/* roulang page: index */
:root{
      --berry:#552044;--berry-deep:#281528;--plum:#71345f;--coral:#dc775f;
      --orange:#efae69;--cream:#fbf5ee;--paper:#fffdfa;--ink:#2d202b;
      --muted:#766b76;--line:#e7dce1;--soft:#f4e9ee;--radius-xl:30px;
      --radius-lg:22px;--radius-md:16px;--shadow:0 18px 45px rgba(63,31,54,.10);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block;object-fit:cover}
    button,input{font:inherit}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,245,238,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(85,32,68,.10)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--berry);font-size:18px;white-space:nowrap}
    .brand-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--berry),var(--coral));position:relative;box-shadow:0 7px 16px rgba(85,32,68,.2)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--orange);right:5px;top:5px}
    .nav-link{font-size:14px;color:var(--muted);padding:9px 14px!important;border-radius:12px}
    .nav-link:hover,.nav-link.active{color:var(--berry);background:var(--soft)}
    .command-search{height:42px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:13px;background:var(--paper);color:var(--muted);min-width:185px}
    .command-search input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}
    .keycap{font-size:11px;padding:2px 6px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}
    .btn-brand{border:0;color:#fff;background:linear-gradient(120deg,var(--berry),var(--plum));border-radius:13px;padding:11px 18px;font-weight:700;box-shadow:0 10px 22px rgba(85,32,68,.18)}
    .btn-brand:hover{color:#fff;transform:translateY(-2px);background:linear-gradient(120deg,#431733,var(--berry))}
    .btn-brand:focus,.btn-quiet:focus,.command-search:focus-within{outline:3px solid rgba(220,119,95,.28);outline-offset:2px}
    .btn-quiet{display:inline-block;border:1px solid var(--line);background:var(--paper);color:var(--berry);border-radius:13px;padding:10px 17px;font-weight:700}
    .btn-quiet:hover{border-color:var(--coral);color:var(--plum);transform:translateY(-2px)}
    .hero{position:relative;overflow:hidden;padding:54px 0 64px;background:linear-gradient(105deg,#fffaf4 0%,#f8e9ed 62%,#f3d9d0 100%)}
    .hero:after{content:"";position:absolute;width:450px;height:450px;border:1px solid rgba(85,32,68,.12);border-radius:50%;right:-130px;top:-190px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--coral);text-transform:uppercase}
    h1,h2,h3{line-height:1.25;color:var(--berry-deep);font-weight:800;letter-spacing:-.025em}
    h1{font-size:clamp(35px,5vw,62px);max-width:760px;margin:13px 0 20px}
    h2{font-size:clamp(28px,3.2vw,42px);margin:8px 0 14px}
    h3{font-size:20px;margin:0 0 8px}
    .hero-copy{font-size:17px;color:#5f5260;max-width:690px;margin-bottom:27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-strip{margin-top:42px;display:flex;gap:12px;flex-wrap:wrap}
    .data-chip{background:rgba(255,253,250,.78);border:1px solid rgba(85,32,68,.12);border-radius:14px;padding:10px 15px;color:var(--berry);font-size:13px}
    .data-chip strong{font-size:21px;margin-right:5px}
    section{padding:88px 0}
    .section-head{max-width:690px;margin-bottom:34px}
    .section-head p{color:var(--muted);margin:0}
    .matrix{display:grid;grid-template-columns:1.25fr .9fr .85fr;gap:16px}
    .matrix-card,.feature-panel,.timeline-item,.quote-card,.plan,.faq-wrap,.article-list,.cta-band{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .matrix-card{padding:26px;min-height:190px;position:relative;overflow:hidden}
    .matrix-card.large{min-height:270px;background:linear-gradient(145deg,var(--berry),#8e466b);color:#fff}
    .matrix-card.large h3,.matrix-card.large p{color:#fff}
    .matrix-card h3{margin-top:22px}.matrix-card p{color:var(--muted);font-size:14px}
    .index-no{font-size:12px;color:var(--coral);font-weight:800}
    .large .index-no{color:var(--orange)}
    .arrow{position:absolute;right:24px;bottom:22px;font-size:24px}
    .feature-layout{display:grid;grid-template-columns:1fr 1.55fr;gap:22px;align-items:stretch}
    .feature-panel{padding:30px}
    .feature-panel.dark{background:var(--berry-deep);color:#fff}
    .feature-panel.dark h3,.feature-panel.dark p{color:#fff}
    .feature-list{list-style:none;padding:0;margin:0}
    .feature-list li{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .feature-list li:last-child{border-bottom:0}
    .feature-icon{flex:0 0 34px;height:34px;border-radius:11px;background:var(--soft);color:var(--berry);display:grid;place-items:center;font-weight:800}
    .feature-list p{margin:3px 0 0;color:var(--muted);font-size:14px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .timeline-item{padding:22px;position:relative}
    .timeline-item:before{content:"";display:block;width:10px;height:10px;border-radius:50%;background:var(--coral);margin-bottom:28px;box-shadow:0 0 0 6px #f7e4df}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .updates{display:grid;grid-template-columns:1.5fr .8fr;gap:22px}
    .article-list{padding:10px 28px}
    .article-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .article-row:last-child{border:0}
    .article-row h3{font-size:17px;margin:0}.article-row p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .date{white-space:nowrap;color:var(--coral);font-size:12px;font-weight:700}
    .quote-card{padding:28px;background:linear-gradient(145deg,#f8e5e3,#fffaf4)}
    .quote-card p{font-size:18px;color:var(--berry);font-weight:700}
    .quote-card small{color:var(--muted)}
    .plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .plan{padding:28px}.plan.highlight{border:2px solid var(--coral);transform:translateY(-8px)}
    .plan-label{font-size:12px;color:var(--coral);font-weight:800}.plan h3{margin:10px 0}
    .plan ul{padding-left:19px;color:var(--muted);font-size:14px;min-height:110px}
    .faq-wrap{padding:10px 25px}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{background:transparent!important;color:var(--berry-deep)!important;font-weight:700;padding:20px 4px;box-shadow:none!important}
    .accordion-button:after{filter:hue-rotate(260deg)}
    .accordion-body{padding:0 4px 20px;color:var(--muted);font-size:14px}
    .cta-band{padding:44px 52px;background:linear-gradient(110deg,var(--berry),var(--plum));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-band h2{color:#fff;margin:0 0 8px}.cta-band p{margin:0;color:#f1dfe8}
    .cta-band .btn-quiet{background:#fff;border:0}
    footer{background:var(--berry-deep);color:#eadbe4;padding:53px 0 25px}
    footer .brand{color:#fff}footer p,footer a{color:#bfaeb9;font-size:13px}footer a:hover{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-title{font-weight:800;color:#fff;margin-bottom:12px}
    .footer-links{display:flex;flex-direction:column;gap:7px}
    .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:20px;font-size:12px;color:#a995a5}
    .skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:30}
    @media(max-width:991px){
      .command-search{min-width:0}.matrix{grid-template-columns:1fr 1fr}.matrix-card.large{grid-column:span 2}
      .feature-layout,.updates{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      section{padding:60px 0}.navbar{min-height:68px}.brand{font-size:15px}
      .hero{padding:42px 0 50px}h1{font-size:38px}.hero-copy{font-size:15px}
      .hero-actions .btn-brand,.hero-actions .btn-quiet{width:100%;text-align:center}
      .matrix,.plans,.timeline{grid-template-columns:1fr}.matrix-card.large{grid-column:auto}.plan.highlight{transform:none}
      .article-list{padding:8px 18px}.article-row{display:block}.date{display:block;margin-top:6px}
      .cta-band{padding:32px 24px;display:block}.cta-band .btn-quiet{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}
    }
    @media(max-width:520px){.footer-grid{grid-template-columns:1fr}.command-search{margin-top:12px}.hero-strip{gap:8px}.data-chip{flex:1}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --berry:#552044;--berry-deep:#281528;--plum:#71345f;--coral:#dc775f;
      --orange:#efae69;--cream:#fbf5ee;--paper:#fffdfa;--ink:#2d202b;
      --muted:#766b76;--line:#e7dce1;--soft:#f4e9ee;
      --radius-xl:30px;--radius-lg:22px;--radius-md:16px;
      --shadow:0 18px 45px rgba(63,31,54,.10);
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block;object-fit:cover}
    button,input,select{font:inherit}
    .container{max-width:1180px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(251,245,238,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(85,32,68,.1)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--berry);font-size:18px;white-space:nowrap}
    .brand-mark{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,var(--berry),var(--coral));position:relative;box-shadow:0 7px 16px rgba(85,32,68,.2)}
    .brand-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--orange);right:5px;top:5px}
    .nav-link{font-size:14px;color:var(--muted);padding:9px 14px!important;border-radius:12px}
    .nav-link:hover,.nav-link.active{color:var(--berry);background:var(--soft)}
    .command-search{height:42px;display:flex;align-items:center;gap:8px;padding:0 11px;border:1px solid var(--line);border-radius:13px;background:var(--paper);color:var(--muted);min-width:185px}
    .command-search input{border:0;outline:0;background:transparent;width:100%;font-size:13px;color:var(--ink)}
    .keycap{font-size:11px;white-space:nowrap;color:#9a8995}
    .btn-brand{display:inline-block;border:0;color:#fff;background:linear-gradient(120deg,var(--berry),var(--plum));border-radius:13px;padding:11px 18px;font-weight:700;box-shadow:0 10px 22px rgba(85,32,68,.18)}
    .btn-brand:hover{color:#fff;transform:translateY(-2px);background:linear-gradient(120deg,#431733,var(--berry))}
    .btn-brand:focus,.btn-quiet:focus,.command-search:focus-within{outline:3px solid rgba(220,119,95,.3);outline-offset:2px}
    .btn-quiet{display:inline-block;border:1px solid var(--line);background:var(--paper);color:var(--berry);border-radius:13px;padding:10px 17px;font-weight:700}
    .btn-quiet:hover{border-color:var(--coral);color:var(--plum);transform:translateY(-2px)}
    .page-hero{position:relative;overflow:hidden;padding:40px 0 48px;background:linear-gradient(105deg,#fffaf4 0%,#f8e9ed 64%,#f3d9d0 100%)}
    .page-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(85,32,68,.13);border-radius:50%;right:-120px;top:-190px}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.12em;font-weight:800;color:var(--coral)}
    h1,h2,h3{color:var(--berry-deep);font-weight:800;line-height:1.28}
    h1{font-size:clamp(34px,5vw,58px);letter-spacing:-.04em;margin:12px 0 16px}
    h2{font-size:clamp(27px,3vw,38px);margin:8px 0 12px}
    h3{font-size:19px;margin:0 0 8px}
    .hero-copy{max-width:700px;color:#5f5260;font-size:16px;margin:0}
    .breadcrumb{--bs-breadcrumb-divider:"／";margin:0 0 15px;font-size:13px;color:var(--muted)}
    .breadcrumb-item.active{color:var(--berry)}
    .hero-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .data-chip{background:rgba(255,253,250,.8);border:1px solid rgba(85,32,68,.12);border-radius:14px;padding:9px 14px;color:var(--berry);font-size:13px}
    .data-chip strong{font-size:20px;margin-right:4px}
    section{padding:76px 0}
    .section-head{max-width:700px;margin-bottom:30px}
    .section-head p{color:var(--muted);margin:0}
    .explore-shell{display:grid;grid-template-columns:265px 1fr;gap:24px;align-items:start}
    .filter-panel,.list-shell,.quick-panel,.faq-wrap,.cta-band{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .filter-panel{padding:23px;position:sticky;top:100px}
    .filter-title{font-weight:800;color:var(--berry);margin-bottom:18px}
    .filter-group{padding:17px 0;border-top:1px solid var(--line)}
    .filter-group:first-of-type{border-top:0;padding-top:0}
    .filter-label{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:10px}
    .filter-option{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:14px;margin:9px 0;cursor:pointer}
    .filter-option input{accent-color:var(--berry);width:16px;height:16px}
    .list-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}
    .result-count{color:var(--muted);font-size:13px}
    .sort-select{border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--berry);padding:9px 12px;font-size:13px;outline:none}
    .sort-select:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(220,119,95,.18)}
    .list-shell{padding:8px 25px}
    .topic-row{display:grid;grid-template-columns:72px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .topic-row:last-child{border-bottom:0}
    .topic-index{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(145deg,var(--soft),#f8ddd5);color:var(--berry);font-weight:800;font-size:18px}
    .topic-row p{font-size:14px;color:var(--muted);margin:4px 0 8px}
    .tag{display:inline-block;border-radius:999px;padding:4px 9px;background:var(--soft);color:var(--plum);font-size:11px;margin-right:5px}
    .topic-link{color:var(--berry);font-weight:800;font-size:14px;white-space:nowrap}
    .topic-link:hover{color:var(--coral)}
    .quick-panel{padding:25px;background:linear-gradient(145deg,#f8e5e3,#fffaf4)}
    .quick-list{list-style:none;padding:0;margin:15px 0 0}
    .quick-list li{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px solid rgba(85,32,68,.12);font-size:14px}
    .quick-list li:last-child{border-bottom:0}
    .quick-list span:last-child{color:var(--coral);font-weight:800}
    .window{padding-top:0}
    .window-card{display:grid;grid-template-columns:1.05fr 1fr;gap:0;overflow:hidden;background:var(--berry-deep);border-radius:var(--radius-xl);box-shadow:var(--shadow);color:#fff}
    .window-copy{padding:38px}
    .window-copy h2,.window-copy p{color:#fff}
    .window-copy p{color:#e6d5df}
    .countdown{display:flex;gap:9px;margin:23px 0}
    .count-box{min-width:58px;padding:9px 7px;text-align:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:13px}
    .count-box strong{display:block;font-size:21px;line-height:1.2}
    .count-box small{font-size:10px;color:#d9c4d0}
    .window-feature{padding:30px;background:linear-gradient(145deg,var(--plum),var(--coral));position:relative}
    .window-feature:before{content:"精选主题";display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.16);font-size:12px}
    .window-feature h3{color:#fff;font-size:26px;margin-top:42px}
    .window-feature p{color:#fff0eb;font-size:14px}
    .mini-stat{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .mini-stat span{padding:8px 11px;border-radius:11px;background:rgba(255,255,255,.14);font-size:12px}
    .faq-wrap{padding:10px 25px}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-item:last-child{border-bottom:0}
    .accordion-button{background:transparent!important;color:var(--berry-deep)!important;font-weight:700;padding:20px 4px;box-shadow:none!important}
    .accordion-button:after{filter:hue-rotate(260deg)}
    .accordion-body{padding:0 4px 20px;color:var(--muted);font-size:14px}
    .cta-band{padding:40px 48px;background:linear-gradient(110deg,var(--berry),var(--plum));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .cta-band h2{color:#fff;margin:0 0 8px}.cta-band p{margin:0;color:#f1dfe8}
    .cta-band .btn-quiet{background:#fff;border:0}
    footer{background:var(--berry-deep);color:#eadbe4;padding:53px 0 25px}
    footer .brand{color:#fff} footer p,footer a{color:#bfaeb9;font-size:13px} footer a:hover{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-title{font-weight:800;color:#fff;margin-bottom:12px}.footer-links{display:flex;flex-direction:column;gap:7px}
    .copyright{display:flex;justify-content:space-between;gap:15px;padding-top:20px;font-size:12px;color:#a995a5}
    .pagination .page-link{border:0;background:transparent;color:var(--berry);margin:0 3px;border-radius:10px}
    .pagination .page-link:hover,.pagination .active .page-link{background:var(--berry);color:#fff}
    @media(max-width:991px){
      .command-search{margin-top:8px}.explore-shell{grid-template-columns:1fr}.filter-panel{position:static}
      .window-card{grid-template-columns:1fr}.window-feature{min-height:260px}
    }
    @media(max-width:767px){
      section{padding:56px 0}.page-hero{padding:30px 0 40px}h1{font-size:36px}
      .list-toolbar{align-items:flex-start;flex-direction:column}.list-shell{padding:5px 17px}
      .topic-row{grid-template-columns:49px 1fr;gap:13px}.topic-index{width:43px;height:43px;border-radius:14px;font-size:15px}
      .topic-link{grid-column:2}.window-copy{padding:28px 23px}.window-feature{padding:25px 23px}
      .cta-band{padding:30px 24px;display:block}.cta-band .btn-brand{margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      .brand{font-size:15px}.navbar{min-height:68px}.hero-meta{gap:7px}.data-chip{padding:8px 10px}
      .filter-panel{padding:18px}.count-box{min-width:50px}.countdown{gap:6px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}