/* roulang page: index */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#ffffff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        *,*:before,*:after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .main-nav a{padding:10px 13px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:108px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
        .hero{position:relative;min-height:620px;background:linear-gradient(90deg,rgba(13,39,78,.9),rgba(13,39,78,.46)),url("/assets/images/backpic/back-1.jpg") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .hero:after{content:"";position:absolute;inset:auto -10% -160px 42%;height:320px;background:rgba(85,199,214,.22);filter:blur(10px);border-radius:50%}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        h1{font-size:clamp(38px,5vw,68px);line-height:1.14;letter-spacing:-.04em;margin:0 0 22px;font-weight:800}
        .hero-copy{font-size:18px;color:rgba(255,255,255,.84);max-width:650px;line-height:1.9;margin:0 0 28px}
        .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.09)}
        .button.light:hover{background:#fff;color:var(--blue)}
        .check-panel{background:rgba(255,255,255,.96);color:var(--ink);border:1px solid rgba(255,255,255,.5);border-radius:26px;padding:28px;box-shadow:0 25px 70px rgba(5,26,59,.28)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
        .panel-top h2{font-size:20px;margin:0}.panel-tag{font-size:12px;color:var(--blue);background:#eaf2ff;border-radius:30px;padding:5px 10px}
        .question{font-weight:700;font-size:15px;margin:0 0 13px}
        .choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
        .choice{border:1px solid var(--line);border-radius:12px;padding:12px;color:var(--muted);font-size:13px;background:#fbfdff}
        .choice.selected{border-color:#80b2ff;background:#edf5ff;color:var(--blue);font-weight:700}
        .result{border-radius:16px;background:linear-gradient(135deg,#edf7ff,#f4fbfa);padding:16px;display:flex;gap:13px;align-items:center}
        .result-icon{width:39px;height:39px;border-radius:12px;background:var(--cyan);color:#fff;display:grid;place-items:center;font-weight:800}
        .result strong{display:block;font-size:14px}.result span{font-size:12px;color:var(--muted)}
        .section{padding:98px 0}.section.soft{background:var(--soft)}.section.blue-band{background:#eff6ff}
        .section-head{max-width:720px;margin-bottom:40px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
        h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-.03em;margin:0 0 15px}
        .section-head p{color:var(--muted);font-size:16px;margin:0}
        .feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .feature-card,.topic-card,.time-card,.person-card,.quote-card,.partner-card,.article-item,.metric-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .feature-card{padding:25px 21px;min-height:218px}.feature-card:hover,.topic-card:hover,.time-card:hover,.person-card:hover,.article-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
        .icon-box{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:#eaf3ff;color:var(--blue);font-weight:800;font-size:18px;margin-bottom:22px}
        .feature-card h3,.topic-card h3,.time-card h3,.person-card h3{font-size:18px;margin:0 0 9px}.feature-card p,.topic-card p,.time-card p,.person-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
        .topic-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:15px}.topic-card{overflow:hidden}.topic-card img{width:100%;height:135px;object-fit:cover}.topic-card div{padding:17px}
        .topic-card h3{font-size:16px}.topic-card p{font-size:12px}
        .metric-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:55px;align-items:center}.metric-layout>p{color:var(--muted);font-size:16px}
        .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.metric-card{padding:22px;background:#fff}.metric-card strong{display:block;color:var(--blue);font-size:32px;line-height:1.2}.metric-card span{font-size:13px;color:var(--muted)}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}.process:before{content:"";position:absolute;top:25px;left:10%;right:10%;height:1px;background:#bfd4ed}
        .step{position:relative;text-align:center;padding:0 16px}.step-no{position:relative;z-index:1;width:50px;height:50px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--blue);border:2px solid #a9c7ee;font-weight:800}.step h3{font-size:17px;margin:0 0 8px}.step p{font-size:13px;color:var(--muted);margin:0}
        .showcase{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}.showcase-image{min-height:350px;border-radius:var(--radius);background:url("/assets/images/backpic/back-4.jpg") center/cover;position:relative;overflow:hidden}.showcase-image:after{content:"久久视频";position:absolute;bottom:25px;left:25px;color:#fff;font-size:30px;font-weight:800}.showcase-copy{background:#152f59;color:#fff;border-radius:var(--radius);padding:38px}.showcase-copy p{color:#c6d5ea}.bullet-list{list-style:none;margin:25px 0 0;padding:0}.bullet-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}.bullet-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:10px}
        .time-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.time-card{padding:23px}.time-label{font-size:12px;color:var(--blue);font-weight:800}.time-card h3{margin-top:12px}.status{display:inline-block;margin-top:17px;padding:5px 10px;border-radius:30px;background:#ebf8f2;color:#21865e;font-size:12px;font-weight:700}
        .people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.person-card{padding:20px;display:flex;gap:17px;align-items:flex-start}.person-card img{width:74px;height:74px;object-fit:cover;border-radius:18px}.person-card h3{margin-top:4px;font-size:16px}.person-card p{font-size:12px}
        .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote-card{padding:25px}.stars{color:var(--gold);letter-spacing:3px;margin-bottom:12px}.quote-card p{color:#53637b;font-size:14px;margin:0 0 17px}.quote-author{font-size:12px;color:var(--muted);font-weight:700}
        .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}.article-list{display:grid;gap:13px}.article-item{display:flex;gap:18px;align-items:center;padding:14px}.article-item img{width:155px;height:100px;object-fit:cover;border-radius:14px}.article-item h3{font-size:17px;margin:5px 0 7px}.article-item p{font-size:13px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-meta{font-size:12px;color:var(--blue)}
        .news-aside{border-radius:var(--radius);padding:30px;background:#eaf4ff}.news-aside h3{font-size:22px;margin:0 0 14px}.news-aside p{font-size:14px;color:var(--muted);margin:0 0 22px}.mini-list{list-style:none;margin:0;padding:0}.mini-list li{padding:12px 0;border-bottom:1px solid #cddff2;font-size:14px}
        .partners{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.partner-card{height:88px;display:grid;place-items:center;color:#71819a;font-weight:800;font-size:15px;background:#fbfdff}.partner-card:hover{color:var(--blue);border-color:#a9c8f1}
        .security{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid #cfe1f5;background:#fff;border-radius:var(--radius);padding:28px 32px}.security h3{margin:0;font-size:22px}.security p{margin:4px 0 0;color:var(--muted);font-size:14px}.security-badges{display:flex;gap:10px;flex-wrap:wrap}.badge{border:1px solid #cfe1f5;border-radius:30px;padding:8px 13px;color:var(--blue);font-size:12px;background:#f5faff}
        .contact-box{background:linear-gradient(120deg,#1a4d9d,#287ed0);border-radius:28px;padding:48px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.contact-box p{color:#d9e8fb}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{border:0;border-radius:11px;padding:12px 14px;background:rgba(255,255,255,.96);color:var(--ink);font-size:13px}.contact-form textarea{min-height:85px;resize:vertical}.contact-form button{border:0;border-radius:11px;background:#f5c35f;color:#17335d;padding:12px;font-weight:800;cursor:pointer}.contact-form button:hover{background:#ffd986}
        footer{background:#102541;color:#dce8f7;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:21px;font-weight:800;margin-bottom:12px}.footer-desc{color:#9eb1ca;font-size:13px;max-width:280px}.footer-col h3{font-size:14px;color:#fff;margin:0 0 15px}.footer-col a{display:block;color:#9eb1ca;font-size:13px;margin:8px 0}.footer-col a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;color:#8298b5;font-size:12px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 8px}.hero-grid{gap:35px}.feature-grid{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(3,1fr)}}
        @media(max-width:768px){.container{width:min(100% - 34px,620px)}.nav-wrap{min-height:68px}.menu-toggle{display:block}.main-nav,.nav-tools{display:none}.nav-wrap.menu-open{flex-wrap:wrap}.nav-wrap.menu-open .main-nav{display:flex;order:5;width:100%;overflow:auto;padding-bottom:12px}.nav-wrap.menu-open .nav-tools{display:flex;margin-left:auto}.search-box{display:none}.hero{min-height:auto;padding:85px 0}.hero-grid,.metric-layout,.showcase,.news-layout,.contact-box{grid-template-columns:1fr}.check-panel{margin-top:10px}.section{padding:68px 0}.process{grid-template-columns:1fr 1fr;gap:32px}.process:before{display:none}.time-grid,.people-grid,.quote-grid{grid-template-columns:1fr}.partners{grid-template-columns:repeat(3,1fr)}.security{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:16px}.choice-grid,.metrics,.topic-grid{grid-template-columns:1fr 1fr}.topic-grid .topic-card:last-child{grid-column:span 2}.article-item{align-items:flex-start}.article-item img{width:105px;height:82px}.article-item h3{font-size:15px}.article-item p{font-size:12px}.partners{grid-template-columns:1fr 1fr}.contact-box{padding:30px 22px}.footer-grid{grid-template-columns:1fr}.brand{font-size:19px}.hero-actions .button{width:100%}}

/* roulang page: category1 */
:root{
    --ink:#14243d;
    --muted:#66758d;
    --blue:#2765d8;
    --blue-deep:#17459d;
    --cyan:#55c7d6;
    --sky:#eef6ff;
    --paper:#ffffff;
    --line:#dce6f2;
    --soft:#f6f9fc;
    --gold:#f2b84b;
    --radius:22px;
    --radius-sm:14px;
    --shadow:0 18px 50px rgba(32,71,121,.10);
    --shadow-hover:0 24px 64px rgba(32,71,121,.18);
    --ease:all .28s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
.container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
.nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
.brand-mark:before{width:14px;height:5px;left:8px;top:12px}
.brand-mark:after{width:10px;height:5px;left:15px;top:21px}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.main-nav a{padding:10px 13px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
.nav-tools{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
.search-box input{width:108px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0}
.search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer;transition:var(--ease)}
.search-box button:hover{background:var(--blue-deep)}
.nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2);transition:var(--ease)}
.nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
.hero{position:relative;overflow:hidden;background:#eff6ff;padding:76px 0 84px}
.hero:before{content:"";position:absolute;left:-7%;top:0;width:58%;height:100%;background:linear-gradient(135deg,#17459d 0%,#2765d8 76%,#55c7d6 100%);clip-path:polygon(0 0,100% 0,78% 100%,0 100%)}
.hero:after{content:"";position:absolute;right:0;top:0;width:47%;height:100%;background:url("/assets/images/backpic/back-3.webp") center/cover;opacity:.27}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.breadcrumb{display:flex;gap:9px;align-items:center;color:rgba(255,255,255,.72);font-size:13px;margin-bottom:28px}
.breadcrumb i{font-size:10px;color:#9ee6ee}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#a9edf3;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:15px}
.eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
h1{font-size:clamp(38px,5vw,62px);line-height:1.17;letter-spacing:-.04em;margin:0 0 21px;color:#fff}
.hero-copy{max-width:610px;margin:0;color:rgba(255,255,255,.88);font-size:17px;line-height:1.95}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.09)}
.button.light:hover{background:#fff;color:var(--blue)}
.hero-panel{position:relative;background:rgba(255,255,255,.96);border:1px solid rgba(255,255,255,.9);padding:29px;border-radius:var(--radius);box-shadow:var(--shadow);margin-top:26px}
.hero-panel:before{content:"";position:absolute;width:72px;height:72px;background:rgba(85,199,214,.22);border-radius:50%;right:-22px;top:-22px}
.panel-tag{position:relative;display:inline-flex;font-size:12px;color:var(--blue);background:#eaf2ff;border-radius:30px;padding:5px 10px;font-weight:700}
.hero-panel h2{position:relative;font-size:23px;line-height:1.45;margin:15px 0 11px}
.hero-panel p{position:relative;color:var(--muted);font-size:14px;margin:0}
.panel-list{list-style:none;margin:19px 0 0;padding:0;position:relative}
.panel-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-top:1px solid var(--line);font-size:13px;color:#4e6079}
.panel-list i{color:var(--blue);font-size:13px}
.section{padding:94px 0}
.section.soft{background:var(--soft)}
.section.blue-band{background:#eff6ff}
.section-head{max-width:720px;margin-bottom:39px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-kicker{display:block;color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:9px}
.section-head h2{font-size:clamp(27px,3vw,39px);line-height:1.3;letter-spacing:-.03em;margin:0 0 13px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.quickbar{position:relative;margin-top:-28px;z-index:2}
.quickbar-inner{display:grid;grid-template-columns:1.1fr repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.quickbar-item{padding:19px 21px;border-right:1px solid var(--line);font-size:14px;color:#53637b}
.quickbar-item:last-child{border:0}
.quickbar-item strong{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}
.quickbar-item i{color:var(--blue);margin-right:8px}
.story-layout{display:grid;grid-template-columns:.96fr 1.04fr;gap:66px;align-items:center}
.story-image{position:relative}
.story-image img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.image-note{position:absolute;bottom:-22px;right:-20px;max-width:250px;border-radius:16px;background:#fff;padding:17px 19px;box-shadow:var(--shadow);border:1px solid var(--line)}
.image-note strong{display:block;color:var(--blue);font-size:27px;line-height:1.1}
.image-note span{font-size:12px;color:var(--muted)}
.story-content h2{font-size:clamp(28px,3vw,40px);line-height:1.35;margin:0 0 18px}
.story-content>p{margin:0;color:var(--muted)}
.bullet-list{list-style:none;margin:24px 0 0;padding:0}
.bullet-list li{position:relative;padding:11px 0 11px 30px;border-bottom:1px solid var(--line);font-size:14px;color:#40526c}
.bullet-list li:before{content:"✓";position:absolute;left:0;top:11px;width:19px;height:19px;border-radius:50%;background:#e7f6f8;color:#168498;line-height:19px;text-align:center;font-size:11px;font-weight:800}
.value-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:19px}
.value-main{min-height:367px;padding:42px;background:linear-gradient(140deg,#17459d,#2765d8);border-radius:var(--radius);color:#fff;position:relative;overflow:hidden}
.value-main:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-80px;bottom:-112px;border:45px solid rgba(85,199,214,.23)}
.value-main h2{position:relative;z-index:1;font-size:35px;line-height:1.35;margin:0 0 15px}
.value-main p{position:relative;z-index:1;max-width:490px;color:rgba(255,255,255,.8);margin:0}
.value-stat{display:flex;gap:32px;position:relative;z-index:1;margin-top:42px}
.value-stat strong{display:block;font-size:31px;line-height:1.1;color:#fff}
.value-stat span{font-size:13px;color:rgba(255,255,255,.68)}
.value-side{display:grid;gap:19px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:var(--ease)}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.value-card i{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:13px;background:#eaf2ff;color:var(--blue);font-size:18px;margin-bottom:15px}
.value-card h3{font-size:18px;margin:0 0 7px}
.value-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.scene-card img{width:100%;height:168px;object-fit:cover}
.scene-copy{padding:19px}
.scene-num{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--blue)}
.scene-card h3{font-size:18px;margin:7px 0 8px}
.scene-card p{font-size:13px;color:var(--muted);margin:0}
.process-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:54px;align-items:start}
.process-intro{position:sticky;top:110px}
.process-intro h2{font-size:38px;line-height:1.3;margin:0 0 15px}
.process-intro p{color:var(--muted);margin:0}
.process-list{display:grid;gap:14px}
.process-item{display:grid;grid-template-columns:76px 1fr;gap:20px;padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px;transition:var(--ease)}
.process-item:hover{border-color:#b9cef4;box-shadow:var(--shadow)}
.step-num{width:51px;height:51px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:#edf4ff;color:var(--blue);font-weight:800;font-size:17px}
.process-item h3{font-size:18px;margin:0 0 5px}
.process-item p{font-size:14px;color:var(--muted);margin:0}
.matrix-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.matrix-card{border-radius:17px;background:#fff;border:1px solid var(--line);padding:20px 17px;min-height:170px;transition:var(--ease)}
.matrix-card:hover{background:#f2f7ff;border-color:#bad0f7;transform:translateY(-4px)}
.matrix-card i{font-size:19px;color:var(--blue);margin-bottom:17px}
.matrix-card h3{font-size:16px;line-height:1.4;margin:0 0 6px}
.matrix-card p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
.quote-band{padding:0 0 94px}
.quote-box{border-radius:var(--radius);background:#142f61 url("/assets/images/backpic/back-6.webp") center/cover;overflow:hidden;position:relative;color:#fff;padding:57px 63px}
.quote-box:before{content:"";position:absolute;inset:0;background:rgba(16,44,94,.86)}
.quote-content{position:relative;z-index:1;max-width:795px}
.quote-mark{font-size:51px;line-height:.7;color:#78d7e2;font-family:Georgia,serif}
.quote-box blockquote{font-size:25px;line-height:1.65;margin:14px 0 17px;font-weight:600}
.quote-box cite{font-style:normal;color:rgba(255,255,255,.72);font-size:14px}
.faq-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:57px}
.faq-intro h2{font-size:39px;line-height:1.3;margin:0 0 15px}
.faq-intro p{color:var(--muted);margin:0}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
.faq-item summary{list-style:none;position:relative;padding:20px 54px 20px 21px;font-weight:700;font-size:16px;cursor:pointer}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:20px;top:16px;color:var(--blue);font-size:25px;font-weight:400;transition:var(--ease)}
.faq-item[open] summary{color:var(--blue)}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 21px 20px;margin:0;color:var(--muted);font-size:14px}
.contact-section{padding:0 0 98px}
.contact-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:43px 48px;border-radius:var(--radius);background:#eaf4ff;border:1px solid #d5e6ff}
.contact-box h2{font-size:31px;line-height:1.35;margin:0 0 9px}
.contact-box p{margin:0;color:var(--muted)}
footer{background:#102848;color:#d7e2f1;padding:66px 0 21px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand{font-size:23px;color:#fff;font-weight:800;margin-bottom:12px}
.footer-desc{max-width:310px;font-size:14px;line-height:1.9;color:#aebfd5;margin:0}
.footer-col h3{font-size:15px;color:#fff;margin:0 0 14px}
.footer-col a{display:block;width:max-content;max-width:100%;font-size:13px;color:#afc0d4;margin:8px 0}
.footer-col a:hover{color:#82dce5;transform:translateX(3px)}
.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:46px;padding-top:19px;color:#91a7c1;font-size:12px}
@media(max-width:1100px){
    .nav-wrap{gap:16px}
    .main-nav a{padding:9px 8px;font-size:13px}
    .search-box{display:none}
    .scene-grid{grid-template-columns:repeat(2,1fr)}
    .matrix-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:860px){
    .nav-wrap{min-height:70px;flex-wrap:wrap;padding:12px 0}
    .menu-toggle{display:block;margin-left:auto}
    .main-nav{order:3;width:100%;display:none;overflow-x:auto;margin:0;padding-bottom:3px}
    .main-nav.is-open{display:flex}
    .nav-tools{display:none}
    .main-nav a{font-size:14px}
    .hero{padding:55px 0 64px}
    .hero:before{width:100%;clip-path:none}
    .hero:after{display:none}
    .hero-grid,.story-layout,.process-wrap,.faq-layout{grid-template-columns:1fr;gap:35px}
    .hero-panel{margin-top:0}
    .quickbar-inner{grid-template-columns:repeat(2,1fr)}
    .quickbar-item:nth-child(2){border-right:0}
    .quickbar-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
    .story-image{max-width:620px}
    .process-intro{position:static}
    .value-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    .footer-grid>div:first-child{grid-column:1/-1}
}
@media(max-width:520px){
    body{font-size:15px}
    .container{width:min(100% - 32px,1180px)}
    .brand{font-size:20px}
    .brand-mark{width:33px;height:33px}
    .section{padding:68px 0}
    .hero{padding:45px 0 57px}
    h1{font-size:38px}
    .hero-copy{font-size:15px}
    .hero-actions,.contact-box{align-items:stretch}
    .hero-actions .button{width:100%}
    .quickbar{margin-top:-20px}
    .quickbar-inner{grid-template-columns:1fr}
    .quickbar-item,.quickbar-item:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}
    .quickbar-item:last-child{border-bottom:0}
    .story-image img{height:300px}
    .image-note{right:10px;bottom:-16px}
    .value-main{padding:31px 25px}
    .value-main h2{font-size:29px}
    .value-stat{gap:21px}
    .scene-grid,.matrix-grid{grid-template-columns:1fr}
    .process-item{grid-template-columns:54px 1fr;padding:20px 17px;gap:13px}
    .quote-box{padding:39px 26px}
    .quote-box blockquote{font-size:20px}
    .contact-box{grid-template-columns:1fr;padding:31px 25px}
    .contact-box .button{width:100%}
    .footer-grid{grid-template-columns:1fr 1fr;gap:27px 20px}
    .footer-grid>div:first-child{grid-column:1/-1}
    .footer-col:last-child{grid-column:1/-1}
}

/* roulang page: category2 */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#fff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        html{scroll-behavior:smooth}
        *{box-sizing:border-box}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
        .main-nav a{padding:10px 12px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:104px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0;box-shadow:none;margin:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
        .hero{position:relative;min-height:555px;background:linear-gradient(90deg,rgba(13,39,78,.91),rgba(13,39,78,.48)),url("/assets/images/backpic/back-2.jpg") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .hero:after{content:"";position:absolute;right:-8%;bottom:-150px;width:480px;height:340px;border-radius:50%;background:rgba(85,199,214,.2);filter:blur(12px)}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:65px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.12em;margin-bottom:17px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-.04em;margin:0 0 20px;color:#fff}
        h2{font-size:clamp(27px,3vw,40px);line-height:1.25;letter-spacing:-.025em;margin:0 0 13px}
        h3{line-height:1.35}
        .hero-copy{font-size:18px;color:rgba(255,255,255,.84);max-width:620px;line-height:1.9;margin:0 0 28px}
        .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.1)}
        .button.light:hover{background:#fff;color:var(--blue)}
        .hero-card{background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.5);border-radius:26px;padding:15px;color:var(--ink);box-shadow:0 25px 70px rgba(3,22,55,.25);transform:rotate(2deg)}
        .hero-card img{height:245px;width:100%;object-fit:cover;border-radius:17px}
        .hero-card-body{padding:17px 7px 4px}
        .hero-card-body strong{display:block;font-size:22px}
        .hero-card-body span{font-size:13px;color:var(--muted)}
        .panel-row{display:flex;gap:10px;margin-top:15px}
        .panel-chip{flex:1;padding:10px 12px;border-radius:12px;background:#edf4ff;color:var(--blue);font-size:12px;font-weight:700}
        .section{padding:92px 0}
        .section.soft{background:var(--soft)}
        .section.blue-band{background:#eff6ff}
        .section-head{max-width:720px;margin-bottom:38px}
        .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
        .section-head p{color:var(--muted);font-size:16px;margin:0}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:8px}
        .service-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
        .service-intro{padding:30px;border-radius:var(--radius);background:var(--blue);color:#fff;box-shadow:var(--shadow)}
        .service-intro p{color:rgba(255,255,255,.8);margin:0}
        .service-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .service-item,.scene-card,.metric-card,.proof-card,.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:var(--ease)}
        .service-item{padding:23px}
        .service-item:hover,.scene-card:hover,.proof-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
        .icon{width:42px;height:42px;border-radius:13px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center;font-weight:800;margin-bottom:16px}
        .service-item h3,.scene-card h3,.proof-card h3{font-size:18px;margin:0 0 7px}
        .service-item p,.scene-card p,.proof-card p{font-size:13px;color:var(--muted);margin:0}
        .metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
        .metric-card{padding:24px}
        .metric-card strong{display:block;color:var(--blue);font-size:32px;line-height:1.25}
        .metric-card span{font-size:13px;color:var(--muted)}
        .scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .scene-card{overflow:hidden}
        .scene-card img{width:100%;height:170px;object-fit:cover}
        .scene-card div{padding:20px}
        .process{display:grid;grid-template-columns:1fr 1.4fr;gap:55px;align-items:center}
        .process-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
        .process-image img{width:100%;height:390px;object-fit:cover}
        .steps{display:grid;gap:14px}
        .step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:17px 0;border-bottom:1px solid var(--line)}
        .step-num{width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}
        .step h3{font-size:17px;margin:0 0 4px}
        .step p{font-size:13px;color:var(--muted);margin:0}
        .proof-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
        .proof-card{padding:25px}
        .proof-card.featured{background:#142e55;color:#fff}
        .proof-card.featured p{color:rgba(255,255,255,.74)}
        .proof-card blockquote{font-size:20px;line-height:1.65;margin:0 0 18px}
        .proof-card cite{font-size:13px;color:var(--cyan);font-style:normal}
        .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
        .faq-item{padding:20px 22px}
        .faq-item summary{cursor:pointer;font-weight:700;list-style:none;padding-right:20px;position:relative}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--blue)}
        .faq-item[open] summary:after{content:"－"}
        .faq-item p{font-size:13px;color:var(--muted);margin:12px 0 0}
        .cta{padding:72px 0;background:linear-gradient(105deg,#1d55b5,#2765d8);color:#fff}
        .cta-wrap{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{margin-bottom:8px;color:#fff}
        .cta p{margin:0;color:rgba(255,255,255,.78)}
        .cta .button{background:#fff;color:var(--blue)}
        .cta .button:hover{background:#dff8fb;color:var(--blue-deep)}
        footer{background:#10213b;color:#fff;padding:58px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:23px;font-weight:800;margin-bottom:10px}
        .footer-desc{color:#aebed3;font-size:13px;max-width:280px;margin:0}
        .footer-col h3{font-size:14px;margin:0 0 14px;color:#fff}
        .footer-col a{display:block;color:#aebed3;font-size:13px;margin:7px 0}
        .footer-col a:hover{color:#65d3df}
        .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;color:#8497b1;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:0}.main-nav a{padding:9px 8px;font-size:13px}.nav-wrap{gap:15px}
            .hero-grid{gap:35px}.section{padding:75px 0}.topic-grid{grid-template-columns:repeat(3,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{min-height:68px;flex-wrap:wrap}
            .brand{font-size:20px}.menu-toggle{display:block;margin-left:auto}
            .main-nav{display:none;order:3;width:100%;overflow-x:auto;padding:8px 0 12px;border-top:1px solid var(--line)}
            .main-nav.open{display:flex}
            .nav-tools{display:none}
            .hero{min-height:700px;padding:70px 0}
            .hero-grid,.service-layout,.process,.proof-grid{grid-template-columns:1fr}
            .hero-card{max-width:480px;margin:10px auto 0;transform:none}
            .metric-row{grid-template-columns:1fr 1fr}
            .scene-grid{grid-template-columns:1fr 1fr}
            .cta-wrap{display:block}.cta .button{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .hero{min-height:720px}.hero-copy{font-size:16px}.hero-actions .button{width:100%}
            .service-list,.scene-grid,.faq-list{grid-template-columns:1fr}
            .metric-card strong{font-size:27px}.section{padding:62px 0}
            .process-image img{height:270px}.footer-grid{grid-template-columns:1fr;gap:25px}
            .search-box{display:none}
        }

/* roulang page: category4 */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#fff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:30px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .main-nav a{padding:10px 13px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:108px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0;margin:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
        .hero{position:relative;min-height:430px;background:linear-gradient(90deg,rgba(13,39,78,.9),rgba(13,39,78,.48)),url("/assets/images/backpic/back-4.jpg") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .hero:after{content:"";position:absolute;right:-8%;bottom:-170px;width:560px;height:330px;background:rgba(85,199,214,.2);filter:blur(8px);border-radius:50%}
        .hero-inner{position:relative;z-index:1;padding:72px 0}
        .crumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
        .crumb a:hover{color:#fff}
        h1{font-size:clamp(36px,5vw,64px);line-height:1.15;letter-spacing:-.04em;margin:0 0 20px;font-weight:800}
        .hero-copy{max-width:700px;font-size:18px;line-height:1.9;color:rgba(255,255,255,.84);margin:0 0 28px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:16px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.09)}
        .button.light:hover{background:#fff;color:var(--blue)}
        .section{padding:88px 0}
        .section.soft{background:var(--soft)}
        .section.blue-band{background:var(--sky)}
        .section-head{max-width:720px;margin-bottom:38px}
        .section-head.center{text-align:center;margin-left:auto;margin-right:auto}
        h2{font-size:clamp(27px,3.5vw,42px);line-height:1.25;letter-spacing:-.03em;margin:0 0 13px}
        .section-head p{color:var(--muted);font-size:16px;margin:0}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:10px}
        .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch}
        .intro-panel{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
        .intro-panel p{color:var(--muted);margin:0}
        .signal-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0;padding:0;list-style:none}
        .signal-list li{padding:18px;border-radius:var(--radius-sm);background:#f3f8ff;border:1px solid #e0ecfb}
        .signal-list strong{display:block;font-size:25px;color:var(--blue);line-height:1.2}
        .signal-list span{font-size:13px;color:var(--muted)}
        .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
        .service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
        .service-card img{height:170px;width:100%;object-fit:cover}
        .service-card-body{padding:23px}
        .service-card h3{font-size:20px;margin:0 0 8px}
        .service-card p{font-size:14px;color:var(--muted);margin:0}
        .tag{display:inline-block;color:var(--blue);background:#eaf2ff;border-radius:30px;padding:5px 10px;font-size:12px;font-weight:700;margin-bottom:14px}
        .scene-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:center}
        .scene-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
        .scene-image img{width:100%;height:390px;object-fit:cover}
        .scene-items{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .scene-item{padding:22px;border-left:3px solid var(--cyan);background:#fff;border-radius:0 var(--radius-sm) var(--radius-sm) 0;box-shadow:0 8px 25px rgba(32,71,121,.06)}
        .scene-item h3{font-size:17px;margin:0 0 5px}
        .scene-item p{font-size:13px;color:var(--muted);margin:0}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .process-step{position:relative;padding:28px 22px 10px;border-right:1px solid var(--line)}
        .process-step:last-child{border-right:0}
        .process-step b{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--blue);color:#fff;font-size:14px;margin-bottom:18px}
        .process-step h3{font-size:18px;margin:0 0 7px}
        .process-step p{font-size:13px;color:var(--muted);margin:0}
        .work-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
        .work-card{position:relative;min-height:250px;border-radius:var(--radius);overflow:hidden;color:#fff;background:#183860}
        .work-card.large{min-height:360px}
        .work-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
        .work-card:hover img{transform:scale(1.05)}
        .work-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(8,25,54,.9))}
        .work-text{position:absolute;z-index:1;left:25px;right:25px;bottom:22px}
        .work-text h3{margin:0 0 5px;font-size:21px}
        .work-text p{margin:0;color:rgba(255,255,255,.78);font-size:13px}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
        .faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;padding:21px 23px}
        .faq-item h3{font-size:16px;margin:0 0 8px}
        .faq-item p{font-size:13px;color:var(--muted);margin:0}
        .cta{padding:64px 0;background:var(--blue-deep);color:#fff}
        .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
        .cta h2{margin-bottom:8px}
        .cta p{color:rgba(255,255,255,.76);margin:0}
        footer{background:#10213b;color:#fff;padding:58px 0 24px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}
        .footer-brand{font-size:22px;font-weight:800;margin-bottom:12px}
        .footer-desc{color:#aebbd0;font-size:13px;max-width:270px;margin:0}
        .footer-col h3{font-size:14px;color:#fff;margin:0 0 14px}
        .footer-col a{display:block;color:#aebbd0;font-size:13px;margin:8px 0}
        .footer-col a:hover{color:#fff;transform:translateX(3px)}
        .copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;color:#8192aa;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:0}.main-nav a{padding:9px 8px}
            .nav-wrap{gap:16px}.nav-tools .search-box{display:none}
            .service-grid{grid-template-columns:repeat(3,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .nav-wrap{min-height:68px}.brand{font-size:19px}.main-nav{display:none}
            .nav-tools{margin-left:auto}.menu-toggle{display:block}
            .nav-cta{padding:10px 13px;font-size:13px}
            .hero{min-height:470px}.hero-inner{padding:62px 0}
            .hero-copy{font-size:16px}
            .intro-grid,.scene-layout,.work-grid{grid-template-columns:1fr}
            .service-grid{grid-template-columns:1fr 1fr}
            .scene-image img{height:280px}
            .process{grid-template-columns:1fr 1fr;border-top:0}
            .process-step{border-top:1px solid var(--line);border-right:1px solid var(--line)}
            .faq-grid{grid-template-columns:1fr}
            .cta-inner{display:block}.cta .button{margin-top:24px}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            .container{width:calc(100% - 30px)}
            .nav-cta{display:none}.hero{min-height:500px}
            h1{font-size:38px}.section{padding:65px 0}
            .intro-panel{padding:24px}.signal-list,.scene-items,.service-grid{grid-template-columns:1fr}
            .service-card img{height:190px}.process{grid-template-columns:1fr}
            .process-step{border-right:0}.work-card.large{min-height:280px}
            .footer-grid{grid-template-columns:1fr;gap:24px}
        }

/* roulang page: category3 */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#ffffff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:26px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
        .main-nav a{padding:10px 12px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:100px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
        .hero{position:relative;min-height:570px;background:linear-gradient(90deg,rgba(13,39,78,.92),rgba(13,39,78,.52)),url("/assets/images/backpic/back-3.webp") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .hero:after{content:"";position:absolute;right:-8%;bottom:-180px;width:520px;height:420px;background:rgba(85,199,214,.22);filter:blur(12px);border-radius:50%}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        h1{font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-.04em;margin:0 0 22px}
        h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;margin:0 0 15px}
        .hero-copy{font-size:18px;color:rgba(255,255,255,.84);max-width:650px;line-height:1.9;margin:0 0 28px}
        .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.09)}
        .button.light:hover{background:#fff;color:var(--blue)}
        .live-panel{background:rgba(255,255,255,.96);color:var(--ink);border-radius:24px;padding:27px;box-shadow:0 24px 60px rgba(0,0,0,.18)}
        .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}
        .panel-top strong{font-size:18px}.panel-tag{font-size:12px;color:var(--blue);background:#eaf2ff;border-radius:30px;padding:5px 10px}
        .signal{display:grid;grid-template-columns:145px 1fr;gap:23px;align-items:center}
        .progress-ring{width:132px;height:132px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) 0 78%,#e7eef7 78% 100%);position:relative}
        .progress-ring:after{content:"";position:absolute;inset:12px;background:#fff;border-radius:50%}
        .progress-ring span{position:relative;z-index:1;text-align:center;color:var(--blue);font-size:26px;font-weight:800;line-height:1.2}
        .progress-ring small{display:block;color:var(--muted);font-size:11px;font-weight:400}
        .tier-list{display:grid;gap:10px}.tier{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;background:var(--soft);border-radius:12px;font-size:13px}.tier b{color:var(--blue)}
        .section{padding:92px 0}.section.soft{background:var(--soft)}.section.blue-band{background:#eff6ff}
        .section-head{max-width:720px;margin-bottom:38px}.section-head p{color:var(--muted);font-size:16px;margin:0}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:10px}
        .intro-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:start}
        .intro-layout img{border-radius:var(--radius);width:100%;height:330px;object-fit:cover;box-shadow:var(--shadow)}
        .check-list{list-style:none;margin:4px 0 0;padding:0}.check-list li{position:relative;padding:15px 0 15px 31px;border-bottom:1px solid var(--line);color:#43546d}.check-list li:before{content:"✓";position:absolute;left:0;top:15px;color:var(--blue);font-weight:800}
        .scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
        .scene-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:var(--ease)}
        .scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
        .scene-card img{height:150px;width:100%;object-fit:cover}.scene-card div{padding:20px}.scene-card h3{font-size:18px;margin:0 0 8px}.scene-card p{font-size:13px;color:var(--muted);margin:0}
        .service-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px}
        .service-card{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:#fff;min-height:190px}.service-card.dark{background:var(--ink);color:#fff;border-color:var(--ink)}.service-card h3{margin:0 0 10px;font-size:21px}.service-card p{margin:0;color:var(--muted);font-size:14px}.service-card.dark p{color:#c2cede}
        .number{color:var(--cyan);font-weight:800;font-size:14px;letter-spacing:.1em;margin-bottom:23px}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .process-item{padding:27px 25px 10px 0;border-right:1px solid var(--line);margin-right:25px}.process-item:last-child{border:0;margin:0}.process-item strong{display:block;font-size:18px;margin-bottom:8px}.process-item p{color:var(--muted);font-size:13px;margin:0}
        .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.metric-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.metric-card strong{display:block;color:var(--blue);font-size:34px;line-height:1.2}.metric-card span{font-size:13px;color:var(--muted)}
        .faq-list{max-width:850px;margin:0 auto}.faq-item{border-bottom:1px solid var(--line);padding:20px 0}.faq-item summary{cursor:pointer;font-size:17px;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-item summary:after{content:"+";color:var(--blue);font-size:23px}.faq-item[open] summary:after{content:"−"}.faq-item p{color:var(--muted);font-size:14px;margin:13px 35px 0 0}
        .cta{padding:68px 0;background:var(--blue-deep);color:#fff}.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{margin-bottom:10px}.cta p{color:rgba(255,255,255,.76);margin:0}
        footer{background:#101d32;color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer-brand{font-size:23px;font-weight:800;margin-bottom:12px}.footer-desc{color:#9eacc0;font-size:14px;max-width:270px;margin:0}.footer-col h3{font-size:14px;color:#fff;margin:3px 0 14px}.footer-col a{display:block;color:#9eacc0;font-size:13px;margin:8px 0}.footer-col a:hover{color:var(--cyan)}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:20px;color:#8493a8;font-size:12px}
        @media(max-width:1024px){.main-nav{gap:0}.main-nav a{padding:9px 8px}.hero-grid{gap:35px}.scene-grid{grid-template-columns:repeat(2,1fr)}}
        @media(max-width:768px){.container{width:min(100% - 34px,600px)}.nav-wrap{min-height:68px}.main-nav,.nav-tools{display:none}.menu-toggle{display:block;margin-left:auto}.hero{min-height:680px}.hero-grid,.intro-layout,.service-layout{grid-template-columns:1fr}.hero-grid{gap:38px}.hero-copy{font-size:16px}.live-panel{padding:21px}.section{padding:68px 0}.process{grid-template-columns:1fr 1fr;gap:20px;border-top:0}.process-item{border-right:0;border-top:1px solid var(--line);padding-top:20px;margin:0}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:520px){h1{font-size:40px}.scene-grid,.metrics{grid-template-columns:1fr}.signal{grid-template-columns:1fr}.progress-ring{margin:auto}.hero-actions .button{width:100%}.cta-box{display:block}.cta .button{margin-top:24px}.footer-grid{grid-template-columns:1fr;gap:25px}.search-box input{width:75px}}

/* roulang page: article */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#fff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
        .main-nav a{padding:10px 12px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:104px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0;margin:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue)}
        .article-hero{position:relative;min-height:390px;background:linear-gradient(90deg,rgba(13,39,78,.92),rgba(13,39,78,.48)),url("/assets/images/backpic/back-2.jpg") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .article-hero:after{content:"";position:absolute;right:-90px;bottom:-150px;width:430px;height:430px;border:1px solid rgba(150,230,239,.3);border-radius:50%;box-shadow:0 0 0 28px rgba(85,199,214,.07),0 0 0 58px rgba(85,199,214,.04)}
        .hero-content{position:relative;z-index:1;max-width:850px;padding:54px 0}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:14px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-.035em;margin:0 0 20px;color:#fff;font-weight:800}
        .hero-summary{font-size:18px;line-height:1.9;color:rgba(255,255,255,.85);max-width:760px;margin:0}
        .crumbs{font-size:13px;color:rgba(255,255,255,.67);margin-bottom:24px}
        .crumbs a:hover{color:#fff}
        .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start;padding:86px 0}
        .article-main{min-width:0}
        .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px;padding-bottom:22px;border-bottom:1px solid var(--line)}
        .category-badge,.label{display:inline-flex;align-items:center;border-radius:30px;padding:5px 12px;background:#eaf2ff;color:var(--blue);font-size:12px;font-weight:700}
        .article-content{font-size:17px;line-height:2;color:#34445c;padding-top:30px}
        .article-content h2{font-size:29px;line-height:1.35;color:var(--ink);margin:42px 0 14px}
        .article-content h3{font-size:21px;color:var(--ink);margin:30px 0 10px}
        .article-content p{margin:0 0 22px}
        .article-content img{border-radius:var(--radius);margin:28px 0;box-shadow:var(--shadow)}
        .article-content ul,.article-content ol{padding-left:24px;margin:18px 0 26px}
        .article-content li{margin:8px 0}
        .article-content blockquote{margin:32px 0;padding:25px 28px;border-left:4px solid var(--cyan);background:var(--sky);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--blue-deep);font-size:20px;font-weight:700;line-height:1.7}
        .article-aside{position:sticky;top:24px}
        .aside-card{border:1px solid var(--line);background:#fff;border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);margin-bottom:18px}
        .aside-card h2{font-size:18px;margin:0 0 17px}
        .aside-card p{font-size:14px;color:var(--muted);margin:0}
        .aside-list{list-style:none;padding:0;margin:0}
        .aside-list li{border-bottom:1px solid var(--line);padding:12px 0;font-size:14px;color:var(--muted)}
        .aside-list li:last-child{border-bottom:0;padding-bottom:0}
        .aside-list strong{display:block;color:var(--blue);font-size:23px;line-height:1.2;margin-bottom:2px}
        .visual-break{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch;margin:0 0 86px}
        .visual-break figure{margin:0;min-height:270px;overflow:hidden;border-radius:var(--radius);position:relative}
        .visual-break img{width:100%;height:100%;object-fit:cover}
        .visual-caption{background:var(--ink);border-radius:var(--radius);padding:35px;color:#fff;display:flex;flex-direction:column;justify-content:center}
        .visual-caption span{color:var(--cyan);font-size:13px;font-weight:700;letter-spacing:.12em}
        .visual-caption h2{font-size:27px;line-height:1.4;margin:14px 0}
        .visual-caption p{margin:0;color:rgba(255,255,255,.73);font-size:14px}
        .faq-section{background:var(--soft);padding:82px 0}
        .section-head{max-width:720px;margin-bottom:34px}
        .section-head h2{font-size:34px;line-height:1.35;margin:0 0 10px}
        .section-head p{color:var(--muted);margin:0}
        .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
        .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:21px 24px}
        .faq-item h3{font-size:17px;margin:0 0 8px}
        .faq-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
        .cta-section{padding:76px 0;background:#eff6ff}
        .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:38px 44px;background:linear-gradient(110deg,var(--blue-deep),var(--blue));color:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}
        .cta-panel h2{font-size:30px;line-height:1.35;margin:0 0 8px}
        .cta-panel p{margin:0;color:rgba(255,255,255,.78)}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:12px;padding:12px 20px;font-weight:700;background:rgba(255,255,255,.09);white-space:nowrap}
        .button.light:hover{background:#fff;color:var(--blue)}
        .empty-state{border:1px solid var(--line);background:var(--soft);border-radius:var(--radius);padding:70px 25px;text-align:center;color:var(--muted)}
        .empty-state h2{color:var(--ink);margin:0 0 12px}
        footer{background:#10213a;color:#fff;padding:58px 0 25px}
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px}
        .footer-brand{font-size:22px;font-weight:800;margin-bottom:10px}
        .footer-desc{color:rgba(255,255,255,.62);font-size:14px;max-width:280px;margin:0}
        .footer-col h3{font-size:14px;margin:0 0 14px;color:#fff}
        .footer-col a{display:block;color:rgba(255,255,255,.62);font-size:13px;margin:8px 0}
        .footer-col a:hover{color:var(--cyan)}
        .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;color:rgba(255,255,255,.48);font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:0}
            .main-nav a{padding:9px 8px;font-size:13px}
            .nav-wrap{gap:15px}
            .article-layout{gap:25px}
        }
        @media(max-width:768px){
            .container{width:min(100% - 32px,620px)}
            .nav-wrap{min-height:68px}
            .brand{font-size:19px}
            .menu-toggle{display:block;margin-left:auto}
            .main-nav{display:none;position:absolute;left:16px;right:16px;top:76px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}
            .main-nav a{padding:12px 14px}
            .nav-tools{display:none}
            .article-hero{min-height:410px}
            .article-layout{display:block;padding:58px 0}
            .article-aside{position:static;margin-top:42px}
            .visual-break{grid-template-columns:1fr;margin-bottom:58px}
            .visual-break figure{min-height:220px}
            .faq-grid{grid-template-columns:1fr}
            .cta-panel{display:block;padding:30px}
            .cta-panel .button{margin-top:22px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
        }
        @media(max-width:520px){
            .hero-content{padding:44px 0}
            h1{font-size:35px}
            .hero-summary{font-size:16px}
            .article-content{font-size:16px}
            .article-content h2{font-size:25px}
            .section-head h2{font-size:28px}
            .footer-grid{grid-template-columns:1fr}
        }

/* roulang page: category5 */
:root{
            --ink:#14243d;
            --muted:#66758d;
            --blue:#2765d8;
            --blue-deep:#17459d;
            --cyan:#55c7d6;
            --sky:#eef6ff;
            --paper:#fff;
            --line:#dce6f2;
            --soft:#f6f9fc;
            --gold:#f2b84b;
            --radius:22px;
            --radius-sm:14px;
            --shadow:0 18px 50px rgba(32,71,121,.10);
            --shadow-hover:0 24px 64px rgba(32,71,121,.18);
            --ease:all .28s ease;
        }
        *{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.75}
        a{color:inherit;text-decoration:none;transition:var(--ease)}
        img{display:block;max-width:100%;height:auto}
        button,input{font:inherit}
        button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(39,101,216,.3);outline-offset:3px}
        .container{width:min(1180px,calc(100% - 48px));margin:0 auto}
        .site-header{position:relative;z-index:10;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);box-shadow:0 5px 20px rgba(20,50,90,.04)}
        .nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
        .brand{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
        .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--cyan));position:relative;box-shadow:0 8px 18px rgba(39,101,216,.24)}
        .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px;transform:rotate(-25deg)}
        .brand-mark:before{width:14px;height:5px;left:8px;top:12px}
        .brand-mark:after{width:10px;height:5px;left:15px;top:21px}
        .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
        .main-nav a{padding:10px 12px;border-radius:10px;color:#55647b;font-size:14px;font-weight:600}
        .main-nav a:hover,.main-nav a.active{color:var(--blue);background:#edf4ff}
        .nav-tools{display:flex;align-items:center;gap:10px}
        .search-box{display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:30px;padding:4px 6px 4px 14px}
        .search-box input{width:105px;border:0;background:transparent;color:var(--ink);font-size:13px;outline:0}
        .search-box button{border:0;border-radius:50%;width:30px;height:30px;background:var(--blue);color:#fff;cursor:pointer}
        .nav-cta,.button.primary{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 8px 18px rgba(39,101,216,.2)}
        .nav-cta:hover,.button.primary:hover{background:var(--blue-deep);color:#fff;transform:translateY(-2px)}
        .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;color:var(--blue);cursor:pointer}
        .hero{position:relative;min-height:570px;background:linear-gradient(90deg,rgba(13,39,78,.92),rgba(13,39,78,.46)),url("/assets/images/backpic/back-5.jpg") center/cover;display:flex;align-items:center;color:#fff;overflow:hidden}
        .hero:after{content:"";position:absolute;right:-8%;bottom:-160px;width:520px;height:360px;background:rgba(85,199,214,.24);filter:blur(12px);border-radius:50%}
        .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#9ee6ee;font-size:13px;font-weight:700;letter-spacing:.14em;margin-bottom:18px}
        .eyebrow:before{content:"";width:25px;height:2px;background:var(--cyan)}
        h1{font-size:clamp(40px,5vw,68px);line-height:1.16;letter-spacing:-.04em;margin:0 0 22px;font-weight:800}
        h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;margin:0 0 14px}
        h3{line-height:1.35}
        .hero-copy{font-size:18px;color:rgba(255,255,255,.84);max-width:630px;line-height:1.9;margin:0 0 28px}
        .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
        .button.light{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.38);color:#fff;border-radius:12px;padding:11px 18px;font-weight:700;background:rgba(255,255,255,.09)}
        .button.light:hover{background:#fff;color:var(--blue)}
        .play-card{min-height:315px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius);background:rgba(255,255,255,.12);backdrop-filter:blur(10px);padding:24px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 20px 60px rgba(0,0,0,.16)}
        .play-card img{width:100%;height:180px;object-fit:cover;border-radius:15px;opacity:.86}
        .play-line{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:18px}
        .play-button{width:52px;height:52px;border:0;border-radius:50%;background:var(--cyan);color:#10365b;font-size:21px;cursor:pointer;box-shadow:0 8px 20px rgba(0,0,0,.18)}
        .play-button:hover{transform:scale(1.06);background:#fff}
        .play-card small{color:rgba(255,255,255,.72)}
        .section{padding:92px 0}
        .section.soft{background:var(--soft)}
        .section.blue-band{background:var(--sky)}
        .section-head{max-width:720px;margin-bottom:38px}
        .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
        .section-head p{color:var(--muted);font-size:16px;margin:0}
        .kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin-bottom:10px}
        .summary-strip{margin-top:-38px;position:relative;z-index:2}
        .summary-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
        .summary-item{padding:25px 22px;border-right:1px solid var(--line)}
        .summary-item:last-child{border-right:0}
        .summary-item strong{display:block;font-size:27px;color:var(--blue);line-height:1.2;margin-bottom:5px}
        .summary-item span{font-size:13px;color:var(--muted)}
        .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
        .feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 23px;min-height:205px;transition:var(--ease)}
        .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
        .icon-box{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eaf2ff;color:var(--blue);font-weight:800;margin-bottom:17px}
        .feature-card h3{font-size:19px;margin:0 0 9px}
        .feature-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
        .story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
        .story-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}
        .story-image img{width:100%;height:390px;object-fit:cover}
        .story-note{position:absolute;left:20px;bottom:20px;background:#fff;border-radius:14px;padding:13px 17px;box-shadow:var(--shadow);font-size:13px;color:var(--blue);font-weight:700}
        .check-list{list-style:none;margin:22px 0 28px;padding:0}
        .check-list li{padding:12px 0;border-bottom:1px solid var(--line);color:var(--muted)}
        .check-list li:before{content:"✓";color:var(--blue);font-weight:800;margin-right:12px}
        .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}
        .scenario{display:flex;gap:18px;align-items:flex-start;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);transition:var(--ease)}
        .scenario:hover{border-color:#a9c7f2;box-shadow:var(--shadow)}
        .scenario img{width:104px;height:92px;object-fit:cover;border-radius:12px}
        .scenario h3{font-size:17px;margin:0 0 6px}
        .scenario p{font-size:13px;color:var(--muted);margin:0}
        .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
        .process-step{padding:26px 24px 10px;border-right:1px solid var(--line);position:relative}
        .process-step:last-child{border-right:0}
        .process-step b{display:block;color:var(--blue);font-size:13px;margin-bottom:16px}
        .process-step h3{font-size:18px;margin:0 0 8px}
        .process-step p{font-size:13px;color:var(--muted);margin:0}
        .quote-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
        .quote-mark{font-size:76px;color:var(--cyan);line-height:.8;font-weight:800}
        .quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
        .quote-card p{font-size:19px;line-height:1.85;margin:0 0 22px}
        .quote-card span{font-size:13px;color:var(--muted)}
        .faq-list{max-width:860px;margin:0 auto}
        .faq-list details{border-bottom:1px solid var(--line);padding:20px 4px}
        .faq-list summary{cursor:pointer;font-weight:700;font-size:17px;list-style:none;display:flex;justify-content:space-between}
        .faq-list summary:after{content:"+";color:var(--blue);font-size:22px}
        .faq-list details[open] summary:after{content:"−"}
        .faq-list details p{color:var(--muted);font-size:14px;margin:14px 32px 0 0}
        .cta-section{padding:72px 0;background:linear-gradient(105deg,#17459d,#2765d8);color:#fff}
        .cta-flex{display:flex;align-items:center;justify-content:space-between;gap:30px}
        .cta-flex h2{margin-bottom:8px}
        .cta-flex p{margin:0;color:rgba(255,255,255,.78)}
        footer{background:#102039;color:#dbe6f3;padding:62px 0 22px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
        .footer-brand{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
        .footer-desc{color:#99aac2;font-size:14px;max-width:270px;margin:0}
        .footer-col h3{font-size:14px;color:#fff;margin:0 0 14px}
        .footer-col a{display:block;color:#99aac2;font-size:13px;margin:8px 0}
        .footer-col a:hover{color:#fff}
        .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding-top:18px;color:#8192aa;font-size:12px}
        @media(max-width:1024px){
            .main-nav{gap:0}.main-nav a{padding:9px 8px;font-size:13px}.nav-tools{display:none}
            .hero-grid{gap:35px}.feature-grid{grid-template-columns:repeat(2,1fr)}
        }
        @media(max-width:768px){
            .container{width:min(100% - 34px,620px)}
            .nav-wrap{min-height:68px}.menu-toggle{display:block;margin-left:auto}
            .main-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 17px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
            .main-nav.open{display:flex}.main-nav a{padding:12px 14px}
            .hero{min-height:auto;padding:82px 0}.hero-grid,.story-grid,.quote-layout{grid-template-columns:1fr;gap:34px}
            .play-card{min-height:270px}.play-card img{height:145px}
            .summary-grid{grid-template-columns:repeat(2,1fr)}.summary-item:nth-child(2){border-right:0}.summary-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
            .process{grid-template-columns:1fr 1fr;border-top:0}.process-step{border-top:1px solid var(--line);padding:22px 15px}.process-step:nth-child(2){border-right:0}
            .scenario-grid{grid-template-columns:1fr}.cta-flex{align-items:flex-start;flex-direction:column}
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media(max-width:520px){
            h1{font-size:39px}.section{padding:66px 0}.feature-grid{grid-template-columns:1fr}
            .summary-item{padding:19px 15px}.summary-item strong{font-size:23px}
            .story-image img{height:280px}.scenario{padding:17px;gap:12px}.scenario img{width:82px;height:78px}
            .process{grid-template-columns:1fr}.process-step{border-right:0!important}
            .footer-grid{grid-template-columns:1fr;gap:26px}
        }