/* roulang page: index */
:root{
      --rose:#b96f79;
      --rose-dark:#8d4c57;
      --rose-soft:#f7e2e4;
      --peach:#f7c9ad;
      --peach-soft:#fff0e6;
      --berry:#8c658f;
      --cocoa:#3d3130;
      --text:#493f3d;
      --muted:#7f7170;
      --light:#fffaf7;
      --mist:#f9f1ef;
      --line:#ead9d5;
      --white:#ffffff;
      --shadow:0 18px 45px rgba(140, 86, 78, .13);
      --shadow-hover:0 24px 60px rgba(140, 86, 78, .20);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .28s ease;
    }

    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(247,201,173,.28), transparent 30%),
        radial-gradient(circle at 90% 10%, rgba(185,111,121,.18), transparent 28%),
        linear-gradient(180deg,#fffaf7 0%,#fff7f3 46%,#fffaf7 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer;background:none}
    ::selection{background:rgba(185,111,121,.22)}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:86px 0}
    .section-tight{padding:64px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 13px;border-radius:999px;
      background:rgba(247,226,228,.86);
      border:1px solid rgba(185,111,121,.18);
      color:var(--rose-dark);font-size:14px;font-weight:700;
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 0 0 5px rgba(185,111,121,.10);
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:32px;margin-bottom:34px;
    }
    .section-head h2{
      font-size:clamp(28px,4vw,38px);
      line-height:1.24;color:var(--cocoa);letter-spacing:-.02em;margin-top:14px;
    }
    .section-head p{max-width:540px;color:var(--muted);font-size:16px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:13px 22px;border-radius:999px;
      font-weight:800;transition:var(--ease);white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--rose),var(--rose-dark));
      color:#fff;box-shadow:0 14px 28px rgba(185,111,121,.28);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 34px rgba(185,111,121,.36)}
    .btn-secondary{
      color:var(--rose-dark);background:rgba(255,255,255,.72);
      border-color:rgba(185,111,121,.22);
      box-shadow:0 10px 24px rgba(125,80,70,.08);
    }
    .btn-secondary:hover{transform:translateY(-3px);border-color:rgba(185,111,121,.45);background:#fff}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
      outline:3px solid rgba(185,111,121,.24);outline-offset:3px;
    }
    .btn:active{transform:translateY(0);box-shadow:none}
    .tag{
      display:inline-flex;align-items:center;border-radius:999px;
      padding:6px 12px;background:var(--peach-soft);
      color:var(--rose-dark);font-size:13px;font-weight:700;
      border:1px solid rgba(185,111,121,.12);
    }

    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(145%) blur(16px);
      background:rgba(255,250,247,.82);
      border-bottom:1px solid rgba(234,217,213,.68);
    }
    .nav{
      height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;color:var(--cocoa);
      letter-spacing:-.03em;min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 34% 28%, #fff 0 10%, transparent 12%),
        linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 12px 26px rgba(185,111,121,.25);
      position:relative;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:9px;border-radius:999px;
      border:1.5px solid rgba(255,255,255,.78);
      transform:rotate(-18deg);
    }
    .brand span{font-size:18px}
    .nav-links{
      display:flex;align-items:center;gap:8px;
      padding:7px;background:rgba(255,255,255,.60);
      border:1px solid rgba(234,217,213,.7);border-radius:999px;
    }
    .nav-link{
      padding:9px 15px;border-radius:999px;color:#655755;font-size:14px;font-weight:750;
      transition:var(--ease);position:relative;
    }
    .nav-link:hover,.nav-link.active{color:var(--rose-dark);background:rgba(247,226,228,.72)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:15px;
      border:1px solid var(--line);background:#fff;color:var(--rose-dark);
    }
    .menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{
      display:block;width:18px;height:2px;background:currentColor;border-radius:99px;margin:auto;content:"";
      transition:var(--ease);
    }
    .menu-toggle i:before{transform:translateY(-7px)}
    .menu-toggle i:after{transform:translateY(5px)}
    body.menu-open .menu-toggle i{background:transparent}
    body.menu-open .menu-toggle i:before{transform:rotate(45deg)}
    body.menu-open .menu-toggle i:after{transform:rotate(-45deg) translate(1px,-1px)}

    .hero{
      padding:72px 0 42px;position:relative;
    }
    .hero:before{
      content:"";position:absolute;inset:0 0 auto 0;height:520px;z-index:-1;
      background:
        linear-gradient(120deg,rgba(255,250,247,.72),rgba(255,240,230,.65)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      opacity:.78;
      mask-image:linear-gradient(#000 70%,transparent 100%);
    }
    .hero-grid{
      display:grid;grid-template-columns:1.03fr .97fr;gap:56px;align-items:center;
    }
    .hero-copy{padding:26px 0}
    .hero h1{
      font-size:clamp(38px,5.4vw,58px);
      line-height:1.16;color:var(--cocoa);letter-spacing:-.045em;margin:18px 0 22px;
    }
    .hero h1 strong{
      color:var(--rose-dark);
      background:linear-gradient(180deg,transparent 58%,rgba(247,201,173,.42) 0);
    }
    .hero-subtitle{
      font-size:18px;color:#675957;max-width:660px;line-height:1.9;
    }
    .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 24px}
    .trust-points{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;
    }
    .trust-points span{
      display:inline-flex;align-items:center;gap:8px;color:#6d5d5a;font-size:14px;
      padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.72);
      border:1px solid rgba(234,217,213,.65);
    }
    .trust-points span:before{
      content:"";width:6px;height:6px;border-radius:50%;background:var(--rose);
    }

    .visual-panel{
      position:relative;min-height:560px;border-radius:38px;padding:18px;
      background:linear-gradient(145deg,rgba(255,255,255,.78),rgba(255,240,230,.64));
      border:1px solid rgba(234,217,213,.92);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .visual-panel:before{
      content:"";position:absolute;width:310px;height:310px;border-radius:50%;
      background:radial-gradient(circle,rgba(185,111,121,.26),transparent 66%);
      right:-80px;top:-70px;
    }
    .visual-panel:after{
      content:"";position:absolute;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle,rgba(247,201,173,.35),transparent 68%);
      left:-90px;bottom:-70px;
    }
    .hero-image{
      height:330px;border-radius:30px;overflow:hidden;position:relative;
      border:1px solid rgba(255,255,255,.72);box-shadow:0 20px 45px rgba(113,70,63,.18);
      z-index:1;
    }
    .hero-image img{width:100%;height:100%;object-fit:cover}
    .hero-image .image-label{
      position:absolute;left:18px;bottom:18px;right:18px;
      display:flex;flex-wrap:wrap;gap:8px;
    }
    .image-label .tag{background:rgba(255,250,247,.86);backdrop-filter:blur(10px)}
    .dashboard{
      position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px;
    }
    .dash-card{
      padding:20px;border-radius:24px;background:rgba(255,255,255,.76);
      border:1px solid rgba(234,217,213,.78);box-shadow:0 12px 26px rgba(121,75,68,.08);
    }
    .dash-card.wide{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .dash-card small{display:block;color:var(--muted);font-weight:700;margin-bottom:6px}
    .dash-card b{font-size:22px;color:var(--rose-dark)}
    .dash-card p{font-size:14px;color:#6b5d5a;line-height:1.65}
    .progress{
      height:9px;background:#f2dfdb;border-radius:999px;overflow:hidden;margin-top:10px;
    }
    .progress span{display:block;height:100%;width:68%;border-radius:999px;background:linear-gradient(90deg,var(--rose),var(--peach))}
    .hero-badges{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px;
    }
    .mini-badge{
      background:rgba(255,255,255,.72);border:1px solid rgba(234,217,213,.8);
      border-radius:22px;padding:18px 20px;box-shadow:0 10px 26px rgba(112,74,70,.07);
    }
    .mini-badge strong{display:block;color:var(--cocoa);font-size:20px}
    .mini-badge span{font-size:13px;color:var(--muted)}

    .scenario-strip{
      display:grid;grid-template-columns:1.1fr .9fr 1fr .95fr;gap:14px;
    }
    .scenario-item{
      border:1px solid var(--line);background:rgba(255,255,255,.68);
      border-radius:22px;padding:22px;transition:var(--ease);
    }
    .scenario-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(185,111,121,.36)}
    .icon{
      width:42px;height:42px;border-radius:16px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--rose-soft),var(--peach-soft));
      color:var(--rose-dark);font-weight:900;margin-bottom:14px;
    }
    .scenario-item h3{font-size:18px;color:var(--cocoa);margin-bottom:7px}
    .scenario-item p{font-size:14px;color:var(--muted);line-height:1.75}

    .focus-grid{
      display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:22px;align-items:stretch;
    }
    .focus-large{
      min-height:560px;border-radius:var(--radius-xl);padding:34px;
      background:
        linear-gradient(180deg,rgba(61,49,48,.18),rgba(61,49,48,.64)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
      color:#fff;display:flex;flex-direction:column;justify-content:flex-end;
      position:relative;overflow:hidden;box-shadow:var(--shadow);
    }
    .focus-large:before{
      content:"";position:absolute;inset:24px;border:1px solid rgba(255,255,255,.28);
      border-radius:24px;pointer-events:none;
    }
    .focus-large .tag{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.26);backdrop-filter:blur(8px)}
    .focus-large h2{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:18px 0 14px;position:relative}
    .focus-large p{position:relative;color:rgba(255,255,255,.86);max-width:560px;font-size:16px}
    .focus-list{display:grid;gap:16px}
    .focus-card{
      padding:24px;border-radius:24px;background:rgba(255,255,255,.74);
      border:1px solid rgba(234,217,213,.86);
      transition:var(--ease);display:grid;grid-template-columns:auto 1fr;gap:16px;
    }
    .focus-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(185,111,121,.40)}
    .focus-card h3{font-size:20px;color:var(--cocoa);margin-bottom:6px}
    .focus-card p{font-size:14px;color:var(--muted);line-height:1.76}
    .text-link{
      display:inline-flex;align-items:center;gap:6px;margin-top:10px;
      color:var(--rose-dark);font-weight:800;font-size:14px;
      background:linear-gradient(180deg,transparent 64%,rgba(247,201,173,.38) 0);
    }
    .text-link:hover{color:var(--berry)}

    .steps-wrap{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch;
    }
    .steps{
      border-radius:var(--radius-xl);background:#fff;border:1px solid var(--line);
      padding:32px;box-shadow:var(--shadow);
    }
    .step-item{
      display:grid;grid-template-columns:68px 1fr;gap:20px;position:relative;padding:0 0 34px;
    }
    .step-item:not(:last-child):after{
      content:"";position:absolute;left:33px;top:70px;bottom:10px;width:1px;
      background:linear-gradient(var(--rose-soft),var(--peach));
    }
    .step-no{
      width:68px;height:68px;border-radius:24px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--rose),var(--peach));
      color:#fff;font-size:22px;font-weight:900;box-shadow:0 14px 26px rgba(185,111,121,.24);
    }
    .step-item h3{font-size:22px;color:var(--cocoa);margin-bottom:8px}
    .step-item p{color:var(--muted)}
    .feature-card{
      border-radius:var(--radius-xl);padding:30px;
      background:linear-gradient(145deg,#fff4ed,#fff);
      border:1px solid rgba(185,111,121,.18);
      box-shadow:var(--shadow);display:flex;flex-direction:column;justify-content:space-between;gap:22px;
    }
    .feature-card img{
      border-radius:24px;height:230px;width:100%;object-fit:cover;border:1px solid rgba(255,255,255,.8);
    }
    .feature-card h3{font-size:26px;color:var(--cocoa);line-height:1.3;margin:14px 0 8px}
    .feature-card p{color:var(--muted)}
    .feature-tags{display:flex;gap:8px;flex-wrap:wrap}

    .knowledge-panel{
      display:grid;grid-template-columns:320px 1fr;gap:22px;
      border-radius:var(--radius-xl);padding:18px;
      background:rgba(255,255,255,.74);border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .knowledge-tabs{
      display:grid;gap:10px;align-content:start;
    }
    .knowledge-tab{
      text-align:left;padding:18px 18px;border-radius:20px;
      border:1px solid transparent;background:rgba(249,241,239,.78);
      color:var(--text);transition:var(--ease);
    }
    .knowledge-tab b{display:block;color:var(--cocoa);font-size:17px;margin-bottom:4px}
    .knowledge-tab span{font-size:13px;color:var(--muted)}
    .knowledge-tab.active,.knowledge-tab:hover{
      background:#fff;border-color:rgba(185,111,121,.30);box-shadow:0 12px 24px rgba(120,78,72,.08);
      transform:translateY(-2px);
    }
    .knowledge-content{
      border-radius:24px;padding:34px;background:
      linear-gradient(145deg,rgba(255,240,230,.74),rgba(255,255,255,.96));
      border:1px solid rgba(234,217,213,.78);
    }
    .knowledge-content h3{font-size:28px;color:var(--cocoa);margin-bottom:12px}
    .knowledge-content p{color:var(--muted);margin-bottom:18px}
    .note-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}
    .note{
      padding:18px;border-radius:20px;background:rgba(255,255,255,.72);
      border:1px solid rgba(234,217,213,.78);
    }
    .note strong{display:block;color:var(--rose-dark);margin-bottom:6px}
    .note span{font-size:14px;color:var(--muted)}

    .updates{
      background:linear-gradient(180deg,rgba(255,255,255,.28),rgba(249,241,239,.58));
    }
    .post-layout{
      display:grid;grid-template-columns:1.02fr .98fr;gap:22px;
    }
    .post-card{
      background:rgba(255,255,255,.78);border:1px solid var(--line);
      border-radius:26px;overflow:hidden;box-shadow:0 12px 30px rgba(118,76,70,.08);
      transition:var(--ease);
    }
    .post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(185,111,121,.34)}
    .post-cover{height:260px;overflow:hidden;background:var(--mist)}
    .post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
    .post-card:hover .post-cover img{transform:scale(1.04)}
    .post-body{padding:26px}
    .post-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
    .post-card h3{font-size:24px;line-height:1.35;color:var(--cocoa);margin-bottom:10px}
    .post-card p{color:var(--muted);line-height:1.78}
    .post-list{display:grid;gap:14px}
    .post-mini{
      display:grid;grid-template-columns:132px 1fr;gap:18px;
      padding:16px;border-radius:24px;background:rgba(255,255,255,.78);
      border:1px solid var(--line);transition:var(--ease);
    }
    .post-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(185,111,121,.34)}
    .post-mini img{width:132px;height:112px;object-fit:cover;border-radius:18px}
    .post-mini h3{font-size:18px;line-height:1.45;color:var(--cocoa);margin:8px 0 4px}
    .post-mini p{font-size:14px;color:var(--muted);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
    .empty-state{
      grid-column:1/-1;text-align:center;padding:54px 24px;border-radius:28px;
      background:rgba(255,255,255,.72);border:1px dashed rgba(185,111,121,.34);
    }
    .empty-state .icon{margin:0 auto 16px}
    .empty-state p{color:var(--muted);margin:6px 0 18px}

    .faq-grid{
      display:grid;grid-template-columns:.86fr 1.14fr;gap:34px;align-items:start;
    }
    .faq-intro{
      position:sticky;top:112px;border-radius:var(--radius-xl);
      padding:32px;background:linear-gradient(145deg,#fff,#fff0e6);
      border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .faq-intro h2{font-size:34px;line-height:1.25;color:var(--cocoa);margin:14px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:14px}
    details.faq-item{
      border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.76);
      overflow:hidden;transition:var(--ease);
    }
    details.faq-item[open]{background:rgba(255,240,230,.70);border-color:rgba(185,111,121,.32)}
    .faq-item summary{
      list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:21px 22px;cursor:pointer;color:var(--cocoa);font-weight:850;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"";width:12px;height:12px;border-right:2px solid var(--rose-dark);border-bottom:2px solid var(--rose-dark);
      transform:rotate(45deg);transition:var(--ease);flex:0 0 auto;
    }
    .faq-item[open] summary:after{transform:rotate(225deg)}
    .faq-answer{padding:0 22px 22px;color:var(--muted);line-height:1.85}

    .consult{
      display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch;
    }
    .consult-card{
      border-radius:34px;padding:36px;
      background:
        linear-gradient(135deg,rgba(141,76,87,.88),rgba(185,111,121,.78)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;box-shadow:var(--shadow-hover);overflow:hidden;position:relative;
    }
    .consult-card:after{
      content:"";position:absolute;width:240px;height:240px;border-radius:50%;
      border:1px solid rgba(255,255,255,.22);right:-80px;bottom:-80px;
    }
    .consult-card h2{font-size:34px;line-height:1.25;margin:18px 0 12px;position:relative}
    .consult-card p{color:rgba(255,255,255,.84);position:relative}
    .consult-card .tag{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.25);margin-right:8px;margin-top:18px}
    .contact-form{
      padding:30px;border-radius:34px;background:rgba(255,255,255,.78);
      border:1px solid var(--line);box-shadow:var(--shadow);
    }
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px;margin-bottom:14px}
    .field.full{grid-column:1/-1}
    .field label{font-weight:800;color:var(--cocoa);font-size:14px}
    .field input,.field textarea{
      width:100%;border:1px solid var(--line);background:#fffaf7;
      border-radius:18px;padding:14px 16px;color:var(--text);
      transition:var(--ease);
    }
    .field textarea{min-height:108px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:rgba(185,111,121,.55);background:#fff;outline:none;box-shadow:0 0 0 4px rgba(185,111,121,.10)}
    .form-hint{font-size:13px;color:var(--muted);margin-top:12px}

    .cta-banner{
      border-radius:36px;padding:38px;
      display:flex;align-items:center;justify-content:space-between;gap:24px;
      background:
        radial-gradient(circle at 12% 10%,rgba(255,255,255,.58),transparent 24%),
        linear-gradient(135deg,#fff0e6,#f7e2e4 55%,#fffaf7);
      border:1px solid rgba(185,111,121,.20);
      box-shadow:var(--shadow);
    }
    .cta-banner h2{font-size:32px;color:var(--cocoa);line-height:1.25;margin-bottom:10px}
    .cta-banner p{color:var(--muted);max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

    .site-footer{
      margin-top:80px;background:linear-gradient(135deg,#342928,#4a3338);
      color:#fff5ef;padding:56px 0 26px;
    }
    .footer-grid{
      display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px;
      padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14);
    }
    .footer-brand .brand{color:#fff5ef;margin-bottom:16px}
    .footer-brand .brand-mark{box-shadow:none}
    .footer-brand p{color:#dbc9c5;max-width:520px}
    .footer-col h3{font-size:16px;margin-bottom:14px;color:#fff}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#dbc9c5;transition:var(--ease);font-size:14px}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{
      display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
      color:#cbb7b2;font-size:13px;padding-top:22px;
    }
    .copyright a{color:#f3d6d0}

    @media (max-width:1024px){
      .hero-grid,.focus-grid,.steps-wrap,.knowledge-panel,.post-layout,.faq-grid,.consult{grid-template-columns:1fr}
      .visual-panel{min-height:auto}
      .hero-badges,.scenario-strip{grid-template-columns:repeat(2,1fr)}
      .note-list{grid-template-columns:1fr}
      .faq-intro{position:relative;top:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .section{padding:62px 0}
      .nav{height:66px}
      .nav-links{
        position:absolute;left:14px;right:14px;top:76px;
        display:none;flex-direction:column;align-items:stretch;
        border-radius:24px;padding:14px;background:rgba(255,250,247,.96);
        box-shadow:var(--shadow);border-color:var(--line);
      }
      body.menu-open .nav-links{display:flex}
      .nav-link{text-align:center;padding:13px 15px}
      .nav-actions .btn{display:none}
      .menu-toggle{display:grid;place-items:center}
      .hero{padding:44px 0 30px}
      .hero-copy{padding:10px 0}
      .hero-cta,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .dashboard{grid-template-columns:1fr}
      .dash-card.wide{display:block}
      .hero-badges,.scenario-strip{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .focus-large{min-height:420px;padding:26px}
      .step-item{grid-template-columns:54px 1fr;gap:16px}
      .step-no{width:54px;height:54px;border-radius:18px;font-size:18px}
      .step-item:not(:last-child):after{left:27px;top:58px}
      .post-mini{grid-template-columns:104px 1fr}
      .post-mini img{width:104px;height:96px}
      .form-grid{grid-template-columns:1fr}
      .cta-banner{display:block;padding:28px}
      .cta-actions{margin-top:20px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand span{font-size:15px;max-width:210px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .hero h1{font-size:34px}
      .hero-subtitle{font-size:16px}
      .visual-panel{padding:12px;border-radius:28px}
      .hero-image{height:230px;border-radius:22px}
      .post-mini{grid-template-columns:1fr}
      .post-mini img{width:100%;height:170px}
      .knowledge-content,.steps,.contact-form,.consult-card{padding:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: article */
:root{
      --rose:#b96f79;
      --rose-dark:#8d4c57;
      --rose-soft:#f7e2e4;
      --peach:#f7c9ad;
      --peach-soft:#fff0e6;
      --berry:#8c658f;
      --cocoa:#3d3130;
      --text:#493f3d;
      --muted:#7f7170;
      --light:#fffaf7;
      --mist:#f9f1ef;
      --line:#ead9d5;
      --white:#ffffff;
      --shadow:0 18px 45px rgba(140, 86, 78, .13);
      --shadow-hover:0 24px 60px rgba(140, 86, 78, .20);
      --radius-xl:30px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:12px;
      --container:1200px;
      --ease:all .28s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 0%, rgba(247,201,173,.26), transparent 32%),
        radial-gradient(circle at 88% 8%, rgba(185,111,121,.16), transparent 30%),
        linear-gradient(180deg,#fffaf7 0%,#fff7f3 44%,#fffaf7 100%);
      line-height:1.75;
      overflow-x:hidden;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--rose-dark)}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer;background:none}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}
    .section-tight{padding:58px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 13px;border-radius:999px;
      background:rgba(247,226,228,.86);
      border:1px solid rgba(185,111,121,.18);
      color:var(--rose-dark);font-size:14px;font-weight:700;
    }
    .eyebrow:before{
      content:"";width:8px;height:8px;border-radius:50%;
      background:linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 0 0 5px rgba(185,111,121,.10);
    }
    .tag{
      display:inline-flex;align-items:center;border-radius:999px;
      padding:6px 12px;background:var(--peach-soft);
      color:var(--rose-dark);font-size:13px;font-weight:700;
      border:1px solid rgba(185,111,121,.12);
      line-height:1.25;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:48px;padding:13px 22px;border-radius:999px;
      font-weight:800;transition:var(--ease);white-space:nowrap;
      border:1px solid transparent;
    }
    .btn-primary{
      background:linear-gradient(135deg,var(--rose),var(--rose-dark));
      color:#fff;box-shadow:0 14px 28px rgba(185,111,121,.28);
    }
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 34px rgba(185,111,121,.36);color:#fff}
    .btn-secondary{
      color:var(--rose-dark);background:rgba(255,255,255,.72);
      border-color:rgba(185,111,121,.22);
      box-shadow:0 10px 24px rgba(125,80,70,.08);
    }
    .btn-secondary:hover{transform:translateY(-3px);border-color:rgba(185,111,121,.45);background:#fff;color:var(--rose-dark)}
    .btn:focus-visible,.nav-link:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,.article-body a:focus-visible{
      outline:3px solid rgba(185,111,121,.24);outline-offset:3px;
    }
    .btn:active{transform:translateY(0);box-shadow:none}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(145%) blur(16px);
      background:rgba(255,250,247,.84);
      border-bottom:1px solid rgba(234,217,213,.68);
    }
    .nav{
      height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;font-weight:900;color:var(--cocoa);
      letter-spacing:-.03em;min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:16px;
      background:
        radial-gradient(circle at 34% 28%, #fff 0 10%, transparent 12%),
        linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 12px 26px rgba(185,111,121,.25);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";position:absolute;inset:9px;border-radius:999px;
      border:1.5px solid rgba(255,255,255,.78);
      transform:rotate(-18deg);
    }
    .brand span{font-size:18px}
    .nav-links{
      display:flex;align-items:center;gap:8px;
      padding:7px;background:rgba(255,255,255,.60);
      border:1px solid rgba(234,217,213,.7);border-radius:999px;
    }
    .nav-link{
      padding:9px 15px;border-radius:999px;color:#655755;font-size:14px;font-weight:750;
      transition:var(--ease);position:relative;
    }
    .nav-link:hover,.nav-link.active{color:var(--rose-dark);background:rgba(247,226,228,.72)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:15px;
      border:1px solid var(--line);background:#fff;color:var(--rose-dark);
    }
    .menu-toggle i,.menu-toggle i:before,.menu-toggle i:after{
      display:block;width:18px;height:2px;background:currentColor;border-radius:99px;margin:auto;content:"";
      transition:var(--ease);
    }
    .menu-toggle i:before{transform:translateY(-7px)}
    .menu-toggle i:after{transform:translateY(5px)}
    body.menu-open .menu-toggle i{background:transparent}
    body.menu-open .menu-toggle i:before{transform:rotate(45deg)}
    body.menu-open .menu-toggle i:after{transform:rotate(-45deg) translate(1px,-1px)}

    .article-hero{
      position:relative;
      padding:52px 0 34px;
      overflow:hidden;
    }
    .article-hero:before{
      content:"";
      position:absolute;
      inset:0 0 auto 0;
      height:420px;
      z-index:-1;
      background:
        linear-gradient(120deg,rgba(255,250,247,.90),rgba(255,240,230,.76)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      opacity:.92;
      mask-image:linear-gradient(#000 78%,transparent 100%);
    }
    .breadcrumb-wrap{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
      margin-bottom:26px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb-wrap a,
    .breadcrumb-wrap span{
      display:inline-flex;
      align-items:center;
      max-width:100%;
      border-radius:999px;
    }
    .breadcrumb-wrap a{
      padding:7px 12px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(234,217,213,.82);
      color:var(--rose-dark);
      font-weight:750;
      transition:var(--ease);
    }
    .breadcrumb-wrap a:hover{
      transform:translateY(-2px);
      background:#fff;
      box-shadow:0 10px 22px rgba(140,86,78,.10);
    }
    .breadcrumb-wrap .crumb-current{
      padding:7px 0;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
      max-width:520px;
    }
    .article-head-card{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(320px,.72fr);
      gap:34px;
      align-items:stretch;
      background:rgba(255,255,255,.64);
      border:1px solid rgba(234,217,213,.76);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:30px;
      overflow:hidden;
      position:relative;
    }
    .article-head-card:after{
      content:"";
      position:absolute;
      width:220px;height:220px;
      right:-92px;top:-102px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(247,201,173,.46),transparent 68%);
      pointer-events:none;
    }
    .article-head-main{
      position:relative;
      z-index:1;
      display:flex;
      flex-direction:column;
      justify-content:center;
      min-height:326px;
    }
    .article-head-main h1{
      margin:18px 0 18px;
      font-size:clamp(32px,5vw,52px);
      line-height:1.18;
      letter-spacing:-.045em;
      color:var(--cocoa);
      font-weight:850;
    }
    .article-summary{
      color:#665855;
      font-size:17px;
      line-height:1.85;
      max-width:780px;
      margin:0;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
      color:var(--muted);
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(255,250,247,.78);
      border:1px solid rgba(234,217,213,.76);
      font-size:13px;
      font-weight:750;
    }
    .meta-dot{
      width:7px;height:7px;border-radius:50%;
      background:linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 0 0 4px rgba(185,111,121,.10);
    }
    .article-cover{
      position:relative;
      min-height:326px;
      border-radius:26px;
      overflow:hidden;
      border:1px solid rgba(234,217,213,.72);
      box-shadow:0 18px 38px rgba(140,86,78,.12);
      background:var(--peach-soft);
      z-index:1;
    }
    .article-cover img{
      width:100%;
      height:100%;
      min-height:326px;
      object-fit:cover;
      filter:saturate(.96) contrast(.98);
    }
    .cover-float{
      position:absolute;
      left:18px;
      bottom:18px;
      right:18px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      padding:12px 14px;
      border-radius:20px;
      background:rgba(255,250,247,.84);
      backdrop-filter:blur(14px);
      border:1px solid rgba(255,255,255,.72);
      color:var(--cocoa);
      font-size:13px;
      font-weight:800;
    }
    .cover-float small{
      display:block;
      color:var(--muted);
      font-size:12px;
      font-weight:700;
      margin-top:2px;
    }

    .reading-layout{
      display:grid;
      grid-template-columns:minmax(0,820px) minmax(260px,1fr);
      gap:34px;
      align-items:start;
      padding-top:34px;
    }
    .content-shell{
      background:rgba(255,255,255,.78);
      border:1px solid rgba(234,217,213,.72);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:42px;
      min-width:0;
    }
    .article-body{
      font-size:17px;
      line-height:1.9;
      color:var(--text);
      word-break:break-word;
    }
    .article-body > *:first-child{margin-top:0}
    .article-body p{margin:0 0 1.28em}
    .article-body h2{
      position:relative;
      margin:2.1em 0 .85em;
      padding-left:18px;
      font-size:clamp(24px,3vw,31px);
      line-height:1.32;
      color:var(--cocoa);
      font-weight:850;
      letter-spacing:-.02em;
    }
    .article-body h2:before{
      content:"";
      position:absolute;
      left:0;top:.22em;
      width:6px;height:1.05em;
      border-radius:999px;
      background:linear-gradient(180deg,var(--rose),var(--peach));
    }
    .article-body h3{
      margin:1.75em 0 .65em;
      color:var(--rose-dark);
      font-size:22px;
      line-height:1.38;
      font-weight:800;
    }
    .article-body h4{
      margin:1.45em 0 .55em;
      color:var(--cocoa);
      font-size:19px;
      font-weight:800;
    }
    .article-body ul,
    .article-body ol{
      margin:0 0 1.35em;
      padding-left:1.35em;
    }
    .article-body li{margin:.42em 0;padding-left:.12em}
    .article-body li::marker{color:var(--rose-dark);font-weight:800}
    .article-body blockquote{
      margin:1.65em 0;
      padding:22px 24px;
      border-left:5px solid var(--rose);
      border-radius:0 var(--radius-md) var(--radius-md) 0;
      background:linear-gradient(135deg,rgba(255,240,230,.82),rgba(247,226,228,.62));
      color:#5d4f4d;
      box-shadow:0 12px 28px rgba(140,86,78,.08);
    }
    .article-body blockquote p:last-child{margin-bottom:0}
    .article-body a{
      color:var(--rose-dark);
      font-weight:800;
      text-decoration:none;
      background:linear-gradient(180deg,transparent 62%,rgba(247,201,173,.44) 0);
      border-radius:4px;
      transition:var(--ease);
    }
    .article-body a:hover{
      color:var(--berry);
      background:linear-gradient(180deg,transparent 48%,rgba(247,226,228,.78) 0);
    }
    .article-body img{
      display:block;
      max-width:100%;
      height:auto;
      margin:1.7em auto;
      border-radius:22px;
      border:1px solid rgba(234,217,213,.86);
      box-shadow:0 16px 34px rgba(140,86,78,.12);
    }
    .article-body figure{margin:1.8em 0}
    .article-body figcaption{
      margin-top:10px;
      color:var(--muted);
      text-align:center;
      font-size:14px;
    }
    .article-body table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      margin:1.7em 0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:18px;
      background:#fff;
      box-shadow:0 10px 28px rgba(140,86,78,.08);
    }
    .article-body th,
    .article-body td{
      padding:14px 16px;
      border-bottom:1px solid var(--line);
      vertical-align:top;
    }
    .article-body tr:last-child td{border-bottom:0}
    .article-body th{
      background:rgba(247,226,228,.62);
      color:var(--cocoa);
      font-weight:850;
    }
    .article-body code{
      padding:2px 7px;
      border-radius:8px;
      background:rgba(247,226,228,.72);
      color:var(--rose-dark);
      font-size:.92em;
    }
    .article-body pre{
      overflow:auto;
      padding:18px;
      border-radius:18px;
      background:#3d3130;
      color:#fffaf7;
      line-height:1.7;
    }
    .article-empty{
      text-align:center;
      padding:54px 24px;
      border-radius:var(--radius-lg);
      background:linear-gradient(135deg,rgba(255,240,230,.78),rgba(255,250,247,.92));
      border:1px dashed rgba(185,111,121,.35);
    }
    .article-empty-icon{
      width:64px;height:64px;
      margin:0 auto 18px;
      border-radius:24px;
      background:
        radial-gradient(circle at 35% 28%,#fff 0 12%,transparent 14%),
        linear-gradient(135deg,var(--rose),var(--peach));
      box-shadow:0 16px 32px rgba(185,111,121,.22);
    }
    .article-empty h2{
      margin:0 0 10px;
      color:var(--cocoa);
      font-size:28px;
      font-weight:850;
    }
    .article-empty p{
      color:var(--muted);
      margin:0 0 22px;
    }

    .side-stack{
      display:grid;
      gap:18px;
      position:sticky;
      top:100px;
    }
    .side-card{
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.76);
      border:1px solid rgba(234,217,213,.76);
      box-shadow:0 14px 34px rgba(140,86,78,.10);
      padding:24px;
      transition:var(--ease);
    }
    .side-card:hover{
      transform:translateY(-3px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(185,111,121,.28);
    }
    .side-card h2,
    .side-card h3{
      margin:0 0 12px;
      color:var(--cocoa);
      font-size:20px;
      line-height:1.35;
      font-weight:850;
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.75;
    }
    .toc-list{
      display:grid;
      gap:10px;
      margin-top:16px;
    }
    .toc-list a{
      display:flex;
      gap:10px;
      align-items:flex-start;
      padding:11px 12px;
      border-radius:16px;
      background:rgba(255,250,247,.72);
      border:1px solid rgba(234,217,213,.72);
      color:#655755;
      font-size:14px;
      font-weight:750;
      transition:var(--ease);
    }
    .toc-list a:before{
      content:"";
      width:8px;height:8px;
      border-radius:50%;
      background:var(--peach);
      flex:0 0 auto;
      margin-top:8px;
    }
    .toc-list a:hover{
      color:var(--rose-dark);
      background:rgba(247,226,228,.70);
      transform:translateX(3px);
    }
    .mini-note{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,240,230,.72);
      border:1px solid rgba(247,201,173,.52);
      margin-top:16px;
    }
    .mini-note span{
      width:26px;height:26px;
      border-radius:10px;
      background:linear-gradient(135deg,var(--rose),var(--peach));
      flex:0 0 auto;
      box-shadow:0 8px 16px rgba(185,111,121,.18);
    }
    .mini-note strong{
      display:block;
      color:var(--cocoa);
      font-size:14px;
      margin-bottom:2px;
    }
    .mini-note em{
      display:block;
      font-style:normal;
      color:var(--muted);
      font-size:13px;
      line-height:1.55;
    }

    .related-section{
      padding-top:0;
    }
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;
      gap:32px;margin-bottom:30px;
    }
    .section-head h2{
      font-size:clamp(28px,4vw,38px);
      line-height:1.24;color:var(--cocoa);letter-spacing:-.02em;margin:14px 0 0;
      font-weight:850;
    }
    .section-head p{max-width:540px;color:var(--muted);font-size:16px;margin:0}
    .related-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
    }
    .related-card{
      min-height:100%;
      padding:22px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.74);
      border:1px solid rgba(234,217,213,.76);
      box-shadow:0 14px 34px rgba(140,86,78,.10);
      transition:var(--ease);
      display:flex;
      flex-direction:column;
      gap:14px;
    }
    .related-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(185,111,121,.28);
    }
    .related-card h3{
      color:var(--cocoa);
      font-size:20px;
      line-height:1.42;
      margin:0;
      font-weight:850;
    }
    .related-card p{
      color:var(--muted);
      margin:0;
      font-size:14px;
      line-height:1.75;
      flex:1;
    }
    .related-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      color:var(--muted);
      font-size:13px;
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--rose-dark);
      font-weight:850;
      margin-top:auto;
      transition:var(--ease);
    }
    .read-link:after{
      content:"→";
      transition:var(--ease);
    }
    .related-card:hover .read-link:after{transform:translateX(3px)}

    .article-cta{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(185,111,121,.94),rgba(140,101,143,.90)),
        url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
      color:#fff;
      padding:34px;
      box-shadow:0 22px 54px rgba(140,86,78,.22);
    }
    .article-cta:before{
      content:"";
      position:absolute;
      width:260px;height:260px;
      right:-70px;bottom:-120px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .article-cta-content{
      position:relative;
      z-index:1;
      display:flex;
      justify-content:space-between;
      gap:24px;
      align-items:center;
    }
    .article-cta h2{
      margin:0 0 8px;
      font-size:clamp(25px,3vw,34px);
      line-height:1.28;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .article-cta p{
      margin:0;
      max-width:680px;
      color:rgba(255,255,255,.84);
    }
    .article-cta .btn-secondary{
      background:rgba(255,255,255,.94);
      color:var(--rose-dark);
      border-color:rgba(255,255,255,.55);
    }

    .site-footer{
      margin-top:70px;
      padding:58px 0 24px;
      background:
        radial-gradient(circle at 16% 0%, rgba(247,201,173,.12), transparent 30%),
        linear-gradient(180deg,#453332 0%,#332827 100%);
      color:rgba(255,250,247,.86);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .7fr;
      gap:34px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,250,247,.12);
    }
    .footer-brand .brand{color:#fff;margin-bottom:16px}
    .footer-brand .brand-mark{box-shadow:0 12px 26px rgba(0,0,0,.16)}
    .footer-brand p{
      max-width:470px;
      color:rgba(255,250,247,.68);
      margin:0;
      line-height:1.8;
    }
    .footer-col h3{
      color:#fff;
      margin:0 0 14px;
      font-size:16px;
      font-weight:850;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:rgba(255,250,247,.70);
      transition:var(--ease);
      width:max-content;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(3px);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      color:rgba(255,250,247,.58);
      font-size:13px;
      flex-wrap:wrap;
    }
    .copyright a{
      color:rgba(255,250,247,.82);
      text-decoration:underline;
      text-underline-offset:3px;
    }

    @media (max-width:1024px){
      .nav-actions .btn{display:none}
      .article-head-card{grid-template-columns:1fr;gap:24px}
      .article-head-main{min-height:auto}
      .article-cover,.article-cover img{min-height:300px}
      .reading-layout{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:1fr 1fr}
      .related-grid{grid-template-columns:1fr 1fr}
      .article-cta-content{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav{height:66px}
      .brand span{font-size:16px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
      .nav-links{
        position:absolute;
        left:14px;right:14px;top:75px;
        display:grid;
        gap:8px;
        padding:14px;
        border-radius:24px;
        background:rgba(255,250,247,.96);
        box-shadow:var(--shadow-hover);
        opacity:0;
        visibility:hidden;
        transform:translateY(-8px);
        transition:var(--ease);
      }
      body.menu-open .nav-links{
        opacity:1;visibility:visible;transform:translateY(0);
      }
      .nav-link{padding:12px 14px}
      .article-hero{padding:34px 0 20px}
      .breadcrumb-wrap{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
      .breadcrumb-wrap .crumb-current{max-width:340px;flex:0 0 auto}
      .article-head-card{padding:20px;border-radius:24px}
      .article-head-main h1{font-size:clamp(29px,8vw,42px)}
      .article-summary{font-size:16px}
      .article-cover,.article-cover img{min-height:240px}
      .section{padding:58px 0}
      .content-shell{padding:26px 20px;border-radius:24px}
      .article-body{font-size:16px;line-height:1.86}
      .article-body table{display:block;overflow-x:auto;white-space:nowrap}
      .side-stack{grid-template-columns:1fr}
      .section-head{display:block}
      .related-grid{grid-template-columns:1fr}
      .article-cta{padding:26px}
      .article-cta-content .btn{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .copyright{display:grid}
    }
    @media (max-width:520px){
      .container{width:min(100% - 22px,var(--container))}
      .brand span{max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
      .article-head-card{padding:16px}
      .article-meta{gap:8px}
      .meta-pill{font-size:12px}
      .cover-float{display:block}
      .content-shell{padding:22px 16px}
      .article-body h2{padding-left:15px}
      .article-body blockquote{padding:18px}
      .btn{width:100%;padding-left:18px;padding-right:18px}
      .footer-links a{width:auto}
    }

/* 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}