/* roulang page: index */
:root{
      --bg:#f5f9fd;
      --bg-soft:#eef5fb;
      --surface:#ffffff;
      --surface-2:#f8fbfe;
      --line:#d9e5f1;
      --line-strong:#bdd1e3;
      --text:#17324d;
      --muted:#5f748a;
      --soft:#86a0b8;
      --primary:#2f72c9;
      --primary-strong:#1e5fb0;
      --primary-soft:#e7f0fb;
      --success:#2b9b68;
      --warning:#d68b2f;
      --shadow:0 14px 40px rgba(28, 61, 100, .08);
      --shadow-hover:0 20px 50px rgba(28, 61, 100, .14);
      --radius:18px;
      --radius-sm:14px;
      --radius-xs:10px;
      --max:1180px;
      --space:clamp(18px, 2vw, 28px);
      --space-lg:clamp(28px, 4vw, 56px);
      --space-xl:clamp(42px, 6vw, 84px);
      --transition:180ms cubic-bezier(.2,.8,.2,1);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:
        radial-gradient(circle at top left, rgba(47,114,201,.09), transparent 28%),
        linear-gradient(180deg, #fbfdff 0%, var(--bg) 100%);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Helvetica,Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none;transition:color var(--transition),background var(--transition),border-color var(--transition),transform var(--transition),box-shadow var(--transition)}
    a:hover{color:var(--primary)}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(47,114,201,.18)}
    .skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
    .skip-link:focus{left:18px;top:18px;width:auto;height:auto;background:var(--surface);padding:10px 14px;border-radius:999px;z-index:1000;box-shadow:var(--shadow)}

    .site-shell{min-height:100vh}
    .site-top{
      position:sticky;top:0;z-index:90;
      background:rgba(248,251,254,.88);
      backdrop-filter:saturate(180%) blur(12px);
      border-bottom:1px solid rgba(217,229,241,.7);
    }
    .site-top .top-bar{
      background:transparent;
      padding:.95rem 0;
    }
    .brand{
      display:flex;align-items:center;gap:.85rem;font-weight:800;letter-spacing:.02em;color:var(--text);
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(145deg, var(--primary), #8ab3ea);
      color:#fff;box-shadow:0 10px 22px rgba(47,114,201,.22);
      flex:none;
    }
    .brand-mark i{font-size:1rem}
    .brand-text{font-size:1.04rem;line-height:1.2}
    .brand-sub{display:block;font-size:.76rem;color:var(--muted);font-weight:600;margin-top:.16rem}
    .top-nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%}
    .menu.main-menu{gap:.5rem;align-items:center}
    .menu.main-menu > li > a{
      padding:.72rem 1rem;border-radius:999px;color:var(--muted);font-weight:700;border:1px solid transparent;
    }
    .menu.main-menu > li > a:hover,.menu.main-menu > li > a:focus{
      background:var(--primary-soft);color:var(--primary-strong);border-color:#d7e6f7;
    }
    .menu.main-menu > li.is-active > a{
      background:var(--primary);color:#fff;border-color:var(--primary);
      box-shadow:0 10px 20px rgba(47,114,201,.16);
    }
    .desktop-nav-cta{display:flex;align-items:center;gap:.65rem}
    .desktop-nav-cta .tiny-note{font-size:.85rem;color:var(--muted)}

    .hero-section{padding:var(--space-xl) 0 var(--space-lg)}
    .hero-grid{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(246,250,253,.98));
      border:1px solid rgba(198,214,229,.75);
      border-radius:28px;
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .hero-grid::before{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 18% 14%, rgba(47,114,201,.10), transparent 18%),
        radial-gradient(circle at 92% 12%, rgba(134,160,184,.12), transparent 20%),
        linear-gradient(135deg, rgba(233,242,251,.5), transparent 35%);
      pointer-events:none;
    }
    .hero-inner{position:relative;padding:clamp(24px,4vw,46px)}
    .hero-copy{padding-right:clamp(0px, 2vw, 26px)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:.45rem;
      padding:.42rem .82rem;border-radius:999px;
      background:var(--primary-soft);color:var(--primary-strong);font-weight:700;font-size:.88rem;
      border:1px solid #d9e7f7;
    }
    .eyebrow i{font-size:.8rem}
    h1{margin:.95rem 0 .75rem;font-weight:900;letter-spacing:-.03em;line-height:1.08;color:#14324f}
    .hero-title{font-size:clamp(2rem, 4.2vw, 4rem)}
    .hero-lead{font-size:1.04rem;color:var(--muted);max-width:56ch;margin:0 0 1.25rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;align-items:center;margin-top:1.2rem}
    .button{
      border-radius:999px;font-weight:800;letter-spacing:.01em;padding:.95rem 1.2rem;
      transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition),color var(--transition);
    }
    .button:hover{transform:translateY(-1px)}
    .button.primary{background:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(47,114,201,.18)}
    .button.primary:hover{background:var(--primary-strong);color:#fff}
    .button.secondary{background:#fff;color:var(--primary-strong);border:1px solid #cfe0f2}
    .button.secondary:hover{background:var(--primary-soft);color:var(--primary-strong)}
    .button.ghost{background:transparent;color:var(--muted);border:1px solid transparent;padding-inline:.2rem}
    .button.ghost:hover{color:var(--primary-strong)}
    .hero-points{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}
    .pill{
      display:inline-flex;align-items:center;gap:.5rem;
      padding:.58rem .82rem;border-radius:999px;background:rgba(255,255,255,.9);
      border:1px solid #dbe7f3;color:var(--muted);font-size:.88rem;font-weight:600;
      box-shadow:0 8px 24px rgba(28,61,100,.04);
    }
    .pill i{color:var(--primary)}

    .hero-panel{display:grid;gap:1rem;grid-template-columns:repeat(2,minmax(0,1fr));align-content:start}
    .mini-card,
    .info-card,
    .feature-card,
    .trust-card,
    .sidebar-card,
    .cta-card,
    .faq-card,
    .update-card{
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .mini-card{padding:1rem 1rem .95rem;min-height:120px;position:relative;overflow:hidden}
    .mini-card::after{
      content:"";position:absolute;inset:auto -12px -16px auto;width:100px;height:100px;border-radius:30px;
      background:radial-gradient(circle, rgba(47,114,201,.12), transparent 72%);pointer-events:none;
    }
    .mini-label{display:inline-flex;align-items:center;gap:.4rem;font-size:.78rem;font-weight:800;color:var(--primary-strong);background:var(--primary-soft);padding:.35rem .6rem;border-radius:999px}
    .mini-title{margin:.7rem 0 .25rem;font-size:1rem;line-height:1.35;font-weight:800}
    .mini-desc{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}

    .section{padding:var(--space-lg) 0}
    .section-head{margin-bottom:1.15rem}
    .section-head h2{margin:0 0 .4rem;font-weight:900;font-size:clamp(1.4rem, 2.2vw, 2.2rem);line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .section-kicker{display:inline-flex;align-items:center;gap:.4rem;font-weight:800;color:var(--primary-strong);font-size:.9rem;margin-bottom:.45rem}
    .section-kicker::before{content:"";width:14px;height:14px;border-radius:50%;background:linear-gradient(145deg,var(--primary),#8ab3ea);box-shadow:0 0 0 4px rgba(47,114,201,.09)}

    .story-grid{display:grid;gap:1rem;grid-template-columns:1.12fr .88fr}
    .story-copy{padding:1.3rem 1.35rem}
    .story-copy h3{margin:0 0 .8rem;font-size:1.35rem;font-weight:900}
    .story-copy p{margin:0 0 .95rem;color:var(--muted)}
    .story-list{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.75rem}
    .story-list li{display:flex;gap:.7rem;align-items:flex-start;color:var(--text)}
    .story-list i{color:var(--primary);margin-top:.28rem}
    .info-stack{display:grid;gap:1rem}
    .info-card{padding:1.1rem 1.1rem 1rem}
    .info-card h4{margin:0 0 .35rem;font-size:1rem;font-weight:800}
    .info-card p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.6}
    .info-meta{margin-top:.8rem;font-size:.82rem;color:var(--soft);display:flex;align-items:center;gap:.45rem}

    .feature-grid{display:grid;gap:1rem;grid-template-columns:repeat(12,minmax(0,1fr))}
    .feature-card{padding:1.1rem 1.1rem 1rem;min-height:180px;position:relative;overflow:hidden;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
    .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b9d0e7}
    .feature-card .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:var(--primary-soft);color:var(--primary-strong);font-size:1.05rem;margin-bottom:.9rem
    }
    .feature-card h3{margin:0 0 .45rem;font-size:1.06rem;font-weight:900}
    .feature-card p{margin:0;color:var(--muted);font-size:.93rem;line-height:1.58;min-height:3.1em}
    .card-tags{display:flex;flex-wrap:wrap;gap:.42rem;margin-top:.95rem}
    .tag{
      display:inline-flex;align-items:center;gap:.35rem;
      padding:.35rem .56rem;border-radius:999px;background:#f1f6fb;color:#5f748a;font-size:.78rem;font-weight:700;border:1px solid #e1ebf5;
    }
    .card-foot{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-top:1rem;padding-top:.9rem;border-top:1px solid #edf3f8}
    .card-foot span{font-size:.84rem;color:var(--soft)}
    .card-link{font-weight:800;color:var(--primary-strong);display:inline-flex;align-items:center;gap:.35rem}
    .card-link i{font-size:.9rem}
    .w-4{grid-column:span 4}
    .w-6{grid-column:span 6}
    .w-8{grid-column:span 8}
    .w-12{grid-column:span 12}

    .loop-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:1rem;align-items:start}
    .update-card{padding:1.1rem 1.1rem 1rem}
    .update-list{list-style:none;margin:0;padding:0;display:grid;gap:.55rem}
    .update-list li{border-bottom:1px solid #edf3f8;padding-bottom:.65rem}
    .update-list li:last-child{border-bottom:0;padding-bottom:0}
    .update-list a{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding:.2rem 0;font-weight:700;color:var(--text)}
    .update-list a:hover{color:var(--primary-strong)}
    .update-list small{color:var(--soft);font-weight:600;white-space:nowrap}
    .right-stack{display:grid;gap:1rem}
    .sidebar-card{padding:1.1rem}
    .sidebar-card h3{margin:0 0 .6rem;font-size:1.08rem;font-weight:900}
    .bullet-list{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}
    .bullet-list li{display:flex;gap:.65rem;align-items:flex-start;color:var(--muted)}
    .bullet-list i{color:var(--success);margin-top:.3rem}

    .stats-grid{display:grid;gap:1rem;grid-template-columns:repeat(4,minmax(0,1fr))}
    .trust-card{padding:1.1rem 1rem 1rem;min-height:150px}
    .stat-num{font-size:1.9rem;font-weight:900;line-height:1;color:var(--primary-strong);margin-bottom:.5rem}
    .trust-card h3{margin:0 0 .4rem;font-size:1rem;font-weight:800}
    .trust-card p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.55}

    .entry-grid{display:grid;gap:1rem;grid-template-columns:1.08fr .92fr}
    .entry-board{padding:1.15rem}
    .entry-board .header-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem}
    .entry-board .header-row h3{margin:0;font-size:1.18rem;font-weight:900}
    .entry-board .header-row p{margin:.35rem 0 0;color:var(--muted)}
    .entry-matrix{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem}
    .entry-tile{
      border:1px solid #dde9f4;background:#fbfdff;border-radius:16px;padding:.95rem 1rem;min-height:110px;
      box-shadow:0 8px 24px rgba(28,61,100,.04)
    }
    .entry-tile h4{margin:0 0 .45rem;font-size:.98rem;font-weight:800}
    .entry-tile p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.55}
    .entry-tile .meta{margin-top:.75rem;font-size:.8rem;color:var(--soft)}

    .form-panel{padding:1.15rem}
    .form-panel h3{margin:0 0 .45rem;font-size:1.15rem;font-weight:900}
    .form-panel p{margin:0 0 1rem;color:var(--muted)}
    .simple-form{display:grid;gap:.8rem}
    .simple-form .grid-x{gap:.75rem}
    .field-wrap label{display:block;font-size:.86rem;font-weight:700;color:#557089;margin:0 0 .35rem}
    .field-wrap input{
      width:100%;border:1px solid #cfddea;background:#fff;border-radius:14px;padding:.95rem 1rem;
      outline:none;box-shadow:none;transition:border-color var(--transition),box-shadow var(--transition),background var(--transition)
    }
    .field-wrap input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(47,114,201,.12)}
    .hint{font-size:.84rem;color:var(--soft);margin:.15rem 0 0}
    .form-status{min-height:1.2em;font-size:.92rem;font-weight:700;color:var(--primary-strong)}

    .faq-outer{display:grid;grid-template-columns:1fr .82fr;gap:1rem;align-items:start}
    .faq-card{padding:1.15rem}
    .accordion{background:transparent;border:0;margin:0}
    .accordion-item{border:1px solid #dce7f2;border-radius:16px;overflow:hidden;background:#fff;margin-bottom:.85rem;box-shadow:0 8px 24px rgba(28,61,100,.04)}
    .accordion-title{font-size:1rem;font-weight:800;color:var(--text);background:#fff;border:0;padding:1rem 1rem 1rem 3rem}
    .accordion-title:hover,.accordion-title:focus{background:#f7fbff;color:var(--primary-strong)}
    .accordion-title::before{left:1rem;right:auto;color:var(--primary)}
    .accordion-content{border:0;padding:0 1rem 1rem 1rem;color:var(--muted);line-height:1.75}
    .faq-side{display:grid;gap:1rem}
    .faq-note{padding:1.15rem}
    .faq-note h3{margin:0 0 .55rem;font-size:1.08rem;font-weight:900}
    .faq-note ul{list-style:none;padding:0;margin:0;display:grid;gap:.65rem}
    .faq-note li{display:flex;gap:.65rem;align-items:flex-start;color:var(--muted)}
    .faq-note i{color:var(--primary);margin-top:.28rem}

    .cta-band{padding:var(--space-lg) 0 var(--space-xl)}
    .cta-card{
      padding:1.4rem;
      background:linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
      border-color:#d6e4f1;
      position:relative;overflow:hidden;
    }
    .cta-card::after{
      content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
      background:radial-gradient(circle, rgba(47,114,201,.10), transparent 70%);pointer-events:none;
    }
    .cta-card h2{margin:0 0 .55rem;font-size:clamp(1.45rem, 2.1vw, 2rem);font-weight:900}
    .cta-card p{margin:0 0 1rem;color:var(--muted);max-width:66ch}
    .cta-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center}
    .cta-actions .button{min-width:132px;justify-content:center}

    .site-footer{padding:1.25rem 0 5rem;border-top:1px solid rgba(217,229,241,.95);background:rgba(247,250,253,.9)}
    .footer-grid{display:grid;grid-template-columns:1.1fr .7fr .7fr 1fr;gap:1rem}
    .footer-block{padding-top:.2rem}
    .footer-block h3{margin:0 0 .65rem;font-size:1rem;font-weight:900}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:.5rem}
    .footer-links a{color:var(--muted);font-weight:600}
    .footer-links a:hover{color:var(--primary-strong)}
    .copyright{margin-top:1rem;padding-top:1rem;border-top:1px solid #e5edf6;color:var(--soft);font-size:.86rem;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.75rem}

    .mobile-tabbar{
      position:fixed;left:0;right:0;bottom:0;z-index:95;
      display:none;justify-content:center;padding:.6rem .7rem calc(.6rem + env(safe-area-inset-bottom));
      pointer-events:none;
    }
    .mobile-tabbar .bar{
      width:min(520px, 100%);
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;
      background:rgba(255,255,255,.92);backdrop-filter:blur(16px);
      border:1px solid rgba(217,229,241,.9);border-radius:18px;box-shadow:var(--shadow);padding:.55rem;
      pointer-events:auto;
    }
    .mobile-tabbar a{
      display:flex;align-items:center;justify-content:center;gap:.55rem;
      min-height:48px;border-radius:14px;color:var(--muted);font-weight:800;background:transparent;
    }
    .mobile-tabbar a.active{background:var(--primary-soft);color:var(--primary-strong)}
    .mobile-tabbar a i{font-size:1rem}

    .top-gap{height:1px}
    .sr-chip{display:inline-block;padding:.25rem .55rem;border-radius:999px;background:#f2f7fc;color:var(--soft);font-size:.78rem;font-weight:700}
    .divider{height:1px;background:linear-gradient(90deg, transparent, #dbe7f3 20%, #dbe7f3 80%, transparent);margin:1rem 0}

    .section .grid-margin-x > .cell{margin-bottom:0}

    @media (max-width: 1024px){
      .story-grid,.loop-grid,.entry-grid,.faq-outer,.footer-grid{grid-template-columns:1fr}
      .hero-panel{grid-template-columns:repeat(2,minmax(0,1fr))}
      .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-grid .w-4,.feature-grid .w-6,.feature-grid .w-8{grid-column:span 6}
    }
    @media (max-width: 640px){
      .site-top .top-bar{padding:.8rem 0}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text{font-size:1rem}
      .menu.main-menu > li > a{padding:.62rem .82rem;font-size:.92rem}
      .hero-section{padding:1.15rem 0 1rem}
      .hero-inner{padding:18px}
      .hero-title{font-size:1.9rem}
      .hero-panel,.feature-grid,.entry-matrix,.stats-grid{grid-template-columns:1fr}
      .feature-grid .w-4,.feature-grid .w-6,.feature-grid .w-8{grid-column:span 12}
      .section{padding:1.2rem 0}
      .cta-card{padding:1.1rem}
      .cta-actions .button{width:100%}
      .mobile-tabbar{display:flex}
      .site-footer{padding-bottom:7rem}
      .top-nav-wrap{gap:.65rem}
    }
    @media (max-width: 520px){
      .menu.main-menu{gap:.25rem}
      .menu.main-menu > li > a{padding:.58rem .72rem;font-size:.88rem}
      .hero-lead,.section-head p,.story-copy p{font-size:.96rem}
      .feature-card,.trust-card,.update-card,.sidebar-card,.faq-card,.info-card{padding:.95rem}
      .accordion-title{padding:1rem 1rem 1rem 2.8rem}
      .accordion-title::before{left:.95rem}
      .copyright{font-size:.8rem}
    }

/* roulang page: category1 */
:root{
      --primary:#2f6fed;
      --primary-dark:#2158c7;
      --primary-soft:#eaf2ff;
      --accent:#4f8df7;
      --ink:#152033;
      --text:#334155;
      --muted:#64748b;
      --weak:#8a99ad;
      --line:#dbe5f3;
      --line-strong:#c7d7ec;
      --bg:#f6f9fd;
      --panel:#ffffff;
      --panel-soft:#f1f6ff;
      --success:#18a058;
      --warning:#d98600;
      --radius-sm:10px;
      --radius:16px;
      --radius-lg:24px;
      --shadow-sm:0 8px 22px rgba(32,76,138,.08);
      --shadow:0 18px 46px rgba(32,76,138,.12);
      --shadow-hover:0 24px 60px rgba(32,76,138,.16);
      --space:clamp(56px,7vw,92px);
      --font:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);background:linear-gradient(180deg,#fbfdff 0%,var(--bg) 42%,#fff 100%);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
    img{max-width:100%;height:auto;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    input:focus,button:focus,a:focus{outline:3px solid rgba(47,111,237,.2);outline-offset:3px}
    .grid-container{max-width:1180px}
    .section{padding:var(--space) 0}
    .section.compact{padding:56px 0}
    .section-title{max-width:760px;margin-bottom:28px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-weight:700;font-size:13px;letter-spacing:.02em;margin-bottom:14px}
    h1,h2,h3,h4{font-weight:800;color:var(--ink);line-height:1.2;margin:0 0 14px;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5.4vw,62px)}
    h2{font-size:clamp(26px,3.5vw,40px)}
    h3{font-size:21px}
    p{margin:0 0 14px}
    .lead{font-size:18px;color:#42526a;max-width:820px}
    .muted{color:var(--muted)}
    .site-top{position:relative;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,229,243,.84)}
    .top-bar{padding:0;background:transparent;box-shadow:none}
    .top-nav-wrap{width:100%;min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--primary),#7fb0ff);color:#fff;box-shadow:0 12px 26px rgba(47,111,237,.24)}
    .brand-text{display:flex;flex-direction:column;font-weight:900;color:var(--ink);line-height:1.2;font-size:18px;white-space:nowrap}
    .brand-sub{font-weight:600;color:var(--muted);font-size:12px;margin-top:3px;letter-spacing:0}
    .main-menu{align-items:center;gap:6px;background:transparent}
    .main-menu a{border-radius:999px;padding:11px 16px;color:#40516a;font-weight:700;border:1px solid transparent}
    .main-menu li.is-active a,.main-menu a:hover{background:var(--primary-soft);border-color:#cfe0fb;color:var(--primary-dark)}
    .desktop-nav-cta{display:flex;align-items:center;gap:10px}
    .tiny-note{font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 12px;box-shadow:var(--shadow-sm)}
    .mobile-bottom-tabs{position:fixed;left:12px;right:12px;bottom:12px;z-index:80;display:none;grid-template-columns:repeat(2,1fr);gap:8px;padding:9px;border:1px solid rgba(199,215,236,.9);background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-radius:22px;box-shadow:0 18px 50px rgba(18,43,82,.18)}
    .mobile-bottom-tabs a{min-height:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border-radius:16px;color:var(--muted);font-size:12px;font-weight:700}
    .mobile-bottom-tabs a i{font-size:16px}
    .mobile-bottom-tabs a.is-active{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(47,111,237,.22)}
    .breadcrumb-row{padding:26px 0 0;color:var(--muted);font-size:14px}
    .breadcrumb-row a{color:var(--primary-dark);font-weight:700}
    .breadcrumb-row span{margin:0 8px;color:var(--weak)}
    .hero-category{padding:34px 0 66px;position:relative;overflow:hidden}
    .hero-category:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 82% 18%,rgba(47,111,237,.11),transparent 34%),linear-gradient(180deg,rgba(234,242,255,.62),rgba(255,255,255,0));pointer-events:none}
    .hero-category .grid-container{position:relative}
    .hero-panel{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.7fr);gap:34px;align-items:stretch}
    .hero-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:12px 18px;border-radius:13px;border:1px solid transparent;font-weight:800;line-height:1;color:var(--ink)}
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 14px 30px rgba(47,111,237,.22)}
    .btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 38px rgba(47,111,237,.28)}
    .btn-secondary{background:#fff;color:var(--primary-dark);border-color:var(--line-strong)}
    .btn-secondary:hover{background:var(--primary-soft);border-color:#b7cdf1;color:var(--primary-dark);transform:translateY(-1px)}
    .download-card{background:linear-gradient(180deg,#ffffff,#f7fbff);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .download-card:after{content:"";position:absolute;right:-32px;top:-32px;width:116px;height:116px;border-radius:999px;background:rgba(47,111,237,.08)}
    .cover-block{position:relative;border-radius:20px;padding:22px;background:linear-gradient(135deg,#eaf2ff,#ffffff 58%,#f4f8ff);border:1px solid #d9e6f8;min-height:210px;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
    .cover-icon{width:52px;height:52px;border-radius:16px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:22px;margin-bottom:18px}
    .cover-title{font-size:22px;font-weight:900;color:var(--ink);line-height:1.25;margin-bottom:10px}
    .cover-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
    .cover-list li{display:flex;align-items:center;gap:10px;color:#40516a;font-weight:650;font-size:14px}
    .cover-list i{color:var(--success)}
    .download-form{margin-top:18px;display:grid;gap:10px}
    .download-form label{font-size:13px;font-weight:800;color:var(--muted)}
    .download-form .input-group{margin:0;box-shadow:none}
    .download-form input{height:48px;border-radius:13px 0 0 13px;border:1px solid var(--line-strong);box-shadow:none;background:#fff;color:var(--ink)}
    .download-form .button{height:48px;margin:0;border-radius:0 13px 13px 0;background:var(--primary);font-weight:800}
    .filter-shell{margin-top:-28px;position:relative;z-index:2}
    .filter-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:22px}
    .filter-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
    .filter-title{font-weight:900;color:var(--ink);display:flex;align-items:center;gap:8px}
    .button-group{flex-wrap:wrap;margin:0;gap:8px}
    .button-group .button{margin:0;border-radius:999px;background:#fff;color:var(--text);border:1px solid var(--line);font-weight:800;padding:10px 15px}
    .button-group .button.active,.button-group .button:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
    .sort-tabs{display:flex;flex-wrap:wrap;gap:8px}
    .sort-tabs a{padding:8px 12px;border-radius:999px;background:var(--panel-soft);color:var(--muted);font-weight:800;font-size:13px;border:1px solid transparent}
    .sort-tabs a.is-current,.sort-tabs a:hover{background:#fff;border-color:var(--line-strong);color:var(--primary-dark)}
    .tag{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:6px 10px;background:var(--primary-soft);color:var(--primary-dark);font-size:12px;font-weight:800;line-height:1}
    .status{display:inline-flex;align-items:center;gap:6px;color:var(--success);font-weight:800;font-size:13px}
    .status:before{content:"";width:7px;height:7px;border-radius:99px;background:var(--success);box-shadow:0 0 0 4px rgba(24,160,88,.12)}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:26px;align-items:start}
    .list-stack{display:grid;gap:16px}
    .item-card{display:grid;grid-template-columns:112px minmax(0,1fr) auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
    .item-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b8cdf0}
    .thumb{width:112px;height:100px;border-radius:16px;background:linear-gradient(135deg,#edf5ff,#ffffff);border:1px solid var(--line);display:grid;place-items:center;color:var(--primary);font-size:28px;position:relative;overflow:hidden}
    .thumb:after{content:"";position:absolute;right:-18px;bottom:-18px;width:58px;height:58px;border-radius:999px;background:rgba(47,111,237,.1)}
    .item-body h3{margin-bottom:8px;font-size:20px}
    .item-body p{color:var(--muted);margin-bottom:12px}
    .meta-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
    .item-action{display:flex;flex-direction:column;gap:10px;align-items:flex-end;min-width:122px}
    .small-link{font-weight:900;color:var(--primary-dark);display:inline-flex;align-items:center;gap:7px}
    .small-link:hover{color:var(--primary);transform:translateX(2px)}
    .side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm);margin-bottom:16px}
    .side-card h3{font-size:19px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
    .check-list li{display:flex;gap:10px;align-items:flex-start;color:#40516a}
    .check-list i{margin-top:5px;color:var(--primary)}
    .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}
    .stat-num{font-size:30px;line-height:1;font-weight:900;color:var(--primary-dark);margin-bottom:8px}
    .stat-label{color:var(--muted);font-weight:700;font-size:14px}
    .process-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:24px;align-items:stretch}
    .process-note{background:linear-gradient(135deg,#edf5ff,#ffffff);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
    .steps{counter-reset:step;display:grid;gap:14px}
    .step{counter-increment:step;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:grid;grid-template-columns:46px 1fr;gap:14px;box-shadow:var(--shadow-sm)}
    .step:before{content:counter(step);width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:900}
    .pagination-wrap{display:flex;justify-content:center;gap:8px;margin-top:26px;flex-wrap:wrap}
    .page-btn{min-width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-weight:900}
    .page-btn.current,.page-btn:hover{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 12px 24px rgba(47,111,237,.18)}
    .faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
    .accordion{background:transparent;margin:0}
    .accordion-item{border-bottom:1px solid var(--line)}
    .accordion-item:last-child{border-bottom:none}
    .accordion-title{border:none!important;color:var(--ink);font-weight:900;font-size:17px;padding:20px 54px 20px 22px;background:#fff}
    .accordion-title:hover,.accordion-title:focus{background:var(--panel-soft);color:var(--primary-dark)}
    .accordion-content{border:none!important;color:var(--muted);padding:0 22px 20px;background:#fff}
    .cta-panel{background:linear-gradient(135deg,#ffffff,#edf5ff);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;position:relative;overflow:hidden}
    .cta-panel:after{content:"";position:absolute;right:8%;top:-70px;width:180px;height:180px;border-radius:999px;background:rgba(47,111,237,.08);pointer-events:none}
    .cta-panel > *{position:relative}
    .site-footer{background:#fff;border-top:1px solid var(--line);padding:54px 0 92px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:24px;margin-bottom:28px}
    .footer-block{min-width:0}
    .footer-block h3{font-size:17px;margin-bottom:12px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-weight:700}
    .footer-links a:hover{color:var(--primary-dark);text-decoration:underline;text-underline-offset:4px}
    .sr-chip{display:inline-flex;max-width:100%;padding:6px 9px;border-radius:999px;background:var(--panel-soft);color:var(--muted);font-size:12px;word-break:break-all}
    .copyright{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    @media (max-width:1024px){
      .hero-panel,.content-layout,.process-grid{grid-template-columns:1fr}
      .download-card{max-width:680px}
      .stats-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
      .item-card{grid-template-columns:96px 1fr}.item-action{grid-column:2;align-items:flex-start;flex-direction:row;flex-wrap:wrap}.thumb{width:96px;height:92px}
    }
    @media (max-width:768px){
      body{padding-bottom:86px}
      .top-nav-wrap{min-height:66px}.brand-mark{width:38px;height:38px}.brand-text{font-size:16px}.brand-sub{display:none}
      .mobile-bottom-tabs{display:grid}
      .hero-copy{padding:26px}.hero-category{padding-bottom:48px}
      .filter-top{align-items:flex-start;flex-direction:column}
      .stats-grid{grid-template-columns:1fr 1fr}
      .cta-panel{grid-template-columns:1fr;padding:26px}.cta-panel .hero-actions{margin-top:4px}
    }
    @media (max-width:520px){
      .section{padding:52px 0}.breadcrumb-row{padding-top:18px}
      .hero-copy,.download-card,.filter-card,.side-card,.process-note,.cta-panel{border-radius:20px;padding:20px}
      .item-card{grid-template-columns:1fr;gap:12px}.thumb{width:100%;height:118px}.item-action{grid-column:auto;flex-direction:column;align-items:stretch}.item-action .btn{width:100%}
      .button-group .button{flex:1 1 auto}.sort-tabs a{flex:1 1 auto;text-align:center}
      .stats-grid,.footer-grid{grid-template-columns:1fr}
      .download-form .input-group{display:grid}.download-form input{border-radius:13px}.download-form .button{border-radius:13px;margin-top:8px;width:100%}
      .copyright{display:grid}.lead{font-size:16px}
    }