/* roulang page: index */
:root{
      --ink:#141713;--surface:#f2f0e8;--panel:#e7e6de;--olive:#5d6b3e;
      --olive-deep:#384226;--signal:#c6672d;--line:rgba(20,23,19,.16);
      --muted:#687064;--paper:#faf9f4;--shadow:0 12px 32px rgba(20,23,19,.08);
      --radius:16px;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}
    body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}
    button,input,select,textarea{outline:none}img{max-width:100%;display:block}
    .container{width:min(1240px,calc(100% - 40px));margin:auto}
    .mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(242,240,232,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}
    .brand-mark{width:38px;height:38px;background:var(--ink);color:#f5f1e6;display:grid;place-items:center;border-radius:10px;font-weight:800;letter-spacing:-.08em}
    .brand-name{font-size:18px}.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{position:relative;padding:9px 14px;color:#4e574b;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--olive)}
    .nav-tools{display:flex;align-items:center;gap:10px}.locale{border:1px solid var(--line);border-radius:999px;padding:6px 11px;font-size:12px;color:var(--muted);background:var(--paper)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:700;font-size:14px;transition:.2s;cursor:pointer}
    .btn-primary{background:var(--olive);color:#fff}.btn-primary:hover{background:var(--olive-deep);transform:translateY(-1px)}
    .btn-primary:active{transform:translateY(0);background:#2d351f}.btn-light{background:var(--paper);border-color:var(--line);color:var(--ink)}
    .btn-light:hover{background:#dfe3d0;border-color:var(--olive)}.btn:focus-visible,.nav-links a:focus-visible,.locale:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(198,103,45,.42);outline-offset:3px}
    .menu-btn{display:none;border:1px solid var(--line);background:var(--paper);border-radius:9px;width:44px;height:44px;font-size:21px}
    .hero{background:var(--ink);color:#f5f1e6;padding:76px 0 88px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(242,240,232,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(242,240,232,.22) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
    .hero:after{content:"";position:absolute;left:0;right:0;top:34%;height:1px;background:rgba(242,240,232,.1);box-shadow:0 18px rgba(242,240,232,.06),0 -18px rgba(242,240,232,.06)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:54px;align-items:center}
    .eyebrow{font-size:12px;color:#b5c291;margin-bottom:18px}.hero h1{font-size:clamp(36px,5vw,62px);line-height:1.16;margin:0 0 22px;letter-spacing:-.04em}
    .hero-copy{color:#c5c9bd;max-width:650px;font-size:17px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero .btn-light{background:#f5f1e6;border-color:#f5f1e6}.hero .btn-light:hover{background:#dfe3d0}
    .dashboard{display:grid;grid-template-columns:1.25fr 1fr;gap:12px}
    .dash-card{background:#22271f;border:1px solid rgba(242,240,232,.2);border-radius:12px;padding:19px;min-height:116px;position:relative}
    .dash-card.large{grid-row:span 2;min-height:244px;background:#303a25}.dash-card.wide{grid-column:1/-1;min-height:92px}
    .dash-label{font-size:11px;color:#b8c09f}.dash-number{font-size:45px;line-height:1.1;margin:18px 0 7px;font-weight:800}.dash-note{font-size:12px;color:#adb5a4}
    .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--signal);margin-right:7px}.bar{height:5px;background:#485339;margin-top:18px}.bar i{display:block;height:100%;background:#9aa96c;width:72%}.spark{height:28px;margin-top:14px;background:linear-gradient(155deg,transparent 43%,#9aa96c 44%,#9aa96c 48%,transparent 49%),linear-gradient(25deg,transparent 52%,#c6672d 53%,#c6672d 56%,transparent 57%)}
    section{padding:92px 0}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:34px}.section-kicker{color:var(--signal);font-size:12px;margin-bottom:8px}.section-title{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:0;letter-spacing:-.03em}.section-desc{max-width:560px;color:var(--muted);margin:0}
    .matrix{display:grid;grid-template-columns:1.4fr .8fr .8fr;grid-template-rows:auto auto;gap:16px}.matrix-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:.2s;position:relative;overflow:hidden}.matrix-card:hover{border-color:var(--olive);box-shadow:var(--shadow);transform:translateY(-3px)}.matrix-card.main{grid-row:span 2;min-height:396px;background:var(--olive-deep);color:#f6f3e8}.matrix-card h3{font-size:21px;margin:22px 0 8px}.matrix-card p{color:var(--muted);font-size:14px;margin:0}.matrix-card.main p{color:#d0d6c2}.card-index{font-size:11px;color:var(--signal)}.arrow{position:absolute;right:22px;bottom:20px;color:var(--olive);font-size:20px}.main .arrow{color:#c4d08f}.tags{display:flex;gap:9px;overflow:auto;padding:18px 0 2px;white-space:nowrap}.tag{border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:var(--panel);font-size:13px;color:#56604f}.tag:hover{border-color:var(--olive);color:var(--olive-deep)}
    .compare{background:var(--panel)}.compare-grid{display:grid;grid-template-columns:1fr 42px 1fr;align-items:stretch;gap:0}.compare-box{border:1px solid var(--line);padding:28px;background:#deded6;border-radius:14px 0 0 14px}.compare-box.good{background:var(--paper);border-color:var(--olive);border-radius:0 14px 14px 0}.compare-mid{display:grid;place-items:center;font-weight:800;color:var(--signal);font-size:12px}.compare-box h3{margin:0 0 18px;font-size:20px}.check-list{padding:0;margin:0;list-style:none}.check-list li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:#596257}.check-list li:last-child{border:0}.check-list li:before{content:"■";font-size:8px;color:var(--olive);margin-right:10px;vertical-align:2px}.path{display:grid;grid-template-columns:repeat(4,1fr);margin-top:25px;border-top:1px solid var(--line);padding-top:24px;gap:14px}.path-item{font-size:13px;color:var(--muted)}.path-item b{display:block;color:var(--signal);font-size:12px;margin-bottom:5px}
    .topics{background:#eae9e1}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.topic{background:var(--paper);border:1px solid var(--line);padding:22px;border-radius:12px}.topic strong{display:block;font-size:17px;margin:12px 0 7px}.topic p{font-size:13px;color:var(--muted);margin:0}
    .faq{background:var(--ink);color:#f5f1e6}.faq .section-desc{color:#b9c0b2}.faq-grid{display:grid;grid-template-columns: .8fr 1.5fr;gap:70px}.faq-index{color:#aebd83;font-size:12px;border-left:2px solid var(--signal);padding-left:14px;margin-top:30px}.faq-list details{border-bottom:1px solid rgba(242,240,232,.2);padding:20px 0}.faq-list details[open]{border-left:3px solid var(--olive);padding-left:17px}.faq-list summary{cursor:pointer;list-style:none;font-weight:700;font-size:17px;display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:#b7c48e;font-size:22px;font-weight:400}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:#c3c8bd;font-size:14px;margin:13px 30px 0 0}
    .cta-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:40px;display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;box-shadow:var(--shadow)}.cta-panel h2{font-size:34px;line-height:1.3;margin:0 0 16px}.cta-panel p{color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.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{border:1px solid var(--line);background:#fffdf8;border-radius:9px;padding:11px 13px;color:var(--ink);transition:.2s}.field textarea{min-height:105px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--olive);box-shadow:0 0 0 3px rgba(93,107,62,.13)}.privacy{font-size:12px;color:var(--muted);margin:12px 0 0}.privacy a{color:var(--olive-deep);text-decoration:underline;text-underline-offset:3px}
    footer{background:#20241e;color:#c8cec0;padding:52px 0 28px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}.footer-brand{color:#f5f1e6;font-size:19px;font-weight:800}.footer-text{font-size:13px;color:#9ca596;max-width:360px;margin-top:12px}.footer h3{font-size:13px;color:#e5ead9;margin:0 0 13px}.footer a{display:block;font-size:13px;color:#aeb7a5;margin:8px 0}.footer a:hover{color:#d7e29e}.copyright{border-top:1px solid rgba(242,240,232,.14);margin-top:38px;padding-top:20px;color:#879083;font-size:12px}
    @media(max-width:1024px){.hero-grid{grid-template-columns:1fr}.dashboard{max-width:680px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.main{grid-row:auto;grid-column:1/-1;min-height:230px}.topic-grid{grid-template-columns:1fr 1fr}.faq-grid{gap:35px}}
    @media(max-width:768px){.container{width:min(100% - 32px,600px)}.nav-links,.nav-tools .btn-primary{display:none}.menu-btn{display:block}.nav-wrap{height:64px}.nav-tools{margin-left:auto}.hero{padding:55px 0 62px}.hero-copy{font-size:15px}.hero-actions .btn{flex:1}.dashboard{grid-template-columns:1fr 1fr}.dash-card.large{grid-row:auto;grid-column:1/-1;min-height:180px}.dash-card.wide{grid-column:1/-1}.section-head,.faq-grid,.cta-panel{display:block}.section-head{margin-bottom:25px}.section-desc{margin-top:12px}.compare-grid{grid-template-columns:1fr;gap:10px}.compare-mid{height:32px}.compare-box,.compare-box.good{border-radius:12px}.path{grid-template-columns:1fr 1fr}.cta-panel{padding:28px}.cta-panel form{margin-top:30px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.brand-name{font-size:15px}.locale{font-size:11px;padding:5px 8px}.hero h1{font-size:34px}.dashboard{grid-template-columns:1fr}.dash-card.large,.dash-card.wide{grid-column:auto}.matrix,.topic-grid{grid-template-columns:1fr}.matrix-card.main{grid-column:auto}.section-title{font-size:29px}section{padding:65px 0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.hero-actions{display:grid}.path{grid-template-columns:1fr 1fr}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --ink:#141713;--surface:#f2f0e8;--panel:#e7e6de;--olive:#5d6b3e;
      --olive-deep:#384226;--signal:#c6672d;--line:rgba(20,23,19,.16);
      --muted:#687064;--paper:#faf9f4;--shadow:0 12px 32px rgba(20,23,19,.08);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit;outline:none}
    img{max-width:100%;display:block}
    .container{width:min(1240px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(242,240,232,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
    .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}
    .brand-mark{width:38px;height:38px;background:var(--ink);color:#f5f1e6;display:grid;place-items:center;border-radius:10px;font-weight:800;letter-spacing:-.08em}
    .brand-name{font-size:18px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{position:relative;padding:9px 14px;color:#4e574b;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--ink)}
    .nav-links a.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--olive)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .locale{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:9px 13px;color:#56604f;font-size:12px;cursor:pointer;transition:.2s}
    .locale:hover{border-color:var(--olive);background:#e3e7d8}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:700;font-size:14px;transition:.2s;cursor:pointer}
    .btn-primary{background:var(--olive);color:#fff}
    .btn-primary:hover{background:var(--olive-deep);transform:translateY(-1px)}
    .btn-primary:active{transform:translateY(0);background:#2d351f}
    .btn-light{background:var(--paper);border-color:var(--line);color:var(--ink)}
    .btn-light:hover{background:#dfe3d0;border-color:var(--olive)}
    .btn:focus-visible,.nav-links a:focus-visible,.locale:focus-visible,.menu-btn:focus-visible,summary:focus-visible{outline:3px solid rgba(198,103,45,.45);outline-offset:3px}
    .menu-btn{display:none;border:1px solid var(--line);background:var(--paper);border-radius:9px;width:44px;height:44px;font-size:21px;cursor:pointer}
    .archive-hero{background:var(--ink);color:#f5f1e6;padding:46px 0 48px;position:relative;overflow:hidden}
    .archive-hero:before{content:"";position:absolute;inset:0;opacity:.16;background-image:linear-gradient(rgba(242,240,232,.22) 1px,transparent 1px),linear-gradient(90deg,rgba(242,240,232,.22) 1px,transparent 1px);background-size:44px 44px}
    .archive-grid{position:relative;display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:center}
    .crumbs{font-size:12px;color:#aeb8a2;margin-bottom:16px}
    .crumbs a:hover{color:#e8ecd9}
    .eyebrow{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;color:#b9c98d;margin-bottom:14px}
    h1{font-size:clamp(34px,5vw,56px);line-height:1.18;letter-spacing:-.045em;margin:0 0 18px}
    .hero-copy{max-width:700px;color:#c6cbbf;font-size:17px}
    .archive-mark{min-height:190px;border:1px solid rgba(242,240,232,.24);border-radius:14px;background:#273021;padding:22px;position:relative;overflow:hidden}
    .archive-mark:after{content:"91 / INDEX";position:absolute;right:18px;bottom:14px;color:#d0d8b2;font:12px ui-monospace,monospace}
    .mark-lines{height:100%;min-height:145px;border-left:2px solid var(--signal);border-top:1px solid rgba(242,240,232,.22);position:relative;background:repeating-linear-gradient(0deg,transparent 0 28px,rgba(242,240,232,.07) 29px 30px)}
    .mark-lines:before,.mark-lines:after{content:"";position:absolute;width:14px;height:14px;border:1px solid #a9bc77}
    .mark-lines:before{left:18%;top:24%}.mark-lines:after{right:18%;bottom:25%}
    .filter-bar{padding:24px 0 6px}
    .filters{display:flex;gap:10px;overflow:auto;white-space:nowrap;padding-bottom:8px}
    .filter{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:8px 16px;color:#596257;font-size:13px;cursor:pointer;transition:.2s}
    .filter:hover,.filter.current{background:var(--olive);border-color:var(--olive);color:#fff}
    .content-area{padding:55px 0 82px}
    .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
    .section-kicker{color:var(--signal);font:12px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;margin-bottom:7px}
    .section-title{font-size:clamp(27px,3vw,37px);line-height:1.3;margin:0;letter-spacing:-.03em}
    .section-desc{max-width:590px;color:var(--muted);margin:0}
    .index-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}
    .index-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-height:335px;transition:.22s}
    .index-card:first-child{grid-column:1/-1;min-height:245px;display:grid;grid-template-columns:34% 1fr}
    .index-card:hover{border-color:var(--olive);box-shadow:var(--shadow);transform:translateY(-3px)}
    .cover{min-height:150px;background:var(--olive-deep);position:relative;overflow:hidden}
    .cover:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.08),transparent 45%),repeating-linear-gradient(90deg,transparent 0 32px,rgba(242,240,232,.08) 33px 34px)}
    .cover:after{content:"";position:absolute;left:22px;bottom:22px;width:58px;height:2px;background:var(--signal);box-shadow:0 -9px 0 rgba(198,103,45,.35),0 -18px 0 rgba(198,103,45,.18)}
    .cover-number{position:absolute;right:17px;top:12px;color:#d5ddbb;font:28px ui-monospace,monospace}
    .card-body{padding:22px 24px;position:relative;flex:1}
    .card-label{font:11px ui-monospace,monospace;color:var(--signal);letter-spacing:.08em}
    .index-card h3{font-size:21px;line-height:1.4;margin:12px 0 8px}
    .index-card p{font-size:14px;color:var(--muted);margin:0 0 18px;max-width:650px}
    .meta{display:flex;gap:14px;color:#7b8277;font-size:12px;border-top:1px solid var(--line);padding-top:12px}
    .card-arrow{position:absolute;right:22px;bottom:18px;color:var(--olive);font-size:21px}
    .guide{margin:26px 0 0;background:var(--panel);border-left:4px solid var(--olive);border-radius:10px;padding:18px 22px;display:flex;justify-content:space-between;gap:20px;align-items:center}
    .guide strong{display:block;margin-bottom:3px}.guide p{margin:0;color:var(--muted);font-size:14px}
    .guide-mark{font:12px ui-monospace,monospace;color:var(--signal);white-space:nowrap}
    .explore{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:42px;padding-top:22px}
    .explore p{margin:0;color:var(--muted);font-size:14px}
    .pages{display:flex;gap:7px}.page{width:40px;height:40px;border:1px solid var(--line);display:grid;place-items:center;border-radius:8px;font:13px ui-monospace,monospace;background:var(--paper)}
    .page.current{background:var(--olive);color:#fff;border-color:var(--olive)}
    .compact-faq{background:var(--ink);color:#f5f1e6;padding:72px 0}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-index{color:#b7c48e;font:12px ui-monospace,monospace;border-left:2px solid var(--signal);padding-left:14px;margin-top:25px}
    .faq-list details{border-bottom:1px solid rgba(242,240,232,.2);padding:18px 0}
    .faq-list details[open]{border-left:3px solid var(--olive);padding-left:16px}
    .faq-list summary{cursor:pointer;list-style:none;font-weight:700;display:flex;justify-content:space-between;gap:20px;min-height:30px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";color:#b7c48e;font-size:22px;font-weight:400;line-height:1.2}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list p{color:#c4c9bf;font-size:14px;margin:10px 30px 0 0}
    .cta-wrap{padding:72px 0}
    .cta-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:48px;box-shadow:var(--shadow)}
    .cta-panel h2{font-size:clamp(28px,3vw,38px);line-height:1.3;margin:0 0 14px}
    .cta-panel p{color:var(--muted);margin:0 0 24px}
    .cta-rule{border-top:1px solid var(--line);padding-top:18px;color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .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:9px;background:#fffdf8;padding:11px 12px;color:var(--ink);transition:.2s}
    .field textarea{min-height:100px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--olive);box-shadow:0 0 0 3px rgba(93,107,62,.13)}
    .form-note{font-size:12px;color:var(--muted);margin:12px 0 0}.form-status{font-size:13px;color:var(--olive-deep);margin-top:10px;display:none}
    footer{background:#1b1f19;color:#f1efe5;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:48px;padding-bottom:38px}.footer-brand{font-size:21px;font-weight:800;margin-bottom:10px}.footer-text{color:#b8beb1;font-size:14px;max-width:340px;margin:0}.footer-grid h3{font-size:14px;margin:0 0 13px;color:#d8dfbe}.footer-grid a{display:block;color:#b8beb1;font-size:13px;margin:7px 0;transition:.2s}.footer-grid a:hover{color:#d5dfb3;transform:translateX(2px)}.copyright{border-top:1px solid rgba(242,240,232,.16);padding-top:18px;color:#92998d;font-size:12px}
    @media(max-width:1024px){.archive-grid{grid-template-columns:1fr 220px}.index-grid{grid-template-columns:1fr 1fr}.faq-grid{gap:35px}.cta-panel{gap:28px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav-wrap{height:66px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:74px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-links a.active:after{left:14px;right:auto;width:28px;bottom:5px}.locale{display:none}.menu-btn{display:block}.nav-tools .btn{display:none}.archive-hero{padding:38px 0}.archive-grid{grid-template-columns:1fr;gap:24px}.archive-mark{min-height:130px}.mark-lines{min-height:95px}.content-area{padding:42px 0 60px}.section-head{display:block}.section-desc{margin-top:12px}.index-grid{grid-template-columns:1fr}.index-card:first-child{grid-column:auto;display:flex;min-height:335px}.guide{display:block}.guide-mark{display:block;margin-top:10px}.explore{display:block}.pages{margin-top:15px}.faq-grid{grid-template-columns:1fr;gap:22px}.compact-faq{padding:58px 0}.cta-wrap{padding:58px 0}.cta-panel{grid-template-columns:1fr;padding:26px;gap:28px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){body{font-size:15px}.container{width:calc(100% - 28px)}.brand-name{font-size:16px}.brand-mark{width:35px;height:35px}.archive-hero h1{font-size:34px}.hero-copy{font-size:15px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{line-height:1.7}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category2 */
:root{
            --ink:#141713;
            --surface:#f2f0e8;
            --panel:#e7e6de;
            --olive:#5d6b3e;
            --olive-deep:#384226;
            --signal:#c6672d;
            --line:rgba(20,23,19,.16);
            --muted:#687064;
            --paper:#faf9f4;
            --shadow:0 12px 32px rgba(20,23,19,.08);
            --radius:16px;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--surface);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;font-size:16px;line-height:1.8}
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit;outline:none}
        button{cursor:pointer}
        .container{width:min(1240px,calc(100% - 40px));margin:auto}
        .site-header{position:sticky;top:0;z-index:30;background:rgba(242,240,232,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
        .nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;white-space:nowrap}
        .brand-mark{width:38px;height:38px;background:var(--ink);color:#f5f1e6;display:grid;place-items:center;border-radius:10px;font-weight:800;letter-spacing:-.08em}
        .brand-name{font-size:18px}
        .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
        .nav-links a{position:relative;padding:9px 14px;color:#4e574b;font-size:14px;transition:.2s}
        .nav-links a:hover,.nav-links a.active{color:var(--ink)}
        .nav-links a.active:after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--olive)}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .locale{border:1px solid var(--line);border-radius:999px;background:var(--paper);padding:9px 13px;color:#56604f;font-size:12px;transition:.2s}
        .locale:hover{border-color:var(--olive);color:var(--olive-deep)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:10px;padding:12px 18px;font-weight:700;font-size:14px;transition:.2s;cursor:pointer}
        .btn-primary{background:var(--olive);color:#fff}
        .btn-primary:hover{background:var(--olive-deep);transform:translateY(-1px)}
        .btn-primary:active{transform:translateY(0);background:#2d351f}
        .btn-light{background:var(--paper);border-color:var(--line);color:var(--ink)}
        .btn-light:hover{background:#dfe3d0;border-color:var(--olive)}
        .btn:focus-visible,.nav-links a:focus-visible,.locale:focus-visible,.menu-btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(198,103,45,.45);outline-offset:3px}
        .menu-btn{display:none;border:1px solid var(--line);background:var(--paper);border-radius:9px;width:44px;height:44px;font-size:21px}
        .topic-hero{padding:72px 0 58px;background:var(--ink);color:#f5f1e6;position:relative;overflow:hidden}
        .topic-hero:before{content:"";position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(242,240,232,.24) 1px,transparent 1px),linear-gradient(90deg,rgba(242,240,232,.24) 1px,transparent 1px);background-size:42px 42px}
        .topic-hero:after{content:"";position:absolute;right:10%;top:26px;width:180px;height:180px;border:1px solid rgba(181,194,145,.32);transform:rotate(45deg)}
        .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 350px;gap:60px;align-items:end}
        .crumb{font-size:12px;color:#b5c291;margin-bottom:23px}
        .crumb a:hover{color:#fff}
        .hero-title{font-size:clamp(34px,5vw,58px);line-height:1.2;letter-spacing:-.05em;margin:0 0 18px}
        .hero-copy{max-width:690px;color:#c5c9bd;font-size:17px;margin:0}
        .hero-meta{border:1px solid rgba(242,240,232,.22);background:#22271f;padding:24px;border-radius:14px;position:relative}
        .hero-meta:before{content:"02";position:absolute;right:18px;top:10px;color:rgba(181,194,145,.35);font:700 48px/1 ui-monospace,monospace}
        .status{display:inline-flex;align-items:center;gap:8px;color:#d2dcac;font-size:13px}
        .status i{width:7px;height:7px;border-radius:50%;background:var(--signal);display:inline-block}
        .meta-line{height:1px;background:rgba(242,240,232,.17);margin:20px 0}
        .meta-label{font:11px ui-monospace,monospace;color:#aebd83;letter-spacing:.12em}
        .meta-value{font-size:22px;font-weight:800;margin-top:4px}
        section{padding:76px 0}
        .section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
        .section-kicker{color:var(--signal);font:12px ui-monospace,monospace;letter-spacing:.08em;margin-bottom:7px}
        .section-title{font-size:clamp(27px,3vw,38px);line-height:1.3;margin:0;letter-spacing:-.03em}
        .section-desc{max-width:560px;color:var(--muted);margin:0}
        .route-bar{display:flex;align-items:center;gap:0;border:1px solid var(--line);background:var(--paper);padding:22px 26px;border-radius:14px;margin-bottom:42px;overflow:auto}
        .route-node{min-width:150px;position:relative;padding-right:35px}
        .route-node:not(:last-child):after{content:"";position:absolute;right:10px;top:18px;width:42px;height:1px;background:var(--olive)}
        .route-dot{width:17px;height:17px;border:2px solid var(--olive);border-radius:50%;background:var(--paper);margin-bottom:8px}
        .route-node.active .route-dot{background:var(--signal);border-color:var(--signal)}
        .route-num{color:var(--signal);font:11px ui-monospace,monospace}
        .route-label{font-weight:700;font-size:14px}
        .directory-layout{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
        .directory{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:20px}
        .directory h2{font-size:17px;margin:0 0 18px}
        .directory a{display:block;color:var(--muted);font-size:14px;padding:9px 0;border-bottom:1px solid rgba(20,23,19,.08);transition:.2s}
        .directory a:hover,.directory a.current{color:var(--olive-deep);font-weight:700;padding-left:7px}
        .topic-block{border:1px solid var(--line);border-radius:16px;background:var(--paper);padding:31px;margin-bottom:22px;position:relative;overflow:hidden}
        .topic-block:nth-child(even){background:var(--panel)}
        .topic-block:after{content:"";position:absolute;right:-20px;top:-20px;width:90px;height:90px;border:1px solid rgba(93,107,62,.2);transform:rotate(45deg)}
        .topic-top{display:grid;grid-template-columns:90px 1fr;gap:18px;align-items:start;margin-bottom:22px}
        .big-num{font:700 54px/1 ui-monospace,monospace;color:rgba(93,107,62,.25);letter-spacing:-.08em}
        .topic-block h3{font-size:24px;line-height:1.35;margin:0 0 7px}
        .topic-block p{color:var(--muted);margin:0;max-width:680px;font-size:15px}
        .entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
        .entry{display:flex;align-items:center;justify-content:space-between;gap:15px;border:1px solid var(--line);padding:15px 17px;border-radius:11px;background:rgba(250,249,244,.7);transition:.2s}
        .entry:hover{border-color:var(--olive);box-shadow:0 6px 18px rgba(20,23,19,.06);transform:translateX(3px)}
        .entry strong{display:block;font-size:15px}
        .entry span{display:block;color:var(--muted);font-size:12px;margin-top:3px}
        .entry b{color:var(--olive);font-size:20px;font-weight:400}
        .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
        .tag{border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--surface);font-size:12px;color:#56604f}
        .tag:hover{border-color:var(--olive);color:var(--olive-deep)}
        .notice{display:flex;align-items:center;gap:20px;padding:20px 24px;background:var(--olive-deep);color:#f5f1e6;border-radius:13px;margin:36px 0}
        .notice-mark{font:700 22px ui-monospace,monospace;color:#c4d08f}
        .notice p{margin:0;color:#d0d6c2;font-size:14px}
        .continue{padding-top:36px}
        .continue-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
        .continue-card{border:1px solid var(--line);background:var(--paper);border-radius:14px;padding:25px;transition:.2s}
        .continue-card:hover{border-color:var(--olive);box-shadow:var(--shadow);transform:translateY(-3px)}
        .continue-card small{color:var(--signal);font:11px ui-monospace,monospace}
        .continue-card h3{font-size:20px;margin:13px 0 7px}
        .continue-card p{color:var(--muted);font-size:14px;margin:0 0 17px}
        .text-link{color:var(--olive-deep);font-weight:700;font-size:14px}
        .compact-faq{background:var(--ink);color:#f5f1e6}
        .compact-faq .section-desc{color:#b9c0b2}
        .faq-list{max-width:850px;margin-left:auto}
        details{border-bottom:1px solid rgba(242,240,232,.2);padding:18px 0}
        summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:700}
        summary::-webkit-details-marker{display:none}
        summary:after{content:"+";color:#b7c48e;font-size:22px}
        details[open] summary:after{content:"−"}
        details[open]{border-left:3px solid var(--olive);padding-left:16px}
        details p{color:#c3c8bd;font-size:14px;margin:10px 30px 0 0}
        .cta{padding:60px 0}
        .cta-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:38px;display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;box-shadow:var(--shadow)}
        .cta-panel h2{font-size:32px;line-height:1.3;margin:0 0 14px}
        .cta-panel p{color:var(--muted);margin:0}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .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{border:1px solid var(--line);border-radius:9px;background:#fffdf8;padding:11px 13px;color:var(--ink);transition:.2s}
        .field textarea{min-height:94px;resize:vertical}
        .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--olive);box-shadow:0 0 0 3px rgba(93,107,62,.13)}
        .form-note{font-size:12px;color:var(--muted);margin:12px 0 0}
        footer{background:var(--ink);color:#f5f1e6;padding:52px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px}
        .footer-brand{font-size:20px;font-weight:800;margin-bottom:11px}
        .footer-text{color:#b9c0b2;max-width:350px;font-size:14px;margin:0}
        footer h3{font-size:14px;margin:0 0 13px;color:#c4d08f}
        footer a{display:block;color:#c3c8bd;font-size:13px;padding:3px 0}
        footer a:hover{color:#fff}
        .copyright{border-top:1px solid rgba(242,240,232,.18);margin-top:38px;padding-top:20px;color:#9fa79a;font-size:12px}
        @media(max-width:1024px){
            .hero-inner{grid-template-columns:1fr 300px;gap:30px}
            .directory-layout{grid-template-columns:190px 1fr}
            .nav-links{gap:0}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{height:66px}
            .nav-links{display:none;position:absolute;top:66px;left:16px;right:16px;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .nav-links.open{display:flex}
            .nav-links a{padding:12px 14px}
            .nav-links a.active:after{left:14px;right:auto;width:28px;bottom:5px}
            .nav-tools .btn{display:none}
            .menu-btn{display:block}
            .hero-inner,.directory-layout,.cta-panel{grid-template-columns:1fr}
            .topic-hero{padding:52px 0 45px}
            .hero-meta{max-width:420px}
            section{padding:60px 0}
            .directory{position:static;display:flex;gap:8px;overflow:auto;border:0;border-bottom:1px solid var(--line);padding:0 0 12px;white-space:nowrap}
            .directory h2{display:none}
            .directory a{border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:var(--paper)}
            .directory a:hover,.directory a.current{padding-left:13px}
            .topic-top{grid-template-columns:65px 1fr}
            .big-num{font-size:43px}
            .entry-grid,.continue-grid,.form-grid,.footer-grid{grid-template-columns:1fr}
            .field.full{grid-column:auto}
            .cta-panel{padding:26px;gap:28px}
            .section-head{display:block}
            .section-desc{margin-top:12px}
            .route-bar{padding:18px; margin-bottom:30px}
        }
        @media(max-width:520px){
            body{font-size:15px}
            .brand-name{font-size:16px}
            .locale{padding:8px 9px;font-size:11px}
            .hero-title{font-size:33px}
            .hero-copy{font-size:15px}
            .topic-block{padding:22px}
            .topic-block h3{font-size:21px}
            .topic-top{gap:10px}
            .notice{align-items:flex-start;padding:17px}
        }
        @media(prefers-reduced-motion:reduce){
            *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
        }