/* roulang page: index */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{min-height:760px;padding:175px 0 100px;position:relative;background:#eaf3f7 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.96) 0%,rgba(244,249,250,.86) 38%,rgba(244,249,250,.28) 75%,rgba(244,249,250,.12))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;align-items:end;gap:72px}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em;text-transform:uppercase}
    .hero h1{font-size:clamp(42px,5.3vw,76px);line-height:1.16;letter-spacing:-.045em;margin:18px 0 24px;max-width:720px;color:var(--blue-deep)}
    .hero-lead{font-size:18px;color:#3d5665;max-width:650px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:14px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
    .hero-note{margin-top:35px;display:flex;gap:28px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hero-note strong{display:block;color:var(--blue-deep);font-size:21px;line-height:1.2;margin-bottom:3px}
    .hero-card{background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.95);border-radius:24px;padding:13px;box-shadow:var(--shadow);transform:translateY(18px)}
    .hero-card img{height:365px;border-radius:16px}
    .hero-card-caption{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:18px 8px 5px}
    .hero-card-caption span{font-size:12px;color:var(--muted)}
    section{padding:112px 0}
    .section-head{max-width:700px;margin-bottom:45px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 17px;color:var(--blue-deep)}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .pain{background:#fff}
    .pain-layout{display:grid;grid-template-columns:5fr 7fr;gap:80px;align-items:start}
    .pain-quote{font-size:34px;line-height:1.45;color:var(--blue-deep);letter-spacing:-.03em;border-left:4px solid var(--blue);padding-left:24px}
    .pain-quote em{font-style:normal;color:var(--blue)}
    .pain-list{border-top:1px solid var(--line)}
    .pain-item{display:grid;grid-template-columns:55px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line);transition:.25s}
    .pain-item:hover{padding-left:10px;background:linear-gradient(90deg,var(--mist),transparent)}
    .num{color:var(--blue);font-weight:800;font-size:13px;padding-top:4px}
    .pain-item h3{font-size:19px;margin:0 0 6px;color:var(--blue-deep)}
    .pain-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
    .response{background:var(--mist)}
    .response-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
    .feature-image{min-height:545px;border-radius:var(--radius);overflow:hidden;position:relative;background:#dbe9ef}
    .feature-image img{height:100%;transition:.5s}
    .feature-image:hover img{transform:scale(1.035)}
    .image-label{position:absolute;bottom:24px;left:24px;background:rgba(255,255,255,.9);padding:14px 17px;border-radius:12px;font-size:13px;color:var(--blue-deep)}
    .response-side{display:flex;flex-direction:column;gap:14px}
    .response-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:23px 24px;display:grid;grid-template-columns:45px 1fr;gap:17px;flex:1;transition:.25s}
    .response-item:hover{border-color:#9dbbd0;box-shadow:var(--shadow);transform:translateX(4px)}
    .response-item .count{font-size:20px;font-weight:800;color:var(--blue)}
    .response-item h3{margin:0 0 5px;color:var(--blue-deep);font-size:18px}
    .response-item p{margin:0;color:var(--muted);font-size:14px}
    .impact{background:#fff}
    .impact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:75px;align-items:center}
    .impact-main{background:var(--blue);color:#fff;border-radius:24px;padding:48px;min-height:330px;position:relative;overflow:hidden}
    .impact-main:after{content:"开云";position:absolute;right:-15px;bottom:-45px;font-size:150px;font-weight:800;color:rgba(255,255,255,.08);line-height:1}
    .impact-main h3{font-size:28px;line-height:1.4;max-width:420px;margin:0 0 20px;position:relative;z-index:1}
    .impact-main p{color:#d8e9f2;max-width:480px;position:relative;z-index:1}
    .impact-evidence{border-top:1px solid var(--line)}
    .evidence{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
    .evidence strong{font-size:17px;color:var(--blue)}
    .evidence p{margin:0;font-size:14px;color:var(--muted)}
    .brand-story{background:#f7fafb}
    .story-layout{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:center}
    .story-layout img{height:470px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-copy h2{font-size:38px;line-height:1.35;color:var(--blue-deep);margin:12px 0 22px}
    .story-copy p{color:var(--muted);font-size:16px;margin:0 0 17px}
    .story-sign{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--blue);font-weight:700;font-size:14px}
    .voices{background:#fff}
    .voices-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px;align-items:start}
    .voices-intro h2{font-size:40px;line-height:1.35;color:var(--blue-deep);margin:12px 0 18px}
    .voices-intro p{color:var(--muted)}
    .quote-card{border-top:3px solid var(--blue);padding:26px 0 24px;display:grid;grid-template-columns:1fr 160px;gap:30px}
    .quote-card blockquote{font-size:23px;line-height:1.65;color:var(--blue-deep);margin:0}
    .quote-card cite{font-style:normal;color:var(--muted);font-size:13px;display:block;margin-top:22px}
    .quote-card img{height:115px;border-radius:12px}
    .faq{background:var(--mist)}
    .faq-grid{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0 4px}
    summary{list-style:none;cursor:pointer;padding:22px 42px 22px 0;font-size:17px;font-weight:700;color:var(--blue-deep);position:relative;outline:none}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:5px;color:var(--blue);font-size:25px;font-weight:400;transition:.25s}
    details[open] summary:after{content:"−";transform:rotate(180deg)}
    summary:hover,summary:focus-visible{color:var(--blue)}
    details p{margin:0;padding:0 45px 23px 0;color:var(--muted);font-size:15px;max-width:800px}
    .cta{padding:90px 0}
    .cta-box{background:var(--blue-soft);border:1px solid #d2e5ee;border-radius:24px;padding:52px 58px;display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .cta-box h2{font-size:38px;line-height:1.35;color:var(--blue-deep);margin:13px 0}
    .cta-box p{color:var(--muted);margin:0}
    .form-card{background:#fff;padding:25px;border-radius:17px;box-shadow:var(--shadow)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    label{display:block;color:var(--blue-deep);font-size:13px;font-weight:700;margin-bottom:6px}
    input,textarea{width:100%;border:1px solid var(--line);background:#fbfdfe;border-radius:9px;padding:11px 12px;color:var(--ink);outline:none;transition:.2s;margin-bottom:14px}
    input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,75,120,.11)}
    textarea{min-height:85px;resize:vertical}
    .privacy{font-size:11px;color:var(--muted);margin:12px 0 0}
    footer{background:#edf4f7;border-top:1px solid var(--line);padding:60px 0 25px}
    .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:35px;padding-bottom:45px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:270px;margin-top:18px}
    footer h3{font-size:14px;color:var(--blue-deep);margin:0 0 15px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover,.footer-links a:focus-visible{color:var(--blue);padding-left:4px}
    .footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#748590;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    .mobile-panel{display:none}
    :focus-visible{outline:3px solid rgba(23,75,120,.35);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links a{padding:8px 6px;font-size:13px}.nav-cta{padding:9px 12px}
      .hero-inner,.pain-layout,.impact-layout,.story-layout,.voices-layout{gap:38px}
      .footer-top{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header{padding:12px 0}.nav-shell{padding:9px 12px}.nav-links,.nav-tools .nav-cta,.search-btn{display:none}.menu-btn{display:grid;margin-left:auto}
      .hero{min-height:auto;padding:145px 0 68px}.hero-inner,.response-grid,.pain-layout,.impact-layout,.story-layout,.voices-layout,.cta-box{grid-template-columns:1fr}
      .hero h1{font-size:44px}.hero-lead{font-size:16px}.hero-card{transform:none;margin-top:15px}.hero-card img{height:280px}
      section{padding:75px 0}.section-head{margin-bottom:30px}.section-head h2{font-size:34px}
      .pain-quote{font-size:27px}.feature-image{min-height:330px}.story-layout img{height:330px}
      .quote-card{grid-template-columns:1fr}.quote-card img{height:150px}
      .cta-box{padding:32px 22px;gap:25px}.cta-box h2{font-size:31px}.form-row{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
      .mobile-panel{position:absolute;top:64px;left:16px;right:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-hover);border-radius:14px;padding:10px;z-index:40}
      .mobile-panel.open{display:block}.mobile-panel a{display:block;padding:11px 12px;border-radius:8px;font-size:14px}.mobile-panel a:hover{background:var(--blue-soft);color:var(--blue)}
    }
    @media(max-width:520px){
      .brand{font-size:20px;min-width:auto}.hero h1{font-size:38px}.hero-note{gap:18px}.response-item{grid-template-columns:35px 1fr;padding:18px}
      .impact-main{padding:30px 25px}.evidence{grid-template-columns:90px 1fr;gap:12px}
      .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    button:disabled{cursor:not-allowed;opacity:.55}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{min-height:665px;padding:164px 0 78px;position:relative;background:#eaf3f7 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.97) 0%,rgba(244,249,250,.88) 42%,rgba(244,249,250,.35) 78%,rgba(244,249,250,.18))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 440px;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em}
    .hero h1{font-size:clamp(40px,5vw,70px);line-height:1.18;letter-spacing:-.045em;margin:18px 0 22px;max-width:700px;color:var(--blue-deep)}
    .hero-lead{font-size:18px;color:#3d5665;max-width:650px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:14px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
    .broadcast-card{background:rgba(255,255,255,.91);border:1px solid rgba(255,255,255,.96);border-radius:24px;padding:14px;box-shadow:var(--shadow)}
    .broadcast-cover{height:245px;border-radius:16px;overflow:hidden;position:relative}
    .broadcast-cover img{height:100%;transition:.5s}
    .broadcast-card:hover img{transform:scale(1.035)}
    .live-badge{position:absolute;top:15px;left:15px;background:var(--blue);color:#fff;padding:4px 10px;border-radius:6px;font-size:11px;letter-spacing:.1em}
    .broadcast-info{padding:17px 7px 4px}
    .broadcast-info h2{font-size:19px;color:var(--blue-deep);margin:0 0 4px;line-height:1.45}
    .broadcast-info p{margin:0;color:var(--muted);font-size:13px}
    .countdown{display:flex;gap:8px;margin-top:14px}
    .time-box{background:var(--blue-soft);border-radius:9px;padding:7px 10px;text-align:center;min-width:54px;color:var(--blue-deep);font-weight:800}
    .time-box small{display:block;font-size:10px;color:var(--muted);font-weight:500}
    .remind-form{display:flex;gap:8px;margin-top:15px}
    .remind-form input{min-width:0;flex:1;border:1px solid var(--line);border-radius:9px;padding:8px 10px;background:#fff;font-size:13px}
    input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,75,120,.11)}
    .remind-form button{border:0;background:var(--blue);color:white;border-radius:9px;padding:8px 12px;font-size:13px;font-weight:700}
    section{padding:102px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,49px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 15px;color:var(--blue-deep)}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .region-layout{display:grid;grid-template-columns:4fr 8fr;gap:28px;align-items:stretch}
    .region-intro{background:var(--blue);border-radius:var(--radius);padding:38px;color:#fff;min-height:460px;display:flex;flex-direction:column;justify-content:space-between}
    .region-intro h3{font-size:30px;line-height:1.4;margin:0 0 15px}
    .region-intro p{color:#d9e8f0;font-size:15px}
    .region-mark{font-size:74px;font-weight:800;line-height:1;color:rgba(255,255,255,.16);align-self:flex-end}
    .region-list{border-top:1px solid var(--line)}
    .region-item{display:grid;grid-template-columns:70px 1fr 26px;gap:18px;align-items:center;padding:25px 20px;border-bottom:1px solid var(--line);transition:.25s}
    .region-item:hover{background:var(--mist);padding-left:28px}
    .region-item .index{font-size:13px;color:var(--blue);font-weight:800}
    .region-item h3{font-size:19px;color:var(--blue-deep);margin:0 0 4px}
    .region-item p{font-size:14px;color:var(--muted);margin:0}
    .arrow{font-size:22px;color:var(--blue)}
    .image-story{background:var(--mist)}
    .story-grid{display:grid;grid-template-columns:7fr 5fr;gap:38px;align-items:center}
    .story-grid img{height:450px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .story-copy h2{font-size:clamp(29px,3.5vw,45px);line-height:1.3;color:var(--blue-deep);margin:13px 0 18px}
    .story-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
    .story-points{margin:26px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
    .story-points li{padding:14px 0;border-bottom:1px solid var(--line);display:flex;gap:13px;color:#3e5968;font-size:14px}
    .story-points li:before{content:"↗";color:var(--blue);font-weight:800}
    .timeline{position:relative;padding-left:34px;border-left:1px solid #a9c4d5}
    .timeline-item{position:relative;padding:0 0 28px 22px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;width:10px;height:10px;border:2px solid var(--blue);background:var(--warm);border-radius:50%;left:-40px;top:9px}
    .timeline-item span{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}
    .timeline-item h3{font-size:20px;color:var(--blue-deep);margin:6px 0}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .evidence{display:grid;grid-template-columns:1.15fr .85fr;gap:28px}
    .evidence-main{border-radius:var(--radius);overflow:hidden;min-height:390px;position:relative;background:#dceaf0}
    .evidence-main img{height:100%;position:absolute;inset:0}
    .evidence-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(16,57,87,.78),transparent 70%)}
    .evidence-caption{position:absolute;z-index:1;bottom:28px;left:30px;right:30px;color:#fff}
    .evidence-caption h3{font-size:27px;line-height:1.4;margin:10px 0 5px}
    .evidence-caption p{margin:0;color:#e3f0f5;font-size:14px}
    .evidence-side{display:grid;gap:14px}
    .evidence-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 24px;transition:.25s}
    .evidence-item:hover{box-shadow:var(--shadow);border-color:#a6c3d5;transform:translateY(-3px)}
    .evidence-item strong{font-size:29px;color:var(--blue);display:block;line-height:1.25}
    .evidence-item h3{font-size:17px;color:var(--blue-deep);margin:5px 0}
    .evidence-item p{font-size:13px;color:var(--muted);margin:0}
    .quote-section{background:#f7fafb}
    .quote-layout{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:start}
    .quote-layout h2{font-size:39px;line-height:1.35;color:var(--blue-deep);margin:12px 0}
    .quote-layout>p{color:var(--muted);font-size:15px}
    .quote-card{border-top:3px solid var(--blue);padding:26px 0 24px}
    .quote-card blockquote{font-size:23px;line-height:1.65;color:var(--blue-deep);margin:0 0 17px}
    .quote-card cite{font-style:normal;color:var(--muted);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:55px}
    .faq-grid h2{font-size:39px;line-height:1.35;color:var(--blue-deep);margin:12px 0}
    .faq-list details{border-top:1px solid var(--line);padding:20px 0}
    .faq-list details:last-child{border-bottom:1px solid var(--line)}
    .faq-list summary{cursor:pointer;list-style:none;font-weight:700;color:var(--blue-deep);display:flex;justify-content:space-between;gap:20px}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"＋";color:var(--blue);font-size:21px;transition:.25s}
    .faq-list details[open] summary:after{content:"－";transform:rotate(180deg)}
    .faq-list details p{color:var(--muted);font-size:14px;margin:12px 30px 0 0}
    .cta{padding:82px 0}
    .cta-panel{background:var(--blue-soft);border:1px solid #d0e2ec;border-radius:24px;padding:48px 56px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-panel h2{color:var(--blue-deep);font-size:36px;line-height:1.35;margin:10px 0}
    .cta-panel p{color:var(--muted);margin:0;max-width:650px}
    .cta-actions{display:flex;gap:11px;flex-shrink:0}
    footer{background:#eef5f8;padding:68px 0 25px;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:45px;padding-bottom:45px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:330px;margin:17px 0 0}
    footer h3{font-size:14px;color:var(--blue-deep);margin:6px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:var(--muted);transition:.2s}
    .footer-links a:hover,.footer-links a:focus-visible{color:var(--blue);padding-left:4px}
    .footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#7c8d97;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    :focus-visible{outline:3px solid rgba(23,75,120,.3);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.hero-inner{grid-template-columns:1fr 390px;gap:35px}.footer-top{grid-template-columns:2fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.site-header{padding:12px 0}.nav-shell{padding:9px 12px}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:9px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 13px}.menu-btn{display:grid}.nav-cta{display:none}.hero{min-height:auto;padding:128px 0 55px}.hero:before{background:rgba(244,249,250,.88)}.hero-inner,.region-layout,.story-grid,.evidence,.quote-layout,.faq-grid{grid-template-columns:1fr;gap:30px}.hero h1{font-size:42px}.hero-lead{font-size:16px}.broadcast-card{max-width:500px}.region-intro{min-height:300px}.story-grid img{height:340px}.evidence-main{min-height:320px}.cta-panel{padding:35px 27px;display:block}.cta-panel h2{font-size:30px}.cta-actions{margin-top:24px}.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
    @media(max-width:520px){section{padding:72px 0}.brand{font-size:20px;min-width:120px}.brand small{font-size:8px}.search-btn{display:none}.hero h1{font-size:36px}.hero-actions,.cta-actions,.remind-form{flex-direction:column;align-items:stretch}.btn-primary,.btn-outline{width:100%;text-align:center}.region-item{grid-template-columns:42px 1fr 20px;padding:20px 0}.region-item:hover{padding-left:8px}.quote-layout h2,.faq-grid h2{font-size:31px}.footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* roulang page: category1 */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(23,75,120,.28);outline-offset:3px}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{min-height:650px;padding:170px 0 90px;position:relative;background:#eaf3f7 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.97),rgba(244,249,250,.86) 43%,rgba(244,249,250,.22) 100%)}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em}
    .hero h1{font-size:clamp(40px,5vw,70px);line-height:1.18;letter-spacing:-.045em;margin:18px 0 22px;color:var(--blue-deep);max-width:700px}
    .hero-lead{font-size:18px;color:#3d5665;max-width:650px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:14px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
    .hero-visual{position:relative;padding:14px;background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.95);border-radius:24px;box-shadow:var(--shadow);transform:rotate(2deg)}
    .hero-visual img{height:375px;border-radius:16px}
    .visual-note{position:absolute;left:-28px;bottom:30px;background:#fff;border:1px solid var(--line);padding:17px 20px;border-radius:14px;box-shadow:var(--shadow);font-size:13px;color:var(--muted)}
    .visual-note strong{display:block;color:var(--blue-deep);font-size:21px;line-height:1.3}
    section{padding:105px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 16px;color:var(--blue-deep)}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:start}
    .intro-copy{font-size:17px;color:#455b68}
    .intro-copy p{margin:0 0 20px}
    .quote-line{border-left:3px solid var(--blue);padding:8px 0 8px 22px;color:var(--blue-deep);font-size:23px;line-height:1.55}
    .map-panel{background:var(--blue-soft);border-radius:var(--radius);padding:32px}
    .map-panel h3{margin:0 0 24px;color:var(--blue-deep);font-size:23px}
    .map-row{display:grid;grid-template-columns:44px 1fr;gap:18px;padding:18px 0;border-top:1px solid rgba(23,75,120,.15)}
    .map-row:last-child{border-bottom:1px solid rgba(23,75,120,.15)}
    .map-row b{color:var(--blue);font-size:17px}
    .map-row h4{margin:0 0 3px;color:var(--blue-deep);font-size:17px}
    .map-row p{margin:0;color:var(--muted);font-size:14px}
    .brand-section{background:var(--mist)}
    .brand-layout{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
    .brand-feature{position:relative;min-height:555px;border-radius:var(--radius);overflow:hidden;background:#dceaf0}
    .brand-feature img{height:100%;transition:.5s}
    .brand-feature:hover img{transform:scale(1.035)}
    .brand-feature:after{content:"";position:absolute;inset:45% 0 0;background:linear-gradient(transparent,rgba(16,57,87,.78))}
    .feature-caption{position:absolute;z-index:2;left:32px;right:32px;bottom:27px;color:white}
    .feature-caption h3{font-size:29px;margin:8px 0 5px;line-height:1.35}
    .feature-caption p{margin:0;color:#e5f0f4;font-size:14px}
    .brand-list{display:flex;flex-direction:column;gap:12px}
    .brand-item{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:20px;transition:.25s}
    .brand-item:hover{border-color:#9dbbd0;box-shadow:var(--shadow);transform:translateX(5px)}
    .brand-item h3{margin:0;color:var(--blue-deep);font-size:19px}
    .brand-item p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .arrow{font-size:22px;color:var(--blue)}
    .values{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .value-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:0 10px 28px rgba(23,75,120,.045);transition:.25s}
    .value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .value-card .num{font-size:13px;color:var(--blue);font-weight:800;letter-spacing:.12em}
    .value-card h3{font-size:21px;color:var(--blue-deep);margin:20px 0 8px}
    .value-card p{font-size:14px;color:var(--muted);margin:0}
    .timeline{border-left:1px solid var(--accent);margin:18px 0 0 12px}
    .timeline-item{position:relative;padding:0 0 33px 35px}
    .timeline-item:before{content:"";position:absolute;left:-6px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--blue);border:3px solid var(--blue-soft)}
    .timeline-item h3{margin:0 0 5px;font-size:19px;color:var(--blue-deep)}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .partner-section{background:#fff}
    .partner-layout{display:grid;grid-template-columns:4fr 8fr;gap:62px;align-items:center}
    .partner-image img{height:430px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .partner-copy{border-top:3px solid var(--blue);padding-top:25px}
    .partner-copy blockquote{font-size:26px;line-height:1.55;color:var(--blue-deep);margin:0 0 22px}
    .partner-copy cite{font-size:13px;color:var(--muted);font-style:normal}
    .faq{background:var(--mist)}
    .faq-list{max-width:900px;border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0}
    summary{list-style:none;padding:22px 5px;color:var(--blue-deep);font-size:18px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--blue);font-size:24px;font-weight:400;transition:.25s}
    details[open] summary:after{content:"−";transform:rotate(180deg)}
    details p{color:var(--muted);font-size:15px;max-width:760px;margin:0 0 24px;padding-right:30px}
    .cta{padding:75px 0}
    .cta-box{background:var(--blue-soft);border:1px solid #d2e4ee;border-radius:24px;padding:48px 54px;display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta-box h2{color:var(--blue-deep);font-size:clamp(28px,3.6vw,45px);line-height:1.3;margin:0 0 10px}
    .cta-box p{color:var(--muted);margin:0;max-width:650px}
    footer{background:#eef5f8;padding:64px 0 24px;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;padding-bottom:48px}
    .footer-brand p{max-width:330px;color:var(--muted);font-size:14px;margin-top:20px}
    footer h3{font-size:14px;color:var(--blue-deep);margin:5px 0 15px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:var(--blue);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#758792;font-size:12px;flex-wrap:wrap}
    .footer-bottom a:hover{color:var(--blue)}
    .search-panel{display:none;position:fixed;z-index:40;top:88px;right:24px;background:white;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:var(--shadow)}
    .search-panel.show{display:block}
    .search-panel input{width:240px;border:1px solid var(--line);border-radius:9px;padding:9px 12px;color:var(--ink)}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.nav-cta{padding:10px 13px}
      .hero-inner,.intro-grid,.brand-layout,.partner-layout{grid-template-columns:1fr 1fr;gap:30px}
      .hero{min-height:620px}.hero-visual img{height:320px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header{padding:12px 0}.nav-shell{padding:9px 12px}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.nav-cta{display:none}.menu-btn{display:grid}
      .hero{padding:140px 0 70px;min-height:auto}.hero-inner,.intro-grid,.brand-layout,.partner-layout{grid-template-columns:1fr}
      .hero h1{font-size:42px}.hero-lead{font-size:16px}.hero-visual{max-width:540px;margin:15px auto 0;width:100%}
      .hero-visual img{height:310px}.visual-note{left:15px;bottom:18px}
      section{padding:75px 0}.section-head{margin-bottom:30px}.section-head h2{font-size:34px}
      .brand-feature{min-height:370px}.values{grid-template-columns:1fr}.partner-image img{height:320px}
      .cta-box{padding:34px 25px;align-items:flex-start;flex-direction:column}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}.footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      .brand{font-size:20px;min-width:110px}.brand small{font-size:8px}.search-btn{display:none}
      .hero h1{font-size:36px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions a{text-align:center}
      .hero-visual img{height:250px}.visual-note{font-size:12px}.visual-note strong{font-size:18px}
      .map-panel{padding:23px 19px}.brand-feature{min-height:330px}.feature-caption{left:22px;right:22px}.feature-caption h3{font-size:24px}
      .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:8px}
      .search-panel{left:16px;right:16px;top:75px}.search-panel input{width:100%}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category3 */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(23,75,120,.32);outline-offset:3px}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{min-height:650px;padding:170px 0 92px;position:relative;background:#eaf3f7 url('/assets/images/backpic/back-3.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.97),rgba(244,249,250,.88) 44%,rgba(244,249,250,.38) 82%,rgba(244,249,250,.2))}
    .hero-inner{position:relative;z-index:1;text-align:center;max-width:900px;margin:auto}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em;text-transform:uppercase}
    .hero h1{font-size:clamp(42px,6vw,74px);line-height:1.18;letter-spacing:-.045em;margin:18px auto 22px;color:var(--blue-deep)}
    .hero-lead{font-size:18px;color:#3d5665;max-width:760px;margin:auto;line-height:2}
    .resource-search{display:flex;max-width:640px;margin:34px auto 18px;background:#fff;padding:7px;border:1px solid rgba(23,75,120,.16);border-radius:14px;box-shadow:var(--shadow)}
    .resource-search input{flex:1;border:0;background:transparent;padding:12px 15px;color:var(--ink);min-width:0}
    .resource-search button{border:0;border-radius:9px;background:var(--blue);color:#fff;padding:11px 22px;font-weight:700;transition:.2s}
    .resource-search button:hover{background:var(--blue-deep)}
    .hot-links{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .hot-links a{padding:4px 10px;background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:7px;transition:.2s}
    .hot-links a:hover{color:var(--blue);border-color:var(--blue)}
    section{padding:105px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 17px;color:var(--blue-deep)}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}
    .intro-copy{font-size:17px;color:#405663}
    .intro-copy p{margin:0 0 20px}
    .intro-note{border-left:3px solid var(--blue);padding:18px 0 18px 22px;color:var(--blue-deep);font-size:20px;line-height:1.65}
    .image-panel{position:relative}
    .image-panel img{height:460px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-caption{position:absolute;bottom:18px;left:18px;right:18px;padding:13px 16px;border-radius:12px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);font-size:13px;color:var(--blue-deep)}
    .theme-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
    .theme-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;min-height:220px;transition:.25s}
    .theme-card:first-child{grid-row:span 2;background:var(--blue);color:#fff;padding:36px}
    .theme-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#a8c4d5}
    .theme-card h3{margin:18px 0 9px;color:var(--blue-deep);font-size:21px}
    .theme-card:first-child h3{color:#fff;font-size:28px}
    .theme-card p{color:var(--muted);font-size:14px;margin:0}
    .theme-card:first-child p{color:#dceaf2}
    .number{font-size:13px;font-weight:800;letter-spacing:.15em;color:var(--blue)}
    .theme-card:first-child .number{color:#b8d5e5}
    .timeline{position:relative;padding-left:28px;border-left:1px solid #a8c4d4}
    .timeline-item{position:relative;padding:0 0 38px 28px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item:before{content:"";position:absolute;left:-35px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--blue);border:4px solid var(--blue-soft)}
    .timeline-item span{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:.12em}
    .timeline-item h3{margin:7px 0 5px;font-size:21px;color:var(--blue-deep)}
    .timeline-item p{margin:0;color:var(--muted);font-size:15px;max-width:650px}
    .evidence{background:var(--blue-soft)}
    .evidence-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px}
    .evidence-main{background:#fff;border-radius:var(--radius);padding:38px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .evidence-main h3{font-size:28px;color:var(--blue-deep);margin:0 0 14px}
    .evidence-main p{color:var(--muted);margin:0 0 24px}
    .evidence-main img{height:230px;border-radius:14px}
    .evidence-list{display:grid;gap:12px}
    .evidence-item{padding:20px;background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:14px;transition:.2s}
    .evidence-item:hover{background:#fff;transform:translateX(4px)}
    .evidence-item strong{display:block;color:var(--blue-deep);font-size:17px}
    .evidence-item span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px}
    .faq-grid .section-head{margin:0}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0}
    summary{list-style:none;cursor:pointer;padding:21px 42px 21px 0;color:var(--blue-deep);font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:5px;top:17px;font-size:24px;color:var(--blue);font-weight:400;transition:.2s}
    details[open] summary:after{content:"−";transform:rotate(180deg)}
    details p{color:var(--muted);font-size:14px;margin:0 35px 22px 0}
    .cta{padding:80px 0}
    .cta-box{background:var(--blue);border-radius:24px;padding:48px 54px;display:flex;align-items:center;justify-content:space-between;gap:35px;color:#fff;position:relative;overflow:hidden}
    .cta-box:after{content:"文化 · 创意 · 传承";position:absolute;right:35px;bottom:-18px;font-size:47px;color:rgba(255,255,255,.09);font-weight:800}
    .cta-box h2{font-size:34px;line-height:1.35;margin:0 0 10px;position:relative;z-index:1}
    .cta-box p{color:#d9e8f0;margin:0;max-width:650px;position:relative;z-index:1}
    .cta-box .btn-outline{background:#fff;color:var(--blue);border-color:#fff;position:relative;z-index:2;white-space:nowrap}
    footer{background:#eef5f8;padding:65px 0 25px;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:38px;padding-bottom:45px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:330px;margin:18px 0 0}
    footer h3{font-size:14px;color:var(--blue-deep);margin:5px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--blue);transform:translateX(3px)}
    .footer-bottom{padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#78909d;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    .toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:var(--blue-deep);color:#fff;padding:10px 18px;border-radius:9px;font-size:13px;transition:.3s;z-index:50}
    .toast.show{opacity:1;transform:translate(-50%,0)}
    @media(max-width:1024px){
      .nav-links a{padding:8px 7px;font-size:13px}
      .nav-cta{display:none}
      .intro-grid,.evidence-grid{grid-template-columns:1fr 1fr;gap:35px}
      .faq-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 34px,620px)}
      .site-header{padding:13px 0}
      .nav-shell{padding:9px 12px}
      .nav-links{display:none;position:absolute;top:68px;left:0;right:0;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:11px 14px}
      .menu-btn{display:grid}
      .hero{min-height:600px;padding:148px 0 70px}
      .hero h1{font-size:43px}
      .hero-lead{font-size:16px}
      .resource-search{margin-top:27px}
      section{padding:76px 0}
      .intro-grid,.theme-layout,.evidence-grid,.faq-grid{grid-template-columns:1fr}
      .theme-card:first-child{grid-row:auto}
      .image-panel img{height:330px}
      .cta-box{padding:35px 27px;display:block}
      .cta-box h2{font-size:29px}
      .cta-box .btn-outline{margin-top:25px}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}
    }
    @media(max-width:520px){
      .brand{font-size:20px;min-width:120px}
      .brand small{font-size:8px}
      .search-btn{display:none}
      .hero h1{font-size:38px}
      .resource-search{display:block;background:transparent;border:0;box-shadow:none;padding:0}
      .resource-search input{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:9px}
      .resource-search button{width:100%}
      .hot-links{justify-content:flex-start}
      .section-head h2{font-size:32px}
      .theme-card,.theme-card:first-child{padding:25px;min-height:0}
      .evidence-main{padding:25px}
      .evidence-main h3{font-size:24px}
      .footer-top{grid-template-columns:1fr}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-bottom:9px}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important}
    }

/* roulang page: category4 */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(23,75,120,.35);outline-offset:3px}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.78);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{min-height:650px;padding:175px 0 92px;position:relative;background:#eaf3f7 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.97) 0%,rgba(244,249,250,.9) 42%,rgba(244,249,250,.48) 76%,rgba(244,249,250,.2))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;align-items:end;gap:70px}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em}
    .hero h1{font-size:clamp(42px,5.2vw,72px);line-height:1.18;letter-spacing:-.045em;margin:18px 0 22px;max-width:700px;color:var(--blue-deep)}
    .hero-lead{font-size:18px;color:#3d5665;max-width:650px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:14px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
    .hero-panel{background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.95);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
    .hero-panel h2{font-size:23px;color:var(--blue-deep);margin:0 0 20px;line-height:1.45}
    .hero-panel p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .panel-line{border-top:1px solid var(--line);padding-top:16px;display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
    .panel-line strong{color:var(--blue);font-size:17px}
    section{padding:105px 0}
    .section-head{max-width:740px;margin-bottom:45px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.25;letter-spacing:-.035em;margin:12px 0 17px;color:var(--blue-deep)}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:70px;align-items:start}
    .intro-grid img{height:470px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .long-copy{font-size:16px;color:#526672}
    .long-copy p{margin:0 0 22px}
    .quote-mark{font-size:64px;line-height:.8;color:var(--accent);font-weight:800}
    .issue-layout{display:grid;grid-template-columns:4fr 8fr;gap:65px}
    .issue-list{border-top:1px solid var(--line)}
    .issue-item{display:grid;grid-template-columns:62px 1fr;gap:18px;padding:23px 0;border-bottom:1px solid var(--line);transition:.25s}
    .issue-item:hover{padding-left:10px;background:linear-gradient(90deg,var(--mist),transparent)}
    .issue-number{font-size:18px;font-weight:800;color:var(--blue)}
    .issue-item h3{font-size:19px;margin:0 0 6px;color:var(--blue-deep)}
    .issue-item p{font-size:14px;color:var(--muted);margin:0}
    .mist-section{background:var(--mist)}
    .action-grid{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:stretch}
    .action-feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .action-feature img{height:315px;transition:.5s}
    .action-feature:hover img{transform:scale(1.035)}
    .action-copy{padding:27px 30px 31px}
    .action-copy h3{font-size:27px;color:var(--blue-deep);margin:0 0 10px}
    .action-copy p{color:var(--muted);font-size:15px;margin:0}
    .action-side{display:flex;flex-direction:column;gap:14px}
    .action-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px 24px;display:grid;grid-template-columns:50px 1fr;gap:15px;transition:.25s}
    .action-item:hover{border-color:#9dbbd0;box-shadow:var(--shadow);transform:translateX(4px)}
    .action-item span{color:var(--blue);font-weight:800;font-size:20px}
    .action-item h3{margin:0 0 4px;font-size:17px;color:var(--blue-deep)}
    .action-item p{margin:0;font-size:13px;color:var(--muted);line-height:1.75}
    .evidence-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px}
    .evidence-main{background:var(--blue);color:#fff;border-radius:var(--radius);padding:42px;min-height:340px;position:relative;overflow:hidden}
    .evidence-main:after{content:"开云";position:absolute;right:-15px;bottom:-48px;font-size:150px;font-weight:800;color:rgba(255,255,255,.08)}
    .evidence-main h3{font-size:29px;line-height:1.4;max-width:420px;margin:0 0 18px;position:relative;z-index:1}
    .evidence-main p{color:#d8e9f2;max-width:480px;position:relative;z-index:1}
    .evidence-side{display:grid;gap:13px}
    .evidence-row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 21px;display:flex;gap:18px;align-items:flex-start}
    .evidence-row strong{font-size:20px;color:var(--blue);min-width:78px}
    .evidence-row p{font-size:14px;color:var(--muted);margin:0}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px}
    .timeline:before{content:"";position:absolute;left:0;right:0;top:17px;border-top:1px solid var(--accent)}
    .timeline-item{position:relative;padding-top:48px}
    .timeline-item:before{content:"";position:absolute;top:10px;left:0;width:15px;height:15px;border:4px solid var(--warm);background:var(--blue);border-radius:50%;box-shadow:0 0 0 1px var(--blue)}
    .timeline-item h3{font-size:18px;color:var(--blue-deep);margin:0 0 6px}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .quote-section{background:#f7fafb}
    .quote-card{max-width:900px;margin:auto;border-top:3px solid var(--blue);padding:30px 0 28px}
    .quote-card blockquote{font-size:clamp(23px,3vw,36px);line-height:1.55;color:var(--blue-deep);margin:0 0 20px;letter-spacing:-.02em}
    .quote-card cite{font-style:normal;color:var(--muted);font-size:14px}
    .faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:70px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:20px 0}
    summary{list-style:none;cursor:pointer;font-weight:700;color:var(--blue-deep);font-size:17px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;max-width:680px;margin:13px 0 0}
    .cta{padding:80px 0}
    .cta-box{background:var(--blue-soft);border:1px solid #d1e3ed;border-radius:24px;padding:48px 55px;display:flex;justify-content:space-between;align-items:center;gap:35px}
    .cta-box h2{margin:0 0 10px;color:var(--blue-deep);font-size:34px;line-height:1.35}
    .cta-box p{margin:0;color:var(--muted);max-width:680px}
    .subscribe-form{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:6px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;color:var(--blue-deep);font-weight:700}
    input,textarea{border:1px solid var(--line);background:#fff;border-radius:10px;padding:12px 14px;color:var(--ink);transition:.2s}
    input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,75,120,.1);outline:none}
    textarea{min-height:100px;resize:vertical}
    .form-note{font-size:12px;color:var(--muted);margin:12px 0 0}
    footer{background:#edf5f8;padding:65px 0 25px;color:var(--ink)}
    .footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
    .footer-brand p{max-width:330px;color:var(--muted);font-size:14px;margin:18px 0 0}
    footer h3{font-size:14px;color:var(--blue-deep);margin:7px 0 16px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:var(--muted);transition:.2s}
    .footer-links a:hover,.footer-links a:focus-visible{color:var(--blue);padding-left:4px}
    .footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;gap:20px;color:#748692;font-size:12px}
    .footer-bottom a:hover{color:var(--blue)}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.nav-cta{display:none}
      .hero-inner,.intro-grid,.issue-layout,.action-grid,.faq-grid{gap:38px}
      .container{width:min(100% - 36px,900px)}
    }
    @media(max-width:768px){
      .site-header{padding:14px 0}.nav-shell{padding:9px 12px}.nav-links{display:none}
      .nav-tools{margin-left:auto}.menu-btn{display:grid}
      .site-header.menu-open .nav-links{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;padding:12px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}
      .site-header.menu-open .nav-links a{padding:12px 14px}
      .hero{min-height:auto;padding:145px 0 70px}.hero-inner,.intro-grid,.issue-layout,.action-grid,.evidence-wrap,.faq-grid{grid-template-columns:1fr}
      .hero h1{font-size:clamp(38px,11vw,58px)}.hero-lead{font-size:16px}.hero-panel{margin-top:8px}
      section{padding:72px 0}.section-head{margin-bottom:30px}.intro-grid img{height:330px}
      .action-feature img{height:260px}.timeline{grid-template-columns:1fr;gap:22px}.timeline:before{top:0;bottom:0;left:7px;right:auto;border-top:0;border-left:1px solid var(--accent)}
      .timeline-item{padding:0 0 0 35px}.timeline-item:before{top:4px;left:0}
      .cta-box{padding:34px 25px;display:block}.cta-box h2{font-size:29px}.subscribe-form{grid-template-columns:1fr}.field.full{grid-column:auto}
      .footer-top{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 30px)}.brand{font-size:20px;min-width:120px}.brand small{font-size:8px}
      .hero-actions{flex-direction:column;align-items:stretch}.hero-actions a{text-align:center}
      .evidence-main{padding:30px 25px}.evidence-main h3{font-size:25px}
      .issue-item{grid-template-columns:40px 1fr;gap:10px}.action-item{grid-template-columns:38px 1fr;padding:18px}
      .footer-top{grid-template-columns:1fr}
    }
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }

/* roulang page: category5 */
:root{
      --blue:#174b78;
      --blue-deep:#103957;
      --blue-soft:#eaf3f9;
      --mist:#f5f8fa;
      --warm:#fcfcfa;
      --ink:#172532;
      --muted:#657582;
      --line:#d8e3ea;
      --accent:#b8d5e5;
      --radius:20px;
      --shadow:0 16px 44px rgba(23,75,120,.09);
      --shadow-hover:0 22px 54px rgba(23,75,120,.16);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{display:block;width:100%;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(23,75,120,.34);outline-offset:3px}
    .container{width:min(1240px,calc(100% - 48px));margin:0 auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:30;padding:20px 0;transition:.3s ease}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);box-shadow:0 5px 24px rgba(16,57,87,.09);padding:12px 0;border-bottom:1px solid var(--line)}
    .nav-shell{display:flex;align-items:center;gap:24px;padding:10px 16px;border:1px solid rgba(255,255,255,.7);background:rgba(255,255,255,.8);backdrop-filter:blur(16px);border-radius:16px;box-shadow:0 8px 26px rgba(30,76,105,.08)}
    .scrolled .nav-shell{border-color:var(--line);box-shadow:none;background:transparent}
    .brand{display:flex;align-items:center;gap:11px;min-width:138px;color:var(--blue-deep);font-weight:800;font-size:23px;letter-spacing:.06em}
    .brand-mark{width:31px;height:31px;border:2px solid var(--blue);border-radius:50%;display:grid;place-items:center;font-size:14px;line-height:1}
    .brand small{display:block;font-size:9px;letter-spacing:.18em;color:var(--muted);font-weight:600;margin-top:-4px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{padding:8px 11px;border-radius:9px;color:#294352;font-size:14px;white-space:nowrap;transition:.2s}
    .nav-links a:hover,.nav-links a:focus-visible,.nav-links a.active{color:var(--blue);background:var(--blue-soft)}
    .nav-tools{display:flex;align-items:center;gap:10px}
    .search-btn,.menu-btn{border:1px solid var(--line);background:#fff;color:var(--blue);width:38px;height:38px;border-radius:10px;display:grid;place-items:center;transition:.2s}
    .search-btn:hover,.menu-btn:hover{background:var(--blue-soft)}
    .nav-cta,.btn-primary{background:var(--blue);color:#fff;border:1px solid var(--blue);padding:11px 19px;border-radius:10px;font-size:14px;font-weight:700;transition:.25s}
    .nav-cta:hover,.btn-primary:hover{background:var(--blue-deep);box-shadow:0 9px 20px rgba(23,75,120,.2);transform:translateY(-2px)}
    .nav-cta:active,.btn-primary:active,.btn-outline:active{transform:translateY(1px)}
    .menu-btn{display:none}
    .hero{position:relative;padding:170px 0 92px;background:#eaf3f7 url('/assets/images/backpic/back-3.webp') center/cover no-repeat;overflow:hidden}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(244,249,250,.97),rgba(244,249,250,.86) 46%,rgba(244,249,250,.32))}
    .hero-content{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
    .eyebrow,.section-kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:.2em}
    .hero h1{font-size:clamp(42px,5.4vw,74px);line-height:1.15;letter-spacing:-.05em;color:var(--blue-deep);margin:18px 0 22px}
    .hero-lead{max-width:650px;color:#3d5665;font-size:18px;line-height:2}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:31px}
    .btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:11px 19px;border:1px solid var(--blue);border-radius:10px;color:var(--blue);font-size:14px;font-weight:700;transition:.25s}
    .btn-outline:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-2px)}
    .hero-feature{background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.95);border-radius:24px;padding:13px;box-shadow:var(--shadow);transform:rotate(1.5deg)}
    .hero-feature img{height:390px;border-radius:16px}
    .feature-caption{padding:17px 8px 4px;display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
    .feature-caption strong{font-size:18px;color:var(--blue-deep)}
    .feature-caption span{font-size:12px;color:var(--muted);white-space:nowrap}
    section{padding:105px 0}
    .section-head{max-width:720px;margin-bottom:42px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.25;letter-spacing:-.04em;color:var(--blue-deep);margin:12px 0 16px}
    .section-head p{font-size:16px;color:var(--muted);margin:0}
    .topic-strip{background:var(--blue-deep);color:#fff;padding:20px 0}
    .topic-row{display:flex;align-items:center;gap:12px;overflow:auto;scrollbar-width:none}
    .topic-row::-webkit-scrollbar{display:none}
    .topic-label{font-size:13px;color:#bcd2df;white-space:nowrap;margin-right:12px}
    .topic-chip{border:1px solid rgba(255,255,255,.25);padding:8px 15px;border-radius:9px;font-size:13px;white-space:nowrap;transition:.2s}
    .topic-chip:hover,.topic-chip.selected{background:#fff;color:var(--blue-deep)}
    .insight-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
    .main-story{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s}
    .main-story:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .main-story img{height:390px}
    .story-body{padding:28px 30px 32px}
    .story-meta,.list-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:12px}
    .tag{display:inline-flex;padding:4px 9px;background:var(--blue-soft);color:var(--blue);border-radius:6px;font-size:12px}
    .story-body h3{font-size:29px;line-height:1.4;color:var(--blue-deep);margin:15px 0 10px}
    .story-body p{color:var(--muted);font-size:15px;margin:0 0 20px}
    .read-link{color:var(--blue);font-weight:700;font-size:14px}
    .read-link span{display:inline-block;margin-left:6px;transition:.2s}
    .read-link:hover span{transform:translateX(5px)}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);transition:.25s}
    .news-item:hover{padding-left:10px;background:linear-gradient(90deg,var(--mist),transparent)}
    .news-item img{height:96px;border-radius:10px}
    .news-item h3{font-size:17px;line-height:1.5;color:var(--blue-deep);margin:7px 0 4px}
    .news-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.7}
    .news-item time{color:var(--muted);font-size:12px}
    .editorial{background:var(--mist)}
    .editorial-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:center}
    .editorial-image{position:relative}
    .editorial-image img{height:475px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;bottom:18px;left:18px;background:rgba(255,255,255,.9);padding:10px 14px;border-radius:9px;color:var(--blue-deep);font-size:12px}
    .editorial-copy h2{font-size:clamp(30px,4vw,47px);line-height:1.3;letter-spacing:-.04em;color:var(--blue-deep);margin:12px 0 20px}
    .editorial-copy p{color:var(--muted);font-size:16px;margin:0 0 18px}
    .editorial-points{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid var(--line)}
    .editorial-points li{padding:15px 0;border-bottom:1px solid var(--line);display:flex;gap:16px;color:#3c5665;font-size:14px}
    .editorial-points b{color:var(--blue);min-width:24px}
    .archive{padding-top:94px}
    .archive-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:28px}
    .filter-buttons{display:flex;gap:8px;flex-wrap:wrap}
    .filter-btn{background:#fff;border:1px solid var(--line);color:var(--muted);padding:8px 14px;border-radius:8px;font-size:13px;transition:.2s}
    .filter-btn:hover,.filter-btn.active{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
    .search-box{display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:9px;padding:0 12px;min-width:220px}
    .search-box input{border:0;outline:0;padding:10px 0;width:100%;background:transparent;color:var(--ink);font-size:13px}
    .archive-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
    .archive-card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.3s}
    .archive-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#9dbbd0}
    .archive-card img{height:190px}
    .archive-card-body{padding:19px 20px 22px}
    .archive-card h3{font-size:18px;line-height:1.5;color:var(--blue-deep);margin:11px 0 7px}
    .archive-card p{font-size:13px;color:var(--muted);line-height:1.75;margin:0 0 15px}
    .faq-section{background:#fff}
    .faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:70px}
    .faq-intro p{color:var(--muted);font-size:15px}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:0 4px}
    summary{list-style:none;cursor:pointer;padding:20px 0;color:var(--blue-deep);font-weight:700;font-size:16px;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";color:var(--blue);font-size:21px;font-weight:400;transition:.25s}
    details[open] summary:after{content:"−";transform:rotate(180deg)}
    details p{color:var(--muted);font-size:14px;line-height:1.9;margin:0 30px 22px 0}
    .cta{padding:80px 0}
    .cta-panel{background:var(--blue-soft);border:1px solid #cfe0ea;border-radius:24px;padding:45px 50px;display:grid;grid-template-columns:1fr .9fr;gap:45px;align-items:center}
    .cta-panel h2{font-size:clamp(29px,4vw,45px);line-height:1.3;color:var(--blue-deep);margin:12px 0 15px}
    .cta-panel p{color:#4e6878;margin:0;max-width:560px}
    .subscribe-form{background:#fff;padding:22px;border-radius:16px;border:1px solid var(--line);box-shadow:0 10px 30px rgba(23,75,120,.06)}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{margin-bottom:13px}
    .field label{display:block;color:var(--blue-deep);font-size:12px;font-weight:700;margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fbfdfe;padding:9px 11px;color:var(--ink);font-size:13px;transition:.2s}
    .field textarea{min-height:74px;resize:vertical}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px rgba(23,75,120,.1);outline:0}
    .form-note{font-size:11px;color:var(--muted);margin-top:11px}
    footer{background:#edf5f8;border-top:1px solid var(--line);padding:62px 0 24px}
    .footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;padding-bottom:48px}
    .footer-brand p{color:var(--muted);font-size:13px;max-width:310px;margin:18px 0 0}
    footer h3{font-size:14px;color:var(--blue-deep);margin:4px 0 15px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:var(--muted);font-size:13px;transition:.2s}
    .footer-links a:hover{color:var(--blue);transform:translateX(3px)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:#71818b;font-size:11px;flex-wrap:wrap}
    .footer-bottom a:hover{color:var(--blue)}
    .hidden-card{display:none!important}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.nav-cta{display:none}
      .hero-content,.insight-layout,.cta-panel{grid-template-columns:1fr 1fr;gap:35px}
      .editorial-grid{gap:35px}.faq-layout{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,620px)}
      .site-header{padding:12px 0}.nav-shell{padding:8px 12px}.nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:14px;padding:9px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a{padding:11px 13px}.menu-btn{display:grid}.brand{font-size:20px;min-width:auto}.search-btn{display:none}
      .hero{padding:133px 0 65px}.hero-content,.insight-layout,.editorial-grid,.faq-layout,.cta-panel{grid-template-columns:1fr}
      .hero h1{font-size:clamp(39px,11vw,58px)}.hero-lead{font-size:16px}.hero-feature{transform:none}.hero-feature img{height:280px}
      section{padding:72px 0}.section-head{margin-bottom:30px}.story-body{padding:22px}.main-story img{height:270px}
      .archive-toolbar{align-items:stretch;flex-direction:column}.search-box{min-width:0}.archive-grid{grid-template-columns:1fr 1fr}
      .editorial-image img{height:330px}.cta-panel{padding:28px 22px}.form-row{grid-template-columns:1fr}
      .footer-top{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .archive-grid{grid-template-columns:1fr}.news-item{grid-template-columns:95px 1fr;gap:12px}.news-item img{height:82px}
      .footer-top{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}
      .hero-actions .btn-primary,.hero-actions .btn-outline{width:100%}
    }
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
    }