/* roulang page: index */
:root{
      --blue:#246b8e;--blue-deep:#173042;--blue-soft:#edf7fa;--peach:#e98f79;
      --peach-soft:#fff1ec;--ink:#244552;--muted:#617884;--line:#d9e7eb;
      --paper:#fcfefe;--white:#fff;--green:#3d9a78;--shadow-card:0 14px 38px rgba(32,77,99,.10);
      --shadow-hover:0 18px 42px rgba(32,77,99,.16);--radius-card:20px;--radius-control:12px;
      --section-space:clamp(56px,8vw,112px);--container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;padding-bottom:105px}
    img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(233,143,121,.65);outline-offset:3px}
    .container{max-width:var(--container);padding-left:24px;padding-right:24px}
    .topline{background:var(--blue-soft);color:var(--blue);font-size:13px;padding:7px 0}
    .site-header{background:rgba(252,254,254,.96);border-bottom:1px solid transparent;position:sticky;top:0;z-index:1030;transition:.2s ease}
    .site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(32,77,99,.06)}
    .navbar{min-height:76px}.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue-deep);letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:13px 20px 13px 20px;background:var(--peach-soft);position:relative}
    .brand-mark:after{content:"";position:absolute;width:17px;height:17px;border:2px solid var(--peach);border-radius:50%;left:10px;top:9px}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;font-weight:600}
    .nav-link{color:var(--muted)!important;padding:10px 14px!important;border-radius:10px;font-size:14px}
    .nav-link:hover,.nav-link.active{color:var(--blue-deep)!important;background:var(--blue-soft)}
    .nav-toggle{border:1px solid var(--line);color:var(--blue);border-radius:10px;padding:8px 12px}
    .btn-main,.btn-sub{min-height:48px;border-radius:12px;padding:11px 20px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s ease;border:1px solid var(--blue)}
    .btn-main{background:var(--blue);color:#fff}.btn-main:hover{background:#185875;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(36,107,142,.2)}
    .btn-main:active,.btn-sub:active{transform:translateY(0)}.btn-sub{background:#fff;color:var(--blue)}.btn-sub:hover{background:var(--blue-soft);color:var(--blue-deep)}
    .mega-wrap{position:relative}.mega-panel{position:absolute;right:-80px;top:52px;width:690px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-hover);padding:22px;display:none}
    .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{display:block}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:18px}.mega-panel h3{font-size:13px;color:var(--muted);margin:0 0 10px}
    .mega-link{display:block;padding:8px 10px;border-radius:9px;font-size:14px}.mega-link:hover{background:var(--blue-soft);color:var(--blue)}
    .mega-feature{background:var(--peach-soft);border-radius:15px;padding:16px}.mega-feature strong{display:block;color:var(--blue-deep);margin-bottom:6px}
    .eyebrow,.tag{display:inline-flex;align-items:center;border-radius:99px;padding:5px 11px;font-size:12px;font-weight:700;letter-spacing:.04em}
    .eyebrow{color:var(--blue);background:var(--blue-soft)}.tag{color:var(--blue);background:#f0f7f8}.tag.peach{color:#a85646;background:var(--peach-soft)}
    h1,h2,h3{color:var(--blue-deep);font-weight:750;letter-spacing:-.04em}h1{font-size:clamp(40px,5vw,58px);line-height:1.18;margin:18px 0}h2{font-size:clamp(30px,3.3vw,40px);line-height:1.25;margin:0 0 16px}h3{font-size:21px;line-height:1.35}
    .hero{padding:clamp(64px,9vw,116px) 0 70px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .hero-copy p{max-width:620px;color:var(--muted);font-size:18px;margin-bottom:26px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.micro-notes{display:flex;gap:20px;flex-wrap:wrap;margin-top:25px;color:var(--muted);font-size:13px}.micro-notes span:before{content:"✓";color:var(--green);font-weight:800;margin-right:7px}
    .hero-art{min-height:410px;position:relative;background:var(--blue-soft);border-radius:44px 44px 44px 120px;padding:32px;display:flex;align-items:center;justify-content:center}
    .hero-art:before{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(36,107,142,.22);border-radius:50%;right:-55px;bottom:-70px}
    .content-board{position:relative;width:min(100%,390px);background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-card);transform:rotate(-3deg)}
    .board-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:16px}.board-head b{font-size:19px}
    .progress-ring{width:76px;height:76px;border-radius:50%;background:conic-gradient(var(--peach) 0 68%,#e7f0f2 68%);display:grid;place-items:center}.progress-ring span{width:58px;height:58px;background:#fff;border-radius:50%;display:grid;place-items:center;color:var(--blue);font-size:13px;font-weight:800}
    .board-row{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid #edf3f4}.thumb{width:52px;height:42px;border-radius:12px;background:var(--peach-soft);position:relative}.thumb:after{content:"";position:absolute;width:21px;height:21px;border:2px solid var(--peach);border-radius:50%;left:15px;top:9px}.board-row strong{font-size:14px}.board-row small{display:block;color:var(--muted);font-size:12px}
    .float-note{position:absolute;right:-8px;top:40px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px 15px;box-shadow:var(--shadow-card);font-size:13px}.float-note b{color:var(--green)}
    section{padding:var(--section-space) 0}.section-head{max-width:690px;margin-bottom:35px}.section-head p{color:var(--muted);margin:0}
    .points{display:grid;grid-template-columns:1fr 1.12fr .9fr;gap:18px;align-items:start}.point{padding:25px;border-top:3px solid var(--blue);background:#fff;border-radius:16px;box-shadow:var(--shadow-card);min-height:180px;transition:.2s}.point:nth-child(2){margin-top:28px;border-top-color:var(--peach)}.point:nth-child(3){margin-top:8px;border-top-color:var(--green)}.point:hover,.content-card:hover,.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}.point-number{color:var(--peach);font-size:13px;font-weight:800}.point h3{margin:12px 0 7px}.point p{font-size:14px;color:var(--muted);margin:0}
    .scene{background:var(--blue-soft);border-radius:34px;padding:clamp(28px,5vw,62px)}.scene-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:50px;align-items:center}.pills{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.pill{border:1px solid #c8dce2;background:#fff;padding:8px 13px;border-radius:99px;font-size:13px;color:var(--muted)}.pill.active{background:var(--blue);border-color:var(--blue);color:#fff}
    .preview-stack{position:relative;min-height:330px}.preview{background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px;box-shadow:var(--shadow-card);position:absolute;width:78%}.preview.one{top:0;left:0}.preview.two{right:0;top:100px;background:var(--peach-soft)}.preview.three{left:12%;top:210px}.preview-top{display:flex;justify-content:space-between;gap:12px}.preview p{font-size:14px;color:var(--muted);margin:10px 0 0}.step{color:var(--blue);font-weight:800;font-size:12px}
    .recognition{display:grid;grid-template-columns:.75fr 1.25fr;gap:50px;align-items:start}.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.quote{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;transition:.2s}.quote p{margin:0 0 15px;font-size:15px}.quote small{color:var(--muted)}.mechanism{margin-top:22px;padding:16px;background:var(--blue-soft);border-radius:14px;color:var(--blue-deep);font-size:14px}
    .info-band{display:grid;grid-template-columns:1fr 1.2fr;gap:34px;align-items:center;background:var(--peach-soft);border-radius:24px;padding:30px}.info-band p{color:var(--muted);margin:0}.update-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.update{background:#fff;border-radius:14px;padding:15px;border:1px solid rgba(233,143,121,.25)}.update strong{display:block;font-size:14px}.update small{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px}.accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;background:#fff}.accordion-button{font-weight:700;color:var(--blue-deep);background:#fff;padding:18px 20px}.accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft);box-shadow:none}.accordion-body{color:var(--muted);padding:0 20px 20px}
    .contact{background:var(--blue);color:#fff;border-radius:28px;padding:42px}.contact h2{color:#fff}.contact p{color:#dcecf1}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}.field label{display:block;font-size:13px;margin-bottom:5px;color:#dcecf1}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);color:#fff;border-radius:10px;padding:12px}.field option{color:var(--ink)}.field.full{grid-column:1/-1}.contact .btn-main{background:var(--peach);border-color:var(--peach)}
    footer{background:var(--blue-deep);color:#c9dce2;padding:58px 0 28px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-brand{color:#fff;font-size:20px;font-weight:800}.footer-grid h3{color:#fff;font-size:14px;margin-bottom:14px}.footer-grid a{display:block;color:#b6cbd2;font-size:14px;padding:3px 0}.footer-grid a:hover{color:var(--peach)}.footer-desc{font-size:14px;max-width:300px;margin-top:12px}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .fixed-cta{position:fixed;z-index:1040;bottom:18px;left:50%;transform:translateX(-50%);width:min(1100px,calc(100% - 40px));background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-hover);padding:13px 18px;display:flex;justify-content:space-between;align-items:center;gap:20px}.fixed-cta p{margin:0;font-size:14px;color:var(--blue-deep)}.fixed-cta p span{color:var(--peach);font-weight:800}.fixed-actions{display:flex;gap:8px}.fixed-cta .btn-main,.fixed-cta .btn-sub{min-height:40px;padding:7px 15px;font-size:13px}
    @media(max-width:991px){.hero-grid,.scene-grid,.recognition,.faq-grid{grid-template-columns:1fr;gap:35px}.hero-art{max-width:600px}.mega-panel{right:-10px;width:620px}.footer-grid{grid-template-columns:1fr 1fr}.points{grid-template-columns:1fr 1fr}.point:nth-child(2),.point:nth-child(3){margin-top:0}}
    @media(max-width:767px){body{padding-bottom:78px}.container{padding-left:18px;padding-right:18px}.navbar{min-height:66px}.brand{font-size:14px}.brand-mark{width:32px;height:32px}.hero{padding-top:55px}.hero-copy p{font-size:16px}h1{font-size:clamp(36px,10vw,44px)}.hero-actions .btn-main,.hero-actions .btn-sub{width:100%}.hero-art{min-height:330px;border-radius:30px 30px 30px 75px;padding:20px}.float-note{right:0;top:20px}.points,.quote-grid,.update-list{grid-template-columns:1fr}.info-band{grid-template-columns:1fr;padding:24px}.contact-form{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:8px}.fixed-cta{bottom:0;width:100%;border-radius:14px 14px 0 0;padding:9px 12px}.fixed-cta p{font-size:12px}.fixed-actions .btn-sub{display:none}.fixed-actions .btn-main{min-height:38px}.mega-panel{position:static;width:100%;margin-top:8px;box-shadow:none}.mega-grid{grid-template-columns:1fr 1fr}.mega-feature{grid-column:1/-1}}
    @media(max-width:520px){.footer-grid{grid-template-columns:1fr}.fixed-cta p{max-width:145px}.nav-link{padding:9px 10px!important}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --blue:#246b8e;
      --blue-deep:#173042;
      --blue-soft:#edf7fa;
      --peach:#e98f79;
      --peach-soft:#fff1ec;
      --ink:#244552;
      --muted:#617884;
      --line:#d9e7eb;
      --paper:#fcfefe;
      --white:#fff;
      --green:#3d9a78;
      --shadow-card:0 14px 38px rgba(32,77,99,.10);
      --shadow-hover:0 18px 42px rgba(32,77,99,.16);
      --radius-card:20px;
      --radius-control:12px;
      --section-space:clamp(56px,8vw,112px);
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font:16px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      padding-bottom:105px;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(233,143,121,.55);
      outline-offset:3px;
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      color:var(--blue-deep);
      font-size:clamp(38px,5vw,56px);
      line-height:1.16;
      letter-spacing:-.03em;
      font-weight:700;
      margin-bottom:20px;
    }
    h2{
      color:var(--blue-deep);
      font-size:clamp(30px,3.4vw,38px);
      line-height:1.25;
      letter-spacing:-.02em;
      margin-bottom:14px;
    }
    h3{font-size:21px;line-height:1.35;color:var(--blue-deep)}
    .container{max-width:var(--container);padding-left:24px;padding-right:24px}
    .site-header{
      background:rgba(252,254,254,.97);
      border-bottom:1px solid transparent;
      position:sticky;
      top:0;
      z-index:1030;
      transition:.2s ease;
    }
    .site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(32,77,99,.06)}
    .navbar{min-height:76px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      color:var(--blue-deep);
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;height:38px;
      border-radius:13px 20px 13px 20px;
      background:var(--peach-soft);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:17px;height:17px;
      border:2px solid var(--peach);
      border-radius:50%;
      left:10px;top:9px;
    }
    .brand small{
      display:block;
      color:var(--muted);
      font-size:10px;
      letter-spacing:.08em;
      font-weight:600;
    }
    .nav-link{
      color:var(--muted)!important;
      padding:10px 14px!important;
      border-radius:10px;
      font-size:14px;
    }
    .nav-link:hover,.nav-link.active{color:var(--blue-deep)!important;background:var(--blue-soft)}
    .nav-toggle{border:1px solid var(--line);color:var(--blue);border-radius:10px;padding:8px 12px}
    .btn-main,.btn-sub{
      min-height:48px;
      border-radius:12px;
      padding:11px 20px;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:.2s ease;
      border:1px solid var(--blue);
    }
    .btn-main{background:var(--blue);color:#fff}
    .btn-main:hover{background:#185875;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(36,107,142,.2)}
    .btn-main:active,.btn-sub:active{transform:translateY(0)}
    .btn-sub{background:#fff;color:var(--blue)}
    .btn-sub:hover{background:var(--blue-soft);color:var(--blue-deep)}
    .mega-wrap{position:relative}
    .mega-panel{
      position:absolute;
      right:-80px;
      top:52px;
      width:690px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-hover);
      padding:22px;
      display:none;
    }
    .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{display:block}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:18px}
    .mega-panel h3{font-size:13px;color:var(--muted);margin:0 0 10px}
    .mega-link{display:block;padding:8px 10px;border-radius:9px;font-size:14px}
    .mega-link:hover{background:var(--blue-soft);color:var(--blue)}
    .mega-feature{background:var(--peach-soft);border-radius:15px;padding:16px}
    .mega-feature strong{display:block;color:var(--blue-deep);margin-bottom:6px}
    .eyebrow,.tag{
      display:inline-flex;
      align-items:center;
      border-radius:99px;
      padding:5px 11px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .eyebrow{color:var(--blue);background:var(--blue-soft)}
    .tag{color:var(--blue);background:#f0f7f8}
    .tag.peach{color:#a85646;background:var(--peach-soft)}
    .page-intro{padding:72px 0 48px}
    .breadcrumb-wrap{font-size:13px;color:var(--muted);margin-bottom:28px}
    .breadcrumb-wrap a{color:var(--blue)}
    .intro-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:end}
    .intro-copy p{max-width:720px;color:var(--muted);font-size:17px;margin-bottom:0}
    .keyword-cloud{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}
    .cloud-item{
      border:1px solid var(--line);
      border-radius:99px;
      background:#fff;
      color:var(--blue);
      padding:8px 13px;
      font-size:13px;
      transition:.2s ease;
    }
    .cloud-item:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .content-area{padding:30px 0 var(--section-space)}
    .filter-panel{
      position:sticky;
      top:100px;
      border-right:1px solid var(--line);
      padding-right:25px;
    }
    .filter-panel h2{font-size:22px;margin-bottom:8px}
    .filter-note{font-size:13px;color:var(--muted);margin-bottom:25px}
    .filter-group{padding:18px 0;border-top:1px solid var(--line)}
    .filter-group h3{font-size:14px;margin-bottom:10px}
    .filter-option{
      display:flex;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin:9px 0;
      cursor:pointer;
    }
    .filter-option input{accent-color:var(--blue);width:16px;height:16px}
    .filter-reset{
      border:0;
      background:transparent;
      color:var(--blue);
      padding:7px 0;
      font-size:13px;
      cursor:pointer;
    }
    .path-strip{
      display:flex;
      gap:12px;
      overflow:auto;
      padding:3px 2px 18px;
      scrollbar-width:thin;
    }
    .path-item{
      min-width:170px;
      flex:1;
      border:1px solid var(--line);
      border-radius:15px;
      padding:15px 16px;
      background:#fff;
      transition:.2s ease;
    }
    .path-item:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow-card)}
    .path-item strong{display:block;font-size:15px;color:var(--blue-deep);margin:7px 0 3px}
    .path-item small{display:block;color:var(--muted);font-size:12px;white-space:nowrap}
    .path-icon{
      width:29px;height:29px;
      border-radius:9px;
      display:flex;align-items:center;justify-content:center;
      background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:13px;
    }
    .path-item:nth-child(2) .path-icon{background:var(--peach-soft);color:var(--peach)}
    .path-item:nth-child(3) .path-icon{background:#eaf5ef;color:var(--green)}
    .stream-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:20px 0 18px}
    .stream-head h2{font-size:25px;margin:0}
    .stream-count{color:var(--muted);font-size:13px}
    .content-stream{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .content-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      overflow:hidden;
      box-shadow:var(--shadow-card);
      transition:.22s ease;
      display:flex;
      flex-direction:column;
    }
    .content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(36,107,142,.45)}
    .content-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1.05fr .95fr}
    .visual{
      min-height:190px;
      position:relative;
      background:var(--blue-soft);
      overflow:hidden;
      padding:20px;
    }
    .featured .visual{min-height:255px}
    .visual.peach-bg{background:var(--peach-soft)}
    .visual.green-bg{background:#eaf5ef}
    .visual:before{
      content:"";
      position:absolute;
      width:160px;height:160px;
      right:-35px;bottom:-55px;
      border:1px solid rgba(36,107,142,.28);
      border-radius:50%;
    }
    .visual:after{
      content:"";
      position:absolute;
      width:90px;height:90px;
      right:35px;bottom:4px;
      border:12px solid rgba(233,143,121,.7);
      border-radius:50%;
    }
    .visual-label{
      position:relative;
      z-index:1;
      display:inline-flex;
      background:rgba(255,255,255,.82);
      color:var(--blue-deep);
      border-radius:10px;
      padding:7px 10px;
      font-size:12px;
      font-weight:700;
    }
    .visual-stack{position:absolute;z-index:1;left:22px;bottom:20px;width:65%}
    .mini-line{height:9px;background:#fff;border-radius:99px;margin-top:9px;width:78%}
    .mini-line.short{width:46%;background:rgba(36,107,142,.25)}
    .card-copy{padding:21px 22px 23px}
    .card-copy h3{font-size:20px;margin:11px 0 8px}
    .card-copy p{color:var(--muted);font-size:14px;margin-bottom:17px}
    .card-meta{display:flex;justify-content:space-between;gap:10px;color:#81949c;font-size:12px}
    .arrow-link{color:var(--blue);font-weight:700;font-size:14px}
    .text-card{padding:24px;min-height:245px}
    .text-card .number{font-size:38px;color:var(--peach);font-weight:800;line-height:1}
    .text-card h3{margin-top:22px}
    .check-list{padding:0;margin:17px 0 0;list-style:none;color:var(--muted);font-size:14px}
    .check-list li{padding:5px 0 5px 22px;position:relative}
    .check-list li:before{content:"";position:absolute;left:0;top:13px;width:9px;height:9px;border-radius:50%;background:var(--green)}
    .assist{background:var(--peach-soft);border-radius:24px;padding:30px 34px;margin-top:60px}
    .assist-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
    .assist h2{font-size:29px}
    .assist p{color:var(--muted);margin-bottom:0}
    .search-form{display:grid;grid-template-columns:1fr 145px;gap:10px}
    .search-form label{display:block;font-size:13px;font-weight:700;color:var(--blue-deep);margin-bottom:7px}
    .search-form input,.search-form select{
      width:100%;
      height:50px;
      background:#fff;
      border:1px solid #e3c5bc;
      border-radius:var(--radius-control);
      color:var(--ink);
      padding:0 14px;
    }
    .search-form .full{grid-column:1/-1}
    .search-form .btn-main{width:100%;border-color:var(--peach);background:var(--peach)}
    .search-form .btn-main:hover{background:#d97862}
    .faq-section{padding:var(--section-space) 0}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
    .faq-lead p{color:var(--muted)}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;background:#fff}
    .accordion-button{font-weight:700;color:var(--blue-deep);background:#fff;padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft);box-shadow:none}
    .accordion-body{color:var(--muted);padding:0 20px 20px}
    .return-section{background:var(--blue-soft);padding:52px 0}
    .return-grid{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .return-grid p{color:var(--muted);margin:0}
    footer{background:var(--blue-deep);color:#c9dce2;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{color:#fff;font-size:20px;font-weight:800}
    .footer-grid h3{color:#fff;font-size:14px;margin-bottom:14px}
    .footer-grid a{display:block;color:#b6cbd2;font-size:14px;padding:3px 0}
    .footer-grid a:hover{color:var(--peach)}
    .footer-desc{font-size:14px;max-width:300px;margin-top:12px}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .fixed-cta{
      position:fixed;
      z-index:1040;
      bottom:18px;
      left:50%;
      transform:translateX(-50%);
      width:min(1100px,calc(100% - 40px));
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow-hover);
      padding:13px 18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
    }
    .fixed-copy{display:flex;align-items:center;gap:11px;color:var(--blue-deep);font-weight:700;font-size:14px}
    .fixed-mark{width:32px;height:32px;background:var(--peach-soft);border-radius:10px;position:relative}
    .fixed-mark:after{content:"";width:12px;height:12px;border:2px solid var(--peach);border-radius:50%;position:absolute;left:10px;top:8px}
    .fixed-actions{display:flex;gap:9px;flex:0 0 auto}
    @media (max-width:1199px){
      .mega-panel{right:-20px}
      .hero-grid{gap:38px}
      .footer-grid{gap:22px}
    }
    @media (max-width:991px){
      .intro-layout,.assist-grid,.faq-layout{grid-template-columns:1fr;gap:28px}
      .keyword-cloud{justify-content:flex-start}
      .filter-panel{position:static;border-right:0;border-bottom:1px solid var(--line);padding:0 0 22px;margin-bottom:25px}
      .filter-groups{display:flex;gap:25px;overflow:auto}
      .filter-group{min-width:170px;border-top:0;padding:0}
      .hero-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .mega-panel{position:static;width:100%;box-shadow:none;margin-top:8px}
      .mega-grid{grid-template-columns:1fr 1fr}
      .mega-feature{grid-column:1/-1}
    }
    @media (max-width:767px){
      body{padding-bottom:88px}
      .container{padding-left:18px;padding-right:18px}
      .navbar{min-height:68px}
      .brand{font-size:14px}
      .brand small{font-size:8px}
      .brand-mark{width:34px;height:34px}
      .page-intro{padding:48px 0 30px}
      .content-stream{grid-template-columns:1fr}
      .content-card.featured{grid-column:auto;display:flex}
      .featured .visual{min-height:200px}
      .assist{padding:25px 20px;margin-top:42px}
      .search-form{grid-template-columns:1fr}
      .search-form .full{grid-column:auto}
      .return-grid{display:block}
      .return-grid .btn-main{width:100%;margin-top:18px}
      .fixed-cta{bottom:10px;width:calc(100% - 20px);padding:10px 11px;border-radius:14px}
      .fixed-copy{font-size:12px;line-height:1.4}
      .fixed-mark{display:none}
      .fixed-actions .btn-main,.fixed-actions .btn-sub{min-height:42px;padding:8px 11px;font-size:12px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:5px}
    }
    @media (max-width:575px){
      .footer-grid{grid-template-columns:1fr}
      .mega-grid{grid-template-columns:1fr}
      .mega-feature{grid-column:auto}
      .hero-actions .btn-main,.hero-actions .btn-sub{width:100%}
      .filter-groups{gap:17px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category2 */
:root{
      --blue:#246b8e;
      --blue-deep:#173042;
      --blue-soft:#edf7fa;
      --peach:#e98f79;
      --peach-soft:#fff1ec;
      --ink:#244552;
      --muted:#617884;
      --line:#d9e7eb;
      --paper:#fcfefe;
      --white:#fff;
      --green:#3d9a78;
      --shadow-card:0 14px 38px rgba(32,77,99,.10);
      --shadow-hover:0 18px 42px rgba(32,77,99,.16);
      --radius-card:20px;
      --radius-control:12px;
      --section-space:clamp(56px,8vw,112px);
      --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font:16px/1.75 "PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      padding-bottom:105px;
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
      outline:3px solid rgba(233,143,121,.5);
      outline-offset:3px;
    }
    .container{max-width:var(--container);padding-left:24px;padding-right:24px}
    .site-header{
      background:rgba(252,254,254,.97);
      border-bottom:1px solid transparent;
      position:sticky;
      top:0;
      z-index:1030;
      transition:.2s ease;
    }
    .site-header.scrolled{border-color:var(--line);box-shadow:0 6px 20px rgba(32,77,99,.06)}
    .navbar{min-height:76px}
    .brand{
      display:flex;
      align-items:center;
      gap:11px;
      font-weight:800;
      color:var(--blue-deep);
      letter-spacing:-.04em;
      white-space:nowrap;
    }
    .brand-mark{
      width:38px;
      height:38px;
      border-radius:13px 20px 13px 20px;
      background:var(--peach-soft);
      position:relative;
      flex:0 0 auto;
    }
    .brand-mark:after{
      content:"";
      position:absolute;
      width:17px;
      height:17px;
      border:2px solid var(--peach);
      border-radius:50%;
      left:10px;
      top:9px;
    }
    .brand small{
      display:block;
      color:var(--muted);
      font-size:10px;
      letter-spacing:.08em;
      font-weight:600;
    }
    .nav-link{
      color:var(--muted)!important;
      padding:10px 14px!important;
      border-radius:10px;
      font-size:14px;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--blue-deep)!important;
      background:var(--blue-soft);
    }
    .nav-toggle{
      border:1px solid var(--line);
      color:var(--blue);
      border-radius:10px;
      padding:8px 12px;
    }
    .btn-main,.btn-sub{
      min-height:48px;
      border-radius:12px;
      padding:11px 20px;
      font-weight:700;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      transition:.2s ease;
      border:1px solid var(--blue);
    }
    .btn-main{background:var(--blue);color:#fff}
    .btn-main:hover{
      background:#185875;
      color:#fff;
      transform:translateY(-2px);
      box-shadow:0 10px 22px rgba(36,107,142,.2);
    }
    .btn-main:active,.btn-sub:active{transform:translateY(0)}
    .btn-sub{background:#fff;color:var(--blue)}
    .btn-sub:hover{background:var(--blue-soft);color:var(--blue-deep)}
    .mega-wrap{position:relative}
    .mega-panel{
      position:absolute;
      right:-80px;
      top:52px;
      width:690px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-hover);
      padding:22px;
      display:none;
    }
    .mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{display:block}
    .mega-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:18px}
    .mega-panel h3{font-size:13px;color:var(--muted);margin:0 0 10px}
    .mega-link{display:block;padding:8px 10px;border-radius:9px;font-size:14px}
    .mega-link:hover{background:var(--blue-soft);color:var(--blue)}
    .mega-feature{background:var(--peach-soft);border-radius:15px;padding:16px}
    .mega-feature strong{display:block;color:var(--blue-deep);margin-bottom:6px}
    .eyebrow,.tag{
      display:inline-flex;
      align-items:center;
      border-radius:99px;
      padding:5px 11px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.04em;
    }
    .eyebrow{color:var(--blue);background:var(--blue-soft)}
    .tag{color:var(--blue);background:#f0f7f8}
    .tag.peach{color:#a85646;background:var(--peach-soft)}
    .tag.green{color:#287459;background:#eaf7f1}
    h1,h2,h3{color:var(--blue-deep);letter-spacing:-.03em}
    h1{font-size:clamp(38px,5vw,58px);line-height:1.18;font-weight:700;margin:18px 0}
    h2{font-size:clamp(30px,3.5vw,40px);line-height:1.25;font-weight:700}
    h3{font-size:20px;line-height:1.4}
    .guide-hero{padding:58px 0 70px;border-bottom:1px solid var(--line)}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:32px}
    .breadcrumb a{color:var(--blue)}
    .hero-editorial{
      display:grid;
      grid-template-columns:minmax(0,1.08fr) minmax(300px,.72fr);
      gap:70px;
      align-items:center;
    }
    .hero-editorial p{max-width:690px;color:var(--muted);font-size:18px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;color:var(--muted);font-size:13px}
    .hero-visual{
      position:relative;
      min-height:420px;
      border-radius:42px 42px 42px 100px;
      background:var(--blue-soft);
      padding:28px;
      overflow:hidden;
    }
    .hero-visual:before,.hero-visual:after{
      content:"";
      position:absolute;
      border:1px solid rgba(36,107,142,.2);
      border-radius:50%;
    }
    .hero-visual:before{width:300px;height:300px;right:-115px;top:-75px}
    .hero-visual:after{width:190px;height:190px;left:-90px;bottom:-75px}
    .visual-sheet{
      position:relative;
      z-index:1;
      background:#fff;
      border:1px solid var(--line);
      border-radius:20px;
      box-shadow:var(--shadow-card);
      padding:24px;
      margin:22px 8px;
    }
    .visual-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
    .visual-title{font-size:18px;font-weight:800;color:var(--blue-deep)}
    .visual-mark{width:38px;height:38px;border-radius:12px;background:var(--peach-soft);position:relative}
    .visual-mark:after{content:"";width:18px;height:18px;border:2px solid var(--peach);border-radius:50%;position:absolute;left:10px;top:9px}
    .visual-line{height:9px;background:#e7f1f3;border-radius:8px;margin:12px 0}
    .visual-line.long{width:88%}.visual-line.mid{width:64%}.visual-line.short{width:42%}
    .visual-labels{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}
    .visual-label{font-size:12px;color:var(--blue);background:var(--blue-soft);padding:6px 10px;border-radius:99px}
    .visual-label.peach{background:var(--peach-soft);color:#a85646}
    .visual-note{
      position:absolute;
      z-index:2;
      right:16px;
      bottom:28px;
      background:var(--peach);
      color:#fff;
      border-radius:14px;
      padding:12px 15px;
      box-shadow:0 12px 25px rgba(233,143,121,.28);
      font-size:13px;
      font-weight:700;
    }
    section{padding:var(--section-space) 0}
    .section-head{max-width:720px;margin-bottom:38px}
    .section-head p{color:var(--muted);margin:12px 0 0}
    .quick-nav-wrap{padding:22px 0;border-bottom:1px solid var(--line)}
    .quick-nav{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
    }
    .quick-nav::-webkit-scrollbar{display:none}
    .quick-nav a{
      flex:0 0 auto;
      padding:10px 16px;
      border:1px solid var(--line);
      border-radius:99px;
      color:var(--muted);
      background:#fff;
      font-size:14px;
      transition:.2s ease;
    }
    .quick-nav a:hover,.quick-nav a.active{color:var(--blue-deep);border-color:var(--blue);background:var(--blue-soft)}
    .guide-layout{
      display:grid;
      grid-template-columns:220px minmax(0,760px);
      gap:70px;
      justify-content:center;
    }
    .side-index{position:sticky;top:105px;align-self:start}
    .side-index h3{font-size:15px;margin-bottom:15px}
    .side-index a{
      display:block;
      padding:8px 12px;
      border-left:2px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .side-index a:hover,.side-index a.active{color:var(--blue);border-left-color:var(--peach);background:var(--peach-soft)}
    .reading-column section{padding:0 0 62px}
    .reading-column section:last-child{padding-bottom:0}
    .reading-column p{color:var(--muted)}
    .info-card{
      border:1px solid var(--line);
      border-radius:var(--radius-card);
      background:#fff;
      box-shadow:var(--shadow-card);
      padding:25px;
      transition:.2s ease;
    }
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(36,107,142,.45)}
    .info-card h3{margin:12px 0 8px}
    .icon-box{
      width:42px;height:42px;border-radius:13px;
      display:inline-flex;align-items:center;justify-content:center;
      color:var(--blue);background:var(--blue-soft);font-size:18px;font-weight:800;
    }
    .step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:25px}
    .step-card{padding:22px 18px;border:1px solid var(--line);border-radius:16px;background:#fff}
    .step-number{color:var(--peach);font-size:13px;font-weight:800;letter-spacing:.08em}
    .step-card strong{display:block;color:var(--blue-deep);margin:8px 0 4px}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
    .compare-panel{border-radius:18px;padding:25px;border:1px solid var(--line)}
    .compare-panel:first-child{background:var(--blue-soft)}
    .compare-panel:last-child{background:var(--peach-soft)}
    .compare-panel h3{font-size:19px;margin:0 0 12px}
    .clean-list{list-style:none;padding:0;margin:0}
    .clean-list li{position:relative;padding:8px 0 8px 25px;color:var(--muted);border-bottom:1px solid rgba(36,107,142,.1)}
    .clean-list li:last-child{border-bottom:0}
    .clean-list li:before{content:"";position:absolute;left:2px;top:17px;width:9px;height:9px;border-radius:50%;background:var(--green)}
    .notice{
      border-left:4px solid var(--peach);
      background:var(--peach-soft);
      border-radius:0 15px 15px 0;
      padding:17px 20px;
      color:#775247;
      margin-top:24px;
    }
    .related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:25px}
    .related-card{display:flex;gap:16px;align-items:flex-start;border:1px solid var(--line);border-radius:16px;background:#fff;padding:19px;transition:.2s ease}
    .related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
    .related-card strong{display:block;color:var(--blue-deep);margin-bottom:4px}
    .related-card p{font-size:13px;margin:0;color:var(--muted)}
    .mini-arrow{color:var(--blue);font-size:20px;line-height:1}
    .article-cta{margin-top:28px;border-top:3px solid var(--peach);background:#fff;border-radius:18px;padding:25px;box-shadow:var(--shadow-card)}
    .article-cta h3{margin:0 0 6px}
    .article-cta p{margin-bottom:17px}
    .faq-section{background:var(--blue-soft)}
    .faq-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
    .accordion-item{border:1px solid var(--line)!important;border-radius:14px!important;overflow:hidden;margin-bottom:10px;background:#fff}
    .accordion-button{font-weight:700;color:var(--blue-deep);background:#fff;padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--blue);background:var(--blue-soft);box-shadow:none}
    .accordion-body{color:var(--muted);padding:0 20px 20px}
    .pager{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
      margin-top:35px;
    }
    .pager-card{border:1px solid var(--line);border-radius:16px;background:#fff;padding:20px;transition:.2s ease}
    .pager-card:hover{border-color:var(--blue);box-shadow:var(--shadow-card)}
    .pager-card small{display:block;color:var(--muted);margin-bottom:6px}
    .pager-card strong{color:var(--blue-deep)}
    .conversion-section{padding:45px 0}
    .conversion-box{
      background:var(--blue-deep);
      color:#dcebf0;
      border-radius:26px;
      padding:35px 40px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
    }
    .conversion-box h2{color:#fff;font-size:30px;margin:0 0 7px}
    .conversion-box p{margin:0;color:#bcd2d9}
    .conversion-box .btn-main{background:var(--peach);border-color:var(--peach)}
    footer{background:var(--blue-deep);color:#c9dce2;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer-brand{color:#fff;font-size:20px;font-weight:800}
    .footer-grid h3{color:#fff;font-size:14px;margin-bottom:14px}
    .footer-grid a{display:block;color:#b6cbd2;font-size:14px;padding:3px 0}
    .footer-grid a:hover{color:var(--peach)}
    .footer-desc{font-size:14px;max-width:300px;margin-top:12px}
    .copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .fixed-cta{
      position:fixed;
      z-index:1040;
      bottom:18px;
      left:50%;
      transform:translateX(-50%);
      width:min(1100px,calc(100% - 40px));
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      box-shadow:var(--shadow-hover);
      padding:13px 18px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
    }
    .fixed-cta p{margin:0;color:var(--blue-deep);font-size:14px;font-weight:700}
    .fixed-cta small{display:block;color:var(--muted);font-weight:400}
    .fixed-actions{display:flex;gap:9px;flex:0 0 auto}
    .fixed-actions .btn-main,.fixed-actions .btn-sub{min-height:42px;padding:8px 15px;font-size:13px}
    @media (max-width:1199px){
      .navbar-nav{margin-left:10px!important}
      .nav-link{padding-left:9px!important;padding-right:9px!important}
      .mega-panel{right:-20px}
      .hero-editorial{gap:40px}
      .guide-layout{gap:42px}
    }
    @media (max-width:991px){
      body{padding-bottom:92px}
      .mega-panel{position:static;width:100%;box-shadow:none;border:0;border-top:1px solid var(--line);border-radius:0;margin-top:8px}
      .hero-editorial,.guide-layout{grid-template-columns:1fr}
      .hero-visual{max-width:600px}
      .side-index{position:static;display:flex;gap:8px;overflow-x:auto;padding-bottom:5px}
      .side-index h3{display:none}
      .side-index a{white-space:nowrap;border:1px solid var(--line);border-left:1px solid var(--line);border-radius:99px;padding:8px 13px;background:#fff}
      .side-index a.active,.side-index a:hover{border-color:var(--blue)}
      .faq-grid{grid-template-columns:1fr;gap:28px}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .conversion-box{padding:30px}
    }
    @media (max-width:767px){
      .container{padding-left:18px;padding-right:18px}
      .navbar{min-height:68px}
      .brand{font-size:14px;letter-spacing:-.05em}
      .brand-mark{width:34px;height:34px}
      .brand-mark:after{left:8px;top:7px}
      .guide-hero{padding:38px 0 48px}
      h1{font-size:clamp(34px,9vw,42px)}
      .hero-editorial p{font-size:16px}
      .hero-visual{min-height:350px;border-radius:30px 30px 30px 70px;padding:18px}
      .visual-sheet{margin:18px 0;padding:20px}
      .step-grid,.compare-grid,.related-grid,.pager{grid-template-columns:1fr}
      .reading-column section{padding-bottom:48px}
      .conversion-box{display:block;border-radius:20px;padding:26px 22px}
      .conversion-box .btn-main{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block;line-height:2}
      .fixed-cta{bottom:0;width:100%;border-radius:16px 16px 0 0;padding:10px 14px}
      .fixed-cta p{font-size:12px;line-height:1.4}
      .fixed-cta small{font-size:11px}
      .fixed-actions .btn-main,.fixed-actions .btn-sub{padding:7px 10px;min-height:40px;font-size:12px}
    }
    @media (max-width:575px){
      .fixed-cta small{display:none}
      .fixed-actions .btn-sub{display:none}
      .fixed-actions{width:105px}
      .fixed-actions .btn-main{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .mega-grid{grid-template-columns:1fr}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }