/* roulang page: index */
:root{
            --paper:#f4f7fb;
            --paper-deep:#eaf0f7;
            --panel:#ffffff;
            --ink:#172b43;
            --muted:#66788d;
            --line:#dce5ee;
            --blue:#1768a8;
            --blue-dark:#0f4f84;
            --blue-soft:#e7f2fb;
            --teal:#2c8b87;
            --sand:#c58a49;
            --green:#3b8f68;
            --amber:#b6772b;
            --shadow:0 12px 30px rgba(34,68,101,.08);
            --shadow-hover:0 18px 38px rgba(34,68,101,.14);
            --radius:14px;
            --small-radius:9px;
            --sidebar:252px;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            color:var(--ink);
            background:var(--paper);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
            font-size:15px;
            line-height:1.75;
            -webkit-font-smoothing:antialiased;
        }
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit}
        button{cursor:pointer}
        img{display:block;max-width:100%}
        :focus-visible{outline:3px solid rgba(23,104,168,.35);outline-offset:3px}
        .layout{min-height:100vh}
        .sidebar{
            position:fixed;z-index:20;top:0;bottom:0;left:0;width:var(--sidebar);
            padding:28px 20px 22px;background:#fbfdff;border-right:1px solid var(--line);
            display:flex;flex-direction:column;
        }
        .brand{display:flex;gap:12px;align-items:center;padding:4px 5px 30px}
        .brand-mark{
            width:40px;height:40px;border-radius:11px;background:var(--blue);
            color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
            box-shadow:0 7px 15px rgba(23,104,168,.22)
        }
        .brand-name{font-size:15px;font-weight:800;line-height:1.35;letter-spacing:-.3px}
        .brand-note{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
        .nav-label{padding:0 10px 10px;color:#9aaabd;font-size:11px;letter-spacing:1px}
        .nav-list{list-style:none;display:grid;gap:6px}
        .nav-link{
            min-height:48px;padding:10px 11px;border-left:3px solid transparent;border-radius:8px;
            display:flex;align-items:center;gap:11px;color:#52677d;font-weight:600;transition:.2s ease;
        }
        .nav-link:hover{background:var(--blue-soft);color:var(--blue)}
        .nav-link.active{background:var(--blue-soft);border-left-color:var(--blue);color:var(--blue)}
        .nav-icon{width:24px;text-align:center;font-size:16px;color:#7890a7}
        .nav-link.active .nav-icon{color:var(--blue)}
        .nav-status{margin-left:auto;width:6px;height:6px;border-radius:50%;background:#cbd6e1}
        .nav-link.active .nav-status{background:var(--teal)}
        .side-bottom{margin-top:auto;padding:17px 13px;border:1px solid var(--line);border-radius:var(--small-radius);background:var(--paper)}
        .side-bottom strong{display:block;font-size:13px;margin-bottom:4px}
        .side-bottom p{font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:12px}
        .side-bottom a{display:block;color:var(--blue);font-size:12px;font-weight:700}
        .content{margin-left:var(--sidebar);padding:0 44px}
        .container{max-width:1220px;margin:0 auto}
        .mobile-bar{display:none}
        .crumb{padding-top:29px;color:#8a9aac;font-size:12px}
        .hero{padding:25px 0 48px}
        .hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);gap:42px;align-items:stretch}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}
        .eyebrow:before{content:"";width:24px;height:2px;background:var(--sand)}
        h1{font-size:clamp(34px,4.4vw,61px);line-height:1.16;letter-spacing:-2px;max-width:680px;margin-bottom:19px}
        .hero-copy{max-width:650px;color:var(--muted);font-size:16px;line-height:1.9}
        .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0 28px}
        .btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750;transition:.2s ease}
        .btn-primary{color:#fff;background:var(--blue);box-shadow:0 7px 16px rgba(23,104,168,.18)}
        .btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
        .btn-secondary{color:var(--blue);background:#fff;border-color:#b9d0e2}
        .btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
        .hero-facts{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:12px}
        .hero-facts span{display:flex;align-items:center;gap:7px}
        .hero-facts i{width:7px;height:7px;border-radius:50%;background:var(--teal)}
        .hero-visual{
            min-height:350px;position:relative;overflow:hidden;border-radius:18px;background:#dbe9f3;
            border:1px solid #cbdce9;box-shadow:var(--shadow);
            background-image:linear-gradient(145deg,rgba(13,62,101,.08),rgba(255,255,255,.25)),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='560' viewBox='0 0 900 560'%3E%3Crect width='900' height='560' fill='%23dcebf4'/%3E%3Cpath d='M0 450 Q230 300 460 405 T900 330 V560 H0Z' fill='%23b8cfdd'/%3E%3Cpath d='M0 510 Q260 365 490 470 T900 390 V560 H0Z' fill='%2397b7c9'/%3E%3Cpath d='M0 470 C180 410 300 445 470 430 C640 416 745 355 900 365' fill='none' stroke='%23f6f7f6' stroke-width='12' opacity='.7'/%3E%3Cpath d='M0 130 H900' stroke='%23fff' stroke-width='2' opacity='.5'/%3E%3C/svg%3E");
            background-size:cover;background-position:center;
        }
        .visual-label{position:absolute;top:20px;left:20px;padding:6px 10px;border-radius:6px;background:rgba(255,255,255,.88);color:var(--blue);font-size:11px;font-weight:800}
        .visual-car{
            position:absolute;left:12%;right:12%;bottom:62px;height:104px;background:#f8fbfd;
            border-radius:53px 76px 20px 20px;border:3px solid #9fb9c9;
            box-shadow:0 17px 20px rgba(36,67,90,.2);transform:skewX(-6deg)
        }
        .visual-car:before{content:"";position:absolute;left:24%;top:-52px;width:45%;height:59px;border-radius:48px 75px 0 0;background:#e6f1f6;border:3px solid #9fb9c9;border-bottom:0}
        .visual-car:after{content:"";position:absolute;left:13%;bottom:-22px;width:58px;height:58px;border-radius:50%;background:#273c4d;border:12px solid #a8bdc9;box-shadow:260px 0 0 -12px #273c4d,260px 0 0 0 #a8bdc9}
        .visual-panel{position:absolute;bottom:18px;left:20px;right:20px;display:flex;justify-content:space-between;align-items:center;color:#315671;font-size:12px}
        .visual-panel b{font-size:18px;color:var(--ink)}
        section{padding:53px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}
        .section-kicker{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:1.5px;margin-bottom:6px}
        h2{font-size:28px;line-height:1.3;letter-spacing:-.7px}
        .section-head p{max-width:500px;color:var(--muted);font-size:14px}
        .metrics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0}
        .metric-grid{display:grid;grid-template-columns:repeat(5,1fr)}
        .metric{padding:8px 22px;border-right:1px solid var(--line)}
        .metric:first-child{padding-left:0}.metric:last-child{border:0}
        .metric-label{color:var(--muted);font-size:12px}.metric strong{display:block;font-size:30px;line-height:1.25;color:var(--blue);margin:4px 0}.metric small{color:#8b9bab;font-size:11px}
        .matrix-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:16px}
        .service-card{position:relative;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.2s}
        .service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#a9c8dd}
        .service-card.large{grid-row:span 2;background:#eef6fb}
        .card-num{font-size:12px;color:var(--sand);font-weight:800;letter-spacing:1px}
        .service-card h3{font-size:19px;margin:27px 0 8px}
        .service-card p{color:var(--muted);font-size:13px;line-height:1.75;margin-bottom:21px}
        .tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}
        .tag{display:inline-flex;padding:4px 8px;border-radius:5px;background:#edf3f7;color:#577087;font-size:11px}
        .tag.blue{background:#dceef9;color:var(--blue)}.tag.green{background:#e5f3ed;color:var(--green)}.tag.sand{background:#f8eedf;color:#9b6424}
        .text-link{color:var(--blue);font-size:13px;font-weight:750}
        .focus-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .focus-card{padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:flex;justify-content:space-between;gap:20px;align-items:center}
        .focus-card:hover{border-color:#9fc2d9;background:#fbfdff}.focus-card h3{font-size:16px;margin-bottom:5px}.focus-card p{color:var(--muted);font-size:13px}.focus-mark{width:48px;height:48px;flex:none;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:19px}
        .compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
        table{width:100%;min-width:760px;border-collapse:collapse;text-align:left}
        th,td{padding:17px 18px;border-bottom:1px solid var(--line);font-size:13px}th{color:#6f8192;background:#f7fafc;font-size:12px;font-weight:750}tr:last-child td{border-bottom:0}td:first-child{font-weight:750;color:var(--ink)}
        .state{display:inline-flex;padding:4px 8px;border-radius:5px;font-size:11px;font-weight:750}.state.good{background:#e4f4eb;color:var(--green)}.state.wait{background:#fff1dc;color:#a46d25}.state.neutral{background:#edf1f5;color:#6e7e8c}
        .faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px}.faq-list{display:grid;gap:9px}.faq-item{border:1px solid var(--line);border-radius:9px;background:#fff;overflow:hidden}.faq-question{width:100%;padding:16px 18px;background:transparent;border:0;text-align:left;color:var(--ink);font-weight:700;display:flex;justify-content:space-between;gap:12px}.faq-question span{color:var(--blue);font-size:20px;line-height:1}.faq-answer{display:none;padding:0 18px 17px;color:var(--muted);font-size:13px;line-height:1.8}.faq-item.open .faq-answer{display:block}.faq-item.open{border-color:#a9c8dd}
        .cta-panel{display:grid;grid-template-columns:.75fr 1.25fr;gap:38px;padding:34px;background:#e5f1f8;border:1px solid #c7ddea;border-radius:18px}.cta-panel h2{margin-bottom:12px}.cta-panel p{color:var(--muted);font-size:14px}.request-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:22px}.request-tags span{padding:5px 9px;border-radius:5px;background:#fff;color:var(--blue);font-size:11px}
        .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:12px;font-weight:750;color:#4e657b}.field label em{color:#c26152;font-style:normal}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd9e4;border-radius:7px;background:#fff;padding:11px 12px;color:var(--ink);outline:none}.field textarea{min-height:84px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,104,168,.1)}.form-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:17px}.consent{font-size:11px;color:var(--muted)}.form-status{display:none;margin-top:12px;padding:9px 12px;border-radius:6px;background:#e4f4eb;color:var(--green);font-size:12px}
        footer{margin-top:35px;padding:30px 0 25px;border-top:1px solid var(--line);background:#e9f0f5}.footer-inner{display:flex;justify-content:space-between;gap:30px;align-items:start}.footer-brand{font-weight:800}.footer-brand small{display:block;color:var(--muted);font-size:11px;font-weight:400;margin-top:3px}.footer-links{display:flex;gap:20px;color:#61778b;font-size:12px}.footer-links a:hover{color:var(--blue)}.copyright{margin-top:24px;color:#91a0ad;font-size:11px}
        @media(max-width:1023px){:root{--sidebar:220px}.content{padding:0 25px}.hero-grid{gap:25px}.matrix-grid{grid-template-columns:1fr 1fr}.service-card.large{grid-row:auto;grid-column:span 2}.metric-grid{grid-template-columns:repeat(3,1fr);row-gap:18px}.metric:nth-child(3){border:0}.faq-layout{gap:20px}}
        @media(max-width:767px){
            .sidebar{display:none}.content{margin-left:0;padding:0 17px}.mobile-bar{height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fbfdff;margin:0 -17px;padding:0 17px;position:relative;z-index:22}.mobile-brand{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:800}.mobile-brand b{width:31px;height:31px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center}.menu-btn{border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--blue);width:40px;height:38px;font-size:20px}.mobile-menu{display:none;position:absolute;top:64px;left:0;right:0;padding:12px 17px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.mobile-menu.show{display:grid;gap:5px}.mobile-menu a{padding:11px;border-radius:7px;font-weight:650}.mobile-menu a.active{background:var(--blue-soft);color:var(--blue)}.crumb{padding-top:19px}.hero{padding:20px 0 36px}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:250px;order:-1}.visual-car{bottom:55px}.hero-copy{font-size:14px}.hero-actions .btn{flex:1}.hero-facts{gap:10px 15px}.section-head{display:block;margin-bottom:18px}.section-head p{margin-top:9px}.section-head h2{font-size:24px}.metrics{padding:20px 0}.metric-grid{grid-template-columns:1fr 1fr}.metric{padding:8px 12px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.metric:nth-child(2n){border-right:0}.metric:nth-last-child(-n+2){border-bottom:0}.metric:first-child{padding-left:0}.matrix-grid,.focus-grid,.faq-layout,.cta-panel{grid-template-columns:1fr}.service-card.large{grid-column:auto}.service-card h3{margin-top:18px}.focus-card{padding:17px}.cta-panel{padding:23px 17px;gap:24px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.form-bottom{display:block}.form-bottom .btn{width:100%;margin-top:14px}.footer-inner{display:block}.footer-links{flex-wrap:wrap;margin-top:18px;gap:12px 18px}}
        @media(max-width:380px){h1{font-size:32px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.metric strong{font-size:25px}}

/* roulang page: category1 */
:root{
 --paper:#f4f7fb;--paper-deep:#eaf0f7;--panel:#fff;--ink:#172b43;
 --muted:#66788d;--line:#dce5ee;--blue:#1768a8;--blue-dark:#0f4f84;
 --blue-soft:#e7f2fb;--teal:#2c8b87;--sand:#c58a49;--green:#3b8f68;
 --amber:#b6772b;--shadow:0 12px 30px rgba(34,68,101,.08);
 --shadow-hover:0 18px 38px rgba(34,68,101,.14);--radius:14px;
 --small-radius:9px;--sidebar:252px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(32px,4vw,54px);line-height:1.18;letter-spacing:-1.5px;margin:0 0 18px}
h2{font-size:clamp(25px,3vw,34px);line-height:1.3;margin:0 0 10px}
h3{line-height:1.35}
.container{max-width:1220px;margin:0 auto;padding:0 28px}
.page-shell{min-height:100vh;padding-left:var(--sidebar)}
.sidebar{position:fixed;z-index:20;left:0;top:0;bottom:0;width:var(--sidebar);padding:29px 18px 22px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;box-shadow:4px 0 20px rgba(39,72,104,.035)}
.brand{display:flex;gap:12px;align-items:center;padding:4px 5px 30px}
.brand-mark{width:40px;height:40px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 7px 15px rgba(23,104,168,.22)}
.brand-name{font-size:15px;font-weight:800;line-height:1.35;letter-spacing:-.3px}
.brand-note{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.nav-label{padding:0 10px 10px;color:#9aaabd;font-size:11px;letter-spacing:1px}
.nav-list{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.nav-link{min-height:48px;padding:10px 11px;border-left:3px solid transparent;border-radius:8px;display:flex;align-items:center;gap:11px;color:#52677d;font-weight:600;transition:.2s ease}
.nav-link:hover,.nav-link:focus-visible{background:var(--blue-soft);color:var(--blue)}
.nav-link.active{background:var(--blue-soft);border-left-color:var(--blue);color:var(--blue)}
.nav-icon{width:24px;text-align:center;font-size:16px;color:#7890a7}
.nav-link.active .nav-icon{color:var(--blue)}
.nav-status{margin-left:auto;width:6px;height:6px;border-radius:50%;background:#cbd6e1}
.nav-link.active .nav-status{background:var(--teal)}
.side-bottom{margin-top:auto;padding:16px 10px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.side-bottom a{display:block;color:var(--blue);font-size:12px;font-weight:700;margin-bottom:8px}
.mobile-bar{display:none}
main{overflow:hidden}
.hero{padding:32px 0 42px}
.breadcrumb{color:#8293a5;font-size:12px;margin-bottom:25px}
.breadcrumb a{color:var(--blue)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.5px;margin-bottom:14px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--sand)}
.hero-copy{max-width:650px;color:var(--muted);font-size:16px;line-height:1.9}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750;transition:.2s ease}
.btn-primary{color:#fff;background:var(--blue);box-shadow:0 7px 16px rgba(23,104,168,.18)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-secondary{color:var(--blue);background:#fff;border-color:#b9d0e2}
.btn-secondary:hover,.btn-secondary:focus-visible{background:var(--blue-soft);border-color:var(--blue)}
.hero-facts{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.hero-facts span{display:flex;align-items:center;gap:7px}
.hero-facts i{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.hero-visual{min-height:330px;position:relative;overflow:hidden;border-radius:18px;background:#dbe9f3;border:1px solid #cbdce9;box-shadow:var(--shadow);background-image:linear-gradient(145deg,rgba(13,62,101,.08),rgba(255,255,255,.25)),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='560'%3E%3Crect width='900' height='560' fill='%23dcebf4'/%3E%3Cpath d='M0 450 Q230 300 460 405 T900 330 V560 H0Z' fill='%23b8cfdd'/%3E%3Cpath d='M0 510 Q260 365 490 470 T900 390 V560 H0Z' fill='%2397b7c9'/%3E%3Cpath d='M0 470 C180 410 300 445 470 430 C640 416 745 355 900 365' fill='none' stroke='%23f6f7f6' stroke-width='12' opacity='.7'/%3E%3C/svg%3E");background-size:cover}
.visual-note{position:absolute;left:24px;top:22px;padding:8px 12px;background:#fff;color:var(--blue);font-size:12px;font-weight:800;border-radius:6px;box-shadow:var(--shadow)}
.visual-panel{position:absolute;right:22px;bottom:22px;width:220px;padding:17px;background:rgba(255,255,255,.94);border:1px solid #d5e2eb;border-radius:12px}
.visual-panel strong{display:block;font-size:25px;line-height:1.1}
.visual-panel span{color:var(--muted);font-size:12px}
section{padding:52px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}
.section-kicker{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:1.5px;margin-bottom:6px}
.section-head p{max-width:540px;color:var(--muted);font-size:14px;margin-bottom:0}
.filter-box{padding:19px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(3,1fr) auto;gap:12px;align-items:end}
.field label{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:6px}
.field select,.field input,.form-field input,.form-field textarea{width:100%;border:1px solid #cbd9e4;border-radius:8px;background:#fbfdff;color:var(--ink);padding:10px 12px;outline:0}
.field select:focus,.field input:focus,.form-field input:focus,.form-field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(23,104,168,.12)}
.reset{min-height:43px;border:1px solid #b9d0e2;border-radius:8px;background:#fff;color:var(--blue);padding:0 16px;font-weight:700}
.reset:hover{background:var(--blue-soft)}
.result-bar{display:flex;justify-content:space-between;gap:15px;align-items:center;margin:24px 0 14px;color:var(--muted);font-size:13px}
.result-bar strong{color:var(--ink);font-size:18px}
.region-grid{display:grid;grid-template-columns:1.3fr .9fr .9fr;gap:16px}
.region-card{min-height:185px;padding:23px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);position:relative;transition:.2s ease}
.region-card:hover{transform:translateY(-4px);border-color:#a9c8dd;box-shadow:var(--shadow-hover)}
.region-card.featured{background:#eef6fb;border-top:4px solid var(--blue)}
.region-code{color:var(--sand);font-size:12px;font-weight:800;letter-spacing:1px}
.region-card h3{font-size:20px;margin:20px 0 7px}
.region-card p{color:var(--muted);font-size:13px;margin-bottom:17px}
.tags{display:flex;gap:7px;flex-wrap:wrap}
.tag{display:inline-flex;padding:4px 8px;border-radius:5px;background:#edf3f7;color:#577087;font-size:11px}
.tag.blue{background:#dceef9;color:var(--blue)}
.tag.green{background:#e5f3ed;color:var(--green)}
.tag.sand{background:#f8eedf;color:#9b6424}
.text-link{color:var(--blue);font-size:13px;font-weight:750}
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:auto}
.compare-table{width:100%;min-width:720px;border-collapse:collapse}
.compare-table th,.compare-table td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:13px}
.compare-table th{background:#f1f6fa;color:var(--muted);font-size:12px;font-weight:800}
.compare-table tr:last-child td{border-bottom:0}
.status{display:inline-flex;padding:4px 9px;border-radius:5px;font-size:11px;font-weight:800}
.status.ready{color:var(--green);background:#e5f3ed}.status.view{color:var(--blue);background:#e2f0fa}.status.wait{color:var(--amber);background:#fff1df}
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px}
.faq-index{padding:22px;background:#eaf3f8;border-radius:var(--radius);height:max-content}
.faq-index p{color:var(--muted);font-size:13px}
details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:0 18px;box-shadow:0 5px 16px rgba(34,68,101,.04)}
summary{cursor:pointer;padding:16px 0;font-weight:750;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"＋";float:right;color:var(--blue);font-size:18px}
details[open] summary:after{content:"－"}
details p{color:var(--muted);font-size:13px;padding:0 0 16px;margin:0}
.cta{background:#e8f2f8;border:1px solid #c9dce9;border-radius:18px;padding:32px}
.cta-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:34px;align-items:start}
.cta h2{font-size:28px}
.cta-copy{color:var(--muted);font-size:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field.full{grid-column:1/-1}
.form-field label{display:block;font-size:12px;font-weight:700;margin-bottom:6px}
.form-field textarea{min-height:94px;resize:vertical}
.required{color:#b75d46}
.form-actions{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap}
.form-tip{color:var(--muted);font-size:12px}
.form-message{display:none;color:var(--green);font-size:13px;font-weight:700}
footer{background:#e7eef5;border-top:1px solid var(--line);padding:29px 0 22px}
.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}
.footer-brand{font-weight:800}.footer-brand small{display:block;color:var(--muted);font-size:11px;font-weight:500}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#52677d;font-size:12px}
.footer-links a:hover{color:var(--blue)}
.copyright{border-top:1px solid #d4e0ea;margin-top:22px;padding-top:17px;color:#7a8c9e;font-size:11px}
.empty{display:none;padding:35px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #b9cbd8;border-radius:var(--radius)}
@media(max-width:1023px){
 :root{--sidebar:220px}
 .hero-grid{gap:25px}.region-grid{grid-template-columns:1fr 1fr}.region-card.featured{grid-column:span 2}
 .filter-box{grid-template-columns:1fr 1fr}.filter-box .reset{width:max-content}
}
@media(max-width:767px){
 :root{--sidebar:0px}
 .page-shell{padding-left:0}.sidebar{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;align-items:center;justify-content:space-between}
 .mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:14px}.mobile-mark{width:32px;height:32px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center}
 .menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:7px;padding:6px 10px}
 .mobile-menu{display:none;padding:8px 16px 14px;background:#fff;border-bottom:1px solid var(--line)}.mobile-menu.open{display:grid;gap:5px}
 .mobile-menu a{padding:10px;border-radius:7px;color:var(--muted);font-weight:700}.mobile-menu a.active{background:var(--blue-soft);color:var(--blue)}
 .container{padding:0 18px}.hero{padding:24px 0 30px}.hero-grid{grid-template-columns:1fr}.hero-visual{min-height:245px}.hero-copy{font-size:15px}
 section{padding:38px 0}.section-head{display:block}.section-head p{margin-top:10px}
 .filter-box{grid-template-columns:1fr}.filter-box .reset{width:100%}.region-grid{grid-template-columns:1fr}.region-card.featured{grid-column:auto}
 .faq-layout,.cta-grid{grid-template-columns:1fr}.cta{padding:24px 18px}.form-grid{grid-template-columns:1fr}.form-field.full{grid-column:auto}
 .footer-inner{display:block}.footer-links{margin-top:18px;gap:12px}.copyright{line-height:1.7}
}
@media(max-width:390px){h1{font-size:31px}.hero-actions .btn{width:100%}.hero-facts{display:grid;gap:8px}}

/* roulang page: category2 */
:root{
 --paper:#f4f7fb;
 --paper-deep:#eaf0f7;
 --panel:#fff;
 --ink:#172b43;
 --muted:#66788d;
 --line:#dce5ee;
 --blue:#1768a8;
 --blue-dark:#0f4f84;
 --blue-soft:#e7f2fb;
 --teal:#2c8b87;
 --sand:#c58a49;
 --green:#3b8f68;
 --amber:#b6772b;
 --danger:#b95d59;
 --shadow:0 12px 30px rgba(34,68,101,.08);
 --shadow-hover:0 18px 38px rgba(34,68,101,.14);
 --radius:14px;
 --small-radius:9px;
 --sidebar:252px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
h1,h2,h3,p{margin:0}
ul{padding:0;margin:0;list-style:none}
:focus-visible{outline:3px solid rgba(23,104,168,.28);outline-offset:3px}
.site-shell{min-height:100vh}
.sidebar{position:fixed;z-index:20;top:0;bottom:0;left:0;width:var(--sidebar);padding:30px 20px 24px;background:#fbfdff;border-right:1px solid var(--line);display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;padding:4px 5px 30px}
.brand-mark{width:40px;height:40px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 7px 15px rgba(23,104,168,.22)}
.brand-name{font-size:15px;font-weight:800;line-height:1.35;letter-spacing:-.3px}
.brand-note{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.nav-label{padding:0 10px 10px;color:#9aaabd;font-size:11px;letter-spacing:1px}
.nav-list{display:grid;gap:6px}
.nav-link{min-height:48px;padding:10px 11px;border-left:3px solid transparent;border-radius:8px;display:flex;align-items:center;gap:11px;color:#52677d;font-weight:600;transition:.2s ease}
.nav-link:hover{background:var(--blue-soft);color:var(--blue)}
.nav-link.active{background:var(--blue-soft);border-left-color:var(--blue);color:var(--blue)}
.nav-icon{width:24px;text-align:center;font-size:16px;color:#7890a7}
.nav-link.active .nav-icon{color:var(--blue)}
.nav-status{margin-left:auto;width:6px;height:6px;border-radius:50%;background:#cbd6e1}
.nav-link.active .nav-status{background:var(--teal)}
.side-bottom{margin-top:auto;padding:17px 10px;border-top:1px solid var(--line)}
.side-bottom strong{display:block;font-size:13px;margin-bottom:5px}
.side-bottom p{color:var(--muted);font-size:12px;line-height:1.65;margin-bottom:10px}
.side-bottom a{display:block;color:var(--blue);font-size:12px;font-weight:700}
.content{margin-left:var(--sidebar);min-width:0}
.container{max-width:1220px;margin:0 auto;padding:0 34px}
.mobile-bar{display:none}
.breadcrumb{padding-top:27px;color:#8a9bae;font-size:12px}
.breadcrumb a{color:var(--blue)}
.hero{padding:18px 0 46px}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(390px,7fr);gap:42px;align-items:center}
.hero-copy{padding:25px 0 30px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.5px;margin-bottom:15px}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--sand)}
h1{font-size:clamp(34px,4.2vw,58px);line-height:1.18;letter-spacing:-1.8px;max-width:570px}
.hero-copy>p{max-width:590px;color:var(--muted);font-size:16px;line-height:1.9;margin-top:20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0 28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 19px;border:1px solid transparent;border-radius:8px;font-size:14px;font-weight:750;transition:.2s ease}
.btn-primary{color:#fff;background:var(--blue);box-shadow:0 7px 16px rgba(23,104,168,.18)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-secondary{color:var(--blue);background:#fff;border-color:#b9d0e2}
.btn-secondary:hover{background:var(--blue-soft);border-color:var(--blue)}
.hero-facts{display:flex;gap:19px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.hero-facts span{display:flex;align-items:center;gap:7px}
.hero-facts i{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.hero-visual{position:relative;min-height:395px;overflow:hidden;border-radius:18px;background:#dbe9f3;border:1px solid #cbdce9;box-shadow:var(--shadow);background-image:linear-gradient(145deg,rgba(13,62,101,.08),rgba(255,255,255,.25)),url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='560' viewBox='0 0 900 560'%3E%3Crect width='900' height='560' fill='%23dcebf4'/%3E%3Cpath d='M0 450 Q230 300 460 405 T900 330 V560 H0Z' fill='%23b8cfdd'/%3E%3Cpath d='M0 510 Q260 365 490 470 T900 390 V560 H0Z' fill='%2397b7c9'/%3E%3Cpath d='M0 470 C180 410 300 445 470 430 C640 416 745 355 900 365' fill='none' stroke='%23f6f7f6' stroke-width='12' opacity='.7'/%3E%3Cpath d='M0 130 H900' stroke='%23fff' stroke-width='2' opacity='.5'/%3E%3C/svg%3E");background-size:cover;background-position:center}
.visual-panel{position:absolute;right:22px;bottom:21px;width:220px;padding:17px;background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.8);border-radius:12px;box-shadow:0 12px 25px rgba(30,70,100,.14)}
.visual-panel small{display:block;color:var(--muted);font-size:11px}
.visual-panel strong{display:block;font-size:20px;margin:4px 0}
.visual-panel span{color:var(--teal);font-size:12px}
.section{padding:54px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:24px}
.section-kicker{font-size:11px;color:var(--blue);font-weight:800;letter-spacing:1.5px;margin-bottom:6px}
.section-head h2{font-size:28px;line-height:1.3;letter-spacing:-.6px}
.section-head p{max-width:520px;color:var(--muted);font-size:14px}
.filter-bar{display:flex;align-items:end;gap:12px;flex-wrap:wrap;padding:17px;background:#edf4f9;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:25px}
.field{display:grid;gap:6px;min-width:155px;flex:1}
.field label{font-size:12px;color:var(--muted);font-weight:700}
.field select,.field input{height:42px;width:100%;padding:0 12px;color:var(--ink);background:#fff;border:1px solid #cbd9e5;border-radius:7px}
.field select:hover,.field input:hover{border-color:#9dbbd0}
.filter-actions{display:flex;gap:8px}
.btn-small{min-height:42px;padding:0 14px;font-size:13px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.metric{padding:22px 23px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric-label{color:var(--muted);font-size:12px}
.metric strong{display:block;font-size:28px;line-height:1.25;margin:6px 0;color:var(--blue)}
.metric em{font-style:normal;color:var(--teal);font-size:12px}
.matrix{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
.matrix-main,.matrix-side{display:grid;gap:18px}
.info-card{position:relative;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:.2s ease}
.info-card:hover{transform:translateY(-3px);border-color:#a9c8dd;box-shadow:var(--shadow-hover)}
.info-card.primary{background:#eef6fb;border-top:4px solid var(--blue)}
.card-num{color:var(--sand);font-size:12px;font-weight:800;letter-spacing:1px}
.info-card h3{font-size:19px;margin:13px 0 8px}
.info-card p{color:var(--muted);font-size:13px;line-height:1.8}
.tags{display:flex;gap:7px;flex-wrap:wrap;margin:17px 0}
.tag{display:inline-flex;padding:4px 8px;border-radius:5px;background:#edf3f7;color:#577087;font-size:11px}
.tag.blue{background:#dceef9;color:var(--blue)}
.tag.green{background:#e5f3ed;color:var(--green)}
.tag.sand{background:#f8eedf;color:#9b6424}
.text-link{color:var(--blue);font-size:13px;font-weight:750}
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}
.compare-table{width:100%;min-width:720px;border-collapse:collapse}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;vertical-align:top}
.compare-table th{color:#536a80;background:#f1f6fa;font-size:12px;font-weight:800}
.compare-table tr:last-child td{border-bottom:0}
.compare-table td:first-child{font-weight:800;color:var(--ink)}
.state{display:inline-flex;padding:4px 8px;border-radius:5px;font-size:11px;font-weight:700}
.state.recommend{color:var(--green);background:#e5f3ed}
.state.compare{color:var(--blue);background:#e4f1f9}
.state.pending{color:var(--amber);background:#faf0df}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:20px;align-items:start}
.faq-index{padding:23px;background:#eaf3f8;border-radius:var(--radius);border:1px solid var(--line)}
.faq-index strong{display:block;font-size:17px;margin-bottom:8px}
.faq-index p{color:var(--muted);font-size:13px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 18px;box-shadow:0 5px 18px rgba(34,68,101,.04)}
.faq-item summary{padding:16px 24px 16px 0;cursor:pointer;font-weight:750;position:relative;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px;font-weight:400}
.faq-item[open] summary:after{content:"－"}
.faq-answer{padding:0 0 17px;color:var(--muted);font-size:13px;line-height:1.85}
.cta{margin:54px 0 65px;padding:31px 34px;display:flex;justify-content:space-between;align-items:center;gap:24px;background:#e7f2f8;border:1px solid #c9dce9;border-radius:var(--radius)}
.cta h2{font-size:25px;margin-bottom:7px}
.cta p{color:var(--muted);font-size:14px;max-width:650px}
footer{background:#e9f0f6;border-top:1px solid var(--line);padding:29px 0 22px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
.footer-brand{font-size:16px;font-weight:800}
.footer-brand small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:3px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;color:#60768b;font-size:12px}
.footer-links a:hover{color:var(--blue)}
.copyright{padding-top:21px;margin-top:20px;border-top:1px solid #d4e0e9;color:#8293a3;font-size:11px}
.empty-state{display:none;padding:27px;text-align:center;color:var(--muted);background:#fff;border:1px dashed #bfd0dd;border-radius:var(--radius)}
@media(max-width:1100px){
 :root{--sidebar:220px}
 .container{padding:0 26px}
 .hero-grid{gap:25px}
 .hero-visual{min-height:360px}
}
@media(max-width:767px){
 .sidebar{display:none}
 .content{margin-left:0}
 .mobile-bar{display:flex;position:sticky;top:0;z-index:30;min-height:66px;padding:12px 18px;background:rgba(251,253,255,.97);border-bottom:1px solid var(--line);align-items:center;justify-content:space-between}
 .mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:14px}
 .mobile-brand b{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--blue);color:#fff}
 .menu-toggle{border:1px solid #c8d8e5;background:#fff;color:var(--blue);border-radius:7px;width:42px;height:38px;font-size:20px}
 .mobile-menu{display:none;padding:8px 18px 15px;background:#fbfdff;border-bottom:1px solid var(--line)}
 .mobile-menu.open{display:block}
 .mobile-menu .nav-list{gap:4px}
 .container{padding:0 18px}
 .breadcrumb{padding-top:20px}
 .hero{padding-top:10px}
 .hero-grid{grid-template-columns:1fr;gap:22px}
 .hero-copy{padding:13px 0 0}
 h1{font-size:35px;letter-spacing:-1px}
 .hero-copy>p{font-size:14px}
 .hero-visual{min-height:270px}
 .visual-panel{right:14px;bottom:14px;width:190px}
 .section{padding:38px 0}
 .section-head{display:block;margin-bottom:19px}
 .section-head h2{font-size:24px}
 .section-head p{margin-top:9px}
 .filter-bar{display:grid;grid-template-columns:1fr 1fr}
 .field{min-width:0}
 .filter-actions{grid-column:1/-1}
 .filter-actions .btn{flex:1}
 .metric-grid{grid-template-columns:1fr 1fr}
 .metric{padding:17px 15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
 .metric:nth-child(2n){border-right:0}
 .metric:nth-last-child(-n+2){border-bottom:0}
 .metric strong{font-size:24px}
 .matrix,.faq-layout{grid-template-columns:1fr}
 .matrix-side{grid-template-columns:1fr 1fr}
 .cta{display:block;padding:25px 21px;margin:38px 0 45px}
 .cta .btn{margin-top:18px;width:100%}
 .footer-inner{display:block}
 .footer-links{margin-top:18px;gap:12px 17px}
}
@media(max-width:520px){
 .filter-bar{grid-template-columns:1fr}
 .filter-actions{grid-column:auto}
 .matrix-side{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .hero-facts{display:grid;gap:7px}
 .metric{padding:15px 12px}
 .metric-label{font-size:11px}
 .metric strong{font-size:21px}
}