/* roulang page: index */
:root{
      --cinema:#10100f;
      --cinema-2:#181715;
      --graphite:#24211d;
      --graphite-soft:#312d27;
      --amber:#f5a524;
      --amber-2:#ffbd4a;
      --amber-dark:#c67b11;
      --cream:#f6f0e6;
      --cream-2:#fffaf1;
      --mist:#e7dfd2;
      --line:rgba(42,36,29,.14);
      --line-dark:rgba(255,255,255,.12);
      --text:#28231d;
      --muted:#70685d;
      --muted-dark:#c8bfb2;
      --green:#8cc7ad;
      --white:#ffffff;
      --shadow:0 22px 60px rgba(25,20,14,.16);
      --shadow-soft:0 14px 34px rgba(25,20,14,.10);
      --radius-sm:16px;
      --radius-md:22px;
      --radius-lg:28px;
      --container:1200px;
      --ease:all .24s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:var(--cream);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(245,165,36,.35)}
    :focus-visible{outline:3px solid rgba(245,165,36,.65);outline-offset:4px;border-radius:10px}

    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(245,165,36,.12);
      color:#7b4a08;
      font-weight:700;
      font-size:13px;
      letter-spacing:.02em;
    }
    .eyebrow.dark{
      color:#ffda95;
      background:rgba(245,165,36,.14);
      border:1px solid rgba(245,165,36,.25);
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:34px;
    }
    .section-title{
      font-size:clamp(28px,4vw,40px);
      line-height:1.18;
      letter-spacing:-.03em;
      margin-top:12px;
      color:var(--text);
    }
    .section-desc{
      max-width:610px;
      color:var(--muted);
      font-size:16px;
      line-height:1.85;
    }

    .site-header{
      position:fixed;
      inset:0 0 auto;
      z-index:100;
      transition:var(--ease);
      border-bottom:1px solid transparent;
    }
    .site-header.scrolled{
      background:rgba(16,16,15,.92);
      backdrop-filter:blur(16px);
      border-bottom-color:rgba(255,255,255,.08);
      box-shadow:0 14px 38px rgba(0,0,0,.22);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--white);
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--amber),#ffda82);
      color:#1c1409;
      box-shadow:0 12px 26px rgba(245,165,36,.28);
      flex:0 0 auto;
    }
    .brand-mark svg{width:20px;height:20px}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }
    .brand-text strong{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-text span{
      font-size:12px;
      color:#d8cbbb;
      font-weight:600;
      margin-top:3px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      list-style:none;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:9px 14px;
      border-radius:999px;
      color:#e7ded0;
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#17120b;
      background:var(--amber);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.15);
      color:#fff;
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
    }
    .nav-cta:hover{background:var(--amber);color:#15100a;box-shadow:0 12px 26px rgba(245,165,36,.28)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:15px;
      background:rgba(255,255,255,.09);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      display:block;
      width:20px;
      height:2px;
      background:#fff;
      border-radius:2px;
      transition:var(--ease);
      position:relative;
    }
    .menu-toggle span::before{position:absolute;top:-7px}
    .menu-toggle span::after{position:absolute;top:7px}
    .menu-open .menu-toggle span{background:transparent}
    .menu-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
    .menu-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}

    .hero{
      position:relative;
      min-height:790px;
      padding:132px 0 84px;
      color:#fff;
      background:
        radial-gradient(circle at 20% 18%,rgba(245,165,36,.28),transparent 26%),
        radial-gradient(circle at 86% 42%,rgba(140,199,173,.18),transparent 24%),
        linear-gradient(180deg,rgba(16,16,15,.76),rgba(16,16,15,.93)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 92%);
      pointer-events:none;
    }
    .hero::after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-1px;
      height:130px;
      background:linear-gradient(180deg,transparent,var(--cream));
      pointer-events:none;
    }
    .hero-layout{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.02fr) minmax(360px,.88fr);
      gap:58px;
      align-items:center;
    }
    .hero-copy{max-width:710px}
    .hero-brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:#ffe4ad;
      background:rgba(0,0,0,.25);
      border:1px solid rgba(255,255,255,.13);
      border-radius:999px;
      padding:8px 13px;
      margin-bottom:22px;
      font-weight:800;
      font-size:14px;
      backdrop-filter:blur(10px);
    }
    .pulse{
      width:9px;height:9px;border-radius:50%;
      background:var(--amber);
      box-shadow:0 0 0 7px rgba(245,165,36,.14);
    }
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.12;
      letter-spacing:-.055em;
      margin-bottom:22px;
      color:#fff7ea;
    }
    .hero-subtitle{
      font-size:18px;
      line-height:1.9;
      color:#e9dfd0;
      max-width:650px;
      margin-bottom:30px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-bottom:26px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 20px;
      border-radius:999px;
      font-weight:900;
      font-size:15px;
      transition:var(--ease);
      border:1px solid transparent;
      user-select:none;
      white-space:nowrap;
    }
    .btn-primary{
      color:#211508;
      background:linear-gradient(135deg,var(--amber),var(--amber-2));
      box-shadow:0 16px 32px rgba(245,165,36,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 42px rgba(245,165,36,.36);background:linear-gradient(135deg,#ffb637,#ffce6c)}
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{
      color:#fff;
      border-color:rgba(255,255,255,.22);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(10px);
    }
    .btn-secondary:hover{border-color:rgba(245,165,36,.65);color:#ffdf9d;background:rgba(245,165,36,.08);transform:translateY(-2px)}
    .btn-outline{
      color:var(--text);
      border-color:rgba(40,35,29,.16);
      background:rgba(255,255,255,.55);
    }
    .btn-outline:hover{color:#1f1408;border-color:var(--amber);box-shadow:var(--shadow-soft);transform:translateY(-2px)}
    .hero-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:999px;
      padding:7px 11px;
      font-size:13px;
      font-weight:800;
      color:#f9ead1;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .tag::before{
      content:"";
      width:6px;height:6px;border-radius:50%;
      background:var(--green);
    }

    .cinema-panel{
      position:relative;
      border-radius:32px;
      padding:14px;
      background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:0 32px 90px rgba(0,0,0,.42);
      backdrop-filter:blur(16px);
    }
    .cinema-screen{
      position:relative;
      aspect-ratio:16/10;
      border-radius:24px;
      overflow:hidden;
      background:#090807;
      border:1px solid rgba(255,255,255,.12);
    }
    .cinema-screen img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.78;
      transform:scale(1.02);
    }
    .cinema-screen::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.06),rgba(0,0,0,.74));
    }
    .play-button{
      position:absolute;
      inset:50% auto auto 50%;
      transform:translate(-50%,-50%);
      width:76px;
      height:76px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(245,165,36,.95);
      color:#1a1007;
      box-shadow:0 18px 46px rgba(245,165,36,.35);
      z-index:2;
    }
    .play-button svg{width:30px;height:30px;margin-left:4px}
    .screen-meta{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      z-index:2;
      display:grid;
      gap:12px;
    }
    .screen-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      color:#fff;
      font-weight:800;
    }
    .quality{
      padding:5px 9px;
      border-radius:999px;
      color:#241505;
      background:#ffcf67;
      font-size:12px;
    }
    .progress{
      height:8px;
      border-radius:99px;
      background:rgba(255,255,255,.2);
      overflow:hidden;
    }
    .progress i{
      display:block;
      width:68%;
      height:100%;
      border-radius:inherit;
      background:linear-gradient(90deg,var(--amber),#ffe0a0);
    }
    .panel-info{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:12px;
      margin-top:14px;
    }
    .mini-card{
      padding:14px;
      border-radius:20px;
      background:rgba(16,16,15,.62);
      border:1px solid rgba(255,255,255,.12);
    }
    .mini-card span{display:block;color:#d7cbbd;font-size:12px;margin-bottom:3px}
    .mini-card strong{display:block;color:#fff2dd;font-size:18px;line-height:1.25}

    .advantage-wrap{position:relative;z-index:5;margin-top:-58px}
    .advantage-bar{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      overflow:hidden;
      border-radius:var(--radius-lg);
      background:rgba(255,250,241,.94);
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow);
      backdrop-filter:blur(12px);
    }
    .advantage-item{
      display:flex;
      gap:14px;
      padding:24px;
      border-right:1px solid var(--line);
      min-width:0;
    }
    .advantage-item:last-child{border-right:0}
    .adv-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:rgba(245,165,36,.14);
      color:#a76508;
      flex:0 0 auto;
    }
    .adv-icon svg{width:21px;height:21px}
    .advantage-item h3{font-size:17px;line-height:1.3;margin-bottom:4px;color:#251e17}
    .advantage-item p{font-size:13px;line-height:1.55;color:var(--muted)}

    .experience{
      background:var(--cream);
    }
    .experience-grid{
      display:grid;
      grid-template-columns:.96fr 1.04fr;
      gap:52px;
      align-items:center;
    }
    .media-stack{
      position:relative;
      min-height:500px;
    }
    .feature-img{
      position:absolute;
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      border:8px solid rgba(255,250,241,.86);
      background:#ddd0bd;
    }
    .feature-img.large{
      inset:0 70px 72px 0;
    }
    .feature-img.small{
      width:48%;
      right:0;
      bottom:0;
      z-index:2;
    }
    .feature-img img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .45s ease;
    }
    .media-stack:hover .feature-img img{transform:scale(1.04)}
    .floating-note{
      position:absolute;
      left:34px;
      bottom:32px;
      z-index:3;
      display:flex;
      align-items:center;
      gap:12px;
      padding:14px 16px;
      border-radius:20px;
      background:#16130f;
      color:#fff3dd;
      box-shadow:0 18px 45px rgba(0,0,0,.24);
      border:1px solid rgba(245,165,36,.26);
    }
    .floating-note b{display:block;font-size:16px;line-height:1.25}
    .floating-note span{display:block;font-size:12px;color:#d7c9b6}
    .feature-list{display:grid;gap:16px;margin-top:26px}
    .feature-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:15px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,250,241,.72);
      border:1px solid var(--line);
      box-shadow:0 10px 30px rgba(38,31,23,.06);
      transition:var(--ease);
    }
    .feature-item:hover{transform:translateX(4px);box-shadow:var(--shadow-soft);border-color:rgba(245,165,36,.36)}
    .feature-item .icon{
      width:48px;height:48px;border-radius:16px;
      display:grid;place-items:center;
      color:#8a5408;
      background:rgba(245,165,36,.14);
    }
    .feature-item h3{font-size:19px;line-height:1.3;margin-bottom:5px}
    .feature-item p{color:var(--muted);font-size:15px;line-height:1.7}

    .scenes{
      background:linear-gradient(180deg,var(--cream),#eee5d8);
      overflow:hidden;
    }
    .scene-track{
      display:grid;
      grid-template-columns:1.15fr .85fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .scene-card{
      position:relative;
      min-height:330px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:#1b1712;
      box-shadow:var(--shadow-soft);
      border:1px solid rgba(0,0,0,.06);
      transition:var(--ease);
    }
    .scene-card:nth-child(2){margin-top:44px;min-height:286px}
    .scene-card:nth-child(3){margin-top:12px}
    .scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .scene-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      position:absolute;
      inset:0;
      opacity:.72;
      transition:transform .45s ease;
    }
    .scene-card:hover img{transform:scale(1.06)}
    .scene-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(0,0,0,.82));
    }
    .scene-content{
      position:absolute;
      inset:auto 0 0;
      z-index:2;
      padding:26px;
      color:#fff;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 10px;
      background:rgba(245,165,36,.92);
      color:#211508;
      font-weight:900;
      font-size:12px;
      margin-bottom:12px;
    }
    .scene-content h3{font-size:23px;line-height:1.25;margin-bottom:8px}
    .scene-content p{color:#e7dac8;font-size:15px;line-height:1.7}

    .updates{
      background:var(--cream-2);
      position:relative;
    }
    .updates-layout{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:24px;
      align-items:start;
    }
    .updates-aside{
      position:sticky;
      top:100px;
      padding:30px;
      border-radius:var(--radius-lg);
      background:
        linear-gradient(180deg,rgba(16,16,15,.74),rgba(16,16,15,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      overflow:hidden;
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:var(--shadow);
    }
    .updates-aside::before{
      content:"";
      position:absolute;
      inset:-80px -80px auto auto;
      width:190px;height:190px;border-radius:50%;
      background:rgba(245,165,36,.20);
      filter:blur(5px);
    }
    .updates-aside h2{
      position:relative;
      font-size:34px;
      line-height:1.18;
      letter-spacing:-.04em;
      margin:14px 0 14px;
      color:#fff7e8;
    }
    .updates-aside p{
      position:relative;
      color:#ded2c3;
      line-height:1.85;
    }
    .updates-note{
      position:relative;
      display:grid;
      gap:10px;
      margin-top:28px;
    }
    .updates-note span{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-top:1px solid rgba(255,255,255,.12);
      color:#f4e9da;
      font-weight:800;
      font-size:14px;
    }
    .updates-list{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    .post-card{
      display:flex;
      flex-direction:column;
      min-height:230px;
      padding:22px;
      border-radius:var(--radius-md);
      background:#fffaf1;
      border:1px solid var(--line);
      box-shadow:0 12px 30px rgba(34,27,19,.06);
      transition:var(--ease);
    }
    .post-card:hover{
      transform:translateY(-5px);
      box-shadow:var(--shadow-soft);
      border-color:rgba(245,165,36,.42);
    }
    .post-meta{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      margin-bottom:14px;
      color:var(--muted);
      font-size:13px;
    }
    .post-category{
      display:inline-flex;
      align-items:center;
      max-width:54%;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(140,199,173,.18);
      color:#32664f;
      font-weight:900;
      overflow:hidden;
      white-space:nowrap;
      text-overflow:ellipsis;
    }
    .post-card h3{
      font-size:20px;
      line-height:1.38;
      margin-bottom:10px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
      transition:var(--ease);
    }
    .post-card:hover h3{color:#9c610d}
    .post-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
      margin-bottom:20px;
    }
    .post-link{
      margin-top:auto;
      color:#8a5408;
      font-weight:900;
      display:inline-flex;
      align-items:center;
      gap:8px;
      transition:var(--ease);
    }
    .post-link:hover{gap:12px;color:#5e3806}
    .empty-state{
      grid-column:1 / -1;
      min-height:260px;
      display:grid;
      place-items:center;
      text-align:center;
      padding:34px;
      border-radius:var(--radius-lg);
      background:#fffaf1;
      border:1px dashed rgba(40,35,29,.22);
    }
    .empty-icon{
      width:64px;height:64px;border-radius:22px;
      display:grid;place-items:center;
      margin:0 auto 16px;
      color:#9b600a;
      background:rgba(245,165,36,.14);
    }
    .empty-state p{font-weight:800;color:var(--muted);margin-bottom:18px}

    .standards{
      background:#eee5d8;
    }
    .standards-panel{
      border-radius:34px;
      padding:34px;
      background:#16130f;
      color:#fff;
      box-shadow:var(--shadow);
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:32px;
      align-items:center;
      overflow:hidden;
      position:relative;
    }
    .standards-panel::before{
      content:"";
      position:absolute;
      width:360px;height:360px;
      right:-160px;top:-170px;
      border-radius:50%;
      background:rgba(245,165,36,.18);
    }
    .standards-panel h2{
      position:relative;
      font-size:clamp(28px,4vw,38px);
      line-height:1.2;
      letter-spacing:-.04em;
      color:#fff4df;
      margin:12px 0 14px;
    }
    .standards-panel p{position:relative;color:#d7cbbb;line-height:1.85}
    .step-list{
      position:relative;
      display:grid;
      gap:0;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.05);
    }
    .step{
      display:grid;
      grid-template-columns:56px 1fr;
      gap:16px;
      padding:20px;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .step:last-child{border-bottom:0}
    .step-num{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:#251807;
      background:var(--amber);
      font-weight:950;
    }
    .step h3{font-size:18px;color:#fff7e8;margin-bottom:4px}
    .step p{font-size:14px;color:#cfc4b5;line-height:1.7}

    .proof{
      background:var(--cream-2);
    }
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .proof-card{
      padding:26px;
      border-radius:var(--radius-md);
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 30px rgba(31,25,18,.06);
      transition:var(--ease);
    }
    .proof-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-soft)}
    .proof-card strong{
      display:block;
      font-size:36px;
      line-height:1;
      letter-spacing:-.04em;
      color:#9b600a;
      margin-bottom:12px;
    }
    .proof-card h3{font-size:19px;margin-bottom:8px}
    .proof-card p{font-size:15px;color:var(--muted);line-height:1.75}

    .faq{
      background:var(--cream);
    }
    .faq-layout{
      display:grid;
      grid-template-columns:.72fr 1.28fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      padding:28px;
      border-radius:var(--radius-lg);
      background:#fffaf1;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .faq-intro h2{
      font-size:34px;
      line-height:1.2;
      letter-spacing:-.04em;
      margin:12px 0;
    }
    .faq-intro p{color:var(--muted)}
    .accordion{display:grid;gap:12px}
    .faq-item{
      border-radius:22px;
      background:#fffaf1;
      border:1px solid var(--line);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item.open{
      border-color:rgba(245,165,36,.55);
      box-shadow:0 12px 30px rgba(245,165,36,.10);
    }
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      background:transparent;
      color:var(--text);
      text-align:left;
      font-weight:900;
      font-size:17px;
    }
    .faq-question:hover{color:#8a5408}
    .faq-question i{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      flex:0 0 auto;
      background:rgba(245,165,36,.13);
      color:#8a5408;
      transition:var(--ease);
      font-style:normal;
    }
    .faq-item.open .faq-question i{transform:rotate(45deg);background:var(--amber);color:#211508}
    .faq-answer{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
      line-height:1.8;
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}

    .final-cta{
      padding:86px 0;
      color:#fff;
      background:
        radial-gradient(circle at 18% 20%,rgba(245,165,36,.22),transparent 30%),
        linear-gradient(180deg,rgba(16,16,15,.88),rgba(16,16,15,.96)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
    }
    .cta-box{
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:26px;
      padding:38px;
      border-radius:34px;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.06);
      backdrop-filter:blur(10px);
      box-shadow:0 26px 70px rgba(0,0,0,.28);
    }
    .cta-box h2{
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      letter-spacing:-.04em;
      color:#fff4df;
      margin-bottom:12px;
    }
    .cta-box p{color:#dacebe;max-width:720px;line-height:1.85}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}

    .site-footer{
      background:#0d0d0c;
      color:#bdb3a5;
      padding:54px 0 26px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr .9fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff4df;
      font-weight:950;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:40px;height:40px}
    .footer-desc{max-width:460px;font-size:14px;line-height:1.85}
    .footer-col h3{
      color:#fff4df;
      font-size:16px;
      margin-bottom:14px;
    }
    .footer-links{display:grid;gap:10px;list-style:none}
    .footer-links a{
      color:#bdb3a5;
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{color:var(--amber);padding-left:4px}
    .footer-bottom{
      padding-top:22px;
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:13px;
      color:#8e8477;
    }

    @media (max-width:1024px){
      .hero-layout,.experience-grid,.updates-layout,.standards-panel,.faq-layout{
        grid-template-columns:1fr;
      }
      .hero{min-height:auto;padding-top:124px}
      .cinema-panel{max-width:720px}
      .advantage-bar{grid-template-columns:repeat(2,1fr)}
      .advantage-item:nth-child(2){border-right:0}
      .advantage-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .media-stack{min-height:470px}
      .updates-aside{position:relative;top:auto;min-height:320px}
      .proof-grid{grid-template-columns:1fr 1fr}
      .cta-box{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }

    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .nav-wrap{height:68px}
      .brand-text strong{max-width:220px;font-size:14px}
      .brand-text span{display:none}
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;
        left:14px;
        right:14px;
        top:76px;
        padding:14px;
        border-radius:24px;
        background:rgba(16,16,15,.96);
        border:1px solid rgba(255,255,255,.12);
        box-shadow:0 22px 60px rgba(0,0,0,.38);
        display:none;
      }
      .menu-open .nav-menu{display:block}
      .nav-links{
        display:grid;
        gap:4px;
      }
      .nav-links a{
        width:100%;
        min-height:46px;
        justify-content:flex-start;
      }
      .nav-cta{
        width:100%;
        margin-top:8px;
      }
      .hero{padding:104px 0 72px}
      .hero-layout{gap:34px}
      .hero-subtitle{font-size:16px}
      .hero-actions .btn{flex:1 1 190px}
      .advantage-wrap{margin-top:-38px}
      .advantage-bar{grid-template-columns:1fr}
      .advantage-item{border-right:0;border-bottom:1px solid var(--line)}
      .advantage-item:last-child{border-bottom:0}
      .section-head{display:grid;align-items:start}
      .media-stack{min-height:auto;display:grid;gap:16px}
      .feature-img,.feature-img.large,.feature-img.small{
        position:relative;
        inset:auto;
        width:100%;
        aspect-ratio:16/10;
      }
      .floating-note{left:18px;bottom:18px}
      .scene-track{grid-template-columns:1fr}
      .scene-card,.scene-card:nth-child(2),.scene-card:nth-child(3){
        margin-top:0;
        min-height:290px;
      }
      .updates-list{grid-template-columns:1fr}
      .proof-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .panel-info{grid-template-columns:1fr}
    }

    @media (max-width:520px){
      .container{width:min(100% - 22px,var(--container))}
      h1{font-size:32px}
      .hero-brand{font-size:12px}
      .btn{width:100%;padding-left:16px;padding-right:16px}
      .cinema-panel{padding:10px;border-radius:24px}
      .play-button{width:58px;height:58px}
      .screen-row{font-size:13px}
      .advantage-item{padding:20px}
      .section-title,.faq-intro h2,.updates-aside h2{font-size:28px}
      .standards-panel,.cta-box{padding:24px;border-radius:26px}
      .step{grid-template-columns:1fr;padding:18px}
      .post-card{min-height:auto}
      .footer-bottom{display:grid}
    }

/* roulang page: article */
:root{
      --cinema:#10100f;
      --cinema-2:#181715;
      --graphite:#24211d;
      --graphite-soft:#312d27;
      --amber:#f5a524;
      --amber-2:#ffbd4a;
      --amber-dark:#c67b11;
      --cream:#f6f0e6;
      --cream-2:#fffaf1;
      --mist:#e7dfd2;
      --line:rgba(42,36,29,.14);
      --line-dark:rgba(255,255,255,.12);
      --text:#28231d;
      --muted:#70685d;
      --muted-dark:#c8bfb2;
      --green:#8cc7ad;
      --white:#ffffff;
      --shadow:0 22px 60px rgba(25,20,14,.16);
      --shadow-soft:0 14px 34px rgba(25,20,14,.10);
      --radius-sm:16px;
      --radius-md:22px;
      --radius-lg:28px;
      --container:1200px;
      --ease:all .24s 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);
      background:var(--cream);
      line-height:1.75;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(245,165,36,.34);color:#17120b}
    :focus-visible{outline:3px solid rgba(245,165,36,.78);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(245,165,36,.12);
      color:#7b4a08;
      font-weight:700;
      font-size:13px;
      letter-spacing:.02em;
    }
    .eyebrow.dark{
      color:#ffda95;
      background:rgba(245,165,36,.14);
      border:1px solid rgba(245,165,36,.25);
    }
    .site-header{
      position:fixed;
      inset:0 0 auto;
      z-index:100;
      transition:var(--ease);
      border-bottom:1px solid transparent;
    }
    .site-header.scrolled,
    .site-header.inner-ready{
      background:rgba(16,16,15,.92);
      backdrop-filter:blur(16px);
      border-bottom-color:rgba(255,255,255,.08);
      box-shadow:0 14px 38px rgba(0,0,0,.22);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--white);
      font-weight:900;
      letter-spacing:-.03em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--amber),#ffda82);
      color:#1c1409;
      box-shadow:0 12px 26px rgba(245,165,36,.28);
      flex:0 0 auto;
    }
    .brand-mark svg{width:20px;height:20px}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }
    .brand-text strong{
      font-size:16px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .brand-text span{
      font-size:12px;
      color:#d8cbbb;
      font-weight:600;
      margin-top:3px;
    }
    .nav-menu{
      display:flex;
      align-items:center;
      gap:16px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      list-style:none;
      padding:0;
      margin:0;
    }
    .nav-links a{
      display:inline-flex;
      align-items:center;
      min-height:42px;
      padding:9px 14px;
      border-radius:999px;
      color:#e7ded0;
      font-size:14px;
      font-weight:700;
      transition:var(--ease);
    }
    .nav-links a:hover,
    .nav-links a.active{
      color:#17120b;
      background:var(--amber);
      transform:translateY(-1px);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:10px 16px;
      border-radius:999px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.15);
      color:#fff;
      font-weight:800;
      font-size:14px;
      transition:var(--ease);
      white-space:nowrap;
    }
    .nav-cta:hover{background:var(--amber);color:#15100a;box-shadow:0 12px 26px rgba(245,165,36,.28)}
    .menu-toggle{
      display:none;
      width:46px;
      height:46px;
      border-radius:15px;
      background:rgba(255,255,255,.09);
      color:#fff;
      border:1px solid rgba(255,255,255,.14);
      align-items:center;
      justify-content:center;
      transition:var(--ease);
    }
    .menu-toggle:hover{background:rgba(255,255,255,.14)}
    .menu-toggle span,
    .menu-toggle span::before,
    .menu-toggle span::after{
      content:"";
      display:block;
      width:20px;
      height:2px;
      background:#fff;
      border-radius:2px;
      transition:var(--ease);
      position:relative;
    }
    .menu-toggle span::before{position:absolute;top:-7px}
    .menu-toggle span::after{position:absolute;top:7px}
    .menu-open .menu-toggle span{background:transparent}
    .menu-open .menu-toggle span::before{top:0;transform:rotate(45deg)}
    .menu-open .menu-toggle span::after{top:0;transform:rotate(-45deg)}

    .article-hero{
      position:relative;
      padding:128px 0 74px;
      color:#fff;
      background:
        radial-gradient(circle at 16% 28%,rgba(245,165,36,.24),transparent 30%),
        radial-gradient(circle at 86% 24%,rgba(140,199,173,.14),transparent 28%),
        linear-gradient(180deg,rgba(16,16,15,.76),rgba(16,16,15,.96)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      overflow:hidden;
    }
    .article-hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.026) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.82),transparent 95%);
      pointer-events:none;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      left:0;
      right:0;
      bottom:-1px;
      height:90px;
      background:linear-gradient(180deg,transparent,var(--cream));
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      z-index:1;
      max-width:980px;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      gap:10px;
      flex-wrap:wrap;
      margin:0 0 22px;
      color:#d8cbbb;
      font-size:14px;
      font-weight:650;
    }
    .breadcrumb a{
      color:#ffe0a3;
      transition:var(--ease);
    }
    .breadcrumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber);text-underline-offset:4px}
    .breadcrumb .sep{opacity:.55}
    .breadcrumb .current{
      max-width:560px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      color:#cfc4b5;
    }
    .article-title{
      margin:0;
      max-width:920px;
      font-size:clamp(31px,5vw,54px);
      line-height:1.15;
      letter-spacing:-.04em;
      font-weight:950;
      text-wrap:balance;
    }
    .article-summary{
      max-width:780px;
      margin:22px 0 0;
      color:#e9dfd0;
      font-size:17px;
      line-height:1.88;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-top:28px;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      color:#f3eadc;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
      font-size:13px;
      font-weight:800;
    }
    .meta-pill.highlight{
      color:#221607;
      background:var(--amber);
      border-color:var(--amber);
    }
    .article-shell{
      position:relative;
      padding:66px 0 92px;
    }
    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 330px;
      gap:34px;
      align-items:start;
    }
    .article-main{
      min-width:0;
    }
    .cover-card{
      margin-bottom:24px;
      padding:10px;
      background:rgba(255,250,241,.72);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .cover-frame{
      position:relative;
      aspect-ratio:16/8.8;
      border-radius:22px;
      overflow:hidden;
      background:linear-gradient(135deg,#2b2924,#151412);
    }
    .cover-frame img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.01);
    }
    .cover-frame::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(16,16,15,.42));
      pointer-events:none;
    }
    .play-chip{
      position:absolute;
      left:22px;
      bottom:20px;
      z-index:2;
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(16,16,15,.72);
      color:#fff3dd;
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(12px);
      font-size:13px;
      font-weight:850;
    }
    .play-chip svg{
      width:18px;
      height:18px;
      color:var(--amber);
    }
    .article-card{
      background:var(--cream-2);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-content{
      padding:46px 48px 52px;
      color:#312a22;
      font-size:17px;
      line-height:1.9;
      overflow-wrap:anywhere;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content h2,
    .article-content h3,
    .article-content h4{
      color:#211c16;
      letter-spacing:-.02em;
      line-height:1.35;
      font-weight:900;
    }
    .article-content h2{
      margin:44px 0 18px;
      font-size:clamp(24px,3.2vw,32px);
      padding-top:8px;
    }
    .article-content h3{
      margin:34px 0 14px;
      font-size:22px;
    }
    .article-content h4{
      margin:26px 0 10px;
      font-size:18px;
    }
    .article-content p{margin:0 0 20px}
    .article-content a{
      color:#8a5208;
      font-weight:800;
      background:linear-gradient(currentColor,currentColor) left bottom/0 2px no-repeat;
      transition:var(--ease);
    }
    .article-content a:hover{
      color:#5f3805;
      background-size:100% 2px;
    }
    .article-content ul,
    .article-content ol{
      margin:0 0 24px;
      padding-left:1.35em;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:30px 0;
      padding:22px 24px;
      border-left:5px solid var(--amber);
      background:rgba(245,165,36,.11);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      color:#4c4033;
      font-weight:650;
    }
    .article-content figure{margin:34px 0}
    .article-content figcaption{
      margin-top:10px;
      text-align:center;
      color:var(--muted);
      font-size:13px;
    }
    .article-content img{
      border-radius:20px;
      box-shadow:0 16px 34px rgba(25,20,14,.12);
      margin:28px auto;
      height:auto;
    }
    .article-content table{
      width:100%;
      border-collapse:collapse;
      margin:30px 0;
      overflow:hidden;
      border-radius:16px;
      display:block;
      max-width:100%;
      overflow-x:auto;
      border:1px solid var(--line);
      background:#fffaf4;
    }
    .article-content th,
    .article-content td{
      padding:13px 15px;
      border-bottom:1px solid rgba(42,36,29,.12);
      white-space:nowrap;
      text-align:left;
    }
    .article-content th{
      background:#f1e5d3;
      color:#2b241c;
      font-weight:900;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content code{
      padding:.18em .42em;
      border-radius:8px;
      background:#efe1ce;
      color:#7a4302;
      font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
      font-size:.92em;
    }
    .article-content pre{
      margin:30px 0;
      padding:20px;
      border-radius:18px;
      overflow:auto;
      background:#1d1a16;
      color:#f7ead7;
      border:1px solid rgba(255,255,255,.08);
    }
    .article-content pre code{
      padding:0;
      background:transparent;
      color:inherit;
    }
    .not-found{
      padding:54px 42px;
      text-align:center;
    }
    .not-found-icon{
      width:68px;
      height:68px;
      margin:0 auto 18px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:rgba(245,165,36,.14);
      color:#8a5208;
    }
    .not-found-icon svg{width:30px;height:30px}
    .not-found h2{
      margin:0 0 10px;
      font-size:30px;
      line-height:1.25;
      color:#211c16;
      font-weight:950;
    }
    .not-found p{
      max-width:520px;
      margin:0 auto 24px;
      color:var(--muted);
      line-height:1.85;
    }
    .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      align-items:center;
      justify-content:center;
    }
    .btn-main,
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:11px 18px;
      border-radius:999px;
      font-weight:900;
      transition:var(--ease);
    }
    .btn-main{
      background:var(--amber);
      color:#17120b;
      box-shadow:0 14px 28px rgba(245,165,36,.22);
    }
    .btn-main:hover{
      background:var(--amber-2);
      color:#17120b;
      transform:translateY(-2px);
      box-shadow:0 18px 36px rgba(245,165,36,.28);
    }
    .btn-ghost{
      background:rgba(36,33,29,.04);
      color:#2a241d;
      border:1px solid var(--line);
    }
    .btn-ghost:hover{
      border-color:rgba(198,123,17,.38);
      background:rgba(245,165,36,.10);
      color:#6b4006;
      transform:translateY(-2px);
    }
    .article-sidebar{
      position:sticky;
      top:96px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }
    .side-card{
      background:rgba(255,250,241,.82);
      border:1px solid var(--line);
      border-radius:var(--radius-md);
      box-shadow:var(--shadow-soft);
      padding:22px;
      overflow:hidden;
    }
    .side-card.dark{
      color:#fff;
      background:
        radial-gradient(circle at 15% 12%,rgba(245,165,36,.22),transparent 38%),
        linear-gradient(145deg,var(--graphite),var(--cinema));
      border-color:rgba(255,255,255,.10);
    }
    .side-title{
      margin:0 0 14px;
      font-size:18px;
      line-height:1.35;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .side-desc{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .side-card.dark .side-desc{color:#d6cbbd}
    .quick-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .quick-list a,
    .quick-list span{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:14px;
      background:rgba(36,33,29,.04);
      border:1px solid rgba(42,36,29,.08);
      color:#3b3329;
      font-size:14px;
      font-weight:800;
      transition:var(--ease);
    }
    .quick-list a:hover{
      background:rgba(245,165,36,.13);
      border-color:rgba(245,165,36,.34);
      color:#6b4006;
      transform:translateX(3px);
    }
    .quick-list small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      margin-top:2px;
    }
    .side-tags{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:16px;
    }
    .side-tag{
      display:inline-flex;
      align-items:center;
      min-height:30px;
      padding:5px 10px;
      border-radius:999px;
      background:rgba(245,165,36,.12);
      color:#744506;
      font-size:12px;
      font-weight:900;
    }
    .related-empty{
      padding:16px;
      border-radius:16px;
      background:rgba(245,165,36,.10);
      color:#66594a;
      font-size:14px;
      line-height:1.75;
    }
    .mini-cover{
      position:relative;
      aspect-ratio:16/10;
      margin:-8px -8px 16px;
      border-radius:18px;
      overflow:hidden;
      background:#211d18;
    }
    .mini-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.88;
      transition:var(--ease);
    }
    .side-card:hover .mini-cover img{transform:scale(1.04)}
    .reading-panel{
      margin-top:28px;
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:18px;
    }
    .reading-card{
      border-radius:var(--radius-md);
      padding:24px;
      border:1px solid var(--line);
      background:rgba(255,250,241,.66);
      box-shadow:var(--shadow-soft);
    }
    .reading-card h2{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.35;
      font-weight:950;
      color:#211c16;
    }
    .reading-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
      line-height:1.85;
    }
    .reading-card strong{color:#4e320c}
    .article-cta{
      position:relative;
      margin-top:30px;
      padding:32px;
      border-radius:var(--radius-lg);
      color:#fff;
      background:
        radial-gradient(circle at 18% 25%,rgba(245,165,36,.26),transparent 36%),
        radial-gradient(circle at 90% 72%,rgba(140,199,173,.14),transparent 36%),
        linear-gradient(145deg,var(--cinema-2),var(--graphite));
      overflow:hidden;
      box-shadow:var(--shadow);
      border:1px solid rgba(255,255,255,.10);
    }
    .article-cta::after{
      content:"";
      position:absolute;
      right:-28px;
      bottom:-36px;
      width:170px;
      height:170px;
      border-radius:999px;
      border:34px solid rgba(245,165,36,.10);
      pointer-events:none;
    }
    .article-cta-content{position:relative;z-index:1}
    .article-cta h2{
      margin:0 0 10px;
      font-size:clamp(25px,3.2vw,34px);
      line-height:1.2;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .article-cta p{
      margin:0 0 20px;
      max-width:650px;
      color:#ded4c7;
      line-height:1.85;
    }
    .site-footer{
      background:#0d0d0c;
      color:#e9dfd0;
      padding:60px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .7fr .9fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.03em;
      margin-bottom:14px;
    }
    .footer-desc{
      max-width:520px;
      color:#bfb5a7;
      margin:0;
      line-height:1.85;
      font-size:14px;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#fff5e5;
      font-size:15px;
      font-weight:950;
    }
    .footer-links{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:9px;
    }
    .footer-links a,
    .footer-links span{
      color:#bfb5a7;
      font-size:14px;
      transition:var(--ease);
    }
    .footer-links a:hover{
      color:var(--amber);
      text-decoration:underline;
      text-underline-offset:4px;
    }
    .footer-bottom{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#9e9384;
      font-size:13px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .brand-text strong{max-width:250px}
      .nav-menu{
        position:fixed;
        top:76px;
        left:16px;
        right:16px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:12px;
        padding:16px;
        border-radius:22px;
        background:rgba(16,16,15,.96);
        border:1px solid rgba(255,255,255,.10);
        box-shadow:0 24px 60px rgba(0,0,0,.34);
        backdrop-filter:blur(18px);
      }
      .menu-open .nav-menu{display:flex}
      .nav-links{
        flex-direction:column;
        align-items:stretch;
        gap:8px;
      }
      .nav-links a{
        width:100%;
        justify-content:center;
        min-height:46px;
      }
      .nav-cta{width:100%;min-height:46px}
      .menu-toggle{display:flex}
      .article-layout{grid-template-columns:1fr}
      .article-sidebar{
        position:static;
        display:grid;
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .article-sidebar .side-card.dark{grid-column:1/-1}
      .reading-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .section{padding:62px 0}
      .article-hero{padding:114px 0 58px}
      .breadcrumb{
        flex-wrap:nowrap;
        overflow:auto;
        padding-bottom:4px;
      }
      .breadcrumb .current{min-width:220px}
      .article-summary{font-size:16px}
      .article-shell{padding:46px 0 68px}
      .cover-card{border-radius:22px}
      .cover-frame{aspect-ratio:16/10;border-radius:18px}
      .article-content{padding:32px 24px 38px;font-size:16px;line-height:1.88}
      .article-content h2{margin-top:36px}
      .article-sidebar{grid-template-columns:1fr}
      .article-cta{padding:26px 22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      .nav-wrap{height:70px}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      .brand-text strong{font-size:14px;max-width:190px}
      .brand-text span{font-size:11px}
      .nav-menu{top:70px;left:12px;right:12px}
      .article-hero{padding-top:104px}
      .article-title{font-size:30px}
      .article-meta{gap:8px}
      .meta-pill{font-size:12px}
      .cover-card{padding:7px}
      .play-chip{left:14px;bottom:14px}
      .article-card{border-radius:22px}
      .article-content{padding:28px 18px 34px}
      .not-found{padding:40px 18px}
      .btn-row{align-items:stretch}
      .btn-main,.btn-ghost{width:100%}
      .reading-card{padding:20px}
      .footer-brand{align-items:flex-start}
    }

/* 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}