/* roulang page: index */
:root{
      --ink:#251f25; --plum:#4b2547; --plum-deep:#2c172b; --moss:#70735b;
      --apricot:#ca806a; --paper:#f3efe7; --surface:#fbf8f2; --line:rgba(44,31,38,.15);
      --muted:#766d70; --charcoal:#201f20; --radius:22px; --shadow:0 14px 32px rgba(56,39,43,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.75}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.22;background-image:radial-gradient(rgba(50,34,40,.12) .55px,transparent .7px);background-size:7px 7px;z-index:-1}
    a{color:inherit;text-decoration:none} button,input{font:inherit} button{cursor:pointer} img{max-width:100%}
    .container{width:min(1200px,calc(100% - 32px));margin:auto}
    .nav-panel{margin:18px auto 0;width:min(1200px,calc(100% - 32px));min-height:78px;border:1px solid var(--line);border-radius:24px;background:rgba(251,248,242,.92);box-shadow:var(--shadow);display:flex;align-items:center;gap:18px;padding:12px 14px;position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:34px;height:30px;border:2px solid var(--plum);border-radius:8px;position:relative;background:linear-gradient(90deg,transparent 43%,var(--plum) 44%,var(--plum) 56%,transparent 57%)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;width:3px;height:3px;background:var(--plum);border-radius:50%;top:5px;bottom:5px;margin:auto}
    .brand-mark:before{left:5px}.brand-mark:after{right:5px}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link{min-height:44px;padding:9px 13px;border-radius:12px;font-size:14px;color:#514851;border:1px solid transparent;transition:.2s ease}
    .nav-link:hover,.nav-link:focus-visible{border-color:rgba(75,37,71,.35);background:#f1e9eb;transform:translateY(-1px);outline:none}
    .nav-link.active{background:var(--plum);color:#fff;border-color:var(--plum)}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 17px;border-radius:12px;border:1px solid var(--plum);font-weight:700;font-size:14px;transition:.22s ease}
    .button:focus-visible,.faq-q:focus-visible,.filter-chip:focus-visible{outline:3px solid rgba(202,128,106,.5);outline-offset:3px}
    .button-primary{color:#fff;background:var(--plum)}.button-primary:hover{background:#39203a;transform:translateY(-2px);box-shadow:0 8px 17px rgba(75,37,71,.22)}
    .button-soft{background:transparent;color:var(--plum);border-color:rgba(255,255,255,.42)}.button-soft:hover{background:#fff;color:var(--plum)}
    .menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--plum)}
    .hero{margin-top:22px;min-height:570px;border-radius:30px;overflow:hidden;background:var(--charcoal);color:#fff;position:relative;padding:clamp(30px,6vw,76px);display:grid;grid-template-columns:1.25fr .75fr;align-items:end;gap:36px}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(122deg,rgba(75,37,71,.95),rgba(35,31,34,.76) 52%,rgba(112,115,91,.38)),repeating-linear-gradient(0deg,transparent 0,transparent 38px,rgba(255,255,255,.06) 39px,transparent 40px)}
    .hero-copy,.index-sheet{position:relative;z-index:1}.eyebrow{display:flex;align-items:center;gap:9px;font-size:13px;letter-spacing:.12em;color:#e3c9c0}.eyebrow:before{content:"";width:26px;border-top:1px solid var(--apricot)}
    h1,h2,h3,p{margin-top:0}h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.05em;max-width:720px;margin:20px 0}.hero p{max-width:680px;font-size:16px;line-height:1.9;color:#ece5e5}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-metrics{display:flex;flex-wrap:wrap;gap:19px;margin-top:38px;padding-top:16px;border-top:1px solid rgba(255,255,255,.2);font-size:13px;color:#d6ced1}.hero-metrics b{display:block;color:#fff;font-size:15px}
    .index-sheet{background:#f7f1e8;color:var(--ink);padding:22px;border-radius:18px;border:1px solid rgba(255,255,255,.32);box-shadow:0 18px 40px rgba(0,0,0,.2)}
    .sheet-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--moss);margin-right:7px}.sheet-list{margin-top:16px}.sheet-row{display:grid;grid-template-columns:26px 1fr auto;gap:8px;align-items:center;padding:11px 0;border-bottom:1px dashed rgba(44,31,38,.17);font-size:13px}.sheet-row:last-child{border:0}.sheet-no{color:var(--apricot);font-weight:800}.mini-tag,.tag{display:inline-flex;align-items:center;border-radius:999px;font-size:12px;line-height:1;padding:7px 10px;background:#eae4dc;color:#5c5355}.mini-tag{padding:5px 8px;background:#e5d9dc;color:var(--plum)}
    section{padding:92px 0}.section-head{display:grid;grid-template-columns:112px minmax(0,1fr);gap:18px;align-items:start;margin-bottom:34px}.section-num{font-size:15px;font-weight:800;color:var(--apricot);letter-spacing:.12em;padding-top:8px}.section-head h2{font-size:clamp(28px,3.2vw,40px);letter-spacing:-.04em;line-height:1.25;margin-bottom:10px}.section-head p{max-width:690px;color:var(--muted);font-size:15px;margin-bottom:0}
    .feature-layout{display:grid;grid-template-columns:330px 1fr;gap:28px}.feature-menu{display:grid;gap:9px}.feature-item{padding:17px;border:1px solid var(--line);border-radius:16px;background:rgba(251,248,242,.7);transition:.2s}.feature-item:hover{transform:translateX(4px);border-color:rgba(75,37,71,.42)}.feature-item.active{background:var(--plum);color:#fff;border-color:var(--plum)}.feature-item small{display:block;opacity:.72;font-size:12px}.feature-item strong{display:block;margin-top:4px}.feature-stage{border:1px solid var(--line);border-radius:22px;background:var(--surface);padding:26px;box-shadow:var(--shadow);min-height:355px}.control-line{display:flex;gap:9px;align-items:center;flex-wrap:wrap;padding-bottom:19px;border-bottom:1px solid var(--line)}.search-display{flex:1;min-width:190px;background:#eee9e0;border-radius:12px;padding:11px 14px;color:#817779;font-size:14px}.filter-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;color:#5d5357;font-size:13px;transition:.2s}.filter-chip:hover,.filter-chip.active{background:#e8dce2;border-color:var(--plum);color:var(--plum)}.track{margin-top:28px;height:80px;border-radius:13px;background:repeating-linear-gradient(90deg,#e9e2db 0,#e9e2db 14%,#f8f4ee 14.4%,#f8f4ee 17%);position:relative;overflow:hidden}.track:after{content:"字幕状态 · 中文 · 更新索引 · 分类标签";position:absolute;left:20px;top:26px;color:var(--plum);font-size:14px;letter-spacing:.12em;font-weight:800;background:#f7f1e8cc;padding:2px 8px}.preview-lines{margin-top:20px;display:grid;gap:10px}.preview-line{display:grid;grid-template-columns:1fr 90px;gap:16px;align-items:center;font-size:14px}.bar{height:8px;border-radius:999px;background:#e7ded9;overflow:hidden}.bar i{display:block;height:100%;background:var(--moss);border-radius:inherit}
    .scene-rail{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px}.scene{min-height:290px;padding:26px;border:1px solid var(--line);border-radius:20px;display:flex;flex-direction:column;justify-content:space-between;transition:.25s}.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.scene:nth-child(1){background:#e7e1d9}.scene:nth-child(2){background:#dfe1d4}.scene:nth-child(3){background:#eadce0}.scene h3{font-size:22px;line-height:1.35;margin:15px 0 9px}.scene p{font-size:14px;color:#625a5d}.ticket{font-size:12px;letter-spacing:.1em;color:var(--plum);font-weight:800}.scene-action{border-top:1px solid rgba(44,31,38,.18);padding-top:16px;font-size:13px;font-weight:700;color:var(--plum)}
    .path-layout{display:grid;grid-template-columns:250px 1fr;gap:30px}.path-nav{border-left:1px solid var(--line);padding-left:22px}.path-nav b{display:block;color:var(--plum);font-size:14px}.path-nav p{font-size:13px;color:var(--muted);margin-top:6px}.path-cards{display:grid;gap:18px}.path-card{display:grid;grid-template-columns:116px 1fr;gap:22px;padding:25px;border-radius:20px;background:var(--surface);border:1px solid var(--line);transition:.2s}.path-card:hover{border-color:rgba(75,37,71,.42);box-shadow:var(--shadow)}.path-code{font-size:36px;font-weight:900;color:#d5c4c8;line-height:1}.path-card h3{font-size:21px;margin-bottom:9px}.steps{display:flex;flex-wrap:wrap;gap:9px;margin:15px 0}.step{font-size:12px;border:1px solid var(--line);padding:6px 9px;border-radius:999px}.path-card p{font-size:14px;color:var(--muted);margin-bottom:8px}.text-link{font-weight:800;color:var(--plum);font-size:14px}.text-link:hover{color:var(--apricot)}
    .access-wrap{border-radius:28px;padding:clamp(26px,5vw,56px);background:#ded7cf;border:1px solid var(--line)}.plans{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px}.plan{border-radius:20px;padding:28px;border:1px solid var(--line);background:#f9f5ed}.plan.dark{background:var(--plum-deep);color:#fff;transform:translateY(-10px);border-color:#50324d}.plan h3{font-size:25px;margin-bottom:8px}.plan p{font-size:14px;color:var(--muted)}.plan.dark p{color:#ddd0d8}.plan ul{list-style:none;padding:0;margin:20px 0}.plan li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.plan.dark li{border-color:rgba(255,255,255,.18)}.plan li:before{content:"—";color:var(--apricot);padding-right:8px}
    .info-strip{margin-top:20px;padding:15px 18px;border-left:3px solid var(--moss);background:#f7f2ea;font-size:13px;color:#655d5f}
    .update-grid{display:grid;grid-template-columns:1fr .82fr;gap:22px}.update-list,.notice-card{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:24px}.update-row{display:grid;grid-template-columns:70px 1fr auto;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.update-row:last-child{border:none}.date{font-size:12px;color:var(--moss);font-weight:800}.notice-card{background:var(--charcoal);color:#fff}.notice-card p{color:#d2c9cd;font-size:14px}.notice-card .tag{background:#443b41;color:#f1e4e8;margin:3px}
    .faq-list{max-width:820px}.faq-item{border-top:1px solid var(--line)}.faq-q{width:100%;background:transparent;border:0;padding:20px 0;text-align:left;font-weight:800;font-size:16px;display:flex;justify-content:space-between;gap:15px;color:var(--ink)}.faq-q span{color:var(--plum);font-size:22px}.faq-a{display:none;padding:0 0 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
    .final-cta{padding:42px;border-radius:24px;background:linear-gradient(110deg,var(--plum),#673552);color:#fff;display:flex;justify-content:space-between;gap:28px;align-items:center}.final-cta h2{font-size:30px;line-height:1.35;margin-bottom:8px}.final-cta p{margin:0;color:#e8dce3;font-size:14px;max-width:610px}
    footer{margin-top:92px;background:var(--charcoal);color:#e9e2e2;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}.footer-grid h3{font-size:14px;color:#fff;margin-bottom:13px}.footer-grid p,.footer-grid a{font-size:13px;color:#bdb4b7}.footer-grid a{display:block;margin:8px 0}.footer-grid a:hover{color:#e4b8aa}.copyright{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;font-size:12px;color:#aaa1a5;display:flex;justify-content:space-between;gap:18px}
    @media(max-width:900px){.nav-panel{flex-wrap:wrap}.nav-links{order:3;width:100%;margin:0}.hero{grid-template-columns:1fr;min-height:auto}.index-sheet{max-width:580px}.feature-layout,.path-layout,.update-grid{grid-template-columns:1fr}.path-nav{display:flex;gap:18px;border-left:0;border-top:1px solid var(--line);padding:16px 0 0}.path-nav p{margin:0}.scene-rail{overflow:auto;grid-template-columns:280px 280px 280px;padding-bottom:9px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:640px){.nav-panel{min-height:68px}.brand{font-size:14px}.menu-toggle{display:block}.nav-links{display:none}.nav-panel.menu-open .nav-links{display:grid;grid-template-columns:1fr 1fr}.nav-link{background:#f2ece5;text-align:center}.nav-links .button{grid-column:1/-1}.hero{padding:32px 22px;border-radius:23px}.hero p{font-size:15px}.hero-metrics{gap:14px}.section-head{grid-template-columns:1fr;gap:4px}.section-num{padding-top:0}.feature-stage{padding:18px}.path-card{grid-template-columns:1fr;gap:10px}.plans{grid-template-columns:1fr}.plan.dark{transform:none}.final-cta{padding:28px;display:block}.final-cta .button{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin:7px 0}section{padding:58px 0}}

/* roulang page: category2 */
:root{
      --ink:#251f25;--plum:#4b2547;--plum-deep:#2c172b;--moss:#70735b;
      --apricot:#ca806a;--paper:#f3efe7;--surface:#fbf8f2;
      --line:rgba(44,31,38,.15);--muted:#766d70;--charcoal:#201f20;
      --radius:22px;--shadow:0 14px 32px rgba(56,39,43,.09)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;line-height:1.8}
    body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.2;background-image:radial-gradient(rgba(50,34,40,.12) .55px,transparent .7px);background-size:7px 7px;z-index:-1}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1200px,calc(100% - 32px));margin:auto}
    .nav-panel{margin:18px auto 0;width:min(1200px,calc(100% - 32px));min-height:78px;border:1px solid var(--line);border-radius:24px;background:rgba(251,248,242,.94);box-shadow:var(--shadow);display:flex;align-items:center;gap:18px;padding:12px 14px;position:relative;z-index:10}
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;letter-spacing:.02em}
    .brand-mark{width:34px;height:30px;border:2px solid var(--plum);border-radius:8px;position:relative;background:linear-gradient(90deg,transparent 43%,var(--plum) 44%,var(--plum) 56%,transparent 57%)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;width:3px;height:3px;background:var(--plum);border-radius:50%;top:5px;bottom:5px;margin:auto}
    .brand-mark:before{left:5px}.brand-mark:after{right:5px}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link{min-height:44px;padding:9px 13px;border-radius:12px;font-size:14px;color:#514851;border:1px solid transparent;transition:.2s ease}
    .nav-link:hover,.nav-link:focus-visible{border-color:rgba(75,37,71,.35);background:#f1e9eb;transform:translateY(-1px);outline:none}
    .nav-link.active{background:var(--plum);color:#fff;border-color:var(--plum)}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:46px;padding:10px 17px;border-radius:12px;border:1px solid var(--plum);font-weight:700;font-size:14px;transition:.22s ease}
    .button:focus-visible,.filter-chip:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(202,128,106,.5);outline-offset:3px}
    .button-primary{color:#fff;background:var(--plum)}
    .button-primary:hover{background:#39203a;transform:translateY(-2px);box-shadow:0 8px 17px rgba(75,37,71,.22)}
    .button-soft{background:transparent;color:var(--plum);border-color:rgba(75,37,71,.35)}
    .button-soft:hover{background:#eee4e5}
    .menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--plum)}
    .page-banner{margin-top:22px;border-radius:28px;background:var(--charcoal);color:#fff;padding:42px clamp(25px,6vw,72px);position:relative;overflow:hidden}
    .page-banner:before{content:"";position:absolute;inset:0;opacity:.55;background:repeating-linear-gradient(0deg,transparent 0,transparent 31px,rgba(255,255,255,.08) 32px),linear-gradient(115deg,rgba(75,37,71,.95),transparent 70%)}
    .page-banner>*{position:relative}
    .eyebrow{display:flex;gap:9px;align-items:center;color:#e3c9c0;font-size:13px;letter-spacing:.12em}
    .eyebrow:before{content:"";width:26px;border-top:1px solid var(--apricot)}
    h1{font-size:clamp(32px,5vw,52px);line-height:1.2;letter-spacing:-.05em;margin:16px 0}
    .banner-copy{max-width:700px;color:#e8e0df;font-size:16px}
    .banner-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px;color:#d4c9ca;font-size:13px}
    .meta-pill{border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:6px 11px}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-head h2{font-size:clamp(27px,3.2vw,38px);line-height:1.25;letter-spacing:-.04em;margin:0 0 7px}
    .section-head p{color:var(--muted);font-size:15px;margin:0;max-width:650px}
    .index-panel,.tips-card,.faq-item{border:1px solid var(--line);background:var(--surface);border-radius:20px;box-shadow:var(--shadow)}
    .index-panel{padding:22px}
    .search-row{display:flex;gap:10px;flex-wrap:wrap}
    .search-box{display:flex;align-items:center;gap:10px;flex:1;min-width:240px;background:#eee9e0;border:1px solid transparent;border-radius:12px;padding:10px 14px;color:var(--muted)}
    .search-box:focus-within{border-color:var(--plum);box-shadow:0 0 0 3px rgba(75,37,71,.1)}
    .search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
    .chip-row{display:flex;gap:9px;overflow:auto;padding:18px 0 5px}
    .filter-chip{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;color:#5d5357;font-size:13px;transition:.2s}
    .filter-chip:hover,.filter-chip.active{background:#e8dce2;border-color:var(--plum);color:var(--plum)}
    .index-status{border-top:1px dashed var(--line);margin-top:15px;padding-top:15px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
    .status-dot{color:var(--moss);font-weight:700}
    .editor-layout{display:grid;grid-template-columns:205px 1fr;gap:34px;align-items:start}
    .rail{position:sticky;top:24px;border-left:1px solid var(--line);padding-left:20px}
    .rail a{display:block;padding:12px 0;color:var(--muted);font-size:14px;border-bottom:1px solid rgba(44,31,38,.08);transition:.2s}
    .rail a:hover,.rail a.active{color:var(--plum);font-weight:800;padding-left:5px}
    .rail small{display:block;color:var(--apricot);font-weight:800;letter-spacing:.12em;margin-bottom:10px}
    .group{margin-bottom:30px}
    .group-title{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:7px}
    .group-title h3{font-size:21px;margin:0}
    .group-title span{font-size:12px;color:var(--muted)}
    .group-note{font-size:14px;color:var(--muted);margin:0 0 12px}
    .index-row{display:grid;grid-template-columns:38px 1fr auto 18px;gap:12px;align-items:center;padding:15px 8px;border-bottom:1px dashed var(--line);transition:.2s}
    .index-row:hover{background:#f0e9e5;border-radius:12px}
    .index-no{color:var(--apricot);font-weight:800;font-size:13px}
    .index-title{font-weight:700;font-size:15px}
    .index-sub{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .tag{display:inline-flex;border-radius:999px;padding:5px 9px;background:#e9e4d9;color:#5c5355;font-size:12px;line-height:1;white-space:nowrap}
    .tag.plum{background:#e8dce2;color:var(--plum)}.tag.moss{background:#e1e5d6;color:#596047}
    .arrow{color:var(--plum);font-size:20px}
    .quick-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .tips-card{padding:26px}
    .tips-card.dark{background:var(--plum-deep);color:#fff;border-color:transparent}
    .tips-card h3{margin:0 0 12px;font-size:21px}
    .tips-card p{font-size:14px;color:var(--muted);margin:0}
    .tips-card.dark p{color:#ddd0d5}
    .tip-list{display:grid;gap:12px;margin-top:19px}
    .tip-list div{display:flex;gap:12px;font-size:14px}
    .tip-list b{color:var(--apricot)}
    .faq-wrap{max-width:820px}
    .faq-item{margin-bottom:10px;box-shadow:none}
    .faq-q{width:100%;border:0;background:transparent;text-align:left;padding:18px 20px;display:flex;justify-content:space-between;gap:14px;font-weight:700;color:var(--ink)}
    .faq-q span:last-child{color:var(--plum);font-size:21px;line-height:1}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{border-radius:25px;background:#e6ddd8;padding:38px 42px;display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:28px;margin:0 0 8px}.cta p{color:var(--muted);margin:0;font-size:14px}
    footer{background:var(--charcoal);color:#ddd4d4;padding:58px 0 24px}
    footer .brand{color:#fff}
    footer .brand-mark{border-color:#d5a79c}
    footer .brand-mark:before,footer .brand-mark:after{background:#d5a79c}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:34px}
    footer h3{color:#fff;font-size:15px;margin:0 0 13px}
    footer p,footer a{font-size:13px;color:#bdb2b4}
    footer a{display:block;margin:7px 0;transition:.2s}footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#988e91}
    @media(max-width:900px){.nav-links{display:none}.menu-toggle{display:block}.nav-panel.menu-open .nav-links{display:grid;position:absolute;top:82px;left:0;right:0;background:var(--surface);padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.nav-panel.menu-open .nav-link,.nav-panel.menu-open .button{width:100%;text-align:center}.editor-layout{grid-template-columns:1fr}.rail{position:static;display:flex;gap:8px;overflow:auto;border:0;padding:0}.rail a{min-width:max-content;border:1px solid var(--line);border-radius:999px;padding:8px 13px;background:var(--surface)}.rail small{display:none}.quick-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:560px){.container{width:min(100% - 24px,1200px)}.nav-panel{width:calc(100% - 24px);margin-top:12px}.brand{font-size:14px}.page-banner{padding:32px 22px}.banner-copy{font-size:15px}section{padding:55px 0}.section-head{display:block}.section-head p{margin-top:10px}.index-panel{padding:15px}.search-row .button{width:100%}.index-row{grid-template-columns:28px 1fr 18px}.index-row .tag{grid-column:2}.cta{padding:28px 23px;display:block}.cta .button{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
      --ink:#251f25;
      --plum:#4b2547;
      --plum-deep:#2c172b;
      --moss:#70735b;
      --apricot:#ca806a;
      --paper:#f3efe7;
      --surface:#fbf8f2;
      --soft:#eee9e0;
      --line:rgba(44,31,38,.15);
      --muted:#766d70;
      --charcoal:#201f20;
      --radius:22px;
      --shadow:0 14px 32px rgba(56,39,43,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      line-height:1.8;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.2;
      z-index:-1;
      background-image:radial-gradient(rgba(50,34,40,.12) .55px,transparent .7px);
      background-size:7px 7px;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    input:focus,button:focus-visible,a:focus-visible{
      outline:3px solid rgba(202,128,106,.48);
      outline-offset:3px;
    }
    .container{width:min(1200px,calc(100% - 32px));margin:0 auto}
    .nav-panel{
      margin:18px auto 0;
      width:min(1200px,calc(100% - 32px));
      min-height:78px;
      padding:12px 14px;
      display:flex;
      align-items:center;
      gap:18px;
      position:relative;
      z-index:10;
      border:1px solid var(--line);
      border-radius:24px;
      background:rgba(251,248,242,.94);
      box-shadow:var(--shadow);
    }
    .brand{display:flex;align-items:center;gap:10px;min-width:max-content;font-weight:800;letter-spacing:.02em}
    .brand-mark{
      width:34px;height:30px;position:relative;
      border:2px solid var(--plum);border-radius:8px;
      background:linear-gradient(90deg,transparent 43%,var(--plum) 44%,var(--plum) 56%,transparent 57%);
    }
    .brand-mark:before,.brand-mark:after{
      content:"";position:absolute;width:3px;height:3px;top:5px;bottom:5px;margin:auto;
      background:var(--plum);border-radius:50%;
    }
    .brand-mark:before{left:5px}.brand-mark:after{right:5px}
    .nav-links{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link{
      min-height:44px;padding:9px 13px;border:1px solid transparent;border-radius:12px;
      color:#514851;font-size:14px;transition:.2s ease;
    }
    .nav-link:hover,.nav-link:focus-visible{background:#f1e9eb;border-color:rgba(75,37,71,.35);transform:translateY(-1px)}
    .nav-link.active{color:#fff;background:var(--plum);border-color:var(--plum)}
    .button{
      min-height:46px;padding:10px 17px;display:inline-flex;align-items:center;justify-content:center;
      gap:9px;border:1px solid var(--plum);border-radius:12px;font-size:14px;font-weight:700;transition:.22s ease;
    }
    .button-primary{color:#fff;background:var(--plum)}
    .button-primary:hover{background:#39203a;transform:translateY(-2px);box-shadow:0 8px 17px rgba(75,37,71,.22)}
    .button-outline{color:var(--plum);background:transparent}
    .button-outline:hover{background:#eee1e5;transform:translateY(-1px)}
    .menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--plum)}
    .page-hero{
      margin-top:22px;padding:56px clamp(24px,6vw,76px);
      color:#fff;border-radius:28px;overflow:hidden;position:relative;
      background:var(--charcoal);
    }
    .page-hero:before{
      content:"";position:absolute;inset:0;opacity:.9;
      background:linear-gradient(115deg,rgba(75,37,71,.97),rgba(44,23,43,.82) 57%,rgba(112,115,91,.48)),
      repeating-linear-gradient(0deg,transparent 0,transparent 38px,rgba(255,255,255,.055) 39px,transparent 40px);
    }
    .page-hero>*{position:relative;z-index:1}
    .eyebrow{display:flex;align-items:center;gap:9px;color:#e3c9c0;font-size:13px;letter-spacing:.12em}
    .eyebrow:before{content:"";width:26px;border-top:1px solid var(--apricot)}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:720px;margin:15px 0 14px;font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.045em}
    .hero-copy{max-width:720px;color:#ece5e5;font-size:16px;line-height:1.9}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:27px;color:#d6ced1;font-size:13px}
    .hero-meta span{padding-right:14px;border-right:1px solid rgba(255,255,255,.25)}
    .hero-meta span:last-child{border:0}
    .section{padding:78px 0}
    .section-head{display:grid;grid-template-columns:100px minmax(0,1fr);gap:18px;align-items:start;margin-bottom:30px}
    .section-num{padding-top:7px;color:var(--apricot);font-size:15px;font-weight:800;letter-spacing:.12em}
    .section-head h2{margin-bottom:9px;font-size:clamp(27px,3vw,38px);line-height:1.25;letter-spacing:-.04em}
    .section-head p{max-width:700px;margin-bottom:0;color:var(--muted);font-size:15px}
    .console{
      padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--shadow)
    }
    .search-row{display:flex;gap:10px;align-items:center}
    .search-box{
      min-height:48px;flex:1;display:flex;align-items:center;gap:10px;
      padding:0 15px;border:1px solid var(--line);border-radius:12px;background:var(--soft);color:var(--muted)
    }
    .search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px}
    .filter-chip{
      min-height:40px;padding:7px 13px;border:1px solid var(--line);border-radius:999px;
      background:#fff;color:#5d5357;font-size:13px;transition:.2s
    }
    .filter-chip:hover,.filter-chip.active{color:var(--plum);border-color:var(--plum);background:#e8dce2}
    .chip-row{display:flex;gap:8px;overflow-x:auto;padding:19px 0 5px;scrollbar-width:thin}
    .console-foot{display:flex;justify-content:space-between;gap:15px;padding-top:17px;border-top:1px dashed var(--line);color:var(--muted);font-size:13px}
    .console-foot strong{color:var(--plum)}
    .listing-layout{display:grid;grid-template-columns:210px 1fr;gap:25px}
    .filter-side{
      align-self:start;padding:20px;border:1px solid var(--line);border-radius:18px;background:rgba(251,248,242,.7)
    }
    .filter-side h3{margin-bottom:15px;font-size:17px}
    .filter-group{padding:15px 0;border-top:1px solid var(--line)}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-group b{display:block;margin-bottom:7px;font-size:13px}
    .filter-group a{display:block;padding:5px 0;color:var(--muted);font-size:13px}
    .filter-group a:hover,.filter-group a.selected{color:var(--plum);font-weight:700}
    .content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .content-card{
      overflow:hidden;border:1px solid var(--line);border-radius:17px;background:var(--surface);transition:.22s ease
    }
    .content-card:hover{transform:translateY(-3px);border-color:rgba(75,37,71,.42);box-shadow:var(--shadow)}
    .cover{
      height:165px;position:relative;display:flex;align-items:flex-end;padding:15px;
      overflow:hidden;background:#594052;
    }
    .cover:before{
      content:"";position:absolute;inset:0;
      background:linear-gradient(135deg,rgba(75,37,71,.2),rgba(202,128,106,.25)),
      repeating-linear-gradient(0deg,transparent 0 19px,rgba(255,255,255,.11) 20px,transparent 21px);
    }
    .cover.green{background:#666c59}.cover.warm{background:#85635d}.cover.dark{background:#39313a}
    .cover-code{position:relative;z-index:1;color:rgba(255,255,255,.76);font-size:12px;letter-spacing:.14em}
    .cover-time{position:absolute;right:15px;top:14px;z-index:1;color:#fff;font-size:11px;opacity:.8}
    .card-body{padding:17px}
    .card-title{margin:10px 0 7px;font-size:18px;line-height:1.4;font-weight:800}
    .card-desc{min-height:48px;margin-bottom:12px;color:var(--muted);font-size:13px;line-height:1.7}
    .tag{display:inline-flex;padding:6px 9px;border-radius:999px;background:#ebe4dc;color:#5c5355;font-size:11px;line-height:1}
    .tag.plum{color:var(--plum);background:#eadde3}.tag.moss{color:#596047;background:#e0e4d5}
    .card-meta{display:flex;justify-content:space-between;gap:8px;padding-top:12px;border-top:1px dashed var(--line);color:var(--muted);font-size:12px}
    .progress{height:3px;margin-top:14px;background:#e5ddd5}.progress i{display:block;height:100%;width:68%;background:var(--apricot)}
    .pagination{display:flex;gap:8px;margin-top:28px}
    .page-no{width:42px;height:42px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--muted)}
    .page-no:hover,.page-no.current{color:#fff;background:var(--plum);border-color:var(--plum)}
    .faq-list{display:grid;gap:10px;max-width:850px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--surface);overflow:hidden}
    .faq-q{width:100%;padding:18px 20px;display:flex;justify-content:space-between;gap:15px;border:0;background:transparent;text-align:left;color:var(--ink);font-weight:700}
    .faq-q span{color:var(--plum);font-size:20px;line-height:1}
    .faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{
      padding:38px 42px;border-radius:23px;color:#fff;background:var(--plum-deep);
      display:flex;align-items:center;justify-content:space-between;gap:25px
    }
    .cta h2{margin-bottom:8px;font-size:28px;line-height:1.3}.cta p{margin-bottom:0;color:#ddd1d8;font-size:14px}
    footer{padding:65px 0 22px;color:#d8d0d2;background:var(--charcoal)}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px}
    footer .brand{color:#fff}
    footer .brand-mark{border-color:#d5a79c;background:linear-gradient(90deg,transparent 43%,#d5a79c 44%,#d5a79c 56%,transparent 57%)}
    footer .brand-mark:before,footer .brand-mark:after{background:#d5a79c}
    footer p{max-width:290px;margin:17px 0 0;color:#aaa1a5;font-size:13px;line-height:1.8}
    footer h3{margin-bottom:13px;color:#fff;font-size:14px}
    footer a{display:block;margin:7px 0;color:#aaa1a5;font-size:13px}
    footer a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:15px;margin-top:45px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);color:#8f878a;font-size:12px}
    @media(max-width:900px){
      .nav-panel{flex-wrap:wrap}.nav-links{display:none;width:100%;margin-left:0;grid-template-columns:repeat(2,1fr);gap:8px}.nav-links.open{display:grid}.nav-links .button{grid-column:1/-1}.menu-toggle{display:block}
      .listing-layout{grid-template-columns:170px 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:680px){
      .container{width:min(100% - 24px,1200px)}.nav-panel{width:calc(100% - 24px);margin-top:12px}
      .page-hero{padding:38px 24px;border-radius:22px}.section{padding:58px 0}.section-head{display:block}.section-num{margin-bottom:8px}
      .search-row{flex-wrap:wrap}.search-box{flex-basis:100%}.listing-layout{display:block}.filter-side{display:none}.content-grid{grid-template-columns:1fr}
      .console{padding:16px}.console-foot{display:block}.console-foot span{display:block;margin-top:5px}
      .cta{display:block;padding:30px 25px}.cta .button{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-top:6px}
    }
    @media(max-width:430px){
      h1{font-size:35px}.footer-grid{grid-template-columns:1fr}.nav-links{grid-template-columns:1fr 1fr}
    }