/* roulang page: index */
:root{
      --ink:#18263d;
      --muted:#6d7c91;
      --blue:#2459d6;
      --blue-dark:#173e9b;
      --purple:#7658d8;
      --orange:#ed835d;
      --bg:#f5f8fc;
      --soft:#edf3ff;
      --line:#dfe7f2;
      --white:#fff;
      --radius:16px;
      --shadow:0 14px 34px rgba(35,65,112,.09);
      --shadow-hover:0 20px 42px rgba(35,65,112,.15);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(36,89,214,.22);outline-offset:2px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{min-height:74px;display:flex;align-items:center;gap:28px}
    .brand{font-size:20px;font-weight:800;letter-spacing:-.5px;white-space:nowrap;color:var(--blue-dark)}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin:0 7px 2px 0}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:10px 14px;border-radius:9px;color:#5c6b80;font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .location{display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--muted);font-size:13px;white-space:nowrap}
    .pin{width:18px;height:18px;border:2px solid var(--purple);border-radius:50% 50% 50% 0;transform:rotate(-45deg);position:relative}
    .pin:after{content:"";position:absolute;width:4px;height:4px;border-radius:50%;background:var(--purple);left:5px;top:5px}
    .menu-toggle{display:none;background:none;border:0;color:var(--blue);font-size:24px;min-width:44px}
    .hero{padding:74px 0 54px;background:linear-gradient(180deg,#fff 0%,#f5f8fc 100%);position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(36,89,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,89,214,.045) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,#000,transparent 70%);pointer-events:none}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}
    h1{font-size:clamp(36px,5vw,58px);line-height:1.18;letter-spacing:-2px;margin:14px 0 20px;max-width:690px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:650px;margin-bottom:28px}
    .actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{border:0;border-radius:10px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;transition:.2s ease}
    .button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,89,214,.2)}
    .button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,89,214,.25)}
    .button.secondary{background:#fff;color:var(--blue);border:1px solid #cbd9f1}
    .button.secondary:hover{border-color:var(--blue);background:var(--soft);transform:translateY(-2px)}
    .signal-board{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow);position:relative}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}
    .status{font-size:12px;color:#31946c;background:#eaf8f1;border-radius:20px;padding:5px 10px}
    .board-title{font-weight:800}
    .metric-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .metric{padding:15px;background:#f8faff;border:1px solid #e3ebfa;border-radius:12px}
    .metric small{display:block;color:var(--muted);font-size:12px}.metric strong{font-size:29px;display:block;line-height:1.35;font-family:ui-monospace,monospace}.metric em{font-style:normal;color:var(--purple);font-size:12px}
    .signal-line{height:58px;margin-top:18px;border-bottom:2px solid #e2eafa;background:linear-gradient(145deg,transparent 42%,#dfe8ff 43%,#dfe8ff 45%,transparent 46%),linear-gradient(25deg,transparent 55%,#cfdcff 56%,#cfdcff 58%,transparent 59%);position:relative}
    .signal-line span{position:absolute;right:4%;top:9px;width:11px;height:11px;background:var(--orange);border:3px solid #fff;border-radius:50%;box-shadow:0 0 0 3px #f9d8cc}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:30px}
    h2{font-size:32px;line-height:1.3;letter-spacing:-1px;margin:7px 0 0}
    .section-intro{color:var(--muted);max-width:570px;margin:0}
    .dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .dash-card,.service-card,.quote-card,.info-card,.faq-panel,.form-panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .dash-card{padding:22px;position:relative;overflow:hidden}.dash-card:before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--blue)}
    .dash-card:nth-child(2):before{background:var(--purple)}.dash-card:nth-child(3):before{background:var(--orange)}.dash-card:nth-child(4):before{background:#43a78c}
    .dash-label{color:var(--muted);font-size:13px}.dash-number{font-size:34px;font-weight:800;line-height:1.3;margin:6px 0}.dash-note{font-size:12px;color:#4b9a7a}
    .matrix{display:grid;grid-template-columns:1.3fr .85fr .85fr;grid-template-rows:1fr 1fr;gap:16px}
    .service-card{padding:25px;position:relative;transition:.2s ease}.service-card:hover,.info-card:hover,.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b8ccef}
    .service-card.featured{grid-row:span 2;background:linear-gradient(145deg,#214fae,#3f71d8);color:#fff;border-color:#214fae}.service-card.featured p,.service-card.featured .card-meta{color:#dce7ff}
    .card-tag{font-size:12px;color:var(--purple);font-weight:800}.featured .card-tag{color:#ffd0bd}
    h3{font-size:21px;line-height:1.4;margin:10px 0 8px}.service-card p{color:var(--muted);font-size:14px;margin:0 0 22px}.card-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(170,190,225,.35);padding-top:14px}.arrow{font-size:20px;color:var(--orange)}
    .compare{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}.compare-copy p{color:var(--muted)}.compare-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:25px;box-shadow:var(--shadow)}
    .compare-item{margin-bottom:20px}.compare-item:last-child{margin-bottom:0}.compare-label{display:flex;justify-content:space-between;font-size:13px;margin-bottom:7px}.bar{height:9px;background:#edf1f7;border-radius:20px;overflow:hidden}.bar span{display:block;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--blue),var(--purple))}
    .quote-section{background:#eef4ff}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.quote-card{padding:22px}.quote-card p{font-size:15px;margin:0 0 17px}.quote-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.quote-meta b{color:var(--blue)}
    .preview-layout{display:grid;grid-template-columns:1fr .65fr;gap:20px}.info-card{padding:23px}.info-card.large{min-height:235px;background:linear-gradient(140deg,#fff,#f0f4ff)}.info-list{list-style:none;padding:0;margin:0}.info-list li{border-bottom:1px solid var(--line);padding:15px 0;display:flex;justify-content:space-between;gap:15px;font-size:14px}.info-list li:last-child{border:0}.info-list a:hover{color:var(--blue)}.date{font-size:12px;color:var(--muted);white-space:nowrap}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}.faq-panel{padding:10px}.accordion-title{border:0!important;background:#fff!important;color:var(--ink)!important;font-weight:700;font-size:15px;padding:18px 20px!important}.accordion-title:before{color:var(--blue)!important}.accordion-content{border:0!important;padding:0 20px 18px!important;color:var(--muted);font-size:14px;background:#fff!important}
    .form-section{padding-top:20px}.form-panel{display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;padding:34px}.form-copy p{color:var(--muted);font-size:14px}.form-status{display:inline-flex;color:#318f70;background:#eaf8f1;padding:6px 10px;border-radius:20px;font-size:12px;margin-top:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-field.full{grid-column:1/-1}label{font-size:13px;font-weight:700;display:block;margin-bottom:6px}input,select,textarea{width:100%;border:1px solid #d5dfed;border-radius:9px;padding:11px 13px;background:#fbfcfe;color:var(--ink);transition:.2s}input:focus,select:focus,textarea:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,89,214,.1)}textarea{min-height:92px;resize:vertical}.form-hint{font-size:12px;color:var(--muted);margin:12px 0 0}
    footer{background:#eaf1fb;border-top:1px solid var(--line);padding:36px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px}.footer-brand{font-weight:800;color:var(--blue-dark);font-size:18px}.footer-copy{color:var(--muted);font-size:13px;max-width:330px}.footer-title{font-size:13px;font-weight:800;margin-bottom:10px}.footer-links{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:13px}.footer-links a:hover{color:var(--blue)}.copyright{border-top:1px solid #d6e1f0;margin-top:25px;padding-top:17px;color:#8795a8;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){.hero-grid,.compare,.form-panel{grid-template-columns:1fr}.matrix{grid-template-columns:1fr 1fr;grid-template-rows:auto}.service-card.featured{grid-row:auto;grid-column:span 2}.dashboard-grid{grid-template-columns:repeat(2,1fr)}.faq-layout{grid-template-columns:1fr}.preview-layout{grid-template-columns:1fr}.nav-links{gap:0}.nav-links a{padding:9px 8px}}
    @media(max-width:700px){.container{width:min(100% - 28px,560px)}.nav-wrap{min-height:64px;gap:10px}.brand{font-size:16px}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;padding:10px 14px 16px;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}.location{order:-1;margin:2px 0 8px;justify-content:center}.hero{padding:48px 0 35px}h1{font-size:36px;letter-spacing:-1.2px}.hero-copy{font-size:15px}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:12px}.dashboard-grid{gap:10px}.dash-card{padding:17px}.dash-number{font-size:27px}.matrix{display:flex;flex-direction:column}.service-card.featured{order:-1}.quote-grid{grid-template-columns:1fr}.form-panel{padding:23px;gap:22px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}}

/* roulang page: category1 */
:root{
      --ink:#18263d;
      --muted:#6d7c91;
      --blue:#2459d6;
      --blue-dark:#173e9b;
      --purple:#7658d8;
      --orange:#ed835d;
      --green:#43a78c;
      --bg:#f5f8fc;
      --soft:#edf3ff;
      --line:#dfe7f2;
      --white:#fff;
      --radius:16px;
      --shadow:0 14px 34px rgba(35,65,112,.09);
      --shadow-hover:0 20px 42px rgba(35,65,112,.15);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.2s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(36,89,214,.22);outline-offset:2px}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .topbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
    .nav-wrap{min-height:74px;display:flex;align-items:center;gap:25px}
    .brand{font-size:20px;font-weight:800;letter-spacing:-.5px;white-space:nowrap;color:var(--blue-dark)}
    .brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin:0 7px 2px 0}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:10px 13px;border-radius:9px;color:#5c6b80;font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .location-pill{display:flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;background:#f2f6ff;border:1px solid #d8e3f7;border-radius:22px;padding:8px 12px;white-space:nowrap}
    .location-dot{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px #ffe8df}
    .menu-toggle{display:none;background:none;border:0;color:var(--blue);font-size:24px;min-width:44px}
    .page-hero{padding:58px 0 42px;background:linear-gradient(180deg,#fff 0%,#f5f8fc 100%);position:relative;overflow:hidden}
    .page-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(36,89,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,89,214,.045) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,#000,transparent 78%);pointer-events:none}
    .hero-inner{position:relative}
    .breadcrumb{font-size:13px;color:var(--muted);margin-bottom:24px}
    .breadcrumb a{color:var(--blue)}
    .eyebrow,.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px}
    h1{font-size:clamp(34px,4.6vw,54px);line-height:1.2;letter-spacing:-1.8px;margin:8px 0 18px;font-weight:850}
    h2{font-size:clamp(26px,3vw,34px);line-height:1.3;letter-spacing:-.8px;margin:0 0 12px}
    h3{font-size:20px;line-height:1.4;margin:0 0 10px}
    .hero-summary{max-width:730px;color:var(--muted);font-size:17px;margin:0 0 25px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button{border:0;border-radius:10px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;transition:.2s ease;min-height:44px}
    .button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,89,214,.2)}
    .button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,89,214,.25)}
    .button.secondary{background:#fff;color:var(--blue);border:1px solid #cbd9f1}
    .button.secondary:hover{border-color:var(--blue);background:var(--soft);transform:translateY(-2px)}
    .status-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .status-chip,.card-tag,.filter-label{font-size:12px;font-weight:700;border-radius:20px;padding:5px 10px;background:var(--soft);color:var(--blue)}
    .status-chip.green{background:#eaf8f1;color:#318f70}
    .status-chip.orange{background:#fff0ea;color:#c86542}
    .section{padding:72px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:28px}
    .section-intro{color:var(--muted);max-width:570px;margin:0}
    .filter-panel{background:#eaf1fb;border:1px solid #d8e4f5;border-radius:18px;padding:22px;margin-bottom:34px;box-shadow:0 8px 22px rgba(35,65,112,.05)}
    .filter-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr auto;gap:12px;align-items:end}
    .filter-field label{display:block;font-size:12px;color:var(--muted);font-weight:700;margin-bottom:6px}
    select,input,textarea{width:100%;border:1px solid #d5dfed;border-radius:9px;padding:10px 12px;background:#fbfcfe;color:var(--ink);transition:.2s;min-height:44px}
    select:focus,input:focus,textarea:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,89,214,.1)}
    .filter-reset{background:#fff;border:1px solid #cbd9f1;color:var(--blue);cursor:pointer}
    .content-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:24px;align-items:start}
    .index-list{display:grid;gap:15px}
    .index-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;box-shadow:var(--shadow);transition:.2s}
    .index-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#b8ccef}
    .index-number{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:22px;font-weight:800;color:var(--purple);border-right:1px solid var(--line);padding-right:16px}
    .index-card h3{margin:5px 0 6px}
    .index-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}
    .meta-line{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:10px}
    .meta-line span:before{content:"·";color:var(--orange);margin-right:5px}
    .card-arrow{font-size:24px;color:var(--orange)}
    .side-stack{display:grid;gap:16px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}
    .info-card h3{font-size:18px}
    .info-card p{color:var(--muted);font-size:14px;margin:0 0 14px}
    .tag-cloud{display:flex;gap:8px;flex-wrap:wrap}
    .tag-cloud a{font-size:13px;color:#52647e;border:1px solid var(--line);border-radius:18px;padding:6px 10px;background:#fbfcfe}
    .tag-cloud a:hover{color:var(--blue);border-color:#b8ccef;background:var(--soft)}
    .side-list{list-style:none;padding:0;margin:0}
    .side-list li{border-bottom:1px solid var(--line);padding:11px 0;display:flex;justify-content:space-between;gap:10px;font-size:14px}
    .side-list li:last-child{border-bottom:0}
    .side-list a:hover{color:var(--blue)}
    .side-list small{color:var(--muted)}
    .compare-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
    .compare-row{display:grid;grid-template-columns:130px 1fr 70px;gap:15px;align-items:center;margin:17px 0}
    .compare-row strong{font-size:14px}
    .bar{height:9px;background:#e8eef7;border-radius:10px;overflow:hidden}
    .bar span{display:block;height:100%;border-radius:10px;background:linear-gradient(90deg,var(--blue),var(--purple))}
    .compare-row em{font-style:normal;color:var(--muted);font-size:12px;text-align:right}
    .faq-section{background:#eef4ff}
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
    .faq-copy p{color:var(--muted)}
    .faq-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:10px;box-shadow:var(--shadow)}
    .accordion{margin:0;background:transparent}
    .accordion-item{border-bottom:1px solid var(--line)}
    .accordion-item:last-child{border-bottom:0}
    .accordion-title{border:0!important;background:#fff!important;color:var(--ink)!important;font-weight:700;font-size:15px;padding:18px 20px!important;min-height:54px}
    .accordion-title:before{color:var(--blue)!important}
    .accordion-content{border:0!important;padding:0 20px 18px!important;color:var(--muted);font-size:14px;line-height:1.8}
    .form-section{padding:72px 0}
    .form-panel{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);display:grid;grid-template-columns:.75fr 1.25fr;gap:40px;padding:34px}
    .form-copy p{color:var(--muted);font-size:14px}
    .form-status{display:inline-flex;color:#318f70;background:#eaf8f1;padding:6px 10px;border-radius:20px;font-size:12px;margin-top:15px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .form-field.full{grid-column:1/-1}
    .form-field label{display:block;font-weight:700;font-size:13px;margin-bottom:6px}
    textarea{min-height:100px;resize:vertical}
    .form-hint{font-size:12px;color:var(--muted);margin:12px 0 0}
    footer{background:#eaf1fb;border-top:1px solid var(--line);padding:36px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
    .footer-brand{font-size:19px;font-weight:800;color:var(--blue-dark);margin-bottom:8px}
    .footer-copy{color:var(--muted);font-size:14px;max-width:330px;margin:0}
    .footer-title{font-weight:800;margin-bottom:10px}
    .footer-links{display:grid;gap:7px;color:var(--muted);font-size:14px}
    .footer-links a:hover{color:var(--blue)}
    .copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #d4e0f0;margin-top:28px;padding-top:17px;color:#7b899d;font-size:12px}
    @media(max-width:1050px){
      .nav-wrap{gap:12px}.nav-links a{padding-left:9px;padding-right:9px}.location-pill{display:none}
      .filter-grid{grid-template-columns:1fr 1fr 1fr}.filter-reset{grid-column:span 1}
    }
    @media(max-width:767px){
      .container{width:min(100% - 28px,600px)}
      .nav-wrap{min-height:66px}.brand{font-size:17px}.menu-toggle{display:block;margin-left:auto}
      .nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
      .page-hero{padding:40px 0 32px}h1{font-size:34px;letter-spacing:-1px}.hero-summary{font-size:15px}
      .section,.form-section{padding:52px 0}.section-head{display:block;margin-bottom:22px}.section-intro{margin-top:8px}
      .filter-grid{grid-template-columns:1fr 1fr}.filter-reset{grid-column:1/-1}
      .content-layout,.faq-layout,.form-panel{grid-template-columns:1fr;gap:20px}
      .index-card{grid-template-columns:40px 1fr auto;gap:12px;padding:17px}.index-number{font-size:18px;padding-right:10px}
      .compare-row{grid-template-columns:95px 1fr 52px;gap:9px}.compare-box{padding:18px}
      .form-panel{padding:22px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}.copyright span{display:block;margin-top:5px}
    }
    @media(max-width:480px){
      .filter-grid{grid-template-columns:1fr}.filter-reset{grid-column:auto;width:100%}
      .index-card{grid-template-columns:34px 1fr}.card-arrow{display:none}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{
 --ink:#18263d;
 --muted:#6d7c91;
 --blue:#2459d6;
 --blue-dark:#173e9b;
 --purple:#7658d8;
 --orange:#ed835d;
 --green:#43a78c;
 --bg:#f5f8fc;
 --soft:#edf3ff;
 --line:#dfe7f2;
 --white:#fff;
 --radius:16px;
 --shadow:0 14px 34px rgba(35,65,112,.09);
 --shadow-hover:0 20px 42px rgba(35,65,112,.15);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;font-size:16px;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .2s ease}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button:focus,a:focus,input:focus,select:focus,textarea:focus{outline:3px solid rgba(36,89,214,.22);outline-offset:2px}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.5px;line-height:1.28}
h1{font-size:clamp(34px,4.5vw,54px);margin:14px 0 20px;font-weight:850}
h2{font-size:clamp(27px,3vw,36px);margin:0 0 12px;font-weight:800}
h3{font-size:21px;margin:12px 0 10px;font-weight:800}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.topbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav-wrap{min-height:74px;display:flex;align-items:center;gap:28px}
.brand{font-size:20px;font-weight:800;letter-spacing:-.5px;white-space:nowrap;color:var(--blue-dark)}
.brand i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--orange);margin:0 7px 2px 0}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:10px 14px;border-radius:9px;color:#5c6b80;font-size:14px}
.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
.location-chip{display:inline-flex;align-items:center;gap:7px;color:var(--blue);background:#f1f5ff;border:1px solid #d9e4fb;border-radius:20px;padding:8px 12px;font-size:12px;white-space:nowrap}
.location-dot{width:8px;height:8px;border:2px solid var(--orange);border-radius:50%;position:relative}
.location-dot:after{content:"";position:absolute;left:1px;top:5px;width:3px;height:3px;border-radius:50%;background:var(--orange)}
.menu-toggle{display:none;background:none;border:0;color:var(--blue);font-size:24px;min-width:44px}
.hero{padding:58px 0 48px;background:linear-gradient(180deg,#fff 0%,#f5f8fc 100%);position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(36,89,214,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(36,89,214,.045) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(90deg,#000,transparent 76%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center}
.eyebrow,.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1.5px}
.breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:25px}
.breadcrumb a:hover{color:var(--blue)}
.breadcrumb span{color:#b1bdd0}
.hero-copy{font-size:17px;color:var(--muted);max-width:650px;margin-bottom:25px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.button{border:0;border-radius:10px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;transition:.2s ease;cursor:pointer}
.button.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(36,89,214,.2)}
.button.primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(36,89,214,.25)}
.button.secondary{background:#fff;color:var(--blue);border:1px solid #cbd9f1}
.button.secondary:hover{border-color:var(--blue);background:var(--soft);transform:translateY(-2px)}
.hero-board{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:25px;position:relative}
.board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:17px;margin-bottom:18px}
.board-title{font-weight:800}
.status{font-size:12px;color:#318f70;background:#eaf8f1;padding:5px 9px;border-radius:18px}
.region-map{height:160px;border-radius:14px;background:linear-gradient(135deg,#eef4ff,#f9fbff);position:relative;overflow:hidden;margin-bottom:17px}
.region-map:before,.region-map:after{content:"";position:absolute;border:1px solid rgba(36,89,214,.18);border-radius:50%;width:220px;height:110px;transform:rotate(-18deg);left:15%;top:24px}
.region-map:after{width:290px;height:150px;left:34%;top:0;border-color:rgba(118,88,216,.15)}
.route{position:absolute;height:2px;background:var(--orange);transform-origin:left center;opacity:.8}
.route.one{width:112px;left:23%;top:55%;transform:rotate(-18deg)}
.route.two{width:95px;left:48%;top:42%;transform:rotate(38deg);background:var(--purple)}
.pin{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 3px rgba(36,89,214,.18)}
.pin.a{left:24%;top:50%}.pin.b{left:48%;top:38%}.pin.c{left:70%;top:68%;background:var(--orange)}
.map-label{position:absolute;right:15px;bottom:12px;color:var(--muted);font-size:11px}
.metric-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.metric-box{background:var(--soft);border-radius:12px;padding:12px 14px}
.metric-label{display:block;color:var(--muted);font-size:12px}
.metric-value{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;font-weight:800;color:var(--blue-dark)}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:30px}
.section-intro{color:var(--muted);max-width:590px;margin:0}
.filter-strip{background:#eaf2ff;border:1px solid #d8e5fa;border-radius:16px;padding:17px;margin-bottom:32px}
.filter-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr auto;gap:12px;align-items:end}
.field-label{display:block;font-size:12px;font-weight:700;color:#53657f;margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid #d5dfed;border-radius:9px;padding:10px 13px;background:#fbfcfe;color:var(--ink);transition:.2s}
input:focus,select:focus,textarea:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 3px rgba(36,89,214,.1)}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dash-card,.service-card,.info-card,.faq-panel,.form-panel,.topic-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.dash-card{padding:21px;position:relative;overflow:hidden}
.dash-card:before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:var(--blue)}
.dash-card:nth-child(2):before{background:var(--purple)}
.dash-card:nth-child(3):before{background:var(--orange)}
.dash-card:nth-child(4):before{background:var(--green)}
.dash-card small{color:var(--muted);font-size:12px}
.dash-number{display:block;font:800 29px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--blue-dark);margin:5px 0}
.dash-note{font-size:12px;color:var(--muted)}
.content-layout{display:grid;grid-template-columns:1.65fr .75fr;gap:24px;align-items:start}
.topic-matrix{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.topic-card{padding:23px;position:relative;overflow:hidden;transition:.2s}
.topic-card:hover{transform:translateY(-3px);border-color:#b8ccef;box-shadow:var(--shadow-hover)}
.topic-card.featured{min-height:265px;background:linear-gradient(145deg,#214fae,#416ed0);color:#fff;border-color:#214fae}
.topic-card.featured p,.topic-card.featured .topic-meta{color:#dce7ff}
.topic-card.tall{grid-row:span 2}
.topic-card p{color:var(--muted);font-size:14px;margin-bottom:22px}
.topic-tag{display:inline-flex;color:var(--purple);font-size:12px;font-weight:800}
.featured .topic-tag{color:#ffd0bd}
.topic-meta{border-top:1px solid rgba(170,190,225,.45);padding-top:13px;color:var(--muted);font-size:12px;display:flex;justify-content:space-between}
.topic-arrow{position:absolute;right:22px;bottom:17px;font-size:22px;color:var(--orange)}
.sidebar-stack{display:grid;gap:16px}
.info-card{padding:22px}
.info-card h3{font-size:18px;margin-bottom:14px}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{border-bottom:1px solid var(--line);padding:12px 0;display:flex;justify-content:space-between;gap:10px;font-size:13px}
.info-list li:last-child{border-bottom:0}
.info-list a:hover{color:var(--blue)}
.badges{display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:12px;color:#53657f;background:#f1f5fa;border:1px solid #e0e8f3;border-radius:20px;padding:6px 10px}
.badge:hover{color:var(--blue);border-color:#b9ccef;background:var(--soft)}
.timeline{position:relative;margin-top:12px;padding-left:26px}
.timeline:before{content:"";position:absolute;left:6px;top:7px;bottom:10px;width:1px;background:#cbd9ee}
.timeline-item{position:relative;padding:0 0 27px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item:before{content:"";position:absolute;left:-24px;top:8px;width:11px;height:11px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.timeline-item:nth-child(2):before{border-color:var(--purple)}
.timeline-item:nth-child(3):before{border-color:var(--orange)}
.timeline-item small{color:var(--blue);font-weight:700;font-size:12px}
.timeline-item h3{font-size:17px;margin:4px 0}
.timeline-item p{font-size:13px;color:var(--muted);margin:0}
.compare-section{background:#eef4ff}
.compare-box{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.compare-copy p{color:var(--muted);font-size:14px}
.compare-list{display:grid;gap:17px}
.compare-item{display:grid;grid-template-columns:105px 1fr 48px;gap:12px;align-items:center;font-size:13px}
.bar{height:9px;border-radius:20px;background:#e9eef7;overflow:hidden}
.bar i{height:100%;display:block;border-radius:20px;background:linear-gradient(90deg,var(--blue),var(--purple))}
.compare-item:nth-child(2) .bar i{background:linear-gradient(90deg,var(--purple),#9b81e7)}
.compare-item:nth-child(3) .bar i{background:linear-gradient(90deg,var(--orange),#f1af87)}
.compare-item:nth-child(4) .bar i{background:linear-gradient(90deg,var(--green),#75c6ae)}
.compare-value{font-weight:800;color:var(--blue-dark);text-align:right}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px}
.faq-copy p{color:var(--muted);font-size:14px}
.faq-panel{padding:9px}
.accordion{margin:0;background:transparent}
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-item:last-child{border-bottom:0}
.accordion-title{border:0!important;background:#fff!important;color:var(--ink)!important;font-weight:700;font-size:15px;padding:18px 20px!important}
.accordion-title:hover{color:var(--blue)!important;background:#fafcff!important}
.accordion-title:before{color:var(--blue)!important}
.accordion-content{border:0!important;background:#fbfcfe!important;color:var(--muted);font-size:14px;padding:0 20px 18px!important}
.form-section{padding-top:16px}
.form-panel{display:grid;grid-template-columns:.72fr 1.28fr;gap:42px;padding:34px}
.form-copy p{color:var(--muted);font-size:14px}
.form-status{display:inline-flex;color:#318f70;background:#eaf8f1;padding:6px 10px;border-radius:20px;font-size:12px;margin-top:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-field.full{grid-column:1/-1}
.form-hint{font-size:12px;color:var(--muted);margin:12px 0 0}
footer{background:#eaf1fb;border-top:1px solid var(--line);padding:36px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:35px}
.footer-brand{font-size:19px;font-weight:800;color:var(--blue-dark);margin-bottom:8px}
.footer-copy{color:var(--muted);font-size:13px;max-width:330px;margin:0}
.footer-title{font-size:13px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.footer-links{display:grid;gap:6px;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--blue);padding-left:3px}
.copyright{border-top:1px solid #d6e1ef;margin-top:28px;padding-top:17px;display:flex;justify-content:space-between;gap:20px;color:#8190a5;font-size:12px}
@media(max-width:1050px){
 .nav-wrap{gap:15px}.nav-links a{padding:9px 9px}
 .hero-grid{gap:32px}.dashboard-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:767px){
 .container{width:min(100% - 28px,600px)}
 .topbar{position:relative}.nav-wrap{min-height:66px;justify-content:space-between}
 .brand{font-size:17px}.menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:14px;right:14px;top:66px;background:#fff;border:1px solid var(--line);border-radius:13px;padding:10px;box-shadow:var(--shadow);margin:0;align-items:stretch;flex-direction:column}
 .nav-links.open{display:flex}.nav-links a{padding:12px 14px}
 .location-chip{order:2;margin-right:auto}.menu-toggle{order:3}
 .hero{padding:38px 0 34px}.hero-grid{grid-template-columns:1fr;gap:28px}
 h1{font-size:34px}.hero-copy{font-size:15px}
 .hero-board{padding:19px}.region-map{height:135px}
 .section{padding:57px 0}.section-head{display:block;margin-bottom:22px}
 .section-head .section-intro{margin-top:9px}
 .filter-grid{grid-template-columns:1fr 1fr}.filter-grid .filter-action{grid-column:1/-1}
 .content-layout,.compare-box,.faq-layout,.form-panel{grid-template-columns:1fr;gap:24px}
 .topic-matrix{grid-template-columns:1fr}.topic-card.tall{grid-row:auto}
 .topic-card.featured{min-height:220px}
 .compare-item{grid-template-columns:85px 1fr 42px;gap:8px}
 .form-panel{padding:23px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:1/-1}
 .copyright{display:block}.copyright span{display:block;margin-bottom:5px}
}
@media(max-width:480px){
 .dashboard-grid{grid-template-columns:1fr 1fr;gap:10px}.dash-card{padding:15px 13px}.dash-number{font-size:23px}
 .filter-grid{grid-template-columns:1fr}.filter-grid .filter-action{grid-column:auto}
 .hero-actions .button{width:100%}.footer-grid{grid-template-columns:1fr}
}