/* roulang page: index */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button,input{font:inherit}button{cursor:pointer}::selection{background:#cce6ff;color:var(--ink)}
    .shell{width:min(1180px,calc(100% - 48px));margin:auto}.section{padding:88px 0}.section-tight{padding:58px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}.display{font-size:clamp(31px,4vw,55px);line-height:1.22;letter-spacing:-.045em;font-weight:900}.section-title{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.035em;font-weight:900;margin:9px 0 14px}.lead{font-size:16px;color:var(--muted);max-width:700px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}.btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}.btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}.btn-soft{background:#eaf4ff;color:var(--blue)}.btn-soft:hover{background:#d8ebff}.pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}.header-inner{height:76px;display:flex;align-items:center;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}.main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}.nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}.head-actions{display:flex;align-items:center;gap:10px}.search{width:166px;position:relative}.search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}.search input:focus{background:#fff;border-color:#83b6ed}.search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}.menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .hero{position:relative;padding:54px 0 64px;background:linear-gradient(180deg,#fff 0%,#eff7ff 100%);overflow:hidden}.hero:after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-250px;top:-250px;background:radial-gradient(circle,rgba(41,142,237,.15),transparent 67%)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:42px;align-items:center}.hero-copy{padding:22px 0}.hero-copy .intro{color:#53647d;font-size:17px;max-width:600px;margin:21px 0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}.hero-mini{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px}.hero-mini div{border-left:2px solid #a7d1fb;padding-left:11px}.hero-mini strong{display:block;font-size:20px;line-height:1.1}.hero-mini span{font-size:12px;color:var(--muted)}.whitepaper{background:#fff;border:1px solid #dce9f7;border-radius:26px;padding:18px;box-shadow:var(--shadow);position:relative}.paper-cover{border-radius:18px;min-height:355px;padding:30px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background:linear-gradient(145deg,rgba(5,48,106,.87),rgba(18,103,214,.75)),url('/assets/images/backpic/back-1.webp') center/cover}.paper-cover:before{content:"♠";position:absolute;right:24px;top:5px;color:rgba(255,255,255,.13);font-size:148px;line-height:1}.paper-cover h2{font-size:30px;color:#fff;line-height:1.3;font-weight:900;position:relative;margin:7px 0}.paper-cover p{position:relative;color:#dceeff;font-size:14px;margin:0}.paper-tag{position:relative;align-self:flex-start;background:rgba(255,255,255,.17);color:#fff;border:1px solid rgba(255,255,255,.3);padding:4px 10px;border-radius:99px;font-size:12px}.paper-foot{display:flex;align-items:center;justify-content:space-between;padding:15px 4px 2px;font-size:13px;color:var(--muted)}.paper-foot strong{color:var(--ink)}
    .kpi-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:26px}.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}.about-card p{color:#556780;margin:14px 0 0}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:14px}.metric{border-radius:18px;background:#eaf5ff;padding:22px}.metric:nth-child(2){background:#edf9f5}.metric:nth-child(3){background:#fff6dc}.metric:nth-child(4){background:#f1efff}.metric b{font-size:29px;display:block;line-height:1.2}.metric span{font-size:13px;color:#61728d}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:26px}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}.news-item{display:grid;grid-template-columns:96px 1fr auto;gap:17px;padding:20px 24px;border-bottom:1px solid #e8f0f8;align-items:start;transition:.2s}.news-item:last-child{border:0}.news-item:hover{background:#f7fbff}.news-date{font-size:12px;color:#7488a3;padding-top:3px}.news-item h3{margin:0 0 5px;font-size:16px;font-weight:900}.news-item p{font-size:13px;color:#667790;line-height:1.65;margin:0}.read-more{font-size:13px;font-weight:800;color:var(--blue);white-space:nowrap;padding-top:5px}.read-more:hover{text-decoration:underline}.feature-news{min-height:100%;border-radius:var(--radius);overflow:hidden;position:relative;background:#153f76;color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:end}.feature-news:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,32,72,.96),rgba(8,32,72,.2)),url('/assets/images/coverpic/cover-2.webp') center/cover;opacity:.78}.feature-news>*{position:relative}.feature-news h3{font-size:25px;line-height:1.35;margin:12px 0}.feature-news p{color:#dceaff;font-size:14px}
    .service-grid{display:grid;grid-template-columns:.8fr 1.1fr 1.1fr;gap:18px;align-items:stretch}.service-intro{padding:22px 12px}.service-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm);transition:.24s}.service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#e8f4ff;color:var(--blue);font-size:23px;margin-bottom:18px}.service-card:nth-child(3) .icon{background:#eaf8f4;color:var(--green)}.service-card h3{font-size:19px;margin:0 0 9px;font-weight:900}.service-card p{font-size:14px;color:var(--muted);margin:0}
    .directory{background:#102f5e;color:#fff;position:relative;overflow:hidden}.directory:before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover;opacity:.16}.directory .shell{position:relative}.directory .lead{color:#c8ddfa}.directory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}.directory-card{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:18px;padding:20px;transition:.22s}.directory-card:hover{background:rgba(255,255,255,.15);transform:translateY(-4px)}.directory-card .count{display:block;color:#9bc9ff;font-size:13px;margin-bottom:9px}.directory-card h3{margin:0;font-size:18px}.directory-card p{font-size:13px;color:#c7dcf8;margin:8px 0 15px}.directory-card a{font-size:13px;color:#fff;font-weight:800}
    .process-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}.process-image{position:relative}.process-image img{width:100%;height:390px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.process-float{position:absolute;right:-18px;bottom:22px;background:#fff;border-radius:16px;padding:15px 18px;box-shadow:var(--shadow-sm);border:1px solid var(--line);font-size:13px}.steps{display:grid;gap:15px}.step{display:grid;grid-template-columns:46px 1fr;gap:14px;padding:15px;border-bottom:1px solid #e6eef7}.step-num{width:36px;height:36px;border-radius:50%;background:#e7f3ff;color:var(--blue);display:grid;place-items:center;font-weight:900}.step h3{margin:0 0 3px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:14px}
    .promise-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.promise{display:flex;align-items:flex-start;gap:12px;padding:12px 0}.promise i{font-style:normal;width:34px;height:34px;border-radius:10px;background:#eaf6ff;color:var(--blue);display:grid;place-items:center;flex:none}.promise b{display:block;font-size:14px}.promise span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .comparison-wrap{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow-sm);margin-top:28px}.comparison{width:100%;border-collapse:collapse;text-align:left}.comparison th,.comparison td{padding:16px 20px;border-bottom:1px solid #e8eff7;font-size:14px}.comparison th{color:#58708e;background:#f7fbff;font-size:13px}.comparison tr:last-child td{border-bottom:0}.recommended{background:#eaf5ff!important;color:var(--blue);font-weight:800}.check{color:var(--green);font-weight:900}
    .app-band{background:linear-gradient(120deg,#e8f5ff,#f5fbff);overflow:hidden}.app-grid{display:grid;grid-template-columns:1fr .95fr;gap:50px;align-items:center}.app-points{display:grid;gap:12px;margin:24px 0}.app-point{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#53647d}.app-point span{width:22px;height:22px;display:grid;place-items:center;flex:none;border-radius:50%;background:#cfe9ff;color:var(--blue);font-weight:900;font-size:12px}.app-visual{display:flex;justify-content:center;position:relative}.device{width:285px;border:10px solid #173d70;border-radius:35px;background:#fff;padding:13px;box-shadow:0 25px 50px rgba(21,66,127,.24);transform:rotate(4deg)}.device-top{height:18px;width:90px;background:#173d70;border-radius:0 0 12px 12px;margin:-13px auto 12px}.device-screen{border-radius:20px;background:linear-gradient(145deg,#1a70d9,#99d3ff);padding:20px;min-height:355px;color:#fff}.device-screen h3{font-size:22px;margin:35px 0 8px}.screen-card{background:rgba(255,255,255,.18);padding:13px;border-radius:13px;margin-top:14px;font-size:12px}.qr{position:absolute;right:8%;bottom:15px;background:#fff;padding:12px;border-radius:14px;box-shadow:var(--shadow-sm);font-size:12px;color:var(--ink)}.qr-code{width:64px;height:64px;margin:auto auto 5px;background:repeating-linear-gradient(45deg,#12365f 0 4px,#fff 4px 8px);border-radius:5px}
    .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}.story-grid img{height:350px;width:100%;object-fit:cover;border-radius:24px}.story-copy p{color:#596b84;margin:0 0 16px}.quote{border-left:4px solid var(--gold);background:#fff9e7;padding:16px 18px;border-radius:0 14px 14px 0;font-size:15px;color:#4c596b}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);margin-top:28px}.time{padding:0 18px 0 20px;border-left:1px solid #cadcf0;min-height:116px}.time:first-child{border-left:0;padding-left:0}.time b{font-size:14px;color:var(--blue)}.time h3{font-size:16px;margin:5px 0}.time p{font-size:13px;color:var(--muted);margin:0}
    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}.faq-list{display:grid;gap:11px}.faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.faq-q{width:100%;background:#fff;border:0;color:var(--ink);text-align:left;padding:17px 18px;font-size:15px;font-weight:850;display:flex;justify-content:space-between;gap:12px}.faq-q span:last-child{color:var(--blue);font-size:20px;line-height:1}.faq-a{padding:0 18px 17px;color:#5e708a;font-size:14px;display:none}.faq.open .faq-a{display:block}.faq.open .faq-q{color:var(--blue)}
    .download-box{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow-sm)}.form-row{display:flex;gap:10px;margin-top:20px}.form-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:11px;padding:12px 14px;outline:0;color:var(--ink)}.form-note{font-size:12px;color:#74869e;margin:11px 0 0}.cta{padding:68px 0}.cta-card{border-radius:26px;padding:48px;position:relative;overflow:hidden;background:linear-gradient(115deg,#0c4fa9,#2384e8);color:#fff}.cta-card:after{content:"♣";position:absolute;right:3%;top:-55px;font-size:250px;color:rgba(255,255,255,.08);line-height:1}.cta-card>*{position:relative}.cta-card h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;margin:7px 0 13px;font-weight:900}.cta-card p{color:#d7eaff;max-width:650px}.cta-card .btn-light{color:var(--blue);border:0}.cta-card .btn-light:hover{background:#f0f7ff}
    .footer{background:#091d38;color:#c4d2e5;padding:58px 0 23px}.footer-top{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}.footer .logo{color:#fff}.footer p{font-size:13px;color:#9eb3ce;max-width:350px}.footer h3{font-size:14px;color:#fff;margin:3px 0 12px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:#8da5c1}.footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){.main-nav{overflow:auto}.search{display:none}.hero-grid,.process-grid,.app-grid,.story-grid,.faq-layout{grid-template-columns:1fr}.hero-grid{gap:20px}.whitepaper{max-width:620px}.news-layout{grid-template-columns:1fr}.feature-news{min-height:300px}.service-grid{grid-template-columns:1fr 1fr}.service-intro{grid-column:span 2}.directory-grid{grid-template-columns:repeat(2,1fr)}.story-grid img{height:300px}.footer-top{grid-template-columns:1.3fr 1fr}.footer-top>div:last-child{grid-column:span 2}}
    @media(max-width:768px){.shell{width:min(100% - 32px,1180px)}.header-inner{height:66px;gap:12px}.main-nav{display:none}.head-actions .btn-light{display:none}.menu-toggle{display:block;margin-left:auto}.site-header.menu-open .main-nav{display:flex;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 16px;flex-wrap:wrap;box-shadow:var(--shadow-sm)}.hero{padding-top:30px}.section{padding:62px 0}.kpi-grid,.news-layout{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(4,1fr)}.metric{padding:15px}.metric b{font-size:22px}.news-item{grid-template-columns:1fr;gap:7px;padding:17px}.read-more{padding:0}.service-grid{grid-template-columns:1fr}.service-intro{grid-column:auto;padding:8px 0}.directory-grid{grid-template-columns:1fr 1fr}.promise-grid{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr;gap:20px}.time:nth-child(odd){border-left:0;padding-left:0}.time{min-height:auto}.comparison{min-width:650px}.comparison-wrap{overflow:auto}.footer-top{grid-template-columns:1fr 1fr}.footer-top>div:last-child{grid-column:auto}.qr{right:3%}}
    @media(max-width:520px){.display{font-size:33px}.hero-actions .btn{width:100%}.hero-mini{gap:12px}.metrics{grid-template-columns:1fr 1fr}.paper-cover{min-height:300px}.directory-grid,.promise-grid,.timeline,.footer-top{grid-template-columns:1fr}.time,.time:nth-child(odd){border-left:1px solid #cadcf0;padding-left:18px}.time:first-child{border-left:0;padding-left:0}.cta-card{padding:30px 23px}.form-row{flex-direction:column}.form-row .btn{width:100%}.device{width:250px}.qr{right:0;bottom:5px}.footer-bottom{display:block}.footer-bottom>*{display:block;margin:6px 0}.section-title{font-size:28px}}

/* roulang page: category3 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .shell{width:min(1160px,calc(100% - 40px));margin:auto}
    .section{padding:86px 0}
    .section-tight{padding:55px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
    .section-title{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-.035em;font-weight:900;margin:9px 0 14px}
    .lead{font-size:16px;color:var(--muted);max-width:710px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 21px;font-weight:800;transition:.22s ease;border:1px solid transparent}
    .btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}
    .btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .btn-soft{background:#eaf4ff;color:var(--blue)}
    .btn-soft:hover{background:#d8ebff}
    .pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}
    .header-inner{height:76px;display:flex;align-items:center;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
    .nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}
    .search{width:166px;position:relative}
    .search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0}
    .search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}
    .header-entry{font-size:13px;color:var(--muted);font-weight:700;white-space:nowrap}
    .menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .hero{position:relative;padding:70px 0 76px;background:linear-gradient(105deg,rgba(9,44,91,.95),rgba(18,103,214,.8)),url('/assets/images/backpic/back-2.webp') center/cover;overflow:hidden;color:#fff}
    .hero:after{content:"";position:absolute;right:-140px;top:-160px;width:470px;height:470px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.04),0 0 0 72px rgba(255,255,255,.03)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
    .hero h1{font-size:clamp(35px,5vw, sixtypx);font-size:clamp(35px,5vw,62px);line-height:1.12;letter-spacing:-.055em;margin:18px 0}
    .hero p{font-size:17px;color:#dceaff;max-width:640px}
    .hero .eyebrow{color:#c9e3ff}
    .hero .eyebrow:before{background:var(--gold)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero .btn-light{background:#fff;color:var(--blue)}
    .burst{position:absolute;right:8%;top:24px;z-index:2;background:var(--gold);color:#543500;width:92px;height:92px;border-radius:50%;display:grid;place-items:center;text-align:center;font-weight:900;font-size:13px;line-height:1.25;transform:rotate(10deg);box-shadow:0 12px 24px rgba(0,0,0,.16)}
    .hero-panel{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);border-radius:25px;padding:25px;box-shadow:0 20px 45px rgba(2,25,59,.2);backdrop-filter:blur(8px)}
    .hero-panel img{height:205px;width:100%;object-fit:cover;border-radius:17px;margin-bottom:20px}
    .panel-row{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.2);padding:13px 0;color:#dceaff;font-size:13px}
    .panel-row strong{color:#fff;font-size:17px}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
    .intro-copy p{color:var(--muted);font-size:16px}
    .quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm);border-left:5px solid var(--gold)}
    .quote-box strong{display:block;font-size:22px;line-height:1.4;margin-bottom:12px}
    .quote-box span{color:var(--muted);font-size:14px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm);transition:.24s}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card.large{background:#eaf4ff;padding:31px}
    .icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:#d9ecff;color:var(--blue);font-size:21px;margin-bottom:19px}
    .feature-card:nth-child(3) .icon{background:#eaf8f4;color:var(--green)}
    .feature-card h3{font-size:19px;margin:0 0 9px;font-weight:900}
    .feature-card p{font-size:14px;color:var(--muted);margin:0}
    .scene-wrap{background:#fff;border-radius:28px;border:1px solid var(--line);padding:12px;box-shadow:var(--shadow-sm)}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr}
    .scene-image img{height:355px;width:100%;object-fit:cover;border-radius:20px}
    .scene-list{padding:28px 30px}
    .scene-list h3{font-size:23px;margin:0 0 16px}
    .check-list{list-style:none;padding:0;margin:0}
    .check-list li{position:relative;padding:11px 0 11px 31px;border-bottom:1px solid #edf2f8;color:#556780;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:10px;color:var(--green);font-weight:900;background:#eaf8f4;border-radius:50%;width:21px;height:21px;text-align:center;line-height:21px}
    .process{background:#eff7ff}
    .process-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}
    .process-image img{height:360px;width:100%;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}
    .steps{display:grid;gap:15px}
    .step{display:grid;grid-template-columns:43px 1fr;gap:15px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-sm)}
    .step-number{width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}
    .step h3{margin:0 0 3px;font-size:16px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .table-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .data-card{background:#102f59;color:#fff;border-radius:24px;padding:31px;box-shadow:var(--shadow)}
    .data-card h3{font-size:25px;margin:0 0 12px}
    .data-card p{color:#c9dcf6;font-size:14px}
    .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:23px}
    .stat{padding:16px;border:1px solid rgba(255,255,255,.18);border-radius:14px}
    .stat strong{display:block;font-size:27px;color:#fff}
    .stat span{font-size:12px;color:#b9d2f1}
    .tips{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .tip{padding:22px;border:1px solid var(--line);background:#fff;border-radius:17px;box-shadow:var(--shadow-sm)}
    .tip h3{font-size:16px;margin:0 0 6px}
    .tip p{font-size:13px;color:var(--muted);margin:0}
    .proof{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}
    .proof img{height:250px;width:100%;object-fit:cover;border-radius:20px}
    .proof blockquote{font-size:22px;line-height:1.55;font-weight:800;margin:0 0 14px}
    .proof cite{font-style:normal;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px}
    .faq-list{display:grid;gap:11px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-q{width:100%;background:none;border:0;text-align:left;padding:18px 21px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:15px}
    .faq-q span{color:var(--blue);font-size:20px;line-height:1}
    .faq-a{display:none;padding:0 21px 18px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{padding:64px 0;background:linear-gradient(110deg,#1267d6,#0b4fac);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:clamp(26px,3vw,39px);line-height:1.25;margin:0 0 10px}
    .cta p{color:#d8e9ff;margin:0;max-width:650px}
    .footer{background:#0c1e38;color:#d6e3f4;padding:52px 0 22px}
    .footer-top{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:50px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer .logo{color:#fff}
    .footer p{color:#9fb5d1;font-size:13px;max-width:410px;margin:17px 0 0}
    .footer h3{font-size:14px;color:#fff;margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#9fb5d1;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:12px 26px;padding-top:20px;color:#8fa6c3;font-size:12px}
    @media(max-width:1024px){.main-nav{overflow-x:auto}.search{display:none}.hero-grid,.process-grid,.intro-grid,.table-section,.faq-grid{gap:28px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-row:span 2}.hero h1{font-size:48px}}
    @media(max-width:768px){.shell{width:min(100% - 30px,600px)}.header-inner{height:68px}.main-nav{display:none;position:absolute;left:15px;right:15px;top:76px;background:#fff;padding:10px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:11px 13px}.menu-toggle{display:block;margin-left:auto}.header-entry{display:none}.hero{padding:55px 0 60px}.hero-grid,.intro-grid,.process-grid,.table-section,.proof-grid,.faq-grid,.scene-grid{grid-template-columns:1fr}.burst{right:4%;top:13px;width:78px;height:78px;font-size:11px}.hero h1{font-size:42px}.hero-panel{margin-top:8px}.feature-grid{grid-template-columns:1fr}.feature-card.large{grid-row:auto}.section{padding:62px 0}.section-head,.cta-inner{display:block}.section-head .lead{margin-top:12px}.scene-image img{height:260px}.scene-list{padding:22px 18px}.process-image img{height:280px}.proof img{height:220px}.footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-top>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.hero-actions .btn{width:100%}.hero h1{font-size:37px}.hero p{font-size:15px}.feature-card,.data-card{padding:22px}.tips,.stats{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:grid;gap:8px}.cta .btn{margin-top:24px;width:100%}}

/* roulang page: category1 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--red:#e25c5c;--radius:22px;--radius-sm:15px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .shell{width:min(1160px,calc(100% - 48px));margin:0 auto}
    .section{padding:84px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
    .section-title{font-size:clamp(27px,3.1vw,40px);line-height:1.28;letter-spacing:-.045em;font-weight:900;margin:9px 0 14px}
    .lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}
    .btn:focus,.nav-link:focus,.faq-q:focus,input:focus,.menu-toggle:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}
    .btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .btn-soft{background:#eaf4ff;color:var(--blue)}
    .btn-soft:hover{background:#d8ebff}
    .pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}
    .header-inner{height:76px;display:flex;align-items:center;gap:24px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
    .nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}
    .search{width:166px;position:relative;flex:none}
    .search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}
    .search input:focus{background:#fff;border-color:#83b6ed}
    .search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}
    .header-action{white-space:nowrap;padding:10px 14px;font-size:13px}
    .menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .inner-hero{position:relative;min-height:528px;display:flex;align-items:center;overflow:hidden;background:#0c438d}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,34,75,.97) 0%,rgba(10,55,114,.88) 50%,rgba(10,55,114,.31) 100%),url('/assets/images/backpic/back-1.webp') center/cover}
    .inner-hero:after{content:"";position:absolute;width:520px;height:520px;right:-210px;bottom:-280px;border:1px solid rgba(255,255,255,.15);border-radius:50%;box-shadow:0 0 0 56px rgba(255,255,255,.04),0 0 0 115px rgba(255,255,255,.03)}
    .hero-layout{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .68fr;gap:55px;align-items:center;padding:64px 0}
    .hero-copy{color:#fff}
    .hero-copy .eyebrow{color:#aad5ff}
    .hero-copy h1{font-size:clamp(36px,5vw,61px);line-height:1.13;letter-spacing:-.06em;margin:15px 0 20px;font-weight:900}
    .hero-copy p{max-width:620px;color:#d9eafd;font-size:17px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
    .hero-facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:31px}
    .hero-facts div{padding-left:12px;border-left:2px solid #65b2fb}
    .hero-facts strong{display:block;font-size:20px;line-height:1.15}
    .hero-facts span{font-size:12px;color:#bbd9f7}
    .portrait-panel{justify-self:end;width:min(100%,304px);padding:13px;border-radius:31px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.27);box-shadow:0 24px 55px rgba(0,19,56,.27);transform:rotate(2.5deg)}
    .portrait-panel img{height:390px;width:100%;object-fit:cover;border-radius:22px}
    .portrait-meta{padding:13px 8px 5px;color:#fff}
    .portrait-meta small{display:block;color:#bcdbfa;font-size:12px}
    .portrait-meta strong{font-size:15px}
    .quick-strip{margin-top:-35px;position:relative;z-index:3}
    .quick-card{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow);overflow:hidden}
    .quick-item{padding:22px 25px;border-right:1px solid var(--line)}
    .quick-item:last-child{border-right:0}
    .quick-item b{display:block;font-size:15px;margin-bottom:3px}
    .quick-item span{color:var(--muted);font-size:13px;line-height:1.5}
    .notice{border-left:4px solid var(--gold);padding:14px 17px;background:#fffaf0;border-radius:0 13px 13px 0;color:#72551a;font-size:14px}
    .rule-grid{display:grid;grid-template-columns:.93fr 1.07fr;gap:42px;align-items:start}
    .rule-intro{position:sticky;top:104px}
    .rule-intro .image-wrap{margin-top:26px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .rule-intro img{height:270px;width:100%;object-fit:cover}
    .rule-list{display:grid;gap:13px}
    .rule-row{display:grid;grid-template-columns:50px 1fr;gap:17px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow-sm);transition:.22s}
    .rule-row:hover{transform:translateX(4px);border-color:#bcd9f6}
    .rule-num{width:39px;height:39px;display:grid;place-items:center;border-radius:13px;background:#eaf4ff;color:var(--blue);font-weight:900}
    .rule-row h3{font-size:18px;margin:0 0 4px;font-weight:900}
    .rule-row p{margin:0;color:var(--muted);font-size:14px}
    .flow-bg{background:var(--pale);border-top:1px solid #e3effa;border-bottom:1px solid #e3effa}
    .flow-layout{display:grid;grid-template-columns:.77fr 1.23fr;gap:48px;align-items:center}
    .flow-steps{display:grid;gap:0}
    .flow-step{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:0 0 27px;position:relative}
    .flow-step:not(:last-child):before{content:"";position:absolute;width:2px;left:26px;top:47px;bottom:0;background:#b9d9f8}
    .step-dot{height:52px;width:52px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);border:1px solid #c7e0f8;box-shadow:var(--shadow-sm);font-weight:900}
    .flow-step h3{margin:5px 0 4px;font-size:18px;font-weight:900}
    .flow-step p{margin:0;color:var(--muted);font-size:14px}
    .side-article{background:#fff;border-radius:var(--radius);padding:34px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .side-article h3{font-size:25px;line-height:1.35;margin:0 0 16px;font-weight:900}
    .side-article p{color:var(--muted);font-size:15px}
    .check-list{display:grid;gap:11px;margin:21px 0 0;padding:0;list-style:none}
    .check-list li{position:relative;padding-left:29px;color:#40536f;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:19px;height:19px;border-radius:50%;display:grid;place-items:center;background:#dff6ef;color:var(--green);font-weight:900;font-size:12px}
    .scene-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:19px;margin-top:31px}
    .scene-large{position:relative;min-height:385px;border-radius:23px;overflow:hidden;color:#fff;padding:33px;display:flex;align-items:flex-end}
    .scene-large:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,37,76,.92),rgba(9,37,76,.1)),url('/assets/images/coverpic/cover-5.webp') center/cover}
    .scene-large>*{position:relative}
    .scene-large h3{font-size:28px;line-height:1.25;margin:8px 0}
    .scene-large p{margin:0;color:#d8e9fc;font-size:14px;max-width:490px}
    .scene-stack{display:grid;gap:19px}
    .scene-small{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow-sm);transition:.22s}
    .scene-small:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .scene-icon{width:42px;height:42px;display:grid;place-items:center;background:#e8f3ff;color:var(--blue);border-radius:13px;font-size:21px}
    .scene-small h3{font-size:18px;margin:15px 0 6px;font-weight:900}
    .scene-small p{margin:0;color:var(--muted);font-size:13px}
    .split-content{display:grid;grid-template-columns:1fr 1fr;gap:25px;align-items:stretch}
    .content-card{border-radius:23px;padding:32px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}
    .content-card.blue-card{background:linear-gradient(135deg,#0e60ca,#0b4393);border-color:#0e60ca;color:#fff}
    .content-card h3{font-size:25px;line-height:1.3;margin:0 0 12px;font-weight:900}
    .content-card p{margin:0;color:var(--muted);font-size:15px}
    .blue-card p{color:#d5e8ff}
    .do-list{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:12px}
    .do-list li{padding:12px 13px;background:#f6faff;border-radius:11px;color:#3d5272;font-size:14px}
    .blue-card .do-list li{background:rgba(255,255,255,.12);color:#edf6ff}
    .comparison{margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .compare-card{padding:20px;border:1px solid var(--line);background:#fff;border-radius:17px;box-shadow:var(--shadow-sm)}
    .compare-card strong{display:block;font-size:16px;margin-bottom:7px}
    .compare-card span{font-size:13px;color:var(--muted)}
    .tools-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
    .tools-photo{position:relative}
    .tools-photo img{height:400px;width:100%;object-fit:cover;border-radius:25px;box-shadow:var(--shadow)}
    .floating-note{position:absolute;right:-18px;bottom:26px;width:190px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow)}
    .floating-note b{font-size:14px;display:block}
    .floating-note span{font-size:12px;color:var(--muted)}
    .tool-points{display:grid;gap:13px;margin-top:25px}
    .tool-point{display:flex;gap:13px;align-items:flex-start}
    .tool-point i{font-style:normal;width:29px;height:29px;flex:none;display:grid;place-items:center;background:#eaf4ff;color:var(--blue);border-radius:9px;font-weight:900}
    .tool-point b{display:block;font-size:15px}
    .tool-point span{display:block;font-size:13px;color:var(--muted)}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;background:none;border:0;padding:18px 20px;text-align:left;color:var(--ink);font-size:16px;font-weight:900}
    .faq-q span:last-child{color:var(--blue);font-size:22px;line-height:1;transition:.2s}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta-box{position:relative;overflow:hidden;border-radius:28px;padding:50px 54px;background:linear-gradient(120deg,#0c4fac,#1477e5);color:#fff;box-shadow:0 24px 50px rgba(14,88,184,.24)}
    .cta-box:before{content:"♠";position:absolute;right:50px;bottom:-92px;color:rgba(255,255,255,.1);font-size:285px;line-height:1}
    .cta-box>div{position:relative;max-width:700px}
    .cta-box h2{font-size:clamp(28px,3.4vw,42px);line-height:1.28;margin:10px 0 13px;font-weight:900;letter-spacing:-.045em}
    .cta-box p{color:#d9ebff;margin:0;font-size:16px}
    .cta-box .hero-actions{margin-top:26px}
    .footer{background:#0c1f3c;color:#d5e3f5;padding:57px 0 24px;margin-top:0}
    .footer-top{display:grid;grid-template-columns:1.35fr .85fr .85fr;gap:48px;padding-bottom:42px;border-bottom:1px solid rgba(184,211,244,.17)}
    .footer .logo{color:#fff}
    .footer p{max-width:390px;color:#a9c0dc;font-size:14px;margin:15px 0 0}
    .footer h3{font-size:14px;color:#fff;margin:4px 0 15px;font-weight:900}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:14px;color:#aec6e2;transition:.2s}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:#8faacb;font-size:12px}
    @media(max-width:1120px){.header-inner{gap:13px}.nav-link{padding:8px 7px;font-size:13px}.search{width:142px}.header-action{display:none}}
    @media(max-width:930px){.main-nav{position:absolute;left:0;right:0;top:76px;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);display:none;flex-wrap:wrap;box-shadow:var(--shadow-sm)}.main-nav.open{display:flex}.menu-toggle{display:block;margin-left:auto}.search{margin-left:auto}.hero-layout,.rule-grid,.flow-layout,.tools-layout,.faq-layout{grid-template-columns:1fr}.portrait-panel{justify-self:start;width:260px}.rule-intro{position:static}.quick-card{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.faq-layout{gap:28px}}
    @media(max-width:700px){.shell{width:min(100% - 32px,1160px)}.section{padding:63px 0}.section-tight{padding:43px 0}.header-inner{height:68px}.main-nav{top:68px;padding:12px 16px}.nav-link{font-size:13px}.search{display:none}.inner-hero{min-height:auto}.hero-layout{padding:57px 0 61px;gap:28px}.hero-copy h1{font-size:39px}.portrait-panel{width:218px}.portrait-panel img{height:286px}.quick-strip{margin-top:-18px}.quick-card{grid-template-columns:1fr}.quick-item,.quick-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.quick-item:last-child{border-bottom:0}.scene-grid,.split-content{grid-template-columns:1fr}.scene-large{min-height:320px}.comparison{grid-template-columns:1fr}.tools-photo img{height:315px}.floating-note{right:10px;bottom:12px}.footer-top{grid-template-columns:1fr;gap:30px}.cta-box{padding:36px 27px}.footer-bottom{display:grid}.rule-row{padding:18px}.side-article,.content-card{padding:25px}}
    @media(max-width:420px){.logo{font-size:19px}.hero-copy h1{font-size:34px}.hero-facts{gap:13px}.hero-facts strong{font-size:18px}.portrait-panel{width:194px}.section-title{font-size:28px}.cta-box{border-radius:21px}.btn{width:100%}}

/* roulang page: category4 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .shell{width:min(1180px,calc(100% - 40px));margin:auto}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
    .section-title{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.035em;font-weight:900;margin:9px 0 14px}
    .lead{font-size:16px;color:var(--muted);max-width:700px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}
    .btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}
    .btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .btn-soft{background:#eaf4ff;color:var(--blue)}
    .btn-soft:hover{background:#d8ebff}
    .pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.93);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}
    .header-inner{height:76px;display:flex;align-items:center;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
    .nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}
    .search{width:166px;position:relative}
    .search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}
    .search input:focus{background:#fff;border-color:#83b6ed}
    .search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}
    .menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .hero{position:relative;padding:70px 0 78px;background:linear-gradient(180deg,#fff 0%,#eff7ff 100%);overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.82) 46%,rgba(239,247,255,.25) 100%),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.3}
    .hero:after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-250px;top:-250px;background:radial-gradient(circle,rgba(41,142,237,.17),transparent 67%)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}
    .hero h1{font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.06em;margin:15px 0 18px;font-weight:950}
    .hero-copy .intro{color:#53647d;font-size:17px;max-width:630px;margin:21px 0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
    .hero-mini{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px}
    .hero-mini div{border-left:2px solid #a7d1fb;padding-left:11px}
    .hero-mini strong{display:block;font-size:20px;line-height:1.1}
    .hero-mini span{font-size:12px;color:var(--muted)}
    .score-board{position:relative;max-width:390px;margin:auto;background:#102f5c;border-radius:28px;padding:18px;box-shadow:0 24px 55px rgba(13,61,119,.25);transform:rotate(2deg)}
    .score-board img{width:100%;height:210px;object-fit:cover;border-radius:18px;opacity:.7}
    .score-overlay{position:absolute;inset:18px;padding:22px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(180deg,rgba(10,38,77,.15),rgba(10,38,77,.92));border-radius:18px}
    .score-overlay h2{font-size:25px;line-height:1.25;margin:0;font-weight:900}
    .score-row{display:flex;justify-content:space-between;align-items:end;border-top:1px solid rgba(255,255,255,.23);padding-top:12px}
    .score-row strong{font-size:28px;color:#ffd36b}
    .surface{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .intro-band{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:stretch}
    .text-panel{padding:34px}
    .text-panel p{color:var(--muted);margin:13px 0}
    .quick-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat{padding:23px;background:#f3f8ff;border-radius:17px;border:1px solid #e3effb}
    .stat strong{display:block;color:var(--blue);font-size:29px;line-height:1.2}
    .stat span{font-size:13px;color:var(--muted)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:31px}
    .section-head .lead{margin:0}
    .feature-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}
    .feature-image{min-height:390px;border-radius:24px;overflow:hidden;position:relative;background:#123b70}
    .feature-image img{width:100%;height:100%;object-fit:cover;opacity:.82}
    .image-caption{position:absolute;left:25px;right:25px;bottom:23px;color:#fff}
    .image-caption h3{font-size:24px;margin:8px 0 3px;line-height:1.3}
    .image-caption p{font-size:13px;color:#d9e9ff;margin:0}
    .method-list{display:grid;gap:13px}
    .method-item{display:grid;grid-template-columns:46px 1fr;gap:15px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:17px;transition:.22s}
    .method-item:hover{transform:translateX(4px);box-shadow:var(--shadow-sm)}
    .method-no{width:38px;height:38px;border-radius:12px;background:#e8f3ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .method-item h3{margin:0 0 3px;font-size:17px}
    .method-item p{margin:0;color:var(--muted);font-size:14px}
    .blue-section{background:#0e3568;color:#fff}
    .blue-section .eyebrow{color:#9bc9ff}
    .blue-section .lead{color:#c7dcf8}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-top:30px}
    .scenario{padding:25px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);border-radius:19px;transition:.22s}
    .scenario:hover{background:rgba(255,255,255,.15);transform:translateY(-4px)}
    .scenario b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#ffd36b;color:#173c6d;margin-bottom:15px}
    .scenario h3{font-size:18px;margin:0 0 7px}
    .scenario p{font-size:14px;color:#c7dcf8;margin:0}
    .table-wrap{display:grid;grid-template-columns:1fr .82fr;gap:22px;align-items:start}
    .rules-card{padding:27px}
    .rules-card h3{margin:0 0 15px;font-size:20px}
    .rule-line{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid #e8f0f8;font-size:14px}
    .rule-line:last-child{border-bottom:0}
    .rule-line span:last-child{font-weight:900;color:var(--blue)}
    .tip-card{padding:28px;background:#eaf8f4;border:1px solid #cdeee5;border-radius:var(--radius)}
    .tip-card h3{margin:0 0 10px;color:#087b66;font-size:20px}
    .tip-card p{font-size:14px;color:#47776e;margin:0 0 15px}
    .check-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
    .check-list li{position:relative;padding-left:25px;color:#536780;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:900}
    .tool-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .tool-card{padding:30px}
    .tool-card h3{margin:0 0 10px;font-size:21px}
    .tool-card p{color:var(--muted);font-size:14px}
    .tool-card img{width:100%;height:190px;object-fit:cover;border-radius:16px;margin-top:18px}
    .quote{padding:31px;background:#fff7e4;border:1px solid #f5dfac;border-radius:var(--radius);color:#6d572b}
    .quote strong{display:block;font-size:19px;color:#8b661d;margin-bottom:8px}
    .quote p{margin:0;font-size:15px}
    .faq-wrap{max-width:850px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;background:none;border:0;text-align:left;padding:21px 4px;display:flex;justify-content:space-between;gap:20px;color:var(--ink);font-weight:900;font-size:16px}
    .faq-q span{color:var(--blue);font-size:22px;line-height:1}
    .faq-a{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 4px}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta{position:relative;overflow:hidden;background:linear-gradient(120deg,#1267d6,#0b4fac);border-radius:28px;padding:48px 55px;color:#fff}
    .cta:after{content:"♠";position:absolute;right:55px;top:10px;font-size:170px;line-height:1;color:rgba(255,255,255,.08)}
    .cta h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:0 0 12px;position:relative;z-index:1}
    .cta p{max-width:650px;color:#d8eaff;position:relative;z-index:1}
    .cta .btn{position:relative;z-index:1;margin-top:14px}
    .footer{background:#0c1f3d;color:#d5e3f6;padding:58px 0 24px}
    .footer .logo{color:#fff}
    .footer-top{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:55px;padding-bottom:42px}
    .footer-top p{max-width:410px;color:#9fb4d0;font-size:14px;margin:18px 0 0}
    .footer h3{font-size:15px;color:#fff;margin:4px 0 16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{font-size:13px;color:#9fb4d0;transition:.2s}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#8fa7c5;font-size:12px}
    @media(max-width:1024px){.main-nav{overflow-x:auto}.search{display:none}.hero-grid{gap:30px}.shell{width:min(100% - 32px,1180px)}}
    @media(max-width:768px){.header-inner{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;left:16px;right:16px;top:74px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:10px;flex-direction:column;align-items:stretch}.main-nav.open{display:flex}.nav-link{padding:11px 13px}.hero{padding:48px 0 58px}.hero-grid,.intro-band,.feature-layout,.table-wrap,.tool-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.score-board{max-width:430px;transform:none}.section{padding:63px 0}.section-head{display:block}.section-head .lead{margin-top:12px}.scenario-grid{grid-template-columns:1fr}.quick-stats{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.shell{width:calc(100% - 28px)}.hero h1{font-size:37px}.hero-copy .intro{font-size:15px}.hero-actions .btn{width:100%}.text-panel,.rules-card,.tool-card{padding:23px}.feature-image{min-height:310px}.quick-stats{gap:9px}.stat{padding:17px 14px}.stat strong{font-size:24px}.cta{padding:34px 24px}.cta:after{right:-15px;font-size:130px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:grid;gap:9px}}

/* roulang page: category2 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .shell{width:min(1160px,calc(100% - 40px));margin:0 auto}
    .section{padding:88px 0}
    .section-tight{padding:58px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
    .section-title{font-size:clamp(26px,3vw,38px);line-height:1.3;letter-spacing:-.035em;font-weight:900;margin:9px 0 14px}
    .lead{font-size:16px;color:var(--muted);max-width:720px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}
    .btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}
    .btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
    .btn-soft{background:#eaf4ff;color:var(--blue)}
    .btn-soft:hover{background:#d8ebff}
    .pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}
    .header-inner{height:76px;display:flex;align-items:center;gap:24px}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
    .logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}
    .main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
    .nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}
    .search{width:166px;position:relative}
    .search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}
    .search input:focus{background:#fff;border-color:#83b6ed}
    .search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}
    .menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .hero{position:relative;padding:60px 0 70px;background:linear-gradient(180deg,#fff 0%,#eff7ff 100%);overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.94),rgba(239,247,255,.76)),url('/assets/images/backpic/back-2.webp') center/cover;opacity:.5}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center}
    .hero h1{font-size:clamp(38px,5vw,64px);line-height:1.12;letter-spacing:-.065em;margin:12px 0 20px;font-weight:950}
    .hero-copy .intro{color:#53647d;font-size:17px;max-width:620px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-mini{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px}
    .hero-mini div{border-left:2px solid #a7d1fb;padding-left:11px}
    .hero-mini strong{display:block;font-size:20px;line-height:1.1}
    .hero-mini span{font-size:12px;color:var(--muted)}
    .rank-board{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .rank-board-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .rank-board h2{font-size:20px;margin:0;font-weight:900}
    .rank-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid #edf2f8}
    .rank-row:last-child{border:0}
    .rank-no{width:30px;height:30px;border-radius:10px;background:#eaf4ff;color:var(--blue);display:grid;place-items:center;font-weight:900}
    .rank-row strong{display:block;font-size:15px}
    .rank-row span{display:block;color:var(--muted);font-size:12px}
    .rank-suit{margin-left:auto;font-size:22px;color:var(--blue)}
    .split{display:grid;grid-template-columns:.83fr 1.17fr;gap:42px;align-items:start}
    .note-panel{background:#103b70;color:#fff;border-radius:24px;padding:32px;box-shadow:var(--shadow)}
    .note-panel h3{font-size:24px;line-height:1.35;margin:0 0 13px}
    .note-panel p{color:#d8e9ff;margin:0}
    .note-list{list-style:none;padding:0;margin:24px 0 0}
    .note-list li{padding:13px 0;border-top:1px solid rgba(255,255,255,.18);font-size:14px}
    .note-list b{color:#fff;margin-right:8px}
    .ranking-table{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .ranking-item{display:grid;grid-template-columns:70px 1fr 140px;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid #eaf0f7}
    .ranking-item:last-child{border:0}
    .ranking-item:hover{background:#f7fbff}
    .ranking-number{font-size:27px;font-weight:950;color:#bdd4ee}
    .ranking-item h3{font-size:17px;margin:0 0 4px;font-weight:900}
    .ranking-item p{font-size:13px;color:var(--muted);margin:0}
    .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow-sm);transition:.24s}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .card img{height:150px;width:100%;object-fit:cover;border-radius:15px;margin-bottom:19px}
    .card h3{font-size:19px;margin:0 0 9px;font-weight:900}
    .card p{font-size:14px;color:var(--muted);margin:0}
    .icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eaf4ff;color:var(--blue);font-weight:900;font-size:19px;margin-bottom:16px}
    .dark-section{background:#0e2c54;color:#fff}
    .dark-section .lead{color:#c8ddfa}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}
    .compare-box{padding:28px;border-radius:20px;border:1px solid var(--line);background:#fff}
    .compare-box.highlight{background:#f1f8ff;border-color:#b9d8f8}
    .compare-box h3{margin:0 0 12px;font-size:20px}
    .compare-box ul{padding-left:20px;color:var(--muted);margin:0}
    .compare-box li{margin:7px 0}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:30px}
    .step{position:relative;padding:23px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm)}
    .step em{font-style:normal;color:var(--blue);font-weight:950;font-size:25px}
    .step h3{font-size:17px;margin:7px 0}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .quote{background:#fff;border-left:4px solid var(--gold);padding:24px 28px;border-radius:0 18px 18px 0;box-shadow:var(--shadow-sm);font-size:17px;color:#40536f}
    .faq-wrap{max-width:850px;margin-top:28px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin-bottom:12px;overflow:hidden}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;border:0;background:#fff;padding:19px 22px;color:var(--ink);font-weight:900}
    .faq-q span:last-child{color:var(--blue);font-size:20px}
    .faq-a{display:none;padding:0 22px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:55px 0;background:#eaf4ff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:25px;background:#fff;border:1px solid #cfe3f8;border-radius:25px;padding:35px 40px;box-shadow:var(--shadow-sm)}
    .cta h2{font-size:30px;line-height:1.3;margin:0 0 8px}
    .cta p{color:var(--muted);margin:0;max-width:650px}
    .footer{background:#0a203e;color:#d9e8fb;padding:54px 0 24px}
    .footer-top{display:grid;grid-template-columns:1.4fr .7fr .7fr;gap:55px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.14)}
    .footer .logo{color:#fff}
    .footer p{color:#a9c0dd;max-width:380px;font-size:14px;margin:18px 0 0}
    .footer h3{font-size:15px;color:#fff;margin:5px 0 16px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#a9c0dd}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;color:#91aac8;font-size:12px}
    @media(max-width:1024px){.header-inner{gap:12px}.main-nav{overflow-x:auto}.search{width:145px}.hero-grid,.split{gap:28px}.cards{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.shell{width:min(100% - 30px,620px)}.header-inner{height:68px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:68px;left:15px;right:15px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:11px 13px}.search{display:none}.hero{padding:48px 0}.hero-grid,.split,.comparison{grid-template-columns:1fr}.hero h1{font-size:43px}.rank-board{transform:none}.timeline{grid-template-columns:repeat(2,1fr)}.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
    @media(max-width:520px){.section{padding:62px 0}.cards,.timeline{grid-template-columns:1fr}.ranking-item{grid-template-columns:42px 1fr}.ranking-item .pill{grid-column:2}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:20px;width:100%}.footer-top{grid-template-columns:1fr}.footer-bottom{display:grid}}

/* roulang page: category5 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--red:#db5d5d;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
    a{text-decoration:none;color:inherit} img{max-width:100%;display:block} button,input{font:inherit} button{cursor:pointer;border:0}.shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .section{padding:82px 0}.section-tight{padding:54px 0}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
    .section-title{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-.04em;font-weight:900;margin:9px 0 14px}.lead{font-size:16px;color:var(--muted);max-width:720px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}.btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}.btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}.btn-soft{background:#eaf4ff;color:var(--blue)}.btn-soft:hover{background:#d8ebff}.pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}.header-inner{height:76px;display:flex;align-items:center;gap:24px}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}.main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}.nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}.search{width:166px;position:relative}.search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}.search input:focus{background:#fff;border-color:#83b6ed}.search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}.menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
    .inner-hero{position:relative;isolation:isolate;overflow:hidden;padding:72px 0 74px;background:#123f7b;color:#fff}.inner-hero:before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(90deg,rgba(8,37,80,.96),rgba(11,74,145,.78)),url('/assets/images/backpic/back-2.webp') center/cover}.inner-hero:after{content:"";position:absolute;width:440px;height:440px;right:-100px;bottom:-240px;border:1px solid rgba(255,255,255,.26);border-radius:50%;z-index:-1}.crumb{font-size:13px;color:#bcd9f9;margin-bottom:23px}.crumb a:hover{text-decoration:underline}.inner-hero h1{font-size:clamp(38px,5vw,61px);line-height:1.14;letter-spacing:-.06em;margin:10px 0 19px;font-weight:900;max-width:760px}.inner-hero p{max-width:690px;color:#dceafd;font-size:17px;margin:0}.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.paper-tag{background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.3);color:#fff;padding:5px 11px;border-radius:99px;font-size:12px;font-weight:700}
    .invite-panel{margin-top:-30px;position:relative;z-index:3;display:grid;grid-template-columns:1.2fr .8fr;gap:26px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px 29px;box-shadow:var(--shadow)}.invite-copy{display:flex;align-items:center;gap:18px}.invite-icon{flex:0 0 auto;width:54px;height:54px;border-radius:16px;background:#e8f4ff;color:var(--blue);display:grid;place-items:center;font-size:25px}.invite-copy h2{font-size:18px;margin:0 0 3px;font-weight:900}.invite-copy p{font-size:14px;color:var(--muted);margin:0}.invite-progress{display:flex;flex-direction:column;justify-content:center}.progress-label{display:flex;justify-content:space-between;font-size:13px;font-weight:800;margin-bottom:7px}.progress-label span:last-child{color:var(--blue)}.progress{height:10px;background:#eaf1f9;border-radius:99px;overflow:hidden}.progress i{display:block;width:72%;height:100%;background:linear-gradient(90deg,#1676e9,#62aae9);border-radius:inherit}
    .intro-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:start}.intro-note{padding:27px;border-radius:20px;background:#edf7ff;border:1px solid #d8eafa}.intro-note strong{display:block;font-size:19px;margin-bottom:9px}.intro-note p{margin:0;color:#526984;font-size:15px}.longcopy p{color:#50627c;font-size:16px;margin:0 0 17px}.longcopy p:last-child{margin:0}
    .principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:31px}.principle{background:#fff;border:1px solid var(--line);padding:23px 20px;border-radius:18px;box-shadow:var(--shadow-sm);transition:.24s}.principle:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.principle b{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:#eaf4ff;color:var(--blue);font-size:15px}.principle h3{font-size:17px;margin:14px 0 7px;font-weight:900}.principle p{font-size:13px;color:var(--muted);margin:0}
    .split-band{background:#eef7ff}.scene-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:38px;align-items:stretch}.scene-image{min-height:450px;position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.scene-image img{width:100%;height:100%;object-fit:cover}.scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,42,87,.74),rgba(9,42,87,.03) 60%)}.scene-caption{position:absolute;z-index:2;left:28px;right:28px;bottom:25px;color:#fff}.scene-caption h3{font-size:25px;line-height:1.3;margin:0 0 7px}.scene-caption p{margin:0;color:#dbeaff;font-size:14px}.scene-list{display:flex;flex-direction:column;gap:12px}.scene-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:18px;transition:.22s}.scene-item:hover{border-color:#aacdf3;transform:translateX(4px)}.scene-num{flex:0 0 auto;width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-size:12px;font-weight:900}.scene-item h3{font-size:16px;margin:0 0 3px;font-weight:900}.scene-item p{font-size:13px;color:var(--muted);margin:0}
    .flow-head{display:flex;justify-content:space-between;gap:25px;align-items:end}.flow{margin-top:35px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}.flow:before{content:"";position:absolute;top:29px;left:12%;right:12%;border-top:2px dashed #b8d6f4}.flow-step{position:relative;z-index:1}.flow-dot{width:60px;height:60px;display:grid;place-items:center;border:5px solid #f8fbff;background:#e9f4ff;border-radius:50%;color:var(--blue);font-size:20px;font-weight:900}.flow-step h3{font-size:17px;margin:15px 0 7px;font-weight:900}.flow-step p{font-size:13px;color:var(--muted);margin:0}
    .say-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.say-card{padding:30px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-sm)}.say-card.good{border-top:4px solid var(--green)}.say-card.care{border-top:4px solid var(--gold)}.say-card h3{font-size:21px;margin:0 0 15px;font-weight:900}.say-list{list-style:none;padding:0;margin:0}.say-list li{display:flex;gap:11px;padding:12px 0;border-bottom:1px solid #e8f0f8;color:#51637c;font-size:14px}.say-list li:last-child{border-bottom:0}.check{color:var(--green);font-weight:900}.warn{color:#d68b12;font-weight:900}
    .guide-layout{display:grid;grid-template-columns:.96fr 1.04fr;gap:39px;align-items:center}.guide-image img{width:100%;height:400px;object-fit:cover;border-radius:24px;box-shadow:var(--shadow)}.guide-content .lead{margin-bottom:20px}.rule-row{display:grid;grid-template-columns:42px 1fr;gap:13px;padding:15px 0;border-bottom:1px solid var(--line)}.rule-row:last-child{border:0}.rule-row b{width:33px;height:33px;border-radius:10px;display:grid;place-items:center;background:#eaf4ff;color:var(--blue)}.rule-row h3{font-size:16px;margin:0 0 2px}.rule-row p{font-size:14px;color:var(--muted);margin:0}
    .quote-wrap{background:#123f7b;color:#fff;position:relative;overflow:hidden}.quote-wrap:before{content:"“";position:absolute;top:-86px;left:7%;font-size:280px;line-height:1;color:rgba(255,255,255,.07);font-family:serif}.quote-grid{position:relative;display:grid;grid-template-columns:1fr .8fr;gap:50px;align-items:center}.quote-grid blockquote{font-size:clamp(24px,3vw,35px);font-weight:900;line-height:1.55;margin:0;letter-spacing:-.03em}.quote-grid p{color:#c6dcf7;margin:18px 0 0}.quote-stat{padding:28px;border:1px solid rgba(255,255,255,.2);border-radius:20px;background:rgba(255,255,255,.08)}.quote-stat strong{font-size:40px;line-height:1;color:#fff}.quote-stat span{display:block;color:#c6dcf7;font-size:14px;margin-top:10px}.quote-stat hr{border:0;border-top:1px solid rgba(255,255,255,.2);margin:19px 0}
    .faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}.faq-intro{position:sticky;top:105px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;padding:19px 3px;text-align:left;background:transparent;color:var(--ink);font-size:16px;font-weight:900;display:flex;justify-content:space-between;gap:18px}.faq-q span:last-child{color:var(--blue);font-size:21px;transition:.2s}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}.faq-a{display:none;padding:0 3px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}
    .cta{padding:0 0 85px}.cta-box{position:relative;overflow:hidden;border-radius:26px;background:linear-gradient(120deg,#1267d6,#0c4fa9);padding:49px 54px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:0 20px 48px rgba(18,103,214,.23)}.cta-box:after{content:"";position:absolute;right:-55px;top:-100px;width:300px;height:300px;border:35px solid rgba(255,255,255,.1);border-radius:50%}.cta-box>div{position:relative;z-index:1}.cta-box h2{font-size:clamp(25px,3vw,35px);line-height:1.3;margin:0 0 10px;font-weight:900}.cta-box p{margin:0;color:#d9ebff;max-width:650px}.cta-box .btn{position:relative;z-index:1;white-space:nowrap}
    .footer{background:#0d2446;color:#d0def0;padding:59px 0 23px}.footer-top{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:58px;padding-bottom:43px}.footer .logo{color:#fff}.footer p{font-size:14px;color:#afc3dd;max-width:400px;margin:17px 0 0}.footer h3{font-size:15px;color:#fff;margin:4px 0 16px}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-links a{font-size:14px;color:#b7c9df;transition:.2s}.footer-links a:hover{color:#fff;transform:translateX(3px)}.footer-bottom{border-top:1px solid rgba(203,224,248,.16);padding-top:20px;display:flex;flex-wrap:wrap;gap:9px 24px;font-size:12px;color:#9fb5d0}
    @media(max-width:1100px){.header-inner{gap:12px}.nav-link{padding:8px 7px;font-size:13px}.search{width:132px}.principle-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:860px){.menu-toggle{display:grid;place-items:center;margin-left:auto}.header-inner{height:68px}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:14px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:10px 12px}.search{display:none}.inner-hero{padding:58px 0 68px}.invite-panel,.intro-layout,.scene-grid,.guide-layout,.quote-grid,.faq-layout{grid-template-columns:1fr}.invite-panel{margin-top:-21px}.intro-note,.faq-intro{position:static}.flow{grid-template-columns:repeat(2,1fr)}.flow:before{display:none}.footer-top{grid-template-columns:1.3fr 1fr}.footer-top>div:first-child{grid-column:1/-1}.scene-image{min-height:335px}}@media(max-width:560px){.shell{width:min(100% - 28px,1180px)}.section{padding:58px 0}.section-tight{padding:42px 0}.inner-hero h1{font-size:37px}.inner-hero p{font-size:15px}.invite-panel{padding:20px;gap:18px}.invite-copy{align-items:flex-start}.principle-grid,.say-grid,.flow{grid-template-columns:1fr}.flow-step{display:grid;grid-template-columns:60px 1fr;column-gap:15px;align-items:center}.flow-step h3{margin:0}.flow-step p{grid-column:2}.flow-dot{grid-row:1/3}.flow-head{display:block}.flow-head .btn{margin-top:15px}.scene-image{min-height:285px}.scene-caption{left:20px;right:20px;bottom:19px}.guide-image img{height:275px}.quote-grid{gap:28px}.cta-box{padding:35px 25px;display:block}.cta-box .btn{margin-top:22px;width:100%}.footer-top{grid-template-columns:1fr;gap:27px}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}}

/* roulang page: category6 */
:root{--ink:#10213d;--muted:#60718d;--blue:#1267d6;--blue-dark:#0b4fac;--pale:#eff7ff;--line:#dce8f5;--white:#fff;--gold:#f4b740;--green:#139b7f;--radius:22px;--shadow:0 18px 45px rgba(28,75,135,.11);--shadow-sm:0 8px 24px rgba(28,75,135,.08)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.75;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button,input{font:inherit}
button{cursor:pointer}
.shell{width:min(1160px,calc(100% - 40px));margin:0 auto}
.section{padding:88px 0}
.section-tight{padding:58px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:4px}
.section-title{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.04em;font-weight:900;margin:9px 0 14px}
.lead{font-size:16px;color:var(--muted);max-width:740px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-weight:800;transition:.22s ease;border:1px solid transparent}
.btn:focus,.nav-link:focus,.faq-q:focus,input:focus{outline:3px solid rgba(18,103,214,.22);outline-offset:3px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(18,103,214,.24)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
.btn-light{background:#fff;border-color:#dbe8f7;color:var(--ink)}
.btn-light:hover{border-color:#9cc5f4;box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.btn-soft{background:#eaf4ff;color:var(--blue)}
.btn-soft:hover{background:#d8ebff}
.pill{display:inline-flex;align-items:center;padding:5px 10px;border-radius:99px;background:#e7f3ff;color:var(--blue);font-size:12px;font-weight:800}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,245,.8)}
.header-inner{height:76px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:900;letter-spacing:-.05em;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#1676e9,#0c54bb);box-shadow:0 8px 18px rgba(18,103,214,.25);font-size:17px}
.main-nav{display:flex;align-items:center;gap:2px;flex:1;min-width:0}
.nav-link{padding:8px 10px;border-radius:9px;color:#53647d;font-size:14px;font-weight:700;white-space:nowrap;transition:.2s}
.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf6ff}
.search{width:166px;position:relative}
.search input{width:100%;border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:9px 10px 9px 31px;color:var(--ink);font-size:13px;outline:0;transition:.2s}
.search input:focus{background:#fff;border-color:#83b6ed}
.search:before{content:"⌕";position:absolute;left:11px;top:4px;color:#7890ac;font-size:19px}
.menu-toggle{display:none;border:0;background:#edf6ff;color:var(--blue);width:40px;height:40px;border-radius:10px;font-size:20px}
.hero{position:relative;isolation:isolate;padding:76px 0 82px;background:linear-gradient(102deg,rgba(9,42,91,.95),rgba(18,103,214,.77)),url('/assets/images/backpic/back-3.webp') center/cover;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 85% 17%,rgba(244,183,64,.29),transparent 26%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-copy{color:#fff}
.hero-copy .eyebrow{color:#d9ecff}
.hero-copy .eyebrow:before{background:var(--gold)}
.hero h1{font-size:clamp(39px,5vw,62px);line-height:1.12;letter-spacing:-.06em;margin:16px 0 18px;font-weight:900}
.hero-intro{max-width:625px;color:#e1efff;font-size:17px;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
.hero .btn-light{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.94)}
.hero-stat{display:flex;gap:24px;margin-top:30px}
.hero-stat div{padding-left:13px;border-left:2px solid #8bc2fc}
.hero-stat strong{display:block;font-size:21px;line-height:1.2}
.hero-stat span{font-size:12px;color:#cfe5ff}
.hero-panel{padding:22px;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.75);border-radius:28px;box-shadow:0 22px 55px rgba(4,27,67,.3);color:var(--ink)}
.hero-panel img{width:100%;height:205px;object-fit:cover;border-radius:18px}
.hero-panel h2{font-size:21px;font-weight:900;margin:18px 0 7px}
.hero-panel p{color:var(--muted);font-size:14px;margin:0}
.checkline{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid #e8eff7;font-size:14px;font-weight:700}
.checkline:last-child{border-bottom:0}
.checkline b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#e7f7f3;color:var(--green);font-size:13px}
.breadcrumb{padding:18px 0;color:#71829b;font-size:13px}
.breadcrumb a{color:var(--blue);font-weight:700}
.split-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
.tool-grid{display:grid;grid-template-columns:1.08fr .92fr .92fr;gap:18px}
.tool-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);overflow:hidden;transition:.25s}
.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.tool-card.featured{grid-row:span 2;background:#eaf5ff}
.tool-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:#dceeff;color:var(--blue);font-size:23px;margin-bottom:20px}
.tool-card:nth-child(3) .tool-icon{background:#fff2d5;color:#c48610}
.tool-card:nth-child(4) .tool-icon{background:#e7f7f3;color:var(--green)}
.tool-card h3{font-size:21px;line-height:1.35;margin:0 0 8px;font-weight:900}
.tool-card p{font-size:14px;color:var(--muted);margin:0}
.tool-card ul{padding:0;margin:18px 0 0;list-style:none}
.tool-card li{font-size:13px;color:#465a76;padding:8px 0;border-top:1px solid rgba(174,205,236,.48)}
.tool-card img{height:186px;width:100%;object-fit:cover;border-radius:16px;margin-top:22px}
.context{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.context-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
.context-image{position:relative}
.context-image img{width:100%;height:420px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow)}
.float-note{position:absolute;right:-20px;bottom:26px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow-sm);max-width:230px}
.float-note strong{display:block;font-size:17px}
.float-note span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
.bullet-list{list-style:none;margin:25px 0 0;padding:0}
.bullet-list li{position:relative;padding:13px 0 13px 31px;border-bottom:1px solid #e7eef7;color:#475b76}
.bullet-list li:before{content:"✓";position:absolute;left:0;top:14px;display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e6f6f2;color:var(--green);font-size:12px;font-weight:900}
.flow{background:#102f5d;color:#fff}
.flow .eyebrow{color:#a9d1ff}
.flow .lead{color:#c6dcf8}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.flow-item{padding:24px 20px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);border-radius:18px;min-height:205px}
.flow-num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#2d77d0;color:#fff;font-size:13px;font-weight:900;margin-bottom:21px}
.flow-item h3{font-size:18px;margin:0 0 8px}
.flow-item p{font-size:13px;color:#cae0fa;margin:0}
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.scenario-card{display:grid;grid-template-columns:182px 1fr;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
.scenario-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.scenario-card img{height:100%;min-height:210px;width:100%;object-fit:cover}
.scenario-content{padding:25px}
.scenario-content h3{font-size:20px;margin:0 0 8px;font-weight:900}
.scenario-content p{font-size:14px;color:var(--muted);margin:0}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}
.tag{background:#edf6ff;border-radius:99px;color:var(--blue);padding:4px 9px;font-size:12px;font-weight:800}
.compare{background:#f0f7ff}
.compare-wrap{display:grid;grid-template-columns:1fr .9fr;gap:34px;align-items:start}
.choice-list{display:grid;gap:12px}
.choice{display:flex;gap:16px;align-items:flex-start;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}
.choice:hover{border-color:#9ec8f1;transform:translateX(4px)}
.choice b{display:grid;place-items:center;width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:#edf6ff;color:var(--blue)}
.choice h3{font-size:16px;margin:0 0 3px}
.choice p{font-size:13px;color:var(--muted);margin:0}
.notice{padding:28px;background:#fff;border:1px solid #cfe3f7;border-radius:22px;box-shadow:var(--shadow-sm)}
.notice h3{margin:0 0 10px;font-size:22px}
.notice p{color:var(--muted);font-size:14px}
.notice strong{color:var(--blue)}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 4px 14px rgba(28,75,135,.035)}
.faq-q{font:inherit;width:100%;display:flex;text-align:left;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);font-weight:900;background:#fff;border:0;padding:18px 20px}
.faq-q span:last-child{font-size:22px;color:var(--blue);transition:.2s}
.faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
.faq.open .faq-a{display:block}
.faq.open .faq-q span:last-child{transform:rotate(45deg)}
.resource{display:grid;grid-template-columns:1.04fr .96fr;gap:0;overflow:hidden;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.resource-copy{padding:45px}
.resource-copy h2{font-size:31px;line-height:1.3;margin:10px 0 14px;font-weight:900}
.resource-copy p{color:var(--muted)}
.resource-image{min-height:340px;background:linear-gradient(0deg,rgba(15,52,102,.13),rgba(15,52,102,.13)),url('/assets/images/coverpic/cover-11.webp') center/cover}
.cta{padding:72px 0;background:linear-gradient(120deg,#0c4fa9,#1676df);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta h2{font-size:clamp(28px,3.5vw,42px);line-height:1.28;margin:8px 0 0;font-weight:900}
.cta p{margin:12px 0 0;color:#d7eaff;max-width:660px}
.cta .pill{background:rgba(255,255,255,.15);color:#fff}
.cta .btn-light{white-space:nowrap}
.footer{background:#0c2140;color:#d1e1f5;padding:58px 0 24px}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:55px;padding-bottom:42px}
.footer .logo{color:#fff}
.footer p{font-size:13px;color:#a9c2dd;max-width:420px;margin:15px 0 0}
.footer h3{font-size:14px;color:#fff;margin:5px 0 14px}
.footer-links{display:grid;gap:8px}
.footer-links a{font-size:13px;color:#b9cde3;transition:.2s}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(202,224,248,.16);padding-top:21px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12px;color:#94afcc}
@media(max-width:1024px){.header-inner{gap:14px}.nav-link{padding:8px 7px;font-size:13px}.search{width:135px}.hero-grid,.context-grid,.faq-layout{gap:32px}.tool-grid{grid-template-columns:1fr 1fr}.tool-card.featured{grid-row:auto}.flow-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.shell{width:min(100% - 32px,1160px)}.header-inner{height:68px;gap:10px}.menu-toggle{display:block;margin-left:auto}.search{display:none}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;padding:12px 16px 18px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:10px 12px}.hero{padding:54px 0 60px}.hero-grid,.context-grid,.compare-wrap,.faq-layout,.resource{grid-template-columns:1fr}.hero-panel{max-width:590px}.section{padding:65px 0}.split-heading,.cta-inner{display:block}.split-heading .lead{margin-top:12px}.context-image{max-width:610px}.scenario-grid{grid-template-columns:1fr}.faq-layout .lead{margin-bottom:25px}.resource-image{min-height:260px;order:-1}.footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-top>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.shell{width:min(100% - 28px,1160px)}.logo{font-size:19px}.hero h1{font-size:38px}.hero-stat{gap:12px}.hero-stat div{padding-left:9px}.hero-stat strong{font-size:17px}.hero-actions .btn{width:100%}.tool-grid,.flow-grid{grid-template-columns:1fr}.scenario-card{grid-template-columns:1fr}.scenario-card img{height:190px;min-height:0}.context-image img{height:310px}.float-note{right:12px;bottom:12px}.resource-copy{padding:31px 25px}.footer-top{grid-template-columns:1fr}.footer-top>div:first-child{grid-column:auto}.footer-bottom{display:grid}.cta .btn{margin-top:24px;width:100%}}