{
      font-size:42px;
      font-weight:900;
      color:var(--gold-2);
      line-height:1;
      margin-bottom:18px;
      letter-spacing:-.04em;
    }
    .proof-card h3{font-size:19px;margin-bottom:8px}
    .proof-card p{color:var(--muted);font-size:14px;line-height:1.7}

    .faq-wrap{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      border-radius:50%;
      display:grid;place-items:center;
      background:rgba(217,168,79,.10);
      color:var(--gold-2);
      transition:var(--ease);
      flex:0 0 auto;
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
      line-height:1.72;
    }
    .faq-item.active{
      border-color:rgba(217,168,79,.32);
      background:linear-gradient(180deg, rgba(217,168,79,.07), rgba(18,27,23,.96));
    }
    .faq-item.active .faq-answer{max-height:180px}
    .faq-item.active .faq-question span:last-child{transform:rotate(45deg);background:var(--gold);color:#17110a}

    .search-cta{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(10,16,13,.88), rgba(10,16,13,.68)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      padding:42px;
      display:grid;
      grid-template-columns:1fr .82fr;
      gap:28px;
      align-items:center;
      box-shadow:var(--shadow-soft);
    }
    .search-cta h2{
      font-size:34px;
      line-height:1.22;
      margin-bottom:12px;
      letter-spacing:-.025em;
    }
    .search-cta p{color:var(--text-soft);max-width:720px}
    .query-box{
      display:flex;
      gap:10px;
      padding:10px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .query-box input{
      flex:1;
      min-width:0;
      border:0;
      outline:0;
      color:var(--text);
      background:transparent;
      padding:0 12px;
    }
    .query-box input::placeholder{color:rgba(255,248,234,.62)}

    .footer{
      border-top:1px solid var(--line-soft);
      background:#0a0f0d;
      padding:58px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .75fr .75fr;
      gap:34px;
      margin-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer p{color:var(--muted);font-size:14px;max-width:520px}
    .footer h3{
      font-size:15px;
      color:var(--gold-2);
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--text-soft);
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--gold-2);transform:translateX(2px)}
    .copyright{
      padding-top:22px;
      border-top:1px solid var(--line-soft);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--muted);
      font-size:13px;
    }

    @media (max-width:1280px){
      .container{width:min(1080px, calc(100% - 40px))}
      .hero-layout{gap:34px}
      .process{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:1024px){
      :root{--header-h:70px}
      .hero{min-height:auto}
      .hero-layout,
      .asym-grid,
      .content-layout,
      .faq-wrap,
      .search-cta{
        grid-template-columns:1fr;
      }
      .hero-panel{display:none}
      .intro-panel{position:relative;top:auto}
      .proof-grid{grid-template-columns:1fr 1fr}
      .proof-card.highlight{grid-column:span 2}
      .notice-band{grid-template-columns:1fr}
      .content-card.wide{grid-template-columns:1fr}
      .content-card.wide .card-image{min-height:220px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .site-header{height:auto;min-height:68px}
      .nav-wrap{padding:12px 0;align-items:flex-start}
      .brand-text strong{max-width:210px}
      .menu-toggle{display:grid;place-items:center}
      .site-nav{
        position:absolute;
        left:14px;
        right:14px;
        top:66px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:18px;
        padding:10px;
        background:rgba(13,20,17,.98);
        box-shadow:var(--shadow);
      }
      .site-nav.open{display:flex}
      .site-nav a{text-align:center;border-radius:12px}
      .nav-action .btn{display:none}
      .hero-layout{padding:64px 0 38px}
      h1{font-size:40px}
      .hero-lead{font-size:16px}
      .section{padding:66px 0}
      .section-head{display:block}
      .section-head .btn{margin-top:18px}
      .feature-card{min-height:420px}
      .feature-content{padding:24px}
      .feature-content h3{font-size:24px}
      .content-grid{grid-template-columns:1fr}
      .content-card.wide{grid-column:auto}
      .notice-points{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .proof-grid{grid-template-columns:1fr}
      .proof-card.highlight{grid-column:auto}
      .search-cta{padding:28px}
      .query-box{border-radius:18px;flex-direction:column}
      .query-box .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text strong{font-size:15px;max-width:185px}
      h1{font-size:34px}
      .hero-cta .btn{width:100%}
      .quick-strip a,.quick-strip span{width:100%;justify-content:center}
      .section-title h2,
      .intro-panel h2,
      .search-cta h2,
      .notice-band h2{font-size:27px}
      .feature-card{min-height:470px}
      .card-meta{align-items:flex-start;flex-direction:column}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }
    @media (max-width:375px){
      body{font-size:15px}
      .container{width:calc(100% - 22px)}
      h1{font-size:31px}
      .feature-content{padding:20px}
      .mini-card,.notice-card,.proof-card,.process-step,.intro-panel{padding:20px}
    }

/* roulang page: category1 */
:root {
      --bg: #0d1613;
      --bg-2: #12211c;
      --panel: #162721;
      --panel-2: #1b2e27;
      --line: rgba(231, 219, 187, 0.12);
      --line-strong: rgba(231, 219, 187, 0.22);
      --text: #f2efe6;
      --muted: rgba(242, 239, 230, 0.74);
      --soft: rgba(242, 239, 230, 0.54);
      --gold: #c89d4b;
      --gold-2: #e2bf76;
      --gold-soft: rgba(200, 157, 75, 0.16);
      --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
      --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.18);
      --radius: 16px;
      --radius-sm: 12px;
      --radius-lg: 24px;
      --container: 1180px;
      --gap: 24px;
      --transition: 220ms ease;
      --focus: 0 0 0 3px rgba(226, 191, 118, 0.26);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(900px 520px at 12% 10%, rgba(200,157,75,0.14), transparent 60%),
        radial-gradient(740px 420px at 86% 18%, rgba(255,255,255,0.05), transparent 58%),
        linear-gradient(180deg, #0b140f 0%, #0d1613 34%, #0f1a16 100%);
      line-height: 1.75;
      letter-spacing: 0.01em;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(180deg, rgba(0,0,0,0.24), transparent 80%);
      opacity: 0.26;
      z-index: 0;
    }
    a { color: inherit; text-decoration: none; transition: color var(--transition), border-color var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition); }
    img { display: block; max-width: 100%; }
    button, input { font: inherit; }
    button { cursor: pointer; }
    .container {
      width: min(calc(100% - 32px), var(--container));
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(11, 20, 15, 0.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 16px 0;
    }
    .site-brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }
    .brand-mark {
      width: 40px;
      height: 40px;
      border-radius: 13px;
      display: grid;
      place-items: center;
      background: linear-gradient(145deg, #1c2d26, #0f1a16);
      border: 1px solid rgba(226, 191, 118, 0.24);
      color: var(--gold-2);
      font-weight: 800;
      letter-spacing: 0.08em;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
      flex: 0 0 auto;
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      gap: 2px;
      min-width: 0;
    }
    .brand-text strong {
      font-size: 1rem;
      line-height: 1.2;
      letter-spacing: 0.02em;
    }
    .brand-text span {
      font-size: 0.82rem;
      color: var(--muted);
      line-height: 1.2;
    }
    .site-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .site-nav a {
      padding: 10px 16px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid transparent;
      background: transparent;
      font-size: 0.95rem;
      white-space: nowrap;
    }
    .site-nav a:hover,
    .site-nav a:focus-visible {
      color: var(--text);
      border-color: rgba(226, 191, 118, 0.28);
      background: rgba(255,255,255,0.03);
      outline: none;
      box-shadow: var(--focus);
    }
    .site-nav a.active {
      color: #0c1411;
      background: linear-gradient(135deg, var(--gold-2), var(--gold));
      border-color: transparent;
      box-shadow: 0 10px 24px rgba(200, 157, 75, 0.25);
      font-weight: 700;
    }
    .hero {
      position: relative;
      padding: 34px 0 16px;
    }
    .hero-shell {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      background:
        linear-gradient(180deg, rgba(7, 12, 10, 0.22), rgba(7, 12, 10, 0.72)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border: 1px solid rgba(255,255,255,0.07);
      box-shadow: var(--shadow);
    }
    .hero-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(12, 20, 17, 0.92) 0%, rgba(12, 20, 17, 0.58) 52%, rgba(12, 20, 17, 0.86) 100%);
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 28px;
      padding: 42px;
      align-items: end;
      min-height: 560px;
    }
    .crumbs {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: rgba(242,239,230,0.72);
      font-size: 0.94rem;
      margin-bottom: 18px;
      flex-wrap: wrap;
    }
    .crumbs span:last-child { color: var(--gold-2); }
    .hero-copy {
      max-width: 720px;
      padding-top: 20px;
    }
    .hero-copy h1 {
      margin: 0;
      font-size: clamp(2.1rem, 5vw, 4.2rem);
      line-height: 1.1;
      letter-spacing: 0.02em;
    }
    .hero-copy h1 em {
      font-style: normal;
      color: var(--gold-2);
    }
    .hero-copy p {
      margin: 18px 0 0;
      color: rgba(242,239,230,0.82);
      max-width: 52ch;
      font-size: 1.04rem;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 13px 20px;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 700;
      transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
      min-height: 48px;
    }
    .btn:hover, .btn:focus-visible { transform: translateY(-1px); outline: none; }
    .btn-primary {
      color: #101714;
      background: linear-gradient(135deg, var(--gold-2), var(--gold));
      box-shadow: 0 16px 30px rgba(200, 157, 75, 0.24);
    }
    .btn-primary:hover, .btn-primary:focus-visible { box-shadow: 0 18px 34px rgba(200, 157, 75, 0.34); }
    .btn-secondary {
      color: var(--text);
      background: rgba(255,255,255,0.03);
      border-color: rgba(255,255,255,0.11);
    }
    .btn-secondary:hover, .btn-secondary:focus-visible {
      background: rgba(255,255,255,0.06);
      border-color: rgba(226, 191, 118, 0.24);
    }
    .hero-panel {
      display: grid;
      gap: 16px;
      align-self: stretch;
    }
    .info-card {
      background: linear-gradient(180deg, rgba(22,39,33,0.96), rgba(17,28,24,0.96));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 22px;
      padding: 20px;
      box-shadow: var(--shadow-soft);
    }
    .info-card h2,
    .section-title h2,
    .section-title h3 {
      margin: 0;
      line-height: 1.2;
    }
    .info-card h2 { font-size: 1.18rem; }
    .info-card p { margin: 10px 0 0; color: var(--muted); font-size: 0.96rem; }
    .check-form {
      margin-top: 16px;
      display: grid;
      gap: 12px;
    }
    .field {
      display: grid;
      gap: 8px;
    }
    .field label {
      font-size: 0.92rem;
      color: rgba(242,239,230,0.86);
    }
    .field input {
      width: 100%;
      padding: 14px 16px;
      border-radius: 14px;
      border: 1px solid rgba(255,255,255,0.12);
      background: rgba(5, 10, 8, 0.35);
      color: var(--text);
      outline: none;
      transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .field input::placeholder { color: rgba(242,239,230,0.42); }
    .field input:focus {
      border-color: rgba(226,191,118,0.45);
      box-shadow: var(--focus);
      background: rgba(5, 10, 8, 0.5);
    }
    .mini-list {
      display: grid;
      gap: 10px;
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      color: var(--muted);
      font-size: 0.95rem;
    }
    .mini-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .mini-list li::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      margin-top: 0.55em;
      background: var(--gold-2);
      box-shadow: 0 0 0 4px rgba(226,191,118,0.12);
      flex: 0 0 auto;
    }
    .trust-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
      margin: 18px 0 4px;
    }
    .trust-item {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 14px 16px;
      color: var(--muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }
    .trust-item strong {
      color: var(--text);
      font-size: 0.98rem;
    }
    .trust-item span {
      color: var(--gold-2);
      font-size: 0.88rem;
      white-space: nowrap;
    }
    .section {
      padding: 24px 0 0;
    }
    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 18px;
      margin-bottom: 18px;
      flex-wrap: wrap;
    }
    .section-title {
      max-width: 720px;
    }
    .section-title h2 {
      font-size: clamp(1.5rem, 3vw, 2.3rem);
      margin-bottom: 8px;
    }
    .section-title p {
      margin: 0;
      color: var(--muted);
      max-width: 60ch;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      background: var(--gold-soft);
      color: var(--gold-2);
      border: 1px solid rgba(226, 191, 118, 0.2);
      font-size: 0.9rem;
      white-space: nowrap;
    }
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 18px;
    }
    .card {
      position: relative;
      background: linear-gradient(180deg, rgba(24, 38, 32, 0.98), rgba(16, 26, 22, 0.98));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
      height: 100%;
    }
    .card:hover {
      transform: translateY(-3px);
      border-color: rgba(226,191,118,0.22);
      box-shadow: 0 22px 44px rgba(0,0,0,0.24);
    }
    .card-body { padding: 20px; }
    .card h3 {
      margin: 0 0 10px;
      font-size: 1.08rem;
      line-height: 1.35;
    }
    .card p {
      margin: 0;
      color: var(--muted);
      font-size: 0.96rem;
    }
    .card-meta {
      margin-top: 16px;
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }
    .tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,0.1);
      color: rgba(242,239,230,0.84);
      background: rgba(255,255,255,0.03);
      font-size: 0.84rem;
    }
    .tag.gold {
      border-color: rgba(226,191,118,0.2);
      background: rgba(226,191,118,0.1);
      color: var(--gold-2);
    }
    .card-link {
      margin-top: 16px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--gold-2);
      font-weight: 700;
      font-size: 0.94rem;
    }
    .card-link::after { content: "→"; }
    .icon-box {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      background: linear-gradient(145deg, rgba(226,191,118,0.18), rgba(200,157,75,0.06));
      border: 1px solid rgba(226,191,118,0.18);
      display: grid;
      place-items: center;
      color: var(--gold-2);
      font-weight: 800;
      margin-bottom: 16px;
    }
    .banner-card {
      min-height: 100%;
      display: grid;
      grid-template-rows: 220px 1fr;
    }
    .banner-card .media {
      position: relative;
      overflow: hidden;
    }
    .banner-card .media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(0.92) contrast(1.04);
      transform: scale(1.02);
    }
    .banner-card .media::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(9,15,12,0.02), rgba(9,15,12,0.64));
    }
    .bullet-list {
      margin: 14px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 10px;
    }
    .bullet-list li {
      position: relative;
      padding-left: 18px;
      color: var(--muted);
      font-size: 0.95rem;
    }
    .bullet-list li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.8em;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--gold-2);
      transform: translateY(-50%);
    }
    .notice-grid {
      display: grid;
      grid-template-columns: 0.96fr 1.04fr;
      gap: 18px;
      align-items: stretch;
    }
    .notice-panel {
      background: linear-gradient(180deg, rgba(20, 34, 28, 0.98), rgba(14, 24, 20, 0.98));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 22px;
      padding: 22px;
      box-shadow: var(--shadow-soft);
    }
    .notice-panel h3 {
      margin: 0 0 10px;
      font-size: 1.18rem;
    }
    .notice-panel p { margin: 0; color: var(--muted); }
    .notice-points {
      margin-top: 16px;
      display: grid;
      gap: 12px;
    }
    .point {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 14px 15px;
      border-radius: 16px;
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.07);
    }
    .point .num {
      width: 30px;
      height: 30px;
      border-radius: 10px;
      flex: 0 0 auto;
      background: rgba(226,191,118,0.12);
      color: var(--gold-2);
      display: grid;
      place-items: center;
      font-weight: 800;
      margin-top: 1px;
    }
    .point strong {
      display: block;
      margin-bottom: 4px;
      color: var(--text);
    }
    .point span { color: var(--muted); font-size: 0.94rem; }
    .media-frame {
      position: relative;
      min-height: 100%;
      border-radius: 22px;
      overflow: hidden;
      border: 1px solid rgba(255,255,255,0.08);
      background: #101914;
      box-shadow: var(--shadow-soft);
    }
    .media-frame img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 100%;
    }
    .media-caption {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      padding: 14px 16px;
      border-radius: 16px;
      background: linear-gradient(180deg, rgba(10, 16, 13, 0.28), rgba(10, 16, 13, 0.84));
      border: 1px solid rgba(255,255,255,0.08);
    }
    .media-caption strong { display: block; margin-bottom: 4px; }
    .media-caption span { color: rgba(242,239,230,0.8); font-size: 0.93rem; }
    .faq-list {
      display: grid;
      gap: 14px;
    }
    .faq-item {
      background: rgba(255,255,255,0.03);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 18px;
      overflow: hidden;
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-weight: 700;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: "+";
      color: var(--gold-2);
      font-weight: 800;
      font-size: 1.2rem;
    }
    .faq-item[open] summary::after { content: "—"; }
    .faq-item .answer {
      padding: 0 20px 18px;
      color: var(--muted);
    }
    .answer ul {
      margin: 12px 0 0;
      padding-left: 18px;
    }
    .cta {
      padding: 18px 0 52px;
    }
    .cta-box {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr;
      gap: 18px;
      align-items: stretch;
      background: linear-gradient(135deg, rgba(22,39,33,0.98), rgba(13,22,18,0.98));
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 26px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .cta-copy {
      padding: 28px;
    }
    .cta-copy h2 {
      margin: 0 0 12px;
      font-size: clamp(1.5rem, 3vw, 2.2rem);
    }
    .cta-copy p { margin: 0; color: var(--muted); max-width: 56ch; }
    .cta-actions {
      margin-top: 22px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .cta-side {
      padding: 22px;
      background: linear-gradient(180deg, rgba(226,191,118,0.08), rgba(255,255,255,0.02));
      border-left: 1px solid rgba(255,255,255,0.08);
      display: grid;
      align-content: center;
      gap: 14px;
    }
    .cta-side .small-card {
      padding: 16px 18px;
      border-radius: 18px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.08);
    }
    .small-card strong { display: block; margin-bottom: 6px; }
    .small-card span { color: var(--muted); font-size: 0.94rem; }
    .footer {
      margin-top: 24px;
      padding: 34px 0 28px;
      background: #0a120f;
      border-top: 1px solid rgba(255,255,255,0.06);
      position: relative;
      z-index: 1;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.35fr 0.8fr 0.8fr;
      gap: 24px;
      align-items: start;
    }
    .footer-brand {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      margin-bottom: 10px;
    }
    .footer p {
      margin: 0;
      color: var(--muted);
    }
    .footer h3 {
      margin: 0 0 14px;
      font-size: 1.02rem;
    }
    .footer-links {
      display: grid;
      gap: 10px;
    }
    .footer-links a {
      color: var(--muted);
      width: fit-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: var(--gold-2);
      outline: none;
    }
    .copyright {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid rgba(255,255,255,0.08);
      display: flex;
      flex-direction: column;
      gap: 4px;
      color: rgba(242,239,230,0.58);
      font-size: 0.92rem;
    }
    .anchor-gap { scroll-margin-top: 96px; }
    .subtle-rule {
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(226,191,118,0.25), transparent);
      margin: 10px 0 0;
    }
    @media (max-width: 1280px) {
      .hero-inner { padding: 34px; }
      .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .notice-grid, .cta-box { grid-template-columns: 1fr; }
      .cta-side { border-left: 0; border-top: 1px solid rgba(255,255,255,0.08); }
    }
    @media (max-width: 1024px) {
      .hero-inner { grid-template-columns: 1fr; min-height: auto; }
      .hero-panel { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .trust-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .header-inner { flex-direction: column; align-items: flex-start; }
      .site-nav { justify-content: flex-start; width: 100%; }
      .hero { padding-top: 18px; }
      .hero-inner { padding: 22px; gap: 18px; }
      .hero-panel, .grid-3, .grid-2, .footer-grid { grid-template-columns: 1fr; }
      .trust-strip { grid-template-columns: 1fr; }
      .section-head { align-items: flex-start; }
      .cta-copy, .cta-side, .notice-panel { padding: 18px; }
      .banner-card { grid-template-rows: 180px 1fr; }
    }
    @media (max-width: 520px) {
      .container { width: min(calc(100% - 24px), var(--container)); }
      .site-nav a { padding: 9px 12px; font-size: 0.88rem; }
      .hero-copy h1 { font-size: clamp(1.8rem, 9vw, 2.6rem); }
      .btn { width: 100%; }
      .hero-actions, .cta-actions { width: 100%; }
      .hero-actions .btn, .cta-actions .btn { flex: 1 1 100%; }
      .card-body { padding: 16px; }
      .faq-item summary { padding: 16px; }
      .faq-item .answer { padding: 0 16px 16px; }
      .copyright { font-size: 0.86rem; }
    }