/* roulang page: index */
:root{
      --navy:#10294a;
      --blue:#2563eb;
      --cyan:#18a6c9;
      --ink:#152238;
      --muted:#66758b;
      --paper:#f5f8fc;
      --line:#e1e8f1;
      --white:#fff;
      --gold:#f1b84b;
      --radius:22px;
      --shadow:0 18px 50px rgba(28,59,102,.10);
      --soft-shadow:0 8px 24px rgba(25,58,100,.08);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .topline{height:4px;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--gold))}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.85)}
    .nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}
    .nav-group{display:flex;align-items:center;gap:22px}
    .nav-group.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}
    .nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--blue)}
    .nav-link:hover:after,.nav-link.active:after{right:0}
    .brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}
    .brand em{font-style:normal;color:var(--blue)}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent;cursor:pointer}
    .nav-cta{background:var(--navy);color:white;padding:9px 17px;font-size:13px}
    .nav-cta:hover{background:var(--blue);transform:translateY(-2px)}
    .menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .hero{min-height:610px;background:linear-gradient(90deg,rgba(8,30,59,.89),rgba(16,41,74,.64)),url("/assets/images/backpic/back-1.webp") center/cover;display:flex;align-items:center;color:white;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;inset:auto -8% -45% 40%;height:480px;border:1px solid rgba(255,255,255,.2);border-radius:50%;transform:rotate(-15deg)}
    .hero-inner{position:relative;z-index:1;padding:80px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}
    .eyebrow{color:#bfeaf5;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-2px;max-width:760px;margin-bottom:24px}
    .hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:34px}
    .btn{padding:13px 22px;font-size:14px}
    .btn-primary{background:#fff;color:var(--navy)}
    .btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:white}
    .btn-outline:hover{border-color:white;background:rgba(255,255,255,.1)}
    .hero-points{display:flex;gap:30px;flex-wrap:wrap}
    .hero-point{border-left:2px solid var(--gold);padding-left:12px}
    .hero-point strong{display:block;font-size:21px;color:white}
    .hero-point span{font-size:12px;color:rgba(255,255,255,.65)}
    .section{padding:94px 0}
    .section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px}
    .section-head p{max-width:560px;color:var(--muted);font-size:15px}
    .kicker{color:var(--blue);font-weight:800;font-size:12px;letter-spacing:2px;margin-bottom:10px}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .feature-main,.feature-card,.topic-card,.metric-panel,.guide-card,.news-box,.quote-box,.security-box,.matrix-card,.faq-item,.download-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .feature-main{overflow:hidden;position:relative;min-height:390px}
    .feature-main img{width:100%;height:100%;min-height:390px}
    .feature-overlay{position:absolute;inset:0;padding:32px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(0deg,rgba(9,29,54,.85),transparent 65%);color:#fff}
    .feature-overlay h3{font-size:27px;margin:10px 0 5px}
    .feature-overlay p{color:rgba(255,255,255,.78);font-size:14px;max-width:500px}
    .feature-side{display:grid;gap:24px}
    .feature-card{padding:28px;display:flex;gap:18px;align-items:flex-start}
    .icon{width:46px;height:46px;border-radius:14px;background:#e9f5ff;color:var(--blue);display:grid;place-items:center;font-weight:900;flex:none}
    .feature-card h3,.topic-card h3{font-size:18px;color:var(--navy);margin-bottom:7px}
    .feature-card p,.topic-card p{font-size:14px;color:var(--muted)}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .topic-card{overflow:hidden}
    .topic-card img{height:145px;width:100%}
    .topic-card-body{padding:20px}
    .tag{letter-spacing:0;font-size:11px;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:12px}
    .topic-card:nth-child(2) .tag{color:#087f83;background:#e5fbf7}
    .topic-card:nth-child(3) .tag{color:#9a6710;background:#fff5d9}
    .topic-card:nth-child(4) .tag{color:#92516e;background:#faeaf2}
    .dashboard{background:var(--navy);color:#fff;border-radius:28px;padding:42px;position:relative;overflow:hidden}
    .dashboard:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.09);border-radius:50%;right:-100px;top:-160px}
    .dashboard-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
    .dashboard h2{font-size:34px;line-height:1.3;margin-bottom:15px}
    .dashboard p{color:#afc2da;font-size:14px}
    .metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:22px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:16px}
    .metric strong{font-size:29px;color:#fff;display:block}
    .metric span{font-size:12px;color:#a8bfd8}
    .bar-list{margin-top:24px;display:grid;gap:15px}
    .bar-row{display:grid;grid-template-columns:100px 1fr 45px;align-items:center;gap:10px;font-size:12px;color:#b7c8dc}
    .bar{height:7px;background:#294463;border-radius:9px;overflow:hidden}
    .bar i{height:100%;display:block;background:linear-gradient(90deg,var(--cyan),#76d8eb);border-radius:9px}
    .calendar{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .calendar-item{padding:23px;border-left:3px solid var(--cyan);background:#f1f8fc;border-radius:0 15px 15px 0}
    .calendar-item time{font-size:12px;color:var(--blue);font-weight:800}
    .calendar-item h3{font-size:17px;color:var(--navy);margin:9px 0 5px}
    .calendar-item p{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
    .split img{height:390px;width:100%;border-radius:25px;box-shadow:var(--shadow)}
    .split-copy h2{font-size:35px;color:var(--navy);line-height:1.3;margin-bottom:17px}
    .split-copy>p{color:var(--muted);font-size:15px;margin-bottom:22px}
    .check-list{display:grid;gap:13px}
    .check-list li{list-style:none;display:flex;gap:12px;font-size:14px;color:#44556c}
    .check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .news-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
    .news-box{padding:12px 28px}
    .news-row{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:19px 0;border-bottom:1px solid var(--line)}
    .news-row:last-child{border-bottom:0}
    .news-row time{font-size:12px;color:var(--blue);font-weight:800}
    .news-row h3{font-size:15px;color:var(--navy)}
    .news-row p{font-size:12px;color:var(--muted);margin-top:2px}
    .read{font-size:12px;color:var(--blue);white-space:nowrap}
    .quote-box{padding:34px;background:#edf7ff;border:0}
    .quote-box .mark{font-size:44px;color:var(--cyan);line-height:1}
    .quote-box p{font-size:17px;color:var(--navy);font-weight:600;margin:8px 0 20px}
    .quote-box small{color:var(--muted)}
    .guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .guide-card{padding:27px}
    .guide-num{font-size:34px;color:#c9d9eb;font-weight:900}
    .guide-card h3{color:var(--navy);font-size:18px;margin:4px 0 8px}
    .guide-card p{font-size:14px;color:var(--muted)}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .matrix-card{padding:24px}
    .matrix-card h3{font-size:17px;color:var(--navy);margin-bottom:7px}
    .matrix-card p{font-size:13px;color:var(--muted)}
    .security{background:#f0f7f8}
    .security-box{padding:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;background:transparent;border:0;box-shadow:none}
    .security-item{display:flex;gap:15px}
    .security-item strong{display:block;color:var(--navy);font-size:16px}
    .security-item span{font-size:13px;color:var(--muted)}
    .faq{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .faq-item{padding:22px 25px}
    .faq-item h3{font-size:16px;color:var(--navy);margin-bottom:7px}
    .faq-item p{font-size:13px;color:var(--muted)}
    .cta{padding:72px 0;background:linear-gradient(110deg,#10345b,#176b91);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{font-size:34px;line-height:1.3;margin-bottom:10px}
    .cta p{color:#c9e2ed;font-size:14px;max-width:650px}
    .footer{background:#0c2039;color:#b2c2d6;padding:58px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:35px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer .brand{color:#fff;display:block;margin-bottom:15px}
    .footer p{font-size:13px;color:#91a8c2;max-width:330px}
    .footer h3{font-size:14px;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:8px;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#8197af}
    .float-cta{position:fixed;right:22px;bottom:22px;z-index:15;background:var(--blue);color:white;padding:12px 17px;border-radius:30px;box-shadow:0 10px 25px rgba(37,99,235,.3);font-size:13px;font-weight:bold}
    :focus-visible{outline:3px solid #76d8eb;outline-offset:3px}
    @media(max-width:1024px){.nav-shell{grid-template-columns:auto 1fr auto}.nav-group{display:none}.brand{text-align:center}.menu-btn{display:block}.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 28px,600px)}.nav-shell{height:68px}.hero{min-height:650px}.section{padding:65px 0}.section-head,.cta-inner{display:block}.section-head p{margin-top:15px}.feature-grid,.dashboard-grid,.split,.news-layout{grid-template-columns:1fr}.dashboard-grid{gap:30px}.calendar,.guide-grid,.matrix,.security-box{grid-template-columns:1fr 1fr}.split img{height:290px}.cta .btn{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:38px}.hero-copy{font-size:15px}.hero-points{gap:18px}.topic-grid,.calendar,.guide-grid,.matrix,.security-box,.faq{grid-template-columns:1fr}.metrics{grid-template-columns:1fr 1fr}.dashboard{padding:27px 20px}.dashboard h2,.split-copy h2,.cta h2{font-size:28px}.news-box{padding:8px 17px}.news-row{grid-template-columns:1fr auto;gap:5px}.news-row time{grid-column:1/-1}.news-row p{display:none}.footer-grid{grid-template-columns:1fr}.float-cta{right:14px;bottom:14px}}

/* roulang page: category1 */
:root{--navy:#10294a;--blue:#2563eb;--cyan:#18a6c9;--ink:#152238;--muted:#66758b;--paper:#f5f8fc;--line:#e1e8f1;--white:#fff;--gold:#f1b84b;--radius:22px;--shadow:0 18px 50px rgba(28,59,102,.10);--soft-shadow:0 8px 24px rgba(25,58,100,.08)}
    *{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.85)}.nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}.nav-group{display:flex;align-items:center;gap:22px}.nav-group.right{justify-content:flex-end}.nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}.nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}.nav-link:hover,.nav-link.active{color:var(--blue)}.nav-link:hover:after,.nav-link.active:after{right:0}.brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}.brand em{font-style:normal;color:var(--blue)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent;cursor:pointer}.nav-cta{background:var(--navy);color:#fff;padding:9px 17px;font-size:13px}.nav-cta:hover{background:var(--blue);transform:translateY(-2px)}.menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line)}.mobile-nav.show{display:block}.mobile-nav a{display:block;padding:8px 0;color:var(--navy);font-size:14px}
    .hero{min-height:500px;background:linear-gradient(90deg,rgba(8,30,59,.9),rgba(16,41,74,.62)),url("/assets/images/backpic/back-2.webp") center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -8% -45% 40%;height:480px;border:1px solid rgba(255,255,255,.2);border-radius:50%;transform:rotate(-15deg)}.hero-inner{position:relative;z-index:1;padding:76px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}.eyebrow{color:#bfeaf5;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}h1{font-size:clamp(36px,5vw,64px);line-height:1.16;letter-spacing:-2px;max-width:700px}.hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin:22px 0 30px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px}.btn{padding:13px 22px;font-size:14px}.btn-primary{background:#fff;color:var(--navy)}.btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}.btn-outline{border-color:rgba(255,255,255,.45);color:#fff}.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
    .section{padding:88px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px}.section-head p{max-width:570px;color:var(--muted);font-size:15px}.tag{letter-spacing:0;font-size:11px;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:12px}
    .entry-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch}.entry-card,.step-card,.security-box,.faq-item,.contact-panel,.proof-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}.entry-card{overflow:hidden}.entry-card img{width:100%;height:260px}.entry-body{padding:29px}.entry-body h3{font-size:24px;color:var(--navy);margin-bottom:10px}.entry-body p,.step-card p,.proof-card p{color:var(--muted);font-size:14px}.entry-list{display:grid;gap:13px;margin-top:20px}.entry-list li{list-style:none;display:flex;gap:12px;color:#44556c;font-size:14px}.entry-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .entry-panel{background:var(--navy);border-radius:var(--radius);padding:34px;color:#fff;position:relative;overflow:hidden}.entry-panel:before{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-65px;top:-60px}.entry-panel h3{font-size:25px;position:relative}.entry-panel p{color:#b9c9db;font-size:14px;margin:12px 0 25px;position:relative}.route{display:grid;gap:12px;position:relative}.route div{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.06)}.route b{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--cyan);font-size:13px}.route span{font-size:14px}.route small{display:block;color:#9eb2c9;font-size:11px}
    .proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.proof-card{padding:27px}.proof-card strong{font-size:36px;color:var(--blue);display:block;line-height:1.2}.proof-card h3{font-size:18px;color:var(--navy);margin:10px 0 5px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step-card{padding:24px;position:relative}.step-number{font-size:38px;font-weight:900;color:#dce9fb;line-height:1}.step-card h3{color:var(--navy);font-size:17px;margin:13px 0 6px}.step-card:nth-child(2){transform:translateY(18px)}.step-card:nth-child(4){transform:translateY(18px)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.split img{height:380px;width:100%;border-radius:25px;box-shadow:var(--shadow)}.split h2{font-size:clamp(28px,3.5vw,43px);line-height:1.3;color:var(--navy);margin-bottom:16px}.split p{color:var(--muted);font-size:15px;margin-bottom:20px}.check-list{display:grid;gap:13px}.check-list li{list-style:none;display:flex;gap:12px;font-size:14px;color:#44556c}.check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .security-box{padding:35px;background:#edf7fb;border-color:#cfe8ef}.security-box h2{font-size:30px;color:var(--navy);margin-bottom:10px}.security-box p{max-width:760px;color:var(--muted);font-size:15px}.security-points{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:25px}.security-points div{background:#fff;border-radius:15px;padding:18px;border:1px solid #dcecf1}.security-points b{color:var(--navy);display:block;margin-bottom:5px}.security-points span{font-size:13px;color:var(--muted)}
    .faq-list{display:grid;gap:13px;max-width:900px}.faq-item{padding:0 22px}.faq-item button{width:100%;border:0;background:none;text-align:left;padding:20px 0;color:var(--navy);font-weight:800;display:flex;justify-content:space-between;cursor:pointer}.faq-item button span{color:var(--blue);font-size:20px}.faq-answer{display:none;padding:0 0 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}
    .contact-panel{padding:42px;background:linear-gradient(120deg,#10294a,#174c78);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}.contact-panel h2{font-size:32px;line-height:1.3}.contact-panel p{color:#c7d8e7;font-size:14px;margin-top:8px}.contact-panel .btn-primary{white-space:nowrap}
    .footer{background:#0c203b;color:#a9bad0;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{font-size:13px;max-width:280px;margin-top:16px;color:#91a7bf}.footer h3{color:#fff;font-size:15px;margin-bottom:14px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover,.copyright a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12px;color:#7f96b0}
    @media(max-width:1024px){.nav-group{gap:13px}.nav-link{font-size:13px}.steps{grid-template-columns:repeat(2,1fr)}.split{gap:30px}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.nav-shell{height:68px;display:flex;justify-content:space-between}.nav-group{display:none}.brand{font-size:22px}.menu-btn{display:block}.hero{min-height:550px}.hero-inner{padding:62px 0}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:12px}.entry-layout,.split{grid-template-columns:1fr}.proof-grid,.security-points{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step-card:nth-child(2),.step-card:nth-child(4){transform:none}.contact-panel{display:block;padding:30px}.contact-panel .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
    @media(max-width:520px){h1{font-size:37px}.hero-copy{font-size:15px}.hero-actions .btn{width:100%}.entry-card img{height:210px}.footer-grid{grid-template-columns:1fr}.copyright{display:grid;gap:8px}}

/* roulang page: category3 */
:root{
      --navy:#10294a;--blue:#2563eb;--cyan:#18a6c9;--ink:#152238;--muted:#66758b;
      --paper:#f5f8fc;--line:#e1e8f1;--white:#fff;--gold:#f1b84b;--radius:22px;
      --shadow:0 18px 50px rgba(28,59,102,.10);--soft-shadow:0 8px 24px rgba(25,58,100,.08);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}
    button:focus-visible,a:focus-visible{outline:3px solid rgba(37,99,235,.3);outline-offset:3px}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.85)}
    .nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}.nav-group{display:flex;align-items:center;gap:22px}.nav-group.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}.nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--blue)}.nav-link:hover:after,.nav-link.active:after{right:0}.brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}.brand em{font-style:normal;color:var(--blue)}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent;cursor:pointer}
    .nav-cta{background:var(--navy);color:#fff;padding:9px 17px;font-size:13px}.nav-cta:hover{background:var(--blue);transform:translateY(-2px)}.menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .hero{min-height:480px;background:linear-gradient(90deg,rgba(8,30,59,.9),rgba(16,41,74,.63)),url("/assets/images/backpic/back-2.webp") center/cover;display:flex;align-items:center;color:#fff;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;inset:auto -8% -45% 40%;height:480px;border:1px solid rgba(255,255,255,.2);border-radius:50%;transform:rotate(-15deg)}.hero-inner{position:relative;z-index:1;padding:76px 0}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}.eyebrow{color:#bfeaf5;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:0 0 20px}.hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}.btn{padding:13px 22px;font-size:14px}.btn-primary{background:#fff;color:var(--navy)}.btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
    .section{padding:86px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px;margin:0}.section-head p{max-width:560px;color:var(--muted);font-size:15px;margin:0}
    .coupon-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch}.coupon-wall,.info-panel,.version-card,.step-card,.faq-item,.security-box,.cta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .coupon-wall{padding:38px;position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#eef8ff 100%)}.coupon-wall:before{content:"东升国际";position:absolute;right:-10px;top:18px;font-size:78px;font-weight:900;color:rgba(37,99,235,.055);letter-spacing:5px}
    .coupon-label{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1px}.coupon-title{font-size:32px;color:var(--navy);margin:12px 0 8px;position:relative}.coupon-desc{color:var(--muted);font-size:15px;max-width:560px}
    .coupon-ticket{margin:28px 0 24px;padding:22px 25px;border:1px dashed #8bb5e7;border-radius:17px;background:#fff;display:flex;justify-content:space-between;align-items:center;gap:20px;position:relative}.coupon-ticket strong{font-size:38px;color:var(--blue);line-height:1}.coupon-ticket small{display:block;color:var(--muted);margin-top:5px}.coupon-ticket span{font-weight:800;color:var(--navy)}
    .btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:#174fc5;transform:translateY(-3px);box-shadow:0 10px 20px rgba(37,99,235,.2)}.coupon-note{font-size:12px;color:var(--muted)}
    .info-panel{padding:30px;background:var(--navy);color:#fff}.info-panel h3{font-size:22px;margin:0 0 20px}.info-list{display:grid;gap:17px}.info-item{display:flex;gap:13px;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:15px}.info-item:last-child{border:0}.info-icon{width:28px;height:28px;border-radius:9px;background:rgba(24,166,201,.2);color:#77e2ed;display:grid;place-items:center;flex:none}.info-item strong{display:block;font-size:14px}.info-item p{font-size:12px;color:#b8c9dc;margin:2px 0 0}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.metric{padding:25px 22px;background:#f8fbff;border:1px solid var(--line);border-radius:18px}.metric b{font-size:30px;color:var(--blue);display:block;line-height:1.2}.metric span{font-size:13px;color:var(--muted)}
    .versions{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.version-card{padding:27px;position:relative}.version-card.featured{border:2px solid var(--blue);padding:26px}.version-card img{height:150px;width:100%;border-radius:15px;margin-bottom:20px}.version-card h3{margin:0 0 6px;color:var(--navy);font-size:20px}.version-card p{font-size:14px;color:var(--muted);min-height:52px}.version-card .tag{letter-spacing:0;font-size:11px;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:13px}.version-card ul{padding:0;margin:18px 0;display:grid;gap:7px}.version-card li{list-style:none;font-size:13px;color:#50627a}.version-card li:before{content:"✓";color:#0a9a83;font-weight:800;margin-right:8px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.step-card{padding:25px;background:#fff}.step-no{font-size:34px;color:#b7d5ff;font-weight:900;line-height:1}.step-card h3{font-size:17px;color:var(--navy);margin:12px 0 5px}.step-card p{font-size:13px;color:var(--muted);margin:0}
    .split{display:grid;grid-template-columns:.92fr 1.08fr;gap:48px;align-items:center}.split img{height:390px;width:100%;border-radius:25px;box-shadow:var(--shadow)}.split h2{font-size:clamp(28px,3.5vw,42px);line-height:1.3;color:var(--navy);margin:0 0 18px}.split p{color:var(--muted);font-size:15px}.check-list{display:grid;gap:13px;padding:0;margin:24px 0}.check-list li{list-style:none;display:flex;gap:12px;font-size:14px;color:#44556c}.check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .security-box{padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:35px;background:#f1f8fc}.security-box h3{color:var(--navy);font-size:22px;margin:0 0 10px}.security-box p{color:var(--muted);font-size:14px;margin:0}.security-points{display:grid;gap:13px}.security-points div{background:#fff;border-radius:13px;padding:12px 15px;font-size:13px;color:#44556c;border:1px solid var(--line)}
    .faq-list{display:grid;gap:13px;max-width:900px}.faq-item{overflow:hidden}.faq-q{width:100%;border:0;background:#fff;text-align:left;padding:20px 23px;display:flex;justify-content:space-between;align-items:center;color:var(--navy);font-weight:800;cursor:pointer}.faq-q span{font-size:20px;color:var(--blue);transition:.25s}.faq-a{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.faq-item.open .faq-q span{transform:rotate(45deg)}
    .cta-box{padding:46px;background:linear-gradient(110deg,var(--navy),#1e5789);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta-box h2{font-size:31px;line-height:1.3;margin:0 0 9px}.cta-box p{margin:0;color:#c8d9e9;font-size:14px}
    .footer{background:#0d2039;color:#b9c9da;padding:58px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{font-size:13px;max-width:285px}.footer h3{font-size:14px;color:#fff;margin:5px 0 15px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px}.copyright a:hover{color:#fff}
    @media(max-width:1024px){.nav-group{gap:13px}.nav-shell{gap:12px}.metric-grid{grid-template-columns:repeat(2,1fr)}.versions{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,620px)}.nav-group{display:none}.nav-shell{height:68px;grid-template-columns:1fr auto}.brand{font-size:22px}.menu-btn{display:block}.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line)}.mobile-nav.show{display:block}.mobile-nav .container{padding:13px 0 20px;display:grid;gap:10px}.mobile-nav a{padding:8px 0;color:#52647c;font-size:14px}.hero{min-height:560px}.hero-inner{padding:65px 0}.section{padding:62px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:12px}.coupon-layout,.split,.security-box{grid-template-columns:1fr}.coupon-wall{padding:28px 22px}.coupon-ticket{align-items:flex-start;flex-direction:column}.versions{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:37px}.hero-copy{font-size:15px}.metric-grid,.steps{grid-template-columns:1fr}.cta-box{display:block;padding:32px 25px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr}.copyright{display:grid}.coupon-title{font-size:27px}}

/* roulang page: category2 */
:root{
      --navy:#10294a;--blue:#2563eb;--cyan:#18a6c9;--ink:#152238;
      --muted:#66758b;--paper:#f5f8fc;--line:#e1e8f1;--white:#fff;
      --gold:#f1b84b;--radius:22px;--shadow:0 18px 50px rgba(28,59,102,.10);
      --soft-shadow:0 8px 24px rgba(25,58,100,.08)
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.9)}
    .nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}
    .nav-group{display:flex;align-items:center;gap:22px}
    .nav-group.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}
    .nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--blue)}
    .nav-link:hover:after,.nav-link.active:after{right:0}
    .brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}
    .brand em{font-style:normal;color:var(--blue)}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent}
    .nav-cta{background:var(--navy);color:#fff;padding:9px 17px;font-size:13px}
    .nav-cta:hover{background:var(--blue);transform:translateY(-2px)}
    .menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .mobile-nav{display:none;background:#fff;border-top:1px solid var(--line)}
    .mobile-nav.show{display:block}
    .mobile-nav a{display:block;padding:8px 0;color:#53647a;font-size:14px}
    .mobile-nav a:hover{color:var(--blue)}
    .hero{min-height:540px;background:linear-gradient(90deg,rgba(8,30,59,.92),rgba(16,41,74,.67)),url("/assets/images/backpic/back-2.webp") center/cover;color:#fff;display:flex;align-items:center;position:relative;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-8%;bottom:-45%;width:520px;height:520px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .hero-inner{position:relative;z-index:1;padding:76px 0;width:100%}
    .hero-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
    .eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}
    .eyebrow{color:#bfeaf5;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(36px,5vw,64px);line-height:1.2;letter-spacing:-2px;margin-bottom:20px}
    .hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .btn{padding:13px 22px;font-size:14px}
    .btn-primary{background:#fff;color:var(--navy)}
    .btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}
    .btn-dark{background:var(--navy);color:#fff}
    .btn-dark:hover{background:var(--blue);transform:translateY(-3px)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
    .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
    .lead-panel{background:rgba(255,255,255,.96);color:var(--ink);padding:28px;border-radius:var(--radius);box-shadow:var(--shadow)}
    .lead-panel h2{font-size:22px;color:var(--navy);line-height:1.35;margin-bottom:8px}
    .lead-panel p{font-size:13px;color:var(--muted);margin-bottom:18px}
    .lead-panel input{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;margin-bottom:11px;outline:none}
    .lead-panel input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
    .lead-panel small{display:block;color:#8794a5;font-size:11px;margin-top:10px}
    .section{padding:88px 0}
    .section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px}
    .section-head p{max-width:560px;color:var(--muted);font-size:15px}
    .label{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:1px;margin-bottom:8px}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
    .intro-grid img{height:360px;width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
    .prose p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .platform-card,.info-card,.step-card,.faq-item,.security-box,.cta-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .platform-card{overflow:hidden}
    .platform-card img{height:155px;width:100%}
    .platform-body{padding:23px}
    .platform-body h3,.info-card h3,.step-card h3{font-size:19px;color:var(--navy);margin-bottom:8px}
    .platform-body p,.info-card p,.step-card p{font-size:14px;color:var(--muted)}
    .tag{letter-spacing:0;font-size:11px;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:12px}
    .platform-card:nth-child(2) .tag{color:#087f83;background:#e5fbf7}
    .platform-card:nth-child(3) .tag{color:#9a6710;background:#fff5d9}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#dfe8f3;border:1px solid #dfe8f3;border-radius:18px;overflow:hidden}
    .stat{background:#fff;padding:25px 22px}
    .stat strong{display:block;color:var(--blue);font-size:30px;line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step-card{padding:25px;position:relative}
    .step-no{color:var(--cyan);font-size:28px;font-weight:900;margin-bottom:14px}
    .check-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
    .security-box{padding:32px;background:var(--navy);color:#fff}
    .security-box h2{font-size:30px;line-height:1.3;margin-bottom:14px}
    .security-box p{color:#b9c9dd;font-size:14px}
    .check-list{display:grid;gap:14px}
    .check-list li{list-style:none;display:flex;gap:12px;font-size:14px;color:#44556c}
    .check-list li:before{content:"✓";width:23px;height:23px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .notice{padding:24px 28px;border-left:4px solid var(--gold);background:#fffaf0;border-radius:0 16px 16px 0;color:#6d5a31;font-size:14px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item{padding:22px 25px}
    .faq-item summary{cursor:pointer;color:var(--navy);font-weight:800;list-style:none}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";float:right;color:var(--blue);font-size:20px}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin-top:13px;padding-top:13px;border-top:1px solid var(--line)}
    .cta-box{padding:48px;display:flex;justify-content:space-between;align-items:center;gap:25px;background:linear-gradient(120deg,#edf6ff,#fff)}
    .cta-box h2{font-size:32px;color:var(--navy);line-height:1.35}
    .cta-box p{font-size:14px;color:var(--muted);margin-top:8px}
    .footer{background:#0d213d;color:#b8c7d9;padding:58px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer .brand{color:#fff}
    .footer p{font-size:13px;max-width:280px;margin-top:15px;color:#9eb0c5}
    .footer h3{font-size:14px;color:#fff;margin-bottom:13px}
    .footer-links{display:grid;gap:7px;font-size:13px}
    .footer-links a:hover,.copyright a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8fa3bb}
    :focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}
    @media(max-width:1024px){.nav-group{gap:13px}.hero-layout{gap:30px}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.nav-shell{height:68px;display:flex;justify-content:space-between}.nav-group{display:none}.brand{font-size:23px}.menu-btn{display:block}.hero{min-height:auto}.hero-layout,.intro-grid,.check-layout{grid-template-columns:1fr}.hero-inner{padding:65px 0}.lead-panel{max-width:520px}.section{padding:65px 0}.section-head{display:block}.section-head p{margin-top:14px}.platform-grid,.faq-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}.cta-box{display:block;padding:34px}.cta-box .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:38px}.hero-copy{font-size:15px}.platform-grid,.faq-grid,.steps{grid-template-columns:1fr}.intro-grid img{height:260px}.stats{grid-template-columns:1fr 1fr}.stat{padding:18px 14px}.stat strong{font-size:25px}.security-box h2,.cta-box h2{font-size:26px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category4 */
:root{
      --navy:#10294a;--blue:#2563eb;--cyan:#18a6c9;--ink:#152238;--muted:#66758b;
      --paper:#f5f8fc;--line:#e1e8f1;--white:#fff;--gold:#f1b84b;
      --radius:22px;--shadow:0 18px 50px rgba(28,59,102,.10);--soft-shadow:0 8px 24px rgba(25,58,100,.08)
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.85)}
    .nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}
    .nav-group{display:flex;align-items:center;gap:22px}.nav-group.right{justify-content:flex-end}
    .nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}
    .nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--blue)}.nav-link:hover:after,.nav-link.active:after{right:0}
    .brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}.brand em{font-style:normal;color:var(--blue)}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent;cursor:pointer}
    .nav-cta{background:var(--navy);color:white;padding:9px 17px;font-size:13px}.nav-cta:hover{background:var(--blue);transform:translateY(-2px)}
    .menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .mobile-nav{display:none;background:#fff;border-top:1px solid var(--line)}.mobile-nav.show{display:block}
    .mobile-nav a{display:block;padding:8px 0;color:var(--navy);font-size:14px}
    .page-hero{min-height:390px;background:linear-gradient(90deg,rgba(8,30,59,.9),rgba(16,41,74,.58)),url("/assets/images/backpic/back-2.webp") center/cover;display:flex;align-items:center;color:#fff}
    .hero-inner{padding:70px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}
    .eyebrow{color:#bfeaf5;margin-bottom:16px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{font-size:clamp(35px,5vw,64px);line-height:1.18;letter-spacing:-2px;max-width:760px}
    .hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin:20px 0 28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}.btn{padding:13px 22px;font-size:14px}
    .btn-primary{background:#fff;color:var(--navy)}.btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
    .section{padding:86px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px}
    .section-head p{max-width:570px;color:var(--muted);font-size:15px}
    .tag{letter-spacing:0;font-size:11px;color:var(--blue);background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:12px}
    .service-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:25px;align-items:stretch}
    .service-feature,.service-card,.process-item,.notice,.faq-item,.contact-box,.quote-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}
    .service-feature{overflow:hidden;display:grid;grid-template-columns:1fr 1fr}.service-feature img{width:100%;height:100%;min-height:350px}
    .feature-copy{padding:35px}.feature-copy h3{font-size:27px;color:var(--navy);line-height:1.35;margin:8px 0 13px}.feature-copy p{font-size:14px;color:var(--muted)}
    .feature-side{display:grid;gap:20px}.service-card{padding:26px}.service-card h3{font-size:19px;color:var(--navy);margin:8px 0}.service-card p{font-size:14px;color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;background:#e8f3ff;color:var(--blue);display:grid;place-items:center;font-size:21px;font-weight:800}
    .number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.metric{padding:27px;background:#f4f8fd;border:1px solid var(--line);border-radius:18px}.metric strong{font-size:34px;color:var(--blue);display:block}.metric span{font-size:13px;color:var(--muted)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}.split img{height:390px;width:100%;border-radius:25px;box-shadow:var(--shadow)}
    .split h2{font-size:34px;line-height:1.35;color:var(--navy);margin:10px 0 16px}.split p{color:var(--muted);font-size:15px;margin-bottom:18px}
    .check-list{display:grid;gap:13px}.check-list li{list-style:none;display:flex;gap:12px;font-size:14px;color:#44556c}.check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.process-item{padding:24px;position:relative}.process-item b{font-size:35px;color:#d7e7fa}.process-item h3{color:var(--navy);font-size:18px;margin:5px 0}.process-item p{font-size:13px;color:var(--muted)}
    .notice{padding:30px 35px;background:linear-gradient(110deg,#10294a,#174775);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:25px}.notice h2{font-size:27px}.notice p{color:#c4d4e6;font-size:14px;max-width:650px}
    .faq-list{display:grid;gap:13px;max-width:900px;margin:auto}.faq-item{overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;border:0;padding:20px 24px;color:var(--navy);font-weight:700}.faq-question span{font-size:22px;color:var(--blue);transition:.25s}.faq-answer{display:none;padding:0 24px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}
    .contact-box{padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:25px}.contact-box h2{font-size:30px;color:var(--navy);line-height:1.35}.contact-box p{color:var(--muted);font-size:14px;margin-top:12px}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px 14px;outline:none;background:#fbfdff;color:var(--ink)}.contact-form textarea{min-height:92px;resize:vertical}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--blue);transform:translateY(-2px)}
    .footer{background:#0e2340;color:#d4e0ed;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{color:#9fb1c6;font-size:13px;max-width:290px;margin-top:15px}.footer h3{color:#fff;font-size:14px;margin-bottom:13px}.footer-links{display:grid;gap:8px}.footer-links a{color:#9fb1c6;font-size:13px}.footer-links a:hover,.copyright a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;color:#8ea3bb;font-size:12px}
    :focus-visible{outline:3px solid rgba(24,166,201,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-group{gap:13px}.number-grid{grid-template-columns:repeat(2,1fr)}.service-grid,.split{gap:25px}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.nav-shell{height:68px;display:flex;justify-content:space-between}.nav-group{display:none}.brand{font-size:23px}.menu-btn{display:block}.page-hero{min-height:450px}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:13px}.service-feature,.contact-box,.split{grid-template-columns:1fr}.service-feature img{height:240px;min-height:0}.split img{height:280px}.process{grid-template-columns:repeat(2,1fr)}.notice{display:block}.notice .btn{margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:15px}.number-grid,.process,.footer-grid{grid-template-columns:1fr}.feature-copy{padding:25px}.contact-box{padding:25px}.copyright{display:grid}.section-head h2{font-size:30px}}

/* roulang page: category5 */
:root{--navy:#10294a;--blue:#2563eb;--cyan:#18a6c9;--ink:#152238;--muted:#66758b;--paper:#f5f8fc;--line:#e1e8f1;--white:#fff;--gold:#f1b84b;--radius:22px;--shadow:0 18px 50px rgba(28,59,102,.10);--soft-shadow:0 8px 24px rgba(25,58,100,.08)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.8;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}.container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(225,232,241,.85)}
    .nav-shell{height:78px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:22px}.nav-group{display:flex;align-items:center;gap:22px}.nav-group.right{justify-content:flex-end}.nav-link{font-size:14px;color:#54657c;white-space:nowrap;position:relative}.nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--blue);transition:.25s}.nav-link:hover,.nav-link.active{color:var(--blue)}.nav-link:hover:after,.nav-link.active:after{right:0}.brand{font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap}.brand em{font-style:normal;color:var(--blue)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:700;transition:.25s;border:1px solid transparent;cursor:pointer}.nav-cta{background:var(--navy);color:#fff;padding:9px 17px;font-size:13px}.nav-cta:hover{background:var(--blue);transform:translateY(-2px)}.menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}.mobile-nav{display:none}
    .inner-hero{min-height:430px;display:flex;align-items:center;color:#fff;background:linear-gradient(105deg,rgba(8,30,59,.91),rgba(16,41,74,.55)),url("/assets/images/backpic/back-2.webp") center/cover;position:relative;overflow:hidden}.inner-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-80px;top:-130px}.hero-inner{position:relative;z-index:1;padding:78px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;font-weight:800}.eyebrow{color:#bfeaf5;margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}h1{font-size:clamp(38px,6vw,68px);line-height:1.15;letter-spacing:-2px;margin:0 0 20px}.hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:650px;margin:0 0 28px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px}.btn{padding:13px 22px;font-size:14px}.btn-primary{background:#fff;color:var(--navy)}.btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}.btn-outline{border-color:rgba(255,255,255,.45);color:#fff}.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1)}
    .section{padding:88px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}.section-head h2{font-size:clamp(27px,3.2vw,42px);line-height:1.25;color:var(--navy);letter-spacing:-1px;margin:0}.section-head p{max-width:570px;color:var(--muted);font-size:15px;margin:0}.security-intro{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.security-intro img{height:370px;width:100%;border-radius:25px;box-shadow:var(--shadow)}.lead{font-size:18px;color:#34465e;margin-top:0}.muted{color:var(--muted);font-size:15px}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--soft-shadow)}.trust-item{background:#fff;padding:25px 22px}.trust-item strong{display:block;font-size:27px;color:var(--navy);line-height:1.2}.trust-item span{font-size:13px;color:var(--muted)}.layer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.layer-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--soft-shadow);transition:.25s}.layer-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#c8daf5}.icon{width:44px;height:44px;border-radius:14px;background:#eaf3ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:19px;margin-bottom:18px}.layer-card:nth-child(2) .icon{background:#e5fbf7;color:#087f83}.layer-card:nth-child(3) .icon{background:#fff5d9;color:#9a6710}.layer-card h3{font-size:19px;color:var(--navy);margin:0 0 8px}.layer-card p{color:var(--muted);font-size:14px;margin:0}.dark-panel{background:var(--navy);border-radius:28px;padding:54px;color:#fff}.dark-panel h2{font-size:36px;line-height:1.3;margin:0 0 14px}.dark-panel p{color:#bdcce0;max-width:650px}.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}.scenario{border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:20px;background:rgba(255,255,255,.06)}.scenario h3{margin:0 0 5px;font-size:17px}.scenario p{font-size:13px;margin:0;color:#b7c8dc}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}.step{position:relative;padding:28px 22px 10px;border-right:1px solid var(--line)}.step:last-child{border-right:0}.step:before{content:"";position:absolute;top:-8px;left:22px;width:15px;height:15px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #e6efff}.step b{font-size:13px;color:var(--blue)}.step h3{font-size:18px;color:var(--navy);margin:12px 0 6px}.step p{font-size:14px;color:var(--muted);margin:0}.check-layout{display:grid;grid-template-columns:1fr .8fr;gap:42px;align-items:start}.check-list{display:grid;gap:13px;margin:0;padding:0}.check-list li{list-style:none;display:flex;gap:12px;font-size:15px;color:#44556c;padding:14px 0;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:#e7f8f4;color:#088a78;font-weight:bold;flex:none}.notice{background:#eef6ff;border-radius:20px;padding:28px;border:1px solid #d5e6fb}.notice h3{margin:0 0 10px;color:var(--navy);font-size:20px}.notice p{margin:0;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:12px;max-width:850px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--soft-shadow);overflow:hidden}.faq-question{width:100%;display:flex;justify-content:space-between;text-align:left;align-items:center;background:transparent;border:0;padding:20px 23px;color:var(--navy);font-weight:800;cursor:pointer}.faq-question span{font-size:22px;color:var(--blue);transition:.25s}.faq-answer{display:none;padding:0 23px 20px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question span{transform:rotate(45deg)}.cta{background:linear-gradient(120deg,#e9f6ff,#f7fbff);border:1px solid #d9e9f5;border-radius:28px;padding:54px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:34px;line-height:1.3;color:var(--navy);margin:0 0 10px}.cta p{color:var(--muted);margin:0;max-width:670px}.btn-blue{background:var(--blue);color:#fff}.btn-blue:hover{background:var(--navy);transform:translateY(-3px);box-shadow:0 10px 20px rgba(37,99,235,.2)}
    .footer{background:#0d203b;color:#b9c8da;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}.footer .brand{color:#fff}.footer p{font-size:13px;max-width:290px;color:#91a5be}.footer h3{font-size:14px;color:#fff;margin:3px 0 15px}.footer-links{display:grid;gap:8px;font-size:13px}.footer-links a:hover,.copyright a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8297b0}
    :focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}
    @media(max-width:1024px){.nav-group{gap:13px}.nav-link{font-size:13px}.security-intro{gap:30px}.layer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.nav-shell{height:68px;display:flex;justify-content:space-between}.nav-group{display:none}.brand{font-size:23px}.menu-btn{display:block}.mobile-nav.show{display:block}.inner-hero{min-height:450px}.hero-inner{padding:65px 0}.section{padding:65px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:12px}.security-intro,.check-layout{grid-template-columns:1fr}.security-intro img{height:280px;order:2}.trust-strip{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:1fr 1fr;border-top:0;gap:20px}.step{border:1px solid var(--line);border-radius:16px;padding:25px 20px}.step:before{top:17px;left:auto;right:20px}.dark-panel{padding:35px 25px}.scenario-grid{grid-template-columns:1fr}.cta{display:block;padding:36px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:39px}.hero-copy{font-size:15px}.layer-grid{grid-template-columns:1fr}.trust-strip{grid-template-columns:1fr 1fr}.trust-item{padding:19px 14px}.trust-item strong{font-size:22px}.process{grid-template-columns:1fr}.dark-panel h2,.cta h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.copyright{display:grid;gap:8px}.hero-actions .btn{width:100%}}

/* roulang page: category6 */
:root{
      --navy:#10294a;
      --blue:#2563eb;
      --cyan:#18a6c9;
      --ink:#152238;
      --muted:#66758b;
      --paper:#f5f8fc;
      --line:#e1e8f1;
      --white:#fff;
      --gold:#f1b84b;
      --green:#0d9b83;
      --radius:22px;
      --shadow:0 18px 50px rgba(28,59,102,.10);
      --soft-shadow:0 8px 24px rgba(25,58,100,.08);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.8;
      -webkit-font-smoothing:antialiased;
    }
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;max-width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:auto}
    .site-header{
      position:sticky;top:0;z-index:30;
      background:rgba(255,255,255,.94);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(225,232,241,.85)
    }
    .nav-shell{
      height:78px;display:grid;grid-template-columns:1fr auto 1fr;
      align-items:center;gap:22px
    }
    .nav-group{display:flex;align-items:center;gap:22px}
    .nav-group.right{justify-content:flex-end}
    .nav-link{
      font-size:14px;color:#54657c;white-space:nowrap;position:relative
    }
    .nav-link:after{
      content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;
      background:var(--blue);transition:.25s
    }
    .nav-link:hover,.nav-link.active{color:var(--blue)}
    .nav-link:hover:after,.nav-link.active:after{right:0}
    .brand{
      font-size:25px;font-weight:900;letter-spacing:2px;color:var(--navy);white-space:nowrap
    }
    .brand em{font-style:normal;color:var(--blue)}
    .nav-cta,.btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:12px;font-weight:700;transition:.25s;
      border:1px solid transparent;cursor:pointer
    }
    .nav-cta{background:var(--navy);color:white;padding:9px 17px;font-size:13px}
    .nav-cta:hover{background:var(--blue);transform:translateY(-2px)}
    .menu-btn{display:none;background:none;border:0;color:var(--navy);font-size:25px}
    .mobile-nav{
      display:none;background:#fff;border-top:1px solid var(--line);
      box-shadow:var(--soft-shadow)
    }
    .mobile-nav.show{display:block}
    .mobile-nav a{
      display:block;padding:8px 0;color:#52647a;font-size:14px
    }
    .mobile-nav a:hover,.mobile-nav a.active{color:var(--blue)}
    .hero{
      min-height:475px;
      background:
        linear-gradient(90deg,rgba(8,30,59,.92),rgba(16,41,74,.67)),
        url("/assets/images/backpic/back-2.webp") center/cover;
      display:flex;align-items:center;color:white;position:relative;overflow:hidden
    }
    .hero:after{
      content:"";position:absolute;right:-8%;bottom:-44%;
      width:620px;height:620px;border:1px solid rgba(255,255,255,.18);
      border-radius:50%;transform:rotate(-14deg)
    }
    .hero-inner{position:relative;z-index:1;padding:76px 0}
    .eyebrow,.tag{
      display:inline-flex;align-items:center;gap:8px;
      font-size:12px;letter-spacing:2px;font-weight:800
    }
    .eyebrow{color:#bfeaf5;margin-bottom:18px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold)}
    h1{
      max-width:760px;font-size:clamp(34px,5vw, sixty);font-size:clamp(34px,5vw,62px);
      line-height:1.18;letter-spacing:-2px;margin-bottom:22px
    }
    .hero-copy{font-size:17px;color:rgba(255,255,255,.82);max-width:700px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .btn{padding:13px 22px;font-size:14px}
    .btn-primary{background:#fff;color:var(--navy)}
    .btn-primary:hover{background:#dff7fb;transform:translateY(-3px)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:white}
    .btn-outline:hover{border-color:white;background:rgba(255,255,255,.1)}
    .section{padding:88px 0}
    .section.alt{background:#fff}
    .section-head{
      display:flex;justify-content:space-between;align-items:end;
      gap:30px;margin-bottom:38px
    }
    .section-head h2{
      font-size:clamp(27px,3.2vw,42px);line-height:1.25;
      color:var(--navy);letter-spacing:-1px
    }
    .section-head p{max-width:560px;color:var(--muted);font-size:15px}
    .tag{
      letter-spacing:0;font-size:11px;color:var(--blue);
      background:#eaf3ff;border-radius:30px;padding:5px 10px;margin-bottom:12px
    }
    .tag.green{color:#087f83;background:#e5fbf7}
    .tag.gold{color:#9a6710;background:#fff5d9}
    .tag.pink{color:#92516e;background:#faeaf2}
    .intro-grid{
      display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch
    }
    .intro-card,.notice-panel,.news-card,.service-card,.faq-item,.timeline-card,.trust-box,.cta-panel{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius);
      box-shadow:var(--soft-shadow)
    }
    .intro-card{padding:38px}
    .intro-card h3{font-size:26px;color:var(--navy);line-height:1.35;margin-bottom:16px}
    .intro-card p{color:var(--muted);font-size:15px;margin-bottom:16px}
    .intro-card p:last-child{margin-bottom:0}
    .notice-panel{
      padding:30px;background:var(--navy);color:#fff;position:relative;overflow:hidden
    }
    .notice-panel:before{
      content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(255,255,255,.18);
      border-radius:50%;right:-60px;top:-58px
    }
    .notice-panel h3{position:relative;font-size:22px;margin-bottom:18px}
    .notice-item{
      position:relative;padding:15px 0;border-top:1px solid rgba(255,255,255,.16)
    }
    .notice-item:first-of-type{border-top:0}
    .notice-item time{font-size:12px;color:#9cdce9}
    .notice-item p{font-size:14px;color:rgba(255,255,255,.78);margin-top:4px}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:25px}
    .news-list{display:grid;gap:14px}
    .news-card{
      display:grid;grid-template-columns:112px 1fr auto;gap:20px;
      align-items:center;padding:22px 24px
    }
    .news-card:hover,.service-card:hover,.timeline-card:hover{
      transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cbdcf4
    }
    .news-card time{font-size:12px;color:var(--blue);font-weight:800}
    .news-card h3{font-size:17px;color:var(--navy);margin-bottom:3px}
    .news-card p{font-size:13px;color:var(--muted);line-height:1.7}
    .text-link{font-size:13px;color:var(--blue);font-weight:700;white-space:nowrap}
    .text-link:hover{color:var(--cyan)}
    .feature-news{overflow:hidden;min-height:100%;position:relative}
    .feature-news img{height:100%;min-height:350px;width:100%}
    .feature-news:after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(0deg,rgba(8,30,59,.88),transparent 65%)
    }
    .feature-content{position:absolute;z-index:1;bottom:0;left:0;padding:30px;color:#fff}
    .feature-content h3{font-size:25px;line-height:1.35;margin:9px 0}
    .feature-content p{font-size:14px;color:rgba(255,255,255,.78)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .service-card{padding:28px;transition:.25s}
    .service-icon{
      width:48px;height:48px;border-radius:15px;background:#eaf3ff;color:var(--blue);
      display:grid;place-items:center;font-size:22px;margin-bottom:20px
    }
    .service-card:nth-child(2) .service-icon{background:#e5fbf7;color:#088a78}
    .service-card:nth-child(3) .service-icon{background:#fff5d9;color:#a16b11}
    .service-card h3{font-size:19px;color:var(--navy);margin-bottom:8px}
    .service-card p{font-size:14px;color:var(--muted)}
    .timeline-wrap{display:grid;grid-template-columns:.78fr 1.22fr;gap:45px;align-items:start}
    .timeline-image{position:sticky;top:110px}
    .timeline-image img{width:100%;height:405px;border-radius:25px;box-shadow:var(--shadow)}
    .timeline-list{display:grid;gap:16px}
    .timeline-card{display:grid;grid-template-columns:105px 1fr;gap:20px;padding:24px;transition:.25s}
    .timeline-card time{font-size:12px;color:var(--blue);font-weight:800;padding-top:3px}
    .timeline-card h3{font-size:18px;color:var(--navy);margin-bottom:5px}
    .timeline-card p{font-size:14px;color:var(--muted)}
    .trust-box{padding:36px;background:#f0f7fc}
    .trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
    .trust-stat{padding:18px;border-left:3px solid var(--cyan)}
    .trust-stat strong{display:block;font-size:28px;color:var(--navy);line-height:1.2}
    .trust-stat span{font-size:13px;color:var(--muted)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .process-step{position:relative;padding:20px 25px 20px 0}
    .process-step:not(:last-child):after{
      content:"→";position:absolute;right:18px;top:25px;color:var(--cyan);font-size:23px
    }
    .step-num{
      width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;
      display:grid;place-items:center;font-weight:800;margin-bottom:15px
    }
    .process-step h3{font-size:17px;color:var(--navy);margin-bottom:7px}
    .process-step p{font-size:13px;color:var(--muted)}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .faq-item{padding:22px 25px}
    .faq-item summary{
      cursor:pointer;list-style:none;font-size:16px;font-weight:800;color:var(--navy);
      position:relative;padding-right:25px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-item p{font-size:14px;color:var(--muted);padding-top:13px}
    .cta-panel{
      padding:48px;display:flex;justify-content:space-between;align-items:center;
      gap:30px;background:linear-gradient(120deg,#10294a,#1b4b78);color:#fff;overflow:hidden;position:relative
    }
    .cta-panel:after{content:"";position:absolute;width:270px;height:270px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-80px;bottom:-145px}
    .cta-panel h2{font-size:clamp(25px,3.2vw,40px);line-height:1.3;margin-bottom:8px;position:relative;z-index:1}
    .cta-panel p{font-size:15px;color:rgba(255,255,255,.75);position:relative;z-index:1}
    .cta-panel .hero-actions{position:relative;z-index:1;margin:0}
    .footer{background:#0d2039;color:#b5c6d9;padding:65px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px;padding-bottom:42px}
    .footer .brand{color:#fff;display:inline-block;margin-bottom:16px}
    .footer p{font-size:13px;max-width:310px;color:#91a8c0}
    .footer h3{font-size:14px;color:#fff;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:13px;color:#91a8c0}
    .footer-links a:hover{color:#fff}
    .copyright{
      border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
      display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#7f97b0
    }
    .copyright a:hover{color:#fff}
    :focus-visible{outline:3px solid rgba(37,99,235,.35);outline-offset:3px}
    @media(max-width:1024px){
      .nav-group{gap:13px}.nav-shell{gap:12px}
      .news-layout,.intro-grid,.timeline-wrap{grid-template-columns:1fr}
      .timeline-image{position:static}
      .timeline-image img{height:300px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,620px)}
      .nav-shell{height:68px;grid-template-columns:1fr auto}
      .nav-group{display:none}.brand{font-size:23px}.menu-btn{display:block}
      .hero{min-height:530px}.hero-inner{padding:65px 0}
      .section{padding:65px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:13px}
      .service-grid,.trust-grid{grid-template-columns:1fr 1fr}
      .process-grid{grid-template-columns:1fr 1fr;gap:20px}
      .process-step:not(:last-child):after{display:none}
      .cta-panel{display:block;padding:35px 27px}.cta-panel .hero-actions{margin-top:23px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      h1{font-size:38px;letter-spacing:-1px}
      .hero-copy{font-size:15px}
      .hero-actions .btn{width:100%}
      .service-grid,.trust-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}
      .news-card{grid-template-columns:1fr;gap:5px}
      .news-card .text-link{margin-top:6px}
      .feature-news img{min-height:380px}
      .timeline-card{grid-template-columns:1fr;gap:5px}
      .process-grid{grid-template-columns:1fr}
      .copyright{display:grid;gap:8px}
    }