/* roulang page: index */
:root{
      --bg: #120d0e;
      --bg-elev: #1b1517;
      --bg-soft: #241d20;
      --surface: #f2e9e1;
      --surface-2: #e7ddd4;
      --text: #f7efe8;
      --text-strong: #fff9f3;
      --text-dark: #241b1c;
      --muted: #c8b8ac;
      --muted-dark: #6e5d58;
      --line: rgba(255,255,255,.10);
      --line-dark: rgba(45,28,28,.12);
      --primary: #c98b43;
      --primary-2: #9f513f;
      --primary-strong: #e7b86b;
      --shadow: 0 18px 45px rgba(0,0,0,.24);
      --shadow-soft: 0 12px 28px rgba(0,0,0,.16);
      --radius-xl: 28px;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 12px;
      --container: 1240px;
      --space-1: 8px;
      --space-2: 12px;
      --space-3: 16px;
      --space-4: 20px;
      --space-5: 28px;
      --space-6: 36px;
      --space-7: 48px;
      --space-8: 64px;
      --space-9: 84px;
      --transition: 180ms ease;
      --transition-slow: 260ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(201,139,67,.18), transparent 22%),
        radial-gradient(circle at top right, rgba(159,81,63,.18), transparent 24%),
        linear-gradient(180deg, #171011 0%, #120d0e 46%, #0e0a0b 100%);
      color:var(--text);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(201,139,67,.3);color:var(--text-strong)}
    :focus-visible{outline:3px solid rgba(231,184,107,.85);outline-offset:3px}
    .skip-link{
      position:absolute;left:12px;top:12px;z-index:100;
      padding:10px 14px;border-radius:999px;
      background:var(--primary-strong);color:#201415;
      transform:translateY(-160%);transition:transform var(--transition);
      font-weight:700;
    }
    .skip-link:focus{transform:translateY(0)}

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;top:0;z-index:80;
      background:rgba(15,10,11,.94);
      backdrop-filter:saturate(120%);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:82px;
      display:flex;align-items:center;gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;align-items:center;gap:14px;
      min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        linear-gradient(145deg, rgba(231,184,107,.95), rgba(159,81,63,.92));
      box-shadow:0 10px 24px rgba(201,139,67,.24);
      position:relative;flex:none;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";position:absolute;border-radius:999px;background:rgba(255,255,255,.72);
    }
    .brand-mark::before{width:14px;height:14px;left:12px;top:11px}
    .brand-mark::after{width:8px;height:8px;right:11px;bottom:11px}
    .brand-text{
      display:flex;flex-direction:column;line-height:1.15;min-width:0;
    }
    .brand-title{
      font-size:1.02rem;font-weight:800;letter-spacing:.02em;
      color:var(--text-strong);
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    }
    .brand-sub{
      margin-top:4px;font-size:.8rem;color:var(--muted);
      white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
    }

    .nav-toggle{display:none}
    .nav-trigger{
      display:none;
      align-items:center;justify-content:center;
      gap:8px;
      padding:12px 16px;border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:var(--text-strong);
      background:rgba(255,255,255,.03);
      cursor:pointer;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .nav-trigger:hover{
      transform:translateY(-1px);
      border-color:rgba(231,184,107,.35);
      background:rgba(231,184,107,.08);
      box-shadow:var(--shadow-soft);
    }
    .site-nav{
      display:flex;align-items:center;gap:10px;
    }
    .site-nav a{
      position:relative;
      display:inline-flex;align-items:center;justify-content:center;
      height:46px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text-strong);
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.10);
      transform:translateY(-1px);
      box-shadow:0 10px 22px rgba(0,0,0,.18);
    }
    .site-nav a[aria-current="page"]{
      color:#201415;
      background:linear-gradient(135deg, var(--primary-strong), var(--primary));
      border-color:transparent;
      box-shadow:0 14px 28px rgba(201,139,67,.24);
    }

    .hero{
      position:relative;
      padding:28px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:calc(var(--radius-xl) + 4px);
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(22,15,16,.92), rgba(27,19,20,.86)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;inset:0;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.08), transparent 20%),
        linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.34));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);
      gap:24px;
      padding:34px;
      align-items:center;
    }
    .hero-copy{
      padding:12px 2px 12px 0;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(231,184,107,.12);
      color:#f3d7a5;
      border:1px solid rgba(231,184,107,.18);
      font-size:.86rem;
      letter-spacing:.04em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary-strong);
      box-shadow:0 0 0 5px rgba(231,184,107,.15);
    }
    h1,h2,h3,p{margin:0}
    .hero h1{
      margin-top:18px;
      font-size:clamp(2rem, 4.6vw, 3.75rem);
      line-height:1.08;
      letter-spacing:-.03em;
      color:var(--text-strong);
      font-weight:800;
      max-width:12.5em;
    }
    .hero-summary{
      margin-top:18px;
      max-width:44rem;
      color:rgba(247,239,232,.82);
      font-size:1.03rem;
    }
    .hero-actions{
      display:flex;flex-wrap:wrap;gap:12px;
      margin-top:24px;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      height:50px;padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      font-weight:700;
      letter-spacing:.01em;
      user-select:none;
    }
    .btn:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(0,0,0,.18);
    }
    .btn:active{transform:translateY(0) scale(.98)}
    .btn--primary{
      background:linear-gradient(135deg, var(--primary-strong), var(--primary));
      color:#201415;
      box-shadow:0 14px 28px rgba(201,139,67,.22);
    }
    .btn--primary:hover{box-shadow:0 16px 32px rgba(201,139,67,.28)}
    .btn--ghost{
      color:var(--text-strong);
      border-color:rgba(255,255,255,.12);
      background:rgba(255,255,255,.03);
    }
    .btn--ghost:hover{
      border-color:rgba(231,184,107,.28);
      background:rgba(231,184,107,.08);
    }
    .hero-badges{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-top:22px;
    }
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:rgba(247,239,232,.88);
      border:1px solid rgba(255,255,255,.10);
      font-size:.88rem;
    }
    .badge::before{
      content:"";
      width:7px;height:7px;border-radius:50%;
      background:var(--primary-strong);
      box-shadow:0 0 0 4px rgba(231,184,107,.12);
      flex:none;
    }

    .hero-visual{
      position:relative;
      min-height:420px;
      border-radius:24px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(0,0,0,.14));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
      isolation:isolate;
    }
    .hero-visual::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(180deg, rgba(18,13,14,.02), rgba(18,13,14,.52)),
        radial-gradient(circle at 25% 20%, rgba(255,255,255,.18), transparent 18%),
        linear-gradient(135deg, rgba(201,139,67,.08), rgba(159,81,63,.08));
      z-index:1;
    }
    .hero-visual img{
      width:100%;height:100%;
      object-fit:cover;
      transform:scale(1.03);
      filter:saturate(1.05) contrast(1.02);
    }
    .hero-visual__content{
      position:absolute;inset:0;z-index:2;
      display:flex;flex-direction:column;justify-content:flex-end;
      padding:20px;
    }
    .hero-note{
      max-width:18rem;
      padding:16px 16px 15px;
      border-radius:18px;
      background:rgba(18,13,14,.76);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:saturate(110%);
      box-shadow:var(--shadow-soft);
    }
    .hero-note strong{
      display:block;
      font-size:1rem;
      color:var(--text-strong);
      margin-bottom:6px;
    }
    .hero-note span{
      color:rgba(247,239,232,.76);
      font-size:.94rem;
    }
    .hero-float{
      position:absolute;z-index:3;
      padding:12px 14px;
      border-radius:16px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.15);
      color:var(--text-strong);
      box-shadow:0 16px 28px rgba(0,0,0,.20);
      backdrop-filter:saturate(110%);
    }
    .hero-float--one{top:16px;left:16px}
    .hero-float--two{bottom:96px;right:16px}
    .hero-float small{
      display:block;
      margin-top:4px;
      color:rgba(247,239,232,.76);
      font-size:.82rem;
    }

    .section{
      padding:var(--space-9) 0;
    }
    .section--compact{
      padding:var(--space-8) 0;
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
      margin-bottom:26px;
    }
    .section-head .title-group{max-width:760px}
    .section-kicker{
      display:inline-flex;align-items:center;
      margin-bottom:10px;
      color:#f1d7ab;
      font-size:.9rem;
      font-weight:700;
      letter-spacing:.06em;
      text-transform:none;
    }
    .section h2{
      font-size:clamp(1.7rem, 2.7vw, 2.5rem);
      line-height:1.15;
      color:var(--text-strong);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin-top:12px;
      color:rgba(247,239,232,.74);
      max-width:50rem;
      font-size:1rem;
    }

    .feature-grid{
      display:grid;
      grid-template-columns:repeat(12, minmax(0,1fr));
      gap:20px;
    }
    .feature-card{
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.10);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition-slow), border-color var(--transition), box-shadow var(--transition), background var(--transition);
      min-height:100%;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(231,184,107,.24);
      box-shadow:0 20px 38px rgba(0,0,0,.22);
    }
    .feature-card__media{
      position:relative;
      overflow:hidden;
      aspect-ratio: 16 / 9;
      background:#2a2022;
    }
    .feature-card__media img{
      width:100%;height:100%;object-fit:cover;
      transition:transform var(--transition-slow);
    }
    .feature-card:hover .feature-card__media img{
      transform:scale(1.05);
    }
    .feature-card__body{
      padding:22px;
    }
    .feature-card__meta{
      display:flex;flex-wrap:wrap;gap:8px;
      margin-bottom:12px;
    }
    .chip{
      display:inline-flex;align-items:center;
      padding:7px 10px;
      border-radius:999px;
      font-size:.82rem;
      line-height:1;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.05);
      color:rgba(247,239,232,.82);
    }
    .chip--accent{
      background:rgba(231,184,107,.14);
      color:#f2d7ae;
      border-color:rgba(231,184,107,.18);
    }
    .feature-card h3{
      font-size:1.26rem;
      line-height:1.28;
      color:var(--text-strong);
      font-weight:800;
    }
    .feature-card p{
      margin-top:10px;
      color:rgba(247,239,232,.74);
      font-size:.98rem;
    }
    .feature-card__link{
      display:inline-flex;align-items:center;gap:10px;
      margin-top:18px;
      color:#f4d6a4;
      font-weight:700;
      transition:transform var(--transition), color var(--transition);
    }
    .feature-card__link:hover{transform:translateX(3px);color:var(--primary-strong)}
    .feature-card--large{grid-column:span 7}
    .feature-stack{
      grid-column:span 5;
      display:grid;
      gap:20px;
    }
    .feature-card--small .feature-card__media{aspect-ratio: 13 / 8}
    .feature-card--small h3{font-size:1.14rem}
    .feature-card--text{
      display:flex;
      align-items:stretch;
      background:
        linear-gradient(145deg, rgba(201,139,67,.10), rgba(159,81,63,.06)),
        rgba(255,255,255,.03);
      border-style:dashed;
    }
    .feature-card--text .feature-card__body{
      display:flex;flex-direction:column;justify-content:space-between;
      min-height:100%;
      padding:24px;
    }
    .feature-quote{
      padding:18px 18px 16px;
      border-radius:18px;
      background:rgba(18,13,14,.54);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(247,239,232,.82);
      margin-top:16px;
    }
    .feature-quote strong{
      display:block;
      color:var(--text-strong);
      margin-bottom:8px;
    }

    .rhythm-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .rhythm-card{
      padding:22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .rhythm-card:hover{
      transform:translateY(-3px);
      border-color:rgba(231,184,107,.18);
      box-shadow:0 18px 32px rgba(0,0,0,.18);
    }
    .rhythm-step{
      display:inline-flex;
      align-items:center;justify-content:center;
      width:42px;height:42px;border-radius:14px;
      background:rgba(231,184,107,.14);
      color:#f3d7a8;
      font-weight:800;
      margin-bottom:16px;
      border:1px solid rgba(231,184,107,.20);
    }
    .rhythm-card h3{
      font-size:1.12rem;
      color:var(--text-strong);
      font-weight:800;
      line-height:1.25;
    }
    .rhythm-card p{
      margin-top:10px;
      color:rgba(247,239,232,.74);
      font-size:.96rem;
    }

    .news-grid{
      display:grid;
      grid-template-columns:minmax(0,1.8fr) minmax(290px,.95fr);
      gap:22px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:16px;
    }
    .news-card{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1fr) auto;
      gap:18px;
      padding:20px 20px 20px 22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .news-card::before{
      content:"";
      position:absolute;
      left:0;top:0;bottom:0;
      width:4px;
      background:linear-gradient(180deg, var(--primary-strong), var(--primary-2));
      opacity:.9;
    }
    .news-card:hover{
      transform:translateY(-3px);
      border-color:rgba(231,184,107,.22);
      box-shadow:0 20px 34px rgba(0,0,0,.20);
    }
    .news-card__main{min-width:0}
    .news-card__meta{
      display:flex;flex-wrap:wrap;gap:10px;
      margin-bottom:12px;
      align-items:center;
    }
    .news-card__time{
      color:rgba(247,239,232,.62);
      font-size:.84rem;
    }
    .news-card h3{
      font-size:1.16rem;
      line-height:1.3;
      font-weight:800;
      color:var(--text-strong);
    }
    .news-card p{
      margin-top:10px;
      color:rgba(247,239,232,.74);
      font-size:.96rem;
    }
    .news-card__action{
      display:flex;
      align-items:flex-end;
      justify-content:flex-end;
      min-width:122px;
    }
    .text-link{
      display:inline-flex;align-items:center;gap:8px;
      font-weight:800;
      color:#f3d6a7;
      white-space:nowrap;
      transition:transform var(--transition), color var(--transition);
    }
    .text-link:hover{transform:translateX(3px);color:var(--primary-strong)}
    .news-side{
      display:grid;
      gap:18px;
      position:sticky;
      top:102px;
    }
    .side-panel{
      padding:18px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
    }
    .side-panel__media{
      overflow:hidden;
      border-radius:18px;
      aspect-ratio: 4 / 3;
      margin-bottom:16px;
      background:#2a2022;
    }
    .side-panel__media img{
      width:100%;height:100%;object-fit:cover;
      transition:transform var(--transition-slow);
    }
    .side-panel:hover .side-panel__media img{transform:scale(1.04)}
    .side-panel h3{
      font-size:1.12rem;
      line-height:1.25;
      color:var(--text-strong);
      font-weight:800;
    }
    .side-panel p{
      margin-top:10px;
      color:rgba(247,239,232,.74);
      font-size:.96rem;
    }
    .side-panel ul{
      margin:14px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .side-panel li{
      display:flex;align-items:flex-start;gap:10px;
      color:rgba(247,239,232,.78);
      font-size:.94rem;
    }
    .side-panel li::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      margin-top:8px;
      background:var(--primary-strong);
      box-shadow:0 0 0 4px rgba(231,184,107,.12);
      flex:none;
    }

    .empty-state{
      display:grid;
      place-items:center;
      min-height:220px;
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px dashed rgba(255,255,255,.16);
      color:rgba(247,239,232,.82);
      text-align:center;
      box-shadow:var(--shadow-soft);
      position:relative;
      overflow:hidden;
    }
    .empty-state::before{
      content:"";
      width:78px;height:78px;border-radius:26px;
      margin-bottom:18px;
      background:
        radial-gradient(circle at 35% 30%, rgba(255,255,255,.28), transparent 22%),
        linear-gradient(135deg, rgba(231,184,107,.22), rgba(159,81,63,.18));
      border:1px solid rgba(231,184,107,.14);
      display:block;
      box-shadow:0 18px 30px rgba(0,0,0,.14);
    }
    .empty-state span{
      display:block;
      margin-top:2px;
      color:rgba(247,239,232,.62);
      font-size:.94rem;
    }

    .proof-grid{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:18px;
    }
    .proof-card{
      padding:22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
    }
    .proof-card strong{
      display:block;
      color:var(--text-strong);
      font-size:1.04rem;
      margin-bottom:8px;
    }
    .proof-card p{
      color:rgba(247,239,232,.74);
      font-size:.96rem;
    }

    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:20px 22px;
      color:var(--text-strong);
      font-weight:800;
      line-height:1.35;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary .mark{
      width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;
      background:rgba(231,184,107,.12);
      color:#f4d6a8;
      flex:none;
      transition:transform var(--transition), background var(--transition);
    }
    .faq-item[open] summary .mark{
      transform:rotate(45deg);
      background:rgba(231,184,107,.18);
    }
    .faq-content{
      padding:0 22px 20px;
      color:rgba(247,239,232,.76);
      font-size:.97rem;
    }

    .cta-panel{
      position:relative;
      overflow:hidden;
      border-radius:calc(var(--radius-xl) + 2px);
      background:
        linear-gradient(135deg, rgba(231,184,107,.16), rgba(159,81,63,.10)),
        linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.03));
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow);
      padding:30px;
    }
    .cta-panel::before{
      content:"";
      position:absolute;inset:auto -80px -90px auto;
      width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle, rgba(231,184,107,.24), transparent 68%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
      flex-wrap:wrap;
    }
    .cta-copy{
      max-width:760px;
    }
    .cta-copy h2{
      font-size:clamp(1.6rem, 2.5vw, 2.3rem);
      line-height:1.15;
      color:var(--text-strong);
      font-weight:800;
    }
    .cta-copy p{
      margin-top:12px;
      color:rgba(247,239,232,.78);
      max-width:50rem;
      font-size:1rem;
    }
    .cta-actions{
      display:flex;flex-wrap:wrap;gap:12px;
    }

    .site-footer{
      margin-top:var(--space-9);
      background:#0f0a0b;
      border-top:1px solid var(--line);
    }
    .footer-inner{
      padding:34px 0 28px;
      display:grid;
      gap:24px;
    }
    .footer-top{
      display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap;
    }
    .footer-brand{
      max-width:620px;
    }
    .footer-brand .brand-title{font-size:1.02rem}
    .footer-brand p{
      margin-top:12px;
      color:rgba(247,239,232,.68);
      font-size:.95rem;
      max-width:40rem;
    }
    .footer-links{
      display:flex;flex-wrap:wrap;gap:10px;
      justify-content:flex-end;
    }
    .footer-links a{
      display:inline-flex;align-items:center;justify-content:center;
      height:40px;padding:0 14px;border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      color:rgba(247,239,232,.78);
      background:rgba(255,255,255,.03);
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      transform:translateY(-1px);
      background:rgba(231,184,107,.08);
      border-color:rgba(231,184,107,.22);
      color:var(--text-strong);
    }
    .footer-meta{
      padding-top:18px;
      border-top:1px solid var(--line);
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:rgba(247,239,232,.54);
      font-size:.88rem;
    }

    @media (max-width: 1080px){
      .hero-grid,
      .news-grid{
        grid-template-columns:1fr;
      }
      .news-side{
        position:static;
      }
      .feature-card--large{grid-column:span 12}
      .feature-stack{grid-column:span 12;grid-template-columns:repeat(2,minmax(0,1fr));}
      .proof-grid,
      .rhythm-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
    }
    @media (max-width: 860px){
      .header-inner{min-height:74px}
      .nav-trigger{display:inline-flex}
      .site-nav{
        position:absolute;
        top:100%;
        left:0;right:0;
        display:grid;
        gap:10px;
        padding:16px 20px 20px;
        background:rgba(15,10,11,.98);
        border-bottom:1px solid var(--line);
        border-top:1px solid rgba(255,255,255,.06);
        max-height:0;
        overflow:hidden;
        opacity:0;
        transform:translateY(-8px);
        pointer-events:none;
        transition:max-height var(--transition-slow), opacity var(--transition), transform var(--transition);
      }
      .site-nav a{justify-content:flex-start;height:44px}
      .nav-toggle:checked ~ .site-nav{
        max-height:320px;
        opacity:1;
        transform:translateY(0);
        pointer-events:auto;
      }
      .hero-grid{padding:22px}
      .hero-visual{min-height:320px}
      .section{padding:56px 0}
      .section--compact{padding:48px 0}
      .feature-stack{grid-template-columns:1fr}
      .feature-card__body{padding:20px}
      .cta-panel{padding:24px}
    }
    @media (max-width: 640px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .hero{padding-top:18px}
      .hero-grid{gap:18px}
      .hero h1{max-width:none}
      .hero-actions,
      .cta-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .btn{
        width:100%;
      }
      .proof-grid,
      .rhythm-grid{
        grid-template-columns:1fr;
      }
      .feature-grid{
        gap:16px;
      }
      .feature-card--large,
      .feature-stack{
        grid-column:span 12;
      }
      .news-card{
        grid-template-columns:1fr;
      }
      .news-card__action{
        justify-content:flex-start;
        min-width:0;
      }
      .section h2,
      .cta-copy h2{
        max-width:none;
      }
      .hero-visual__content{
        padding:16px;
      }
      .hero-note{
        max-width:none;
      }
      .footer-top{
        flex-direction:column;
      }
      .footer-links{
        justify-content:flex-start;
      }
      .footer-meta{
        flex-direction:column;
      }
    }
    @media (max-width: 480px){
      .header-inner{
        gap:12px;
      }
      .brand-mark{
        width:38px;height:38px;border-radius:12px;
      }
      .brand-title{
        font-size:.96rem;
      }
      .brand-sub{
        font-size:.76rem;
      }
      .hero-shell{
        border-radius:24px;
      }
      .hero-grid{
        padding:18px;
      }
      .hero h1{
        font-size:clamp(1.9rem, 8vw, 2.4rem);
      }
      .hero-summary{
        font-size:.98rem;
      }
      .badge,.chip{
        font-size:.8rem;
      }
      .news-card,
      .feature-card__body,
      .rhythm-card,
      .proof-card,
      .faq-item summary,
      .faq-content,
      .side-panel{
        padding-left:16px;
        padding-right:16px;
      }
      .faq-item summary{
        padding-top:18px;
        padding-bottom:18px;
      }
      .cta-panel{
        padding:18px;
      }
    }

/* roulang page: article */
:root{
      --bg:#120d0e;
      --bg-elev:#1b1517;
      --bg-soft:#241d20;
      --surface:#f2e9e1;
      --surface-2:#e7ddd4;
      --surface-3:#fbf6f1;
      --text:#f7efe8;
      --text-strong:#fff9f3;
      --text-dark:#241b1c;
      --muted:#c8b8ac;
      --muted-dark:#6e5d58;
      --line:rgba(255,255,255,.10);
      --line-dark:rgba(45,28,28,.12);
      --primary:#c98b43;
      --primary-2:#9f513f;
      --primary-strong:#e7b86b;
      --shadow:0 18px 45px rgba(0,0,0,.24);
      --shadow-soft:0 12px 28px rgba(0,0,0,.16);
      --shadow-light:0 10px 22px rgba(24,16,16,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1240px;
      --space-1:8px;
      --space-2:12px;
      --space-3:16px;
      --space-4:20px;
      --space-5:28px;
      --space-6:36px;
      --space-7:48px;
      --space-8:64px;
      --space-9:84px;
      --transition:180ms ease;
      --transition-slow:260ms ease;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(201,139,67,.18), transparent 22%),
        radial-gradient(circle at top right, rgba(159,81,63,.18), transparent 24%),
        linear-gradient(180deg, #171011 0%, #120d0e 46%, #0e0a0b 100%);
      color:var(--text);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    ::selection{background:rgba(231,184,107,.32);color:var(--text-strong)}
    :focus-visible{
      outline:2px solid rgba(231,184,107,.9);
      outline-offset:3px;
      border-radius:10px;
    }

    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(15,10,11,.94);
      backdrop-filter:saturate(120%) blur(8px);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      min-height:82px;
      display:flex;
      align-items:center;
      gap:18px;
      justify-content:space-between;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:14px;
      min-width:0;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:linear-gradient(145deg, rgba(231,184,107,.95), rgba(159,81,63,.92));
      box-shadow:0 10px 24px rgba(201,139,67,.24);
      position:relative;
      flex:none;
    }
    .brand-mark::before,
    .brand-mark::after{
      content:"";
      position:absolute;
      border-radius:999px;
      background:rgba(255,255,255,.72);
    }
    .brand-mark::before{width:14px;height:14px;left:12px;top:11px}
    .brand-mark::after{width:8px;height:8px;right:11px;bottom:11px}
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.15;
      min-width:0;
    }
    .brand-title{
      font-size:1.02rem;
      font-weight:800;
      letter-spacing:.02em;
      color:var(--text-strong);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-sub{
      margin-top:4px;
      font-size:.8rem;
      color:var(--muted);
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .nav-toggle{display:none}
    .nav-trigger{
      display:none;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:12px 16px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      color:var(--text-strong);
      background:rgba(255,255,255,.03);
      cursor:pointer;
      transition:transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
    }
    .nav-trigger:hover{
      transform:translateY(-1px);
      border-color:rgba(231,184,107,.35);
      background:rgba(231,184,107,.08);
      box-shadow:var(--shadow-soft);
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .site-nav a{
      position:relative;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      height:46px;
      padding:0 16px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .site-nav a:hover,
    .site-nav a:focus-visible{
      color:var(--text-strong);
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.10);
      transform:translateY(-1px);
      box-shadow:0 10px 22px rgba(0,0,0,.18);
    }
    .site-nav a[aria-current="page"]{
      color:#201415;
      background:linear-gradient(135deg, var(--primary-strong), var(--primary));
      border-color:transparent;
      box-shadow:0 14px 28px rgba(201,139,67,.24);
    }

    .page-main{padding-bottom:72px}

    .hero{
      position:relative;
      padding:28px 0 18px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border-radius:calc(var(--radius-xl) + 4px);
      border:1px solid rgba(255,255,255,.12);
      background:
        linear-gradient(135deg, rgba(22,15,16,.92), rgba(27,19,20,.86)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.08), transparent 20%),
        linear-gradient(180deg, rgba(0,0,0,.06), rgba(0,0,0,.34));
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:minmax(0,1.06fr) minmax(320px,.94fr);
      gap:24px;
      padding:34px;
      align-items:center;
    }
    .hero-copy{padding:8px 4px 8px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      border-radius:999px;
      background:rgba(231,184,107,.12);
      color:#f3d7a5;
      border:1px solid rgba(231,184,107,.18);
      font-size:.86rem;
      letter-spacing:.04em;
    }
    .eyebrow::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary-strong);
      box-shadow:0 0 0 5px rgba(231,184,107,.15);
    }
    .hero h1{
      margin:16px 0 14px;
      font-size:clamp(2rem, 4.4vw, 3.85rem);
      line-height:1.08;
      font-weight:800;
      letter-spacing:-.02em;
      color:var(--text-strong);
      max-width:12ch;
    }
    .hero-lead{
      margin:0;
      max-width:64ch;
      font-size:1rem;
      color:rgba(247,239,232,.88);
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .info-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 14px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      color:rgba(247,239,232,.9);
      border:1px solid rgba(255,255,255,.10);
      font-size:.84rem;
      white-space:nowrap;
    }
    .info-chip strong{color:var(--text-strong);font-weight:700}
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:26px;
    }
    .btn-solid,
    .btn-ghost,
    .btn-light{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      letter-spacing:.01em;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
      user-select:none;
    }
    .btn-solid{
      color:#201415;
      background:linear-gradient(135deg, var(--primary-strong), var(--primary));
      box-shadow:0 14px 28px rgba(201,139,67,.24);
    }
    .btn-solid:hover,
    .btn-solid:focus-visible{
      color:#201415;
      transform:translateY(-1px);
      box-shadow:0 18px 34px rgba(201,139,67,.28);
    }
    .btn-solid:active{transform:translateY(1px) scale(.985)}
    .btn-ghost{
      color:var(--text-strong);
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.12);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      color:var(--text-strong);
      transform:translateY(-1px);
      border-color:rgba(231,184,107,.28);
      background:rgba(255,255,255,.07);
      box-shadow:var(--shadow-soft);
    }
    .btn-light{
      color:var(--text-dark);
      background:var(--surface);
      border-color:rgba(36,27,28,.08);
      box-shadow:var(--shadow-light);
    }
    .btn-light:hover,
    .btn-light:focus-visible{
      color:var(--text-dark);
      transform:translateY(-1px);
      box-shadow:0 14px 24px rgba(34,23,24,.12);
    }
    .trust-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .trust-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.10);
      color:rgba(247,239,232,.86);
      font-size:.83rem;
    }
    .trust-badge i{
      width:8px;height:8px;border-radius:50%;
      background:var(--primary-strong);
      box-shadow:0 0 0 4px rgba(231,184,107,.12);
      display:inline-block;
    }

    .hero-visual{
      position:relative;
      z-index:1;
    }
    .visual-card{
      overflow:hidden;
      border-radius:26px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.10);
      box-shadow:0 16px 36px rgba(0,0,0,.22);
      backdrop-filter:blur(10px);
    }
    .visual-media{
      position:relative;
      aspect-ratio: 4 / 3;
      overflow:hidden;
      background:#201516;
    }
    .visual-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.38));
      pointer-events:none;
    }
    .visual-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      transform:scale(1.02);
      transition:transform var(--transition-slow);
    }
    .visual-card:hover .visual-media img{transform:scale(1.06)}
    .visual-body{
      padding:18px 18px 20px;
    }
    .visual-title{
      margin:0;
      font-size:1.02rem;
      font-weight:800;
      color:var(--text-strong);
    }
    .visual-note{
      margin:8px 0 0;
      color:rgba(247,239,232,.82);
      font-size:.92rem;
    }
    .visual-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
      margin-top:16px;
    }
    .visual-stat{
      padding:12px 10px;
      border-radius:16px;
      background:rgba(255,255,255,.05);
      border:1px solid rgba(255,255,255,.08);
    }
    .visual-stat span{
      display:block;
      font-size:.76rem;
      color:rgba(247,239,232,.62);
    }
    .visual-stat strong{
      display:block;
      margin-top:6px;
      color:var(--text-strong);
      font-size:.94rem;
      font-weight:700;
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1.62fr) minmax(280px,.78fr);
      gap:24px;
      align-items:start;
      margin-top:18px;
    }

    .content-card,
    .sidebar-card,
    .related-card,
    .cta-panel,
    .faq-panel{
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow-light);
    }
    .content-card{
      background:var(--surface);
      color:var(--text-dark);
      border:1px solid rgba(45,28,28,.08);
      overflow:hidden;
    }
    .content-inner{
      padding:28px;
    }

    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      color:var(--muted-dark);
      font-size:.84rem;
      margin-bottom:14px;
    }
    .crumbs a{
      color:var(--text-dark);
      opacity:.86;
      transition:opacity var(--transition), color var(--transition);
    }
    .crumbs a:hover,
    .crumbs a:focus-visible{
      opacity:1;
      color:var(--primary-2);
    }
    .crumbs .split{
      color:rgba(110,93,88,.48);
    }

    .article-head{
      display:flex;
      flex-direction:column;
      gap:12px;
      margin-bottom:18px;
    }
    .section-kicker{
      display:inline-flex;
      width:max-content;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      background:rgba(201,139,67,.12);
      color:var(--primary-2);
      font-size:.82rem;
      font-weight:700;
      border:1px solid rgba(201,139,67,.16);
    }
    .article-title{
      margin:0;
      font-size:clamp(1.65rem, 2.2vw, 2.4rem);
      line-height:1.18;
      letter-spacing:-.02em;
      font-weight:800;
      color:var(--text-dark);
    }
    .article-lead{
      margin:0;
      color:var(--muted-dark);
      max-width:70ch;
      font-size:1rem;
    }
    .article-meta-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:18px 0 22px;
      padding:16px;
      border-radius:20px;
      background:linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,255,255,.92));
      border:1px solid rgba(45,28,28,.08);
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:34px;
      padding:0 12px;
      border-radius:999px;
      background:var(--surface-3);
      border:1px solid var(--line-dark);
      color:var(--text-dark);
      font-size:.84rem;
      white-space:nowrap;
    }
    .meta-pill strong{font-weight:700;color:var(--primary-2)}
    .meta-pill.tag{
      background:rgba(201,139,67,.10);
      border-color:rgba(201,139,67,.16);
      color:#5b3d2a;
    }

    .lead-figure{
      margin:0 0 22px;
      overflow:hidden;
      border-radius:24px;
      border:1px solid rgba(45,28,28,.08);
      background:#e5d9d0;
      box-shadow:0 18px 34px rgba(32,20,20,.08);
    }
    .lead-figure img{
      width:100%;
      aspect-ratio: 16 / 8.5;
      object-fit:cover;
      object-position:center;
      transition:transform var(--transition-slow);
    }
    .lead-figure:hover img{transform:scale(1.03)}

    .content-body{
      font-size:16px;
      line-height:1.82;
      color:var(--text-dark);
    }
    .content-body > *:first-child{margin-top:0}
    .content-body > *:last-child{margin-bottom:0}
    .content-body p{margin:0 0 1em}
    .content-body h2,
    .content-body h3,
    .content-body h4{
      margin:1.6em 0 .72em;
      line-height:1.25;
      letter-spacing:-.01em;
      color:var(--text-dark);
      font-weight:800;
    }
    .content-body h2{font-size:1.5rem}
    .content-body h3{font-size:1.18rem}
    .content-body h4{font-size:1.02rem}
    .content-body ul,
    .content-body ol{
      padding-left:1.25em;
      margin:0 0 1em;
    }
    .content-body li{margin:.45em 0}
    .content-body a{
      color:var(--primary-2);
      text-decoration:underline;
      text-underline-offset:3px;
      text-decoration-thickness:1px;
    }
    .content-body a:hover{color:#7a3f2f}
    .content-body blockquote{
      margin:1.2em 0;
      padding:18px 20px;
      border-left:4px solid var(--primary);
      background:rgba(201,139,67,.08);
      border-radius:16px;
      color:#5b3d2a;
    }
    .content-body hr{
      margin:1.5em 0;
      border:0;
      border-top:1px solid rgba(45,28,28,.10);
    }
    .content-body code{
      padding:.16em .42em;
      border-radius:8px;
      background:rgba(45,28,28,.06);
      color:#7a3f2f;
      font-size:.95em;
    }
    .content-body pre{
      margin:1.1em 0;
      padding:18px;
      border-radius:18px;
      background:#191213;
      color:#f7efe8;
      overflow:auto;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
    }
    .content-body pre code{
      background:transparent;
      padding:0;
      color:inherit;
    }
    .content-body figure{
      margin:1.2em 0;
    }
    .content-body img{
      border-radius:18px;
      margin:0 auto;
      max-width:100%;
      height:auto;
    }
    .content-body table{
      width:100%;
      border-collapse:collapse;
      margin:1.2em 0;
      font-size:.95rem;
      overflow:hidden;
      border-radius:16px;
      box-shadow:0 0 0 1px rgba(45,28,28,.08);
    }
    .content-body th,
    .content-body td{
      padding:12px 14px;
      border-bottom:1px solid rgba(45,28,28,.08);
      text-align:left;
    }
    .content-body th{
      background:rgba(201,139,67,.10);
      color:var(--text-dark);
      font-weight:700;
    }

    .note-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin:24px 0 22px;
    }
    .note-card{
      padding:16px;
      border-radius:18px;
      background:linear-gradient(180deg, rgba(245,238,232,.86), rgba(255,255,255,.90));
      border:1px solid rgba(45,28,28,.08);
    }
    .note-card span{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(201,139,67,.12);
      color:var(--primary-2);
      font-size:.76rem;
      font-weight:700;
      margin-bottom:10px;
    }
    .note-card p{
      margin:0;
      font-size:.92rem;
      color:var(--muted-dark);
    }

    .post-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
      padding-top:22px;
      border-top:1px solid rgba(45,28,28,.10);
    }

    .sidebar{
      position:relative;
      display:grid;
      gap:16px;
    }
    .sidebar-card{
      position:relative;
      overflow:hidden;
      background:rgba(242,233,225,.96);
      border:1px solid rgba(45,28,28,.08);
      color:var(--text-dark);
      padding:22px;
    }
    .sidebar-card.sticky{
      position:sticky;
      top:102px;
    }
    .sidebar-title{
      margin:0 0 12px;
      font-size:1.05rem;
      font-weight:800;
      color:var(--text-dark);
    }
    .sidebar-text{
      margin:0;
      color:var(--muted-dark);
      font-size:.95rem;
    }
    .quick-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .quick-link{
      display:flex;
      align-items:flex-start;
      gap:12px;
      padding:14px;
      border-radius:16px;
      background:var(--surface-3);
      border:1px solid rgba(45,28,28,.08);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition), background var(--transition);
    }
    .quick-link:hover,
    .quick-link:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(201,139,67,.24);
      box-shadow:0 12px 22px rgba(34,24,24,.08);
      background:#fffdfb;
    }
    .quick-link img{
      width:72px;
      height:54px;
      flex:none;
      border-radius:12px;
      object-fit:cover;
      object-position:center;
    }
    .quick-link strong{
      display:block;
      font-size:.95rem;
      color:var(--text-dark);
      line-height:1.35;
    }
    .quick-link span{
      display:block;
      margin-top:6px;
      color:var(--muted-dark);
      font-size:.82rem;
    }

    .mini-stats{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:10px;
      margin-top:16px;
    }
    .mini-stat{
      padding:14px;
      border-radius:16px;
      background:linear-gradient(180deg, #fff, #f7f0e8);
      border:1px solid rgba(45,28,28,.08);
    }
    .mini-stat em{
      display:block;
      font-style:normal;
      color:var(--muted-dark);
      font-size:.78rem;
    }
    .mini-stat strong{
      display:block;
      margin-top:6px;
      font-size:1rem;
      color:var(--text-dark);
    }

    .related-section{
      padding:52px 0 0;
    }
    .section-heading{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-heading h2{
      margin:0;
      font-size:clamp(1.4rem, 2vw, 2rem);
      line-height:1.18;
      font-weight:800;
      color:var(--text-strong);
    }
    .section-heading p{
      margin:0;
      color:var(--muted);
      font-size:.95rem;
      max-width:56ch;
    }
    .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .related-card{
      overflow:hidden;
      background:rgba(242,233,225,.96);
      border:1px solid rgba(45,28,28,.08);
      color:var(--text-dark);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .related-card:hover{
      transform:translateY(-2px);
      border-color:rgba(201,139,67,.22);
      box-shadow:0 18px 34px rgba(34,24,24,.12);
    }
    .related-thumb{
      position:relative;
      aspect-ratio: 16 / 10;
      overflow:hidden;
      background:#eadfd6;
    }
    .related-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      transition:transform var(--transition-slow);
    }
    .related-card:hover .related-thumb img{transform:scale(1.05)}
    .related-body{
      padding:18px;
    }
    .related-tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:0 10px;
      border-radius:999px;
      background:rgba(201,139,67,.12);
      color:var(--primary-2);
      border:1px solid rgba(201,139,67,.16);
      font-size:.76rem;
      font-weight:700;
    }
    .related-title{
      margin:10px 0 8px;
      font-size:1.05rem;
      line-height:1.45;
      font-weight:800;
    }
    .related-desc{
      margin:0;
      color:var(--muted-dark);
      font-size:.92rem;
      min-height:3.2em;
    }
    .related-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      margin-top:14px;
      font-size:.8rem;
      color:var(--muted-dark);
    }
    .related-more{
      color:var(--primary-2);
      font-weight:700;
    }

    .faq-section{
      padding:56px 0 0;
    }
    .faq-panel{
      padding:24px;
      background:rgba(242,233,225,.96);
      border:1px solid rgba(45,28,28,.08);
      color:var(--text-dark);
    }
    .faq-list{
      display:grid;
      gap:12px;
      margin-top:14px;
    }
    details.faq-item{
      background:var(--surface-3);
      border:1px solid rgba(45,28,28,.08);
      border-radius:18px;
      overflow:hidden;
      transition:border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    details.faq-item[open]{
      border-color:rgba(201,139,67,.24);
      box-shadow:0 14px 22px rgba(34,24,24,.08);
    }
    details.faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      font-weight:800;
      color:var(--text-dark);
    }
    details.faq-item summary::-webkit-details-marker{display:none}
    .faq-q{
      display:flex;
      align-items:center;
      gap:12px;
    }
    .faq-q .dot{
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 5px rgba(201,139,67,.12);
      flex:none;
    }
    .faq-arrow{
      width:34px;
      height:34px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:rgba(201,139,67,.10);
      color:var(--primary-2);
      flex:none;
      transition:transform var(--transition), background var(--transition);
    }
    details[open] .faq-arrow{transform:rotate(180deg);background:rgba(201,139,67,.16)}
    .faq-answer{
      padding:0 18px 18px 18px;
      color:var(--muted-dark);
      font-size:.95rem;
    }
    .faq-answer p{margin:0}
    .faq-note{
      margin-top:14px;
      font-size:.85rem;
      color:var(--muted-dark);
    }

    .cta-section{
      padding:56px 0 0;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(22,15,16,.96), rgba(35,24,25,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border:1px solid rgba(255,255,255,.12);
      color:var(--text-strong);
      box-shadow:var(--shadow);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.04), rgba(0,0,0,.34));
      pointer-events:none;
    }
    .cta-inner{
      position:relative;
      padding:28px;
      display:grid;
      grid-template-columns:minmax(0,1.2fr) auto;
      gap:20px;
      align-items:center;
    }
    .cta-inner h2{
      margin:0 0 10px;
      font-size:clamp(1.45rem, 2vw, 2.1rem);
      font-weight:800;
      line-height:1.2;
    }
    .cta-inner p{
      margin:0;
      color:rgba(247,239,232,.84);
      max-width:62ch;
    }
    .cta-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      justify-content:flex-end;
    }
    .btn-inverse{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 18px;
      border-radius:999px;
      background:#f4ece4;
      color:#241b1c;
      border:1px solid rgba(255,255,255,.12);
      font-weight:800;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition);
      box-shadow:0 12px 24px rgba(0,0,0,.16);
    }
    .btn-inverse:hover,
    .btn-inverse:focus-visible{
      transform:translateY(-1px);
      background:#fff;
      color:#241b1c;
    }

    .empty-state{
      padding:34px 28px 30px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg, #f8f1ea, #efe3d8);
      border:1px solid rgba(45,28,28,.08);
      color:var(--text-dark);
      text-align:center;
    }
    .empty-state h2{
      margin:0 0 10px;
      font-size:1.7rem;
      font-weight:800;
    }
    .empty-state p{
      margin:0 auto 22px;
      max-width:52ch;
      color:var(--muted-dark);
    }

    .site-footer{
      margin-top:64px;
      background:linear-gradient(180deg, #100b0c, #0b0808);
      color:var(--text);
      border-top:1px solid var(--line);
    }
    .footer-inner{
      padding:34px 0 26px;
    }
    .footer-top{
      display:flex;
      gap:24px;
      justify-content:space-between;
      align-items:flex-start;
      padding-bottom:22px;
      border-bottom:1px solid var(--line);
    }
    .footer-brand{
      max-width:560px;
    }
    .footer-brand p{
      margin:14px 0 0;
      color:var(--muted);
      font-size:.94rem;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:40px;
      padding:0 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:var(--muted);
      transition:transform var(--transition), border-color var(--transition), background var(--transition), color var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      transform:translateY(-1px);
      border-color:rgba(231,184,107,.22);
      background:rgba(231,184,107,.08);
      color:var(--text-strong);
    }
    .footer-meta{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      justify-content:space-between;
      padding-top:18px;
      color:rgba(200,184,172,.88);
      font-size:.88rem;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .article-layout,
      .cta-inner{
        grid-template-columns:1fr;
      }
      .sidebar-card.sticky{position:relative;top:auto}
      .section-heading{
        align-items:flex-start;
        flex-direction:column;
      }
      .related-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
      .note-grid{
        grid-template-columns:1fr;
      }
      .visual-grid{
        grid-template-columns:repeat(3,minmax(0,1fr));
      }
    }

    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .header-inner{
        min-height:76px;
      }
      .nav-trigger{
        display:inline-flex;
      }
      .site-nav{
        position:absolute;
        top:calc(100% + 10px);
        left:14px;
        right:14px;
        display:grid;
        gap:8px;
        padding:12px;
        border-radius:22px;
        background:rgba(15,10,11,.98);
        border:1px solid var(--line);
        box-shadow:var(--shadow);
        opacity:0;
        visibility:hidden;
        transform:translateY(-10px);
        transition:opacity var(--transition), visibility var(--transition), transform var(--transition);
      }
      .site-nav a{
        width:100%;
        justify-content:flex-start;
        height:44px;
        padding:0 16px;
      }
      .nav-toggle:checked ~ .site-nav{
        opacity:1;
        visibility:visible;
        transform:translateY(0);
      }
      .hero{
        padding-top:18px;
      }
      .hero-grid,
      .content-inner,
      .cta-inner,
      .faq-panel,
      .sidebar-card{
        padding-left:18px;
        padding-right:18px;
      }
      .hero-grid{
        padding-top:24px;
        padding-bottom:24px;
      }
      .hero h1{
        max-width:100%;
        font-size:clamp(1.9rem, 8vw, 3rem);
      }
      .related-grid{
        grid-template-columns:1fr;
      }
      .footer-top{
        flex-direction:column;
      }
      .footer-links{
        justify-content:flex-start;
      }
      .footer-meta{
        flex-direction:column;
      }
    }

    @media (max-width: 520px){
      .container{width:min(var(--container), calc(100% - 22px))}
      .brand-sub{
        display:none;
      }
      .hero-actions,
      .cta-actions,
      .post-actions{
        flex-direction:column;
        align-items:stretch;
      }
      .btn-solid,
      .btn-ghost,
      .btn-light,
      .btn-inverse{
        width:100%;
      }
      .visual-grid,
      .mini-stats{
        grid-template-columns:1fr;
      }
      .article-meta-bar,
      .hero-meta,
      .trust-row{
        gap:8px;
      }
      .article-title{
        font-size:1.5rem;
      }
      .content-body{
        font-size:15px;
      }
      .lead-figure img{
        aspect-ratio: 16 / 10;
      }
      .footer-links a{
        width:100%;
        justify-content:center;
      }
    }

/* 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}