/* roulang page: index */
:root{
      --ink:#20232c;
      --deep:#29243b;
      --deep-2:#38304d;
      --teal:#0d9b91;
      --teal-dark:#08766f;
      --mint:#dff4ee;
      --sand:#f5f1e9;
      --paper:#fffdfa;
      --muted:#707581;
      --line:#e6e1d8;
      --warm:#e99b57;
      --danger:#bd5d5d;
      --radius:16px;
      --shadow:0 14px 36px rgba(39,34,53,.09);
      --shadow-sm:0 5px 18px rgba(39,34,53,.07);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    :focus-visible{outline:3px solid rgba(13,155,145,.38);outline-offset:3px}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px;position:relative}
    .searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f1ede6}
    .channel-scroll{display:flex;gap:7px;overflow-x:auto;padding:9px 0 10px;scrollbar-width:none}
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel{display:inline-flex;align-items:center;min-height:39px;padding:6px 16px;border:1px solid transparent;border-radius:9px;color:#686b73;white-space:nowrap;font-weight:650}
    .channel:hover{background:#f0eee8;color:var(--deep)}
    .channel.active{background:var(--deep);color:#fff;border-color:var(--deep)}
    .hero{min-height:490px;color:#fff;background:linear-gradient(90deg,rgba(35,29,48,.97) 10%,rgba(42,34,55,.78) 54%,rgba(42,34,55,.45)),url('/assets/images/backpic/back-1.webp') center/cover;display:flex;align-items:center}
    .hero-inner{padding:76px 0 64px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    .hero h1{font-size:clamp(32px,5vw,62px);line-height:1.2;max-width:800px;margin:17px 0 20px;letter-spacing:-.03em}
    .hero-copy{font-size:17px;line-height:1.9;max-width:700px;color:#ebe8ed;margin-bottom:27px}
    .hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);margin-left:9px}
    .hero .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
    .hero-notes{display:flex;flex-wrap:wrap;gap:11px;margin-top:31px}
    .hero-note{border-left:2px solid var(--teal);padding:2px 15px;color:#d7d3dc;font-size:13px}
    .section{padding:78px 0}
    .section.alt{background:#fbfaf6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}
    .section-head p{max-width:600px;color:var(--muted);margin:0}
    .metric-wrap{margin-top:-1px;background:var(--deep);color:#fff;padding:28px 0}
    .metric-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:1px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.17)}
    .metric{padding:21px 23px;background:var(--deep)}
    .metric:first-child{background:var(--deep-2)}
    .metric-label{font-size:13px;color:#bdb8c8}
    .metric-value{font-size:31px;font-weight:800;line-height:1.25;margin:7px 0 5px;color:#fff}
    .metric small{color:#d5d0da}
    .status{display:inline-flex;font-size:11px;line-height:1.4;padding:3px 7px;border-radius:5px;background:var(--mint);color:var(--teal-dark);font-weight:800}
    .matrix{display:grid;grid-template-columns:1.3fr 1fr 1fr;grid-template-rows:auto auto;gap:16px}
    .feature-card,.info-card,.compare-box,.quote,.partner,.news-panel,.form-panel,.action-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .feature-card{grid-row:span 2;padding:31px;position:relative;overflow:hidden}
    .feature-card:after{content:"01";position:absolute;right:22px;top:14px;font-size:74px;font-weight:900;color:#edf1ec;line-height:1}
    .feature-card h3,.info-card h3{position:relative;font-size:22px;color:var(--deep);margin:15px 0 10px}
    .feature-card p,.info-card p{color:var(--muted);margin-bottom:20px}
    .card-img{height:166px;width:100%;object-fit:cover;border-radius:11px;margin-top:23px}
    .info-card{padding:24px;min-height:185px;position:relative}
    .info-card .index{color:var(--teal);font-weight:800;font-size:12px}
    .info-card h3{font-size:18px}
    .info-card p{font-size:14px;line-height:1.75;margin-bottom:14px}
    .inline-link{font-size:13px;font-weight:800;color:var(--teal-dark)}
    .compare-layout{display:grid;grid-template-columns:1fr 1.7fr;gap:22px;align-items:stretch}
    .conclusion{background:var(--deep);border-radius:var(--radius);color:#fff;padding:32px;display:flex;flex-direction:column;justify-content:space-between}
    .conclusion h3{font-size:26px;line-height:1.4;margin:12px 0}
    .conclusion p{color:#d9d5df}
    .mini-bars{margin-top:24px}
    .bar-line{margin:13px 0}
    .bar-line span{display:flex;justify-content:space-between;font-size:12px;color:#d9d5df;margin-bottom:5px}
    .bar-track{height:7px;background:#5a526a;border-radius:20px;overflow:hidden}
    .bar-track i{display:block;height:100%;background:#73d5c7;border-radius:20px}
    .compare-box{padding:20px;overflow:auto}
    .compare-table{width:100%;min-width:560px;border-collapse:collapse}
    .compare-table th,.compare-table td{text-align:left;padding:15px 13px;border-bottom:1px solid var(--line);vertical-align:top}
    .compare-table th{font-size:12px;letter-spacing:.05em;color:var(--muted);font-weight:800}
    .compare-table td{font-size:14px}
    .compare-table tr:last-child td{border-bottom:0}
    .good{color:var(--teal-dark);font-weight:750}
    .neutral{color:#8b765d}
    .partners{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .partner{padding:20px;display:flex;gap:14px}
    .partner-icon{width:35px;height:35px;border-radius:9px;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-weight:900;flex:none}
    .partner strong{display:block;color:var(--deep);margin-bottom:4px}
    .partner p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{padding:24px;position:relative}
    .quote:before{content:"“";color:var(--teal);font-size:42px;font-weight:900;line-height:.8}
    .quote p{font-size:14px;line-height:1.85;margin:8px 0 17px;color:#4f535d}
    .user{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px}
    .avatar{width:32px;height:32px;border-radius:50%;background:#d8c9b1;color:var(--deep);display:grid;place-items:center;font-weight:800}
    .user small{color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1.5fr .8fr;gap:20px}
    .news-panel{padding:24px}
    .news-list{list-style:none;padding:0;margin:0}
    .news-list li{display:grid;grid-template-columns:100px 1fr 75px;gap:15px;align-items:start;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-list li:last-child{border-bottom:0}
    .news-tag{font-size:11px;color:var(--teal-dark);font-weight:800}
    .news-list a{font-weight:750;color:var(--deep);line-height:1.55}
    .news-list a:hover{color:var(--teal)}
    .news-list p{font-size:13px;color:var(--muted);line-height:1.7;margin:6px 0 0}
    .news-date{font-size:12px;color:#97948e;text-align:right}
    .recommend{overflow:hidden;border-radius:var(--radius);min-height:100%;background:var(--deep);color:#fff}
    .recommend img{height:185px;width:100%;object-fit:cover;opacity:.88}
    .recommend-body{padding:24px}
    .recommend h3{font-size:21px;line-height:1.45}
    .recommend p{font-size:14px;color:#d6d1dc}
    .faq-list{max-width:930px;margin:auto}
    .accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}
    .accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}
    .accordion-button:after{background-size:14px}
    .accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}
    .faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .cta-section{background:var(--deep);padding:78px 0;color:#fff}
    .cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}
    .cta-section h2{font-size:34px;line-height:1.35;margin:9px 0 16px}
    .cta-section .lead{color:#d7d2dc;line-height:1.9}
    .process-note{border-left:2px solid var(--teal);padding-left:17px;margin-top:26px;color:#d8d4de;font-size:14px}
    .form-panel{padding:27px;background:#fffdfa;color:var(--ink)}
    .form-label{font-weight:700;font-size:13px;color:var(--deep)}
    .form-control,.form-select{border:1px solid #ddd8ce;background:#fff;height:46px;border-radius:9px}
    textarea.form-control{height:105px;resize:vertical}
    .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.12)}
    .required{color:var(--danger)}
    .form-hint{font-size:12px;color:#888b91;margin-top:12px}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{font-size:13px;color:#aaa6b2;line-height:1.8}
    footer h3{font-size:14px;color:#fff;margin:5px 0 15px}
    footer a{display:block;font-size:13px;color:#aaa6b2;margin:8px 0}
    footer a:hover{color:#74d7ca}
    .copyright{border-top:1px solid #3d384a;margin-top:30px;padding-top:19px;font-size:12px;color:#9995a3;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .copyright a{display:inline;color:#bdb9c4;margin:0 4px}
    @media(max-width:992px){
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .matrix{grid-template-columns:1fr 1fr}.feature-card{grid-row:auto;grid-column:span 2}
      .compare-layout,.cta-grid,.news-layout{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{height:68px;gap:10px}.brand{font-size:18px}.brand-mark{width:30px;height:30px}
      .searchbox{width:auto;flex:1;max-width:190px}.searchbox input{height:38px}
      .topbar>.btn-main{padding:8px 12px;font-size:13px}
      .hero{min-height:430px}.hero-inner{padding:57px 0}.hero h1{font-size:36px}.hero-copy{font-size:15px}
      .section{padding:57px 0}.section-head{display:block}.section-head p{margin-top:13px}
      .partners,.reviews{grid-template-columns:1fr 1fr}
    }
    @media(max-width:576px){
      body{font-size:14px}.container{padding-left:18px;padding-right:18px}
      .topbar>.btn-main{display:none}.searchbox{max-width:none}
      .channel-scroll{margin:0 -18px;padding-left:18px;padding-right:18px}
      .hero h1{font-size:30px}.hero-copy{line-height:1.8}.hero .btn-ghost{margin:10px 0 0 4px}
      .metric-grid{grid-template-columns:1fr 1fr}.metric{padding:17px 13px}.metric-value{font-size:24px}
      .matrix,.partners,.reviews{grid-template-columns:1fr}.feature-card{grid-column:auto}
      .news-list li{grid-template-columns:1fr 65px;gap:5px}.news-tag{grid-column:1/3}.news-date{grid-column:2;grid-row:2}
      .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
      .copyright{display:block}.copyright span{display:block;margin-bottom:9px}
    }

/* roulang page: category2 */
:root{
      --ink:#20232c;--deep:#29243b;--deep-2:#38304d;--teal:#0d9b91;--teal-dark:#08766f;
      --mint:#dff4ee;--sand:#f5f1e9;--paper:#fffdfa;--muted:#707581;--line:#e6e1d8;
      --warm:#e99b57;--danger:#bd5d5d;--radius:16px;--shadow:0 14px 36px rgba(39,34,53,.09);
      --shadow-sm:0 5px 18px rgba(39,34,53,.07)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}a:hover{color:var(--teal-dark)}
    img{max-width:100%;display:block}button,input,select,textarea{font:inherit}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px}.searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f0ede7}.channel-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}.channel-scroll::-webkit-scrollbar{display:none}
    .channel{min-height:49px;display:inline-flex;align-items:center;padding:0 19px;color:var(--muted);font-weight:700;white-space:nowrap;border-bottom:3px solid transparent}
    .channel:hover{color:var(--teal-dark);background:#f1f8f4}.channel.active{color:var(--teal-dark);border-bottom-color:var(--teal);background:var(--mint)}
    .page-banner{position:relative;min-height:310px;color:#fff;background:linear-gradient(90deg,rgba(35,29,48,.96),rgba(42,34,55,.73)),url('/assets/images/backpic/back-2.webp') center/cover}
    .banner-inner{padding:55px 0 48px}.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    h1{font-size:clamp(30px,4.5vw,54px);line-height:1.25;letter-spacing:-.03em;margin:14px 0 13px}.banner-copy{max-width:700px;color:#e8e4eb;font-size:16px;margin:0}
    .crumb{font-size:13px;color:#c4becb;margin-bottom:12px}.crumb a{color:#8fd8ce}.tag{display:inline-flex;padding:5px 11px;border-radius:7px;background:rgba(121,213,201,.14);border:1px solid rgba(121,213,201,.4);color:#a7e4db;font-size:12px;font-weight:700}
    .countbar{margin-top:24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:#e8e4eb;font-size:13px}.count{display:flex;gap:7px}.count b{background:#fff;color:var(--deep);border-radius:6px;padding:3px 8px;font-size:17px;line-height:1.3}
    .section{padding:72px 0}.section.alt{background:#fbfaf6}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}.section-head p{max-width:600px;color:var(--muted);margin:0}
    .process-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.75fr);gap:28px;align-items:start}
    .steps{position:relative;padding-left:22px}.steps:before{content:"";position:absolute;left:21px;top:25px;bottom:28px;width:2px;background:#b8ded6}
    .step{position:relative;display:grid;grid-template-columns:52px 1fr;gap:18px;padding:0 0 28px}.step:last-child{padding-bottom:0}
    .step-no{position:relative;z-index:1;width:44px;height:44px;border-radius:13px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 0 0 6px var(--sand)}
    .step-card,.tip-card,.summary-card,.action-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .step-card{padding:22px 25px}.step-card h3{font-size:21px;color:var(--deep);margin:0 0 8px}.step-card p{color:var(--muted);margin:0 0 12px}.status{font-size:12px;font-weight:800;padding:4px 9px;border-radius:6px;background:var(--mint);color:var(--teal-dark);display:inline-block}.notice{margin-top:14px;border-left:3px solid var(--warm);padding:8px 13px;background:#fff7ed;color:#765538;font-size:13px}
    .tip-card{padding:25px;position:sticky;top:150px}.tip-card img{height:150px;width:100%;object-fit:cover;border-radius:11px;margin:-1px 0 21px}.tip-card h3{font-size:20px;color:var(--deep);margin:0 0 12px}.tip-card ul{padding-left:19px;color:var(--muted);margin:0}.tip-card li{margin:8px 0}
    .summary{display:grid;grid-template-columns:1fr 1fr 1fr;gap:15px}.summary-card{padding:22px}.summary-card strong{display:block;color:var(--teal);font-size:25px;line-height:1.2;margin-bottom:7px}.summary-card span{color:var(--muted);font-size:13px}
    .guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.guide-item{padding:22px 24px;border:1px solid var(--line);border-radius:13px;background:var(--paper)}.guide-item h3{font-size:18px;color:var(--deep);margin:0 0 7px}.guide-item p{margin:0;color:var(--muted);font-size:14px}
    .faq-list{max-width:930px;margin:auto}.accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}.accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}.accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}.accordion-button:after{background-size:14px}.accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}.faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .cta-section{background:var(--deep);padding:72px 0;color:#fff}.cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}.cta-section h2{font-size:34px;line-height:1.35;margin:9px 0 16px}.cta-section .lead{color:#d7d2dc;line-height:1.9}.form-panel{padding:27px;background:#fffdfa;color:var(--ink);border-radius:var(--radius)}.form-label{font-weight:700;font-size:13px;color:var(--deep)}.form-control,.form-select{border:1px solid #ddd8ce;background:#fff;height:46px;border-radius:9px}.textarea{height:105px!important;resize:vertical}.form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.12)}.form-hint{font-size:12px;color:#888b91;margin-top:12px}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}footer .brand{color:#fff;margin-bottom:14px}footer p{font-size:13px;color:#aaa6b2;line-height:1.8}footer h3{font-size:14px;color:#fff;margin:4px 0 14px}footer .footer-grid a:not(.brand){display:block;font-size:13px;color:#aaa6b2;margin:8px 0}footer .footer-grid a:hover{color:#79d5c9}.copyright{border-top:1px solid #393444;margin-top:30px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;font-size:12px;color:#8f8b98}.copyright a{color:#bcb7c4}.copyright a:hover{color:#79d5c9}
    :focus-visible{outline:3px solid rgba(13,155,145,.45);outline-offset:3px}
    @media(max-width:992px){.process-layout,.cta-grid{grid-template-columns:1fr}.tip-card{position:static}.footer-grid{grid-template-columns:1fr 1fr}.topbar{gap:14px}}
    @media(max-width:768px){.topbar{height:auto;min-height:70px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}.searchbox{order:3;flex-basis:100%;width:100%;margin-left:0}.channel{padding:0 15px}.section{padding:55px 0}.banner-inner{padding:42px 0}.summary{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:12px}}
    @media(max-width:576px){body{font-size:14px}.topbar .btn-main{padding:8px 12px;font-size:13px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}.page-banner{min-height:0}.countbar{gap:10px}.count b{font-size:15px}.guide-grid,.summary{grid-template-columns:1fr}.step{grid-template-columns:42px 1fr;gap:12px;padding-left:0}.steps{padding-left:8px}.steps:before{left:28px}.step-no{width:40px;height:40px}.step-card{padding:19px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:10px}}

/* roulang page: category1 */
:root{
      --ink:#20232c;--deep:#29243b;--deep-2:#38304d;--teal:#0d9b91;
      --teal-dark:#08766f;--mint:#dff4ee;--sand:#f5f1e9;--paper:#fffdfa;
      --muted:#707581;--line:#e6e1d8;--warm:#e99b57;--danger:#bd5d5d;
      --radius:16px;--shadow:0 14px 36px rgba(39,34,53,.09);--shadow-sm:0 5px 18px rgba(39,34,53,.07)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px}
    .searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f0ece4}
    .channel-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel{min-height:52px;padding:13px 18px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;color:var(--muted);font-weight:700;border-bottom:3px solid transparent}
    .channel:hover{color:var(--teal-dark);background:#f3faf7}
    .channel.active{color:var(--teal-dark);background:var(--mint);border-bottom-color:var(--teal)}
    .inner-hero{background:var(--deep);color:#fff;padding:54px 0 50px;position:relative;overflow:hidden}
    .inner-hero:after{content:"功能索引";position:absolute;right:7%;bottom:-28px;color:rgba(255,255,255,.05);font-size:108px;font-weight:900;line-height:1}
    .crumb{font-size:13px;color:#b9c9c5;margin-bottom:18px}
    .crumb a{color:#8edbd1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    .inner-hero h1{font-size:clamp(30px,4.5vw,52px);line-height:1.25;letter-spacing:-.03em;margin:12px 0 14px;position:relative;z-index:1}
    .hero-copy{max-width:720px;color:#e5e1e8;font-size:16px;margin:0;position:relative;z-index:1}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;position:relative;z-index:1}
    .hero-meta span,.badge{border:1px solid rgba(121,213,201,.45);border-radius:999px;padding:4px 11px;font-size:12px;color:#a9e6de}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}
    .section-head p{max-width:610px;color:var(--muted);margin:0}
    .index-layout{display:grid;grid-template-columns:270px 1fr;gap:25px;align-items:start}
    .index-panel,.info-card,.feature-card,.action-panel,.notice,.form-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .index-panel{padding:16px;position:sticky;top:150px}
    .panel-label{font-size:12px;color:var(--muted);letter-spacing:.12em;font-weight:800;padding:9px 12px 15px}
    .index-link{display:flex;align-items:center;gap:12px;padding:14px 12px;border-radius:11px;color:var(--muted);border:1px solid transparent;margin-bottom:5px}
    .index-link strong{font-size:12px;color:var(--teal);width:25px}
    .index-link span{font-weight:700}
    .index-link:hover,.index-link.current{background:var(--mint);border-color:#c7e8df;color:var(--teal-dark)}
    .data-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
    .data-head{padding:24px 27px;background:#f0f8f4;border-bottom:1px solid #d9ebe5;display:flex;justify-content:space-between;gap:20px;align-items:center}
    .data-head h2{font-size:24px;color:var(--deep);margin:0}
    .status{font-size:12px;color:var(--teal-dark);background:#d9f2eb;padding:5px 10px;border-radius:999px;font-weight:800;white-space:nowrap}
    .data-body{padding:27px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:27px;align-items:start}
    .feature-card{padding:24px}
    .feature-card img{height:210px;width:100%;object-fit:cover;border-radius:11px;margin-bottom:20px}
    .feature-card h3,.info-card h3{color:var(--deep);font-size:21px;margin:0 0 10px}
    .feature-card p,.info-card p{color:var(--muted);margin:0 0 16px}
    .spec-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .spec-list li{display:grid;grid-template-columns:145px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
    .spec-list b{color:var(--deep);font-size:14px}
    .spec-list span{color:var(--muted);font-size:14px}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
    .tag{display:inline-flex;padding:4px 10px;background:#f3eee5;color:#6e665c;border-radius:7px;font-size:12px;font-weight:700}
    .module-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;margin-top:25px}
    .module-item{padding:21px;border:1px solid var(--line);border-radius:13px;background:#fffefa;transition:.25s ease}
    .module-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#b8ded5}
    .module-item.large{grid-row:span 2;background:var(--deep);color:#fff;border-color:var(--deep)}
    .module-no{font-size:12px;color:var(--teal);font-weight:900;letter-spacing:.08em}
    .module-item.large .module-no{color:#8ddcd2}
    .module-item h3{font-size:19px;margin:9px 0 7px;color:var(--deep)}
    .module-item.large h3{color:#fff;font-size:24px}
    .module-item p{color:var(--muted);font-size:14px;line-height:1.75;margin:0}
    .module-item.large p{color:#d5d1dc}
    .notice{padding:22px 25px;background:#fff7ed;border-color:#f1dcc4;margin-top:25px}
    .notice strong{color:#9b5d29;margin-right:8px}
    .notice p{display:inline;color:#755f4b;font-size:14px}
    .metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:27px}
    .metric{background:var(--paper);padding:22px}
    .metric small{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}
    .metric strong{font-size:25px;color:var(--teal-dark);display:block;line-height:1.25}
    .metric span{font-size:12px;color:var(--muted)}
    .faq-list{max-width:920px;margin:auto}
    .accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}
    .accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}
    .accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}
    .faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .cta-section{background:var(--deep);padding:70px 0;color:#fff}
    .cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}
    .cta-section h2{font-size:34px;line-height:1.35;margin:9px 0 16px}
    .cta-section .lead{color:#d7d2dc;line-height:1.9}
    .action-points{padding:0;margin:28px 0 0;list-style:none}
    .action-points li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.13);color:#d8d4dd}
    .action-points li:before{content:"✓";color:#79d5c9;font-weight:900;margin-right:10px}
    .form-panel{padding:27px;background:#fffdfa;color:var(--ink)}
    .form-label{font-weight:700;font-size:13px;color:var(--deep)}
    .form-control,.form-select{border:1px solid #ddd8ce;background:#fff;height:46px;border-radius:9px}
    textarea.form-control{height:105px;resize:vertical}
    .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.12)}
    .form-hint{font-size:12px;color:#888b91;margin-top:12px}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{font-size:13px;color:#aaa6b2;line-height:1.8}
    footer h3{font-size:14px;color:#fff;margin:4px 0 14px}
    footer a:not(.brand){display:block;color:#aaa6b2;font-size:13px;margin:8px 0}
    footer a:hover{color:#79d5c9}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;color:#8f8b98;font-size:12px;line-height:1.8}
    .copyright a{display:inline!important}
    :focus-visible{outline:3px solid rgba(13,155,145,.45);outline-offset:3px}
    @media(max-width:992px){.index-layout{grid-template-columns:220px 1fr}.intro-grid,.cta-grid{grid-template-columns:1fr}.index-panel{top:140px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topbar{height:auto;min-height:70px;gap:12px}.searchbox{width:clamp(130px,30vw,220px)}.topbar .btn-main{padding:8px 12px;font-size:13px}.channel{min-height:50px;padding:12px 15px}.section{padding:54px 0}.index-layout{display:block}.index-panel{position:static;margin-bottom:18px;display:flex;overflow-x:auto;gap:5px;padding:10px}.panel-label{display:none}.index-link{min-width:max-content;margin:0}.data-head{align-items:flex-start;flex-direction:column}.metric-strip{grid-template-columns:repeat(2,1fr)}.module-grid{grid-template-columns:1fr}.module-item.large{grid-row:auto}.copyright{flex-direction:column}}
    @media(max-width:520px){body{font-size:14px}.brand{font-size:18px}.brand-mark{width:31px;height:31px}.searchbox{order:3;width:100%}.topbar{flex-wrap:wrap;padding:12px 0}.topbar .btn-main{margin-left:auto}.inner-hero{padding:42px 0}.inner-hero h1{font-size:30px}.data-body{padding:18px}.spec-list li{grid-template-columns:1fr;gap:3px}.metric{padding:17px 13px}.metric strong{font-size:21px}.footer-grid{grid-template-columns:1fr}.cta-section h2{font-size:28px}}

/* roulang page: category3 */
:root{
      --ink:#20232c;
      --deep:#29243b;
      --deep-2:#38304d;
      --teal:#0d9b91;
      --teal-dark:#08766f;
      --mint:#dff4ee;
      --sand:#f5f1e9;
      --paper:#fffdfa;
      --muted:#707581;
      --line:#e6e1d8;
      --warm:#e99b57;
      --danger:#bd5d5d;
      --radius:16px;
      --shadow:0 14px 36px rgba(39,34,53,.09);
      --shadow-sm:0 5px 18px rgba(39,34,53,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal-dark)}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px}
    .searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f0ece5}
    .channel-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel{min-height:48px;display:inline-flex;align-items:center;padding:0 18px;color:var(--muted);font-weight:700;white-space:nowrap;border-bottom:3px solid transparent}
    .channel:hover{color:var(--teal-dark);background:#f4faf7}
    .channel.active{color:var(--teal-dark);background:var(--mint);border-bottom-color:var(--teal)}
    .inner-hero{background:var(--deep);color:#fff;padding:58px 0 54px;position:relative;overflow:hidden}
    .inner-hero:after{content:"03";position:absolute;right:8%;bottom:-45px;color:rgba(255,255,255,.06);font-size:210px;font-weight:900;line-height:1}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    .inner-hero h1{font-size:clamp(31px,4.5vw,54px);line-height:1.25;margin:15px 0 15px;letter-spacing:-.03em}
    .hero-copy{font-size:16px;color:#ddd9e2;max-width:690px;margin:0 0 23px}
    .breadcrumbs{font-size:13px;color:#bcb7c5;margin-bottom:17px}
    .breadcrumbs a{color:#8fe0d4}
    .hero-image{height:225px;width:100%;object-fit:cover;border-radius:15px;border:1px solid rgba(255,255,255,.2);opacity:.9}
    .hero-tag{display:inline-flex;padding:5px 11px;background:rgba(223,244,238,.12);border:1px solid rgba(121,213,201,.4);border-radius:20px;color:#a8e7de;font-size:12px;margin-right:7px}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}
    .section-head p{max-width:600px;color:var(--muted);margin:0}
    .index-strip{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:27px}
    .index-pill{padding:8px 13px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--muted);font-size:13px}
    .index-pill strong{color:var(--teal);margin-right:6px}
    .matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm);background:var(--paper)}
    .compare-table{width:100%;min-width:820px;border-collapse:separate;border-spacing:0}
    .compare-table th,.compare-table td{padding:18px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top}
    .compare-table th:last-child,.compare-table td:last-child{border-right:0}
    .compare-table tr:last-child td{border-bottom:0}
    .compare-table thead th{background:var(--deep);color:#fff;text-align:left;font-size:14px;line-height:1.5}
    .compare-table thead th:first-child{width:22%;background:var(--deep-2)}
    .compare-table thead th.recommend-col{background:var(--teal-dark);position:relative}
    .recommend-label{display:inline-block;font-size:11px;color:#dff4ee;background:rgba(255,255,255,.14);padding:3px 7px;border-radius:5px;margin-top:7px}
    .compare-table tbody td:first-child{font-weight:750;color:var(--deep);background:#faf8f3}
    .compare-table tbody td{color:#666b75;font-size:14px}
    .compare-table tbody td.recommend-col{background:#f0faf6}
    .status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;padding:4px 8px;border-radius:6px;margin-bottom:7px}
    .status.ready{color:var(--teal-dark);background:var(--mint)}
    .status.check{color:#9a6230;background:#fff0df}
    .status.basic{color:#64636c;background:#efede8}
    .status:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
    .selection-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .choice-panel,.note-panel,.criteria-card,.faq-list .accordion-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .choice-panel{padding:30px}
    .choice-panel h3,.note-panel h3,.criteria-card h3{color:var(--deep);font-size:21px;margin:0 0 12px}
    .choice-panel p,.note-panel p{color:var(--muted)}
    .choice-list{list-style:none;padding:0;margin:23px 0 0}
    .choice-list li{display:grid;grid-template-columns:34px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
    .choice-list b{width:27px;height:27px;display:grid;place-items:center;border-radius:8px;background:var(--mint);color:var(--teal-dark);font-size:13px}
    .choice-list strong{display:block;color:var(--deep);margin-bottom:3px}
    .choice-list span{display:block;color:var(--muted);font-size:13px;line-height:1.7}
    .note-panel{padding:30px;background:var(--deep);color:#fff}
    .note-panel h3{color:#fff}
    .note-panel p{color:#d5d0da}
    .note-panel img{height:135px;width:100%;object-fit:cover;border-radius:11px;margin-top:18px;opacity:.82}
    .mini-tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:20px}
    .mini-tag{border:1px solid rgba(121,213,201,.4);color:#9be1d7;border-radius:6px;padding:4px 8px;font-size:12px}
    .criteria-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .criteria-card{padding:23px}
    .criteria-card .number{font-size:30px;color:var(--teal);font-weight:850;line-height:1}
    .criteria-card h3{font-size:17px;margin-top:17px}
    .criteria-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
    .faq-list{max-width:930px;margin:auto}
    .accordion-item{margin-bottom:10px;overflow:hidden}
    .accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}
    .accordion-button:focus{box-shadow:0 0 0 3px rgba(13,155,145,.18)!important}
    .accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}
    .faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .cta-section{background:var(--deep);padding:68px 0;color:#fff}
    .cta-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}
    .cta-section h2{font-size:34px;line-height:1.35;margin:9px 0 16px}
    .cta-section .lead{color:#d7d2dc;line-height:1.9}
    .form-panel{padding:27px;background:#fffdfa;color:var(--ink);border-radius:var(--radius)}
    .form-label{font-weight:700;font-size:13px;color:var(--deep)}
    .form-control,.form-select{border:1px solid #ddd8ce;background:#fff;height:46px;border-radius:9px}
    textarea.form-control{height:105px;resize:vertical}
    .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.12)}
    .form-hint{font-size:12px;color:#888b91;margin-top:12px}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{font-size:13px;color:#aaa6b2;line-height:1.8}
    footer h3{font-size:14px;color:#fff;margin:5px 0 15px}
    footer a:not(.brand){display:block;font-size:13px;color:#aaa6b2;margin:8px 0}
    footer a:not(.brand):hover{color:#8fe0d4}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #393443;padding-top:20px;margin-top:30px;color:#898592;font-size:12px;line-height:1.8}
    .copyright a{display:inline!important;color:#aaa6b2}
    @media(max-width:992px){
      .hero-layout,.selection-grid,.cta-grid{grid-template-columns:1fr}
      .hero-image{max-width:600px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .topbar{height:68px;gap:12px}
      .brand{font-size:18px}
      .searchbox{width:auto;flex:1;max-width:220px}
      .topbar .btn-main{padding:8px 12px;font-size:13px}
      .channel{padding:0 14px}
      .inner-hero{padding:44px 0}
      .section{padding:55px 0}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .criteria-grid{grid-template-columns:1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:8px}
    }
    @media(max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .topbar{gap:8px}
      .brand-mark{width:30px;height:30px}
      .searchbox{display:none}
      .topbar .btn-main{margin-left:auto}
      .metric-grid{grid-template-columns:1fr}
      .inner-hero h1{font-size:32px}
      .hero-copy{font-size:15px}
      .footer-grid{grid-template-columns:1fr}
      .cta-section h2{font-size:28px}
    }

/* roulang page: category4 */
:root{
      --ink:#20232c;
      --deep:#29243b;
      --deep-2:#38304d;
      --teal:#0d9b91;
      --teal-dark:#08766f;
      --mint:#dff4ee;
      --sand:#f5f1e9;
      --paper:#fffdfa;
      --muted:#707581;
      --line:#e6e1d8;
      --warm:#e99b57;
      --danger:#bd5d5d;
      --radius:16px;
      --shadow:0 14px 36px rgba(39,34,53,.09);
      --shadow-sm:0 5px 18px rgba(39,34,53,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px}
    .searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f0ece5}
    .channel-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel{min-height:50px;display:inline-flex;align-items:center;padding:0 18px;color:var(--muted);font-weight:700;white-space:nowrap;border-bottom:3px solid transparent}
    .channel:hover{color:var(--teal-dark);background:#f5faf7}
    .channel.active{color:var(--teal-dark);background:var(--mint);border-bottom-color:var(--teal)}
    .page-hero{background:linear-gradient(90deg,rgba(41,36,59,.96),rgba(41,36,59,.72)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .page-hero-inner{padding:58px 0 54px}
    .breadcrumb{font-size:13px;color:#bfcbd0;margin-bottom:22px}
    .breadcrumb a{color:#8ed9ce}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    .page-hero h1{font-size:clamp(32px,5vw,54px);line-height:1.22;letter-spacing:-.03em;margin:14px 0 15px}
    .page-hero p{max-width:720px;color:#e6e3e9;font-size:16px;margin:0}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .tag{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.25);border-radius:7px;padding:4px 10px;color:#e2f8f2;font-size:12px}
    .section{padding:72px 0}
    .section.alt{background:#fbfaf6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:29px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}
    .section-head p{max-width:610px;color:var(--muted);margin:0}
    .overview-grid{display:grid;grid-template-columns:1.1fr 1.9fr;gap:22px;align-items:stretch}
    .overview-image{min-height:330px;border-radius:var(--radius);overflow:hidden;position:relative;background:var(--deep)}
    .overview-image img{width:100%;height:100%;object-fit:cover;opacity:.83}
    .image-caption{position:absolute;left:22px;right:22px;bottom:20px;color:#fff;background:rgba(41,36,59,.82);padding:13px 15px;border-left:3px solid var(--teal);font-size:13px}
    .index-panel,.notice-card,.question-card,.action-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .index-panel{padding:27px}
    .index-row{display:flex;align-items:flex-start;gap:15px;padding:15px 0;border-bottom:1px solid var(--line)}
    .index-row:last-child{border-bottom:0}
    .index-number{color:var(--teal);font-weight:800;font-size:13px;min-width:30px}
    .index-row strong{display:block;color:var(--deep);font-size:16px;margin-bottom:2px}
    .index-row span{color:var(--muted);font-size:13px;line-height:1.7}
    .filter-strip{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 27px}
    .filter{border:1px solid var(--line);background:var(--paper);color:var(--muted);border-radius:9px;padding:8px 15px;font-size:13px;font-weight:700}
    .filter.active,.filter:hover{background:var(--mint);border-color:#a8dcd1;color:var(--teal-dark)}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.7fr;gap:28px;align-items:start}
    .count-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:28px;position:sticky;top:145px}
    .count-panel .big-number{font-size:60px;line-height:1;font-weight:800;color:#8be0d4;margin:14px 0 10px}
    .count-panel p{color:#d5d1dc;font-size:13px;line-height:1.8;margin-bottom:22px}
    .count-line{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.16);padding:12px 0;color:#ddd9e1;font-size:13px}
    .accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden;box-shadow:var(--shadow-sm)}
    .accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}
    .accordion-button:focus{box-shadow:0 0 0 4px rgba(13,155,145,.13)!important}
    .accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}
    .faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .notice-card{padding:24px}
    .notice-card .notice-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:var(--mint);color:var(--teal-dark);font-weight:800;margin-bottom:17px}
    .notice-card.warning .notice-icon{background:#fff0df;color:#a9652e}
    .notice-card.check .notice-icon{background:#f0eaf8;color:#675086}
    .notice-card h3{font-size:18px;color:var(--deep);margin:0 0 8px}
    .notice-card p{font-size:13px;color:var(--muted);line-height:1.8;margin:0}
    .related{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .related a{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:19px 21px;display:flex;justify-content:space-between;align-items:center;font-weight:750;color:var(--deep)}
    .related a:hover{border-color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
    .related small{display:block;color:var(--muted);font-weight:400;font-size:12px;margin-top:4px}
    .cta-section{background:var(--deep);padding:66px 0;color:#fff}
    .cta-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:34px;align-items:center}
    .cta-section h2{font-size:32px;line-height:1.35;margin:9px 0 14px}
    .cta-section .lead{color:#d7d2dc;line-height:1.9;margin:0}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{font-size:13px;color:#aaa6b2;line-height:1.8}
    footer h3{color:#fff;font-size:14px;margin:4px 0 14px}
    footer a:not(.brand){display:block;color:#aaa6b2;font-size:13px;margin:8px 0}
    footer a:hover{color:#79d5c9}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#918d99}
    .copyright a{display:inline!important}
    :focus-visible{outline:3px solid rgba(13,155,145,.55);outline-offset:3px}
    @media(max-width:991px){
      .overview-grid,.faq-layout,.cta-grid{grid-template-columns:1fr}
      .count-panel{position:static}
      .notice-grid{grid-template-columns:repeat(3,1fr)}
    }
    @media(max-width:767px){
      .topbar{height:auto;min-height:70px;gap:11px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}
      .searchbox{order:3;width:100%;margin-left:0}
      .topbar>.btn-main{margin-left:auto}
      .channel{padding:0 14px;min-height:48px}
      .page-hero-inner{padding:42px 0}
      .section{padding:53px 0}
      .section-head{display:block}
      .section-head p{margin-top:13px}
      .notice-grid{grid-template-columns:1fr}
      .related{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:10px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .brand{font-size:18px}
      .brand-mark{width:31px;height:31px}
      .topbar>.btn-main{padding:8px 12px;font-size:13px}
      .page-hero h1{font-size:32px}
      .overview-image{min-height:250px}
      .index-panel,.notice-card{padding:21px}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category5 */
:root{
      --ink:#20232c;
      --deep:#29243b;
      --deep-2:#38304d;
      --teal:#0d9b91;
      --teal-dark:#08766f;
      --mint:#dff4ee;
      --sand:#f5f1e9;
      --paper:#fffdfa;
      --muted:#707581;
      --line:#e6e1d8;
      --warm:#e99b57;
      --danger:#bd5d5d;
      --radius:16px;
      --shadow:0 14px 36px rgba(39,34,53,.09);
      --shadow-sm:0 5px 18px rgba(39,34,53,.07);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--sand);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;line-height:1.85}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--teal-dark)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{max-width:1210px}
    .site-header{background:rgba(255,253,250,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .topbar{height:76px;display:flex;align-items:center;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:21px;letter-spacing:.02em;white-space:nowrap}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:var(--teal);color:#fff;display:grid;place-items:center;font-size:15px;box-shadow:4px 4px 0 #b9ded6}
    .searchbox{margin-left:auto;width:245px;position:relative}
    .searchbox input{width:100%;height:40px;border:1px solid var(--line);background:#faf8f3;border-radius:10px;padding:0 14px;color:var(--ink)}
    .searchbox input:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.1);outline:0}
    .btn-main,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:9px 19px;border-radius:10px;font-weight:700;border:1px solid transparent;transition:.25s ease}
    .btn-main{background:var(--teal);color:#fff;box-shadow:0 6px 14px rgba(13,155,145,.2)}
    .btn-main:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 18px rgba(13,155,145,.25)}
    .btn-ghost{border-color:#cfc9bd;background:transparent;color:var(--deep)}
    .btn-ghost:hover{border-color:var(--teal);background:var(--mint);color:var(--teal-dark)}
    .channel-bar{border-top:1px solid #f0ece5;background:#fffdfa}
    .channel-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none}
    .channel-scroll::-webkit-scrollbar{display:none}
    .channel{min-height:48px;display:inline-flex;align-items:center;padding:0 18px;color:var(--muted);font-weight:700;white-space:nowrap;border-bottom:3px solid transparent}
    .channel:hover{color:var(--teal-dark);background:#f4faf7}
    .channel.active{color:var(--teal-dark);background:var(--mint);border-bottom-color:var(--teal)}
    .page-hero{background:linear-gradient(90deg,rgba(41,36,59,.96),rgba(56,48,77,.78)),url('/assets/images/backpic/back-3.webp') center/cover;color:#fff;padding:62px 0 58px}
    .crumbs{font-size:13px;color:#c7c2ce;margin-bottom:21px}
    .crumbs a{color:#9ce0d6}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:#79d5c9;font-weight:800}
    .page-hero h1{font-size:clamp(32px,5vw,55px);line-height:1.22;letter-spacing:-.035em;margin:14px 0 17px;max-width:760px}
    .page-hero p{max-width:710px;color:#e7e3eb;font-size:17px;line-height:1.9;margin:0}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .tag{display:inline-flex;align-items:center;padding:5px 11px;border-radius:7px;background:rgba(223,244,238,.13);border:1px solid rgba(141,224,211,.35);font-size:12px;color:#d9faf2}
    .section{padding:76px 0}
    .section.alt{background:#fbfaf6}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px}
    .section-head h2{font-size:clamp(25px,3vw,38px);line-height:1.3;margin:8px 0 0;color:var(--deep);letter-spacing:-.025em}
    .section-head p{max-width:600px;color:var(--muted);margin:0}
    .layout-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:start}
    .action-panel,.info-card,.form-panel,.notice-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .action-panel{padding:28px;position:sticky;top:145px}
    .panel-label{font-size:12px;color:var(--teal-dark);font-weight:800;letter-spacing:.1em}
    .action-panel h2{font-size:25px;line-height:1.35;color:var(--deep);margin:12px 0 13px}
    .action-panel p{color:var(--muted);margin-bottom:23px}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{display:flex;gap:13px;padding:14px 0;border-top:1px solid var(--line);color:#4f535d}
    .check-list li:before{content:"✓";width:23px;height:23px;flex:0 0 23px;border-radius:50%;background:var(--mint);color:var(--teal-dark);font-weight:800;text-align:center;line-height:23px;margin-top:2px}
    .step-strip{display:flex;gap:8px;margin-top:25px}
    .step-dot{flex:1;height:5px;border-radius:5px;background:#dce8e4}
    .step-dot.done{background:var(--teal)}
    .image-card{overflow:hidden;margin-top:27px;border-radius:12px}
    .image-card img{width:100%;height:170px;object-fit:cover}
    .image-caption{padding:12px 15px;background:#f8f5ef;font-size:12px;color:var(--muted)}
    .form-panel{padding:31px}
    .form-panel h2{font-size:27px;line-height:1.35;color:var(--deep);margin:0 0 8px}
    .form-panel>p{color:var(--muted);margin-bottom:25px}
    .form-label{font-weight:700;font-size:13px;color:var(--deep);margin-bottom:7px}
    .required{color:var(--danger);margin-left:3px}
    .form-control,.form-select{border:1px solid #ddd8ce;background:#fff;height:47px;border-radius:9px;color:var(--ink)}
    textarea.form-control{height:116px;resize:vertical}
    .form-control:hover,.form-select:hover{border-color:#b8c9c3}
    .form-control:focus,.form-select:focus{border-color:var(--teal);box-shadow:0 0 0 4px rgba(13,155,145,.12)}
    .form-control.is-invalid{border-color:var(--danger);background-image:none}
    .invalid-feedback{font-size:12px}
    .form-hint{font-size:12px;color:#888b91;margin-top:13px}
    .submit-row{display:flex;align-items:center;gap:17px;margin-top:22px}
    .submit-row .btn-main{min-width:138px;border:0}
    .success-message{display:none;color:var(--teal-dark);font-size:13px;font-weight:700}
    .info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .info-card{padding:23px;min-height:190px}
    .info-card .number{font-size:12px;color:var(--teal);font-weight:800}
    .info-card h3{font-size:19px;line-height:1.4;color:var(--deep);margin:12px 0 9px}
    .info-card p{color:var(--muted);font-size:14px;line-height:1.8;margin:0}
    .notice-card{padding:24px;border-left:4px solid var(--warm);background:#fffaf1}
    .notice-card h3{font-size:19px;color:var(--deep);margin:0 0 9px}
    .notice-card p{margin:0;color:#6b6259;font-size:14px}
    .faq-list{max-width:930px;margin:auto}
    .accordion-item{background:var(--paper);border:1px solid var(--line)!important;margin-bottom:10px;border-radius:12px!important;overflow:hidden}
    .accordion-button{background:var(--paper);color:var(--deep);font-weight:750;padding:19px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){background:#eef8f4;color:var(--teal-dark)}
    .accordion-button:after{background-size:14px}
    .accordion-body{padding:0 22px 21px;color:#626670;line-height:1.85;font-size:14px}
    .faq-no{display:inline-block;color:var(--teal);font-size:12px;margin-right:12px}
    .cta-section{background:var(--deep);padding:66px 0;color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-section h2{font-size:32px;line-height:1.35;margin:8px 0 11px}
    .cta-section p{color:#d7d2dc;max-width:650px;margin:0}
    footer{background:#201d2c;color:#c9c5cf;padding:44px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
    footer .brand{color:#fff;margin-bottom:14px}
    footer p{font-size:13px;color:#aaa6b2;line-height:1.8}
    footer h3{font-size:14px;color:#fff;margin:2px 0 16px}
    footer .footer-grid a:not(.brand){display:block;font-size:13px;color:#bdb8c5;margin:8px 0}
    footer .footer-grid a:not(.brand):hover{color:#79d5c9}
    .copyright{border-top:1px solid #3b3548;margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#918b9c;line-height:1.8}
    .copyright a{color:#c0bbc7}
    :focus-visible{outline:3px solid rgba(233,155,87,.75);outline-offset:3px}
    @media(max-width:991px){
      .topbar{height:auto;min-height:70px;gap:14px}
      .searchbox{width:210px}
      .layout-grid{grid-template-columns:1fr}
      .action-panel{position:static}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:767px){
      .topbar{flex-wrap:wrap;padding:13px 0}
      .brand{font-size:18px}
      .searchbox{order:3;width:100%;margin-left:0}
      .topbar>.btn-main{margin-left:auto}
      .channel{padding:0 15px}
      .page-hero{padding:46px 0 45px}
      .section{padding:54px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .info-grid{grid-template-columns:1fr}
      .cta-inner{display:block}
      .cta-inner .btn-main{margin-top:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:9px}
    }
    @media(max-width:520px){
      body{font-size:14px}
      .page-hero h1{font-size:34px}
      .page-hero p{font-size:15px}
      .form-panel,.action-panel{padding:22px}
      .submit-row{display:block}
      .submit-row .btn-main{width:100%}
      .success-message{display:block;margin-top:12px}
      .footer-grid{grid-template-columns:1fr}
    }