/* roulang page: index */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;width:100%;object-fit:cover}button,input,select,textarea{font:inherit}button:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}.container{max-width:1240px;margin:auto;padding:0 26px}.site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.8)}.topbar{min-height:78px;display:flex;align-items:center;gap:28px}.logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}.logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}.main-nav{display:flex;align-items:center;gap:4px;flex:1}.main-nav a{font-size:14px;color:#59616d;padding:10px 12px;border-radius:12px;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}.nav-actions{display:flex;gap:10px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}.btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}.btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}.btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}.menu-toggle{display:none;background:none;border:0;font-size:25px}.hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-1.webp') center/cover;min-height:600px;color:#fff}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,27,.96) 8%,rgba(10,14,27,.76) 50%,rgba(10,14,27,.22))}.hero-inner{position:relative;min-height:600px;display:flex;align-items:center}.hero-copy{max-width:720px;padding:70px 0}.eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}h1,h2,h3{line-height:1.25;margin:0 0 18px;letter-spacing:-.04em}h1{font-size:clamp(42px,5vw,72px);max-width:760px}h2{font-size:clamp(29px,3vw,43px)}h3{font-size:21px}.hero p{font-size:18px;color:#d3d9e3;max-width:680px;margin:22px 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}.metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:42px}.metric{min-width:145px;padding:14px 16px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px)}.metric strong{display:block;color:var(--lime);font-size:25px;line-height:1.2}.metric span{font-size:12px;color:#cbd2dc}.section{padding:92px 0}.section.tight{padding:64px 0}.section-head{max-width:760px;margin-bottom:38px}.section-head p{color:var(--muted);font-size:16px;margin:0}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#aeb7c5}.problem-panel{padding:42px;border-radius:var(--radius);background:#171c2b;color:#fff;position:relative;overflow:hidden}.problem-panel:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-90px;bottom:-120px;background:rgba(120,103,255,.35);filter:blur(8px)}.problem-panel p{color:#b9c1ce;position:relative;z-index:1}.issue-list{display:grid;gap:15px}.issue{padding:20px 22px;border:1px solid var(--line);border-radius:18px;background:#fff;display:flex;gap:16px;align-items:flex-start}.issue b{font-size:22px;color:var(--violet);line-height:1}.issue p{margin:4px 0 0;color:var(--muted);font-size:14px}.bento{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s ease}.card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}.feature-card{min-height:270px;background:linear-gradient(145deg,#fff 0%,#edfefa 100%)}.feature-card p,.card p{color:var(--muted);font-size:14px}.card .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff}.mini-stack{display:grid;gap:18px}.icon-mark{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;background:var(--grad);font-weight:900;margin-bottom:18px}.content-image{height:360px;border-radius:var(--radius);box-shadow:var(--shadow)}.reading{font-size:16px;color:#414957}.reading p{margin:0 0 19px}.reading strong{color:var(--ink)}.quote{border-left:4px solid var(--cyan);padding:18px 22px;background:#effcf9;border-radius:0 16px 16px 0;color:#303943;margin:24px 0}.badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.data-badge{padding:23px 20px;border-radius:19px;background:#fff;border:1px solid var(--line)}.data-badge strong{font-size:31px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}.data-badge small{color:var(--muted)}.news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.news-list{background:#fff;border-radius:var(--radius);padding:10px 28px;border:1px solid var(--line)}.news-item{display:grid;grid-template-columns:86px 1fr auto;gap:19px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border-bottom:0}.date{font-size:13px;color:#8a92a0}.news-item h3{font-size:17px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.text-link{font-size:13px;font-weight:800;color:#6357d9;white-space:nowrap}.text-link:hover{transform:translateX(3px);display:inline-block}.spotlight{border-radius:var(--radius);overflow:hidden;background:#191e2d;color:#fff}.spotlight img{height:205px}.spotlight-body{padding:25px}.spotlight p{color:#b8c1ce;font-size:14px}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}.step{padding:25px 22px;background:#fff;border-radius:20px;border:1px solid var(--line);position:relative}.step:before{counter-increment:step;content:"0" counter(step);font-size:32px;font-weight:900;color:#d8d5ff;display:block;margin-bottom:14px}.step p{color:var(--muted);font-size:14px;margin:0}.image-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:stretch}.image-story img{height:100%;min-height:350px;border-radius:var(--radius)}.story-copy{padding:36px 0}.story-copy p{color:var(--muted);font-size:15px}.story-copy ul{padding-left:20px;color:#515967}.story-copy li{margin:8px 0}.reviews{display:grid;grid-template-columns:.8fr 1.2fr;gap:25px}.rating{border-radius:var(--radius);padding:38px;background:var(--grad);color:#11131a}.rating strong{font-size:64px;display:block;line-height:1}.rating p{font-weight:700}.review-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.review{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px}.avatar{width:38px;height:38px;border-radius:50%;background:#202839;color:var(--cyan);display:inline-grid;place-items:center;margin-right:9px;font-weight:800}.review p{color:#59616d;font-size:14px}.faq{max-width:920px}.accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}.accordion-title{display:flex;justify-content:space-between;padding:19px 22px;font-weight:800;cursor:pointer}.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}.accordion-item.open .accordion-title:after{content:"−"}.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.accordion-item.open .accordion-content{display:block}.cta{border-radius:30px;padding:54px 60px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}.cta p{max-width:650px;margin:0;color:#252a36}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}.subscribe{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;background:#e9edf4;border-radius:var(--radius);padding:34px}.subscribe p{color:var(--muted);margin:0}.form-row{display:flex;gap:9px}.form-row input{min-width:0;flex:1;border:1px solid #d5dbe4;border-radius:13px;padding:12px 15px;background:#fff}.footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h3{font-size:15px;color:#fff;margin-bottom:14px}.footer p,.footer a{color:#8e99a9;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.float-cta{position:fixed;right:20px;bottom:20px;z-index:15}.float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 7px;font-size:12px}.nav-actions .btn{padding:10px 12px}.split,.image-story{gap:30px}.badge-wall{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav,.nav-actions{display:none}.site-header.menu-open .main-nav{display:flex;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:15px 26px;flex-direction:column;align-items:stretch}.site-header.menu-open .nav-actions{display:flex;position:absolute;top:355px;left:26px;right:26px;padding:12px 0;background:#fff}.site-header.menu-open .nav-actions .btn{flex:1}.hero,.hero-inner{min-height:600px}.hero-copy{padding:55px 0}.split,.news-layout,.reviews,.image-story,.subscribe{grid-template-columns:1fr}.bento{grid-template-columns:1fr}.timeline{grid-template-columns:repeat(2,1fr)}.section{padding:65px 0}.cta{padding:38px 28px;display:block}.cta-actions{margin-top:24px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.container{padding:0 17px}h1{font-size:42px}.hero p{font-size:16px}.hero-actions,.cta-actions,.form-row{flex-direction:column}.hero-actions .btn,.cta-actions .btn,.form-row .btn{width:100%}.metric{flex:1;min-width:125px}.metric strong{font-size:21px}.section{padding:52px 0}.card,.problem-panel{padding:24px}.badge-wall,.timeline,.review-list{grid-template-columns:1fr}.news-list{padding:4px 18px}.news-item{grid-template-columns:1fr;gap:5px;padding:18px 0}.news-item .text-link{justify-self:start}.content-image{height:250px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}.float-cta{right:12px;bottom:12px}}

/* roulang page: category3 */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1,h2,h3{line-height:1.25}
    .container{max-width:1240px;margin:auto;padding:0 26px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.85)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:24px}
    .logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a{font-size:13px;color:#59616d;padding:10px 9px;border-radius:12px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}
    .btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}
    .btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;font-size:25px;cursor:pointer}
    .inner-hero{position:relative;overflow:hidden;color:#fff;background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,14,27,.96),rgba(10,14,27,.7) 58%,rgba(10,14,27,.3))}
    .inner-hero .container{position:relative}
    .hero-layout{min-height:460px;display:grid;grid-template-columns:1.15fr .85fr;gap:55px;align-items:center;padding:65px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
    .hero-layout h1{font-size:clamp(38px,5vw,64px);margin:18px 0 20px;letter-spacing:-2px}
    .hero-layout p{font-size:18px;color:#d3d9e3;max-width:680px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero-layout .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
    .promo-panel{position:relative;border:1px solid rgba(255,255,255,.19);border-radius:28px;padding:27px;background:rgba(17,21,34,.72);box-shadow:0 20px 60px rgba(0,0,0,.2)}
    .promo-panel:after{content:"实时更新";position:absolute;right:-13px;top:22px;padding:7px 14px;color:#11131a;font-weight:900;font-size:12px;background:var(--lime);border-radius:8px;transform:rotate(6deg);box-shadow:4px 5px 0 rgba(0,0,0,.18)}
    .promo-panel h2{font-size:22px;margin:0 0 9px}
    .promo-panel p{font-size:14px;color:#afb9c7;margin:0 0 20px}
    .mini-chart{height:120px;display:flex;align-items:end;gap:9px;padding:14px 5px 0;border-bottom:1px solid rgba(255,255,255,.15)}
    .mini-chart i{display:block;flex:1;border-radius:7px 7px 0 0;background:var(--grad);opacity:.9}
    .mini-chart i:nth-child(1){height:34%}.mini-chart i:nth-child(2){height:52%}.mini-chart i:nth-child(3){height:44%}.mini-chart i:nth-child(4){height:71%}.mini-chart i:nth-child(5){height:62%}.mini-chart i:nth-child(6){height:88%}.mini-chart i:nth-child(7){height:76%}
    .metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .data-badge{padding:18px 19px;border-radius:19px;background:#fff;border:1px solid var(--line);min-width:145px}
    .data-badge strong{font-size:28px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text;line-height:1.2}
    .data-badge small{color:var(--muted);font-size:12px}
    .hero .data-badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16)}
    .hero .data-badge strong{color:var(--cyan);background:none}
    .hero .data-badge small{color:#c3cbd7}
    .section{padding:82px 0}
    .section.tight{padding:58px 0}
    .section-head{max-width:790px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3vw,42px);margin:0 0 12px}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .split{display:grid;grid-template-columns:.82fr 1.18fr;gap:30px;align-items:stretch}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
    .dark-card{background:var(--dark);color:#fff;border-color:#293143}
    .dark-card p{color:#aeb7c5}
    .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff;letter-spacing:0}
    .dark-card .tag{color:var(--cyan);border-color:rgba(79,242,208,.3);background:rgba(79,242,208,.08)}
    .signal-list{display:grid;gap:12px}
    .signal{display:flex;gap:15px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
    .signal:last-child{border-bottom:0}
    .signal b{display:block;font-size:17px}.signal span{color:var(--muted);font-size:13px}
    .signal-mark{flex:0 0 35px;height:35px;border-radius:11px;background:var(--grad);color:#11131a;text-align:center;line-height:35px;font-weight:900}
    .badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .trend-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px}
    .trend-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
    .trend-box h3{margin:0 0 8px;font-size:21px}
    .trend-box p{color:var(--muted);font-size:14px}
    .bars{height:215px;display:flex;align-items:end;gap:15px;padding:20px 8px 28px;border-bottom:1px solid var(--line)}
    .bar{flex:1;position:relative;background:var(--grad);border-radius:10px 10px 3px 3px;min-height:30px}
    .bar:after{content:attr(data-label);position:absolute;bottom:-27px;left:50%;transform:translateX(-50%);font-size:11px;color:var(--muted);white-space:nowrap}
    .bar em{position:absolute;top:-23px;left:50%;transform:translateX(-50%);font-style:normal;font-size:11px;font-weight:800}
    .bar:nth-child(1){height:41%}.bar:nth-child(2){height:57%}.bar:nth-child(3){height:49%}.bar:nth-child(4){height:76%}.bar:nth-child(5){height:67%}.bar:nth-child(6){height:89%}
    .topic-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .feature-image{min-height:330px;border-radius:var(--radius);background:url('/assets/images/coverpic/cover-6.webp') center/cover;position:relative;overflow:hidden}
    .feature-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,14,27,.85),transparent 65%)}
    .feature-caption{position:absolute;z-index:1;bottom:25px;left:26px;right:26px;color:#fff}
    .feature-caption h3{font-size:25px;margin:10px 0 4px}.feature-caption p{font-size:13px;color:#d5dce6;margin:0}
    .topic-list{display:grid;gap:12px}
    .topic-item{padding:19px 20px;background:#fff;border:1px solid var(--line);border-radius:18px;display:flex;justify-content:space-between;gap:15px;align-items:center}
    .topic-item h3{font-size:16px;margin:0 0 4px}.topic-item p{font-size:13px;color:var(--muted);margin:0}
    .text-link{font-size:13px;font-weight:800;color:#6357d9;white-space:nowrap}.text-link:hover{transform:translateX(3px);display:inline-block}
    .glossary{background:#edfefa;border-radius:28px;padding:38px}
    .glossary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .term{background:#fff;border-radius:17px;padding:19px;border:1px solid #d6f1eb}.term b{color:#5d52d6}.term p{font-size:13px;color:var(--muted);margin:6px 0 0}
    .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.step{padding:24px;border-top:3px solid var(--violet);background:#fff;border-radius:0 0 19px 19px;box-shadow:var(--shadow)}.step strong{font-size:31px;color:var(--violet)}.step h3{font-size:18px;margin:7px 0}.step p{color:var(--muted);font-size:13px;margin:0}
    .faq{max-width:920px}.accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}.accordion-title{display:flex;justify-content:space-between;padding:19px 22px;font-weight:800;cursor:pointer}.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}.accordion-item.open .accordion-title:after{content:"−"}.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.accordion-item.open .accordion-content{display:block}
    .cta{border-radius:30px;padding:48px 55px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}.cta h2{margin:0 0 8px}.cta p{max-width:650px;margin:0;color:#252a36}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
    .footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h3{font-size:15px;color:#fff;margin-bottom:14px}.footer p,.footer a{color:#8e99a9;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .float-cta{position:fixed;right:20px;bottom:20px;z-index:15}.float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    @media(max-width:1024px){.main-nav a{padding:9px 6px;font-size:12px}.nav-actions .btn{padding:10px 11px}.hero-layout{gap:28px}.badge-wall{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 26px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{font-size:14px}.nav-actions{display:none}.main-nav.show:after{content:"专题订阅　　立即查看";display:block;text-align:center;margin-top:12px;padding:13px;border-radius:13px;background:var(--grad);font-weight:800}.hero-layout,.split,.trend-layout,.topic-grid{grid-template-columns:1fr}.hero-layout{min-height:auto;padding:65px 0}.promo-panel{max-width:560px}.section{padding:65px 0}.glossary-grid,.steps{grid-template-columns:1fr 1fr}.cta{align-items:flex-start;flex-direction:column;padding:38px 30px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.container{padding:0 18px}.hero-layout h1{font-size:39px}.hero-layout p{font-size:16px}.hero-actions,.hero-actions .btn,.cta-actions,.cta-actions .btn{width:100%}.metric-row{display:grid;grid-template-columns:1fr 1fr}.data-badge{min-width:0;padding:15px}.data-badge strong{font-size:24px}.badge-wall,.glossary-grid,.steps{grid-template-columns:1fr}.card,.trend-box,.glossary{padding:22px}.feature-image{min-height:270px}.topic-item{align-items:flex-start;flex-direction:column}.news-item{grid-template-columns:1fr;gap:5px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}.float-cta{right:14px;bottom:14px}}

/* roulang page: category2 */
:root{
 --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
 --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
 --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
 --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
h1,h2,h3,h4{line-height:1.28;margin-top:0;letter-spacing:-.025em}
h1{font-size:clamp(38px,5vw,66px);margin-bottom:18px}
h2{font-size:clamp(27px,3vw,42px);margin-bottom:15px}
h3{font-size:20px;margin-bottom:10px}
p{margin:0 0 16px}
.container{max-width:1240px;margin:auto;padding:0 26px}
.site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.8)}
.topbar{min-height:78px;display:flex;align-items:center;gap:22px}
.logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}
.logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
.main-nav{display:flex;align-items:center;gap:2px;flex:1}
.main-nav a{font-size:12px;color:#59616d;padding:9px 7px;border-radius:12px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
.nav-actions{display:flex;gap:9px;white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}
.btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}
.btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
.btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink)}
.hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,27,.96) 6%,rgba(10,14,27,.78) 54%,rgba(10,14,27,.3))}
.hero-inner{position:relative;min-height:510px;display:flex;align-items:center}
.hero-copy{max-width:650px;padding:68px 0}
.eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
.hero p{font-size:17px;color:#d3d9e3;max-width:620px;margin:20px 0 27px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
.metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:35px}
.metric{min-width:130px;padding:13px 16px;border:1px solid rgba(255,255,255,.18);border-radius:16px;background:rgba(255,255,255,.08)}
.metric strong{display:block;color:var(--lime);font-size:23px;line-height:1.1}
.metric small{color:#c3cad5;font-size:12px}
.section{padding:82px 0}
.section.tight{padding:58px 0}
.section-head{max-width:780px;margin-bottom:34px}
.section-head p{color:var(--muted);font-size:16px}
.dark-section{background:var(--dark);color:#fff}
.dark-section .section-head p{color:#aeb7c5}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:.25s ease;height:100%}
.card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
.card p{color:var(--muted);font-size:14px}
.card .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff}
.grid-gap{row-gap:20px}
.section-label{font-size:12px;color:#7166df;font-weight:800;letter-spacing:1.5px;margin-bottom:12px}
.split-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
.issue-panel{background:#171c2b;color:#fff;border-radius:28px;padding:35px;position:relative;overflow:hidden}
.issue-panel:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;right:-80px;bottom:-110px;background:rgba(120,103,255,.25)}
.issue-panel p{color:#bfc7d5}
.issue-list{display:grid;gap:12px;position:relative;z-index:1}
.issue-list li{list-style:none;border-top:1px solid rgba(255,255,255,.13);padding-top:12px;color:#e6ebf2}
.issue-list li b{display:block;color:var(--cyan);font-size:14px}
.coupon-zone{background:#fff;border:1px solid var(--line);border-radius:28px;padding:27px;box-shadow:var(--shadow)}
.coupon-wall{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:14px}
.coupon{border-radius:20px;padding:22px;min-height:160px;background:#f0f2f7;border:1px dashed #cfd5df;position:relative;overflow:hidden}
.coupon.main-coupon{min-height:235px;background:var(--grad);color:#11131b;border:0;padding:31px}
.coupon:after{content:"";position:absolute;right:-25px;top:50%;width:50px;height:50px;background:#fff;border-radius:50%;transform:translateY(-50%)}
.coupon h3{font-size:23px;margin-bottom:8px}
.coupon.main-coupon h3{font-size:30px}
.coupon p{font-size:13px;color:#5d6572;margin-bottom:19px}
.coupon.main-coupon p{color:#252a36}
.coupon-code{font-size:12px;font-weight:800;letter-spacing:1px}
.coupon .btn{padding:9px 13px;font-size:12px}
.path{display:flex;gap:0;align-items:stretch}
.path-step{flex:1;padding:24px 20px;background:#fff;border:1px solid var(--line);position:relative}
.path-step:first-child{border-radius:20px 0 0 20px}
.path-step:last-child{border-radius:0 20px 20px 0}
.path-step:not(:last-child):after{content:"→";position:absolute;right:-14px;top:43%;z-index:2;width:28px;height:28px;border-radius:50%;background:var(--violet);color:#fff;text-align:center;line-height:27px}
.step-num{display:inline-flex;width:30px;height:30px;border-radius:10px;background:#edf0ff;color:#6659df;font-weight:900;align-items:center;justify-content:center;margin-bottom:13px}
.article-list{display:grid;gap:13px}
.article-item{display:grid;grid-template-columns:170px 1fr auto;gap:20px;align-items:center;padding:15px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.25s}
.article-item:hover{border-color:var(--violet);transform:translateX(3px);box-shadow:var(--shadow)}
.article-item img{height:112px;border-radius:14px}
.article-item h3{font-size:18px;margin-bottom:5px}
.article-item p{font-size:13px;color:var(--muted);margin:0}
.text-link{font-size:13px;font-weight:800;color:#6357d9;white-space:nowrap}
.text-link:hover{transform:translateX(3px);display:inline-block}
.badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.data-badge{padding:23px 20px;border-radius:19px;background:#fff;border:1px solid var(--line)}
.data-badge strong{font-size:31px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}
.data-badge small{color:var(--muted)}
.image-story{background:#fff;border-radius:28px;border:1px solid var(--line);overflow:hidden;box-shadow:var(--shadow)}
.image-story img{height:100%;min-height:330px}
.story-copy{padding:34px}
.story-copy p{color:var(--muted);font-size:15px}
.tip-box{margin-top:20px;padding:17px 20px;border-left:4px solid var(--cyan);background:#effdfa;border-radius:0 15px 15px 0;color:#37404d;font-size:14px}
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
.compare-card{padding:25px;border-radius:22px;background:#fff;border:1px solid var(--line)}
.compare-card ul{margin:14px 0 0;padding:0;list-style:none}
.compare-card li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}
.compare-card li:last-child{border-bottom:0}
.compare-card li:before{content:"✓";color:#6b60e5;font-weight:bold;margin-right:8px}
.faq{max-width:920px}
.accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}
.accordion-title{display:flex;justify-content:space-between;padding:19px 22px;font-weight:800;cursor:pointer}
.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}
.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
.accordion-item.open .accordion-title:after{content:"−"}
.accordion-item.open .accordion-content{display:block}
.cta{border-radius:30px;padding:50px 58px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}
.cta p{max-width:650px;margin:0;color:#252a36}
.cta-actions{display:flex;gap:11px;flex-shrink:0}
.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
.footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
.footer h3{font-size:15px;color:#fff;margin-bottom:14px}
.footer p,.footer a{color:#8e99a9;font-size:13px}
.footer a:hover{color:var(--cyan)}
.footer-links{display:grid;gap:7px}
.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
.float-cta{position:fixed;right:20px;bottom:20px;z-index:15}
.float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
@media(max-width:1050px){
 .main-nav a{padding:8px 4px;font-size:11px}.nav-actions .btn{padding:9px 10px;font-size:12px}
 .coupon-wall{grid-template-columns:1fr 1fr}.main-coupon{grid-row:span 2}
}
@media(max-width:800px){
 .topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav,.nav-actions{display:none}
 .main-nav.is-open{display:grid;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:15px 26px;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(20,25,40,.1)}
 .nav-actions.is-open{display:flex;position:absolute;top:calc(68px + 360px);left:26px;right:26px}
 .hero-inner{min-height:470px}.hero-copy{padding:55px 0}.split-panel{grid-template-columns:1fr}
 .badge-wall{grid-template-columns:repeat(2,1fr)}.path{display:grid;grid-template-columns:1fr 1fr}
 .path-step:first-child,.path-step:last-child{border-radius:18px}.path-step:not(:last-child):after{display:none}
 .article-item{grid-template-columns:115px 1fr}.article-item .text-link{grid-column:2}
 .article-item img{height:92px}.cta{display:block;padding:37px 28px}.cta-actions{margin-top:22px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 .container{padding:0 18px}.section{padding:60px 0}.hero h1{font-size:39px}
 .metric{min-width:calc(50% - 6px)}.coupon-wall{display:block}.coupon{margin-bottom:12px}.coupon.main-coupon{min-height:205px}
 .path,.compare-grid{grid-template-columns:1fr}.article-item{grid-template-columns:1fr}.article-item img{height:150px}.article-item .text-link{grid-column:auto}
 .badge-wall{gap:9px}.data-badge{padding:17px 13px}.data-badge strong{font-size:25px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:22px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}
 .float-cta{right:12px;bottom:12px}
}

/* roulang page: category1 */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding:0 26px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.8)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:25px}
    .logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
    .main-nav{display:flex;align-items:center;gap:1px;flex:1}
    .main-nav a{font-size:13px;color:#59616d;padding:10px 8px;border-radius:12px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}
    .btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}
    .btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;font-size:25px}
    .hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,27,.97) 10%,rgba(10,14,27,.8) 53%,rgba(10,14,27,.3))}
    .hero-inner{position:relative;min-height:520px;display:flex;align-items:center;padding:65px 0}
    .hero-copy{max-width:670px}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
    h1,h2,h3{line-height:1.25;letter-spacing:-.03em}
    h1{font-size:clamp(38px,5vw,64px);margin:18px 0}
    h2{font-size:clamp(27px,3vw,40px);margin:0 0 14px}
    h3{font-size:19px;margin:0 0 9px}
    .hero p{font-size:17px;color:#d3d9e3;max-width:650px;margin:0 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
    .metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
    .metric{border:1px solid rgba(255,255,255,.17);background:rgba(255,255,255,.08);border-radius:17px;padding:13px 16px;min-width:125px}
    .metric strong{display:block;color:var(--lime);font-size:22px;line-height:1.2}.metric span{font-size:12px;color:#c8d0dc}
    .section{padding:78px 0}.section.tight{padding:54px 0}
    .section-head{max-width:760px;margin-bottom:32px}.section-head p{color:var(--muted);font-size:16px;margin:0}
    .kicker{color:#6357d9;font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
    .card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .card .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff}
    .download-panel{background:#fff;border-radius:28px;padding:22px;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.2);color:var(--ink);max-width:410px;margin-left:auto}
    .download-panel img{height:172px;border-radius:18px;margin-bottom:19px}
    .download-panel ul{padding-left:20px;color:var(--muted);font-size:13px;margin:10px 0 18px}
    .download-panel input{width:100%;border:1px solid #d5dbe4;border-radius:13px;padding:11px 14px;margin-bottom:10px}
    .download-panel .btn{width:100%}
    .split{display:grid;grid-template-columns:1.05fr .95fr;gap:25px;align-items:stretch}
    .issue-card{background:linear-gradient(145deg,#fff 0%,#edfefa 100%);min-height:255px}
    .issue-card strong{display:block;font-size:42px;color:#dfe5eb;margin-bottom:6px}
    .timeline{display:grid;gap:13px}
    .timeline-item{display:grid;grid-template-columns:100px 1fr auto;gap:18px;align-items:center;padding:19px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:.25s}
    .timeline-item:hover{border-color:var(--violet);transform:translateX(3px)}
    .time{font-weight:800;color:#6258d9}.timeline-item p{margin:0;color:var(--muted);font-size:13px}.status{font-size:12px;color:#467d53;background:#e8f8e9;border-radius:99px;padding:4px 10px}
    .dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#aeb7c5}
    .dark-section .card{background:#191e2c;border-color:#2d3546}.dark-section .card p{color:#aeb7c5}
    .badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .data-badge{padding:22px 19px;border-radius:19px;background:#fff;border:1px solid var(--line)}
    .data-badge strong{font-size:30px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}.data-badge small{color:var(--muted)}
    .article-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center}.article-feature img{height:330px;border-radius:var(--radius)}
    .article-feature p{color:var(--muted)}
    .news-list{background:#fff;border-radius:var(--radius);padding:8px 27px;border:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:85px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}.news-item time{font-size:13px;color:#756be2;font-weight:800}.news-item h3{font-size:17px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.text-link{font-size:13px;font-weight:800;color:#6357d9;white-space:nowrap}.text-link:hover{transform:translateX(3px);display:inline-block}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quote{position:relative}.quote:before{content:"“";font-size:54px;color:var(--violet);line-height:1}.quote p{font-size:15px;color:#424956}.quote footer{font-size:13px;color:var(--muted);margin-top:20px}
    .faq{max-width:900px}.accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}.accordion-title{display:flex;justify-content:space-between;padding:18px 22px;font-weight:800;cursor:pointer}.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.accordion-item.open .accordion-title:after{content:"−"}.accordion-item.open .accordion-content{display:block}
    .cta{border-radius:30px;padding:48px 55px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}.cta p{max-width:650px;margin:0;color:#252a36}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
    .footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h3{font-size:15px;color:#fff;margin-bottom:14px}.footer p,.footer a{color:#8e99a9;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .float-cta{position:fixed;right:20px;bottom:20px;z-index:15}.float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    @media(max-width:1024px){.main-nav a{padding:9px 5px;font-size:12px}.topbar{gap:12px}.badge-wall{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:14px 26px;box-shadow:0 14px 30px rgba(0,0,0,.08);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.main-nav a{padding:12px}.nav-actions{display:none}.topbar{min-height:68px}.split,.article-feature{grid-template-columns:1fr}.download-panel{margin:25px 0 0;max-width:none}.hero-inner{min-height:620px}.quote-grid{grid-template-columns:1fr 1fr}.cta{padding:35px 28px;display:block}.cta-actions{margin-top:22px}}
    @media(max-width:520px){.container{padding:0 18px}.section{padding:58px 0}.hero-copy{padding:38px 0}.hero p{font-size:15px}.hero-actions .btn,.cta-actions .btn{width:100%}.metric{flex:1;min-width:105px}.badge-wall,.quote-grid{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr;gap:4px}.timeline-item .status{width:max-content}.news-list{padding:5px 17px}.news-item{grid-template-columns:1fr;gap:5px;padding:18px 0}.text-link{margin-top:5px}.article-feature img{height:235px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: category5 */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
    .container{max-width:1240px;margin:auto;padding:0 26px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.8)}
    .topbar{min-height:76px;display:flex;align-items:center;gap:22px}
    .logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a{font-size:13px;color:#59616d;padding:10px 8px;border-radius:12px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}
    .btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}
    .btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;font-size:25px}
    .hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,27,.96) 8%,rgba(10,14,27,.76) 53%,rgba(10,14,27,.2))}
    .hero-inner{position:relative;min-height:500px;display:flex;align-items:center}
    .hero-copy{max-width:700px;padding:72px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-2px;margin:22px 0 18px}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-1px;margin-bottom:14px}
    h3{font-size:20px;line-height:1.4;margin-bottom:10px}
    .hero p{font-size:18px;color:#d3d9e3;max-width:660px;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
    .metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
    .metric{padding:13px 18px;border:1px solid rgba(255,255,255,.2);border-radius:16px;background:rgba(255,255,255,.08);min-width:125px}
    .metric strong{display:block;font-size:24px;color:var(--lime);line-height:1.2}
    .metric small{color:#c8d0db;font-size:12px}
    .section{padding:82px 0}.section.tight{padding:58px 0}
    .section-head{max-width:770px;margin-bottom:32px}.section-head p{color:var(--muted);font-size:16px;margin:0}
    .dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#aeb7c5}
    .grid-gap{gap:22px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
    .card p{color:var(--muted);font-size:14px}
    .card .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff}
    .section-label{color:var(--violet);font-size:13px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
    .split{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:stretch}
    .feature-image{height:100%;min-height:300px;border-radius:var(--radius)}
    .event-card{position:relative;overflow:hidden;padding:0;min-height:340px}
    .event-card img{height:175px}
    .event-body{padding:21px 24px}
    .event-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-bottom:8px}
    .event-card h3{margin-bottom:7px}
    .event-card p{margin-bottom:15px}
    .event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .countdown{background:var(--dark);color:#fff;border-radius:22px;padding:25px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:23px}
    .countdown strong{font-size:30px;color:var(--cyan);letter-spacing:2px}
    .countdown small{color:#aeb7c5}
    .countdown .btn{flex-shrink:0}
    .badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .data-badge{padding:22px 19px;border-radius:19px;background:#fff;border:1px solid var(--line)}
    .data-badge strong{font-size:30px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}
    .data-badge small{color:var(--muted)}
    .topic-list{display:grid;gap:12px}
    .topic{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:17px 20px}
    .topic:hover{border-color:var(--violet);transform:translateX(3px)}
    .topic h3{font-size:16px;margin:0 0 3px}.topic p{color:var(--muted);font-size:13px;margin:0}
    .topic .tag{flex-shrink:0}
    .timeline{border-left:2px solid #d9d5ff;padding-left:25px;display:grid;gap:24px}
    .timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--grad);left:-32px;top:8px}
    .timeline-item strong{display:block;color:var(--violet);font-size:13px}.timeline-item h3{margin:4px 0 5px}.timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .quote{background:linear-gradient(145deg,#fff,#eefefa);border-radius:22px;padding:25px;border:1px solid var(--line);height:100%}
    .quote p{font-size:16px;color:#343a47}.quote footer{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);display:grid;place-items:center;color:#111;font-weight:900}
    .faq{max-width:930px}.accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}.accordion-title{display:flex;justify-content:space-between;padding:18px 22px;font-weight:800;cursor:pointer}.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}.accordion-item.open .accordion-title:after{content:"−"}.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.accordion-item.open .accordion-content{display:block}
    .cta{border-radius:30px;padding:48px 56px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}.cta p{max-width:650px;margin:0;color:#252a36}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
    .footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h3{font-size:15px;color:#fff;margin-bottom:14px}.footer p,.footer a{color:#8e99a9;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .float-cta{position:fixed;right:20px;bottom:20px;z-index:15}.float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    .subscribe{background:#e9edf3;border-radius:22px;padding:27px}.form-row{display:flex;gap:9px}.form-row input{min-width:0;flex:1;border:1px solid #d5dbe4;border-radius:13px;padding:12px 15px;background:#fff}
    @media(max-width:1024px){.main-nav a{padding:9px 5px;font-size:12px}.nav-actions .btn{padding:10px 11px}.event-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.topbar{min-height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 26px 20px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.nav-actions{display:none}.main-nav .mobile-actions{display:flex;gap:10px;margin-top:10px}.hero-inner{min-height:520px}.hero-copy{padding:58px 0}.split{grid-template-columns:1fr}.badge-wall{grid-template-columns:repeat(2,1fr)}.countdown{align-items:flex-start;flex-direction:column}.cta{padding:35px 27px;display:block}.cta-actions{margin-top:22px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.container{padding:0 18px}h1{font-size:39px}.section{padding:62px 0}.event-grid{grid-template-columns:1fr}.badge-wall{grid-template-columns:1fr 1fr}.metric{min-width:110px}.topic{align-items:flex-start;flex-direction:column;gap:10px}.form-row{flex-direction:column}.footer-grid{grid-template-columns:1fr}.float-cta{right:12px;bottom:12px}}
    @media(min-width:769px){.mobile-actions{display:none!important}}

/* roulang page: category6 */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,textarea:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
    h1,h2,h3,p{overflow-wrap:break-word}
    h1,h2,h3{line-height:1.3;margin-top:0}
    .container{max-width:1240px;margin:auto;padding:0 26px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.85)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:24px}
    .logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}
    .logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1}
    .main-nav a{font-size:13px;color:#59616d;padding:10px 8px;border-radius:12px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
    .nav-actions{display:flex;gap:9px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:.25s ease}
    .btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32)}
    .btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink)}
    .hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-3.webp') center/cover;color:#fff}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,13,26,.96) 8%,rgba(9,13,26,.78) 58%,rgba(9,13,26,.28))}
    .hero-inner{position:relative;min-height:440px;display:flex;align-items:center}
    .hero-copy{max-width:760px;padding:68px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
    .hero h1{font-size:clamp(38px,5vw,66px);letter-spacing:-2px;margin:18px 0 14px}
    .hero p{font-size:18px;color:#d3d9e3;max-width:700px;margin:0 0 27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .hero .btn-secondary{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);color:#fff}
    .metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
    .metric{min-width:142px;padding:13px 16px;border:1px solid rgba(255,255,255,.2);border-radius:16px;background:rgba(255,255,255,.08)}
    .metric strong{display:block;font-size:24px;color:var(--lime);line-height:1.15}
    .metric span{font-size:12px;color:#c5cedb}
    .section{padding:78px 0}
    .section.tight{padding:54px 0}
    .section-head{max-width:790px;margin-bottom:32px}
    .section-head h2{font-size:32px;margin-bottom:11px}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .section-kicker{color:#6659dd;font-size:12px;font-weight:900;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:9px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
    .card h3{font-size:20px;margin:14px 0 8px}
    .card p{color:var(--muted);font-size:14px;margin:0}
    .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff;letter-spacing:0}
    .spotlight{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
    .spotlight-image{min-height:350px;border-radius:var(--radius);overflow:hidden;position:relative;background:#151927}
    .spotlight-image img{height:100%;min-height:350px}
    .spotlight-image:after{content:"编辑精选";position:absolute;left:20px;bottom:18px;background:var(--grad);color:#11131a;border-radius:99px;padding:5px 12px;font-size:12px;font-weight:800}
    .spotlight-copy{display:flex;flex-direction:column;justify-content:center;padding:12px 10px}
    .spotlight-copy h2{font-size:34px;margin:15px 0}
    .spotlight-copy p{color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
    .news-list{background:#fff;border-radius:var(--radius);padding:8px 28px;border:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:82px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;color:#7b8491;font-weight:700}
    .news-item h3{font-size:17px;margin:0 0 5px}
    .news-item p{font-size:13px;color:var(--muted);margin:0}
    .text-link{font-size:13px;font-weight:800;color:#6357d9;white-space:nowrap}
    .text-link:hover{transform:translateX(3px);display:inline-block;text-decoration:underline}
    .side-panel{background:var(--dark);border-radius:var(--radius);color:#fff;padding:27px;position:sticky;top:102px}
    .side-panel h3{font-size:20px;margin:0 0 17px}
    .side-panel p{color:#aeb7c5;font-size:14px}
    .hot-tags{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 25px}
    .hot-tags a{border:1px solid #384153;color:#c9d1dc;border-radius:99px;padding:6px 11px;font-size:12px}
    .hot-tags a:hover{border-color:var(--cyan);color:var(--cyan)}
    .number-list{display:grid;gap:13px;margin:0;padding:0;list-style:none}
    .number-list li{display:flex;gap:12px;border-top:1px solid #2c3444;padding-top:12px;font-size:13px;color:#d9e0e9}
    .number-list b{color:var(--lime);font-size:18px}
    .data-strip{background:#edf0f5}
    .badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .data-badge{padding:23px 20px;border-radius:19px;background:#fff;border:1px solid var(--line)}
    .data-badge strong{font-size:31px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}
    .data-badge small{color:var(--muted)}
    .deep-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:stretch}
    .deep-grid img{height:100%;min-height:330px;border-radius:var(--radius)}
    .long-copy{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px}
    .long-copy h2{font-size:29px;margin-bottom:17px}
    .long-copy p{color:#59616d;font-size:15px;margin:0 0 15px}
    .quote-section{background:var(--dark);color:#fff}
    .quote-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
    blockquote{margin:0;font-size:25px;line-height:1.6;font-weight:700}
    blockquote:before{content:"“";font-size:65px;line-height:0;color:var(--cyan);vertical-align:-22px;margin-right:8px}
    .quote-person{margin-top:22px;color:#aeb7c5;font-size:14px}
    .quote-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
    .quote-stats .data-badge{background:#191e2c;border-color:#30394b}
    .quote-stats .data-badge small{color:#aeb7c5}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline .card{position:relative;padding-top:23px}
    .timeline .card:before{content:"";display:block;width:34px;height:4px;border-radius:10px;background:var(--grad);margin-bottom:19px}
    .faq{max-width:920px}
    .accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}
    .accordion-title{display:flex;justify-content:space-between;gap:15px;padding:19px 22px;font-weight:800;cursor:pointer}
    .accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}
    .accordion-item.open .accordion-title:after{content:"−"}
    .accordion-content{display:none;padding:0 22px 21px;color:var(--muted);font-size:14px}
    .accordion-item.open .accordion-content{display:block}
    .cta{border-radius:30px;padding:48px 56px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}
    .cta h2{font-size:31px;margin:0 0 9px}
    .cta p{max-width:680px;margin:0;color:#252a36}
    .cta-actions{display:flex;gap:11px;flex-shrink:0}
    .cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
    .footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer h3{font-size:15px;color:#fff;margin-bottom:14px}
    .footer p,.footer a{color:#8e99a9;font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer-links{display:grid;gap:7px}
    .copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .float-cta{position:fixed;right:20px;bottom:20px;z-index:15}
    .float-cta a{padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
    @media(max-width:1050px){
      .main-nav a{padding:9px 5px;font-size:12px}
      .nav-actions .btn{padding:10px 11px}
      .spotlight,.deep-grid,.quote-grid{grid-template-columns:1fr}
      .side-panel{position:static}
    }
    @media(max-width:780px){
      .topbar{min-height:68px}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:0;right:0;top:68px;padding:15px 26px 21px;background:var(--white);border-bottom:1px solid var(--line);box-shadow:0 15px 30px rgba(20,25,35,.1);flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .nav-actions{display:none}
      .main-nav.open + .nav-actions{display:flex;position:absolute;top:390px;left:26px;right:26px;background:var(--white);padding-bottom:20px}
      .main-nav.open + .nav-actions .btn{flex:1}
      .hero-inner{min-height:500px}
      .hero-copy{padding:58px 0}
      .hero p{font-size:16px}
      .section{padding:57px 0}
      .badge-wall,.timeline{grid-template-columns:repeat(2,1fr)}
      .news-layout{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:5px}
      .news-item .text-link{margin-top:7px}
      .cta{padding:34px 27px;display:block}
      .cta-actions{margin-top:22px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:25px}
    }
    @media(max-width:520px){
      .container{padding:0 18px}
      .hero h1{font-size:40px}
      .metric{flex:1;min-width:120px}
      .badge-wall,.timeline,.quote-stats{grid-template-columns:1fr}
      .long-copy{padding:25px 22px}
      .long-copy h2,.spotlight-copy h2{font-size:26px}
      .hero-actions,.cta-actions{flex-direction:column}
      .hero-actions .btn,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .float-cta{right:14px;bottom:14px}
    }

/* roulang page: category7 */
:root{--ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;--cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;--grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);--radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{display:block;max-width:100%;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer}button:focus,a:focus,input:focus{outline:3px solid rgba(79,242,208,.55);outline-offset:3px}.container{max-width:1240px;margin:auto;padding:0 26px}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,247,250,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.9)}.topbar{min-height:68px;display:flex;align-items:center;gap:18px}.logo{font-weight:900;font-size:23px;letter-spacing:-1px;white-space:nowrap}.logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}.main-nav{display:flex;align-items:center;gap:0;flex:1}.main-nav a{font-size:12px;color:#59616d;padding:9px 7px;border-radius:10px;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}.nav-actions{display:flex;gap:9px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 17px;font-weight:800;font-size:14px;cursor:pointer;transition:.25s ease}.nav-actions .btn{padding:10px 12px;font-size:13px}.btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.34)}.btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}.btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}.menu-toggle{display:none;background:none;border:0;color:var(--ink);font-size:25px;padding:5px}.section{padding:88px 0}.section.tight{padding:62px 0}.section-head{max-width:780px;margin-bottom:35px}.section-head h2{font-size:34px;line-height:1.28;letter-spacing:-1px;margin:0 0 13px}.section-head p{margin:0;color:var(--muted);font-size:16px}.eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:#137f72;font-size:12px;letter-spacing:.7px;background:rgba(79,242,208,.1)}.hero{position:relative;min-height:570px;overflow:hidden;color:#fff;background:#101522 url('/assets/images/backpic/back-3.webp') center/cover}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,13,25,.96) 5%,rgba(12,15,31,.82) 48%,rgba(11,14,27,.35))}.hero:after{content:"";position:absolute;inset:auto -8% -30% 36%;width:480px;height:480px;background:radial-gradient(circle,rgba(79,242,208,.22),transparent 65%);filter:blur(5px)}.hero-inner{position:relative;z-index:1;min-height:570px;display:flex;align-items:center}.hero-copy{max-width:735px;padding:62px 0}.hero h1{font-size:52px;line-height:1.16;letter-spacing:-2px;margin:17px 0}.hero p{max-width:680px;margin:0;color:#d5dce8;font-size:18px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}.hero .btn-secondary{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.32)}.play-button{display:inline-flex;align-items:center;gap:11px;margin-top:28px;color:#effffb;font-size:14px;font-weight:800}.play-button span{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(79,242,208,.15);border:1px solid rgba(79,242,208,.52);font-size:16px;transition:.25s ease}.play-button:hover span{transform:scale(1.1);background:var(--cyan);color:#111522}.metric-row{display:flex;flex-wrap:wrap;gap:11px;margin-top:37px}.hero-metric{min-width:128px;padding:10px 13px;border:1px solid rgba(255,255,255,.2);border-radius:15px;background:rgba(20,27,43,.58);backdrop-filter:blur(10px)}.hero-metric b{display:block;color:var(--cyan);font-size:20px;line-height:1.2}.hero-metric small{color:#c4ccda;font-size:12px}.dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:#aeb7c5}.path-shell{display:grid;grid-template-columns:.9fr 1.5fr;gap:24px;align-items:stretch}.path-intro{padding:35px;background:linear-gradient(150deg,#e9fffa,#efedff);border-radius:var(--radius);border:1px solid #d7ece9}.path-intro h2{font-size:31px;line-height:1.35;margin:15px 0}.path-intro p{color:#59616d;margin:0}.path-list{display:grid;gap:13px}.path-item{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:19px 22px;box-shadow:0 8px 26px rgba(25,32,53,.04);transition:.25s}.path-item:hover{transform:translateX(5px);border-color:#c6c1ff;box-shadow:var(--shadow)}.step{font-size:13px;font-weight:900;color:#6559da;background:#f0efff;border-radius:13px;padding:10px 8px;text-align:center}.path-item h3{font-size:17px;margin:0 0 3px}.path-item p{font-size:13px;color:var(--muted);margin:0}.arrow{font-size:22px;color:var(--violet)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.25s}.card:hover{transform:translateY(-5px);border-color:#c9c5ff;box-shadow:0 22px 55px rgba(25,32,53,.14)}.guide-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.story-card{padding:0;overflow:hidden}.story-card img{height:280px}.story-body{padding:28px}.story-body h3{font-size:25px;line-height:1.4;margin:12px 0}.story-body p{margin:0;color:var(--muted)}.mini-stack{display:grid;gap:18px}.mini-card{padding:24px}.mini-card h3{font-size:19px;margin:12px 0 8px}.mini-card p{font-size:14px;color:var(--muted);margin:0}.badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.data-badge{background:#fff;border:1px solid var(--line);border-radius:19px;padding:22px 19px}.data-badge strong{display:block;font-size:30px;line-height:1.15;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}.data-badge span{display:block;font-weight:800;font-size:14px;margin-top:8px}.data-badge small{color:var(--muted);font-size:12px}.reading-panel{display:grid;grid-template-columns:.85fr 1.15fr;overflow:hidden;border-radius:30px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.reading-panel img{height:100%;min-height:430px}.reading-copy{padding:44px}.reading-copy h2{font-size:32px;line-height:1.35;margin:15px 0}.reading-copy p{color:var(--muted);margin:0 0 16px}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{position:relative;padding:10px 0 10px 29px;border-bottom:1px solid var(--line);font-size:14px}.check-list li:before{content:"✓";position:absolute;left:0;color:#19a98c;font-weight:900}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{overflow:hidden}.topic-card img{height:174px}.topic-card .topic-body{padding:22px}.topic-card h3{font-size:18px;line-height:1.45;margin:12px 0 8px}.topic-card p{font-size:13px;color:var(--muted);margin:0 0 16px}.text-link{font-size:13px;font-weight:900;color:#6357d9}.text-link:hover{display:inline-block;text-decoration:underline;transform:translateX(3px)}.terms{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.term{padding:19px 20px;border-left:3px solid var(--cyan);background:#191f30;border-radius:0 17px 17px 0}.term h3{margin:0 0 5px;font-size:16px}.term p{margin:0;color:#abb5c5;font-size:13px}.habit-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:23px}.habit-note{padding:34px;background:linear-gradient(135deg,#7867ff,#a854ff);color:#fff;border-radius:var(--radius)}.habit-note h2{font-size:30px;line-height:1.35;margin:13px 0}.habit-note p{color:#ece9ff}.habit-list{display:grid;gap:12px}.habit-item{display:flex;gap:16px;padding:18px 19px;background:#fff;border:1px solid var(--line);border-radius:18px}.habit-item b{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:10px;background:#eafff8;color:#0f8872}.habit-item h3{font-size:16px;margin:0 0 3px}.habit-item p{font-size:13px;color:var(--muted);margin:0}.faq{max-width:930px}.accordion-item{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:11px;overflow:hidden}.accordion-title{width:100%;border:0;background:#fff;text-align:left;display:flex;justify-content:space-between;gap:20px;padding:19px 22px;color:var(--ink);font-weight:900}.accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1}.accordion-item.open .accordion-title:after{content:"−"}.accordion-content{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.cta{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:51px 56px;border-radius:30px;background:var(--grad);color:#11131a}.cta h2{font-size:31px;line-height:1.3;margin:0 0 9px}.cta p{max-width:670px;margin:0;color:#252a36}.cta-actions{display:flex;gap:11px;flex-shrink:0}.cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.65)}.footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h3{font-size:15px;color:#fff;margin:0 0 14px}.footer p,.footer a{color:#8e99a9;font-size:13px}.footer a:hover{color:var(--cyan)}.footer-links{display:grid;gap:7px}.copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.float-cta{position:fixed;right:20px;bottom:20px;z-index:15}.float-cta a{display:block;padding:12px 18px;border-radius:99px;background:var(--grad);font-size:13px;font-weight:900;box-shadow:0 10px 30px rgba(0,0,0,.2)}@media(max-width:1080px){.main-nav{overflow-x:auto}.main-nav::-webkit-scrollbar{display:none}.main-nav a{font-size:11px}.nav-actions .btn-secondary{display:none}.hero h1{font-size:44px}.topic-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.container{padding:0 18px}.topbar{flex-wrap:wrap;padding:11px 0;gap:10px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;order:3;flex-basis:100%;padding:5px 0 8px;flex-wrap:wrap}.main-nav.show{display:flex}.main-nav a{font-size:13px;padding:8px 9px}.nav-actions{margin-left:auto}.nav-actions .btn{padding:9px 10px;font-size:12px}.hero,.hero-inner{min-height:560px}.hero h1{font-size:39px}.hero-copy{padding:56px 0}.hero p{font-size:16px}.section{padding:65px 0}.section-head h2{font-size:29px}.path-shell,.guide-grid,.reading-panel,.habit-grid{grid-template-columns:1fr}.reading-panel img{height:260px;min-height:0}.reading-copy{padding:30px}.badge-wall{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.cta{padding:38px 30px;display:block}.cta-actions{margin-top:22px}.path-item{grid-template-columns:54px 1fr}.path-item .arrow{display:none}}@media(max-width:520px){.logo{font-size:21px}.nav-actions .btn-secondary{display:none}.hero h1{font-size:34px}.hero-actions,.cta-actions{display:grid;grid-template-columns:1fr}.hero-actions .btn,.cta-actions .btn{width:100%}.hero-metric{min-width:calc(50% - 6px);flex:1}.section-head h2,.reading-copy h2,.habit-note h2,.cta h2{font-size:27px}.path-item{padding:17px}.badge-wall,.topic-grid,.terms,.footer-grid{grid-template-columns:1fr}.story-card img{height:220px}.float-cta{right:13px;bottom:13px}.float-cta a{padding:10px 14px}.footer{padding-top:45px}}

/* roulang page: category4 */
:root{
      --ink:#11131a;--muted:#69707d;--paper:#f5f7fa;--white:#fff;--dark:#111522;
      --cyan:#4ff2d0;--violet:#7867ff;--lime:#b9f35a;--line:#e4e8ee;
      --grad:linear-gradient(120deg,#4ff2d0 0%,#7867ff 58%,#a854ff 100%);
      --grad-soft:linear-gradient(140deg,rgba(79,242,208,.13),rgba(120,103,255,.12) 58%,rgba(185,243,90,.1));
      --radius:24px;--shadow:0 18px 55px rgba(25,32,53,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;line-height:1.78;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,textarea:focus,select:focus{outline:3px solid rgba(79,242,208,.5);outline-offset:3px}
    h1,h2,h3,h4,p{word-break:break-word}
    h1{font-size:clamp(34px,5vw,64px);line-height:1.12;margin:16px 0 20px;font-weight:900;letter-spacing:0}
    h2{font-size:clamp(26px,3.2vw,42px);line-height:1.18;margin:0 0 16px;font-weight:900;letter-spacing:0}
    h3{font-size:20px;line-height:1.35;margin:0 0 10px;font-weight:850;letter-spacing:0}
    p{margin-top:0}
    .container{max-width:1240px;margin:auto;padding:0 26px}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,247,250,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,232,238,.8)}
    .topbar{min-height:78px;display:flex;align-items:center;gap:28px}
    .logo{font-weight:900;font-size:23px;letter-spacing:0;white-space:nowrap;display:inline-flex;align-items:center}
    .logo i{display:inline-block;width:12px;height:12px;margin-right:9px;background:var(--grad);border-radius:4px;transform:skew(-18deg)}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .main-nav a{font-size:14px;color:#59616d;padding:10px 12px;border-radius:12px;white-space:nowrap}
    .main-nav a:hover,.main-nav a.active{color:var(--ink);background:#e9edf3}
    .nav-actions{display:flex;gap:10px;white-space:nowrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:13px;padding:11px 18px;font-weight:800;font-size:14px;cursor:pointer;transition:.25s ease;min-height:44px}
    .btn-primary{color:#10131b;background:var(--grad);box-shadow:0 8px 22px rgba(120,103,255,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 13px 28px rgba(120,103,255,.32);color:#10131b}
    .btn-secondary{color:#313746;background:var(--white);border:1px solid #dce1e8}
    .btn-secondary:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px)}
    .btn-dark{background:#11131a;color:#fff;border:1px solid rgba(255,255,255,.18)}
    .btn-dark:hover{background:#202636;color:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;background:none;border:0;font-size:25px;color:var(--ink);padding:8px 0;cursor:pointer}
    .page-hero{position:relative;overflow:hidden;background:var(--dark) url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,16,29,.96) 0%,rgba(12,16,29,.84) 45%,rgba(12,16,29,.38) 100%)}
    .hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:34px;align-items:end;min-height:590px;padding:86px 0 58px}
    .hero-copy{max-width:760px}
    .hero-copy p{font-size:18px;color:#d4dbe7;max-width:720px;margin:0 0 28px}
    .eyebrow,.tag{display:inline-flex;align-items:center;border:1px solid rgba(79,242,208,.36);border-radius:99px;padding:5px 12px;color:var(--cyan);font-size:12px;letter-spacing:1px;background:rgba(79,242,208,.08)}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .recommend-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:30px;padding:24px;backdrop-filter:blur(16px);box-shadow:0 30px 70px rgba(0,0,0,.28)}
    .recommend-card .topline{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}
    .recommend-card h2{font-size:24px;margin-bottom:10px}
    .recommend-card p{color:#cfd7e5;font-size:14px;margin-bottom:18px}
    .pick-list{display:grid;gap:10px;margin:18px 0 22px}
    .pick-item{display:flex;justify-content:space-between;gap:12px;align-items:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:12px 14px}
    .pick-item strong{font-size:14px}
    .pick-item span{font-size:12px;color:#b9c4d5}
    .metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
    .metric-chip{min-width:132px;border-radius:18px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.1);padding:16px 18px}
    .metric-chip strong{display:block;font-size:28px;line-height:1;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text}
    .metric-chip small{color:#c6cfde}
    .section{padding:86px 0}
    .section.tight{padding:62px 0}
    .dark-section{background:var(--dark);color:#fff}
    .dark-section p,.dark-section .section-head p{color:#aeb7c5}
    .section-head{max-width:780px;margin-bottom:34px}
    .section-head p{color:var(--muted);font-size:16px;margin:0}
    .section-kicker{display:inline-block;color:#6559da;background:#f1efff;border:1px solid #dcd8ff;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:800;margin-bottom:12px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.25s ease}
    .card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(25,32,53,.14);border-color:#c9c5ff}
    .card p{color:var(--muted);font-size:14px;margin-bottom:0}
    .card .tag{color:#6559da;border-color:#d9d5ff;background:#f4f2ff;letter-spacing:0;margin-bottom:14px}
    .pain-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
    .pain-main{background:#fff;border:1px solid var(--line);border-radius:30px;padding:38px;box-shadow:var(--shadow)}
    .pain-main p{color:#5f6673;margin-bottom:16px}
    .issue-list{display:grid;gap:14px}
    .issue-item{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;background:linear-gradient(145deg,#fff,#eefefa);border:1px solid var(--line);border-radius:22px;padding:20px}
    .issue-num{width:42px;height:42px;border-radius:14px;background:var(--grad);display:grid;place-items:center;font-weight:900;color:#11131a}
    .filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
    .filter-btn{border:1px solid #dce1e8;background:#fff;color:#424a57;border-radius:999px;padding:10px 16px;font-weight:800;cursor:pointer;transition:.25s ease}
    .filter-btn:hover,.filter-btn.active{background:#111522;color:#fff;border-color:#111522;transform:translateY(-2px)}
    .gear-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .gear-card{padding:0;overflow:hidden}
    .gear-card img{height:190px}
    .gear-body{padding:24px}
    .gear-meta{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 16px}
    .mini-badge{display:inline-flex;align-items:center;border-radius:999px;background:#f4f7fb;border:1px solid #e3e8ef;color:#59616d;padding:5px 10px;font-size:12px;font-weight:800}
    .spec-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .data-badge{padding:23px 20px;border-radius:19px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(25,32,53,.06)}
    .data-badge strong{font-size:31px;display:block;background:var(--grad);color:transparent;background-clip:text;-webkit-background-clip:text;line-height:1.08}
    .data-badge small{color:var(--muted)}
    .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:30px;padding:18px;box-shadow:var(--shadow)}
    .compare-row{display:grid;grid-template-columns:170px 1fr 1fr 1fr;gap:12px;padding:14px;border-bottom:1px solid var(--line);align-items:center}
    .compare-row:last-child{border-bottom:0}
    .compare-row strong{font-size:15px}
    .compare-cell{border-radius:16px;background:#f6f8fb;padding:14px;color:#5d6572;font-size:14px;min-height:74px}
    .compare-cell.highlight{background:linear-gradient(145deg,rgba(79,242,208,.18),rgba(120,103,255,.14));color:#252a36;border:1px solid rgba(120,103,255,.18)}
    .story-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}
    .story-grid img{border-radius:30px;height:470px;box-shadow:var(--shadow)}
    .story-copy p{color:#5f6673;margin-bottom:16px}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .flow-step{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px;box-shadow:0 14px 38px rgba(25,32,53,.07)}
    .flow-step b{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:13px;background:#111522;color:#fff;margin-bottom:18px}
    .scenario-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scenario-card{min-height:245px;background:linear-gradient(145deg,#fff 0%,#f0fffb 100%)}
    .quote-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .quote-main{background:var(--grad);border-radius:30px;padding:38px;color:#11131a}
    .quote-main p{font-size:18px;color:#252a36}
    .quote-list{display:grid;gap:14px}
    .quote-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 12px 34px rgba(25,32,53,.07)}
    .quote-card p{color:#59616d;margin-bottom:8px}
    .faq{max-width:920px}
    .accordion{margin:0;background:transparent}
    .accordion-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:11px;overflow:hidden}
    .accordion-title{display:flex;justify-content:space-between;align-items:center;padding:19px 22px;font-weight:850;cursor:pointer;color:var(--ink);border:0;font-size:16px;line-height:1.4}
    .accordion-title:hover,.accordion-title:focus{background:#f6f8fb;color:#4f43c9}
    .accordion-title:after{content:"+";color:var(--violet);font-size:23px;line-height:1;margin-left:12px}
    .accordion-item.open .accordion-title:after{content:"−"}
    .accordion-content{display:none;padding:0 22px 20px;color:#606876;background:#fff;border:0}
    .accordion-item.open .accordion-content{display:block}
    .subscribe-panel{display:grid;grid-template-columns:1fr 420px;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:30px;padding:36px;box-shadow:var(--shadow)}
    .form-card{background:#f7f9fc;border:1px solid #e1e6ee;border-radius:24px;padding:22px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
    .form-card input,.form-card select,.form-card textarea{width:100%;border:1px solid #d5dbe4;border-radius:13px;padding:12px 15px;background:#fff;color:#1d2230;transition:.25s ease}
    .form-card textarea{min-height:96px;resize:vertical;margin-bottom:12px}
    .form-card input:focus,.form-card select:focus,.form-card textarea:focus{border-color:var(--violet);box-shadow:0 0 0 4px rgba(120,103,255,.12)}
    .form-note{font-size:12px;color:#788190;margin-top:10px;margin-bottom:0}
    .cta{border-radius:30px;padding:54px 60px;background:var(--grad);display:flex;align-items:center;justify-content:space-between;gap:30px;color:#11131a}
    .cta p{max-width:650px;margin:0;color:#252a36}
    .cta-actions{display:flex;gap:11px;flex-shrink:0;flex-wrap:wrap}
    .cta .btn-secondary{background:rgba(255,255,255,.45);border-color:rgba(255,255,255,.6)}
    .footer{background:#101522;color:#d5dbe4;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}
    .footer h3{font-size:15px;color:#fff;margin-bottom:14px}
    .footer p,.footer a{color:#8e99a9;font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer-links{display:grid;gap:7px}
    .copyright{border-top:1px solid #2b3342;margin-top:38px;padding-top:20px;color:#8792a2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .float-cta{position:fixed;right:20px;bottom:20px;z-index:15}
    .float-cta a{padding:12px 18px;border-radius:999px;background:var(--grad);color:#11131a;font-weight:900;box-shadow:0 14px 34px rgba(79,242,208,.26)}
    .float-cta a:hover{transform:translateY(-3px)}
    @media (max-width:1120px){
      .topbar{gap:18px}
      .main-nav{position:absolute;left:26px;right:26px;top:78px;display:none;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px;box-shadow:var(--shadow)}
      .main-nav.open{display:flex}
      .main-nav a{padding:12px 14px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-actions{display:none}
      .topbar{position:relative}
      .hero-grid,.subscribe-panel{grid-template-columns:1fr}
      .recommend-card{max-width:560px}
      .gear-grid,.spec-wall{grid-template-columns:repeat(2,1fr)}
      .flow-grid{grid-template-columns:repeat(2,1fr)}
      .compare-row{grid-template-columns:140px 1fr 1fr}
      .compare-row .compare-cell:nth-child(4){grid-column:2 / 4}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:768px){
      .container{padding:0 18px}
      .section{padding:64px 0}
      .hero-grid{min-height:auto;padding:66px 0 44px}
      .hero-copy p{font-size:16px}
      .metric-chip{min-width:calc(50% - 6px)}
      .pain-panel,.story-grid,.scenario-layout,.quote-strip{grid-template-columns:1fr}
      .story-grid img{height:330px}
      .gear-grid,.spec-wall,.flow-grid{grid-template-columns:1fr}
      .compare-wrap{overflow:auto}
      .compare-row{min-width:760px;grid-template-columns:150px 1fr 1fr 1fr}
      .compare-row .compare-cell:nth-child(4){grid-column:auto}
      .form-row{grid-template-columns:1fr}
      .cta{padding:34px 24px;display:block}
      .cta-actions{margin-top:22px}
      .cta-actions .btn,.hero-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
      .float-cta{right:14px;bottom:14px}
    }
    @media (max-width:520px){
      h1{font-size:34px}
      h2{font-size:27px}
      .topbar{min-height:68px}
      .main-nav{top:68px;left:18px;right:18px}
      .logo{font-size:20px}
      .recommend-card,.pain-main,.card,.subscribe-panel{border-radius:20px;padding:22px}
      .gear-body{padding:20px}
      .metric-row{gap:9px}
      .metric-chip{min-width:100%}
      .page-hero:before{background:linear-gradient(100deg,rgba(12,16,29,.98) 0%,rgba(12,16,29,.9) 100%)}
    }