/* roulang page: index */
:root{
      --color-primary:#7a2432;
      --color-primary-dark:#5b1825;
      --color-primary-soft:#f4e4e6;
      --color-accent:#c99a55;
      --color-accent-dark:#a87833;
      --color-cream:#fbf6ee;
      --color-cream-2:#f5ecdf;
      --color-bg:#fffaf3;
      --color-surface:#ffffff;
      --color-ink:#241a1b;
      --color-muted:#725f5c;
      --color-light:#9a8581;
      --color-border:#eadccd;
      --color-dark:#211719;
      --shadow-sm:0 8px 24px rgba(80,42,36,.08);
      --shadow-md:0 18px 46px rgba(80,42,36,.14);
      --shadow-lg:0 28px 70px rgba(66,25,30,.18);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1180px;
      --header-height:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{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(--color-ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(201,154,85,.18), transparent 30%),
        radial-gradient(circle at 95% 18%, rgba(122,36,50,.12), transparent 28%),
        var(--color-bg);
      line-height:1.72;
      font-size:16px;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    :focus-visible{outline:3px solid rgba(201,154,85,.55);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 44px));margin:0 auto}
    .section{padding:86px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(201,154,85,.38);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--color-primary);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:0 8px 20px rgba(122,36,50,.05);
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 4px rgba(201,154,85,.16);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-title{margin:12px 0 0;font-size:clamp(28px,3.2vw,44px);line-height:1.18;letter-spacing:-.02em}
    .section-desc{max-width:620px;margin:12px 0 0;color:var(--color-muted);font-size:17px}
    .topbar{
      background:var(--color-dark);
      color:#f6e8d6;
      font-size:13px;
      letter-spacing:.01em;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .topbar strong{color:#ffd99b}
    .topbar a{color:#ffe3b1;border-bottom:1px solid rgba(255,227,177,.42)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,250,243,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,220,205,.78);
    }
    .nav-wrap{
      min-height:var(--header-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:43px;
      height:43px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff4df;
      font-size:15px;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),#371018);
      box-shadow:0 14px 30px rgba(122,36,50,.24);
    }
    .brand-text{font-size:21px;color:var(--color-primary-dark)}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      padding:10px 13px;
      border-radius:999px;
      color:#4d3a39;
      font-size:15px;
      font-weight:700;
      transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
    }
    .nav-link:hover,.nav-link.active{background:var(--color-primary-soft);color:var(--color-primary)}
    .nav-link:active{transform:scale(.98)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn-primary{
      background:linear-gradient(135deg,var(--color-accent),#e6bf7c);
      color:#2b1b13;
      box-shadow:0 14px 30px rgba(201,154,85,.26);
    }
    .btn-primary:hover{background:linear-gradient(135deg,#d8aa62,#f0cb8a);box-shadow:0 18px 36px rgba(201,154,85,.34)}
    .btn-secondary{
      color:var(--color-primary);
      background:rgba(255,255,255,.72);
      border-color:rgba(122,36,50,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{border-color:rgba(122,36,50,.35);background:#fff}
    .btn-dark{
      color:#fff4df;
      background:var(--color-primary);
      box-shadow:0 16px 34px rgba(122,36,50,.28);
    }
    .btn-dark:hover{background:var(--color-primary-dark)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
      color:var(--color-primary);
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:2px;
      transition:transform .2s var(--ease),opacity .2s var(--ease);
    }
    .hero{
      position:relative;
      overflow:hidden;
      padding:78px 0 74px;
    }
    .hero-shell{
      position:relative;
      min-height:620px;
      display:grid;
      align-items:end;
      border-radius:var(--radius-xl);
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(33,23,25,.92) 0%,rgba(33,23,25,.78) 44%,rgba(33,23,25,.28) 100%),
        url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-lg);
      isolation:isolate;
    }
    .hero-shell::after{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 18% 24%, rgba(201,154,85,.26), transparent 26%),
        linear-gradient(0deg,rgba(33,23,25,.48),transparent 48%);
      z-index:-1;
    }
    .hero-content{
      max-width:760px;
      padding:70px;
      color:#fff8ea;
    }
    .hero-kicker{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#ffe4aa;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,228,170,.28);
      border-radius:999px;
      padding:8px 13px;
      font-weight:800;
      font-size:14px;
      backdrop-filter:blur(10px);
    }
    .hero h1{
      margin:20px 0 16px;
      font-size:clamp(42px,6vw,78px);
      line-height:1.04;
      letter-spacing:-.055em;
    }
    .hero p{
      margin:0;
      max-width:650px;
      color:#f8e9d2;
      font-size:clamp(18px,2vw,22px);
      line-height:1.75;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:14px;
      margin-top:30px;
    }
    .hero-badges{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:34px;
    }
    .hero-badge{
      display:flex;
      align-items:center;
      gap:10px;
      min-height:48px;
      padding:10px 14px;
      border-radius:999px;
      color:#fff7e8;
      background:rgba(255,255,255,.11);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(12px);
      font-size:14px;
      font-weight:700;
    }
    .hero-badge b{color:#ffd992}
    .notice-card{
      position:absolute;
      right:34px;
      bottom:34px;
      width:min(360px,calc(100% - 68px));
      padding:22px;
      border-radius:24px;
      color:#fff5e2;
      background:rgba(36,26,27,.62);
      border:1px solid rgba(255,255,255,.18);
      backdrop-filter:blur(16px);
    }
    .notice-card strong{display:block;margin-bottom:6px;color:#ffd792;font-size:18px}
    .notice-card p{margin:0;color:#f3dfc8;font-size:14px;line-height:1.65}
    .feature-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-large,.feature-side,.topic-card,.trust-card,.update-card,.faq-item{
      border:1px solid rgba(234,220,205,.92);
      background:rgba(255,255,255,.78);
      box-shadow:var(--shadow-sm);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .feature-large:hover,.feature-side:hover,.topic-card:hover,.trust-card:hover,.update-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-md);
      border-color:rgba(201,154,85,.45);
    }
    .feature-large{
      min-height:420px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      background:#fff;
    }
    .feature-image{
      position:relative;
      min-height:300px;
      overflow:hidden;
      background:var(--color-cream-2);
    }
    .feature-image img,.topic-image img{width:100%;height:100%;object-fit:cover}
    .feature-image::after,.topic-image::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(36,26,27,.3),transparent 58%);
    }
    .feature-body{padding:34px}
    .feature-body h2,.feature-side h3,.topic-body h3{margin:0 0 12px;line-height:1.25}
    .feature-body h2{font-size:32px;letter-spacing:-.02em}
    .feature-body p,.feature-side p,.topic-body p{margin:0;color:var(--color-muted)}
    .feature-points{
      display:grid;
      gap:12px;
      margin:24px 0 0;
      padding:0;
      list-style:none;
    }
    .feature-points li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#4a3836;
      font-weight:650;
    }
    .feature-points li::before{
      content:"";
      flex:0 0 9px;
      width:9px;
      height:9px;
      margin-top:10px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 4px rgba(201,154,85,.14);
    }
    .feature-stack{display:grid;grid-template-rows:1fr 1fr;gap:22px}
    .feature-side{
      border-radius:var(--radius-lg);
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .feature-side.dark{
      color:#fff3df;
      background:
        linear-gradient(135deg,rgba(122,36,50,.95),rgba(52,17,24,.95)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-color:rgba(255,255,255,.14);
    }
    .feature-side.dark p{color:#f1d7c0}
    .feature-side .mini-number{
      font-size:48px;
      font-weight:900;
      line-height:1;
      color:var(--color-accent);
      letter-spacing:-.04em;
    }
    .feature-side.dark .mini-number{color:#ffd58a}
    .tag{
      display:inline-flex;
      align-items:center;
      width:max-content;
      padding:5px 10px;
      border-radius:999px;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      font-size:12px;
      font-weight:800;
    }
    .updates{
      background:linear-gradient(180deg,rgba(245,236,223,.82),rgba(255,250,243,.4));
      border-top:1px solid rgba(234,220,205,.66);
      border-bottom:1px solid rgba(234,220,205,.66);
    }
    .updates-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .update-card{
      display:flex;
      flex-direction:column;
      min-height:224px;
      padding:24px;
      border-radius:var(--radius-md);
      background:#fffdf9;
    }
    .update-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
      color:var(--color-light);
      font-size:13px;
      font-weight:700;
    }
    .update-card h3{margin:0 0 10px;font-size:22px;line-height:1.32}
    .update-card p{margin:0;color:var(--color-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
    .update-link{
      margin-top:auto;
      padding-top:18px;
      color:var(--color-primary);
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:8px;
    }
    .update-link::after{content:"→";transition:transform .2s var(--ease)}
    .update-card:hover .update-link::after{transform:translateX(4px)}
    .empty-state{
      grid-column:1/-1;
      padding:34px;
      border:1px dashed rgba(122,36,50,.28);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.68);
      color:var(--color-muted);
      text-align:center;
      font-weight:700;
    }
    .topics-wrap{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:24px;
      align-items:stretch;
    }
    .topic-intro{
      padding:36px;
      border-radius:var(--radius-lg);
      color:#fff6e4;
      background:
        linear-gradient(135deg,rgba(33,23,25,.95),rgba(91,24,37,.88)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .topic-intro h2{margin:14px 0 12px;font-size:38px;line-height:1.18;letter-spacing:-.03em}
    .topic-intro p{margin:0;color:#efdcc5}
    .topic-intro .btn{margin-top:26px}
    .topic-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .topic-card{
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#fff;
    }
    .topic-image{height:172px;position:relative;background:var(--color-cream-2)}
    .topic-body{padding:22px}
    .topic-body h3{font-size:21px}
    .reading-band{
      padding:28px 0;
      background:var(--color-primary);
      color:#fff0db;
    }
    .band-content{
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
    }
    .band-content h2{margin:0 0 6px;font-size:26px}
    .band-content p{margin:0;color:#edd1bd}
    .trust-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .trust-card{
      border-radius:var(--radius-lg);
      padding:28px;
      background:rgba(255,255,255,.76);
    }
    .trust-icon{
      width:48px;
      height:48px;
      display:grid;
      place-items:center;
      border-radius:16px;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      font-weight:900;
      margin-bottom:18px;
    }
    .trust-card h3{margin:0 0 10px;font-size:22px}
    .trust-card p{margin:0;color:var(--color-muted)}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:34px;
      align-items:start;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border-radius:18px;
      background:#fff;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--color-ink);
      font-weight:900;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      flex:0 0 28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:var(--color-primary);
      background:var(--color-primary-soft);
      transition:transform .2s var(--ease);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .24s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 22px 22px;
      color:var(--color-muted);
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-panel{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr auto;
      gap:30px;
      align-items:center;
      padding:46px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(122,36,50,.96),rgba(49,17,23,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff7e8;
      box-shadow:var(--shadow-lg);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      top:-90px;
      border-radius:50%;
      background:rgba(201,154,85,.26);
      filter:blur(2px);
    }
    .cta-panel h2{position:relative;margin:0 0 10px;font-size:clamp(28px,3.4vw,46px);line-height:1.16;letter-spacing:-.03em}
    .cta-panel p{position:relative;margin:0;color:#efd7c2;max-width:720px}
    .cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      padding:58px 0 26px;
      background:#1d1416;
      color:#e9d8c4;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .7fr .8fr;
      gap:36px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand strong{font-size:21px;color:#fff1dc}
    .footer-text{margin:0;max-width:520px;color:#bea99b}
    .footer-col h3{margin:0 0 14px;color:#fff1dc;font-size:16px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:#d3bca9;
      transition:color .2s var(--ease),transform .2s var(--ease);
      width:max-content;
    }
    .footer-links a:hover{color:#ffd592;transform:translateX(3px)}
    .footer-note{margin:0;color:#bea99b}
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      color:#a99488;
      font-size:14px;
    }
    @media (max-width:1024px){
      .section{padding:72px 0}
      .hero-content{padding:54px}
      .hero-shell{min-height:590px}
      .notice-card{position:relative;right:auto;bottom:auto;margin:0 34px 34px}
      .feature-layout,.topics-wrap,.faq-wrap{grid-template-columns:1fr}
      .feature-large{grid-template-columns:1fr}
      .feature-stack{grid-template-columns:1fr 1fr;grid-template-rows:auto}
      .band-content,.cta-panel{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:768px){
      .container{width:min(100% - 30px,var(--container))}
      .topbar .container{align-items:flex-start;flex-direction:column;padding:9px 0;gap:4px}
      .menu-toggle{display:block}
      .nav-menu{
        position:absolute;
        left:15px;
        right:15px;
        top:calc(var(--header-height) + 8px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border:1px solid var(--color-border);
        border-radius:20px;
        background:rgba(255,250,243,.98);
        box-shadow:var(--shadow-md);
      }
      .nav-menu.open{display:flex}
      .nav-link{width:100%;padding:13px 14px}
      .nav-wrap>.btn{display:none}
      .hero{padding:42px 0 52px}
      .hero-shell{min-height:auto;border-radius:26px}
      .hero-content{padding:38px 26px 28px}
      .hero-actions .btn{width:100%}
      .hero-badges{gap:8px}
      .hero-badge{width:100%;justify-content:center}
      .notice-card{width:auto;margin:0 18px 22px}
      .section-head{display:block}
      .updates-grid,.topic-grid,.trust-grid{grid-template-columns:1fr}
      .feature-stack{grid-template-columns:1fr}
      .feature-body,.feature-side,.topic-intro,.trust-card{padding:24px}
      .reading-band{padding:24px 0}
      .footer-grid{grid-template-columns:1fr}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand-text{font-size:18px}
      .brand-mark{width:40px;height:40px;border-radius:13px}
      .section{padding:58px 0}
      .section-tight{padding:46px 0}
      .hero h1{font-size:40px}
      .hero p,.section-desc{font-size:16px}
      .feature-body h2,.topic-intro h2{font-size:28px}
      .update-card{padding:20px}
      .update-meta{align-items:flex-start;flex-direction:column;gap:8px}
      .cta-panel{padding:30px 22px;border-radius:24px}
      .cta-actions .btn{width:100%}
    }

/* roulang page: article */
:root{
      --color-primary:#7a2432;
      --color-primary-dark:#5b1825;
      --color-primary-soft:#f4e4e6;
      --color-accent:#c99a55;
      --color-accent-dark:#a87833;
      --color-cream:#fbf6ee;
      --color-cream-2:#f5ecdf;
      --color-bg:#fffaf3;
      --color-surface:#ffffff;
      --color-ink:#241a1b;
      --color-muted:#725f5c;
      --color-light:#9a8581;
      --color-border:#eadccd;
      --color-dark:#211719;
      --shadow-sm:0 8px 24px rgba(80,42,36,.08);
      --shadow-md:0 18px 46px rgba(80,42,36,.14);
      --shadow-lg:0 28px 70px rgba(66,25,30,.18);
      --radius-sm:12px;
      --radius-md:18px;
      --radius-lg:26px;
      --radius-xl:34px;
      --container:1180px;
      --header-height:76px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{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(--color-ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(201,154,85,.18), transparent 30%),
        radial-gradient(circle at 95% 18%, rgba(122,36,50,.12), transparent 28%),
        var(--color-bg);
      line-height:1.72;
      font-size:16px;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    ::selection{background:rgba(201,154,85,.32);color:var(--color-primary-dark)}
    .container{width:min(var(--container),calc(100% - 44px));margin:0 auto;max-width:none}
    .section{padding:86px 0}
    .section-tight{padding:62px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(201,154,85,.38);
      border-radius:999px;
      background:rgba(255,255,255,.72);
      color:var(--color-primary);
      font-size:13px;
      font-weight:700;
      letter-spacing:.02em;
      box-shadow:0 8px 20px rgba(122,36,50,.05);
    }
    .eyebrow::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 4px rgba(201,154,85,.16);
    }
    .topbar{
      background:var(--color-dark);
      color:#f6e8d6;
      font-size:13px;
      letter-spacing:.01em;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .topbar strong{color:#ffd99b}
    .topbar a{color:#ffe3b1;border-bottom:1px solid rgba(255,227,177,.42)}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,250,243,.9);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(234,220,205,.78);
    }
    .nav-wrap{
      min-height:var(--header-height);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:43px;
      height:43px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff4df;
      font-size:15px;
      font-weight:900;
      background:linear-gradient(135deg,var(--color-primary),#371018);
      box-shadow:0 14px 30px rgba(122,36,50,.24);
    }
    .brand-text{font-size:21px;color:var(--color-primary-dark)}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:flex-end;
      gap:8px;
      margin-left:auto;
    }
    .nav-link{
      padding:10px 13px;
      border-radius:999px;
      color:#4d3a39;
      font-size:15px;
      font-weight:700;
      transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
    }
    .nav-link:hover,.nav-link.active{background:var(--color-primary-soft);color:var(--color-primary)}
    .nav-link:active{transform:scale(.98)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(0) scale(.98)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,.faq-question:focus-visible,a:focus-visible{
      outline:3px solid rgba(201,154,85,.48);
      outline-offset:3px;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--color-accent),#e6bf7c);
      color:#2b1b13;
      box-shadow:0 14px 30px rgba(201,154,85,.26);
    }
    .btn-primary:hover{background:linear-gradient(135deg,#d8aa62,#f0cb8a);box-shadow:0 18px 36px rgba(201,154,85,.34)}
    .btn-secondary{
      color:var(--color-primary);
      background:rgba(255,255,255,.72);
      border-color:rgba(122,36,50,.18);
      box-shadow:var(--shadow-sm);
    }
    .btn-secondary:hover{border-color:rgba(122,36,50,.35);background:#fff}
    .btn-dark{
      color:#fff4df;
      background:var(--color-primary);
      box-shadow:0 16px 34px rgba(122,36,50,.28);
    }
    .btn-dark:hover{background:var(--color-primary-dark)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:14px;
      background:#fff;
      border:1px solid var(--color-border);
      box-shadow:var(--shadow-sm);
      color:var(--color-primary);
    }
    .menu-toggle span{
      display:block;
      width:20px;
      height:2px;
      background:currentColor;
      margin:5px auto;
      border-radius:2px;
      transition:transform .2s var(--ease),opacity .2s var(--ease);
    }
    .article-hero{
      position:relative;
      padding:54px 0 34px;
    }
    .article-hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(120deg,rgba(33,23,25,.92),rgba(91,24,37,.72)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      min-height:430px;
      display:grid;
      align-items:end;
      box-shadow:var(--shadow-lg);
      isolation:isolate;
    }
    .article-hero-shell::after{
      content:"";
      position:absolute;
      inset:auto -12% -28% 38%;
      height:260px;
      background:radial-gradient(circle,rgba(201,154,85,.34),transparent 64%);
      z-index:-1;
    }
    .article-hero-content{
      width:min(850px,100%);
      padding:54px;
      color:#fff8ea;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin:0 0 22px;
      padding:0;
      color:rgba(255,248,234,.78);
      font-size:14px;
    }
    .breadcrumb a{border-bottom:1px solid rgba(255,248,234,.32)}
    .breadcrumb span:last-child{color:#ffdfaa}
    .article-meta{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:6px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      line-height:1;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.12);
      color:#ffe7bd;
      backdrop-filter:blur(10px);
    }
    .tag.light{
      color:var(--color-primary);
      background:var(--color-primary-soft);
      border-color:rgba(122,36,50,.1);
    }
    .article-hero h1{
      margin:0;
      max-width:820px;
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:950;
    }
    .h1-brand{
      display:block;
      margin-bottom:8px;
      color:#ffd99b;
      font-size:clamp(17px,1.7vw,22px);
      line-height:1.3;
      letter-spacing:.02em;
      font-weight:900;
    }
    .article-summary{
      margin:22px 0 0;
      max-width:760px;
      color:rgba(255,248,234,.84);
      font-size:18px;
      line-height:1.82;
    }
    .hero-actions{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .reading-strip{
      margin-top:22px;
      padding:16px 18px;
      border:1px solid rgba(201,154,85,.3);
      border-radius:var(--radius-md);
      background:rgba(255,255,255,.68);
      box-shadow:var(--shadow-sm);
      color:var(--color-muted);
      display:flex;
      align-items:flex-start;
      gap:12px;
    }
    .reading-strip strong{color:var(--color-primary-dark)}
    .reading-strip .dot{
      flex:0 0 auto;
      width:10px;
      height:10px;
      margin-top:9px;
      border-radius:50%;
      background:var(--color-accent);
      box-shadow:0 0 0 6px rgba(201,154,85,.14);
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:32px;
      align-items:start;
    }
    .article-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,220,205,.86);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-md);
      overflow:hidden;
    }
    .article-cover{
      position:relative;
      aspect-ratio:16/7;
      overflow:hidden;
      background:var(--color-cream-2);
    }
    .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
    }
    .article-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(36,26,27,.46));
    }
    .article-body{
      padding:44px 50px 50px;
      color:#342829;
      font-size:18px;
      line-height:1.92;
      word-break:break-word;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body p{margin:0 0 1.25em}
    .article-body h2{
      margin:2.1em 0 .75em;
      font-size:clamp(25px,2.4vw,34px);
      line-height:1.28;
      color:var(--color-primary-dark);
      letter-spacing:-.025em;
      font-weight:900;
    }
    .article-body h3{
      margin:1.8em 0 .65em;
      font-size:clamp(21px,2vw,27px);
      line-height:1.34;
      color:#3d2428;
      font-weight:900;
    }
    .article-body h4{
      margin:1.5em 0 .55em;
      font-size:20px;
      color:var(--color-primary);
      font-weight:900;
    }
    .article-body a{
      color:var(--color-primary);
      font-weight:800;
      border-bottom:1px solid rgba(122,36,50,.26);
      transition:color .2s var(--ease),border-color .2s var(--ease);
    }
    .article-body a:hover{color:var(--color-accent-dark);border-color:rgba(201,154,85,.58)}
    .article-body ul,.article-body ol{margin:0 0 1.35em 1.25em;padding:0}
    .article-body li{margin:.42em 0;padding-left:.2em}
    .article-body blockquote{
      margin:2em 0;
      padding:24px 26px;
      border-left:5px solid var(--color-accent);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:linear-gradient(135deg,#fff7eb,#fbefe0);
      color:#513a36;
      box-shadow:inset 0 0 0 1px rgba(201,154,85,.16);
    }
    .article-body img{
      margin:2em auto;
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-md);
      border:1px solid rgba(234,220,205,.78);
    }
    .article-body figure{margin:2em 0}
    .article-body figcaption{
      margin-top:10px;
      color:var(--color-light);
      text-align:center;
      font-size:14px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:2em 0;
      overflow:hidden;
      border:1px solid var(--color-border);
      border-radius:var(--radius-md);
      background:#fff;
    }
    .article-body th,.article-body td{
      padding:14px 16px;
      border-bottom:1px solid var(--color-border);
      vertical-align:top;
    }
    .article-body tr:last-child th,.article-body tr:last-child td{border-bottom:0}
    .article-body th{background:var(--color-cream);color:var(--color-primary-dark);font-weight:900}
    .not-found{
      padding:48px;
      text-align:center;
      background:linear-gradient(135deg,#fff,#fff7ec);
      border-radius:var(--radius-lg);
      border:1px dashed rgba(201,154,85,.55);
    }
    .not-found h2{
      margin:0 0 12px;
      color:var(--color-primary-dark);
      font-size:30px;
      font-weight:950;
    }
    .not-found p{margin:0 0 22px;color:var(--color-muted)}
    .side-panel{
      position:sticky;
      top:104px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.84);
      border:1px solid rgba(234,220,205,.86);
      box-shadow:var(--shadow-sm);
      padding:24px;
    }
    .side-card h2,.side-card h3{
      margin:0 0 14px;
      font-size:20px;
      color:var(--color-primary-dark);
      font-weight:950;
    }
    .side-card p{margin:0;color:var(--color-muted)}
    .info-list{display:grid;gap:12px;margin:16px 0 0}
    .info-item{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px solid rgba(234,220,205,.82);
      color:var(--color-muted);
      font-size:14px;
    }
    .info-item:last-child{border-bottom:0}
    .info-item strong{color:var(--color-ink)}
    .mini-cover{
      overflow:hidden;
      border-radius:var(--radius-md);
      margin-bottom:18px;
      background:var(--color-cream-2);
    }
    .mini-cover img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      transition:transform .35s var(--ease);
    }
    .side-card:hover .mini-cover img{transform:scale(1.04)}
    .quick-links{display:grid;gap:10px;margin-top:16px}
    .quick-links a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:12px 14px;
      border-radius:var(--radius-sm);
      background:var(--color-cream);
      color:var(--color-primary);
      font-weight:800;
      transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
    }
    .quick-links a:hover{transform:translateX(3px);background:#fff;box-shadow:var(--shadow-sm)}
    .updates-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:22px;
      align-items:stretch;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:30px;
    }
    .section-title{margin:12px 0 0;font-size:clamp(28px,3.2vw,44px);line-height:1.18;letter-spacing:-.02em;font-weight:950}
    .section-desc{max-width:620px;margin:12px 0 0;color:var(--color-muted);font-size:17px}
    .recommend-card{
      min-height:260px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:28px;
      background:#2a171b;
      color:#fff4df;
      box-shadow:var(--shadow-md);
      isolation:isolate;
      transition:transform .25s var(--ease),box-shadow .25s var(--ease);
    }
    .recommend-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
    .recommend-card::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(33,23,25,.12),rgba(33,23,25,.88)),var(--bg) center/cover no-repeat;
      z-index:-2;
      transition:transform .45s var(--ease);
    }
    .recommend-card:hover::before{transform:scale(1.05)}
    .recommend-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 85% 15%,rgba(201,154,85,.32),transparent 36%);
      z-index:-1;
    }
    .recommend-card h3{margin:14px 0 8px;font-size:26px;line-height:1.22;font-weight:950}
    .recommend-card p{margin:0;color:rgba(255,244,223,.78)}
    .recommend-list{
      display:grid;
      gap:16px;
    }
    .recommend-item{
      display:grid;
      grid-template-columns:118px minmax(0,1fr);
      gap:16px;
      align-items:center;
      padding:14px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.84);
      border:1px solid rgba(234,220,205,.86);
      box-shadow:var(--shadow-sm);
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
    }
    .recommend-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(201,154,85,.42)}
    .recommend-thumb{
      border-radius:var(--radius-md);
      overflow:hidden;
      background:var(--color-cream-2);
    }
    .recommend-thumb img{width:100%;aspect-ratio:1.1/1;object-fit:cover}
    .recommend-item h3{margin:0 0 6px;font-size:18px;font-weight:950;color:var(--color-primary-dark)}
    .recommend-item p{margin:0;color:var(--color-muted);font-size:14px;line-height:1.62}
    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:32px;
      align-items:start;
    }
    .faq-copy{
      padding:30px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
      color:#fff4df;
      box-shadow:var(--shadow-md);
    }
    .faq-copy h2{margin:12px 0 12px;font-size:clamp(28px,3vw,40px);font-weight:950;line-height:1.18}
    .faq-copy p{margin:0;color:rgba(255,244,223,.78)}
    .faq-list{display:grid;gap:14px}
    .faq-item{
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(234,220,205,.9);
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow-sm);
    }
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--color-primary-dark);
      font-weight:950;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--color-primary-soft);
      color:var(--color-primary);
      transition:transform .2s var(--ease);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s var(--ease);
    }
    .faq-answer p{
      margin:0;
      padding:0 22px 20px;
      color:var(--color-muted);
    }
    .faq-item.open .faq-answer{max-height:240px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:44px;
      background:
        linear-gradient(135deg,rgba(33,23,25,.94),rgba(91,24,37,.92)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      color:#fff4df;
      box-shadow:var(--shadow-lg);
    }
    .cta::after{
      content:"";
      position:absolute;
      width:330px;
      height:330px;
      right:-90px;
      top:-110px;
      border-radius:50%;
      background:rgba(201,154,85,.24);
      filter:blur(4px);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:28px;
    }
    .cta h2{margin:10px 0 12px;font-size:clamp(30px,3.5vw,46px);line-height:1.16;font-weight:950}
    .cta p{margin:0;max-width:660px;color:rgba(255,244,223,.78)}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
    .site-footer{
      margin-top:82px;
      padding:58px 0 28px;
      background:#1f1517;
      color:#f7ead9;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .7fr 1fr;
      gap:38px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      margin-bottom:16px;
    }
    .footer-brand strong{font-size:22px;color:#ffe0ac}
    .footer-text,.footer-note{margin:0;color:rgba(247,234,217,.72);line-height:1.78}
    .footer-col h3{margin:0 0 14px;font-size:17px;color:#ffe0ac;font-weight:950}
    .footer-links{display:grid;gap:10px}
    .footer-links a{
      color:rgba(247,234,217,.78);
      transition:color .2s var(--ease),transform .2s var(--ease);
    }
    .footer-links a:hover{color:#ffe0ac;transform:translateX(3px)}
    .copyright{
      display:flex;
      align-items:center;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:12px;
      padding-top:22px;
      color:rgba(247,234,217,.58);
      font-size:14px;
    }
    @media (max-width:1024px){
      .article-layout{grid-template-columns:1fr}
      .side-panel{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .updates-grid,.faq-wrap{grid-template-columns:1fr}
      .article-hero-content{padding:42px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--header-height:66px}
      .container{width:min(100% - 30px,var(--container))}
      .topbar .container{align-items:flex-start;flex-direction:column;justify-content:center;padding:8px 0;gap:4px}
      .menu-toggle{display:block}
      .nav-menu{
        position:absolute;
        left:15px;
        right:15px;
        top:calc(var(--header-height) + 8px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:14px;
        border-radius:var(--radius-lg);
        border:1px solid var(--color-border);
        background:rgba(255,250,243,.98);
        box-shadow:var(--shadow-md);
      }
      .nav-menu.is-open{display:flex}
      .nav-link{padding:13px 15px}
      .nav-wrap>.btn{display:none}
      .article-hero{padding:34px 0 22px}
      .article-hero-shell{min-height:450px;border-radius:var(--radius-lg)}
      .article-hero-content{padding:30px 24px}
      .article-summary{font-size:16px}
      .hero-actions .btn{width:100%}
      .article-body{padding:30px 24px;font-size:17px}
      .article-cover{aspect-ratio:16/9}
      .side-panel{grid-template-columns:1fr}
      .recommend-item{grid-template-columns:96px minmax(0,1fr)}
      .section,.section-tight{padding:54px 0}
      .section-head{display:block}
      .cta{padding:32px 24px}
      .cta-inner{display:block}
      .cta-actions{margin-top:24px}
      .cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .copyright{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .brand-text{font-size:18px}
      .brand-mark{width:39px;height:39px;border-radius:13px}
      .article-hero h1{font-size:34px;letter-spacing:-.035em}
      .article-meta{gap:8px}
      .tag{font-size:12px}
      .reading-strip{padding:14px}
      .article-body{padding:26px 18px;line-height:1.86}
      .article-body table{display:block;overflow-x:auto;white-space:nowrap}
      .not-found{padding:32px 18px}
      .recommend-card{padding:22px;min-height:230px}
      .recommend-item{grid-template-columns:1fr}
      .recommend-thumb img{aspect-ratio:16/9}
      .faq-question{padding:18px}
      .faq-answer p{padding:0 18px 18px}
    }

/* 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}