/* roulang page: index */
:root{
      --ink:#17131f;
      --ink-2:#211a2a;
      --paper:#f5f1ea;
      --paper-2:#eeeaf2;
      --coral:#f0645a;
      --coral-dark:#d94b48;
      --mint:#6de0c0;
      --lime:#b8e86a;
      --violet:#8e78b8;
      --text:#282331;
      --muted:#756c7d;
      --line:#d9d0df;
      --light-line:rgba(248,244,236,.18);
      --shadow:0 18px 42px rgba(36,24,48,.12);
      --radius:22px;
      --radius-sm:12px;
      --max:1220px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8;padding-bottom:82px}
    a{color:inherit;text-decoration:none;transition:color .25s ease,transform .25s ease,border-color .25s ease,background .25s ease}
    a:hover{color:var(--coral)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,19,31,.97);border-bottom:1px solid rgba(109,224,192,.22);box-shadow:0 8px 25px rgba(23,19,31,.2)}
    .topbar{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;color:var(--paper);font-weight:800;line-height:1.15;letter-spacing:.02em}
    .brand-mark{width:36px;height:36px;border:2px solid var(--mint);border-radius:11px 11px 11px 3px;position:relative;box-shadow:0 0 17px rgba(109,224,192,.25)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--coral);border-radius:50%}
    .brand-mark:before{width:6px;height:6px;top:7px;left:8px}
    .brand-mark:after{width:10px;height:3px;bottom:8px;right:7px;border-radius:4px}
    .brand small{display:block;color:var(--mint);font-size:10px;font-weight:600;letter-spacing:.12em;margin-bottom:4px}
    .brand strong{font-size:17px}
    .nav-list{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
    .nav-list a{display:block;color:#d8d0df;padding:12px 15px;border-bottom:2px solid transparent;font-size:14px}
    .nav-list a:hover,.nav-list a.active{color:var(--paper);border-color:var(--mint)}
    .nav-list a.active{background:rgba(109,224,192,.08)}
    .nav-cta,.button-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:999px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-cta:hover,.button-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(240,100,90,.25)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--light-line);color:var(--paper);border-radius:8px;padding:8px 12px}
    .hero{background:var(--ink);color:var(--paper);overflow:hidden;position:relative;padding:92px 0 104px}
    .hero:before{content:"";position:absolute;width:460px;height:460px;border-radius:50%;right:-130px;top:-180px;background:rgba(142,120,184,.16);filter:blur(5px)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(470px,.9fr);gap:68px;align-items:center;position:relative}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mint);font-weight:700}
    .hero h1{font-size:clamp(40px,5.2vw,74px);line-height:1.1;letter-spacing:-.04em;margin:18px 0 24px;max-width:700px}
    .hero h1 em{font-style:normal;color:var(--coral)}
    .hero-lead{font-size:18px;line-height:1.9;color:#d8d0df;max-width:640px;margin-bottom:32px}
    .hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .button-outline{border:1px solid rgba(248,244,236,.38);color:var(--paper);border-radius:999px;padding:11px 20px;display:inline-flex;align-items:center;gap:8px}
    .button-outline:hover{border-color:var(--mint);color:var(--mint);transform:translateY(-2px)}
    .hero-note{font-size:13px;color:#a69caf;margin-top:20px}
    .map-panel{min-height:390px;border:1px solid rgba(109,224,192,.3);border-radius:28px;background:#211a2a;position:relative;padding:28px;box-shadow:0 24px 65px rgba(0,0,0,.25)}
    .map-panel:before{content:"";position:absolute;inset:24px;border:1px dashed rgba(184,232,106,.28);border-radius:20px;pointer-events:none}
    .map-title{display:flex;justify-content:space-between;position:relative;z-index:1;color:#d8d0df;font-size:13px}
    .map-title b{color:var(--lime)}
    .route{position:absolute;left:82px;right:58px;top:174px;height:2px;background:linear-gradient(90deg,var(--coral),var(--mint),var(--lime));transform:rotate(-13deg);box-shadow:0 0 14px rgba(109,224,192,.55)}
    .route:after{content:"";position:absolute;right:8%;top:-62px;width:2px;height:94px;background:var(--mint);transform:rotate(23deg)}
    .node{position:absolute;width:142px;padding:15px;background:#2e2439;border:1px solid rgba(248,244,236,.18);border-radius:15px;box-shadow:0 10px 24px rgba(0,0,0,.2)}
    .node:before{content:"";display:block;width:9px;height:9px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(240,100,90,.13),0 0 14px var(--coral);margin-bottom:10px}
    .node b{display:block;font-size:15px;color:var(--paper);line-height:1.4}
    .node span{font-size:11px;color:#aaa0b2}
    .node-a{left:42px;top:104px}.node-b{right:38px;top:205px}.node-c{left:145px;bottom:36px}
    .map-foot{position:absolute;bottom:22px;right:28px;color:#a69caf;font-size:12px}
    .section{padding:92px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .path-strip{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:0;position:relative}
    .path-item{padding:28px 30px 25px;border-top:2px solid var(--line);position:relative}
    .path-item:not(:last-child){border-right:1px solid var(--line)}
    .path-item:nth-child(2){border-top-color:var(--coral);background:#f0e9e5}
    .path-item:nth-child(3){border-top-color:var(--mint);background:#e9eee6}
    .index{font-size:13px;color:var(--coral);font-weight:800;letter-spacing:.12em}
    .path-item h3{font-size:23px;margin:14px 0 9px}
    .path-item p{font-size:14px;color:var(--muted);margin:0}
    .scene{background:var(--paper-2)}
    .scene-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:stretch}
    .feature-card{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:34px;min-height:390px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
    .feature-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(240,100,90,.35),transparent 35%),linear-gradient(135deg,transparent 45%,rgba(109,224,192,.09) 45%,transparent 46%)}
    .feature-card>*{position:relative}
    .cover-label{position:absolute;top:28px;left:30px;color:var(--lime);font-size:12px;border:1px solid rgba(184,232,106,.5);padding:5px 10px;border-radius:999px}
    .feature-card h3{font-size:32px;line-height:1.3;margin:12px 0}
    .feature-card p{color:#c9c0ce;max-width:580px;margin:0 0 20px}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap}
    .tag{font-size:12px;color:var(--ink);background:var(--lime);padding:4px 10px;border-radius:999px;font-weight:700}
    .tag.dark{background:transparent;color:var(--mint);border:1px solid rgba(109,224,192,.45)}
    .side-stack{display:grid;gap:18px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:23px;display:flex;flex-direction:column;justify-content:space-between;min-height:185px;transition:.25s}
    .mini-card:hover,.content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--coral)}
    .mini-card h3{font-size:20px;margin:10px 0 5px}
    .mini-card p{font-size:14px;color:var(--muted);margin:0}
    .arrow{color:var(--coral);font-size:20px}
    .rail-section{padding-top:80px}
    .content-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .content-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:.25s}
    .cover{height:170px;background:#292034;position:relative;overflow:hidden}
    .cover:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-35px;top:-40px;background:var(--coral);opacity:.85}
    .cover.c2{background:#283b39}.cover.c2:after{background:var(--lime)}
    .cover.c3{background:#403147}.cover.c3:after{background:var(--mint)}
    .cover.c4{background:#543530}.cover.c4:after{background:#e7a16b}
    .cover span{position:absolute;z-index:1;left:16px;bottom:14px;color:#fff;font-size:12px;letter-spacing:.08em}
    .content-body{padding:18px}
    .content-body h3{font-size:18px;line-height:1.45;margin:8px 0}
    .content-body p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .updates{background:var(--ink-2);color:var(--paper)}
    .updates .section-head p{color:#b8adbc}
    .update-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .update-list{border-top:1px solid var(--light-line)}
    .update-row{display:grid;grid-template-columns:115px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--light-line)}
    .update-date{color:var(--mint);font-size:13px}
    .update-row h3{font-size:17px;margin:0;color:var(--paper)}
    .update-row p{font-size:13px;color:#a69caf;margin:3px 0 0}
    .update-link{color:var(--coral);font-size:13px}
    .editor-note{border:1px solid rgba(184,232,106,.3);border-radius:20px;padding:29px;background:rgba(184,232,106,.06)}
    .editor-note h3{font-size:25px;margin:0 0 13px}.editor-note p{color:#c8bfca;font-size:14px;margin:0 0 20px}
    .trust{background:#e9e2eb}
    .trust-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
    .quote{font-size:25px;line-height:1.55;margin:0;border-left:4px solid var(--coral);padding-left:24px}
    .quote small{display:block;color:var(--muted);font-size:13px;margin-top:16px}
    .tag-wall{display:flex;gap:12px;flex-wrap:wrap}
    .tag-wall span{border:1px solid #cfc2d5;border-radius:999px;padding:10px 16px;background:rgba(255,255,255,.5);font-size:14px}
    .faq-wrap{max-width:900px;margin:auto}.accordion{background:transparent}.accordion-item{border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden;background:#fff}.accordion-title{color:var(--text);font-weight:700;font-size:16px;padding:20px 24px}.accordion-title:hover{color:var(--coral);background:#fcf8f5}.accordion-content{background:#fbf9f6;color:var(--muted);font-size:14px;padding:20px 24px;line-height:1.9}.accordion-item.is-active{border-color:var(--coral)}
    .final-cta{background:var(--coral);color:#fff;padding:62px 0}.final-cta .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}.final-cta h2{font-size:34px;margin:0 0 7px}.final-cta p{margin:0;color:#ffe5df}.button-light{background:#fff;color:var(--ink);border-radius:999px;padding:14px 24px;font-weight:800;white-space:nowrap}.button-light:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:var(--paper);padding:54px 0 32px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid var(--light-line)}.site-footer p{color:#aaa0b2;font-size:13px;max-width:360px}.footer-title{color:var(--mint);font-size:12px;letter-spacing:.12em;margin-bottom:14px}.footer-links{list-style:none;margin:0;padding:0}.footer-links li{margin:8px 0;color:#d8d0df;font-size:14px}.footer-links a:hover{color:var(--lime)}.copyright{padding-top:25px;color:#898090;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    .fixed-cta{position:fixed;z-index:30;bottom:0;left:0;right:0;background:rgba(23,19,31,.97);border-top:1px solid var(--mint);padding:13px 0}.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.fixed-cta strong{color:var(--paper);font-size:14px}.fixed-cta span{color:#aaa0b2;font-size:13px;margin-left:12px}
    @media(max-width:1024px){.hero-grid{grid-template-columns:1fr .9fr;gap:30px}.content-rail{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--max))}.topbar{min-height:68px}.menu-toggle{display:block}.nav-wrap{display:none;position:absolute;top:68px;left:0;right:0;background:var(--ink);padding:12px 16px 20px;border-bottom:1px solid var(--mint)}.nav-wrap.is-open{display:block}.nav-list{display:block}.nav-list a{padding:14px 10px}.nav-cta{margin:10px 0 0;width:100%}.hero{padding:64px 0 75px}.hero-grid,.scene-grid,.update-grid,.trust-grid{grid-template-columns:1fr}.map-panel{min-height:340px}.section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:14px}.path-strip{display:block}.path-item{border-right:0!important;border-bottom:1px solid var(--line)}.update-row{grid-template-columns:82px 1fr}.update-link{grid-column:2}.final-cta .cta-inner{display:block}.button-light{display:inline-flex;margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
    @media(max-width:520px){body{padding-bottom:112px}.hero h1{font-size:42px}.hero-lead{font-size:16px}.hero-actions a{width:100%}.map-panel{padding:20px;min-height:330px}.node{width:125px;padding:12px}.node-a{left:22px;top:100px}.node-b{right:20px;top:190px}.node-c{left:82px;bottom:28px}.route{left:65px;right:35px;top:168px}.content-rail{grid-template-columns:1fr}.cover{height:145px}.footer-grid{grid-template-columns:1fr}.fixed-inner{display:block}.fixed-cta span{display:block;margin:3px 0 8px}.fixed-cta .button-primary{width:100%;padding:10px}.final-cta h2{font-size:28px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
      --ink:#17131f;--ink-2:#211a2a;--paper:#f5f1ea;--paper-2:#eeeaf2;
      --coral:#f0645a;--coral-dark:#d94b48;--mint:#6de0c0;--lime:#b8e86a;
      --violet:#8e78b8;--text:#282331;--muted:#756c7d;--line:#d9d0df;
      --light-line:rgba(248,244,236,.18);--shadow:0 18px 42px rgba(36,24,48,.12);
      --radius:22px;--radius-sm:12px;--max:1220px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8;padding-bottom:86px}
    a{color:inherit;text-decoration:none;transition:color .25s ease,transform .25s ease,border-color .25s ease,background .25s ease}
    a:hover{color:var(--coral)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,19,31,.97);border-bottom:1px solid rgba(109,224,192,.22);box-shadow:0 8px 25px rgba(23,19,31,.2)}
    .topbar{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;color:var(--paper);font-weight:800;line-height:1.15;letter-spacing:.02em}
    .brand-mark{width:36px;height:36px;border:2px solid var(--mint);border-radius:11px 11px 11px 3px;position:relative;box-shadow:0 0 17px rgba(109,224,192,.25);flex:0 0 auto}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--coral);border-radius:50%}
    .brand-mark:before{width:6px;height:6px;top:7px;left:8px}
    .brand-mark:after{width:10px;height:3px;bottom:8px;right:7px;border-radius:4px}
    .brand small{display:block;color:var(--mint);font-size:10px;font-weight:600;letter-spacing:.12em;margin-bottom:4px}
    .brand strong{font-size:17px}
    .nav-list{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
    .nav-list a{display:block;color:#d8d0df;padding:12px 15px;border-bottom:2px solid transparent;font-size:14px}
    .nav-list a:hover,.nav-list a.active{color:var(--paper);border-color:var(--mint)}
    .nav-list a.active{background:rgba(109,224,192,.08)}
    .nav-cta,.button-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:999px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-cta:hover,.button-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(240,100,90,.25)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--light-line);color:var(--paper);border-radius:8px;padding:8px 12px}
    .page-hero{background:var(--ink);color:var(--paper);padding:70px 0 76px;position:relative;overflow:hidden}
    .page-hero:after{content:"";position:absolute;width:420px;height:420px;right:-110px;top:-180px;border:1px solid rgba(109,224,192,.25);border-radius:50%;box-shadow:0 0 0 32px rgba(109,224,192,.035),0 0 0 64px rgba(240,100,90,.035)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:65px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mint);font-weight:700}
    .page-hero h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.045em;margin:16px 0 20px;max-width:760px}
    .page-hero h1 em{font-style:normal;color:var(--coral)}
    .hero-lead{font-size:18px;line-height:1.9;color:#d8d0df;max-width:700px;margin:0}
    .hero-index{border-left:1px solid rgba(248,244,236,.25);padding-left:28px}
    .hero-index strong{display:block;color:var(--lime);font-size:44px;line-height:1;margin-bottom:12px}
    .hero-index p{color:#bdb3c4;margin:0;font-size:14px}
    .crumb{display:inline-flex;color:#bdb3c4;margin-top:27px;font-size:14px;border-bottom:1px solid rgba(109,224,192,.45);padding-bottom:3px}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .index-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}
    .filter-tag{border:1px solid var(--line);border-radius:999px;padding:8px 16px;background:#fff;color:var(--muted);font-size:14px}
    .filter-tag:hover,.filter-tag.active{border-color:var(--coral);color:var(--coral);background:#fff8f5}
    .collage{display:grid;grid-template-columns:1.35fr .82fr .82fr;grid-template-rows:245px 245px;gap:18px}
    .topic-card{position:relative;overflow:hidden;border-radius:var(--radius);padding:25px;display:flex;flex-direction:column;justify-content:flex-end;min-height:200px;border:1px solid var(--line);background:#fff;transition:.28s}
    .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--coral)}
    .topic-card:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(142,120,184,.18),transparent 58%)}
    .topic-card>*{position:relative}
    .topic-card.large{grid-row:span 2;background:var(--ink);color:var(--paper);padding:34px}
    .topic-card.large:before{background:radial-gradient(circle at 78% 20%,rgba(240,100,90,.38),transparent 30%),linear-gradient(135deg,transparent 45%,rgba(109,224,192,.12) 45%,transparent 46%)}
    .topic-card.mint{background:#e4f0e8}.topic-card.lilac{background:#e9e3f0}
    .topic-card h3{font-size:24px;line-height:1.35;margin:11px 0 7px}
    .topic-card.large h3{font-size:35px;max-width:410px}
    .topic-card p{font-size:14px;color:var(--muted);margin:0;max-width:420px}
    .topic-card.large p{color:#c9c0ce}
    .topic-meta{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--coral);font-weight:700}
    .topic-card.large .topic-meta{color:var(--lime)}
    .topic-arrow{font-size:22px;color:var(--coral)}
    .archive{background:var(--paper-2);padding:82px 0}
    .archive-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:48px}
    .archive-note{border-left:3px solid var(--coral);padding:8px 0 8px 24px}
    .archive-note h3{font-size:26px;line-height:1.4;margin:0 0 14px}
    .archive-note p{color:var(--muted);font-size:15px;margin:0}
    .timeline{border-top:1px solid var(--line)}
    .timeline-item{display:grid;grid-template-columns:90px 1fr auto;gap:22px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}
    .timeline-no{color:var(--coral);font-weight:800;font-size:14px}
    .timeline-item h3{font-size:19px;margin:0 0 5px}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .status{font-size:12px;color:var(--ink);background:var(--lime);border-radius:99px;padding:4px 10px;white-space:nowrap}
    .quote-zone{padding:84px 0}
    .quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 40px;display:grid;grid-template-columns:72px 1fr;gap:24px;align-items:start;box-shadow:0 10px 30px rgba(36,24,48,.06)}
    .quote-mark{width:56px;height:56px;border-radius:16px;background:var(--ink);color:var(--mint);font-size:32px;display:grid;place-items:center}
    blockquote{margin:0;font-size:23px;line-height:1.65;font-weight:700}
    .quote-source{font-size:13px;color:var(--muted);margin-top:12px}
    .faq{background:var(--ink);color:var(--paper);padding:84px 0}
    .faq .section-head p{color:#bdb3c4}
    .accordion{background:transparent;margin:0;border:0}
    .accordion-title{background:rgba(248,244,236,.06);color:var(--paper);border:1px solid rgba(248,244,236,.16);margin-bottom:10px;border-radius:12px;padding:18px 22px;font-weight:700}
    .accordion-title:hover,.accordion-item.is-active .accordion-title{background:rgba(109,224,192,.1);border-color:var(--mint);color:var(--paper)}
    .accordion-content{background:#292231;color:#cfc6d5;border:1px solid rgba(109,224,192,.25);border-top:0;border-radius:0 0 12px 12px;margin-top:-10px;margin-bottom:10px;padding:18px 22px}
    .cta-band{padding:72px 0;background:var(--coral);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}
    .cta-inner h2{font-size:clamp(27px,4vw,43px);line-height:1.25;margin:0 0 8px}
    .cta-inner p{margin:0;color:#ffe5df}
    .button-light{background:#fff;color:var(--ink);border-radius:999px;padding:14px 23px;font-weight:800;white-space:nowrap}
    .button-light:hover{color:var(--ink);background:var(--lime);transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:var(--paper);padding:68px 0 30px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:60px}
    .site-footer .brand{margin-bottom:20px}
    .site-footer p{color:#bdb3c4;max-width:470px;font-size:14px}
    .footer-title{font-weight:800;margin-bottom:14px;color:var(--mint)}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li{margin-bottom:9px;color:#cfc6d5;font-size:14px}
    .footer-links a:hover{color:var(--coral)}
    .copyright{border-top:1px solid var(--light-line);margin-top:45px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#8e8495;font-size:12px}
    .fixed-cta{position:fixed;z-index:25;bottom:0;left:0;right:0;background:rgba(23,19,31,.96);border-top:1px solid rgba(109,224,192,.45);padding:13px 0;box-shadow:0 -8px 25px rgba(23,19,31,.18)}
    .fixed-inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
    .fixed-inner p{margin:0;color:#e8e0e9;font-size:14px}.fixed-inner p b{color:var(--lime)}
    @media(max-width:1024px){.hero-inner{gap:35px}.collage{grid-template-columns:1fr 1fr;grid-template-rows:280px 210px 210px}.topic-card.large{grid-row:span 1;grid-column:span 2}.archive-grid{gap:30px}}
    @media(max-width:767px){
      body{padding-bottom:76px}.container{width:min(var(--max),calc(100% - 28px))}
      .topbar{min-height:68px}.menu-toggle{display:block}.nav-wrap{display:none;width:100%;padding-bottom:10px}.nav-wrap.is-open{display:block}.topbar{flex-wrap:wrap}.topbar .nav-wrap{order:3}.nav-list{display:block}.nav-list a{padding:13px 10px}.nav-list .nav-cta{margin-top:8px;text-align:center}
      .hero-inner{display:block}.page-hero{padding:54px 0 60px}.page-hero h1{font-size:42px}.hero-index{margin-top:38px;padding-left:20px}
      .section{padding:60px 0}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:15px}.collage{display:block}.topic-card{min-height:220px;margin-bottom:14px}.topic-card.large{min-height:330px}.archive{padding:60px 0}.archive-grid{display:block}.timeline{margin-top:35px}.timeline-item{grid-template-columns:55px 1fr}.status{grid-column:2;justify-self:start}.quote-zone{padding:60px 0}.quote-box{display:block;padding:25px}.quote-mark{margin-bottom:18px}blockquote{font-size:19px}.faq{padding:60px 0}.cta-inner{display:block}.button-light{display:inline-flex;margin-top:22px}.footer-grid{display:block}.footer-grid>div{margin-bottom:32px}.copyright{display:block}.copyright span{display:block;margin-bottom:5px}.fixed-inner p{font-size:12px}.fixed-inner .button-primary{padding:10px 15px;font-size:13px;white-space:nowrap}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
      --ink:#17131f;
      --ink-2:#211a2a;
      --paper:#f5f1ea;
      --paper-2:#eeeaf2;
      --coral:#f0645a;
      --coral-dark:#d94b48;
      --mint:#6de0c0;
      --lime:#b8e86a;
      --violet:#8e78b8;
      --text:#282331;
      --muted:#756c7d;
      --line:#d9d0df;
      --light-line:rgba(248,244,236,.18);
      --shadow:0 18px 42px rgba(36,24,48,.12);
      --radius:22px;
      --radius-sm:12px;
      --max:1220px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--text);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.8;padding-bottom:92px}
    a{color:inherit;text-decoration:none;transition:color .25s ease,transform .25s ease,border-color .25s ease,background .25s ease}
    a:hover{color:var(--coral)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(23,19,31,.98);border-bottom:1px solid rgba(109,224,192,.22);box-shadow:0 8px 25px rgba(23,19,31,.2)}
    .topbar{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:12px;color:var(--paper);font-weight:800;line-height:1.15;letter-spacing:.02em}
    .brand:hover{color:var(--paper)}
    .brand-mark{width:36px;height:36px;border:2px solid var(--mint);border-radius:11px 11px 11px 3px;position:relative;box-shadow:0 0 17px rgba(109,224,192,.25)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--coral);border-radius:50%}
    .brand-mark:before{width:6px;height:6px;top:7px;left:8px}
    .brand-mark:after{width:10px;height:3px;bottom:8px;right:7px;border-radius:4px}
    .brand small{display:block;color:var(--mint);font-size:10px;font-weight:600;letter-spacing:.12em;margin-bottom:4px}
    .brand strong{font-size:17px}
    .nav-list{display:flex;align-items:center;gap:6px;margin:0;padding:0;list-style:none}
    .nav-list a{display:block;color:#d8d0df;padding:12px 15px;border-bottom:2px solid transparent;font-size:14px}
    .nav-list a:hover,.nav-list a.active{color:var(--paper);border-color:var(--mint)}
    .nav-list a.active{background:rgba(109,224,192,.08)}
    .nav-cta,.button-primary{background:var(--coral);color:#fff!important;border:1px solid var(--coral);border-radius:999px;padding:12px 21px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .nav-cta:hover,.button-primary:hover{background:var(--coral-dark);border-color:var(--coral-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(240,100,90,.25)}
    .menu-toggle{display:none;background:transparent;border:1px solid var(--light-line);color:var(--paper);border-radius:8px;padding:8px 12px}
    .category-hero{background:var(--ink);color:var(--paper);padding:72px 0 78px;position:relative;overflow:hidden}
    .category-hero:before{content:"";position:absolute;width:520px;height:520px;right:-190px;top:-250px;border-radius:50%;background:rgba(142,120,184,.17);filter:blur(4px)}
    .category-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--mint),transparent);opacity:.65}
    .hero-inner{position:relative;z-index:1}
    .breadcrumb{font-size:13px;color:#a69caf;margin-bottom:28px}
    .breadcrumb a{color:var(--mint)}
    .category-title{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:end}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.18em;color:var(--mint);font-weight:700}
    .category-title h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.045em;margin:15px 0 20px;max-width:760px}
    .category-title h1 em{font-style:normal;color:var(--coral)}
    .category-title p{color:#d8d0df;font-size:17px;max-width:680px;margin:0}
    .hero-index{border-left:1px solid rgba(109,224,192,.45);padding:8px 0 8px 28px}
    .hero-index strong{display:block;color:var(--lime);font-size:42px;line-height:1;margin-bottom:12px}
    .hero-index span{display:block;color:#bcb2c5;font-size:14px}
    .section{padding:82px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:10px 0 0;letter-spacing:-.03em}
    .section-head p{max-width:500px;color:var(--muted);margin:0}
    .filter-bar{background:var(--ink-2);border-radius:var(--radius);padding:23px 27px;color:var(--paper);display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:42px;box-shadow:var(--shadow)}
    .filter-label{color:var(--mint);font-size:13px;font-weight:700;white-space:nowrap}
    .filter-list{display:flex;gap:9px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
    .filter-list button{border:1px solid rgba(248,244,236,.25);background:transparent;color:#d8d0df;border-radius:999px;padding:7px 14px;cursor:pointer;transition:.25s}
    .filter-list button:hover,.filter-list button.active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700}
    .content-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:38px;align-items:start}
    .selection-list{display:grid;gap:18px}
    .selection-card{display:grid;grid-template-columns:190px 1fr;gap:24px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:15px;transition:.25s}
    .selection-card:hover{transform:translateY(-4px);border-color:var(--coral);box-shadow:var(--shadow)}
    .cover{min-height:154px;border-radius:12px;position:relative;overflow:hidden;background:linear-gradient(135deg,#30233d,#8e78b8 60%,#f0645a)}
    .cover:before{content:"";position:absolute;width:140px;height:140px;border:1px solid rgba(248,244,236,.45);border-radius:50%;right:-30px;top:-35px}
    .cover:after{content:"";position:absolute;left:18px;bottom:18px;width:50px;height:5px;background:var(--lime);box-shadow:18px -13px 0 var(--mint)}
    .cover.c2{background:linear-gradient(145deg,#243b3b,#6de0c0 52%,#f5b36c)}
    .cover.c3{background:linear-gradient(145deg,#3a2630,#f0645a 55%,#b8e86a)}
    .cover.c4{background:linear-gradient(145deg,#27213c,#8e78b8 50%,#6de0c0)}
    .cover-mark{position:absolute;left:17px;top:15px;color:#fff;font-size:11px;letter-spacing:.14em;font-weight:700}
    .card-meta{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin-bottom:9px}
    .tag{font-size:12px;color:var(--ink);background:var(--lime);padding:3px 10px;border-radius:999px;font-weight:700}
    .tag.coral{background:#f8d2cd}
    .selection-card h3{font-size:22px;line-height:1.35;margin:0 0 8px}
    .selection-card p{font-size:14px;color:var(--muted);margin:0 0 12px;line-height:1.75}
    .text-link{color:var(--coral);font-size:14px;font-weight:700}
    .text-link:hover{text-decoration:underline;text-underline-offset:4px}
    .side-index{position:sticky;top:105px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:25px}
    .side-index h3{font-size:20px;margin:0 0 17px}
    .index-list{margin:0;padding:0;list-style:none}
    .index-list li{border-top:1px solid var(--line)}
    .index-list a{display:flex;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px}
    .index-list a span{color:var(--coral);font-weight:700}
    .side-note{margin-top:26px;padding-top:19px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
    .topic-strip{background:var(--ink);color:var(--paper);padding:70px 0;position:relative;overflow:hidden}
    .topic-strip .section-head p{color:#bcb2c5}
    .topic-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:16px}
    .topic-card{min-height:210px;border:1px solid rgba(248,244,236,.18);border-radius:18px;padding:25px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
    .topic-card:first-child{min-height:280px;background:rgba(240,100,90,.15)}
    .topic-card:nth-child(2){background:rgba(109,224,192,.1)}
    .topic-card:nth-child(3){background:rgba(184,232,106,.1)}
    .topic-card:hover{border-color:var(--mint);transform:translateY(-4px)}
    .topic-card h3{font-size:25px;margin:12px 0 7px;line-height:1.35}
    .topic-card p{color:#c9c0ce;font-size:14px;margin:0}
    .node-label{font-size:11px;letter-spacing:.15em;color:var(--mint);font-weight:700}
    .topic-card .arrow{color:var(--coral);font-size:25px;align-self:flex-end}
    .quote-section{padding:82px 0}
    .quote-panel{display:grid;grid-template-columns:1fr 1.5fr;gap:35px;align-items:center;border-top:2px solid var(--coral);padding-top:30px}
    .quote-panel h2{font-size:34px;line-height:1.35;margin:0}
    .quote-panel blockquote{margin:0;padding:25px 30px;background:#fff;border:1px solid var(--line);border-radius:18px;font-size:19px;line-height:1.8}
    .quote-panel cite{display:block;font-style:normal;color:var(--muted);font-size:13px;margin-top:15px}
    .faq-section{background:var(--paper-2);padding:78px 0}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}
    .faq-grid h2{font-size:38px;line-height:1.3;margin:10px 0 15px}
    .faq-grid>div>p{color:var(--muted)}
    .accordion{background:transparent;margin:0}
    .accordion-item{border:1px solid var(--line);border-bottom:0;background:#fff}
    .accordion-item:first-child{border-radius:14px 14px 0 0}
    .accordion-item:last-child{border-bottom:1px solid var(--line);border-radius:0 0 14px 14px}
    .accordion-title{color:var(--text);font-weight:700;padding:18px 22px;font-size:16px}
    .accordion-title:hover{background:#faf7f2;color:var(--coral)}
    .accordion-content{border-top:1px solid var(--line);background:#fff;color:var(--muted);padding:18px 22px;font-size:14px}
    .cta-band{background:var(--coral);color:#fff;padding:48px 0}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta-inner h2{font-size:32px;margin:0 0 7px;line-height:1.3}
    .cta-inner p{margin:0;color:#ffe9e4}
    .button-light{background:#fff;color:var(--ink);border-radius:999px;padding:13px 23px;font-weight:700;white-space:nowrap}
    .button-light:hover{background:var(--lime);color:var(--ink);transform:translateY(-2px)}
    .site-footer{background:var(--ink);color:var(--paper);padding:62px 0 30px}
    .footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:60px}
    .footer-grid p{color:#bcb2c5;max-width:440px;margin:20px 0 0;font-size:14px}
    .footer-title{color:var(--mint);font-size:13px;font-weight:700;margin-bottom:15px}
    .footer-links{list-style:none;padding:0;margin:0}
    .footer-links li{margin:8px 0}
    .footer-links a{color:#c9c0ce;font-size:14px}
    .footer-links a:hover{color:var(--lime)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--light-line);margin-top:45px;padding-top:20px;color:#93889c;font-size:12px}
    .fixed-cta{position:fixed;z-index:19;left:0;right:0;bottom:0;background:rgba(23,19,31,.97);border-top:1px solid rgba(109,224,192,.35);padding:13px 0}
    .fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
    .fixed-inner p{margin:0;color:#d8d0df;font-size:14px}
    .fixed-inner p strong{color:var(--lime)}
    @media(max-width:1024px){
      .category-title{gap:35px}
      .content-layout{grid-template-columns:1fr}
      .side-index{position:static}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-column:span 2}
    }
    @media(max-width:768px){
      body{padding-bottom:112px}
      .container{width:min(var(--max),calc(100% - 28px))}
      .topbar{min-height:70px}
      .menu-toggle{display:block}
      .nav-wrap{display:none;position:absolute;left:0;right:0;top:70px;background:var(--ink);border-bottom:1px solid rgba(109,224,192,.25);padding:10px 14px 18px}
      .nav-wrap.is-open{display:block}
      .nav-list{display:block}
      .nav-list li{border-bottom:1px solid rgba(248,244,236,.1)}
      .nav-list a{padding:14px 8px}
      .nav-list .nav-cta{margin-top:10px;text-align:center;border-bottom:0}
      .category-hero{padding:52px 0 58px}
      .category-title{grid-template-columns:1fr}
      .hero-index{border-left:0;border-top:1px solid rgba(109,224,192,.45);padding:20px 0 0}
      .section{padding:62px 0}
      .section-head,.cta-inner{display:block}
      .section-head p{margin-top:15px}
      .selection-card{grid-template-columns:130px 1fr;gap:15px}
      .cover{min-height:140px}
      .topic-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .quote-panel,.faq-grid{grid-template-columns:1fr;gap:25px}
      .cta-inner .button-light{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:span 2}
    }
    @media(max-width:520px){
      .brand strong{font-size:15px}
      .category-title h1{font-size:39px}
      .filter-bar{padding:20px}
      .selection-card{grid-template-columns:1fr}
      .cover{min-height:150px}
      .side-index{padding:20px}
      .quote-panel h2,.faq-grid h2{font-size:30px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .copyright{display:block}
      .copyright span{display:block;margin-top:6px}
      .fixed-inner{display:block}
      .fixed-inner .button-primary{width:100%;margin-top:8px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
    }