/* roulang page: index */
:root{
      --blue:#2c6f9f;
      --blue-deep:#174b70;
      --blue-soft:#eaf4fa;
      --cyan:#76b8c7;
      --ink:#203746;
      --muted:#6b7d88;
      --paper:#fbfdfe;
      --line:#dce8ed;
      --warm:#f4f7f6;
      --shadow:0 18px 50px rgba(35,76,98,.10);
      --shadow-sm:0 8px 24px rgba(35,76,98,.08);
      --radius:22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(44,111,159,.35);outline-offset:3px}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(251,253,254,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,237,.8);transition:.25s}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);font-size:18px}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:var(--blue);position:relative;box-shadow:0 8px 18px rgba(44,111,159,.22)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:14px;height:14px;left:8px;top:6px}
    .brand-mark:after{width:20px;height:8px;left:5px;bottom:6px;border-bottom:0;border-radius:12px 12px 0 0}
    .desktop-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link{padding:9px 14px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue-deep)}
    .lang-switch{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;color:var(--muted);font-size:12px}
    .lang-switch span{padding:5px 9px;border-radius:999px}
    .lang-switch .current{background:var(--blue-soft);color:var(--blue-deep);font-weight:700}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 9px 20px rgba(44,111,159,.18)}
    .nav-cta{padding:10px 17px;border-radius:12px;font-size:14px;font-weight:700;transition:.2s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 11px;color:var(--blue-deep)}
    .mobile-nav{display:none;padding:0 0 18px}
    .mobile-nav.open{display:grid;gap:6px}
    .hero{padding:78px 0 54px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:420px;height:420px;right:-170px;top:-180px;background:#eaf4fa;border-radius:50%;z-index:-1}
    .hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.12;letter-spacing:-.065em;margin:18px 0 24px;color:var(--blue-deep)}
    .hero-copy{font-size:17px;line-height:1.9;color:var(--muted);max-width:610px}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
    .btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;font-size:14px;font-weight:800;transition:.2s}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--blue-deep)}
    .btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .hero-notes{display:flex;gap:24px;flex-wrap:wrap;margin-top:35px;color:var(--muted);font-size:13px}
    .hero-notes strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
    .hero-panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:25px;box-shadow:var(--shadow);position:relative}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .status{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;background:#eef8f5;color:#277764;font-size:12px;font-weight:700}
    .status i{width:7px;height:7px;border-radius:50%;background:#42a98c}
    .panel-title{font-size:24px;line-height:1.35;color:var(--blue-deep);font-weight:800;margin-bottom:22px}
    .topic-feature{min-height:175px;border-radius:19px;padding:20px;color:#fff;background:linear-gradient(135deg,#3d83ae,#83bec7);position:relative;overflow:hidden}
    .topic-feature:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.35);border-radius:50%;right:-35px;bottom:-85px}
    .topic-feature small{opacity:.82}
    .topic-feature h3{font-size:25px;line-height:1.3;max-width:270px;margin:13px 0 20px}
    .panel-list{display:grid;gap:12px;margin-top:15px}
    .panel-row{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:9px 0;font-size:13px}
    .panel-row:last-child{border-bottom:0}
    .panel-row span{color:var(--muted)}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.05em;color:var(--blue-deep);margin:10px 0 0}
    .section-head p{max-width:510px;color:var(--muted);margin:0;font-size:15px}
    .service-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:17px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service-main{padding:31px;min-height:265px;display:flex;flex-direction:column;justify-content:space-between;border-top:4px solid var(--blue)}
    .service-main h3{font-size:28px;line-height:1.35;color:var(--blue-deep);margin:0 0 12px}
    .service-main p,.service-small p{color:var(--muted);font-size:14px}
    .service-small{padding:25px;display:flex;flex-direction:column;justify-content:space-between;min-height:265px}
    .service-small h3{font-size:19px;color:var(--blue-deep);margin:12px 0 8px}
    .tag{display:inline-flex;width:max-content;background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:4px 9px;font-size:11px;font-weight:800}
    .arrow{color:var(--blue);font-size:21px}
    .data-band{background:#f0f6f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:33px 0}
    .data-grid{display:grid;grid-template-columns:repeat(4,1fr)}
    .metric{padding:0 28px;border-right:1px solid #cfdfe5}
    .metric:first-child{padding-left:0}.metric:last-child{border:0}
    .metric strong{font-size:34px;line-height:1.1;color:var(--blue-deep);display:block;letter-spacing:-.05em}
    .metric span{font-size:13px;color:var(--muted);display:block;margin-top:8px}
    .feature-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
    .feature-card{min-height:290px;padding:30px;background:linear-gradient(135deg,#e5f3f8,#f8fbfc);border:1px solid var(--line);border-radius:var(--radius);position:relative;overflow:hidden}
    .feature-card:after{content:"精选主题";position:absolute;right:-10px;bottom:25px;font-size:72px;font-weight:900;color:rgba(44,111,159,.07);letter-spacing:-.09em}
    .feature-card h3{font-size:30px;max-width:440px;line-height:1.3;color:var(--blue-deep);margin:18px 0 12px}
    .feature-card p,.mini-feature p{color:var(--muted);font-size:14px;max-width:500px}
    .mini-stack{display:grid;gap:18px}
    .mini-feature{padding:23px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .mini-feature h3{font-size:19px;color:var(--blue-deep);margin:10px 0 6px}
    .path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
    .step{padding:28px 25px;min-height:180px;border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-num{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.1em}
    .step h3{font-size:18px;color:var(--blue-deep);margin:20px 0 8px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;align-items:start}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .faq-question{width:100%;padding:18px 20px;background:none;border:0;display:flex;justify-content:space-between;text-align:left;color:var(--blue-deep);font-weight:800}
    .faq-question span:last-child{font-size:22px;color:var(--blue);transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);font-size:14px;transition:max-height .3s,padding .3s}
    .faq-item.open .faq-answer{max-height:180px;padding:0 20px 18px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .contact-section{padding:78px 0}
    .contact-box{display:grid;grid-template-columns:.85fr 1.15fr;gap:50px;background:#eaf4fa;border:1px solid #d3e7ee;border-radius:28px;padding:43px}
    .contact-box h2{font-size:34px;line-height:1.3;color:var(--blue-deep);margin:12px 0}
    .contact-box p{color:var(--muted);font-size:14px}
    .contact-links{display:grid;gap:11px;margin-top:25px;font-size:14px;color:var(--blue-deep);font-weight:700}
    .contact-links a:hover{text-decoration:underline}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    .field label{font-size:12px;font-weight:800;color:var(--blue-deep)}
    .field input,.field select,.field textarea{width:100%;border:1px solid #cbdfe7;border-radius:11px;background:#fff;color:var(--ink);padding:11px 13px;outline:0;transition:.2s}
    .field textarea{min-height:106px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#9aabb3}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(44,111,159,.11)}
    .form-foot{display:flex;align-items:center;gap:14px;margin-top:16px;flex-wrap:wrap}
    .form-note{font-size:11px;color:var(--muted)}
    .site-footer{background:#173f5d;color:#d8e7ee;padding:48px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:45px;padding-bottom:35px;border-bottom:1px solid rgba(216,231,238,.18)}
    .footer-brand{color:#fff;font-size:18px;font-weight:800}
    .footer-copy{font-size:13px;color:#abc5d0;max-width:320px;margin-top:13px}
    .footer-title{color:#fff;font-size:13px;font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px;font-size:13px;color:#abc5d0}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#9bb9c6}
    .floating-bar{position:fixed;right:24px;bottom:22px;z-index:20;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:15px;padding:9px 10px 9px 15px;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--blue-deep)}
    .floating-bar strong{display:block;font-size:13px}
    .floating-bar .btn-primary{min-height:37px;padding:0 13px;border-radius:10px;font-size:12px}
    @media(max-width:1024px){
      .hero-grid{gap:35px}.service-grid{grid-template-columns:1fr 1fr}.service-main{grid-row:span 2}
      .feature-layout{grid-template-columns:1fr}.faq-wrap{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}.nav-wrap{height:68px}.desktop-nav{display:none}.menu-btn{display:block}
      .hero{padding:50px 0 35px}.hero-grid{grid-template-columns:1fr;gap:35px}h1{font-size:42px}
      .section{padding:66px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .service-grid{grid-template-columns:1fr}.service-main{grid-row:auto}.data-grid{grid-template-columns:1fr 1fr;gap:25px}
      .metric{padding:0 16px}.metric:nth-child(odd){padding-left:0}.metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){padding-bottom:20px;border-bottom:1px solid #cfdfe5}.path{grid-template-columns:1fr 1fr}
      .step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .faq-wrap{grid-template-columns:1fr}.contact-box{grid-template-columns:1fr;padding:28px;gap:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}
      .floating-bar{left:15px;right:15px;bottom:14px;justify-content:space-between}
    }
    @media(max-width:520px){
      h1{font-size:36px}.hero-copy{font-size:15px}.actions>*{width:100%}.hero-panel{padding:18px}
      .panel-title{font-size:21px}.data-grid{gap:18px}.metric strong{font-size:28px}.path{grid-template-columns:1fr}
      .step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}
      .form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}.copyright{padding-bottom:50px}
    }

/* roulang page: category2 */
:root{
      --blue:#2c6f9f;--blue-deep:#174b70;--blue-soft:#eaf4fa;--cyan:#76b8c7;
      --ink:#203746;--muted:#6b7d88;--paper:#fbfdfe;--line:#dce8ed;--warm:#f4f7f6;
      --shadow:0 18px 50px rgba(35,76,98,.10);--shadow-sm:0 8px 24px rgba(35,76,98,.08);
      --radius:22px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(251,253,254,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,237,.85)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);font-size:18px}
    .brand-mark{width:34px;height:34px;border-radius:12px;background:var(--blue);position:relative;box-shadow:0 8px 18px rgba(44,111,159,.22)}
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
    .brand-mark:before{width:14px;height:14px;left:8px;top:6px}
    .brand-mark:after{width:20px;height:8px;left:5px;bottom:6px;border-bottom:0;border-radius:12px 12px 0 0}
    .desktop-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
    .nav-link{padding:9px 14px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
    .nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue-deep)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 9px 20px rgba(44,111,159,.18)}
    .nav-cta{padding:10px 17px;border-radius:12px;font-size:14px;font-weight:700;transition:.2s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
    .lang-switch{display:flex;gap:3px;padding:4px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}
    .lang-switch span{padding:4px 9px;border-radius:999px}
    .lang-switch .current{background:var(--blue-soft);color:var(--blue-deep);font-weight:700}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 11px;color:var(--blue-deep)}
    .mobile-nav{display:none;padding:0 0 18px}
    .mobile-nav.open{display:grid;gap:6px}
    .hero{padding:72px 0 50px;background:linear-gradient(180deg,#f4f9fb 0%,var(--paper) 100%)}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.14em}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(36px,5vw,62px);line-height:1.18;letter-spacing:-.065em;color:var(--blue-deep);margin:14px 0 20px}
    .hero-copy{font-size:17px;color:var(--muted);max-width:630px;line-height:1.95}
    .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;font-size:14px;font-weight:800;transition:.2s}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--blue-deep)}
    .btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
    .guide-panel{background:#fff;border:1px solid var(--line);border-radius:28px;padding:25px;box-shadow:var(--shadow)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .panel-title{font-size:23px;line-height:1.35;color:var(--blue-deep);font-weight:800}
    .status{display:inline-flex;align-items:center;gap:6px;color:#397d69;background:#edf8f4;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:800}
    .status:before{content:"";width:6px;height:6px;border-radius:50%;background:#51a98a}
    .guide-list{display:grid;gap:10px}
    .guide-row{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
    .guide-row:last-child{border-bottom:0}
    .guide-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:13px;background:var(--blue-soft);color:var(--blue);font-weight:800}
    .guide-row strong{display:block;color:var(--blue-deep);font-size:14px}
    .guide-row small{color:var(--muted);font-size:12px}
    .section{padding:88px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.05em;color:var(--blue-deep);margin:10px 0 0}
    .section-head p{max-width:510px;color:var(--muted);margin:0;font-size:15px}
    .notice-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .notice-main{padding:32px;border-top:4px solid var(--blue);min-height:250px}
    .notice-main h3{font-size:27px;color:var(--blue-deep);margin:16px 0 10px}
    .notice-main p,.notice-side p{font-size:14px;color:var(--muted)}
    .notice-side{padding:25px;display:grid;align-content:center;gap:16px}
    .notice-side h3{font-size:20px;color:var(--blue-deep);margin:0}
    .tag{display:inline-flex;width:max-content;background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:4px 10px;font-size:11px;font-weight:800}
    .rule-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .rule-card{padding:25px}
    .rule-no{font-size:13px;color:var(--cyan);font-weight:900;letter-spacing:.1em}
    .rule-card h3{font-size:19px;color:var(--blue-deep);margin:15px 0 8px}
    .rule-card p{font-size:14px;color:var(--muted);margin:0}
    .path{background:#f0f6f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .path-item{padding:28px 22px;border-right:1px solid var(--line)}
    .path-item:last-child{border-right:0}
    .path-item b{display:block;font-size:28px;color:var(--blue);margin-bottom:8px}
    .path-item strong{display:block;color:var(--blue-deep);font-size:16px}
    .path-item span{font-size:13px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px;align-items:start}
    .faq-intro p{font-size:15px;color:var(--muted)}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .faq-question{width:100%;padding:18px 20px;text-align:left;border:0;background:transparent;color:var(--blue-deep);font-weight:800;display:flex;justify-content:space-between;gap:20px}
    .faq-question span:last-child{color:var(--blue);font-size:20px;transition:.2s}
    .faq-answer{max-height:0;overflow:hidden;padding:0 20px;color:var(--muted);font-size:14px;transition:max-height .3s,padding .3s}
    .faq-item.open .faq-answer{max-height:160px;padding:0 20px 18px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta-box{background:var(--blue-soft);border:1px solid #cfe4ed;border-radius:28px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:40px}
    .cta-box h2{font-size:31px;line-height:1.3;color:var(--blue-deep);margin:10px 0 14px}
    .cta-box p{color:var(--muted);font-size:14px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{display:grid;gap:6px}
    .field.full{grid-column:1/-1}
    label{font-size:12px;font-weight:800;color:var(--blue-deep)}
    input,select,textarea{width:100%;border:1px solid #cddfe6;border-radius:11px;background:#fff;color:var(--ink);padding:11px 13px;outline:0}
    textarea{min-height:92px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(44,111,159,.12)}
    .form-tip{font-size:11px;color:var(--muted);margin-top:9px}
    .site-footer{padding:52px 0 24px;background:#174b70;color:#dcebf1}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:35px}
    .footer-brand{font-size:21px;font-weight:800;color:#fff}
    .footer-copy{max-width:350px;color:#b8d0db;font-size:13px}
    .footer-title{font-weight:800;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:7px;font-size:13px;color:#b8d0db}
    .footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.16);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#a9c5d1;font-size:12px}
    a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(118,184,199,.6);outline-offset:3px}
    @media(max-width:900px){.hero-grid,.notice-grid,.faq-wrap,.cta-box{grid-template-columns:1fr}.desktop-nav{display:none}.menu-btn{display:block}.path-grid{grid-template-columns:repeat(2,1fr)}.path-item:nth-child(2){border-right:0}.path-item{border-bottom:1px solid var(--line)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1160px)}.nav-wrap{height:68px}.brand{font-size:16px}.hero{padding:52px 0 35px}h1{font-size:39px}.section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:15px}.rule-list,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.path-grid{grid-template-columns:1fr}.path-item{border-right:0}.cta-box{padding:25px}.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:6px}}

/* roulang page: category1 */
:root{
 --blue:#2c6f9f;
 --blue-deep:#174b70;
 --blue-soft:#eaf4fa;
 --cyan:#76b8c7;
 --ink:#203746;
 --muted:#6b7d88;
 --paper:#fbfdfe;
 --line:#dce8ed;
 --warm:#f4f7f6;
 --shadow:0 18px 50px rgba(35,76,98,.10);
 --shadow-sm:0 8px 24px rgba(35,76,98,.08);
 --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(251,253,254,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,232,237,.8)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;white-space:nowrap;font-weight:800;letter-spacing:-.04em;color:var(--blue-deep);font-size:18px}
.brand-mark{width:34px;height:34px;border-radius:12px;background:var(--blue);position:relative;box-shadow:0 8px 18px rgba(44,111,159,.22)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;border:2px solid #fff;border-radius:50%}
.brand-mark:before{width:14px;height:14px;left:8px;top:6px}
.brand-mark:after{width:20px;height:8px;left:5px;bottom:6px;border-bottom:0;border-radius:12px 12px 0 0}
.desktop-nav{display:flex;align-items:center;gap:7px;margin-left:auto}
.nav-link{padding:9px 14px;border-radius:12px;color:var(--muted);font-size:14px;transition:.2s}
.nav-link:hover,.nav-link.active{background:var(--blue-soft);color:var(--blue-deep)}
.nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);box-shadow:0 9px 20px rgba(44,111,159,.18)}
.nav-cta{padding:10px 17px;border-radius:12px;font-size:14px;font-weight:700;transition:.2s}
.nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px)}
.nav-link:focus-visible,.nav-cta:focus-visible,.btn-primary:focus-visible,.btn-secondary:focus-visible,.menu-btn:focus-visible,.faq-question:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(118,184,199,.45);outline-offset:3px}
.lang-switch{display:flex;align-items:center;gap:3px;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff;color:var(--muted);font-size:12px}
.lang-switch span{padding:5px 9px;border-radius:999px}
.lang-switch .current{background:var(--blue-soft);color:var(--blue-deep);font-weight:700}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 11px;color:var(--blue-deep)}
.mobile-nav{display:none;padding:0 0 18px}
.mobile-nav.open{display:grid;gap:6px}
.hero{padding:76px 0 48px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:460px;height:460px;right:-180px;top:-220px;background:var(--blue-soft);border-radius:50%;z-index:-1}
.hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.16em}
.hero h1{font-size:clamp(38px,5.4vw,68px);line-height:1.16;letter-spacing:-.07em;color:var(--blue-deep);margin:13px 0 20px}
.hero-copy{font-size:17px;line-height:1.9;color:var(--muted);max-width:650px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:13px;font-size:14px;font-weight:800;transition:.2s}
.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--blue-deep)}
.btn-secondary:hover{border-color:var(--blue);background:var(--blue-soft);transform:translateY(-2px)}
.hero-notes{display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;color:var(--muted);font-size:13px}
.hero-notes strong{display:block;color:var(--ink);font-size:21px;line-height:1.2}
.index-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:25px;box-shadow:var(--shadow);transform:rotate(1deg)}
.index-card h2{font-size:23px;line-height:1.35;color:var(--blue-deep);margin:0 0 22px}
.index-top{padding:22px;border-radius:19px;background:linear-gradient(135deg,#3d83ae,#83bec7);color:#fff;position:relative;overflow:hidden}
.index-top:after{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(255,255,255,.35);border-radius:50%;right:-40px;bottom:-90px}
.index-top small{opacity:.82}
.index-top strong{display:block;font-size:26px;line-height:1.3;margin-top:12px;max-width:250px}
.index-list{display:grid;gap:0;margin-top:13px}
.index-row{display:flex;align-items:center;justify-content:space-between;padding:12px 3px;border-bottom:1px solid var(--line);font-size:14px}
.index-row:last-child{border-bottom:0}
.index-row span{color:var(--muted);font-size:12px}
.subnav{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#f5f9fa}
.subnav-inner{display:flex;align-items:center;gap:10px;overflow:auto;padding:14px 0}
.tag{display:inline-flex;width:max-content;background:var(--blue-soft);color:var(--blue);border-radius:999px;padding:5px 11px;font-size:12px;font-weight:800;white-space:nowrap}
.subnav .tag{background:#fff;border:1px solid var(--line)}
.section{padding:78px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:31px}
.section-head h2{font-size:clamp(28px,3.5vw,42px);line-height:1.25;letter-spacing:-.05em;color:var(--blue-deep);margin:9px 0 0}
.section-head p{max-width:510px;color:var(--muted);margin:0;font-size:15px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:23px}
.filter-bar input{flex:1 1 230px;min-height:44px;border:1px solid var(--line);border-radius:12px;padding:0 15px;background:#fff;color:var(--ink)}
.filter-bar select{min-height:44px;border:1px solid var(--line);border-radius:12px;padding:0 13px;background:#fff;color:var(--muted)}
.topic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.topic-main{min-height:330px;padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(140deg,#e5f3f8,#fafdfe);position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.topic-main:after{content:"亚洲主题";position:absolute;right:-8px;bottom:14px;color:rgba(44,111,159,.07);font-weight:900;font-size:72px;letter-spacing:-.12em}
.topic-main h3{font-size:31px;line-height:1.3;color:var(--blue-deep);margin:17px 0 12px;max-width:440px}
.topic-main p{color:var(--muted);max-width:500px;font-size:15px}
.topic-main .read-link{display:inline-flex;margin-top:25px;color:var(--blue-deep);font-weight:800;font-size:14px}
.side-topics{display:grid;gap:18px}
.topic-small{padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
.topic-small:hover,.topic-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.topic-small h3{font-size:19px;color:var(--blue-deep);margin:11px 0 6px}
.topic-small p,.topic-item p{font-size:13px;color:var(--muted);margin:0}
.topic-items{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.topic-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:21px;transition:.25s}
.topic-item h3{font-size:18px;color:var(--blue-deep);margin:12px 0 7px}
.item-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-top:15px}
.stat-band{background:#f0f6f8;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:30px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:0 25px;border-right:1px solid var(--line)}
.stat:first-child{padding-left:0}
.stat:last-child{border-right:0}
.stat strong{font-size:32px;line-height:1;color:var(--blue-deep);display:block}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
.guide-strip{display:grid;grid-template-columns:.82fr 1.18fr;gap:18px;align-items:stretch}
.guide-intro{padding:30px;border-radius:var(--radius);background:var(--blue-deep);color:#fff}
.guide-intro h2{font-size:28px;line-height:1.35;margin:12px 0}
.guide-intro p{color:rgba(255,255,255,.76);font-size:14px;margin:0}
.guide-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.guide-step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow-sm)}
.step-no{font-size:25px;color:var(--cyan);font-weight:900;line-height:1}
.guide-step h3{font-size:17px;color:var(--blue-deep);margin:14px 0 6px}
.guide-step p{font-size:13px;color:var(--muted);margin:0}
.faq-wrap{display:grid;grid-template-columns:.68fr 1.32fr;gap:65px;align-items:start}
.faq-intro p{color:var(--muted);font-size:15px}
.faq-list{display:grid;gap:10px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden;transition:.2s}
.faq-item:hover{border-color:#b9d4df}
.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;background:transparent;color:var(--blue-deep);padding:18px 20px;font-weight:800}
.faq-question span:last-child{color:var(--blue);font-size:21px;transition:.2s}
.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
.cta-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;padding:38px;border-radius:28px;background:var(--blue-soft);border:1px solid #d2e7ef}
.cta-panel h2{font-size:32px;line-height:1.3;color:var(--blue-deep);margin:11px 0}
.cta-panel p{color:var(--muted);font-size:14px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.field{display:grid;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12px;color:var(--blue-deep);font-weight:800}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:#fff;padding:11px 13px;color:var(--ink)}
.field textarea{min-height:104px;resize:vertical}
.form-note{grid-column:1/-1;color:var(--muted);font-size:12px;margin:0}
.site-footer{padding:54px 0 24px;background:#f1f6f7;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px;padding-bottom:34px}
.footer-brand{font-size:20px;font-weight:900;color:var(--blue-deep)}
.footer-copy{max-width:360px;color:var(--muted);font-size:13px;margin:12px 0 0}
.footer-title{font-weight:800;color:var(--blue-deep);font-size:14px;margin-bottom:10px}
.footer-links{display:grid;gap:6px;color:var(--muted);font-size:13px}
.footer-links a{transition:.2s}
.footer-links a:hover{color:var(--blue)}
.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:19px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}
@media(max-width:1024px){
 .hero-grid{gap:38px}
 .container{width:min(100% - 34px,1160px)}
 .faq-wrap{gap:35px}
}
@media(max-width:768px){
 .desktop-nav{display:none}
 .menu-btn{display:block}
 .nav-wrap{height:70px}
 .hero{padding:55px 0 38px}
 .hero-grid,.topic-layout,.guide-strip,.cta-panel,.faq-wrap{grid-template-columns:1fr}
 .hero h1{font-size:clamp(36px,10vw,54px)}
 .index-card{transform:none}
 .section{padding:60px 0}
 .section-head{display:block}
 .section-head p{margin-top:14px}
 .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px}
 .stat{padding:0 15px;border-right:0}
 .stat:first-child{padding-left:0}
 .topic-items{grid-template-columns:1fr 1fr}
 .guide-steps{grid-template-columns:repeat(3,1fr)}
 .copyright{display:grid;gap:5px}
}
@media(max-width:520px){
 .container{width:calc(100% - 28px)}
 .brand{font-size:16px}
 .brand-mark{width:31px;height:31px}
 .hero-actions a{width:100%}
 .hero-notes{gap:17px}
 .subnav-inner{margin:0 -2px}
 .filter-bar{display:grid;grid-template-columns:1fr}
 .filter-bar input,.filter-bar select{width:100%}
 .topic-main,.topic-small,.guide-intro,.cta-panel{padding:23px}
 .topic-main h3{font-size:26px}
 .topic-items{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr;gap:20px 8px}
 .stat strong{font-size:27px}
 .guide-steps{grid-template-columns:1fr}
 .contact-form{grid-template-columns:1fr}
 .field.full,.form-note{grid-column:auto}
 .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
 .footer-grid>div:first-child{grid-column:1/-1}
}