/* roulang page: index */
:root{
      --bg:#071321;
      --bg-deep:#050d18;
      --panel:#0d2033;
      --panel-soft:rgba(17,42,65,.72);
      --panel-bright:#143451;
      --line:rgba(147,205,239,.16);
      --line-strong:rgba(91,211,255,.42);
      --text:#edf8ff;
      --muted:#93abc0;
      --blue:#42caff;
      --cyan:#8cecff;
      --violet:#8f9cff;
      --amber:#ffc979;
      --radius:20px;
      --shadow:0 20px 60px rgba(0,0,0,.28);
      --glow:0 0 28px rgba(66,202,255,.24);
      --side:248px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;line-height:1.75;overflow-x:hidden;
    }
    body::before{
      content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;
      background-image:linear-gradient(rgba(103,190,232,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(103,190,232,.05) 1px,transparent 1px);
      background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 80%);
    }
    a{color:var(--cyan);text-decoration:none;transition:.25s ease}
    a:hover{color:#fff}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid var(--amber);outline-offset:3px}
    .side-nav{
      position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);
      padding:30px 22px;background:rgba(5,15,27,.94);border-right:1px solid var(--line);
      backdrop-filter:blur(18px);display:flex;flex-direction:column;
    }
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;line-height:1.2;font-size:19px;letter-spacing:-.5px;margin-bottom:46px}
    .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(145deg,var(--cyan),var(--blue));position:relative;box-shadow:var(--glow)}
    .brand-mark::after{content:"";position:absolute;left:13px;top:9px;border-left:11px solid var(--bg-deep);border-top:8px solid transparent;border-bottom:8px solid transparent}
    .nav-group{margin-bottom:28px}
    .nav-caption{font-size:11px;color:#58738b;letter-spacing:2px;margin:0 10px 9px}
    .nav-link{
      display:flex;align-items:center;gap:11px;color:var(--muted);padding:11px 12px;border-radius:12px;margin:4px 0;font-size:14px;
    }
    .nav-link:hover{background:rgba(66,202,255,.08);color:#fff}
    .nav-link.active{background:linear-gradient(90deg,rgba(66,202,255,.18),rgba(66,202,255,.04));color:#fff;border-left:2px solid var(--blue);box-shadow:inset 0 0 20px rgba(66,202,255,.06)}
    .nav-dot{width:7px;height:7px;border-radius:50%;background:#47647a;box-shadow:0 0 0 4px rgba(71,100,122,.12)}
    .active .nav-dot{background:var(--blue);box-shadow:0 0 0 4px rgba(66,202,255,.13),0 0 12px var(--blue)}
    .side-note{margin-top:auto;padding:15px;border:1px solid var(--line);border-radius:15px;color:var(--muted);font-size:12px;background:rgba(12,34,53,.7)}
    .mobile-bar{display:none}
    .page{margin-left:var(--side);min-height:100vh}
    .topline{height:74px;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;border-bottom:1px solid rgba(147,205,239,.09);color:var(--muted);font-size:13px}
    .crumb{display:flex;align-items:center;gap:10px}.crumb b{color:var(--text);font-weight:500}
    .top-search{display:flex;align-items:center;gap:9px;color:var(--muted)}
    .mini-search{border:1px solid var(--line);border-radius:9px;background:rgba(12,31,48,.7);color:#fff;padding:8px 12px;width:190px;font-size:13px}
    .container{width:min(1280px,90%);margin:0 auto}
    section{padding:104px 0;position:relative}
    .hero{padding:86px 0 100px;overflow:hidden}
    .hero::after{content:"";position:absolute;width:560px;height:560px;right:-180px;top:-170px;border-radius:50%;background:rgba(49,174,232,.12);filter:blur(5px);pointer-events:none}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;letter-spacing:2px;margin-bottom:20px}
    .eyebrow::before{content:"";width:28px;height:1px;background:var(--blue);box-shadow:0 0 10px var(--blue)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.13;letter-spacing:-2px;margin-bottom:24px;max-width:760px}
    h2{font-size:clamp(28px,3.2vw,43px);line-height:1.2;letter-spacing:-1px;margin-bottom:17px}
    h3{font-size:20px;line-height:1.35;margin-bottom:9px}
    .lead{font-size:17px;color:var(--muted);max-width:690px;line-height:1.9}
    .hero-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#062033;box-shadow:0 0 25px rgba(66,202,255,.32)}
    .btn-primary:hover{color:#03111c;background:#a2efff;transform:translateY(-3px);box-shadow:0 0 34px rgba(66,202,255,.5)}
    .btn-primary:active{transform:translateY(1px)}
    .btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line-strong);color:#d8f5ff}
    .btn-ghost:hover{background:rgba(66,202,255,.1);border-color:var(--blue);transform:translateY(-2px)}
    .hero-facts{display:flex;gap:26px;margin-top:34px;color:var(--muted);font-size:13px}
    .hero-facts strong{display:block;color:#fff;font-size:21px;margin-bottom:2px}
    .coupon-stage{position:relative;min-height:380px;padding:25px;display:flex;align-items:center;justify-content:center}
    .coupon-stage::before{content:"";position:absolute;inset:20px;border:1px solid rgba(140,236,255,.16);border-radius:28px;transform:rotate(3deg)}
    .coupon-card{position:relative;width:min(410px,100%);padding:30px;background:linear-gradient(135deg,#183a58,#0b1c31);border:1px solid var(--line-strong);border-radius:22px;box-shadow:var(--shadow),var(--glow);transform:rotate(-3deg)}
    .coupon-card::before,.coupon-card::after{content:"";position:absolute;top:50%;width:20px;height:20px;background:var(--bg);border-radius:50%;transform:translateY(-50%)}
    .coupon-card::before{left:-11px}.coupon-card::after{right:-11px}
    .coupon-top{display:flex;justify-content:space-between;color:var(--cyan);font-size:12px;letter-spacing:1px}
    .coupon-card h2{font-size:32px;margin:28px 0 9px}.coupon-card p{color:var(--muted);font-size:14px;margin-bottom:24px}
    .coupon-line{height:1px;border-top:1px dashed rgba(164,223,245,.35);margin:20px 0}
    .coupon-meta{display:flex;justify-content:space-between;color:#b7d2e1;font-size:12px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head p{max-width:560px;color:var(--muted);margin-bottom:0}
    .story{background:rgba(8,24,39,.7);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .story-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
    .story-copy p{color:var(--muted);font-size:16px}
    .story-sign{color:var(--cyan);font-size:13px;margin-top:25px}
    .path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--panel-soft)}
    .path-item{padding:27px 22px;min-height:172px;border-right:1px solid var(--line);position:relative}
    .path-item:last-child{border:0}.path-num{color:var(--blue);font-size:13px;letter-spacing:2px}.path-item h3{margin-top:23px}.path-item p{color:var(--muted);font-size:13px;line-height:1.7}
    .content-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px}
    .content-card{position:relative;min-height:270px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#0c2034;transition:.3s}
    .content-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
    .cover{height:150px;background:linear-gradient(135deg,#183e5b,#101e3d 55%,#2a2551);position:relative;overflow:hidden}
    .cover::after{content:"HD";position:absolute;right:18px;top:17px;color:rgba(255,255,255,.32);font-size:44px;font-weight:900;letter-spacing:3px}
    .cover.alt{background:linear-gradient(135deg,#29445d,#182b45 55%,#40335a)}
    .cover.warm{background:linear-gradient(135deg,#4a4050,#172c46 63%,#936947)}
    .card-body{padding:18px 20px}.card-body h3{font-size:18px}.card-body p{color:var(--muted);font-size:13px;margin:0 0 12px}
    .tags{display:flex;gap:7px;flex-wrap:wrap}.tag{font-size:11px;color:#bcefff;background:rgba(66,202,255,.1);border:1px solid rgba(66,202,255,.2);padding:3px 8px;border-radius:20px}.tag.warm{color:#ffda9c;background:rgba(255,201,121,.09);border-color:rgba(255,201,121,.25)}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.quote{padding:25px;border:1px solid var(--line);border-radius:18px;background:var(--panel-soft);color:#d8e9f4}.quote p{font-size:15px;line-height:1.8}.quote small{color:var(--cyan)}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.metric{padding:24px;border-radius:16px;background:rgba(13,32,51,.75);border:1px solid var(--line)}.metric strong{display:block;font-size:28px;color:#fff}.metric span{font-size:13px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1fr .72fr;gap:25px}.news-list,.feature-news{border:1px solid var(--line);border-radius:20px;background:var(--panel-soft);padding:12px 25px}
    .news-item{display:flex;justify-content:space-between;gap:25px;padding:18px 0;border-bottom:1px solid var(--line);color:#e8f7ff}.news-item:last-child{border:0}.news-item span{color:var(--muted);font-size:12px;white-space:nowrap}.feature-news{padding:28px}.feature-label{color:var(--amber);font-size:12px}.feature-news h3{font-size:25px;margin:22px 0 13px}.feature-news p{color:var(--muted);font-size:14px}
    .faq{max-width:900px;margin:auto}.accordion{background:transparent;margin:0}.accordion-item{background:var(--panel-soft);border:1px solid var(--line);margin-bottom:10px;border-radius:13px;overflow:hidden}.accordion-title{color:#eaf9ff;border:0!important;padding:19px 22px;font-size:15px;background:transparent}.accordion-title:hover{background:rgba(66,202,255,.06)}.accordion-content{background:rgba(3,14,25,.35);border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:18px 22px}
    .cta{padding:70px 0}.cta-box{padding:48px 55px;border:1px solid var(--line-strong);border-radius:24px;background:linear-gradient(105deg,rgba(25,65,94,.8),rgba(13,29,54,.75));display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}.cta-box p{color:#b8d1df;max-width:650px;margin:0}.cta-box h2{margin-bottom:10px}
    footer{padding:45px 0 28px;border-top:1px solid var(--line);background:rgba(4,13,23,.72)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}.footer-brand{font-size:18px;font-weight:800;color:#fff}.footer-text{color:var(--muted);font-size:13px;max-width:340px}.footer-title{font-size:12px;color:#7192aa;letter-spacing:1px;margin-bottom:13px}.footer-links a{display:block;color:var(--muted);font-size:13px;margin:7px 0}.copyright{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;color:#668097;font-size:12px;display:flex;justify-content:space-between}
    .empty{color:var(--muted);padding:20px;border:1px dashed var(--line);border-radius:12px}.loading{position:relative;overflow:hidden}.loading::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.07),transparent);animation:shine 1.7s infinite}@keyframes shine{to{transform:translateX(100%)}}
    @media(max-width:1024px){:root{--side:210px}.hero-layout,.story-grid{gap:35px}.path{grid-template-columns:repeat(2,1fr)}.path-item:nth-child(2){border-right:0}.path-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.metrics{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.side-nav{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;height:68px;padding:0 5%;align-items:center;justify-content:space-between;background:rgba(5,15,27,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.mobile-bar .brand{margin:0;font-size:16px}.mobile-menu{border:1px solid var(--line-strong);background:transparent;color:#fff;border-radius:9px;padding:8px 12px}.page{margin-left:0}.topline{height:58px;padding:0 5%}.top-search{display:none}section{padding:75px 0}.hero{padding-top:65px}.hero-layout,.story-grid,.content-grid,.news-layout{grid-template-columns:1fr}.coupon-stage{min-height:320px}.section-head{display:block}.section-head p{margin-top:15px}.quote-grid{grid-template-columns:1fr}.cta-box{display:block;padding:35px 28px}.cta-box .actions{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
    @media(max-width:480px){h1{font-size:36px;letter-spacing:-1px}.lead{font-size:15px}.hero-facts{gap:15px;flex-wrap:wrap}.hero-facts strong{font-size:18px}.path{grid-template-columns:1fr}.path-item{border-right:0!important;border-bottom:1px solid var(--line)}.path-item:last-child{border-bottom:0}.metrics{grid-template-columns:1fr 1fr}.metric{padding:17px}.metric strong{font-size:23px}.footer-grid{grid-template-columns:1fr}.news-item{display:block}.news-item span{display:block;margin-top:5px}.actions .btn{width:100%}.coupon-card{padding:24px}.coupon-card h2{font-size:27px}}

/* roulang page: category1 */
:root{--bg:#071321;--deep:#050d18;--panel:#0d2033;--soft:rgba(17,42,65,.78);--line:rgba(147,205,239,.16);--strong:rgba(91,211,255,.45);--text:#edf8ff;--muted:#93abc0;--blue:#42caff;--cyan:#8cecff;--violet:#8f9cff;--amber:#ffc979;--radius:20px;--shadow:0 20px 60px rgba(0,0,0,.3);--glow:0 0 28px rgba(66,202,255,.24);--side:230px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.24;background-image:linear-gradient(rgba(103,190,232,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(103,190,232,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(#000,transparent 82%)}a{color:var(--cyan);text-decoration:none;transition:.25s}a:hover{color:#fff}img{display:block;max-width:100%}button,input{font:inherit}.side-nav{position:fixed;z-index:20;inset:0 auto 0 0;width:var(--side);padding:30px 22px;background:rgba(5,15,27,.95);border-right:1px solid var(--line);backdrop-filter:blur(18px);display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;line-height:1.25;margin-bottom:44px}.brand-mark{width:34px;height:34px;flex:none;border-radius:11px;background:linear-gradient(145deg,var(--cyan),var(--blue));position:relative;box-shadow:var(--glow)}.brand-mark:after{content:"";position:absolute;left:13px;top:9px;border-left:11px solid var(--deep);border-top:8px solid transparent;border-bottom:8px solid transparent}.nav-group{margin-bottom:28px}.nav-caption{margin:0 10px 9px;color:#58738b;font-size:11px;letter-spacing:2px}.nav-link{display:flex;align-items:center;gap:11px;margin:4px 0;padding:11px 12px;border-radius:12px;color:var(--muted);font-size:14px}.nav-link:hover{background:rgba(66,202,255,.08);color:#fff}.nav-link.active{background:linear-gradient(90deg,rgba(66,202,255,.18),rgba(66,202,255,.04));color:#fff;border-left:2px solid var(--blue);box-shadow:inset 0 0 20px rgba(66,202,255,.06)}.nav-dot{width:7px;height:7px;border-radius:50%;background:#47647a}.active .nav-dot{background:var(--blue);box-shadow:0 0 0 4px rgba(66,202,255,.13),0 0 12px var(--blue)}.side-note{margin-top:auto;padding:16px;border:1px solid var(--line);border-radius:15px;background:rgba(18,43,66,.45);color:var(--muted);font-size:12px}.main{margin-left:var(--side);min-height:100vh}.container{width:min(1280px,90%);margin:auto}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px}.crumbs span{color:var(--cyan)}.search{display:flex;gap:8px;align-items:center}.search input{width:220px;padding:9px 13px;border-radius:10px;border:1px solid var(--line);background:rgba(12,31,48,.7);color:#fff;outline:0}.search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(66,202,255,.12)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s}.btn-primary{background:var(--blue);color:#062033;box-shadow:0 0 25px rgba(66,202,255,.3)}.btn-primary:hover{color:#03111c;background:#a2efff;transform:translateY(-3px);box-shadow:0 0 34px rgba(66,202,255,.5)}.btn-primary:active{transform:translateY(1px)}.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--strong);color:#d8f5ff}.btn-ghost:hover{background:rgba(66,202,255,.1);border-color:var(--blue);transform:translateY(-2px)}.hero{padding:72px 0 55px}.hero-banner{padding:38px 44px;border:1px solid var(--strong);border-radius:24px;background:linear-gradient(110deg,rgba(20,52,81,.95),rgba(10,28,48,.72));box-shadow:var(--shadow);position:relative;overflow:hidden}.hero-banner:after{content:"";position:absolute;width:300px;height:300px;right:-90px;top:-100px;border-radius:50%;background:rgba(66,202,255,.14);filter:blur(8px)}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px}.hero h1{max-width:780px;margin:13px 0 15px;font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-2px}.lead{max-width:760px;color:var(--muted);font-size:17px}..hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.section{padding:55px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:27px}.section-head h2{margin:0;font-size:32px;line-height:1.25}.section-head p{max-width:550px;margin:0;color:var(--muted);font-size:14px}.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px 18px;border:1px solid var(--line);border-radius:16px;background:var(--soft);margin-bottom:26px}.filter-label{color:var(--muted);font-size:13px}.filter{padding:7px 13px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.025)}.filter:hover,.filter.selected{color:#062033;background:var(--cyan);border-color:var(--cyan)}.story-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.story-card{display:grid;grid-template-columns:190px 1fr;min-height:210px;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--soft);transition:.3s}.story-card:hover{transform:translateY(-5px);border-color:var(--strong);box-shadow:var(--glow)}.cover{min-height:210px;background:linear-gradient(145deg,#1a4566,#0b182b);position:relative}.cover:before{content:"清晰画面";position:absolute;left:16px;top:16px;padding:4px 8px;border-radius:6px;background:rgba(5,13,24,.75);color:var(--cyan);font-size:11px}.cover:after{content:"";position:absolute;width:44px;height:44px;left:50%;top:50%;transform:translate(-50%,-50%);border:1px solid rgba(140,236,255,.5);border-radius:50%;box-shadow:0 0 20px rgba(66,202,255,.2)}.story-content{padding:22px}.story-content h3{margin:0 0 8px;font-size:21px}.story-content p{margin:0 0 15px;color:var(--muted);font-size:13px}.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{padding:3px 8px;border-radius:6px;color:#bcefff;background:rgba(66,202,255,.1);border:1px solid rgba(66,202,255,.2);font-size:11px}.tag.warm{color:var(--amber);background:rgba(255,201,121,.08);border-color:rgba(255,201,121,.2)}.compact-list{display:grid;gap:12px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 18px;border:1px solid var(--line);border-radius:15px;background:rgba(14,34,53,.68);transition:.25s}.list-item:hover{border-color:var(--strong);background:rgba(19,52,79,.8)}.list-title{font-weight:700}.list-meta{color:var(--muted);font-size:12px}.status{color:var(--cyan);font-size:12px;white-space:nowrap}.info-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{padding:22px;border:1px solid var(--line);border-radius:16px;background:rgba(13,32,51,.7)}.stat strong{display:block;color:#fff;font-size:28px;line-height:1.2}.stat span{color:var(--muted);font-size:13px}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px}.faq-grid h2{margin-top:0;font-size:32px}.accordion{margin:0;background:transparent}.accordion-item{border:1px solid var(--line)!important;border-radius:12px!important;margin-bottom:10px;overflow:hidden;background:var(--soft)}.accordion-title{color:#dff8ff!important;border:0!important;background:transparent!important;font-size:15px;padding:17px 20px}.accordion-title:hover{background:rgba(66,202,255,.06)!important}.accordion-content{border:0!important;background:rgba(4,16,28,.4)!important;color:var(--muted);font-size:14px;padding:0 20px 17px}.cta{padding:42px;border:1px solid var(--strong);border-radius:22px;background:linear-gradient(105deg,rgba(23,61,91,.9),rgba(10,29,48,.85));display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{margin:0 0 7px;font-size:29px}.cta p{margin:0;color:var(--muted)}footer{margin-top:55px;padding:52px 0 22px;border-top:1px solid var(--line);background:rgba(4,13,23,.5)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{font-size:20px;font-weight:800}.footer-text{max-width:320px;color:var(--muted);font-size:13px}.footer-title{margin-bottom:12px;color:#fff;font-weight:700}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a{color:var(--muted)}.footer-links a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:15px;margin-top:42px;padding-top:17px;border-top:1px solid var(--line);color:#60788d;font-size:12px}.mobile-bar{display:none}
:focus-visible{outline:3px solid rgba(140,236,255,.7);outline-offset:3px}
@media(max-width:1024px){:root{--side:205px}.story-grid{grid-template-columns:1fr}.hero{padding-top:50px}.info-strip{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.side-nav{display:none}.main{margin-left:0}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;align-items:center;justify-content:space-between;padding:14px 5%;background:rgba(5,15,27,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.mobile-brand{color:#fff;font-weight:800}.menu-button{padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--cyan)}.mobile-menu{display:none;padding:10px 5%;background:#081a2b;border-bottom:1px solid var(--line)}.mobile-menu.open{display:grid}.mobile-menu a{padding:10px;color:var(--muted)}.topbar{height:62px}.search input{width:150px}.hero-banner{padding:28px 24px}.section{padding:42px 0}.faq-grid{grid-template-columns:1fr;gap:15px}.cta{display:block;padding:28px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.container{width:90%}.topbar{align-items:flex-start;padding:15px 0;height:auto;gap:12px;flex-direction:column}.search{width:100%}.search input{width:100%}.hero h1{font-size:35px;letter-spacing:-1px}.lead{font-size:15px}.story-card{grid-template-columns:1fr}.cover{min-height:145px}.info-strip{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:8px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: category2 */
:root{
      --bg:#071321;--bg-deep:#050d18;--panel:#0d2033;--panel-soft:rgba(17,42,65,.72);
      --panel-bright:#143451;--line:rgba(147,205,239,.16);--line-strong:rgba(91,211,255,.42);
      --text:#edf8ff;--muted:#93abc0;--blue:#42caff;--cyan:#8cecff;--violet:#8f9cff;
      --amber:#ffc979;--green:#7de4c1;--radius:20px;--shadow:0 20px 60px rgba(0,0,0,.28);
      --glow:0 0 28px rgba(66,202,255,.24);--side:210px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
    body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:linear-gradient(rgba(103,190,232,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(103,190,232,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,black,transparent 80%)}
    h1,h2,h3,h4,p{margin-top:0}h1,h2,h3,h4{line-height:1.25;letter-spacing:-.025em}h1{font-size:clamp(34px,4.6vw,58px);margin-bottom:20px}h2{font-size:clamp(28px,3.2vw,42px);margin-bottom:14px}h3{font-size:20px;margin-bottom:8px}
    a{color:var(--cyan);text-decoration:none;transition:.25s ease}a:hover{color:#fff}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}
    .container{width:min(1280px,90%);margin:0 auto}.main{margin-left:var(--side);min-height:100vh}.page-wrap{width:min(1280px,90%);margin:auto}
    .side-nav{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--side);padding:30px 22px;background:rgba(5,15,27,.94);border-right:1px solid var(--line);backdrop-filter:blur(18px);display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;line-height:1.2;font-size:18px;letter-spacing:-.5px;margin-bottom:46px}.brand-mark{width:34px;height:34px;flex:none;border-radius:11px;background:linear-gradient(145deg,var(--cyan),var(--blue));position:relative;box-shadow:var(--glow)}.brand-mark:after{content:"";position:absolute;left:13px;top:9px;border-left:11px solid var(--bg-deep);border-top:8px solid transparent;border-bottom:8px solid transparent}
    .nav-group{margin-bottom:28px}.nav-caption{font-size:11px;color:#58738b;letter-spacing:2px;margin:0 10px 9px}.nav-link{display:flex;align-items:center;gap:11px;color:var(--muted);padding:11px 12px;border-radius:12px;margin:4px 0;font-size:14px}.nav-link:hover{background:rgba(66,202,255,.08);color:#fff}.nav-link.active{background:linear-gradient(90deg,rgba(66,202,255,.18),rgba(66,202,255,.04));color:#fff;border-left:2px solid var(--blue);box-shadow:inset 0 0 20px rgba(66,202,255,.06)}.nav-dot{width:7px;height:7px;border-radius:50%;background:#47647a;box-shadow:0 0 0 4px rgba(71,100,122,.12)}.active .nav-dot{background:var(--blue);box-shadow:0 0 0 4px rgba(66,202,255,.13),0 0 12px var(--blue)}
    .mobile-bar{display:none}.topbar{padding:28px 0 0;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px}.crumbs{display:flex;gap:10px;align-items:center}.crumbs span{color:#5e7a90}.top-search{display:flex;align-items:center;gap:9px}.mini-search{border:1px solid var(--line);border-radius:9px;background:rgba(12,31,48,.7);color:#fff;padding:8px 12px;width:190px;font-size:13px;outline:none}.mini-search:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(66,202,255,.12)}
    section{padding:92px 0;position:relative}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px;letter-spacing:2px;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:1px;background:var(--blue);box-shadow:0 0 10px var(--blue)}.lead{font-size:17px;color:var(--muted);max-width:720px;line-height:1.9}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:12px;border:1px solid transparent;font-size:14px;font-weight:700;transition:.25s ease}.btn-primary{background:var(--blue);color:#062033;box-shadow:0 0 25px rgba(66,202,255,.32)}.btn-primary:hover{color:#03111c;background:#a2efff;transform:translateY(-3px);box-shadow:0 0 34px rgba(66,202,255,.5)}.btn-primary:active{transform:translateY(1px)}.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line-strong);color:#d8f5ff}.btn-ghost:hover{background:rgba(66,202,255,.1);border-color:var(--blue);transform:translateY(-2px)}.btn:focus,.nav-link:focus,.faq-question:focus{outline:3px solid rgba(140,236,255,.3);outline-offset:3px}
    .category-hero{padding:55px 0 72px}.banner{position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;gap:35px;align-items:center;padding:48px;border:1px solid var(--line-strong);border-radius:26px;background:linear-gradient(120deg,rgba(19,54,82,.96),rgba(9,26,44,.9));box-shadow:var(--shadow)}.banner:after{content:"";position:absolute;width:380px;height:380px;right:-100px;top:-160px;border-radius:50%;background:rgba(66,202,255,.13);filter:blur(8px)}.banner-copy,.signal-panel{position:relative;z-index:1}.banner h1{max-width:680px}.banner-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.signal-panel{padding:23px;border:1px solid var(--line);border-radius:18px;background:rgba(4,16,29,.57)}.signal-title{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);padding-bottom:16px;border-bottom:1px solid var(--line)}.signal-row{display:flex;justify-content:space-between;gap:18px;padding:15px 0;border-bottom:1px solid rgba(147,205,239,.1);font-size:14px}.signal-row:last-child{border:0;padding-bottom:0}.signal-row strong{color:#fff}.status{color:var(--green);font-size:12px}.bar{height:5px;margin-top:7px;border-radius:5px;background:#18374e;overflow:hidden}.bar i{display:block;height:100%;width:88%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:5px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:32px}.section-head p{max-width:560px;color:var(--muted);margin-bottom:0}.workspace{display:grid;grid-template-columns:245px 1fr;gap:24px;align-items:start}.filter-panel,.flow-card,.quote-card,.faq-box,.cta-box{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-soft);box-shadow:var(--shadow)}.filter-panel{padding:23px;position:sticky;top:25px}.filter-title{font-size:16px;font-weight:700;padding-bottom:17px;margin-bottom:17px;border-bottom:1px solid var(--line)}.filter-block{margin-bottom:23px}.filter-label{display:block;color:#6e8ba1;font-size:12px;margin-bottom:9px}.filter-option{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:9px;color:var(--muted);font-size:13px}.filter-option:hover,.filter-option.selected{background:rgba(66,202,255,.11);color:#fff}.filter-option.selected{border-left:2px solid var(--blue)}.count{font-size:11px;color:#668399}
    .flow-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.result-note{font-size:13px;color:var(--muted)}.sort-select{background:#0b1c2f;color:#dff7ff;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:13px}.flow-list{display:grid;gap:13px}.flow-card{display:grid;grid-template-columns:160px 1fr auto;gap:20px;align-items:center;padding:15px;transition:.28s}.flow-card:hover{transform:translateX(4px);border-color:var(--line-strong);box-shadow:var(--glow)}.cover{height:105px;border-radius:13px;position:relative;overflow:hidden;background:linear-gradient(135deg,#204f6a,#10263b)}.cover:before{content:"";position:absolute;inset:0;background:linear-gradient(145deg,rgba(140,236,255,.28),transparent 48%),radial-gradient(circle at 75% 30%,rgba(255,201,121,.35),transparent 18%)}.cover:after{content:"记录";position:absolute;left:13px;bottom:10px;color:rgba(255,255,255,.75);font-size:12px;letter-spacing:3px}.flow-content h3{font-size:18px;margin:0 0 7px}.flow-content p{color:var(--muted);font-size:13px;line-height:1.65;margin:0 0 10px}.tags{display:flex;gap:7px;flex-wrap:wrap}.tag{font-size:11px;color:#bcefff;background:rgba(66,202,255,.1);border:1px solid rgba(66,202,255,.2);border-radius:7px;padding:2px 8px}.tag.warm{color:var(--amber);background:rgba(255,201,121,.08);border-color:rgba(255,201,121,.2)}.flow-meta{text-align:right;color:var(--muted);font-size:12px;white-space:nowrap}.flow-meta strong{display:block;color:#fff;font-size:14px;margin-bottom:11px}
    .feature-strip{margin-top:23px;padding:25px 28px;border-radius:18px;border:1px solid rgba(143,156,255,.28);background:linear-gradient(100deg,rgba(57,64,122,.42),rgba(17,39,62,.72));display:flex;justify-content:space-between;gap:25px;align-items:center}.feature-strip p{color:var(--muted);font-size:13px;margin:5px 0 0}.feature-mark{color:var(--violet);font-size:12px;letter-spacing:1px}
    .insight-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.insight-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:rgba(13,32,51,.66)}.metric{font-size:35px;font-weight:800;color:#fff;margin:8px 0}.metric small{font-size:13px;font-weight:400;color:var(--muted)}.insight-card p{color:var(--muted);font-size:14px}.progress-line{margin:18px 0 0}.progress-line header{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
    .quotes{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.quote-card{padding:24px}.quote-card p{font-size:15px;color:#d9edf5;line-height:1.8}.quote-card span{font-size:12px;color:var(--muted)}
    .faq-box{overflow:hidden}.faq-item{border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:0}.faq-question{width:100%;padding:20px 24px;background:transparent;border:0;color:#fff;text-align:left;display:flex;justify-content:space-between;align-items:center;font-weight:700}.faq-question:after{content:"+";color:var(--blue);font-size:22px;font-weight:400}.faq-question[aria-expanded="true"]:after{content:"−"}.faq-answer{display:none;padding:0 24px 20px;color:var(--muted);font-size:14px;line-height:1.8}.faq-answer.open{display:block}
    .cta-box{padding:48px;display:flex;justify-content:space-between;align-items:center;gap:30px;background:linear-gradient(105deg,rgba(18,59,83,.9),rgba(13,32,51,.82))}.cta-box p{color:var(--muted);max-width:620px;margin:0}.cta-actions{display:flex;gap:10px;flex-wrap:wrap;flex:none}
    footer{padding:65px 0 28px;border-top:1px solid var(--line);background:rgba(4,13,24,.5)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:55px}.footer-brand{font-size:20px;font-weight:800;color:#fff;margin-bottom:12px}.footer-text{color:var(--muted);font-size:13px;max-width:310px}.footer-title{font-size:13px;color:#fff;font-weight:700;margin-bottom:14px}.footer-links{display:grid;gap:8px}.footer-links a{color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:48px;padding-top:20px;border-top:1px solid var(--line);color:#60798e;font-size:12px}
    .empty{display:none;padding:28px;text-align:center;color:var(--muted);border:1px dashed var(--line-strong);border-radius:16px}.loading{opacity:.65}.mobile-filter{display:none}
    @media(max-width:1024px){:root{--side:190px}.banner{grid-template-columns:1fr;padding:35px}.workspace{grid-template-columns:205px 1fr}.flow-card{grid-template-columns:125px 1fr}.flow-meta{display:none}.quotes{grid-template-columns:1fr 1fr}.footer-grid{gap:25px}}
    @media(max-width:768px){.side-nav{display:none}.main{margin-left:0;padding-top:70px}.mobile-bar{display:flex;position:fixed;z-index:30;top:0;left:0;right:0;height:70px;padding:0 5%;align-items:center;justify-content:space-between;background:rgba(5,15,27,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(18px)}.mobile-bar .brand{margin:0;font-size:16px}.mobile-menu{border:1px solid var(--line-strong);background:transparent;color:var(--cyan);border-radius:9px;padding:8px 12px}.mobile-links{display:none;position:absolute;top:70px;left:0;right:0;padding:14px 5%;background:#081a2b;border-bottom:1px solid var(--line)}.mobile-links.open{display:grid;gap:5px}.mobile-links a{padding:10px;color:var(--muted)}.topbar{padding-top:23px}.top-search{display:none}.category-hero{padding:35px 0 50px}.banner h1{font-size:36px}.workspace{display:block}.filter-panel{display:none}.mobile-filter{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;margin-bottom:15px;border:1px solid var(--line);border-radius:12px;color:var(--cyan);background:var(--panel)}.flow-card{grid-template-columns:115px 1fr;padding:12px;gap:14px}.cover{height:92px}.feature-strip,.cta-box{display:block;padding:28px}.feature-strip .btn,.cta-actions{margin-top:18px}.insight-grid{grid-template-columns:1fr}.section-head{display:block}.section-head .btn{margin-top:16px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin:5px 0}}
    @media(max-width:480px){.container,.page-wrap{width:90%}section{padding:65px 0}.banner{padding:25px 20px}.banner h1{font-size:31px}.lead{font-size:15px}.flow-card{grid-template-columns:1fr}.cover{height:145px}.flow-meta{display:block;text-align:left;margin-top:2px}.quotes,.footer-grid{grid-template-columns:1fr}.cta-box h2{font-size:28px}.btn{width:100%}.banner-actions,.cta-actions{display:grid}.sort-select{width:100%}.flow-head{display:grid;gap:10px}.copyright{margin-top:32px}}