/* roulang page: index */
:root{
      --blue:#1457d9;
      --blue-dark:#0b2c68;
      --blue-deep:#081b43;
      --cyan:#27c6d9;
      --gold:#f4b942;
      --ink:#17243b;
      --muted:#6f7c91;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#e2e9f3;
      --soft:#eaf2ff;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(20,55,110,.10);
      --shadow-hover:0 24px 62px rgba(20,55,110,.18);
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid rgba(39,198,217,.55);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
    .section{padding:104px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:12px}
    .section-head p{max-width:540px;color:var(--muted);font-size:16px}
    .topline{background:var(--blue-deep);color:#dbe9ff;font-size:13px}
    .topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
    .header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:82px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:13px;min-width:215px}
    .brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
    .brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
    .nav-links{display:flex;gap:6px;align-items:center;flex:1}
    .nav-links a{padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .search{width:150px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px}
    .search input{border:0;outline:0;width:100%;background:transparent;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
    .btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
    .btn-light:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#123b80;transform:translateY(-2px)}
    .hero{min-height:640px;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;background:linear-gradient(90deg,rgba(5,22,57,.96) 0%,rgba(8,35,86,.82) 48%,rgba(8,29,67,.38) 100%),url("/assets/images/backpic/back-1.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto -5% -45% 35%;height:390px;background:rgba(39,198,217,.17);filter:blur(70px);border-radius:50%}
    .hero-content{position:relative;z-index:1;padding:92px 0 108px;max-width:760px}
    .hero .eyebrow{color:#9feef4}
    .hero h1{font-size:clamp(40px,6vw,76px);line-height:1.08;letter-spacing:-.065em;margin:22px 0 26px}
    .hero h1 em{color:#76e0e7;font-style:normal}
    .hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:710px}
    .hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}
    .hero-stats{display:flex;gap:32px;flex-wrap:wrap;margin-top:54px;padding-top:22px;border-top:1px solid rgba(255,255,255,.23)}
    .hero-stat strong{display:block;font-size:27px;color:#fff;line-height:1.2}
    .hero-stat span{font-size:13px;color:#acc1df}
    .ticker{background:#fff;border-bottom:1px solid var(--line)}
    .ticker .container{display:flex;align-items:center;gap:18px;min-height:56px}
    .ticker-label{color:var(--blue);font-size:13px;font-weight:800;white-space:nowrap}
    .ticker-text{font-size:14px;color:#52647e;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
    .ticker-time{margin-left:auto;color:#98a5b8;font-size:12px;white-space:nowrap}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:75px;align-items:center}
    .intro-copy h2{font-size:clamp(30px,4vw,48px);line-height:1.25;color:var(--blue-deep);letter-spacing:-.05em;margin:13px 0 22px}
    .intro-copy p{color:var(--muted);font-size:17px;margin-bottom:20px}
    .check-list{list-style:none;display:grid;gap:13px;margin:27px 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
    .check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
    .intro-image{position:relative}
    .intro-image img{height:440px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .float-note{position:absolute;bottom:24px;left:-26px;background:#fff;padding:18px 21px;border-radius:15px;box-shadow:var(--shadow);display:flex;align-items:center;gap:13px}
    .float-note b{font-size:22px;color:var(--blue)}
    .float-note span{font-size:12px;color:var(--muted)}
    .soft-section{background:#edf4ff}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{background:#fff;padding:28px;border-radius:17px;border:1px solid var(--line);position:relative;overflow:hidden}
    .metric:after{content:"";position:absolute;right:-22px;top:-22px;width:75px;height:75px;border-radius:50%;background:var(--soft)}
    .metric strong{font-size:39px;line-height:1;color:var(--blue);letter-spacing:-.05em}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:12px}
    .metric small{display:block;color:#26a5a5;margin-top:8px}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;box-shadow:0 8px 25px rgba(20,55,110,.04)}
    .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
    .topic-card img{height:190px}
    .topic-body{padding:22px}
    .tag{display:inline-flex;background:var(--soft);color:var(--blue);padding:5px 9px;border-radius:7px;font-size:12px;font-weight:800}
    .topic-body h3{font-size:21px;color:var(--blue-deep);margin:13px 0 9px}
    .topic-body p{font-size:14px;color:var(--muted);line-height:1.8}
    .topic-link{display:inline-flex;color:var(--blue);font-weight:800;font-size:13px;margin-top:17px}
    .feature-band{background:var(--blue-deep);color:#fff;position:relative;overflow:hidden}
    .feature-band:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;opacity:.16}
    .feature-band .container{position:relative}
    .feature-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
    .feature-layout h2{font-size:clamp(30px,4vw,47px);line-height:1.25;letter-spacing:-.05em;margin:14px 0 20px}
    .feature-layout p{color:#c4d5ed;line-height:1.9}
    .feature-list{display:grid;gap:15px}
    .feature-item{display:flex;gap:17px;padding:18px;border:1px solid rgba(255,255,255,.15);border-radius:14px;background:rgba(255,255,255,.06)}
    .feature-icon{width:38px;height:38px;border-radius:11px;background:var(--cyan);color:var(--blue-deep);display:grid;place-items:center;font-weight:900;flex:none}
    .feature-item h3{font-size:16px;margin-bottom:4px}
    .feature-item p{font-size:13px;line-height:1.7}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:18px;position:relative}
    .step-no{font-size:43px;font-weight:900;color:#d8e6ff;line-height:1}
    .step h3{font-size:18px;margin:17px 0 8px;color:var(--blue-deep)}
    .step p{font-size:14px;color:var(--muted)}
    .step:not(:last-child):after{content:"→";position:absolute;right:-20px;top:48%;color:var(--cyan);font-size:22px;z-index:2}
    .campaign{background:#fff1d9}
    .campaign-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:35px;align-items:stretch}
    .campaign-main{padding:38px;background:linear-gradient(135deg,#f6b338,#f47d2b);color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}
    .campaign-main:after{content:"";position:absolute;width:230px;height:230px;border:35px solid rgba(255,255,255,.14);border-radius:50%;right:-55px;bottom:-80px}
    .campaign-main h2{font-size:36px;line-height:1.25;margin:13px 0}
    .campaign-main p{max-width:550px;color:#fff8ed}
    .campaign-main .btn{margin-top:25px}
    .gift-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px;margin-top:27px}
    .gift{padding:16px;background:rgba(255,255,255,.16);border-radius:12px;font-size:14px}
    .campaign-side{background:#fff;padding:31px;border-radius:var(--radius);border:1px solid #f1d9ad}
    .campaign-side h3{font-size:22px;color:#7d4b12;margin-bottom:17px}
    .countdown{display:flex;gap:9px;margin:24px 0}
    .countdown b{display:block;background:#fff4df;border:1px solid #f2d4a7;border-radius:10px;padding:12px 9px;text-align:center;min-width:55px;color:#a35e0c;font-size:20px}
    .countdown span{display:block;font-size:11px;font-weight:400}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .quote{background:#fff;padding:29px;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(20,55,110,.04)}
    .quote-mark{font-size:45px;color:var(--cyan);height:45px;line-height:1}
    .quote p{font-size:15px;color:#475972;line-height:1.9;margin:12px 0 21px}
    .quote-user{border-top:1px solid var(--line);padding-top:15px;font-size:13px;color:var(--muted)}
    .quote-user b{display:block;color:var(--blue-deep);font-size:14px}
    .content-layout{display:grid;grid-template-columns:1fr 340px;gap:30px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 26px}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{color:var(--blue);font-weight:800;font-size:13px}
    .news-item h3{font-size:17px;color:var(--blue-deep);margin-bottom:5px}
    .news-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .more{color:var(--blue);font-size:12px;font-weight:800;white-space:nowrap}
    .side-feature{background:var(--blue-deep);color:#fff;border-radius:var(--radius);padding:27px;display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
    .side-feature img{height:170px;border-radius:13px;margin:20px 0}
    .side-feature h3{font-size:24px;line-height:1.35}
    .side-feature p{font-size:14px;color:#c4d5ed}
    .vertical-section{background:#f0f7f7}
    .vertical-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}
    .vertical-card{min-height:260px;border-radius:18px;padding:20px;color:#fff;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden;background-size:cover;background-position:center}
    .vertical-card:before{content:"";position:absolute;inset:0;background:linear-gradient(transparent 20%,rgba(5,22,57,.88))}
    .vertical-card>*{position:relative}
    .vertical-card h3{font-size:19px;line-height:1.4}
    .vertical-card span{font-size:12px;color:#bdeef1;margin-top:6px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq button{width:100%;padding:20px 22px;text-align:left;background:#fff;color:var(--blue-deep);font-weight:800;display:flex;justify-content:space-between;align-items:center}
    .faq button span{font-size:22px;color:var(--blue)}
    .faq-answer{display:none;padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85}
    .faq.open .faq-answer{display:block}
    .faq.open button span{transform:rotate(45deg)}
    .cta{padding:75px 0;background:linear-gradient(110deg,#165bd8,#0c347c);color:#fff}
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(29px,4vw,44px);line-height:1.25;margin:13px 0}
    .cta p{color:#d3e0f6;max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}
    .footer{background:#071735;color:#afc0dc;padding:62px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:45px;padding-bottom:45px}
    .footer .brand strong{color:#fff}
    .footer .brand small{color:#8fa4c4}
    .footer-intro{font-size:14px;line-height:1.9;margin-top:19px;max-width:330px}
    .footer h3{color:#fff;font-size:15px;margin-bottom:18px}
    .footer-links{display:grid;gap:9px;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:22px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px}
    .footer-bottom a{color:#c6d9f5;margin-left:16px}
    @media(max-width:1024px){
      .nav{gap:15px}.brand{min-width:180px}.nav-links a{padding:9px 7px;font-size:13px}.search{display:none}
      .intro-grid,.feature-layout,.campaign-grid{gap:35px}.section{padding:80px 0}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .topline .container{justify-content:center}.topline span:last-child{display:none}
      .nav{height:70px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:76px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:15px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 15px}
      .nav-actions .btn{display:none}
      .hero{min-height:590px}.hero-content{padding:75px 0}.hero h1{font-size:47px}
      .section-head{display:block}.section-head p{margin-top:16px}.intro-grid,.feature-layout,.campaign-grid,.content-layout{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}.topic-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
      .steps{grid-template-columns:repeat(2,1fr)}.step:not(:last-child):after{display:none}
      .vertical-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:1fr}
      .cta-box{display:block}.cta-actions{margin-top:27px}.footer-grid{grid-template-columns:repeat(2,1fr)}
      .side-feature{min-height:300px}.news-item{grid-template-columns:76px 1fr}.news-item .more{display:none}
    }
    @media(max-width:520px){
      body{font-size:15px}.section{padding:64px 0}.brand strong{font-size:22px}.brand{min-width:auto}
      .hero h1{font-size:39px}.hero p{font-size:16px}.hero-stats{gap:20px;margin-top:38px}
      .metric-grid,.topic-grid,.quote-grid,.steps,.vertical-grid{grid-template-columns:1fr}
      .intro-image img{height:300px}.float-note{left:14px;bottom:14px}.news-list{padding:8px 17px}.news-item{display:block}.news-date{margin-bottom:6px}
      .news-item h3{font-size:16px}.campaign-main h2{font-size:29px}.gift-list{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}.footer-bottom{display:block}.footer-bottom a{margin:8px 12px 0 0;display:inline-block}
    }

/* roulang page: category1 */
:root{
 --blue:#1457d9;--blue-dark:#0b2c68;--blue-deep:#081b43;--cyan:#27c6d9;
 --gold:#f4b942;--ink:#17243b;--muted:#6f7c91;--paper:#f5f8fc;
 --white:#fff;--line:#e2e9f3;--soft:#eaf2ff;--radius:22px;--radius-sm:13px;
 --shadow:0 18px 50px rgba(20,55,110,.10);--shadow-hover:0 24px 62px rgba(20,55,110,.18);
 --container:1180px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topline{background:var(--blue-deep);color:#bcd0ed;font-size:12px;letter-spacing:.05em}
.topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
.header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:82px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:13px;min-width:215px}
.brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
.brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
.nav-links{display:flex;gap:6px;align-items:center;flex:1}
.nav-links a{padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
.nav-actions{display:flex;gap:10px;align-items:center}
.search{width:150px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px}
.search input{border:0;outline:0;width:100%;background:transparent;font-size:13px}
.menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
.btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
.btn-light:hover{background:var(--soft);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#123b80;transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid rgba(39,198,217,.55);outline-offset:3px}
.hero{min-height:600px;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;background:linear-gradient(90deg,rgba(5,22,57,.96),rgba(8,35,86,.82) 48%,rgba(8,29,67,.34)),url("/assets/images/backpic/back-2.webp") center/cover}
.hero:after{content:"";position:absolute;right:-10%;bottom:-35%;width:520px;height:420px;background:rgba(39,198,217,.18);filter:blur(75px);border-radius:50%}
.hero-content{position:relative;z-index:1;padding:80px 0 95px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
.hero .eyebrow{color:#9feef4}
.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.065em;margin:22px 0 25px}
.hero h1 em{color:#76e0e7;font-style:normal}
.hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:710px}
.hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
.hero-panel{position:absolute;z-index:2;right:max(24px,calc((100% - 1180px)/2));bottom:58px;width:282px;padding:22px;border:1px solid rgba(255,255,255,.25);border-radius:18px;background:rgba(6,27,68,.78);backdrop-filter:blur(12px)}
.hero-panel h3{font-size:16px;margin-bottom:13px}
.slot{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid rgba(255,255,255,.15);color:#c9d9f1;font-size:13px}
.slot b{color:#79e2e8}
.section{padding:96px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:12px}
.section-head p{max-width:540px;color:var(--muted);font-size:16px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.metric strong{display:block;font-size:34px;line-height:1.2;color:var(--blue)}
.metric span{color:var(--muted);font-size:14px}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.intro-grid h2{font-size:clamp(29px,4vw,45px);color:var(--blue-deep);line-height:1.3;margin:14px 0 20px}
.intro-grid p{color:var(--muted);margin-bottom:16px}
.intro-image{position:relative}
.intro-image img{height:410px;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-note{position:absolute;left:-22px;bottom:22px;background:#fff;padding:15px 18px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;color:var(--blue-deep)}
.soft-section{background:#edf4ff}
.matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
.matrix-main,.matrix-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.matrix-main h3,.matrix-side h3{font-size:23px;color:var(--blue-deep);margin-bottom:12px}
.matrix-main p,.matrix-side p{color:var(--muted)}
.matrix-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.matrix-item{padding:17px;border-radius:14px;background:var(--soft);border-left:3px solid var(--cyan)}
.matrix-item b{display:block;color:var(--blue-deep);margin-bottom:4px}
.matrix-item span{font-size:13px;color:var(--muted)}
.content-split{display:grid;grid-template-columns:.82fr 1.18fr;gap:65px;align-items:center}
.content-split img{height:390px;border-radius:var(--radius);box-shadow:var(--shadow)}
.content-split h2{font-size:clamp(29px,4vw,44px);color:var(--blue-deep);line-height:1.3;margin:14px 0 20px}
.content-split p{color:var(--muted)}
.check-list{list-style:none;display:grid;gap:13px;margin:25px 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
.check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
.band{background:var(--blue-deep);color:#fff}
.band-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.band h2{font-size:clamp(30px,4vw,47px);line-height:1.25;margin:14px 0 18px}
.band p{color:#c4d5ed}
.steps{display:grid;gap:14px}
.step{display:flex;gap:17px;padding:18px;border:1px solid rgba(255,255,255,.16);border-radius:15px;background:rgba(255,255,255,.06)}
.step-no{width:35px;height:35px;border-radius:10px;background:var(--cyan);color:var(--blue-deep);display:grid;place-items:center;font-weight:900;flex:none}
.step h3{font-size:17px;margin-bottom:3px}.step p{font-size:13px}
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scenario{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.3s}
.scenario:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.scenario .icon{font-size:29px;color:var(--blue);margin-bottom:12px}
.scenario h3{font-size:20px;color:var(--blue-deep);margin-bottom:8px}.scenario p{color:var(--muted);font-size:14px}
.quote{background:#fff;border-radius:var(--radius);padding:36px 45px;border:1px solid var(--line);box-shadow:var(--shadow);display:grid;grid-template-columns:90px 1fr;gap:25px;align-items:center}
.quote-mark{width:74px;height:74px;border-radius:50%;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:38px;font-weight:900}
.quote p{font-size:20px;line-height:1.8;color:var(--blue-deep)}.quote small{color:var(--muted)}
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}
.faq-wrap h2{font-size:clamp(29px,4vw,43px);line-height:1.3;color:var(--blue-deep)}
.faq-wrap>div>p{color:var(--muted);margin-top:16px}
.faq-list{display:grid;gap:12px}
details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 21px}
summary{cursor:pointer;font-weight:700;color:var(--blue-deep);list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";float:right;color:var(--blue)}
details[open] summary:after{content:"－"}details p{color:var(--muted);font-size:14px;margin-top:12px}
.cta{padding:72px 0;background:#dfeeff}
.cta-box{background:var(--blue);color:#fff;border-radius:var(--radius);padding:45px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
.cta h2{font-size:clamp(27px,4vw,42px);line-height:1.3}.cta p{color:#dceaff;margin-top:8px}
.subscribe{display:flex;gap:9px;margin-top:20px}.subscribe input{height:48px;border:0;border-radius:10px;padding:0 14px;width:240px;outline:0}.subscribe input:focus{box-shadow:0 0 0 3px rgba(39,198,217,.45)}
.footer{background:#071936;color:#c0d0e7;padding:68px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer .brand strong{color:#fff}.footer .brand small{color:#91a8c9}.footer-intro{max-width:340px;font-size:14px;line-height:1.9;margin-top:20px;color:#93a8c6}.footer h3{font-size:15px;color:#fff;margin-bottom:16px}.footer-links{display:grid;gap:9px;font-size:14px}.footer-links a{color:#9eb2ce;transition:.2s}.footer-links a:hover{color:#73e4ea}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:20px;display:flex;justify-content:space-between;gap:18px;font-size:12px;color:#849ab9}.footer-bottom a{margin-left:18px;color:#b7c9e2}
@media(max-width:1024px){.nav{gap:16px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}.search{display:none}.hero-panel{right:24px}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.topline .container{height:auto;min-height:35px}.nav{height:70px;justify-content:space-between}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:70px;left:0;right:0;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 15px}.nav-actions{display:none}.hero{min-height:700px}.hero-content{padding:75px 0 180px}.hero-panel{left:16px;right:16px;bottom:28px;width:auto}.section{padding:70px 0}.section-head,.intro-grid,.content-split,.band-grid,.faq-wrap{display:block}.section-head p{margin-top:15px}.intro-image,.content-split img{margin-top:30px}.matrix{grid-template-columns:1fr}.scenario-grid{grid-template-columns:1fr}.quote{grid-template-columns:1fr;padding:28px}.cta-box{display:block;padding:32px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-bottom div+div{margin-top:13px}.footer-bottom a{margin-left:0;margin-right:18px}}
@media(max-width:520px){.brand strong{font-size:21px}.brand small{font-size:8px}.hero h1{font-size:43px}.hero p{font-size:16px}.metric-grid,.matrix-list{grid-template-columns:1fr}.section-head h2{font-size:31px}.footer-grid{grid-template-columns:1fr}.subscribe{display:block}.subscribe input{width:100%;margin-bottom:10px}.subscribe .btn{width:100%}}

/* roulang page: category3 */
:root{
      --blue:#1457d9;
      --blue-dark:#0b2c68;
      --blue-deep:#081b43;
      --cyan:#27c6d9;
      --gold:#f4b942;
      --ink:#17243b;
      --muted:#6f7c91;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#e2e9f3;
      --soft:#eaf2ff;
      --green:#19a985;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(20,55,110,.10);
      --shadow-hover:0 24px 62px rgba(20,55,110,.18);
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.75;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .topline{height:35px;background:var(--blue-deep);color:#aebed8;font-size:12px}
    .topline .container{height:35px;display:flex;justify-content:space-between;align-items:center}
    .topline strong{color:#fff;font-weight:700}
    .header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:82px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:13px;min-width:215px}
    .brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
    .brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
    .nav-links{display:flex;gap:6px;align-items:center;flex:1}
    .nav-links a{padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .search{width:150px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px}
    .search input{border:0;outline:0;width:100%;background:transparent;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn:focus,.nav-links a:focus,.search input:focus{outline:3px solid rgba(39,198,217,.35);outline-offset:3px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
    .btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
    .btn-light:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#123b80;transform:translateY(-2px)}
    .page-hero{
      min-height:500px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        linear-gradient(90deg,rgba(5,22,57,.97) 0%,rgba(8,35,86,.86) 48%,rgba(8,29,67,.42) 100%),
        url("/assets/images/backpic/back-2.webp") center/cover;
    }
    .page-hero:after{content:"";position:absolute;right:-10%;bottom:-45%;width:600px;height:600px;border-radius:50%;background:rgba(39,198,217,.18);filter:blur(72px)}
    .hero-content{position:relative;z-index:1;padding:90px 0 86px;max-width:850px}
    .page-hero .eyebrow{color:#9feef4}
    .page-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.1;letter-spacing:-.065em;margin:20px 0 22px}
    .page-hero h1 em{font-style:normal;color:#76e0e7}
    .page-hero p{max-width:720px;color:#dbe7fb;font-size:18px;line-height:1.9}
    .hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .hero-badge{position:absolute;right:5%;top:78px;z-index:2;padding:15px 19px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:15px;backdrop-filter:blur(10px);color:#fff;font-size:13px}
    .hero-badge b{display:block;color:var(--gold);font-size:24px;line-height:1.1;margin-bottom:3px}
    .section{padding:100px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:12px}
    .section-head p{max-width:560px;color:var(--muted);font-size:16px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px 23px;box-shadow:0 8px 25px rgba(20,55,110,.04);transition:.3s}
    .metric-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .metric-card strong{display:block;color:var(--blue-deep);font-size:34px;line-height:1.15}
    .metric-card strong span{font-size:17px;color:var(--blue)}
    .metric-card p{color:var(--muted);font-size:14px;margin-top:8px}
    .metric-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;color:var(--blue);font-size:13px;font-weight:800}
    .metric-label i{font-style:normal;background:var(--soft);border-radius:50%;width:28px;height:28px;display:grid;place-items:center}
    .soft-section{background:#edf4ff}
    .matrix{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .matrix-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
    .matrix-panel h3{font-size:24px;color:var(--blue-deep);margin-bottom:9px}
    .matrix-panel>p{color:var(--muted);margin-bottom:24px}
    .data-list{display:grid;gap:12px}
    .data-list li{list-style:none;display:flex;gap:14px;align-items:flex-start;border-top:1px solid var(--line);padding-top:14px}
    .data-list li:first-child{border-top:0;padding-top:0}
    .data-icon{width:34px;height:34px;border-radius:10px;background:#dff8f7;color:#008e9e;display:grid;place-items:center;font-weight:900;flex:none}
    .data-list b{display:block;color:var(--blue-deep);font-size:15px}
    .data-list span{display:block;color:var(--muted);font-size:13px;line-height:1.65}
    .scoreboard{background:var(--blue-deep);color:#fff;border-radius:var(--radius);padding:30px;position:relative;overflow:hidden}
    .scoreboard:before{content:"";position:absolute;inset:0;background:url("/assets/images/coverpic/cover-6.webp") center/cover;opacity:.13}
    .scoreboard>*{position:relative}
    .scoreboard .live{display:inline-flex;align-items:center;gap:7px;color:#9feef4;font-size:12px;font-weight:800;letter-spacing:.12em}
    .live:before{content:"";width:8px;height:8px;border-radius:50%;background:#40e6bd;box-shadow:0 0 0 5px rgba(64,230,189,.16)}
    .scoreboard h3{font-size:25px;margin:23px 0 22px}
    .match-row{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;padding:17px 0;border-top:1px solid rgba(255,255,255,.16)}
    .match-row span{font-size:14px;color:#ccdaee}
    .match-row span:last-child{text-align:right}
    .score{font-size:27px;font-weight:900;color:#fff;letter-spacing:.06em}
    .result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .result-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;transition:.3s}
    .result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .result-card .result-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}
    .result-card .result-top span{font-size:12px;color:var(--muted)}
    .result-card .result-top b{font-size:12px;color:var(--green);background:#e5f8f2;padding:5px 8px;border-radius:7px}
    .teams{display:flex;justify-content:space-between;align-items:center;text-align:center;gap:10px}
    .team{flex:1;color:var(--blue-deep);font-weight:700;font-size:14px}
    .team-mark{width:42px;height:42px;margin:0 auto 8px;border-radius:13px;background:var(--soft);display:grid;place-items:center;color:var(--blue);font-weight:900;font-size:19px}
    .teams strong{font-size:27px;color:var(--blue-deep);white-space:nowrap}
    .result-card p{border-top:1px solid var(--line);margin-top:20px;padding-top:14px;color:var(--muted);font-size:13px}
    .split-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
    .split-image{position:relative}
    .split-image img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;right:-20px;bottom:25px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:15px 18px;box-shadow:var(--shadow);font-size:13px;color:var(--muted)}
    .image-note b{display:block;color:var(--blue-deep);font-size:22px;line-height:1.2}
    .copy h2{font-size:clamp(29px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin:13px 0 18px}
    .copy>p{color:var(--muted);line-height:1.9}
    .check-list{list-style:none;display:grid;gap:14px;margin:26px 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
    .check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:28px;height:2px;background:#cfe0ff}
    .step{position:relative;text-align:center;padding:0 14px}
    .step-number{width:56px;height:56px;margin:0 auto 17px;border-radius:18px;background:#fff;border:1px solid #cfe0ff;color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:900;position:relative;z-index:1;box-shadow:0 8px 20px rgba(20,87,217,.1)}
    .step h3{color:var(--blue-deep);font-size:17px;margin-bottom:7px}
    .step p{color:var(--muted);font-size:13px;line-height:1.75}
    .dark-band{background:var(--blue-deep);color:#fff;position:relative;overflow:hidden}
    .dark-band:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-3.webp") center/cover;opacity:.13}
    .dark-band .container{position:relative}
    .dark-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .dark-grid h2{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:-.05em;margin:13px 0 20px}
    .dark-grid p{color:#c4d5ed;line-height:1.9}
    .quote{border-left:3px solid var(--cyan);padding:10px 0 10px 22px;margin-top:26px;color:#e4efff;font-size:18px}
    .dark-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:28px}
    .dark-card h3{font-size:22px;margin-bottom:20px}
    .bar{margin:19px 0}
    .bar-head{display:flex;justify-content:space-between;color:#d8e7fa;font-size:13px;margin-bottom:8px}
    .bar-track{height:8px;border-radius:8px;background:rgba(255,255,255,.14);overflow:hidden}
    .bar-track i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--cyan),#77e5d8)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
    .faq-wrap>div>p{color:var(--muted);margin-top:17px}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:.25s}
    details:hover{border-color:#bed3f7}
    details[open]{box-shadow:var(--shadow)}
    summary{list-style:none;cursor:pointer;color:var(--blue-deep);font-weight:800;padding:19px 28px 19px 0;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;top:15px;color:var(--blue);font-size:23px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;line-height:1.85;padding:0 0 19px}
    .cta{padding:78px 0;background:#eaf2ff}
    .cta-box{background:linear-gradient(120deg,#1457d9,#0b2c68);border-radius:var(--radius);padding:48px 55px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}
    .cta-box:after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-65px;top:-130px;background:rgba(39,198,217,.2)}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(27px,4vw,42px);line-height:1.25;margin-bottom:10px}
    .cta-box p{color:#cbdcf6;max-width:650px}
    .footer{background:#071938;color:#c4d2e8;padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr .8fr;gap:45px}
    .footer .brand strong{color:#fff}
    .footer .brand small{color:#7f96b7}
    .footer-intro{font-size:14px;line-height:1.9;max-width:340px;margin-top:20px;color:#91a7c6}
    .footer h3{font-size:15px;color:#fff;margin:8px 0 18px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{font-size:14px;color:#91a7c6;transition:.2s}
    .footer-links a:hover{color:#7ee4e8;transform:translateX(3px)}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:50px;padding-top:21px;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#7890b1}
    .footer-bottom a{margin-left:18px;color:#a9bad5}
    @media(max-width:1024px){
      .nav{gap:16px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}.search{width:120px}
      .metric-grid{grid-template-columns:repeat(2,1fr)}.matrix,.split-section,.dark-grid{gap:38px}
      .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
      .footer-grid>div:last-child{grid-column:2 / 4}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .topline .container{justify-content:center}.topline .container span:last-child{display:none}
      .nav{height:72px}.brand{min-width:0;flex:1}.brand strong{font-size:22px}
      .nav-actions{display:none}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:17px;right:17px;top:72px;background:#fff;border:1px solid var(--line);border-radius:0 0 18px 18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{width:100%;padding:12px 14px}
      .page-hero{min-height:560px}.hero-content{padding:80px 0}.hero-badge{right:18px;top:auto;bottom:28px}
      .section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}
      .matrix,.split-section,.dark-grid,.faq-wrap{grid-template-columns:1fr}
      .result-grid{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr;gap:30px}.timeline:before{display:none}
      .split-image{order:2}.copy{order:1}.cta-box{display:block;padding:35px 28px}.cta-box .btn{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{display:block;line-height:2}.footer-bottom div+div{margin-top:10px}.footer-bottom a:first-child{margin-left:0}
    }
    @media(max-width:520px){
      body{font-size:15px}.metric-grid,.result-grid{grid-template-columns:1fr}
      .page-hero h1{font-size:43px}.page-hero p{font-size:16px}
      .hero-buttons .btn{width:100%}.scoreboard,.matrix-panel{padding:23px}
      .split-image img{height:300px}.image-note{right:12px;bottom:15px}
      .timeline{grid-template-columns:1fr;gap:22px;text-align:left}.step{text-align:left;display:grid;grid-template-columns:56px 1fr;column-gap:15px}.step-number{grid-row:span 2;margin:0}.step h3{margin-top:3px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:last-child{grid-column:auto}
      .footer-bottom{font-size:11px}
    }

/* roulang page: category6 */
:root{
      --blue:#1457d9;
      --blue-dark:#0b2c68;
      --blue-deep:#081b43;
      --cyan:#27c6d9;
      --gold:#f4b942;
      --ink:#17243b;
      --muted:#6f7c91;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#e2e9f3;
      --soft:#eaf2ff;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(20,55,110,.10);
      --shadow-hover:0 24px 62px rgba(20,55,110,.18);
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden
    }
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .topline{background:var(--blue-deep);color:#c4d5ed;font-size:12px;letter-spacing:.05em}
    .topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
    .topline a{color:#8fe5eb;transition:.2s}
    .topline a:hover{color:#fff}
    .header{
      background:rgba(255,255,255,.96);
      border-bottom:1px solid var(--line);
      position:sticky;top:0;z-index:20;
      backdrop-filter:blur(12px)
    }
    .nav{height:82px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:13px;min-width:215px}
    .brand-mark{
      width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;
      display:grid;place-items:center;font-weight:900;font-size:20px;
      box-shadow:0 8px 18px rgba(20,87,217,.25)
    }
    .brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
    .nav-links{display:flex;gap:6px;align-items:center;flex:1}
    .nav-links a{
      padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;
      white-space:nowrap;transition:.25s
    }
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .search{
      width:150px;height:40px;border:1px solid var(--line);border-radius:10px;
      display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px;background:#fff
    }
    .search input{border:0;outline:0;width:100%;background:transparent;font-size:13px;min-width:0}
    .menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;color:var(--blue);
      font-size:13px;letter-spacing:.16em;font-weight:800;text-transform:uppercase
    }
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
    .section{padding:96px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px
    }
    .section-head h2{
      font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;
      color:var(--blue-deep);margin-top:12px
    }
    .section-head p{max-width:560px;color:var(--muted);font-size:16px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;
      transition:.25s;border:1px solid transparent
    }
    .btn:focus,.search input:focus,.subscribe-form input:focus{outline:3px solid rgba(39,198,217,.3);outline-offset:2px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
    .btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
    .btn-light:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#123b80;transform:translateY(-2px)}
    .hero{
      min-height:590px;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;
      background:
        linear-gradient(90deg,rgba(5,22,57,.97) 0%,rgba(8,35,86,.86) 52%,rgba(8,29,67,.42) 100%),
        url("/assets/images/backpic/back-3.webp") center/cover
    }
    .hero:after{
      content:"";position:absolute;inset:auto -6% -45%;height:380px;
      background:rgba(39,198,217,.17);filter:blur(70px);border-radius:50%
    }
    .hero-content{position:relative;z-index:1;width:100%;padding:82px 0 88px}
    .hero .eyebrow{color:#9feef4}
    .hero h1{
      max-width:780px;font-size:clamp(40px,6vw,72px);line-height:1.08;
      letter-spacing:-.065em;margin:20px 0 22px
    }
    .hero h1 em{color:#76e0e7;font-style:normal}
    .hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:720px}
    .hero-panel{
      margin:32px auto 0;max-width:720px;padding:8px;
      border-radius:16px;background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.23);backdrop-filter:blur(8px)
    }
    .hero-search{display:flex;gap:8px;background:#fff;border-radius:11px;padding:6px}
    .hero-search input{
      flex:1;min-width:0;border:0;padding:11px 14px;color:var(--ink);
      outline:0;background:transparent
    }
    .hero-search button{white-space:nowrap}
    .quick-links{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}
    .quick-links a{
      color:#e4f4ff;font-size:13px;padding:6px 12px;border:1px solid rgba(255,255,255,.22);
      border-radius:99px;transition:.2s
    }
    .quick-links a:hover{background:rgba(255,255,255,.15);border-color:#76e0e7}
    .hero-stats{
      display:flex;gap:32px;flex-wrap:wrap;margin-top:46px;padding-top:22px;
      border-top:1px solid rgba(255,255,255,.23)
    }
    .hero-stat strong{display:block;font-size:27px;color:#fff;line-height:1.2}
    .hero-stat span{font-size:13px;color:#acc1df}
    .ticker{background:#fff;border-bottom:1px solid var(--line)}
    .ticker .container{display:flex;align-items:center;gap:18px;min-height:56px}
    .ticker-label{
      color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;
      white-space:nowrap
    }
    .ticker p{font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
      padding:24px;box-shadow:0 8px 25px rgba(20,55,110,.04);position:relative;overflow:hidden
    }
    .metric:after{content:"";position:absolute;width:80px;height:80px;border-radius:50%;background:var(--soft);right:-30px;top:-30px}
    .metric-label{color:var(--muted);font-size:13px;position:relative;z-index:1}
    .metric strong{display:block;color:var(--blue-deep);font-size:31px;line-height:1.25;margin:9px 0 3px;position:relative;z-index:1}
    .metric small{color:#2a9c91;font-size:12px;position:relative;z-index:1}
    .split-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:72px;align-items:center}
    .content-copy h2{font-size:clamp(29px,4vw,45px);line-height:1.25;color:var(--blue-deep);letter-spacing:-.05em;margin:13px 0 19px}
    .content-copy p{color:var(--muted);line-height:1.95;margin-bottom:16px}
    .check-list{list-style:none;display:grid;gap:13px;margin:24px 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
    .check-list li:before{
      content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;
      display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px
    }
    .image-frame{position:relative}
    .image-frame img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{
      position:absolute;left:22px;bottom:22px;background:#fff;padding:15px 18px;border-radius:13px;
      box-shadow:var(--shadow);max-width:250px
    }
    .image-note strong{display:block;color:var(--blue-deep);font-size:18px}
    .image-note span{font-size:12px;color:var(--muted)}
    .soft-section{background:#edf4ff}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .topic-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      overflow:hidden;transition:.3s;box-shadow:0 8px 25px rgba(20,55,110,.04)
    }
    .topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
    .topic-card img{height:190px}
    .topic-body{padding:22px}
    .tag{display:inline-flex;background:var(--soft);color:var(--blue);padding:5px 9px;border-radius:7px;font-size:12px;font-weight:800}
    .topic-body h3{font-size:21px;color:var(--blue-deep);margin:13px 0 9px}
    .topic-body p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
    .topic-link{color:var(--blue);font-size:13px;font-weight:800}
    .topic-link:hover{text-decoration:underline}
    .dark-band{background:var(--blue-deep);color:#fff;position:relative;overflow:hidden}
    .dark-band:before{
      content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;opacity:.14
    }
    .dark-band .container{position:relative}
    .dark-band .section-head h2{color:#fff}
    .dark-band .section-head p{color:#bfd0e8}
    .comparison{
      display:grid;grid-template-columns:1fr 1fr;gap:18px
    }
    .compare-card{
      padding:27px;border:1px solid rgba(255,255,255,.16);border-radius:18px;
      background:rgba(255,255,255,.06)
    }
    .compare-card.featured{background:#fff;color:var(--ink);border-color:#fff}
    .compare-title{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:18px}
    .compare-title h3{font-size:22px}
    .compare-card.featured .compare-title h3{color:var(--blue-deep)}
    .compare-badge{font-size:11px;padding:5px 9px;border-radius:99px;background:var(--cyan);color:var(--blue-deep);font-weight:800}
    .compare-card ul{list-style:none;display:grid;gap:13px}
    .compare-card li{display:flex;gap:10px;font-size:14px;color:#cad8ec}
    .compare-card.featured li{color:#52627a}
    .compare-card li:before{content:"+";color:var(--cyan);font-weight:900}
    .compare-card.featured li:before{color:var(--blue)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
    .timeline:before{
      content:"";height:2px;background:#cfe0ff;position:absolute;left:8%;right:8%;top:23px
    }
    .step{position:relative;text-align:center;padding:0 13px}
    .step-num{
      width:47px;height:47px;margin:0 auto 18px;border-radius:50%;background:#fff;
      border:7px solid #e4edff;color:var(--blue);display:grid;place-items:center;
      font-weight:900;position:relative;z-index:1
    }
    .step h3{font-size:18px;color:var(--blue-deep);margin-bottom:7px}
    .step p{color:var(--muted);font-size:13px;line-height:1.8}
    .feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .feature-item{
      display:flex;gap:15px;padding:20px;border:1px solid var(--line);
      border-radius:15px;background:#fff;box-shadow:0 8px 25px rgba(20,55,110,.04)
    }
    .feature-icon{
      width:38px;height:38px;border-radius:11px;background:var(--cyan);color:var(--blue-deep);
      display:grid;place-items:center;font-weight:900;flex:none
    }
    .feature-item h3{font-size:16px;color:var(--blue-deep);margin-bottom:5px}
    .feature-item p{font-size:13px;color:var(--muted);line-height:1.7}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .news-main,.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
    .news-main h3{font-size:25px;color:var(--blue-deep);margin:11px 0}
    .news-main p,.news-side p{color:var(--muted);font-size:14px;line-height:1.85}
    .news-list{display:grid;gap:0;margin-top:18px}
    .news-item{
      display:grid;grid-template-columns:95px 1fr auto;gap:18px;align-items:center;
      padding:17px 0;border-top:1px solid var(--line)
    }
    .news-date{font-size:12px;color:var(--blue);font-weight:800}
    .news-item h4{font-size:15px;color:var(--blue-deep);margin-bottom:3px}
    .news-item p{font-size:12px;line-height:1.65}
    .news-item .topic-link{white-space:nowrap}
    .side-stat{padding:17px 0;border-bottom:1px solid var(--line)}
    .side-stat:last-child{border-bottom:0}
    .side-stat strong{font-size:28px;color:var(--blue);display:block}
    .side-stat span{font-size:13px;color:var(--muted)}
    .quote{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;
      box-shadow:var(--shadow);position:relative
    }
    .quote:before{content:"“";font-family:Georgia,serif;color:var(--cyan);font-size:80px;line-height:.8;position:absolute;top:18px;left:22px}
    .quote p{padding-left:48px;color:#40516b;font-size:18px;line-height:1.9}
    .quote cite{display:block;margin-top:17px;padding-left:48px;color:var(--muted);font-size:13px;font-style:normal}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .faq-intro h2{font-size:clamp(29px,4vw,43px);line-height:1.25;color:var(--blue-deep);letter-spacing:-.05em;margin:13px 0 16px}
    .faq-intro p{color:var(--muted);line-height:1.9}
    .faq-list{display:grid;gap:11px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px 20px;
      transition:.25s
    }
    details[open]{box-shadow:var(--shadow);border-color:#c9dcff}
    summary{cursor:pointer;list-style:none;color:var(--blue-deep);font-weight:800;padding-right:25px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;top:-4px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;line-height:1.85;padding-top:12px}
    .cta{
      background:linear-gradient(110deg,var(--blue),#2377dd);
      color:#fff;border-radius:var(--radius);padding:48px 54px;position:relative;overflow:hidden
    }
    .cta:after{
      content:"";position:absolute;width:330px;height:330px;border:1px solid rgba(255,255,255,.2);
      border-radius:50%;right:-100px;top:-150px
    }
    .cta-layout{display:flex;align-items:center;justify-content:space-between;gap:35px;position:relative;z-index:1}
    .cta h2{font-size:clamp(27px,4vw,40px);line-height:1.25;margin:10px 0}
    .cta p{color:#dceaff;max-width:640px}
    .subscribe-form{display:flex;gap:8px;margin-top:22px;max-width:620px}
    .subscribe-form input{flex:1;min-width:0;border:0;border-radius:10px;padding:13px 15px;background:#fff;color:var(--ink)}
    .subscribe-form button{background:var(--blue-deep);color:#fff}
    .footer{background:#071735;color:#d5e0f0;padding:68px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:45px}
    .footer .brand strong{color:#fff}
    .footer .brand small{color:#91a6c5}
    .footer-intro{color:#9db0cb;max-width:370px;margin-top:20px;font-size:14px;line-height:1.9}
    .footer h3{font-size:15px;color:#fff;margin-bottom:16px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#9db0cb;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#76e0e7}
    .footer-bottom{
      margin-top:45px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);
      display:flex;justify-content:space-between;gap:20px;color:#8296b6;font-size:12px
    }
    .footer-bottom a{margin-left:18px;color:#a9c5ed}
    .footer-bottom a:hover{color:#fff}
    .page-banner{background:#edf4ff;border-bottom:1px solid var(--line);padding:27px 0}
    .breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:9px;align-items:center}
    .breadcrumb a{color:var(--blue)}
    .breadcrumb span{color:#a6b3c6}
    @media(max-width:1024px){
      .nav{gap:16px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}
      .search{width:125px}.metric-grid{grid-template-columns:repeat(2,1fr)}
      .split-grid,.faq-grid{gap:35px}.topic-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .topline .container{height:auto;min-height:35px;padding:7px 0}
      .topline .container span{display:none}
      .nav{height:70px}.brand{min-width:0;flex:1}.brand strong{font-size:22px}
      .nav-actions{display:none}.menu-toggle{display:block}
      .nav-links{
        display:none;position:absolute;top:70px;left:0;right:0;background:#fff;
        padding:12px 16px 18px;border-bottom:1px solid var(--line);
        box-shadow:0 18px 30px rgba(20,55,110,.12);flex-direction:column;align-items:stretch
      }
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .hero{min-height:640px}.hero-content{padding:68px 0 72px}.hero p{font-size:16px}
      .hero-stats{gap:18px}.hero-stat strong{font-size:23px}
      .section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:12px}
      .split-grid,.faq-grid,.news-layout{grid-template-columns:1fr}
      .image-frame{order:-1}.image-frame img{height:330px}
      .topic-grid,.feature-list{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr 1fr;gap:28px}.timeline:before{display:none}
      .cta-layout{display:block}.cta{padding:36px 28px}.cta .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:32px}.footer-bottom{display:block}.footer-bottom div+div{margin-top:12px}
      .footer-bottom a{margin-left:0;margin-right:18px}
    }
    @media(max-width:520px){
      .hero h1{font-size:42px}.hero-search{display:block;background:#fff;padding:5px}
      .hero-search input{width:100%;height:45px}.hero-search button{width:100%;margin-top:5px}
      .quick-links{justify-content:flex-start}.metric-grid,.topic-grid,.feature-list,.comparison{grid-template-columns:1fr}
      .news-main,.news-side{padding:21px}.news-item{grid-template-columns:1fr;gap:3px}
      .news-item .topic-link{justify-self:start;margin-top:6px}
      .timeline{grid-template-columns:1fr}.step{text-align:left;display:grid;grid-template-columns:48px 1fr;column-gap:15px}
      .step-num{grid-row:span 2;margin:0}.step p{grid-column:2}
      .subscribe-form{display:block}.subscribe-form input,.subscribe-form button{width:100%}.subscribe-form button{margin-top:8px}
      .footer-grid{grid-template-columns:1fr}.footer{padding-top:52px}
    }

/* roulang page: category5 */
:root{
 --blue:#1457d9;--blue-dark:#0b2c68;--blue-deep:#081b43;--cyan:#27c6d9;
 --gold:#f4b942;--ink:#17243b;--muted:#6f7c91;--paper:#f5f8fc;
 --white:#fff;--line:#e2e9f3;--soft:#eaf2ff;--green:#19a985;
 --radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(20,55,110,.10);
 --shadow-hover:0 24px 62px rgba(20,55,110,.18);--container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topline{background:var(--blue-deep);color:#b9c9e3;font-size:12px}
.topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
.topline strong{color:#fff;margin-right:8px}
.header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:82px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:13px;min-width:215px}
.brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
.brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
.nav-links{display:flex;gap:4px;align-items:center;flex:1}
.nav-links a{padding:10px 11px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
.nav-actions{display:flex;gap:10px;align-items:center}
.search{width:145px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 11px;color:var(--muted);gap:7px;font-size:13px;background:#fff}
.search input{border:0;outline:0;width:100%;background:transparent;font-size:13px;min-width:0}
.menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
.btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
.btn-light:hover{background:var(--soft);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#123b80;transform:translateY(-2px)}
.btn:focus-visible,.nav-links a:focus-visible,input:focus-visible{outline:3px solid rgba(39,198,217,.45);outline-offset:3px}
.hero{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,22,57,.96),rgba(8,35,86,.82) 55%,rgba(8,29,67,.42)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff}
.hero:after{content:"";position:absolute;right:-8%;bottom:-52%;width:620px;height:620px;border-radius:50%;background:rgba(39,198,217,.16);filter:blur(65px)}
.hero-content{position:relative;z-index:1;padding:105px 0 110px;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
.hero .eyebrow{color:#9feef4}
.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.065em;margin:22px 0 25px}
.hero h1 em{color:#76e0e7;font-style:normal}
.hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:700px;margin:0}
.hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:34px}
.hero-note{display:flex;gap:24px;flex-wrap:wrap;margin-top:48px;padding-top:21px;border-top:1px solid rgba(255,255,255,.24);color:#b9cbe6;font-size:13px}
.hero-note strong{color:#fff;font-size:23px;display:block;line-height:1.25}
.section{padding:94px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin:12px 0 0}
.section-head p{max-width:550px;color:var(--muted);font-size:16px;margin:0}
.soft-section{background:#edf4ff}
.intro-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:76px;align-items:center}
.intro-grid h2{font-size:clamp(29px,4vw,46px);line-height:1.28;letter-spacing:-.05em;color:var(--blue-deep);margin:15px 0 20px}
.intro-grid p{color:var(--muted);font-size:16px}
.intro-image{position:relative}
.intro-image img{height:425px;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-caption{position:absolute;bottom:20px;left:20px;right:20px;background:rgba(8,27,67,.85);color:#fff;border-radius:13px;padding:13px 17px;font-size:13px}
.check-list{list-style:none;padding:0;display:grid;gap:13px;margin:25px 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
.check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:25px 22px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.metric strong{display:block;font-size:34px;line-height:1.2;color:var(--blue)}
.metric span{display:block;color:var(--muted);font-size:14px;margin-top:7px}
.metric small{display:block;color:var(--green);font-size:12px;margin-top:13px}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.topic-card img{height:190px}
.topic-body{padding:22px}
.tag{display:inline-flex;background:var(--soft);color:var(--blue);padding:5px 9px;border-radius:7px;font-size:12px;font-weight:800}
.topic-body h3{font-size:21px;color:var(--blue-deep);margin:13px 0 9px}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 16px}
.text-link{color:var(--blue);font-size:14px;font-weight:800}
.text-link:hover{color:var(--blue-dark)}
.split-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:stretch}
.dark-panel{background:var(--blue-deep);color:#fff;border-radius:var(--radius);padding:42px}
.dark-panel h2{font-size:34px;line-height:1.3;margin:15px 0;color:#fff}
.dark-panel p{color:#c4d3eb}
.dark-panel .eyebrow{color:#8ceaf0}
.quote{margin-top:33px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2);font-size:14px;color:#dce8f8}
.story-list{display:grid;gap:15px}
.story{display:grid;grid-template-columns:110px 1fr;gap:19px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px;transition:.25s}
.story:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.story img{height:92px;border-radius:11px}
.story h3{font-size:18px;color:var(--blue-deep);margin:4px 0 4px}
.story p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}
.story-meta{font-size:12px;color:var(--blue);font-weight:700}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.timeline-item{position:relative;background:#fff;border-top:3px solid var(--cyan);padding:26px 24px;border-radius:0 0 var(--radius-sm) var(--radius-sm);box-shadow:0 8px 25px rgba(20,55,110,.05)}
.timeline-item b{color:var(--blue);font-size:13px}
.timeline-item h3{margin:10px 0 8px;color:var(--blue-deep);font-size:20px}
.timeline-item p{margin:0;color:var(--muted);font-size:14px}
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px 21px;transition:.25s}
.faq-list details[open]{border-color:#b9d0ff;box-shadow:var(--shadow)}
.faq-list summary{cursor:pointer;font-weight:800;color:var(--blue-deep);padding-right:20px;position:relative;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}
.faq-list details[open] summary:after{content:"−"}
.faq-list p{color:var(--muted);font-size:14px;margin:13px 0 0}
.cta{padding:74px 0;background:linear-gradient(110deg,var(--blue),#2588df);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
.cta h2{font-size:clamp(29px,4vw,43px);line-height:1.25;margin:0 0 12px;letter-spacing:-.04em}
.cta p{color:#dcecff;max-width:630px;margin:0}
.subscribe{background:#fff;border-radius:var(--radius);padding:26px;box-shadow:0 15px 40px rgba(3,34,92,.18);min-width:330px}
.subscribe label{font-weight:800;color:var(--blue-deep);font-size:15px}
.subscribe-row{display:flex;gap:8px;margin-top:13px}
.subscribe input{height:44px;min-width:0;flex:1;border:1px solid var(--line);border-radius:9px;padding:0 12px;outline:0}
.subscribe input:focus{border-color:var(--blue)}
.subscribe small{display:block;color:var(--muted);font-size:11px;margin-top:9px}
.footer{background:#071735;color:#b4c3db;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;padding-bottom:52px}
.footer .brand strong{color:#fff}
.footer .brand small{color:#8298b8}
.footer-intro{font-size:14px;line-height:1.9;max-width:340px;margin:21px 0 0;color:#9eb0cc}
.footer h3{color:#fff;font-size:15px;margin:5px 0 17px}
.footer-links{display:grid;gap:10px;font-size:14px}
.footer-links a{transition:.2s}
.footer-links a:hover{color:#76e0e7;transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px;color:#8296b4}
.footer-bottom a{margin-left:18px;color:#b9cbe4}
.footer-bottom a:hover{color:#fff}
@media(max-width:1100px){
 .nav{gap:16px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}.search{width:120px}
}
@media(max-width:900px){
 .nav-links{position:absolute;left:24px;right:24px;top:76px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}.nav-links a{width:100%}.menu-toggle{display:block}.nav-actions .search{display:none}
 .intro-grid,.split-panel{grid-template-columns:1fr;gap:35px}.intro-image{order:-1}
 .metric-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:620px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .topline .container{height:auto;min-height:35px;padding:7px 0}.topline .top-date{display:none}
 .nav{height:76px}.brand{min-width:0;flex:1}.brand strong{font-size:22px}.brand small{font-size:9px}
 .hero-content{padding:75px 0 82px}.hero h1{font-size:43px}.hero p{font-size:16px}
 .hero-buttons .btn{width:100%}.hero-note{gap:16px}.hero-note strong{font-size:20px}
 .section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:16px}
 .metric-grid,.topic-grid,.timeline,.faq-list{grid-template-columns:1fr}
 .intro-image img{height:300px}.intro-grid h2{font-size:32px}
 .dark-panel{padding:28px 23px}.dark-panel h2{font-size:29px}
 .story{grid-template-columns:88px 1fr}.story img{height:80px}.story h3{font-size:16px}
 .cta-inner{display:block}.subscribe{min-width:0;margin-top:25px;padding:21px}.subscribe-row{display:block}.subscribe input{width:100%;margin-bottom:9px}.subscribe .btn{width:100%}
 .footer-grid{grid-template-columns:1fr 1fr;gap:27px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block;padding:20px 0}.footer-bottom div+div{margin-top:10px}.footer-bottom a{margin:0 18px 0 0}
}

/* roulang page: category4 */
:root{--blue:#1457d9;--blue-dark:#0b2c68;--blue-deep:#081b43;--cyan:#27c6d9;--gold:#f4b942;--ink:#17243b;--muted:#6f7c91;--paper:#f5f8fc;--white:#fff;--line:#e2e9f3;--soft:#eaf2ff;--green:#19a985;--radius:22px;--radius-sm:13px;--shadow:0 18px 50px rgba(20,55,110,.10);--shadow-hover:0 24px 62px rgba(20,55,110,.18);--container:1180px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
a{color:inherit;text-decoration:none}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.topline{background:var(--blue-deep);color:#b9c9e5;font-size:12px}
.topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
.header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{height:82px;display:flex;align-items:center;gap:34px}
.brand{display:flex;align-items:center;gap:13px;min-width:215px}
.brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
.brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
.nav-links{display:flex;gap:6px;align-items:center;flex:1}
.nav-links a{padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
.nav-actions{display:flex;gap:10px;align-items:center}
.search{width:150px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px;background:#fff}
.search input{border:0;outline:0;width:100%;background:transparent;font-size:13px}
.menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
.hero{position:relative;overflow:hidden;background:linear-gradient(105deg,#081b43 0%,#103b88 58%,#1457d9 100%);color:#fff;padding:84px 0 76px}
.hero:before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.webp") center/cover;opacity:.18}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:70px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
.hero .eyebrow{color:#9feef4}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
.hero h1{font-size:clamp(40px,6vw,72px);line-height:1.08;letter-spacing:-.065em;margin:20px 0 24px}
.hero h1 em{color:#76e0e7;font-style:normal}
.hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:690px}
.hero-buttons{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
.btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
.btn-light:hover{background:var(--soft);transform:translateY(-2px)}
.btn-dark{background:var(--blue-deep);color:#fff}
.btn-dark:hover{background:#123b80;transform:translateY(-2px)}
.icon-panel{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:22px;box-shadow:0 20px 60px rgba(0,0,0,.16)}
.icon-panel-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.17);color:#dce8ff;font-size:13px}
.live-dot{display:inline-flex;align-items:center;gap:7px;color:#9ff5d7}
.live-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:#38d69e;box-shadow:0 0 0 5px rgba(56,214,158,.14)}
.icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.icon-cell{min-height:96px;border-radius:16px;background:rgba(255,255,255,.1);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#e8f1ff;font-size:13px;text-align:center}
.icon-cell b{font-size:27px;color:#76e0e7}
.status-bar{margin-top:18px;padding:13px 15px;background:rgba(4,18,45,.42);border-radius:13px;color:#bed1ef;font-size:13px}
.section{padding:96px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:12px}
.section-head p{max-width:540px;color:var(--muted);font-size:16px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.metric strong{display:block;color:var(--blue-deep);font-size:34px;line-height:1.2}
.metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
.metric i{display:inline-block;color:var(--green);font-style:normal;font-size:12px;margin-top:13px}
.soft-section{background:#edf4ff}
.split{display:grid;grid-template-columns:.82fr 1.18fr;gap:72px;align-items:center}
.image-card{position:relative}
.image-card img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-note{position:absolute;bottom:22px;left:22px;right:22px;padding:16px 18px;background:rgba(8,27,67,.88);border-radius:14px;color:#fff;font-size:14px}
.content h3{font-size:28px;color:var(--blue-deep);line-height:1.35;margin:14px 0}
.content p{color:var(--muted);margin-bottom:17px}
.check-list{list-style:none;display:grid;gap:12px;margin:25px 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
.check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.matrix-card{background:#fff;padding:25px;border:1px solid var(--line);border-radius:18px;transition:.3s}
.matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.matrix-card .num{color:var(--cyan);font-weight:900;font-size:14px}
.matrix-card h3{font-size:20px;color:var(--blue-deep);margin:9px 0}
.matrix-card p{font-size:14px;color:var(--muted)}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.result-card{background:#fff;border-radius:20px;border:1px solid var(--line);padding:30px}
.result-card.dark{background:var(--blue-deep);color:#fff;border-color:var(--blue-deep)}
.result-card h3{font-size:23px;margin-bottom:14px}
.result-card p{color:var(--muted)}
.result-card.dark p{color:#c7d7f1}
.result-list{list-style:none;margin-top:20px;display:grid;gap:13px}
.result-list li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:11px;color:#4a5a72;font-size:14px}
.result-card.dark .result-list li{border-color:rgba(255,255,255,.16);color:#dce8fb}
.result-list b{color:var(--blue)}
.result-card.dark b{color:#76e0e7}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;box-shadow:0 8px 25px rgba(20,55,110,.04)}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.topic-card img{height:185px}
.topic-body{padding:21px}
.tag{display:inline-flex;background:var(--soft);color:var(--blue);padding:5px 9px;border-radius:7px;font-size:12px;font-weight:800}
.topic-body h3{font-size:20px;color:var(--blue-deep);margin:12px 0 8px}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8}
.topic-body a{display:inline-block;color:var(--blue);font-weight:700;font-size:13px;margin-top:14px}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid #c9dafa}
.step{position:relative;padding:27px 22px 0 0}
.step:before{content:"";position:absolute;top:-9px;left:0;width:16px;height:16px;border-radius:50%;background:var(--blue);border:4px solid #d7e5ff}
.step strong{display:block;color:var(--blue);font-size:13px;margin-bottom:9px}
.step h3{font-size:19px;color:var(--blue-deep);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}
.quote{background:#fff;border:1px solid var(--line);border-left:5px solid var(--cyan);border-radius:16px;padding:28px 32px;color:#40516b;font-size:18px}
.quote cite{display:block;color:var(--muted);font-size:13px;font-style:normal;margin-top:14px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 22px}
.faq-item summary{cursor:pointer;list-style:none;color:var(--blue-deep);font-weight:800;padding-right:25px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;top:-5px}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);font-size:14px;margin-top:13px}
.cta{padding:76px 0;background:linear-gradient(110deg,var(--blue-deep),#1457d9);color:#fff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:12px 0}
.cta p{color:#d6e4fb;max-width:650px}
.footer{background:#071735;color:#c1d0e8;padding:65px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr .8fr;gap:40px}
.footer .brand strong{color:#fff}
.footer .brand small{color:#91a6c8}
.footer-intro{max-width:370px;color:#9cafc9;font-size:14px;margin-top:19px}
.footer h3{color:#fff;font-size:15px;margin-bottom:17px}
.footer-links{display:grid;gap:9px;font-size:14px;color:#9cafc9}
.footer-links a:hover{color:#76e0e7}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.12);margin-top:45px;padding-top:20px;color:#8296b7;font-size:12px}
.footer-bottom div:last-child{display:flex;gap:18px}
.footer-bottom a:hover{color:#fff}
:focus-visible{outline:3px solid rgba(39,198,217,.55);outline-offset:3px}
@media(max-width:1024px){.nav{gap:15px}.brand{min-width:190px}.nav-links a{padding:9px 8px}.search{display:none}.hero-grid,.split{gap:38px}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.topline .container{height:32px}.nav{height:70px;justify-content:space-between}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:77px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{width:100%}.nav-actions{display:none}.hero{padding:65px 0}.hero-grid,.split,.result-grid{grid-template-columns:1fr}.hero h1{font-size:48px}.icon-panel{max-width:560px}.section{padding:72px 0}.section-head{display:block}.section-head p{margin-top:14px}.topic-grid{grid-template-columns:1fr 1fr}.timeline{grid-template-columns:1fr 1fr;gap:25px;border-top:0}.step{border-top:2px solid #c9dafa;padding-top:22px}.step:before{top:-9px}.footer-grid{grid-template-columns:1fr 1fr}.cta-box{display:block}.cta .btn{margin-top:25px}}
@media(max-width:520px){.brand strong{font-size:21px}.brand small{font-size:8px}.hero h1{font-size:40px}.hero p{font-size:16px}.metric-grid,.matrix,.topic-grid,.faq-grid{grid-template-columns:1fr}.icon-matrix{gap:8px}.icon-cell{min-height:82px;font-size:12px}.icon-cell b{font-size:23px}.image-card img{height:300px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:14px}.footer-bottom{line-height:2}}

/* roulang page: category2 */
:root{
      --blue:#1457d9;
      --blue-dark:#0b2c68;
      --blue-deep:#081b43;
      --cyan:#27c6d9;
      --gold:#f4b942;
      --ink:#17243b;
      --muted:#6f7c91;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#e2e9f3;
      --soft:#eaf2ff;
      --green:#19a985;
      --radius:22px;
      --radius-sm:13px;
      --shadow:0 18px 50px rgba(20,55,110,.10);
      --shadow-hover:0 24px 62px rgba(20,55,110,.18);
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .topline{background:var(--blue-deep);color:#bdcce5;font-size:12px;letter-spacing:.04em}
    .topline .container{height:35px;display:flex;align-items:center;justify-content:space-between}
    .header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav{height:82px;display:flex;align-items:center;gap:34px}
    .brand{display:flex;align-items:center;gap:13px;min-width:215px}
    .brand-mark{width:41px;height:41px;border-radius:14px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;font-size:20px;box-shadow:0 8px 18px rgba(20,87,217,.25)}
    .brand strong{font-size:25px;letter-spacing:-.06em;color:var(--blue-deep)}
    .brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.12em;line-height:1.2}
    .nav-links{display:flex;gap:6px;align-items:center;flex:1}
    .nav-links a{padding:10px 13px;border-radius:10px;color:#59677d;font-size:14px;white-space:nowrap;transition:.25s}
    .nav-links a:hover,.nav-links a.active{color:var(--blue);background:var(--soft)}
    .nav-actions{display:flex;gap:10px;align-items:center}
    .search{width:150px;height:40px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;padding:0 12px;color:var(--muted);gap:7px;font-size:13px;background:#fff}
    .search input{border:0;outline:0;width:100%;background:transparent;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:var(--blue-deep);font-size:25px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 21px;border-radius:11px;font-weight:700;font-size:14px;transition:.25s;border:1px solid transparent}
    .btn:focus,.search input:focus,.subscribe-form input:focus{outline:3px solid rgba(39,198,217,.35);outline-offset:2px}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(20,87,217,.2)}
    .btn-primary:hover{background:#0e46b6;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
    .btn-light{background:#fff;color:var(--blue);border-color:#cfe0ff}
    .btn-light:hover{background:var(--soft);transform:translateY(-2px)}
    .btn-dark{background:var(--blue-deep);color:#fff}
    .btn-dark:hover{background:#123b80;transform:translateY(-2px)}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--blue);font-size:13px;letter-spacing:.16em;font-weight:800;text-transform:uppercase}
    .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
    .hero{min-height:620px;display:flex;align-items:center;position:relative;overflow:hidden;color:#fff;background:linear-gradient(90deg,rgba(5,22,57,.97) 0%,rgba(8,35,86,.82) 48%,rgba(8,29,67,.38) 100%),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto -5% -45% 35%;height:390px;background:rgba(39,198,217,.17);filter:blur(70px);border-radius:50%}
    .hero-content{position:relative;z-index:1;padding:82px 0 96px;max-width:690px}
    .hero .eyebrow{color:#9feef4}
    .hero h1{font-size:clamp(40px,6vw,72px);line-height:1.08;letter-spacing:-.065em;margin:22px 0 24px}
    .hero h1 em{color:#76e0e7;font-style:normal}
    .hero p{font-size:18px;line-height:1.9;color:#dbe7fb;max-width:660px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
    .question-panel{position:absolute;z-index:2;right:max(24px,calc((100% - var(--container))/2));bottom:68px;width:330px;padding:25px;background:rgba(255,255,255,.97);color:var(--ink);border-radius:20px;box-shadow:0 24px 70px rgba(2,18,53,.3)}
    .question-panel small{color:var(--blue);font-weight:800;letter-spacing:.1em}
    .question-panel h3{font-size:20px;line-height:1.35;color:var(--blue-deep);margin:9px 0 15px}
    .question-panel .mini-line{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;margin:10px 0}
    .mini-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan)}
    .section{padding:100px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin-top:12px}
    .section-head p{max-width:540px;color:var(--muted);font-size:16px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
    .intro-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.25;color:var(--blue-deep);margin:14px 0 20px}
    .intro-copy p{color:var(--muted);margin-bottom:16px}
    .check-list{list-style:none;display:grid;gap:13px;margin:25px 0}
    .check-list li{display:flex;gap:12px;align-items:flex-start;color:#40516b}
    .check-list li:before{content:"✓";background:#dff8f7;color:#008e9e;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;font-weight:800;flex:none;margin-top:3px}
    .intro-image{position:relative}
    .intro-image img{height:420px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;right:20px;bottom:20px;background:#fff;padding:14px 17px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;color:var(--blue-deep);font-weight:700}
    .soft-section{background:#edf4ff}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .metric{padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 8px 25px rgba(20,55,110,.04)}
    .metric strong{display:block;color:var(--blue);font-size:34px;line-height:1.15}
    .metric span{display:block;color:var(--muted);font-size:14px;margin-top:8px}
    .matrix{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .matrix-card{display:flex;gap:22px;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(20,55,110,.04);transition:.3s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .matrix-icon{width:52px;height:52px;flex:none;display:grid;place-items:center;border-radius:16px;background:var(--soft);color:var(--blue);font-size:23px;font-weight:900}
    .matrix-card h3{font-size:21px;color:var(--blue-deep);margin-bottom:7px}
    .matrix-card p{color:var(--muted);font-size:14px;line-height:1.8}
    .feature-band{background:var(--blue-deep);color:#fff}
    .feature-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:70px;align-items:center}
    .feature-band .eyebrow{color:#9feef4}
    .feature-band h2{font-size:clamp(30px,4vw,48px);line-height:1.24;margin:14px 0 20px}
    .feature-band p{color:#cbd9ee;line-height:1.9}
    .feature-band img{height:380px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.15)}
    .data-list{display:grid;gap:13px;margin-top:25px}
    .data-row{display:grid;grid-template-columns:150px 1fr 70px;align-items:center;gap:15px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
    .data-row span{color:#b8c8e1}
    .bar{height:8px;background:rgba(255,255,255,.12);border-radius:20px;overflow:hidden}
    .bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),#7ee9de);border-radius:20px}
    .data-row b{color:#fff;text-align:right}
    .comparison{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
    .compare-card.highlight{background:linear-gradient(145deg,#fff,#edf5ff);border-color:#c9dcff}
    .compare-card h3{color:var(--blue-deep);font-size:22px;margin-bottom:20px}
    .compare-item{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}
    .compare-item span{color:var(--muted)}
    .compare-item b{color:var(--blue)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .process-step{position:relative;padding:28px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
    .process-step:after{content:"→";position:absolute;right:-17px;top:42px;color:var(--cyan);font-size:22px;font-weight:800}
    .process-step:last-child:after{display:none}
    .step-number{color:var(--cyan);font-size:13px;font-weight:900;letter-spacing:.12em}
    .process-step h3{font-size:19px;color:var(--blue-deep);margin:12px 0 8px}
    .process-step p{font-size:14px;color:var(--muted)}
    .scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
    .scenario-large{min-height:300px;position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(90deg,rgba(8,27,67,.92),rgba(8,27,67,.2)),url("/assets/images/coverpic/cover-6.webp") center/cover;color:#fff;padding:34px;display:flex;align-items:end}
    .scenario-large h3{font-size:28px;line-height:1.3;margin:9px 0}
    .scenario-large p{color:#d9e6fa;max-width:570px;font-size:14px}
    .scenario-stack{display:grid;gap:20px}
    .scenario-small{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 8px 25px rgba(20,55,110,.04)}
    .scenario-small h3{color:var(--blue-deep);font-size:20px;margin-bottom:7px}
    .scenario-small p{color:var(--muted);font-size:14px}
    .insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .insight-card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(20,55,110,.04);transition:.3s}
    .insight-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .insight-card img{height:175px}
    .insight-body{padding:21px}
    .tag{display:inline-flex;background:var(--soft);color:var(--blue);padding:5px 9px;border-radius:7px;font-size:12px;font-weight:800}
    .insight-body h3{font-size:20px;color:var(--blue-deep);margin:12px 0 8px;line-height:1.4}
    .insight-body p{font-size:14px;color:var(--muted);line-height:1.8}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:start}
    .faq-intro h2{font-size:clamp(30px,4vw,44px);line-height:1.25;color:var(--blue-deep);margin:14px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 21px;box-shadow:0 5px 18px rgba(20,55,110,.03)}
    summary{cursor:pointer;list-style:none;color:var(--blue-deep);font-weight:800;position:relative;padding-right:25px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
    .cta-section{padding:78px 0}
    .cta-box{background:linear-gradient(120deg,var(--blue),#168cc8);border-radius:var(--radius);padding:48px 54px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:35px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:11px 0}
    .cta-box p{color:#dbeeff;max-width:650px}
    .subscribe-form{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}
    .subscribe-form input{height:48px;min-width:240px;border:0;border-radius:10px;padding:0 15px;color:var(--ink)}
    .subscribe-form .btn{height:48px}
    .footer{background:var(--blue-deep);color:#d4e0f2;padding:65px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr .8fr;gap:38px}
    .footer .brand strong{color:#fff}
    .footer .brand small{color:#91a8ca}
    .footer-intro{color:#9db1cf;max-width:360px;font-size:14px;margin-top:18px}
    .footer h3{font-size:15px;color:#fff;margin-bottom:15px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#9db1cf;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#76e0e7}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.13);margin-top:45px;padding-top:19px;display:flex;justify-content:space-between;gap:20px;color:#8299bb;font-size:12px}
    .footer-bottom div:last-child{display:flex;gap:18px}
    .footer-bottom a:hover{color:#fff}
    @media(max-width:1024px){
      .nav{gap:17px}.brand{min-width:190px}.nav-links a{padding:9px 8px;font-size:13px}.search{display:none}
      .question-panel{right:24px;width:290px}.metric-grid{grid-template-columns:repeat(2,1fr)}
      .feature-grid,.intro-grid,.faq-wrap{gap:38px}.process-grid{grid-template-columns:repeat(2,1fr)}
      .process-step:after{display:none}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .topline .container{height:auto;min-height:35px;padding:7px 0}
      .topline .container span:last-child{display:none}
      .nav{height:72px;justify-content:space-between}.brand{min-width:0}.brand strong{font-size:22px}
      .menu-toggle{display:block}.nav-links{display:none;position:absolute;left:17px;right:17px;top:72px;background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-actions{display:none}
      .hero{min-height:720px}.hero-content{padding:70px 0 245px}.hero h1{font-size:clamp(39px,12vw,58px)}.hero p{font-size:16px}
      .question-panel{left:17px;right:17px;bottom:34px;width:auto}
      .section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .intro-grid,.feature-grid,.comparison,.scenario-grid,.faq-wrap{grid-template-columns:1fr}
      .intro-image{order:-1}.intro-image img{height:290px}.matrix{grid-template-columns:1fr}.metric-grid{gap:11px}
      .metric{padding:20px 15px}.metric strong{font-size:27px}.feature-band img{height:280px}
      .insight-grid{grid-template-columns:1fr}.scenario-large{min-height:270px}.cta-box{display:block;padding:35px 25px}.cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block;line-height:2}.footer-bottom div:last-child{margin-top:10px}
    }
    @media(max-width:520px){
      body{font-size:15px}.metric-grid,.process-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%}
      .matrix-card{display:block}.matrix-icon{margin-bottom:16px}.data-row{grid-template-columns:105px 1fr 48px;font-size:12px}
      .footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{font-size:11px}
    }