/* roulang page: index */
:root{
      --ink:#171817;
      --ink-soft:#343734;
      --paper:#f5f2eb;
      --paper-deep:#ebe6dc;
      --white:#fffdf8;
      --line:#d8d1c4;
      --muted:#77766f;
      --rust:#a94f35;
      --rust-dark:#7e3525;
      --amber:#c48a42;
      --green:#4d755d;
      --shadow:0 18px 45px rgba(32,28,22,.09);
      --radius:8px;
      --max:1240px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border .2s ease,transform .2s ease}
    a:hover{color:var(--rust)}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(196,138,66,.45);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
    .eyebrow{display:flex;align-items:center;gap:12px;color:var(--rust);font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em;text-transform:uppercase}
    .eyebrow::before{content:"";width:28px;height:2px;background:var(--rust)}
    .section{padding:96px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:40px}
    .section-head h2{margin:12px 0 0;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:-.04em}
    .section-head p{max-width:480px;margin:0;color:var(--muted)}
    .topline{background:var(--ink);color:#e9e3d8;font-size:12px;line-height:1.4}
    .topline-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topline .notice{color:#c9d8c9}
    .topline a{color:#f3c187;text-decoration:underline;text-underline-offset:3px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,235,.96);border-bottom:1px solid transparent;transition:box-shadow .25s,border .25s}
    .site-header.scrolled{box-shadow:0 5px 22px rgba(25,23,20,.08);border-color:var(--line)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;line-height:1.15}
    .brand-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--rust);color:var(--white);font:700 13px ui-monospace,monospace;border-radius:3px}
    .brand-name{font-size:16px;letter-spacing:.02em}
    .main-nav{display:flex;align-items:center;gap:5px;flex:1}
    .main-nav a{padding:9px 13px;color:var(--ink-soft);font-size:14px;border-bottom:2px solid transparent}
    .main-nav a:hover,.main-nav a.active{color:var(--rust);border-color:var(--rust)}
    .nav-action{white-space:nowrap;border:1px solid var(--ink);padding:9px 15px;font-size:13px}
    .nav-action:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px 11px}
    .hero{position:relative;overflow:hidden;padding:108px 0 92px;background:var(--paper-deep);border-bottom:1px solid var(--line)}
    .hero::after{content:"";position:absolute;right:-9%;top:-28%;width:55%;height:140%;background:linear-gradient(135deg,transparent 0 35%,rgba(169,79,53,.09) 35% 68%,transparent 68%);transform:rotate(9deg)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .hero h1{max-width:760px;margin:22px 0 24px;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(42px,6.5vw,86px);line-height:1.06;letter-spacing:-.07em}
    .hero-intro{max-width:680px;color:var(--ink-soft);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border:1px solid var(--ink);border-radius:4px;font-weight:700;font-size:14px;transition:transform .2s,background .2s,color .2s}
    .button:hover{transform:translateY(-2px)}
    .button.primary{background:var(--rust);border-color:var(--rust);color:var(--white)}
    .button.primary:hover{background:var(--rust-dark);border-color:var(--rust-dark)}
    .button.secondary{background:transparent}
    .button.secondary:hover{background:var(--white)}
    .hero-note{display:flex;gap:12px;align-items:flex-start;margin-top:25px;color:var(--green);font-size:13px}
    .hero-note strong{font-size:18px;line-height:1}
    .hero-panel{position:relative;min-height:360px;padding:30px;background:var(--ink);color:var(--white);box-shadow:var(--shadow)}
    .hero-panel::before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.18);pointer-events:none}
    .panel-index{position:absolute;right:30px;top:28px;color:#d3a161;font:14px ui-monospace,monospace}
    .panel-title{position:absolute;left:30px;bottom:72px;max-width:260px;font-family:Georgia,"Songti SC",serif;font-size:31px;line-height:1.25}
    .panel-lines{position:absolute;left:30px;right:30px;bottom:30px;display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.25);padding-top:12px;color:#c9c4b9;font-size:12px}
    .index-grid{display:grid;grid-template-columns:1.35fr .85fr .85fr;gap:16px}
    .index-card{position:relative;min-height:270px;padding:27px;background:var(--white);border:1px solid var(--line);overflow:hidden}
    .index-card.featured{min-height:390px;background:var(--ink);color:var(--white)}
    .index-card::after{content:"";position:absolute;right:-35px;bottom:-50px;width:160px;height:160px;border:18px solid rgba(169,79,53,.18);border-radius:50%}
    .index-card .num{color:var(--rust);font:700 13px ui-monospace,monospace}
    .index-card h3{margin:38px 0 10px;font-family:Georgia,"Songti SC",serif;font-size:30px;line-height:1.2}
    .index-card p{margin:0;color:var(--muted);font-size:14px}
    .featured p{color:#c9c4b9}
    .index-link{position:absolute;bottom:25px;left:27px;color:var(--rust);font-size:13px;font-weight:700}
    .filter-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;padding:15px;background:var(--white);border:1px solid var(--line)}
    .filter-strip select,.filter-strip input{height:42px;margin:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:none}
    .filter-strip input{flex:1 1 220px}
    .filter-strip select{flex:0 1 160px}
    .filter-strip .button{min-height:42px}
    .path-section{background:var(--white)}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .path-item{padding:30px 28px 34px;border-right:1px solid var(--line)}
    .path-item:last-child{border-right:0}
    .path-item .step{color:var(--rust);font:700 14px ui-monospace,monospace}
    .path-item h3{margin:20px 0 8px;font-size:21px}
    .path-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .path-item a{display:inline-block;margin-top:18px;color:var(--rust);font-size:13px;font-weight:700}
    .records{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}
    .record-stat{font-family:Georgia,"Songti SC",serif;font-size:82px;line-height:1;color:var(--rust)}
    .record-caption{color:var(--muted);margin-top:12px}
    .record-list{border-top:1px solid var(--line)}
    .record-row{display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .record-row time{color:var(--muted);font:12px ui-monospace,monospace}
    .record-row strong{font-size:15px}
    .status{padding:4px 8px;background:#e3eee4;color:var(--green);font-size:11px}
    .usage{background:var(--ink);color:var(--white)}
    .usage .section-head p{color:#c9c4b9}
    .usage-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .usage-card{padding:28px;border:1px solid rgba(255,255,255,.2);min-height:155px}
    .usage-card:hover{background:#252825;border-color:#b36a50}
    .usage-card h3{margin:0 0 8px;font-size:20px}
    .usage-card p{margin:0;color:#c9c4b9;font-size:14px}
    .quote-section{padding:72px 0;background:#ded8cc}
    .quote{max-width:850px;margin:0 auto;text-align:center}
    .quote-mark{color:var(--rust);font:72px Georgia,serif;line-height:.6}
    .quote p{margin:20px 0;font-family:Georgia,"Songti SC",serif;font-size:28px;line-height:1.5}
    .quote small{color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-grid h2{font-family:Georgia,"Songti SC",serif;font-size:42px;line-height:1.2;margin:15px 0}
    .accordion{background:transparent}
    .accordion-title{border:0;border-bottom:1px solid var(--line);padding:20px 38px 20px 0;background:transparent;color:var(--ink);font-weight:700}
    .accordion-title:hover{background:transparent;color:var(--rust)}
    .accordion-content{border:0;border-bottom:1px solid var(--line);padding:0 38px 20px 0;background:transparent;color:var(--muted);font-size:14px}
    .cta{padding:76px 0;background:var(--rust);color:var(--white)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(30px,4vw,48px);line-height:1.2}
    .cta p{max-width:500px;margin:10px 0 0;color:#f2dcd1}
    .cta .button{border-color:var(--white);color:var(--white)}
    .cta .button:hover{background:var(--white);color:var(--rust)}
    footer{padding:55px 0 28px;background:#111312;color:#d8d3c8}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;padding-bottom:45px;border-bottom:1px solid #363936}
    footer h3{margin:0 0 18px;color:var(--white);font-size:15px}
    .footer-brand{font-size:18px;font-weight:800}
    footer p,footer li{margin:8px 0;color:#999c95;font-size:13px;line-height:1.8}
    footer ul{padding:0;margin:0;list-style:none}
    footer a:hover{color:#f0b17c}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:#777b74;font-size:12px}
    @media(max-width:1024px){
      .brand{min-width:225px}.nav-wrap{gap:14px}.main-nav a{padding-inline:7px}
      .hero-grid{gap:35px}.index-grid{grid-template-columns:1fr 1fr}.index-card.featured{grid-row:span 2}
    }
    @media(max-width:767px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .topline-inner{overflow-x:auto;white-space:nowrap;justify-content:flex-start;padding:9px 0}
      .site-header{position:relative}.nav-wrap{min-height:65px;justify-content:space-between}
      .brand{min-width:0}.brand-name{font-size:14px}.main-nav{display:none}.menu-toggle{display:block}
      .hero{padding:70px 0 60px}.hero-grid{grid-template-columns:1fr;gap:42px}.hero h1{font-size:48px}
      .hero-intro{font-size:16px}.hero-panel{min-height:285px}
      .section{padding:68px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .index-grid{grid-template-columns:1fr}.index-card.featured{min-height:300px;grid-row:auto}.index-card{min-height:245px}
      .filter-strip{display:grid;grid-template-columns:1fr}.filter-strip select,.filter-strip input{width:100%}
      .path-grid,.usage-grid,.faq-grid,.records{grid-template-columns:1fr}.path-item{border-right:0;border-bottom:1px solid var(--line)}
      .records{gap:35px}.record-stat{font-size:68px}.record-row{grid-template-columns:65px 1fr;gap:12px}.record-row .status{grid-column:2;justify-self:start}
      .quote p{font-size:23px}.cta-inner{display:block}.cta .button{margin-top:25px}.footer-grid{grid-template-columns:1fr;gap:28px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:420px){.hero h1{font-size:41px}.brand-mark{width:27px;height:27px}.hero-actions .button{width:100%}}

/* roulang page: category2 */
:root{
      --ink:#171817;--ink-soft:#343734;--paper:#f5f2eb;--paper-deep:#ebe6dc;
      --white:#fffdf8;--line:#d8d1c4;--muted:#77766f;--rust:#a94f35;
      --rust-dark:#7e3525;--amber:#c48a42;--green:#4d755d;
      --shadow:0 18px 45px rgba(32,28,22,.09);--radius:8px;--max:1240px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none;transition:color .2s,background .2s,border .2s,transform .2s}
    a:hover{color:var(--rust)}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(196,138,66,.45);outline-offset:3px}
    .container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
    .topline{background:var(--ink);color:#d8d1c4;font-size:12px;line-height:1.4}
    .topline-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .topline a{color:#f3c187;text-decoration:underline;text-underline-offset:3px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,235,.96);border-bottom:1px solid transparent;transition:box-shadow .25s,border .25s}
    .site-header.scrolled{box-shadow:0 5px 22px rgba(25,23,20,.08);border-color:var(--line)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;line-height:1.15}
    .brand-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--rust);color:var(--white);font:700 13px ui-monospace,monospace;border-radius:3px}
    .brand-name{font-size:16px;letter-spacing:.02em}
    .main-nav{display:flex;align-items:center;gap:5px;flex:1}
    .main-nav a{padding:9px 13px;color:var(--ink-soft);font-size:14px;border-bottom:2px solid transparent}
    .main-nav a:hover,.main-nav a.active{color:var(--rust);border-color:var(--rust)}
    .nav-action{white-space:nowrap;border:1px solid var(--ink);padding:9px 15px;font-size:13px}
    .nav-action:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px 11px}
    .hero{padding:86px 0 74px;background:var(--paper-deep);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:stretch}
    .eyebrow{display:flex;align-items:center;gap:12px;color:var(--rust);font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--rust)}
    .hero h1{max-width:760px;margin:22px 0 22px;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.06em}
    .hero-intro{max-width:670px;color:var(--ink-soft);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border:1px solid var(--ink);border-radius:4px;font-weight:700;font-size:14px;transition:transform .2s,background .2s,color .2s}
    .button:hover{transform:translateY(-2px)}
    .button.primary{background:var(--rust);border-color:var(--rust);color:var(--white)}
    .button.primary:hover{background:var(--rust-dark);border-color:var(--rust-dark);color:var(--white)}
    .button.secondary{background:transparent}
    .button.secondary:hover{background:var(--white)}
    .hero-note{display:flex;gap:12px;align-items:flex-start;margin-top:24px;color:var(--green);font-size:13px}
    .hero-note strong{font-size:18px;line-height:1}
    .cover-panel{position:relative;min-height:370px;padding:28px;background:var(--ink);color:var(--white);overflow:hidden;box-shadow:var(--shadow)}
    .cover-panel:before{content:"02 / INDEX";position:absolute;top:24px;right:26px;color:#d7a36b;font:12px ui-monospace,monospace;letter-spacing:.12em}
    .cover-panel:after{content:"";position:absolute;width:310px;height:430px;right:-55px;top:20px;border:1px solid rgba(255,255,255,.24);transform:rotate(17deg);box-shadow:0 0 0 18px rgba(196,138,66,.08),0 0 0 40px rgba(169,79,53,.08)}
    .cover-label{position:absolute;left:28px;bottom:90px;color:#d7a36b;font-size:13px}
    .cover-title{position:absolute;left:28px;bottom:38px;max-width:285px;font-family:Georgia,"Songti SC",serif;font-size:32px;line-height:1.25}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .section-head h2{margin:12px 0 0;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.04em}
    .section-head p{max-width:480px;margin:0;color:var(--muted)}
    .filter-strip{display:flex;align-items:end;gap:12px;padding:18px;background:var(--white);border:1px solid var(--line);box-shadow:0 8px 20px rgba(32,28,22,.04)}
    .filter-field{flex:1}
    .filter-field.small-field{flex:0 1 155px}
    .filter-field label{display:block;margin-bottom:4px;color:var(--muted);font-size:12px}
    .filter-strip input,.filter-strip select{height:42px;margin:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:none}
    .filter-strip input:focus,.filter-strip select:focus{border-color:var(--rust);box-shadow:0 0 0 2px rgba(169,79,53,.12)}
    .filter-strip .button{min-height:42px}
    .directory{display:grid;grid-template-columns:1.45fr .75fr;gap:42px;margin-top:34px}
    .entry-list{border-top:2px solid var(--ink)}
    .entry{display:grid;grid-template-columns:150px 1fr auto;gap:22px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .entry-visual{height:94px;background:var(--ink);position:relative;overflow:hidden}
    .entry-visual:before{content:"";position:absolute;inset:14px;border:1px solid rgba(255,255,255,.32);transform:rotate(-8deg)}
    .entry-visual:after{content:"";position:absolute;width:95px;height:95px;right:-20px;bottom:-35px;border:14px solid rgba(196,138,66,.45);border-radius:50%}
    .entry:nth-child(even) .entry-visual{background:#6c3c31}
    .entry:nth-child(3n) .entry-visual{background:#4d5c50}
    .entry-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .tag{display:inline-block;padding:3px 8px;background:#efe4d5;color:var(--rust-dark);font-size:11px;line-height:1.4;border-radius:3px}
    .entry h3{margin:7px 0 4px;font-size:20px;line-height:1.35}
    .entry p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .entry .button{padding:7px 12px;min-height:36px;font-size:12px;white-space:nowrap}
    .side-index{background:var(--ink);color:var(--white);padding:28px;align-self:start}
    .side-index h3{margin:0 0 20px;font-family:Georgia,"Songti SC",serif;font-size:25px}
    .side-index ul{list-style:none;margin:0;padding:0}
    .side-index li{border-top:1px solid rgba(255,255,255,.18);padding:15px 0}
    .side-index li:last-child{border-bottom:1px solid rgba(255,255,255,.18)}
    .side-index a{display:flex;justify-content:space-between;gap:12px;color:#eee9df;font-size:14px}
    .side-index a:hover{color:#f3c187}
    .side-index small{color:#aaa79e}
    .path-section{background:var(--white)}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .path-item{padding:30px 28px 34px;border-right:1px solid var(--line)}
    .path-item:last-child{border-right:0}
    .path-item .step{color:var(--rust);font:700 14px ui-monospace,monospace}
    .path-item h3{margin:20px 0 8px;font-size:21px}
    .path-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .path-item a{display:inline-block;margin-top:18px;color:var(--rust);font-size:13px;font-weight:700}
    .record-section{background:var(--ink);color:var(--white)}
    .record-section .eyebrow{color:#d7a36b}
    .record-section .eyebrow:before{background:#d7a36b}
    .record-section .section-head p{color:#c9c4b9}
    .record-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .big-number{font:700 clamp(70px,10vw,140px)/.9 Georgia,serif;color:#d7a36b}
    .number-caption{max-width:270px;color:#c9c4b9;font-size:14px}
    .record-list{border-top:1px solid rgba(255,255,255,.25)}
    .record-row{display:grid;grid-template-columns:80px 1fr auto;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid rgba(255,255,255,.18)}
    .record-row time{color:#aaa79e;font:12px ui-monospace,monospace}
    .record-row strong{font-size:15px}
    .status{color:#9bc2a4;font-size:12px}
    .access-box{display:grid;grid-template-columns:1fr .8fr;gap:30px;padding:32px;background:var(--paper-deep);border:1px solid var(--line)}
    .access-box h2{margin:0 0 12px;font-family:Georgia,"Songti SC",serif;font-size:30px;line-height:1.3}
    .access-box p{margin:0;color:var(--muted);font-size:14px}
    .access-points{border-left:1px solid var(--line);padding-left:26px}
    .access-points p{padding:8px 0;border-bottom:1px solid var(--line)}
    .faq-section{background:var(--white)}
    .accordion{background:transparent}
    .accordion-title{border:0;border-bottom:1px solid var(--line);color:var(--ink);font-weight:700;padding:20px 38px 20px 0}
    .accordion-title:hover{background:transparent;color:var(--rust)}
    .accordion-content{border:0;background:var(--paper);color:var(--muted);padding:20px 24px;font-size:14px}
    .accordion-item.is-active .accordion-title{color:var(--rust)}
    .cta{padding:70px 0;background:var(--rust);color:var(--white)}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{margin:0;font-family:Georgia,"Songti SC",serif;font-size:clamp(30px,4vw,48px);line-height:1.2}
    .cta p{margin:10px 0 0;color:#f1d8c5}
    .cta .button{border-color:var(--white);color:var(--white)}
    .cta .button:hover{background:var(--white);color:var(--rust)}
    footer{padding:62px 0 24px;background:#111311;color:#e7e2d8}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:48px}
    .footer-brand{font-weight:800;font-size:18px}
    footer p{max-width:360px;color:#aaa79e;font-size:13px}
    footer h3{margin:0 0 13px;font-size:14px;color:#f3c187}
    footer ul{list-style:none;margin:0;padding:0}
    footer li{margin:6px 0;color:#aaa79e;font-size:13px}
    footer a:hover{color:#f3c187}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);color:#85877f;font-size:12px}
    .notice{margin-top:18px;color:var(--green);font-size:13px}
    @media(max-width:1024px){
      .brand{min-width:220px}.hero-grid{gap:38px}.directory{gap:24px}
      .entry{grid-template-columns:125px 1fr auto}.record-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .topline-inner{overflow:hidden;white-space:nowrap;justify-content:flex-start}
      .topline-inner span:nth-child(2){display:none}
      .nav-wrap{min-height:68px;justify-content:space-between;gap:12px}
      .brand{min-width:0;flex:1}.brand-name{font-size:14px}.nav-action{display:none}
      .menu-toggle{display:block}
      .main-nav{display:none;position:absolute;left:16px;right:16px;top:68px;background:var(--white);border:1px solid var(--line);padding:8px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .main-nav.is-open{display:flex}.main-nav a{padding:11px 13px;border-bottom:0;border-left:3px solid transparent}.main-nav a.active{border-left-color:var(--rust)}
      .hero{padding:64px 0 56px}.hero-grid,.directory,.record-layout,.access-box{grid-template-columns:1fr}
      .hero h1{font-size:clamp(38px,12vw,62px)}
      .cover-panel{min-height:290px}.section{padding:64px 0}
      .section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}
      .filter-strip{display:block}.filter-field,.filter-field.small-field{margin-bottom:12px}.filter-strip .button{width:100%}
      .entry{grid-template-columns:92px 1fr;gap:14px}.entry .button{grid-column:2;justify-self:start}.entry-visual{height:74px}
      .side-index{margin-top:10px}.path-grid{grid-template-columns:1fr}.path-item{border-right:0;border-bottom:1px solid var(--line)}
      .path-item:last-child{border-bottom:0}.access-points{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}
      .cta-inner{display:block}.cta .button{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
    }
    @media(max-width:520px){
      .hero-intro{font-size:16px}.entry{grid-template-columns:1fr}.entry .button{grid-column:1}.entry-visual{height:110px}
      .cover-title{font-size:27px}.footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
      --ink:#171817;
      --ink-soft:#343734;
      --paper:#f5f2eb;
      --paper-deep:#ebe6dc;
      --white:#fffdf8;
      --line:#d8d1c4;
      --muted:#77766f;
      --rust:#a94f35;
      --rust-dark:#7e3525;
      --amber:#c48a42;
      --green:#4d755d;
      --shadow:0 18px 45px rgba(32,28,22,.09);
      --radius:8px;
      --max:1240px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",Arial,sans-serif;
      font-size:16px;
      line-height:1.8;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border .2s ease,transform .2s ease}
    a:hover{color:var(--rust)}
    img{display:block;max-width:100%}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{
      outline:3px solid rgba(196,138,66,.45);
      outline-offset:3px;
    }
    .container{width:min(calc(100% - 48px),var(--max));margin-inline:auto}
    .topline{background:var(--ink);color:#e8e2d7;font-size:12px;letter-spacing:.02em}
    .topline-inner{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .topline-center{color:#c9c4b9}
    .topline a{color:#f3c187;text-decoration:underline;text-underline-offset:3px}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(245,242,235,.97);
      border-bottom:1px solid transparent;transition:box-shadow .25s,border .25s
    }
    .site-header.scrolled{box-shadow:0 5px 22px rgba(25,23,20,.08);border-color:var(--line)}
    .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;min-width:270px;font-weight:800;line-height:1.15}
    .brand-mark{
      width:31px;height:31px;display:grid;place-items:center;background:var(--rust);
      color:var(--white);font:700 13px ui-monospace,monospace;border-radius:3px
    }
    .brand-name{font-size:16px;letter-spacing:.02em}
    .main-nav{display:flex;align-items:center;gap:5px;flex:1}
    .main-nav a{padding:9px 13px;color:var(--ink-soft);font-size:14px;border-bottom:2px solid transparent}
    .main-nav a:hover,.main-nav a.active{color:var(--rust);border-color:var(--rust)}
    .nav-action{white-space:nowrap;border:1px solid var(--ink);padding:9px 15px;font-size:13px}
    .nav-action:hover{background:var(--ink);color:var(--white)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);padding:8px 11px;color:var(--ink)}
    .hero{
      position:relative;overflow:hidden;padding:92px 0 78px;
      background:var(--paper-deep);border-bottom:1px solid var(--line)
    }
    .hero:after{
      content:"";position:absolute;right:-7%;top:-32%;width:48%;height:145%;
      background:linear-gradient(135deg,transparent 0 36%,rgba(169,79,53,.1) 36% 69%,transparent 69%);
      transform:rotate(10deg)
    }
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
    .eyebrow{
      display:flex;align-items:center;gap:12px;color:var(--rust);
      font:700 12px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em
    }
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--rust)}
    .hero h1{
      max-width:760px;margin:20px 0 22px;font-family:Georgia,"Songti SC","SimSun",serif;
      font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.065em
    }
    .hero-intro{max-width:650px;color:var(--ink-soft);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .button{
      display:inline-flex;align-items:center;justify-content:center;min-height:46px;
      padding:10px 20px;border:1px solid var(--ink);border-radius:4px;
      font-weight:700;font-size:14px;transition:transform .2s,background .2s,color .2s
    }
    .button:hover{transform:translateY(-2px)}
    .button.primary{background:var(--rust);border-color:var(--rust);color:var(--white)}
    .button.primary:hover{background:var(--rust-dark);border-color:var(--rust-dark);color:var(--white)}
    .button.secondary{background:transparent}
    .button.secondary:hover{background:var(--white)}
    .hero-note{display:flex;gap:12px;align-items:flex-start;margin-top:24px;color:var(--green);font-size:13px}
    .hero-note strong{font-size:18px;line-height:1}
    .coupon-panel{
      position:relative;min-height:370px;padding:34px;background:var(--ink);color:var(--white);
      box-shadow:var(--shadow);overflow:hidden
    }
    .coupon-panel:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.18)}
    .coupon-panel:after{
      content:"";position:absolute;width:240px;height:240px;right:-80px;top:-75px;
      border:28px solid rgba(196,138,66,.22);border-radius:50%
    }
    .coupon-top{position:relative;z-index:1;display:flex;justify-content:space-between;color:#d6d0c4;font:12px ui-monospace,monospace}
    .coupon-main{position:absolute;z-index:1;left:34px;right:34px;bottom:42px}
    .coupon-label{color:#e5aa65;font-size:13px;font-weight:700;letter-spacing:.12em}
    .coupon-main h2{max-width:360px;margin:12px 0;font-family:Georgia,"Songti SC",serif;font-size:34px;line-height:1.25}
    .coupon-main p{max-width:380px;margin:0;color:#c9c4b9;font-size:14px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:38px}
    .section-head h2{margin:12px 0 0;font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.04em}
    .section-head p{max-width:480px;margin:0;color:var(--muted)}
    .filter-strip{
      display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:var(--white);
      border:1px solid var(--line);box-shadow:0 8px 24px rgba(32,28,22,.04)
    }
    .filter-strip label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
    .filter-strip input,.filter-strip select{
      height:44px;margin:0;border:1px solid var(--line);background:var(--paper);
      color:var(--ink);box-shadow:none;padding:0 13px
    }
    .filter-strip input{flex:1 1 240px}
    .filter-strip select{flex:0 1 170px}
    .filter-strip .button{min-height:44px}
    .catalog-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);gap:26px;margin-top:26px}
    .entry-list{border-top:2px solid var(--ink)}
    .entry{
      display:grid;grid-template-columns:92px 1fr auto;gap:22px;align-items:center;
      padding:24px 0;border-bottom:1px solid var(--line)
    }
    .entry-index{color:var(--rust);font:700 17px ui-monospace,monospace}
    .entry h3{margin:0 0 5px;font-size:20px;line-height:1.35}
    .entry p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .entry-meta{margin-top:7px;color:var(--muted);font-size:12px}
    .entry .button{min-height:38px;padding:7px 13px;font-size:12px}
    .tag{display:inline-block;padding:3px 8px;background:#e7ddd0;color:var(--rust-dark);font-size:11px;line-height:1.4;margin-right:7px}
    .side-index{background:var(--ink);color:var(--white);padding:28px;align-self:start}
    .side-index h3{margin:0 0 22px;font-family:Georgia,"Songti SC",serif;font-size:26px}
    .side-index ol{margin:0;padding:0;list-style:none}
    .side-index li{display:flex;gap:13px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.16);font-size:14px}
    .side-index li span{color:#e5aa65;font:12px ui-monospace,monospace}
    .side-index p{margin:22px 0 0;color:#c9c4b9;font-size:13px}
    .path-section{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .path-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
    .path-item{padding:30px 28px 34px;border-right:1px solid var(--line)}
    .path-item:last-child{border-right:0}
    .step{color:var(--rust);font:700 14px ui-monospace,monospace}
    .path-item h3{margin:17px 0 8px;font-size:21px}
    .path-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
    .path-item a{display:inline-block;margin-top:16px;color:var(--rust);font-size:13px;font-weight:700}
    .record-list{border-top:1px solid var(--line)}
    .record-row{display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .record-row time{color:var(--muted);font:12px ui-monospace,monospace}
    .record-row strong{font-size:15px}
    .record-row small{color:var(--green);font-size:12px}
    .notice-section{background:var(--ink);color:var(--white)}
    .notice-section .section-head p{color:#c9c4b9}
    .notice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .notice-card{padding:27px;border:1px solid rgba(255,255,255,.18);min-height:170px}
    .notice-card:hover{background:#252825;border-color:rgba(196,138,66,.65)}
    .notice-card h3{margin:0 0 9px;font-size:20px}
    .notice-card p{margin:0;color:#c9c4b9;font-size:14px}
    .faq-wrap{max-width:880px;margin-inline:auto}
    .accordion{background:transparent;margin:0;border-top:1px solid var(--line)}
    .accordion-item{border-bottom:1px solid var(--line)}
    .accordion-title{padding:20px 44px 20px 0;border:0;background:transparent;color:var(--ink);font-weight:700;font-size:16px}
    .accordion-title:hover{background:transparent;color:var(--rust)}
    .accordion-content{padding:0 44px 22px 0;background:transparent;border:0;color:var(--muted);font-size:14px}
    .cta{
      padding:54px;background:var(--rust);color:var(--white);
      display:flex;justify-content:space-between;align-items:center;gap:30px
    }
    .cta h2{margin:0 0 7px;font-family:Georgia,"Songti SC",serif;font-size:34px;line-height:1.25}
    .cta p{margin:0;color:#f2d9ca;font-size:14px}
    .cta .button{border-color:var(--white);color:var(--white)}
    .cta .button:hover{background:var(--white);color:var(--rust)}
    footer{padding:60px 0 22px;background:#101110;color:#e6e0d5}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:60px}
    .footer-brand{font-weight:800;font-size:18px}
    footer p{max-width:360px;color:#aaa89f;font-size:13px}
    footer h3{margin:0 0 15px;color:#f3eee5;font-size:14px}
    footer ul{list-style:none;margin:0;padding:0}
    footer li{margin:7px 0;color:#aaa89f;font-size:13px}
    footer a:hover{color:#e5aa65}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);color:#8e8c84;font-size:12px}
    .empty-state{margin-top:18px;padding:18px;background:var(--paper-deep);border-left:3px solid var(--amber);color:var(--muted);font-size:13px}
    @media(max-width:900px){
      .brand{min-width:0}.nav-wrap{gap:18px}.main-nav{gap:0}
      .hero-grid{grid-template-columns:1fr;gap:38px}.hero{padding:70px 0}
      .catalog-layout{grid-template-columns:1fr}.side-index{order:-1}
      .path-grid{grid-template-columns:1fr}.path-item{border-right:0;border-bottom:1px solid var(--line)}
      .path-item:last-child{border-bottom:0}.footer-grid{gap:30px}
    }
    @media(max-width:680px){
      .container{width:min(calc(100% - 32px),var(--max))}
      .topline-inner{overflow-x:auto;white-space:nowrap;justify-content:flex-start;padding:6px 0}
      .topline-center{display:none}
      .nav-wrap{min-height:68px;justify-content:space-between}
      .brand-name{font-size:14px}.brand-mark{width:28px;height:28px}
      .menu-toggle{display:block}.main-nav{
        display:none;position:absolute;left:16px;right:16px;top:68px;padding:8px;
        flex-direction:column;align-items:stretch;background:var(--white);border:1px solid var(--line);box-shadow:var(--shadow)
      }
      .main-nav.open{display:flex}.main-nav a{padding:12px;border-bottom:1px solid var(--line)}
      .nav-action{display:none}.hero h1{font-size:42px}.hero-intro{font-size:16px}
      .coupon-panel{min-height:310px;padding:25px}.coupon-main{left:25px;right:25px;bottom:30px}
      .coupon-main h2{font-size:28px}.section{padding:66px 0}.section-head{display:block;margin-bottom:26px}
      .section-head p{margin-top:14px}.filter-strip{display:grid;grid-template-columns:1fr}
      .filter-strip input,.filter-strip select{width:100%}.entry{grid-template-columns:42px 1fr;gap:13px}
      .entry .button{grid-column:2;justify-self:start}.entry h3{font-size:17px}
      .notice-grid{grid-template-columns:1fr}.cta{display:block;padding:34px 26px}.cta .button{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:420px){
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}
      .hero h1{font-size:36px}.hero-actions .button{width:100%}
    }