/* roulang page: index */
:root{
      --primary:#D84F8A;
      --primary-dark:#B93670;
      --secondary:#FF8A6A;
      --text:#2A1621;
      --muted:#77606B;
      --light-muted:#9B8390;
      --bg:#FFF7F8;
      --bg-soft:#FBEAF0;
      --card:#FFFFFF;
      --card-tint:#FFF1F5;
      --border:#F1D7E1;
      --hint:#FFE2C7;
      --footer:#2A1621;
      --white:#FFFFFF;
      --shadow:0 18px 45px rgba(116, 50, 82, .12);
      --shadow-soft:0 10px 28px rgba(116, 50, 82, .09);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
      --transition:220ms ease;
      --focus:0 0 0 4px rgba(216, 79, 138, .18);
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 5% 3%, rgba(255,138,106,.18), transparent 28%),
        radial-gradient(circle at 88% 8%, rgba(216,79,138,.14), transparent 30%),
        linear-gradient(180deg, var(--bg) 0%, #fff 46%, var(--bg) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:none;
      box-shadow:var(--focus);
    }
    ::selection{background:rgba(216,79,138,.18);color:var(--text)}

    .container{
      width:min(calc(100% - 40px), var(--container));
      margin:0 auto;
    }
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border:1px solid var(--border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.78);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 18px rgba(216,79,138,.08);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(216,79,138,.1);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-title{
      font-size:clamp(28px, 4vw, 38px);
      line-height:1.22;
      letter-spacing:-.02em;
      margin-top:14px;
    }
    .section-desc{
      color:var(--muted);
      max-width:620px;
      font-size:17px;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,247,248,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(241,215,225,.86);
    }
    .nav-wrap{
      min-height:76px;
      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;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:15px;
      background:
        radial-gradient(circle at 70% 24%, #FFE2C7 0 18%, transparent 19%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 24px rgba(216,79,138,.22);
      position:relative;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:10px;bottom:10px;
      width:18px;height:7px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.82);
    }
    .brand-text{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:330px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-size:15px;
      font-weight:700;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--primary-dark);
      background:rgba(216,79,138,.09);
    }
    .nav-links a:active{transform:scale(.98)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 18px;
      border-radius:var(--radius-pill);
      background:var(--text);
      color:#fff!important;
      box-shadow:0 12px 24px rgba(42,22,33,.16);
    }
    .nav-cta:hover{background:var(--primary-dark)!important;color:#fff!important}
    .menu-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:15px;
      background:#fff;
      border:1px solid var(--border);
      position:relative;
    }
    .menu-toggle span,.menu-toggle::before,.menu-toggle::after{
      content:"";
      position:absolute;
      left:12px;
      width:20px;height:2px;
      border-radius:5px;
      background:var(--text);
      transition:var(--transition);
    }
    .menu-toggle span{top:21px}
    .menu-toggle::before{top:14px}
    .menu-toggle::after{top:28px}
    .menu-toggle.open span{opacity:0}
    .menu-toggle.open::before{top:21px;transform:rotate(45deg)}
    .menu-toggle.open::after{top:21px;transform:rotate(-45deg)}

    .hero{
      position:relative;
      padding:80px 0 34px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(255,247,248,.96), rgba(255,247,248,.68) 48%, rgba(251,234,240,.86)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.95;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:420px;height:420px;
      right:-120px;top:40px;
      border-radius:50%;
      background:rgba(216,79,138,.12);
      filter:blur(4px);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.08fr) minmax(360px, .92fr);
      gap:54px;
      align-items:center;
    }
    .hero h1{
      font-size:clamp(34px, 5.2vw, 58px);
      line-height:1.12;
      letter-spacing:-.045em;
      margin:18px 0 22px;
      max-width:780px;
    }
    .hero-lead{
      font-size:18px;
      color:var(--muted);
      max-width:720px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin:32px 0 30px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:13px 22px;
      border-radius:var(--radius-pill);
      font-weight:800;
      transition:transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
      user-select:none;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      box-shadow:0 16px 30px rgba(216,79,138,.25);
    }
    .btn-primary:hover{
      transform:translateY(-2px);
      box-shadow:0 20px 42px rgba(216,79,138,.32);
    }
    .btn-secondary{
      background:rgba(255,255,255,.82);
      color:var(--primary-dark);
      border:1px solid var(--border);
    }
    .btn-secondary:hover{
      background:var(--card-tint);
      border-color:rgba(216,79,138,.35);
      transform:translateY(-2px);
    }
    .btn:active{transform:translateY(0) scale(.98)}
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3, minmax(0, 1fr));
      gap:14px;
      max-width:650px;
    }
    .mini-stat{
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(241,215,225,.86);
      box-shadow:var(--shadow-soft);
    }
    .mini-stat strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:var(--primary-dark);
      margin-bottom:6px;
    }
    .mini-stat span{
      color:var(--muted);
      font-size:14px;
    }
    .hero-art{
      position:relative;
      min-height:520px;
    }
    .hero-collage{
      position:absolute;
      inset:0;
      border-radius:36px;
      padding:18px;
      background:linear-gradient(135deg, rgba(255,255,255,.72), rgba(255,241,245,.58));
      border:1px solid rgba(255,255,255,.72);
      box-shadow:var(--shadow);
      transform:rotate(1deg);
    }
    .hero-collage img{
      width:100%;
      height:100%;
      object-fit:cover;
      border-radius:28px;
      filter:saturate(1.02);
    }
    .floating-card{
      position:absolute;
      z-index:3;
      background:#fff;
      border:1px solid var(--border);
      border-radius:22px;
      box-shadow:var(--shadow);
      padding:18px;
      max-width:250px;
    }
    .floating-card.top{
      top:34px;
      left:-20px;
    }
    .floating-card.bottom{
      right:-18px;
      bottom:38px;
      background:#FFF8F1;
    }
    .floating-card b{display:block;margin-bottom:6px}
    .floating-card p{font-size:14px;color:var(--muted);line-height:1.55}
    .soft-label{
      display:inline-flex;
      margin-bottom:10px;
      padding:5px 10px;
      border-radius:var(--radius-pill);
      background:rgba(216,79,138,.1);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }

    .info-strip{
      margin-top:-18px;
      position:relative;
      z-index:4;
    }
    .strip-card{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:1px;
      overflow:hidden;
      border-radius:26px;
      border:1px solid var(--border);
      background:var(--border);
      box-shadow:var(--shadow-soft);
    }
    .strip-item{
      background:rgba(255,255,255,.92);
      padding:22px;
      display:flex;
      align-items:flex-start;
      gap:14px;
    }
    .line-icon{
      width:34px;height:34px;
      border-radius:13px;
      background:linear-gradient(135deg, rgba(216,79,138,.14), rgba(255,138,106,.18));
      position:relative;
      flex:0 0 auto;
    }
    .line-icon::after{
      content:"";
      position:absolute;
      left:9px;top:10px;
      width:15px;height:10px;
      border-left:2px solid var(--primary);
      border-bottom:2px solid var(--primary);
      transform:rotate(-45deg);
    }
    .strip-item b{display:block;margin-bottom:3px}
    .strip-item span{font-size:14px;color:var(--muted);line-height:1.55}

    .highlight-wrap{
      display:grid;
      grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr);
      gap:24px;
      align-items:stretch;
    }
    .feature-main{
      padding:34px;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,241,245,.92)),
        url('/assets/images/coverpic/cover-2.webp') center/cover no-repeat;
      border:1px solid var(--border);
      box-shadow:var(--shadow);
      min-height:430px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      overflow:hidden;
      position:relative;
    }
    .feature-main::after{
      content:"";
      position:absolute;
      width:190px;height:190px;
      border:32px solid rgba(216,79,138,.09);
      border-radius:50%;
      right:-50px;bottom:-50px;
    }
    .feature-main h3{
      font-size:30px;
      line-height:1.25;
      margin:14px 0;
      max-width:520px;
    }
    .feature-main p{color:var(--muted);max-width:560px}
    .feature-note{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      position:relative;
      z-index:2;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      padding:6px 11px;
      border-radius:var(--radius-pill);
      background:#fff;
      border:1px solid var(--border);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
    }
    .feature-side{
      display:grid;
      gap:18px;
    }
    .feature-card{
      padding:24px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-soft);
      display:grid;
      grid-template-columns:auto 1fr;
      gap:18px;
      align-items:start;
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .feature-card:nth-child(2){margin-left:34px}
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(216,79,138,.42);
      box-shadow:var(--shadow);
    }
    .feature-symbol{
      width:50px;height:50px;
      border-radius:18px;
      background:linear-gradient(135deg,var(--card-tint),#fff8f1);
      border:1px solid var(--border);
      position:relative;
    }
    .feature-symbol::before{
      content:"";
      position:absolute;
      inset:13px;
      border-radius:8px;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      opacity:.82;
    }
    .feature-card h3{font-size:20px;margin-bottom:6px}
    .feature-card p{color:var(--muted);font-size:15px;line-height:1.65}

    .latest{
      background:linear-gradient(180deg, rgba(251,234,240,.55), rgba(255,247,248,.1));
    }
    .content-flow{
      display:grid;
      grid-template-columns:minmax(0, 1.05fr) minmax(0, .95fr);
      gap:24px;
      align-items:start;
    }
    .article-card{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .article-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow);
      border-color:rgba(216,79,138,.42);
    }
    .article-card:hover h3{color:var(--primary-dark)}
    .article-cover{
      aspect-ratio:16/9;
      overflow:hidden;
      background:linear-gradient(135deg,var(--card-tint),#fff8f1);
    }
    .article-cover img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform 420ms ease;
    }
    .article-card:hover .article-cover img{transform:scale(1.045)}
    .article-body{padding:24px}
    .article-body h3{
      font-size:24px;
      line-height:1.35;
      margin:10px 0 10px;
      transition:color var(--transition);
    }
    .article-body p{
      color:var(--muted);
      display:-webkit-box;
      -webkit-line-clamp:3;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px;
      margin-top:18px;
      color:var(--light-muted);
      font-size:13px;
    }
    .meta .cat{
      color:var(--primary-dark);
      background:rgba(216,79,138,.1);
      border-radius:var(--radius-pill);
      padding:4px 9px;
      font-weight:800;
    }
    .list-stack{
      display:grid;
      gap:14px;
    }
    .list-card{
      display:block;
      padding:20px;
      border-radius:20px;
      border:1px solid var(--border);
      background:#fff;
      box-shadow:0 8px 22px rgba(116,50,82,.07);
      transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    }
    .list-card:hover{
      transform:translateY(-3px);
      border-color:rgba(216,79,138,.42);
      box-shadow:var(--shadow-soft);
    }
    .list-card h3{
      font-size:18px;
      line-height:1.42;
      margin:8px 0;
      transition:color var(--transition);
    }
    .list-card:hover h3{color:var(--primary-dark)}
    .list-card p{
      color:var(--muted);
      font-size:14px;
      line-height:1.65;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .empty-state{
      grid-column:1 / -1;
      padding:34px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,var(--card-tint),#fff8f1);
      border:1px solid var(--border);
      text-align:center;
      box-shadow:var(--shadow-soft);
    }
    .empty-icon{
      width:64px;height:64px;
      margin:0 auto 16px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(216,79,138,.18),rgba(255,138,106,.22));
      position:relative;
    }
    .empty-icon::after{
      content:"";
      position:absolute;
      left:19px;top:20px;
      width:26px;height:18px;
      border-radius:8px;
      border:2px solid var(--primary);
    }
    .empty-state p{color:var(--muted);margin:8px 0 18px}

    .reading{
      display:grid;
      grid-template-columns:minmax(0, .78fr) minmax(0, 1.22fr);
      gap:40px;
      align-items:start;
    }
    .reading-panel{
      position:sticky;
      top:98px;
      padding:30px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .reading-panel h2{
      font-size:32px;
      line-height:1.25;
      margin:14px 0;
    }
    .reading-panel p{color:var(--muted)}
    .steps{
      display:grid;
      gap:16px;
      position:relative;
    }
    .step{
      display:grid;
      grid-template-columns:54px 1fr;
      gap:18px;
      padding:22px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,#fff,var(--card-tint));
      border:1px solid var(--border);
      box-shadow:0 8px 20px rgba(116,50,82,.06);
    }
    .step-num{
      width:44px;height:44px;
      border-radius:var(--radius-pill);
      display:flex;
      align-items:center;
      justify-content:center;
      background:var(--text);
      color:#fff;
      font-weight:900;
      box-shadow:0 12px 20px rgba(42,22,33,.12);
    }
    .step h3{font-size:19px;margin-bottom:5px}
    .step p{color:var(--muted);font-size:15px}

    .proof-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .proof-card{
      padding:30px;
      border-radius:var(--radius-xl);
      background:#fff;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .proof-card.visual{
      min-height:330px;
      background:
        linear-gradient(180deg, rgba(42,22,33,.08), rgba(216,79,138,.18)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      display:flex;
      align-items:flex-end;
      overflow:hidden;
    }
    .proof-card.visual .caption{
      width:100%;
      padding:20px;
      border-radius:22px;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(10px);
      border:1px solid rgba(255,255,255,.66);
    }
    .proof-list{
      margin-top:18px;
      display:grid;
      gap:12px;
    }
    .proof-list li{
      list-style:none;
      padding-left:26px;
      color:var(--muted);
      position:relative;
    }
    .proof-list li::before{
      content:"";
      position:absolute;
      left:0;top:.7em;
      width:12px;height:12px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }

    .faq-grid{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:30px;
      align-items:start;
    }
    .faq-intro{
      padding:30px;
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg,var(--card-tint),#fff);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .faq-intro h2{
      font-size:34px;
      line-height:1.2;
      margin:14px 0;
    }
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--border);
      border-radius:20px;
      background:#fff;
      overflow:hidden;
      box-shadow:0 8px 20px rgba(116,50,82,.06);
    }
    .faq-question{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      padding:18px 20px;
      color:var(--text);
      font-weight:800;
      text-align:left;
    }
    .faq-question .q-dot{
      width:26px;height:26px;
      border-radius:50%;
      background:rgba(216,79,138,.11);
      color:var(--primary-dark);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      margin-right:10px;
      flex:0 0 auto;
      font-size:13px;
    }
    .faq-question span:first-child{
      display:flex;
      align-items:center;
    }
    .faq-question .plus{
      width:26px;height:26px;
      border-radius:50%;
      background:var(--card-tint);
      position:relative;
      flex:0 0 auto;
    }
    .faq-question .plus::before,.faq-question .plus::after{
      content:"";
      position:absolute;
      background:var(--primary-dark);
      left:8px;right:8px;top:12px;height:2px;
      border-radius:2px;
    }
    .faq-question .plus::after{transform:rotate(90deg)}
    .faq-item.open{background:linear-gradient(135deg,#fff,var(--card-tint))}
    .faq-item.open .plus::after{transform:rotate(0);opacity:0}
    .faq-answer{
      display:none;
      padding:0 20px 20px 56px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}

    .cta{
      padding:0 0 86px;
    }
    .cta-card{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      padding:44px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%, rgba(255,255,255,.28), transparent 24%),
        radial-gradient(circle at 86% 76%, rgba(255,226,199,.32), transparent 30%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 26px 56px rgba(216,79,138,.28);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:30px;
    }
    .cta-card h2{
      font-size:clamp(28px,4vw,42px);
      line-height:1.18;
      margin-bottom:12px;
      max-width:760px;
    }
    .cta-card p{
      color:rgba(255,255,255,.88);
      max-width:740px;
      font-size:17px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      flex:0 0 auto;
    }
    .btn-light{
      background:#fff;
      color:var(--primary-dark);
      box-shadow:0 14px 30px rgba(42,22,33,.14);
    }
    .btn-light:hover{transform:translateY(-2px);background:#fff8f1}
    .btn-ghost{
      border:1px solid rgba(255,255,255,.55);
      color:#fff;
      background:rgba(255,255,255,.12);
    }
    .btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}

    .site-footer{
      background:var(--footer);
      color:rgba(255,255,255,.82);
      padding:54px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .75fr .85fr;
      gap:34px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      font-weight:900;
      margin-bottom:16px;
    }
    .footer-brand .brand-mark{box-shadow:none}
    .footer-desc{
      max-width:520px;
      color:rgba(255,255,255,.68);
      font-size:15px;
    }
    .footer-title{
      color:#fff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,255,255,.68);
      transition:color var(--transition), transform var(--transition);
      width:max-content;
    }
    .footer-links a:hover{
      color:#FFD6E3;
      transform:translateX(2px);
    }
    .footer-note{
      padding:16px;
      border:1px solid rgba(255,255,255,.13);
      border-radius:18px;
      background:rgba(255,255,255,.06);
      color:rgba(255,255,255,.72);
      font-size:14px;
    }
    .copyright{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.11);
      color:rgba(255,255,255,.55);
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:14px;
      flex-wrap:wrap;
    }

    @media (max-width:1024px){
      .hero-grid,.highlight-wrap,.content-flow,.reading,.proof-grid,.faq-grid{
        grid-template-columns:1fr;
      }
      .hero-art{min-height:420px;max-width:620px}
      .feature-card:nth-child(2){margin-left:0}
      .reading-panel{position:static}
      .cta-card{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px), var(--container))}
      .section{padding:58px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .nav-wrap{min-height:68px}
      .brand-text{max-width:230px;font-size:16px}
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:74px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border:1px solid var(--border);
        border-radius:24px;
        background:rgba(255,255,255,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center}
      .hero{padding:52px 0 24px}
      .hero-stats{grid-template-columns:1fr}
      .hero-art{min-height:360px}
      .floating-card.top{left:8px;top:18px}
      .floating-card.bottom{right:8px;bottom:18px}
      .strip-card{grid-template-columns:1fr 1fr;border-radius:22px}
      .article-body h3{font-size:21px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .hero h1{font-size:32px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .hero-art{min-height:300px}
      .hero-collage{border-radius:26px;padding:12px}
      .hero-collage img{border-radius:20px}
      .floating-card{display:none}
      .strip-card{grid-template-columns:1fr}
      .feature-main,.proof-card,.faq-intro,.reading-panel,.cta-card{padding:24px}
      .feature-card,.step{grid-template-columns:1fr}
      .content-flow{gap:16px}
      .faq-answer{padding-left:20px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: article */
:root{
      --primary:#D84F8A;
      --primary-dark:#B93670;
      --secondary:#FF8A6A;
      --text:#2A1621;
      --muted:#77606B;
      --light-muted:#9B8390;
      --bg:#FFF7F8;
      --bg-soft:#FBEAF0;
      --card:#FFFFFF;
      --card-tint:#FFF1F5;
      --border:#F1D7E1;
      --hint:#FFE2C7;
      --footer:#2A1621;
      --white:#FFFFFF;
      --shadow:0 18px 45px rgba(116, 50, 82, .12);
      --shadow-soft:0 10px 28px rgba(116, 50, 82, .09);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1200px;
      --transition:220ms ease;
      --focus:0 0 0 4px rgba(216, 79, 138, .18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 5% 3%, rgba(255,138,106,.18), transparent 28%),
        radial-gradient(circle at 88% 8%, rgba(216,79,138,.14), transparent 30%),
        linear-gradient(180deg, var(--bg) 0%, #fff 46%, var(--bg) 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer;border:0;background:none}
    a:focus-visible,button:focus-visible,input:focus-visible{
      outline:none;
      box-shadow:var(--focus);
    }
    .container{
      width:min(calc(100% - 40px), var(--container));
      margin:0 auto;
    }
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      border:1px solid var(--border);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.78);
      color:var(--primary-dark);
      font-size:14px;
      font-weight:700;
      box-shadow:0 8px 18px rgba(216,79,138,.08);
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 5px rgba(216,79,138,.1);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:flex-end;
      margin-bottom:34px;
    }
    .section-title{
      font-size:clamp(28px, 4vw, 38px);
      line-height:1.22;
      letter-spacing:-.02em;
      margin:14px 0 0;
      font-weight:800;
    }
    .section-desc{
      color:var(--muted);
      max-width:620px;
      font-size:17px;
      margin:0;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,247,248,.86);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(241,215,225,.86);
    }
    .nav-wrap{
      min-height:76px;
      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;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      flex:0 0 auto;
      border-radius:15px;
      background:
        radial-gradient(circle at 70% 24%, #FFE2C7 0 18%, transparent 19%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 12px 24px rgba(216,79,138,.22);
      position:relative;
    }
    .brand-mark::after{
      content:"";
      position:absolute;
      left:10px;bottom:10px;
      width:18px;height:7px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.82);
    }
    .brand-text{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:330px;
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-size:15px;
      font-weight:700;
      transition:background var(--transition), color var(--transition), transform var(--transition);
    }
    .nav-links a:hover,.nav-links a.active{
      color:var(--primary-dark);
      background:rgba(216,79,138,.09);
    }
    .nav-links a:active{transform:scale(.98)}
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:11px 18px!important;
      border-radius:var(--radius-pill);
      background:var(--text);
      color:#fff!important;
      box-shadow:0 12px 24px rgba(42,22,33,.16);
    }
    .nav-cta:hover{background:var(--primary-dark)!important;color:#fff!important}
    .menu-toggle{
      display:none;
      width:44px;height:44px;
      border-radius:15px;
      background:#fff;
      border:1px solid var(--border);
      position:relative;
    }
    .menu-toggle span,.menu-toggle::before,.menu-toggle::after{
      content:"";
      position:absolute;
      left:12px;
      width:20px;height:2px;
      border-radius:5px;
      background:var(--text);
      transition:var(--transition);
    }
    .menu-toggle span{top:21px}
    .menu-toggle::before{top:14px}
    .menu-toggle::after{top:28px}
    .menu-toggle.open span{opacity:0}
    .menu-toggle.open::before{top:21px;transform:rotate(45deg)}
    .menu-toggle.open::after{top:21px;transform:rotate(-45deg)}

    .btn-soft,.btn-primary-site{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:var(--radius-pill);
      font-weight:800;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),color var(--transition),border-color var(--transition);
    }
    .btn-primary-site{
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      color:#fff;
      box-shadow:0 14px 28px rgba(216,79,138,.22);
    }
    .btn-primary-site:hover{
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 18px 38px rgba(216,79,138,.28);
    }
    .btn-soft{
      background:#fff;
      color:var(--primary-dark);
      border:1px solid var(--border);
    }
    .btn-soft:hover{
      background:var(--card-tint);
      color:var(--primary-dark);
      border-color:rgba(216,79,138,.32);
      transform:translateY(-2px);
    }
    .btn-primary-site:active,.btn-soft:active{transform:scale(.98)}

    .article-hero{
      position:relative;
      overflow:hidden;
      padding:54px 0 42px;
      background:
        linear-gradient(90deg, rgba(255,247,248,.97), rgba(255,247,248,.78) 48%, rgba(251,234,240,.9)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      border-bottom:1px solid rgba(241,215,225,.78);
    }
    .article-hero::after{
      content:"";
      position:absolute;
      right:-120px;
      top:-80px;
      width:380px;
      height:380px;
      border-radius:50%;
      background:rgba(216,79,138,.13);
      filter:blur(3px);
    }
    .breadcrumb-line{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--light-muted);
      font-size:14px;
      margin-bottom:22px;
    }
    .breadcrumb-line a{
      color:var(--muted);
      transition:color var(--transition),background var(--transition);
      padding:4px 8px;
      border-radius:var(--radius-pill);
    }
    .breadcrumb-line a:hover{
      color:var(--primary-dark);
      background:rgba(216,79,138,.08);
    }
    .article-title-card{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0, 1fr) 320px;
      gap:34px;
      align-items:stretch;
    }
    .article-title-main{
      padding:34px;
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.84);
      box-shadow:var(--shadow-soft);
      backdrop-filter:blur(10px);
    }
    .article-kicker{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      align-items:center;
      margin-bottom:18px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:var(--radius-pill);
      background:rgba(216,79,138,.09);
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      border:1px solid rgba(216,79,138,.13);
    }
    .tag.alt{
      background:rgba(255,138,106,.12);
      color:#B45136;
      border-color:rgba(255,138,106,.2);
    }
    .article-title-main h1{
      font-size:clamp(31px, 4.8vw, 52px);
      line-height:1.16;
      letter-spacing:-.035em;
      margin:0 0 18px;
      font-weight:850;
      word-break:break-word;
    }
    .article-summary{
      margin:0;
      color:var(--muted);
      font-size:18px;
      max-width:850px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:24px;
      color:var(--muted);
      font-size:14px;
    }
    .meta-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:var(--radius-pill);
      background:#fff;
      border:1px solid rgba(241,215,225,.92);
    }
    .dot{
      width:7px;
      height:7px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
    }
    .article-cover-card{
      min-height:100%;
      border-radius:var(--radius-xl);
      overflow:hidden;
      border:1px solid var(--border);
      background:var(--card);
      box-shadow:var(--shadow-soft);
      position:relative;
    }
    .article-cover-card img{
      width:100%;
      height:100%;
      min-height:330px;
      object-fit:cover;
      filter:saturate(1.04);
    }
    .cover-caption{
      position:absolute;
      left:18px;
      right:18px;
      bottom:18px;
      padding:15px 16px;
      border-radius:18px;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.7);
      box-shadow:0 12px 28px rgba(42,22,33,.12);
      color:var(--muted);
      font-size:14px;
    }
    .cover-caption strong{
      display:block;
      color:var(--text);
      font-size:16px;
      margin-bottom:2px;
    }

    .reading-wrap{
      display:grid;
      grid-template-columns:minmax(0, 820px) 320px;
      gap:38px;
      align-items:start;
    }
    .article-body-shell{
      min-width:0;
    }
    .article-content{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
      padding:42px;
      font-size:17px;
      line-height:1.86;
      word-break:break-word;
    }
    .article-content > *:first-child{margin-top:0}
    .article-content > *:last-child{margin-bottom:0}
    .article-content p{
      margin:0 0 1.25em;
      color:#402B36;
    }
    .article-content h2{
      margin:2.2em 0 .75em;
      padding-left:15px;
      border-left:5px solid var(--primary);
      font-size:clamp(24px, 3vw, 31px);
      line-height:1.32;
      font-weight:850;
      letter-spacing:-.02em;
    }
    .article-content h3{
      margin:1.9em 0 .65em;
      font-size:22px;
      line-height:1.36;
      font-weight:800;
    }
    .article-content h4{
      margin:1.6em 0 .5em;
      font-size:19px;
      font-weight:800;
    }
    .article-content a{
      color:var(--primary-dark);
      font-weight:800;
      border-bottom:1px solid rgba(216,79,138,.28);
      transition:color var(--transition),background var(--transition),border-color var(--transition);
    }
    .article-content a:hover{
      color:var(--secondary);
      border-color:rgba(255,138,106,.5);
      background:rgba(255,138,106,.08);
    }
    .article-content ul,.article-content ol{
      margin:0 0 1.35em 1.2em;
      padding:0;
    }
    .article-content li{
      margin:.35em 0;
      padding-left:.2em;
    }
    .article-content blockquote{
      margin:1.7em 0;
      padding:22px 24px;
      border-left:5px solid var(--primary);
      border-radius:0 var(--radius-lg) var(--radius-lg) 0;
      background:linear-gradient(135deg, rgba(255,241,245,.95), rgba(255,255,255,.92));
      color:#54313F;
      box-shadow:0 12px 24px rgba(216,79,138,.07);
    }
    .article-content img{
      margin:1.7em auto .65em;
      border-radius:18px;
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .article-content figure{
      margin:1.8em 0;
    }
    .article-content figcaption{
      text-align:center;
      color:var(--light-muted);
      font-size:14px;
      margin-top:10px;
    }
    .article-content hr{
      border:0;
      height:1px;
      background:linear-gradient(90deg, transparent, var(--border), transparent);
      margin:2.2em 0;
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:18px;
      margin:1.6em 0;
      background:#fff;
    }
    .article-content th,.article-content td{
      padding:13px 15px;
      border-bottom:1px solid var(--border);
      vertical-align:top;
    }
    .article-content th{
      background:var(--card-tint);
      color:var(--primary-dark);
      font-weight:800;
    }
    .article-content tr:last-child td{border-bottom:0}
    .article-content .notice,.article-content .tips,.article-content .important{
      margin:1.6em 0;
      padding:18px 20px;
      border-radius:18px;
      background:var(--hint);
      border:1px solid rgba(255,138,106,.28);
      color:#6B3C2C;
    }
    .empty-content{
      text-align:center;
      padding:58px 24px;
      border:1px dashed rgba(216,79,138,.34);
      border-radius:var(--radius-xl);
      background:linear-gradient(135deg, rgba(255,241,245,.95), rgba(255,255,255,.92));
    }
    .empty-icon{
      width:58px;
      height:58px;
      border-radius:20px;
      margin:0 auto 18px;
      background:
        radial-gradient(circle at 70% 28%, var(--hint) 0 18%, transparent 19%),
        linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 14px 30px rgba(216,79,138,.18);
    }
    .empty-content h2{
      margin:0 0 10px;
      font-size:28px;
      font-weight:850;
    }
    .empty-content p{
      margin:0 auto 24px;
      max-width:520px;
      color:var(--muted);
    }

    .article-side{
      position:sticky;
      top:98px;
      display:grid;
      gap:18px;
    }
    .side-card{
      padding:22px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.92);
      box-shadow:var(--shadow-soft);
    }
    .side-card.tinted{
      background:linear-gradient(135deg, rgba(255,241,245,.95), rgba(255,255,255,.94));
    }
    .side-title{
      display:flex;
      align-items:center;
      gap:10px;
      margin:0 0 14px;
      font-size:18px;
      font-weight:850;
    }
    .side-title::before{
      content:"";
      width:10px;height:10px;
      border-radius:50%;
      background:linear-gradient(135deg,var(--primary),var(--secondary));
      box-shadow:0 0 0 6px rgba(216,79,138,.09);
    }
    .side-card p{
      margin:0 0 16px;
      color:var(--muted);
      font-size:15px;
    }
    .side-list{
      display:grid;
      gap:12px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .side-list a{
      display:block;
      padding:12px 13px;
      border-radius:16px;
      border:1px solid rgba(241,215,225,.82);
      background:#fff;
      color:var(--text);
      font-weight:750;
      line-height:1.45;
      transition:transform var(--transition),border-color var(--transition),color var(--transition),box-shadow var(--transition);
    }
    .side-list a span{
      display:block;
      margin-top:4px;
      color:var(--light-muted);
      font-size:13px;
      font-weight:500;
    }
    .side-list a:hover{
      transform:translateY(-2px);
      border-color:rgba(216,79,138,.35);
      color:var(--primary-dark);
      box-shadow:0 12px 24px rgba(216,79,138,.09);
    }
    .guide-steps{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .guide-steps li{
      display:grid;
      grid-template-columns:34px 1fr;
      gap:12px;
      align-items:start;
    }
    .step-num{
      width:34px;height:34px;
      border-radius:var(--radius-pill);
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--card-tint);
      color:var(--primary-dark);
      font-weight:900;
      border:1px solid rgba(216,79,138,.16);
    }
    .step-text strong{
      display:block;
      line-height:1.35;
      margin-bottom:2px;
    }
    .step-text span{
      display:block;
      color:var(--muted);
      font-size:14px;
      line-height:1.55;
    }

    .after-article-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
      margin-top:24px;
    }
    .after-card{
      padding:24px;
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition);
    }
    .after-card:hover{
      transform:translateY(-3px);
      border-color:rgba(216,79,138,.35);
      box-shadow:var(--shadow);
    }
    .after-card .tag{margin-bottom:12px}
    .after-card h3{
      margin:0 0 9px;
      font-size:20px;
      font-weight:850;
    }
    .after-card p{
      margin:0 0 18px;
      color:var(--muted);
    }

    .faq-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
    }
    .faq-item{
      border:1px solid var(--border);
      border-radius:var(--radius-lg);
      background:#fff;
      box-shadow:var(--shadow-soft);
      overflow:hidden;
    }
    .faq-btn{
      width:100%;
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:18px 20px;
      text-align:left;
      color:var(--text);
      font-weight:850;
    }
    .faq-btn span{
      width:30px;height:30px;
      flex:0 0 auto;
      border-radius:50%;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      background:var(--card-tint);
      color:var(--primary-dark);
      transition:transform var(--transition),background var(--transition);
    }
    .faq-item.open .faq-btn span{
      transform:rotate(45deg);
      background:rgba(216,79,138,.14);
    }
    .faq-content{
      max-height:0;
      overflow:hidden;
      transition:max-height var(--transition);
    }
    .faq-content p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
    }

    .article-cta{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        linear-gradient(135deg, rgba(216,79,138,.95), rgba(255,138,106,.92)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      box-shadow:0 22px 48px rgba(216,79,138,.22);
    }
    .article-cta::after{
      content:"";
      position:absolute;
      right:-40px;
      bottom:-70px;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(255,255,255,.18);
    }
    .article-cta-inner{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:24px;
    }
    .article-cta h2{
      margin:0 0 8px;
      font-size:clamp(25px,3vw,34px);
      font-weight:850;
      line-height:1.24;
    }
    .article-cta p{
      margin:0;
      color:rgba(255,255,255,.88);
      max-width:680px;
    }
    .article-cta .btn-soft{
      border-color:rgba(255,255,255,.7);
      color:var(--primary-dark);
      background:#fff;
      flex:0 0 auto;
    }

    .site-footer{
      background:var(--footer);
      color:#FCECF2;
      padding:54px 0 24px;
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr 1fr;
      gap:36px;
      align-items:start;
    }
    .footer-brand{
      display:flex;
      align-items:center;
      gap:12px;
      font-weight:850;
      font-size:18px;
      margin-bottom:14px;
    }
    .footer-desc,.footer-note{
      color:#D9BAC8;
      margin:0;
      max-width:540px;
      font-size:15px;
    }
    .footer-title{
      font-weight:850;
      margin-bottom:13px;
      color:#fff;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a{
      color:#D9BAC8;
      transition:color var(--transition),transform var(--transition);
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      margin-top:36px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      color:#CBA9B8;
      font-size:14px;
    }

    @media (max-width:1024px){
      .brand-text{max-width:250px}
      .article-title-card{grid-template-columns:1fr}
      .article-cover-card img{min-height:260px;max-height:360px}
      .reading-wrap{grid-template-columns:1fr}
      .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .article-side .side-card:first-child{grid-column:1/-1}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid > div:first-child{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(calc(100% - 28px), var(--container))}
      .section{padding:58px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .section-desc{margin-top:12px}
      .nav-wrap{min-height:68px}
      .menu-toggle{display:block}
      .nav-links{
        position:absolute;
        left:14px;
        right:14px;
        top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border:1px solid var(--border);
        border-radius:22px;
        background:rgba(255,255,255,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{
        text-align:center;
        padding:12px 14px;
      }
      .nav-cta{width:100%}
      .brand-text{max-width:calc(100vw - 132px);font-size:16px}
      .article-hero{padding:34px 0 30px}
      .article-title-main{padding:24px}
      .article-summary{font-size:16px}
      .article-meta{gap:8px}
      .meta-item{font-size:13px;padding:7px 10px}
      .article-content{
        padding:26px 22px;
        font-size:16px;
        border-radius:22px;
      }
      .article-content h2{font-size:24px}
      .article-content h3{font-size:20px}
      .article-side{grid-template-columns:1fr}
      .after-article-grid{grid-template-columns:1fr}
      .faq-grid{grid-template-columns:1fr}
      .article-cta-inner{display:block}
      .article-cta .btn-soft{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .article-title-main{padding:21px}
      .article-kicker{gap:7px}
      .tag{font-size:12px;padding:6px 10px}
      .article-cover-card{display:none}
      .breadcrumb-line{font-size:13px}
      .article-content table{
        display:block;
        overflow-x:auto;
        white-space:nowrap;
      }
      .btn-soft,.btn-primary-site{width:100%}
      .article-cta{padding:26px 22px}
    }

/* 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}