/* roulang page: index */
:root{
      --ink:#272523;
      --ink-soft:#5e5851;
      --paper:#f8f4ed;
      --paper-deep:#eee6da;
      --card:#fffdf9;
      --line:#ddd2c4;
      --coral:#c86455;
      --coral-dark:#9f493e;
      --amber:#d59b4c;
      --sage:#87927b;
      --shadow:0 18px 42px rgba(57,43,31,.10);
      --shadow-small:0 8px 22px rgba(57,43,31,.08);
      --radius:14px;
      --radius-lg:24px;
      --max:1180px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
    a:hover{color:var(--coral-dark)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(200,100,85,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow::before{content:"";width:24px;height:2px;background:var(--coral)}
    .section{padding:96px 0}
    .section-head{max-width:680px;margin-bottom:40px}
    .section-head h2{margin:12px 0 14px;font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft);font-size:16px}
    .site-header{position:relative;z-index:5;padding:20px 0;background:rgba(248,244,237,.92);border-bottom:1px solid rgba(221,210,196,.8)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:10px;position:relative}
    .brand-mark::after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid var(--amber);margin-left:3px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{padding:8px 14px;border-radius:9px;color:var(--ink-soft);font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{background:var(--ink);color:#fff}
    .nav-search{display:flex;align-items:center;gap:8px;padding:5px 5px 5px 14px;background:#fff;border:1px solid var(--line);border-radius:10px}
    .nav-search input{width:120px;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .nav-search button{border:0;border-radius:7px;background:var(--coral);color:#fff;padding:6px 11px;font-size:13px;font-weight:700}
    .hero{padding:74px 0 88px;position:relative;overflow:hidden}
    .hero::before{content:"";position:absolute;right:-100px;top:-130px;width:520px;height:520px;border:1px solid rgba(200,100,85,.18);border-radius:50%;box-shadow:0 0 0 35px rgba(200,100,85,.04),0 0 0 70px rgba(200,100,85,.025)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative}
    .hero h1{max-width:650px;margin:18px 0 20px;font-size:clamp(42px,6vw,74px);line-height:1.13;letter-spacing:-.065em}
    .hero h1 span{color:var(--coral)}
    .hero-lead{max-width:620px;color:var(--ink-soft);font-size:18px;line-height:1.9;margin:0 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
    .btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;font-weight:800;border:1px solid transparent}
    .btn-main{background:var(--coral);color:#fff;box-shadow:0 8px 16px rgba(200,100,85,.2)}
    .btn-main:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
    .btn-quiet{background:transparent;color:var(--ink);border-color:var(--line)}
    .btn-quiet:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;color:var(--ink-soft);font-size:13px}
    .hero-points strong{display:block;color:var(--ink);font-size:22px;line-height:1.2}
    .hero-panel{min-height:380px;padding:28px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);position:relative;box-shadow:var(--shadow);overflow:hidden}
    .hero-panel::after{content:"";position:absolute;right:-55px;bottom:-65px;width:220px;height:220px;border:1px solid rgba(255,255,255,.22);border-radius:50%;box-shadow:0 0 0 25px rgba(255,255,255,.04),0 0 0 52px rgba(255,255,255,.03)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;color:#d8cec3;font-size:13px}
    .status-dot{display:inline-flex;align-items:center;gap:7px}.status-dot::before{content:"";width:7px;height:7px;background:#a7c18b;border-radius:50%}
    .index-map{height:210px;margin:25px 0;position:relative;border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16)}
    .route{position:absolute;left:8%;right:14%;top:50%;height:1px;background:var(--amber);transform:rotate(-8deg)}
    .node{position:absolute;width:14px;height:14px;background:var(--coral);border:3px solid #f6d2c5;border-radius:50%;box-shadow:0 0 0 8px rgba(200,100,85,.18)}
    .node.one{left:10%;top:64%}.node.two{left:38%;top:43%}.node.three{left:69%;top:48%}.node.four{right:12%;top:21%}
    .node-label{position:absolute;color:#d8cec3;font-size:12px}.label-one{left:6%;bottom:25px}.label-two{left:32%;top:28px}.label-three{left:63%;bottom:25px}.label-four{right:7%;top:5px}
    .panel-foot{display:flex;justify-content:space-between;gap:12px;color:#d8cec3;font-size:13px}.panel-foot strong{color:#fff}
    .notice{margin-top:18px;padding:14px 16px;border-left:3px solid var(--amber);background:rgba(255,255,255,.07);color:#ddd3c9;font-size:13px}
    .obstacles{background:var(--paper-deep);padding:70px 0}
    .obstacle-track{display:grid;grid-template-columns:1.1fr .9fr 1.2fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .obstacle{padding:28px 28px 30px;border-right:1px solid var(--line);position:relative}
    .obstacle:last-child{border-right:0}.obstacle:nth-child(2){transform:translateY(22px);background:rgba(255,253,249,.55)}
    .obstacle-num{color:var(--coral);font-weight:900;font-size:14px}.obstacle h3{font-size:21px;margin:10px 0 8px}.obstacle p{margin:0;color:var(--ink-soft);font-size:14px;line-height:1.7}
    .explore{background:var(--ink);color:#fff}.explore .section-head p{color:#cfc5ba}
    .explore-layout{display:grid;grid-template-columns:260px 1fr;gap:44px}
    .index-list{border-left:1px solid #625b54}.index-list a{display:block;padding:11px 18px;color:#bdb3a8;border-left:3px solid transparent}.index-list a:hover,.index-list a.active{color:#fff;border-left-color:var(--amber);background:rgba(255,255,255,.06)}
    .topic-area{border-top:1px solid #625b54;padding-top:20px}.topic-row{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}.tag{display:inline-flex;padding:6px 12px;border:1px solid #665f57;border-radius:30px;color:#d5cbc1;font-size:13px}.tag:hover,.tag.selected{background:var(--amber);border-color:var(--amber);color:var(--ink)}
    .preview-rail{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.preview{min-height:180px;padding:22px;border-radius:var(--radius);background:#3a3632;border:1px solid #544d46;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.preview:first-child{min-height:250px;background:linear-gradient(145deg,#645348,#282522)}.preview::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(20,18,16,.7))}.preview>*{position:relative}.preview small{color:#e2b66f}.preview h3{margin:5px 0 0;font-size:20px}.preview p{margin:2px 0 0;color:#cfc5ba;font-size:13px}
    .results{padding:90px 0}.result-layout{display:grid;grid-template-columns:1fr 1.25fr;gap:60px;align-items:start}.big-count{font-size:100px;font-weight:900;line-height:.9;color:var(--coral);letter-spacing:-.08em}.count-note{color:var(--ink-soft);margin:18px 0 25px}.meter-list{display:grid;gap:14px}.meter-line{display:flex;justify-content:space-between;font-size:13px;margin-bottom:4px}.meter-bar{height:7px;background:var(--paper-deep);border-radius:10px;overflow:hidden}.meter-bar i{display:block;height:100%;background:var(--coral);border-radius:inherit}.update-list{border-top:1px solid var(--line)}.update-item{display:grid;grid-template-columns:80px 1fr auto;gap:18px;padding:19px 0;border-bottom:1px solid var(--line);align-items:center}.update-item time{font-size:13px;color:var(--coral-dark)}.update-item h3{font-size:17px;margin:0}.update-item p{margin:2px 0 0;color:var(--ink-soft);font-size:13px}.arrow{font-size:22px;color:var(--coral)}
    .feedback{background:#e8ddd0;padding:84px 0}.quote-grid{display:grid;grid-template-columns:1.2fr .8fr .95fr;gap:18px;align-items:start}.quote{background:var(--card);padding:26px;border-radius:var(--radius);box-shadow:var(--shadow-small)}.quote:nth-child(2){margin-top:44px;background:var(--ink);color:#fff}.quote:nth-child(3){margin-top:12px}.quote p{font-size:18px;line-height:1.7;margin:0 0 20px}.quote small{color:var(--ink-soft)}.quote:nth-child(2) small{color:#cfc5ba}.quote-label{display:inline-block;font-size:12px;color:var(--coral-dark);font-weight:800;margin-bottom:13px}
    .security{padding:86px 0}.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}.security-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.security-item{padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.shield{display:grid;place-items:center;width:34px;height:34px;background:#f1ddd5;color:var(--coral-dark);border-radius:9px;font-weight:900}.security-item h3{font-size:17px;margin:13px 0 5px}.security-item p{margin:0;color:var(--ink-soft);font-size:13px}
    .quick{background:#f0e9df;padding:75px 0}.quick-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:54px}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{padding:18px 0;background:transparent!important;box-shadow:none!important;color:var(--ink)!important;font-weight:800}.accordion-body{padding:0 0 18px;color:var(--ink-soft);font-size:14px}
    .mobile-entry{padding:84px 0}.mobile-box{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--coral);color:#fff;border-radius:var(--radius-lg);padding:42px 48px;overflow:hidden}.mobile-box p{color:#f8ddd7}.mobile-box .btn-quiet{border-color:rgba(255,255,255,.45);color:#fff}.mobile-box .btn-quiet:hover{background:#fff;color:var(--coral-dark)}.entry-lines{display:grid;gap:10px}.entry-lines a{display:flex;justify-content:space-between;padding:13px 15px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:9px}.entry-lines a:hover{background:#fff;color:var(--coral-dark);transform:translateX(4px)}
    .final-cta{padding:75px 0 90px;text-align:center}.final-cta h2{font-size:clamp(30px,4vw,48px);margin:12px 0}.final-cta p{color:var(--ink-soft);margin:0 auto 24px;max-width:560px}
    footer{background:var(--ink);color:#fff;padding:46px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid #544d46}.footer-brand{margin-bottom:12px}.footer-copy{color:#bdb3a8;font-size:13px;max-width:320px}.footer-title{font-size:14px;margin:0 0 14px;color:#fff}.footer-links{display:grid;gap:7px;color:#bdb3a8;font-size:13px}.footer-links a:hover{color:#fff}.copyright{padding-top:20px;color:#91877d;font-size:12px;display:flex;justify-content:space-between;gap:12px}
    @media(max-width:992px){.hero-grid{gap:35px}.explore-layout{grid-template-columns:190px 1fr}.result-layout{gap:35px}.preview-rail{grid-template-columns:1fr}.security-grid,.quick-grid{grid-template-columns:1fr}}
    @media(max-width:768px){.container{width:min(var(--max),calc(100% - 28px))}.site-header{padding:14px 0}.nav-wrap{flex-wrap:wrap}.nav-links{order:3;width:100%;overflow-x:auto;justify-content:flex-start;margin:0}.nav-search{margin-left:auto}.hero{padding:50px 0 62px}.hero-grid{grid-template-columns:1fr}.hero-panel{min-height:310px}.obstacle-track{grid-template-columns:1fr}.obstacle{border-right:0;border-bottom:1px solid var(--line)}.obstacle:nth-child(2){transform:none}.section{padding:68px 0}.explore-layout,.result-layout{grid-template-columns:1fr}.index-list{display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid #625b54}.index-list a{white-space:nowrap;border-left:0;border-bottom:3px solid transparent}.index-list a:hover,.index-list a.active{border-bottom-color:var(--amber)}.quote-grid{grid-template-columns:1fr}.quote:nth-child(2),.quote:nth-child(3){margin-top:0}.security-list{grid-template-columns:1fr}.mobile-box{grid-template-columns:1fr;padding:30px 24px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.brand{font-size:16px}.nav-search{width:100%;order:2}.nav-search input{width:100%}.hero h1{font-size:42px}.hero-lead{font-size:16px}.hero-actions .btn-main,.hero-actions .btn-quiet{width:100%}.hero-points{gap:18px}.big-count{font-size:78px}.update-item{grid-template-columns:60px 1fr auto;gap:10px}.update-item h3{font-size:15px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: category1 */
:root{
      --ink:#272523;
      --ink-soft:#5e5851;
      --paper:#f8f4ed;
      --paper-deep:#eee6da;
      --card:#fffdf9;
      --line:#ddd2c4;
      --coral:#c86455;
      --coral-dark:#9f493e;
      --amber:#d59b4c;
      --sage:#87927b;
      --shadow:0 18px 42px rgba(57,43,31,.10);
      --shadow-small:0 8px 22px rgba(57,43,31,.08);
      --radius:14px;
      --radius-lg:24px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
    a:hover{color:var(--coral-dark)}
    button,input{font:inherit}
    button{cursor:pointer}
    img{max-width:100%;display:block}
    .container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
    .visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
    .site-header{position:relative;z-index:5;padding:20px 0;background:rgba(248,244,237,.94);border-bottom:1px solid rgba(221,210,196,.8)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;white-space:nowrap}
    .brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:10px;position:relative}
    .brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid var(--amber);margin-left:3px}
    .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
    .nav-links a{padding:8px 14px;border-radius:9px;color:var(--ink-soft);font-size:14px;font-weight:700}
    .nav-links a:hover,.nav-links a.active{background:var(--ink);color:#fff}
    .nav-search{display:flex;align-items:center;gap:8px;padding:5px 5px 5px 14px;background:#fff;border:1px solid var(--line);border-radius:10px}
    .nav-search input{width:120px;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
    .nav-search button{border:0;border-radius:7px;background:var(--coral);color:#fff;padding:6px 11px;font-size:13px;font-weight:700}
    .nav-search button:hover{background:var(--coral-dark)}
    .nav-search:focus-within{border-color:var(--coral);box-shadow:0 0 0 3px rgba(200,100,85,.14)}
    .breadcrumb-wrap{padding:28px 0 0}
    .breadcrumb{margin:0;font-size:13px;color:var(--ink-soft)}
    .breadcrumb-item+.breadcrumb-item:before{color:var(--coral)}
    .intro{padding:54px 0 68px}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1{margin:16px 0 18px;font-size:clamp(40px,6vw,70px);line-height:1.12;letter-spacing:-.065em}
    .intro h1 span{color:var(--coral)}
    .lead{max-width:650px;margin:0;color:var(--ink-soft);font-size:18px;line-height:1.9}
    .search-card{padding:24px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .search-card h2{margin:0 0 8px;font-size:20px}
    .search-card p{margin:0 0 18px;color:#d6cbc0;font-size:13px}
    .big-search{display:flex;gap:8px;padding:6px;background:#fff;border-radius:11px}
    .big-search input{min-width:0;flex:1;border:0;outline:0;padding:8px 10px;color:var(--ink);background:transparent}
    .big-search button{border:0;border-radius:8px;padding:8px 14px;background:var(--coral);color:#fff;font-weight:800}
    .big-search button:hover{background:var(--amber);color:var(--ink)}
    .filter-section{padding:0 0 72px}
    .filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:17px 20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
    .filter-label{margin-right:8px;font-size:13px;font-weight:800;color:var(--ink-soft)}
    .filter-tag{border:1px solid var(--line);background:transparent;color:var(--ink-soft);border-radius:30px;padding:6px 14px;font-size:13px;transition:.2s}
    .filter-tag:hover,.filter-tag.active{background:var(--amber);border-color:var(--amber);color:var(--ink)}
    .filter-tag:focus-visible,.btn-main:focus-visible,.btn-quiet:focus-visible,.nav-links a:focus-visible{outline:3px solid rgba(200,100,85,.42);outline-offset:3px}
    .filter-clear{margin-left:auto;border:0;background:none;color:var(--coral-dark);font-size:13px;font-weight:700}
    .content-section{padding:0 0 96px}
    .section-head{max-width:680px;margin-bottom:35px}
    .section-head h2{margin:12px 0 14px;font-size:clamp(28px,4vw,46px);line-height:1.2;letter-spacing:-.04em}
    .section-head p{margin:0;color:var(--ink-soft)}
    .topic-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:start}
    .feature-card{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:30px;min-height:460px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .feature-card:after{content:"";position:absolute;width:260px;height:260px;right:-100px;bottom:-90px;border:1px solid rgba(255,255,255,.25);border-radius:50%;box-shadow:0 0 0 30px rgba(255,255,255,.04),0 0 0 64px rgba(255,255,255,.03)}
    .cover-art{height:190px;margin:-30px -30px 25px;background:linear-gradient(135deg,#51483e 0%,#846553 44%,#c86455 100%);position:relative;overflow:hidden}
    .cover-art:before,.cover-art:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.32);border-radius:50%}
    .cover-art:before{width:230px;height:230px;right:-30px;top:-80px}
    .cover-art:after{width:130px;height:130px;left:34px;bottom:-70px}
    .play-dot{position:absolute;left:28px;bottom:25px;width:46px;height:46px;border-radius:50%;background:#fff;display:grid;place-items:center}
    .play-dot:after{content:"";margin-left:4px;border-top:8px solid transparent;border-bottom:8px solid transparent;border-left:12px solid var(--coral)}
    .feature-card h3{font-size:25px;line-height:1.35;margin:0 0 12px;position:relative;z-index:1}
    .feature-card p{color:#d8cec3;font-size:14px;margin:0 0 22px;position:relative;z-index:1}
    .feature-meta{display:flex;gap:9px;flex-wrap:wrap;position:relative;z-index:1}
    .dark-tag{border:1px solid #6c6258;color:#d8cec3;border-radius:30px;padding:5px 11px;font-size:12px}
    .index-stack{display:grid;gap:12px}
    .topic-item{display:grid;grid-template-columns:74px 1fr auto;gap:18px;align-items:center;padding:19px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);transition:.2s}
    .topic-item:hover{transform:translateX(5px);border-color:var(--coral);box-shadow:var(--shadow-small)}
    .topic-no{font-size:27px;font-weight:900;color:var(--coral)}
    .topic-item h3{margin:0 0 4px;font-size:18px}
    .topic-item p{margin:0;color:var(--ink-soft);font-size:13px;line-height:1.65}
    .topic-arrow{font-size:22px;color:var(--coral)}
    .status{display:inline-block;margin-top:7px;color:var(--sage);font-size:12px;font-weight:800}
    .route-section{padding:80px 0;background:var(--paper-deep)}
    .route-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .route-step{padding:28px 28px 30px;border-right:1px solid var(--line);position:relative}
    .route-step:last-child{border-right:0}
    .route-step strong{display:block;color:var(--coral);font-size:13px;margin-bottom:12px}
    .route-step h3{font-size:21px;margin:0 0 9px}
    .route-step p{margin:0;color:var(--ink-soft);font-size:14px}
    .faq-section{padding:92px 0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}
    .faq-layout h2{margin:12px 0;font-size:clamp(28px,4vw,44px);line-height:1.2}
    .faq-layout>div>p{color:var(--ink-soft)}
    .faq-list details{border-bottom:1px solid var(--line);padding:18px 0}
    .faq-list summary{cursor:pointer;font-weight:800;list-style:none;padding-right:30px;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--coral);font-size:22px;line-height:1}
    .faq-list details[open] summary:after{content:"−"}
    .faq-list p{margin:12px 0 0;color:var(--ink-soft);font-size:14px}
    .cta-section{padding:0 0 88px}
    .cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:38px 44px;background:var(--coral);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
    .cta-box h2{margin:0 0 7px;font-size:30px;line-height:1.3}
    .cta-box p{margin:0;color:#f9ded9;font-size:14px}
    .btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 19px;border-radius:10px;font-weight:800;border:1px solid transparent}
    .cta-box .btn-main{background:#fff;color:var(--coral-dark);box-shadow:none;white-space:nowrap}
    .cta-box .btn-main:hover{background:var(--amber);color:var(--ink)}
    footer{padding:52px 0 24px;background:var(--ink);color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .8fr;gap:50px}
    .footer-brand{color:#fff}
    .footer-copy{max-width:360px;margin:16px 0 0;color:#c7bdb2;font-size:13px}
    .footer-title{font-size:14px;margin:4px 0 15px;color:#fff}
    .footer-links{display:grid;gap:8px;color:#bdb3a8;font-size:13px}
    .footer-links a:hover{color:var(--amber)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #4d4741;margin-top:42px;padding-top:20px;color:#9f978e;font-size:12px}
    @media (max-width:1024px){
      .intro-grid,.topic-layout,.faq-layout{gap:35px}
      .nav-wrap{gap:12px}
      .nav-search input{width:95px}
    }
    @media (max-width:768px){
      .container{width:min(var(--max),calc(100% - 30px))}
      .nav-wrap{flex-wrap:wrap}
      .brand{font-size:17px}
      .nav-links{order:3;width:100%;margin:0;justify-content:flex-start;overflow-x:auto}
      .nav-search{margin-left:auto}
      .intro{padding:42px 0 54px}
      .intro-grid,.topic-layout,.faq-layout{grid-template-columns:1fr}
      .intro-grid{gap:35px}
      .topic-layout{gap:20px}
      .feature-card{min-height:390px}
      .route-grid{grid-template-columns:1fr}
      .route-step{border-right:0;border-bottom:1px solid var(--line)}
      .route-step:last-child{border-bottom:0}
      .cta-box{align-items:flex-start;flex-direction:column;padding:32px 28px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      h1{font-size:42px}
      .nav-search{width:100%;order:2}
      .nav-search input{width:100%}
      .nav-links{order:3}
      .big-search{align-items:stretch;flex-direction:column}
      .big-search button{width:100%}
      .filter-bar{align-items:flex-start;padding:15px}
      .filter-clear{margin-left:0;width:100%;text-align:left}
      .topic-item{grid-template-columns:48px 1fr auto;gap:10px;padding:15px}
      .topic-no{font-size:21px}
      .topic-item h3{font-size:16px}
      .cover-art{height:155px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .copyright{align-items:flex-start;flex-direction:column;gap:7px}
    }

/* roulang page: category2 */
:root{
 --ink:#272523;
 --ink-soft:#5e5851;
 --paper:#f8f4ed;
 --paper-deep:#eee6da;
 --card:#fffdf9;
 --line:#ddd2c4;
 --coral:#c86455;
 --coral-dark:#9f493e;
 --amber:#d59b4c;
 --sage:#87927b;
 --shadow:0 18px 42px rgba(57,43,31,.10);
 --shadow-small:0 8px 22px rgba(57,43,31,.08);
 --radius:14px;
 --radius-lg:24px;
 --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.78}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--coral-dark)}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--coral)}
.site-header{position:relative;z-index:5;padding:20px 0;background:rgba(248,244,237,.95);border-bottom:1px solid rgba(221,210,196,.8)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:900;font-size:19px;white-space:nowrap}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;background:var(--ink);color:#fff;border-radius:10px;position:relative}
.brand-mark:after{content:"";width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:10px solid var(--amber);margin-left:3px}
.nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-links a{padding:8px 14px;border-radius:9px;color:var(--ink-soft);font-size:14px;font-weight:700}
.nav-links a:hover,.nav-links a.active{background:var(--ink);color:#fff}
.nav-search{display:flex;align-items:center;gap:8px;padding:5px 5px 5px 14px;background:#fff;border:1px solid var(--line);border-radius:10px}
.nav-search:focus-within{border-color:var(--coral);box-shadow:0 0 0 3px rgba(200,100,85,.13)}
.nav-search input{width:120px;border:0;outline:0;background:transparent;font-size:13px;color:var(--ink)}
.nav-search button{border:0;border-radius:7px;background:var(--coral);color:#fff;padding:6px 11px;font-size:13px;font-weight:700}
.nav-search button:hover{background:var(--coral-dark)}
.hero{padding:64px 0 54px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;right:-100px;top:-160px;width:500px;height:500px;border:1px solid rgba(200,100,85,.18);border-radius:50%;box-shadow:0 0 0 34px rgba(200,100,85,.04),0 0 0 70px rgba(200,100,85,.025)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:68px;align-items:end;position:relative}
.hero h1{margin:16px 0 18px;max-width:720px;font-size:clamp(40px,6vw,70px);line-height:1.15;letter-spacing:-.06em}
.hero h1 span{color:var(--coral)}
.hero-lead{max-width:650px;margin:0;color:var(--ink-soft);font-size:18px;line-height:1.9}
.hero-note{padding:24px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);position:relative}
.hero-note:after{content:"";position:absolute;right:20px;top:20px;width:58px;height:58px;border:1px solid rgba(255,255,255,.25);border-radius:50%}
.note-label{color:#e9bf7e;font-size:12px;font-weight:800;letter-spacing:.08em}
.hero-note h2{font-size:25px;line-height:1.35;margin:12px 0}
.hero-note p{margin:0;color:#cfc5ba;font-size:14px}
.search-panel{margin-top:34px;padding:9px;background:#fff;border:1px solid var(--line);border-radius:12px;display:flex;gap:8px;max-width:680px}
.search-panel input{flex:1;min-width:0;border:0;outline:0;padding:8px 12px;background:transparent;color:var(--ink)}
.search-panel:focus-within{border-color:var(--coral);box-shadow:0 0 0 4px rgba(200,100,85,.1)}
.btn-main,.btn-quiet{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:10px 19px;border-radius:10px;font-weight:800;border:1px solid transparent}
.btn-main{background:var(--coral);color:#fff;box-shadow:0 8px 16px rgba(200,100,85,.2)}
.btn-main:hover{background:var(--coral-dark);color:#fff;transform:translateY(-2px)}
.btn-quiet{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-quiet:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.section{padding:78px 0}
.section-head{max-width:700px;margin-bottom:36px}
.section-head h2{margin:12px 0 14px;font-size:clamp(28px,4vw,45px);line-height:1.2;letter-spacing:-.04em}
.section-head p{margin:0;color:var(--ink-soft)}
.breadcrumbs{padding:22px 0 0;color:var(--ink-soft);font-size:13px}
.breadcrumbs a{color:var(--coral-dark);font-weight:700}
.browse-layout{display:grid;grid-template-columns:245px 1fr;gap:46px;align-items:start}
.filter-rail{position:sticky;top:20px;padding:24px;background:var(--ink);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.filter-rail h2{margin:0 0 20px;font-size:20px}
.filter-label{display:block;margin:20px 0 8px;color:#d7ccc1;font-size:12px;font-weight:800}
.filter-list{display:grid;gap:7px}
.filter-btn{display:flex;justify-content:space-between;width:100%;padding:9px 11px;border:1px solid transparent;border-radius:8px;background:transparent;color:#cfc5ba;text-align:left;font-size:14px}
.filter-btn:hover,.filter-btn.active{background:rgba(255,255,255,.1);border-color:#8c8177;color:#fff}
.filter-btn.active:after{content:"已选";color:var(--amber);font-size:12px}
.clear-filter{margin-top:23px;padding:0;border:0;background:transparent;color:#e9bf7e;font-size:13px}
.clear-filter:hover{text-decoration:underline}
.stream-top{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}
.stream-top h2{margin:0;font-size:26px;line-height:1.3}
.stream-status{color:var(--ink-soft);font-size:13px}
.stream{border-top:1px solid var(--line)}
.stream-item{display:grid;grid-template-columns:72px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:padding .2s ease,background .2s ease}
.stream-item:hover{padding-left:12px;padding-right:12px;background:rgba(255,255,255,.5)}
.stream-number{font-size:28px;font-weight:900;color:var(--paper-deep);line-height:1}
.stream-item:hover .stream-number{color:var(--coral)}
.stream-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.stream-item h3{margin:0;font-size:19px;line-height:1.4}
.stream-item p{margin:5px 0 0;color:var(--ink-soft);font-size:14px;line-height:1.65}
.badge-soft,.badge-new{display:inline-flex;align-items:center;padding:4px 9px;border-radius:20px;font-size:12px;font-weight:800}
.badge-soft{background:var(--paper-deep);color:var(--ink-soft)}
.badge-new{background:#f4ddd7;color:var(--coral-dark)}
.stream-meta{text-align:right;color:var(--ink-soft);font-size:12px;white-space:nowrap}
.stream-meta a{display:block;margin-top:7px;color:var(--coral-dark);font-weight:800}
.stream-meta a:hover{color:var(--ink)}
.empty-state{display:none;padding:35px;text-align:center;border:1px dashed var(--line);color:var(--ink-soft)}
.topic-strip{background:var(--ink);color:#fff;padding:30px 34px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:space-between;gap:28px}
.topic-strip h2{margin:0 0 6px;font-size:24px}
.topic-strip p{margin:0;color:#cfc5ba;font-size:14px}
.topic-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px}
.topic-tags a{padding:7px 13px;border:1px solid #6d645b;border-radius:30px;color:#dfd2c5;font-size:13px}
.topic-tags a:hover{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.info-card{padding:28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-small)}
.info-card h3{margin:0 0 10px;font-size:20px}
.info-card p{margin:0;color:var(--ink-soft);font-size:14px}
.info-icon{width:36px;height:36px;display:grid;place-items:center;margin-bottom:19px;border-radius:10px;background:#f1dfd8;color:var(--coral-dark);font-weight:900}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-button{padding:18px 0;background:transparent!important;box-shadow:none!important;color:var(--ink)!important;font-weight:800}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(200,100,85,.12)!important}
.accordion-body{padding:0 0 18px;color:var(--ink-soft);font-size:14px}
.cta{padding:0 0 88px}
.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:39px 45px;background:var(--coral);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.cta-box h2{margin:0 0 8px;font-size:30px;line-height:1.3}
.cta-box p{margin:0;color:#f8ddd7;font-size:14px}
.cta-box .btn-quiet{background:#fff;color:var(--ink);border-color:#fff}
.cta-box .btn-quiet:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
footer{padding:54px 0 24px;background:var(--paper-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:50px}
.footer-brand{margin-bottom:15px}
.footer-copy{max-width:390px;margin:0;color:var(--ink-soft);font-size:14px}
.footer-title{margin:4px 0 14px;font-size:14px}
.footer-links{display:grid;gap:7px;color:var(--ink-soft);font-size:14px}
.footer-links a:hover{color:var(--coral-dark);padding-left:3px}
.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:45px;padding-top:18px;border-top:1px solid var(--line);color:#81776d;font-size:12px}
@media(max-width:1024px){
 .hero-grid{gap:38px}.browse-layout{gap:28px}.topic-strip{align-items:flex-start;flex-direction:column}.topic-tags{justify-content:flex-start}
}
@media(max-width:768px){
 .container{width:min(var(--max),calc(100% - 30px))}
 .nav-wrap{flex-wrap:wrap;gap:14px}.nav-links{order:3;width:100%;margin-left:0;overflow-x:auto}.nav-links a{white-space:nowrap}.nav-search{margin-left:auto}
 .hero{padding:48px 0 50px}.hero-grid,.browse-layout,.info-grid{grid-template-columns:1fr}.hero-note{max-width:560px}.filter-rail{position:static}
 .section{padding:60px 0}.stream-item{grid-template-columns:45px 1fr;gap:13px}.stream-meta{grid-column:2;text-align:left;display:flex;gap:14px;align-items:center}.stream-meta a{margin-top:0}
 .cta-box{align-items:flex-start;flex-direction:column;padding:32px 27px}.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{font-size:17px}.brand-mark{width:31px;height:31px}
 .nav-search{width:100%;order:2}.nav-search input{width:auto;flex:1}.hero h1{font-size:42px}.hero-lead{font-size:16px}.search-panel{margin-top:24px;flex-wrap:wrap}.search-panel input{flex-basis:100%}.search-panel .btn-main{width:100%}
 .filter-rail{padding:20px}.stream-top{align-items:flex-start;flex-direction:column;gap:7px}.stream-item h3{font-size:17px}.topic-strip{padding:27px 22px}.cta-box h2{font-size:25px}
 .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.copyright{align-items:flex-start;flex-direction:column;gap:5px;margin-top:30px}
}