/* roulang page: index */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --line:#e4e9f3;--soft:#edf2ff;--radius:24px;--shadow:0 18px 50px rgba(30,47,96,.11);
      --shadow2:0 8px 24px rgba(30,47,96,.08);--max:1200px;
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}a{color:inherit;text-decoration:none;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}.container{width:min(calc(100% - 40px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}.nav-shell{height:76px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}.brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}.nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}.nav-links a{padding:9px 13px;border-radius:11px;color:#68748e;font-size:14px}.nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}.nav-tools{display:flex;align-items:center;gap:12px}.status{font-size:12px;color:#4d7b66;display:flex;align-items:center;gap:6px}.status i{display:block;width:7px;height:7px;background:#32c888;border-radius:50%;box-shadow:0 0 0 4px #e5f8ef}.nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2)}.nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}.menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}.hero{position:relative;overflow:hidden;padding:82px 0 70px;background:linear-gradient(120deg,rgba(23,35,61,.94),rgba(45,62,139,.88)),url('/assets/images/backpic/back-1.webp') center/cover;color:#fff;clip-path:polygon(0 0,100% 0,100% 91%,96% 100%,4% 100%,0 91%)}.hero:after{content:"";position:absolute;width:440px;height:440px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-110px;top:-160px}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center;position:relative;z-index:1}.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}.eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}.hero h1{font-size:clamp(35px,5vw,64px);line-height:1.16;margin:18px 0 20px;letter-spacing:-.04em}.hero-copy{font-size:17px;max-width:650px;color:#dce5ff;margin-bottom:28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800}.button-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff}.button-light:hover,.button-ghost:hover{transform:translateY(-2px)}.hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:25px;box-shadow:0 22px 50px rgba(6,12,45,.24)}.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.17);padding-bottom:17px}.panel-title{font-weight:800}.panel-tag{background:#d8fbeb;color:#237450;padding:4px 9px;border-radius:8px;font-size:12px}.entry{display:flex;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14)}.entry:last-child{border-bottom:0}.entry-icon{width:37px;height:37px;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center;color:#9af2ed;font-weight:800}.entry small{display:block;color:#c3d0ee;font-size:12px}.entry strong{font-size:14px}.section{padding:88px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}.section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}.section-intro{color:var(--muted);max-width:620px;margin:10px 0 0}.section-kicker{color:var(--blue)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow2);transition:.28s ease}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}.card h3{font-size:19px;margin:16px 0 9px}.card p{color:var(--muted);margin:0}.icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e9efff,#f6eaff);color:var(--blue);font-weight:900;font-size:18px}.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;box-shadow:var(--shadow2)}.compare{width:100%;border-collapse:collapse;margin:0}.compare th,.compare td{padding:17px 19px;text-align:left;border-bottom:1px solid var(--line)}.compare th{background:#f5f7ff;color:#52607c;font-size:13px}.compare td{color:#52607c}.compare td:first-child{color:var(--ink);font-weight:700}.recommended{background:#f0f3ff!important;color:var(--blue)!important}.badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}.price-band{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:20px;align-items:stretch}.price-card{position:relative}.price-card.featured{border:2px solid var(--blue);background:linear-gradient(160deg,#fff,#f1f4ff)}.price-card.featured:before{content:"推荐选择";position:absolute;right:22px;top:-13px;background:var(--orange);color:#fff;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:800}.price{font-size:30px;font-weight:900;color:var(--blue);margin:12px 0}.price em{font-size:13px;color:var(--muted);font-style:normal;font-weight:400}.check-list{padding:0;margin:18px 0;list-style:none;color:var(--muted)}.check-list li{padding:6px 0}.check-list li:before{content:"✓";color:#25ad83;font-weight:900;margin-right:8px}.story{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.story img{height:370px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}.story h2{font-size:34px;line-height:1.3}.story p{color:var(--muted)}.number-row{display:flex;gap:25px;margin-top:25px}.number strong{display:block;color:var(--blue);font-size:29px}.number span{font-size:12px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{padding:25px;border-top:2px solid #dbe2f5;position:relative}.step:before{content:"";width:15px;height:15px;border-radius:50%;background:var(--blue);position:absolute;top:-9px;left:25px;box-shadow:0 0 0 5px #e8edff}.step b{color:var(--blue);font-size:13px}.step h3{font-size:17px;margin:10px 0}.step p{color:var(--muted);font-size:14px}.visual-flow{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.vertical-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.vertical-card{min-height:285px;border-radius:20px;overflow:hidden;position:relative;background:#202b55;color:#fff;background-size:cover;background-position:center}.vertical-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(10,18,48,.9))}.vertical-card div{position:absolute;bottom:20px;left:18px;right:18px;z-index:1}.vertical-card h3{font-size:17px;margin:0 0 7px}.vertical-card a{font-size:12px;color:#a9f4ed}.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:24px}.news-list{background:#fff;border:1px solid var(--line);border-radius:24px;padding:8px 25px}.news-item{display:grid;grid-template-columns:86px 1fr auto;gap:17px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.date{font-size:12px;color:var(--blue);font-weight:800}.news-item h3{font-size:17px;margin:0 0 4px}.news-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}.read{white-space:nowrap;color:var(--blue);font-size:13px;font-weight:800}.news-feature{border-radius:24px;padding:28px;color:#fff;background:linear-gradient(145deg,#3158d8,#7046d5)}.news-feature h3{font-size:25px;line-height:1.35}.news-feature p{color:#dce5ff}.news-feature img{height:150px;width:100%;object-fit:cover;border-radius:16px;margin-bottom:20px}.quote{background:#17233d;color:#fff;border-radius:26px;padding:40px;position:relative}.quote p{font-size:22px;line-height:1.65;margin:0 0 20px;max-width:820px}.quote small{color:#aebbe0}.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}.faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}.faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);font-size:14px;margin:13px 0 0}.cta{margin:0 auto 88px;border-radius:28px;padding:48px 55px;background:linear-gradient(110deg,#edf2ff,#f7efff);display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:31px;margin:0 0 8px}.cta p{color:var(--muted);margin:0}.footer{background:#111a31;color:#dce5ff;padding:56px 0 25px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer .brand{color:#fff}.footer p,.footer a{color:#96a5c9;font-size:13px}.footer a:hover{color:#fff}.footer h4{color:#fff;margin:0 0 14px;font-size:14px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:7px 0}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#8492b4;font-size:12px;flex-wrap:wrap}.notice{border-left:3px solid var(--cyan);padding:11px 15px;background:#f0fcfc;color:#54717c;font-size:13px}.reveal{animation:up .7s ease both}@keyframes up{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}:focus-visible{outline:3px solid #8be3e5;outline-offset:3px}
    @media(max-width:1024px){.hero-grid,.story,.visual-flow{gap:28px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.3fr repeat(2,1fr)}}
    @media(max-width:768px){.nav-shell{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:20px;right:20px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 15px}.status{display:none}.hero{padding:62px 0 55px}.hero-grid,.story,.visual-flow,.news-layout{grid-template-columns:1fr}.hero h1{font-size:39px}.section{padding:65px 0}.section-head{display:block}.grid-3,.vertical-cards,.faq{grid-template-columns:1fr}.price-band{grid-template-columns:1fr}.steps{grid-template-columns:repeat(2,1fr)}.news-item{grid-template-columns:70px 1fr}.read{grid-column:2}.cta{display:block;padding:35px 27px}.cta .button-main{display:inline-block;margin-top:20px}.footer-grid{grid-template-columns:1fr 1fr}.story img{height:280px}}
    @media(max-width:520px){.container{width:min(calc(100% - 28px),var(--max))}.brand{font-size:17px}.nav-button{padding:9px 12px;font-size:12px}.hero h1{font-size:33px}.hero-copy{font-size:15px}.grid-4,.steps{grid-template-columns:1fr}.card{padding:22px}.compare-wrap{overflow-x:auto}.compare{min-width:620px}.news-list{padding:5px 16px}.news-item{gap:10px}.quote{padding:27px}.quote p{font-size:18px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}

/* roulang page: category2 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --line:#e4e9f3;--soft:#edf2ff;--radius:24px;--shadow:0 18px 50px rgba(30,47,96,.11);
      --shadow2:0 8px 24px rgba(30,47,96,.08);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:11px;color:#68748e;font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status-dot{width:9px;height:9px;background:#2cc38a;border-radius:50%;box-shadow:0 0 0 5px rgba(44,195,138,.13)}
    .nav-status{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:8px;white-space:nowrap}
    .nav-button,.button-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2)}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:8px 12px;font-weight:800}
    .hero{position:relative;overflow:hidden;padding:78px 0 85px;background:linear-gradient(105deg,rgba(14,24,52,.96),rgba(37,54,119,.89)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-190px;border:1px solid rgba(255,255,255,.17);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.035),0 0 0 110px rgba(255,255,255,.025)}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(38px,5vw,62px);line-height:1.16;margin:17px 0 20px;letter-spacing:-.045em}
    .hero-copy{font-size:17px;max-width:635px;color:#dce5ff;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-light{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800;box-shadow:0 10px 26px rgba(0,0,0,.16)}
    .button-ghost{display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff;font-weight:700}
    .button-light:hover,.button-ghost:hover{transform:translateY(-2px)}
    .hero-poster{position:relative;min-height:405px;border-radius:29px;overflow:hidden;border:1px solid rgba(255,255,255,.25);box-shadow:0 28px 60px rgba(5,10,35,.38);background:linear-gradient(180deg,rgba(20,29,69,.12),rgba(10,17,43,.88)),url('/assets/images/coverpic/cover-2.webp') center/cover}
    .hero-poster:before{content:"";position:absolute;inset:18px;border:1px solid rgba(255,255,255,.2);border-radius:20px}
    .heat-badge{position:absolute;top:22px;right:22px;background:#ffb15f;color:#4d2806;border-radius:999px;padding:7px 12px;font-weight:900;font-size:12px}
    .poster-content{position:absolute;bottom:28px;left:29px;right:29px}
    .poster-content span{display:inline-block;background:rgba(156,240,233,.2);border:1px solid rgba(156,240,233,.38);color:#aaf5ef;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:800}
    .poster-content h2{margin:12px 0 6px;font-size:27px;line-height:1.3}
    .poster-content p{margin:0;color:#dae3ff;font-size:14px}
    .section{padding:84px 0}
    .section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:620px;margin:10px 0 0}
    .section-kicker{color:var(--blue)}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:4px 9px;border-radius:20px;font-weight:800}
    .data-badge{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:13px 16px;box-shadow:var(--shadow2)}
    .data-badge strong{font-size:22px;line-height:1;color:var(--blue)}
    .data-badge span{font-size:12px;line-height:1.5;color:var(--muted)}
    .signal-strip{margin-top:-38px;position:relative;z-index:3}
    .signal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
    .signal-card{display:flex;align-items:center;gap:15px;background:rgba(255,255,255,.97);border:1px solid var(--line);padding:17px 19px;border-radius:18px;box-shadow:var(--shadow2)}
    .signal-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:var(--soft);color:var(--blue);font-weight:900;font-size:19px}
    .signal-card strong{display:block;font-size:14px}
    .signal-card span{display:block;font-size:12px;color:var(--muted);line-height:1.55}
    .narrative{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .narrative-visual{position:relative}
    .narrative-visual img{width:100%;height:460px;object-fit:cover;border-radius:29px;box-shadow:var(--shadow)}
    .visual-note{position:absolute;right:-18px;bottom:28px;width:220px;padding:18px;background:#fff;border-radius:17px;box-shadow:var(--shadow);border:1px solid var(--line)}
    .visual-note strong{display:block;color:var(--blue);font-size:24px;line-height:1.1;margin-bottom:5px}
    .visual-note span{color:var(--muted);font-size:12px;line-height:1.6}
    .narrative h2{font-size:clamp(28px,3.4vw,42px);line-height:1.3;margin:12px 0 18px;letter-spacing:-.03em}
    .narrative p{color:var(--muted);margin:0 0 16px}
    .check-list{padding:0;margin:21px 0 25px;list-style:none;color:var(--muted)}
    .check-list li{padding:8px 0;border-bottom:1px solid var(--line)}
    .check-list li:last-child{border-bottom:0}
    .check-list li:before{content:"✓";display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e2faf0;color:#1b9b6c;font-weight:900;margin-right:10px;font-size:12px}
    .service-path{background:linear-gradient(120deg,#172a60,#513bb3);color:#fff;position:relative;overflow:hidden}
    .service-path:after{content:"";position:absolute;width:600px;height:600px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-270px;bottom:-390px}
    .service-path .section-kicker{color:#9bece8}
    .service-path .section-intro{color:#d4ddfb}
    .path-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .path-item{min-height:240px;padding:25px 22px;border-radius:22px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);transition:.25s ease}
    .path-item:hover{transform:translateY(-5px);background:rgba(255,255,255,.15)}
    .path-no{display:block;color:#9bece8;font-size:13px;font-weight:900;letter-spacing:.1em}
    .path-item h3{font-size:20px;margin:46px 0 9px}
    .path-item p{color:#d7e0ff;margin:0;font-size:14px;line-height:1.75}
    .feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
    .feature-large{padding:35px;min-height:370px;border-radius:28px;background:linear-gradient(135deg,#e9efff,#fff);border:1px solid #dce4ff;position:relative;overflow:hidden}
    .feature-large:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:linear-gradient(135deg,rgba(49,88,216,.17),rgba(34,185,201,.12));right:-75px;bottom:-100px}
    .feature-large h3{font-size:28px;line-height:1.35;max-width:440px;margin:14px 0}
    .feature-large p{color:var(--muted);max-width:480px;position:relative;z-index:1}
    .feature-stat{position:relative;z-index:1;display:flex;gap:25px;margin-top:32px}
    .feature-stat strong{display:block;font-size:28px;color:var(--blue);line-height:1.1}
    .feature-stat span{font-size:12px;color:var(--muted)}
    .feature-stack{display:grid;gap:20px}
    .mini-feature{display:flex;gap:18px;align-items:flex-start;padding:24px;border-radius:23px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow2);transition:.25s ease}
    .mini-feature:hover{transform:translateX(5px);box-shadow:var(--shadow)}
    .mini-icon{flex:0 0 45px;width:45px;height:45px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:900}
    .mini-feature h3{margin:0 0 5px;font-size:18px}
    .mini-feature p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .scene-list{border:1px solid var(--line);background:#fff;border-radius:27px;padding:12px 28px;box-shadow:var(--shadow2)}
    .scene-item{display:grid;grid-template-columns:55px 1fr auto;align-items:center;gap:16px;padding:23px 0;border-bottom:1px solid var(--line)}
    .scene-item:last-child{border-bottom:0}
    .scene-num{width:43px;height:43px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-weight:900}
    .scene-item h3{margin:0 0 3px;font-size:17px}
    .scene-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}
    .scene-arrow{color:var(--blue);font-size:23px}
    .scene-aside{padding:31px;background:#263d92;color:#fff;border-radius:27px;position:relative;overflow:hidden}
    .scene-aside:after{content:"";position:absolute;width:230px;height:230px;right:-110px;bottom:-110px;border-radius:50%;border:1px solid rgba(255,255,255,.25)}
    .scene-aside h3{font-size:27px;line-height:1.35;margin:15px 0}
    .scene-aside p{color:#dbe4ff;position:relative;z-index:1}
    .aside-points{position:relative;z-index:1;list-style:none;padding:0;margin:25px 0}
    .aside-points li{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.16);color:#edf1ff}
    .aside-points li:before{content:"•";color:#8deae5;margin-right:9px;font-weight:900}
    .trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}
    .trust-card{background:#fff;border:1px solid var(--line);padding:27px;border-radius:24px;box-shadow:var(--shadow2)}
    .trust-card:hover{border-color:#becaf5;box-shadow:var(--shadow)}
    .trust-card .quote{font-size:35px;color:#98aaf0;line-height:1}
    .trust-card p{color:var(--muted);margin:8px 0 22px}
    .trust-person{display:flex;align-items:center;gap:11px}
    .avatar{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#6bcdd2,#4b57d4);color:#fff;font-weight:900}
    .trust-person strong{display:block;font-size:14px}
    .trust-person span{display:block;color:var(--muted);font-size:12px}
    .notice-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:35px;border-radius:28px;padding:35px;background:#fff7ef;border:1px solid #ffe0c7}
    .notice-panel h2{font-size:30px;line-height:1.35;margin:8px 0}
    .notice-panel p{margin:0;color:#805d42}
    .notice-list{margin:0;padding:0;list-style:none}
    .notice-list li{position:relative;padding:12px 0 12px 28px;color:#765a46;border-bottom:1px solid #f4dac4}
    .notice-list li:last-child{border-bottom:0}
    .notice-list li:before{content:"!";position:absolute;left:0;top:12px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:#ffb476;color:#fff;font-size:12px;font-weight:900}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px;box-shadow:0 4px 14px rgba(30,47,96,.04)}
    .faq details[open]{border-color:#cbd6fb;box-shadow:var(--shadow2)}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:22px;position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:21px;line-height:1}
    .faq details[open] summary:after{content:"−"}
    .faq p{color:var(--muted);margin:13px 0 0;font-size:14px}
    .cta{padding:0 0 88px}
    .cta-box{position:relative;overflow:hidden;border-radius:30px;padding:55px;display:flex;justify-content:space-between;align-items:center;gap:30px;color:#fff;background:linear-gradient(105deg,#2749bf,#7144d6)}
    .cta-box:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-90px;top:-190px;border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 50px rgba(255,255,255,.04)}
    .cta-box h2{position:relative;font-size:clamp(27px,3vw,39px);line-height:1.25;margin:0 0 10px}
    .cta-box p{position:relative;color:#dce5ff;margin:0;max-width:620px}
    .cta-box .button-light{position:relative;white-space:nowrap}
    .footer{background:#111d38;color:#d6def0;padding:60px 0 20px}
    .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}
    .footer .brand{color:#fff}
    .footer p{color:#aebbd7;max-width:300px;font-size:14px;margin-top:16px}
    .footer h4{font-size:14px;color:#fff;margin:5px 0 14px}
    .footer ul{list-style:none;margin:0;padding:0}
    .footer li{margin:9px 0}
    .footer li a{font-size:13px;color:#aebbd7}
    .footer li a:hover,.copyright a:hover{color:#9bece8}
    .copyright{padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:15px;color:#94a2c1;font-size:12px}
    .copyright a{color:#b9c7e9}
    :focus-visible{outline:3px solid rgba(34,185,201,.5);outline-offset:3px}
    @media(max-width:1120px){
      .nav-links{gap:0;margin-left:0}
      .nav-links a{padding:8px 9px;font-size:13px}
      .nav-status{display:none}
      .hero-grid,.narrative{gap:35px}
      .path-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:860px){
      .nav-shell{height:70px;gap:14px}
      .menu-toggle{display:block;margin-left:auto}
      .nav-tools .nav-button{display:none}
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow);margin:0}
      .nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}
      .nav-links a{padding:11px 12px}
      .hero{padding:60px 0 72px}
      .hero-grid,.narrative,.feature-grid,.scene-grid,.notice-panel{grid-template-columns:1fr}
      .hero-poster{min-height:330px}
      .signal-grid,.trust-grid{grid-template-columns:1fr}
      .narrative-visual img{height:340px}
      .visual-note{right:16px}
      .footer-grid{grid-template-columns:1.6fr 1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
    }
    @media(max-width:580px){
      .container{width:min(calc(100% - 28px),var(--max))}
      .brand{font-size:18px}
      .brand-mark{width:33px;height:33px}
      .nav-links.open{grid-template-columns:1fr}
      .hero h1{font-size:38px}
      .hero-copy{font-size:15px}
      .hero-actions,.cta-box{align-items:stretch;flex-direction:column}
      .button-light,.button-ghost,.button-main{width:100%}
      .hero-poster{min-height:290px}
      .poster-content{left:21px;right:21px;bottom:22px}
      .poster-content h2{font-size:23px}
      .section{padding:62px 0}
      .section-head{display:block;margin-bottom:25px}
      .signal-strip{margin-top:-28px}
      .signal-card{padding:14px}
      .path-grid,.faq{grid-template-columns:1fr}
      .path-item{min-height:190px}
      .feature-large{padding:26px}
      .feature-stat{gap:16px}
      .scene-list{padding:8px 19px}
      .scene-item{grid-template-columns:45px 1fr;gap:11px}
      .scene-arrow{display:none}
      .trust-grid{gap:14px}
      .cta{padding-bottom:62px}
      .cta-box{padding:34px 25px}
      .footer{padding-top:45px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin:8px 0}
    }

/* roulang page: category3 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --green:#24aa80;--line:#e4e9f3;--soft:#edf2ff;--radius:24px;
      --shadow:0 18px 50px rgba(30,47,96,.11);--shadow2:0 8px 24px rgba(30,47,96,.08);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:11px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status{font-size:12px;color:var(--green);white-space:nowrap}
    .status i{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:5px;box-shadow:0 0 0 4px #d9f5ea}
    .nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2)}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}
    .hero{position:relative;overflow:hidden;padding:76px 0 68px;background:linear-gradient(120deg,rgba(23,35,61,.95),rgba(45,62,139,.88)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-110px;top:-180px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(36px,5vw,62px);line-height:1.16;margin:17px 0 18px;letter-spacing:-.04em}
    .hero-copy{font-size:17px;max-width:650px;color:#dce5ff;margin:0 0 28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800}
    .button-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff}
    .button-light:hover,.button-ghost:hover{transform:translateY(-2px)}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:25px;box-shadow:0 22px 50px rgba(6,12,45,.24)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:16px;margin-bottom:18px}
    .panel-title{font-weight:800}.panel-tag{background:#d8fbeb;color:#237450;padding:4px 9px;border-radius:8px;font-size:12px}
    .security-line{display:flex;gap:13px;align-items:flex-start;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.15)}
    .security-line:last-child{border-bottom:0}.security-icon{width:30px;height:30px;border-radius:10px;background:rgba(255,255,255,.16);display:grid;place-items:center}
    .security-line strong{display:block}.security-line span{font-size:12px;color:#cbd8ff}
    .section{padding:82px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:630px;margin:10px 0 0}
    .section-kicker{color:var(--blue)}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .split.reverse{grid-template-columns:1.1fr .9fr}
    .story img{height:365px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .story h2{font-size:34px;line-height:1.3;margin:10px 0 16px}.story p{color:var(--muted)}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow2);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card h3{font-size:19px;margin:13px 0 8px}.card p{color:var(--muted);margin:0}
    .icon-box{width:44px;height:44px;border-radius:14px;background:var(--soft);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:800}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}
    .metric-band{background:linear-gradient(120deg,#eef3ff,#fdfbff);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:22px 18px;border-right:1px solid var(--line)}.metric:last-child{border:0}
    .metric strong{display:block;font-size:30px;color:var(--blue);line-height:1.2}.metric span{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--shadow2)}
    .step{padding:27px 23px;position:relative;border-right:1px solid var(--line)}.step:last-child{border:0}
    .step-num{color:var(--blue);font-weight:900;font-size:13px;letter-spacing:.08em}.step h3{font-size:18px;margin:12px 0 7px}.step p{color:var(--muted);font-size:14px;margin:0}
    .check-list{list-style:none;padding:0;margin:20px 0}.check-list li{padding:8px 0;color:var(--muted);border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:9px}
    .notice{padding:22px 25px;border-left:4px solid var(--orange);background:#fff8f0;border-radius:0 16px 16px 0;color:#745338}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}.faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);margin:13px 0 0}
    .cta{padding:62px 0;background:linear-gradient(120deg,#3158d8,#7046d5);color:#fff}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:34px;line-height:1.3;margin:8px 0}.cta p{color:#dce5ff;max-width:650px}
    .footer{background:#121b32;color:#c5cee1;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{color:#8995af;max-width:280px}.footer h4{color:#fff;margin:4px 0 13px}.footer ul{padding:0;margin:0;list-style:none}.footer li{margin:7px 0}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8995af}
    :focus-visible{outline:3px solid rgba(34,185,201,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0;margin-left:5px}.nav-links a{padding:8px 8px}.hero-grid,.split,.split.reverse{gap:32px}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-shell{height:68px}.menu-toggle{display:block}.nav-tools{margin-left:auto}.status{display:none}.nav-links{display:none;position:absolute;left:20px;right:20px;top:68px;margin:0;padding:12px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.nav-links.open{display:flex;flex-direction:column;align-items:stretch}.nav-links a{padding:11px 13px}.hero{padding:58px 0}.hero-grid,.split,.split.reverse{grid-template-columns:1fr}.hero-panel{order:2}.section{padding:62px 0}.section-head{display:block}.grid-3,.faq{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.metric-band .grid-4{grid-template-columns:repeat(2,1fr)}.metric{border-bottom:1px solid var(--line)}.cta-box{display:block}.cta .button-light{margin-top:12px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.container{width:min(calc(100% - 28px),var(--max))}.nav-button{padding:9px 12px;font-size:13px}.hero h1{font-size:37px}.hero-copy{font-size:15px}.grid-4,.metric-band .grid-4{grid-template-columns:1fr 1fr}.metric strong{font-size:25px}.story img{height:250px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category1 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --line:#e4e9f3;--soft:#edf2ff;--green:#25ad83;--radius:24px;
      --shadow:0 18px 50px rgba(30,47,96,.11);--shadow2:0 8px 24px rgba(30,47,96,.08);
      --max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--blue)}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button:focus,input:focus,a:focus,summary:focus{outline:3px solid rgba(34,185,201,.35);outline-offset:3px}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:11px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
    .status i{width:8px;height:8px;border-radius:50%;background:#32c48d;box-shadow:0 0 0 4px #dcf8ec}
    .nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2);display:inline-block}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3);color:#fff}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}
    .sub-hero{position:relative;overflow:hidden;padding:72px 0 78px;color:#fff;background:linear-gradient(120deg,rgba(23,35,61,.96),rgba(49,70,156,.88)),url('/assets/images/backpic/back-2.webp') center/cover}
    .sub-hero:before{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-90px;top:-170px}
    .sub-hero-content{position:relative;z-index:1;text-align:center;max-width:850px;margin:auto}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .sub-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.18;letter-spacing:-.04em;margin:17px 0 16px}
    .sub-hero p{color:#dce5ff;font-size:17px;margin:0 auto 28px;max-width:730px}
    .search-box{display:flex;max-width:650px;margin:0 auto 20px;background:#fff;border-radius:15px;padding:6px;box-shadow:0 18px 34px rgba(7,15,56,.25)}
    .search-box input{border:0;flex:1;min-width:0;padding:12px 16px;color:var(--ink);background:transparent}
    .search-box button{border:0;border-radius:11px;background:var(--orange);color:#fff;font-weight:800;padding:0 23px;cursor:pointer}
    .search-box button:hover{background:#f18a43}
    .quick-links{display:flex;justify-content:center;flex-wrap:wrap;gap:9px}
    .quick-links a{font-size:13px;color:#e2e8ff;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:5px 12px}
    .quick-links a:hover{background:#fff;color:var(--blue)}
    .section{padding:78px 0}
    .section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:630px;margin:10px 0 0}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow2);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}
    .card h3{font-size:19px;margin:16px 0 9px}
    .card p{color:var(--muted);margin:0}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 9px;border-radius:20px;font-weight:800}
    .icon-box{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#e8efff,#f1eaff);color:var(--blue);font-weight:900;font-size:20px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
    .story img{height:370px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .story h2{font-size:clamp(28px,3.5vw,43px);line-height:1.25;margin:12px 0 17px}
    .story p{color:var(--muted)}
    .check-list{padding:0;margin:20px 0;list-style:none;color:var(--muted)}
    .check-list li{padding:6px 0}
    .check-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:9px}
    .metric-band{background:linear-gradient(135deg,#3158d8,#6a46da);color:#fff;border-radius:28px;padding:35px}
    .metric-band .grid-4{gap:10px}
    .metric{text-align:center;border-right:1px solid rgba(255,255,255,.22)}
    .metric:last-child{border:0}
    .metric strong{display:block;font-size:31px;line-height:1.2}
    .metric span{color:#dce5ff;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{position:relative;padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .step-no{font-size:12px;font-weight:900;color:var(--blue);background:var(--soft);border-radius:10px;padding:5px 9px}
    .step h3{font-size:18px;margin:18px 0 8px}
    .step p{color:var(--muted);margin:0;font-size:14px}
    .feature-panel{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .feature-image{min-height:330px;border-radius:26px;background:linear-gradient(180deg,rgba(23,35,61,.05),rgba(23,35,61,.8)),url('/assets/images/coverpic/cover-2.webp') center/cover;color:#fff;padding:28px;display:flex;align-items:end}
    .feature-image h3{font-size:26px;line-height:1.3;margin:0}
    .notice{background:#f1f5ff;border:1px solid #d8e1ff;border-radius:22px;padding:26px}
    .notice h3{margin:0 0 10px;font-size:21px}
    .notice p{color:var(--muted);margin:0 0 16px}
    .quote{background:#fff;border-left:4px solid var(--cyan);border-radius:18px;padding:25px 30px;box-shadow:var(--shadow2);font-size:18px}
    .quote p{margin:0 0 12px}
    .quote small{color:var(--muted)}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px}
    .faq details[open] summary:after{content:"−"}
    .faq details p{color:var(--muted);margin:13px 0 0;font-size:14px}
    .cta{padding:62px 0;background:linear-gradient(120deg,#17233d,#3158d8);color:#fff}
    .cta-inner{display:flex;justify-content:space-between;align-items:center;gap:25px}
    .cta h2{font-size:clamp(26px,3vw,38px);margin:0 0 8px}
    .cta p{color:#dce5ff;margin:0}
    .button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800;white-space:nowrap}
    .button-light:hover{transform:translateY(-2px);color:var(--blue);box-shadow:0 10px 20px rgba(0,0,0,.16)}
    .footer{background:#121c33;color:#b9c4dc;padding:54px 0 20px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}
    .footer .brand{color:#fff}
    .footer p{font-size:13px;max-width:270px;margin-top:17px}
    .footer h4{color:#fff;margin:4px 0 14px;font-size:15px}
    .footer ul{list-style:none;padding:0;margin:0}
    .footer li{margin:8px 0;font-size:13px}
    .footer a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#8996b1}
    @media(max-width:1024px){.nav-links{gap:0;margin-left:5px}.nav-links a{padding:8px 8px;font-size:13px}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.nav-shell{height:68px}.menu-toggle{display:block}.nav-tools .status,.nav-button{display:none}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;margin:0;padding:12px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow2);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.hero-grid,.split,.feature-panel{grid-template-columns:1fr}.section{padding:62px 0}.grid-3{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.story img{height:290px}.cta-inner{align-items:flex-start;flex-direction:column}}
    @media(max-width:520px){.container{width:min(calc(100% - 28px),var(--max))}.brand{font-size:18px}.grid-3,.grid-4,.steps,.faq{grid-template-columns:1fr}.sub-hero{padding:57px 0 62px}.sub-hero h1{font-size:35px}.search-box{display:block;background:transparent;padding:0}.search-box input{display:block;width:100%;border-radius:11px;margin-bottom:9px;background:#fff}.search-box button{width:100%;height:48px}.metric-band{padding:23px}.metric{border-right:0;border-bottom:1px solid rgba(255,255,255,.2);padding:12px}.metric:last-child{border-bottom:0}.footer-grid{grid-template-columns:1fr 1fr;gap:24px}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category4 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --line:#e4e9f3;--soft:#edf2ff;--radius:24px;
      --shadow:0 18px 50px rgba(30,47,96,.11);--shadow2:0 8px 24px rgba(30,47,96,.08);--max:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 12px;border-radius:11px;color:var(--muted);font-size:14px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status-dot{width:9px;height:9px;border-radius:50%;background:#30c997;box-shadow:0 0 0 5px #d9f8ed}
    .nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2)}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}
    .hero{position:relative;overflow:hidden;padding:75px 0 68px;background:linear-gradient(120deg,rgba(23,35,61,.95),rgba(45,62,139,.89)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:after{content:"";position:absolute;width:460px;height:460px;border:1px solid rgba(255,255,255,.15);border-radius:50%;right:-130px;top:-190px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(35px,5vw,60px);line-height:1.16;margin:18px 0 20px;letter-spacing:-.04em}
    .hero-copy{font-size:17px;max-width:650px;color:#dce5ff;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800}
    .button-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff}
    .button-light:hover,.button-ghost:hover{transform:translateY(-2px)}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:25px;box-shadow:0 22px 50px rgba(6,12,45,.24)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
    .panel-title{font-weight:800}.panel-tag{background:#d8fbeb;color:#237450;padding:4px 9px;border-radius:8px;font-size:12px}
    .progress-line{height:10px;background:rgba(255,255,255,.2);border-radius:20px;overflow:hidden;margin:14px 0 8px}
    .progress-line span{display:block;width:78%;height:100%;background:linear-gradient(90deg,var(--cyan),#b1f2d2);border-radius:20px}
    .panel-meta{display:flex;justify-content:space-between;color:#dce5ff;font-size:13px}
    .tier-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:22px}
    .tier{padding:12px 8px;border:1px solid rgba(255,255,255,.18);border-radius:14px;text-align:center;color:#dce5ff;font-size:12px}
    .tier strong{display:block;color:#fff;font-size:16px}
    .section{padding:78px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:640px;margin:10px 0 0}
    .section-kicker{color:var(--blue)}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow2);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}
    .card h3{font-size:19px;margin:14px 0 9px}.card p{color:var(--muted);margin:0}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}
    .icon-box{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#e6edff,#f2eaff);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:900}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .split{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .split img{height:380px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .check-list{padding:0;margin:20px 0;list-style:none;color:var(--muted)}
    .check-list li{padding:8px 0;border-bottom:1px solid var(--line)}.check-list li:before{content:"✓";color:#25ad83;font-weight:900;margin-right:9px}
    .metric-band{background:linear-gradient(125deg,#263871,#5c43bf);color:#fff;border-radius:28px;padding:33px;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:22px;align-items:center}
    .metric-band h2{margin:0;font-size:27px}.metric{border-left:1px solid rgba(255,255,255,.25);padding-left:22px}.metric strong{font-size:30px;display:block}.metric span{color:#dce5ff;font-size:13px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{position:relative;padding:23px 20px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .step-num{color:var(--blue);font-size:13px;font-weight:900}.step h3{font-size:17px;margin:12px 0 5px}.step p{color:var(--muted);font-size:14px;margin:0}
    .story{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
    .quote{background:#17233d;color:#fff;border-radius:25px;padding:35px;display:flex;flex-direction:column;justify-content:center}
    .quote p{font-size:20px;line-height:1.7;margin:15px 0;color:#edf2ff}.quote small{color:#9eacd0}
    .story img{height:100%;min-height:300px;width:100%;object-fit:cover;border-radius:25px}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:22px;line-height:1}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);margin:12px 0 0;font-size:14px}
    .cta{padding:60px 0;background:linear-gradient(120deg,#3158d8,#7046d5);color:#fff}.cta-box{display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px;margin:0 0 8px}.cta p{color:#dce5ff;margin:0}
    .footer{background:#111b32;color:#aeb9d5;padding:55px 0 20px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{max-width:285px;font-size:13px}.footer h4{color:#fff;margin:5px 0 12px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:6px 0;font-size:13px}.footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;font-size:12px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(34,185,201,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0;margin-left:5px}.nav-links a{padding:8px 7px}.hero-grid{gap:30px}.metric-band{grid-template-columns:1fr 1fr 1fr}.metric-band h2{grid-column:1/-1}.timeline{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 30px),var(--max))}.nav-shell{height:68px}.menu-toggle{display:block}.nav-tools{margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:15px;right:15px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.nav-tools .status-dot{display:none}.nav-button{padding:9px 12px;font-size:13px}.hero{padding:58px 0}.hero-grid,.split,.story{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section{padding:58px 0}.service-grid{grid-template-columns:repeat(2,1fr)}.metric-band{grid-template-columns:1fr 1fr}.cta-box{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){.brand{font-size:18px}.hero h1{font-size:36px}.hero-copy{font-size:15px}.hero-actions a{width:100%;text-align:center}.service-grid,.timeline,.faq,.metric-band{grid-template-columns:1fr}.metric{border-left:0;border-top:1px solid rgba(255,255,255,.25);padding:15px 0 0}.section-head{display:block}.section-head h2{font-size:29px}.split img{height:270px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category5 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --line:#e4e9f3;--soft:#edf2ff;--green:#20a77b;--radius:24px;
      --shadow:0 18px 50px rgba(30,47,96,.11);--shadow2:0 8px 24px rgba(30,47,96,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:11px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
    .status i{display:block;width:8px;height:8px;border-radius:50%;background:#35c696;box-shadow:0 0 0 4px #e1f8ef}
    .nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2)}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}
    .hero{position:relative;overflow:hidden;padding:75px 0 68px;background:linear-gradient(120deg,rgba(23,35,61,.95),rgba(45,62,139,.88)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:before{content:"";position:absolute;width:470px;height:470px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-150px;top:-210px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(35px,5vw,62px);line-height:1.16;margin:18px 0 20px;letter-spacing:-.04em}
    .hero-copy{font-size:17px;max-width:650px;color:#dce5ff;margin-bottom:28px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800}
    .button-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff}
    .button-light:hover,.button-ghost:hover{transform:translateY(-2px)}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:25px;box-shadow:0 22px 50px rgba(6,12,45,.24)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:19px}
    .panel-title{font-weight:800;font-size:18px}.panel-tag{background:#d8fbeb;color:#237450;padding:4px 9px;border-radius:8px;font-size:12px}
    .question-box{background:#fff;color:var(--ink);border-radius:17px;padding:17px;margin-bottom:12px}
    .question-box strong{display:block;margin-bottom:4px}.question-box span{color:var(--muted);font-size:13px}
    .section{padding:82px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:620px;margin:10px 0 0}
    .section-kicker{color:var(--blue)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow2);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}
    .card h3{font-size:19px;margin:16px 0 9px}.card p{color:var(--muted);margin:0}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}
    .icon-box{width:43px;height:43px;border-radius:14px;background:linear-gradient(135deg,#e7efff,#f0eaff);color:var(--blue);display:grid;place-items:center;font-size:20px;font-weight:900}
    .feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:38px;align-items:stretch}
    .feature-image{min-height:365px;border-radius:28px;overflow:hidden;position:relative;background:#26356e}
    .feature-image img{width:100%;height:100%;object-fit:cover;opacity:.83}
    .image-label{position:absolute;left:24px;bottom:23px;right:24px;color:#fff;background:rgba(14,25,63,.7);backdrop-filter:blur(8px);padding:17px 19px;border-radius:16px}
    .image-label strong{display:block;font-size:20px}.image-label span{font-size:13px;color:#dce5ff}
    .notice-list{display:grid;gap:12px}
    .notice{display:grid;grid-template-columns:95px 1fr auto;align-items:center;gap:17px;padding:19px 20px;background:#fff;border:1px solid var(--line);border-radius:17px}
    .notice time{font-size:12px;color:var(--blue);font-weight:800}.notice h3{font-size:16px;margin:0 0 3px}.notice p{font-size:13px;color:var(--muted);margin:0}
    .arrow{color:var(--blue);font-size:20px}.notice:hover{border-color:#b8c7fa;box-shadow:var(--shadow2)}
    .stat-band{background:linear-gradient(110deg,var(--blue),var(--blue2));border-radius:28px;color:#fff;padding:33px 38px;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:25px;align-items:center}
    .stat-band h2{font-size:26px;line-height:1.3;margin:0}.stat{border-left:1px solid rgba(255,255,255,.25);padding-left:23px}.stat strong{display:block;font-size:28px}.stat span{color:#dce5ff;font-size:13px}
    .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .timeline:before{content:"";position:absolute;top:23px;left:8%;right:8%;height:2px;background:#d6def7}
    .step{position:relative;z-index:1}.step-num{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;border:7px solid var(--soft);color:var(--blue);font-weight:900;box-shadow:0 0 0 1px #cdd8f5}
    .step h3{font-size:17px;margin:16px 0 6px}.step p{color:var(--muted);font-size:13px;margin:0}
    .split-card{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow);border:1px solid var(--line)}
    .split-copy{padding:42px}.split-copy h2{font-size:32px;line-height:1.3;margin:12px 0}.split-copy p{color:var(--muted)}
    .split-photo{min-height:310px}.split-photo img{width:100%;height:100%;object-fit:cover}
    .quote{padding:30px 35px;border-left:4px solid var(--cyan);background:#fff;border-radius:0 22px 22px 0;box-shadow:var(--shadow2)}
    .quote p{font-size:20px;line-height:1.7;margin:0 0 15px}.quote cite{font-style:normal;color:var(--muted);font-size:13px}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}.faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);font-size:14px;margin:12px 0 0}
    .cta{padding:65px 0;background:linear-gradient(120deg,#17233d,#3158d8);color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{font-size:34px;line-height:1.3;margin:10px 0}.cta p{color:#dce5ff;max-width:650px;margin:0}
    .footer{background:#121c34;color:#dce5ff;padding:53px 0 20px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px}.footer .brand{color:#fff}.footer p{color:#9ba8c6;max-width:290px;font-size:13px;margin-top:18px}.footer h4{color:#fff;margin:4px 0 14px;font-size:15px}.footer ul{list-style:none;padding:0;margin:0}.footer li{margin:7px 0;color:#9ba8c6;font-size:13px}.footer li a:hover,.copyright a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:17px;display:flex;justify-content:space-between;gap:15px;color:#8f9bb7;font-size:12px}
    :focus-visible{outline:3px solid rgba(34,185,201,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0;margin-left:5px}.nav-links a{padding:8px 8px}.hero-grid{gap:30px}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 28px),var(--max))}.nav-shell{height:68px}.menu-toggle{display:block}.nav-tools .status,.nav-tools .nav-button{display:none}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;margin:0;padding:12px 14px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow2);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 15px}.hero{padding:58px 0}.hero-grid,.feature-layout,.split-card{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section{padding:62px 0}.section-head{display:block}.grid-3{grid-template-columns:1fr}.stat-band{grid-template-columns:1fr 1fr;padding:27px}.stat-band h2{grid-column:1/-1}.timeline{grid-template-columns:1fr 1fr;gap:26px}.timeline:before{display:none}.cta-inner{display:block}.cta .button-light{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin:7px 0}}
    @media(max-width:520px){.hero h1{font-size:37px}.hero-copy{font-size:15px}.grid-4,.faq,.timeline{grid-template-columns:1fr}.notice{grid-template-columns:1fr;gap:4px}.notice .arrow{display:none}.feature-image{min-height:270px}.split-copy{padding:28px}.split-copy h2{font-size:27px}.stat-band{grid-template-columns:1fr}.stat-band h2{grid-column:auto}.stat{border-left:0;border-top:1px solid rgba(255,255,255,.25);padding:14px 0 0}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}

/* roulang page: category6 */
:root{
      --ink:#17233d;--muted:#68748e;--paper:#f7f9fc;--white:#fff;
      --blue:#3158d8;--blue2:#6a46da;--cyan:#22b9c9;--orange:#ff9b55;
      --green:#24a77d;--line:#e4e9f3;--soft:#edf2ff;--radius:24px;
      --shadow:0 18px 50px rgba(30,47,96,.11);--shadow2:0 8px 24px rgba(30,47,96,.08);--max:1200px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;font-size:15px}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    .container{width:min(calc(100% - 40px),var(--max));margin:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(228,233,243,.9)}
    .nav-shell{height:76px;display:flex;align-items:center;gap:25px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;white-space:nowrap}
    .brand-mark{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 16px rgba(49,88,216,.25)}
    .nav-links{display:flex;gap:5px;align-items:center;margin-left:18px;flex:1}
    .nav-links a{padding:9px 13px;border-radius:11px;color:var(--muted);font-size:14px}
    .nav-links a:hover,.nav-links a.active{background:var(--soft);color:var(--blue);font-weight:700}
    .nav-tools{display:flex;align-items:center;gap:12px}
    .status{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:12px;white-space:nowrap}
    .status i{width:8px;height:8px;background:#30c28d;border-radius:50%;box-shadow:0 0 0 4px #e1f8ee}
    .nav-button,.button-main{border:0;color:#fff!important;background:linear-gradient(110deg,var(--blue),var(--blue2));padding:11px 19px;border-radius:12px;font-weight:700;box-shadow:0 9px 19px rgba(65,75,201,.2);display:inline-block}
    .nav-button:hover,.button-main:hover{transform:translateY(-2px);box-shadow:0 13px 25px rgba(65,75,201,.3)}
    .menu-toggle{display:none;border:0;background:var(--soft);color:var(--blue);border-radius:10px;padding:7px 11px}
    .hero{position:relative;overflow:hidden;padding:64px 0 58px;background:linear-gradient(120deg,rgba(23,35,61,.95),rgba(45,62,139,.9)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff}
    .hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-130px;top:-220px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;color:#87e1e7;font-weight:800;letter-spacing:.08em;font-size:12px}
    .eyebrow:before,.section-kicker:before{content:"";width:24px;height:2px;background:currentColor}
    .hero h1{font-size:clamp(35px,5vw,60px);line-height:1.16;margin:18px 0 20px;letter-spacing:-.04em}
    .hero-copy{font-size:17px;max-width:650px;color:#dce5ff;margin-bottom:27px}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap}
    .button-light{display:inline-block;background:#fff;color:var(--blue);padding:12px 22px;border-radius:12px;font-weight:800}
    .button-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);padding:11px 21px;border-radius:12px;color:#fff}
    .button-light:hover,.button-ghost:hover{transform:translateY(-2px)}
    .hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:25px;box-shadow:0 22px 50px rgba(6,12,45,.24)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
    .panel-title{font-weight:800}.panel-tag{background:#d8fbeb;color:#237450;padding:4px 9px;border-radius:8px;font-size:12px}
    .search-box{display:flex;background:#fff;border-radius:14px;padding:5px;margin:18px 0;color:var(--muted)}
    .search-box input{border:0;outline:0;min-width:0;flex:1;padding:9px 12px;color:var(--ink)}
    .search-box button{border:0;border-radius:10px;background:var(--blue);color:#fff;padding:8px 14px;cursor:pointer}
    .quick-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .quick-links a{padding:11px 13px;border:1px solid rgba(255,255,255,.22);border-radius:12px;color:#e4ebff;font-size:13px}
    .quick-links a:hover{background:rgba(255,255,255,.13)}
    .section{padding:82px 0}.section.alt{background:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}
    .section-head h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 0;letter-spacing:-.03em}
    .section-intro{color:var(--muted);max-width:650px;margin:10px 0 0}
    .section-kicker{color:var(--blue)}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow2);transition:.28s ease}
    .card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cbd5fa}
    .card h3{font-size:19px;margin:14px 0 9px}.card p{color:var(--muted);margin:0}
    .icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-weight:900;font-size:20px}
    .badge{display:inline-block;background:#e7efff;color:var(--blue);font-size:11px;padding:3px 8px;border-radius:20px;font-weight:800}
    .story{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;align-items:center}
    .story img{height:360px;width:100%;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
    .story h2{font-size:36px;line-height:1.3;margin:12px 0}
    .check-list{padding:0;margin:20px 0;list-style:none;color:var(--muted)}
    .check-list li{padding:7px 0}.check-list li:before{content:"✓";color:var(--green);font-weight:900;margin-right:9px}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:20px}
    .step-no{font-size:34px;font-weight:900;color:#d9e1fb;line-height:1}
    .step h3{font-size:17px;margin:17px 0 5px}.step p{margin:0;color:var(--muted);font-size:13px}
    .metric-band{background:linear-gradient(110deg,#3158d8,#7046d5);color:#fff}
    .metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
    .metric strong{display:block;font-size:34px;line-height:1.2}.metric span{color:#d9e4ff;font-size:13px}
    .feature-image{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .feature-image img{width:100%;height:290px;object-fit:cover;border-radius:24px}
    .notice{padding:28px;border-radius:24px;background:#f0f4ff;border:1px solid #dce5ff}
    .notice h3{margin:0 0 10px;font-size:23px}.notice p{color:var(--muted);margin:0}
    .faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px}
    .faq details[open]{border-color:#bfcafa;box-shadow:var(--shadow2)}
    .faq summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"+";position:absolute;right:0;color:var(--blue);font-size:20px}
    .faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);margin:10px 0 0;font-size:14px}
    .cta{padding:58px 0;background:linear-gradient(120deg,#17233d,#3158d8);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:32px;margin:0 0 8px}.cta p{color:#dce5ff;margin:0}
    .footer{background:#111b32;color:#c6d1e9;padding:58px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
    .footer .brand{color:#fff}.footer p{color:#8d9bb7;max-width:280px;margin-top:18px}.footer h4{color:#fff;margin:5px 0 13px;font-size:15px}
    .footer ul{list-style:none;padding:0;margin:0}.footer li{margin:7px 0}.footer li a,.copyright a{color:#9eacce}.footer li a:hover,.copyright a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:18px;display:flex;justify-content:space-between;gap:15px;color:#8190ab;font-size:12px;flex-wrap:wrap}
    :focus-visible{outline:3px solid rgba(34,185,201,.55);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0;margin-left:5px}.nav-links a{padding:8px 8px}.hero-grid{gap:30px}.grid-4,.step-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(calc(100% - 30px),var(--max))}.nav-shell{height:68px}.menu-toggle{display:block}.nav-tools .status{display:none}.nav-links{display:none;position:absolute;left:15px;right:15px;top:73px;margin:0;padding:10px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.nav-button{padding:9px 12px;font-size:13px}.hero{padding:55px 0}.hero-grid,.story,.feature-image{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section{padding:62px 0}.section-head{display:block}.grid-3,.faq{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr);gap:28px}.story img{height:280px}.footer-grid{grid-template-columns:repeat(2,1fr)}.cta-inner{display:block}.cta .button-light{margin-top:22px}}
    @media(max-width:520px){.brand{font-size:18px}.hero h1{font-size:38px}.hero-copy{font-size:15px}.quick-links,.grid-4,.step-grid{grid-template-columns:1fr}.metrics strong{font-size:28px}.story h2{font-size:29px}.footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:9px}}