/* roulang page: index */
:root{
      --ink:#eef4ff;--muted:#9caac4;--bg:#08101f;--panel:#101b31;--panel2:#14223c;
      --line:rgba(220,235,255,.12);--cyan:#55d6d1;--gold:#f5c978;--red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);--radius:22px;--container:1180px
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}
    .site-shell{display:flex;min-height:100vh}.sidebar{width:252px;position:fixed;inset:0 auto 0 0;padding:28px 20px;background:#0b1528;border-right:1px solid var(--line);z-index:20;display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}.side-nav{display:grid;gap:5px}.side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}.side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}.side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .side-bottom{margin-top:auto;padding:18px 12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.side-bottom strong{display:block;color:var(--gold);margin-bottom:6px}
    .mobile-bar{display:none}.main{margin-left:252px;width:calc(100% - 252px)}.container{width:min(var(--container),calc(100% - 64px));margin:auto}.section{padding:88px 0}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}.section-head p{max-width:510px;color:var(--muted);margin:0}
    .hero{min-height:720px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.96) 12%,rgba(5,11,24,.67) 56%,rgba(5,11,24,.72)),url("/assets/images/backpic/back-1.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--bg));pointer-events:none}.hero-content{position:relative;z-index:1;padding:100px 0;max-width:720px}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 24px}.hero p{font-size:18px;color:#c6d2e7;max-width:650px;margin-bottom:32px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent}.button.primary{background:var(--cyan);color:#06151c}.button.primary:hover{background:#8ae8df;transform:translateY(-2px)}.button.ghost{border-color:var(--line);color:var(--ink)}.button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}.hero-meta{display:flex;gap:28px;margin-top:48px}.hero-meta b{display:block;font-size:25px;color:var(--gold)}.hero-meta span{font-size:12px;color:var(--muted)}
    .intro{background:#0d182b}.intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}.intro h2{font-size:38px;line-height:1.3;margin:10px 0 20px}.intro p{color:var(--muted);font-size:17px}.quote-box{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#172845,#101a2d);box-shadow:var(--shadow)}.quote-box span{display:block;color:var(--gold);font-size:36px;line-height:1}.quote-box p{color:var(--ink);font-size:20px;margin:10px 0 20px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card,.story-card,.guide-card,.safe-card,.quote-card,.compare-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;transition:.25s}.feature-card:hover,.story-card:hover,.guide-card:hover,.safe-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}.icon{width:44px;height:44px;border-radius:14px;background:rgba(85,214,209,.13);color:var(--cyan);display:grid;place-items:center;font-size:21px;margin-bottom:17px}.feature-card h3,.story-card h3,.guide-card h3,.safe-card h3{margin:0 0 8px;font-size:20px}.feature-card p,.story-card p,.guide-card p,.safe-card p{color:var(--muted);font-size:14px;margin:0}
    .dark-section{background:#0d182b}.showcase{display:grid;grid-template-columns:.95fr 1.05fr;gap:25px;align-items:stretch}.showcase-image{min-height:390px;border-radius:var(--radius);overflow:hidden;position:relative;background:#192b4a}.showcase-image img{width:100%;height:100%;object-fit:cover;opacity:.82}.image-tag{position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.82);border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px}.showcase-copy{padding:28px 12px}.showcase-copy h2{font-size:38px;line-height:1.3;margin:10px 0 18px}.showcase-copy p{color:var(--muted)}.check-list{padding:0;margin:25px 0;list-style:none}.check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}.check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .category-strip{display:flex;gap:10px;flex-wrap:wrap}.pill{padding:9px 15px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:13px}.pill:hover{color:var(--cyan);border-color:var(--cyan)}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.stat{background:var(--panel);padding:28px}.stat b{font-size:34px;color:var(--gold);display:block}.stat span{color:var(--muted);font-size:13px}
    .guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.guide-card{padding:22px}.step{color:var(--cyan);font-size:12px;letter-spacing:1px}.guide-card h3{font-size:17px;margin-top:10px}
    .testimonial-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote-card{background:linear-gradient(135deg,#152642,#101a2d);padding:29px}.quote-card p{font-size:18px;margin:0 0 22px;color:#e6edf9}.quote-card small{color:var(--gold)}
    .news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:100px 1fr auto;align-items:center;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}.news-item time{color:var(--gold);font-size:13px}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{margin:0;color:var(--muted);font-size:13px}.read{color:var(--cyan);font-size:13px;white-space:nowrap}.side-news{padding:25px;border-radius:var(--radius);background:var(--panel2);border:1px solid var(--line)}.side-news img{height:150px;width:100%;object-fit:cover;border-radius:14px;margin:15px 0}.side-news p{color:var(--muted);font-size:14px}
    .safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.safe-card{display:flex;gap:16px;align-items:flex-start}.safe-card .icon{flex:none;margin:0}.safe-card h3{font-size:17px}.safe-card p{font-size:13px}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-card{padding:28px}.compare-card.recommend{border-color:var(--cyan);background:linear-gradient(145deg,#12323a,#101b31);position:relative}.recommend:before{content:"推荐体验";position:absolute;right:20px;top:18px;color:var(--cyan);font-size:12px}.compare-card h3{font-size:23px;margin-top:0}.compare-card ul{list-style:none;padding:0;color:var(--muted)}.compare-card li{padding:9px 0;border-bottom:1px solid var(--line)}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}.faq-q:after{content:"+";color:var(--cyan);font-size:20px}.faq-item.open .faq-q:after{content:"−"}.faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}
    .cta{padding:55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}.cta p{margin:0;color:#c9d8e5}.footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer p,.footer a{color:var(--muted);font-size:13px}.footer a:hover{color:var(--cyan)}.footer h4{font-size:15px;margin:0 0 13px}.foot-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:18px;color:#65748e;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    :focus-visible{outline:3px solid var(--gold);outline-offset:3px}
    @media(max-width:1024px){.sidebar{width:220px}.main{margin-left:220px;width:calc(100% - 220px)}.feature-grid{grid-template-columns:repeat(2,1fr)}.guide-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.sidebar{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;background:#0b1528;padding:14px 20px;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.mobile-bar button{background:none;border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:5px 11px}.main{margin:0;width:100%}.container{width:min(100% - 36px,650px)}.hero{min-height:650px}.section{padding:65px 0}.intro-grid,.showcase,.news-layout,.compare{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.testimonial-grid,.faq-list{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:14px}}
    @media(max-width:520px){.hero h1{font-size:43px;letter-spacing:-2px}.hero p{font-size:16px}.hero-meta{gap:17px}.feature-grid,.safety-grid{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr 1fr}.news-item{grid-template-columns:1fr;gap:5px}.read{display:inline-block}.cta{padding:30px 23px;display:block}.cta .button{margin-top:22px}.showcase-image{min-height:270px}.intro h2,.showcase-copy h2{font-size:29px}.foot-bottom{display:block}.foot-bottom span{display:block;margin-top:8px}}

/* roulang page: category1 */
:root{
      --ink:#eef4ff;--muted:#9caac4;--bg:#08101f;--panel:#101b31;--panel2:#14223c;
      --line:rgba(220,235,255,.12);--cyan:#55d6d1;--gold:#f5c978;--red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);--radius:22px;--container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus{outline:2px solid var(--gold);outline-offset:3px}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .desktop-nav{position:fixed;z-index:20;left:0;top:0;bottom:0;width:252px;padding:35px 25px;background:#091323;border-right:1px solid var(--line)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .mobile-bar{display:none}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .section{padding:88px 0}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.96) 12%,rgba(5,11,24,.67) 56%,rgba(5,11,24,.72)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:160px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:90px 0;max-width:760px}
    .hero h1{font-size:clamp(40px,6vw,72px);line-height:1.12;letter-spacing:-3px;margin:18px 0 22px}
    .hero p{font-size:18px;color:#c6d2e7;max-width:650px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent}
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .burst{display:inline-block;padding:7px 13px;background:var(--gold);color:#172033;border-radius:8px;font-size:12px;font-weight:800;transform:rotate(-3deg);box-shadow:5px 5px 0 rgba(255,107,107,.45)}
    .hero-meta{display:flex;gap:30px;margin-top:44px}
    .hero-meta b{display:block;font-size:25px;color:var(--gold)}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
    .intro-copy h2{font-size:38px;line-height:1.3;margin:10px 0 18px}
    .intro-copy p{color:var(--muted);margin:0 0 16px}
    .image-frame{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:330px}
    .image-frame img{width:100%;height:100%;object-fit:cover}
    .image-tag{position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.84);border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px}
    .dark-section{background:#0d182b}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.story-card,.safe-card,.quote-card,.compare-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;transition:.25s}
    .feature-card:hover,.story-card:hover,.safe-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}
    .feature-card h3,.story-card h3,.safe-card h3{margin:0 0 8px;font-size:20px}
    .feature-card p,.story-card p,.safe-card p{color:var(--muted);font-size:14px;margin:0}
    .icon{width:42px;height:42px;border-radius:13px;background:rgba(85,214,209,.12);color:var(--cyan);display:grid;place-items:center;font-weight:800;font-size:19px;margin-bottom:20px}
    .stats-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .stat{background:var(--panel);padding:28px 20px}
    .stat strong{font-size:34px;color:var(--gold);display:block;line-height:1.2}
    .stat span{color:var(--muted);font-size:13px}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scenario{display:grid;grid-template-columns:145px 1fr;gap:22px;align-items:center;background:var(--panel2);border:1px solid var(--line);border-radius:18px;padding:15px}
    .scenario img{width:145px;height:120px;object-fit:cover;border-radius:12px}
    .scenario h3{margin:0 0 7px;font-size:18px}
    .scenario p{margin:0;color:var(--muted);font-size:13px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
    .process-item{position:relative;padding:24px 20px 20px;border-top:2px solid var(--cyan);background:#0d182b}
    .process-item:before{counter-increment:step;content:"0" counter(step);font-size:30px;color:var(--gold);font-weight:800}
    .process-item h3{font-size:18px;margin:10px 0 6px}
    .process-item p{font-size:13px;color:var(--muted);margin:0}
    .story-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:stretch}
    .story-layout img{height:100%;min-height:330px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .story-copy{padding:18px 0}
    .story-copy h2{font-size:35px;line-height:1.3;margin:9px 0 18px}
    .check-list{padding:0;margin:25px 0;list-style:none}
    .check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;color:#c9d8e5}
    .footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer p,.footer a{color:var(--muted);font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer h4{font-size:14px;color:var(--ink);margin:0 0 12px}
    .footer .brand{margin:0 0 17px;color:var(--ink)}
    .foot-bottom{border-top:1px solid var(--line);margin-top:35px;padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#687894;font-size:12px;flex-wrap:wrap}
    @media(max-width:1024px){
      .desktop-nav{width:220px;padding:28px 18px}.main{margin-left:220px;width:calc(100% - 220px)}
      .container{width:min(var(--container),calc(100% - 42px))}.feature-grid{grid-template-columns:repeat(2,1fr)}
      .process{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .desktop-nav{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:30;background:#091323;border-bottom:1px solid var(--line);padding:14px 20px;justify-content:space-between;align-items:center}
      .mobile-bar .brand{margin:0;font-size:19px}.mobile-bar .brand-mark{width:32px;height:32px}
      .mobile-toggle{background:none;border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:5px 10px}
      .mobile-links{display:none;padding:8px 20px 16px;background:#091323}.mobile-links.show{display:grid;grid-template-columns:repeat(2,1fr);gap:5px}
      .mobile-links a{padding:8px 10px;color:var(--muted);font-size:13px}.mobile-links a.active{color:var(--cyan)}
      .main{margin-left:0;width:100%}.section{padding:64px 0}.hero{min-height:590px}.hero-content{padding:70px 0}
      .intro-grid,.story-layout{grid-template-columns:1fr}.stats-panel{grid-template-columns:repeat(2,1fr)}
      .scenario-grid,.faq-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 34px)}.hero h1{font-size:43px;letter-spacing:-2px}.hero p{font-size:16px}
      .hero-meta{gap:18px}.feature-grid,.process{grid-template-columns:1fr}.scenario{grid-template-columns:105px 1fr;padding:11px;gap:13px}
      .scenario img{width:105px;height:110px}.section-head{display:block}.section-head p{margin-top:14px}.cta{padding:30px 23px;display:block}.cta .button{margin-top:22px}
      .footer-grid{grid-template-columns:1fr}.foot-bottom{display:block}.foot-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category2 */
:root{
      --ink:#eef4ff;--muted:#9caac4;--bg:#08101f;--panel:#101b31;--panel2:#14223c;
      --line:rgba(220,235,255,.12);--cyan:#55d6d1;--gold:#f5c978;--red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);--radius:22px;--container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .side-rail{position:fixed;left:0;top:0;bottom:0;width:252px;padding:38px 24px;background:#0a1427;border-right:1px solid var(--line);z-index:10}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .rail-note{position:absolute;bottom:35px;padding:0 12px;color:#71819b;font-size:12px}
    .mobile-bar{display:none}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .section{padding:82px 0}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .hero{min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.97) 10%,rgba(5,11,24,.72) 56%,rgba(5,11,24,.58)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:170px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:92px 0;max-width:760px}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 24px}
    .hero p{font-size:18px;color:#c6d2e7;max-width:680px;margin-bottom:32px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent}
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .hero-meta{display:flex;gap:30px;margin-top:48px;flex-wrap:wrap}
    .hero-meta b{display:block;font-size:25px;color:var(--gold)}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .pill{padding:9px 15px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:13px}
    .pill:hover{color:var(--cyan);border-color:var(--cyan)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
    .intro-copy h2{font-size:clamp(29px,4vw,48px);line-height:1.3;margin:9px 0 18px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .image-frame{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:360px;background:var(--panel)}
    .image-frame img{height:100%;width:100%;object-fit:cover;opacity:.86}
    .image-tag{position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.86);border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.quote-card,.compare-card,.faq-item{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;transition:.25s}
    .feature-card:hover,.compare-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}
    .feature-card .number{font-size:14px;color:var(--cyan);font-weight:800}
    .feature-card h3{margin:12px 0 8px;font-size:20px}
    .feature-card p,.compare-card p{color:var(--muted);font-size:14px;margin:0}
    .dark-section{background:#0d182b}
    .stat-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:45px;align-items:start}
    .stat-layout h2{font-size:39px;line-height:1.3;margin:8px 0 16px}
    .stat-layout p{color:var(--muted)}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat{padding:24px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.035)}
    .stat strong{font-size:32px;color:var(--gold);display:block}
    .stat span{color:var(--muted);font-size:13px}
    .topic-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
    .topic-main{min-height:390px;position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#111d32}
    .topic-main img{width:100%;height:100%;object-fit:cover;opacity:.62}
    .topic-overlay{position:absolute;inset:auto 0 0;padding:30px;background:linear-gradient(transparent,rgba(4,9,18,.96))}
    .topic-overlay h3{font-size:28px;margin:0 0 7px}
    .topic-overlay p{color:#c1cee1;margin:0}
    .topic-side{display:grid;gap:18px}
    .topic-side article{padding:23px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
    .topic-side h3{font-size:18px;margin:0 0 8px}
    .topic-side p{font-size:14px;color:var(--muted);margin:0}
    .check-list{padding:0;margin:24px 0;list-style:none}
    .check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .compare-card h3{font-size:22px;margin:0 0 14px}
    .compare-card ul{list-style:none;padding:0;color:var(--muted);font-size:14px}
    .compare-card li{padding:9px 0;border-bottom:1px solid var(--line)}
    .compare-card li:before{content:"•";color:var(--gold);margin-right:8px}
    .compare-card.recommend{border-color:var(--cyan);background:linear-gradient(145deg,#12323a,#101b31)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .process-step{position:relative;padding:25px 20px 22px;background:var(--panel);border-radius:18px;border:1px solid var(--line)}
    .process-step b{font-size:31px;color:var(--cyan);display:block;margin-bottom:10px}
    .process-step h3{font-size:17px;margin:0 0 8px}
    .process-step p{font-size:13px;color:var(--muted);margin:0}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .quote-card{background:linear-gradient(135deg,#152642,#101a2d);padding:29px}
    .quote-card p{font-size:18px;margin:0 0 22px;color:#e6edf9}
    .quote-card small{color:var(--gold)}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;color:#c9d8e5}
    .footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer p,.footer a{color:var(--muted);font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer h4{font-size:15px;margin:0 0 15px;color:var(--ink)}
    .foot-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;color:#71819b;font-size:12px}
    :focus-visible{outline:2px solid var(--gold);outline-offset:3px}
    @media(max-width:1024px){.side-rail{width:220px}.main{margin-left:220px;width:calc(100% - 220px)}.container{width:min(var(--container),calc(100% - 42px))}.feature-grid,.compare-grid{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.side-rail{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:20;background:#0a1427;border-bottom:1px solid var(--line);padding:14px 20px;align-items:center;justify-content:space-between}.mobile-bar .brand{margin:0;font-size:19px}.main{margin-left:0;width:100%}.container{width:min(var(--container),calc(100% - 36px))}.section{padding:62px 0}.hero{min-height:610px}.hero-content{padding:76px 0}.intro-grid,.stat-layout,.topic-layout{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:14px}.faq-list{grid-template-columns:1fr}.cta{display:block;padding:35px 27px}.cta .button{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){.hero h1{font-size:43px;letter-spacing:-2px}.hero p{font-size:16px}.hero-meta{gap:18px}.feature-grid,.compare-grid,.stat-grid,.process,.quote-grid,.footer-grid{grid-template-columns:1fr}.image-frame{min-height:280px}.topic-main{min-height:320px}.section-head h2{font-size:31px}.foot-bottom{display:block}.foot-bottom span{display:block;margin-bottom:8px}}

/* roulang page: category3 */
:root{--ink:#eef4ff;--muted:#9caac4;--bg:#08101f;--panel:#101b31;--panel2:#14223c;--line:rgba(220,235,255,.12);--cyan:#55d6d1;--gold:#f5c978;--red:#ff6b6b;--shadow:0 22px 55px rgba(0,0,0,.28);--radius:22px;--container:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(var(--container),calc(100% - 64px));margin:auto}.brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}.nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}.side-nav{display:grid;gap:5px}.side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}.side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}.side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}.desktop-nav{position:fixed;left:0;top:0;bottom:0;width:252px;padding:34px 25px;background:#091323;border-right:1px solid var(--line);z-index:10}.main{margin-left:252px;width:calc(100% - 252px)}.mobile-bar{display:none}.section{padding:82px 0}.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}.section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}.section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}.section-head p{max-width:520px;color:var(--muted);margin:0}.hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.97) 10%,rgba(5,11,24,.7) 55%,rgba(5,11,24,.52)),url("/assets/images/backpic/back-2.webp") center/cover}.hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg));pointer-events:none}.hero-content{position:relative;z-index:1;padding:88px 0;max-width:720px}.hero h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 22px}.hero p{font-size:18px;color:#c6d2e7;max-width:650px;margin-bottom:30px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent}.button.primary{background:var(--cyan);color:#06151c}.button.primary:hover{background:#8ae8df;transform:translateY(-2px)}.button.ghost{border-color:var(--line);color:var(--ink)}.button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}.hero-meta{display:flex;gap:30px;margin-top:42px}.hero-meta b{display:block;font-size:25px;color:var(--gold)}.hero-meta span{font-size:12px;color:var(--muted)}.vertical-panel{position:absolute;right:9%;bottom:55px;width:210px;height:330px;border:1px solid rgba(255,255,255,.25);border-radius:28px;padding:16px;background:rgba(9,19,35,.68);backdrop-filter:blur(10px);z-index:2;box-shadow:var(--shadow)}.vertical-panel img{height:190px;width:100%;object-fit:cover;border-radius:18px}.vertical-panel strong{display:block;margin-top:12px;font-size:15px}.vertical-panel small{color:var(--muted);font-size:11px}.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}.lead-copy{font-size:19px;color:#dce6f5}.muted{color:var(--muted)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card,.story-card,.guide-card,.safe-card,.quote-card,.compare-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;transition:.25s}.feature-card:hover,.story-card:hover,.guide-card:hover,.safe-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}.feature-card h3,.story-card h3,.guide-card h3,.safe-card h3{margin:0 0 8px;font-size:20px}.feature-card p,.story-card p,.guide-card p,.safe-card p{color:var(--muted);font-size:14px;margin:0}.icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:rgba(85,214,209,.12);color:var(--cyan);font-weight:800;margin-bottom:18px}.dark-section{background:#0d182b}.image-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:stretch}.showcase-image{position:relative;min-height:360px}.showcase-image img{width:100%;height:100%;object-fit:cover;opacity:.84;border-radius:var(--radius)}.image-tag{position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.82);border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px}.check-list{padding:0;margin:25px 0;list-style:none}.check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}.check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}.stat{background:var(--panel);padding:25px}.stat b{font-size:30px;color:var(--gold);display:block}.stat span{font-size:13px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.guide-card{padding:22px}.guide-card h3{font-size:17px;margin-top:10px}.guide-card img{height:110px;width:100%;object-fit:cover;border-radius:13px;margin-bottom:13px}.news-layout{display:grid;grid-template-columns:1fr 310px;gap:34px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:95px 1fr auto;align-items:center;gap:18px;padding:19px 0;border-bottom:1px solid var(--line)}.news-item time{color:var(--gold);font-size:13px}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{margin:0;color:var(--muted);font-size:13px}.side-news{background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:var(--radius)}.side-news img{height:150px;width:100%;object-fit:cover;border-radius:14px;margin:15px 0}.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.safe-card{display:flex;gap:16px;align-items:flex-start}.safe-card .icon{flex:none;margin:0}.safe-card h3{font-size:17px}.safe-card p{font-size:13px}.quote-card{background:linear-gradient(135deg,#152642,#101a2d);padding:29px}.quote-card p{font-size:18px;margin:0 0 22px;color:#e6edf9}.quote-card small{color:var(--gold)}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}.faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}.faq-q:after{content:"+";color:var(--cyan);font-size:20px}.faq-item.open .faq-q:after{content:"−"}.faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-a{display:block}.cta{padding:50px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}.cta p{margin:0;color:#c9d8e5}.footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer p,.footer a{color:var(--muted);font-size:13px}.footer a:hover{color:var(--cyan)}.footer h4{margin:0 0 14px;color:var(--ink)}.foot-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);margin-top:35px;padding-top:20px;color:#71819b;font-size:12px}.tag{display:inline-block;color:var(--gold);border:1px solid rgba(245,201,120,.35);border-radius:99px;padding:4px 10px;font-size:12px;margin-bottom:12px}@media(max-width:1024px){.desktop-nav{width:220px}.main{margin-left:220px;width:calc(100% - 220px)}.container{width:min(var(--container),calc(100% - 44px))}.vertical-panel{right:4%}.guide-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.desktop-nav{display:none}.mobile-bar{display:flex;position:sticky;top:0;z-index:20;background:#091323;border-bottom:1px solid var(--line);padding:15px 20px;align-items:center;justify-content:space-between}.mobile-bar .brand{margin:0;font-size:19px}.mobile-links{display:flex;gap:7px;overflow:auto;padding:10px 20px;background:#091323}.mobile-links a{white-space:nowrap;color:var(--muted);font-size:12px;padding:6px 9px;border-radius:8px}.mobile-links a.active{background:rgba(85,214,209,.15);color:var(--ink)}.main{margin:0;width:100%}.hero{min-height:680px}.vertical-panel{right:20px;bottom:30px;width:165px;height:245px}.vertical-panel img{height:125px}.hero-content{padding:70px 0}.image-story,.intro-grid,.news-layout{grid-template-columns:1fr}.feature-grid,.safety-grid{grid-template-columns:1fr 1fr}.news-item{grid-template-columns:75px 1fr}.news-item .button{display:none}.stats{grid-template-columns:repeat(2,1fr)}.faq-list{grid-template-columns:1fr}.cta{display:block;padding:34px}.cta .button{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.foot-bottom{display:block}.foot-bottom span{display:block;margin-top:8px}}@media(max-width:520px){.container{width:calc(100% - 32px)}.section{padding:62px 0}.hero h1{font-size:45px;letter-spacing:-2px}.hero p{font-size:16px}.hero-meta{gap:18px}.vertical-panel{display:none}.section-head{display:block}.section-head p{margin-top:15px}.feature-grid,.guide-grid,.safety-grid{grid-template-columns:1fr}.showcase-image{min-height:250px}.footer-grid{grid-template-columns:1fr}.foot-bottom{font-size:11px}}

/* roulang page: category4 */
:root{
      --ink:#eef4ff;
      --muted:#9caac4;
      --bg:#08101f;
      --panel:#101b31;
      --panel2:#14223c;
      --line:rgba(220,235,255,.12);
      --cyan:#55d6d1;
      --gold:#f5c978;
      --red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--ink);
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      line-height:1.8;
      font-size:16px;
      overflow-x:hidden
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(85,214,209,.65);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .mobile-bar{
      display:none;
      height:66px;
      padding:0 20px;
      align-items:center;
      justify-content:space-between;
      background:#091426;
      border-bottom:1px solid var(--line);
      position:relative;
      z-index:20
    }
    .mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px}
    .mobile-toggle{
      border:1px solid var(--line);
      color:var(--ink);
      background:var(--panel);
      width:42px;height:38px;border-radius:10px
    }
    .mobile-toggle span{display:block;width:18px;height:2px;background:var(--cyan);margin:4px auto}
    .sidebar{
      position:fixed;
      z-index:30;
      inset:0 auto 0 0;
      width:252px;
      padding:34px 20px;
      background:#091426;
      border-right:1px solid var(--line)
    }
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{
      width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;
      display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)
    }
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .nav-note{
      position:absolute;
      left:20px;right:20px;bottom:30px;
      padding:17px 15px;
      border:1px solid var(--line);
      border-radius:15px;
      background:rgba(20,34,60,.55);
      color:var(--muted);
      font-size:12px
    }
    .nav-note strong{display:block;color:var(--gold);font-size:13px;margin-bottom:5px}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .hero{
      min-height:640px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(90deg,rgba(5,11,24,.98) 10%,rgba(5,11,24,.78) 48%,rgba(5,11,24,.58)),
        url("/assets/images/backpic/back-2.webp") center/cover
    }
    .hero:after{
      content:"";position:absolute;inset:auto 0 0;height:170px;
      background:linear-gradient(transparent,var(--bg));pointer-events:none
    }
    .hero-content{position:relative;z-index:1;padding:90px 0 105px;max-width:760px}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .hero h1{
      font-size:clamp(42px,6vw,74px);
      line-height:1.12;
      letter-spacing:-3px;
      margin:17px 0 22px
    }
    .hero p{font-size:18px;color:#c6d2e7;max-width:690px;margin:0 0 30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .button{
      display:inline-flex;align-items:center;justify-content:center;
      padding:12px 22px;border-radius:12px;font-weight:700;
      border:1px solid transparent
    }
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .hero-meta{display:flex;gap:30px;margin-top:42px;flex-wrap:wrap}
    .hero-meta b{display:block;font-size:25px;color:var(--gold);line-height:1.3}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .progress-panel{
      position:absolute;right:6%;bottom:98px;z-index:2;
      width:285px;padding:24px;border:1px solid var(--line);
      border-radius:22px;background:rgba(10,22,41,.87);
      backdrop-filter:blur(12px);box-shadow:var(--shadow)
    }
    .progress-panel h3{font-size:17px;margin:0 0 14px}
    .ring-wrap{display:flex;align-items:center;gap:17px}
    .ring{
      width:94px;height:94px;border-radius:50%;
      background:conic-gradient(var(--cyan) 0 72%,rgba(255,255,255,.1) 72% 100%);
      display:grid;place-items:center;position:relative;flex:none
    }
    .ring:after{content:"";position:absolute;inset:9px;border-radius:50%;background:#0b192d}
    .ring strong{position:relative;z-index:1;color:var(--cyan);font-size:19px}
    .progress-panel p{font-size:12px;color:var(--muted);margin:0}
    .progress-bar{height:6px;border-radius:99px;background:#25354f;margin:17px 0 8px;overflow:hidden}
    .progress-bar span{display:block;width:72%;height:100%;background:var(--cyan);border-radius:inherit}
    .panel-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}
    .section{padding:82px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .lead-copy{font-size:19px;line-height:1.9;color:#dce6f5;max-width:780px}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
    .intro-card{
      padding:30px;border-radius:var(--radius);border:1px solid var(--line);
      background:linear-gradient(145deg,#142641,#0e192d)
    }
    .intro-card .mini-label{color:var(--gold);font-size:12px;letter-spacing:1px}
    .intro-card h3{font-size:25px;margin:10px 0 12px}
    .intro-card p{color:var(--muted);font-size:14px;margin:0}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{
      padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)
    }
    .stat strong{display:block;font-size:32px;line-height:1.2;color:var(--cyan)}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .dark-section{background:#0d182b}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .feature-card,.story-card,.guide-card,.safe-card,.quote-card,.compare-card{
      border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);
      padding:25px;transition:.25s
    }
    .feature-card:hover,.story-card:hover,.guide-card:hover,.safe-card:hover{
      transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)
    }
    .feature-icon,.safe-card .icon{
      width:42px;height:42px;border-radius:13px;
      background:rgba(85,214,209,.13);color:var(--cyan);
      display:grid;place-items:center;font-size:20px;margin-bottom:19px
    }
    .feature-card h3,.story-card h3,.guide-card h3,.safe-card h3{margin:0 0 8px;font-size:20px}
    .feature-card p,.story-card p,.guide-card p,.safe-card p{color:var(--muted);font-size:14px;margin:0}
    .data-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:stretch}
    .data-image{min-height:390px;position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line)}
    .data-image img{width:100%;height:100%;object-fit:cover;opacity:.84}
    .image-tag{
      position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.84);
      border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px
    }
    .check-list{padding:0;margin:20px 0;list-style:none}
    .check-list li{padding:12px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .data-note{padding:17px 19px;border-left:3px solid var(--gold);background:rgba(245,201,120,.06);color:var(--muted);font-size:13px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:25px;height:1px;background:var(--line)}
    .step{position:relative;z-index:1}
    .step-num{
      width:50px;height:50px;border-radius:50%;display:grid;place-items:center;
      background:var(--panel2);border:1px solid var(--cyan);color:var(--cyan);font-weight:800;margin-bottom:17px
    }
    .step h3{font-size:18px;margin:0 0 7px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scenario{
      min-height:190px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);
      background-size:cover;background-position:center;position:relative;overflow:hidden
    }
    .scenario:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,16,31,.96),rgba(8,16,31,.45))}
    .scenario > *{position:relative;z-index:1}
    .scenario h3{font-size:22px;margin:0 0 8px}
    .scenario p{max-width:430px;color:#c4d0e1;font-size:14px;margin:0}
    .badge{
      display:inline-flex;align-items:center;padding:6px 11px;border-radius:99px;
      background:rgba(85,214,209,.12);color:var(--cyan);font-size:11px;margin-bottom:14px
    }
    .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .quote-card{background:linear-gradient(135deg,#152642,#101a2d);padding:29px}
    .quote-card p{font-size:18px;margin:0 0 22px;color:#e6edf9}
    .quote-card small{color:var(--gold)}
    .table-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);overflow:hidden}
    .table-row{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:15px;padding:17px 22px;border-bottom:1px solid var(--line);align-items:center}
    .table-row:last-child{border-bottom:0}
    .table-row.head{background:var(--panel2);color:var(--gold);font-size:12px}
    .table-row span{color:var(--muted);font-size:13px}
    .table-row strong{font-size:15px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}
    .faq-q{
      width:100%;text-align:left;background:none;border:0;color:var(--ink);
      padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:14px
    }
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px;line-height:1}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{
      padding:49px;border-radius:var(--radius);
      background:linear-gradient(110deg,#174447,#152540);
      display:flex;justify-content:space-between;align-items:center;gap:25px
    }
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;color:#c9d8e5;max-width:680px}
    .footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer .brand{margin:0 0 18px}
    .footer p,.footer a{color:var(--muted);font-size:13px}
    .footer p{margin:7px 0}
    .footer a:hover{color:var(--cyan)}
    .footer h4{font-size:14px;color:var(--ink);margin:4px 0 14px}
    .foot-bottom{
      display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
      border-top:1px solid var(--line);margin-top:35px;padding-top:20px;color:#71809a;font-size:12px
    }
    @media(max-width:1100px){
      .progress-panel{right:3%;width:250px}
      .hero-content{max-width:650px}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .stat-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:900px){
      .sidebar{display:none}
      .mobile-bar{display:flex}
      .main{margin-left:0;width:100%}
      .mobile-bar + .sidebar{display:none}
      body.nav-open .sidebar{
        display:block;top:66px;width:100%;height:calc(100vh - 66px);
        position:fixed;padding:25px 24px
      }
      body.nav-open .nav-note{display:none}
      .hero{min-height:720px}
      .progress-panel{position:relative;right:auto;bottom:auto;margin:30px 0 0;width:100%;max-width:310px}
      .hero-content{padding:74px 0 80px}
      .intro-grid,.data-layout{grid-template-columns:1fr}
      .timeline{grid-template-columns:repeat(2,1fr);gap:25px}
      .timeline:before{display:none}
      .scenario-grid,.quote-grid{grid-template-columns:1fr}
    }
    @media(max-width:650px){
      .container{width:min(100% - 38px,var(--container))}
      .hero h1{font-size:43px;letter-spacing:-2px}
      .hero p{font-size:16px}
      .hero-meta{gap:20px}
      .section{padding:64px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .feature-grid,.faq-list{grid-template-columns:1fr}
      .stat-grid{grid-template-columns:1fr 1fr}
      .data-image{min-height:270px}
      .timeline{grid-template-columns:1fr}
      .table-card{overflow-x:auto}
      .table-row{min-width:610px}
      .cta{display:block;padding:30px 24px}
      .cta h2{font-size:28px}
      .cta .button{margin-top:22px;width:100%}
      .footer-grid{grid-template-columns:1fr;gap:22px}
      .foot-bottom{display:block}
      .foot-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category6 */
:root{
      --ink:#eef4ff;
      --muted:#9caac4;
      --bg:#08101f;
      --panel:#101b31;
      --panel2:#14223c;
      --line:rgba(220,235,255,.12);
      --cyan:#55d6d1;
      --gold:#f5c978;
      --red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);
      --radius:22px;
      --container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:2px solid var(--cyan);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .side-shell{position:fixed;z-index:20;left:0;top:0;bottom:0;width:252px;padding:42px 28px;background:#091426;border-right:1px solid var(--line)}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .side-note{margin:42px 10px 0;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:#71809a}
    .mobile-bar{display:none}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .section{padding:88px 0}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .hero{min-height:610px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.98) 10%,rgba(5,11,24,.78) 50%,rgba(5,11,24,.55)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:90px 0;max-width:700px}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.12;letter-spacing:-3px;margin:18px 0 24px}
    .hero p{font-size:18px;color:#c6d2e7;max-width:650px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent}
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .hero-meta{display:flex;gap:28px;margin-top:42px}
    .hero-meta b{display:block;font-size:25px;color:var(--gold)}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .compare-wrap{margin-top:-62px;position:relative;z-index:3}
    .compare-grid{display:grid;grid-template-columns:1fr 1.12fr 1fr;gap:18px;align-items:stretch}
    .compare-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:28px;transition:.25s}
    .compare-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .compare-card.recommend{border-color:var(--cyan);background:linear-gradient(145deg,#12323a,#101b31);position:relative;box-shadow:0 18px 45px rgba(23,142,143,.16)}
    .recommend-badge{position:absolute;right:22px;top:20px;color:#08101f;background:var(--gold);border-radius:99px;padding:5px 10px;font-size:12px;font-weight:800}
    .compare-card h3{font-size:23px;margin:0 0 9px}
    .compare-card p{color:var(--muted);font-size:14px}
    .compare-card ul{list-style:none;padding:0;color:var(--muted);margin:20px 0}
    .compare-card li{padding:9px 0;border-bottom:1px solid var(--line)}
    .compare-card li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:10px}
    .price-note{font-size:13px;color:var(--gold);margin-bottom:15px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
    .intro-copy h2{font-size:clamp(29px,4vw,48px);line-height:1.25;margin:10px 0 20px}
    .intro-copy p{color:var(--muted);margin:0 0 16px}
    .image-frame{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:360px;background:var(--panel)}
    .image-frame img{height:100%;width:100%;object-fit:cover;opacity:.84}
    .image-caption{position:absolute;left:20px;right:20px;bottom:18px;padding:14px 16px;background:rgba(8,16,31,.8);border:1px solid var(--line);border-radius:14px;color:#dce8f8;font-size:13px}
    .dark-section{background:#0d182b}
    .benefit-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:42px;align-items:start}
    .benefit-layout h2{font-size:38px;line-height:1.28;margin:10px 0 15px}
    .benefit-layout p{color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .feature-card,.guide-card,.safe-card,.story-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);padding:25px;transition:.25s}
    .feature-card:hover,.guide-card:hover,.safe-card:hover,.story-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}
    .feature-card h3,.guide-card h3,.safe-card h3,.story-card h3{margin:0 0 8px;font-size:20px}
    .feature-card p,.guide-card p,.safe-card p,.story-card p{color:var(--muted);font-size:14px;margin:0}
    .number{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(85,214,209,.12);color:var(--cyan);font-weight:800;margin-bottom:18px}
    .guide-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:25px}
    .guide-list{border-top:1px solid var(--line)}
    .guide-row{display:grid;grid-template-columns:50px 1fr auto;gap:18px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}
    .guide-row strong{color:var(--gold);font-size:14px}
    .guide-row h3{margin:0 0 5px;font-size:18px}
    .guide-row p{margin:0;color:var(--muted);font-size:13px}
    .mini-panel{padding:28px;border-radius:var(--radius);background:linear-gradient(145deg,#152642,#101a2d);border:1px solid var(--line)}
    .mini-panel h3{font-size:24px;margin:0 0 15px}
    .check-list{padding:0;margin:20px 0;list-style:none}
    .check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .story-card{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:16px}
    .story-card img{height:150px;width:150px;object-fit:cover;border-radius:15px}
    .story-card h3{margin-top:8px}
    .story-card .tag{display:inline-block;color:var(--gold);font-size:12px;border:1px solid rgba(245,201,120,.35);padding:3px 9px;border-radius:99px}
    .stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .stat{background:var(--panel);padding:28px 22px}
    .stat b{display:block;color:var(--cyan);font-size:34px;line-height:1.2}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .safe-card{display:flex;gap:16px;align-items:flex-start}
    .safe-card .icon{flex:none;width:34px;height:34px;border-radius:10px;background:rgba(245,201,120,.12);color:var(--gold);display:grid;place-items:center}
    .safe-card h3{font-size:17px}
    .safe-card p{font-size:13px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:15px}
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;color:#c9d8e5;max-width:650px}
    .footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer p,.footer a{color:var(--muted);font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer h4{font-size:15px;margin:0 0 12px;color:var(--ink)}
    .foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:#687892;font-size:12px}
    @media(max-width:1024px){
      .side-shell{width:220px;padding-left:20px;padding-right:20px}
      .main{margin-left:220px;width:calc(100% - 220px)}
      .compare-grid{grid-template-columns:1fr 1fr}
      .compare-card.recommend{grid-column:span 2;grid-row:1}
      .intro-grid,.benefit-layout,.guide-layout{grid-template-columns:1fr}
      .stat-band{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .side-shell{position:relative;width:100%;height:auto;padding:0;background:#091426;border-right:0;border-bottom:1px solid var(--line)}
      .mobile-bar{display:flex;align-items:center;justify-content:space-between;padding:17px 22px}
      .mobile-bar .brand{margin:0;font-size:20px}
      .menu-toggle{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:10px;padding:7px 12px;cursor:pointer}
      .side-nav{display:none;padding:8px 22px 20px}
      .side-nav.show{display:grid}
      .nav-title{display:none}
      .side-note{display:none}
      .main{margin-left:0;width:100%}
      .container{width:min(var(--container),calc(100% - 40px))}
      .hero{min-height:600px}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-head p{margin-top:15px}
      .scenario-grid,.faq-list{grid-template-columns:1fr}
      .safety-grid{grid-template-columns:1fr}
      .story-card{grid-template-columns:110px 1fr}
      .story-card img{width:110px;height:140px}
      .cta{display:block;padding:35px 26px}
      .cta .button{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .hero h1{font-size:42px;letter-spacing:-2px}
      .hero p{font-size:16px}
      .hero-meta{gap:18px}
      .hero-meta b{font-size:21px}
      .compare-grid{grid-template-columns:1fr}
      .compare-card.recommend{grid-column:auto}
      .feature-grid,.stat-band{grid-template-columns:1fr}
      .guide-row{grid-template-columns:38px 1fr}
      .guide-row .button{grid-column:2;justify-self:start}
      .story-card{grid-template-columns:1fr}
      .story-card img{width:100%;height:170px}
      .footer-grid{grid-template-columns:1fr}
      .foot-bottom{display:block}
      .foot-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category7 */
:root{
      --ink:#eef4ff;
      --muted:#9caac4;
      --bg:#08101f;
      --panel:#101b31;
      --panel2:#14223c;
      --line:rgba(220,235,255,.12);
      --cyan:#55d6d1;
      --gold:#f5c978;
      --red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);
      --radius:22px;
      --container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus,a:focus,input:focus{outline:2px solid var(--cyan);outline-offset:3px}
    h1,h2,h3,h4,p{margin-top:0}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .side-rail{position:fixed;left:0;top:0;bottom:0;width:252px;background:#091426;border-right:1px solid var(--line);padding:34px 23px;z-index:20}
    .side-note{position:absolute;left:23px;right:23px;bottom:30px;padding-top:18px;border-top:1px solid var(--line);color:#667590;font-size:12px}
    .mobile-bar{display:none}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .section{padding:88px 0}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:510px;color:var(--muted);margin:0}
    .page-hero{min-height:570px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.97) 14%,rgba(5,11,24,.76) 58%,rgba(5,11,24,.7)),url("/assets/images/backpic/back-3.webp") center/cover}
    .page-hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:95px 0;max-width:770px}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 24px}
    .hero p{font-size:18px;color:#c6d2e7;max-width:690px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer}
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .hero-meta{display:flex;gap:30px;margin-top:42px;flex-wrap:wrap}
    .hero-meta b{display:block;font-size:25px;color:var(--gold)}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .pill{padding:9px 15px;border:1px solid var(--line);border-radius:99px;color:var(--muted);font-size:13px;display:inline-block}
    .pill:hover{color:var(--cyan);border-color:var(--cyan)}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}
    .intro-copy h2{font-size:clamp(28px,4vw,48px);line-height:1.3;margin:12px 0 20px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .feature-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:29px;box-shadow:var(--shadow)}
    .feature-panel h3{font-size:22px;margin-bottom:12px}
    .feature-panel p{color:var(--muted);font-size:14px;margin-bottom:19px}
    .check-list{padding:0;margin:23px 0 0;list-style:none}
    .check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .dark-section{background:#0d182b}
    .story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
    .story-card{border:1px solid var(--line);background:var(--panel);border-radius:var(--radius);overflow:hidden;transition:.25s}
    .story-card:hover{transform:translateY(-5px);border-color:rgba(85,214,209,.45);box-shadow:var(--shadow)}
    .story-card.large{grid-row:span 2}
    .story-card img{width:100%;height:245px;object-fit:cover}
    .story-card.large img{height:360px}
    .story-card-body{padding:25px}
    .story-card h3{margin:8px 0 9px;font-size:22px}
    .story-card p{color:var(--muted);font-size:14px;margin:0}
    .story-card .tag{color:var(--gold);font-size:12px;letter-spacing:1px}
    .principles{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .principle{padding:24px 20px;border:1px solid var(--line);background:rgba(16,27,49,.7);border-radius:18px}
    .principle .num{font-size:31px;color:var(--cyan);font-weight:800;line-height:1}
    .principle h3{font-size:17px;margin:15px 0 6px}
    .principle p{color:var(--muted);font-size:13px;margin:0}
    .image-story{display:grid;grid-template-columns:.92fr 1.08fr;gap:42px;align-items:stretch}
    .story-image{position:relative;min-height:420px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
    .story-image img{width:100%;height:100%;object-fit:cover}
    .image-tag{position:absolute;left:20px;bottom:20px;background:rgba(8,16,31,.84);border:1px solid var(--line);padding:8px 13px;border-radius:10px;color:var(--gold);font-size:13px}
    .text-panel{padding:17px 0}
    .text-panel h2{font-size:clamp(28px,3.5vw,43px);line-height:1.3;margin:12px 0 20px}
    .text-panel p{color:var(--muted)}
    .quote-line{margin:25px 0;padding:20px 22px;border-left:3px solid var(--gold);background:rgba(245,201,120,.06);color:#e8edf7;font-size:18px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:25px;height:1px;background:var(--line)}
    .timeline-item{position:relative;padding:0 20px 0 0}
    .timeline-dot{width:50px;height:50px;border-radius:50%;background:var(--panel2);border:1px solid var(--cyan);display:grid;place-items:center;color:var(--cyan);font-weight:800;position:relative;z-index:1}
    .timeline-item h3{font-size:19px;margin:20px 0 8px}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .audience-card{display:flex;gap:20px;padding:25px;border:1px solid var(--line);background:var(--panel);border-radius:var(--radius)}
    .audience-icon{width:48px;height:48px;border-radius:15px;background:rgba(85,214,209,.13);color:var(--cyan);display:grid;place-items:center;font-size:22px;flex:none}
    .audience-card h3{font-size:19px;margin:0 0 6px}
    .audience-card p{color:var(--muted);font-size:14px;margin:0}
    .quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .quote-card{border:1px solid var(--line);background:linear-gradient(135deg,#152642,#101a2d);border-radius:var(--radius);padding:29px}
    .quote-card p{font-size:18px;margin:0 0 22px;color:#e6edf9}
    .quote-card small{color:var(--gold)}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between}
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{margin:0;color:#c9d8e5;max-width:680px}
    .footer{background:#060d19;padding:55px 0 25px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer .brand{margin:0 0 18px}
    .footer p,.footer a{color:var(--muted);font-size:13px}
    .footer a:hover{color:var(--cyan)}
    .footer h4{font-size:15px;color:var(--ink);margin:0 0 15px}
    .foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:38px;padding-top:19px;color:#6c7b95;font-size:12px}
    @media(max-width:1024px){
      .side-rail{width:220px}
      .main{margin-left:220px;width:calc(100% - 220px)}
      .feature-grid,.principles{grid-template-columns:repeat(2,1fr)}
      .container{width:min(var(--container),calc(100% - 44px))}
    }
    @media(max-width:768px){
      .side-rail{display:none}
      .mobile-bar{display:flex;position:sticky;top:0;z-index:30;align-items:center;justify-content:space-between;padding:15px 20px;background:rgba(8,16,31,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
      .mobile-bar .brand{margin:0;font-size:18px}
      .mobile-bar .brand-mark{width:32px;height:32px;border-radius:10px}
      .menu-toggle{background:none;border:1px solid var(--line);color:var(--cyan);border-radius:9px;padding:5px 10px}
      .main{margin-left:0;width:100%}
      .side-nav.mobile-open{display:grid;position:absolute;left:0;right:0;top:68px;background:#0b1729;padding:13px 20px;border-bottom:1px solid var(--line)}
      .side-nav.mobile-open a{padding:10px 13px}
      .page-hero{min-height:650px}
      .hero-content{padding:80px 0}
      .intro-grid,.image-story,.story-grid{grid-template-columns:1fr}
      .story-card.large{grid-row:auto}
      .story-card.large img{height:260px}
      .story-image{min-height:340px}
      .timeline{grid-template-columns:1fr;gap:28px}
      .timeline:before{left:24px;top:25px;bottom:24px;width:1px;height:auto}
      .timeline-item{padding-left:76px}
      .timeline-dot{position:absolute;left:0;top:0}
      .audience-grid,.quote-grid,.faq-list{grid-template-columns:1fr}
      .cta{display:block;padding:38px 28px}
      .cta .button{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:min(100% - 32px,var(--container))}
      .section{padding:62px 0}
      .hero h1{font-size:43px;letter-spacing:-2px}
      .hero p{font-size:16px}
      .hero-actions .button{width:100%}
      .hero-meta{gap:18px}
      .feature-grid,.principles,.footer-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .intro-copy h2,.text-panel h2{font-size:32px}
      .audience-card{display:block}
      .audience-icon{margin-bottom:14px}
      .foot-bottom{display:block}
      .foot-bottom span{display:block;margin-bottom:8px}
    }

/* roulang page: category5 */
:root{
      --ink:#eef4ff;
      --muted:#9caac4;
      --bg:#08101f;
      --panel:#101b31;
      --panel2:#14223c;
      --line:rgba(220,235,255,.12);
      --cyan:#55d6d1;
      --gold:#f5c978;
      --red:#ff6b6b;
      --shadow:0 22px 55px rgba(0,0,0,.28);
      --radius:22px;
      --container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--bg);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;font-size:16px;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:focus,button:focus{outline:2px solid var(--gold);outline-offset:3px}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    h1,h2,h3,h4,p{overflow-wrap:anywhere}
    h1,h2,h3,h4{color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 64px));margin:auto}
    .desktop-nav{position:fixed;z-index:20;left:0;top:0;bottom:0;width:252px;padding:40px 25px;background:#0a1427;border-right:1px solid var(--line)}
    .brand{display:flex;align-items:center;gap:12px;margin:0 10px 34px;font-size:22px;font-weight:800;letter-spacing:1px}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--cyan);color:#071421;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 22px rgba(85,214,209,.25)}
    .nav-title{font-size:11px;color:#64738d;letter-spacing:2px;margin:0 12px 12px}
    .side-nav{display:grid;gap:5px}
    .side-nav a{padding:11px 13px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-nav a:hover,.side-nav a.active{color:var(--ink);background:rgba(85,214,209,.12)}
    .side-nav a.active{box-shadow:inset 3px 0 var(--cyan)}
    .nav-note{margin:44px 10px 0;padding-top:20px;border-top:1px solid var(--line);color:#70809b;font-size:12px;line-height:1.7}
    .mobile-bar{display:none}
    .main{margin-left:252px;width:calc(100% - 252px)}
    .section{padding:88px 0}
    .eyebrow{color:var(--cyan);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:34px}
    .section-head h2{margin:8px 0 0;font-size:clamp(27px,3vw,43px);line-height:1.25;letter-spacing:-1px}
    .section-head p{max-width:540px;color:var(--muted);margin:0}
    .button{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:12px;font-weight:700;border:1px solid transparent;cursor:pointer}
    .button.primary{background:var(--cyan);color:#06151c}
    .button.primary:hover{background:#8ae8df;transform:translateY(-2px)}
    .button.ghost{border-color:var(--line);color:var(--ink)}
    .button.ghost:hover{border-color:var(--cyan);color:var(--cyan)}
    .button.gold{background:var(--gold);color:#15130d}
    .button.gold:hover{background:#ffe09a;transform:translateY(-2px)}
    .hero-inner{min-height:600px;display:flex;align-items:center;position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(5,11,24,.98) 12%,rgba(5,11,24,.7) 57%,rgba(5,11,24,.56)),url("/assets/images/backpic/back-2.webp") center/cover}
    .hero-inner:after{content:"";position:absolute;inset:auto 0 0;height:130px;background:linear-gradient(transparent,var(--bg));pointer-events:none}
    .hero-content{position:relative;z-index:1;padding:95px 0 85px;max-width:790px}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.12;letter-spacing:-3px;margin:18px 0 20px}
    .hero p{font-size:18px;color:#c6d2e7;max-width:680px;margin-bottom:30px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px}
    .hero-meta b{display:block;font-size:25px;color:var(--gold)}
    .hero-meta span{font-size:12px;color:var(--muted)}
    .crumb{margin-bottom:16px;color:#8291aa;font-size:13px}
    .crumb a{color:var(--cyan)}
    .stat-strip{margin-top:-34px;position:relative;z-index:2}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}
    .stat{padding:25px 28px;border-right:1px solid var(--line)}
    .stat:last-child{border-right:0}
    .stat strong{display:block;color:var(--gold);font-size:30px;line-height:1.2}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
    .intro-copy h2{font-size:clamp(28px,3.6vw,48px);line-height:1.25;margin:10px 0 18px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .intro-copy p + p{margin-top:15px}
    .visual-card{position:relative;min-height:390px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel)}
    .visual-card img{width:100%;height:390px;object-fit:cover;opacity:.82}
    .visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,16,31,.9),transparent 65%)}
    .visual-caption{position:absolute;z-index:1;left:25px;right:25px;bottom:21px}
    .visual-caption strong{display:block;font-size:23px}
    .visual-caption span{color:#c4d1e5;font-size:13px}
    .feature-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:stretch}
    .feature-panel{padding:34px;border-radius:var(--radius);background:linear-gradient(145deg,#12323a,#101b31);border:1px solid rgba(85,214,209,.25)}
    .feature-panel h3{font-size:29px;line-height:1.35;margin:9px 0 14px}
    .feature-panel p{color:#c0cee3}
    .feature-panel .mini-label{color:var(--gold);font-size:13px}
    .signal-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .signal{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}
    .signal:hover{border-color:rgba(85,214,209,.5);transform:translateY(-3px)}
    .signal b{display:block;font-size:18px;margin-bottom:6px}
    .signal span{color:var(--muted);font-size:13px}
    .dark-section{background:#0d182b}
    .timeline-wrap{display:grid;grid-template-columns:1fr 1fr;gap:45px}
    .timeline-intro h2{font-size:40px;line-height:1.3;margin:9px 0 16px}
    .timeline-intro p{color:var(--muted)}
    .timeline{border-left:1px solid rgba(85,214,209,.35);padding-left:25px}
    .timeline-item{position:relative;padding:0 0 29px}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--cyan);left:-31px;top:10px;box-shadow:0 0 0 5px rgba(85,214,209,.12)}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-item small{color:var(--gold);font-size:12px}
    .timeline-item h3{font-size:19px;margin:4px 0}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
    .team-card{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:var(--panel);transition:.25s}
    .team-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(85,214,209,.45)}
    .team-card img{height:170px;width:100%;object-fit:cover}
    .team-body{padding:21px}
    .team-body h3{font-size:21px;margin:0 0 6px}
    .team-body p{font-size:13px;color:var(--muted);margin:0 0 15px}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap}
    .tag{display:inline-block;border:1px solid var(--line);border-radius:99px;color:var(--cyan);padding:4px 10px;font-size:11px}
    .analysis-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .analysis-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:29px}
    .analysis-card h3{margin:0 0 11px;font-size:23px}
    .analysis-card p{color:var(--muted);font-size:14px}
    .bar-list{margin-top:20px}
    .bar-line{display:grid;grid-template-columns:100px 1fr 42px;gap:12px;align-items:center;margin:14px 0;color:#cbd7e9;font-size:13px}
    .bar{height:8px;background:#24334d;border-radius:99px;overflow:hidden}
    .bar i{display:block;height:100%;background:var(--cyan);border-radius:99px}
    .bar-line em{font-style:normal;color:var(--gold);text-align:right}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:30px}
    .news-list{border-top:1px solid var(--line)}
    .news-item{display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:17px;padding:21px 0;border-bottom:1px solid var(--line)}
    .news-item time{color:var(--gold);font-size:13px}
    .news-item h3{font-size:17px;margin:0 0 4px}
    .news-item p{margin:0;color:var(--muted);font-size:13px}
    .news-item .read{color:var(--cyan);font-size:12px;white-space:nowrap}
    .news-item .read:hover{color:var(--gold)}
    .side-news{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:23px}
    .side-news h3{margin-top:0;font-size:22px}
    .side-news img{height:180px;width:100%;object-fit:cover;border-radius:14px;margin:15px 0}
    .side-news p{color:var(--muted);font-size:14px}
    .check-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .check-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel2)}
    .check-card h3{margin:0 0 14px;font-size:24px}
    .check-list{padding:0;margin:18px 0 0;list-style:none}
    .check-list li{padding:11px 0;border-bottom:1px solid var(--line);color:#d9e3f2}
    .check-list li:before{content:"✓";color:var(--cyan);font-weight:bold;margin-right:12px}
    .faq-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:15px;background:var(--panel);overflow:hidden}
    .faq-q{width:100%;text-align:left;background:none;border:0;color:var(--ink);padding:18px 20px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:15px}
    .faq-q:after{content:"+";color:var(--cyan);font-size:20px;line-height:1}
    .faq-item.open .faq-q:after{content:"−"}
    .faq-a{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:48px 55px;border-radius:var(--radius);background:linear-gradient(110deg,#174447,#152540);display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:34px;line-height:1.3;margin:0 0 10px}
    .cta p{color:#c1d0e4;margin:0;max-width:650px}
    .footer{background:#060d19;border-top:1px solid var(--line);padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .7fr .8fr;gap:50px}
    .footer .brand{margin:0 0 18px}
    .footer p{color:var(--muted);font-size:13px;margin:7px 0}
    .footer h4{font-size:15px;margin:5px 0 14px}
    .footer a:hover{color:var(--cyan)}
    .foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;color:#6f7f99;font-size:12px}
    @media(max-width:1024px){
      .desktop-nav{width:220px;padding:30px 18px}
      .main{margin-left:220px;width:calc(100% - 220px)}
      .container{width:min(var(--container),calc(100% - 44px))}
      .feature-layout,.news-layout,.intro-grid,.timeline-wrap{grid-template-columns:1fr}
      .hero-inner{min-height:560px}
    }
    @media(max-width:768px){
      .desktop-nav{display:none}
      .mobile-bar{display:flex;position:sticky;top:0;z-index:30;align-items:center;justify-content:space-between;padding:13px 20px;background:#0a1427;border-bottom:1px solid var(--line)}
      .mobile-bar .brand{margin:0;font-size:19px}
      .mobile-bar .brand-mark{width:32px;height:32px;border-radius:10px}
      .mobile-menu{color:var(--cyan);border:1px solid var(--line);background:transparent;border-radius:9px;padding:5px 10px;cursor:pointer}
      .mobile-links{display:none;position:absolute;left:0;right:0;top:62px;background:#0a1427;padding:10px 20px 18px;border-bottom:1px solid var(--line)}
      .mobile-links.open{display:grid;gap:4px}
      .mobile-links a{padding:8px 10px;color:var(--muted);border-radius:8px;font-size:14px}
      .mobile-links a.active,.mobile-links a:hover{color:var(--ink);background:rgba(85,214,209,.12)}
      .main{margin-left:0;width:100%}
      .section{padding:65px 0}
      .hero-content{padding:75px 0 65px}
      .hero h1{letter-spacing:-2px}
      .stats{grid-template-columns:repeat(2,1fr)}
      .stat:nth-child(2){border-right:0}
      .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .team-grid{grid-template-columns:repeat(2,1fr)}
      .analysis-grid,.check-layout,.faq-list{grid-template-columns:1fr}
      .cta{display:block;padding:34px 27px}
      .cta .button{margin-top:22px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:520px){
      .container{width:min(100% - 34px,var(--container))}
      .hero h1{font-size:43px}
      .hero p{font-size:16px}
      .hero-meta{gap:18px}
      .stats{grid-template-columns:1fr}
      .stat{border-right:0;border-bottom:1px solid var(--line)!important}
      .stat:last-child{border-bottom:0!important}
      .signal-list,.team-grid{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:2px;padding:18px 0}
      .news-item .read{justify-self:start;margin-top:6px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .foot-bottom{display:block}
      .foot-bottom span{display:block;margin-bottom:8px}
    }