/* roulang page: index */
:root{
      --primary:#2468c5;
      --primary-dark:#174e9b;
      --primary-soft:#eaf3ff;
      --cyan:#2c9ab8;
      --yellow:#f2b94b;
      --coral:#e87962;
      --bg:#f5f8fc;
      --surface:#ffffff;
      --surface-blue:#f0f6ff;
      --text:#1d3048;
      --muted:#6d7e93;
      --line:#dce6f1;
      --success:#23866c;
      --danger:#bd574e;
      --radius-lg:24px;
      --radius-md:16px;
      --radius-sm:10px;
      --shadow:0 14px 38px rgba(38,75,119,.09);
      --shadow-hover:0 18px 42px rgba(38,75,119,.15);
      --container:1220px;
      --ease:220ms ease;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.75;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
    a:hover{color:var(--primary)}
    img{display:block;max-width:100%;height:auto}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{max-width:var(--container);margin:0 auto;padding:0 22px}
    .site-header{padding:20px 0 0}
    .nav-panel{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:22px;
      padding:13px 16px 13px 22px;
      background:rgba(255,255,255,.94);
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow);
    }
    .brand{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:285px;
      color:var(--text);
      font-weight:800;
      letter-spacing:-.03em;
      line-height:1.22;
    }
    .brand-mark{
      width:42px;height:42px;
      display:grid;place-items:center;
      flex:0 0 42px;
      border-radius:13px;
      color:#fff;
      background:var(--primary);
      font-size:20px;
      box-shadow:0 7px 16px rgba(36,104,197,.22);
    }
    .brand-name{font-size:17px}
    .brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.04em;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:8px;flex:1}
    .nav-link{
      display:flex;align-items:center;gap:7px;
      padding:9px 13px;
      color:var(--muted);
      border:1px solid transparent;
      border-radius:11px;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover{color:var(--primary);background:var(--primary-soft);border-color:#cfe1f9}
    .nav-link.active{color:var(--primary);background:var(--primary-soft);border-color:#c8dcf5}
    .nav-icon{font-size:16px}
    .nav-cta,.btn-primary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:10px 18px;
      color:#fff!important;
      background:var(--primary);
      border:1px solid var(--primary);
      border-radius:11px;
      font-size:14px;font-weight:800;
      box-shadow:0 8px 17px rgba(36,104,197,.18);
    }
    .nav-cta:hover,.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(36,104,197,.24)}
    .btn-primary:active,.nav-cta:active{transform:translateY(0)}
    .btn-primary:focus-visible,.nav-cta:focus-visible,.btn-secondary:focus-visible,.btn-text:focus-visible,.nav-link:focus-visible,.faq-button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,104,197,.24);outline-offset:3px}
    .btn-secondary{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:10px 18px;
      color:var(--primary)!important;background:#fff;
      border:1px solid #bfd5ee;border-radius:11px;
      font-size:14px;font-weight:800;
    }
    .btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}
    .btn-text{color:var(--primary);font-size:14px;font-weight:800}
    .mobile-toggle{display:none;border:0;background:var(--primary-soft);color:var(--primary);border-radius:10px;padding:9px 12px;font-size:20px}
    .hero{padding:66px 0 52px}
    .hero-shell{
      display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
    }
    .eyebrow,.section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.05em;
    }
    .eyebrow::before,.section-kicker::before{content:"";width:22px;height:2px;background:var(--yellow);border-radius:5px}
    h1,h2,h3{margin:0;color:var(--text);font-weight:800;letter-spacing:-.04em;line-height:1.25}
    h1{max-width:700px;margin-top:14px;font-size:clamp(35px,4.5vw,62px)}
    h2{font-size:clamp(27px,3vw,40px)}
    h3{font-size:20px}
    .hero-copy p{max-width:650px;margin:22px 0 28px;color:var(--muted);font-size:17px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-note{display:flex;align-items:center;gap:12px;margin-top:23px;color:var(--muted);font-size:13px}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px #d9f1e9}
    .dashboard{
      position:relative;padding:25px;
      background:var(--surface);
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:0 22px 55px rgba(38,75,119,.12);
    }
    .dashboard::before{content:"";position:absolute;left:25px;right:25px;top:0;height:4px;background:var(--primary);border-radius:0 0 8px 8px}
    .dash-top{display:flex;align-items:flex-start;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
    .dash-top strong{display:block;font-size:19px}
    .dash-top span{color:var(--muted);font-size:13px}
    .live-badge,.badge-soft,.badge-yellow,.badge-coral{
      display:inline-flex;align-items:center;gap:5px;
      padding:5px 9px;border-radius:30px;font-size:12px;font-weight:800;white-space:nowrap
    }
    .live-badge{color:var(--success);background:#e6f6f0}
    .badge-soft{color:var(--primary);background:var(--primary-soft)}
    .badge-yellow{color:#91631d;background:#fff4d9}
    .badge-coral{color:#a34e40;background:#fff0ed}
    .metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
    .metric{padding:16px;background:var(--surface-blue);border:1px solid #deebf9;border-radius:14px}
    .metric:last-child{grid-column:span 2}
    .metric-label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;font-weight:700}
    .metric-value{margin:5px 0 1px;color:var(--primary);font-size:28px;font-weight:850;line-height:1.2}
    .metric-desc{color:var(--muted);font-size:12px}
    .progress-line{height:6px;margin-top:10px;overflow:hidden;background:#d8e7f7;border-radius:10px}
    .progress-line i{display:block;width:88%;height:100%;background:var(--cyan);border-radius:10px}
    .section{padding:58px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}
    .section-head p{max-width:570px;margin:8px 0 0;color:var(--muted);font-size:15px}
    .matrix{display:grid;grid-template-columns:1.25fr .85fr .85fr;grid-template-rows:1fr 1fr;gap:16px}
    .matrix-card,.content-card,.quote-card,.step-card,.compare-card,.faq-item,.form-card,.contact-card{
      background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow);
      transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)
    }
    .matrix-card:hover,.content-card:hover,.quote-card:hover,.step-card:hover,.compare-card:hover,.faq-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#c4d9f1}
    .matrix-card{padding:25px;min-height:180px}
    .matrix-card.featured{grid-row:span 2;padding:30px;background:var(--primary);color:#fff;border-color:var(--primary)}
    .matrix-card.featured h3,.matrix-card.featured p{color:#fff}
    .matrix-card h3{margin:14px 0 9px}
    .matrix-card p{margin:0 0 18px;color:var(--muted);font-size:14px;line-height:1.7}
    .matrix-card.featured p{color:#dceaff}
    .card-symbol{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;color:var(--primary);background:var(--primary-soft);font-size:19px}
    .featured .card-symbol{color:#fff;background:rgba(255,255,255,.16)}
    .matrix-card .btn-text{font-size:13px}
    .featured .btn-text{color:#fff}
    .content-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .content-card{padding:24px}
    .content-card.large{background:var(--surface-blue)}
    .content-card h3{margin:12px 0 8px}
    .content-card p{margin:0;color:var(--muted);font-size:14px}
    .content-meta{display:flex;gap:7px;flex-wrap:wrap}
    .topic-list{display:grid;gap:12px;margin-top:18px}
    .topic-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 15px;background:#fff;border:1px solid var(--line);border-radius:12px}
    .topic-item span:first-child{font-weight:750;font-size:14px}
    .topic-item small{color:var(--muted)}
    .quote-section{background:#edf5ff}
    .quote-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .quote-card{padding:27px}
    .quote-card blockquote{margin:13px 0 0;font-size:21px;font-weight:750;line-height:1.6}
    .quote-card cite{display:block;margin-top:16px;color:var(--muted);font-size:13px;font-style:normal}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .step-card{padding:23px}
    .step-num{color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.08em}
    .step-card h3{margin:12px 0 8px}
    .step-card p{margin:0;color:var(--muted);font-size:14px}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .compare-card{padding:26px}
    .compare-card.after{border-top:4px solid var(--primary)}
    .compare-card.before{border-top:4px solid #c7d2df}
    .compare-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:17px}
    .compare-title h3{font-size:19px}
    .compare-list{list-style:none;padding:0;margin:0;display:grid;gap:13px}
    .compare-list li{display:flex;gap:10px;color:var(--muted);font-size:14px}
    .compare-list li::before{content:"";width:7px;height:7px;flex:0 0 7px;margin-top:9px;border-radius:50%;background:#b6c3d1}
    .after .compare-list li::before{background:var(--cyan)}
    .faq-list{display:grid;gap:11px;max-width:900px;margin:0 auto}
    .faq-item{overflow:hidden}
    .faq-button{width:100%;padding:19px 22px;display:flex;justify-content:space-between;align-items:center;gap:20px;border:0;background:#fff;color:var(--text);font-weight:800;text-align:left}
    .faq-button:hover{color:var(--primary);background:#fbfdff}
    .faq-button::after{content:"＋";color:var(--primary);font-size:22px;font-weight:400}
    .faq-button:not(.collapsed)::after{content:"－"}
    .faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta-section{padding:66px 0}
    .cta-shell{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;align-items:stretch}
    .contact-card{padding:30px;background:var(--primary);color:#fff;border-color:var(--primary)}
    .contact-card h2{color:#fff;font-size:30px}
    .contact-card p{color:#dceaff;margin:15px 0 25px;font-size:15px}
    .contact-points{display:grid;gap:12px;color:#e9f2ff;font-size:14px}
    .contact-points span{display:flex;gap:9px;align-items:center}
    .form-card{padding:30px}
    .form-card h3{margin-bottom:20px}
    .form-label{display:block;margin-bottom:7px;color:var(--text);font-size:13px;font-weight:800}
    .form-control,.form-select{
      width:100%;min-height:46px;padding:10px 13px;
      color:var(--text);background:#fbfdff;border:1px solid var(--line);border-radius:10px;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease)
    }
    textarea.form-control{min-height:105px;resize:vertical}
    .form-control:hover,.form-select:hover{border-color:#afc9e5}
    .form-control:focus,.form-select:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,104,197,.12);outline:0}
    .form-control.is-invalid,.form-select.is-invalid{border-color:var(--danger);box-shadow:0 0 0 4px rgba(189,87,78,.1)}
    .invalid-feedback{color:var(--danger);font-size:12px;margin-top:5px}
    .form-note{margin:12px 0 0;color:var(--muted);font-size:12px}
    .form-status{display:none;margin-top:15px;padding:11px 13px;color:var(--success);background:#e8f6f0;border:1px solid #c8e9dc;border-radius:10px;font-size:13px}
    .form-status.show{display:block}
    .site-footer{padding:30px 0 35px;border-top:1px solid var(--line);background:#fff}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}
    .footer-brand{font-weight:850;font-size:17px}
    .footer-desc{max-width:330px;margin:10px 0 0;color:var(--muted);font-size:13px}
    .footer-title{margin-bottom:10px;font-size:13px;font-weight:850}
    .footer-links{display:grid;gap:6px;color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--primary)}
    .copyright{display:flex;justify-content:space-between;gap:20px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
    .anchor-offset{scroll-margin-top:25px}
    @media (max-width:1024px){
      .brand{min-width:245px}.nav-panel{gap:12px}.nav-link{padding:8px 9px}
      .hero-shell{gap:28px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.featured{grid-row:span 2}
    }
    @media (max-width:768px){
      .site-header{padding-top:12px}.nav-panel{position:relative;flex-wrap:wrap;padding:12px 14px}
      .brand{min-width:0;flex:1}.brand-name{font-size:15px}.brand-mark{width:38px;height:38px;flex-basis:38px}
      .mobile-toggle{display:block}.nav-cta{order:4;width:100%;display:none}
      .nav-links{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;padding-top:8px;border-top:1px solid var(--line)}
      .nav-links.open,.nav-cta.open{display:flex}.nav-link{justify-content:flex-start;padding:11px 13px}
      .hero{padding:45px 0 30px}.hero-shell,.content-strip,.quote-grid,.cta-shell{grid-template-columns:1fr}
      h1{font-size:39px}.hero-copy p{font-size:16px}.dashboard{padding:21px}
      .section{padding:42px 0}.section-head{display:block}.section-head p{margin-top:11px}
      .matrix{grid-template-columns:1fr}.matrix-card.featured{grid-row:auto}
      .steps{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .container{padding:0 16px}.hero{padding-top:36px}h1{font-size:33px}
      .hero-actions a{width:100%}.metrics{gap:9px}.metric{padding:13px}.metric-value{font-size:24px}
      .compare-grid{grid-template-columns:1fr}.form-card,.contact-card,.quote-card{padding:22px}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }

/* roulang page: category2 */
:root{--primary:#2468c5;--primary-dark:#174e9b;--primary-soft:#eaf3ff;--cyan:#2c9ab8;--yellow:#f2b94b;--coral:#e87962;--bg:#f5f8fc;--surface:#fff;--surface-blue:#f0f6ff;--text:#1d3048;--muted:#6d7e93;--line:#dce6f1;--success:#23866c;--danger:#bd574e;--radius-lg:24px;--radius-md:16px;--radius-sm:10px;--shadow:0 14px 38px rgba(38,75,119,.09);--shadow-hover:0 18px 42px rgba(38,75,119,.15);--ease:220ms ease}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:all var(--ease)}a:hover{color:var(--primary)}img{display:block;max-width:100%;height:auto}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:1220px;margin:auto;padding:0 22px}
.site-header{padding:20px 0 0}.nav-panel{min-height:76px;display:flex;align-items:center;gap:22px;padding:13px 16px 13px 22px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:12px;min-width:285px;color:var(--text);font-weight:800;line-height:1.22}.brand-mark{width:42px;height:42px;display:grid;place-items:center;flex:0 0 42px;border-radius:13px;color:#fff;background:var(--primary);font-size:20px;box-shadow:0 7px 16px rgba(36,104,197,.22)}.brand-name{font-size:17px;letter-spacing:-.03em}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.04em;margin-top:2px}.nav-links{display:flex;align-items:center;gap:8px;flex:1}.nav-link{display:flex;align-items:center;gap:7px;padding:9px 13px;color:var(--muted);border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-soft);border-color:#c8dcf5}.nav-icon{font-size:16px}.nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;color:#fff!important;background:var(--primary);border:1px solid var(--primary);border-radius:11px;font-size:14px;font-weight:800;box-shadow:0 8px 17px rgba(36,104,197,.18)}.nav-cta:hover,.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;color:var(--primary)!important;background:#fff;border:1px solid #bfd5ee;border-radius:11px;font-size:14px;font-weight:800}.btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}.btn-text{color:var(--primary);font-size:14px;font-weight:800}.mobile-toggle{display:none;border:0;background:var(--primary-soft);color:var(--primary);border-radius:10px;padding:8px 12px;font-size:20px}.nav-link:focus-visible,.nav-cta:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.faq-button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(36,104,197,.25);outline-offset:3px}
.hero{padding:54px 0 36px}.hero-row{display:grid;grid-template-columns:1fr 1.1fr;gap:42px;align-items:end}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.05em}.eyebrow:before,.section-kicker:before{content:"";width:22px;height:2px;background:var(--yellow);border-radius:4px}.hero h1{margin:16px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.16;letter-spacing:-.055em}.hero p{margin:0;color:var(--muted);font-size:17px;max-width:630px}.status-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.badge-soft,.badge-yellow,.badge-coral,.live-badge{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border-radius:30px;font-size:12px;font-weight:800;white-space:nowrap}.badge-soft{color:var(--primary);background:var(--primary-soft)}.badge-yellow{color:#91631d;background:#fff4d9}.badge-coral{color:#a34e40;background:#fff0ed}.live-badge{color:var(--success);background:#e6f6f0}
.index-board{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:25px;position:relative;overflow:hidden}.index-board:after{content:"";position:absolute;right:-70px;top:-90px;width:210px;height:210px;border:28px solid var(--primary-soft);border-radius:50%}.board-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.board-title{font-weight:800}.board-note{font-size:12px;color:var(--muted)}.index-list{margin-top:19px;position:relative;z-index:1}.index-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}.index-item:last-child{border-bottom:0}.index-no{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-weight:800}.index-item h3{font-size:16px;margin:0 0 3px}.index-item p{margin:0;color:var(--muted);font-size:13px}.state{font-size:12px;color:var(--success);font-weight:800}.section{padding:54px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px}.section-head h2{margin:7px 0 0;font-size:clamp(25px,3vw,36px);letter-spacing:-.04em}.section-head p{max-width:530px;margin:7px 0 0;color:var(--muted);font-size:15px}
.topic-layout{display:grid;grid-template-columns:280px 1fr;gap:22px}.side-card,.preview-card,.timeline-item,.faq-item,.form-card,.contact-card,.cta-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow)}.side-card{padding:22px;height:max-content}.side-card h3{font-size:16px;margin:0 0 16px}.side-group{padding:14px 0;border-top:1px solid var(--line)}.side-label{display:block;margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:800}.filter{display:flex;gap:7px;align-items:center;padding:7px 9px;color:var(--muted);font-size:13px;border-radius:8px}.filter:hover,.filter.active{color:var(--primary);background:var(--primary-soft)}.topic-main{min-width:0}.active-filter{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px;padding:13px 17px;background:var(--surface-blue);border:1px solid #d2e3f6;border-radius:12px;color:var(--muted);font-size:13px}.active-filter strong{color:var(--text)}.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:54px 1fr auto;gap:15px;align-items:center;padding:18px 20px;transition:all var(--ease)}.timeline-item:hover{transform:translateX(4px);border-color:#bfd6f0;box-shadow:var(--shadow-hover)}.timeline-index{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;color:var(--primary);background:var(--primary-soft);font-size:13px;font-weight:800}.timeline-item h3{margin:0 0 3px;font-size:17px}.timeline-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}.item-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:8px}.timeline-item .btn-text{white-space:nowrap}
.preview-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:18px}.preview-card{padding:24px;background:var(--primary);color:#fff}.preview-card h3{font-size:24px;line-height:1.35;margin:14px 0 10px}.preview-card p{margin:0;color:#dceaff;font-size:14px}.preview-cover{min-height:190px;display:flex;align-items:flex-end;padding:20px;border-radius:13px;background:linear-gradient(135deg,#dcecff 0%,#a9cbed 48%,#5a8fc8 100%);color:var(--text);position:relative;overflow:hidden}.preview-cover:before{content:"字幕清晰度 · 在线状态";position:absolute;top:17px;left:18px;color:#fff;background:rgba(23,78,155,.75);padding:5px 9px;border-radius:20px;font-size:11px;font-weight:800}.preview-cover strong{font-size:21px}.tip-card{padding:22px;background:var(--surface-blue);border:1px solid #d2e3f6;border-radius:var(--radius-md)}.tip-card h3{font-size:18px;margin:0 0 10px}.tip-card p{margin:0;color:var(--muted);font-size:14px}.tip-list{list-style:none;padding:0;margin:18px 0 0}.tip-list li{padding:8px 0;border-bottom:1px solid #d6e5f4;font-size:13px}.tip-list li:last-child{border:0}
.faq-list{display:grid;gap:11px;max-width:900px}.faq-item{overflow:hidden}.faq-button{width:100%;display:flex;justify-content:space-between;gap:18px;padding:19px 22px;border:0;background:#fff;color:var(--text);font-weight:800;text-align:left}.faq-button:hover{color:var(--primary);background:var(--surface-blue)}.faq-button span:last-child{color:var(--primary);font-size:21px;line-height:1}.faq-answer{padding:0 22px 19px;color:var(--muted);font-size:14px}.cta-box{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;padding:31px 34px;background:var(--surface-blue);border-color:#cfe1f4}.cta-box h2{margin:0 0 7px;font-size:27px}.cta-box p{margin:0;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:20px;margin-top:20px}.contact-card{padding:27px;background:var(--primary);color:#fff}.contact-card h3{font-size:24px;line-height:1.35;margin:12px 0}.contact-card p{color:#dceaff;font-size:14px}.form-card{padding:26px}.form-label{display:block;margin-bottom:6px;font-size:13px;font-weight:800}.form-control,.form-select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fbfdff;color:var(--text);transition:all var(--ease)}.form-control:hover,.form-select:hover{border-color:#abc8e8}.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,104,197,.1);outline:0}.form-note{margin:13px 0 0;color:var(--muted);font-size:12px}.site-footer{margin-top:35px;padding:44px 0 20px;background:#edf3fa;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px}.footer-brand{font-size:18px;font-weight:850}.footer-desc{max-width:360px;margin:10px 0 0;color:var(--muted);font-size:14px}.footer-title{margin-bottom:11px;font-size:13px;font-weight:800}.footer-links{display:grid;gap:7px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--primary)}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:17px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:992px){.brand{min-width:240px}.nav-panel{gap:12px}.hero-row{grid-template-columns:1fr}.topic-layout{grid-template-columns:220px 1fr}.preview-wrap{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.site-header{padding-top:12px}.nav-panel{position:relative;flex-wrap:wrap;padding:12px 14px}.brand{min-width:0;flex:1}.mobile-toggle{display:block}.nav-cta{order:3;width:100%}.nav-links{display:none;order:4;width:100%;flex-direction:column;align-items:stretch;padding-top:8px}.nav-links.open{display:flex}.nav-link{justify-content:center}.hero{padding-top:38px}.section{padding:42px 0}.topic-layout,.contact-grid,.preview-wrap{grid-template-columns:1fr}.side-card{height:auto}.side-group{display:inline-block;vertical-align:top;width:49%;border-top:0}.active-filter{align-items:flex-start;flex-direction:column}.timeline-item{grid-template-columns:43px 1fr}.timeline-item .btn-text{grid-column:2}.cta-box{grid-template-columns:1fr;padding:25px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column;gap:4px}}
@media(max-width:520px){.container{padding:0 16px}.brand-name{font-size:14px}.brand small{font-size:10px}.hero h1{font-size:34px}.hero p{font-size:15px}.hero-actions>*{width:100%}.index-board{padding:18px}.index-item{grid-template-columns:35px 1fr}.index-item .state{grid-column:2}.section-head{display:block}.section-head p{margin-top:10px}.side-group{width:100%;display:block;border-top:1px solid var(--line)}.timeline-item{padding:15px}.timeline-item h3{font-size:15px}.preview-card,.tip-card,.form-card,.contact-card{padding:21px}.footer-grid{grid-template-columns:1fr}.copyright{margin-top:24px}}

/* roulang page: category1 */
:root{--primary:#2468c5;--primary-dark:#174e9b;--primary-soft:#eaf3ff;--cyan:#2c9ab8;--yellow:#f2b94b;--coral:#e87962;--bg:#f5f8fc;--surface:#fff;--surface-blue:#f0f6ff;--text:#1d3048;--muted:#6d7e93;--line:#dce6f1;--success:#23866c;--danger:#bd574e;--radius-lg:24px;--radius-md:16px;--radius-sm:10px;--shadow:0 14px 38px rgba(38,75,119,.09);--shadow-hover:0 18px 42px rgba(38,75,119,.15);--container:1220px;--ease:220ms ease}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}a:hover{color:var(--primary)}img{display:block;max-width:100%;height:auto}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{max-width:var(--container);margin:0 auto;padding:0 22px}.site-header{padding:20px 0 0}.nav-panel{min-height:76px;display:flex;align-items:center;gap:22px;padding:13px 16px 13px 22px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:12px;min-width:285px;color:var(--text);font-weight:800;letter-spacing:-.03em;line-height:1.22}.brand-mark{width:42px;height:42px;display:grid;place-items:center;flex:0 0 42px;border-radius:13px;color:#fff;background:var(--primary);font-size:20px;box-shadow:0 7px 16px rgba(36,104,197,.22)}.brand-name{font-size:17px}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.04em;margin-top:2px}.nav-links{display:flex;align-items:center;gap:8px;flex:1}.nav-link{display:flex;align-items:center;gap:7px;padding:9px 13px;color:var(--muted);border:1px solid transparent;border-radius:11px;font-size:14px;font-weight:700;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-soft);border-color:#c8dcf5}.nav-icon{font-size:16px}.nav-cta,.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;color:#fff!important;background:var(--primary);border:1px solid var(--primary);border-radius:11px;font-size:14px;font-weight:800;box-shadow:0 8px 17px rgba(36,104,197,.18)}.nav-cta:hover,.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 22px rgba(36,104,197,.24)}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;color:var(--primary)!important;background:#fff;border:1px solid #bfd5ee;border-radius:11px;font-size:14px;font-weight:800}.btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary);transform:translateY(-2px)}.btn-text{color:var(--primary);font-size:14px;font-weight:800}.mobile-toggle{display:none;border:0;background:var(--primary-soft);color:var(--primary);border-radius:10px;padding:9px 12px;font-size:20px}.hero{padding:58px 0 38px}.hero-shell{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:stretch}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:.05em}.eyebrow::before,.section-kicker::before{content:"";width:22px;height:2px;background:var(--yellow);border-radius:5px}h1,h2,h3,h4{margin-top:0;line-height:1.25;letter-spacing:-.035em}h1{font-size:clamp(34px,4.1vw,58px);margin:16px 0 18px;max-width:730px}h2{font-size:clamp(26px,3vw,38px);margin:8px 0 12px}h3{font-size:21px;margin-bottom:9px}.hero-copy p{max-width:690px;margin:0 0 25px;color:var(--muted);font-size:17px;line-height:1.9}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{display:flex;align-items:center;gap:12px;margin-top:21px;color:var(--muted);font-size:13px}.live-badge,.badge-soft,.badge-yellow,.badge-coral{display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:30px;font-size:12px;font-weight:800;white-space:nowrap}.live-badge{color:var(--success);background:#e6f6f0}.badge-soft{color:var(--primary);background:var(--primary-soft)}.badge-yellow{color:#91631d;background:#fff4d9}.badge-coral{color:#a34e40;background:#fff0ed}.summary-panel{position:relative;padding:27px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}.summary-panel::after{content:"";position:absolute;width:150px;height:150px;right:-60px;top:-65px;border-radius:50%;background:var(--primary-soft)}.summary-top{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:19px}.summary-label{color:var(--muted);font-size:13px;font-weight:700}.summary-value{font-size:31px;font-weight:850;color:var(--primary);line-height:1.1}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{padding:15px;border:1px solid var(--line);border-radius:13px;background:var(--surface-blue)}.stat strong{display:block;font-size:20px;color:var(--text)}.stat span{display:block;color:var(--muted);font-size:12px;margin-top:3px}.section{padding:52px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:25px}.section-head p{max-width:610px;margin:8px 0 0;color:var(--muted);font-size:15px}.filter-layout{display:grid;grid-template-columns:270px 1fr;gap:24px;align-items:start}.filter-card{position:sticky;top:18px;padding:22px;background:var(--surface-blue);border:1px solid #cfe1f6;border-radius:var(--radius-md)}.filter-card h3{font-size:18px}.filter-group{padding:17px 0;border-top:1px solid #d7e5f3}.filter-group:first-of-type{border-top:0;padding-top:2px}.filter-title{display:block;margin-bottom:10px;font-size:13px;font-weight:800;color:var(--text)}.filter-option{display:flex;align-items:center;gap:8px;margin:8px 0;color:var(--muted);font-size:13px}.filter-option input{accent-color:var(--primary)}.filter-reset{display:block;width:100%;padding:9px;border:1px solid #bfd5ee;border-radius:9px;background:#fff;color:var(--primary);font-size:13px;font-weight:800}.filter-reset:hover{background:var(--primary);color:#fff}.result-bar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 16px;margin-bottom:17px;background:#fff;border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:13px}.result-tags{display:flex;gap:7px;flex-wrap:wrap}.content-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:16px}.content-card{overflow:hidden}.content-card.large{grid-row:span 2}.cover{height:145px;background:linear-gradient(135deg,#dbeaff,#edf7fb);position:relative;display:flex;align-items:end;padding:15px}.large .cover{height:208px}.cover-mark{position:absolute;right:20px;top:21px;width:55px;height:55px;border:1px solid rgba(36,104,197,.18);border-radius:18px;display:grid;place-items:center;color:var(--primary);font-size:25px;background:rgba(255,255,255,.7)}.cover-caption{position:relative;color:var(--primary-dark);font-weight:800;font-size:14px}.card-body{padding:19px}.card-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:10px}.card-body h3{font-size:19px;margin-bottom:8px}.card-body p{margin:0 0 16px;color:var(--muted);font-size:14px;line-height:1.7}.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}.process-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:20px}.step-card{padding:21px;background:#fff}.step-no{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary);font-weight:850;font-size:13px}.step-card h3{font-size:18px;margin:13px 0 6px}.step-card p{margin:0;color:var(--muted);font-size:14px}.faq-wrap{max-width:900px;margin:0 auto}.faq-item{margin-bottom:12px;overflow:hidden}.faq-button{width:100%;padding:20px 22px;border:0;background:#fff;color:var(--text);display:flex;align-items:center;justify-content:space-between;text-align:left;font-weight:800}.faq-button:not(.collapsed){color:var(--primary);background:var(--primary-soft)}.faq-button::after{content:"+";font-size:24px;font-weight:400;color:var(--primary)}.faq-button:not(.collapsed)::after{content:"−"}.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.8}.cta-panel{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding:34px;background:var(--primary);border-radius:var(--radius-lg);box-shadow:var(--shadow);color:#fff}.cta-panel h2{color:#fff;margin-bottom:10px}.cta-panel p{margin:0;color:#dbeaff;font-size:15px}.form-card{padding:25px;background:#fff}.form-label{display:block;color:var(--text);font-size:13px;font-weight:800;margin-bottom:6px}.form-control,.form-select{border:1px solid var(--line);border-radius:10px;padding:11px 13px;background:#fbfdff;color:var(--text)}.form-control:hover,.form-select:hover{border-color:#a9c7e9}.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(36,104,197,.13);background:#fff}.form-hint{color:var(--muted);font-size:12px;margin-top:12px}.site-footer{padding:50px 0 22px;margin-top:20px;background:#eaf2fb;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}.footer-brand{font-size:19px;font-weight:850}.footer-desc{max-width:360px;margin:11px 0 0;color:var(--muted);font-size:14px}.footer-title{margin-bottom:12px;font-size:14px;font-weight:850}.footer-links{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:14px}.footer-links a:hover{color:var(--primary);transform:translateX(3px)}.copyright{display:flex;justify-content:space-between;gap:16px;margin-top:38px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}@media(max-width:1024px){.brand{min-width:250px}.hero-shell{gap:25px}.filter-layout{grid-template-columns:230px 1fr}}@media(max-width:768px){.nav-panel{position:relative;flex-wrap:wrap}.brand{min-width:0;flex:1}.mobile-toggle{display:block}.nav-cta{order:3;width:100%}.nav-links{display:none;order:4;flex-basis:100%;flex-direction:column;align-items:stretch;padding-top:8px}.nav-links.show{display:flex}.nav-link{justify-content:flex-start}.hero{padding-top:42px}.hero-shell,.cta-panel{grid-template-columns:1fr}.summary-panel{max-width:620px}.filter-layout{grid-template-columns:1fr}.filter-card{position:static}.content-grid{grid-template-columns:1fr 1fr}.content-card.large{grid-row:auto}.large .cover{height:180px}.process-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{flex-direction:column;gap:3px}}@media(max-width:520px){.container{padding:0 16px}.site-header{padding-top:12px}.nav-panel{padding:11px 12px}.brand-name{font-size:14px}.brand-mark{width:37px;height:37px;flex-basis:37px}.hero{padding-top:34px}.hero-copy p{font-size:15px}.hero-actions a{width:100%}h1{font-size:34px}.section{padding:39px 0}.section-head{display:block}.content-grid,.stat-grid{grid-template-columns:1fr}.result-bar{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr}.copyright{margin-top:28px}.cta-panel{padding:25px}}