/* roulang page: index */
:root{
      --ink:#1b2423;
      --muted:#687371;
      --paper:#f4f5f0;
      --surface:#ffffff;
      --line:#d9dfd8;
      --accent:#d9683d;
      --accent-dark:#a84429;
      --mint:#dcebe2;
      --olive:#6e7e58;
      --night:#202d2b;
      --shadow:0 16px 38px rgba(31,47,42,.09);
      --radius:8px;
      --container:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7;font-size:15px}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(244,245,240,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-main{min-height:76px;display:flex;align-items:center;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:205px;font-size:19px;font-weight:800;letter-spacing:0}
    .brand-mark{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:14px}
    .brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1.1;margin-top:2px}
    .nav-search{flex:1;max-width:570px;position:relative}
    .nav-search input{width:100%;height:45px;border:1px solid #c8d1c9;border-radius:6px;background:#fff;padding:0 100px 0 43px;outline:none;color:var(--ink)}
    .nav-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,104,61,.13)}
    .search-icon{position:absolute;left:16px;top:11px;color:var(--muted);font-size:18px}
    .search-submit{position:absolute;right:5px;top:5px;height:35px;border:0;border-radius:4px;background:var(--night);color:#fff;padding:0 15px;transition:.2s}
    .search-submit:hover{background:var(--accent)}
    .nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;white-space:nowrap}
    .nav-links a{font-size:14px;color:#50605b;padding:26px 0 22px;border-bottom:2px solid transparent}
    .nav-links a:hover,.nav-links a.active{color:var(--accent-dark);border-color:var(--accent)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:5px;width:44px;height:44px}
    .hero{padding:72px 0 58px;border-bottom:1px solid var(--line);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .kicker,.section-label{font-size:12px;letter-spacing:1.5px;color:var(--accent-dark);font-weight:800;text-transform:uppercase}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(42px,5.5vw,78px);line-height:1.08;max-width:700px;margin:16px 0 25px;letter-spacing:0;font-weight:900}
    .hero-copy{font-size:18px;line-height:1.85;max-width:650px;color:#52605b}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:5px;border:1px solid transparent;transition:transform .2s,background .2s,border .2s}
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:var(--accent);color:#fff}
    .btn-primary:hover{background:var(--accent-dark)}
    .btn-secondary{border-color:#aebbb1;color:var(--ink);background:transparent}
    .btn-secondary:hover{border-color:var(--accent);color:var(--accent-dark)}
    .hero-meta{display:flex;gap:24px;flex-wrap:wrap;margin-top:35px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
    .hero-meta strong{display:block;color:var(--ink);font-size:18px;line-height:1.2}
    .index-visual{min-height:370px;background:var(--night);color:#eaf1eb;border-radius:var(--radius);padding:28px;position:relative;box-shadow:var(--shadow)}
    .index-visual::before{content:"";position:absolute;left:0;top:0;width:7px;height:100%;background:var(--accent)}
    .visual-top{display:flex;justify-content:space-between;border-bottom:1px solid #465553;padding-bottom:18px;margin-bottom:25px}
    .visual-title{font-size:20px;font-weight:800}.visual-code{color:#a9c2af;font-size:12px}
    .visual-row{display:flex;align-items:center;gap:16px;padding:17px 0;border-bottom:1px solid #3a4946}
    .visual-num{color:#e08a67;font-size:12px;width:25px}
    .visual-row b{font-size:17px;flex:1}.visual-tag{font-size:11px;color:#bfd0c2;border:1px solid #60756a;padding:3px 8px;border-radius:3px}
    .visual-note{position:absolute;bottom:26px;left:28px;color:#9fb1a7;font-size:12px}
    section{padding:84px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    h2{font-size:37px;line-height:1.2;margin:8px 0 0;font-weight:850}
    .section-intro{max-width:530px;color:var(--muted);margin:0}
    .metrics-band{background:var(--night);color:#eef2eb}
    .metrics-band .section-label{color:#e38a68}
    .metrics-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;border-top:1px solid #4d5d57;border-bottom:1px solid #4d5d57}
    .metric{padding:29px 25px 25px;border-right:1px solid #4d5d57}
    .metric:last-child{border:0}.metric strong{font-size:43px;line-height:1.1;display:block;color:#fff}.metric span{display:block;color:#e28b67;font-weight:700;margin:12px 0 4px}.metric p{font-size:13px;color:#b7c5bc;margin:0}
    .matrix-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:50px}
    .matrix-feature{background:var(--mint);padding:32px;border-radius:var(--radius);min-height:285px;border-left:5px solid var(--olive)}
    .matrix-feature h3{font-size:28px;margin:15px 0 12px}.matrix-feature p{color:#52635a;max-width:530px}
    .tag{display:inline-block;border:1px solid #a7b9aa;color:#506d5a;border-radius:3px;padding:3px 8px;font-size:11px;margin:3px 5px 0 0}
    .matrix-list{border-top:1px solid var(--line)}
    .matrix-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}
    .matrix-item:hover .matrix-arrow{color:var(--accent);transform:translateX(4px)}
    .matrix-index{font-size:12px;color:var(--accent-dark);font-weight:800}.matrix-item h3{font-size:18px;margin:0 0 4px}.matrix-item p{font-size:13px;color:var(--muted);margin:0}.matrix-arrow{font-size:20px;transition:.2s}
    .comparison{background:#e9ede7}
    .compare-grid{display:grid;grid-template-columns:1fr 80px 1fr;align-items:stretch}
    .compare-side{background:#fff;padding:31px;border:1px solid var(--line)}
    .compare-side.highlight{border-color:var(--accent);background:#fffaf7}.compare-side h3{font-size:23px;margin:0 0 17px}.compare-side ul{padding:0;margin:0;list-style:none}.compare-side li{padding:12px 0;border-top:1px solid var(--line);color:var(--muted)}.compare-side li::before{content:"—";color:var(--accent);margin-right:9px}.compare-mid{display:grid;place-items:center;color:var(--accent-dark);font-weight:900;font-size:20px}
    .update-strip{padding:44px 0;border-bottom:1px solid var(--line)}
    .update-grid{display:grid;grid-template-columns:1fr 1fr;gap:45px}
    .update-list{border-top:2px solid var(--ink)}.update-list a{display:grid;grid-template-columns:90px 1fr auto;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center}.update-list a:hover{color:var(--accent-dark)}.update-date{font-size:12px;color:var(--muted)}.update-arrow{color:var(--accent);font-size:18px}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:80px}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;padding:21px 36px 21px 0;font-weight:750;position:relative}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:4px;color:var(--accent);font-size:22px;font-weight:400}details[open] summary::after{content:"−"}details p{color:var(--muted);font-size:14px;margin:0 0 21px;padding-right:30px}
    .cta-section{background:var(--accent);color:#fff}.cta-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}.cta-section .section-label{color:#ffe0d4}.cta-section h2{font-size:42px}.cta-section .section-intro{color:#ffe8de}.form-box{background:#fff;color:var(--ink);padding:30px;border-radius:var(--radius);box-shadow:var(--shadow)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:4px;padding:11px 13px;outline:none;background:#fbfcfa}.field textarea{min-height:100px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,104,61,.14)}.form-note{font-size:12px;color:var(--muted);margin:14px 0}.form-status{display:none;color:#4d7658;font-size:13px;margin-top:12px}.form-status.show{display:block}.form-box .btn{width:100%}
    footer{background:#192421;color:#d8e0da;padding:52px 0 24px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid #40504a}.footer-brand{font-size:20px;font-weight:800}.footer-grid h3{font-size:13px;color:#f1a082;margin:0 0 13px}.footer-grid a{display:block;font-size:13px;color:#aebdb4;margin:7px 0}.footer-grid a:hover{color:#f1a082}.footer-desc{color:#9cad9f;font-size:13px;max-width:270px;margin-top:12px}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#8ea097;font-size:12px}
    .loading{opacity:.6}.empty{padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line)}.error{color:#a84429;font-size:12px}.disabled{opacity:.45;pointer-events:none}
    @media(max-width:992px){.nav-main{gap:16px}.brand{min-width:190px}.nav-links{gap:12px}.hero-grid,.matrix-layout,.cta-layout{grid-template-columns:1fr;gap:36px}.hero{padding-top:52px}.metrics-grid{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid #4d5d57}.faq-layout{gap:35px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.nav-main{min-height:66px;flex-wrap:wrap;padding:10px 0}.brand{flex:1}.menu-toggle{display:block}.nav-links{display:none;width:100%;order:3;padding:5px 0 12px;overflow-x:auto}.nav-links.open{display:flex}.nav-links a{padding:9px 4px}.nav-search{order:4;flex-basis:100%;max-width:none}.hero{padding:40px 0 42px}.hero-grid{gap:30px}h1{font-size:46px}.hero-copy{font-size:16px}.index-visual{min-height:320px}.section-head{display:block}.section-head .section-intro{margin-top:14px}section{padding:62px 0}.metrics-grid{grid-template-columns:1fr 1fr}.metric{padding:22px 16px}.metric strong{font-size:34px}.compare-grid{grid-template-columns:1fr;gap:12px}.compare-mid{height:28px}.update-grid,.faq-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
    @media(max-width:520px){.metrics-grid{display:block}.metric,.metric:nth-child(2){border-right:0;border-bottom:1px solid #4d5d57}.metric:last-child{border-bottom:0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.hero-actions .btn{width:100%}.hero-meta{gap:16px}.visual-row{gap:9px}.visual-row b{font-size:15px}.update-list a{grid-template-columns:65px 1fr auto;font-size:13px}.footer-grid{grid-template-columns:1fr}.footer-grid h3{margin-top:15px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
  --ink:#1b2423;
  --muted:#687371;
  --paper:#f4f5f0;
  --surface:#ffffff;
  --line:#d9dfd8;
  --accent:#d9683d;
  --accent-dark:#a84429;
  --mint:#dcebe2;
  --olive:#6e7e58;
  --night:#202d2b;
  --soft:#edf0e9;
  --warn:#fff0e8;
  --shadow:0 16px 38px rgba(31,47,42,.09);
  --radius:8px;
  --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{line-height:1.28}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(244,245,240,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-main{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:205px;font-size:19px;font-weight:800;white-space:nowrap}
.brand-mark{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:14px;line-height:1}
.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1.1;margin-top:2px}
.nav-search{flex:1;max-width:570px;position:relative}
.nav-search input{width:100%;height:45px;border:1px solid #c8d1c9;border-radius:6px;background:#fff;padding:0 100px 0 43px;outline:none;color:var(--ink);transition:.2s}
.nav-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,104,61,.13)}
.search-icon{position:absolute;left:16px;top:10px;color:var(--muted);font-size:19px;line-height:1}
.search-submit{position:absolute;right:5px;top:5px;height:35px;border:0;border-radius:4px;background:var(--night);color:#fff;padding:0 15px;transition:.2s}
.search-submit:hover,.search-submit:focus{background:var(--accent)}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;white-space:nowrap}
.nav-links a{font-size:14px;color:#50605b;padding:26px 0 22px;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent-dark);border-color:var(--accent)}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:5px;width:44px;height:44px;color:var(--ink);font-size:20px}
.page-banner{border-bottom:1px solid var(--line);padding:48px 0 42px;background:var(--surface)}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center;margin-bottom:19px}
.breadcrumb span:last-child{color:var(--accent-dark)}
.banner-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:end}
.kicker,.section-label{font-size:12px;letter-spacing:1.5px;color:var(--accent-dark);font-weight:800}
.page-banner h1{font-size:50px;margin:9px 0 14px}
.page-banner p{font-size:17px;line-height:1.85;color:#52605b;max-width:720px;margin-bottom:0}
.banner-note{border-left:3px solid var(--accent);padding:5px 0 5px 18px;color:var(--muted);font-size:14px}
.banner-note strong{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
.section-head h2{font-size:34px;margin:8px 0 0}
.section-intro{max-width:520px;color:var(--muted);margin:0}
.filter-strip{background:var(--night);padding:22px 0;border-bottom:1px solid #31403c}
.filter-layout{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.filter-tags{display:flex;gap:9px;flex-wrap:wrap}
.filter-tag{border:1px solid #53645f;color:#dfe7e0;border-radius:3px;background:transparent;padding:7px 11px;font-size:13px;transition:.2s}
.filter-tag:hover,.filter-tag.active{background:var(--mint);color:var(--night);border-color:var(--mint)}
.sort-select{height:37px;border:1px solid #60716c;border-radius:4px;background:#273532;color:#fff;padding:0 30px 0 11px;outline:none}
.sort-select:focus{border-color:#f4ac8e;box-shadow:0 0 0 3px rgba(244,172,142,.16)}
.content-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:58px;align-items:start}
.index-side{position:sticky;top:106px;border-top:2px solid var(--ink)}
.index-side h2{font-size:16px;margin:18px 0 12px}
.index-side p{font-size:13px;color:var(--muted);margin-bottom:18px}
.index-link{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:#4c5b56;transition:.2s}
.index-link span{font-size:11px;color:var(--accent-dark);font-weight:700}
.index-link:hover,.index-link.active{color:var(--accent-dark);padding-left:5px}
.result-meta{display:flex;justify-content:space-between;gap:15px;align-items:center;padding-bottom:15px;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.result-meta strong{color:var(--ink)}
.feature-result{display:grid;grid-template-columns:minmax(220px,.85fr) 1.15fr;gap:30px;padding:29px 0;border-bottom:1px solid var(--line)}
.result-image{position:relative;min-height:255px;background:#d8e2d9;border-radius:var(--radius);overflow:hidden}
.result-image::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.34) 0 1px,transparent 1px 48px)}
.result-image::after{content:"主题检索";position:absolute;left:22px;bottom:18px;color:var(--night);font-size:28px;font-weight:800}
.result-number{position:absolute;right:16px;top:13px;background:var(--accent);color:#fff;padding:4px 8px;border-radius:3px;font-size:12px;font-weight:700}
.result-body{display:flex;flex-direction:column;align-items:flex-start}
.badge{display:inline-flex;border:1px solid #a7b9aa;color:#506d5a;background:#f7faf7;border-radius:3px;padding:3px 8px;font-size:11px;line-height:1.4}
.result-body h2{font-size:28px;margin:13px 0 10px}
.result-body p{color:var(--muted);margin-bottom:16px;max-width:680px}
.tag-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:20px}
.tag{display:inline-block;border:1px solid #c5d1c6;color:#57705f;border-radius:3px;padding:3px 8px;font-size:11px;background:#fff}
.result-footer{display:flex;align-items:center;justify-content:space-between;gap:18px;width:100%;margin-top:auto;padding-top:15px;border-top:1px solid var(--line)}
.result-time{font-size:12px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;padding:0 17px;border-radius:5px;border:1px solid transparent;transition:transform .2s,background .2s,border .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn:focus,.filter-tag:focus,.index-link:focus{outline:3px solid rgba(217,104,61,.25);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-secondary{border-color:#aebbb1;color:var(--ink);background:transparent}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent-dark)}
.compact-list{border-top:1px solid var(--line)}
.compact-item{display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:.2s}
.compact-item:hover{padding-left:8px;background:rgba(255,255,255,.46)}
.compact-number{color:var(--accent-dark);font-weight:800;font-size:13px}
.compact-item h3{font-size:18px;margin:0 0 3px}
.compact-item p{font-size:13px;margin:0;color:var(--muted)}
.compact-arrow{font-size:22px;color:var(--accent);transition:.2s}
.compact-item:hover .compact-arrow{transform:translateX(4px)}
.pager{display:flex;align-items:center;gap:8px;margin-top:34px}
.pager button{width:39px;height:39px;border:1px solid var(--line);background:var(--surface);border-radius:4px;color:var(--ink);transition:.2s}
.pager button:hover,.pager button.active{background:var(--night);color:#fff;border-color:var(--night)}
.pager button:disabled{opacity:.45;cursor:not-allowed}
.notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:54px}
.state-box{border:1px dashed #b9c4ba;border-radius:var(--radius);padding:22px;background:#fbfcfa}
.state-box h3{font-size:17px;margin:0 0 7px}
.state-box p{font-size:13px;color:var(--muted);margin:0 0 13px}
.state-box.error{border-color:#d69a82;background:var(--warn)}
.loading-line{width:100%;height:7px;background:#e1e6e0;overflow:hidden;border-radius:2px}
.loading-line i{display:block;width:42%;height:100%;background:var(--olive);animation:loading 1.4s ease-in-out infinite}
.cta-section{padding:76px 0;background:var(--accent);color:#fff}
.cta-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.cta-section .section-label{color:#ffe0d4}
.cta-section h2{font-size:38px;margin:9px 0 13px}
.cta-section p{color:#ffe8de;margin:0;max-width:500px}
.cta-search{display:flex;background:#fff;padding:6px;border-radius:6px;box-shadow:var(--shadow)}
.cta-search input{flex:1;min-width:0;border:0;outline:0;padding:0 12px;color:var(--ink);background:transparent}
.cta-search button{border:0;background:var(--night);color:#fff;border-radius:4px;height:40px;padding:0 17px;transition:.2s}
.cta-search button:hover{background:var(--accent-dark)}
footer{background:#192421;color:#d8e0da;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid #40504a}
.footer-brand{font-size:20px;font-weight:800}
.footer-desc{color:#aebbb2;max-width:290px;font-size:13px;line-height:1.8}
.footer-grid h3{font-size:13px;color:#fff;margin:4px 0 14px}
.footer-grid a{display:block;color:#b7c4bb;font-size:13px;margin:8px 0;transition:.2s}
.footer-grid a:hover{color:#f19b77;padding-left:4px}
.copyright{display:flex;justify-content:space-between;gap:18px;padding-top:19px;color:#91a198;font-size:12px}
@keyframes loading{0%,100%{transform:translateX(-20%)}50%{transform:translateX(145%)}}
@media (max-width:992px){
  .nav-main{gap:18px}
  .brand{min-width:auto}
  .nav-links{gap:13px}
  .banner-grid,.cta-layout{grid-template-columns:1fr;gap:26px}
  .content-layout{grid-template-columns:190px minmax(0,1fr);gap:34px}
  .page-banner h1{font-size:42px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2}
}
@media (max-width:768px){
  .container{width:min(var(--container),calc(100% - 32px))}
  .site-header{position:relative}
  .nav-main{min-height:66px;display:grid;grid-template-columns:1fr auto;gap:9px;padding:9px 0}
  .nav-search{grid-row:2;grid-column:1/-1;max-width:none}
  .nav-links{display:none}
  .menu-toggle{display:block}
  .nav-links.open{display:flex;grid-row:3;grid-column:1/-1;width:100%;gap:17px;overflow-x:auto;margin:0}
  .nav-links.open a{padding:8px 0}
  .page-banner{padding:36px 0}
  .page-banner h1{font-size:34px}
  .page-banner p{font-size:16px}
  .filter-layout{grid-template-columns:1fr;gap:14px}
  .sort-select{width:100%}
  section{padding:58px 0}
  .content-layout{grid-template-columns:1fr;gap:30px}
  .index-side{position:static;display:grid;grid-template-columns:1fr 1fr;column-gap:20px}
  .index-side h2,.index-side p{grid-column:1/-1}
  .feature-result{grid-template-columns:1fr;gap:20px}
  .result-image{min-height:180px}
  .section-head{display:block}
  .section-intro{margin-top:12px}
  .notice-grid{grid-template-columns:1fr;margin-top:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:520px){
  body{font-size:14px}
  .container{width:calc(100% - 28px)}
  .brand{font-size:17px}
  .brand small{display:none}
  .nav-search input{padding-right:88px}
  .search-submit{padding:0 11px}
  .page-banner h1{font-size:29px}
  .breadcrumb{font-size:12px}
  .result-body h2,.section-head h2{font-size:25px}
  .result-footer{align-items:flex-start;flex-direction:column}
  .compact-item{grid-template-columns:38px minmax(0,1fr) 20px;gap:10px}
  .compact-item h3{font-size:16px}
  .compact-item p{font-size:12px}
  .cta-section h2{font-size:29px}
  .cta-search{display:block}
  .cta-search input{display:block;width:100%;height:40px}
  .cta-search button{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div:last-child{grid-column:auto}
  .copyright{display:block}
  .copyright span{display:block;margin:5px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: category2 */
:root{
 --ink:#1b2423;
 --muted:#687371;
 --paper:#f4f5f0;
 --surface:#ffffff;
 --line:#d9dfd8;
 --accent:#d9683d;
 --accent-dark:#a84429;
 --mint:#dcebe2;
 --olive:#6e7e58;
 --night:#202d2b;
 --night-soft:#2d3a36;
 --warm:#f3e4d6;
 --shadow:0 16px 38px rgba(31,47,42,.09);
 --radius:8px;
 --container:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(217,104,61,.42);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(244,245,240,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav-main{min-height:76px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;min-width:205px;font-size:19px;font-weight:800;letter-spacing:0}
.brand-mark{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800}
.brand small{display:block;color:var(--muted);font-size:10px;font-weight:500;line-height:1.1;margin-top:2px}
.nav-search{flex:1;max-width:570px;position:relative}
.nav-search input{width:100%;height:45px;border:1px solid #c8d1c9;border-radius:6px;background:#fff;padding:0 100px 0 43px;outline:none;color:var(--ink);transition:border .2s,box-shadow .2s}
.nav-search input:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,104,61,.13)}
.search-icon{position:absolute;left:16px;top:10px;color:var(--muted);font-size:19px;line-height:1}
.search-submit{position:absolute;right:5px;top:5px;height:35px;border:0;border-radius:4px;background:var(--night);color:#fff;padding:0 15px;transition:.2s}
.search-submit:hover{background:var(--accent)}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;white-space:nowrap}
.nav-links a{font-size:14px;color:#50605b;padding:26px 0 22px;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--accent-dark);border-color:var(--accent)}
.menu-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:5px;width:44px;height:44px;color:var(--ink);font-size:21px}
.subnav{border-top:1px solid var(--line);background:#eef0eb}
.subnav-inner{min-height:42px;display:flex;align-items:center;gap:10px;overflow:auto;scrollbar-width:none}
.subnav-inner::-webkit-scrollbar{display:none}
.subnav a{font-size:12px;color:var(--muted);white-space:nowrap;padding:7px 10px;border-radius:4px;transition:.2s}
.subnav a:hover,.subnav a.active{color:var(--accent-dark);background:#fff}
.breadcrumb{padding:22px 0 0;color:var(--muted);font-size:13px}
.breadcrumb a:hover{color:var(--accent-dark)}
.breadcrumb span{padding:0 8px;color:#9aa39e}
.page-intro{padding:34px 0 56px;border-bottom:1px solid var(--line)}
.intro-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:end}
.kicker,.section-label{font-size:12px;letter-spacing:1.5px;color:var(--accent-dark);font-weight:800;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
h1{font-size:52px;line-height:1.15;margin:13px 0 20px;font-weight:800}
.intro-copy{max-width:680px;color:#53605c;font-size:17px;line-height:1.9}
.intro-side{border-left:1px solid var(--line);padding:8px 0 8px 32px}
.intro-side p{color:var(--muted);margin-bottom:18px}
.count-line{display:flex;gap:12px;align-items:baseline;border-top:1px solid var(--line);padding-top:17px}
.count-line strong{font-size:34px;line-height:1;color:var(--accent-dark)}
.count-line span{font-size:13px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:5px;border:1px solid transparent;transition:transform .2s,background .2s,border .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-secondary{border-color:#aebbb1;color:var(--ink);background:transparent}
.btn-secondary:hover{border-color:var(--accent);color:var(--accent-dark)}
section{padding:76px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:31px}
.section-head h2{font-size:33px;line-height:1.25;margin:8px 0 0}
.section-intro{max-width:520px;color:var(--muted);margin:0}
.filter-band{background:var(--night);color:#f4f7f2;padding:29px 0}
.filter-layout{display:grid;grid-template-columns:1fr auto;gap:35px;align-items:center}
.filter-title{font-size:18px;font-weight:800;margin:0 0 10px}
.filter-text{font-size:13px;color:#bdc9c0;margin:0}
.filter-group{display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.filter-chip{border:1px solid #52635c;color:#d8e1da;background:transparent;padding:7px 11px;border-radius:4px;font-size:12px;transition:.2s}
.filter-chip:hover,.filter-chip.active{border-color:#f0ae93;background:rgba(217,104,61,.2);color:#fff}
.featured-section{padding-bottom:34px}
.featured-track{display:flex;gap:18px;overflow-x:auto;padding:4px 2px 15px;scroll-snap-type:x proximity;scrollbar-color:#aeb8ae transparent}
.featured-card{flex:0 0 min(410px,85vw);min-height:282px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;scroll-snap-align:start;transition:transform .2s,border .2s,box-shadow .2s}
.featured-card:hover{transform:translateY(-4px);border-color:#c9856d;box-shadow:var(--shadow)}
.featured-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.index-no{font-weight:800;color:var(--accent-dark);font-size:13px}
.status{font-size:11px;border:1px solid #aec2b3;background:#edf5ee;color:#416451;border-radius:3px;padding:3px 8px}
.status.warm{color:#8d492f;background:#fbebe2;border-color:#edc5b4}
.featured-card h3{font-size:25px;line-height:1.3;margin:34px 0 12px}
.featured-card p{font-size:14px;color:var(--muted);margin-bottom:20px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;font-size:13px}
.link-arrow{color:var(--accent-dark);font-weight:800}
.browse-area{padding-top:45px}
.browse-layout{display:grid;grid-template-columns:250px 1fr;gap:52px;align-items:start}
.side-index{position:sticky;top:143px;border-top:2px solid var(--ink)}
.side-index h2{font-size:19px;margin:17px 0 8px}
.side-index p{color:var(--muted);font-size:13px;margin-bottom:17px}
.side-index a{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:11px 0;color:#52605b;font-size:14px;transition:.2s}
.side-index a:hover,.side-index a.active{color:var(--accent-dark);padding-left:5px}
.side-index a span:last-child{font-size:12px;color:#89938d}
.content-list{border-top:2px solid var(--ink)}
.content-row{display:grid;grid-template-columns:105px 1fr auto;gap:24px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start;transition:.2s}
.content-row:hover{padding-left:8px;background:rgba(255,255,255,.38)}
.row-number{font-size:29px;line-height:1;color:#9ca6a0;font-weight:800;padding-top:3px}
.row-main h3{font-size:22px;line-height:1.35;margin:0 0 8px}
.row-main p{font-size:14px;color:var(--muted);max-width:620px;margin:0 0 11px}
.row-tags{display:flex;flex-wrap:wrap;gap:6px}
.tag{display:inline-block;border:1px solid #a7b9aa;color:#506d5a;border-radius:3px;padding:2px 8px;font-size:11px}
.row-action{padding-top:10px;white-space:nowrap}
.row-action a{font-size:13px;font-weight:800;color:var(--accent-dark);border-bottom:1px solid transparent;transition:.2s}
.row-action a:hover{border-color:var(--accent)}
.guide-band{background:var(--mint)}
.guide-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:center}
.guide-title h2{font-size:38px;line-height:1.25;margin:10px 0 16px}
.guide-title p{color:#53605c;max-width:470px}
.step-list{counter-reset:steps;border-top:1px solid #a9bbb0}
.step{counter-increment:steps;display:grid;grid-template-columns:55px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid #a9bbb0}
.step:before{content:"0" counter(steps);font-size:16px;font-weight:800;color:var(--accent-dark)}
.step h3{margin:0 0 4px;font-size:17px}
.step p{margin:0;color:#52635a;font-size:14px}
.state-panel{padding-top:18px}
.state-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
.state-row:first-child{border-top:1px solid var(--line)}
.state-row span{font-size:13px;color:var(--muted)}
.pagination{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-top:30px;color:var(--muted);font-size:13px}
.page-buttons{display:flex;gap:8px}
.page-button{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:4px;background:#fff;color:var(--ink);transition:.2s}
.page-button:hover,.page-button.active{background:var(--accent);border-color:var(--accent);color:#fff}
.empty-state{display:none;padding:38px 24px;text-align:center;border:1px dashed #b8c2ba;background:#fbfcfa;border-radius:var(--radius);color:var(--muted)}
.cta-section{background:var(--accent);color:#fff}
.cta-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}
.cta-section .section-label{color:#ffe0d4}
.cta-section h2{font-size:39px;line-height:1.28;margin:10px 0 16px}
.cta-section .section-intro{color:#ffe8de}
.form-box{background:#fff;color:var(--ink);padding:30px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:block}
.field.full{grid-column:1/-1}
.field label{display:block;font-size:13px;font-weight:800;margin:0 0 6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:4px;padding:11px 13px;outline:none;background:#fbfcfa;transition:.2s}
.field textarea{min-height:92px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,104,61,.14)}
.field input[aria-invalid="true"]{border-color:#ba4d3d}
.field-error{display:none;font-size:12px;color:#a84429;margin-top:4px}
.field-error.show{display:block}
.form-note{font-size:12px;color:var(--muted);margin:14px 0}
.checkline{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);margin-bottom:14px}
.checkline input{margin-top:5px;accent-color:var(--accent)}
.form-status{display:none;color:#4d7658;font-size:13px;margin-top:12px}
.form-status.show{display:block}
.form-box .btn{width:100%}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
footer{background:#192421;color:#d8e0da;padding:52px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px;padding-bottom:40px;border-bottom:1px solid #40504a}
.footer-brand{font-size:20px;font-weight:800}
.footer-desc{color:#aebbb2;max-width:290px;font-size:13px;margin:10px 0 0}
.footer-grid h3{font-size:13px;color:#fff;margin:2px 0 13px}
.footer-grid a{display:block;color:#b9c5bd;font-size:13px;margin:7px 0;transition:.2s}
.footer-grid a:hover{color:#f1a080;padding-left:3px}
.copyright{display:flex;justify-content:space-between;gap:18px;padding-top:18px;color:#93a198;font-size:12px}
@media (max-width:992px){
 .nav-main{gap:18px}.brand{min-width:180px}.nav-links{gap:13px}
 .intro-grid,.guide-grid,.cta-layout{gap:40px}
 .browse-layout{grid-template-columns:200px 1fr;gap:32px}
 h1{font-size:44px}
}
@media (max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .nav-main{min-height:66px;flex-wrap:wrap;padding:10px 0;gap:10px}
 .brand{min-width:auto;flex:1;font-size:17px}.brand small{display:none}
 .menu-toggle{display:block}
 .nav-search{order:3;flex-basis:100%;max-width:none}
 .nav-links{display:none;order:4;flex-basis:100%;padding:0 0 9px;gap:17px;overflow:auto}
 .nav-links.open{display:flex}.nav-links a{padding:7px 0}
 .page-intro{padding:26px 0 44px}.intro-grid,.guide-grid,.cta-layout{grid-template-columns:1fr;gap:28px}
 .intro-side{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}
 h1{font-size:37px}.intro-copy{font-size:16px}
 section{padding:58px 0}.section-head{display:block;margin-bottom:25px}.section-head h2{font-size:29px}.section-intro{margin-top:11px}
 .filter-layout{grid-template-columns:1fr;gap:18px}
 .browse-layout{grid-template-columns:1fr;gap:30px}
 .side-index{position:static;display:grid;grid-template-columns:1fr 1fr;column-gap:18px}.side-index h2,.side-index p{grid-column:1/-1}
 .content-row{grid-template-columns:58px 1fr;gap:15px}.row-action{grid-column:2;padding-top:0}
 .row-number{font-size:22px}
 .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
 body{font-size:14px}.container{width:min(var(--container),calc(100% - 28px))}
 .nav-search input{padding-right:87px}.search-submit{padding:0 11px}
 h1{font-size:31px}.section-head h2,.guide-title h2,.cta-section h2{font-size:27px}
 .subnav-inner{margin:0 -14px;padding:0 14px}
 .filter-band{padding:24px 0}.featured-card{padding:20px;min-height:255px}.featured-card h3{font-size:22px;margin-top:25px}
 .side-index{display:block}.content-row{grid-template-columns:42px 1fr;gap:12px;padding:21px 0}.row-main h3{font-size:18px}
 .pagination{align-items:flex-start;flex-direction:column}.cta-section{padding:52px 0}.form-box{padding:20px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin:4px 0}
}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}