/* roulang page: index */
:root{
      --bg:#10100f;
      --bg-2:#181715;
      --panel:#22201d;
      --panel-soft:#2c2924;
      --paper:#f7f0e5;
      --paper-2:#fffaf1;
      --text:#f8efe0;
      --text-dark:#24201b;
      --muted:#c8bca8;
      --muted-dark:#6f6659;
      --line:rgba(255,236,204,.14);
      --line-dark:rgba(45,37,28,.12);
      --brand:#f3b24f;
      --brand-2:#ffcf79;
      --brand-deep:#9e6120;
      --red-brown:#7c352d;
      --green-gray:#9aa893;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --shadow-soft:0 16px 48px rgba(28,20,11,.14);
      --radius-lg:28px;
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(243,178,79,.14), transparent 36%),
        radial-gradient(circle at 88% 12%, rgba(124,53,45,.20), transparent 34%),
        linear-gradient(180deg,#0d0d0c 0%,#141311 46%,#0f0e0d 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:none;cursor:pointer}
    ::selection{background:rgba(243,178,79,.35);color:#fff}
    :focus-visible{outline:3px solid rgba(243,178,79,.55);outline-offset:3px}

    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:92px 0}
    .section.compact{padding:70px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--brand-2);font-size:14px;font-weight:700;letter-spacing:.04em;
      padding:7px 12px;border:1px solid rgba(243,178,79,.26);
      border-radius:999px;background:rgba(243,178,79,.08)
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 18px rgba(243,178,79,.8)}
    .section-title{margin-top:16px;font-size:34px;line-height:1.25;letter-spacing:-.03em}
    .section-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:760px}
    .light-section{background:var(--paper);color:var(--text-dark)}
    .light-section .section-desc{color:var(--muted-dark)}
    .light-section .eyebrow{color:#8b561d;background:rgba(243,178,79,.17);border-color:rgba(158,97,32,.18)}
    .light-section .eyebrow::before{background:#bd7628}

    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(15,15,14,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,236,204,.10);
      transition:var(--ease)
    }
    .site-header.scrolled{box-shadow:0 18px 44px rgba(0,0,0,.28);background:rgba(15,15,14,.94)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.03em;
      white-space:nowrap
    }
    .brand-mark{
      width:44px;height:44px;border-radius:15px;
      background:linear-gradient(135deg,var(--brand),#7c352d);
      display:grid;place-items:center;box-shadow:0 14px 32px rgba(243,178,79,.22);
      position:relative;overflow:hidden
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;top:8px;bottom:8px;width:4px;
      background:repeating-linear-gradient(to bottom,rgba(20,18,15,.72) 0 4px,transparent 4px 8px)
    }
    .brand-mark::before{left:7px}.brand-mark::after{right:7px}
    .brand-mark span{position:relative;font-size:15px;color:#17130e;font-weight:950;z-index:1}
    .brand-text{font-size:20px}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      position:relative;padding:10px 13px;border-radius:999px;
      color:#eaddc8;font-size:14px;font-weight:700;transition:var(--ease)
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(243,178,79,.10)}
    .nav-links a::after{
      content:"";position:absolute;left:18px;right:18px;bottom:7px;height:2px;border-radius:99px;
      background:var(--brand);transform:scaleX(0);transition:var(--ease);transform-origin:center
    }
    .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.06);
      border:1px solid var(--line);color:#fff;align-items:center;justify-content:center;transition:var(--ease)
    }
    .menu-toggle:hover{background:rgba(243,178,79,.14)}
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;width:20px;height:2px;background:#fff;border-radius:9px;transition:var(--ease);content:""
    }
    .menu-toggle span::before{transform:translateY(-7px)}
    .menu-toggle span::after{transform:translateY(5px)}
    .menu-open .menu-toggle span{background:transparent}
    .menu-open .menu-toggle span::before{transform:rotate(45deg)}
    .menu-open .menu-toggle span::after{transform:rotate(-45deg) translateY(-1px)}

    .hero{
      position:relative;min-height:720px;display:flex;align-items:center;overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(13,13,12,.96) 0%,rgba(13,13,12,.82) 44%,rgba(13,13,12,.34) 100%),
        url('/assets/images/backpic/back-1.webp');
      background-size:cover;background-position:center;
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(105deg,transparent 0 48%,rgba(243,178,79,.12) 49%,transparent 66%),
        radial-gradient(circle at 80% 24%,rgba(255,207,121,.22),transparent 28%);
      pointer-events:none
    }
    .hero::after{
      content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
      background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
      background-size:46px 46px
    }
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center;padding:88px 0}
    .hero-copy{max-width:690px}
    .hero-kicker{
      display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
      padding:8px 14px;border-radius:999px;color:#ffe0a4;background:rgba(255,255,255,.07);
      border:1px solid rgba(255,236,204,.14);font-weight:800;font-size:14px
    }
    .hero-kicker b{color:#17130e;background:var(--brand);padding:2px 8px;border-radius:999px}
    h1{
      font-size:48px;line-height:1.16;letter-spacing:-.045em;
      max-width:780px;text-wrap:balance
    }
    .hero-sub{
      margin-top:22px;font-size:18px;line-height:1.9;color:#e4d5bd;max-width:670px
    }
    .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:34px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:13px 20px;border-radius:999px;
      font-weight:900;border:1px solid transparent;transition:var(--ease);
      position:relative;overflow:hidden
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#1d1710;box-shadow:0 14px 34px rgba(243,178,79,.26)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(243,178,79,.34)}
    .btn-secondary{border-color:rgba(255,236,204,.25);background:rgba(255,255,255,.06);color:#fff}
    .btn-secondary:hover{transform:translateY(-3px);border-color:rgba(243,178,79,.55);background:rgba(243,178,79,.12)}
    .btn:active{transform:translateY(0) scale(.98)}
    .hero-note{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .trust-pill{
      display:inline-flex;align-items:center;gap:8px;color:#eadcc6;background:rgba(18,17,16,.48);
      border:1px solid rgba(255,236,204,.14);border-radius:999px;padding:8px 12px;font-size:13px
    }
    .trust-pill i{width:9px;height:9px;border-radius:50%;background:var(--green-gray);font-style:normal}

    .screen-board{
      border-radius:var(--radius-lg);background:rgba(31,29,26,.74);
      border:1px solid rgba(255,236,204,.16);box-shadow:var(--shadow);
      padding:18px;backdrop-filter:blur(12px)
    }
    .screen-top{
      height:230px;border-radius:22px;overflow:hidden;position:relative;
      background:url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat
    }
    .screen-top::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(0,0,0,.78) 100%)}
    .screen-caption{position:absolute;left:22px;right:22px;bottom:18px;z-index:1}
    .screen-caption strong{display:block;font-size:24px;line-height:1.25}
    .screen-caption span{display:block;margin-top:6px;color:#e6d7c0;font-size:14px}
    .board-list{display:grid;gap:12px;margin-top:16px}
    .board-row{
      display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
      padding:14px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08)
    }
    .row-icon{width:36px;height:36px;border-radius:13px;background:rgba(243,178,79,.15);display:grid;place-items:center;color:var(--brand)}
    .board-row b{display:block;font-size:15px}
    .board-row small{display:block;color:var(--muted);font-size:12px;margin-top:1px}
    .row-tag{font-size:12px;color:#1d1710;background:var(--brand);padding:5px 9px;border-radius:999px;font-weight:900}

    .info-strip{margin-top:-44px;position:relative;z-index:3}
    .strip-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
      padding:16px;border-radius:24px;background:rgba(31,29,26,.88);
      border:1px solid rgba(255,236,204,.14);box-shadow:var(--shadow);backdrop-filter:blur(16px)
    }
    .strip-item{padding:18px;border-radius:18px;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.06)}
    .strip-item strong{display:block;color:#fff;font-size:18px}
    .strip-item span{display:block;margin-top:5px;color:var(--muted);font-size:13px}

    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
    .step-card{
      position:relative;padding:26px 22px;border-radius:var(--radius);background:var(--panel);
      border:1px solid var(--line);transition:var(--ease);overflow:hidden
    }
    .step-card::before{
      content:attr(data-step);position:absolute;right:18px;top:12px;
      color:rgba(255,236,204,.08);font-size:52px;font-weight:950;line-height:1
    }
    .step-card:hover{transform:translateY(-4px);border-color:rgba(243,178,79,.42);box-shadow:0 20px 42px rgba(0,0,0,.22)}
    .step-icon{width:48px;height:48px;border-radius:16px;background:rgba(243,178,79,.13);display:grid;place-items:center;color:var(--brand);font-size:22px;margin-bottom:18px}
    .step-card h3{font-size:20px;margin-bottom:9px}
    .step-card p{color:var(--muted);font-size:15px}

    .feature-wrap{display:grid;grid-template-columns:.88fr 1.12fr;gap:34px;align-items:stretch;margin-top:36px}
    .feature-visual{
      position:relative;min-height:520px;border-radius:var(--radius-lg);overflow:hidden;
      background:url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow-soft)
    }
    .feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,18,14,.12),rgba(21,18,14,.82))}
    .visual-card{
      position:absolute;left:24px;right:24px;bottom:24px;z-index:1;
      padding:22px;border-radius:22px;background:rgba(255,250,241,.92);color:var(--text-dark);
      border:1px solid rgba(255,255,255,.55);box-shadow:0 20px 46px rgba(0,0,0,.22)
    }
    .visual-card b{font-size:22px}
    .visual-card p{margin-top:8px;color:#62584b}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-card{
      padding:24px;border-radius:var(--radius);background:var(--paper-2);
      border:1px solid var(--line-dark);box-shadow:var(--shadow-soft);transition:var(--ease)
    }
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(158,97,32,.25)}
    .badge{
      display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;
      font-size:12px;font-weight:900;color:#8b561d;background:rgba(243,178,79,.18)
    }
    .badge::before{content:"";width:6px;height:6px;border-radius:50%;background:#bd7628}
    .feature-card h3{font-size:21px;line-height:1.35;margin:16px 0 9px}
    .feature-card p{color:var(--muted-dark);font-size:15px}
    .text-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;color:#9e6120;font-weight:900}
    .text-link:hover{color:#62370f;text-decoration:underline;text-underline-offset:4px}

    .latest-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
    .latest-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:start}
    .post-list{display:grid;gap:14px}
    .post-card{
      display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;
      padding:22px;border-radius:22px;background:rgba(255,255,255,.055);
      border:1px solid var(--line);transition:var(--ease)
    }
    .post-card:hover{transform:translateY(-3px);border-color:rgba(243,178,79,.46);background:rgba(255,255,255,.075)}
    .post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:9px;color:var(--muted);font-size:13px}
    .cat-tag{display:inline-flex;padding:4px 9px;border-radius:999px;background:rgba(243,178,79,.14);color:var(--brand-2);font-weight:800}
    .post-card h3{font-size:20px;line-height:1.38;transition:var(--ease)}
    .post-card:hover h3{color:var(--brand-2)}
    .post-card p{margin-top:8px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .post-arrow{
      width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
      background:rgba(243,178,79,.12);color:var(--brand);transition:var(--ease)
    }
    .post-card:hover .post-arrow{background:var(--brand);color:#1d1710}
    .side-card{
      position:sticky;top:96px;border-radius:var(--radius-lg);padding:26px;
      background:linear-gradient(160deg,rgba(243,178,79,.20),rgba(255,255,255,.06));
      border:1px solid rgba(243,178,79,.22);box-shadow:var(--shadow)
    }
    .side-card img{border-radius:20px;height:210px;width:100%;object-fit:cover;margin-bottom:20px}
    .side-card h3{font-size:24px;line-height:1.35}
    .side-card p{color:var(--muted);margin-top:10px}
    .empty-state{
      padding:34px;border-radius:24px;background:rgba(255,255,255,.055);border:1px dashed rgba(243,178,79,.35);
      text-align:center;color:var(--muted)
    }
    .empty-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:20px;background:rgba(243,178,79,.12);display:grid;place-items:center;color:var(--brand);font-size:26px}

    .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
    .proof-card{
      padding:26px;border-radius:var(--radius);background:#fffaf1;
      border:1px solid var(--line-dark);box-shadow:var(--shadow-soft)
    }
    .proof-card strong{font-size:34px;line-height:1;color:#9e6120}
    .proof-card span{display:block;margin-top:8px;font-weight:900}
    .proof-card p{margin-top:8px;color:var(--muted-dark);font-size:15px}

    .reading-band{
      border-radius:var(--radius-lg);overflow:hidden;display:grid;grid-template-columns:1fr 1fr;
      background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)
    }
    .reading-img{min-height:360px;background:url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat}
    .reading-content{padding:42px}
    .reading-content h2{font-size:32px;line-height:1.25}
    .reading-content p{margin-top:14px;color:var(--muted)}
    .check-list{display:grid;gap:12px;margin:24px 0 0}
    .check-list li{list-style:none;display:flex;gap:10px;color:#e9ddc9}
    .check-list li::before{content:"✓";flex:0 0 24px;width:24px;height:24px;border-radius:50%;background:rgba(243,178,79,.18);color:var(--brand);display:grid;place-items:center;font-weight:900}

    .faq-wrap{margin-top:34px;display:grid;gap:14px}
    .faq-item{
      border-radius:20px;background:rgba(255,255,255,.055);border:1px solid var(--line);overflow:hidden;
      transition:var(--ease)
    }
    .faq-item:hover{border-color:rgba(243,178,79,.34)}
    .faq-question{
      width:100%;padding:20px 22px;background:transparent;color:#fff;
      display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;font-weight:900;font-size:17px
    }
    .faq-question i{width:28px;height:28px;border-radius:50%;background:rgba(243,178,79,.13);display:grid;place-items:center;color:var(--brand);font-style:normal;transition:var(--ease)}
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .28s ease}
    .faq-answer p{padding:0 22px 20px;color:var(--muted)}
    .faq-item.open{border-color:rgba(243,178,79,.44)}
    .faq-item.open .faq-question i{transform:rotate(45deg);background:var(--brand);color:#1d1710}

    .cta-box{
      position:relative;overflow:hidden;border-radius:32px;padding:46px;
      background:
        linear-gradient(120deg,rgba(22,19,16,.92),rgba(59,37,20,.82)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border:1px solid rgba(255,236,204,.18);box-shadow:var(--shadow)
    }
    .cta-box::before,.cta-box::after{
      content:"";position:absolute;left:0;right:0;height:16px;
      background:repeating-linear-gradient(90deg,rgba(255,236,204,.22) 0 10px,transparent 10px 20px)
    }
    .cta-box::before{top:0}.cta-box::after{bottom:0}
    .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .cta-inner h2{font-size:32px;line-height:1.25}
    .cta-inner p{color:#eadcc6;margin-top:10px;max-width:680px}

    .site-footer{
      padding:54px 0 28px;background:#0b0b0a;border-top:1px solid rgba(255,236,204,.10)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px;margin-bottom:34px}
    .footer-about p{margin-top:14px;color:var(--muted);max-width:520px}
    .footer-col h3{font-size:16px;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-links span{color:var(--muted);font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--brand-2);transform:translateX(3px)}
    .copyright{
      display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
      padding-top:24px;border-top:1px solid rgba(255,236,204,.10);color:#9f927f;font-size:13px
    }

    @media (max-width:1024px){
      .hero-inner,.feature-wrap,.latest-grid{grid-template-columns:1fr}
      .hero{min-height:auto}
      .screen-board{max-width:720px}
      .strip-grid,.guide-grid{grid-template-columns:repeat(2,1fr)}
      .side-card{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:70px 0}.section.compact{padding:56px 0}
      .nav-wrap{height:68px}
      .menu-toggle{display:flex}
      .nav-links{
        position:fixed;left:14px;right:14px;top:78px;display:grid;gap:8px;
        padding:16px;border-radius:22px;background:rgba(20,19,17,.97);
        border:1px solid rgba(255,236,204,.14);box-shadow:var(--shadow);
        transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;transition:var(--ease)
      }
      .menu-open .nav-links{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
      .nav-links a{padding:13px 14px}
      .hero-inner{padding:64px 0;gap:30px}
      h1{font-size:34px}
      .hero-sub{font-size:16px}
      .section-title{font-size:28px}
      .feature-grid,.proof-grid,.reading-band,.footer-grid{grid-template-columns:1fr}
      .reading-img{min-height:260px}
      .latest-head{align-items:flex-start;flex-direction:column}
      .post-card{grid-template-columns:1fr}
      .post-arrow{width:100%;height:42px}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .cta-box{padding:38px 24px}
    }
    @media (max-width:520px){
      .brand-text{font-size:17px}
      .brand-mark{width:40px;height:40px}
      .strip-grid,.guide-grid{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
      .screen-top{height:190px}
      .board-row{grid-template-columns:auto 1fr}
      .row-tag{grid-column:2}
      .feature-visual{min-height:420px}
      .visual-card{left:14px;right:14px;bottom:14px;padding:18px}
      .proof-card strong{font-size:30px}
      .reading-content{padding:28px 22px}
      .reading-content h2,.cta-inner h2{font-size:26px}
      .copyright{display:grid}
    }

/* roulang page: article */
:root{
      --bg:#10100f;
      --bg-2:#181715;
      --panel:#22201d;
      --panel-soft:#2c2924;
      --paper:#f7f0e5;
      --paper-2:#fffaf1;
      --text:#f8efe0;
      --text-dark:#24201b;
      --muted:#c8bca8;
      --muted-dark:#6f6659;
      --line:rgba(255,236,204,.14);
      --line-dark:rgba(45,37,28,.12);
      --brand:#f3b24f;
      --brand-2:#ffcf79;
      --brand-deep:#9e6120;
      --red-brown:#7c352d;
      --green-gray:#9aa893;
      --shadow:0 24px 70px rgba(0,0,0,.34);
      --shadow-soft:0 16px 48px rgba(28,20,11,.14);
      --radius-lg:28px;
      --radius:20px;
      --radius-sm:14px;
      --container:1180px;
      --ease:all .24s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 8% 0%, rgba(243,178,79,.14), transparent 34%),
        radial-gradient(circle at 88% 10%, rgba(124,53,45,.20), transparent 32%),
        linear-gradient(180deg,#0d0d0c 0%,#141311 50%,#0f0e0d 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    body.menu-open{overflow:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:none;cursor:pointer}
    ::selection{background:rgba(243,178,79,.35);color:#fff}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section.compact{padding:66px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--brand-2);font-size:14px;font-weight:800;letter-spacing:.04em;
      padding:7px 12px;border:1px solid rgba(243,178,79,.26);
      border-radius:999px;background:rgba(243,178,79,.08)
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 18px rgba(243,178,79,.8)}
    .section-title{margin:16px 0 0;font-size:34px;line-height:1.25;letter-spacing:-.03em}
    .section-desc{margin:14px 0 0;color:var(--muted);font-size:16px;max-width:760px}
    .light-section{background:var(--paper);color:var(--text-dark)}
    .light-section .section-desc{color:var(--muted-dark)}
    .light-section .eyebrow{color:#8b561d;background:rgba(243,178,79,.17);border-color:rgba(158,97,32,.18)}
    .light-section .eyebrow::before{background:#bd7628}

    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(15,15,14,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,236,204,.10);
      transition:var(--ease)
    }
    .site-header.scrolled{box-shadow:0 18px 44px rgba(0,0,0,.28);background:rgba(15,15,14,.94)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.03em;
      white-space:nowrap
    }
    .brand-mark{
      width:44px;height:44px;border-radius:15px;
      background:linear-gradient(135deg,var(--brand),#7c352d);
      display:grid;place-items:center;box-shadow:0 14px 32px rgba(243,178,79,.22);
      position:relative;overflow:hidden;flex:none
    }
    .brand-mark::before,.brand-mark::after{
      content:"";position:absolute;top:8px;bottom:8px;width:4px;
      background:repeating-linear-gradient(to bottom,rgba(20,18,15,.72) 0 4px,transparent 4px 8px)
    }
    .brand-mark::before{left:7px}
    .brand-mark::after{right:7px}
    .brand-mark span{position:relative;font-size:15px;color:#17130e;font-weight:950;z-index:1}
    .brand-text{font-size:20px}
    .nav-links{display:flex;align-items:center;gap:6px}
    .nav-links a{
      position:relative;padding:10px 13px;border-radius:999px;
      color:#eaddc8;font-size:14px;font-weight:700;transition:var(--ease)
    }
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(243,178,79,.10)}
    .nav-links a::after{
      content:"";position:absolute;left:18px;right:18px;bottom:7px;height:2px;border-radius:99px;
      background:var(--brand);transform:scaleX(0);transition:var(--ease);transform-origin:center
    }
    .nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:14px;background:rgba(255,255,255,.06);
      border:1px solid var(--line);color:#fff;align-items:center;justify-content:center;transition:var(--ease)
    }
    .menu-toggle:hover{background:rgba(243,178,79,.14)}
    .menu-toggle:focus-visible,.btn:focus-visible,.article-content a:focus-visible,.footer-links a:focus-visible{
      outline:3px solid rgba(243,178,79,.42);outline-offset:3px
    }
    .menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
      display:block;width:20px;height:2px;background:#fff;border-radius:9px;transition:var(--ease);content:""
    }
    .menu-toggle span::before{transform:translateY(-7px)}
    .menu-toggle span::after{transform:translateY(5px)}
    .menu-open .menu-toggle span{background:transparent}
    .menu-open .menu-toggle span::before{transform:rotate(45deg)}
    .menu-open .menu-toggle span::after{transform:rotate(-45deg) translateY(-1px)}

    .article-banner{
      position:relative;
      overflow:hidden;
      padding:70px 0 52px;
      background-image:
        linear-gradient(180deg,rgba(13,13,12,.76),rgba(13,13,12,.94)),
        url('/assets/images/backpic/back-2.webp');
      background-size:cover;
      background-position:center;
      border-bottom:1px solid rgba(255,236,204,.10);
    }
    .article-banner::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(105deg,transparent 0 42%,rgba(243,178,79,.10) 43%,transparent 66%),
        radial-gradient(circle at 82% 20%,rgba(255,207,121,.20),transparent 28%);
      pointer-events:none
    }
    .article-banner::after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:90px;
      background:linear-gradient(180deg,transparent,rgba(13,13,12,.78));
      pointer-events:none
    }
    .banner-inner{position:relative;z-index:1}
    .breadcrumb{
      display:flex;align-items:center;gap:9px;flex-wrap:wrap;
      margin:0 0 24px;padding:0;color:var(--muted);font-size:14px
    }
    .breadcrumb a{transition:var(--ease)}
    .breadcrumb a:hover{color:var(--brand-2)}
    .breadcrumb .sep{opacity:.48}
    .article-head{
      max-width:920px;
      padding:34px;
      border:1px solid rgba(255,236,204,.14);
      background:linear-gradient(135deg,rgba(34,32,29,.92),rgba(24,23,21,.82));
      box-shadow:var(--shadow);
      border-radius:var(--radius-lg);
      backdrop-filter:blur(10px);
    }
    .article-meta{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px
    }
    .badge-soft{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      font-size:13px;font-weight:800;color:#ffe0a4;
      border:1px solid rgba(243,178,79,.25);
      background:rgba(243,178,79,.09)
    }
    .badge-muted{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      font-size:13px;font-weight:700;color:#e6d7bf;
      border:1px solid rgba(255,236,204,.12);
      background:rgba(255,255,255,.055)
    }
    .article-head h1{
      margin:0;
      font-size:clamp(30px,4.4vw,48px);
      line-height:1.16;
      letter-spacing:-.045em;
      color:#fff4df;
      word-break:break-word;
    }
    .article-summary{
      margin:18px 0 0;
      color:#ddcfb8;
      font-size:17px;
      max-width:820px
    }
    .head-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 18px;border-radius:999px;
      font-weight:850;font-size:14px;transition:var(--ease);
      border:1px solid transparent;line-height:1.2
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#21170c;box-shadow:0 16px 34px rgba(243,178,79,.23)
    }
    .btn-primary:hover{transform:translateY(-2px);color:#1b130a;box-shadow:0 22px 46px rgba(243,178,79,.31)}
    .btn-outline{
      color:#fff3df;border-color:rgba(255,236,204,.22);background:rgba(255,255,255,.06)
    }
    .btn-outline:hover{transform:translateY(-2px);background:rgba(243,178,79,.12);border-color:rgba(243,178,79,.36);color:#fff}
    .btn:active{transform:translateY(0) scale(.98)}

    .article-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      align-items:start;
    }
    .reader-card{
      background:var(--paper-2);
      color:var(--text-dark);
      border:1px solid rgba(45,37,28,.10);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .reader-cover{
      position:relative;
      min-height:230px;
      background:#2a261f;
      overflow:hidden;
    }
    .reader-cover img{
      width:100%;height:270px;object-fit:cover;
      filter:saturate(.92) contrast(1.03)
    }
    .reader-cover::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(20,17,13,.08),rgba(20,17,13,.68));
    }
    .cover-caption{
      position:absolute;left:24px;right:24px;bottom:22px;z-index:1;
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;color:#fff2dc
    }
    .cover-caption span{
      display:inline-flex;align-items:center;
      padding:7px 11px;border-radius:999px;
      background:rgba(16,16,15,.62);
      border:1px solid rgba(255,236,204,.18);
      font-size:13px;font-weight:800
    }
    .article-content{
      max-width:850px;
      padding:38px 42px 46px;
      font-size:17px;
      line-height:1.88;
      color:#332b22;
    }
    .article-content h2{
      margin:38px 0 14px;
      padding-left:16px;
      border-left:5px solid var(--brand);
      font-size:28px;
      line-height:1.32;
      color:#211b15;
      letter-spacing:-.025em
    }
    .article-content h3{
      margin:28px 0 12px;
      font-size:22px;
      color:#2c241c
    }
    .article-content p{margin:0 0 20px}
    .article-content a{
      color:#9a5c18;
      font-weight:800;
      text-decoration:underline;
      text-decoration-thickness:1px;
      text-underline-offset:4px;
      transition:var(--ease)
    }
    .article-content a:hover{color:#6f3d0d;background:rgba(243,178,79,.14)}
    .article-content ul,.article-content ol{margin:0 0 22px;padding-left:1.4em}
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:28px 0;
      padding:22px 24px;
      border-left:5px solid var(--brand);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      background:#f1e4d1;
      color:#493e33
    }
    .article-content img{
      margin:28px auto;
      border-radius:18px;
      box-shadow:0 16px 40px rgba(30,22,14,.14)
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:26px 0;
      display:block;
      overflow-x:auto;
      white-space:nowrap;
      border:1px solid rgba(45,37,28,.12);
      border-radius:14px
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid rgba(45,37,28,.10)
    }
    .article-content th{background:#efe0c9;color:#241d16}
    .not-found{
      padding:50px 42px;
      text-align:center;
      color:var(--text-dark)
    }
    .not-found-icon{
      width:70px;height:70px;margin:0 auto 18px;border-radius:24px;
      display:grid;place-items:center;
      background:rgba(243,178,79,.16);
      color:#945d20;
      font-size:30px
    }
    .not-found h2{margin:0 0 10px;font-size:28px}
    .not-found p{margin:0 auto 22px;max-width:520px;color:var(--muted-dark)}

    .side-stack{display:grid;gap:18px;position:sticky;top:96px}
    .side-card{
      border:1px solid rgba(255,236,204,.13);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(34,32,29,.94),rgba(27,25,22,.92));
      box-shadow:0 18px 42px rgba(0,0,0,.18);
      padding:22px;
    }
    .side-card.light{
      background:var(--paper-2);
      color:var(--text-dark);
      border-color:rgba(45,37,28,.10);
      box-shadow:var(--shadow-soft)
    }
    .side-card h2,.side-card h3{margin:0 0 12px;font-size:20px;line-height:1.35}
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .side-card.light p{color:var(--muted-dark)}
    .mini-list{display:grid;gap:12px;margin-top:16px}
    .mini-item{
      padding:14px;border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,236,204,.10);
      transition:var(--ease)
    }
    .mini-item:hover{transform:translateY(-2px);border-color:rgba(243,178,79,.30);background:rgba(243,178,79,.08)}
    .mini-item strong{display:block;font-size:15px;color:#fff3df;margin-bottom:4px}
    .mini-item span{display:block;font-size:13px;color:var(--muted)}
    .side-card.light .mini-item{background:#f4eadb;border-color:rgba(45,37,28,.10)}
    .side-card.light .mini-item strong{color:#2a2118}
    .side-card.light .mini-item span{color:var(--muted-dark)}
    .poster-thumb{
      position:relative;
      border-radius:18px;
      overflow:hidden;
      margin-bottom:16px;
      background:#2a261f
    }
    .poster-thumb img{width:100%;height:180px;object-fit:cover}
    .poster-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,.45))}

    .guide-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:20px;
      margin-top:34px
    }
    .guide-card{
      padding:24px;
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(34,32,29,.92),rgba(27,25,22,.94));
      border:1px solid rgba(255,236,204,.12);
      box-shadow:0 18px 46px rgba(0,0,0,.18);
      transition:var(--ease)
    }
    .guide-card:hover{transform:translateY(-4px);border-color:rgba(243,178,79,.32);box-shadow:0 24px 58px rgba(0,0,0,.26)}
    .guide-number{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(243,178,79,.13);
      color:var(--brand-2);
      font-weight:950;
      margin-bottom:16px
    }
    .guide-card h3{margin:0 0 10px;font-size:21px}
    .guide-card p{margin:0;color:var(--muted);font-size:15px}

    .related-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:22px;
      margin-top:34px
    }
    .related-feature{
      position:relative;
      min-height:320px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#2a261f;
      box-shadow:var(--shadow-soft)
    }
    .related-feature img{width:100%;height:100%;min-height:320px;object-fit:cover}
    .related-feature::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(23,18,13,.08),rgba(23,18,13,.78))
    }
    .feature-text{position:absolute;z-index:1;left:26px;right:26px;bottom:26px;color:#fff4df}
    .feature-text h3{margin:10px 0 8px;font-size:26px;line-height:1.25}
    .feature-text p{margin:0;color:#e4d2b9}
    .related-list{display:grid;gap:16px}
    .related-card{
      padding:22px;border-radius:var(--radius);
      background:var(--paper-2);
      border:1px solid rgba(45,37,28,.10);
      color:var(--text-dark);
      box-shadow:var(--shadow-soft);
      transition:var(--ease)
    }
    .related-card:hover{transform:translateY(-3px);border-color:rgba(158,97,32,.24);box-shadow:0 20px 52px rgba(28,20,11,.17)}
    .related-card h3{margin:8px 0 8px;font-size:21px;line-height:1.35}
    .related-card p{margin:0;color:var(--muted-dark);font-size:15px}
    .card-meta{
      display:flex;gap:10px;align-items:center;flex-wrap:wrap;
      color:#8b561d;font-size:13px;font-weight:800
    }

    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:start}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid rgba(255,236,204,.13);
      border-radius:18px;
      background:rgba(255,255,255,.055);
      overflow:hidden
    }
    .faq-question{
      width:100%;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:18px 20px;
      color:#fff2dc;background:transparent;
      text-align:left;font-weight:850
    }
    .faq-question .plus{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(243,178,79,.13);
      color:var(--brand-2);
      flex:none;transition:var(--ease)
    }
    .faq-answer{
      max-height:0;overflow:hidden;
      transition:max-height .28s ease;
      color:var(--muted);
      padding:0 20px
    }
    .faq-answer p{margin:0;padding:0 0 18px}
    .faq-item.open{border-color:rgba(243,178,79,.33)}
    .faq-item.open .plus{transform:rotate(45deg);background:rgba(243,178,79,.22)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(34,32,29,.94),rgba(124,53,45,.74)),
        url('/assets/images/backpic/back-3.jpg');
      background-size:cover;
      background-position:center;
      border:1px solid rgba(255,236,204,.14);
      box-shadow:var(--shadow)
    }
    .cta-panel::before{
      content:"";position:absolute;inset:0;
      background:radial-gradient(circle at 78% 0%,rgba(243,178,79,.23),transparent 32%);
      pointer-events:none
    }
    .cta-panel > *{position:relative;z-index:1}
    .cta-panel h2{margin:0;font-size:30px;line-height:1.25}
    .cta-panel p{margin:14px 0 24px;color:#eadbc3;max-width:700px}

    .site-footer{
      background:#0b0b0a;
      border-top:1px solid rgba(255,236,204,.10);
      padding:58px 0 26px
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .7fr .9fr;
      gap:36px;
      align-items:start
    }
    .footer-about p{
      margin:16px 0 0;
      max-width:430px;
      color:var(--muted);
      font-size:15px
    }
    .footer-col h3{font-size:17px;margin:0 0 14px;color:#fff0d9}
    .footer-links{display:grid;gap:10px;color:var(--muted);font-size:14px}
    .footer-links a,.footer-links span{transition:var(--ease)}
    .footer-links a:hover{color:var(--brand-2);transform:translateX(3px)}
    .copyright{
      margin-top:38px;
      padding-top:20px;
      border-top:1px solid rgba(255,236,204,.10);
      display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
      color:#9d927f;font-size:13px
    }

    @media (max-width:1024px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .article-shell{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .guide-grid{grid-template-columns:1fr 1fr}
      .related-wrap{grid-template-columns:1fr}
      .faq-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-about{grid-column:1/-1}
    }
    @media (max-width:768px){
      .section{padding:68px 0}
      .nav-wrap{height:70px}
      .menu-toggle{display:flex}
      .nav-links{
        position:fixed;
        left:16px;right:16px;top:82px;
        display:grid;gap:8px;
        padding:16px;
        border-radius:22px;
        background:rgba(18,17,15,.96);
        border:1px solid rgba(255,236,204,.12);
        box-shadow:var(--shadow);
        transform:translateY(-18px);
        opacity:0;visibility:hidden;
        transition:var(--ease)
      }
      .menu-open .nav-links{transform:translateY(0);opacity:1;visibility:visible}
      .nav-links a{padding:13px 15px}
      .article-banner{padding:46px 0 38px}
      .article-head{padding:26px}
      .article-summary{font-size:16px}
      .article-content{padding:30px 24px 36px;font-size:16px}
      .article-content h2{font-size:24px}
      .side-stack{grid-template-columns:1fr}
      .guide-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 24px)}
      .brand-text{font-size:18px}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .section-title{font-size:27px}
      .article-head{padding:22px;border-radius:22px}
      .article-meta{gap:8px}
      .head-actions,.btn{width:100%}
      .btn{min-height:48px}
      .reader-cover img{height:210px}
      .cover-caption{left:16px;right:16px;bottom:16px}
      .not-found{padding:42px 22px}
      .related-feature,.related-feature img{min-height:260px}
      .feature-text{left:20px;right:20px;bottom:20px}
      .feature-text h3{font-size:23px}
      .cta-panel{padding:26px}
      .cta-panel h2{font-size:25px}
    }

/* 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}