/* roulang page: index */
:root{
      --ink:#101d32;--muted:#66758a;--paper:#f5f8fc;--white:#fff;--line:#dfe7f1;
      --brand:#2457f5;--brand2:#6d4df5;--cyan:#24c7c1;--orange:#ff9f43;
      --deep:#101a31;--soft:#edf3ff;--radius:24px;--shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}.section{padding:94px 0}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}.section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 18px}.section-lead{max-width:700px;color:var(--muted);font-size:17px;margin:0}
    .topline{background:#0b1428;color:#ced8eb;font-size:13px}.topline .container{height:36px;display:flex;align-items:center;justify-content:space-between}.topline strong{color:#fff}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.8)}.navbar{min-height:78px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}.brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}.brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}.nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}.nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}.header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}.header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .hero{min-height:680px;display:flex;align-items:center;position:relative;color:#fff;background:linear-gradient(90deg,rgba(9,19,42,.92),rgba(17,35,74,.54)),url("/assets/images/backpic/back-1.webp") center/cover no-repeat;overflow:hidden}.hero:after{content:"";position:absolute;inset:auto -10% -40% 35%;height:420px;background:radial-gradient(circle,rgba(36,199,193,.28),transparent 65%);pointer-events:none}.hero-content{position:relative;z-index:2;padding:90px 0 74px}.hero .eyebrow{color:#70e6df}.hero h1{font-size:clamp(42px,6vw,78px);line-height:1.08;letter-spacing:-.07em;max-width:780px;margin:0 0 24px;font-weight:950}.hero-copy{font-size:19px;color:#dce6f7;max-width:720px;margin-bottom:32px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.btn-main,.btn-ghost{border:0;border-radius:14px;padding:13px 21px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}.btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;box-shadow:0 12px 24px rgba(28,56,162,.3)}.btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}.btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}.hero-data{display:flex;gap:30px;flex-wrap:wrap;margin-top:48px;padding-top:25px;border-top:1px solid rgba(255,255,255,.22)}.hero-data b{display:block;font-size:27px;line-height:1.2}.hero-data span{display:block;color:#b9c8df;font-size:13px;margin-top:5px}.hero-side{position:absolute;right:5%;bottom:0;width:min(430px,37vw);z-index:2}.hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(18px);border-radius:28px 28px 0 0;padding:25px;color:#fff;box-shadow:0 15px 60px rgba(0,0,0,.2)}.hero-panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.live-dot{display:inline-flex;align-items:center;gap:7px;color:#8bf2c9;font-size:13px}.live-dot:before{content:"";width:8px;height:8px;background:#38e398;border-radius:50%;box-shadow:0 0 0 5px rgba(56,227,152,.15)}.match-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding:16px 0;border-top:1px solid rgba(255,255,255,.14)}.match-row div:last-child{text-align:right}.match-row strong{display:block;font-size:16px}.match-row small{color:#b9c8df}.score{font-size:23px;font-weight:900}.hero-note{font-size:13px;color:#c5d1e5;margin:17px 0 0}
    .stepbar{background:#fff;border-bottom:1px solid var(--line);padding:20px 0}.stepbar-inner{display:flex;justify-content:space-between;gap:15px}.step{display:flex;align-items:center;gap:11px;color:#8a96a8;font-size:14px;font-weight:800;flex:1}.step a{display:flex;align-items:center;gap:11px}.step-num{width:30px;height:30px;border-radius:50%;background:#edf1f7;color:#8090a7;display:grid;place-items:center;font-size:12px}.step.active{color:var(--brand)}.step.active .step-num{background:var(--brand);color:#fff;box-shadow:0 7px 16px rgba(36,87,245,.25)}.step:not(:last-child):after{content:"";height:1px;background:var(--line);flex:1;margin-left:8px}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}.intro-image{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}.intro-image img{width:100%;height:450px;object-fit:cover}.image-tag{position:absolute;left:22px;bottom:22px;background:rgba(16,29,50,.82);color:#fff;border-radius:14px;padding:12px 16px;font-size:13px}.check-list{list-style:none;padding:0;margin:28px 0 0}.check-list li{display:flex;gap:12px;margin:15px 0;color:#425269}.check-list li:before{content:"✓";width:23px;height:23px;flex:none;display:grid;place-items:center;background:#dff9f2;color:#129d83;border-radius:50%;font-weight:900;font-size:13px}
    .compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}.compare-head,.compare-row{display:grid;grid-template-columns:1.5fr repeat(3,1fr);align-items:center}.compare-head{background:#111e36;color:#fff;padding:19px 23px;font-weight:800}.compare-row{padding:19px 23px;border-bottom:1px solid var(--line);font-size:14px}.compare-row:last-child{border-bottom:0}.compare-row strong{font-size:16px}.compare-row span:not(:first-child),.compare-head span:not(:first-child){text-align:center}.yes{color:#0da883;font-weight:900}.no{color:#a1adbb}.featured-col{background:#eef3ff;color:var(--brand);font-weight:850}
    .band{background:linear-gradient(135deg,#151f3d,#283c76);color:#fff}.band .section-lead{color:#bfcbe1}.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}.tier{border:1px solid rgba(255,255,255,.17);background:rgba(255,255,255,.08);border-radius:22px;padding:28px;position:relative;transition:.25s}.tier:hover{transform:translateY(-5px);background:rgba(255,255,255,.13)}.tier.featured{background:#fff;color:var(--ink);border-color:#fff;box-shadow:0 18px 45px rgba(0,0,0,.2)}.tier-badge{position:absolute;right:20px;top:20px;background:#f8bd68;color:#5a3715;border-radius:20px;padding:4px 10px;font-size:11px;font-weight:900}.tier h3{font-size:24px;margin:0 0 8px}.price{font-size:34px;font-weight:950;margin:18px 0}.price small{font-size:13px;font-weight:500;color:#9ba8bb}.tier ul{list-style:none;padding:0;margin:20px 0 27px}.tier li{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}.featured li{border-color:var(--line)}.tier li:before{content:"•";color:var(--cyan);font-size:20px;margin-right:8px}.tier .btn-ghost{width:100%}.tier .btn-main{width:100%}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}.scene{min-height:220px;border-radius:22px;overflow:hidden;position:relative;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:25px;color:#fff}.scene:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,16,35,.9),transparent 70%)}.scene>*{position:relative;z-index:1}.scene h3{font-size:24px;margin:0 0 5px}.scene p{margin:0;color:#d5def0;font-size:14px}.scene.large{grid-row:span 2;min-height:458px}.scene-1{background-image:url("/assets/images/coverpic/cover-3.webp")}.scene-2{background-image:url("/assets/images/coverpic/cover-5.webp")}.scene-3{background-image:url("/assets/images/coverpic/cover-8.webp")}
    .topic-section{background:#eef3ff}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:38px}.topic-card{background:#fff;border:1px solid #dbe5f6;border-radius:20px;padding:22px;transition:.25s}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#b8c9fa}.topic-card .topic-icon{font-size:28px;margin-bottom:15px}.topic-card h3{font-size:19px;margin:0 0 7px}.topic-card p{font-size:14px;color:var(--muted);margin:0 0 15px}.topic-card a{color:var(--brand);font-size:13px;font-weight:850}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden;margin-top:38px}.metric{background:#fff;padding:28px 22px}.metric strong{font-size:38px;line-height:1;color:var(--brand);display:block}.metric span{display:block;color:var(--muted);font-size:14px;margin-top:12px}.metric em{font-style:normal;color:#10a984;font-size:12px;font-weight:800}
    .steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px}.journey{padding:24px;background:#fff;border-radius:20px;border:1px solid var(--line);position:relative}.journey:not(:last-child):after{content:"→";position:absolute;right:-18px;top:48px;color:var(--brand);font-size:24px;font-weight:900}.journey-num{color:var(--brand);font-size:13px;font-weight:950}.journey h3{font-size:19px;margin:12px 0 7px}.journey p{font-size:14px;color:var(--muted);margin:0}
    .news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:25px;margin-top:38px}.news-list,.feature-news{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}.news-item:last-child{border-bottom:0}.news-date{color:var(--brand);font-weight:900;font-size:13px}.news-item h3{font-size:17px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.more{color:var(--brand);font-size:13px;font-weight:850;white-space:nowrap}.feature-news img{width:100%;height:190px;object-fit:cover}.feature-body{padding:23px}.feature-body h3{font-size:23px;line-height:1.35;margin:0 0 11px}.feature-body p{color:var(--muted);font-size:14px}.pill{display:inline-flex;padding:5px 10px;border-radius:20px;background:#e9efff;color:var(--brand);font-size:12px;font-weight:850;margin-bottom:12px}
    .preview{background:var(--deep);color:#fff}.preview-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}.preview .section-lead{color:#bec9db}.timeline{border-left:1px solid rgba(255,255,255,.25);padding-left:25px;margin-top:30px}.timeline-item{position:relative;padding-bottom:24px}.timeline-item:before{content:"";position:absolute;left:-31px;top:8px;width:11px;height:11px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 6px rgba(36,199,193,.14)}.timeline-item strong{display:block;font-size:17px}.timeline-item span{color:#aebbd1;font-size:13px}.preview-art{border-radius:28px;overflow:hidden;box-shadow:0 20px 55px rgba(0,0,0,.27);transform:rotate(2deg)}.preview-art img{width:100%;height:420px;object-fit:cover}
    .trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:center}.quote{background:#fff;border-radius:23px;border:1px solid var(--line);padding:30px;box-shadow:var(--shadow-sm)}.quote p{font-size:20px;line-height:1.7;font-weight:750;margin:0 0 22px}.quote footer{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#73d9cf,#4168f6);display:grid;place-items:center;color:#fff;font-weight:900}.rating{color:#f6a623;letter-spacing:3px}.logos{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.logo-box{background:#fff;border:1px solid var(--line);border-radius:16px;height:75px;display:grid;place-items:center;color:#708099;font-weight:900;letter-spacing:.08em}
    .story{background:#fff}.story-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:start}.story-stat{background:linear-gradient(145deg,#eaf0ff,#fff);border-radius:24px;padding:30px;min-height:250px}.story-stat strong{display:block;font-size:55px;color:var(--brand);line-height:1}.story-stat span{color:var(--muted);display:block;margin-top:14px}.story-copy p{color:#506075;font-size:16px;margin:0 0 18px}.story-copy p:first-child{font-size:20px;color:var(--ink);font-weight:700}
    .faq-list{max-width:900px;margin:38px auto 0}.accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px;background:#fff}.accordion-button{font-weight:800;color:var(--ink);background:#fff!important;box-shadow:none!important;padding:20px 23px}.accordion-button:not(.collapsed){color:var(--brand)}.accordion-body{color:var(--muted);font-size:14px;padding:0 23px 22px}
    .cta{background:linear-gradient(135deg,#2758f4,#674cf0);color:#fff}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}.cta h2{font-size:clamp(30px,4vw,46px);line-height:1.2;margin:0 0 12px}.cta p{color:#d9e3ff;margin:0;max-width:650px}.cta .btn-main{background:#fff;color:var(--brand);box-shadow:none}
    footer{background:#0b1428;color:#aebbd0;padding:55px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr 1fr;gap:35px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{color:#fff}.footer-desc{font-size:13px;max-width:300px;margin-top:17px}.footer h3{color:#fff;font-size:15px;margin:0 0 15px}.footer a{display:block;font-size:13px;margin:8px 0;transition:.2s}.footer a:hover{color:#fff;transform:translateX(3px)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px}.footer-bottom a{display:inline-block;margin:0 0 0 15px}.subscribe{display:flex;margin-top:12px}.subscribe input{min-width:0;width:100%;background:#16223b;border:1px solid #2a3a59;color:#fff;border-radius:10px 0 0 10px;padding:10px 12px;font-size:13px}.subscribe button{background:var(--cyan);color:#082638;border:0;border-radius:0 10px 10px 0;padding:0 13px;font-weight:900;font-size:13px}
    @media(max-width:1024px){.hero-side{right:2%;width:39vw}.intro-grid,.preview-grid{gap:35px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.navbar{min-height:68px}.hero{min-height:auto}.hero-content{padding:75px 0 55px}.hero-side{position:relative;right:auto;width:auto;margin:0 22px 35px}.hero .container{display:block}.hero h1{font-size:46px}.stepbar-inner{overflow-x:auto;padding-bottom:4px}.step{min-width:190px}.step:not(:last-child):after{display:none}.intro-grid,.preview-grid,.trust-grid,.story-grid,.news-layout{grid-template-columns:1fr}.intro-image img{height:330px}.tier-grid,.topic-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}.steps-grid{grid-template-columns:repeat(2,1fr)}.journey:not(:last-child):after{display:none}.news-item{grid-template-columns:76px 1fr}.news-item .more{grid-column:2}.scene.large{grid-row:auto;min-height:260px}.scene-grid{grid-template-columns:1fr}.cta-inner{display:block}.cta .btn-main{margin-top:25px}}
    @media(max-width:520px){.container{padding-left:17px;padding-right:17px}.topline .container{font-size:11px}.topline .container span:last-child{display:none}.hero h1{font-size:39px}.hero-copy{font-size:16px}.hero-data{gap:18px}.hero-data b{font-size:23px}.compare-wrap{overflow-x:auto}.compare-head,.compare-row{min-width:630px}.metric strong{font-size:30px}.steps-grid{grid-template-columns:1fr}.news-item{display:block}.news-item h3{margin:7px 0}.news-item .more{display:inline-block;margin-top:7px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom div:last-child{margin-top:12px}.footer-bottom a{margin-left:0;margin-right:15px}}

/* roulang page: category3 */
:root{
      --ink:#101d32;
      --muted:#66758a;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#dfe7f1;
      --brand:#2457f5;
      --brand2:#6d4df5;
      --cyan:#24c7c1;
      --orange:#ff9f43;
      --deep:#101a31;
      --soft:#edf3ff;
      --radius:24px;
      --shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:86px 0}
    .eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 18px}
    .section-lead{max-width:720px;color:var(--muted);font-size:17px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.8)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}
    .header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .navbar-toggler{padding:8px;background:#eaf0ff;border-radius:12px}
    .navbar-toggler-icon{filter:hue-rotate(185deg)}
    .inner-hero{position:relative;min-height:490px;color:#fff;display:flex;align-items:center;background:linear-gradient(100deg,rgba(9,19,42,.94),rgba(24,52,107,.62)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;overflow:hidden}
    .inner-hero:after{content:"";position:absolute;width:480px;height:480px;right:-110px;top:-160px;border:1px solid rgba(112,230,223,.3);border-radius:50%;box-shadow:0 0 0 30px rgba(112,230,223,.04),0 0 0 60px rgba(112,230,223,.03)}
    .hero-content{position:relative;z-index:2;padding:78px 0}
    .inner-hero .eyebrow{color:#70e6df}
    .inner-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em;max-width:760px;margin:0 0 23px;font-weight:950}
    .hero-copy{font-size:18px;color:#dce6f7;max-width:690px;margin-bottom:30px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn-main,.btn-ghost,.btn-light-custom{border:0;border-radius:14px;padding:13px 21px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}
    .btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;box-shadow:0 12px 24px rgba(28,56,162,.3)}
    .btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}
    .btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}
    .btn-light-custom{background:#fff;color:var(--brand);box-shadow:var(--shadow-sm)}
    .btn-light-custom:hover{color:var(--brand2);transform:translateY(-3px)}
    .hero-badge{display:inline-flex;align-items:center;gap:8px;background:#ffbd67;color:#4b2d0b;border-radius:30px;padding:7px 13px;font-weight:900;font-size:13px;margin-bottom:18px;box-shadow:0 8px 24px rgba(255,159,67,.24)}
    .hero-badge:before{content:"●";font-size:10px}
    .quick-panel{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:25px;margin-top:-62px;position:relative;z-index:4}
    .quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .quick-item{padding:8px 23px;border-right:1px solid var(--line)}
    .quick-item:last-child{border:0}
    .quick-item strong{display:block;font-size:28px;line-height:1.2;color:var(--brand)}
    .quick-item span{display:block;color:var(--muted);font-size:13px;margin-top:5px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:35px}
    .section-head .section-lead{max-width:570px}
    .visual-card{position:relative;overflow:hidden;border-radius:26px;box-shadow:var(--shadow);min-height:390px}
    .visual-card img{width:100%;height:100%;min-height:390px;object-fit:cover}
    .visual-overlay{position:absolute;inset:auto 0 0;padding:26px;color:#fff;background:linear-gradient(transparent,rgba(7,18,42,.9))}
    .visual-overlay h3{font-size:25px;margin:0 0 5px}
    .visual-overlay p{margin:0;color:#dce6f7;font-size:14px}
    .feature-copy{padding:14px 0 0 18px}
    .feature-copy h2{font-size:35px;line-height:1.25;margin-bottom:17px;font-weight:900}
    .feature-copy p{color:var(--muted);font-size:16px}
    .check-list{list-style:none;padding:0;margin:25px 0 0}
    .check-list li{display:flex;gap:12px;margin:15px 0;color:#425269}
    .check-list li:before{content:"✓";width:23px;height:23px;flex:none;display:grid;place-items:center;background:#dff9f2;color:#129d83;border-radius:50%;font-weight:900;font-size:13px;margin-top:3px}
    .soft-section{background:#eef3ff}
    .insight-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .insight-card{background:#fff;border:1px solid #dbe5f6;border-radius:22px;padding:27px;box-shadow:var(--shadow-sm)}
    .insight-card.dark{background:var(--deep);color:#fff;border:0}
    .insight-card h3{font-size:23px;margin:0 0 9px;font-weight:900}
    .insight-card p{color:var(--muted);font-size:14px;margin:0}
    .insight-card.dark p{color:#bdc9dd}
    .meter{margin-top:23px}
    .meter-label{display:flex;justify-content:space-between;font-size:13px;font-weight:800;margin-bottom:7px}
    .meter-track{height:9px;background:#eaf0f8;border-radius:20px;overflow:hidden}
    .meter-fill{height:100%;border-radius:20px;background:linear-gradient(90deg,var(--brand),var(--cyan))}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
    .tag{font-size:12px;font-weight:800;border-radius:20px;padding:5px 10px;background:#eaf0ff;color:var(--brand)}
    .tag.orange{background:#fff0dc;color:#b76b14}
    .scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .scene-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;gap:18px;transition:.25s}
    .scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:#b8c9fa}
    .scene-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(135deg,#eaf0ff,#e2fbf7);color:var(--brand);font-size:22px;flex:none}
    .scene-card h3{font-size:19px;margin:0 0 5px}
    .scene-card p{margin:0;color:var(--muted);font-size:14px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:30px}
    .timeline:before{content:"";position:absolute;left:8%;right:8%;top:28px;height:2px;background:#cbd9f5}
    .time-item{position:relative;z-index:1;text-align:center}
    .time-number{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;margin:0 auto 18px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:900;font-size:19px;box-shadow:0 10px 22px rgba(36,87,245,.25)}
    .time-item h3{font-size:17px;margin:0 0 6px}
    .time-item p{font-size:13px;color:var(--muted);margin:0;padding:0 10px}
    .case-wrap{background:linear-gradient(135deg,#182a52,#101a31);border-radius:30px;padding:42px;color:#fff;position:relative;overflow:hidden}
    .case-wrap:after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;right:-80px;top:-100px;background:rgba(36,199,193,.14)}
    .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;position:relative;z-index:1}
    .case-wrap p{color:#c2cde0}
    .case-stat{display:flex;gap:30px;flex-wrap:wrap;margin-top:25px}
    .case-stat strong{display:block;font-size:28px;color:#73e3da}
    .case-stat span{font-size:12px;color:#b9c8df}
    .case-list{list-style:none;padding:0;margin:0}
    .case-list li{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
    .case-list b{color:#fff}
    .case-list em{font-style:normal;color:#73e3da;font-weight:800}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:start}
    .faq-intro{position:sticky;top:115px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:15px!important;overflow:hidden;margin-bottom:12px;background:#fff}
    .accordion-button{font-weight:850;color:var(--ink);background:#fff;padding:18px 20px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--brand);background:#f4f7ff}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 20px 20px}
    .cta{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border-radius:30px;padding:46px 52px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-65px;top:-110px}
    .cta h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0 0 12px;position:relative;z-index:1}
    .cta p{color:#e1e7ff;max-width:670px;position:relative;z-index:1}
    .cta .btn-light-custom{position:relative;z-index:1}
    footer{background:#0e192d;color:#fff;padding:34px 0 25px}
    .footer-top{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-profile{display:flex;align-items:center;gap:13px;color:#dce5f5;font-size:13px}
    .avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--brand));display:grid;place-items:center;color:#fff;font-size:18px;font-weight:900}
    .footer-profile strong{color:#fff;font-size:15px}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;color:#b9c7db;font-size:13px}
    .footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#92a2ba;font-size:12px;padding-top:19px}
    @media(max-width:991px){
      .hero-side{display:none}
      .quick-grid{grid-template-columns:repeat(2,1fr)}
      .quick-item:nth-child(2){border-right:0}
      .quick-item:nth-child(-n+2){border-bottom:1px solid var(--line);padding-bottom:18px}
      .quick-item:nth-child(n+3){padding-top:18px}
      .intro-grid,.insight-grid,.case-grid,.faq-grid{grid-template-columns:1fr}
      .faq-intro{position:static}
      .feature-copy{padding:25px 0 0}
      .timeline{grid-template-columns:repeat(2,1fr);row-gap:28px}
      .timeline:before{display:none}
    }
    @media(max-width:767px){
      .section{padding:65px 0}
      .navbar{min-height:68px}
      .inner-hero{min-height:560px}
      .hero-content{padding:65px 0}
      .inner-hero h1{font-size:45px}
      .section-head{display:block}
      .section-head .section-lead{margin-top:13px}
      .scene-grid{grid-template-columns:1fr}
      .case-wrap{padding:30px 22px}
      .cta{padding:34px 24px}
    }
    @media(max-width:520px){
      .container{padding-left:16px;padding-right:16px}
      .quick-panel{margin-top:-35px;padding:15px}
      .quick-item{padding-left:10px;padding-right:10px}
      .quick-item strong{font-size:23px}
      .quick-item span{font-size:11px}
      .timeline{grid-template-columns:1fr}
      .hero-actions a{width:100%}
      .footer-top,.footer-bottom{display:block}
      .footer-links{margin-top:20px}
      .footer-bottom div+div{margin-top:9px}
    }

/* roulang page: category1 */
:root{
      --ink:#101d32;--muted:#66758a;--paper:#f5f8fc;--white:#fff;--line:#dfe7f1;
      --brand:#2457f5;--brand2:#6d4df5;--cyan:#24c7c1;--orange:#ff9f43;
      --deep:#101a31;--soft:#edf3ff;--radius:24px;--shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    html{scroll-behavior:smooth}
    *{box-sizing:border-box}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:88px 0}
    .eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 18px}
    .section-lead{max-width:720px;color:var(--muted);font-size:17px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.8)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}
    .header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .hero{min-height:650px;display:flex;align-items:center;position:relative;color:#fff;background:linear-gradient(90deg,rgba(9,19,42,.94),rgba(17,35,74,.58)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-10%;bottom:-50%;width:650px;height:650px;background:radial-gradient(circle,rgba(36,199,193,.3),transparent 65%);pointer-events:none}
    .hero-content{position:relative;z-index:2;padding:96px 0 80px}
    .hero .eyebrow{color:#70e6df}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.07em;max-width:720px;margin:0 0 24px;font-weight:950}
    .hero-copy{font-size:19px;color:#dce6f7;max-width:680px;margin-bottom:32px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn-main,.btn-ghost{border:0;border-radius:14px;padding:13px 21px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}
    .btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;box-shadow:0 12px 24px rgba(28,56,162,.3)}
    .btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}
    .btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}
    .hero-data{display:flex;gap:30px;flex-wrap:wrap;margin-top:48px;padding-top:25px;border-top:1px solid rgba(255,255,255,.22)}
    .hero-data b{display:block;font-size:27px;line-height:1.2}
    .hero-data span{display:block;color:#b9c8df;font-size:13px;margin-top:5px}
    .video-card{position:absolute;right:5%;bottom:45px;width:min(430px,37vw);z-index:2;border-radius:28px;overflow:hidden;background:#101a31;box-shadow:0 22px 70px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.25)}
    .video-card img{width:100%;height:260px;object-fit:cover;opacity:.74}
    .video-overlay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(180deg,rgba(16,26,49,.05),rgba(16,26,49,.68))}
    .play-button{width:70px;height:70px;border:0;border-radius:50%;background:#fff;color:var(--brand);font-size:25px;padding-left:5px;box-shadow:0 12px 30px rgba(0,0,0,.25);transition:.25s}
    .play-button:hover{transform:scale(1.08);background:#70e6df}
    .video-caption{padding:18px 21px;color:#fff}
    .video-caption strong{display:block;font-size:17px}
    .video-caption small{color:#bdc9df}
    .stepbar{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{padding:22px 15px;position:relative}
    .step:not(:last-child):after{content:"";position:absolute;right:0;top:33px;width:50%;height:1px;background:#cad7ec}
    .step a{position:relative;z-index:1;display:flex;align-items:center;gap:10px;font-weight:800;font-size:14px}
    .step-num{width:30px;height:30px;border-radius:10px;background:#eaf0ff;color:var(--brand);display:grid;place-items:center;font-size:12px}
    .step.active .step-num{background:var(--brand);color:#fff}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .media-frame{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#dbe6f7}
    .media-frame img{width:100%;height:430px;object-fit:cover}
    .image-tag{position:absolute;left:22px;bottom:22px;background:rgba(16,29,50,.84);color:#fff;border-radius:14px;padding:10px 15px;font-size:13px}
    .check-list{list-style:none;padding:0;margin:28px 0 0}
    .check-list li{display:flex;gap:12px;margin:15px 0;color:#425269}
    .check-list li:before{content:"✓";width:23px;height:23px;flex:none;display:grid;place-items:center;background:#dff9f2;color:#129d83;border-radius:50%;font-weight:900;font-size:13px}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;margin-top:40px}
    .feature-card,.info-card,.news-card,.quote-card,.faq-item,.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.25s}
    .feature-card:hover,.info-card:hover,.news-card:hover,.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card{padding:30px;min-height:245px}
    .feature-card.large{background:linear-gradient(145deg,#eef3ff,#fff);min-height:310px}
    .icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:#eaf0ff;color:var(--brand);font-size:22px;margin-bottom:22px}
    .feature-card h3,.info-card h3,.news-card h3{font-size:21px;line-height:1.35;margin:0 0 10px}
    .feature-card p,.info-card p,.news-card p{color:var(--muted);font-size:14px;margin:0}
    .metric-band{background:var(--deep);color:#fff}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
    .metric{padding:18px 0;border-right:1px solid rgba(255,255,255,.14)}
    .metric:last-child{border:0}
    .metric b{font-size:38px;line-height:1;display:block;color:#70e6df}
    .metric span{color:#c0cce0;font-size:14px}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;margin-top:40px}
    .info-card{padding:27px}
    .info-card.accent{background:linear-gradient(135deg,#2457f5,#6d4df5);color:#fff;border:0}
    .info-card.accent p{color:#dce6f7}
    .info-card.accent .icon{background:rgba(255,255,255,.15);color:#fff}
    .timeline{margin-top:35px;border-left:2px solid #c9d7ef;padding-left:28px}
    .timeline-item{position:relative;padding:0 0 30px}
    .timeline-item:before{content:"";position:absolute;left:-36px;top:9px;width:14px;height:14px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px #e2eaff}
    .timeline-item strong{display:block;font-size:18px}
    .timeline-item p{color:var(--muted);margin:5px 0 0}
    .news-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:38px}
    .news-card{display:grid;grid-template-columns:145px 1fr;overflow:hidden}
    .news-card img{width:145px;height:100%;min-height:155px;object-fit:cover}
    .news-body{padding:20px}
    .news-date{font-size:12px;color:var(--brand);font-weight:800;margin-bottom:6px}
    .news-link{display:inline-block;color:var(--brand);font-weight:800;font-size:13px;margin-top:12px}
    .quote-section{background:#eef3ff}
    .quote-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;margin-top:38px}
    .quote-card{padding:30px}
    .quote-card blockquote{font-size:24px;line-height:1.55;font-weight:800;margin:0 0 22px}
    .profile{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--cyan));color:#fff;font-weight:900}
    .score-panel{background:var(--deep);color:#fff;border-radius:var(--radius);padding:28px}
    .score-panel h3{margin:0 0 22px}
    .score-line{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14px}
    .score-line b{color:#70e6df}
    .faq-list{max-width:860px;margin:38px auto 0}
    .faq-item{margin-bottom:12px;overflow:hidden}
    .faq-item button{width:100%;border:0;background:#fff;text-align:left;padding:20px 24px;font-weight:850;color:var(--ink);display:flex;justify-content:space-between;align-items:center}
    .faq-item button span{color:var(--brand);font-size:22px}
    .faq-answer{display:none;padding:0 24px 22px;color:var(--muted);font-size:15px}
    .faq-item.open .faq-answer{display:block}
    .cta{padding:58px 0;background:linear-gradient(135deg,#2457f5,#6d4df5);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(28px,4vw,46px);line-height:1.2;margin:0 0 12px}
    .cta p{color:#dce6f7;margin:0;max-width:640px}
    .cta .btn-main{background:#fff;color:var(--brand);box-shadow:none}
    .cta .btn-main:hover{color:var(--brand);background:#e7fffb}
    footer{background:#0c1427;color:#c3cee1;padding:35px 0}
    .footer-top{display:flex;justify-content:space-between;gap:25px;align-items:center}
    .footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:20px;font-weight:900}
    .footer-note{font-size:13px;color:#9eacc3;margin:12px 0 0}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a:hover{color:#70e6df}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:20px;font-size:12px;color:#93a1b7}
    .toast-note{position:fixed;right:22px;bottom:22px;background:var(--deep);color:#fff;padding:14px 18px;border-radius:14px;box-shadow:var(--shadow);display:none;z-index:1100}
    @media(max-width:1024px){
      .video-card{right:3%;width:34vw}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-column:span 2}.split{gap:35px}
    }
    @media(max-width:768px){
      .navbar{min-height:68px}.navbar-collapse{background:#fff;border-radius:16px;margin-top:10px;padding:10px;box-shadow:var(--shadow)}
      .video-card{position:relative;right:auto;bottom:auto;width:100%;max-width:430px;margin:28px 22px 0}.hero{display:block}.hero-content{padding:70px 0 25px}
      .steps{grid-template-columns:repeat(2,1fr)}.step:nth-child(2):after{display:none}
      .split,.scene-grid,.quote-grid{grid-template-columns:1fr}.split.reverse .media-frame{order:-1}
      .metric-grid{grid-template-columns:1fr 1fr}.metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
      .news-wrap{grid-template-columns:1fr}.cta-inner,.footer-top{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .section{padding:62px 0}.container{padding-left:17px;padding-right:17px}.hero h1{font-size:43px}
      .feature-grid{grid-template-columns:1fr}.feature-card.large{grid-column:auto}.steps{grid-template-columns:1fr}.step:after{display:none!important}
      .news-card{grid-template-columns:1fr}.news-card img{width:100%;height:180px}.metric-grid{gap:10px}.metric b{font-size:30px}
      .video-card{margin-left:17px;margin-right:17px}.cta{padding:48px 0}
    }

/* roulang page: category2 */
:root{
      --ink:#101d32;--muted:#66758a;--paper:#f5f8fc;--white:#fff;--line:#dfe7f1;
      --brand:#2457f5;--brand2:#6d4df5;--cyan:#24c7c1;--orange:#ff9f43;
      --deep:#101a31;--soft:#edf3ff;--radius:24px;--shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:88px 0}
    .eyebrow{color:var(--brand);font-weight:850;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:950;line-height:1.2;letter-spacing:-.055em;margin:0 0 18px}
    .section-lead{max-width:760px;color:var(--muted);font-size:16px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.9)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .navbar-toggler-icon{width:1.4em;height:1.4em}
    .nav-link{font-size:14px;font-weight:750;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}
    .header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .journey{background:#fff;border-bottom:1px solid var(--line)}
    .journey-inner{display:flex;align-items:center;gap:0;min-height:64px;overflow-x:auto;scrollbar-width:none}
    .journey-inner::-webkit-scrollbar{display:none}
    .journey-step{flex:1;min-width:190px;display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;font-weight:750;padding:12px 18px;position:relative;transition:.2s}
    .journey-step:not(:last-child):after{content:"";height:1px;background:#d6e0ee;position:absolute;right:-16px;width:32px}
    .journey-step:hover{color:var(--brand)}
    .step-no{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#eaf0ff;color:var(--brand);font-weight:900;font-size:12px;flex:none}
    .journey-step.current{color:var(--ink)}
    .journey-step.current .step-no{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 6px 14px rgba(36,87,245,.23)}
    .inner-hero{position:relative;overflow:hidden;background:linear-gradient(100deg,rgba(10,23,52,.96) 0%,rgba(19,41,85,.83) 52%,rgba(35,83,160,.46)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;color:#fff}
    .inner-hero:before{content:"";position:absolute;width:540px;height:540px;right:-170px;top:-175px;border-radius:50%;background:radial-gradient(circle,rgba(36,199,193,.33),transparent 67%)}
    .inner-hero .container{position:relative;z-index:1;padding-top:88px;padding-bottom:86px}
    .crumb{color:#b9c8df;font-size:13px;margin-bottom:28px}
    .crumb a:hover{color:#fff}
    .inner-hero .eyebrow{color:#71e9e1}
    .inner-hero h1{font-size:clamp(42px,6vw,70px);font-weight:950;line-height:1.08;letter-spacing:-.075em;max-width:740px;margin:0 0 24px}
    .hero-text{font-size:18px;color:#d9e4f7;max-width:680px;margin:0}
    .hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:29px}
    .data-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid rgba(255,255,255,.2);border-radius:99px;background:rgba(255,255,255,.11);font-size:13px;color:#eaf3ff}
    .data-badge i{width:7px;height:7px;background:#64e1d7;border-radius:50%;box-shadow:0 0 0 4px rgba(100,225,215,.13)}
    .hero-card{position:absolute;right:max(5%,calc((100% - 1180px)/2));bottom:0;width:340px;padding:24px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.24);border-bottom:0;border-radius:25px 25px 0 0;backdrop-filter:blur(16px)}
    .hero-card-label{color:#90eee8;font-size:12px;font-weight:850;letter-spacing:.08em}
    .hero-card strong{display:block;font-size:21px;line-height:1.35;margin:9px 0}
    .hero-card p{font-size:13px;color:#c9d7ed;margin:0}
    .pulse-line{height:4px;background:rgba(255,255,255,.17);border-radius:10px;margin-top:17px;overflow:hidden}
    .pulse-line span{display:block;height:100%;width:73%;border-radius:inherit;background:linear-gradient(90deg,#23c7c1,#7d85ff)}
    .summary-strip{margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}
    .summary-grid{display:grid;grid-template-columns:1.18fr repeat(3,.72fr)}
    .summary-item{padding:25px 28px;border-right:1px solid var(--line)}
    .summary-item:last-child{border-right:0}
    .summary-item b{display:block;font-size:24px;line-height:1.15;letter-spacing:-.04em}
    .summary-item span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .summary-item:first-child b{font-size:16px;letter-spacing:0}
    .summary-item:first-child span{line-height:1.65}
    .signal-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:45px;align-items:center}
    .image-wrap{position:relative}
    .image-wrap img{width:100%;height:475px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .floating-note{position:absolute;right:-18px;bottom:30px;max-width:245px;padding:17px 19px;border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)}
    .floating-note b{display:block;color:var(--brand);font-size:21px;line-height:1.1}
    .floating-note span{font-size:13px;color:var(--muted)}
    .signal-list{margin-top:28px}
    .signal-row{display:grid;grid-template-columns:44px 1fr;gap:15px;padding:17px 0;border-bottom:1px solid var(--line)}
    .signal-row:last-child{border-bottom:0}
    .signal-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#eaf0ff;color:var(--brand);font-weight:950}
    .signal-row h3{font-size:17px;margin:0 0 3px;font-weight:900}
    .signal-row p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
    .market-section{background:#edf3ff}
    .market-top{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:35px}
    .market-board{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .deal-feature{min-height:410px;border-radius:28px;overflow:hidden;position:relative;background:linear-gradient(180deg,transparent 15%,rgba(9,18,40,.92)),url("/assets/images/coverpic/cover-2.webp") center/cover no-repeat;color:#fff;padding:28px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow)}
    .deal-feature:before{content:"重点观察";position:absolute;top:24px;left:24px;padding:5px 11px;border-radius:99px;background:rgba(255,255,255,.17);backdrop-filter:blur(10px);font-size:12px;font-weight:800}
    .deal-feature h2{font-size:31px;line-height:1.25;font-weight:950;max-width:520px;margin:0 0 11px}
    .deal-feature p{color:#d7e2f6;margin:0;max-width:570px;font-size:14px}
    .deal-side{display:grid;gap:18px}
    .deal-mini{background:#fff;border:1px solid #dce5f5;border-radius:22px;padding:22px;display:grid;grid-template-columns:52px 1fr;gap:15px;align-items:start;transition:.25s}
    .deal-mini:hover{border-color:#abc1ff;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
    .deal-code{width:52px;height:52px;border-radius:17px;background:linear-gradient(135deg,#edf2ff,#d6e2ff);color:var(--brand);display:grid;place-items:center;font-size:19px;font-weight:950}
    .deal-mini h3{font-size:17px;line-height:1.4;margin:0 0 6px;font-weight:900}
    .deal-mini p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .status{font-size:12px;font-weight:850;display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:#168d79}
    .status:before{content:"";width:7px;height:7px;border-radius:50%;background:#24c7c1}
    .scenes-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:42px;align-items:start}
    .scene-intro{position:sticky;top:165px}
    .scene-intro p{color:var(--muted);font-size:16px}
    .scene-photo{margin-top:28px;border-radius:22px;overflow:hidden}
    .scene-photo img{height:220px;width:100%;object-fit:cover}
    .scene-cards{display:grid;grid-template-columns:1fr 1fr;gap:17px}
    .scene-card{min-height:220px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:23px;transition:.25s}
    .scene-card:nth-child(2){margin-top:34px;background:var(--deep);border-color:var(--deep);color:#fff}
    .scene-card:nth-child(3){margin-top:-34px;background:#e9f8f6;border-color:#d1f1eb}
    .scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}
    .scene-num{font-size:13px;color:var(--brand);font-weight:900;letter-spacing:.08em}
    .scene-card:nth-child(2) .scene-num{color:#6ee8df}
    .scene-card h3{font-size:19px;font-weight:900;margin:27px 0 8px}
    .scene-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75}
    .scene-card:nth-child(2) p{color:#c4d0e5}
    .method-section{background:var(--deep);color:#fff;position:relative;overflow:hidden}
    .method-section:after{content:"";position:absolute;width:600px;height:600px;border-radius:50%;right:-280px;bottom:-380px;background:radial-gradient(circle,rgba(109,77,245,.48),transparent 65%)}
    .method-section .container{position:relative;z-index:1}
    .method-section .eyebrow{color:#74e7e1}
    .method-section .section-lead{color:#bfcee7}
    .method-grid{display:grid;grid-template-columns:repeat(4,1fr);margin-top:43px;border-top:1px solid rgba(255,255,255,.15);border-left:1px solid rgba(255,255,255,.15)}
    .method-item{min-height:255px;padding:27px 23px;border-right:1px solid rgba(255,255,255,.15);border-bottom:1px solid rgba(255,255,255,.15)}
    .method-index{color:#78e9e1;font-size:13px;font-weight:900;letter-spacing:.12em}
    .method-item h3{font-size:20px;font-weight:900;margin:35px 0 9px}
    .method-item p{font-size:14px;color:#c1cee1;margin:0;line-height:1.75}
    .comparison-wrap{background:#fff;border:1px solid var(--line);border-radius:28px;margin-top:37px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .compare-head,.compare-row{display:grid;grid-template-columns:1.4fr repeat(2,1fr);align-items:center}
    .compare-head{background:#f5f8ff;color:#53647e;font-weight:850;font-size:14px}
    .compare-head div,.compare-row div{padding:17px 22px}
    .compare-head div:not(:first-child),.compare-row div:not(:first-child){text-align:center}
    .compare-row{border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
    .compare-row strong{font-size:15px;color:var(--ink)}
    .compare-row .highlight{color:var(--brand);font-weight:850;background:#f3f6ff}
    .case-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:20px;margin-top:40px}
    .case-main{padding:38px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow-sm)}
    .quote-mark{font-size:58px;line-height:.8;color:#a8baff;font-family:Georgia,serif}
    .case-main blockquote{font-size:24px;line-height:1.58;font-weight:850;letter-spacing:-.035em;margin:16px 0 25px}
    .case-person{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
    .case-person .avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2457f5,#6d4df5);color:#fff;font-weight:900}
    .case-stats{display:grid;gap:20px}
    .stat-panel{border-radius:26px;padding:28px;background:linear-gradient(135deg,#2457f5,#6048dd);color:#fff}
    .stat-panel:nth-child(2){background:#e9f8f6;color:var(--ink)}
    .stat-panel b{font-size:43px;line-height:1;font-weight:950;letter-spacing:-.07em}
    .stat-panel span{display:block;margin-top:9px;font-size:14px;color:#dfe7ff}
    .stat-panel:nth-child(2) span{color:var(--muted)}
    .faq-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:65px;align-items:start}
    .faq-side{padding:31px;border-radius:25px;background:#eaf0ff}
    .faq-side p{color:#526681;font-size:14px;margin:0 0 20px}
    .faq-side a{display:inline-flex;padding:10px 15px;border-radius:12px;background:var(--brand);color:#fff;font-size:14px;font-weight:850;transition:.2s}
    .faq-side a:hover{background:var(--brand2);transform:translateY(-2px)}
    .accordion{display:grid;gap:12px}
    .accordion-item{border:1px solid var(--line)!important;border-radius:17px!important;overflow:hidden;background:#fff}
    .accordion-button{font-weight:850;color:var(--ink);padding:19px 21px;font-size:16px;box-shadow:none!important;background:#fff!important}
    .accordion-button:not(.collapsed){color:var(--brand)!important}
    .accordion-button:after{background-size:15px}
    .accordion-body{padding:0 21px 20px;color:var(--muted);font-size:14px;line-height:1.85}
    .cta-section{padding:0 0 88px}
    .cta-box{position:relative;overflow:hidden;border-radius:30px;padding:55px 60px;background:linear-gradient(120deg,#2457f5,#6347e1);color:#fff}
    .cta-box:after{content:"";position:absolute;width:390px;height:390px;border-radius:50%;right:-120px;top:-180px;border:55px solid rgba(255,255,255,.1)}
    .cta-box > *{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(29px,4vw,44px);font-weight:950;letter-spacing:-.05em;line-height:1.2;margin:0 0 13px}
    .cta-box p{max-width:650px;color:#dfe7ff;margin:0 0 25px}
    .btn-light{display:inline-flex;align-items:center;justify-content:center;padding:13px 21px;border-radius:14px;background:#fff;color:var(--brand);font-weight:900;transition:.25s}
    .btn-light:hover{color:var(--brand2);transform:translateY(-3px);box-shadow:0 12px 22px rgba(18,30,102,.22)}
    footer{background:#0c172c;color:#d2ddef;padding:59px 0 27px}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr .85fr;gap:38px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:22px;font-weight:950;letter-spacing:-.05em;margin-bottom:15px}
    .footer-copy{max-width:410px;color:#9fb0c9;font-size:14px;margin:0}
    footer h3{font-size:14px;color:#fff;font-weight:900;margin:5px 0 13px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{font-size:14px;color:#aebdd1;transition:.2s}
    .footer-links a:hover{color:#76e8e0}
    footer .reader{display:flex;align-items:center;gap:10px;font-size:13px;color:#b7c5d8}
    footer .avatar{width:36px;height:36px;background:linear-gradient(135deg,#24c7c1,#2457f5);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:900;flex:none}
    .record{display:flex;flex-wrap:wrap;gap:9px 18px;padding-top:22px;color:#90a2ba;font-size:12px}
    .record a:hover{color:#fff}
    @media (max-width:1100px){
      .hero-card{right:22px;width:295px}.method-grid{grid-template-columns:repeat(2,1fr)}.summary-grid{grid-template-columns:1.1fr repeat(3,.75fr)}
    }
    @media (max-width:991px){
      .navbar-collapse{padding:12px 0 16px}.navbar-nav{align-items:stretch!important}.nav-link{padding:11px 13px!important}.header-cta{display:inline-flex;justify-content:center}
      .inner-hero .container{padding-top:70px;padding-bottom:250px}.hero-card{left:22px;right:auto;bottom:0;width:min(430px,calc(100% - 44px))}
      .summary-grid{grid-template-columns:1fr 1fr}.summary-item{border-bottom:1px solid var(--line)}.summary-item:nth-child(2){border-right:0}
      .signal-layout,.scenes-layout,.faq-layout{grid-template-columns:1fr;gap:35px}.scene-intro{position:static}.scene-photo{max-width:560px}.market-board{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .section{padding:65px 0}.journey-inner{margin:0 -22px;padding:0 10px}.journey-step{min-width:160px;padding:11px 12px}.journey-step:not(:last-child):after{display:none}
      .inner-hero .container{padding-top:57px;padding-bottom:244px}.hero-text{font-size:16px}.hero-badges{gap:7px}.data-badge{font-size:12px}
      .summary-grid{grid-template-columns:1fr}.summary-item,.summary-item:nth-child(2){border-right:0}.summary-item{padding:20px 4px}
      .image-wrap img{height:355px}.floating-note{right:12px;bottom:15px}.market-top{display:block}.market-top .section-lead{margin-top:13px}
      .deal-feature{min-height:360px}.deal-feature h2{font-size:26px}.scene-cards{gap:12px}.scene-card{padding:18px;min-height:200px}.scene-card:nth-child(2),.scene-card:nth-child(3){margin-top:0}
      .case-grid{grid-template-columns:1fr}.case-main{padding:28px}.case-main blockquote{font-size:20px}.faq-layout{gap:25px}.cta-box{padding:39px 28px}.footer-grid{grid-template-columns:1fr;gap:28px}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}.brand{font-size:21px}.inner-hero h1{font-size:40px}.hero-card{left:18px;width:calc(100% - 36px);padding:20px}
      .scene-cards{grid-template-columns:1fr}.method-grid{grid-template-columns:1fr}.method-item{min-height:auto}.compare-head,.compare-row{grid-template-columns:1.1fr .8fr .8fr}.compare-head div,.compare-row div{padding:13px 9px;font-size:12px}.compare-row strong{font-size:13px}
      .deal-mini{padding:18px;grid-template-columns:44px 1fr}.deal-code{height:44px;width:44px}.cta-box{border-radius:24px}.section-title{font-size:31px}
    }

/* roulang page: category6 */
:root{
      --ink:#101d32;--muted:#66758a;--paper:#f5f8fc;--white:#fff;--line:#dfe7f1;
      --brand:#2457f5;--brand2:#6d4df5;--cyan:#24c7c1;--orange:#ff9f43;
      --deep:#101a31;--soft:#edf3ff;--radius:24px;--shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08)
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none} img{max-width:100%;display:block} button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:88px 0}.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 17px}
    .section-lead{max-width:710px;color:var(--muted);font-size:17px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.8)}
    .navbar{min-height:78px}.brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta,.btn-main,.btn-ghost{border:0;border-radius:14px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;font-size:14px}.header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;padding:13px 22px;box-shadow:0 12px 24px rgba(28,56,162,.3)}
    .btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}
    .btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.08);padding:13px 22px}
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}
    .hero{min-height:620px;display:flex;align-items:center;position:relative;color:#fff;background:linear-gradient(90deg,rgba(9,19,42,.94),rgba(17,35,74,.55)),url("/assets/images/backpic/back-3.webp") center/cover no-repeat}
    .hero-content{position:relative;z-index:2;padding:85px 0}.hero .eyebrow{color:#70e6df}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em;max-width:760px;margin:0 0 22px;font-weight:950}
    .hero-copy{font-size:19px;color:#dce6f7;max-width:670px;margin-bottom:30px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .hero-panel{position:absolute;right:6%;bottom:45px;width:365px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(18px);border-radius:26px;padding:24px;z-index:2}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:17px}.live{background:#ff706d;border-radius:20px;padding:3px 10px;font-size:12px;font-weight:800}
    .countdown{display:flex;gap:10px;margin:20px 0}.countdown b{font-size:27px;line-height:1}.countdown span{display:block;color:#c5d1e5;font-size:11px;margin-top:5px}
    .panel-match{padding:15px 0;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;font-weight:800}
    .progress-wrap{background:#fff;border-bottom:1px solid var(--line)}.steps{display:flex;justify-content:space-between;gap:12px;padding:20px 0}
    .step{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px;font-weight:800}.step i{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#e6edfb;color:var(--brand);font-style:normal}.step.active{color:var(--brand)}.step.active i{background:var(--brand);color:#fff}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.visual-card{position:relative}.visual-card img{height:430px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .image-label{position:absolute;left:20px;bottom:20px;background:rgba(16,29,50,.86);color:#fff;border-radius:14px;padding:10px 15px;font-size:13px}
    .check-list{list-style:none;padding:0;margin:25px 0}.check-list li{display:flex;gap:12px;margin:14px 0;color:#425269}.check-list li:before{content:"✓";width:24px;height:24px;flex:none;display:grid;place-items:center;background:#dff9f2;color:#129d83;border-radius:50%;font-weight:900}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:23px;transition:.25s}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm);border-color:#b8c9fa}
    .topic-icon{font-size:28px;margin-bottom:12px}.topic-card h3{font-size:19px;margin:0 0 7px}.topic-card p{font-size:14px;color:var(--muted);margin:0 0 14px}.topic-card a{color:var(--brand);font-size:13px;font-weight:850}
    .dark-band{background:var(--deep);color:#fff}.dark-band .section-lead{color:#bfcbe1}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:35px}.metric{padding:22px;border:1px solid rgba(255,255,255,.15);border-radius:20px;background:rgba(255,255,255,.06)}.metric b{font-size:34px;display:block;color:#70e6df}.metric span{color:#bfcbe1;font-size:13px}
    .story-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:18px;margin-top:36px}.story-main,.story-side{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden}.story-main img{height:260px;width:100%;object-fit:cover}.story-main div,.story-side div{padding:22px}.story-side{display:flex;flex-direction:column;justify-content:center}.story-side article{padding:15px 0;border-bottom:1px solid var(--line)}.story-side article:last-child{border:0}.date{font-size:12px;color:var(--brand);font-weight:800}.story h3{font-size:23px;margin:8px 0}.story p{color:var(--muted);font-size:14px;margin:0}
    .table-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;margin-top:35px}.table-row{display:grid;grid-template-columns:1.3fr .8fr .8fr .8fr;padding:17px 22px;border-bottom:1px solid var(--line);font-size:14px}.table-row:last-child{border:0}.table-row.head{background:#edf3ff;color:var(--brand);font-weight:850}.table-row strong{font-size:16px}
    .quote{font-size:24px;line-height:1.55;font-weight:800;max-width:790px;margin:0}.quote-mark{color:var(--cyan);font-size:65px;line-height:.4;vertical-align:-20px;margin-right:8px}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:35px}.accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px}.accordion-button{font-weight:800;color:var(--ink);background:#fff!important;box-shadow:none!important}.accordion-button:not(.collapsed){color:var(--brand)}.accordion-body{color:var(--muted);font-size:14px;background:#fff}
    .cta{background:linear-gradient(135deg,#2457f5,#6d4df5);border-radius:28px;color:#fff;padding:48px 52px;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:34px;margin:0 0 8px}.cta p{color:#dbe5ff;margin:0}
    footer{padding:34px 0 42px;border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:25px;align-items:center}.avatar{width:42px;height:42px;border-radius:50%;background:#eaf0ff;color:var(--brand);display:inline-grid;place-items:center;font-weight:900;margin-right:10px}.footer-person{display:flex;align-items:center}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a:hover{color:var(--brand)}
    @media(max-width:1024px){.hero-panel{right:3%;width:320px}.hero h1{max-width:620px}.topic-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.hero{min-height:700px}.hero-panel{position:relative;right:auto;bottom:auto;margin:0 22px 45px;width:auto}.hero-content{padding:70px 0 28px}.hero .container{width:100%}.split,.story-grid{grid-template-columns:1fr;gap:30px}.metric-grid{grid-template-columns:repeat(2,1fr)}.faq-grid{grid-template-columns:1fr}.cta{display:block;padding:35px 28px}.cta .btn-main{margin-top:22px}.steps{overflow-x:auto;justify-content:flex-start}.step{min-width:145px}}
    @media(max-width:520px){.section{padding:65px 0}.topic-grid{grid-template-columns:1fr}.hero h1{font-size:43px}.hero-copy{font-size:16px}.metric-grid{grid-template-columns:1fr 1fr}.table-row{grid-template-columns:1.3fr .7fr .7fr .7fr;padding:14px 10px;font-size:12px}.table-row strong{font-size:14px}.footer-inner{display:block}.footer-links{margin-top:20px}}

/* roulang page: category5 */
:root{
      --ink:#101d32;
      --muted:#66758a;
      --paper:#f5f8fc;
      --white:#fff;
      --line:#dfe7f1;
      --brand:#2457f5;
      --brand2:#6d4df5;
      --cyan:#24c7c1;
      --orange:#ff9f43;
      --deep:#101a31;
      --soft:#edf3ff;
      --radius:24px;
      --shadow:0 18px 50px rgba(26,49,93,.11);
      --shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:88px 0}
    .eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 18px}
    .section-lead{max-width:730px;color:var(--muted);font-size:17px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.8)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}
    .header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .navbar-toggler{background:#eaf0ff;border-radius:10px;padding:9px 12px}
    .navbar-toggler-icon{filter:hue-rotate(190deg)}
    .hero{position:relative;color:#fff;background:linear-gradient(90deg,rgba(9,19,42,.94),rgba(17,35,74,.68)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;overflow:hidden}
    .hero:after{content:"";position:absolute;inset:auto -15% -35% 35%;height:430px;background:radial-gradient(circle,rgba(36,199,193,.27),transparent 65%);pointer-events:none}
    .hero-inner{min-height:610px;display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;padding:74px 0 68px;position:relative;z-index:2}
    .hero .eyebrow{color:#70e6df}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.07em;max-width:690px;margin:0 0 22px;font-weight:950}
    .hero-copy{font-size:18px;color:#dce6f7;max-width:650px;margin-bottom:29px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn-main,.btn-ghost,.btn-dark{border:0;border-radius:14px;padding:13px 21px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}
    .btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;box-shadow:0 12px 24px rgba(28,56,162,.3)}
    .btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}
    .btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}
    .btn-dark{background:var(--deep);color:#fff}
    .btn-dark:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .hero-data{display:flex;gap:30px;flex-wrap:wrap;margin-top:38px;padding-top:23px;border-top:1px solid rgba(255,255,255,.22)}
    .hero-data b{display:block;font-size:26px;line-height:1.2}
    .hero-data span{display:block;color:#b9c8df;font-size:13px;margin-top:5px}
    .flash-card{background:#fff;color:var(--ink);border-radius:28px;padding:25px;box-shadow:0 25px 65px rgba(0,0,0,.25);position:relative}
    .flash-card:before{content:"限时精选";position:absolute;right:22px;top:21px;background:#fff1d9;color:#bd6d11;border-radius:20px;padding:5px 11px;font-size:11px;font-weight:900}
    .flash-card img{height:176px;width:100%;object-fit:cover;border-radius:18px;margin-bottom:20px}
    .flash-card h2{font-size:25px;line-height:1.3;margin:0 100px 8px 0;font-weight:900}
    .flash-card p{font-size:14px;color:var(--muted);margin:0 0 18px}
    .price-line{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);padding-top:17px;margin-top:15px}
    .price-line strong{font-size:30px;color:var(--brand);line-height:1}
    .price-line del{color:#9ba7b7;font-size:13px;margin-left:5px}
    .countdown{display:flex;gap:8px;margin:22px 0}
    .time-box{background:#f0f4ff;border-radius:12px;text-align:center;padding:8px 10px;min-width: fiftypx;min-width:50px;color:var(--brand);font-weight:900}
    .time-box small{display:block;color:var(--muted);font-size:10px;font-weight:600}
    .progress-nav{background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .step{position:relative;padding:20px 12px}
    .step:not(:last-child):after{content:"";position:absolute;right:0;top:35px;width:calc(100% - 64px);height:1px;background:#dbe3f1}
    .step a{display:flex;align-items:center;gap:11px;position:relative;z-index:1}
    .step-number{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#eaf0ff;color:var(--brand);font-weight:900;font-size:13px;flex:none}
    .step strong{font-size:14px}
    .step small{display:block;color:var(--muted);font-size:12px}
    .soft-panel{background:#eef3ff}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .rounded-image{width:100%;height:410px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .check-list{list-style:none;padding:0;margin:27px 0 0}
    .check-list li{display:flex;gap:12px;margin:15px 0;color:#425269}
    .check-list li:before{content:"✓";width:23px;height:23px;flex:none;display:grid;place-items:center;background:#dff9f2;color:#129d83;border-radius:50%;font-weight:900;font-size:13px;margin-top:4px}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:35px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm)}
    .metric b{display:block;font-size:30px;color:var(--brand);line-height:1.2}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
    .feature-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;margin-top:38px}
    .feature-card,.mini-card,.scenario-card,.case-card,.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
    .feature-card{padding:30px;min-height:290px;background:linear-gradient(135deg,#fff,#eef3ff)}
    .feature-card h3,.mini-card h3,.scenario-card h3,.case-card h3{font-size:23px;margin:10px 0 8px;font-weight:900}
    .feature-card p,.mini-card p,.scenario-card p,.case-card p{color:var(--muted);font-size:14px;margin:0}
    .icon-badge{width:47px;height:47px;border-radius:15px;background:#eaf0ff;color:var(--brand);display:grid;place-items:center;font-size:22px;font-weight:900}
    .mini-stack{display:grid;gap:18px}
    .mini-card{padding:23px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}
    .dark-band{background:var(--deep);color:#fff}
    .dark-band .section-lead{color:#bfcbe1}
    .tactic-board{margin-top:38px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:25px}
    .board-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}
    .live-badge{color:#7ef0dd;background:rgba(36,199,193,.13);border:1px solid rgba(36,199,193,.3);border-radius:20px;padding:6px 12px;font-size:12px;font-weight:800}
    .board-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .pitch{min-height:300px;border-radius:20px;background:linear-gradient(90deg,rgba(36,199,193,.24),rgba(36,87,245,.2)),url("/assets/images/coverpic/cover-9.webp") center/cover;position:relative;overflow:hidden}
    .pitch:after{content:"";position:absolute;inset:20px;border:1px solid rgba(255,255,255,.45);border-radius:12px}
    .dot{position:absolute;width:16px;height:16px;background:#fff;border:4px solid #57e5d2;border-radius:50%;z-index:2;box-shadow:0 0 0 7px rgba(87,229,210,.15)}
    .dot.one{left:24%;top:42%}.dot.two{left:47%;top:28%}.dot.three{left:67%;top:57%}.dot.four{left:78%;top:32%}
    .board-list{display:grid;gap:10px}
    .board-item{border:1px solid rgba(255,255,255,.13);border-radius:15px;padding:14px 16px;background:rgba(255,255,255,.06)}
    .board-item strong{display:block;font-size:15px}.board-item span{font-size:12px;color:#bfcbe1}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:37px}
    .scenario-card{padding:26px;display:flex;gap:17px}
    .scenario-num{font-size:35px;line-height:1;color:#c9d7ff;font-weight:950}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px}
    .process-item{position:relative;padding:23px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .process-item:not(:last-child):after{content:"→";position:absolute;right:-18px;top:43px;color:var(--brand);font-size:24px;font-weight:900;z-index:2}
    .process-item b{display:block;color:var(--brand);font-size:13px;margin-bottom:10px}
    .process-item h3{font-size:18px;margin:0 0 8px}.process-item p{font-size:13px;color:var(--muted);margin:0}
    .case-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px;margin-top:38px}
    .case-card{overflow:hidden}.case-card img{height:220px;width:100%;object-fit:cover}.case-body{padding:24px}
    .case-tag{display:inline-block;padding:5px 10px;border-radius:20px;background:#eaf0ff;color:var(--brand);font-size:11px;font-weight:900;margin-bottom:11px}
    .case-stats{display:flex;gap:25px;border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.case-stats b{font-size:23px;color:var(--brand);display:block}.case-stats span{font-size:12px;color:var(--muted)}
    .price-section{background:#eef3ff}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
    .price-card{padding:28px;position:relative}.price-card.featured{border:2px solid var(--brand);transform:translateY(-8px)}
    .recommend{position:absolute;right:20px;top:19px;background:#fff0d9;color:#ad6814;border-radius:20px;padding:5px 10px;font-size:11px;font-weight:900}
    .price-card h3{font-size:21px;margin:0 0 7px}.price-card p{font-size:13px;color:var(--muted);min-height:51px}
    .amount{font-size:34px;font-weight:950;color:var(--brand);margin:14px 0}.amount small{font-size:13px;color:var(--muted);font-weight:600}
    .price-card ul{list-style:none;padding:0;margin:20px 0;border-top:1px solid var(--line)}
    .price-card li{padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;color:#4a5b72}.price-card li:before{content:"✓";color:#19a58f;font-weight:900;margin-right:8px}
    .price-card .btn-main,.price-card .btn-dark{width:100%}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:45px;align-items:start}
    .accordion-item{border:1px solid var(--line)!important;border-radius:15px!important;margin-bottom:11px;overflow:hidden;background:#fff}
    .accordion-button{font-weight:800;color:var(--ink);background:#fff!important;box-shadow:none!important;padding:18px 20px}
    .accordion-button:not(.collapsed){color:var(--brand)}
    .accordion-body{font-size:14px;color:var(--muted);padding:0 20px 20px}
    .cta-box{border-radius:30px;padding:52px 55px;background:linear-gradient(115deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(28px,4vw,44px);line-height:1.2;margin:0 0 12px;font-weight:950}.cta-box p{color:#dce6ff;margin:0;max-width:670px}
    .cta-box .btn-ghost{white-space:nowrap}
    footer{background:#0c162a;color:#dbe5f6;padding:45px 0 24px}
    .footer-top{display:flex;align-items:center;justify-content:space-between;gap:25px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.13)}
    footer .avatar{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#4d72ff,#24c7c1);color:#fff;font-weight:900;margin-right:11px;vertical-align:middle}
    footer strong{color:#fff;font-size:15px}.footer-note{font-size:13px;color:#9eacc1}
    .footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#8f9db2}
    .footer-links{display:flex;gap:16px;flex-wrap:wrap}.footer-links a:hover{color:#fff}
    @media(max-width:991px){
      .hero-inner,.split,.feature-layout,.case-layout,.faq-grid{grid-template-columns:1fr}
      .hero-inner{padding-top:60px;padding-bottom:60px}
      .hero-side{max-width:520px}
      .hero h1{max-width:760px}.metric-grid{grid-template-columns:repeat(2,1fr)}
      .process{grid-template-columns:repeat(2,1fr)}.process-item:not(:last-child):after{display:none}
      .price-grid{grid-template-columns:1fr 1fr}.price-card.featured{transform:none}
      .hero-copy{max-width:760px}
    }
    @media(max-width:767px){
      .section{padding:65px 0}.steps{grid-template-columns:repeat(4,180px);overflow-x:auto;padding-bottom:4px}.progress-nav{overflow:hidden}
      .hero h1{font-size:46px}.hero-data{gap:20px}.hero-side{width:100%}
      .board-grid,.scenario-grid{grid-template-columns:1fr}.pitch{min-height:240px}
      .metric-grid,.price-grid,.process{grid-template-columns:1fr}
      .cta-box{padding:35px 27px;display:block}.cta-box .btn-ghost{margin-top:24px}
      .footer-top{display:block}.footer-note{margin-top:18px}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}.navbar{min-height:70px}
      .brand{font-size:20px}.brand-mark{width:32px;height:32px;border-radius:11px}
      .hero h1{font-size:39px}.hero-copy{font-size:16px}
      .hero-actions a{width:100%}.flash-card{padding:19px;border-radius:22px}.flash-card h2{font-size:21px}
      .split{gap:28px}.rounded-image{height:285px}.feature-card{padding:23px}
      .case-stats{gap:15px}.section-title{font-size:32px}
    }

/* roulang page: category4 */
:root{
      --ink:#101d32;--muted:#66758a;--paper:#f5f8fc;--white:#fff;--line:#dfe7f1;
      --brand:#2457f5;--brand2:#6d4df5;--cyan:#24c7c1;--orange:#ff9f43;
      --deep:#101a31;--soft:#edf3ff;--radius:24px;
      --shadow:0 18px 50px rgba(26,49,93,.11);--shadow-sm:0 8px 22px rgba(26,49,93,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;line-height:1.8;overflow-x:hidden}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(36,87,245,.28);outline-offset:3px}
    .container{max-width:1180px;margin:auto;padding-left:22px;padding-right:22px}
    .section{padding:88px 0}
    .eyebrow{color:var(--brand);font-weight:800;letter-spacing:.13em;font-size:12px;text-transform:uppercase;margin-bottom:12px}
    .section-title{font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.2;letter-spacing:-.04em;margin:0 0 18px}
    .section-lead{max-width:720px;color:var(--muted);font-size:17px;margin:0}
    .site-header{position:sticky;top:0;z-index:1000;background:rgba(245,248,252,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(223,231,241,.85)}
    .navbar{min-height:78px}
    .brand{display:flex;align-items:center;gap:11px;font-size:23px;font-weight:950;letter-spacing:-.06em}
    .brand-mark{width:36px;height:36px;border-radius:13px;background:linear-gradient(135deg,var(--brand),var(--brand2));position:relative;box-shadow:0 8px 20px rgba(36,87,245,.27)}
    .brand-mark:after{content:"";position:absolute;width:13px;height:13px;border:3px solid #fff;border-radius:50%;right:6px;top:7px}
    .nav-link{font-size:14px;font-weight:700;color:#526177!important;padding:10px 13px!important;border-radius:12px;transition:.25s}
    .nav-link:hover,.nav-link.active{color:var(--brand)!important;background:#eaf0ff}
    .header-cta{background:var(--deep);color:#fff;padding:11px 18px;border-radius:13px;font-weight:800;font-size:14px;transition:.25s}
    .header-cta:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
    .hero-inner{min-height:550px;display:flex;align-items:center;position:relative}
    .inner-hero{color:#fff;background:linear-gradient(100deg,rgba(9,19,42,.94),rgba(17,35,74,.58)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;overflow:hidden}
    .inner-hero:after{content:"";position:absolute;right:-10%;bottom:-40%;width:520px;height:520px;background:radial-gradient(circle,rgba(36,199,193,.3),transparent 67%)}
    .hero-copybox{position:relative;z-index:2;max-width:740px;padding:72px 0}
    .inner-hero .eyebrow{color:#70e6df}
    .inner-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.08;letter-spacing:-.07em;font-weight:950;margin:0 0 22px}
    .hero-text{font-size:18px;color:#dce6f7;max-width:690px;margin-bottom:30px}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap}
    .btn-main,.btn-ghost{border:0;border-radius:14px;padding:13px 21px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;transition:.25s}
    .btn-main{background:linear-gradient(135deg,#4d72ff,#7855ef);color:#fff;box-shadow:0 12px 24px rgba(28,56,162,.3)}
    .btn-main:hover{color:#fff;transform:translateY(-3px);box-shadow:0 17px 28px rgba(28,56,162,.4)}
    .btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.08)}
    .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.18)}
    .hero-badge{position:absolute;right:5%;bottom:48px;z-index:2;width:285px;padding:23px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(17px);border-radius:25px}
    .hero-badge strong{display:block;font-size:35px;line-height:1.1}
    .hero-badge span{font-size:13px;color:#c9d5e8}
    .metric-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(--shadow-sm)}
    .metric{background:#fff;padding:25px 27px}
    .metric b{font-size:29px;line-height:1.1;display:block;color:var(--brand)}
    .metric span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .rounded-image{width:100%;height:410px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .feature-list{list-style:none;padding:0;margin:26px 0 0}
    .feature-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line);color:#425269}
    .feature-list li:before{content:"✓";width:24px;height:24px;flex:none;display:grid;place-items:center;border-radius:50%;background:#ddf8f0;color:#159b81;font-weight:900;margin-top:3px}
    .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:30px}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:38px}
    .feature-grid .panel:first-child{background:linear-gradient(140deg,#eef3ff,#fff)}
    .icon-box{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:#eaf0ff;color:var(--brand);font-size:22px;margin-bottom:18px}
    .panel h3{font-size:21px;margin:0 0 9px;font-weight:850}
    .panel p{color:var(--muted);font-size:14px;margin:0}
    .mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .mini-card{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fbfcff}
    .mini-card b{font-size:25px;display:block;color:var(--deep)}
    .mini-card span{font-size:12px;color:var(--muted)}
    .dark-band{background:var(--deep);color:#fff}
    .dark-band .section-lead{color:#bdc9dc}
    .scene-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;align-items:stretch;margin-top:38px}
    .scene-list{display:flex;flex-direction:column;gap:12px}
    .scene-item{padding:19px 21px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:17px;transition:.25s}
    .scene-item:hover,.scene-item.active{background:linear-gradient(135deg,rgba(77,114,255,.45),rgba(36,199,193,.18));border-color:rgba(255,255,255,.3);transform:translateX(4px)}
    .scene-item strong{display:block;font-size:17px}
    .scene-item span{font-size:13px;color:#c0cce0}
    .scene-detail{padding:34px;border-radius:26px;background:url("/assets/images/coverpic/cover-8.webp") center/cover;min-height:300px;display:flex;align-items:end;position:relative;overflow:hidden}
    .scene-detail:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(7,15,34,.9),rgba(7,15,34,.08))}
    .scene-detail-content{position:relative;z-index:1;max-width:520px}
    .scene-detail h3{font-size:30px;margin:0 0 8px}
    .scene-detail p{color:#d6e0ef;margin:0;font-size:14px}
    .step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px;position:relative}
    .step-row:before{content:"";position:absolute;top:28px;left:10%;right:10%;height:2px;background:#cbd8f5}
    .step-card{position:relative;z-index:1;text-align:center}
    .step-no{width:57px;height:57px;border-radius:19px;margin:0 auto 16px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:20px;font-weight:900;box-shadow:0 9px 20px rgba(36,87,245,.25)}
    .step-card h3{font-size:17px;margin:0 0 6px}
    .step-card p{font-size:13px;color:var(--muted);margin:0}
    .radar-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:38px}
    .trend-table{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}
    .trend-head,.trend-row{display:grid;grid-template-columns:1.4fr .8fr .8fr .7fr;align-items:center;gap:10px;padding:16px 21px}
    .trend-head{background:#f0f4ff;color:var(--brand);font-size:12px;font-weight:900}
    .trend-row{border-top:1px solid var(--line);font-size:14px}
    .trend-row small{display:block;color:var(--muted);font-size:11px}
    .rise{color:#14a27f;font-weight:900}.steady{color:#d48529;font-weight:900}
    .quote{background:linear-gradient(135deg,#eaf0ff,#f7f3ff);border-radius:24px;padding:30px;border:1px solid #dce5fb}
    .quote-mark{font-size:54px;color:var(--brand);line-height:.8;font-family:Georgia,serif}
    .quote p{font-size:19px;font-weight:750;line-height:1.65;margin:10px 0 22px}
    .quote small{color:var(--muted)}
    .faq-wrap{max-width:900px;margin:38px auto 0}
    .accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px;background:#fff}
    .accordion-button{font-weight:800;color:var(--ink);background:#fff;padding:20px 22px;box-shadow:none!important}
    .accordion-button:not(.collapsed){color:var(--brand);background:#f3f6ff}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 22px 21px}
    .cta{background:linear-gradient(125deg,#2457f5,#6d4df5);color:#fff;border-radius:30px;padding:55px 60px;position:relative;overflow:hidden}
    .cta:after{content:"";position:absolute;width:300px;height:300px;right:-70px;top:-100px;border:45px solid rgba(255,255,255,.1);border-radius:50%}
    .cta h2{font-size:clamp(28px,4vw,45px);font-weight:900;margin:0 0 12px;position:relative;z-index:1}
    .cta p{color:#dbe5ff;max-width:650px;position:relative;z-index:1}
    .cta .btn-main{background:#fff;color:var(--brand);position:relative;z-index:1}
    footer{margin-top:88px;background:#0d172b;color:#bdc9dc;padding:44px 0 25px}
    .footer-main{display:flex;justify-content:space-between;gap:30px;align-items:center;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
    .footer-profile{display:flex;align-items:center;gap:13px}
    .avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#4d72ff,#24c7c1);color:#fff;font-weight:900}
    footer strong{color:#fff}
    .footer-links{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}
    .footer-links a{transition:.2s}.footer-links a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:21px;font-size:12px;color:#8492a9}
    @media(max-width:992px){
      .hero-badge{right:3%;width:240px}.split,.feature-grid,.scene-wrap,.radar-grid{grid-template-columns:1fr;gap:28px}
      .step-row{grid-template-columns:repeat(2,1fr);gap:28px}.step-row:before{display:none}
      .metric-strip{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .navbar{min-height:70px}.navbar-collapse{padding:15px 0 8px}.nav-link{padding:9px 10px!important}
      .hero-inner{min-height:650px}.hero-copybox{padding:65px 0 145px}.hero-badge{left:22px;right:auto;bottom:28px;width:230px}
      .section{padding:65px 0}.rounded-image{height:310px}.cta{padding:38px 27px}
      .footer-main,.footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{padding-left:17px;padding-right:17px}.metric-strip{grid-template-columns:1fr 1fr}.metric{padding:18px 15px}.metric b{font-size:23px}
      .mini-grid{grid-template-columns:1fr}.trend-head,.trend-row{grid-template-columns:1.3fr .8fr .7fr;padding:13px 14px}.trend-head span:nth-child(3),.trend-row span:nth-child(3){display:none}
      .step-row{grid-template-columns:1fr}.hero-actions a{width:100%}.scene-detail{min-height:280px;padding:23px}
    }