/* roulang page: index */
:root{
      --navy:#101b35;
      --navy-2:#172747;
      --blue:#315bdc;
      --blue-dark:#2345b7;
      --cyan:#25d6c4;
      --violet:#7866ed;
      --ink:#15233e;
      --muted:#64718a;
      --line:#dfe6f2;
      --surface:#ffffff;
      --bg:#f4f7fc;
      --soft:#eaf1ff;
      --radius:16px;
      --shadow:0 12px 34px rgba(35,62,112,.09);
      --shadow-hover:0 18px 42px rgba(35,62,112,.15);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(37,214,196,.65);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:var(--navy);box-shadow:0 8px 22px rgba(7,17,39,.18)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{width:11px;height:28px;border-radius:8px 2px 8px 2px;background:var(--cyan);box-shadow:0 0 15px rgba(37,214,196,.8)}
    .main-nav{display:flex;align-items:stretch;gap:5px;margin-left:auto;height:76px}
    .main-nav a{position:relative;display:flex;align-items:center;padding:0 17px;color:#afbdd9;font-size:14px}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.05)}
    .main-nav a.active::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:9px;font-weight:700;line-height:1;cursor:pointer;transition:.25s ease}
    .nav-cta{padding:13px 18px;background:var(--cyan);color:var(--navy);font-size:14px}
    .nav-cta:hover{background:#69f2df;box-shadow:0 0 18px rgba(37,214,196,.4)}
    .menu-toggle{display:none;background:none;border:1px solid #536386;color:#fff;border-radius:8px;padding:8px 11px}
    .hero{padding:74px 0 68px;background:linear-gradient(180deg,#fff 0%,#f4f7fc 100%);border-bottom:1px solid var(--line)}
    .hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}
    .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow::before{content:"";width:24px;height:2px;background:var(--cyan)}
    h1,h2,h3{margin:0;color:var(--ink);line-height:1.2;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,64px);max-width:660px;margin:18px 0 20px}
    .hero-copy{max-width:650px;color:var(--muted);font-size:17px;line-height:1.9;margin:0 0 27px}
    .actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{min-height:48px;padding:0 21px}
    .button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(49,91,220,.22)}
    .button.primary:hover{background:var(--blue-dark);box-shadow:0 12px 24px rgba(49,91,220,.3)}
    .button.secondary{border-color:#b9c7e2;color:var(--blue);background:#fff}
    .button.secondary:hover{border-color:var(--blue);background:var(--soft)}
    .hero-book{position:relative;min-height:310px;padding:30px;background:var(--navy);border-radius:20px;color:#fff;box-shadow:var(--shadow-hover);overflow:hidden}
    .hero-book::after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(37,214,196,.45);border-radius:50%;right:-52px;top:-50px;box-shadow:0 0 0 18px rgba(37,214,196,.05),0 0 0 36px rgba(37,214,196,.035)}
    .book-label{color:var(--cyan);font-size:12px;font-weight:800;letter-spacing:.12em}
    .hero-book h2{color:#fff;font-size:28px;margin:18px 0 14px;max-width:310px}
    .hero-book p{color:#b9c8e2;font-size:14px;max-width:310px}
    .book-lines{margin-top:28px;display:grid;gap:9px;max-width:290px}
    .book-lines span{height:7px;border-radius:5px;background:#34466c}
    .book-lines span:nth-child(2){width:78%;background:#5269a0}.book-lines span:nth-child(3){width:58%;background:var(--cyan)}
    .mini-index{position:absolute;right:27px;bottom:27px;color:#8496bf;font-size:12px}
    section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}
    .section-head h2{font-size:32px;margin-top:9px}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .metric{padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
    .metric strong{display:block;font-size:32px;line-height:1;color:var(--blue);letter-spacing:-.06em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:10px}
    .status{display:inline-flex;align-items:center;gap:6px;color:#198b7d;font-size:12px;margin-top:13px}.status::before{content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%}
    .matrix{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.25s ease;position:relative;overflow:hidden}
    .card:hover{transform:translateY(-3px);border-color:#aebff0;box-shadow:var(--shadow-hover)}
    .matrix-card{padding:29px;min-height:235px}.matrix-card.main-card{background:linear-gradient(140deg,#fff 55%,#edf4ff);min-height:290px}
    .matrix-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--blue)}
    .matrix-card h3{font-size:23px;margin:18px 0 10px}.matrix-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .tag{display:inline-flex;padding:5px 10px;background:var(--soft);border-radius:7px;color:var(--blue);font-size:12px;font-weight:700;margin:3px 4px 3px 0}
    .tag.green{background:#e3faf5;color:#148d7d}.tag.purple{background:#eeeaff;color:#6250cc}
    .link-arrow{color:var(--blue);font-weight:700;font-size:14px}
    .compare{display:grid;grid-template-columns:280px 1fr;gap:20px}
    .filter-panel{padding:24px;background:var(--navy);border-radius:var(--radius);color:#fff}
    .filter-panel h3{color:#fff;font-size:18px;margin-bottom:18px}.filter-panel label{display:block;color:#aebdda;font-size:13px;margin:16px 0 7px}
    .filter-panel select{width:100%;height:42px;border:1px solid #425578;border-radius:8px;background:#1b2a4a;color:#fff;padding:0 10px}
    .result-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .result-row{display:grid;grid-template-columns:1.4fr .8fr .8fr .7fr;align-items:center;gap:14px;padding:19px 23px;border-bottom:1px solid var(--line);font-size:14px}
    .result-row:last-child{border-bottom:0}.result-row.head{background:#f7f9fd;color:var(--muted);font-size:12px;font-weight:800}
    .result-row strong{font-size:15px}.level{color:#198b7d;font-size:12px;font-weight:700}
    .chapters{display:grid;grid-template-columns:repeat(2,1fr);gap:17px}
    .chapter{display:flex;gap:18px;padding:23px;background:#fff;border:1px solid var(--line);border-radius:14px}
    .chapter-no{flex:none;color:var(--cyan);font-size:24px;font-weight:800}.chapter h3{font-size:18px;margin-bottom:6px}.chapter p{margin:0;color:var(--muted);font-size:14px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #cdd8eb}
    .step{position:relative;padding:28px 22px 0 0}.step::before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px #d9f8f3}.step h3{font-size:17px;margin-bottom:8px}.step p{color:var(--muted);font-size:14px;margin:0}
    .quote-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:20px;align-items:stretch}.quote-intro{padding:30px;background:var(--blue);border-radius:var(--radius);color:#fff}.quote-intro h2{color:#fff;font-size:29px;margin:12px 0}.quote-intro p{color:#dbe4ff;margin:0}
    .quote-card{padding:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.quote-card blockquote{font-size:19px;line-height:1.8;margin:0 0 20px;color:var(--ink)}.quote-card cite{font-style:normal;color:var(--muted);font-size:13px}
    .news-layout{display:grid;grid-template-columns:1.4fr .8fr;gap:20px}.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.news-item{display:flex;justify-content:space-between;gap:18px;padding:18px 23px;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-item h3{font-size:16px}.news-item p{color:var(--muted);font-size:13px;margin:4px 0 0}.news-date{color:#8a98af;font-size:12px;white-space:nowrap}
    .faq-list{max-width:900px;margin:auto}.faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;margin-bottom:11px;overflow:hidden}.faq-q{width:100%;border:0;background:none;text-align:left;padding:19px 22px;color:var(--ink);font-weight:700;cursor:pointer;display:flex;justify-content:space-between}.faq-q::after{content:"+";color:var(--blue);font-size:22px;line-height:1}.faq-item.open .faq-q::after{content:"−"}.faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}
    .lead-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:center;padding:42px;background:var(--navy);border-radius:20px;color:#fff}.lead-box h2{color:#fff;font-size:30px;margin:11px 0}.lead-box p{color:#b9c8e2;margin:0}.lead-form{display:grid;grid-template-columns:1fr 1fr auto;gap:10px}.lead-form input,.lead-form select{height:48px;border:1px solid #4a5d83;border-radius:8px;background:#1a2a4b;color:#fff;padding:0 13px}.lead-form input::placeholder{color:#9aaacc}.lead-form .button{background:var(--cyan);color:var(--navy);height:48px}.privacy-note{grid-column:1/-1;color:#8fa2c6;font-size:12px}
    footer{background:#0c162c;color:#9cabc6;padding:46px 0 25px;border-top:1px solid #26385d}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:40px}.footer-brand{color:#fff;font-weight:800;font-size:18px}.footer-copy{font-size:13px;max-width:310px}.footer-title{color:#fff;font-size:13px;font-weight:800;margin-bottom:12px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid #243552;margin-top:35px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){.hero-grid,.quote-layout,.lead-box{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr}.matrix-card.main-card{grid-column:1/-1}.compare{grid-template-columns:1fr}.lead-form{grid-template-columns:1fr 1fr}.lead-form .button{grid-column:1/-1}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:700px){.container{width:min(100% - 28px,560px)}.nav-wrap{min-height:66px;gap:12px}.brand{font-size:15px}.brand-mark{width:8px;height:23px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;position:absolute;top:66px;left:0;right:0;height:auto;padding:10px 14px 16px;background:var(--navy);flex-direction:column;box-shadow:0 15px 22px rgba(7,17,39,.2)}.main-nav.show{display:flex}.main-nav a{min-height:48px;padding:0 12px}.main-nav a.active::after{left:0;right:auto;top:10px;bottom:10px;width:3px}.nav-cta{display:none}.hero{padding:52px 0 48px}h1{font-size:39px}.hero-copy{font-size:15px}.metrics{grid-template-columns:1fr 1fr}.section-head{display:block}.section-head p{margin-top:13px}.matrix,.chapters,.timeline,.news-layout{grid-template-columns:1fr}.result-row{grid-template-columns:1.4fr .8fr .7fr;padding:16px}.result-row.head{display:none}.result-row span:nth-child(2){display:none}.timeline{border-top:0;gap:18px}.step{padding:0 0 0 27px;border-left:1px solid #cdd8eb}.step::before{top:3px;left:-6px}.lead-box{padding:28px 22px}.lead-form{grid-template-columns:1fr}.lead-form .button{grid-column:auto}.privacy-note{grid-column:auto}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
 --navy:#101b35;--navy-2:#172747;--blue:#315bdc;--blue-dark:#2345b7;
 --cyan:#25d6c4;--violet:#7866ed;--ink:#15233e;--muted:#64718a;
 --line:#dfe6f2;--surface:#fff;--bg:#f4f7fc;--soft:#eaf1ff;
 --radius:16px;--shadow:0 12px 34px rgba(35,62,112,.09);
 --shadow-hover:0 18px 42px rgba(35,62,112,.15)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:.25s ease}
button,input,select{font:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(37,214,196,.65);outline-offset:3px}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:var(--navy);box-shadow:0 8px 22px rgba(7,17,39,.18)}
.nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
.brand-mark{width:11px;height:28px;border-radius:8px 2px 8px 2px;background:var(--cyan);box-shadow:0 0 15px rgba(37,214,196,.8)}
.main-nav{display:flex;align-items:stretch;gap:5px;margin-left:auto;height:76px}
.main-nav a{position:relative;display:flex;align-items:center;padding:0 17px;color:#afbdd9;font-size:14px}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.05)}
.main-nav a.active::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:9px;font-weight:700;line-height:1;cursor:pointer;transition:.25s ease}
.nav-cta{padding:13px 18px;background:var(--cyan);color:var(--navy);font-size:14px}
.nav-cta:hover{background:#69f2df;box-shadow:0 0 18px rgba(37,214,196,.4)}
.menu-toggle{display:none;background:none;border:1px solid #536386;color:#fff;border-radius:8px;padding:8px 11px}
.page-hero{padding:68px 0 52px;background:linear-gradient(180deg,#fff 0%,#f4f7fc 100%);border-bottom:1px solid var(--line)}
.hero-layout{display:grid;grid-template-columns:1fr 360px;gap:58px;align-items:end}
.eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--cyan)}
h1,h2,h3{color:var(--ink);line-height:1.25;margin-top:0}
h1{font-size:clamp(34px,5vw,58px);letter-spacing:-1.8px;margin:17px 0 19px}
.hero-text{max-width:650px;color:var(--muted);font-size:17px;line-height:1.9;margin:0}
.breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.breadcrumbs a:hover{color:var(--blue)}
.hero-status{background:var(--navy);border-radius:18px;padding:25px;color:#fff;box-shadow:var(--shadow-hover);position:relative;overflow:hidden}
.hero-status:after{content:"";position:absolute;width:150px;height:150px;border:1px solid rgba(37,214,196,.4);border-radius:50%;right:-55px;top:-55px}
.status-label{color:#9eb0d0;font-size:13px}
.status-number{font-size:44px;font-weight:800;line-height:1.1;margin:9px 0;color:#fff}
.status-line{display:flex;justify-content:space-between;color:#b8c7df;font-size:13px;border-top:1px solid #334365;padding-top:13px}
section{padding:70px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:26px}
.section-head h2{font-size:31px;margin:8px 0 0}
.section-head p{max-width:530px;color:var(--muted);margin:0}
.browse-layout{display:grid;grid-template-columns:255px 1fr;gap:24px;align-items:start}
.filter-panel{background:var(--navy);color:#fff;border-radius:16px;padding:25px;position:sticky;top:100px}
.filter-panel h3{color:#fff;font-size:19px;margin:0 0 20px}
.filter-label{display:block;color:#aebddb;font-size:12px;font-weight:700;margin:17px 0 7px}
.filter-panel select,.filter-panel input{width:100%;height:43px;border:1px solid #425578;border-radius:8px;background:#1b2a4a;color:#fff;padding:0 10px}
.filter-panel input::placeholder{color:#91a1c0}
.filter-note{font-size:12px;color:#93a3c1;margin:18px 0 0}
.filter-button{width:100%;border:1px solid var(--cyan);background:transparent;color:var(--cyan);padding:11px;border-radius:8px;margin-top:21px;font-weight:700;cursor:pointer}
.filter-button:hover{background:var(--cyan);color:var(--navy)}
.content-list{display:grid;gap:12px}
.content-item{display:grid;grid-template-columns:58px 1fr auto;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;transition:.25s ease}
.content-item:hover{border-color:#aebff0;box-shadow:var(--shadow-hover);background:#fbfdff}
.item-no{font-size:24px;font-weight:800;color:#c4d0e8}
.item-body h3{font-size:18px;margin:0 0 5px}
.item-body p{font-size:13px;color:var(--muted);margin:0 0 8px}
.item-meta{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-flex;padding:4px 9px;background:var(--soft);border-radius:7px;color:var(--blue);font-size:12px;font-weight:700}
.tag.green{background:#e3faf5;color:#148d7d}.tag.purple{background:#eeeaff;color:#6250cc}
.item-side{text-align:right;white-space:nowrap}
.item-date{display:block;color:var(--muted);font-size:12px;margin-bottom:9px}
.link-arrow{color:var(--blue);font-weight:700;font-size:14px}
.link-arrow:hover{color:var(--blue-dark)}
.feature-band{background:#edf4ff;border-top:1px solid #dce7fa;border-bottom:1px solid #dce7fa}
.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.feature-card h3{font-size:23px;margin:13px 0 10px}
.feature-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
.mini-grid{display:grid;gap:24px}.mini-card{padding:24px}
.mini-card h3{font-size:18px;margin:10px 0 6px}.mini-card p{font-size:13px;color:var(--muted);margin:0}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pill{padding:8px 12px;border:1px solid var(--line);border-radius:30px;color:var(--muted);font-size:13px;background:#fff}
.pill.active{border-color:var(--blue);color:var(--blue);background:var(--soft)}
.faq-list{max-width:900px;margin:auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;margin-bottom:11px;overflow:hidden}
.faq-q{width:100%;border:0;background:none;text-align:left;padding:19px 22px;color:var(--ink);font-weight:700;cursor:pointer;display:flex;justify-content:space-between}
.faq-q:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
.faq-item.open .faq-q:after{content:"−"}
.faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
.faq-item.open .faq-a{display:block}
.cta-panel{background:var(--navy);border-radius:20px;padding:38px;color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:35px;align-items:center;box-shadow:var(--shadow-hover)}
.cta-panel h2{color:#fff;font-size:28px;margin:10px 0}.cta-panel p{color:#b8c7df;font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{color:#c3d0e7;font-size:13px}.form-grid input,.form-grid select{width:100%;height:45px;margin-top:6px;border:1px solid #526486;border-radius:8px;background:#1b2a4a;color:#fff;padding:0 12px}
.form-grid .full{grid-column:1/-1}
.button{min-height:47px;padding:0 20px}.button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(49,91,220,.22)}.button.primary:hover{background:var(--blue-dark);box-shadow:0 12px 24px rgba(49,91,220,.3)}
footer{background:var(--navy);color:#fff;padding:48px 0 20px;border-top:3px solid rgba(37,214,196,.75)}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px}.footer-brand{font-size:20px;font-weight:800;margin-bottom:10px}.footer-copy{color:#aebddb;font-size:13px;max-width:350px;margin:0}.footer-title{font-weight:700;margin-bottom:12px}.footer-links{display:grid;gap:7px;color:#aebddb;font-size:13px}.footer-links a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #2b3b5c;margin-top:35px;padding-top:18px;color:#8191af;font-size:12px}
@media(max-width:900px){.hero-layout,.feature-grid,.cta-panel{grid-template-columns:1fr;gap:28px}.browse-layout{grid-template-columns:1fr}.filter-panel{position:static}.footer-grid{grid-template-columns:1fr 1fr}.nav-wrap{gap:15px}}
@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.nav-wrap{min-height:68px}.brand{font-size:16px}.main-nav{display:none;position:absolute;left:14px;right:14px;top:68px;height:auto;flex-direction:column;background:var(--navy-2);padding:8px;border:1px solid #304264;border-radius:10px}.main-nav.show{display:flex}.main-nav a{min-height:47px;padding:0 14px}.main-nav a.active:after{left:10px;right:auto;top:11px;bottom:11px;width:3px;height:auto}.nav-cta{margin-left:auto;padding:11px 13px}.menu-toggle{display:block}.page-hero{padding:45px 0 38px}h1{font-size:36px}.hero-text{font-size:15px}.section-head{display:block}.section-head h2{font-size:27px;margin-bottom:9px}.content-item{grid-template-columns:35px 1fr;gap:12px;padding:17px}.item-side{grid-column:2;text-align:left}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:24px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category2 */
:root{
      --navy:#101b35;
      --navy-2:#172747;
      --blue:#315bdc;
      --blue-dark:#2345b7;
      --cyan:#25d6c4;
      --violet:#7866ed;
      --ink:#15233e;
      --muted:#64718a;
      --line:#dfe6f2;
      --surface:#fff;
      --bg:#f4f7fc;
      --soft:#eaf1ff;
      --green-soft:#e3faf5;
      --radius:16px;
      --shadow:0 12px 34px rgba(35,62,112,.09);
      --shadow-hover:0 18px 42px rgba(35,62,112,.15);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input,select{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(37,214,196,.65);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:var(--navy);box-shadow:0 8px 22px rgba(7,17,39,.18)}
    .nav-wrap{min-height:76px;display:flex;align-items:center;gap:30px}
    .brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:19px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}
    .brand-mark{width:11px;height:28px;border-radius:8px 2px 8px 2px;background:var(--cyan);box-shadow:0 0 15px rgba(37,214,196,.8)}
    .main-nav{display:flex;align-items:stretch;gap:5px;margin-left:auto;height:76px}
    .main-nav a{position:relative;display:flex;align-items:center;padding:0 17px;color:#afbdd9;font-size:14px}
    .main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(255,255,255,.05)}
    .main-nav a.active::after{content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:9px;font-weight:700;line-height:1;cursor:pointer;transition:.25s ease}
    .nav-cta{padding:13px 18px;background:var(--cyan);color:var(--navy);font-size:14px}
    .nav-cta:hover{background:#69f2df;box-shadow:0 0 18px rgba(37,214,196,.4)}
    .menu-toggle{display:none;background:none;border:1px solid #536386;color:#fff;border-radius:8px;padding:8px 11px}
    .page-hero{padding:68px 0 58px;background:linear-gradient(180deg,#fff 0%,#f4f7fc 100%);border-bottom:1px solid var(--line)}
    .hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
    .eyebrow,.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow::before,.kicker::before{content:"";width:24px;height:2px;background:var(--cyan)}
    h1,h2,h3{color:var(--ink);line-height:1.25}
    h1{font-size:clamp(34px,4.5vw,58px);letter-spacing:-1.8px;margin:16px 0 18px;font-weight:800}
    h2{font-size:32px;margin:8px 0 0}
    h3{font-size:20px;margin:0 0 10px}
    .hero-text{color:var(--muted);font-size:17px;max-width:650px;margin:0 0 25px}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:14px}
    .breadcrumb span{color:#a5b1c5}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{min-height:48px;padding:0 21px}
    .button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(49,91,220,.22)}
    .button.primary:hover{background:var(--blue-dark);box-shadow:0 12px 24px rgba(49,91,220,.3)}
    .button.secondary{border-color:#b9c7e2;color:var(--blue);background:#fff}
    .button.secondary:hover{border-color:var(--blue);background:var(--soft)}
    .status-board{background:var(--navy);border-radius:20px;padding:28px;color:#fff;box-shadow:var(--shadow-hover);position:relative;overflow:hidden}
    .status-board:after{content:"";position:absolute;width:220px;height:220px;border:1px solid rgba(37,214,196,.38);border-radius:50%;right:-80px;top:-82px;box-shadow:0 0 0 20px rgba(37,214,196,.05),0 0 0 42px rgba(37,214,196,.03)}
    .board-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
    .board-title{font-weight:800;font-size:18px}
    .live-dot{display:inline-flex;align-items:center;gap:7px;color:#92f4e6;font-size:12px}
    .live-dot:before{content:"";width:7px;height:7px;background:var(--cyan);border-radius:50%;box-shadow:0 0 10px var(--cyan)}
    .board-number{font-size:54px;line-height:1;font-weight:800;margin:38px 0 8px;color:#fff;position:relative;z-index:1}
    .board-caption{color:#b8c7e1;font-size:14px;position:relative;z-index:1}
    .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px;position:relative;z-index:1}
    .dark-tag{border:1px solid #40547a;border-radius:7px;padding:5px 9px;color:#c9d6ec;font-size:12px}
    section{padding:76px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:28px}
    .section-head p{max-width:550px;color:var(--muted);margin:0}
    .content-shell{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start}
    .filter-panel{background:var(--navy);border-radius:var(--radius);padding:24px;color:#fff;position:sticky;top:98px}
    .filter-panel h3{color:#fff;font-size:18px;margin-bottom:20px}
    .filter-panel label{display:block;color:#b9c8e2;font-size:13px;margin:15px 0 7px}
    .filter-panel select,.filter-panel input{width:100%;height:43px;border:1px solid #425578;border-radius:8px;background:#1b2a4a;color:#fff;padding:0 10px}
    .filter-panel select:focus,.filter-panel input:focus{border-color:var(--cyan);background:#223558}
    .filter-note{font-size:12px;color:#8fa1c3;border-top:1px solid #304365;margin-top:20px;padding-top:17px}
    .topic-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:17px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:27px;position:relative;overflow:hidden;transition:.25s ease}
    .topic-card:hover{border-color:#aebff0;box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .topic-card.featured{grid-row:span 2;background:linear-gradient(145deg,#fff 56%,#edf4ff)}
    .topic-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--blue)}
    .topic-card.small{min-height:178px}
    .topic-card.featured{min-height:375px}
    .topic-index{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.1em}
    .topic-card h3{margin-top:22px}
    .topic-card p{color:var(--muted);font-size:14px;margin:0 0 20px}
    .tag{display:inline-flex;padding:5px 10px;background:var(--soft);border-radius:7px;color:var(--blue);font-size:12px;font-weight:700;margin:3px 4px 3px 0}
    .tag.green{background:#e3faf5;color:#148d7d}
    .tag.purple{background:#eeeaff;color:#6250cc}
    .link-arrow{color:var(--blue);font-weight:700;font-size:14px}
    .summary-band{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .summary-top{display:flex;justify-content:space-between;align-items:center;padding:23px 26px;border-bottom:1px solid var(--line)}
    .summary-top h3{margin:0;font-size:21px}
    .summary-top span{font-size:13px;color:var(--muted)}
    .summary-row{display:grid;grid-template-columns:1.3fr .85fr .75fr .75fr;gap:15px;align-items:center;padding:19px 26px;border-bottom:1px solid var(--line);font-size:14px}
    .summary-row:last-child{border-bottom:0}
    .summary-row.header{background:#f7f9fd;color:var(--muted);font-size:12px;font-weight:800}
    .summary-row strong{font-size:15px}
    .meter{height:7px;background:#e7edf8;border-radius:8px;overflow:hidden}
    .meter i{display:block;height:100%;background:var(--blue);border-radius:8px}
    .meter i.green{background:var(--cyan)}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:11px;margin-bottom:11px;overflow:hidden}
    .faq-q{width:100%;border:0;background:none;text-align:left;padding:19px 22px;color:var(--ink);font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
    .faq-q:after{content:"+";color:var(--blue);font-size:22px;line-height:1}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .lead-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:38px;align-items:center;padding:42px;background:var(--navy);border-radius:20px;color:#fff;box-shadow:var(--shadow-hover)}
    .lead-box h2{color:#fff;margin:8px 0 12px}
    .lead-box p{color:#b9c8e2;margin:0}
    .quick-form{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .quick-form label{color:#d5def0;font-size:13px}
    .quick-form input,.quick-form select{display:block;width:100%;height:46px;margin-top:6px;border:1px solid #53678d;border-radius:8px;background:#1b2a4a;color:#fff;padding:0 12px}
    .quick-form input::placeholder{color:#8fa1c3}
    .form-submit{grid-column:1/-1;display:flex;justify-content:flex-end;margin-top:5px}
    footer{background:var(--navy);color:#fff;padding:56px 0 25px;border-top:1px solid #26385f}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:45px}
    .footer-brand{font-size:20px;font-weight:800;margin-bottom:10px}
    .footer-copy{color:#aebdd8;font-size:14px;max-width:360px;margin:0}
    .footer-title{font-weight:800;font-size:14px;margin-bottom:14px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:#aebdd8;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #2b3e65;margin-top:38px;padding-top:20px;color:#8192b2;font-size:12px}
    .page-note{color:var(--muted);font-size:13px;margin-top:18px}
    @media(max-width:1024px){
      .hero-layout{gap:35px}
      .content-shell{grid-template-columns:210px 1fr}
      .nav-wrap{gap:15px}
      .main-nav a{padding:0 11px}
      .main-nav a.active:after{left:11px;right:11px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .menu-toggle{display:block;margin-left:auto}
      .main-nav{display:none;position:absolute;left:15px;right:15px;top:76px;height:auto;padding:8px;background:var(--navy-2);border:1px solid #34496f;border-radius:0 0 12px 12px;flex-direction:column}
      .main-nav.open{display:flex}
      .main-nav a{min-height:46px;padding:0 14px}
      .main-nav a.active:after{left:0;right:auto;top:10px;bottom:10px;width:3px;height:auto}
      .nav-cta{display:none}
      .hero-layout,.content-shell,.lead-box{grid-template-columns:1fr}
      .page-hero{padding:50px 0}
      .filter-panel{position:static}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card.featured{grid-column:1/-1;grid-row:auto;min-height:260px}
      .summary-row{grid-template-columns:1.3fr .8fr .8fr}
      .summary-row>*:last-child{display:none}
      .summary-row.header>*:last-child{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      h1{font-size:36px;letter-spacing:-1px}
      h2{font-size:27px}
      section{padding:58px 0}
      .brand{font-size:16px}
      .brand-mark{height:24px}
      .topic-grid{grid-template-columns:1fr}
      .topic-card.featured{min-height:245px}
      .summary-top{display:block}
      .summary-top span{display:block;margin-top:5px}
      .summary-row{grid-template-columns:1.4fr .8fr;padding:16px}
      .summary-row>*:nth-child(3){display:none}
      .summary-row.header>*:nth-child(3){display:none}
      .quick-form{grid-template-columns:1fr}
      .form-submit{grid-column:auto}
      .form-submit .button{width:100%}
      .lead-box{padding:28px 22px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }