/* roulang page: index */
:root{
      --primary:#8f2f61;
      --primary-dark:#682348;
      --primary-soft:rgba(143,47,97,.12);
      --secondary:#e58b43;
      --secondary-soft:rgba(229,139,67,.16);
      --ink:#231b22;
      --muted:#716372;
      --light:#fbf6ef;
      --panel:#fffaf3;
      --paper:#ffffff;
      --deep:#241520;
      --deep-2:#321c2c;
      --border:rgba(104,35,72,.14);
      --border-strong:rgba(143,47,97,.28);
      --shadow:0 20px 60px rgba(74,34,55,.12);
      --shadow-hover:0 28px 80px rgba(74,34,55,.18);
      --radius:24px;
      --radius-lg:34px;
      --container:1200px;
      --nav-height:78px;
      --transition:180ms ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(229,139,67,.12), transparent 32%),
        radial-gradient(circle at 92% 2%, rgba(143,47,97,.12), transparent 34%),
        linear-gradient(180deg,#fffaf2 0%,#fbf6ef 42%,#fff 100%);
      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;background:none;cursor:pointer}
    ::selection{background:var(--primary);color:#fff}
    :focus-visible{
      outline:3px solid rgba(229,139,67,.48);
      outline-offset:4px;
      border-radius:12px;
    }

    .container{width:min(var(--container),calc(100% - 44px));margin:0 auto}
    .section{padding:92px 0}
    .section-tight{padding:66px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:5px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 4px rgba(143,47,97,.08);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:34px;
    }
    .section-title{
      margin-top:14px;
      font-size:clamp(28px,3.2vw,40px);
      line-height:1.18;
      letter-spacing:-.03em;
      color:var(--ink);
    }
    .section-desc{
      max-width:650px;
      color:var(--muted);
      font-size:17px;
      margin-top:14px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      height:var(--nav-height);
      display:flex;
      align-items:center;
      background:rgba(255,250,243,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(104,35,72,.08);
      transition:box-shadow var(--transition), background var(--transition), border-color var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(255,250,243,.94);
      box-shadow:0 14px 40px rgba(74,34,55,.08);
      border-color:rgba(104,35,72,.14);
    }
    .nav{
      width:min(var(--container),calc(100% - 44px));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--deep);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        radial-gradient(circle at 65% 30%, rgba(255,255,255,.72), transparent 22%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 30px rgba(143,47,97,.22);
      position:relative;
      flex:none;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:15px;top:12px;
      width:0;height:0;
      border-left:12px solid #fff;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 4px rgba(0,0,0,.12));
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .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:0 16px;
      border-radius:999px;
      color:#574550;
      font-size:15px;
      font-weight:700;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,.nav-links a.active{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .nav-links a:active{transform:translateY(1px)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:16px;
      border:1px solid var(--border);
      background:#fff8f0;
      color:var(--primary-dark);
      align-items:center;
      justify-content:center;
      transition:background var(--transition), border-color var(--transition), transform var(--transition);
    }
    .menu-toggle:hover{background:var(--primary-soft);border-color:var(--border-strong)}
    .menu-toggle:active{transform:scale(.98)}
    .menu-icon,.menu-icon::before,.menu-icon::after{
      display:block;width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform var(--transition), opacity var(--transition);
    }
    .menu-icon{position:relative}
    .menu-icon::before,.menu-icon::after{content:"";position:absolute;left:0}
    .menu-icon::before{top:-7px}.menu-icon::after{top:7px}
    .menu-toggle[aria-expanded="true"] .menu-icon{background:transparent}
    .menu-toggle[aria-expanded="true"] .menu-icon::before{transform:translateY(7px) rotate(45deg)}
    .menu-toggle[aria-expanded="true"] .menu-icon::after{transform:translateY(-7px) rotate(-45deg)}

    .hero{
      position:relative;
      padding:86px 0 78px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(120deg,rgba(36,21,32,.92),rgba(56,29,48,.76) 48%,rgba(143,47,97,.2)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      z-index:-3;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -25% 30%;
      height:420px;
      background:radial-gradient(circle,rgba(229,139,67,.28),transparent 65%);
      z-index:-2;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:56px;
      align-items:center;
      min-height:610px;
    }
    .hero-copy{color:#fff}
    .hero .eyebrow{
      background:rgba(255,255,255,.12);
      color:#fff3e7;
      border:1px solid rgba(255,255,255,.16);
    }
    h1{
      margin-top:22px;
      font-size:clamp(34px,5vw,58px);
      line-height:1.13;
      letter-spacing:-.045em;
      color:#fff;
      max-width:780px;
    }
    .hero-lead{
      margin-top:22px;
      max-width:620px;
      color:rgba(255,255,255,.82);
      font-size:19px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:34px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      font-size:15px;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),#a84272);
      color:#fff;
      box-shadow:0 16px 34px rgba(143,47,97,.28);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(143,47,97,.34);background:linear-gradient(135deg,var(--primary-dark),var(--primary))}
    .btn-secondary{
      background:rgba(255,255,255,.12);
      color:#fff;
      border-color:rgba(255,255,255,.22);
    }
    .btn-secondary:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
    .btn-light{
      background:#fff;
      color:var(--primary-dark);
      border-color:rgba(255,255,255,.5);
      box-shadow:0 14px 30px rgba(52,25,38,.12);
    }
    .btn-light:hover{background:#fff3e7;transform:translateY(-2px)}
    .btn-outline{
      background:#fff8f0;
      color:var(--primary-dark);
      border-color:var(--border);
    }
    .btn-outline:hover{background:var(--primary-soft);border-color:var(--border-strong);transform:translateY(-2px)}
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:30px;
    }
    .note{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:rgba(255,255,255,.82);
      font-size:14px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.12);
    }
    .note span{
      width:8px;height:8px;border-radius:50%;
      background:var(--secondary);
      box-shadow:0 0 0 4px rgba(229,139,67,.16);
    }

    .hero-showcase{
      display:grid;
      grid-template-columns:1fr .72fr;
      gap:18px;
      align-items:stretch;
    }
    .showcase-main,.showcase-side,.mini-panel{
      border:1px solid rgba(255,255,255,.18);
      background:rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      box-shadow:0 24px 70px rgba(0,0,0,.24);
      overflow:hidden;
    }
    .showcase-main{
      min-height:470px;
      border-radius:34px;
      position:relative;
    }
    .showcase-main img{
      width:100%;
      height:100%;
      min-height:470px;
      object-fit:cover;
      filter:saturate(.96) contrast(.98);
    }
    .showcase-main::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 25%,rgba(36,21,32,.84) 100%);
    }
    .showcase-caption{
      position:absolute;
      left:24px;right:24px;bottom:24px;
      z-index:1;
      color:#fff;
    }
    .showcase-caption strong{
      display:block;
      font-size:24px;
      line-height:1.25;
      margin-top:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      min-height:28px;
      padding:4px 11px;
      border-radius:999px;
      background:var(--secondary-soft);
      color:#8a4a18;
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(229,139,67,.18);
    }
    .tag.dark{
      background:rgba(255,255,255,.14);
      color:#fff3e7;
      border-color:rgba(255,255,255,.18);
    }
    .showcase-side{
      border-radius:30px;
      padding:20px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .mini-panel{
      border-radius:24px;
      padding:18px;
      color:#fff;
      min-height:142px;
    }
    .mini-panel strong{display:block;font-size:18px;line-height:1.35;margin:12px 0 6px}
    .mini-panel p{color:rgba(255,255,255,.75);font-size:14px;line-height:1.6}
    .mini-cover{
      border-radius:24px;
      overflow:hidden;
      min-height:210px;
      position:relative;
    }
    .mini-cover img{width:100%;height:210px;object-fit:cover}
    .mini-cover::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(36,21,32,.06),rgba(36,21,32,.58));
    }

    .experience-wrap{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .experience-large{
      grid-row:span 2;
      min-height:420px;
      border-radius:var(--radius-lg);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(143,47,97,.88),rgba(36,21,32,.9)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .experience-large::after{
      content:"";
      position:absolute;
      right:-80px;bottom:-120px;
      width:330px;height:330px;
      border-radius:50%;
      background:rgba(229,139,67,.26);
      filter:blur(4px);
    }
    .experience-large h2{
      font-size:clamp(28px,3.2vw,42px);
      line-height:1.18;
      max-width:520px;
      position:relative;
      z-index:1;
    }
    .experience-large p{
      position:relative;
      z-index:1;
      margin-top:18px;
      max-width:560px;
      color:rgba(255,255,255,.8);
      font-size:17px;
    }
    .check-list{
      position:relative;
      z-index:1;
      margin-top:28px;
      display:grid;
      gap:14px;
      list-style:none;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.14);
    }
    .check-list li::before{
      content:"✓";
      flex:none;
      display:grid;
      place-items:center;
      width:24px;height:24px;
      border-radius:50%;
      background:rgba(255,255,255,.18);
      color:#ffe4c4;
      font-weight:900;
      line-height:1;
    }
    .experience-card{
      border-radius:var(--radius);
      padding:28px;
      background:rgba(255,255,255,.78);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .experience-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
    }
    .icon-bubble{
      width:48px;height:48px;
      border-radius:17px;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      margin-bottom:20px;
    }
    .experience-card h3{font-size:22px;line-height:1.25;margin-bottom:10px}
    .experience-card p{color:var(--muted);font-size:16px}

    .feature{
      background:linear-gradient(180deg,#fff,#fbf6ef);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:34px;
      align-items:center;
    }
    .feature-media{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:520px;
      box-shadow:var(--shadow);
      border:1px solid var(--border);
    }
    .feature-media img{width:100%;height:520px;object-fit:cover}
    .feature-media::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(36,21,32,.08),rgba(36,21,32,.72));
    }
    .media-label{
      position:absolute;
      left:24px;right:24px;bottom:24px;
      z-index:1;
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.14);
      backdrop-filter:blur(16px);
      border:1px solid rgba(255,255,255,.18);
      color:#fff;
    }
    .media-label strong{display:block;font-size:24px;margin-bottom:8px;line-height:1.25}
    .media-label p{color:rgba(255,255,255,.82)}
    .feature-stack{
      display:grid;
      gap:16px;
    }
    .feature-item{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:18px;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 14px 34px rgba(74,34,55,.07);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .feature-item:hover{
      transform:translateX(4px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow);
    }
    .feature-number{
      width:42px;height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:var(--secondary-soft);
      color:#9c571c;
      font-weight:900;
    }
    .feature-item h3{font-size:20px;line-height:1.35;margin-bottom:6px}
    .feature-item p{color:var(--muted);font-size:15.5px}

    .updates{
      background:
        radial-gradient(circle at 12% 20%,rgba(143,47,97,.1),transparent 30%),
        linear-gradient(180deg,#fbf6ef,#fff);
    }
    .updates-layout{
      display:grid;
      grid-template-columns:.95fr 1.25fr;
      gap:24px;
      align-items:start;
    }
    .updates-intro{
      position:sticky;
      top:calc(var(--nav-height) + 24px);
      border-radius:var(--radius-lg);
      padding:34px;
      background:var(--deep);
      color:#fff;
      overflow:hidden;
      min-height:390px;
      border:1px solid rgba(255,255,255,.1);
      box-shadow:var(--shadow);
    }
    .updates-intro::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(135deg,rgba(36,21,32,.86),rgba(104,35,72,.74)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      z-index:0;
    }
    .updates-intro>*{position:relative;z-index:1}
    .updates-intro h2{
      font-size:clamp(28px,3vw,40px);
      line-height:1.18;
      margin-top:14px;
      max-width:440px;
    }
    .updates-intro p{margin-top:16px;color:rgba(255,255,255,.78);font-size:16px}
    .updates-intro .btn{margin-top:28px}
    .updates-list{
      display:grid;
      gap:16px;
    }
    .post-card{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.86);
      border:1px solid var(--border);
      box-shadow:0 14px 36px rgba(74,34,55,.08);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .post-card:hover{
      transform:translateY(-3px);
      border-color:var(--border-strong);
      box-shadow:var(--shadow-hover);
      background:#fff;
    }
    .post-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:10px;
      color:var(--muted);
      font-size:13px;
      font-weight:700;
    }
    .post-card h3{
      font-size:21px;
      line-height:1.35;
      margin-bottom:8px;
      transition:color var(--transition);
    }
    .post-card:hover h3{color:var(--primary-dark)}
    .post-card p{
      color:var(--muted);
      font-size:15.5px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .post-link{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      width:48px;height:48px;
      border-radius:18px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-weight:900;
      transition:background var(--transition), transform var(--transition);
    }
    .post-card:hover .post-link{background:var(--primary);color:#fff;transform:translateX(2px)}
    .empty-state{
      border-radius:var(--radius-lg);
      padding:44px 28px;
      text-align:center;
      background:#fff;
      border:1px dashed var(--border-strong);
      box-shadow:var(--shadow);
    }
    .empty-icon{
      width:64px;height:64px;
      margin:0 auto 18px;
      border-radius:24px;
      display:grid;
      place-items:center;
      background:var(--secondary-soft);
      color:#9c571c;
      font-size:28px;
      font-weight:900;
    }
    .empty-state p{color:var(--muted);margin-bottom:20px}

    .gallery-row{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
    }
    .cover-card{
      position:relative;
      min-height:360px;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .cover-card img{width:100%;height:100%;min-height:360px;object-fit:cover}
    .cover-card::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(36,21,32,.03),rgba(36,21,32,.72));
    }
    .cover-content{
      position:absolute;
      left:26px;right:26px;bottom:26px;
      z-index:1;
      color:#fff;
    }
    .cover-content h3{font-size:26px;line-height:1.22;margin:12px 0 8px}
    .cover-content p{color:rgba(255,255,255,.82)}
    .proof-stack{
      display:grid;
      gap:16px;
    }
    .proof-card{
      border-radius:26px;
      padding:26px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 14px 34px rgba(74,34,55,.07);
    }
    .proof-card strong{display:block;font-size:28px;line-height:1;color:var(--primary-dark);margin-bottom:10px}
    .proof-card h3{font-size:19px;margin-bottom:8px}
    .proof-card p{color:var(--muted);font-size:15.5px}

    .steps{
      background:var(--deep);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .steps::before{
      content:"";
      position:absolute;
      inset:-20% 50% auto -10%;
      height:480px;
      background:radial-gradient(circle,rgba(229,139,67,.18),transparent 65%);
    }
    .steps .section-title{color:#fff}
    .steps .section-desc{color:rgba(255,255,255,.72)}
    .step-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:34px;
    }
    .step-card{
      padding:26px;
      border-radius:26px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      min-height:240px;
      transition:transform var(--transition), background var(--transition), border-color var(--transition);
    }
    .step-card:hover{
      transform:translateY(-3px);
      background:rgba(255,255,255,.12);
      border-color:rgba(255,255,255,.24);
    }
    .step-no{
      display:inline-grid;
      place-items:center;
      width:42px;height:42px;
      border-radius:16px;
      background:rgba(229,139,67,.18);
      color:#ffd5ad;
      font-weight:900;
      margin-bottom:22px;
    }
    .step-card h3{font-size:20px;line-height:1.32;margin-bottom:10px}
    .step-card p{color:rgba(255,255,255,.72);font-size:15.5px}

    .faq-wrap{
      display:grid;
      grid-template-columns:.82fr 1.18fr;
      gap:34px;
      align-items:start;
    }
    .faq-aside{
      border-radius:var(--radius-lg);
      padding:34px;
      background:linear-gradient(135deg,#fff,#fff3e7);
      border:1px solid var(--border);
      box-shadow:var(--shadow);
    }
    .faq-aside h2{font-size:clamp(28px,3vw,38px);line-height:1.18;margin-top:14px}
    .faq-aside p{color:var(--muted);margin-top:14px}
    .faq-list{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:22px;
      background:#fff;
      border:1px solid var(--border);
      box-shadow:0 12px 30px rgba(74,34,55,.06);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      min-height:62px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 22px;
      color:var(--ink);
      font-weight:800;
      text-align:left;
    }
    .faq-question span:last-child{
      width:30px;height:30px;
      flex:none;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:var(--primary-soft);
      color:var(--primary-dark);
      transition:transform var(--transition);
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height 240ms ease;
    }
    .faq-answer p{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15.8px;
    }

    .cta-band{
      padding:78px 0;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:36px;
      padding:44px;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:26px;
      background:
        linear-gradient(135deg,rgba(143,47,97,.94),rgba(36,21,32,.92)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:0 26px 80px rgba(74,34,55,.22);
    }
    .cta-card::after{
      content:"";
      position:absolute;
      right:-90px;top:-120px;
      width:320px;height:320px;
      border-radius:50%;
      background:rgba(229,139,67,.28);
    }
    .cta-card h2{
      position:relative;z-index:1;
      font-size:clamp(28px,3.2vw,42px);
      line-height:1.18;
      margin-bottom:12px;
    }
    .cta-card p{position:relative;z-index:1;color:rgba(255,255,255,.78);max-width:720px}
    .cta-card .btn{position:relative;z-index:1}

    .site-footer{
      background:#1e141b;
      color:rgba(255,255,255,.72);
      border-top:1px solid rgba(255,255,255,.08);
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:800;
      margin-bottom:14px;
    }
    .footer-brand .brand-mark{width:38px;height:38px;border-radius:14px}
    .footer-desc{max-width:520px;font-size:14.5px;color:rgba(255,255,255,.66)}
    .footer-col h3{
      font-size:16px;
      color:#fff;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.66);
      transition:color var(--transition), transform var(--transition);
      display:inline-flex;
      min-height:28px;
      align-items:center;
    }
    .footer-links a:hover{color:#ffd5ad;transform:translateX(3px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      font-size:13.5px;
      color:rgba(255,255,255,.52);
    }

    @media (max-width:1024px){
      .hero-grid,.feature-grid,.updates-layout,.faq-wrap{grid-template-columns:1fr}
      .hero-grid{min-height:auto}
      .hero-showcase{max-width:760px}
      .updates-intro{position:relative;top:auto;min-height:320px}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .experience-wrap{grid-template-columns:1fr}
      .experience-large{grid-row:auto}
      .gallery-row{grid-template-columns:1fr}
      .cta-card{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      :root{--nav-height:72px}
      .container,.nav{width:min(100% - 36px,var(--container))}
      .site-header{height:var(--nav-height)}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        left:18px;right:18px;top:calc(var(--nav-height) + 10px);
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:12px;
        border-radius:24px;
        background:rgba(255,250,243,.98);
        border:1px solid var(--border);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{justify-content:center;min-height:46px}
      .hero{padding:58px 0 62px}
      .hero-showcase{grid-template-columns:1fr}
      .showcase-main,.showcase-main img{min-height:360px}
      .showcase-side{display:none}
      .section{padding:64px 0}
      .section-tight{padding:50px 0}
      .section-head{display:block}
      .hero-lead,.section-desc{font-size:16px}
      .post-card{grid-template-columns:1fr}
      .post-link{width:100%;height:44px;border-radius:999px}
      .feature-media,.feature-media img{min-height:380px;height:380px}
      .footer-grid{grid-template-columns:1fr}
    }

    @media (max-width:520px){
      .container,.nav{width:min(100% - 32px,var(--container))}
      .brand-text{font-size:16px;max-width:230px}
      .hero-actions,.cta-card .btn{width:100%}
      .btn{width:100%;min-height:48px}
      .hero-notes{display:grid}
      .step-grid{grid-template-columns:1fr}
      .experience-large,.experience-card,.updates-intro,.faq-aside,.cta-card{padding:24px}
      .showcase-main,.showcase-main img{min-height:320px}
      .feature-item{grid-template-columns:1fr}
      .feature-media,.feature-media img{height:330px;min-height:330px}
      .cover-card,.cover-card img{min-height:320px}
      .footer-bottom{display:grid}
    }

/* roulang page: article */
:root{
      --primary:#8f2f61;
      --primary-dark:#682348;
      --primary-soft:rgba(143,47,97,.12);
      --secondary:#e58b43;
      --secondary-soft:rgba(229,139,67,.16);
      --ink:#231b22;
      --muted:#716372;
      --light:#fbf6ef;
      --panel:#fffaf3;
      --paper:#ffffff;
      --deep:#241520;
      --deep-2:#321c2c;
      --border:rgba(104,35,72,.14);
      --border-strong:rgba(143,47,97,.28);
      --shadow:0 20px 60px rgba(74,34,55,.12);
      --shadow-hover:0 28px 80px rgba(74,34,55,.18);
      --radius:24px;
      --radius-lg:34px;
      --container:1200px;
      --nav-height:72px;
      --transition:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 4%, rgba(229,139,67,.11), transparent 30%),
        radial-gradient(circle at 88% 8%, rgba(143,47,97,.12), transparent 34%),
        linear-gradient(180deg,#fffaf2 0%,#fbf6ef 38%,#fff 100%);
      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;background:none;cursor:pointer}
    ::selection{background:rgba(143,47,97,.2);color:var(--primary-dark)}
    :focus-visible{outline:3px solid rgba(229,139,67,.55);outline-offset:3px;border-radius:12px}
    .container{width:min(var(--container),calc(100% - 44px));margin:0 auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      min-height:30px;
      padding:5px 12px;
      border-radius:999px;
      background:var(--primary-soft);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      letter-spacing:.02em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 4px rgba(143,47,97,.08);
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:100;
      height:var(--nav-height);
      display:flex;
      align-items:center;
      background:rgba(255,250,243,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(104,35,72,.08);
      transition:box-shadow var(--transition), background var(--transition), border-color var(--transition);
    }
    .site-header.is-scrolled{
      background:rgba(255,250,243,.94);
      box-shadow:0 14px 40px rgba(74,34,55,.08);
      border-color:rgba(104,35,72,.14);
    }
    .nav{
      width:min(var(--container),calc(100% - 44px));
      margin:0 auto;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--deep);
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      background:
        radial-gradient(circle at 65% 30%, rgba(255,255,255,.72), transparent 22%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 30px rgba(143,47,97,.22);
      position:relative;
      flex:none;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:15px;top:12px;
      width:0;height:0;
      border-left:12px solid #fff;
      border-top:8px solid transparent;
      border-bottom:8px solid transparent;
      filter:drop-shadow(0 2px 4px rgba(0,0,0,.12));
    }
    .brand-text{font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .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:0 16px;
      border-radius:999px;
      color:#574550;
      font-size:15px;
      font-weight:700;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,.nav-links a.active{
      background:var(--primary-soft);
      color:var(--primary-dark);
    }
    .nav-links a:active{transform:translateY(1px)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;
      border-radius:16px;
      border:1px solid var(--border);
      background:#fff8f0;
      color:var(--primary-dark);
      align-items:center;
      justify-content:center;
      transition:background var(--transition), border-color var(--transition), transform var(--transition);
    }
    .menu-toggle:hover{background:var(--primary-soft);border-color:var(--border-strong)}
    .menu-toggle:active{transform:scale(.98)}
    .menu-icon,.menu-icon::before,.menu-icon::after{
      display:block;width:20px;height:2px;border-radius:2px;background:currentColor;transition:transform var(--transition), opacity var(--transition);
    }
    .menu-icon{position:relative}
    .menu-icon::before,.menu-icon::after{content:"";position:absolute;left:0}
    .menu-icon::before{top:-7px}
    .menu-icon::after{top:7px}
    .menu-toggle[aria-expanded="true"] .menu-icon{background:transparent}
    .menu-toggle[aria-expanded="true"] .menu-icon::before{transform:translateY(7px) rotate(45deg)}
    .menu-toggle[aria-expanded="true"] .menu-icon::after{transform:translateY(-7px) rotate(-45deg)}

    .article-hero{
      position:relative;
      padding:56px 0 70px;
      overflow:hidden;
      background:
        linear-gradient(126deg,rgba(36,21,32,.94),rgba(50,28,44,.82) 56%,rgba(143,47,97,.34)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
    }
    .article-hero::after{
      content:"";
      position:absolute;
      width:430px;height:430px;
      border-radius:50%;
      right:-120px;bottom:-190px;
      background:radial-gradient(circle,rgba(229,139,67,.34),transparent 68%);
      pointer-events:none;
    }
    .crumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:26px;
      color:rgba(255,255,255,.76);
      font-size:14px;
      position:relative;
      z-index:1;
    }
    .crumbs a{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 12px;
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      background:rgba(255,255,255,.08);
      transition:background var(--transition), border-color var(--transition), transform var(--transition);
    }
    .crumbs a:hover{
      background:rgba(255,255,255,.16);
      border-color:rgba(255,255,255,.32);
      transform:translateY(-1px);
    }
    .article-head-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1fr) 380px;
      gap:42px;
      align-items:end;
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:18px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:30px;
      padding:5px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.18);
      color:rgba(255,255,255,.9);
      font-size:13px;
      font-weight:700;
    }
    .badge.warm{
      color:#fff5e9;
      background:rgba(229,139,67,.22);
      border-color:rgba(229,139,67,.34);
    }
    .article-title{
      margin:0;
      max-width:880px;
      font-size:clamp(32px,4.3vw,54px);
      line-height:1.16;
      letter-spacing:-.045em;
      font-weight:800;
      color:#fff;
      overflow-wrap:anywhere;
    }
    .article-summary{
      max-width:760px;
      margin:20px 0 0;
      color:rgba(255,255,255,.78);
      font-size:17px;
      line-height:1.85;
    }
    .article-cover{
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 30px 80px rgba(0,0,0,.22);
      background:#2f1c2b;
      min-height:270px;
      position:relative;
    }
    .article-cover img{
      width:100%;
      height:100%;
      min-height:270px;
      object-fit:cover;
      opacity:.92;
    }
    .article-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent 40%,rgba(36,21,32,.62));
    }
    .cover-note{
      position:absolute;
      z-index:1;
      left:18px;right:18px;bottom:18px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(255,250,243,.86);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      backdrop-filter:blur(12px);
    }

    .read-shell{
      padding:72px 0 0;
    }
    .read-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) 310px;
      align-items:start;
      gap:42px;
    }
    .article-card{
      background:rgba(255,255,255,.82);
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      padding:42px;
      position:relative;
      overflow:hidden;
    }
    .article-card::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;
      height:5px;
      background:linear-gradient(90deg,var(--primary),var(--secondary));
    }
    .article-content{
      color:#30262e;
      font-size:17px;
      line-height:1.88;
      overflow-wrap:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content h2{
      margin:42px 0 16px;
      color:var(--deep);
      font-size:clamp(24px,2.4vw,32px);
      line-height:1.28;
      letter-spacing:-.025em;
      font-weight:800;
    }
    .article-content h3{
      margin:32px 0 12px;
      color:var(--primary-dark);
      font-size:22px;
      line-height:1.35;
      font-weight:800;
    }
    .article-content p{margin:0 0 20px}
    .article-content a{
      color:var(--primary-dark);
      font-weight:700;
      border-bottom:1px solid rgba(143,47,97,.25);
      transition:color var(--transition), border-color var(--transition), background var(--transition);
    }
    .article-content a:hover{
      color:var(--primary);
      border-color:var(--primary);
      background:rgba(143,47,97,.06);
    }
    .article-content ul,.article-content ol{
      margin:18px 0 24px;
      padding-left:1.4em;
    }
    .article-content li{margin:8px 0;padding-left:3px}
    .article-content blockquote{
      margin:28px 0;
      padding:22px 24px;
      border-left:5px solid var(--secondary);
      border-radius:0 20px 20px 0;
      background:linear-gradient(135deg,rgba(229,139,67,.12),rgba(143,47,97,.07));
      color:#4d3d48;
      font-weight:600;
    }
    .article-content figure{
      margin:30px 0;
      border-radius:24px;
      overflow:hidden;
      border:1px solid var(--border);
      background:var(--panel);
    }
    .article-content figcaption{
      padding:10px 14px;
      color:var(--muted);
      font-size:14px;
      text-align:center;
    }
    .article-content img{
      border-radius:22px;
      margin:26px auto;
      box-shadow:0 18px 50px rgba(74,34,55,.12);
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:26px 0;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:18px;
      background:#fff;
      font-size:15px;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid rgba(104,35,72,.1);
      vertical-align:top;
    }
    .article-content th{
      background:rgba(143,47,97,.08);
      color:var(--primary-dark);
      font-weight:800;
    }
    .article-content tr:last-child th,.article-content tr:last-child td{border-bottom:0}
    .empty-state{
      min-height:280px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      text-align:center;
      gap:14px;
      padding:34px 18px;
    }
    .empty-icon{
      width:62px;height:62px;
      border-radius:22px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,var(--primary-soft),var(--secondary-soft));
      color:var(--primary-dark);
      font-size:28px;
      font-weight:800;
    }
    .empty-state h2{
      margin:0;
      color:var(--deep);
      font-size:26px;
      font-weight:800;
    }
    .empty-state p{
      margin:0;
      color:var(--muted);
      max-width:430px;
    }
    .btn-row{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:48px;
      padding:0 22px;
      border-radius:999px;
      font-weight:800;
      border:1px solid transparent;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
    }
    .btn-primary-custom{
      color:#fff;
      background:linear-gradient(135deg,var(--primary),var(--primary-dark));
      box-shadow:0 16px 34px rgba(143,47,97,.24);
    }
    .btn-primary-custom:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 22px 48px rgba(143,47,97,.3);
    }
    .btn-secondary-custom{
      color:var(--primary-dark);
      background:#fff8f0;
      border-color:var(--border);
    }
    .btn-secondary-custom:hover{
      color:var(--primary-dark);
      background:var(--secondary-soft);
      border-color:rgba(229,139,67,.32);
      transform:translateY(-2px);
    }

    .side-stack{
      position:sticky;
      top:96px;
      display:grid;
      gap:18px;
    }
    .side-card{
      border:1px solid var(--border);
      border-radius:var(--radius);
      background:rgba(255,250,243,.84);
      box-shadow:0 16px 44px rgba(74,34,55,.08);
      padding:22px;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .side-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:var(--border-strong);
    }
    .side-card h2,.side-card h3{
      margin:0 0 12px;
      font-size:19px;
      line-height:1.35;
      font-weight:800;
      color:var(--deep);
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }
    .toc-list,.quick-list{
      list-style:none;
      padding:0;
      margin:14px 0 0;
      display:grid;
      gap:10px;
    }
    .toc-list a,.quick-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      min-height:42px;
      align-items:center;
      padding:10px 12px;
      border-radius:16px;
      color:#594653;
      background:rgba(255,255,255,.62);
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      transition:background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition);
    }
    .toc-list a:hover,.quick-list a:hover{
      color:var(--primary-dark);
      background:#fff;
      border-color:var(--border);
      transform:translateX(2px);
    }
    .mini-cover{
      margin-top:16px;
      border-radius:20px;
      overflow:hidden;
      position:relative;
      border:1px solid var(--border);
    }
    .mini-cover img{
      width:100%;
      height:156px;
      object-fit:cover;
    }
    .mini-cover span{
      position:absolute;
      left:12px;bottom:12px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(255,250,243,.88);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }

    .guide-strip{
      margin-top:48px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:stretch;
    }
    .guide-panel{
      border-radius:var(--radius-lg);
      padding:30px;
      border:1px solid var(--border);
      background:
        linear-gradient(135deg,rgba(255,255,255,.88),rgba(255,250,243,.76)),
        radial-gradient(circle at 90% 10%,rgba(229,139,67,.14),transparent 42%);
      box-shadow:var(--shadow);
    }
    .guide-panel h2{
      margin:12px 0 12px;
      font-size:clamp(26px,3vw,36px);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .guide-panel p{
      margin:0;
      color:var(--muted);
      font-size:16px;
    }
    .step-list{
      display:grid;
      gap:14px;
      margin-top:22px;
    }
    .step-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px;
      border-radius:20px;
      background:#fff;
      border:1px solid rgba(104,35,72,.1);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .step-item:hover{
      transform:translateY(-2px);
      border-color:var(--border-strong);
      box-shadow:0 16px 34px rgba(74,34,55,.08);
    }
    .step-num{
      width:34px;height:34px;
      flex:none;
      display:grid;
      place-items:center;
      border-radius:13px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,var(--secondary),var(--primary));
      box-shadow:0 10px 22px rgba(229,139,67,.22);
    }
    .step-item strong{
      display:block;
      color:var(--deep);
      margin-bottom:2px;
      font-size:16px;
    }
    .step-item span{
      color:var(--muted);
      font-size:14px;
    }
    .notice-card{
      border-radius:var(--radius-lg);
      overflow:hidden;
      min-height:100%;
      background:var(--deep);
      color:#fff;
      position:relative;
      box-shadow:var(--shadow);
    }
    .notice-card img{
      width:100%;
      height:100%;
      min-height:360px;
      object-fit:cover;
      opacity:.58;
    }
    .notice-card .notice-content{
      position:absolute;
      inset:auto 24px 24px 24px;
      padding:20px;
      border-radius:22px;
      background:rgba(36,21,32,.72);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.16);
    }
    .notice-card h3{
      margin:0 0 8px;
      font-size:22px;
      font-weight:800;
    }
    .notice-card p{
      margin:0;
      color:rgba(255,255,255,.76);
      font-size:15px;
    }

    .related-section{
      padding:70px 0 88px;
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:28px;
      margin-bottom:30px;
    }
    .section-title{
      margin:14px 0 0;
      font-size:clamp(28px,3.2vw,40px);
      line-height:1.18;
      letter-spacing:-.03em;
      color:var(--ink);
      font-weight:800;
    }
    .section-desc{
      max-width:650px;
      color:var(--muted);
      font-size:17px;
      margin:14px 0 0;
    }
    .related-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
    }
    .related-card{
      border:1px solid var(--border);
      background:rgba(255,255,255,.84);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .related-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:var(--border-strong);
    }
    .related-card.large{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      min-height:286px;
    }
    .related-media{
      min-height:220px;
      background:var(--deep);
      position:relative;
      overflow:hidden;
    }
    .related-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      opacity:.9;
      transition:transform 360ms ease;
    }
    .related-card:hover .related-media img{transform:scale(1.04)}
    .related-media::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg,transparent,rgba(36,21,32,.32));
    }
    .related-body{
      padding:26px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      width:max-content;
      min-height:28px;
      padding:4px 10px;
      border-radius:999px;
      background:var(--secondary-soft);
      color:#92501e;
      font-weight:800;
      font-size:13px;
      margin-bottom:12px;
    }
    .related-body h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.32;
      font-weight:800;
      color:var(--deep);
    }
    .related-body p{
      margin:0 0 18px;
      color:var(--muted);
      font-size:15px;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--primary-dark);
      font-weight:900;
      width:max-content;
      transition:gap var(--transition), color var(--transition);
    }
    .text-link:hover{gap:12px;color:var(--primary)}
    .related-list{
      display:grid;
      gap:16px;
    }
    .compact-card{
      padding:22px;
      border:1px solid var(--border);
      background:rgba(255,250,243,.84);
      border-radius:var(--radius);
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .compact-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow);
      border-color:var(--border-strong);
    }
    .compact-card h3{
      margin:0 0 8px;
      font-size:19px;
      line-height:1.35;
      font-weight:800;
      color:var(--deep);
    }
    .compact-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:15px;
    }
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px 14px;
      color:#857582;
      font-size:13px;
      font-weight:700;
    }

    .faq-section{
      padding:78px 0;
      background:linear-gradient(180deg,rgba(251,246,239,.3),rgba(255,250,243,.88));
      border-top:1px solid rgba(104,35,72,.08);
      border-bottom:1px solid rgba(104,35,72,.08);
    }
    .faq-list{
      display:grid;
      gap:14px;
      max-width:920px;
      margin:0 auto;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:22px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 14px 36px rgba(74,34,55,.06);
    }
    .faq-question{
      width:100%;
      min-height:60px;
      padding:18px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:var(--deep);
      font-size:17px;
      font-weight:800;
      text-align:left;
    }
    .faq-question span:last-child{
      width:28px;height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--primary-soft);
      color:var(--primary-dark);
      flex:none;
      transition:transform var(--transition);
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-answer{
      display:none;
      padding:0 22px 20px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}

    .cta-band{
      margin:78px 0 0;
      border-radius:var(--radius-lg);
      padding:34px;
      color:#fff;
      background:
        linear-gradient(120deg,rgba(104,35,72,.96),rgba(143,47,97,.86),rgba(229,139,67,.72)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:0 28px 80px rgba(104,35,72,.22);
      overflow:hidden;
      position:relative;
    }
    .cta-band::after{
      content:"";
      position:absolute;
      width:260px;height:260px;
      right:-70px;top:-90px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .cta-inner h2{
      margin:0 0 8px;
      font-size:clamp(26px,3vw,38px);
      line-height:1.18;
      font-weight:800;
      letter-spacing:-.03em;
    }
    .cta-inner p{
      margin:0;
      max-width:650px;
      color:rgba(255,255,255,.78);
    }
    .cta-inner .btn-secondary-custom{
      background:rgba(255,255,255,.94);
      border-color:rgba(255,255,255,.4);
      color:var(--primary-dark);
      flex:none;
    }

    .site-footer{
      background:var(--deep);
      color:rgba(255,255,255,.78);
      padding:58px 0 28px;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .55fr .65fr;
      gap:38px;
      padding-bottom:34px;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-size:18px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-desc{
      max-width:520px;
      margin:0;
      color:rgba(255,255,255,.68);
      font-size:14px;
      line-height:1.8;
    }
    .footer-col h3{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
      font-weight:800;
    }
    .footer-links{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      font-size:14px;
      transition:color var(--transition), transform var(--transition);
      display:inline-block;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.1);
      color:rgba(255,255,255,.52);
      font-size:13px;
    }

    @media (max-width:1024px){
      .article-head-grid,.read-layout,.guide-strip,.related-grid{grid-template-columns:1fr}
      .article-cover{max-width:560px}
      .side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .related-card.large{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      :root{--nav-height:68px}
      .container,.nav{width:calc(100% - 36px)}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;
        top:calc(var(--nav-height) + 10px);
        left:18px;
        right:18px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        padding:12px;
        border-radius:22px;
        background:rgba(255,250,243,.96);
        border:1px solid var(--border);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{justify-content:center;width:100%;min-height:46px}
      .brand-text{font-size:16px;max-width:210px}
      .article-hero{padding:38px 0 54px}
      .article-summary{font-size:16px}
      .article-card{padding:30px 24px;border-radius:26px}
      .article-content{font-size:16px;line-height:1.84}
      .side-stack{grid-template-columns:1fr}
      .section,.faq-section{padding:58px 0}
      .related-section{padding:56px 0 68px}
      .section-head{display:block}
      .guide-panel{padding:24px}
      .notice-card img{min-height:310px}
      .cta-inner{display:block}
      .cta-inner .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom{flex-direction:column;gap:8px}
    }
    @media (max-width:520px){
      .container,.nav{width:calc(100% - 32px)}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .brand-mark::after{left:14px;top:11px}
      .brand-text{max-width:178px}
      .article-title{font-size:31px}
      .article-cover,.article-cover img{min-height:220px}
      .article-card{padding:28px 20px}
      .article-content table{display:block;overflow-x:auto;white-space:nowrap}
      .btn-row,.btn{width:100%}
      .related-body,.compact-card,.side-card{padding:20px}
      .cta-band{padding:26px 22px;border-radius:28px}
    }

/* 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}