/* roulang page: index */
:root{
      --bg-deep:#101014;
      --bg-night:#17171d;
      --bg-panel:#202027;
      --bg-soft:#f4efe7;
      --bg-paper:#fffaf1;
      --text-main:#f7f2e8;
      --text-dark:#202027;
      --text-muted:#9f9aa7;
      --text-soft:#6e6875;
      --line-dark:rgba(255,255,255,.12);
      --line-light:rgba(36,33,42,.12);
      --gold:#d6aa62;
      --gold-2:#f0c982;
      --violet:#8d72ff;
      --violet-soft:#efeaff;
      --danger:#c46c58;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-soft:0 18px 55px rgba(0,0,0,.18);
      --shadow-card:0 12px 34px rgba(31,25,18,.10);
      --container:1180px;
      --ease:180ms 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;
      color:var(--text-dark);
      background:#f2eee6;
      line-height:1.75;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(214,170,98,.36);color:#111}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .section{padding:82px 0}
    .section-title{
      font-size:clamp(28px,4vw,46px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:#17151a;
      margin-bottom:14px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#5f5265;
      font-size:14px;
      font-weight:700;
      letter-spacing:.08em;
      margin-bottom:16px;
    }
    .section-kicker::before{
      content:"";
      width:28px;
      height:1px;
      background:linear-gradient(90deg,var(--gold),var(--violet));
    }
    .section-desc{
      color:var(--text-soft);
      max-width:760px;
      font-size:17px;
      margin-bottom:34px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(16,16,20,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line-dark);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text-main);
      font-weight:850;
      letter-spacing:-.03em;
      font-size:20px;
    }
    .brand-mark{
      position:relative;
      width:38px;
      height:38px;
      border-radius:14px;
      background:radial-gradient(circle at 68% 32%,#ffe2a7 0 12%,transparent 13%),linear-gradient(135deg,#2b2932,#111116);
      border:1px solid rgba(214,170,98,.34);
      box-shadow:0 10px 28px rgba(0,0,0,.28), inset 0 0 22px rgba(214,170,98,.12);
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:10px;
      bottom:10px;
      width:16px;
      height:7px;
      border-radius:999px;
      border:1px solid rgba(141,114,255,.75);
      transform:rotate(-18deg);
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      color:#d7d1c8;
      padding:10px 14px;
      border-radius:999px;
      font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-link:hover,.nav-link:focus{
      color:#fff;
      background:rgba(255,255,255,.08);
      outline:none;
    }
    .nav-link:active{transform:translateY(1px)}
    .nav-link.active{
      color:#111116;
      background:var(--gold-2);
      font-weight:750;
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid var(--line-dark);
      transition:background var(--ease),border var(--ease),transform var(--ease);
    }
    .menu-toggle:hover,.menu-toggle:focus{background:rgba(255,255,255,.13);outline:2px solid rgba(214,170,98,.4);outline-offset:2px}
    .menu-toggle:active{transform:scale(.98)}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      font-weight:760;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),opacity var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      color:#17120b;
      box-shadow:0 14px 28px rgba(214,170,98,.24);
    }
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 18px 40px rgba(214,170,98,.32);outline:none}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px rgba(214,170,98,.22)}
    .btn-secondary{
      color:#efe9de;
      border:1px solid rgba(255,255,255,.20);
      background:rgba(255,255,255,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{border-color:rgba(214,170,98,.55);background:rgba(214,170,98,.10);outline:none;transform:translateY(-2px)}
    .btn-light{
      color:#221b15;
      background:#fff8ed;
      border:1px solid rgba(36,33,42,.10);
      box-shadow:var(--shadow-card);
    }
    .btn-light:hover,.btn-light:focus{transform:translateY(-2px);border-color:rgba(214,170,98,.55);outline:3px solid rgba(214,170,98,.22)}
    .btn:disabled,.btn.disabled{opacity:.48;cursor:not-allowed;transform:none;box-shadow:none}

    .hero{
      position:relative;
      min-height:720px;
      color:var(--text-main);
      background:
        linear-gradient(90deg,rgba(16,16,20,.96) 0%,rgba(16,16,20,.78) 46%,rgba(16,16,20,.42) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        radial-gradient(circle at 22% 26%,rgba(214,170,98,.22),transparent 26%),
        radial-gradient(circle at 72% 18%,rgba(141,114,255,.18),transparent 27%),
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px);
      background-size:auto,auto,54px 54px,54px 54px;
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(330px,.82fr);
      gap:52px;
      align-items:center;
      padding:92px 0 86px;
    }
    .hero-copy{max-width:760px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border-radius:999px;
      color:#ead7b5;
      background:rgba(214,170,98,.10);
      border:1px solid rgba(214,170,98,.26);
      font-size:14px;
      font-weight:700;
      margin-bottom:24px;
    }
    .eyebrow i{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--gold-2);
      box-shadow:0 0 0 6px rgba(214,170,98,.15);
    }
    h1{
      font-size:clamp(42px,7vw,78px);
      line-height:1.04;
      letter-spacing:-.07em;
      margin-bottom:24px;
      max-width:820px;
    }
    .hero-subtitle{
      color:#d7d1c8;
      font-size:clamp(17px,2vw,21px);
      max-width:690px;
      line-height:1.85;
      margin-bottom:30px;
    }
    .hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
    .pill-row{display:flex;flex-wrap:wrap;gap:10px}
    .pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      color:#dfd7cc;
      background:rgba(255,255,255,.07);
      border:1px solid rgba(255,255,255,.13);
      font-size:14px;
    }
    .pill::before{
      content:"";
      width:6px;
      height:6px;
      border-radius:50%;
      background:var(--violet);
    }
    .hero-board{
      position:relative;
      border-radius:var(--radius-lg);
      padding:18px;
      background:rgba(255,250,241,.10);
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(10px);
    }
    .hero-board-img{
      position:relative;
      overflow:hidden;
      border-radius:20px;
      min-height:320px;
      background:#222;
    }
    .hero-board-img img{
      width:100%;
      height:360px;
      object-fit:cover;
      filter:saturate(.85) contrast(1.05);
      transition:transform 420ms ease;
    }
    .hero-board:hover .hero-board-img img{transform:scale(1.035)}
    .hero-board-img::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(16,16,20,.82),rgba(16,16,20,.10) 55%);
    }
    .floating-note{
      position:absolute;
      left:34px;
      right:34px;
      bottom:34px;
      z-index:2;
      padding:18px;
      border-radius:18px;
      background:rgba(16,16,20,.74);
      border:1px solid rgba(255,255,255,.16);
      backdrop-filter:blur(10px);
    }
    .floating-note strong{display:block;color:#fff;font-size:18px;margin-bottom:6px}
    .floating-note span{display:block;color:#cfc7bd;font-size:14px;line-height:1.7}

    .quick-strip{
      position:relative;
      margin-top:-42px;
      z-index:3;
    }
    .quick-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:16px;
      padding:18px;
      border-radius:22px;
      background:#fffaf1;
      border:1px solid rgba(36,33,42,.10);
      box-shadow:0 16px 46px rgba(24,20,16,.16);
    }
    .quick-item{
      padding:20px;
      border-radius:18px;
      background:linear-gradient(180deg,#fffdf7,#f2eadc);
      border:1px solid rgba(36,33,42,.08);
    }
    .quick-item b{display:block;font-size:24px;letter-spacing:-.03em;color:#1c1920;margin-bottom:6px}
    .quick-item span{color:#746c78;font-size:14px}

    .feature-area{background:#f2eee6}
    .feature-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
      align-items:stretch;
    }
    .feature-main,.feature-card{
      border-radius:var(--radius-lg);
      border:1px solid var(--line-light);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .feature-main{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      background:#fffaf1;
      min-height:390px;
    }
    .feature-image{position:relative;min-height:280px;background:#18181e;overflow:hidden}
    .feature-image img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
    .feature-main:hover .feature-image img{transform:scale(1.04)}
    .feature-image::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,16,20,.64),rgba(16,16,20,.06))}
    .feature-content{padding:34px;display:flex;flex-direction:column;justify-content:center}
    .tag{
      display:inline-flex;
      width:max-content;
      align-items:center;
      padding:6px 10px;
      border-radius:999px;
      font-size:13px;
      font-weight:760;
      color:#5d4424;
      background:rgba(214,170,98,.20);
      border:1px solid rgba(214,170,98,.30);
    }
    .tag.violet{color:#4c3ab0;background:rgba(141,114,255,.14);border-color:rgba(141,114,255,.24)}
    .tag.dark{color:#efe8dd;background:rgba(16,16,20,.72);border-color:rgba(255,255,255,.12)}
    .feature-content h2,.feature-card h3{line-height:1.25;letter-spacing:-.04em;color:#19161d}
    .feature-content h2{font-size:34px;margin:18px 0 14px}
    .feature-content p,.feature-card p{color:#6f6874}
    .feature-side{display:grid;grid-template-rows:1fr 1fr;gap:18px}
    .feature-card{
      padding:28px;
      background:#fffaf1;
      transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(214,170,98,.38);
      box-shadow:0 18px 40px rgba(31,25,18,.14);
    }
    .feature-card h3{font-size:24px;margin:18px 0 10px}
    .icon-dot{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#1c1610;
      background:linear-gradient(135deg,var(--gold-2),#c89a4f);
      font-weight:900;
    }

    .guide-section{
      background:#17171d;
      color:var(--text-main);
      position:relative;
      overflow:hidden;
    }
    .guide-section::before{
      content:"";
      position:absolute;
      inset:auto -10% -42% auto;
      width:560px;
      height:560px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(141,114,255,.22),transparent 64%);
    }
    .guide-section .section-title{color:#fff}
    .guide-section .section-desc{color:#c5bdc8}
    .guide-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .guide-card{
      padding:26px;
      min-height:220px;
      border-radius:22px;
      background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.12);
      transition:transform var(--ease),background var(--ease),border-color var(--ease);
    }
    .guide-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.09);border-color:rgba(214,170,98,.36)}
    .guide-num{
      color:var(--gold-2);
      font-size:13px;
      font-weight:850;
      letter-spacing:.08em;
      margin-bottom:18px;
    }
    .guide-card h3{font-size:22px;line-height:1.25;margin-bottom:12px;letter-spacing:-.03em}
    .guide-card p{color:#c9c1ba;font-size:15px}

    .updates-section{background:#fffaf1}
    .updates-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:24px;
      margin-bottom:26px;
    }
    .updates-head .section-desc{margin-bottom:0}
    .update-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .update-card{
      display:grid;
      grid-template-columns:168px 1fr;
      gap:18px;
      padding:14px;
      min-height:188px;
      border-radius:22px;
      background:#fffdf8;
      border:1px solid rgba(36,33,42,.10);
      box-shadow:0 12px 30px rgba(31,25,18,.08);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .update-card:hover,.update-card:focus-within{
      transform:translateY(-3px);
      border-color:rgba(141,114,255,.25);
      box-shadow:0 18px 42px rgba(31,25,18,.13);
    }
    .update-cover{
      position:relative;
      overflow:hidden;
      border-radius:16px;
      min-height:160px;
      background:linear-gradient(135deg,#25232c,#55456e);
    }
    .update-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms ease}
    .update-card:hover .update-cover img{transform:scale(1.04)}
    .update-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(16,16,20,.58),rgba(16,16,20,.08));
    }
    .update-body{display:flex;flex-direction:column;justify-content:space-between;min-width:0;padding:4px 2px}
    .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
    .time{
      color:#766f7c;
      font-size:13px;
      font-weight:650;
    }
    .update-title{
      color:#1b1820;
      font-size:20px;
      line-height:1.35;
      letter-spacing:-.03em;
      margin-bottom:8px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .update-summary{
      color:#6e6875;
      font-size:15px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:16px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#5d4424;
      font-weight:780;
      width:max-content;
      border-bottom:1px solid rgba(214,170,98,.34);
      transition:color var(--ease),gap var(--ease),border-color var(--ease);
    }
    .read-link:hover,.read-link:focus{color:#281b08;gap:10px;border-color:rgba(214,170,98,.85);outline:none}
    .empty-state{
      grid-column:1 / -1;
      padding:32px;
      text-align:center;
      color:#746c78;
      border-radius:22px;
      background:#f5efe4;
      border:1px dashed rgba(36,33,42,.18);
    }

    .read-area{background:#f2eee6}
    .read-layout{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:22px;
      align-items:center;
    }
    .read-panel{
      padding:34px;
      border-radius:var(--radius-lg);
      background:#1a1a20;
      color:#f8f0e3;
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
    }
    .read-panel h2{font-size:36px;line-height:1.22;letter-spacing:-.04em;margin:16px 0 12px}
    .read-panel p{color:#d0c7bc}
    .check-list{
      list-style:none;
      display:grid;
      gap:12px;
      margin-top:24px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#e8ded0;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 24px;
      height:24px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#20170b;
      background:var(--gold-2);
      font-weight:900;
      line-height:1;
      margin-top:3px;
    }
    .read-image{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:420px;
      box-shadow:var(--shadow-card);
      border:1px solid var(--line-light);
    }
    .read-image img{width:100%;height:100%;object-fit:cover;min-height:420px}
    .read-caption{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      padding:16px 18px;
      border-radius:18px;
      color:#fff8ec;
      background:rgba(16,16,20,.72);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
    }

    .proof-section{background:#fffaf1}
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .proof-card{
      padding:28px;
      border-radius:22px;
      border:1px solid rgba(36,33,42,.10);
      background:linear-gradient(180deg,#fffdf8,#f7f0e4);
      box-shadow:0 12px 30px rgba(31,25,18,.07);
    }
    .proof-card strong{
      display:block;
      font-size:38px;
      line-height:1;
      letter-spacing:-.04em;
      color:#18161d;
      margin-bottom:12px;
    }
    .proof-card span{color:#6e6875}

    .faq-section{background:#f2eee6}
    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:18px;
      background:#fffaf1;
      border:1px solid rgba(36,33,42,.10);
      box-shadow:0 10px 24px rgba(31,25,18,.06);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:64px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      padding:18px 20px;
      color:#1c1920;
      background:transparent;
      text-align:left;
      font-weight:800;
      transition:background var(--ease),color var(--ease);
    }
    .faq-question:hover,.faq-question:focus{background:#f7eedf;outline:none;color:#4a3214}
    .faq-question:active{background:#efe2cc}
    .faq-icon{
      flex:0 0 26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:#211f26;
      color:#fff3dd;
      transition:transform var(--ease),background var(--ease);
    }
    .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--gold)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height 240ms ease;
    }
    .faq-answer p{
      padding:0 20px 20px;
      color:#6e6875;
      line-height:1.85;
    }

    .notice-section{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(18,18,23,.92),rgba(18,18,23,.80)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      color:#fff8ec;
    }
    .notice-card{
      display:grid;
      grid-template-columns:1fr 380px;
      gap:28px;
      align-items:center;
      padding:42px;
      border-radius:28px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(8px);
    }
    .notice-card h2{
      font-size:clamp(30px,4vw,48px);
      line-height:1.16;
      letter-spacing:-.05em;
      margin-bottom:14px;
    }
    .notice-card p{color:#d8d0c7;max-width:760px}
    .notice-form{
      display:grid;
      gap:12px;
      padding:16px;
      border-radius:20px;
      background:rgba(16,16,20,.58);
      border:1px solid rgba(255,255,255,.12);
    }
    .input{
      width:100%;
      min-height:48px;
      padding:12px 14px;
      color:#fff;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.18);
      border-radius:14px;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    .input::placeholder{color:#bdb5ad}
    .input:hover{border-color:rgba(214,170,98,.34)}
    .input:focus{
      outline:none;
      border-color:rgba(214,170,98,.78);
      box-shadow:0 0 0 4px rgba(214,170,98,.16);
      background:rgba(255,255,255,.11);
    }
    .form-note{font-size:13px;color:#c8beb5}

    .site-footer{
      background:#101014;
      color:#d7d1c8;
      border-top:1px solid var(--line-dark);
      padding:54px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .75fr;
      gap:30px;
      align-items:start;
      margin-bottom:34px;
    }
    .footer-brand{display:inline-flex;align-items:center;gap:12px;color:#fff;font-weight:850;font-size:20px;margin-bottom:14px}
    .footer-desc{color:#aaa3ad;max-width:520px}
    .footer-title{color:#fff;font-size:15px;font-weight:800;margin-bottom:12px}
    .footer-links{list-style:none;display:grid;gap:9px}
    .footer-links a{
      color:#aaa3ad;
      transition:color var(--ease),padding-left var(--ease);
    }
    .footer-links a:hover,.footer-links a:focus{color:var(--gold-2);padding-left:4px;outline:none}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      border-top:1px solid var(--line-dark);
      color:#8f8894;
      font-size:14px;
    }

    @media (max-width:1024px){
      .hero-inner{grid-template-columns:1fr;gap:34px;padding-top:72px}
      .hero-board{max-width:680px}
      .quick-grid{grid-template-columns:1fr 1fr}
      .quick-item:first-child{grid-column:1 / -1}
      .feature-grid,.read-layout,.faq-wrap,.notice-card{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:repeat(2,1fr)}
      .update-list{grid-template-columns:1fr}
      .proof-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:64px 0}
      .nav-wrap{height:68px}
      .menu-toggle{display:grid;place-items:center}
      .nav-menu{
        position:fixed;
        top:68px;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        background:rgba(20,20,25,.98);
        border:1px solid var(--line-dark);
        border-radius:20px;
        box-shadow:0 22px 60px rgba(0,0,0,.36);
      }
      .nav-menu.open{display:flex}
      .nav-link{border-radius:14px;padding:13px 14px}
      .nav-actions .btn{display:none}
      .hero{min-height:auto}
      .hero-inner{padding:54px 0 74px}
      h1{letter-spacing:-.055em}
      .hero-buttons{display:grid;grid-template-columns:1fr 1fr}
      .hero-buttons .btn{width:100%}
      .hero-board-img img,.hero-board-img{height:auto;min-height:270px}
      .floating-note{left:20px;right:20px;bottom:20px}
      .feature-main{grid-template-columns:1fr}
      .feature-content{padding:28px}
      .guide-grid{grid-template-columns:1fr}
      .update-card{grid-template-columns:138px 1fr}
      .proof-grid{grid-template-columns:1fr}
      .notice-card{padding:28px}
      .footer-grid{grid-template-columns:1fr}
    }

    @media (max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:34px;height:34px;border-radius:12px}
      .section-title{font-size:30px}
      .hero-subtitle,.section-desc{font-size:16px}
      .hero-buttons{grid-template-columns:1fr}
      .pill-row{gap:8px}
      .pill{font-size:13px}
      .quick-strip{margin-top:-26px}
      .quick-grid{grid-template-columns:1fr;padding:12px}
      .quick-item{padding:18px}
      .feature-content h2,.read-panel h2{font-size:28px}
      .update-card{grid-template-columns:1fr}
      .update-cover{min-height:190px}
      .updates-head{display:block}
      .updates-head .btn{margin-top:18px;width:100%}
      .read-panel{padding:26px}
      .read-image,.read-image img{min-height:310px}
      .notice-form .btn{width:100%}
      .footer-bottom{display:grid}
    }

/* roulang page: article */
:root{
      --bg-deep:#101014;
      --bg-night:#17171d;
      --bg-panel:#202027;
      --bg-soft:#f4efe7;
      --bg-paper:#fffaf1;
      --text-main:#f7f2e8;
      --text-dark:#202027;
      --text-muted:#9f9aa7;
      --text-soft:#6e6875;
      --line-dark:rgba(255,255,255,.12);
      --line-light:rgba(36,33,42,.12);
      --gold:#d6aa62;
      --gold-2:#f0c982;
      --violet:#8d72ff;
      --violet-soft:#efeaff;
      --danger:#c46c58;
      --radius-sm:10px;
      --radius-md:16px;
      --radius-lg:24px;
      --shadow-soft:0 18px 55px rgba(0,0,0,.18);
      --shadow-card:0 12px 34px rgba(31,25,18,.10);
      --container:1180px;
      --ease:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text-dark);
      background:#f2eee6;
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea,select{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(214,170,98,.35);color:#161318}
    .container{width:min(100% - 40px,var(--container));margin-inline:auto}
    .section{padding:76px 0}
    .section-title{
      font-size:clamp(28px,4vw,44px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:#17151a;
      margin:0 0 14px;
      font-weight:850;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#5f5265;
      font-size:14px;
      font-weight:800;
      letter-spacing:.08em;
      margin-bottom:16px;
    }
    .section-kicker::before{
      content:"";
      width:28px;
      height:1px;
      background:linear-gradient(90deg,var(--gold),var(--violet));
    }
    .section-desc{
      color:var(--text-soft);
      max-width:760px;
      font-size:17px;
      margin:0 0 34px;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(16,16,20,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid var(--line-dark);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      color:var(--text-main);
      font-weight:850;
      letter-spacing:-.03em;
      font-size:20px;
    }
    .brand:hover,.brand:focus{color:#fff;outline:none}
    .brand:focus-visible{outline:3px solid rgba(214,170,98,.36);outline-offset:5px;border-radius:16px}
    .brand-mark{
      position:relative;
      width:38px;
      height:38px;
      border-radius:14px;
      background:radial-gradient(circle at 68% 32%,#ffe2a7 0 12%,transparent 13%),linear-gradient(135deg,#2b2932,#111116);
      border:1px solid rgba(214,170,98,.34);
      box-shadow:0 10px 28px rgba(0,0,0,.28), inset 0 0 22px rgba(214,170,98,.12);
      flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:10px;
      bottom:10px;
      width:16px;
      height:7px;
      border-radius:999px;
      border:1px solid rgba(141,114,255,.75);
      transform:rotate(-18deg);
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      color:#d7d1c8;
      padding:10px 14px;
      border-radius:999px;
      font-size:15px;
      transition:background var(--ease),color var(--ease),transform var(--ease);
    }
    .nav-link:hover,.nav-link:focus{
      color:#fff;
      background:rgba(255,255,255,.08);
      outline:none;
    }
    .nav-link:focus-visible{outline:3px solid rgba(214,170,98,.36);outline-offset:2px}
    .nav-link:active{transform:translateY(1px)}
    .nav-link.active{
      color:#111116;
      background:var(--gold-2);
      font-weight:750;
    }
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:14px;
      background:rgba(255,255,255,.08);
      color:#fff;
      border:1px solid var(--line-dark);
      transition:background var(--ease),border var(--ease),transform var(--ease);
    }
    .menu-toggle:hover,.menu-toggle:focus{background:rgba(255,255,255,.13);outline:2px solid rgba(214,170,98,.4);outline-offset:2px}
    .menu-toggle:active{transform:scale(.98)}
    .menu-lines{
      width:18px;
      height:12px;
      display:inline-grid;
      gap:4px;
      margin:auto;
    }
    .menu-lines span{display:block;height:2px;background:#fff;border-radius:999px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      font-weight:760;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),opacity var(--ease);
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      color:#17120b;
      box-shadow:0 14px 28px rgba(214,170,98,.24);
    }
    .btn-primary:hover,.btn-primary:focus{transform:translateY(-2px);box-shadow:0 18px 40px rgba(214,170,98,.32);outline:none;color:#17120b}
    .btn-primary:focus-visible{outline:3px solid rgba(214,170,98,.34);outline-offset:3px}
    .btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px rgba(214,170,98,.22)}
    .btn-secondary{
      color:#efe9de;
      border:1px solid rgba(255,255,255,.20);
      background:rgba(255,255,255,.06);
    }
    .btn-secondary:hover,.btn-secondary:focus{border-color:rgba(214,170,98,.55);background:rgba(214,170,98,.10);outline:none;transform:translateY(-2px);color:#fff}
    .btn-light{
      color:#221b15;
      background:#fff8ed;
      border:1px solid rgba(36,33,42,.10);
      box-shadow:var(--shadow-card);
    }
    .btn-light:hover,.btn-light:focus{transform:translateY(-2px);border-color:rgba(214,170,98,.55);outline:3px solid rgba(214,170,98,.22);color:#221b15}
    .btn-ghost{
      color:#27212a;
      border:1px solid var(--line-light);
      background:rgba(255,250,241,.72);
    }
    .btn-ghost:hover,.btn-ghost:focus{background:#fffaf1;border-color:rgba(141,114,255,.35);transform:translateY(-2px);outline:none}
    .btn:disabled,.btn.disabled{opacity:.48;cursor:not-allowed;transform:none;box-shadow:none}
    .article-hero{
      position:relative;
      color:var(--text-main);
      background:
        linear-gradient(90deg,rgba(16,16,20,.96) 0%,rgba(16,16,20,.82) 48%,rgba(16,16,20,.52) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      overflow:hidden;
      padding:74px 0 70px;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        radial-gradient(circle at 18% 22%,rgba(214,170,98,.20),transparent 28%),
        radial-gradient(circle at 82% 18%,rgba(141,114,255,.18),transparent 26%),
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px);
      background-size:auto,auto,56px 56px,56px 56px;
      pointer-events:none;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:0;
      height:90px;
      background:linear-gradient(180deg,transparent,#f2eee6);
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) 360px;
      gap:46px;
      align-items:end;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin:0 0 24px;
      color:#d9d2c8;
      font-size:14px;
    }
    .breadcrumb a{
      color:#f5dfb5;
      border-bottom:1px solid rgba(240,201,130,.35);
      transition:color var(--ease),border-color var(--ease);
    }
    .breadcrumb a:hover,.breadcrumb a:focus{color:#fff;border-color:#fff;outline:none}
    .breadcrumb span{opacity:.82}
    .article-title{
      margin:0;
      font-size:clamp(34px,5.4vw,64px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:900;
      max-width:900px;
    }
    .article-summary{
      margin:22px 0 0;
      max-width:860px;
      color:#e7ded2;
      font-size:18px;
      line-height:1.9;
    }
    .article-meta-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:7px;
      min-height:30px;
      padding:6px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.08);
      color:#efe8dc;
      font-size:13px;
      font-weight:700;
      line-height:1;
    }
    .badge.gold{
      color:#21170d;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      border-color:transparent;
    }
    .badge.violet{
      color:#f1edff;
      background:rgba(141,114,255,.18);
      border-color:rgba(141,114,255,.34);
    }
    .hero-note{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.07);
      box-shadow:var(--shadow-soft);
      border-radius:var(--radius-lg);
      padding:18px;
      backdrop-filter:blur(14px);
    }
    .hero-cover{
      position:relative;
      border-radius:20px;
      overflow:hidden;
      min-height:210px;
      border:1px solid rgba(255,255,255,.14);
      background:#18161d;
    }
    .hero-cover img{
      width:100%;
      height:230px;
      object-fit:cover;
      opacity:.84;
      transform:scale(1.01);
    }
    .hero-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,20,.08),rgba(16,16,20,.76));
    }
    .cover-label{
      position:absolute;
      left:16px;
      right:16px;
      bottom:15px;
      z-index:2;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#fff4df;
      font-size:14px;
      font-weight:800;
    }
    .hero-note-text{
      color:#ded4c6;
      margin:14px 0 0;
      font-size:14px;
      line-height:1.75;
    }
    .content-shell{
      position:relative;
      padding:56px 0 72px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,780px) 320px;
      gap:34px;
      align-items:start;
    }
    .reader-card{
      background:var(--bg-paper);
      border:1px solid var(--line-light);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .reader-toolbar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 24px;
      border-bottom:1px solid var(--line-light);
      background:linear-gradient(180deg,#fffaf1,#fbf2e4);
      color:#5f5765;
      font-size:14px;
    }
    .reader-toolbar strong{color:#25212a}
    .reader-actions{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
    }
    .mini-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:34px;
      padding:7px 12px;
      border-radius:999px;
      color:#443b47;
      background:#fff6e8;
      border:1px solid rgba(36,33,42,.10);
      font-size:13px;
      font-weight:750;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .mini-link:hover,.mini-link:focus{transform:translateY(-1px);border-color:rgba(214,170,98,.55);background:#fff;outline:none;color:#211b24}
    .article-body{
      padding:36px clamp(22px,4vw,52px) 48px;
      color:#28232d;
      font-size:18px;
      line-height:2;
      word-break:break-word;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body > *:last-child{margin-bottom:0}
    .article-body p{margin:0 0 1.35em}
    .article-body h2{
      margin:2.1em 0 .8em;
      font-size:clamp(25px,3vw,34px);
      line-height:1.25;
      letter-spacing:-.035em;
      color:#18151c;
      font-weight:880;
    }
    .article-body h3{
      margin:1.8em 0 .7em;
      font-size:clamp(21px,2.4vw,27px);
      line-height:1.35;
      color:#201b24;
      font-weight:840;
    }
    .article-body h4{
      margin:1.6em 0 .5em;
      font-size:20px;
      color:#241f28;
      font-weight:820;
    }
    .article-body a{
      color:#5d45c9;
      border-bottom:1px solid rgba(93,69,201,.28);
      transition:color var(--ease),border-color var(--ease),background var(--ease);
    }
    .article-body a:hover,.article-body a:focus{
      color:#3d2a91;
      border-color:#3d2a91;
      background:rgba(141,114,255,.08);
      outline:none;
    }
    .article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.35em}
    .article-body li{margin:.35em 0}
    .article-body blockquote{
      margin:1.7em 0;
      padding:20px 22px;
      border-left:4px solid var(--gold);
      background:#fff5e4;
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      color:#4b414f;
      box-shadow:inset 0 0 0 1px rgba(214,170,98,.15);
    }
    .article-body hr{
      border:0;
      border-top:1px solid var(--line-light);
      margin:2.1em 0;
    }
    .article-body img{
      width:auto;
      max-width:100%;
      border-radius:18px;
      box-shadow:0 14px 36px rgba(31,25,18,.14);
      margin:1.8em auto;
    }
    .article-body figure{margin:1.8em 0}
    .article-body figcaption{
      color:#746d77;
      font-size:14px;
      text-align:center;
      margin-top:10px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.7em 0;
      overflow:hidden;
      border:1px solid var(--line-light);
      border-radius:16px;
      background:#fffaf1;
      font-size:15px;
    }
    .article-body th,.article-body td{
      padding:12px 14px;
      border-bottom:1px solid var(--line-light);
      vertical-align:top;
    }
    .article-body tr:last-child th,.article-body tr:last-child td{border-bottom:0}
    .article-body th{background:#f6ead8;color:#211b22;font-weight:800}
    .article-body pre{
      overflow:auto;
      padding:18px;
      border-radius:16px;
      background:#181820;
      color:#f3eadb;
      border:1px solid rgba(255,255,255,.12);
      line-height:1.75;
      font-size:14px;
    }
    .article-body code{
      padding:.12em .35em;
      border-radius:7px;
      background:#f0e5d6;
      color:#4c2f12;
      font-size:.92em;
    }
    .article-body pre code{padding:0;background:transparent;color:inherit}
    .empty-state{
      text-align:center;
      padding:42px 18px 30px;
    }
    .empty-icon{
      width:70px;
      height:70px;
      margin:0 auto 18px;
      border-radius:22px;
      background:linear-gradient(135deg,#24222c,#121116);
      border:1px solid rgba(214,170,98,.28);
      box-shadow:inset 0 0 24px rgba(214,170,98,.10),0 14px 28px rgba(31,25,18,.10);
      position:relative;
    }
    .empty-icon::after{
      content:"";
      position:absolute;
      inset:22px 18px;
      border-radius:999px;
      border:2px solid rgba(240,201,130,.8);
      transform:rotate(-18deg);
    }
    .empty-state h2{
      margin:0 0 12px;
      font-size:28px;
      color:#19161c;
      letter-spacing:-.035em;
      font-weight:880;
    }
    .empty-state p{
      margin:0 auto 22px;
      max-width:520px;
      color:#6e6875;
      font-size:16px;
      line-height:1.9;
    }
    .sidebar{
      position:sticky;
      top:96px;
      display:grid;
      gap:18px;
    }
    .side-card{
      background:#fffaf1;
      border:1px solid var(--line-light);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      overflow:hidden;
    }
    .side-card.dark{
      color:var(--text-main);
      background:linear-gradient(145deg,#202027,#141418);
      border-color:rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
    }
    .side-card-body{padding:22px}
    .side-title{
      margin:0 0 14px;
      color:#211c25;
      font-size:18px;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .side-card.dark .side-title{color:#fff4df}
    .meta-list{
      display:grid;
      gap:11px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .meta-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding-bottom:11px;
      border-bottom:1px solid rgba(36,33,42,.10);
      color:#6e6875;
      font-size:14px;
    }
    .meta-list li:last-child{padding-bottom:0;border-bottom:0}
    .meta-list strong{color:#29242d;font-weight:820;min-width:64px}
    .meta-list span{text-align:right}
    .side-card.dark .meta-list li{border-color:rgba(255,255,255,.10);color:#cfc5d0}
    .side-card.dark .meta-list strong{color:#f8e5bd}
    .keyword-cloud{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:6px 10px;
      border-radius:999px;
      background:#f5ead9;
      border:1px solid rgba(36,33,42,.08);
      color:#5a505e;
      font-size:13px;
      font-weight:750;
      transition:transform var(--ease),background var(--ease),border-color var(--ease);
    }
    .tag:hover,.tag:focus{transform:translateY(-1px);background:#fff;border-color:rgba(214,170,98,.45);outline:none}
    .side-cover{
      position:relative;
      overflow:hidden;
      height:168px;
      background:#18161c;
    }
    .side-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 420ms ease,opacity var(--ease);
      opacity:.86;
    }
    .side-card:hover .side-cover img{transform:scale(1.045)}
    .side-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,20,.05),rgba(16,16,20,.62));
    }
    .side-cover-text{
      position:absolute;
      left:18px;
      right:18px;
      bottom:15px;
      z-index:1;
      color:#fff7e8;
      font-weight:850;
      line-height:1.35;
    }
    .quick-links{
      display:grid;
      gap:10px;
    }
    .quick-link{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:14px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      color:#eee7dd;
      font-size:14px;
      font-weight:760;
      transition:background var(--ease),border-color var(--ease),transform var(--ease);
    }
    .quick-link:hover,.quick-link:focus{
      background:rgba(214,170,98,.12);
      border-color:rgba(214,170,98,.45);
      transform:translateY(-1px);
      outline:none;
      color:#fff;
    }
    .guide-section{
      background:#fffaf1;
      border-top:1px solid var(--line-light);
      border-bottom:1px solid var(--line-light);
    }
    .guide-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:26px;
      align-items:stretch;
    }
    .guide-panel{
      padding:28px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg,#fffaf1,#f6ecdc);
      border:1px solid var(--line-light);
      box-shadow:var(--shadow-card);
    }
    .guide-panel.dark{
      color:#f7f2e8;
      background:
        linear-gradient(135deg,rgba(16,16,20,.92),rgba(32,32,39,.82)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.12);
      overflow:hidden;
    }
    .guide-panel h2,.guide-panel h3{
      margin:0 0 12px;
      font-weight:880;
      letter-spacing:-.035em;
      line-height:1.22;
    }
    .guide-panel h2{font-size:clamp(27px,3.5vw,40px)}
    .guide-panel h3{font-size:24px;color:#211b24}
    .guide-panel.dark h3{color:#fff4df}
    .guide-panel p{
      margin:0;
      color:#6e6875;
      font-size:16px;
      line-height:1.9;
    }
    .guide-panel.dark p{color:#e0d7cd}
    .guide-steps{
      display:grid;
      gap:14px;
      margin-top:22px;
    }
    .guide-step{
      display:grid;
      grid-template-columns:38px 1fr;
      gap:13px;
      align-items:start;
      padding:15px;
      border-radius:16px;
      background:rgba(255,255,255,.65);
      border:1px solid rgba(36,33,42,.08);
    }
    .step-num{
      width:38px;
      height:38px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#20170d;
      background:linear-gradient(135deg,var(--gold-2),var(--gold));
      font-weight:900;
      box-shadow:0 10px 20px rgba(214,170,98,.18);
    }
    .guide-step strong{
      display:block;
      color:#211b24;
      margin-bottom:2px;
      font-weight:830;
    }
    .guide-step span{
      color:#6e6875;
      font-size:14px;
      line-height:1.7;
    }
    .updates-section{
      background:#f2eee6;
    }
    .updates-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .updates-head .section-desc{margin-bottom:0}
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
    }
    .related-card{
      display:flex;
      flex-direction:column;
      min-height:100%;
      background:#fffaf1;
      border:1px solid var(--line-light);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-card);
      overflow:hidden;
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
    }
    .related-card:hover,.related-card:focus-within{
      transform:translateY(-4px);
      box-shadow:0 18px 46px rgba(31,25,18,.15);
      border-color:rgba(214,170,98,.45);
    }
    .related-img{
      position:relative;
      height:154px;
      overflow:hidden;
      background:#1b1920;
    }
    .related-img img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.88;
      transition:transform 420ms ease;
    }
    .related-card:hover .related-img img{transform:scale(1.055)}
    .related-img::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(16,16,20,0),rgba(16,16,20,.46));
    }
    .related-body{
      padding:20px;
      display:flex;
      flex-direction:column;
      gap:12px;
      flex:1;
    }
    .related-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#746b76;
      font-size:13px;
    }
    .related-title{
      margin:0;
      font-size:20px;
      line-height:1.35;
      letter-spacing:-.03em;
      color:#201b24;
      font-weight:850;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .related-title a{transition:color var(--ease)}
    .related-title a:hover,.related-title a:focus{color:#6d51da;outline:none}
    .related-desc{
      margin:0;
      color:#6e6875;
      font-size:15px;
      line-height:1.8;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .related-more{
      margin-top:auto;
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#453221;
      font-weight:830;
      font-size:14px;
      transition:gap var(--ease),color var(--ease);
    }
    .related-more:hover,.related-more:focus{gap:10px;color:#6d51da;outline:none}
    .faq-section{
      background:#15151b;
      color:var(--text-main);
      position:relative;
      overflow:hidden;
    }
    .faq-section::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 16% 20%,rgba(214,170,98,.14),transparent 28%),
        radial-gradient(circle at 86% 68%,rgba(141,114,255,.16),transparent 30%);
      pointer-events:none;
    }
    .faq-section .container{position:relative;z-index:1}
    .faq-section .section-title{color:#fff7ea}
    .faq-section .section-desc{color:#c9c1c8}
    .faq-list{
      display:grid;
      gap:14px;
      max-width:900px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      color:#fff7ea;
      background:transparent;
      text-align:left;
      font-weight:820;
      transition:background var(--ease),color var(--ease);
    }
    .faq-question:hover,.faq-question:focus{background:rgba(255,255,255,.07);outline:none}
    .faq-question:focus-visible{outline:3px solid rgba(214,170,98,.34);outline-offset:-3px}
    .faq-question .plus{
      width:26px;
      height:26px;
      border-radius:50%;
      display:grid;
      place-items:center;
      flex:0 0 auto;
      color:#1c160e;
      background:var(--gold-2);
      transition:transform var(--ease);
    }
    .faq-item.is-open .plus{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:#d6ced5;
      font-size:15px;
      line-height:1.9;
    }
    .faq-item.is-open .faq-answer{display:block}
    .cta-band{
      background:#f2eee6;
      padding:76px 0;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      padding:38px;
      color:#fff7ea;
      background:
        linear-gradient(120deg,rgba(16,16,20,.95),rgba(32,32,39,.78)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.12);
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:1fr auto;
      gap:26px;
      align-items:center;
    }
    .cta-card::before{
      content:"";
      position:absolute;
      inset:auto -120px -180px auto;
      width:360px;
      height:360px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(214,170,98,.25),transparent 68%);
      pointer-events:none;
    }
    .cta-content{position:relative;z-index:1}
    .cta-card h2{
      margin:0 0 10px;
      font-size:clamp(27px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.045em;
      font-weight:900;
    }
    .cta-card p{
      margin:0;
      max-width:720px;
      color:#ddd4cb;
      font-size:16px;
      line-height:1.9;
    }
    .cta-actions{
      position:relative;
      z-index:1;
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .site-footer{
      background:#101014;
      color:#d8d1c8;
      border-top:1px solid var(--line-dark);
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .8fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      color:#fff5e7;
      font-weight:850;
      font-size:20px;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .footer-brand:hover,.footer-brand:focus{color:#fff;outline:none}
    .footer-desc{
      margin:0;
      color:#aaa1aa;
      max-width:420px;
      font-size:14px;
      line-height:1.9;
    }
    .footer-title{
      color:#fff2df;
      font-size:15px;
      font-weight:850;
      margin-bottom:12px;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:8px;
    }
    .footer-links a{
      color:#aaa1aa;
      font-size:14px;
      transition:color var(--ease),padding-left var(--ease);
    }
    .footer-links a:hover,.footer-links a:focus{
      color:#f0c982;
      padding-left:4px;
      outline:none;
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid var(--line-dark);
      color:#847d86;
      font-size:13px;
    }
    @media (max-width:1024px){
      .article-hero-inner{grid-template-columns:1fr;gap:30px}
      .hero-note{max-width:560px}
      .article-layout{grid-template-columns:1fr}
      .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .side-card.dark{grid-column:1 / -1}
      .guide-grid{grid-template-columns:1fr}
      .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .cta-card{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{height:68px}
      .brand{font-size:18px}
      .brand-mark{width:36px;height:36px}
      .menu-toggle{display:grid}
      .nav-actions .btn{display:none}
      .nav-menu{
        position:fixed;
        left:14px;
        right:14px;
        top:78px;
        display:none;
        margin:0;
        padding:12px;
        border-radius:20px;
        background:rgba(16,16,20,.96);
        border:1px solid var(--line-dark);
        box-shadow:0 18px 55px rgba(0,0,0,.34);
        backdrop-filter:blur(18px);
        flex-direction:column;
        align-items:stretch;
        gap:6px;
      }
      body.menu-open .nav-menu{display:flex}
      .nav-link{display:flex;justify-content:center;padding:13px 14px}
      .article-hero{padding:52px 0 58px}
      .article-summary{font-size:16px}
      .article-meta-row{gap:8px}
      .reader-toolbar{align-items:flex-start;flex-direction:column;padding:16px 18px}
      .article-body{font-size:16px;line-height:1.95;padding:28px 20px 36px}
      .sidebar{grid-template-columns:1fr}
      .guide-panel{padding:22px}
      .updates-head{display:block}
      .related-grid{grid-template-columns:1fr}
      .section{padding:58px 0}
      .cta-band{padding:58px 0}
      .cta-card{padding:26px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      .article-title{font-size:34px}
      .breadcrumb{font-size:13px}
      .badge{font-size:12px}
      .hero-cover img{height:190px}
      .reader-card,.side-card,.guide-panel,.related-card{border-radius:20px}
      .article-body table{display:block;overflow-x:auto}
      .btn{width:100%;min-height:48px}
      .reader-actions,.cta-actions{width:100%}
      .mini-link{width:100%}
      .guide-step{grid-template-columns:1fr}
      .step-num{width:34px;height:34px;border-radius:12px}
      .footer-bottom{display:grid;gap:8px}
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}