/* roulang page: index */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--radius:18px;--shadow:0 18px 50px rgba(31,20,40,.10)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:white;background:rgba(255,255,255,.11)}
    .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav-cta:hover{background:#edff97!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:white;border-radius:9px;padding:7px 11px}
    .hero{background:var(--plum);color:white;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(43,32,53,.98) 25%,rgba(43,32,53,.78)),url('/assets/images/backpic/back-1.webp') center/cover;opacity:.92}
    .hero-inner{position:relative;min-height:650px;padding:72px 0 88px;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime);text-transform:none}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.2vw,72px);line-height:1.16;letter-spacing:-.055em;margin:18px 0 25px;max-width:700px}
    .hero-copy{max-width:620px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:34px 0 40px}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-secondary{border-color:#8e7d9c;color:white;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:white;color:var(--ink)}
    .hero-stats{display:flex;gap:30px;flex-wrap:wrap}
    .hero-stat{border-left:2px solid var(--coral);padding-left:13px}
    .hero-stat strong{display:block;font-size:25px;color:white;line-height:1.2}
    .hero-stat span{font-size:12px;color:#bcb0c5}
    .hero-panel{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:25px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .panel-head{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:18px}
    .panel-kicker{font-size:12px;color:var(--muted)}
    .live-dot{color:#c15c4b;font-size:12px;font-weight:700}
    .panel-title{font-size:27px;font-weight:800;line-height:1.3;margin:5px 0 20px}
    .signal{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid #e5e0e6}
    .signal:last-child{border:0}
    .signal-no{font-size:13px;color:var(--coral);font-weight:800;width:28px}
    .signal-main{flex:1}.signal-main strong{display:block;font-size:15px}.signal-main small{color:var(--muted);font-size:12px}
    .signal-bar{width:70px;height:6px;border-radius:10px;background:#d8d2dc;overflow:hidden}.signal-bar i{display:block;height:100%;background:var(--plum);border-radius:10px}
    .section{padding:100px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:white}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:480px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .number{font-size:13px;color:var(--coral);font-weight:800;letter-spacing:.1em}
    .pain-grid{display:grid;grid-template-columns:4fr 8fr;gap:60px}
    .pain-intro{font-size:30px;font-weight:750;line-height:1.45;max-width:320px}
    .issue-list{border-top:1px solid var(--line)}
    .issue{display:grid;grid-template-columns:60px 1fr 34px;gap:15px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start;transition:.2s}
    .issue:hover{padding-left:10px;background:rgba(255,255,255,.35)}
    .issue b{color:var(--coral);font-size:14px}.issue h3{font-size:19px;margin:0 0 4px}.issue p{color:var(--muted);margin:0;font-size:14px}.issue em{font-style:normal;color:var(--muted);font-size:23px}
    .solution-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:stretch}
    .feature-card,.mini-card,.result-card,.quote-card,.partner,.news-item,.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:white}
    .feature-card{overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:390px}
    .feature-card img{height:100%;min-height:280px}
    .feature-content{padding:31px}.feature-content h3{font-size:28px;line-height:1.35;margin:16px 0 12px}.feature-content p{font-size:15px;color:var(--muted)}
    .small-stack{display:grid;gap:22px}
    .mini-card{padding:27px;position:relative;overflow:hidden}.mini-card h3{font-size:20px;margin:10px 0 7px}.mini-card p{font-size:14px;color:var(--muted);margin:0}.mini-card .corner{position:absolute;right:22px;top:22px;color:var(--coral);font-size:28px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #61526b}
    .step{padding:28px 22px 15px 0;border-right:1px solid #61526b;margin-right:22px}.step:last-child{border:0}.step b{color:var(--lime);font-size:13px}.step h3{font-size:19px;margin:15px 0 8px}.step p{font-size:14px;color:#cfc4d6;margin:0}
    .results{display:grid;grid-template-columns:5fr 7fr;gap:20px}
    .result-main{background:var(--lime);border-radius:var(--radius);padding:38px;color:var(--ink);min-height:290px}.result-main strong{display:block;font-size:76px;line-height:1;margin:25px 0 12px;letter-spacing:-.06em}.result-main p{max-width:330px;margin:0;font-size:15px}
    .result-side{display:grid;grid-template-columns:1fr 1fr;gap:20px}.result-card{padding:26px;background:#30243a;border-color:#51415d;color:white}.result-card strong{font-size:39px;display:block;color:#fff;line-height:1.1;margin:18px 0 10px}.result-card p{font-size:13px;color:#cfc4d6;margin:0}
    .brand-story{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}.brand-story h2{font-size:38px;line-height:1.35}.brand-story p{color:#cfc4d6;font-size:16px;line-height:2}
    .quote-layout{display:grid;grid-template-columns:5fr 7fr;gap:25px}.quote-feature{background:var(--coral);padding:38px;border-radius:var(--radius);color:var(--ink)}.quote-feature blockquote{font-size:25px;line-height:1.65;margin:28px 0}.quote-feature cite{font-style:normal;font-size:13px;font-weight:700}.quote-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote-card{padding:22px}.quote-card p{font-size:14px;line-height:1.9;color:#4c4352}.quote-card small{color:var(--muted)}
    .partner-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.partner{padding:22px}.partner strong{display:block;font-size:17px;margin-bottom:6px}.partner p{font-size:13px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:8fr 4fr;gap:24px}.news-list{border-top:1px solid var(--line)}.news-item{border-width:0 0 1px;border-radius:0;background:transparent;display:grid;grid-template-columns:90px 1fr 25px;gap:20px;padding:22px 0}.news-date{font-size:12px;color:var(--coral);font-weight:700}.news-item h3{font-size:17px;margin:0 0 7px}.news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.news-arrow{font-size:22px;color:var(--muted)}.recommend{background:white;border-radius:var(--radius);padding:18px}.recommend img{height:180px;border-radius:12px;margin-bottom:17px}.recommend h3{font-size:22px;line-height:1.4}.recommend p{font-size:14px;color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}.faq-intro h2{font-size:40px;line-height:1.35}.faq-intro p{color:var(--muted)}.faq-list{border-top:1px solid var(--line)}.faq-item{border-width:0 0 1px;border-radius:0;background:transparent}.faq-q{display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-weight:700;text-align:left;width:100%;border:0;background:transparent;color:var(--ink)}.faq-q span:last-child{font-size:22px;color:var(--coral);transition:.2s}.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{padding:74px 0;background:var(--coral)}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.25;margin:0;max-width:650px}.cta p{max-width:550px;margin:12px 0 0}.cta .btn{background:var(--ink);color:white}.cta .btn:hover{background:var(--plum)}
    footer{background:var(--ink);color:white;padding:55px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:40px;border-bottom:1px solid #39323f}.footer-desc{color:#aaa1b0;max-width:330px;font-size:14px}.footer-links{display:flex;gap:45px;flex-wrap:wrap}.footer-links h3{font-size:14px;margin:0 0 13px}.footer-links a{display:block;color:#aaa1b0;font-size:13px;margin:7px 0}.footer-links a:hover{color:var(--lime)}.copyright{padding-top:22px;color:#8f8795;font-size:12px;line-height:2}
    @media(max-width:1024px){.hero-inner{gap:35px}.section{padding:78px 0}.pain-grid,.brand-story,.faq-grid{gap:35px}.container{width:min(100% - 32px,900px)}}
    @media(max-width:768px){.topbar{height:66px}.menu-btn{display:block}.nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--plum);padding:12px;border:1px solid #51415d;border-radius:0 0 13px 13px;flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px}.nav-cta{margin:4px 0 0;text-align:center}.hero-inner{grid-template-columns:1fr;padding:58px 0 68px;min-height:0}.hero-copy{font-size:15px}.hero-panel{transform:none}.pain-grid,.brand-story,.faq-grid,.news-layout,.quote-layout,.results{grid-template-columns:1fr}.solution-grid{grid-template-columns:1fr}.feature-card{grid-template-columns:1fr}.feature-card img{height:220px}.steps{grid-template-columns:1fr 1fr;gap:15px}.step{border-right:0;margin:0;padding:20px 10px 10px 0}.partner-grid{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:15px}.cta-inner{display:block}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}h1{font-size:39px}.hero-actions,.hero-actions .btn{width:100%}.hero-actions .btn{min-height:52px}.hero-stats{gap:20px}.section{padding:62px 0}.section-head h2{font-size:31px}.pain-intro{font-size:25px}.issue{grid-template-columns:38px 1fr 20px;gap:9px}.steps,.result-side,.quote-list,.partner-grid{grid-template-columns:1fr}.news-item{grid-template-columns:65px 1fr 18px;gap:10px}.brand-story h2,.faq-intro h2{font-size:31px}.footer-top{display:block}.footer-links{margin-top:30px;gap:25px}.footer-links>div{min-width:110px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--radius:18px;--shadow:0 18px 50px rgba(31,20,40,.10)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{background:var(--plum);color:#fff;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(43,32,53,.98) 18%,rgba(43,32,53,.78)),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.94}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.11)}
    .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav-cta:hover{background:#efff9a!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:9px;padding:7px 11px}
    .hero-inner{position:relative;min-height:570px;padding:78px 0 92px;display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1{font-size:clamp(40px,5.5vw,72px);line-height:1.2;letter-spacing:-.055em;margin:18px 0 24px}
    .hero-copy{max-width:600px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:34px 0 0}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-secondary{border-color:#8e7d9c;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:#fff;color:var(--ink)}
    .btn:focus-visible,.nav a:focus-visible,.menu-btn:focus-visible,.faq-q:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .guide-panel{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:27px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
    .panel-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:22px}
    .panel-kicker{font-size:12px;font-weight:800;color:var(--muted)}
    .panel-title{font-size:28px;font-weight:800;line-height:1.35;margin:7px 0 0}
    .live-dot{font-size:12px;color:#5b7332;white-space:nowrap}
    .live-dot:first-letter{color:#94b923}
    .step-preview{display:grid;grid-template-columns:38px 1fr auto;gap:14px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .step-preview:last-child{border-bottom:0}
    .step-no{width:32px;height:32px;background:var(--plum);color:var(--lime);display:grid;place-items:center;border-radius:9px;font-weight:800;font-size:13px}
    .step-preview strong{display:block;font-size:15px}
    .step-preview small{color:var(--muted);font-size:12px}
    .step-state{font-size:11px;color:var(--coral);font-weight:800}
    .section{padding:96px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .timeline{position:relative;max-width:980px;margin:auto}
    .timeline:before{content:"";position:absolute;left:28px;top:18px;bottom:18px;width:2px;background:#c9c0ce}
    .timeline-item{position:relative;display:grid;grid-template-columns:58px 1fr 250px;gap:28px;align-items:center;padding:25px 0}
    .timeline-number{width:58px;height:58px;border-radius:16px;background:var(--plum);color:var(--lime);display:grid;place-items:center;font-size:18px;font-weight:800;z-index:1;border:7px solid var(--mist)}
    .timeline-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px 27px;transition:.25s}
    .timeline-content:hover{transform:translateX(5px);border-color:var(--plum-2);box-shadow:var(--shadow)}
    .timeline-content h3{margin:0 0 7px;font-size:21px}
    .timeline-content p{margin:0;color:var(--muted);font-size:14px}
    .timeline-meta{font-size:13px;color:var(--muted);line-height:1.8}
    .timeline-meta b{display:block;color:var(--plum);font-size:14px}
    .notice-grid{display:grid;grid-template-columns:5fr 7fr;gap:22px;align-items:stretch}
    .notice-main{background:var(--lime);border-radius:var(--radius);padding:38px}
    .notice-main h2{font-size:34px;line-height:1.35;margin:12px 0 16px}
    .notice-main p{margin:0;max-width:470px;font-size:15px}
    .notice-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:13px 27px}
    .notice-row{display:grid;grid-template-columns:70px 1fr 24px;gap:15px;align-items:start;padding:21px 0;border-bottom:1px solid var(--line)}
    .notice-row:last-child{border:0}
    .notice-row b{font-size:13px;color:var(--coral)}
    .notice-row h3{font-size:17px;margin:0 0 5px}
    .notice-row p{font-size:13px;color:var(--muted);margin:0}
    .arrow{color:var(--coral);font-size:20px}
    .scene-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
    .scene-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .scene-feature img{height:300px}
    .scene-body{padding:27px}
    .scene-body h3{font-size:27px;margin:12px 0 10px}
    .scene-body p{color:var(--muted);margin:0}
    .scene-side{display:grid;gap:16px}
    .scene-card{background:#30243a;color:#fff;border-radius:var(--radius);padding:25px;border:1px solid #51415d}
    .scene-card h3{font-size:19px;margin:8px 0}
    .scene-card p{font-size:13px;color:#cfc4d6;margin:0}
    .tagline{color:var(--coral);font-size:12px;font-weight:800}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .faq-intro h2{font-size:40px;line-height:1.35;margin:10px 0 15px}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;background:transparent;border:0;padding:22px 0;font-weight:750;color:var(--ink)}
    .faq-q span:last-child{font-size:24px;color:var(--coral);transition:.2s}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 42px 22px 0}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:var(--coral);padding:55px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,43px);line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;max-width:610px;color:#4c2630}
    .cta .btn-primary{background:var(--plum);color:#fff}
    .cta .btn-primary:hover{background:#493450}
    footer{background:var(--plum);color:#fff;padding:62px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:55px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.15)}
    .footer-desc{max-width:330px;color:#cfc4d6;font-size:14px;margin-top:20px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:58px}
    .footer-links h3{font-size:14px;margin:0 0 15px;color:var(--lime)}
    .footer-links a{display:block;color:#cfc4d6;font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{padding-top:22px;color:#a99bab;font-size:12px;line-height:2}
    .copyright a{color:#d9d1df}
    @media(max-width:1024px){.hero-inner{gap:35px}.nav{gap:0}.nav a{padding:8px 8px}.timeline-item{grid-template-columns:58px 1fr}.timeline-meta{grid-column:2}.footer-links{gap:25px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.topbar{height:68px}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px;background:var(--plum);border:1px solid rgba(255,255,255,.16);border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch;box-shadow:0 18px 30px rgba(0,0,0,.2)}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{margin:6px 0 0;text-align:center}.hero-inner{min-height:auto;padding:62px 0 70px;grid-template-columns:1fr;gap:40px}.guide-panel{transform:none}.section{padding:70px 0}.section-head,.cta-inner{display:block}.section-head p{margin-top:18px}.notice-grid,.scene-grid,.faq-grid{grid-template-columns:1fr}.faq-intro{margin-bottom:30px}.footer-top{display:block}.footer-links{margin-top:35px}}
    @media(max-width:520px){h1{font-size:42px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.guide-panel{padding:20px}.panel-title{font-size:24px}.timeline:before{left:22px}.timeline-item{grid-template-columns:45px 1fr;gap:15px}.timeline-number{width:45px;height:45px;border-radius:13px;border-width:5px}.timeline-meta{grid-column:2}.timeline-content{padding:19px}.notice-main{padding:27px}.notice-row{grid-template-columns:52px 1fr 18px;gap:10px}.scene-feature img{height:220px}.footer-links{grid-template-columns:1fr 1fr;gap:25px}.footer-links div:last-child{grid-column:1/-1}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--radius:18px;--shadow:0 18px 50px rgba(31,20,40,.10)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{background:var(--plum);color:white;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(43,32,53,.98) 25%,rgba(43,32,53,.78)),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.92}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:white;background:rgba(255,255,255,.11)}
    .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav-cta:hover{background:#edff97!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:white;border-radius:9px;padding:7px 11px}
    .page-banner{position:relative;padding:76px 0 88px}
    .banner-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,6vw,68px);line-height:1.2;letter-spacing:-.055em;margin:18px 0 22px}
    .banner-copy{max-width:610px;color:#d9d1df;font-size:17px;line-height:2}
    .actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:31px}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-secondary{border-color:#8e7d9c;color:white;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:white;color:var(--ink)}
    .service-board{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:26px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .board-top{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:20px}
    .board-kicker{font-size:12px;color:var(--muted);letter-spacing:.12em;font-weight:800}
    .board-title{font-size:27px;font-weight:800;line-height:1.35;margin:7px 0 0}
    .status{font-size:12px;color:#52651d;background:#e8f5ae;padding:5px 9px;border-radius:7px;font-weight:700}
    .board-row{display:grid;grid-template-columns:38px 1fr 76px;gap:12px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0}
    .row-no{color:var(--coral);font-size:13px;font-weight:800}
    .row-title{font-size:15px;font-weight:800}
    .row-sub{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .progress{height:5px;background:#ded9df;border-radius:99px;overflow:hidden}
    .progress i{display:block;height:100%;background:var(--plum-2);border-radius:99px}
    .section{padding:94px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:white}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:490px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .search-wrap{margin:-31px auto 0;position:relative;z-index:2;max-width:760px}
    .search-box{display:flex;gap:10px;background:white;border:1px solid var(--line);border-radius:14px;padding:8px;box-shadow:var(--shadow)}
    .search-box input{flex:1;min-width:0;border:0;outline:0;padding:8px 14px;color:var(--ink);background:transparent}
    .search-box input:focus{box-shadow:inset 0 0 0 2px var(--lime);border-radius:8px}
    .hot-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:17px;color:var(--muted);font-size:13px}
    .hot-links a{border-bottom:1px solid transparent}
    .hot-links a:hover{color:var(--plum);border-color:var(--coral)}
    .overview-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px}
    .intro-box{padding-right:25px}
    .intro-box h2{font-size:37px;line-height:1.38;letter-spacing:-.04em}
    .intro-box p{color:var(--muted);font-size:16px}
    .service-list{border-top:1px solid var(--line)}
    .service-item{display:grid;grid-template-columns:55px 1fr 30px;gap:18px;align-items:start;padding:25px 0;border-bottom:1px solid var(--line);transition:.2s}
    .service-item:hover{padding-left:10px;background:rgba(255,255,255,.45)}
    .service-number{font-size:14px;color:var(--coral);font-weight:800}
    .service-item h3{font-size:21px;margin:0 0 6px}
    .service-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
    .arrow{font-size:24px;color:var(--muted);transition:.2s}
    .service-item:hover .arrow{color:var(--plum);transform:translateX(5px)}
    .feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:stretch}
    .feature-card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:390px}
    .feature-card img{height:100%;min-height:280px}
    .feature-content{padding:31px}
    .feature-content h3{font-size:28px;line-height:1.35;margin:16px 0 12px}
    .feature-content p{font-size:15px;color:var(--muted)}
    .mini-stack{display:grid;gap:22px}
    .mini-card{padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:white;position:relative}
    .mini-card h3{font-size:20px;margin:10px 0 7px}
    .mini-card p{font-size:14px;color:var(--muted);margin:0}
    .mini-card .corner{position:absolute;right:22px;top:22px;color:var(--coral);font-size:28px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #62556d}
    .step{padding:25px 22px 12px;border-right:1px solid #62556d;position:relative}
    .step:last-child{border:0}
    .step:before{content:"";position:absolute;top:-5px;left:22px;width:9px;height:9px;background:var(--lime);border-radius:50%}
    .step strong{display:block;font-size:13px;color:var(--lime);margin-bottom:15px}
    .step h3{font-size:19px;margin-bottom:8px}
    .step p{font-size:13px;color:#cfc4d6;margin:0}
    .data-grid{display:grid;grid-template-columns:5fr 3.5fr 3.5fr;gap:16px}
    .data-main,.data-card{border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
    .data-main{background:var(--lime)}
    .data-main strong{font-size:72px;line-height:1;display:block;margin:22px 0 15px}
    .data-main p,.data-card p{font-size:14px;color:var(--muted);margin:0}
    .data-card{background:var(--plum);border-color:#51415d;color:white}
    .data-card strong{display:block;color:var(--lime);font-size:39px;line-height:1.1;margin:20px 0 12px}
    .data-card p{color:#cfc4d6}
    .quote-layout{display:grid;grid-template-columns:5fr 7fr;gap:25px}
    .quote-feature{background:var(--coral);padding:38px;border-radius:var(--radius);color:var(--ink)}
    .quote-feature blockquote{font-size:25px;line-height:1.65;margin:27px 0}
    .quote-feature cite{font-style:normal;font-size:13px;font-weight:700}
    .quote-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .quote-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:white}
    .quote-card p{font-size:14px;line-height:1.9;color:#4c4352}
    .quote-card small{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .faq-intro h2{font-size:40px;line-height:1.35}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:transparent;padding:21px 0;font-weight:750;color:var(--ink)}
    .faq-q span:last-child{color:var(--coral);font-size:22px}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 42px 21px 0}
    .faq-item.open .faq-a{display:block}
    .cta{background:var(--plum-2);color:white;border-radius:22px;padding:48px 54px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(29px,4vw,44px);line-height:1.3;margin:0 0 10px}
    .cta p{color:#d3c8da;margin:0;max-width:620px}
    footer{background:var(--ink);color:white;padding:58px 0 27px}
    .footer-top{display:flex;justify-content:space-between;gap:60px}
    .footer-desc{color:#a99eae;max-width:340px;font-size:14px;margin-top:18px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:62px}
    .footer-links h3{font-size:14px;margin:0 0 13px;color:#fff}
    .footer-links a{display:block;color:#a99eae;font-size:13px;margin:7px 0;transition:.2s}
    .footer-links a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #382f40;margin-top:44px;padding-top:21px;color:#827688;font-size:12px;line-height:2}
    .copyright a:hover{color:var(--lime)}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media(max-width:1024px){.nav{gap:1px;font-size:13px}.nav a{padding:8px 7px}.banner-layout{gap:38px}.overview-grid,.faq-grid{gap:35px}.data-grid{grid-template-columns:1fr 1fr}.data-main{grid-row:span 2}.footer-top{gap:30px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.topbar{height:68px}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--plum);padding:12px;border:1px solid #5c4d66;border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px 14px}.nav-cta{margin:5px 0 0;text-align:center}.page-banner{padding:55px 0 70px}.banner-layout,.overview-grid,.feature-layout,.quote-layout,.faq-grid{grid-template-columns:1fr}.service-board{transform:none;max-width:570px;margin:auto}.section{padding:70px 0}.section-head{display:block;margin-bottom:30px}.section-head p{margin-top:15px}.feature-card{grid-template-columns:1fr}.feature-card img{height:230px}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid #62556d}.quote-list{grid-template-columns:1fr}.cta{display:block;padding:34px 25px}.cta .btn{margin-top:25px}.footer-top{display:block}.footer-links{margin-top:35px;gap:22px}}
    @media(max-width:520px){h1{font-size:39px}.banner-copy{font-size:15px}.actions .btn{width:100%}.search-box{padding:6px}.search-box .btn{padding:9px 13px}.hot-links{justify-content:flex-start}.intro-box h2,.faq-intro h2{font-size:30px}.service-item{grid-template-columns:38px 1fr 20px;gap:10px}.service-item h3{font-size:18px}.data-grid{grid-template-columns:1fr}.data-main{grid-row:auto}.data-main strong{font-size:58px}.steps{grid-template-columns:1fr}.step,.step:nth-child(2){border-right:0;border-bottom:1px solid #62556d}.step:last-child{border-bottom:0}.footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:1/-1}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category3 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--radius:18px;--shadow:0 18px 50px rgba(31,20,40,.10)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{background:var(--plum);color:#fff;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(43,32,53,.98) 18%,rgba(43,32,53,.72)),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.94}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:#fff;background:rgba(255,255,255,.11)}
    .nav .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav .nav-cta:hover{background:#efff9a!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:9px;padding:7px 11px}
    .hero-inner{position:relative;min-height:520px;padding:70px 0 82px;display:grid;grid-template-columns:1fr 390px;gap:90px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1{font-size:clamp(40px,6vw,72px);line-height:1.18;letter-spacing:-.055em;margin:18px 0 24px}
    .hero-copy{max-width:650px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#efff9a;transform:translateY(-2px);box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-secondary{border-color:#8e7d9c;color:#fff;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:#fff;color:var(--ink)}
    .vertical-card{height:430px;border-radius:22px;overflow:hidden;position:relative;box-shadow:var(--shadow);transform:rotate(2deg);background:#3d3048}
    .vertical-card img{height:100%;opacity:.72}
    .vertical-card:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 32%,rgba(23,19,31,.92))}
    .vertical-copy{position:absolute;z-index:2;bottom:27px;left:25px;right:25px}
    .vertical-copy strong{font-size:28px;line-height:1.3;display:block}
    .vertical-copy span{display:block;color:#ddd3e2;font-size:13px;margin-top:12px}
    .section{padding:96px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:start}
    .intro-grid h2{font-size:38px;line-height:1.35;margin:0}
    .intro-grid p{color:var(--muted);font-size:16px}
    .index-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .index-row{display:grid;grid-template-columns:54px 1fr 40px;align-items:center;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}
    .index-row:last-child{border-bottom:0}
    .index-no{font-size:14px;color:var(--coral);font-weight:800}
    .index-row strong{display:block;font-size:17px}
    .index-row span{display:block;color:var(--muted);font-size:13px}
    .arrow{font-size:23px;color:var(--muted);transition:.2s}
    .index-row:hover .arrow{color:var(--coral);transform:translateX(4px)}
    .feature-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .feature-card img{height:300px}
    .feature-content{padding:29px}
    .feature-content h3{font-size:28px;line-height:1.35;margin:14px 0 10px}
    .feature-content p{color:var(--muted);font-size:15px}
    .mini-stack{display:grid;gap:16px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.2s}
    .mini-card:hover{border-color:var(--coral);transform:translateY(-3px);box-shadow:var(--shadow)}
    .mini-card h3{font-size:20px;margin:8px 0}
    .mini-card p{font-size:14px;color:var(--muted);margin:0}
    .media-row{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;margin-bottom:75px}
    .media-row:last-child{margin-bottom:0}
    .media-row.reverse .media-image{order:2}
    .media-image{border-radius:var(--radius);overflow:hidden;position:relative;background:var(--plum-2);min-height:350px}
    .media-image img{height:350px}
    .media-image:before{content:attr(data-index);position:absolute;z-index:2;top:18px;left:18px;background:var(--lime);color:var(--ink);padding:4px 10px;border-radius:7px;font-weight:800;font-size:12px}
    .media-copy h3{font-size:32px;line-height:1.35;margin:14px 0}
    .media-copy p{color:var(--muted);font-size:16px}
    .line-note{border-left:3px solid var(--coral);padding-left:17px;color:var(--plum-2);font-size:14px;margin-top:23px}
    .stats-band{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
    .stat-main,.stat-card{border-radius:var(--radius);padding:30px}
    .stat-main{background:var(--lime);min-height:220px}
    .stat-main strong{display:block;font-size:65px;line-height:1;margin:25px 0 10px}
    .stat-main p,.stat-card p{margin:0;font-size:14px}
    .stat-card{background:#30243a;border:1px solid #51415d;color:#fff}
    .stat-card strong{display:block;font-size:36px;color:var(--lime);margin:24px 0 8px;line-height:1}
    .stat-card p{color:#cfc4d6}
    .quote-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:17px}
    .quote-feature{background:var(--coral);border-radius:var(--radius);padding:33px;color:var(--ink)}
    blockquote{font-size:23px;line-height:1.65;margin:25px 0}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
    .quote-card p{font-size:14px;color:#4c4352;line-height:1.9;margin:0 0 20px}
    .quote-card small,.quote-feature cite{font-size:13px;color:var(--muted);font-style:normal;font-weight:700}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .faq-intro h2{font-size:40px;line-height:1.35;margin:0 0 14px}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;padding:21px 0;border:0;background:transparent;text-align:left;font-weight:750;color:var(--ink)}
    .faq-q span:last-child{font-size:22px;color:var(--coral);transition:.2s}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:var(--plum-2);color:#fff;border-radius:22px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:35px;line-height:1.35;margin:0 0 10px}
    .cta p{color:#d1c6d7;margin:0;max-width:620px}
    footer{background:#17131f;color:#fff;padding:55px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:50px;padding-bottom:42px;border-bottom:1px solid #3b3042}
    .footer-desc{color:#aaa0af;font-size:14px;max-width:310px;margin-top:18px}
    .footer-links{display:flex;gap:65px}
    .footer-links h3{font-size:14px;color:var(--lime);margin:0 0 12px}
    .footer-links a{display:block;color:#bcb2c2;font-size:13px;margin:7px 0;transition:.2s}
    .footer-links a:hover{color:#fff}
    .copyright{color:#8f8494;font-size:12px;line-height:2.1;padding-top:22px}
    .copyright a{color:#c8becd}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media(max-width:1024px){.hero-inner{gap:40px}.nav{gap:0}.nav a{padding:8px 7px}.media-row{gap:35px}.footer-links{gap:30px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px;background:var(--plum);border:1px solid #5b4a66;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px}.nav .nav-cta{margin:5px 0 0;text-align:center}.hero-inner{grid-template-columns:1fr;min-height:auto;padding:55px 0 70px}.vertical-card{width:min(100%,360px);margin:auto}.section{padding:70px 0}.section-head,.intro-grid,.feature-layout,.media-row,.faq-grid{grid-template-columns:1fr;display:grid;gap:25px}.section-head{align-items:start}.media-row.reverse .media-image{order:0}.stats-band,.quote-grid{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:30px;display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.cta{display:block;padding:32px}.cta .btn{margin-top:24px}}
    @media(max-width:520px){h1{font-size:42px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.vertical-card{height:360px}.feature-content h3,.media-copy h3{font-size:26px}.index-row{grid-template-columns:40px 1fr 25px}.stat-main strong{font-size:54px}.footer-links{gap:18px}.footer-links a{font-size:12px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category4 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--radius:18px;--shadow:0 18px 50px rgba(31,20,40,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{background:var(--plum);color:white;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(43,32,53,.98) 25%,rgba(43,32,53,.78)),url('/assets/images/backpic/back-3.webp') center/cover;opacity:.94}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative;display:inline-block}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:white;background:rgba(255,255,255,.11)}
    .nav .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav .nav-cta:hover{background:#edff97!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:white;border-radius:9px;padding:7px 11px}
    .hero-inner{position:relative;padding:72px 0 82px;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1{font-size:clamp(38px,5.3vw,68px);line-height:1.2;letter-spacing:-.055em;margin:18px 0 22px}
    .hero-copy{max-width:610px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-secondary{border-color:#8e7d9c;color:white;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:white;color:var(--ink)}
    .hero-board{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:28px;box-shadow:var(--shadow);transform:rotate(1.5deg);max-width:490px;margin-left:auto}
    .board-top{display:flex;justify-content:space-between;gap:20px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:20px}
    .board-title{font-size:28px;font-weight:800;line-height:1.35;margin-top:6px}
    .status{font-size:12px;color:#51465a;background:#e9f6b0;padding:5px 9px;border-radius:7px;white-space:nowrap;font-weight:700}
    .board-row{display:grid;grid-template-columns:34px 1fr 72px;gap:12px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border:0;padding-bottom:0}
    .board-no{color:var(--coral);font-weight:800}
    .board-row strong{display:block;font-size:15px}
    .board-row small{display:block;color:var(--muted);font-size:12px}
    .meter{height:6px;background:#ddd7df;border-radius:10px;overflow:hidden}
    .meter i{display:block;height:100%;background:var(--coral);border-radius:10px}
    .section{padding:92px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:white}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
    .filter-btn{background:white;border:1px solid var(--line);color:var(--muted);border-radius:9px;padding:10px 16px;transition:.2s;font-weight:700}
    .filter-btn:hover,.filter-btn.active{background:var(--plum);border-color:var(--plum);color:white}
    .scene-layout{display:grid;grid-template-columns:7fr 5fr;gap:22px;align-items:start}
    .scene-main{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .scene-main img{height:285px}
    .scene-main-content{padding:31px}
    .scene-main h3{font-size:30px;line-height:1.35;margin:13px 0 10px}
    .scene-main p{color:var(--muted);max-width:640px}
    .scene-points{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
    .scene-point{border-top:2px solid var(--coral);padding-top:10px;font-size:13px;font-weight:700}
    .scene-stack{display:grid;gap:14px}
    .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:grid;grid-template-columns:42px 1fr;gap:15px;transition:.22s}
    .scene-card:hover{transform:translateX(5px);border-color:var(--coral);box-shadow:var(--shadow)}
    .scene-card:nth-child(2){background:var(--plum);color:white;border-color:var(--plum)}
    .scene-card:nth-child(2) p{color:#d6cbdc}
    .scene-card:nth-child(3){background:var(--lime)}
    .scene-index{font-size:24px;font-weight:850;color:var(--coral)}
    .scene-card h3{margin:0 0 5px;font-size:19px}
    .scene-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}
    .details{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}
    .details h2{font-size:39px;line-height:1.35;margin:0 0 18px}
    .details-intro{color:var(--muted);font-size:16px}
    .detail-list{border-top:1px solid var(--line)}
    .detail-item{display:grid;grid-template-columns:72px 1fr 25px;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
    .detail-item .num{font-size:13px;color:var(--coral);font-weight:800}
    .detail-item h3{font-size:18px;margin:0 0 5px}
    .detail-item p{font-size:14px;color:var(--muted);margin:0}
    .detail-arrow{font-size:22px;color:var(--muted)}
    .feature-band{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .band-card{border-radius:var(--radius);padding:32px;border:1px solid var(--line);background:white}
    .band-card.dark{background:#30243a;color:white;border-color:#51415d}
    .band-card.lime{background:var(--lime)}
    .band-card h3{font-size:24px;line-height:1.4;margin:12px 0}
    .band-card p{font-size:14px;color:var(--muted);margin:0}
    .band-card.dark p{color:#cfc4d6}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .faq-intro h2{font-size:40px;line-height:1.35;margin:0 0 15px}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;background:transparent;border:0;text-align:left;display:flex;justify-content:space-between;gap:20px;padding:21px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--coral);font-size:22px;line-height:1}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 38px 21px 0}
    .faq-item.open .faq-a{display:block}
    .cta{background:var(--plum);color:white;border-radius:24px;padding:52px 58px;display:flex;justify-content:space-between;align-items:center;gap:35px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:240px;height:240px;border:1px solid rgba(217,243,107,.35);border-radius:50%;right:70px;top:-130px}
    .cta h2{font-size:clamp(28px,4vw,44px);line-height:1.3;margin:0 0 12px;position:relative;z-index:1}
    .cta p{color:#d9d1df;margin:0;max-width:580px;position:relative;z-index:1}
    .cta .btn{position:relative;z-index:2;white-space:nowrap}
    footer{background:#17131f;color:white;padding:58px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:42px;border-bottom:1px solid #3b3044}
    .footer-desc{color:#aea2b5;max-width:330px;font-size:14px;margin-top:18px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:55px}
    .footer-links h3{font-size:14px;margin:0 0 13px;color:var(--lime)}
    .footer-links a{display:block;color:#c9bfce;font-size:13px;margin:7px 0;transition:.2s}
    .footer-links a:hover{color:white;transform:translateX(2px)}
    .copyright{color:#988d9f;font-size:12px;line-height:2;margin-top:22px}
    .copyright a{color:#c9bfce}
    @media(max-width:1024px){
      .nav{gap:2px;font-size:13px}.nav a{padding:8px 7px}
      .hero-inner{gap:35px}.details{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .topbar{height:68px}.menu-btn{display:block}
      .nav{display:none;position:absolute;top:67px;left:0;right:0;background:var(--plum-2);padding:12px;border:1px solid #5a4b66;border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch}
      .nav.show{display:flex}.nav a{padding:12px 14px}.nav .nav-cta{margin:5px 0 0;text-align:center}
      .hero-inner{grid-template-columns:1fr;padding:56px 0 65px;gap:35px}
      .hero-copy{font-size:16px}.hero-board{margin:0;transform:none}
      .section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .scene-layout,.details,.faq-grid,.feature-band{grid-template-columns:1fr}
      .details{gap:38px}.scene-main img{height:220px}
      .cta{display:block;padding:36px 28px}.cta .btn{margin-top:25px}
      .footer-top{display:block}.footer-links{margin-top:35px;gap:22px}
    }
    @media(max-width:520px){
      h1{font-size:40px}.hero-actions .btn{width:100%}
      .scene-points{grid-template-columns:1fr}.scene-main-content{padding:24px}
      .scene-main h3{font-size:25px}.detail-item{grid-template-columns:45px 1fr 20px;gap:10px}
      .footer-links{grid-template-columns:1fr 1fr}.footer-links div:last-child{grid-column:1/-1}
    }
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category5 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--white:#fffdf9;--radius:18px;
      --shadow:0 18px 50px rgba(31,20,40,.10);
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{position:relative;overflow:hidden;background:var(--plum);color:white}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(43,32,53,.99) 22%,rgba(43,32,53,.77)),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.95}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:white;background:rgba(255,255,255,.11)}
    .nav .nav-cta{background:var(--lime)!important;color:var(--ink)!important;font-weight:700;margin-left:10px}
    .nav .nav-cta:hover{background:#efff9a!important;transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:white;border-radius:9px;padding:7px 11px}
    .hero-inner{position:relative;min-height:555px;padding:76px 0 84px;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.18;letter-spacing:-.06em;margin:18px 0 22px}
    .hero-copy{max-width:620px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0 0}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{border-color:#8e7d9c;color:white;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:white;color:var(--ink)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .promo-sticker{position:absolute;right:-18px;top:-22px;width:126px;height:126px;border-radius:50%;background:var(--coral);color:var(--ink);display:grid;place-items:center;text-align:center;font-weight:900;line-height:1.35;transform:rotate(11deg);box-shadow:8px 10px 0 rgba(23,19,31,.18)}
    .dashboard{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:25px;box-shadow:var(--shadow);transform:rotate(2deg);position:relative}
    .panel-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start;border-bottom:1px solid var(--line);padding-bottom:18px}
    .panel-kicker{font-size:12px;color:var(--muted);font-weight:700}
    .panel-title{font-size:27px;font-weight:800;line-height:1.35;margin-top:5px}
    .live-dot{font-size:12px;color:#63711d;white-space:nowrap}
    .metric-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin:20px 0}
    .metric{background:#ebe7ef;border-radius:12px;padding:13px}
    .metric span{display:block;color:var(--muted);font-size:11px}
    .metric strong{font-size:24px;line-height:1.25}
    .trend-box{border:1px solid var(--line);border-radius:14px;padding:16px}
    .trend-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
    .trend-line{height:92px;display:flex;align-items:end;gap:8px;margin-top:12px;border-bottom:1px solid var(--line)}
    .trend-line i{flex:1;background:var(--plum-2);border-radius:5px 5px 0 0;min-height:20px}
    .trend-line i:nth-child(2),.trend-line i:nth-child(5){background:var(--coral)}
    .trend-line i:last-child{background:var(--lime)}
    .section{padding:94px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:white}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:480px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .insight-layout{display:grid;grid-template-columns:5fr 7fr;gap:22px}
    .feature-insight,.compact-list,.compare-card,.faq-item,.contact-box{border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
    .feature-insight{overflow:hidden;display:grid;grid-template-columns:1fr 1fr;min-height:420px}
    .feature-insight img{height:100%;min-height:280px}
    .feature-content{padding:32px}
    .feature-content h3{font-size:28px;line-height:1.4;margin:15px 0 12px}
    .feature-content p,.compact-list p,.compare-card p{color:var(--muted);font-size:14px}
    .compact-stack{display:grid;gap:14px}
    .compact-list{padding:23px;display:grid;grid-template-columns:46px 1fr 24px;gap:14px;align-items:start;transition:.2s}
    .compact-list:hover{border-color:var(--coral);transform:translateX(4px);box-shadow:var(--shadow)}
    .number{font-size:24px;color:var(--coral);font-weight:850;line-height:1}
    .compact-list h3{font-size:18px;margin:0 0 5px}
    .compact-list p{margin:0;line-height:1.8}
    .arrow{font-size:22px;color:var(--muted)}
    .summary-grid{display:grid;grid-template-columns:7fr 5fr;gap:22px}
    .compare-card{padding:30px}
    .compare-card.dark{background:var(--plum-2);color:white;border-color:#5a4966}
    .compare-card.dark p{color:#d2c6d8}
    .compare-card h3{font-size:22px;margin:0 0 18px}
    .big-number{font-size:70px;line-height:1;font-weight:850;letter-spacing:-.06em;margin:12px 0}
    .bar-item{margin:20px 0}
    .bar-title{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}
    .bar-track{height:9px;background:#e8e1ea;border-radius:20px;overflow:hidden}
    .bar-track i{display:block;height:100%;background:var(--coral);border-radius:20px}
    .dark .bar-track{background:#5b4a67}
    .dark .bar-track i{background:var(--lime)}
    .mini-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-stat{padding:20px;border:1px solid #5a4966;border-radius:14px;background:#30243a}
    .mini-stat strong{font-size:34px;color:var(--lime);display:block}
    .mini-stat span{font-size:13px;color:#d2c6d8}
    .entry-list{border-top:1px solid var(--line)}
    .entry{display:grid;grid-template-columns:90px 1fr 130px;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:center}
    .entry-date{font-size:12px;color:var(--muted);font-weight:700}
    .entry h3{margin:0 0 5px;font-size:18px}
    .entry p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
    .entry-label{text-align:right;color:var(--plum-2);font-size:12px;font-weight:800}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .faq-intro h2{font-size:40px;line-height:1.35}
    .faq-intro p{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-width:0 0 1px;border-radius:0;background:transparent}
    .faq-q{width:100%;display:flex;justify-content:space-between;gap:20px;padding:22px 0;background:none;border:0;text-align:left;font-weight:800;color:inherit}
    .faq-q span:last-child{font-size:24px;color:var(--coral);transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;color:var(--muted);font-size:14px;transition:max-height .3s ease,padding .3s ease}
    .faq-item.open .faq-answer{max-height:180px;padding:0 35px 20px 0}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:var(--lime);padding:52px;border-radius:22px;display:flex;justify-content:space-between;gap:30px;align-items:center}
    .cta h2{font-size:clamp(28px,4vw,45px);line-height:1.3;margin:0 0 10px}
    .cta p{max-width:600px;margin:0;color:#4e5427}
    footer{background:var(--plum);color:white;padding:66px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:60px}
    .footer-desc{max-width:300px;color:#cfc4d6;font-size:14px;margin-top:20px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:55px}
    .footer-links h3{font-size:14px;color:var(--lime);margin:0 0 15px}
    .footer-links a{display:block;color:#d5cadb;font-size:13px;margin:8px 0;transition:.2s}
    .footer-links a:hover{color:white;transform:translateX(3px)}
    .copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:48px;padding-top:20px;color:#a99cb1;font-size:12px;line-height:2}
    .copyright a{text-decoration:underline;text-underline-offset:3px}
    @media(max-width:1024px){.nav{gap:2px;font-size:13px}.nav a{padding:8px}.hero-inner{gap:35px}.section{padding:76px 0}.footer-top{gap:30px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.topbar{height:68px}.menu-btn{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--plum);padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:0 0 14px 14px;flex-direction:column;align-items:stretch;box-shadow:0 15px 30px rgba(0,0,0,.2)}.nav.open{display:flex}.nav a{padding:12px 14px}.nav .nav-cta{margin:7px 0 0;text-align:center}.hero-inner{grid-template-columns:1fr;min-height:auto;padding:58px 0 70px}.dashboard{transform:none;margin-top:10px}.promo-sticker{right:0;top:-18px;width:100px;height:100px}.section-head,.footer-top{display:block}.section-head p{margin-top:16px}.insight-layout,.summary-grid,.faq-grid{grid-template-columns:1fr}.feature-insight{grid-template-columns:1fr}.feature-insight img{height:240px}.compact-stack{margin-top:4px}.faq-intro{margin-bottom:30px}.footer-links{margin-top:40px;gap:20px}}
    @media(max-width:520px){.container{width:calc(100% - 28px)}.hero h1{font-size:43px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.metric-grid{grid-template-columns:1fr}.metric-row{gap:7px}.metric{padding:10px}.metric strong{font-size:20px}.dashboard{padding:17px}.panel-title{font-size:23px}.section{padding:64px 0}.feature-content{padding:24px}.big-number{font-size:56px}.entry{grid-template-columns:1fr;gap:6px}.entry-label{text-align:left}.cta{padding:30px 23px;display:block}.cta .btn{margin-top:24px;width:100%}.footer-links{grid-template-columns:1fr 1fr}.footer-links>div:last-child{grid-column:1/-1}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category6 */
:root{
      --ink:#17131f;--plum:#2b2035;--plum-2:#41314c;--mist:#ebe7ef;
      --paper:#f8f7f4;--muted:#746b79;--line:#d9d2dd;--lime:#d9f36b;
      --coral:#ff886e;--white:#fffdfa;--radius:18px;
      --shadow:0 18px 50px rgba(31,20,40,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.85}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .hero{background:var(--plum);color:white;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(112deg,rgba(43,32,53,.98) 18%,rgba(43,32,53,.72)),url('/assets/images/backpic/back-3.webp') center/cover;opacity:.94}
    .topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.14);position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:12px;color:white;font-size:22px;font-weight:800;letter-spacing:.04em}
    .brand-mark{width:28px;height:28px;border-radius:9px 9px 9px 3px;background:var(--lime);transform:rotate(-12deg);position:relative}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--plum);top:9px;left:9px}
    .nav{display:flex;align-items:center;gap:6px;color:#d8cfdf;font-size:14px}
    .nav a{padding:9px 12px;border-radius:9px;transition:.2s}
    .nav a:hover,.nav a.active{color:white;background:rgba(255,255,255,.11)}
    .nav .nav-cta{background:var(--lime);color:var(--ink);font-weight:700;margin-left:10px}
    .nav .nav-cta:hover{background:#efff9a;color:var(--ink);transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid rgba(255,255,255,.3);background:transparent;color:white;border-radius:9px;padding:7px 11px}
    .hero-inner{position:relative;min-height:560px;padding:72px 0 84px;display:grid;grid-template-columns:1.08fr .92fr;gap:65px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--lime)}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--lime)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(39px,5vw,66px);line-height:1.2;letter-spacing:-.055em;margin:18px 0 20px}
    .hero-copy{max-width:620px;color:#d9d1df;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0 34px}
    .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:10px 20px;border-radius:10px;border:1px solid transparent;font-weight:750;transition:.2s}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{transform:translateY(-2px);background:#efff9a;box-shadow:0 9px 20px rgba(217,243,107,.2)}
    .btn-primary:active{transform:translateY(0)}
    .btn-secondary{border-color:#8e7d9c;color:white;background:rgba(255,255,255,.04)}
    .btn-secondary:hover{background:white;color:var(--ink)}
    .btn:focus-visible,.nav a:focus-visible,.faq-q:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap;color:#c6bacd;font-size:13px}
    .hero-meta strong{color:white;font-size:23px;display:block;line-height:1.3}
    .hero-board{background:#f6f4f0;color:var(--ink);border-radius:22px;padding:27px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
    .board-top{display:flex;justify-content:space-between;align-items:start;border-bottom:1px solid var(--line);padding-bottom:20px}
    .board-kicker{color:var(--muted);font-size:12px;font-weight:800;letter-spacing:.1em}
    .board-title{font-size:28px;font-weight:800;line-height:1.3;margin-top:7px}
    .status{font-size:12px;color:#4b6320;background:#e9f6b9;padding:5px 9px;border-radius:7px;white-space:nowrap}
    .board-row{display:grid;grid-template-columns:38px 1fr auto;gap:13px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .board-row:last-child{border-bottom:0}
    .row-no{font-size:13px;color:var(--coral);font-weight:800}
    .board-row strong{display:block;font-size:15px}
    .board-row small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
    .row-arrow{font-size:22px;color:var(--muted);transition:.2s}
    .board-row:hover .row-arrow{color:var(--plum);transform:translateX(4px)}
    .progress{height:5px;background:#ddd7df;margin-top:8px;border-radius:5px;overflow:hidden}
    .progress i{display:block;height:100%;background:var(--coral);border-radius:5px}
    .notice-strip{position:relative;background:var(--lime);color:var(--ink);padding:13px 0;font-size:13px;font-weight:700}
    .notice-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .notice-inner span:last-child{font-weight:500}
    .section{padding:92px 0}
    .section-soft{background:var(--mist)}
    .section-dark{background:var(--plum);color:white}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .section-dark .section-head p{color:#cfc4d6}
    .guide-grid{display:grid;grid-template-columns:5fr 7fr;gap:24px}
    .guide-feature{background:var(--plum);color:white;border-radius:var(--radius);overflow:hidden;min-height:410px;display:flex;flex-direction:column}
    .guide-feature img{height:215px}
    .guide-feature div{padding:25px 28px}
    .guide-feature h3{font-size:27px;line-height:1.35;margin:8px 0 10px}
    .guide-feature p{color:#d4c9da;font-size:14px;margin-bottom:0}
    .choice-list{border-top:1px solid var(--line)}
    .choice{display:grid;grid-template-columns:52px 1fr 30px;gap:18px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);transition:.2s}
    .choice:hover{padding-left:10px;background:rgba(255,255,255,.45)}
    .choice-no{color:var(--coral);font-size:14px;font-weight:800}
    .choice h3{font-size:19px;margin:0 0 5px}
    .choice p{font-size:14px;color:var(--muted);margin:0}
    .choice-arrow{font-size:22px;color:var(--muted)}
    .scenes{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .scene{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}
    .scene:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbaec2}
    .scene.large{grid-column:span 7;display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:center}
    .scene.small{grid-column:span 5}
    .scene img{height:180px;border-radius:12px}
    .scene h3{font-size:21px;margin:12px 0 8px}
    .scene p{font-size:14px;color:var(--muted);margin:0}
    .tag{color:var(--plum);background:var(--mist);padding:5px 9px;border-radius:6px;letter-spacing:.04em}
    .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px}
    .faq-intro h2{font-size:40px;line-height:1.35;margin-bottom:16px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;border:0;background:transparent;text-align:left;padding:21px 0;display:flex;justify-content:space-between;gap:20px;font-weight:750;color:var(--ink)}
    .faq-icon{font-size:23px;color:var(--coral);transition:.2s;line-height:1}
    .faq-answer{display:none;color:var(--muted);font-size:14px;line-height:1.9;padding:0 42px 22px 0}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .decision{display:grid;grid-template-columns:7fr 5fr;gap:22px}
    .decision-main{background:var(--lime);border-radius:var(--radius);padding:35px}
    .decision-main h2{font-size:35px;line-height:1.35;margin-bottom:13px}
    .decision-main p{max-width:600px;font-size:15px}
    .decision-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
    .step{border-top:2px solid var(--plum);padding-top:12px}
    .step b{font-size:24px}
    .step span{display:block;font-size:13px;margin-top:5px}
    .decision-side{background:#30243a;border-radius:var(--radius);padding:30px;color:white}
    .decision-side h3{font-size:22px;margin-bottom:20px}
    .decision-side li{list-style:none;border-bottom:1px solid #594964;padding:14px 0;color:#d6ccdc;font-size:14px}
    .decision-side ul{padding:0;margin:0}
    .decision-side li:before{content:"↗";color:var(--lime);margin-right:10px}
    .cta{background:var(--coral);padding:64px 0}
    .cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .cta h2{font-size:clamp(30px,4vw,48px);line-height:1.3;margin-bottom:15px}
    .cta p{font-size:15px;max-width:520px}
    .contact-form{background:var(--white);border-radius:var(--radius);padding:25px;box-shadow:0 14px 35px rgba(69,35,36,.12)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}
    label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
    input,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px 12px;color:var(--ink);transition:.2s}
    textarea{min-height:90px;resize:vertical}
    input:focus,textarea:focus{border-color:var(--plum);box-shadow:0 0 0 3px rgba(65,49,76,.1);outline:0}
    .field{margin-bottom:14px}
    .form-note{font-size:12px;color:var(--muted);margin:10px 0 0}
    footer{background:var(--plum);color:white;padding:55px 0 25px}
    .footer-top{display:flex;justify-content:space-between;gap:60px;padding-bottom:38px;border-bottom:1px solid #51415d}
    .footer-desc{max-width:290px;color:#cfc4d6;font-size:13px;margin-top:18px}
    .footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:52px}
    .footer-links h3{font-size:14px;margin:0 0 13px;color:var(--lime)}
    .footer-links a{display:block;color:#cfc4d6;font-size:13px;padding:3px 0;transition:.2s}
    .footer-links a:hover{color:white;transform:translateX(3px)}
    .copyright{color:#aa9caf;font-size:12px;line-height:2;margin-top:23px}
    .copyright a{color:#d6cbdc}
    @media(max-width:1024px){
      .nav{gap:1px;font-size:13px}.nav a{padding:8px 8px}
      .hero-inner{gap:35px}.guide-grid,.decision{grid-template-columns:1fr 1fr}
      .faq-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .menu-btn{display:block}
      .nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--plum-2);padding:12px;border:1px solid #62536b;border-radius:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px}.nav .nav-cta{margin:5px 0 0;text-align:center}
      .hero-inner{grid-template-columns:1fr;min-height:auto;padding:55px 0 65px;gap:38px}
      h1{font-size:clamp(36px,10vw,54px)}
      .hero-panel{transform:none}.notice-inner{align-items:start;flex-direction:column;gap:3px}
      .section{padding:68px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .guide-grid,.faq-layout,.decision,.cta-inner{grid-template-columns:1fr}
      .scene.large{grid-column:span 12;display:block}.scene.small{grid-column:span 12}
      .scene.large img{margin-bottom:20px}
      .footer-top{display:block}.footer-links{margin-top:35px;gap:20px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 28px)}
      .topbar{height:68px}.brand{font-size:20px}
      .hero-copy{font-size:15px}.hero-actions .btn{flex:1 1 145px}
      .hero-meta{gap:17px}.hero-board{padding:20px}
      .board-title{font-size:24px}.choice{grid-template-columns:35px 1fr 20px;gap:10px}
      .decision-main,.decision-side{padding:24px}.decision-main h2{font-size:29px}
      .decision-steps{grid-template-columns:1fr;gap:18px}
      .form-row{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr 1fr}
      .footer-links div:last-child{grid-column:span 2}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}