/* roulang page: index */
:root{
      --blue:#2879c7;
      --blue-deep:#15558f;
      --blue-soft:#eaf4fd;
      --teal:#4d9d91;
      --amber:#c58c3c;
      --ink:#203246;
      --muted:#6d7d8e;
      --line:#dce7f0;
      --paper:#f6f9fc;
      --white:#fff;
      --radius:18px;
      --shadow:0 14px 40px rgba(32,65,96,.08);
      --shell:252px;
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--paper);
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      font-size:16px;
      line-height:1.8;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(40,121,199,.38);outline-offset:3px}
    .shell-nav{
      position:fixed;z-index:40;left:0;top:0;bottom:0;width:var(--shell);
      padding:26px 18px;display:flex;flex-direction:column;
      background:rgba(255,255,255,.97);border-right:1px solid var(--line);
      box-shadow:8px 0 30px rgba(30,70,100,.04)
    }
    .brand{display:flex;gap:12px;align-items:flex-start;padding:4px 10px 30px}
    .brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 18px rgba(40,121,199,.22)}
    .brand-name{font-size:16px;font-weight:800;line-height:1.35;letter-spacing:.02em}
    .brand-sub{font-size:11px;color:var(--muted);margin-top:3px}
    .nav-label{font-size:11px;color:#9aa9b8;letter-spacing:.14em;padding:0 12px 9px}
    .nav-list{display:grid;gap:7px}
    .nav-link{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:12px;color:#637486;transition:.2s ease;position:relative}
    .nav-link:hover{color:var(--blue-deep);background:#f1f7fc}
    .nav-link.active{color:var(--blue-deep);background:var(--blue-soft);font-weight:700}
    .nav-link.active:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--blue)}
    .nav-dot{width:8px;height:8px;border:2px solid currentColor;border-radius:50%;opacity:.7}
    .nav-foot{margin-top:auto;padding:16px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
    .status{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-weight:700;margin-bottom:7px}
    .status i{width:7px;height:7px;background:var(--teal);border-radius:50%;display:block}
    .mobile-bar{display:none}
    .page{margin-left:var(--shell);min-height:100vh}
    .container{width:min(1180px,calc(100% - 64px));margin:auto}
    .section{padding:78px 0}
    .hero{padding:70px 0 54px;background:#fff;border-bottom:1px solid var(--line)}
    .crumb{font-size:13px;color:var(--muted);margin-bottom:22px}
    .crumb span{color:var(--blue);font-weight:700}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(34px,4.2vw,54px);line-height:1.18;letter-spacing:-.045em;margin-bottom:22px}
    h2{font-size:clamp(26px,3vw,36px);line-height:1.3;letter-spacing:-.03em;margin-bottom:13px}
    h3{font-size:19px;line-height:1.4;margin-bottom:8px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:14px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}
    .lead{font-size:17px;color:var(--muted);max-width:680px;line-height:1.9;margin-bottom:28px}
    .actions{display:flex;gap:12px;flex-wrap:wrap}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:700;transition:.2s ease}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(40,121,199,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue-deep);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
    .hero-stage{min-height:300px;border:1px solid var(--line);border-radius:24px;background:#f4f9fd;padding:25px;position:relative;overflow:hidden}
    .hero-stage:after{content:"";position:absolute;right:-50px;bottom:-70px;width:220px;height:220px;border:28px solid rgba(40,121,199,.08);border-radius:50%}
    .stage-top{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-bottom:24px}
    .stage-panel{background:#fff;border:1px solid var(--line);border-radius:15px;padding:21px;position:relative;z-index:1;box-shadow:var(--shadow)}
    .stage-title{font-size:23px;font-weight:800;line-height:1.35;margin-bottom:20px}
    .stage-row{display:flex;align-items:center;gap:11px;margin:14px 0;color:#56697a;font-size:13px}
    .stage-line{height:8px;border-radius:8px;background:#e9f0f5;flex:1;overflow:hidden}
    .stage-line b{display:block;height:100%;background:var(--blue);border-radius:8px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section-note{color:var(--muted);max-width:620px;margin:0}
    .metric-layout{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:16px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:var(--shadow);min-height:154px}
    .metric.primary{background:var(--blue-deep);color:#fff;border-color:var(--blue-deep);grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between}
    .metric-label{font-size:13px;color:var(--muted);font-weight:700}
    .primary .metric-label{color:#c9e2f5}
    .metric-number{font-size:42px;font-weight:800;line-height:1;margin:12px 0 8px;letter-spacing:-.05em}
    .metric small{color:var(--muted);font-size:12px}.primary small{color:#c9e2f5}
    .trend{height:4px;background:#e8f1f7;border-radius:5px;margin-top:18px;overflow:hidden}.trend b{display:block;height:100%;background:var(--teal);width:72%}
    .primary .trend{background:rgba(255,255,255,.2)}.primary .trend b{background:#9ed9cb}
    .matrix{display:grid;grid-template-columns:230px 1fr;gap:25px}
    .matrix-tabs{display:flex;flex-direction:column;gap:8px}
    .matrix-tab{padding:14px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--muted);text-align:left;transition:.2s}
    .matrix-tab:hover,.matrix-tab.active{color:var(--blue-deep);border-color:#acd0ea;background:var(--blue-soft)}
    .matrix-content{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .matrix-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.2s}
    .matrix-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b6d6eb}
    .tags{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}
    .tag{display:inline-flex;padding:3px 9px;border-radius:99px;background:#edf6f7;color:#37796e;font-size:12px}
    .tag.blue{background:var(--blue-soft);color:var(--blue-deep)}
    .matrix-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;align-items:center}
    .text-link{color:var(--blue);font-weight:700}
    .news-grid{display:grid;grid-template-columns:1fr 310px;gap:18px}
    .news-list,.news-side{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px 22px}
    .news-item{display:flex;gap:20px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border:0}.news-date{color:var(--blue);font-size:12px;font-weight:700;min-width:72px}.news-item p{margin:0;color:var(--ink);font-weight:650;font-size:15px}
    .news-side{padding:23px}.news-side p{font-size:14px;color:var(--muted);margin-bottom:15px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .compare-card{padding:28px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
    .compare-card.good{background:#f0f8f7;border-color:#c8e3dd}
    .compare-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
    .compare-title strong{font-size:20px}.state{font-size:12px;padding:4px 9px;border-radius:99px;background:#f1f3f5;color:var(--muted)}.good .state{background:#d9eee8;color:#327c6e}
    .bar{margin:18px 0}.bar-head{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}.bar-track{height:9px;background:#e6edf2;border-radius:9px}.bar-track span{display:block;height:100%;border-radius:9px;background:#aebdca}.good .bar-track span{background:var(--teal)}
    .faq{max-width:850px;margin:auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:13px;margin:10px 0;padding:0 20px;box-shadow:0 5px 18px rgba(30,70,100,.035)}.faq summary{cursor:pointer;list-style:none;padding:17px 28px 17px 0;font-weight:700;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px;top:14px}.faq details[open] summary:after{content:"−"}.faq details p{color:var(--muted);font-size:14px;padding:0 0 17px;margin:0}
    .form-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:start;background:#eaf4fc;border:1px solid #cfe3f2;border-radius:24px;padding:34px}
    .form-copy p{color:var(--muted);font-size:14px}.notice{font-size:12px;color:#728292;border-left:3px solid #9fc4dd;padding-left:12px}
    .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:13px;font-weight:700}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 13px;color:var(--ink);transition:.2s}.field textarea{min-height:100px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(40,121,199,.12);outline:0}.form-submit{display:flex;align-items:center;gap:13px;margin-top:5px}.form-message{font-size:13px;color:var(--teal);display:none}.form-message.show{display:block}
    footer{padding:34px 0;background:#203b54;color:#c7d7e4}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}.footer-brand{font-weight:800;color:#fff}.footer-links{display:flex;gap:18px;font-size:13px;color:#b7cad8}.footer-links a:hover{color:#fff}.copyright{font-size:12px;color:#9eb3c2}
    .top-btn{position:fixed;right:22px;bottom:22px;border:1px solid var(--line);background:#fff;color:var(--blue);width:42px;height:42px;border-radius:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:30}.top-btn.visible{opacity:1;pointer-events:auto}
    .overlay{display:none}
    @media(max-width:1023px){
      .shell-nav{display:none}.page{margin-left:0}.mobile-bar{display:flex;position:fixed;top:0;left:0;right:0;height:68px;background:#fff;border-bottom:1px solid var(--line);z-index:45;align-items:center;justify-content:space-between;padding:0 18px}.mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:14px}.mobile-brand .brand-mark{width:30px;height:30px;font-size:13px}.mobile-current{font-size:13px;color:var(--muted)}.menu-btn{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--blue);font-size:22px}.mobile-drawer{display:block;position:fixed;z-index:50;top:0;right:-290px;bottom:0;width:280px;background:#fff;padding:28px 20px;transition:.25s;box-shadow:-10px 0 30px rgba(0,0,0,.12)}.mobile-drawer.open{right:0}.drawer-close{float:right;border:0;background:none;font-size:24px;color:var(--muted)}.drawer-nav{clear:both;padding-top:35px;display:grid;gap:8px}.overlay.open{display:block;position:fixed;z-index:48;inset:0;background:rgba(22,42,58,.35)}.hero{padding-top:118px}
    }
    @media(max-width:767px){
      .container{width:min(100% - 36px,600px)}.section{padding:52px 0}.hero{padding-bottom:35px}.hero-grid,.matrix,.news-grid,.form-wrap{grid-template-columns:1fr;gap:26px}.hero-stage{min-height:260px}.metric-layout{grid-template-columns:1fr 1fr}.metric.primary{grid-column:1/-1;grid-row:auto;min-height:180px}.matrix-content,.compare{grid-template-columns:1fr}.section-head{display:block}.section-note{margin-top:8px}.news-side{order:-1}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-inner{display:block}.footer-links{margin:16px 0;flex-wrap:wrap}
    }
    @media(max-width:520px){
      h1{font-size:32px}.lead{font-size:15px}.metric-layout{gap:10px}.metric{padding:18px;min-height:135px}.metric-number{font-size:32px}.metric small{font-size:11px}.matrix-card,.compare-card{padding:20px}.news-list{padding:5px 16px}.news-item{gap:10px;display:block}.news-date{display:block;margin-bottom:3px}.form-wrap{padding:23px 18px}.actions .btn{width:100%}
    }

/* roulang page: category2 */
:root{
      --blue:#2879c7;--blue-deep:#15558f;--blue-soft:#eaf4fd;
      --teal:#4d9d91;--amber:#c58c3c;--ink:#203246;--muted:#6d7d8e;
      --line:#dce7f0;--paper:#f6f9fc;--white:#fff;--radius:18px;
      --shadow:0 14px 40px rgba(32,65,96,.08);--shell:252px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(40,121,199,.38);outline-offset:3px}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(32px,4vw,48px);line-height:1.25;letter-spacing:-.04em;margin-bottom:18px}
    h2{font-size:clamp(25px,3vw,34px);line-height:1.3;letter-spacing:-.03em;margin-bottom:12px}
    h3{font-size:20px;line-height:1.4;margin-bottom:8px}
    .shell-nav{position:fixed;z-index:40;left:0;top:0;bottom:0;width:var(--shell);padding:26px 18px;display:flex;flex-direction:column;background:rgba(255,255,255,.98);border-right:1px solid var(--line);box-shadow:8px 0 30px rgba(30,70,100,.04)}
    .brand{display:flex;gap:12px;align-items:flex-start;padding:4px 10px 30px}
    .brand-mark{width:36px;height:36px;flex:none;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 18px rgba(40,121,199,.22)}
    .brand-name{font-size:16px;font-weight:800;line-height:1.35;letter-spacing:.02em}
    .brand-sub{font-size:11px;color:var(--muted);margin-top:3px}
    .nav-label{font-size:11px;color:#9aa9b8;letter-spacing:.14em;padding:0 12px 9px}
    .nav-list{display:grid;gap:7px}
    .nav-link{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:12px;color:#637486;transition:.2s ease;position:relative}
    .nav-link:hover{color:var(--blue-deep);background:#f1f7fc}
    .nav-link.active{color:var(--blue-deep);background:var(--blue-soft);font-weight:700}
    .nav-link.active:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--blue)}
    .nav-dot{width:8px;height:8px;border:2px solid currentColor;border-radius:50%;opacity:.7}
    .nav-foot{margin-top:auto;padding:16px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
    .mobile-bar{display:none}
    .main{margin-left:var(--shell);min-height:100vh}
    .container{width:min(1180px,calc(100% - 64px));margin:auto}
    .title-zone{padding:64px 0 42px;background:#fff;border-bottom:1px solid var(--line)}
    .crumbs{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:20px}
    .crumbs a{color:var(--blue);font-weight:700}
    .title-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}
    .lead{font-size:17px;color:var(--muted);max-width:720px;line-height:1.9;margin-bottom:0}
    .status-card{background:#f4f9fd;border:1px solid #d5e6f2;border-radius:20px;padding:22px 24px}
    .status-top{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin-bottom:14px}
    .status-number{font-size:32px;font-weight:800;color:var(--blue-deep);line-height:1.2}
    .status-note{font-size:13px;color:var(--muted)}
    .section{padding:70px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}
    .section-note{color:var(--muted);max-width:620px;margin:0}
    .shelf{display:grid;grid-template-columns:1.45fr .78fr .78fr;gap:16px}
    .feature-card,.small-card,.directory,.faq-box,.cta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 5px 20px rgba(30,70,100,.035)}
    .feature-card{min-height:270px;padding:28px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#f0f8fd 100%)}
    .feature-card:after{content:"";position:absolute;width:180px;height:180px;border:24px solid rgba(40,121,199,.07);border-radius:50%;right:-50px;bottom:-65px}
    .small-card{padding:22px;min-height:270px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}
    .small-card:hover,.feature-card:hover,.directory:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#b7d7eb}
    .card-kicker{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.08em}
    .card-title{font-size:23px;font-weight:800;line-height:1.45;margin:12px 0}
    .small-card .card-title{font-size:18px}
    .card-copy{font-size:14px;color:var(--muted);line-height:1.75}
    .tags{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0}
    .tag{display:inline-flex;padding:3px 10px;border-radius:99px;background:#edf6f7;color:#37796e;font-size:12px}
    .tag.blue{background:var(--blue-soft);color:var(--blue-deep)}
    .tag.amber{background:#fff6e8;color:#956822}
    .text-link{color:var(--blue);font-weight:700;font-size:14px}
    .directory-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
    .tag-panel{padding:26px;background:#f0f7fb;border:1px solid #d6e7f1;border-radius:var(--radius)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
    .tag-pill{border:1px solid #cfe0eb;background:#fff;border-radius:11px;padding:8px 12px;color:#4e687b;font-size:14px;transition:.2s}
    .tag-pill:hover,.tag-pill.selected{background:var(--blue-soft);border-color:#94c5e6;color:var(--blue-deep);font-weight:700}
    .directory{padding:10px 24px}
    .directory-row{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}
    .directory-row:last-child{border-bottom:0}
    .row-index{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.08em}
    .row-title{font-weight:750}
    .row-note{display:block;color:var(--muted);font-size:13px;margin-top:2px}
    .row-date{font-size:12px;color:var(--muted);white-space:nowrap}
    .info-band{background:#eef7f7;border-top:1px solid #d6e9e5;border-bottom:1px solid #d6e9e5}
    .info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .info-item{padding:22px 0}
    .info-num{color:var(--teal);font-size:24px;font-weight:800}
    .info-item p{color:var(--muted);font-size:14px;margin:3px 0 0}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:13px;margin:10px 0;padding:0 20px;box-shadow:0 5px 18px rgba(30,70,100,.035)}
    .faq summary{cursor:pointer;list-style:none;padding:17px 28px 17px 0;font-weight:700;position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px;top:14px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);font-size:14px;padding:0 0 17px;margin:0}
    .cta-box{padding:34px;display:flex;justify-content:space-between;gap:26px;align-items:center;background:#eaf4fc;border-color:#cfe3f2}
    .cta-box p{color:var(--muted);font-size:14px;margin:5px 0 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:11px;border:1px solid transparent;font-weight:700;transition:.2s ease;white-space:nowrap}
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(40,121,199,.2)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .btn-light{background:#fff;color:var(--blue-deep);border-color:var(--line)}
    .btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
    footer{border-top:1px solid var(--line);background:#fff}
    .footer-inner{min-height:110px;padding:28px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}
    .footer-brand{font-weight:800;font-size:15px}
    .copyright{color:var(--muted);font-size:12px;margin-top:4px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#627587;font-size:13px}
    .footer-links a:hover{color:var(--blue)}
    .top-btn{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--blue);box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:20}
    .top-btn.show{opacity:1;pointer-events:auto}
    @media(max-width:1023px){
      .shell-nav{display:none}.mobile-bar{height:68px;display:flex;position:fixed;z-index:45;top:0;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 18px}
      .mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800}.mobile-mark{width:31px;height:31px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center}
      .menu-btn{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--blue-deep);font-size:20px}
      .main{margin-left:0;padding-top:68px}.container{width:min(100% - 40px,1180px)}
      .drawer{display:none;position:fixed;z-index:50;top:0;right:0;bottom:0;width:min(310px,88vw);background:#fff;padding:28px 22px;box-shadow:-12px 0 35px rgba(20,55,80,.15)}
      .drawer.open{display:block}.drawer-close{float:right;border:0;background:transparent;font-size:28px;color:var(--muted)}
      .drawer .brand{clear:both;padding-top:35px}.drawer-backdrop{display:none;position:fixed;z-index:49;inset:0;background:rgba(24,47,66,.28)}.drawer-backdrop.open{display:block}
    }
    @media(max-width:760px){
      .title-zone{padding:40px 0 30px}.title-layout,.directory-wrap{grid-template-columns:1fr;gap:24px}.shelf{grid-template-columns:1fr}.feature-card,.small-card{min-height:220px}
      .section{padding:50px 0}.section-head{display:block}.section-note{margin-top:8px}.info-grid{grid-template-columns:1fr;gap:0}.info-item{padding:15px 0}
      .cta-box{display:block;padding:26px}.cta-box .btn{margin-top:20px}.footer-inner{display:block}.footer-links{margin-top:18px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}h1{font-size:30px}.lead{font-size:15px}.directory{padding:8px 16px}.directory-row{grid-template-columns:52px 1fr;gap:8px}.row-date{grid-column:2}.tag-panel{padding:20px}
      .top-btn{right:16px;bottom:16px}
    }

/* roulang page: category1 */
:root{
 --blue:#2879c7;--blue-deep:#15558f;--blue-soft:#eaf4fd;--teal:#4d9d91;
 --amber:#c58c3c;--ink:#203246;--muted:#6d7d8e;--line:#dce7f0;
 --paper:#f6f9fc;--white:#fff;--radius:18px;
 --shadow:0 14px 40px rgba(32,65,96,.08);--shell:252px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(40,121,199,.35);outline-offset:3px}
.shell-nav{position:fixed;z-index:40;left:0;top:0;bottom:0;width:var(--shell);padding:26px 18px;display:flex;flex-direction:column;background:rgba(255,255,255,.97);border-right:1px solid var(--line);box-shadow:8px 0 30px rgba(30,70,100,.04)}
.brand{display:flex;gap:12px;align-items:flex-start;padding:4px 10px 30px}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800;box-shadow:0 8px 18px rgba(40,121,199,.22);flex:none}
.brand-name{font-size:16px;font-weight:800;line-height:1.35;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--muted);margin-top:3px}
.nav-label{font-size:11px;color:#9aa9b8;letter-spacing:.14em;padding:0 12px 9px}
.nav-list{display:grid;gap:7px}
.nav-link{display:flex;align-items:center;gap:11px;padding:12px 13px;border-radius:12px;color:#637486;transition:.2s ease;position:relative}
.nav-link:hover{color:var(--blue-deep);background:#f1f7fc}
.nav-link.active{color:var(--blue-deep);background:var(--blue-soft);font-weight:700}
.nav-link.active:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--blue)}
.nav-dot{width:8px;height:8px;border:2px solid currentColor;border-radius:50%;opacity:.7}
.nav-foot{margin-top:auto;padding:16px 12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
.mobile-bar{display:none}
.main{margin-left:var(--shell);min-height:100vh}
.container{width:min(1180px,calc(100% - 64px));margin:auto}
.page-head{padding:62px 0 42px;background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.breadcrumb a{color:var(--blue);font-weight:700}
.head-grid{display:grid;grid-template-columns:1fr 300px;gap:44px;align-items:end}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue-deep);font-size:13px;font-weight:800;letter-spacing:.12em;margin-bottom:12px}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--blue)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(32px,4vw,48px);line-height:1.25;letter-spacing:-.04em;margin-bottom:18px}
h2{font-size:30px;line-height:1.35;letter-spacing:-.025em;margin-bottom:10px}
h3{font-size:19px;line-height:1.45;margin-bottom:8px}
.lead{font-size:17px;color:var(--muted);max-width:720px;line-height:1.9;margin-bottom:0}
.status-card{padding:21px;background:#f4f9fd;border:1px solid #cfe3f2;border-radius:16px}
.status-label{color:var(--muted);font-size:12px;margin-bottom:8px}
.status-value{font-size:24px;font-weight:800;color:var(--blue-deep);line-height:1.3}
.status-line{height:7px;border-radius:8px;background:#dcebf5;margin-top:16px;overflow:hidden}
.status-line span{display:block;width:76%;height:100%;background:var(--teal);border-radius:8px}
.section{padding:58px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.section-note{color:var(--muted);max-width:600px;margin:0;font-size:14px}
.filter-bar{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr auto;gap:11px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 25px rgba(30,70,100,.04);margin-bottom:24px}
.field{min-width:0}
.field label{display:block;color:var(--muted);font-size:12px;margin:0 0 5px 2px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:10px 12px;color:var(--ink);transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(40,121,199,.12);outline:0}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:10px;border:1px solid transparent;font-weight:700;transition:.2s ease;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(40,121,199,.2)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--blue-deep);border-color:var(--line)}
.btn-light:hover{border-color:var(--blue);background:var(--blue-soft)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.content-layout{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:22px;align-items:start}
.index-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:7px 23px}
.index-item{display:grid;grid-template-columns:54px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);transition:.2s}
.index-item:last-child{border-bottom:0}
.index-item:hover{padding-left:7px;padding-right:7px;background:#fbfdff}
.index-no{font-size:22px;font-weight:800;color:#aac3d5}
.item-title{font-size:17px;font-weight:800;margin-bottom:4px}
.item-summary{color:var(--muted);font-size:13px;margin:0}
.item-meta{display:flex;gap:8px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:12px;margin-top:8px}
.tag{display:inline-flex;padding:3px 9px;border-radius:99px;background:#edf6f7;color:#37796e;font-size:12px}
.tag.blue{background:var(--blue-soft);color:var(--blue-deep)}
.tag.amber{background:#fff5e8;color:#966725}
.state-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;margin-right:5px}
.side-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:sticky;top:26px}
.side-panel h3{font-size:18px;margin-bottom:15px}
.side-list{display:grid;gap:8px}
.side-list a{display:flex;justify-content:space-between;padding:9px 10px;border-radius:9px;color:#607387;font-size:14px}
.side-list a:hover,.side-list a.active{background:var(--blue-soft);color:var(--blue-deep)}
.side-list em{font-style:normal;color:#9aa9b8;font-size:12px}
.divider{height:1px;background:var(--line);margin:22px 0}
.empty-state{padding:22px 0 8px;color:var(--muted);font-size:13px}
.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:19px;color:var(--muted);font-size:13px}
.page-buttons{display:flex;gap:6px}
.page-buttons button{width:36px;height:36px;border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--muted)}
.page-buttons button.active{background:var(--blue);border-color:var(--blue);color:#fff}
.notice{background:#f0f8f7;border:1px solid #c9e3dd;border-radius:16px;padding:22px 25px;display:flex;gap:15px;align-items:flex-start}
.notice-mark{width:28px;height:28px;border-radius:9px;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:800;flex:none}
.notice p{margin:0;color:#52756f;font-size:14px}
.faq{max-width:850px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:13px;margin:10px 0;padding:0 20px;box-shadow:0 5px 18px rgba(30,70,100,.035)}
.faq summary{cursor:pointer;list-style:none;padding:17px 28px 17px 0;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"＋";position:absolute;right:0;color:var(--blue);font-size:20px;top:14px}
.faq details[open] summary:after{content:"−"}
.faq details p{color:var(--muted);font-size:14px;padding:0 0 17px;margin:0}
.cta{background:#eaf4fc;border:1px solid #cfe3f2;border-radius:22px;padding:28px 32px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta p{color:var(--muted);font-size:14px;margin:5px 0 0}
footer{border-top:1px solid var(--line);background:#fff}
.footer-inner{min-height:108px;display:flex;justify-content:space-between;align-items:center;gap:25px}
.footer-brand{font-weight:800}
.copyright{color:var(--muted);font-size:12px;margin-top:5px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#607387;font-size:13px}
.footer-links a:hover{color:var(--blue)}
.top-btn{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:1px solid var(--line);background:#fff;color:var(--blue-deep);border-radius:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s}
.top-btn.show{opacity:1;pointer-events:auto}
.drawer-mask{display:none}
@media(max-width:1023px){
 .shell-nav{display:none}.main{margin-left:0;padding-top:66px}.mobile-bar{display:flex;position:fixed;z-index:50;top:0;left:0;right:0;height:66px;background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 18px;box-shadow:0 5px 20px rgba(30,70,100,.05)}
 .mobile-brand{display:flex;align-items:center;gap:9px;font-size:14px;font-weight:800}.mobile-mark{width:30px;height:30px;border-radius:9px;background:var(--blue);color:#fff;display:grid;place-items:center}
 .menu-btn{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--blue-deep);font-size:20px}
 .drawer-mask.open{display:block;position:fixed;z-index:60;inset:0;background:rgba(25,52,75,.28)}
 .drawer-mask.open .drawer{transform:translateX(0)}
 .drawer{position:absolute;left:0;top:0;bottom:0;width:min(300px,84vw);background:#fff;padding:25px 18px;transform:translateX(-100%);transition:.25s;box-shadow:8px 0 28px rgba(20,50,80,.16)}
 .drawer-close{float:right;border:0;background:none;color:var(--muted);font-size:25px}
 .drawer .brand{clear:both;padding-top:26px}
 .container{width:min(100% - 40px,900px)}
 .filter-bar{grid-template-columns:repeat(2,1fr)}
 .filter-bar .field:first-child{grid-column:1/-1}
 .content-layout{grid-template-columns:1fr}
 .side-panel{position:static;order:-1}
}
@media(max-width:640px){
 body{font-size:15px}.container{width:calc(100% - 32px)}
 .page-head{padding:38px 0 30px}h1{font-size:32px}h2{font-size:25px}.lead{font-size:15px}
 .head-grid{grid-template-columns:1fr;gap:22px}.section{padding:42px 0}.section-head{display:block}
 .section-note{margin-top:8px}.filter-bar{display:block;padding:13px}.filter-bar .field{margin-bottom:10px}.filter-bar .btn{width:100%}
 .index-list{padding:4px 15px}.index-item{grid-template-columns:34px 1fr;gap:10px;padding:18px 0}.index-item .item-action{grid-column:2;justify-self:start}.index-no{font-size:17px}
 .item-title{font-size:15px}.item-summary{font-size:12px}.pagination{display:block}.page-buttons{margin-top:12px}
 .notice{padding:18px}.cta{display:block;padding:23px}.cta .btn{width:100%;margin-top:17px}
 .footer-inner{display:block;padding:25px 0}.footer-links{margin-top:15px;gap:12px}
}