/* roulang page: index */
:root{
      --blue:#1769d1;--blue-dark:#1054ae;--blue-soft:#eaf3ff;--cyan:#13a8a8;
      --orange:#f28b3d;--ink:#172b4d;--text:#30445f;--muted:#71819a;
      --bg:#f5f8fc;--paper:#fff;--line:#dce6f2;--success:#24976f;--warn:#d98222;
      --focus:#8fc5ff;--radius:16px;--shadow:0 12px 35px rgba(32,73,125,.09);
      --shadow-hover:0 18px 42px rgba(32,73,125,.15);--container:1240px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    h1,h2,h3{color:var(--ink);line-height:1.25;letter-spacing:-.03em}
    h1{font-size:clamp(38px,5vw,64px);font-weight:850}
    h2{font-size:clamp(28px,3vw,42px);font-weight:800}
    h3{font-size:20px}
    p{color:var(--muted)}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head p{max-width:600px;margin-top:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active{transform:translateY(0);box-shadow:none}
    .btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
    .btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus{outline:3px solid var(--focus);outline-offset:3px}
    .tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
    .tag{background:var(--blue-soft);color:var(--blue)}
    .status{gap:6px;background:#eaf8f3;color:var(--success)}
    .status:before{content:"";width:6px;height:6px;background:currentColor;border-radius:50%}
    .site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
    .toolbar{height:72px;display:flex;align-items:center;gap:20px}
    .logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
    .logo-mark:before{width:6px;height:20px;left:10px;top:7px}.logo-mark:after{width:6px;height:14px;left:19px;top:11px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav-link{padding:8px 11px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
    .toolbar-tools{display:flex;align-items:center;gap:10px}
    .online{font-size:12px;color:var(--success);display:flex;align-items:center;gap:6px;white-space:nowrap}
    .online i{width:7px;height:7px;border-radius:50%;background:var(--success)}
    .icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
    .icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
    .menu-btn{display:none}
    .hero{position:relative;overflow:hidden;padding:78px 0 72px;background:#eef6ff}
    .hero:after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:rgba(104,181,255,.16);right:-180px;top:-200px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}
    .hero-copy h1{margin:18px 0 20px;max-width:670px}
    .hero-copy>p{font-size:17px;max-width:650px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;margin:28px 0 30px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap}
    .meta-item{border-left:2px solid #a9cdf5;padding-left:12px}
    .meta-item strong{display:block;color:var(--ink);font-size:21px}.meta-item span{font-size:12px;color:var(--muted)}
    .hero-visual{position:relative;min-height:390px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-visual img{height:390px}
    .visual-panel{position:absolute;left:22px;right:22px;bottom:22px;padding:18px;background:rgba(255,255,255,.94);border:1px solid #fff;border-radius:13px}
    .visual-panel strong{color:var(--ink);font-size:18px}.visual-panel p{font-size:13px;margin-top:3px}
    .dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 20px;box-shadow:var(--shadow)}
    .metric:nth-child(1){grid-column:span 2;background:var(--blue);color:#fff}.metric:nth-child(1) *{color:#fff}
    .metric label{display:block;color:var(--muted);font-size:13px}.metric strong{display:block;color:var(--ink);font-size:33px;line-height:1.25;margin:7px 0}.metric small{color:var(--muted);font-size:12px}
    .metric em{font-style:normal;color:var(--success);font-size:12px;font-weight:700}.metric:nth-child(1) em{color:#d8f5eb}
    .trend{grid-column:span 2;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}
    .trend-top{display:flex;justify-content:space-between;margin-bottom:20px}.trend-top strong{color:var(--ink);font-size:18px}
    .bars{height:100px;display:flex;align-items:end;gap:10px;border-bottom:1px solid var(--line)}
    .bar{flex:1;background:#b9d8fa;border-radius:5px 5px 0 0;min-height:25%}.bar:nth-child(2n){background:var(--blue)}.bar:nth-child(5){height:88%}.bar:nth-child(4){height:66%}.bar:nth-child(3){height:52%}.bar:nth-child(2){height:42%}.bar:nth-child(1){height:31%}
    .matrix{display:grid;grid-template-columns:1.3fr .85fr .85fr;gap:16px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:var(--shadow);min-height:190px}
    .matrix-card.featured{grid-row:span 2;background:var(--ink);color:#fff;min-height:400px;display:flex;flex-direction:column;justify-content:space-between}
    .matrix-card.featured h3,.matrix-card.featured p{color:#fff}.matrix-card h3{margin:16px 0 9px}.matrix-card p{font-size:14px}.matrix-card .btn{align-self:flex-start;margin-top:20px}
    .matrix-icon{width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:800}
    .matrix-card.featured .matrix-icon{background:#2c4669;color:#fff}
    .compare{display:grid;grid-template-columns:310px 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
    .compare-side{padding:30px;background:#f0f6fd;border-right:1px solid var(--line)}.compare-side h3{margin:15px 0}
    .compare-side li{list-style:none;border-bottom:1px solid #dbe7f4;padding:13px 0;font-weight:650;color:var(--text)}
    .compare-main{padding:28px 34px}.compare-row{display:grid;grid-template-columns:150px 1fr 90px;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid var(--line)}.compare-row:last-child{border:0}
    .compare-row b{font-size:14px;color:var(--ink)}.progress{height:9px;background:#edf2f7;border-radius:9px;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue);border-radius:inherit}.compare-row strong{color:var(--blue);text-align:right}
    .conclusion{margin-top:23px;padding:16px 18px;background:#eaf8f3;border-left:4px solid var(--success);color:#276c57;font-weight:700}
    .deep{background:#fff}.feature-story{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.feature-story img{height:360px;border-radius:18px}.story-copy p{margin:17px 0;line-height:1.95}.story-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px;margin:20px 0 25px}.story-list li{list-style:none;color:var(--text);padding-left:18px;position:relative}.story-list li:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%;position:absolute;left:0;top:12px}
    .insight{display:grid;grid-template-columns:.78fr 1.22fr;gap:26px}.insight-copy{padding:34px;border-radius:18px;background:var(--blue);color:#fff}.insight-copy h2,.insight-copy p{color:#fff}.insight-copy p{margin-top:17px;line-height:1.95}.insight-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 25px}.insight-item{display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}.insight-item:last-child{border:0}.insight-item b{color:var(--blue);font-size:24px}.insight-item strong{display:block;color:var(--ink);font-size:16px}.insight-item span{font-size:13px;color:var(--muted)}
    .news-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:26px}.news-feature{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.news-feature img{height:235px}.news-feature-body{padding:25px}.news-feature h3{margin:13px 0}.news-feature-body p{line-height:1.8}.news-list{display:flex;flex-direction:column;gap:10px}.news-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px 20px;display:grid;grid-template-columns:85px 1fr auto;gap:13px;align-items:center}.news-item:hover{border-color:#9fc8f5;box-shadow:var(--shadow-hover);transform:translateX(2px)}.date{font-size:12px;color:var(--muted)}.news-item h3{font-size:16px;margin-bottom:3px}.news-item p{font-size:13px;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.read{color:var(--blue);font-size:13px;font-weight:750;white-space:nowrap}
    .brand{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:stretch}.brand-intro{padding:35px;background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}.brand-intro p{margin-top:18px;line-height:2}.brand-facts{display:grid;grid-template-columns:1fr 1fr;gap:14px}.fact{padding:24px;background:#edf5ff;border-radius:13px;border:1px solid #d8e9fb}.fact strong{display:block;color:var(--ink);font-size:18px;margin-bottom:6px}.fact p{font-size:13px}
    .topics{display:flex;gap:12px;flex-wrap:wrap}.topic{flex:1 1 150px;padding:19px 20px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.topic:hover{border-color:var(--blue);transform:translateY(-2px)}.topic strong{display:block;color:var(--ink);margin-bottom:4px}.topic span{font-size:13px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}.quote{background:#fff;padding:25px;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow)}.quote p{color:var(--text);line-height:1.85}.quote footer{display:flex;align-items:center;gap:10px;margin-top:18px;color:var(--muted);font-size:13px}.avatar{width:31px;height:31px;background:#cfe3fb;border-radius:50%;display:grid;place-items:center;color:var(--blue);font-weight:800}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:45px}.faq-wrap>div>p{margin-top:15px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}.faq-q{width:100%;background:#fff;color:var(--ink);display:flex;justify-content:space-between;text-align:left;padding:18px 20px;font-weight:750}.faq-q:hover{background:var(--blue-soft)}.faq-q span{color:var(--blue);font-size:21px}.faq-a{display:none;padding:0 20px 18px;color:var(--muted);line-height:1.85}.faq-item.open .faq-a{display:block}.faq-item.open{border-color:#a9cdf5}
    .cta{background:var(--ink);padding:62px 0;color:#fff}.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.cta h2,.cta p{color:#fff}.cta p{margin-top:15px}.form{background:#fff;border-radius:16px;padding:26px;display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{color:var(--ink);font-size:13px;font-weight:750}.field input,.field select,.field textarea{border:1px solid var(--line);background:#f8fbff;color:var(--text);border-radius:8px;padding:11px 12px;min-width:0}.field textarea{height:88px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#a0adbc}.check{grid-column:1/-1;color:var(--muted);font-size:12px}.form-msg{grid-column:1/-1;min-height:20px;color:var(--success);font-size:13px}
    footer{background:#fff;border-top:1px solid var(--line);padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer-brand p{margin-top:13px;max-width:330px;font-size:13px}.footer-title{font-weight:800;color:var(--ink);margin-bottom:12px}.footer a{display:block;color:var(--muted);font-size:13px;margin:6px 0}.footer a:hover{color:var(--blue);text-decoration:underline}.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:var(--muted);font-size:12px}
    @media(max-width:1100px){.main-nav{gap:0}.nav-link{padding:8px 7px}.hero-grid{gap:30px}.matrix{grid-template-columns:1fr 1fr}.matrix-card.featured{grid-row:span 2}}
    @media(max-width:820px){.container{width:min(100% - 32px,650px)}.toolbar{height:64px}.logo{min-width:auto;flex:1}.main-nav{display:none;position:absolute;top:64px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:11px 13px}.menu-btn{display:block}.online{display:none}.hero-grid,.feature-story,.insight,.brand,.faq-wrap,.cta-inner{grid-template-columns:1fr}.hero{padding:58px 0}.hero-visual{min-height:310px}.hero-visual img{height:310px}.section{padding:68px 0}.dashboard{grid-template-columns:1fr 1fr}.metric:nth-child(1),.trend{grid-column:span 2}.compare{grid-template-columns:1fr}.compare-side{border-right:0;border-bottom:1px solid var(--line)}.news-layout{grid-template-columns:1fr}.brand-facts{margin-top:0}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){body{font-size:14px}.container{width:calc(100% - 28px)}h1{font-size:38px}.section{padding:54px 0}.section-head{display:block;margin-bottom:24px}.section-head .btn{margin-top:18px}.hero-copy>p{font-size:15px}.hero-actions .btn{flex:1;padding:11px 12px}.hero-meta{gap:15px}.hero-visual,.hero-visual img{height:250px;min-height:250px}.visual-panel{left:12px;right:12px;bottom:12px;padding:12px}.dashboard{display:flex;overflow-x:auto;padding-bottom:7px}.metric,.trend{min-width:180px}.metric:nth-child(1),.trend{min-width:250px}.matrix{grid-template-columns:1fr}.matrix-card.featured{min-height:280px}.compare-main{padding:18px}.compare-row{grid-template-columns:90px 1fr 50px;gap:8px}.feature-story img{height:240px}.story-list{grid-template-columns:1fr}.insight-copy{padding:25px}.insight-item{grid-template-columns:50px 1fr}.insight-item .read{display:none}.news-item{grid-template-columns:65px 1fr}.news-item .read{grid-column:2}.quote-grid{grid-template-columns:1fr}.form{grid-template-columns:1fr;padding:19px}.field.full,.check,.form-msg{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category1 */
:root{
 --blue:#1769d1;--blue-dark:#1054ae;--blue-soft:#eaf3ff;--cyan:#13a8a8;
 --orange:#f28b3d;--ink:#172b4d;--text:#30445f;--muted:#71819a;
 --bg:#f5f8fc;--paper:#fff;--line:#dce6f2;--success:#24976f;--warn:#d98222;
 --focus:#8fc5ff;--radius:16px;--shadow:0 12px 35px rgba(32,73,125,.09);
 --shadow-hover:0 18px 42px rgba(32,73,125,.15);--container:1240px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);line-height:1.3}
h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.04em}
h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.025em}
h3{font-size:20px}
p{color:var(--muted)}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.section{padding:82px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}
.section-head p{max-width:620px;margin-top:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 19px;border-radius:9px;font-weight:750;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus{outline:3px solid var(--focus);outline-offset:3px}
.tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
.tag{background:var(--blue-soft);color:var(--blue)}
.status{background:#eaf8f2;color:var(--success)}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
.toolbar{min-height:72px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
.logo-mark:before{width:6px;height:20px;left:10px;top:7px}.logo-mark:after{width:6px;height:14px;left:19px;top:11px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 10px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
.toolbar-tools{display:flex;align-items:center;gap:8px}
.online{font-size:12px;color:var(--success);white-space:nowrap}
.online i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--success);margin-right:5px}
.icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
.icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
.menu-btn{display:none}
.hero{position:relative;overflow:hidden;padding:76px 0 70px;background:#edf6ff}
.hero:after{content:"";position:absolute;width:470px;height:470px;border-radius:50%;background:rgba(104,181,255,.15);right:-180px;top:-210px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.03fr .97fr;gap:48px;align-items:center}
.hero-copy h1{margin:17px 0 18px;max-width:680px}
.hero-copy>p{font-size:17px;max-width:640px}
.hero-actions{display:flex;gap:12px;margin:27px 0 28px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap}
.meta-item{border-left:2px solid #a9cdf5;padding-left:12px}.meta-item strong{display:block;color:var(--ink);font-size:21px}.meta-item span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative;min-height:370px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.hero-visual img{height:370px}
.hero-panel{position:absolute;left:22px;right:22px;bottom:20px;background:rgba(255,255,255,.94);padding:17px;border-radius:13px;border:1px solid var(--line)}
.hero-panel strong{color:var(--ink);display:block}.hero-panel small{color:var(--muted)}
.board{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:14px}
.metric{background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:22px;box-shadow:var(--shadow)}
.metric.primary{grid-row:span 2;background:var(--ink);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
.metric.primary h3,.metric.primary p,.metric.primary strong{color:#fff}
.metric strong{display:block;font-size:32px;color:var(--blue);line-height:1.2;margin:10px 0 4px}
.metric small{color:var(--muted)}.metric.primary small{color:#b8c9df}
.metric em{font-style:normal;color:var(--orange);font-size:12px}
.update-line{grid-column:2 / 5;background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 24px;display:flex;justify-content:space-between;align-items:center}
.track{width:52%;height:8px;background:#e8eff8;border-radius:9px;overflow:hidden}.track i{display:block;width:72%;height:100%;background:var(--cyan);border-radius:9px}
.feature{background:#fff;border:1px solid var(--line);border-radius:19px;overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-columns:1.05fr .95fr}
.feature img{height:330px}.feature-body{padding:34px}.feature-body h3{font-size:27px;margin:14px 0}.feature-body p{line-height:1.9}.feature-body .btn{margin-top:22px}
.timeline-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px}
.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:#c9dced}
.news-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:21px 23px;margin-bottom:14px;display:grid;grid-template-columns:84px 1fr auto;gap:18px;align-items:center;box-shadow:0 6px 20px rgba(32,73,125,.04)}
.news-card:before{content:"";position:absolute;left:-27px;top:30px;width:9px;height:9px;background:var(--orange);border:3px solid var(--bg);border-radius:50%}
.news-card:hover{border-color:#9fc8f5;box-shadow:var(--shadow-hover);transform:translateX(2px)}
.news-card time{font-size:13px;color:var(--blue);font-weight:800}.news-card h3{font-size:17px;margin:5px 0}.news-card p{font-size:13px;line-height:1.65}
.side-box,.data-panel,.topic-box,.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:17px;padding:25px;box-shadow:var(--shadow)}
.side-box h3{margin-bottom:15px}.side-box p{font-size:14px;margin-bottom:18px}
.filter-list{display:flex;flex-wrap:wrap;gap:8px}.filter-list a{padding:7px 11px;background:#f3f7fc;border-radius:8px;font-size:13px;color:var(--text)}.filter-list a:hover{background:var(--blue-soft);color:var(--blue)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:27px;box-shadow:var(--shadow)}
.compare-card.highlight{border-top:4px solid var(--blue)}
.compare-card h3{margin-bottom:20px}.bar-row{display:grid;grid-template-columns:100px 1fr 44px;gap:12px;align-items:center;margin:15px 0;font-size:13px}
.bar{height:9px;background:#e9f0f8;border-radius:8px;overflow:hidden}.bar i{display:block;height:100%;background:var(--blue);border-radius:8px}.bar.orange i{background:var(--orange)}
.topic-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:stretch}.topic-box img{height:210px;border-radius:12px;margin-bottom:18px}.topic-box h3{margin-bottom:9px}.topic-box p{font-size:14px}
.topic-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-list a{padding:18px;background:#f7faff;border:1px solid var(--line);border-radius:12px}.topic-list a:hover{background:var(--blue-soft);border-color:#a5c9f1}.topic-list strong{display:block;color:var(--ink)}.topic-list span{font-size:13px;color:var(--muted)}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:35px}.faq-wrap>div>p{margin-top:12px}.faq-item{border-bottom:1px solid var(--line)}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;color:var(--ink);font-weight:750;padding:17px 0}.faq-q span{color:var(--blue);font-size:21px}.faq-a{display:none;padding:0 28px 17px 0;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta{background:var(--ink);color:#fff;border-radius:20px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2,.cta p{color:#fff}.cta p{opacity:.75;margin-top:8px}.cta .btn-light{background:#fff;border:0}
footer{background:#132541;color:#b9c9dd;padding:42px 0 25px;margin-top:20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer-brand{color:#fff;font-size:21px;font-weight:850}.footer-brand p{font-size:13px;color:#aabbd0;margin-top:12px}.footer-title{color:#fff;font-weight:750;margin-bottom:12px}.footer-links{display:flex;flex-direction:column;gap:7px;font-size:13px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #304563;margin-top:30px;padding-top:18px;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1100px){.main-nav{gap:0}.nav-link{padding:8px 7px}.logo{min-width:150px}.board{grid-template-columns:1fr 1fr 1fr}.metric.primary{grid-row:auto}.update-line{grid-column:1 / 4}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.toolbar{min-height:64px;justify-content:space-between}.main-nav{display:none;position:absolute;top:64px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-hover);padding:10px;flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:11px 13px}.online{display:none}.menu-btn{display:block}.hero{padding:55px 0}.hero-grid,.feature,.topic-grid,.faq-wrap{grid-template-columns:1fr}.hero-visual,.hero-visual img{min-height:280px;height:280px}.section{padding:62px 0}.section-head{display:block}.section-head .btn{margin-top:16px}.board{display:flex;overflow-x:auto;padding-bottom:7px}.metric{min-width:190px}.metric.primary{min-width:235px}.update-line{min-width:420px;display:block}.track{width:100%;margin-top:14px}.timeline-layout{grid-template-columns:1fr}.news-card{grid-template-columns:70px 1fr}.news-card .btn{grid-column:2;justify-self:start}.compare{grid-template-columns:1fr}.cta{display:block;padding:30px 25px}.cta .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:38px}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}.hero-meta{gap:15px}.feature-body{padding:23px}.feature img{height:220px}.news-card{grid-template-columns:1fr;gap:5px}.news-card .btn{grid-column:auto}.topic-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category2 */
:root{
 --blue:#1769d1;--blue-dark:#1054ae;--blue-soft:#eaf3ff;--cyan:#13a8a8;
 --orange:#f28b3d;--ink:#172b4d;--text:#30445f;--muted:#71819a;
 --bg:#f5f8fc;--paper:#fff;--line:#dce6f2;--success:#24976f;--warn:#d98222;
 --danger:#cf5d5d;--focus:#8fc5ff;--radius:16px;
 --shadow:0 12px 35px rgba(32,73,125,.09);
 --shadow-hover:0 18px 42px rgba(32,73,125,.15);--container:1240px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);line-height:1.35}
h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.04em}
h2{font-size:clamp(26px,3vw,38px);letter-spacing:-.025em}
h3{font-size:19px}
p{color:var(--muted)}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.section{padding:82px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
.section-head p{max-width:610px;margin-top:11px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus,.topic-link:focus{outline:3px solid var(--focus);outline-offset:3px}
.tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
.tag{background:var(--blue-soft);color:var(--blue)}
.status{background:#e9f7f1;color:var(--success)}
.status.warn{background:#fff3e6;color:var(--warn)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
.toolbar{min-height:70px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
.logo-mark:before{width:6px;height:20px;left:10px;top:7px}
.logo-mark:after{width:6px;height:14px;left:19px;top:11px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 10px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
.toolbar-tools{display:flex;align-items:center;gap:8px}
.online{font-size:12px;color:var(--success);white-space:nowrap}
.online i{display:inline-block;width:7px;height:7px;background:var(--success);border-radius:50%;margin-right:6px;box-shadow:0 0 0 4px #e4f5ee}
.icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
.icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
.menu-btn{display:none}
.hero{position:relative;overflow:hidden;padding:76px 0 68px;background:#eef6ff}
.hero:after{content:"";position:absolute;width:480px;height:480px;border-radius:50%;background:rgba(104,181,255,.15);right:-180px;top:-240px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:58px;align-items:center}
.hero-copy h1{margin:17px 0 20px;max-width:680px}
.hero-copy>p{font-size:17px;max-width:650px;line-height:1.9}
.hero-actions{display:flex;gap:12px;margin:27px 0 30px;flex-wrap:wrap}
.hero-meta{display:flex;gap:25px;flex-wrap:wrap}
.meta-item{border-left:2px solid #a9cdf5;padding-left:12px}
.meta-item strong{display:block;color:var(--ink);font-size:21px}
.meta-item span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative;min-height:390px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);background:#d9eaff}
.hero-visual img{height:390px}
.hero-panel{position:absolute;left:25px;right:25px;bottom:23px;padding:18px 20px;background:rgba(255,255,255,.95);border:1px solid #fff;border-radius:13px;box-shadow:0 12px 24px rgba(25,65,115,.15)}
.hero-panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.hero-panel strong{color:var(--ink);font-size:16px}
.hero-panel small{color:var(--success)}
.metric-board{display:grid;grid-template-columns:repeat(4,1fr) 1.55fr;gap:12px}
.metric{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 19px;box-shadow:var(--shadow);min-height:135px}
.metric.main{background:var(--blue);color:#fff;border-color:var(--blue)}
.metric.main h3,.metric.main p,.metric.main .metric-label{color:#fff}
.metric-label{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}
.metric strong{font-size:30px;color:var(--ink);line-height:1}
.metric p{font-size:12px;margin-top:11px;line-height:1.55}
.metric.main strong{color:#fff}
.metric-trend{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.trend-chart{height:40px;display:flex;align-items:end;gap:5px}
.trend-chart i{display:block;width:12px;background:#8fc5ff;border-radius:4px 4px 0 0}
.trend-chart i:nth-child(1){height:30%}.trend-chart i:nth-child(2){height:43%}.trend-chart i:nth-child(3){height:38%}.trend-chart i:nth-child(4){height:58%}.trend-chart i:nth-child(5){height:74%}.trend-chart i:nth-child(6){height:66%}.trend-chart i:nth-child(7){height:90%}
.metric-wide{padding:22px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
.metric-wide h3{font-size:15px;margin-bottom:5px}
.data-grid{display:grid;grid-template-columns:265px 1fr;gap:20px;align-items:start}
.topic-nav,.data-list,.compare-box,.reading-card,.faq-wrap,.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.topic-nav{padding:14px}
.topic-nav h3{padding:10px 12px 14px}
.topic-link{display:flex;justify-content:space-between;align-items:center;padding:13px 12px;border-radius:10px;color:var(--muted);margin:3px 0}
.topic-link span{font-size:12px;color:#9aa8ba}
.topic-link:hover,.topic-link.active{background:var(--blue-soft);color:var(--blue);font-weight:750}
.topic-link.active span{color:var(--blue)}
.data-list{padding:8px 25px}
.data-row{display:grid;grid-template-columns:145px 1fr 118px 96px;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
.data-row:last-child{border-bottom:0}
.data-time{font-size:13px;color:var(--muted)}
.data-time b{display:block;color:var(--ink);font-size:15px}
.data-title strong{display:block;color:var(--ink);font-size:16px}
.data-title span{font-size:12px;color:var(--muted)}
.data-score{text-align:right;color:var(--blue);font-weight:800}
.data-score em{display:block;color:var(--muted);font-size:12px;font-style:normal;font-weight:400}
.data-row .btn{padding:8px 12px;font-size:12px}
.compare-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}
.compare-box{padding:29px 32px}
.compare-box.blue{background:var(--ink);border-color:var(--ink)}
.compare-box.blue h3,.compare-box.blue p,.compare-box.blue .compare-label{color:#fff}
.compare-box h3{margin:12px 0 9px}
.compare-row{display:grid;grid-template-columns:145px 1fr 78px;align-items:center;gap:17px;padding:16px 0;border-bottom:1px solid var(--line)}
.compare-box.blue .compare-row{border-color:#3a5273}
.compare-row:last-child{border:0}
.compare-label{font-size:13px;color:var(--muted)}
.bar{height:8px;border-radius:99px;background:#edf2f8;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--blue)}
.compare-box.blue .bar{background:#344c6d}
.compare-box.blue .bar i{background:#71cbd0}
.compare-row strong{text-align:right;color:var(--blue);font-size:14px}
.compare-box.blue .compare-row strong{color:#fff}
.split-story{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
.story-image{border-radius:18px;overflow:hidden;min-height:370px}
.story-image img{height:100%;min-height:370px}
.reading-card{padding:32px}
.reading-card h3{font-size:25px;margin:12px 0 15px}
.reading-card p{margin-bottom:14px}
.reading-points{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:21px 0}
.reading-points li{list-style:none;padding-left:18px;position:relative;color:var(--text)}
.reading-points li:before{content:"";width:7px;height:7px;position:absolute;left:0;top:12px;border-radius:50%;background:var(--orange)}
.timeline{display:grid;grid-template-columns:110px 1fr;gap:0;border-top:1px solid var(--line)}
.timeline-item{display:contents}
.timeline-date{padding:21px 10px 21px 0;color:var(--blue);font-size:13px;font-weight:800;border-bottom:1px solid var(--line)}
.timeline-content{padding:20px 0 20px 25px;border-left:2px solid #cbe0f8;border-bottom:1px solid var(--line)}
.timeline-content strong{display:block;color:var(--ink);margin-bottom:4px}
.related-grid{display:grid;grid-template-columns:1.25fr .75fr .75fr;gap:16px}
.related-card{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--shadow)}
.related-card img{height:150px}
.related-card-body{padding:18px}
.related-card h3{font-size:16px;margin:9px 0 6px}
.related-card p{font-size:13px;line-height:1.7}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:24px;align-items:start}
.faq-intro{padding:14px 5px}
.faq-intro p{margin-top:15px}
.faq-wrap{padding:8px 25px}
details{border-bottom:1px solid var(--line);padding:19px 0}
details:last-child{border-bottom:0}
summary{list-style:none;cursor:pointer;color:var(--ink);font-weight:750;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";color:var(--blue);font-size:20px;line-height:1}
details[open] summary:after{content:"－"}
details p{padding:13px 30px 2px 0;font-size:14px}
.cta{background:#eaf3ff;border:1px solid #cfe3fa;border-radius:22px;padding:42px;display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:center}
.cta h2{margin:11px 0}
.cta p{max-width:520px}
.form-card{padding:25px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:750;color:var(--ink)}
.req{color:var(--danger)}
input,select,textarea{width:100%;border:1px solid var(--line);background:#fbfdff;color:var(--text);border-radius:9px;padding:11px 13px;transition:.2s}
textarea{min-height:88px;resize:vertical}
input:hover,select:hover,textarea:hover{border-color:#a9c8ea}
input:focus,select:focus,textarea:focus{border-color:var(--blue);background:#fff;outline:3px solid rgba(143,197,255,.35)}
.form-note{font-size:12px;color:var(--muted);margin-top:11px}
footer{background:#fff;border-top:1px solid var(--line);padding:42px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;font-size:20px;margin-bottom:13px}
.footer-brand .logo-mark{width:29px;height:29px}
.footer-brand .logo-mark:before{height:17px;width:5px;left:8px;top:6px}
.footer-brand .logo-mark:after{height:12px;width:5px;left:16px;top:9px}
footer p,footer a{font-size:13px;color:var(--muted)}
footer h4{font-size:14px;margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a:hover{color:var(--blue)}
.footer-bottom{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:30px;padding-top:18px}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px;font-weight:800;margin-right:6px}
@media(max-width:1200px){
 .main-nav{gap:0}.nav-link{padding-left:7px;padding-right:7px}.logo{min-width:165px}
 .metric-board{grid-template-columns:repeat(4,1fr)}.metric-wide{grid-column:1/-1}
}
@media(max-width:992px){
 .toolbar{gap:12px}.online{display:none}.main-nav{overflow:auto}
 .hero-grid{gap:30px}.data-grid{grid-template-columns:1fr}.topic-nav{display:flex;align-items:center;gap:5px;overflow:auto;padding:10px}.topic-nav h3{display:none}.topic-link{min-width:max-content}
 .compare-layout,.split-story,.faq-layout,.cta{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .toolbar{min-height:64px;justify-content:space-between}.logo{min-width:auto;font-size:20px}
 .main-nav{display:none;position:absolute;top:64px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .main-nav.open{display:flex}.nav-link{padding:11px 13px}.menu-btn{display:block}
 .hero{padding:57px 0}.hero-grid{grid-template-columns:1fr}.hero-visual,.hero-visual img{min-height:300px;height:300px}
 .section{padding:62px 0}.section-head{display:block}.section-head .btn{margin-top:18px}
 .metric-board{display:flex;overflow-x:auto;padding-bottom:8px}.metric{min-width:190px}.metric-wide{min-width:290px}
 .data-list{padding:5px 17px}.data-row{grid-template-columns:1fr auto;gap:8px;padding:18px 0}.data-time{grid-column:1/-1}.data-score{text-align:left}.data-row .btn{grid-column:2;grid-row:2}
 .related-grid{grid-template-columns:1fr}.related-card img{height:190px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta{padding:28px 22px}
}
@media(max-width:576px){
 h1{font-size:38px}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}.hero-meta{gap:16px}
 .hero-visual,.hero-visual img{height:260px;min-height:260px}.hero-panel{left:13px;right:13px;bottom:13px;padding:13px}
 .compare-box{padding:23px 19px}.compare-row{grid-template-columns:100px 1fr 58px;gap:9px}
 .reading-card{padding:23px}.reading-points{grid-template-columns:1fr}
 .timeline{grid-template-columns:76px 1fr}.timeline-content{padding-left:15px}
 .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom p{margin-top:8px}
}

/* roulang page: category4 */
:root{
 --blue:#1769d1;
 --blue-dark:#1054ae;
 --blue-soft:#eaf3ff;
 --cyan:#13a8a8;
 --orange:#f28b3d;
 --ink:#172b4d;
 --text:#30445f;
 --muted:#71819a;
 --bg:#f5f8fc;
 --paper:#fff;
 --line:#dce6f2;
 --success:#24976f;
 --warn:#d98222;
 --danger:#c95b63;
 --focus:#8fc5ff;
 --radius:16px;
 --shadow:0 12px 35px rgba(32,73,125,.09);
 --shadow-hover:0 18px 42px rgba(32,73,125,.15);
 --container:1240px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:15px;line-height:1.8}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink);line-height:1.3}
h1{font-size:clamp(38px,5vw,58px);letter-spacing:-.045em}
h2{font-size:clamp(27px,3vw,38px);letter-spacing:-.03em}
h3{font-size:20px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;max-width:100%;width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
.toolbar{min-height:72px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative;flex:0 0 auto}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
.logo-mark:before{width:6px;height:20px;left:10px;top:7px}
.logo-mark:after{width:6px;height:14px;left:19px;top:11px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 11px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
.toolbar-tools{display:flex;align-items:center;gap:9px}
.online{display:flex;align-items:center;gap:7px;color:var(--success);font-size:12px;white-space:nowrap}
.online i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px rgba(36,151,111,.12)}
.icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px;transition:.25s}
.icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn-small{padding:8px 13px;font-size:13px}
.btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus,.faq-question:focus{outline:3px solid var(--focus);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
.tag{background:var(--blue-soft);color:var(--blue)}
.status{background:#e9f8f1;color:var(--success)}
.status.warn{background:#fff4e8;color:var(--warn)}
.hero{position:relative;overflow:hidden;padding:76px 0 74px;background:#eef6ff}
.hero:after{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(104,181,255,.16);right:-190px;top:-240px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .92fr;gap:64px;align-items:center}
.hero-copy h1{margin:18px 0 20px;max-width:680px}
.hero-copy>p{font-size:17px;max-width:650px;line-height:1.95}
.hero-actions{display:flex;gap:12px;margin:28px 0 30px;flex-wrap:wrap}
.hero-meta{display:flex;gap:25px;flex-wrap:wrap}
.meta-item{border-left:2px solid #a9cdf5;padding-left:12px}
.meta-item strong{display:block;color:var(--ink);font-size:21px}
.meta-item span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative;min-height:370px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
.hero-visual img{height:370px}
.visual-panel{position:absolute;left:24px;right:24px;bottom:22px;padding:17px 18px;background:rgba(255,255,255,.94);border:1px solid rgba(220,230,242,.9);border-radius:13px}
.visual-panel strong{display:block;color:var(--ink);font-size:16px}
.visual-panel span{font-size:13px;color:var(--muted)}
.section{padding:88px 0}
.section-tint{background:#edf5fe}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
.section-head p{max-width:610px;margin-top:12px;color:var(--muted)}
.dashboard{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
.stat-board{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:22px 18px;box-shadow:var(--shadow)}
.stat-card:first-child{background:var(--ink);color:#fff}
.stat-card:first-child h3,.stat-card:first-child p,.stat-card:first-child small{color:#fff}
.stat-card h3{font-size:31px;margin:9px 0 2px}
.stat-card p{font-size:13px;color:var(--muted)}
.stat-card small{display:block;color:var(--success);font-size:12px;margin-top:11px}
.trend-board{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.trend-top{display:flex;justify-content:space-between;gap:15px;margin-bottom:20px}
.trend-top strong{color:var(--ink);font-size:18px}
.trend-list{display:flex;flex-direction:column;gap:15px}
.trend-item{display:grid;grid-template-columns:90px 1fr 44px;align-items:center;gap:10px;font-size:13px}
.progress{height:8px;background:#edf2f8;border-radius:999px;overflow:hidden}
.progress i{display:block;height:100%;border-radius:inherit;background:var(--blue)}
.trend-item:nth-child(2) .progress i{background:var(--cyan)}
.trend-item:nth-child(3) .progress i{background:var(--orange)}
.trend-item b{text-align:right;color:var(--ink)}
.matrix{display:grid;grid-template-columns:1.28fr .72fr .72fr;grid-template-rows:1fr 1fr;gap:16px}
.matrix-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);min-height:182px;transition:.25s}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#a9cdf5}
.matrix-card.featured{grid-row:span 2;background:var(--ink);color:#fff;min-height:380px;display:flex;flex-direction:column;justify-content:space-between}
.matrix-card.featured h3,.matrix-card.featured p{color:#fff}
.matrix-card h3{margin:15px 0 9px}
.matrix-card p{font-size:14px;color:var(--muted)}
.matrix-card.featured p{color:#dbe8f7}
.matrix-icon{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);font-weight:900;font-size:18px}
.matrix-card.featured .matrix-icon{background:#2c4669;color:#fff}
.matrix-card .btn{align-self:flex-start;margin-top:20px}
.topic-image{height:112px;border-radius:11px;margin-top:18px}
.compare-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px}
.compare-intro{padding:30px;background:var(--ink);border-radius:18px;color:#dce8f5}
.compare-intro h2,.compare-intro h3{color:#fff}
.compare-intro p{margin:17px 0 25px;line-height:1.9}
.compare-main{padding:25px 32px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.compare-labels{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:14px}
.compare-row{display:grid;grid-template-columns:150px 1fr 90px;align-items:center;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}
.compare-row:last-child{border:0}
.compare-row b{font-size:14px;color:var(--ink)}
.compare-row strong{color:var(--blue);text-align:right}
.compare-row .progress i{background:var(--cyan)}
.compare-row:nth-of-type(3) .progress i{background:var(--orange)}
.story{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.story img{height:360px;border-radius:18px;box-shadow:var(--shadow)}
.story-copy h2{margin:15px 0}
.story-copy p{margin:13px 0;line-height:1.9}
.story-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px;margin:20px 0 25px;padding:0}
.story-list li{list-style:none;color:var(--text);padding-left:18px;position:relative}
.story-list li:before{content:"";width:7px;height:7px;background:var(--orange);border-radius:50%;position:absolute;left:0;top:12px}
.news-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:20px}
.news-feature{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.news-feature img{height:245px}
.news-feature-body{padding:25px}
.news-feature h3{margin:13px 0 8px}
.news-feature-body p{line-height:1.8;color:var(--muted)}
.news-list{display:flex;flex-direction:column;gap:10px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:13px;padding:16px 19px;display:grid;grid-template-columns:78px 1fr auto;gap:14px;align-items:center;transition:.25s}
.news-item:hover{border-color:#9fc8f5;box-shadow:var(--shadow-hover);transform:translateX(2px)}
.news-date{font-size:12px;color:var(--muted);font-weight:700}
.news-item h3{font-size:16px;margin-bottom:3px}
.news-item p{font-size:13px;line-height:1.6;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:20px}
.filter-tabs{display:flex;gap:8px;flex-wrap:wrap}
.filter-tab{padding:8px 14px;border-radius:8px;background:#f2f6fb;color:var(--muted);font-size:13px;transition:.2s}
.filter-tab:hover,.filter-tab.active{background:var(--blue-soft);color:var(--blue);font-weight:750}
.filter-select{border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);padding:8px 12px;min-width:140px}
.popular-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.popular-card{background:#fff;border:1px solid var(--line);border-radius:15px;padding:22px;box-shadow:var(--shadow)}
.popular-card:nth-child(2){margin-top:24px}
.popular-card:nth-child(3){margin-top:48px}
.popular-card h3{margin:12px 0 8px;font-size:18px}
.popular-card p{color:var(--muted);font-size:14px}
.popular-card a{display:inline-flex;margin-top:17px;color:var(--blue);font-size:13px;font-weight:750}
.reading{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
.reading-note{padding:30px;background:#eaf3ff;border-radius:18px;border:1px solid #d2e6fb}
.reading-note h2{margin:12px 0 14px}
.reading-note p{line-height:1.9}
.reading-points{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.reading-point{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.reading-point strong{display:block;color:var(--ink);margin-bottom:7px}
.reading-point span{font-size:13px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px}
.faq-intro p{margin-top:15px;color:var(--muted);line-height:1.9}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;color:var(--ink);padding:18px 20px;font-weight:750}
.faq-question span:last-child{color:var(--blue);font-size:20px;transition:.2s}
.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px;line-height:1.85}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta{padding:56px 0;background:var(--ink);color:#dce8f5}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{color:#fff;margin:12px 0}
.cta p{max-width:650px;line-height:1.9}
.cta .eyebrow{color:#a9cdf5}
.cta .btn-light{border-color:#7892b2}
footer{background:#122440;color:#aebed2;padding:42px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:35px;padding-bottom:30px;border-bottom:1px solid rgba(220,230,242,.15)}
.footer-brand{color:#fff;font-size:21px;font-weight:850;margin-bottom:12px}
.footer-brand .logo-mark{display:inline-block;vertical-align:middle;margin-right:8px;width:29px;height:29px}
.footer-brand .logo-mark:before{height:17px;width:5px;left:8px;top:6px}
.footer-brand .logo-mark:after{height:12px;width:5px;left:16px;top:9px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:12px}
.footer-col a{display:block;font-size:13px;margin:7px 0;color:#aebed2}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-desc{font-size:13px;line-height:1.8;max-width:290px}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#8fa4bf}
.avatar{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:#2d5d91;color:#fff;font-size:13px;margin-right:6px}
.foot-user{margin-top:20px;color:#b9c9dc;font-size:12px}
@media(max-width:1200px){
 .main-nav{gap:0}
 .nav-link{padding-left:8px;padding-right:8px}
 .logo{min-width:160px}
}
@media(max-width:992px){
 .toolbar{gap:12px}
 .online{display:none}
 .hero-grid,.compare-wrap,.news-layout,.reading,.faq-grid{grid-template-columns:1fr}
 .hero-visual{max-width:720px;width:100%}
 .matrix{grid-template-columns:1fr 1fr}
 .matrix-card.featured{grid-row:span 2}
 .popular-grid{grid-template-columns:repeat(3,1fr)}
 .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .toolbar{min-height:64px;justify-content:space-between}
 .logo{min-width:auto;font-size:20px}
 .main-nav{display:none;position:absolute;left:16px;right:16px;top:72px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-hover);flex-direction:column;align-items:stretch}
 .main-nav.open{display:flex}
 .nav-link{padding:11px 13px}
 .menu-btn{display:block}
 .section{padding:68px 0}
 .hero{padding:58px 0 60px}
 .hero-grid{gap:35px}
 .hero-visual,.hero-visual img{min-height:300px;height:300px}
 .stat-board{display:flex;overflow-x:auto;padding-bottom:8px}
 .stat-card{min-width:170px}
 .matrix{grid-template-columns:1fr}
 .matrix-card.featured{grid-row:auto;min-height:300px}
 .story{grid-template-columns:1fr;gap:28px}
 .story img{height:280px}
 .news-item{grid-template-columns:70px 1fr}
 .news-item .btn{grid-column:2;justify-self:start}
 .popular-grid{grid-template-columns:1fr}
 .popular-card:nth-child(2),.popular-card:nth-child(3){margin-top:0}
 .reading-points{grid-template-columns:1fr 1fr}
 .cta-inner{align-items:flex-start;flex-direction:column}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:576px){
 body{font-size:14px}
 .container{width:calc(100% - 28px)}
 h1{font-size:38px}
 h2{font-size:28px}
 .toolbar-tools{gap:5px}
 .icon-btn{width:34px;height:34px}
 .icon-btn:first-of-type{display:none}
 .main-nav{top:64px}
 .hero-copy>p{font-size:15px}
 .hero-actions .btn{width:100%}
 .hero-meta{gap:15px}
 .hero-visual,.hero-visual img{min-height:245px;height:245px}
 .visual-panel{left:13px;right:13px;bottom:13px;padding:12px}
 .section-head{display:block;margin-bottom:24px}
 .section-head .btn{margin-top:17px}
 .compare-main{padding:18px}
 .compare-row{grid-template-columns:92px 1fr 55px;gap:9px;font-size:12px}
 .story-list{grid-template-columns:1fr}
 .news-item{grid-template-columns:1fr;gap:5px}
 .news-item .btn{grid-column:auto}
 .filter-bar{align-items:flex-start}
 .filter-select{width:100%}
 .reading-points{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{display:block}
 .footer-bottom span{display:block;margin-top:7px}
}

/* roulang page: category5 */
:root{
      --blue:#1769d1;--blue-dark:#1054ae;--blue-soft:#eaf3ff;--cyan:#13a8a8;
      --orange:#f28b3d;--ink:#172b4d;--text:#30445f;--muted:#71819a;
      --bg:#f5f8fc;--paper:#fff;--line:#dce6f2;--success:#24976f;--warn:#d98222;
      --danger:#d85555;--focus:#8fc5ff;--radius:16px;
      --shadow:0 12px 35px rgba(32,73,125,.09);
      --shadow-hover:0 18px 42px rgba(32,73,125,.15);
      --container:1240px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,h4{color:var(--ink);line-height:1.3}
    h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.025em}
    h3{font-size:20px}
    p{color:var(--muted)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head p{max-width:610px;margin-top:12px}
    .section-head h2{margin-top:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active{transform:translateY(0);box-shadow:none}
    .btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
    .btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus,.faq-question:focus{outline:3px solid var(--focus);outline-offset:3px}
    .tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
    .tag{background:var(--blue-soft);color:var(--blue)}
    .status{background:#eaf8f2;color:var(--success)}
    .status.orange{background:#fff3e7;color:var(--warn)}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
    .toolbar{min-height:70px;display:flex;align-items:center;gap:20px}
    .logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
    .logo-mark:before{width:6px;height:20px;left:10px;top:7px}
    .logo-mark:after{width:6px;height:14px;left:19px;top:11px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav-link{padding:8px 11px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
    .toolbar-tools{display:flex;align-items:center;gap:9px}
    .online{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
    .online i{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 4px #e2f5ed}
    .icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
    .icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
    .menu-btn{display:none}
    .hero{position:relative;overflow:hidden;padding:80px 0 76px;background:#eef6ff}
    .hero:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(104,181,255,.16);right:-180px;top:-230px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .92fr;gap:60px;align-items:center}
    .hero-copy h1{margin:18px 0 20px;max-width:680px}
    .hero-copy>p{font-size:17px;max-width:650px;line-height:1.95}
    .hero-actions{display:flex;gap:12px;margin:29px 0 30px;flex-wrap:wrap}
    .hero-note{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}
    .hero-note b{color:var(--blue)}
    .hero-visual{position:relative;min-height:390px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-visual img{height:390px}
    .hero-panel{position:absolute;left:24px;right:24px;bottom:22px;background:rgba(255,255,255,.95);border:1px solid rgba(220,230,242,.9);border-radius:14px;padding:16px 18px;box-shadow:0 12px 26px rgba(24,62,110,.13)}
    .hero-panel-top{display:flex;justify-content:space-between;gap:20px;margin-bottom:12px}
    .hero-panel strong{color:var(--ink)}
    .hero-panel small{color:var(--muted)}
    .meter{height:7px;background:#e8eef6;border-radius:99px;overflow:hidden}
    .meter span{display:block;height:100%;background:var(--blue);border-radius:99px}
    .intro-band{background:#fff;border-bottom:1px solid var(--line)}
    .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
    .intro-grid h2{margin:12px 0 16px}
    .intro-grid p{font-size:16px;max-width:760px}
    .mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .mini-stat{padding:18px;background:var(--bg);border:1px solid var(--line);border-radius:13px}
    .mini-stat strong{display:block;font-size:26px;color:var(--blue)}
    .mini-stat span{font-size:13px;color:var(--muted)}
    .matrix{display:grid;grid-template-columns:1.05fr .95fr 1fr;grid-template-rows:auto auto;gap:18px}
    .matrix-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:var(--shadow);min-height:205px;display:flex;flex-direction:column}
    .matrix-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
    .matrix-card.featured{grid-row:span 2;background:var(--ink);color:#fff;min-height:428px;justify-content:space-between}
    .matrix-card.featured h3,.matrix-card.featured p{color:#fff}
    .matrix-card.featured .matrix-icon{background:#2c4669;color:#fff}
    .matrix-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:var(--blue-soft);color:var(--blue);font-weight:900;font-size:19px}
    .matrix-card h3{margin:16px 0 8px}
    .matrix-card p{font-size:14px;line-height:1.75}
    .matrix-card .btn{align-self:flex-start;margin-top:auto;padding:9px 13px;font-size:13px}
    .matrix-card.featured .btn-light{border-color:#607695;background:transparent;color:#fff}
    .matrix-card.featured .btn-light:hover{background:#2c4669}
    .matrix-label{display:flex;justify-content:space-between;align-items:center}
    .dashboard{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
    .dashboard-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .focus-panel{padding:30px;background:#fafdff}
    .focus-panel h3{font-size:25px;margin:14px 0 10px}
    .focus-number{font-size:58px;font-weight:900;color:var(--blue);line-height:1.1}
    .focus-panel p{font-size:14px}
    .trend-list{padding:18px 28px}
    .trend-row{display:grid;grid-template-columns:145px 1fr 70px;gap:16px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .trend-row:last-child{border-bottom:0}
    .trend-row b{color:var(--ink)}
    .trend-bar{height:9px;background:#edf2f7;border-radius:99px;overflow:hidden}
    .trend-bar span{display:block;height:100%;border-radius:99px;background:var(--cyan)}
    .trend-row strong{text-align:right;color:var(--blue)}
    .wide-feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
    .wide-feature img{height:390px}
    .wide-copy{padding:38px 42px}
    .wide-copy h3{font-size:28px;margin:13px 0}
    .wide-copy p{line-height:1.9;margin-bottom:15px}
    .check-list{list-style:none;margin:22px 0}
    .check-list li{position:relative;padding-left:26px;margin:9px 0;color:var(--text)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:#e4f6ef;color:var(--success);font-size:12px;text-align:center;font-weight:800}
    .process{display:grid;grid-template-columns:1fr 1.4fr;gap:42px;align-items:start}
    .process-copy{padding-top:8px}
    .process-copy h2{margin:12px 0 15px}
    .process-copy p{font-size:16px}
    .steps{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:52px 1fr auto;gap:17px;align-items:start;padding:19px 20px;background:#fff;border:1px solid var(--line);border-radius:14px;transition:.25s ease}
    .step:hover{border-color:#9fc8f5;box-shadow:var(--shadow)}
    .step-no{width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--blue-soft);color:var(--blue);font-weight:900}
    .step h3{font-size:17px;margin-bottom:4px}
    .step p{font-size:13px;line-height:1.7}
    .step-arrow{color:var(--blue);font-size:22px}
    .recommend{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .recommend-main,.recommend-side{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
    .recommend-main{display:grid;grid-template-columns:.9fr 1.1fr}
    .recommend-main img{height:285px}
    .recommend-copy{padding:28px}
    .recommend-copy h3{margin:12px 0 9px;font-size:23px}
    .recommend-copy p{font-size:14px;line-height:1.8}
    .recommend-side{padding:24px}
    .recommend-side h3{margin-bottom:10px}
    .quick-links{display:grid;gap:8px;margin-top:14px}
    .quick-link{display:flex;align-items:center;justify-content:space-between;padding:12px 13px;border:1px solid var(--line);border-radius:10px;color:var(--text)}
    .quick-link:hover{background:var(--blue-soft);border-color:#a7c9ed;color:var(--blue)}
    .quick-link span{font-size:13px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:start}
    .faq-intro h2{margin:12px 0 15px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;padding:18px 20px;color:var(--ink);font-weight:750}
    .faq-question:hover{background:#f8fbff;color:var(--blue)}
    .faq-question span:last-child{font-size:22px;color:var(--blue);transition:.25s}
    .faq-answer{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);transition:max-height .3s ease,padding .3s ease}
    .faq-item.open .faq-answer{max-height:180px;padding:0 20px 19px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{padding:68px 0;background:#eaf3ff}
    .cta-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:var(--shadow)}
    .cta-copy h2{margin:12px 0 13px}
    .cta-copy p{line-height:1.85}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:750;color:var(--ink)}
    label em{font-style:normal;color:var(--danger);margin-left:3px}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:#fbfdff;padding:11px 13px;color:var(--text);transition:.2s}
    textarea{min-height:92px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#a0adbd}
    input:hover,select:hover,textarea:hover{border-color:#aac9ea}
    .form-note{font-size:12px;color:var(--muted);margin-top:11px}
    .form-message{display:none;margin-top:12px;padding:10px 12px;border-radius:8px;font-size:13px}
    .form-message.success{display:block;background:#eaf8f2;color:var(--success)}
    footer{background:#172b4d;color:#dce8f6;padding:40px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .8fr .8fr 1fr;gap:34px;padding-bottom:32px;border-bottom:1px solid rgba(220,232,246,.18)}
    .footer-brand{font-size:22px;font-weight:900;color:#fff;margin-bottom:13px}
    .footer-brand span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--blue);font-size:14px;margin-right:8px}
    footer p,footer li,footer a{color:#aebfd3;font-size:13px}
    footer p{line-height:1.8}
    .footer-title{font-size:14px;color:#fff;font-weight:750;margin-bottom:12px}
    .footer-links{list-style:none;display:grid;gap:7px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;align-items:center;padding-top:20px;flex-wrap:wrap}
    .footer-bottom a{color:#bcd7f4;text-decoration:underline;text-underline-offset:3px}
    .footer-bottom span{font-size:12px;color:#91a7c0}
    @media(max-width:1100px){
      .main-nav{gap:0}.nav-link{padding:8px 7px;font-size:13px}.logo{min-width:150px}
      .hero-grid,.dashboard,.process,.recommend,.faq-wrap,.cta-box{gap:28px}
    }
    @media(max-width:900px){
      .toolbar{gap:12px}.main-nav{position:absolute;top:70px;left:24px;right:24px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .main-nav.show{display:flex}.nav-link{padding:12px 14px}.menu-btn{display:block}
      .online{display:none}.hero-grid,.intro-grid,.dashboard,.process,.recommend,.faq-wrap,.cta-box{grid-template-columns:1fr}
      .hero-visual{min-height:330px}.hero-visual img{height:330px}
      .matrix{grid-template-columns:1fr 1fr}.matrix-card.featured{grid-row:auto;grid-column:1/-1;min-height:270px}
      .wide-feature{grid-template-columns:1fr}.wide-feature img{height:300px}.recommend-main{grid-template-columns:1fr}.recommend-main img{height:250px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:576px){
      .container{width:min(var(--container),calc(100% - 30px))}
      .section{padding:62px 0}.section-head{display:block;margin-bottom:25px}.section-head .btn{margin-top:18px}
      .hero{padding:58px 0}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}
      .hero-visual,.hero-visual img{min-height:270px;height:270px}.hero-panel{left:12px;right:12px;bottom:12px;padding:12px}
      .matrix{grid-template-columns:1fr}.matrix-card.featured{grid-column:auto}
      .trend-list{padding:12px 17px}.trend-row{grid-template-columns:100px 1fr 48px;gap:9px;font-size:13px}
      .wide-copy{padding:25px 22px}.wide-feature img{height:220px}
      .step{grid-template-columns:42px 1fr}.step-arrow{display:none}
      .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.cta-box{padding:24px 18px}
      .footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:10px}
    }

/* roulang page: category6 */
:root{
      --blue:#1769d1;
      --blue-dark:#1054ae;
      --blue-soft:#eaf3ff;
      --cyan:#13a8a8;
      --orange:#f28b3d;
      --ink:#172b4d;
      --text:#30445f;
      --muted:#71819a;
      --bg:#f5f8fc;
      --paper:#fff;
      --line:#dce6f2;
      --success:#24976f;
      --warn:#d98222;
      --danger:#c95353;
      --focus:#8fc5ff;
      --radius:16px;
      --shadow:0 12px 35px rgba(32,73,125,.09);
      --shadow-hover:0 18px 42px rgba(32,73,125,.15);
      --container:1240px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      background:var(--bg);
      color:var(--text);
      line-height:1.8;
      font-size:15px;
      overflow-x:hidden
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,h4{color:var(--ink);line-height:1.3}
    h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.04em}
    h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em}
    h3{font-size:20px}
    p{color:var(--muted)}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);
      border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)
    }
    .toolbar{min-height:70px;display:flex;align-items:center;gap:18px}
    .logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
    .logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
    .logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
    .logo-mark:before{width:6px;height:20px;left:10px;top:7px}
    .logo-mark:after{width:6px;height:14px;left:19px;top:11px}
    .main-nav{display:flex;align-items:center;gap:4px;flex:1}
    .nav-link{padding:8px 11px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
    .toolbar-tools{display:flex;align-items:center;gap:8px}
    .online{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--success);white-space:nowrap}
    .online i{display:block;width:8px;height:8px;background:var(--success);border-radius:50%;box-shadow:0 0 0 4px rgba(36,151,111,.12)}
    .icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
    .icon-btn:hover{background:var(--blue-soft);color:var(--blue)}
    .menu-btn{display:none}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
    .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
    .btn-primary:active{transform:translateY(0);box-shadow:none}
    .btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
    .btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
    .btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus,.choice:focus{outline:3px solid var(--focus);outline-offset:3px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
    .section{padding:86px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head p{max-width:610px;margin-top:12px}
    .hero{
      position:relative;overflow:hidden;padding:76px 0 82px;
      background:#eef6ff;border-bottom:1px solid #e0edf9
    }
    .hero:after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:rgba(104,181,255,.16);right:-180px;top:-200px}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:24px}
    .breadcrumb a:hover{color:var(--blue)}
    .hero-copy h1{margin:18px 0 20px;max-width:680px}
    .hero-copy>p{font-size:17px;max-width:650px;line-height:1.9}
    .hero-actions{display:flex;gap:12px;margin:28px 0 30px;flex-wrap:wrap}
    .hero-meta{display:flex;gap:25px;flex-wrap:wrap}
    .meta-item{border-left:2px solid #a9cdf5;padding-left:12px}
    .meta-item strong{display:block;color:var(--ink);font-size:21px}
    .meta-item span{font-size:12px;color:var(--muted)}
    .hero-visual{position:relative;min-height:420px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);background:#cfe4fa}
    .hero-visual img{height:420px}
    .hero-panel{position:absolute;right:22px;bottom:22px;width:218px;background:rgba(255,255,255,.95);border:1px solid #fff;border-radius:14px;padding:17px;box-shadow:0 12px 28px rgba(25,66,116,.18)}
    .hero-panel small{color:var(--muted);font-size:11px}
    .hero-panel strong{display:block;color:var(--ink);font-size:24px;margin:3px 0}
    .hero-panel span{font-size:12px;color:var(--success)}
    .section-soft{background:#edf5fd}
    .benefit-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:25px;align-items:stretch}
    .benefit-main,.benefit-side,.preference-card,.delivery-card,.form-shell,.faq-shell,.related-card,.content-map{
      background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .benefit-main{padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .benefit-main .lead{grid-column:1/-1;padding-bottom:18px;border-bottom:1px solid var(--line)}
    .benefit-main .lead p{max-width:770px;margin-top:12px}
    .benefit-point{padding:17px 0;border-bottom:1px solid var(--line)}
    .benefit-point:nth-last-child(-n+2){border-bottom:0}
    .point-num{color:var(--orange);font-weight:900;font-size:13px}
    .benefit-point h3{font-size:17px;margin:5px 0}
    .benefit-point p{font-size:13px;line-height:1.7}
    .benefit-side{overflow:hidden;display:flex;flex-direction:column}
    .benefit-side img{height:220px}
    .benefit-side div{padding:24px}
    .benefit-side p{margin-top:9px;font-size:14px}
    .content-map{padding:30px}
    .map-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:14px;margin-top:25px}
    .map-item{min-height:145px;padding:21px;border-radius:13px;background:#f7faff;border:1px solid #e5eef8;transition:.25s}
    .map-item:hover{transform:translateY(-3px);border-color:#9fc8f5;box-shadow:var(--shadow-hover)}
    .map-item.wide{grid-column:span 2;background:var(--ink);color:#fff}
    .map-item.wide h3,.map-item.wide p{color:#fff}
    .map-item h3{margin:13px 0 7px;font-size:18px}
    .map-item p{font-size:13px;line-height:1.7}
    .map-icon{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:8px;background:var(--blue-soft);color:var(--blue);font-weight:800}
    .map-item.wide .map-icon{background:#2b466a;color:#fff}
    .preference-wrap{display:grid;grid-template-columns:.76fr 1.24fr;gap:27px;align-items:start}
    .preference-card{padding:28px}
    .preference-card h3{margin-bottom:8px}
    .preference-card>p{font-size:14px;margin-bottom:20px}
    .choice-list{display:flex;flex-wrap:wrap;gap:10px}
    .choice{position:relative}
    .choice input{position:absolute;opacity:0;pointer-events:none}
    .choice label{display:flex;align-items:center;gap:7px;padding:10px 13px;border:1px solid var(--line);border-radius:9px;color:var(--text);background:#fff;cursor:pointer;font-size:13px;transition:.2s}
    .choice label:before{content:"";width:14px;height:14px;border:1px solid #b9c9dc;border-radius:4px;background:#fff}
    .choice input:checked+label{border-color:var(--blue);background:var(--blue-soft);color:var(--blue);font-weight:700}
    .choice input:checked+label:before{content:"✓";display:flex;align-items:center;justify-content:center;color:#fff;background:var(--blue);border-color:var --blue);border-color:var(--blue)}
    .choice input:focus+label{outline:3px solid var(--focus);outline-offset:3px}
    .delivery-card{padding:28px;background:#f8fbff}
    .delivery-card h3{margin-bottom:10px}
    .delivery-card p{font-size:14px}
    .delivery-list{list-style:none;margin-top:18px;display:grid;gap:12px}
    .delivery-list li{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text)}
    .delivery-list li:before{content:"✓";display:inline-flex;flex:0 0 22px;height:22px;align-items:center;justify-content:center;border-radius:50%;background:#dff4eb;color:var(--success);font-weight:800}
    .form-section{background:#f1f7ff}
    .form-shell{display:grid;grid-template-columns:.78fr 1.22fr;overflow:hidden}
    .form-intro{padding:38px;background:var(--ink);color:#fff}
    .form-intro h2,.form-intro p{color:#fff}
    .form-intro h2{margin:16px 0}
    .form-intro p{opacity:.78;font-size:14px;line-height:1.9}
    .form-note{margin-top:28px;padding:15px;border-left:2px solid var(--orange);font-size:13px;color:#d9e7f8}
    .form-content{padding:36px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:13px;font-weight:750;color:var(--ink)}
    .required{color:var(--danger);margin-left:3px}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--line);background:#fbfdff;border-radius:9px;
      padding:11px 13px;color:var(--text);transition:.2s;resize:vertical
    }
    .field textarea{min-height:112px}
    .field input::placeholder,.field textarea::placeholder{color:#a1aec0}
    .field input:hover,.field select:hover,.field textarea:hover{border-color:#aecbed}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);background:#fff;outline:3px solid rgba(143,197,255,.35)}
    .checkline{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);grid-column:1/-1}
    .checkline input{margin-top:6px;accent-color:var(--blue)}
    .form-actions{display:flex;align-items:center;gap:16px;margin-top:24px}
    .form-message{font-size:13px;color:var(--success);min-height:24px}
    .faq-shell{padding:26px 32px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:last-child{border-bottom:0}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:21px 0;background:transparent;color:var(--ink);font-weight:750;text-align:left}
    .faq-question span:last-child{color:var(--blue);font-size:22px;font-weight:400;transition:.2s}
    .faq-answer{display:none;padding:0 42px 20px 0;color:var(--muted);font-size:14px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .faq-question:hover{color:var(--blue)}
    .related-section{padding-top:70px}
    .related-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}
    .related-card{padding:27px}
    .related-card img{height:205px;border-radius:12px;margin-bottom:19px}
    .related-card p{font-size:14px;margin:10px 0 18px}
    .related-links{list-style:none;display:grid;gap:10px}
    .related-links li a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-weight:700;color:var(--ink)}
    .related-links li a:hover{color:var(--blue);padding-left:4px}
    .cta{padding:76px 0;background:var(--blue);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta h2,.cta p{color:#fff}
    .cta p{opacity:.82;margin-top:10px;max-width:690px}
    .cta .btn-light{border-color:#fff}
    footer{padding:28px 0;background:#fff;border-top:1px solid var(--line);color:var(--muted)}
    .footer-top{display:flex;justify-content:space-between;gap:35px;align-items:flex-start;padding-bottom:24px}
    .footer-brand{max-width:340px}
    .footer-brand .logo{margin-bottom:14px}
    .footer-brand p{font-size:13px;line-height:1.8}
    .footer-links{display:grid;grid-template-columns:repeat(3,auto);gap:44px}
    .footer-links h4{font-size:14px;margin-bottom:9px}
    .footer-links a{display:block;font-size:13px;margin:5px 0;color:var(--muted)}
    .footer-links a:hover{color:var(--blue)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    .avatar{display:inline-flex;width:27px;height:27px;align-items:center;justify-content:center;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-weight:800;margin-right:7px}
    .loading{opacity:.65;pointer-events:none}
    @media (max-width:1200px){
      .logo{min-width:160px}
      .nav-link{padding-left:8px;padding-right:8px}
    }
    @media (max-width:992px){
      .hero-grid,.benefit-layout,.preference-wrap,.form-shell,.related-layout{grid-template-columns:1fr}
      .hero-copy{max-width:760px}
      .hero-visual{max-width:760px}
      .footer-top{flex-direction:column}
      .footer-links{width:100%;justify-content:space-between}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .toolbar{min-height:64px;justify-content:space-between}
      .logo{min-width:auto;font-size:20px}
      .main-nav{display:none;position:absolute;top:64px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-hover);border-radius:12px;flex-direction:column;align-items:stretch}
      .main-nav.open{display:flex}
      .nav-link{padding:11px 13px}
      .online{font-size:0}
      .online i{width:9px;height:9px}
      .menu-btn{display:block}
      .section{padding:64px 0}
      .hero{padding:48px 0 60px}
      .hero-grid{gap:30px}
      .hero-visual,.hero-visual img{min-height:330px;height:330px}
      .section-head{display:block;margin-bottom:25px}
      .section-head p{margin-top:10px}
      .benefit-main{grid-template-columns:1fr;padding:24px}
      .benefit-main .lead{grid-column:auto}
      .benefit-point:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
      .benefit-point:last-child{border-bottom:0}
      .map-grid{grid-template-columns:1fr 1fr}
      .map-item.wide{grid-column:1/-1}
      .form-content,.form-intro{padding:27px}
      .cta-inner{display:block}
      .cta .btn{margin-top:24px}
      .footer-links{gap:22px}
    }
    @media (max-width:576px){
      h1{font-size:38px}
      h2{font-size:29px}
      .hero-copy>p{font-size:15px}
      .hero-actions .btn{width:100%}
      .hero-meta{gap:14px}
      .hero-visual,.hero-visual img{min-height:270px;height:270px}
      .hero-panel{right:12px;bottom:12px;width:190px;padding:13px}
      .map-grid{grid-template-columns:1fr}
      .map-item.wide{grid-column:auto}
      .content-map,.preference-card,.delivery-card,.faq-shell{padding:22px}
      .form-grid{grid-template-columns:1fr}
      .field.full,.checkline{grid-column:auto}
      .form-actions{display:block}
      .form-actions .btn{width:100%}
      .form-message{margin-top:13px}
      .faq-question{align-items:flex-start;font-size:14px}
      .faq-answer{padding-right:0}
      .footer-links{grid-template-columns:1fr 1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
    }

/* roulang page: category3 */
:root{
 --blue:#1769d1;--blue-dark:#1054ae;--blue-soft:#eaf3ff;--cyan:#13a8a8;
 --orange:#f28b3d;--ink:#172b4d;--text:#30445f;--muted:#71819a;
 --bg:#f5f8fc;--paper:#fff;--line:#dce6f2;--success:#24976f;--warn:#d98222;
 --danger:#c95353;--focus:#8fc5ff;--radius:16px;
 --shadow:0 12px 35px rgba(32,73,125,.09);
 --shadow-hover:0 18px 42px rgba(32,73,125,.15);--container:1240px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;max-width:100%;object-fit:cover}
button,input,select,textarea{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4{color:var(--ink);line-height:1.3}
h1{font-size:clamp(38px,5vw,62px);letter-spacing:-.045em}
h2{font-size:clamp(28px,3vw,40px);letter-spacing:-.03em}
h3{font-size:20px}
p{color:var(--muted)}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.section{padding:86px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head p{max-width:630px;margin-top:10px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.1em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--orange)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:9px;font-weight:750;transition:.25s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(23,105,209,.2)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,105,209,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-light{background:#fff;color:var(--blue);border:1px solid var(--line)}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:focus,.nav-link:focus,input:focus,select:focus,textarea:focus,.icon-btn:focus,.faq-q:focus{outline:3px solid var(--focus);outline-offset:3px}
.tag,.status{display:inline-flex;align-items:center;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}
.tag{background:var(--blue-soft);color:var(--blue)}
.status{background:#e8f7f0;color:var(--success)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 4px 18px rgba(30,66,110,.04)}
.toolbar{min-height:70px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;min-width:185px;color:var(--ink);font-size:22px;font-weight:900}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);position:relative}
.logo-mark:before,.logo-mark:after{content:"";position:absolute;background:#fff;border-radius:2px;transform:skew(-20deg)}
.logo-mark:before{width:6px;height:20px;left:10px;top:7px}.logo-mark:after{width:6px;height:14px;left:19px;top:11px}
.main-nav{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{padding:8px 11px;border-radius:8px;color:#526681;font-size:14px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--blue);background:var(--blue-soft);font-weight:750}
.toolbar-tools{display:flex;align-items:center;gap:9px}
.online{font-size:12px;color:var(--success);white-space:nowrap}.online i{display:inline-block;width:7px;height:7px;background:#35b982;border-radius:50%;margin-right:6px}
.icon-btn{width:37px;height:37px;border-radius:9px;background:#f2f6fb;color:var(--text);font-size:18px}
.icon-btn:hover{background:var(--blue-soft);color:var(--blue)}.menu-btn{display:none}
.hero{position:relative;overflow:hidden;background:#eef6ff;padding:72px 0 68px}
.hero:after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;background:rgba(104,181,255,.16);right:-180px;top:-200px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr .9fr;gap:58px;align-items:center}
.hero h1{margin:18px 0 18px;max-width:670px}.hero-copy>p{font-size:17px;max-width:650px}
.hero-actions{display:flex;gap:12px;margin:27px 0;flex-wrap:wrap}
.hero-meta{display:flex;gap:24px;flex-wrap:wrap}.meta-item{border-left:2px solid #a9cdf5;padding-left:12px}.meta-item strong{display:block;color:var(--ink);font-size:21px}.meta-item span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative;min-height:380px;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);background:#dbeaff}
.hero-visual img{height:380px}.visual-panel{position:absolute;left:24px;right:24px;bottom:22px;background:rgba(255,255,255,.95);padding:17px 19px;border-radius:13px;box-shadow:var(--shadow)}
.visual-panel strong{color:var(--ink);font-size:18px}.visual-panel span{display:block;color:var(--muted);font-size:13px}
.panel,.feature-card,.article-card,.note-card,.faq,.cta-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel{padding:28px}
.panel:hover,.article-card:hover,.note-card:hover{box-shadow:var(--shadow-hover)}
.feature-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch}
.feature-image{min-height:420px;border-radius:var(--radius);overflow:hidden;position:relative}
.feature-image img{height:100%}.feature-image:after{content:"精选专题";position:absolute;left:22px;top:20px;background:#fff;color:var(--blue);padding:5px 12px;border-radius:20px;font-weight:700;font-size:12px}
.feature-copy{padding:38px 34px}.feature-copy h2{margin:14px 0 17px}.feature-copy p{font-size:16px;margin-bottom:18px}
.feature-points{list-style:none;margin:22px 0}.feature-points li{padding:10px 0;border-bottom:1px solid var(--line);color:var(--text)}.feature-points li:before{content:"✓";color:var(--success);font-weight:bold;margin-right:10px}
.directory{display:grid;grid-template-columns:260px 1fr;gap:34px}.directory-side{padding-top:8px}.directory-side h3{margin:14px 0}.directory-side p{font-size:14px}.chapter-list{list-style:none;border-left:1px solid var(--line);padding-left:23px}.chapter-list li{position:relative;padding:14px 0 14px 10px;border-bottom:1px solid var(--line)}.chapter-list li:before{content:"";position:absolute;left:-29px;top:25px;width:9px;height:9px;border:2px solid var(--blue);background:var(--bg);border-radius:50%}.chapter-list a{font-weight:750;color:var(--ink)}.chapter-list a:hover{color:var(--blue)}.chapter-list small{display:block;color:var(--muted);margin-top:3px}
.deep-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.deep-card{padding:30px}.deep-card h3{margin:13px 0}.deep-card p{margin:10px 0}.deep-card img{height:220px;border-radius:12px;margin-bottom:20px}.deep-card:nth-child(2){margin-top:42px}
.data-band{background:#eaf3ff}.data-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px}.data-big{background:var(--ink);color:#fff;padding:31px;border-radius:var(--radius);display:flex;flex-direction:column;justify-content:space-between}.data-big h3,.data-big p{color:#fff}.data-big strong{font-size:56px;line-height:1;color:#fff;margin:20px 0}.data-list{display:grid;gap:12px}.data-row{background:#fff;border:1px solid var(--line);padding:18px 20px;border-radius:12px;display:grid;grid-template-columns:140px 1fr 65px;gap:15px;align-items:center}.bar{height:8px;background:#e7eef7;border-radius:8px;overflow:hidden}.bar i{display:block;height:100%;background:var(--blue);border-radius:8px}.up{color:var(--success);font-weight:700;text-align:right}
.article-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:28px}.article-card{padding:24px;display:grid;grid-template-columns:180px 1fr;gap:22px}.article-card img{height:150px;border-radius:11px}.article-card h3{margin:9px 0}.article-card p{font-size:14px}.read{display:inline-block;color:var(--blue);font-weight:750;margin-top:8px}.read:hover{text-decoration:underline}
.notes{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}.note-card{padding:24px}.note-card h3{margin:12px 0}.note-card p{font-size:14px}
.faq-list{max-width:900px;margin:auto;display:grid;gap:10px}.faq{overflow:hidden}.faq-q{width:100%;padding:21px 24px;background:#fff;text-align:left;color:var(--ink);font-weight:750;display:flex;justify-content:space-between;align-items:center}.faq-q span{font-size:22px;color:var(--blue);transition:.25s}.faq-a{display:none;padding:0 24px 20px;color:var(--muted)}.faq.open .faq-a{display:block}.faq.open .faq-q span{transform:rotate(45deg)}
.cta-box{padding:42px;display:flex;align-items:center;justify-content:space-between;gap:28px;background:#f0f7ff}.cta-box p{max-width:650px;margin-top:10px}
footer{margin-top:80px;background:#172b4d;color:#dce8f7;padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:22px;font-weight:850;color:#fff}.footer-grid h4{color:#fff;margin-bottom:13px}.footer-grid a{display:block;color:#aebfd4;font-size:14px;margin:6px 0}.footer-grid a:hover{color:#fff}.footer-desc{color:#aebfd4;font-size:14px;margin-top:11px;max-width:310px}.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:32px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#9eb1c9;font-size:13px}.avatar{display:inline-flex;width:24px;height:24px;border-radius:50%;align-items:center;justify-content:center;background:#3b77c6;color:#fff;font-size:12px;margin-right:7px}
@media(max-width:1100px){.main-nav{gap:0}.nav-link{padding:8px 7px;font-size:13px}.logo{min-width:150px}.feature-wrap,.article-layout{grid-template-columns:1fr}.feature-image{min-height:300px}.data-layout{grid-template-columns:1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.toolbar{min-height:64px;justify-content:space-between}.logo{min-width:auto}.main-nav{display:none;position:absolute;top:65px;left:16px;right:16px;padding:12px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;flex-direction:column;align-items:stretch}.main-nav.show{display:flex}.nav-link{padding:11px 13px}.online{display:none}.menu-btn{display:block}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:12px}.hero{padding:56px 0}.hero-grid{grid-template-columns:1fr;gap:32px}.hero-visual,.hero-visual img{min-height:300px;height:300px}.directory{grid-template-columns:1fr}.deep-grid,.notes{grid-template-columns:1fr}.deep-card:nth-child(2){margin-top:0}.article-layout{gap:18px}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){h1{font-size:37px}.hero-copy>p{font-size:15px}.hero-actions .btn{width:100%}.hero-meta{gap:14px}.feature-copy{padding:26px 22px}.panel{padding:21px}.data-row{grid-template-columns:1fr 52px;gap:8px}.data-row .bar{grid-column:1/-1;grid-row:2}.article-card{grid-template-columns:1fr;gap:14px}.article-card img{height:190px}.cta-box{padding:27px 22px;display:block}.cta-box .btn{margin-top:20px;width:100%}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div{margin-top:8px}}