/* roulang page: index */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}
    .nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}
    .scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}
    .nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}
    .primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}
    .primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}
    .primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}
    .secondary{color:var(--blue);border:1px solid #bcd0ed;background:#fff}
    .secondary:hover{background:#edf4ff;border-color:var(--blue)}
    .text-btn{padding:3px 0;color:var(--blue);border-radius:0}
    .text-btn:hover{color:var(--blue-dark);text-decoration:underline}
    :focus-visible{outline:3px solid rgba(244,154,84,.65);outline-offset:3px}
    .mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}
    .hero{min-height:690px;padding:154px 0 90px;background:linear-gradient(110deg,rgba(243,248,255,.97) 0%,rgba(243,248,255,.82) 48%,rgba(243,248,255,.35) 100%),url('/assets/images/backpic/back-1.webp') center/cover}
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    h1{font-size:clamp(40px,5.4vw,68px);line-height:1.2;letter-spacing:-3px;margin:20px 0;color:var(--ink)}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-1.5px;margin:9px 0 15px}
    h3{font-size:19px;line-height:1.45}
    .hero-copy{font-size:18px;color:#4d607b;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;margin-top:25px}
    .hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}
    .hero-points span{color:var(--muted);font-size:13px}
    .lead-box{background:rgba(255,255,255,.88);border:1px solid #fff;border-radius:24px;padding:27px;box-shadow:var(--shadow);max-width:430px;margin-left:auto}
    .lead-box h3{margin-bottom:7px}
    .lead-box p{color:var(--muted);font-size:14px;margin-bottom:17px}
    .field{margin-bottom:13px}
    .field label{display:block;font-weight:700;font-size:13px;margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}
    .field input:hover,.field textarea:hover{border-color:#aac3e6}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}
    .field textarea{resize:vertical;min-height:78px}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    section{padding:92px 0}
    .section-head{max-width:720px;margin-bottom:34px}
    .section-head p,.rich-copy p{color:var(--muted);font-size:16px}
    .soft{background:#eef5fc}
    .benefit-layout{display:grid;grid-template-columns:1fr 1.8fr;gap:55px;align-items:start}
    .benefit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}
    .icon{width:42px;height:42px;border-radius:13px;background:var(--mint);color:#147b69;display:grid;place-items:center;font-weight:900;font-size:19px;margin-bottom:18px}
    .card p{color:var(--muted);font-size:14px;margin-top:8px}
    .qualification{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:center}
    .image-frame{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);position:relative}
    .image-frame img{aspect-ratio:1.18}
    .image-label{position:absolute;bottom:16px;left:16px;background:#fff;padding:10px 15px;border-radius:12px;font-weight:700;box-shadow:0 6px 20px #173d711c}
    .check-list{list-style:none;margin-top:22px}
    .check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}
    .directory{display:grid;grid-template-columns:1.3fr .7fr;gap:20px}
    .directory-main{min-height:300px;background:linear-gradient(135deg,#1455c0,#2c76d7);color:#fff;padding:35px;border-radius:var(--radius);position:relative;overflow:hidden}
    .directory-main:after{content:"万博";position:absolute;right:-25px;bottom:-55px;font-size:180px;font-weight:900;color:#ffffff14}
    .directory-main p{max-width:570px;color:#dceaff;margin:12px 0 25px}
    .directory-side{display:grid;gap:20px}
    .topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .topic{background:#fff;border:1px solid var(--line);border-radius:15px;padding:18px;transition:.2s}
    .topic:hover{border-color:var(--blue);background:#f7fbff}
    .topic small{color:var(--blue);font-weight:800}
    .topic p{font-size:13px;color:var(--muted);margin-top:4px}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}
    .metric{background:#fff;padding:25px 24px}
    .metric strong{font-size:34px;color:var(--blue);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .scene{display:grid;grid-template-columns:7fr 5fr;gap:60px;align-items:center}
    .scene img{aspect-ratio:1.45;border-radius:22px}
    .rich-copy p{margin:13px 0}
    .quote{border-left:4px solid var(--orange);padding:15px 20px;background:#fff8f1;border-radius:0 13px 13px 0;color:#5f4b3b;margin-top:22px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:35px}
    .step{padding:25px 24px;border-top:2px solid #b9cee9;position:relative}
    .step:first-child{border-color:var(--blue)}
    .step-num{color:var(--blue);font-size:13px;font-weight:900;margin-bottom:15px}
    .step p{color:var(--muted);font-size:14px;margin-top:8px}
    .news-layout{display:grid;grid-template-columns:1.45fr .75fr;gap:28px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 25px}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .date{font-size:13px;color:var(--blue);font-weight:800}
    .news-item p{font-size:13px;color:var(--muted);margin-top:4px}
    .news-side{background:#dcecff;border-radius:20px;padding:28px}
    .news-side p{color:#526985;margin:14px 0 20px}
    .faq-wrap{max-width:880px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}
    .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
    .cta-copy p{color:var(--muted);max-width:600px}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .footer{background:#eaf1f9;padding:47px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
    .footer p,.footer a{color:#60718a;font-size:13px}
    .footer a:hover{color:var(--blue)}
    .footer h4{font-size:14px;margin-bottom:12px}
    .footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    .toast{position:fixed;right:22px;bottom:22px;background:#132c50;color:#fff;border-radius:10px;padding:12px 18px;opacity:0;transform:translateY(12px);transition:.3s;z-index:50}
    .toast.show{opacity:1;transform:none}
    @media(max-width:900px){.hero-grid,.qualification,.scene,.cta-grid{grid-template-columns:1fr;gap:30px}.lead-box{margin:0;max-width:none}.directory,.news-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:700px){.container{width:min(100% - 28px,1200px)}.desktop-nav{display:none}.mobile-toggle{display:block}.mobile-menu{display:none;position:absolute;top:68px;left:14px;right:14px;background:#fff;border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow)}.mobile-menu.open{display:grid}.mobile-menu .nav-link{padding:12px}.hero{min-height:auto;padding:125px 0 55px}h1{letter-spacing:-2px}.hero-copy{font-size:16px}.hero-points{gap:16px}.benefit-layout{grid-template-columns:1fr;gap:25px}.benefit-list,.topic-grid{grid-template-columns:1fr}.data-band{grid-template-columns:repeat(2,1fr)}section{padding:62px 0}.news-item{grid-template-columns:1fr;gap:5px;padding:18px 0}.news-item .text-btn{justify-content:flex-start}.process{grid-template-columns:1fr}.step{border-top:0;border-left:2px solid #b9cee9}.step:first-child{border-left-color:var(--blue)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:480px){.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.hero-actions>*{width:100%}.data-band{grid-template-columns:1fr 1fr}.metric{padding:18px 14px}.metric strong{font-size:26px}}

/* roulang page: category3 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}a{text-decoration:none;color:inherit}img{display:block;width:100%;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}.site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}.nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}.scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}.logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}.nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}.primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.primary:active{transform:translateY(0);box-shadow:none}.primary:focus,.secondary:focus,.mobile-toggle:focus,input:focus,textarea:focus{outline:3px solid #bcd5fa;outline-offset:2px}.secondary{background:#edf4ff;color:var(--blue)}.secondary:hover{background:#dceaff}.text-btn{padding:3px 0;color:var(--blue);border-radius:0}.text-btn:hover{color:var(--blue-dark);text-decoration:underline}.mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}.mobile-menu{display:none}
    .hero{min-height:590px;padding:154px 0 85px;background:linear-gradient(110deg,rgba(243,248,255,.97),rgba(243,248,255,.76)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}h1{font-size:clamp(38px,5vw,64px);line-height:1.15;letter-spacing:-2px;margin:18px 0}.hero-copy{font-size:18px;color:#4d607b;max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:28px;flex-wrap:wrap;margin-top:25px}.hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}.hero-points span{color:var(--muted);font-size:13px}.data-preview{background:rgba(255,255,255,.9);border:1px solid #fff;border-radius:24px;padding:25px;box-shadow:var(--shadow);max-width:460px;margin-left:auto}.preview-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.live{color:#178d75;background:#e4f7f1;border-radius:99px;padding:4px 10px;font-size:12px;font-weight:700}.match-row{display:grid;grid-template-columns:1fr 65px 1fr;gap:8px;align-items:center;text-align:center;padding:16px 0;border-bottom:1px solid var(--line)}.match-row:last-child{border:0}.match-row b{font-size:14px}.score{font-size:20px;color:var(--blue);font-weight:800}.score small{display:block;font-size:11px;color:var(--muted);font-weight:500}
    section{padding:82px 0}.section-head{max-width:730px;margin-bottom:34px}.section-head p,.rich-copy p{color:var(--muted);font-size:16px}.section-kicker{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}.card p{color:var(--muted);font-size:14px;margin-top:8px}.data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}.data-cell{background:#fff;padding:25px}.data-cell strong{font-size:31px;color:var(--blue);display:block}.data-cell span{color:var(--muted);font-size:13px}.split{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:center}.split.reverse{grid-template-columns:7fr 5fr}.image-frame{border-radius:23px;overflow:hidden;box-shadow:var(--shadow)}.image-frame img{aspect-ratio:1.25}.check-list{list-style:none;margin:20px 0 0;padding:0}.check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}.check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}.table-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.table-head,.table-line{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:15px;padding:17px 22px;align-items:center}.table-head{background:#edf4ff;color:var(--blue);font-size:13px;font-weight:800}.table-line{border-top:1px solid var(--line);color:#425675}.table-line strong{color:var(--ink)}.trend{height:8px;background:#e8eff8;border-radius:99px;overflow:hidden}.trend i{display:block;height:100%;border-radius:99px;background:var(--blue)}.note{padding:18px 20px;background:#f0faf7;border-left:4px solid #52b79e;border-radius:12px;color:#426c68;font-size:14px}.timeline{border-left:2px solid #cfe0f5;margin:20px 0 0 12px;padding-left:28px}.timeline article{position:relative;padding:0 0 28px}.timeline article:before{content:"";position:absolute;width:11px;height:11px;background:var(--blue);border:3px solid #dceaff;border-radius:50%;left:-35px;top:9px}.timeline time{color:var(--blue);font-size:13px;font-weight:800}.faq-wrap{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px;box-shadow:0 5px 18px rgba(26,67,126,.05)}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}.faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}.faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}.faq-item.open .faq-a{max-height:180px;padding:0 0 18px}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}.cta{background:#e8f2ff}.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}.cta-copy p{color:var(--muted);max-width:600px}.contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}.field{margin-bottom:14px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}.field input:hover,.field textarea:hover{border-color:#aac3e6}.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}.field textarea{resize:vertical;min-height:78px}.form-note{font-size:12px;color:var(--muted);margin-top:10px}.footer{background:#eaf1f9;padding:47px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}.footer p,.footer a{color:#60718a;font-size:13px}.footer a:hover{color:var(--blue)}.footer h4{font-size:14px;margin-bottom:12px}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:900px){.desktop-nav{display:none}.mobile-toggle{display:block}.mobile-menu{position:absolute;top:70px;left:15px;right:15px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.mobile-menu.show{display:grid}.mobile-menu .nav-link{padding:12px}.hero-grid,.split,.split.reverse,.cta-grid{grid-template-columns:1fr;gap:30px}.data-preview{margin:0;max-width:none}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.hero{padding:125px 0 55px;min-height:auto}h1{font-size:39px;letter-spacing:-1px}.hero-copy{font-size:16px}.hero-actions>*{width:100%}.hero-points{gap:16px}.hero-points strong{font-size:21px}section{padding:58px 0}.data-band{grid-template-columns:repeat(2,1fr)}.data-cell{padding:18px}.data-cell strong{font-size:25px}.table-card{overflow-x:auto}.table-head,.table-line{min-width:620px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.copyright{display:grid;gap:7px}}

/* roulang page: category2 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    h1,h2,h3,h4,p{margin:0}
    .container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}
    .nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}
    .scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}
    .nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}
    .primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}
    .primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}
    .primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}
    .primary:focus,.secondary:focus,.text-btn:focus,.nav-link:focus,.mobile-toggle:focus,input:focus,textarea:focus{outline:3px solid #b9d2fa;outline-offset:2px}
    .secondary{background:#fff;color:var(--blue);border:1px solid #cbdcf2}
    .secondary:hover{border-color:var(--blue);background:#f1f6ff}
    .text-btn{padding:3px 0;color:var(--blue);border-radius:0}
    .text-btn:hover{color:var(--blue-dark);text-decoration:underline}
    .mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}
    .hero{min-height:575px;padding:155px 0 90px;background:linear-gradient(110deg,rgba(243,248,255,.97),rgba(243,248,255,.78) 52%,rgba(243,248,255,.35)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-2px;margin:18px 0}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.3;letter-spacing:-1px}
    h3{font-size:20px;line-height:1.45}
    .hero-copy{font-size:18px;color:#4d607b;max-width:650px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;margin-top:25px}
    .hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}
    .hero-points span{color:var(--muted);font-size:13px}
    .lead-box{background:rgba(255,255,255,.88);border:1px solid #fff;border-radius:24px;padding:27px;box-shadow:var(--shadow);max-width:430px;margin-left:auto}
    .lead-box p,.section-head p,.rich-copy p,.card p{color:var(--muted)}
    section{padding:86px 0}
    .section-head{max-width:740px;margin-bottom:34px}
    .section-head p{font-size:16px;margin-top:12px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}
    .feature-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
    .feature-image{min-height:365px;border-radius:var(--radius);overflow:hidden;position:relative}
    .feature-image img{height:100%;min-height:365px}
    .feature-overlay{position:absolute;inset:auto 0 0;padding:30px;color:#fff;background:linear-gradient(transparent,rgba(9,31,67,.86))}
    .topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}
    .mini-topic{display:flex;gap:14px;align-items:flex-start}
    .mini-topic b{color:var(--blue);font-size:25px;line-height:1}
    .mini-topic p{font-size:14px;color:var(--muted);margin-top:5px}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}
    .data-band div{background:#fff;padding:25px}
    .data-band strong{display:block;font-size:31px;color:var(--blue);line-height:1.25}
    .data-band span{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}
    .split img{border-radius:22px;aspect-ratio:1.1}
    .rich-copy p{font-size:16px;margin:15px 0}
    .check-list{list-style:none;margin:22px 0 0;padding:0}
    .check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 25px}
    .news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{color:var(--blue);font-weight:800;font-size:14px}
    .news-item p{font-size:13px;color:var(--muted);margin-top:4px}
    .faq-wrap{max-width:880px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}
    .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
    .cta-copy p{color:var(--muted);max-width:600px;margin-top:14px}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .field{margin-bottom:13px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}
    .field input:hover,.field textarea:hover{border-color:#aac3e6}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}
    .field textarea{resize:vertical;min-height:78px}.form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .footer{background:#eaf1f9;padding:47px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
    .footer p,.footer a{color:#60718a;font-size:13px}.footer a:hover{color:var(--blue)}
    .footer h4{font-size:14px;margin-bottom:12px}.footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:900px){.desktop-nav{display:none}.mobile-toggle{display:block}.mobile-menu{display:none;position:absolute;top:65px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:15px;padding:12px;box-shadow:var(--shadow)}.mobile-menu.show{display:grid}.hero-grid,.split,.cta-grid{grid-template-columns:1fr;gap:32px}.lead-box{margin:0;max-width:none}.feature-grid{grid-template-columns:1fr}.feature-image{min-height:310px}.data-band{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:600px){.container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.logo{font-size:18px}.hero{padding:130px 0 65px;min-height:auto}h1{font-size:39px}.hero-copy{font-size:16px}.hero-actions a{width:100%}section{padding:62px 0}.topic-grid,.data-band{grid-template-columns:1fr}.data-band div{padding:19px}.news-list{padding:5px 16px}.news-item{grid-template-columns:1fr;gap:4px;padding:18px 0}.news-item .text-btn{justify-content:flex-start}.footer-grid{grid-template-columns:1fr;gap:22px}}

/* roulang page: category1 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}a{text-decoration:none;color:inherit}img{display:block;width:100%;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}.site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}.nav-glass{background:rgba(255,255,255,.25);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.65);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}.scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}.logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}.nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}.primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}.primary{background:var(--blue);color:#fff;box-shadow:0 9px 20px rgba(20,85,192,.2)}.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}.primary:focus,.secondary:focus,.text-btn:focus,.mobile-toggle:focus,.faq-q:focus{outline:3px solid #b9d4ff;outline-offset:2px}.secondary{background:#fff;color:var(--blue);border:1px solid #c8d9ef}.secondary:hover{border-color:var(--blue);background:#edf4ff}.text-btn{padding:3px 0;color:var(--blue);border-radius:0}.text-btn:hover{color:var(--blue-dark);text-decoration:underline}.mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}.mobile-menu{display:none}
    .hero{padding:148px 0 76px;background:linear-gradient(110deg,rgba(243,248,255,.98),rgba(243,248,255,.82)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:65px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}h1{font-size:clamp(38px,5vw,65px);line-height:1.16;letter-spacing:-3px;margin:18px 0}h2{font-size:clamp(27px,3.3vw,42px);line-height:1.3;letter-spacing:-1.5px;margin:0 0 13px}h3{font-size:20px;line-height:1.4;margin:0 0 5px}.hero-copy,.section-head p,.rich-copy p,.card p{color:var(--muted)}.hero-copy{font-size:18px;max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:flex;gap:30px;flex-wrap:wrap;margin-top:25px}.hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}.hero-points span{color:var(--muted);font-size:13px}.hero-panel{background:#fff;border:1px solid #fff;border-radius:24px;padding:25px;box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:5px}.live{color:#16866c;background:var(--mint);border-radius:99px;padding:3px 9px;font-size:12px;font-weight:800}.match-row{display:grid;grid-template-columns:75px 1fr auto;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.match-row:last-child{border-bottom:0}.match-row time{font-size:13px;color:var(--muted)}.match-row b{font-size:15px}.match-row small{color:var(--muted)}
    section{padding:82px 0}.section-head{max-width:735px;margin-bottom:32px}.section-kicker{color:var(--blue);font-weight:800;font-size:13px;letter-spacing:.08em;margin-bottom:8px}.feature-layout{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}.feature-photo{min-height:365px;border-radius:var(--radius);overflow:hidden;position:relative}.feature-photo img{height:100%;min-height:365px}.photo-caption{position:absolute;left:20px;right:20px;bottom:18px;background:rgba(16,35,63,.8);color:#fff;border-radius:14px;padding:13px 16px;backdrop-filter:blur(8px)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}.insight-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.icon-box{width:42px;height:42px;border-radius:13px;background:#e8f1ff;color:var(--blue);display:grid;place-items:center;font-size:20px;margin-bottom:19px}.data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}.data-item{background:#fff;padding:23px}.data-item strong{display:block;color:var(--blue);font-size:30px;line-height:1.2}.data-item span{font-size:13px;color:var(--muted)}.deep-layout{display:grid;grid-template-columns:7fr 5fr;gap:55px;align-items:start}.rich-copy p{font-size:16px;margin:0 0 18px}.check-list{list-style:none;margin:0;padding:0}.check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}.check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}.schedule-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 25px}.schedule-item{display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.schedule-item:last-child{border-bottom:0}.schedule-item time{color:var(--blue);font-weight:800}.schedule-item p{margin:3px 0 0;color:var(--muted);font-size:13px}.faq-wrap{max-width:900px;margin:auto}.faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px;box-shadow:0 5px 18px rgba(26,67,126,.04)}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}.faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}.faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}.faq-item.open .faq-a{max-height:180px;padding:0 0 18px}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}.cta-copy p{color:var(--muted);max-width:600px}.contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}.field{margin-bottom:13px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}.field input:hover,.field textarea:hover{border-color:#aac3e6}.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}.field textarea{resize:vertical;min-height:75px}.form-note{font-size:12px;color:var(--muted);margin-top:10px}.footer{background:#eaf1f9;padding:47px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}.footer p,.footer a{color:#60718a;font-size:13px}.footer a:hover{color:var(--blue)}.footer h4{font-size:14px;margin:0 0 12px}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:1024px){.desktop-nav{display:none}.mobile-toggle{display:inline-block}.mobile-menu{position:absolute;display:none;top:66px;left:10px;right:10px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.mobile-menu.show{display:grid}.mobile-menu .nav-link{padding:12px}.hero-grid,.feature-layout,.deep-layout,.cta-grid{grid-template-columns:1fr;gap:30px}.hero-panel{max-width:620px}.data-band{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.logo{font-size:18px}.logo-mark{width:31px;height:31px}.hero{padding:125px 0 55px}.hero-copy{font-size:16px}h1{font-size:39px;letter-spacing:-2px}.hero-actions .primary,.hero-actions .secondary{width:100%}section{padding:58px 0}.feature-photo,.feature-photo img{min-height:280px}.insight-grid{grid-template-columns:1fr}.data-band{grid-template-columns:1fr 1fr}.data-item{padding:17px}.data-item strong{font-size:25px}.schedule-item{grid-template-columns:65px 1fr;gap:10px}.schedule-item .text-btn{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:grid;gap:8px}.primary{padding:11px 16px}}

/* roulang page: category6 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}
    .nav-glass{background:rgba(255,255,255,.3);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.65);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}
    .scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}
    .nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}
    .primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}
    .primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}
    .primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}
    .primary:focus-visible,.secondary:focus-visible,.text-btn:focus-visible,.nav-link:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #9fc3f6;outline-offset:3px}
    .secondary{background:#edf4ff;color:var(--blue);border:1px solid #cfe0f7}
    .secondary:hover{background:#dceaff}
    .text-btn{padding:3px 0;color:var(--blue);border-radius:0}
    .text-btn:hover{color:var(--blue-dark);text-decoration:underline}
    .mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}
    .mobile-menu{display:none}
    .hero{padding:160px 0 78px;background:linear-gradient(110deg,rgba(243,248,255,.97),rgba(243,248,255,.77)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:800;letter-spacing:-.035em}
    h1{font-size:clamp(38px,5vw,66px);margin:20px 0 18px}
    h2{font-size:clamp(28px,3.5vw,43px)}
    h3{font-size:21px}
    .hero-copy{font-size:18px;color:#4d607b;max-width:670px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 0}
    .hero-visual{background:#fff;border:1px solid #fff;border-radius:26px;padding:14px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .hero-visual img{height:330px;border-radius:18px}
    .visual-caption{display:flex;justify-content:space-between;align-items:center;padding:14px 7px 3px;color:var(--muted);font-size:13px}
    section{padding:86px 0}
    .section-head{max-width:740px;margin-bottom:34px}
    .section-head p,.rich-copy p{color:var(--muted);font-size:16px}
    .section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.08em;margin-bottom:10px}
    .intro-grid{display:grid;grid-template-columns:5fr 7fr;gap:58px;align-items:start}
    .rich-copy p{margin:0 0 18px}
    .note-panel{background:#e9f3ff;border-radius:22px;padding:28px;border:1px solid #d2e4f8}
    .note-panel strong{font-size:34px;color:var(--blue);display:block;line-height:1.2}
    .note-panel span{display:block;color:var(--muted);margin-top:5px}
    .note-list{border-top:1px solid #c9dced;margin-top:22px;padding-top:12px}
    .note-list div{display:flex;justify-content:space-between;padding:9px 0;color:#49617d;border-bottom:1px solid #d6e5f3}
    .news-section{background:#fff}
    .news-layout{display:grid;grid-template-columns:3.2fr 1fr;gap:28px;align-items:start}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:8px 26px;box-shadow:0 12px 35px rgba(26,67,126,.06)}
    .news-item{display:grid;grid-template-columns:94px 1fr auto;gap:20px;align-items:center;padding:23px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;color:var(--blue);font-weight:800}
    .news-item p{font-size:13px;color:var(--muted);margin:5px 0 0;line-height:1.7}
    .news-side{background:#f5f8fc;border:1px solid var(--line);border-radius:20px;padding:23px}
    .news-side h3{font-size:18px;margin-bottom:12px}
    .news-side a{display:block;padding:12px 0;border-bottom:1px solid var(--line);color:#45617f}
    .news-side a:hover{color:var(--blue)}
    .feature{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
    .feature img{height:350px;border-radius:24px}
    .feature-copy p{color:var(--muted);font-size:16px}
    .check-list{list-style:none;margin:21px 0 0;padding:0}
    .check-list li{padding:12px 0 12px 30px;border-bottom:1px solid var(--line);position:relative;color:#445773}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
    .topic-band{background:#edf5ff}
    .topic-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:16px}
    .topic-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;transition:.25s}
    .topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bdd2ed}
    .topic-card p{color:var(--muted);font-size:14px;margin:9px 0 16px}
    .topic-card:first-child{background:var(--blue);color:#fff}
    .topic-card:first-child p{color:#dceaff}
    .tag.light{background:#e9f6f2;color:#167261}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:14px;padding:0 20px;box-shadow:0 7px 20px rgba(26,67,126,.04)}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}
    .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
    .cta-copy p{color:var(--muted);max-width:600px}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .field{margin-bottom:14px}
    .field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
    .field input{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}
    .field input:hover{border-color:#aac3e6}
    .field input:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .footer{background:#eaf1f9;padding:47px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
    .footer p,.footer a{color:#60718a;font-size:13px}
    .footer a:hover{color:var(--blue)}
    .footer h4{font-size:14px;margin-bottom:12px}
    .footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:900px){
      .desktop-nav{display:none}
      .mobile-toggle{display:block}
      .mobile-menu{position:absolute;display:none;top:66px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}
      .mobile-menu.open{display:grid;gap:4px}
      .hero-grid,.intro-grid,.feature,.cta-grid,.news-layout{grid-template-columns:1fr;gap:30px}
      .hero{padding-top:130px}
      .hero-visual{max-width:650px}
      .topic-grid{grid-template-columns:1fr 1fr}
      .topic-card:first-child{grid-column:span 2}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
    }
    @media(max-width:600px){
      .container{width:min(100% - 28px,1200px)}
      .site-header{padding:12px 0}
      .nav-glass{padding:8px 10px}
      .logo{font-size:18px}
      .logo-mark{width:31px;height:31px}
      h1{font-size:39px}
      section{padding:62px 0}
      .hero{padding:118px 0 60px}
      .hero-copy{font-size:16px}
      .hero-actions .primary,.hero-actions .secondary{width:100%}
      .hero-visual img{height:240px}
      .news-list{padding:6px 16px}
      .news-item{grid-template-columns:1fr;gap:5px;padding:18px 0}
      .news-item .text-btn{justify-content:flex-start}
      .topic-grid{grid-template-columns:1fr}
      .topic-card:first-child{grid-column:auto}
      .feature img{height:235px}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:span 2}
      .copyright{display:grid;gap:6px}
    }

/* roulang page: category4 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}a{text-decoration:none;color:inherit}img{display:block;width:100%;object-fit:cover}button,input,textarea{font:inherit}button{cursor:pointer;border:0}.container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}.site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}.nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}.scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}.logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}.logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}.nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}.primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}.primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}.primary:hover{background:var(--blue-dark);transform:translateY(-2px)}.primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}.secondary{background:#fff;color:var(--blue);border:1px solid #bfd2ed}.secondary:hover{border-color:var(--blue);background:#edf4ff}.text-btn{padding:3px 0;color:var(--blue);border-radius:0}.text-btn:hover{color:var(--blue-dark);text-decoration:underline}.primary:focus-visible,.secondary:focus-visible,.text-btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible{outline:3px solid #9fc2fa;outline-offset:3px}.mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}.mobile-menu{display:none}
    .page-hero{padding:160px 0 85px;background:linear-gradient(110deg,rgba(243,248,255,.98),rgba(232,242,255,.78)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}h1,h2,h3,h4{margin:0;line-height:1.3}h1{font-size:clamp(38px,5vw,64px);letter-spacing:-2px;margin:20px 0 18px}h2{font-size:clamp(28px,3vw,40px);letter-spacing:-1px}h3{font-size:20px}.hero-copy{font-size:18px;color:#4d607b;max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-panel{background:rgba(255,255,255,.9);border:1px solid #fff;border-radius:24px;padding:25px;box-shadow:var(--shadow)}.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.live-dot{color:#168b70;font-size:13px;font-weight:700}.live-dot:before{content:"";display:inline-block;width:8px;height:8px;background:#2bb892;border-radius:50%;margin-right:6px}.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.metric{background:#f5f8fc;border-radius:13px;padding:15px 12px}.metric strong{display:block;color:var(--blue);font-size:25px;line-height:1.3}.metric span{font-size:12px;color:var(--muted)}.mini-bars{margin-top:20px}.bar-line{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);margin:10px 0}.bar{height:8px;flex:1;background:#e2eaf5;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:var(--blue);border-radius:99px}.bar.orange i{background:var(--orange)}
    section{padding:90px 0}.section-head{max-width:760px;margin-bottom:34px}.section-head p,.rich-copy p{color:var(--muted);font-size:16px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}.card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}.card p{color:var(--muted);font-size:14px;margin-top:8px}.data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}.data-cell{background:#fff;padding:25px}.data-cell strong{display:block;font-size:32px;color:var(--blue);line-height:1.3}.data-cell span{color:var(--muted);font-size:13px}.two-col{display:grid;grid-template-columns:.85fr 1.15fr;gap:55px;align-items:start}.image-frame{border-radius:22px;overflow:hidden;box-shadow:var(--shadow)}.image-frame img{aspect-ratio:1.25}.check-list{list-style:none;padding:0;margin:15px 0 0}.check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}.check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}.table-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.table-row{display:grid;grid-template-columns:1.2fr .8fr .8fr .8fr;gap:15px;align-items:center;padding:17px 22px;border-bottom:1px solid var(--line)}.table-row:last-child{border-bottom:0}.table-row.header{background:#edf4ff;color:var(--blue);font-size:13px;font-weight:800}.number{font-weight:800;color:var(--blue)}.trend{color:#168b70;font-size:13px}.note{font-size:13px;color:var(--muted);background:#f3f7fb;border-left:3px solid var(--orange);padding:15px 18px;border-radius:0 12px 12px 0;margin-top:25px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step{position:relative;padding-top:55px}.step-num{position:absolute;top:0;left:0;width:38px;height:38px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}.step:not(:last-child):after{content:"";position:absolute;top:19px;right:-18px;width:18px;height:1px;background:#b9cae2}.feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}.feature-grid .card:first-child{background:linear-gradient(135deg,#1455c0,#2c76d7);color:#fff}.feature-grid .card:first-child p{color:#dceaff}.faq-wrap{max-width:880px;margin:auto}.faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px}.faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}.faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}.faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}.faq-item.open .faq-a{max-height:180px;padding:0 0 18px}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}.cta{background:#e8f2ff}.cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}.cta-copy p{color:var(--muted);max-width:600px}.contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}.field{margin-bottom:14px}.field label{display:block;font-weight:700;font-size:13px;margin-bottom:5px}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}.field input:hover,.field textarea:hover{border-color:#aac3e6}.field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}.field textarea{resize:vertical;min-height:78px}.form-note{font-size:12px;color:var(--muted);margin-top:10px}.footer{background:#eaf1f9;padding:47px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}.footer p,.footer a{color:#60718a;font-size:13px}.footer a:hover{color:var(--blue)}.footer h4{font-size:14px;margin-bottom:12px}.footer-links{display:grid;gap:6px}.copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:900px){.desktop-nav{display:none}.mobile-toggle{display:block}.mobile-menu{position:absolute;display:none;top:64px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.mobile-menu.show{display:grid}.mobile-menu .nav-link{padding:12px}.hero-layout,.two-col,.cta-grid{grid-template-columns:1fr;gap:32px}.hero-panel{max-width:600px}.feature-grid{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.step:not(:last-child):after{display:none}}
    @media(max-width:640px){.container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.logo{font-size:18px}.logo-mark{width:31px;height:31px}.page-hero{padding:125px 0 65px}h1{font-size:39px;letter-spacing:-1px}section{padding:62px 0}.hero-copy{font-size:16px}.hero-actions>*{width:100%}.metric-row,.data-band{grid-template-columns:repeat(2,1fr)}.data-cell{padding:18px}.data-cell strong{font-size:26px}.table-card{overflow-x:auto}.table-row{min-width:590px}.steps{grid-template-columns:1fr}.card{padding:20px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.footer-grid>div:first-child{grid-column:1/-1}.copyright{display:grid;gap:7px}}

/* roulang page: category7 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}
    .nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}
    .scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}
    .nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}
    .primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}
    .primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}
    .primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}
    .primary:focus-visible,.secondary:focus-visible,.text-btn:focus-visible,.nav-link:focus-visible,.mobile-toggle:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #9cc3ff;outline-offset:3px}
    .secondary{background:#fff;color:var(--blue);border:1px solid #cbdcf3}
    .secondary:hover{background:#edf4ff;border-color:#9dbce6}
    .text-btn{padding:3px 0;color:var(--blue);border-radius:0}
    .text-btn:hover{color:var(--blue-dark);text-decoration:underline}
    .mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}
    .mobile-menu{display:none}
    .inner-hero{padding:155px 0 84px;background:linear-gradient(110deg,rgba(243,248,255,.97),rgba(243,248,255,.7)),url('/assets/images/backpic/back-2.webp') center/cover}
    .inner-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.03em}
    h1{font-size:clamp(40px,5vw,66px);margin:18px 0}
    h2{font-size:clamp(28px,3vw,42px)}
    h3{font-size:21px}
    .hero-copy{font-size:18px;color:#4d607b;max-width:690px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .guide-panel{background:rgba(255,255,255,.9);border:1px solid #fff;border-radius:24px;padding:28px;box-shadow:var(--shadow)}
    .guide-panel img{height:220px;border-radius:16px;margin-bottom:21px}
    .guide-panel ul{list-style:none;padding:0;margin:15px 0 0}
    .guide-panel li{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);color:var(--muted)}
    .guide-panel li strong{color:var(--blue)}
    section{padding:88px 0}
    .section-head{max-width:730px;margin-bottom:34px}
    .section-head p,.rich-copy p{color:var(--muted);font-size:16px}
    .section-kicker{color:var(--blue);font-weight:800;font-size:13px;margin-bottom:10px}
    .overview{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .overview-text p{color:var(--muted);font-size:16px;margin:15px 0}
    .route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}
    .card p{color:var(--muted);font-size:14px;margin-top:8px}
    .route-card{min-height:190px;position:relative}
    .route-no{color:var(--blue);font-size:13px;font-weight:800;margin-bottom:22px}
    .route-card .text-btn{margin-top:18px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .image-frame img{aspect-ratio:1.18;border-radius:22px}
    .rich-copy p{margin:16px 0}
    .check-list{list-style:none;padding:0;margin-top:22px}
    .check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}
    .data-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cbd9ea;border:1px solid #cbd9ea;border-radius:18px;overflow:hidden}
    .metric{background:#fff;padding:26px 25px}
    .metric strong{display:block;color:var(--blue);font-size:32px;line-height:1.2}
    .metric span{color:var(--muted);font-size:13px}
    .feature-area{background:#edf4fc}
    .feature-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .feature-large{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
    .feature-large img{height:290px}
    .feature-large .feature-body{padding:28px}
    .small-stack{display:grid;gap:18px}
    .small-feature{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px}
    .small-feature span{font-size:12px;color:var(--blue);font-weight:800}
    .timeline{border-left:2px solid #c9daf1;margin:12px 0 0 13px}
    .timeline-item{position:relative;padding:0 0 30px 35px}
    .timeline-item:before{content:"";position:absolute;left:-8px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:4px solid #e5effc}
    .timeline-item p{color:var(--muted);margin-top:6px}
    .faq-wrap{max-width:880px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px;box-shadow:0 5px 18px rgba(26,67,126,.04)}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}
    .cta-grid{display:grid;grid-template-columns:1fr .9fr;gap:60px;align-items:center}
    .cta-copy p{color:var(--muted);max-width:600px}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .field{margin-bottom:13px}
    .field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}
    .field input:hover,.field textarea:hover{border-color:#aac3e6}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}
    .field textarea{resize:vertical;min-height:78px}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .footer{background:#eaf1f9;padding:47px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
    .footer p,.footer a{color:#60718a;font-size:13px}
    .footer a:hover{color:var(--blue)}
    .footer h4{font-size:14px;margin-bottom:12px}
    .footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:1024px){.desktop-nav{display:none}.mobile-toggle{display:block}.mobile-menu{position:absolute;top:65px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow);display:none}.mobile-menu.show{display:grid}.inner-grid,.overview,.split,.feature-grid,.cta-grid{grid-template-columns:1fr;gap:35px}.guide-panel{max-width:600px}.data-band{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:640px){.container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.logo{font-size:18px}.logo-mark{width:32px;height:32px}.inner-hero{padding:125px 0 60px}h1{font-size:40px}.hero-copy{font-size:16px}.hero-actions>*{width:100%}section{padding:62px 0}.route-grid{grid-template-columns:1fr}.data-band{grid-template-columns:1fr 1fr}.metric{padding:20px 14px}.metric strong{font-size:25px}.feature-large img{height:210px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:grid;gap:8px}.desktop-nav{display:none}}

/* roulang page: category5 */
:root{--blue:#1455c0;--blue-dark:#0d3f94;--ink:#10233f;--muted:#60708a;--bg:#f5f8fc;--line:#dfe7f2;--mint:#d9f4ed;--orange:#f49a54;--radius:20px;--shadow:0 18px 48px rgba(26,67,126,.11)}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;font-size:15px}
    a{text-decoration:none;color:inherit}
    img{display:block;width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0}
    h1,h2,h3,h4,p{margin:0}
    .container{width:min(1200px,calc(100% - 40px));margin:auto}
    .site-header{position:absolute;top:0;left:0;right:0;z-index:20;padding:18px 0;transition:.3s}
    .site-header.scrolled{position:fixed;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);box-shadow:0 8px 25px rgba(19,53,100,.08);border-bottom:1px solid var(--line);padding:11px 0}
    .nav-glass{background:rgba(255,255,255,.22);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.55);border-radius:17px;padding:9px 14px;box-shadow:0 8px 30px rgba(19,53,100,.08)}
    .scrolled .nav-glass{background:transparent;border-color:transparent;box-shadow:none}
    .logo{display:flex;align-items:center;gap:10px;font-size:21px;font-weight:800;letter-spacing:-1px}
    .logo-mark{width:35px;height:35px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900;transform:rotate(-8deg)}
    .nav-link{padding:8px 10px;color:#30415a;font-weight:600;transition:.2s;border-radius:10px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--blue);background:#edf4ff}
    .primary,.secondary,.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:11px;padding:12px 20px;font-weight:700;transition:.2s}
    .primary{background:var(--blue);color:#fff;box-shadow:0 8px 18px rgba(20,85,192,.2)}
    .primary:hover{background:var(--blue-dark);transform:translateY(-2px)}
    .primary:active,.secondary:active{transform:translateY(1px);box-shadow:none}
    .primary:focus-visible,.secondary:focus-visible,.text-btn:focus-visible,.nav-link:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #91b9f3;outline-offset:3px}
    .secondary{background:#fff;color:var(--blue);border:1px solid #bdd2ed}
    .secondary:hover{background:#edf4ff;border-color:var(--blue)}
    .text-btn{padding:3px 0;color:var(--blue);border-radius:0}
    .text-btn:hover{color:var(--blue-dark);text-decoration:underline}
    .mobile-toggle{display:none;background:#edf4ff;color:var(--blue);padding:8px 11px;border-radius:9px}
    .mobile-menu{display:none}
    .hero{padding:156px 0 82px;background:linear-gradient(105deg,rgba(244,248,255,.98),rgba(239,247,255,.82)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:62px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-size:13px;font-weight:800;background:#e8f1ff;padding:5px 11px;border-radius:99px}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
    .hero h1{font-size:clamp(38px,5vw,68px);line-height:1.15;letter-spacing:-3px;margin:20px 0 18px}
    .hero-copy{font-size:18px;color:#4d607b;max-width:560px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}
    .hero-points{display:flex;gap:28px;flex-wrap:wrap;margin-top:25px}
    .hero-points strong{display:block;font-size:24px;color:var(--blue);line-height:1.2}
    .hero-points span{color:var(--muted);font-size:13px}
    .feature-visual{position:relative}
    .feature-visual img{height:430px;border-radius:26px;box-shadow:0 24px 60px rgba(23,67,130,.2)}
    .visual-caption{position:absolute;left:22px;bottom:22px;right:22px;padding:18px 20px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.8);border-radius:16px}
    .play{position:absolute;top:22px;right:22px;width:54px;height:54px;border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;box-shadow:0 10px 25px #1746812e}
    section{padding:88px 0}
    .section-head{max-width:740px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-1px;margin-bottom:12px}
    .section-head p,.rich-copy p{color:var(--muted);font-size:16px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:25px;transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(26,67,126,.16);border-color:#bfd3ee}
    .card p{color:var(--muted);font-size:14px;margin-top:8px}
    .analysis-intro{display:grid;grid-template-columns:5fr 7fr;gap:55px;align-items:start}
    .rich-copy h3{font-size:25px;margin-bottom:15px}
    .rich-copy p{margin-bottom:17px}
    .signal-list{display:grid;gap:12px}
    .signal-item{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:15px}
    .signal-num{width:35px;height:35px;border-radius:11px;background:#e8f1ff;color:var(--blue);display:grid;place-items:center;font-weight:800}
    .signal-item p{color:var(--muted);font-size:14px;margin-top:4px}
    .topic-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:25px;box-shadow:var(--shadow)}
    .topic-panel img{height:230px;border-radius:17px;margin-bottom:20px}
    .topic-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px}
    .grid-small{display:grid;gap:20px}
    .grid-small .card:first-child{background:#eaf7f4}
    .stat-band{background:#1455c0;color:#fff;border-radius:22px;padding:28px 34px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
    .stat-band div{padding-right:20px;border-right:1px solid #ffffff35}
    .stat-band div:last-child{border:0}
    .stat-band strong{display:block;font-size:31px;line-height:1.3}
    .stat-band span{color:#d8e8ff;font-size:13px}
    .reading-zone{background:#eef5fc}
    .reading-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .reading-grid img{height:390px;border-radius:22px;box-shadow:var(--shadow)}
    .check-list{list-style:none;margin:20px 0 25px;padding:0}
    .check-list li{padding:13px 0 13px 31px;border-bottom:1px solid var(--line);position:relative;color:#445773}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--blue);font-weight:900}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:10px 25px}
    .news-item{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-item:last-child{border-bottom:0}
    .news-date{font-size:13px;color:var(--blue);font-weight:800}
    .news-item p{font-size:13px;color:var(--muted);margin-top:4px}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line);background:#fff;margin-bottom:10px;border-radius:13px;padding:0 20px;box-shadow:0 5px 18px rgba(28,67,120,.04)}
    .faq-q{width:100%;display:flex;justify-content:space-between;text-align:left;background:none;padding:18px 0;font-weight:800;color:var(--ink)}
    .faq-q span:last-child{color:var(--blue);font-size:22px;transition:.2s}
    .faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:max-height .3s,padding .3s;font-size:14px}
    .faq-item.open .faq-a{max-height:180px;padding:0 0 18px}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .cta{background:#e8f2ff}
    .cta-grid{display:grid;grid-template-columns:1fr .85fr;gap:60px;align-items:center}
    .cta-copy h2{font-size:38px;line-height:1.3;margin-bottom:13px}
    .cta-copy p{color:var(--muted);max-width:600px}
    .contact-form{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:var(--shadow)}
    .field{margin-bottom:13px}
    .field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}
    .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 12px;color:var(--ink);transition:.2s}
    .field input:hover,.field textarea:hover{border-color:#aac3e6}
    .field input:focus,.field textarea:focus{border-color:var(--blue);box-shadow:0 0 0 4px #e5efff;outline:0}
    .field textarea{resize:vertical;min-height:78px}
    .form-note{font-size:12px;color:var(--muted);margin-top:10px}
    .form-status{color:var(--blue);font-size:13px;margin-top:9px;min-height:22px}
    .footer{background:#eaf1f9;padding:47px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-bottom:35px}
    .footer p,.footer a{color:#60718a;font-size:13px}
    .footer a:hover{color:var(--blue)}
    .footer h4{font-size:14px;margin-bottom:12px}
    .footer-links{display:grid;gap:6px}
    .copyright{border-top:1px solid #d1ddea;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#718198;font-size:12px}
    @media(max-width:900px){
      .desktop-nav{display:none!important}.mobile-toggle{display:block}.mobile-menu{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:var(--shadow)}.mobile-menu.show{display:grid;gap:4px}
      .hero-grid,.analysis-intro,.reading-grid,.cta-grid{grid-template-columns:1fr;gap:32px}.topic-grid{grid-template-columns:1fr}.feature-visual img{height:350px}.stat-band{grid-template-columns:repeat(2,1fr)}.stat-band div:nth-child(2){border:0}.footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:560px){
      .container{width:min(100% - 28px,1200px)}.site-header{padding:12px 0}.nav-glass{padding:8px 10px}.logo{font-size:18px}.logo-mark{width:31px;height:31px}.hero{padding:126px 0 60px}.hero h1{font-size:39px;letter-spacing:-2px}.hero-copy{font-size:16px}.hero-actions>*{width:100%}.feature-visual img{height:260px}.visual-caption{left:12px;right:12px;bottom:12px;padding:12px}.play{top:12px;right:12px;width:45px;height:45px}section{padding:62px 0}.stat-band{grid-template-columns:1fr 1fr;padding:20px}.stat-band strong{font-size:25px}.news-list{padding:8px 16px}.news-item{grid-template-columns:1fr;gap:3px;padding:17px 0}.news-item .text-btn{justify-content:flex-start}.footer-grid{grid-template-columns:1fr;gap:24px}.copyright{display:grid;gap:8px}.cta-copy h2{font-size:30px}
    }