/* roulang page: index */
:root{
  --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--line:rgba(174,205,236,.16);
  --text:#f4f8ff;--muted:#9eafc5;--cyan:#42e8d0;--violet:#8c7bff;
  --orange:#ffb86b;--danger:#ff719f;--radius:22px;--shadow:0 20px 70px rgba(0,0,0,.32);
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:fixed;z-index:20;left:0;right:0;top:0;background:rgba(7,11,20,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.navbar{height:78px;display:flex;align-items:center;gap:38px}
.logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
.logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1}
.nav-list a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px}
.nav-list a:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
.nav-list a:hover,.nav-list a.active{color:#fff}
.nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-note{font-size:12px;color:var(--muted)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
.btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
.btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#231508}
.hero{min-height:760px;padding:155px 0 80px;position:relative;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(5,9,18,.96) 0%,rgba(5,9,18,.72) 42%,rgba(5,9,18,.25)),url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,var(--bg))}
.hero-content{position:relative;z-index:1;max-width:800px}
.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
.hero h1{font-size:clamp(48px,8vw,94px);line-height:1.05;letter-spacing:-.06em;margin:20px 0 25px;max-width:760px}
.hero h1 span{color:var(--cyan)}
.hero-copy{font-size:18px;color:#d3deed;max-width:680px;line-height:2}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:32px 0}
.countdown{display:flex;align-items:center;gap:18px;width:max-content;padding:12px 18px;border:1px solid rgba(66,232,208,.3);border-radius:14px;background:rgba(8,18,29,.72);color:var(--muted);font-size:13px}
.countdown strong{color:var(--orange);font-size:19px;letter-spacing:.08em}
.hero-metrics{display:flex;gap:36px;margin-top:42px}
.metric strong{display:block;font-size:25px;color:#fff}
.metric span{font-size:12px;color:var(--muted)}
.section{padding:112px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}
.section-head h2{font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:-.04em;margin-top:10px}
.section-head p{max-width:510px;color:var(--muted);font-size:15px}
.dark-band{background:#0a111e;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.12);transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(66,232,208,.52);box-shadow:var(--shadow)}
.icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(66,232,208,.1);color:var(--cyan);font-size:22px;margin-bottom:22px}
.card h3{font-size:21px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px}
.feature-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:22px;align-items:stretch}
.visual-card{min-height:460px;border-radius:var(--radius);overflow:hidden;position:relative;background-size:cover;background-position:center}
.visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,8,15,.92),transparent 70%)}
.visual-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:27px}
.visual-caption h3{font-size:29px;margin:8px 0}
.visual-caption p{color:#c2cfdf;font-size:14px}
.stack{display:grid;gap:16px}
.info-row{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row b{color:var(--cyan);font-size:13px;min-width:76px}
.info-row h3{font-size:18px;margin-bottom:3px}
.info-row p{font-size:13px;color:var(--muted)}
.cover-card{padding:0;overflow:hidden}
.cover-card img{height:166px}
.cover-card .card-body{padding:21px}
.cover-card small{color:var(--cyan);font-size:12px}
.cover-card h3{font-size:18px;margin:8px 0}
.cover-card p{font-size:13px}
.pill{display:inline-flex;align-items:center;padding:5px 11px;border-radius:99px;background:rgba(140,123,255,.14);color:#c9c1ff;font-size:12px}
.reward-board{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
.reward-main{border:1px solid rgba(255,184,107,.3);background:linear-gradient(120deg,#281b1b,#161528);border-radius:var(--radius);padding:34px;position:relative;overflow:hidden}
.reward-main:before{content:"";position:absolute;width:230px;height:230px;right:-60px;top:-80px;border:35px solid rgba(255,184,107,.15);border-radius:50%}
.reward-main h3{font-size:32px;margin:16px 0 8px}
.reward-main p{color:var(--muted);max-width:570px}
.reward-list{display:grid;gap:12px}
.reward-item{display:flex;align-items:center;gap:15px;padding:20px;border-radius:17px;background:var(--panel);border:1px solid var(--line)}
.reward-item strong{display:block;font-size:16px}.reward-item span{display:block;color:var(--muted);font-size:12px}
.progress-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.progress-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
.progress-head strong{font-size:29px;color:var(--cyan)}
.progress-line{height:10px;background:#1d2a3e;border-radius:10px;overflow:hidden}
.progress-line i{display:block;width:72%;height:100%;background:linear-gradient(90deg,var(--violet),var(--cyan));border-radius:inherit}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:35px}
.step{position:relative;padding:0 24px 0 0}.step:not(:last-child):after{content:"";position:absolute;top:17px;left:43px;right:12px;border-top:1px dashed #456078}
.step-num{position:relative;z-index:1;display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#17263a;color:var(--cyan);border:1px solid var(--cyan);margin-bottom:14px}
.step h3{font-size:16px}.step p{font-size:13px;color:var(--muted);margin-top:5px}
.topic-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.topic{min-height:130px;display:flex;flex-direction:column;justify-content:space-between;padding:18px;border-radius:16px;border:1px solid var(--line);background:var(--panel);transition:.25s}
.topic:hover{background:var(--panel2);border-color:var(--violet);transform:translateY(-4px)}
.topic b{font-size:15px}.topic span{font-size:12px;color:var(--muted)}
.trust{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-item{display:flex;gap:12px;align-items:center;color:#d8e5f4;font-size:14px}.trust-item b{color:var(--cyan);font-size:21px}
.news-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:24px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:105px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.news-item time{color:var(--cyan);font-size:12px}.news-item h3{font-size:17px;margin-bottom:5px}.news-item p{color:var(--muted);font-size:13px;line-height:1.7}
.news-item .btn{padding:8px 13px;font-size:12px}
.news-feature{background-image:linear-gradient(0deg,rgba(6,10,18,.94),rgba(6,10,18,.1)),url("/assets/images/coverpic/cover-8.webp");background-size:cover;border-radius:var(--radius);min-height:420px;padding:28px;display:flex;flex-direction:column;justify-content:end}
.news-feature h3{font-size:25px;margin:12px 0}.news-feature p{color:#c2cfdf;font-size:13px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{padding:30px;background:#101a2a;border:1px solid var(--line);border-radius:var(--radius)}
.quote p{font-size:16px;color:#dce8f5}.quote footer{color:var(--cyan);font-size:12px;margin-top:20px}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.faq{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
.faq button{width:100%;display:flex;justify-content:space-between;text-align:left;padding:20px;background:transparent;border:0;color:#fff;font-weight:700}
.faq button span{color:var(--cyan);font-size:20px}.faq p{display:none;padding:0 20px 20px;color:var(--muted);font-size:14px}.faq.open p{display:block}
.subscribe{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.subscribe h2{font-size:clamp(30px,4vw,49px);line-height:1.25}.subscribe p{color:var(--muted);margin-top:15px}
.form{display:flex;gap:10px}.form input{min-width:0;flex:1;padding:14px 18px;background:#0b1422;border:1px solid var(--line);border-radius:999px;color:#fff;outline:none}.form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(66,232,208,.12)}
.cta{padding:55px;border-radius:28px;background:linear-gradient(105deg,#17223c,#112b31);border:1px solid rgba(66,232,208,.28);display:flex;justify-content:space-between;align-items:center;gap:25px}.cta h2{font-size:34px}.cta p{color:var(--muted);margin-top:8px}
.site-footer{padding:58px 0 28px;background:#050810;border-top:1px solid var(--line)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:42px}.footer-brand p{color:var(--muted);font-size:13px;max-width:310px;margin-top:14px}.footer-col h4{font-size:14px;margin-bottom:14px}.footer-col a{display:block;color:var(--muted);font-size:13px;margin:8px 0}.footer-col a:hover{color:var(--cyan)}.copyright{padding-top:22px;border-top:1px solid var(--line);color:#718299;font-size:12px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
:focus-visible{outline:3px solid rgba(66,232,208,.65);outline-offset:3px}
@media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:9px 8px;font-size:13px}.nav-list a:after{left:8px;right:8px}.topic-grid{grid-template-columns:repeat(4,1fr)}.footer-top{grid-template-columns:1.4fr 1fr 1fr}}
@media(max-width:768px){.container{width:min(100% - 32px,600px)}.navbar{height:68px;justify-content:space-between}.nav-note{display:none}.menu-toggle{display:block}.nav-list{display:none;position:absolute;top:68px;left:16px;right:16px;padding:12px;background:#0c1524;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-list.show{display:flex}.nav-list a{display:block;padding:12px 15px}.nav-actions .btn{display:none}.hero{min-height:690px;padding-top:130px}.hero h1{font-size:53px}.hero-copy{font-size:16px}.section{padding:76px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.grid-3,.grid-4,.quote-grid{grid-template-columns:1fr 1fr}.feature-layout,.reward-board,.news-layout,.subscribe{grid-template-columns:1fr}.visual-card{min-height:350px}.steps{grid-template-columns:1fr 1fr;gap:28px}.step:not(:last-child):after{display:none}.faq-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(3,1fr)}.footer-top{grid-template-columns:1fr 1fr}.cta{display:block;padding:35px}.cta .btn{margin-top:22px}}
@media(max-width:520px){.hero h1{font-size:44px}.hero-actions,.form{flex-direction:column}.hero-actions .btn,.form .btn{width:100%}.hero-metrics{gap:18px;flex-wrap:wrap}.countdown{width:100%;justify-content:space-between}.grid-3,.grid-4,.quote-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.news-item{grid-template-columns:1fr;gap:5px}.news-item .btn{width:max-content;margin-top:7px}.trust{display:grid;grid-template-columns:1fr 1fr}.footer-top{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:9px}}

/* roulang page: category3 */
:root{
      --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--line:rgba(174,205,236,.16);
      --text:#f4f8ff;--muted:#9eafc5;--cyan:#42e8d0;--violet:#8c7bff;
      --orange:#ffb86b;--danger:#ff719f;--radius:22px;--shadow:0 20px 70px rgba(0,0,0,.32);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:fixed;z-index:30;left:0;right:0;top:0;background:rgba(7,11,20,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .navbar{height:78px;display:flex;align-items:center;gap:28px}
    .logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
    nav{flex:1}
    .nav-list{display:flex;align-items:center;gap:2px;list-style:none;padding:0;margin:0}
    .nav-list a{position:relative;display:block;padding:10px 11px;color:var(--muted);font-size:13px;white-space:nowrap}
    .nav-list a:after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan);transform:scaleX(0);transition:.25s}
    .nav-list a:hover,.nav-list a.active{color:#fff}
    .nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-note{font-size:12px;color:var(--muted);white-space:nowrap}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s;outline:none}
    .btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
    .btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
    .btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
    .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
    .btn-orange{background:var(--orange);color:#231508}
    .btn:focus-visible,.menu-toggle:focus-visible,.faq-q:focus-visible,.field input:focus-visible{outline:3px solid rgba(66,232,208,.48);outline-offset:3px}
    .section{padding:104px 0;position:relative}
    .section-kicker,.eyebrow{color:var(--cyan);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.045em;margin:10px 0 0}
    .section-head p{max-width:500px;color:var(--muted);font-size:15px;margin:0}
    .sub-hero{position:relative;min-height:650px;display:flex;align-items:center;padding:142px 0 82px;overflow:hidden;background:linear-gradient(90deg,rgba(5,9,18,.97) 0%,rgba(5,9,18,.79) 48%,rgba(5,9,18,.34)),url("/assets/images/backpic/back-2.webp") center/cover}
    .sub-hero:before{content:"";position:absolute;width:540px;height:540px;right:-150px;top:110px;border:1px solid rgba(66,232,208,.22);border-radius:50%;box-shadow:0 0 0 45px rgba(66,232,208,.035),0 0 0 90px rgba(140,123,255,.025)}
    .sub-hero:after{content:"";position:absolute;inset:auto 0 0;height:160px;background:linear-gradient(transparent,var(--bg))}
    .hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .78fr;align-items:center;gap:50px}
    .breadcrumb{display:flex;gap:10px;align-items:center;margin-bottom:24px;color:var(--muted);font-size:13px}
    .breadcrumb span{color:var(--cyan)}
    h1{font-size:clamp(45px,6vw,78px);line-height:1.08;letter-spacing:-.06em;margin:0 0 24px}
    h1 em{font-style:normal;color:var(--cyan)}
    .hero-copy{max-width:650px;color:#d3deed;font-size:17px;line-height:2}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
    .release-card{position:relative;padding:28px;border:1px solid rgba(66,232,208,.3);border-radius:var(--radius);background:linear-gradient(145deg,rgba(20,38,55,.95),rgba(12,19,33,.93));box-shadow:var(--shadow);overflow:hidden}
    .release-card:after{content:"";position:absolute;width:170px;height:170px;border-radius:50%;right:-74px;bottom:-90px;background:rgba(140,123,255,.22);filter:blur(3px)}
    .release-card h2{position:relative;z-index:1;font-size:25px;line-height:1.35;margin:12px 0 8px}
    .release-card p{position:relative;z-index:1;margin:0;color:var(--muted);font-size:13px}
    .launch-top{display:flex;justify-content:space-between;align-items:center}
    .launch-top b{font-size:12px;color:var(--cyan);letter-spacing:.13em}
    .launch-top span{font-size:12px;color:var(--orange)}
    .countdown-wrap{display:flex;align-items:center;gap:22px;margin:25px 0}
    .countdown-ring{width:112px;height:112px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--cyan) 0 76%,rgba(255,255,255,.12) 76%);position:relative;flex:0 0 auto}
    .countdown-ring:before{content:"";width:94px;height:94px;border-radius:50%;background:var(--panel);position:absolute}
    .countdown-ring strong{position:relative;font-size:26px;line-height:1}
    .countdown-ring small{position:absolute;z-index:1;margin-top:48px;color:var(--muted);font-size:10px}
    .countdown-text b{font-size:16px;display:block}
    .countdown-text span{display:block;margin-top:4px;font-size:12px;color:var(--muted)}
    .slider-dots{position:relative;z-index:1;display:flex;gap:8px;margin:20px 0 24px}
    .slider-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.24)}
    .slider-dots i.active{width:28px;border-radius:20px;background:var(--cyan);box-shadow:0 0 12px rgba(66,232,208,.8)}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:start}
    .intro-sticky{position:sticky;top:108px}
    .intro-sticky h2{font-size:clamp(32px,4vw,52px);line-height:1.2;letter-spacing:-.05em;margin:12px 0 20px}
    .intro-sticky p{color:var(--muted);font-size:16px;margin:0}
    .statement{font-size:clamp(23px,3vw,36px);font-weight:750;line-height:1.65;letter-spacing:-.035em;padding:0 0 30px;border-bottom:1px solid var(--line)}
    .body-copy{padding-top:26px;color:#c4d1e1;font-size:16px}
    .body-copy p{margin:0 0 18px}
    .number-list{margin-top:25px;border-top:1px solid var(--line)}
    .number-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:19px 0;border-bottom:1px solid var(--line)}
    .number-item b{font-size:15px;color:var(--cyan)}
    .number-item h3{font-size:17px;margin:0 0 2px}
    .number-item p{font-size:13px;color:var(--muted);margin:0}
    .benefit-area{background:linear-gradient(180deg,rgba(18,30,49,.5),rgba(7,11,20,0))}
    .benefit-layout{display:grid;grid-template-columns:1.16fr .84fr;gap:21px}
    .benefit-main{padding:38px;min-height:480px;border-radius:var(--radius);overflow:hidden;position:relative;background:linear-gradient(0deg,rgba(8,13,24,.94),rgba(8,13,24,.12)),url("/assets/images/coverpic/cover-3.webp") center/cover;border:1px solid var(--line)}
    .benefit-main .pill{margin-bottom:17px}
    .pill{display:inline-flex;align-items:center;padding:5px 11px;border-radius:99px;background:rgba(140,123,255,.14);color:#c9c1ff;font-size:12px}
    .benefit-main h3{font-size:34px;line-height:1.25;margin:0 0 14px;max-width:510px}
    .benefit-main p{max-width:520px;color:#d1ddeb;font-size:15px}
    .benefit-main .btn{margin-top:17px}
    .benefit-list{display:grid;gap:13px}
    .benefit-card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:18px;padding:21px;transition:.3s}
    .benefit-card:hover{transform:translateX(-5px);border-color:rgba(66,232,208,.55)}
    .benefit-card .icon{width:39px;height:39px;display:grid;place-items:center;border-radius:12px;background:rgba(66,232,208,.11);color:var(--cyan);font-weight:900;margin-bottom:12px}
    .benefit-card h3{margin:0 0 5px;font-size:17px}
    .benefit-card p{margin:0;color:var(--muted);font-size:13px}
    .plan-shell{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel)}
    .plan-head{padding:34px 38px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:25px;align-items:end}
    .plan-head h2{font-size:34px;line-height:1.25;margin:9px 0 0}
    .plan-head p{max-width:420px;color:var(--muted);font-size:14px;margin:0}
    .plans{display:grid;grid-template-columns:repeat(3,1fr)}
    .plan{padding:34px;border-right:1px solid var(--line);min-height:436px;position:relative}
    .plan:last-child{border-right:0}
    .plan.featured{background:linear-gradient(180deg,rgba(66,232,208,.12),rgba(140,123,255,.06))}
    .plan .tag{position:absolute;right:20px;top:20px;font-size:11px;padding:4px 9px;border-radius:10px;background:var(--cyan);color:#071216;font-weight:800}
    .plan h3{font-size:23px;margin:0 0 5px}
    .plan>p{color:var(--muted);font-size:13px;min-height:48px;margin:0}
    .price{font-size:39px;line-height:1;margin:27px 0 5px;font-weight:900;letter-spacing:-.06em}
    .price small{font-size:13px;font-weight:400;letter-spacing:0;color:var(--muted)}
    .plan ul{list-style:none;margin:25px 0;padding:0}
    .plan li{padding:9px 0;color:#d8e5f4;font-size:13px;border-bottom:1px solid rgba(174,205,236,.11)}
    .plan li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:9px}
    .plan .btn{width:100%;margin-top:5px}
    .scene-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:22px;align-items:stretch}
    .scene-image{min-height:470px;border-radius:var(--radius);overflow:hidden;position:relative;background:linear-gradient(0deg,rgba(7,11,20,.9),rgba(7,11,20,.05)),url("/assets/images/coverpic/cover-6.webp") center/cover;border:1px solid var(--line)}
    .scene-image div{position:absolute;bottom:32px;left:32px;right:32px}
    .scene-image h3{font-size:29px;margin:8px 0}
    .scene-image p{font-size:14px;color:#d1ddeb;margin:0}
    .scene-list{display:grid;gap:13px}
    .scene-item{padding:25px 25px 22px;border:1px solid var(--line);border-radius:18px;background:var(--panel);transition:.3s}
    .scene-item:hover{border-color:rgba(140,123,255,.7);background:var(--panel2)}
    .scene-item b{font-size:12px;color:var(--violet);letter-spacing:.12em}
    .scene-item h3{font-size:20px;margin:7px 0}
    .scene-item p{margin:0;color:var(--muted);font-size:13px}
    .process-band{background:#0b1321;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:39px}
    .process-step{position:relative;padding:0 28px 0 0;min-height:185px}
    .process-step:not(:last-child):after{content:"";position:absolute;left:50px;right:0;top:22px;border-top:1px dashed rgba(66,232,208,.45)}
    .step-no{position:relative;z-index:1;width:45px;height:45px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--cyan);background:#0b1321;color:var(--cyan);font-size:13px;font-weight:800}
    .process-step h3{font-size:18px;margin:18px 0 7px}
    .process-step p{font-size:13px;color:var(--muted);margin:0}
    .quote-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:70px;align-items:center}
    .quote-meta img{width:100%;height:250px;border-radius:var(--radius);border:1px solid var(--line)}
    .quote-meta small{display:block;color:var(--cyan);margin-top:19px;font-size:12px;letter-spacing:.14em}
    .quote-meta h3{font-size:24px;margin:5px 0}
    .quote-main{font-size:clamp(25px,3.3vw,42px);line-height:1.55;letter-spacing:-.045em;font-weight:750}
    .quote-main:before{content:"“";display:block;color:var(--cyan);font-size:80px;line-height:.7;margin-bottom:18px}
    .quote-main p{margin:0}
    .quote-main span{display:block;color:var(--muted);font-size:14px;font-weight:400;letter-spacing:0;margin-top:22px}
    .faq-wrap{max-width:900px;margin:auto}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-q{width:100%;padding:23px 0;background:transparent;border:0;color:var(--text);font-size:18px;text-align:left;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .faq-q span:last-child{color:var(--cyan);font-size:25px;font-weight:400;transition:.25s}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .faq-a{display:none;padding:0 44px 24px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-a{display:block}
    .cta{padding:0 0 112px}
    .cta-card{padding:58px;position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(110deg,#163844,#16223d 58%,#251e42);border:1px solid rgba(66,232,208,.35)}
    .cta-card:before,.cta-card:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(66,232,208,.26)}
    .cta-card:before{width:360px;height:360px;right:-130px;top:-220px}
    .cta-card:after{width:250px;height:250px;right:55px;bottom:-200px}
    .cta-content{position:relative;z-index:1;max-width:720px}
    .cta-content h2{font-size:clamp(32px,4.4vw,56px);line-height:1.18;letter-spacing:-.05em;margin:13px 0 15px}
    .cta-content p{max-width:650px;color:#d3e5eb;font-size:16px}
    .cta-form{display:flex;gap:10px;max-width:590px;margin-top:28px}
    .field{flex:1}
    .field input{width:100%;height:48px;padding:0 18px;background:rgba(4,13,23,.48);border:1px solid rgba(255,255,255,.24);border-radius:999px;color:#fff;outline:0}
    .field input::placeholder{color:#aebdca}
    .form-tip{font-size:12px;color:#b9cbd1;margin:10px 0 0}
    footer{border-top:1px solid var(--line);background:#060a12;padding:53px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:40px;padding-bottom:39px}
    .footer-brand .logo{display:inline-block}
    .footer-brand p{max-width:355px;color:var(--muted);font-size:13px;margin:15px 0 0}
    .footer-col h3{font-size:14px;color:#fff;margin:3px 0 12px}
    .footer-col a,.footer-col p{display:block;color:var(--muted);font-size:13px;margin:6px 0}
    .footer-col a:hover{color:var(--cyan)}
    .footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;align-items:center;justify-content:space-between;gap:18px;color:#75869b;font-size:12px}
    .footer-bottom div{display:flex;flex-wrap:wrap;gap:12px}
    .footer-bottom a:hover{color:var(--cyan)}
    @media(max-width:1100px){
      .navbar{gap:15px}.nav-list a{padding:10px 8px;font-size:12px}.nav-note{display:none}
      .hero-inner{gap:28px}.intro-grid,.quote-layout{gap:40px}
    }
    @media(max-width:850px){
      .menu-toggle{display:block;margin-left:auto}.nav-actions{display:none}.navbar{justify-content:space-between}
      nav{position:absolute;top:78px;left:0;right:0;background:rgba(7,11,20,.98);border-bottom:1px solid var(--line);display:none;padding:14px 24px}
      nav.show{display:block}.nav-list{display:grid;grid-template-columns:repeat(2,1fr);gap:3px}.nav-list a{padding:11px 5px;font-size:14px}.nav-list a:after{left:5px;right:5px}
      .hero-inner,.intro-grid,.benefit-layout,.scene-grid,.quote-layout{grid-template-columns:1fr}.sub-hero{padding-top:125px}.release-card{max-width:530px}.intro-sticky{position:static}
      .plans{grid-template-columns:1fr}.plan{border-right:0;border-bottom:1px solid var(--line);min-height:auto}.plan:last-child{border-bottom:0}
      .process{grid-template-columns:repeat(2,1fr);gap:28px}.process-step{min-height:auto}.process-step:nth-child(2):after{display:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .container{width:min(100% - 32px,var(--container))}.section{padding:75px 0}.sub-hero{min-height:auto;padding-bottom:74px}
      h1{font-size:45px}.hero-copy{font-size:15px}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
      .release-card{padding:22px}.countdown-wrap{gap:15px}.countdown-ring{width:95px;height:95px}.countdown-ring:before{width:79px;height:79px}
      .benefit-main{min-height:400px;padding:27px}.benefit-main h3{font-size:29px}.plan-head{padding:27px;display:block}.plan-head p{margin-top:14px}.plan{padding:27px}
      .scene-image{min-height:365px}.scene-image div{left:24px;right:24px;bottom:24px}.process{grid-template-columns:1fr;gap:23px}.process-step:not(:last-child):after{display:none}
      .cta-card{padding:35px 25px}.cta-form{display:block}.cta-form .btn{width:100%;margin-top:10px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{display:block}.footer-bottom div{margin-top:9px}
      .quote-main{font-size:27px}.quote-meta img{height:190px}
    }

/* roulang page: category2 */
:root{
      --bg:#070b14;
      --panel:#0e1625;
      --panel2:#121e31;
      --line:rgba(174,205,236,.16);
      --text:#f4f8ff;
      --muted:#9eafc5;
      --cyan:#42e8d0;
      --violet:#8c7bff;
      --orange:#ffb86b;
      --pink:#ff719f;
      --radius:22px;
      --shadow:0 20px 70px rgba(0,0,0,.32);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:var(--bg);
      color:var(--text);
      line-height:1.8;
      letter-spacing:.02em;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.7),transparent 80%);
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:fixed;z-index:20;left:0;right:0;top:0;
      background:rgba(7,11,20,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:38px}
    .logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
    .nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1;margin:0;padding:0}
    .nav-list a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px}
    .nav-list a:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
    .nav-list a:hover,.nav-list a.active{color:#fff}
    .nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-note{font-size:12px;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:12px 22px;border-radius:999px;border:1px solid transparent;
      font-weight:700;font-size:14px;transition:.25s;
    }
    .btn:focus,.nav-list a:focus,.faq-question:focus{outline:3px solid rgba(66,232,208,.35);outline-offset:3px}
    .btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
    .btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
    .btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
    .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
    .btn-orange{background:var(--orange);color:#231508}
    .btn-orange:hover{background:#ffd09a;transform:translateY(-2px)}
    .page-hero{
      min-height:620px;
      padding:148px 0 90px;
      position:relative;
      display:flex;
      align-items:center;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(5,9,18,.97) 0%,rgba(5,9,18,.78) 47%,rgba(5,9,18,.24)),
        url("/assets/images/backpic/back-2.webp");
      background-size:cover;
      background-position:center;
    }
    .page-hero:after{
      content:"";position:absolute;left:0;right:0;bottom:0;height:160px;
      background:linear-gradient(transparent,var(--bg));
    }
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
    .page-hero h1{font-size:clamp(44px,7vw,82px);line-height:1.08;letter-spacing:-.06em;margin:18px 0 22px;max-width:720px}
    .page-hero h1 span{color:var(--cyan)}
    .hero-copy{font-size:17px;color:#d3deed;max-width:650px;line-height:2}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
    .hero-stats{display:flex;gap:35px;margin-top:36px;flex-wrap:wrap}
    .stat strong{display:block;font-size:28px;color:#fff;line-height:1.2}
    .stat span{font-size:12px;color:var(--muted)}
    .promo-panel{
      position:relative;padding:30px;border-radius:28px;
      background:rgba(13,22,38,.82);border:1px solid rgba(66,232,208,.33);
      box-shadow:var(--shadow);overflow:hidden;
    }
    .promo-panel:before{content:"";position:absolute;inset:-80px -100px auto auto;width:220px;height:220px;border:34px solid rgba(140,123,255,.18);border-radius:50%}
    .sticker{
      position:absolute;right:25px;top:23px;z-index:1;
      width:82px;height:82px;display:grid;place-items:center;text-align:center;
      border-radius:50%;background:var(--orange);color:#281707;
      font-size:12px;font-weight:900;line-height:1.3;transform:rotate(10deg);
      box-shadow:0 0 28px rgba(255,184,107,.3)
    }
    .promo-panel img{height:190px;border-radius:17px;opacity:.85}
    .promo-panel h2{font-size:27px;line-height:1.35;margin:24px 0 10px}
    .promo-panel p{color:var(--muted);font-size:14px;margin:0}
    .section{padding:105px 0;position:relative}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:-.04em;margin:10px 0 0}
    .section-head p{max-width:520px;color:var(--muted);font-size:15px}
    .topic-bar{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .topic-tag{padding:9px 15px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;background:rgba(255,255,255,.025)}
    .topic-tag:hover,.topic-tag.active{color:#071217;border-color:var(--cyan);background:var(--cyan)}
    .feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:stretch}
    .visual-card{min-height:440px;border-radius:var(--radius);overflow:hidden;position:relative;background-size:cover;background-position:center}
    .visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,8,15,.95),transparent 70%)}
    .visual-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:27px}
    .visual-caption h3{font-size:28px;margin:8px 0}
    .visual-caption p{color:#c1cede;font-size:14px;margin:0}
    .detail-card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius);padding:30px}
    .info-row{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}
    .info-row:last-child{border-bottom:0}
    .info-row b{color:var(--cyan);font-size:13px;min-width:78px}
    .info-row h3{font-size:18px;margin:0 0 3px}
    .info-row p{font-size:13px;color:var(--muted);margin:0}
    .theme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .theme-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
    .theme-card:hover{transform:translateY(-7px);border-color:rgba(66,232,208,.52);box-shadow:var(--shadow)}
    .theme-card img{height:190px}
    .theme-body{padding:23px}
    .theme-body small{color:var(--cyan);font-size:12px}
    .theme-body h3{font-size:21px;margin:8px 0}
    .theme-body p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .split-section{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .split-section h2{font-size:clamp(31px,4vw,52px);line-height:1.22;letter-spacing:-.04em;margin:12px 0 20px}
    .split-section .lead{color:#c8d4e5;font-size:16px}
    .check-list{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:15px}
    .check-list li{display:flex;gap:13px;align-items:flex-start;color:#dce8f7;font-size:14px}
    .check-list li:before{content:"✓";display:grid;place-items:center;flex:0 0 23px;height:23px;border-radius:50%;color:#071317;background:var(--cyan);font-weight:900}
    .image-frame{position:relative}
    .image-frame img{height:420px;border-radius:28px;border:1px solid var(--line)}
    .floating-note{position:absolute;left:-25px;bottom:25px;padding:18px 20px;border-radius:17px;background:#111d2e;border:1px solid var(--line);box-shadow:var(--shadow)}
    .floating-note strong{display:block;color:var(--cyan);font-size:24px;line-height:1.2}
    .floating-note span{font-size:12px;color:var(--muted)}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}
    .timeline:before{content:"";position:absolute;top:27px;left:8%;right:8%;height:1px;background:linear-gradient(90deg,var(--cyan),var(--violet));opacity:.5}
    .step{position:relative;padding:0 16px;text-align:center}
    .step-num{width:55px;height:55px;margin:0 auto 22px;display:grid;place-items:center;border-radius:50%;background:var(--bg);border:1px solid var(--cyan);color:var(--cyan);font-weight:900;box-shadow:0 0 22px rgba(66,232,208,.18)}
    .step h3{font-size:18px;margin:0 0 8px}
    .step p{font-size:13px;color:var(--muted);margin:0}
    .metric-band{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .metric{padding:27px 20px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--cyan);font-size:31px;line-height:1.2}
    .metric span{color:var(--muted);font-size:13px}
    .quote-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .quote-card{padding:35px;border-radius:var(--radius);background:linear-gradient(135deg,#17243a,#0e1625);border:1px solid var(--line)}
    .quote-card blockquote{font-size:23px;line-height:1.65;margin:0 0 22px;letter-spacing:-.02em}
    .quote-card cite{font-style:normal;color:var(--cyan);font-size:13px}
    .mini-stack{display:grid;gap:16px}
    .mini-card{padding:22px;border-radius:18px;background:var(--panel);border:1px solid var(--line)}
    .mini-card h3{font-size:17px;margin:0 0 7px}
    .mini-card p{font-size:13px;color:var(--muted);margin:0}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;background:none;border:0;color:var(--text);text-align:left;font-weight:700;font-size:16px}
    .faq-question span:last-child{color:var(--cyan);font-size:25px;font-weight:400;transition:.25s}
    .faq-answer{display:none;padding:0 50px 22px 0;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .notice-box{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;padding:30px 34px;border-radius:var(--radius);background:linear-gradient(100deg,rgba(140,123,255,.17),rgba(66,232,208,.08));border:1px solid rgba(140,123,255,.3)}
    .notice-box h2{font-size:28px;margin:0 0 8px}
    .notice-box p{color:#c4d0df;font-size:14px;margin:0;max-width:760px}
    .cta{padding:88px 0;background:linear-gradient(115deg,#101e31,#11152a);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(30px,4vw,50px);line-height:1.2;margin:10px 0}
    .cta p{color:var(--muted);max-width:650px;margin:0}
    footer{padding:38px 0 28px;color:var(--muted);font-size:13px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:25px;border-bottom:1px solid var(--line)}
    .footer-brand{color:#fff;font-size:20px;font-weight:900}
    .footer-brand i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);margin:0 7px 3px 0}
    .footer-links{display:flex;gap:20px;flex-wrap:wrap}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:20px}
    .record{display:flex;gap:16px;flex-wrap:wrap}
    @media(max-width:1024px){
      .navbar{gap:20px}.nav-list a{padding:10px 8px;font-size:13px}
      .nav-note{display:none}.hero-grid,.feature-layout,.split-section,.quote-layout{gap:30px}
      .theme-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .navbar{height:70px;justify-content:space-between}
      .menu-toggle{display:block}
      .nav-list{display:none;position:absolute;top:70px;left:17px;right:17px;padding:12px;flex-direction:column;align-items:stretch;background:#0b1321;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
      .nav-list.show{display:flex}
      .nav-list a{display:block;padding:11px 14px}
      .nav-actions{display:none}
      .page-hero{min-height:auto;padding:125px 0 80px}
      .hero-grid,.feature-layout,.split-section,.quote-layout{grid-template-columns:1fr}
      .promo-panel{max-width:580px}
      .section{padding:78px 0}
      .section-head,.cta-inner{display:block}
      .section-head p{margin-top:18px}
      .timeline{grid-template-columns:repeat(2,1fr);gap:30px}
      .timeline:before{display:none}
      .metric-band{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(2){border-right:0}
      .metric:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .notice-box{display:block}
      .notice-box .btn{margin-top:22px}
      .cta .btn{margin-top:25px}
      .footer-top{display:block}
      .footer-links{margin-top:18px}
    }
    @media(max-width:520px){
      .page-hero h1{font-size:45px}
      .hero-copy{font-size:15px}
      .hero-stats{gap:20px}
      .theme-grid{grid-template-columns:1fr}
      .timeline{grid-template-columns:1fr}
      .metric strong{font-size:26px}
      .metric{padding:22px 14px}
      .image-frame img{height:310px}
      .floating-note{left:14px}
      .detail-card,.promo-panel,.quote-card{padding:22px}
      .news-item{grid-template-columns:1fr}
    }

/* roulang page: category1 */
:root{
      --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--line:rgba(174,205,236,.16);
      --text:#f4f8ff;--muted:#9eafc5;--cyan:#42e8d0;--violet:#8c7bff;
      --orange:#ffb86b;--danger:#ff719f;--radius:22px;--shadow:0 20px 70px rgba(0,0,0,.32);
      --container:1180px
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{position:fixed;z-index:20;left:0;right:0;top:0;background:rgba(7,11,20,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
    .navbar{height:78px;display:flex;align-items:center;gap:38px}
    .logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
    .nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1}
    .nav-list a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px}
    .nav-list a:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
    .nav-list a:hover,.nav-list a.active{color:#fff}
    .nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:12px}.nav-note{font-size:12px;color:var(--muted)}
    .menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
    .btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
    .btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
    .btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
    .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
    .hero{min-height:650px;padding:150px 0 80px;position:relative;overflow:hidden;background-image:linear-gradient(90deg,rgba(5,9,18,.97),rgba(5,9,18,.7) 48%,rgba(5,9,18,.3)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
    .hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg))}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:center}
    .eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;font-weight:800}
    h1{font-size:clamp(45px,7vw,78px);line-height:1.08;letter-spacing:-.06em;margin:19px 0 22px}
    h1 span{color:var(--cyan)}.hero-copy{font-size:17px;color:#d3deed;max-width:620px;line-height:2}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
    .hero-note{color:var(--muted);font-size:13px}
    .rank-panel{background:rgba(10,17,29,.84);border:1px solid rgba(66,232,208,.28);border-radius:26px;padding:25px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .panel-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.panel-top strong{font-size:18px}.live{color:var(--cyan);font-size:12px}
    .rank-row{display:grid;grid-template-columns:35px 1fr auto;align-items:center;gap:13px;padding:16px 0;border-bottom:1px solid var(--line)}
    .rank-row:last-child{border-bottom:0}.rank-no{font-size:20px;color:var(--orange);font-weight:800}.rank-row b{font-size:14px}.rank-row small{display:block;color:var(--muted);font-size:11px}.rank-score{color:var(--cyan);font-size:13px}
    .section{padding:105px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(29px,4vw,49px);line-height:1.2;letter-spacing:-.04em;margin-top:9px}.section-head p{max-width:520px;color:var(--muted);font-size:15px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.12);transition:.3s}
    .card:hover{transform:translateY(-6px);border-color:rgba(66,232,208,.52);box-shadow:var(--shadow)}
    .card h3{font-size:21px;margin-bottom:10px}.card p{color:var(--muted);font-size:14px}
    .icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:rgba(66,232,208,.12);color:var(--cyan);font-size:21px;margin-bottom:18px}
    .feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
    .visual-card{min-height:430px;border-radius:var(--radius);overflow:hidden;position:relative;background-size:cover;background-position:center}
    .visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,8,15,.94),transparent 68%)}
    .visual-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:27px}.visual-caption h3{font-size:27px}.visual-caption p{color:#c6d3e3;font-size:13px;margin-top:5px}
    .info-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:25px}
    .info-row{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--line)}.info-row:last-child{border-bottom:0}
    .info-row b{color:var(--cyan);font-size:13px;min-width:76px}.info-row h3{font-size:18px;margin-bottom:3px}.info-row p{font-size:13px;color:var(--muted)}
    .cover-card{padding:0;overflow:hidden}.cover-card img{height:165px}.cover-body{padding:21px}.cover-card small{color:var(--cyan);font-size:12px}.cover-card h3{font-size:18px;margin:8px 0}.cover-card p{font-size:13px}
    .pill{display:inline-flex;padding:5px 11px;border-radius:99px;background:rgba(140,123,255,.14);color:#c9c1ff;font-size:12px}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:25px 22px 10px;border-right:1px solid var(--line);position:relative}.step:last-child{border-right:0}.step:before{content:"";position:absolute;top:-6px;left:22px;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}.step strong{display:block;color:var(--cyan);font-size:13px;margin-bottom:10px}.step h3{font-size:18px;margin-bottom:8px}.step p{font-size:13px;color:var(--muted)}
    .metric-band{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(4,1fr);padding:30px}.metric{padding:5px 25px;border-right:1px solid var(--line)}.metric:last-child{border:0}.metric b{font-size:32px;color:var(--cyan);display:block}.metric span{font-size:13px;color:var(--muted)}
    .quote{border-left:3px solid var(--cyan);padding:10px 0 10px 28px;max-width:830px}.quote p{font-size:22px;line-height:1.8}.quote cite{color:var(--muted);font-size:13px;font-style:normal}
    .faq-list{max-width:850px}.faq-item{border-top:1px solid var(--line)}.faq-item button{width:100%;display:flex;justify-content:space-between;align-items:center;padding:21px 0;background:none;border:0;color:var(--text);text-align:left;font-weight:700}.faq-item button span{color:var(--cyan);font-size:22px}.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 40px 20px 0}.faq-item.open .faq-answer{display:block}
    .cta{padding:70px 0;background:linear-gradient(110deg,#112c35,#17152d);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:clamp(28px,4vw,46px);line-height:1.25}.cta p{color:var(--muted);margin-top:9px}
    footer{padding:45px 0 28px;background:#050810}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:30px;border-bottom:1px solid var(--line)}.footer-brand{font-size:23px;font-weight:900}.footer-brand i{display:inline-block;width:8px;height:8px;background:var(--cyan);border-radius:50%;margin-right:7px}.footer p,.footer-links a{color:var(--muted);font-size:13px}.footer-links{display:grid;gap:8px}.footer-links a:hover{color:var(--cyan)}.copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;color:var(--muted);font-size:12px}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
    @media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:10px 8px;font-size:13px}.navbar{gap:18px}.hero-grid{gap:30px}.grid-4{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,var(--container))}.menu-toggle{display:block}.nav-actions{margin-left:auto}.nav-note{display:none}.nav-list{display:none;position:absolute;top:78px;left:16px;right:16px;padding:13px;background:var(--panel);border:1px solid var(--line);border-radius:16px;flex-direction:column;align-items:stretch}.nav-list.show{display:flex}.nav-list a{display:block}.hero{padding-top:130px;min-height:auto}.hero-grid,.feature-layout{grid-template-columns:1fr}.rank-panel{transform:none}.section{padding:75px 0}.section-head{display:block}.section-head p{margin-top:15px}.grid-3{grid-template-columns:1fr}.timeline{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.metric-band{grid-template-columns:1fr 1fr;gap:20px}.metric:nth-child(2){border-right:0}.metric:nth-child(-n+2){border-bottom:1px solid var(--line);padding-bottom:18px}.cta-inner{display:block}.cta .btn{margin-top:24px}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){h1{font-size:46px}.hero-copy{font-size:15px}.grid-4,.timeline{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.metric-band{grid-template-columns:1fr}.metric{border-right:0!important;border-bottom:1px solid var(--line)!important;padding:12px 0 18px}.metric:last-child{border:0!important}.footer-grid{grid-template-columns:1fr}.visual-card{min-height:340px}}

/* roulang page: category4 */
:root{
      --bg:#070b14;
      --panel:#0e1625;
      --panel2:#121e31;
      --panel3:#18253a;
      --line:rgba(174,205,236,.16);
      --line-strong:rgba(66,232,208,.42);
      --text:#f4f8ff;
      --muted:#9eafc5;
      --soft:#d3deed;
      --cyan:#42e8d0;
      --violet:#8c7bff;
      --orange:#ffb86b;
      --danger:#ff719f;
      --radius:22px;
      --radius-sm:14px;
      --shadow:0 20px 70px rgba(0,0,0,.32);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 78% 15%,rgba(66,232,208,.06),transparent 25%),
        var(--bg);
      line-height:1.8;
      letter-spacing:.02em;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.18;
      background-image:linear-gradient(rgba(255,255,255,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.018) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 80%);
    }
    a{color:inherit;text-decoration:none;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
    .container{width:min(var(--container),calc(100% - 48px));margin:auto}
    .site-header{
      position:fixed;
      z-index:20;
      left:0;
      right:0;
      top:0;
      background:rgba(7,11,20,.84);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .navbar{height:78px;display:flex;align-items:center;gap:38px}
    .logo{
      font-size:25px;
      font-weight:900;
      letter-spacing:.08em;
      color:#fff;
      white-space:nowrap;
    }
    .logo i{
      display:inline-block;
      width:8px;
      height:8px;
      margin:0 7px 4px 0;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 14px var(--cyan);
    }
    .nav-list{
      display:flex;
      align-items:center;
      gap:5px;
      list-style:none;
      flex:1;
      padding:0;
      margin:0;
    }
    .nav-list a{
      position:relative;
      padding:10px 14px;
      color:var(--muted);
      font-size:14px;
      white-space:nowrap;
    }
    .nav-list a:after{
      content:"";
      position:absolute;
      left:14px;
      right:14px;
      bottom:3px;
      height:2px;
      background:var(--cyan);
      transform:scaleX(0);
      transition:.25s;
      box-shadow:0 0 12px var(--cyan);
    }
    .nav-list a:hover,.nav-list a.active{color:#fff}
    .nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .nav-note{font-size:12px;color:var(--muted);white-space:nowrap}
    .menu-toggle{
      display:none;
      border:1px solid var(--line);
      background:transparent;
      color:#fff;
      padding:8px 12px;
      border-radius:10px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:12px 22px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      transition:.25s;
    }
    .btn-primary{
      background:var(--cyan);
      color:#061317;
      box-shadow:0 0 24px rgba(66,232,208,.22);
    }
    .btn-primary:hover{
      background:#82f5e5;
      transform:translateY(-2px);
      box-shadow:0 10px 35px rgba(66,232,208,.28);
    }
    .btn-ghost{
      border-color:var(--line);
      color:#eef5ff;
      background:rgba(255,255,255,.04);
    }
    .btn-ghost:hover{
      border-color:var(--cyan);
      color:var(--cyan);
      transform:translateY(-2px);
    }
    .btn-orange{background:var(--orange);color:#231508}
    .btn-orange:hover{background:#ffd198;transform:translateY(-2px)}
    .hero{
      min-height:720px;
      padding:145px 0 90px;
      position:relative;
      display:flex;
      align-items:center;
      overflow:hidden;
      background-image:
        linear-gradient(90deg,rgba(5,9,18,.97) 0%,rgba(5,9,18,.8) 48%,rgba(5,9,18,.28)),
        url("/assets/images/backpic/back-2.webp");
      background-size:cover;
      background-position:center;
    }
    .hero:after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:190px;
      background:linear-gradient(transparent,var(--bg));
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:70px;
      align-items:center;
    }
    .hero-content{max-width:700px}
    .eyebrow,.section-kicker{
      color:var(--cyan);
      font-size:12px;
      letter-spacing:.18em;
      text-transform:uppercase;
      font-weight:800;
    }
    .hero h1{
      font-size:clamp(46px,6.8vw,84px);
      line-height:1.08;
      letter-spacing:-.06em;
      margin:20px 0 24px;
      max-width:760px;
    }
    .hero h1 span{color:var(--cyan)}
    .hero-copy{
      font-size:18px;
      color:#d3deed;
      max-width:650px;
      line-height:2;
    }
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:32px 0 0}
    .hero-side{
      position:relative;
      min-height:410px;
      padding:28px;
      border:1px solid rgba(66,232,208,.28);
      border-radius:30px;
      background:linear-gradient(145deg,rgba(18,35,52,.88),rgba(9,15,26,.82));
      box-shadow:var(--shadow),0 0 60px rgba(66,232,208,.07);
      overflow:hidden;
    }
    .hero-side:before{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      top:-100px;
      right:-55px;
      border:1px solid rgba(66,232,208,.42);
      border-radius:50%;
      box-shadow:0 0 0 18px rgba(66,232,208,.05),0 0 0 38px rgba(66,232,208,.035);
    }
    .status-line{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}
    .status-line strong{font-size:18px}
    .status-dot{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:12px}
    .status-dot i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .shield{
      margin:42px auto 28px;
      width:126px;
      height:144px;
      clip-path:polygon(50% 0,90% 16%,84% 63%,50% 100%,16% 63%,10% 16%);
      display:grid;
      place-items:center;
      background:linear-gradient(145deg,var(--cyan),var(--violet));
      box-shadow:0 0 42px rgba(66,232,208,.26);
    }
    .shield-inner{
      width:112px;
      height:130px;
      clip-path:inherit;
      display:grid;
      place-items:center;
      background:#0b1725;
      color:var(--cyan);
      font-size:44px;
      font-weight:900;
    }
    .hero-side h2{text-align:center;font-size:26px;margin:0 0 8px}
    .hero-side p{text-align:center;color:var(--muted);font-size:13px;margin:0 auto;max-width:300px}
    .signal-row{display:flex;gap:7px;justify-content:center;margin-top:24px}
    .signal-row span{height:4px;width:32px;border-radius:8px;background:var(--line)}
    .signal-row span.active{background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    .section{padding:108px 0;position:relative}
    .section-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:30px;
      margin-bottom:42px;
    }
    .section-head h2{
      font-size:clamp(30px,4vw,52px);
      line-height:1.2;
      letter-spacing:-.04em;
      margin:10px 0 0;
    }
    .section-head p{max-width:510px;color:var(--muted);font-size:15px}
    .lead-copy{max-width:820px;color:var(--soft);font-size:18px;line-height:2}
    .split{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:56px;
      align-items:center;
    }
    .split.reverse{grid-template-columns:1.14fr .86fr}
    .visual-card{
      min-height:430px;
      border-radius:var(--radius);
      overflow:hidden;
      position:relative;
      background-size:cover;
      background-position:center;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .visual-card:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(0deg,rgba(4,8,15,.88),transparent 65%);
    }
    .visual-label{
      position:absolute;
      z-index:1;
      left:28px;
      bottom:24px;
      right:28px;
    }
    .visual-label b{display:block;color:var(--cyan);font-size:12px;letter-spacing:.12em}
    .visual-label strong{display:block;font-size:27px;margin-top:4px}
    .feature-list{display:grid;gap:0}
    .feature-item{
      display:grid;
      grid-template-columns:48px 1fr;
      gap:18px;
      align-items:start;
      padding:23px 0;
      border-bottom:1px solid var(--line);
    }
    .feature-item:last-child{border-bottom:0}
    .feature-icon{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border:1px solid rgba(66,232,208,.38);
      border-radius:13px;
      background:rgba(66,232,208,.08);
      font-weight:900;
    }
    .feature-item h3{font-size:20px;margin:0 0 5px}
    .feature-item p{color:var(--muted);font-size:14px;margin:0}
    .dark-band{
      background:linear-gradient(135deg,#0d1728,#11162a);
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .service-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
    }
    .service-card{
      padding:27px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(14,22,37,.8);
      transition:.3s;
    }
    .service-card:hover{
      transform:translateY(-5px);
      border-color:var(--line-strong);
      box-shadow:var(--shadow);
    }
    .service-card .number{
      color:var(--violet);
      font-size:13px;
      letter-spacing:.15em;
    }
    .service-card h3{font-size:23px;margin:13px 0 8px}
    .service-card p{color:var(--muted);font-size:14px;margin:0}
    .tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .pill{
      display:inline-flex;
      align-items:center;
      padding:5px 11px;
      border-radius:99px;
      background:rgba(140,123,255,.14);
      color:#c9c1ff;
      font-size:12px;
    }
    .scene-layout{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:16px;
      align-items:stretch;
    }
    .scene-card{
      min-height:270px;
      padding:26px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:var(--panel);
      position:relative;
      overflow:hidden;
    }
    .scene-card:first-child{background:linear-gradient(150deg,#17283a,#0d1625)}
    .scene-card:nth-child(2){background:linear-gradient(150deg,#20203b,#111528)}
    .scene-card:nth-child(3){background:linear-gradient(150deg,#30221d,#141725)}
    .scene-card:after{
      content:"";
      position:absolute;
      right:-30px;
      bottom:-50px;
      width:150px;
      height:150px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .scene-card h3{font-size:22px;margin:22px 0 8px}
    .scene-card p{color:var(--muted);font-size:14px;max-width:280px}
    .scene-card span{color:var(--cyan);font-size:13px}
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .process-step{padding:28px 24px 30px;border-right:1px solid var(--line);position:relative}
    .process-step:last-child{border-right:0}
    .process-step em{font-style:normal;color:var(--cyan);font-size:13px;letter-spacing:.12em}
    .process-step h3{font-size:20px;margin:20px 0 8px}
    .process-step p{color:var(--muted);font-size:13px;margin:0}
    .process-step:after{
      content:"→";
      position:absolute;
      top:28px;
      right:-10px;
      z-index:2;
      width:20px;
      height:20px;
      text-align:center;
      color:var(--cyan);
      background:var(--bg);
    }
    .process-step:last-child:after{display:none}
    .proof-layout{
      display:grid;
      grid-template-columns:1fr 1.25fr;
      gap:18px;
    }
    .quote-card{
      padding:34px;
      border-radius:var(--radius);
      background:linear-gradient(140deg,rgba(66,232,208,.12),rgba(140,123,255,.08));
      border:1px solid rgba(66,232,208,.22);
    }
    .quote-mark{font-size:54px;color:var(--cyan);line-height:1}
    .quote-card blockquote{font-size:21px;line-height:1.8;margin:12px 0 30px}
    .quote-card cite{color:var(--muted);font-size:13px;font-style:normal}
    .proof-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .proof-item{padding:25px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}
    .proof-item strong{display:block;color:var(--cyan);font-size:32px;line-height:1.2}
    .proof-item span{display:block;color:var(--muted);font-size:13px;margin-top:8px}
    .price-layout{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:18px;
      align-items:stretch;
    }
    .price-main{
      padding:34px;
      border-radius:var(--radius);
      border:1px solid rgba(255,184,107,.3);
      background:linear-gradient(120deg,#281b1b,#161528);
      position:relative;
      overflow:hidden;
    }
    .price-main:before{
      content:"";
      position:absolute;
      width:230px;
      height:230px;
      right:-60px;
      top:-80px;
      border:35px solid rgba(255,184,107,.15);
      border-radius:50%;
    }
    .price-main h3{font-size:30px;margin:15px 0 8px}
    .price-main p{color:var(--muted);max-width:600px}
    .price-main .price{font-size:42px;font-weight:900;color:var(--orange);margin:20px 0}
    .price-main .price small{font-size:14px;color:var(--muted);font-weight:400}
    .price-list{display:grid;gap:11px;margin:23px 0}
    .price-list div{display:flex;align-items:center;gap:10px;color:#dce6f3;font-size:14px}
    .price-list i{font-style:normal;color:var(--cyan)}
    .notice-card{padding:30px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
    .notice-card h3{font-size:21px;margin:0 0 12px}
    .notice-card p{color:var(--muted);font-size:14px}
    .notice-card a{color:var(--cyan);font-weight:700}
    .faq-list{display:grid;gap:11px;max-width:900px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(14,22,37,.76);overflow:hidden}
    .faq-question{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      border:0;
      background:transparent;
      color:var(--text);
      text-align:left;
      padding:21px 24px;
      font-weight:700;
    }
    .faq-question span:last-child{color:var(--cyan);font-size:22px;transition:.25s}
    .faq-answer{display:none;padding:0 24px 22px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}
    .cta{
      padding:74px 0;
      background:
        linear-gradient(105deg,rgba(66,232,208,.14),rgba(140,123,255,.12)),
        url("/assets/images/backpic/back-3.webp") center/cover;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{font-size:clamp(30px,4vw,52px);line-height:1.2;margin:12px 0}
    .cta p{color:var(--soft);max-width:650px;margin:0}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .site-footer{padding:48px 0 28px;background:#05080f;border-top:1px solid var(--line)}
    .footer-top{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;padding-bottom:35px}
    .footer-brand p{color:var(--muted);font-size:13px;max-width:360px}
    .footer-title{font-weight:800;margin-bottom:15px}
    .footer-links{display:flex;flex-wrap:wrap;gap:9px 18px}
    .footer-links a{color:var(--muted);font-size:13px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      align-items:center;
      padding-top:22px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
    }
    .record-list{display:flex;gap:16px;flex-wrap:wrap}
    .record-list a{color:var(--muted)}
    .record-list a:hover{color:var(--cyan)}
    .reveal{animation:rise .7s both}
    @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
    @media(max-width:1080px){
      .navbar{gap:18px}
      .nav-list a{padding:10px 8px;font-size:13px}
      .nav-actions{display:none}
      .hero-grid{gap:35px}
    }
    @media(max-width:820px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .menu-toggle{display:block;margin-left:auto}
      .nav-list{
        display:none;
        position:absolute;
        top:78px;
        left:17px;
        right:17px;
        padding:12px;
        flex-direction:column;
        align-items:stretch;
        gap:2px;
        border:1px solid var(--line);
        border-radius:16px;
        background:rgba(9,15,27,.98);
        box-shadow:var(--shadow);
      }
      .nav-list.open{display:flex}
      .nav-list a{display:block;padding:12px 15px}
      .hero{padding-top:125px;min-height:auto}
      .hero-grid,.split,.split.reverse,.price-layout,.proof-layout{grid-template-columns:1fr}
      .hero-side{max-width:560px}
      .scene-layout{grid-template-columns:1fr 1fr}
      .process{grid-template-columns:1fr 1fr}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .process-step:nth-child(2):after{display:none}
      .process-step:nth-child(3):after{display:block}
      .footer-top{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .cta-box{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .section{padding:78px 0}
      .hero h1{font-size:48px}
      .hero-copy{font-size:16px}
      .hero-actions .btn{width:100%}
      .hero-side{min-height:360px;padding:22px}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:17px}
      .service-grid,.scene-layout,.proof-list{grid-template-columns:1fr}
      .process{grid-template-columns:1fr}
      .process-step{border-right:0!important;border-bottom:1px solid var(--line)!important}
      .process-step:last-child{border-bottom:0!important}
      .process-step:after{display:none!important}
      .footer-top{grid-template-columns:1fr}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block}
      .record-list{margin-top:12px}
      .price-main,.notice-card,.quote-card{padding:25px}
    }

/* roulang page: category5 */
:root{
 --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--line:rgba(174,205,236,.16);
 --text:#f4f8ff;--muted:#9eafc5;--cyan:#42e8d0;--violet:#8c7bff;
 --orange:#ffb86b;--danger:#ff719f;--radius:22px;--shadow:0 20px 70px rgba(0,0,0,.32);
 --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,black,transparent 80%);z-index:-1}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:fixed;z-index:20;left:0;right:0;top:0;background:rgba(7,11,20,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.navbar{height:78px;display:flex;align-items:center;gap:38px}
.logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
.logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1}
.nav-list a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px}
.nav-list a:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
.nav-list a:hover,.nav-list a.active{color:#fff}
.nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-note{font-size:12px;color:var(--muted)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
.btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
.btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#231508}
.hero{padding:148px 0 84px;min-height:650px;position:relative;overflow:hidden;background-image:linear-gradient(90deg,rgba(5,9,18,.97),rgba(5,9,18,.72)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:150px;background:linear-gradient(transparent,var(--bg))}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.2fr .9fr;gap:28px;align-items:center}
.hero-copy h1{font-size:clamp(42px,6vw,76px);line-height:1.08;letter-spacing:-.06em;margin:16px 0 22px}
.hero-copy h1 span{color:var(--cyan)}
.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:800}
.hero-copy p{color:#d3deed;font-size:16px;max-width:390px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.side-note{border:1px solid var(--line);border-radius:18px;padding:23px;background:rgba(10,18,32,.72);box-shadow:var(--shadow)}
.side-note strong{display:block;color:var(--orange);font-size:13px;margin-bottom:8px}
.side-note h3{font-size:21px;line-height:1.4;margin-bottom:8px}
.side-note p{color:var(--muted);font-size:13px}
.guide-stage{position:relative;border:1px solid rgba(66,232,208,.4);border-radius:28px;padding:14px;background:rgba(9,16,29,.72);box-shadow:0 0 55px rgba(66,232,208,.12)}
.guide-stage img{height:360px;border-radius:20px}
.stage-panel{position:absolute;right:-18px;bottom:24px;width:190px;padding:16px;border:1px solid rgba(140,123,255,.48);border-radius:16px;background:rgba(13,21,38,.95);box-shadow:0 16px 38px rgba(0,0,0,.35)}
.stage-panel small{color:var(--muted);font-size:11px}
.stage-panel b{display:block;font-size:18px;color:var(--cyan);margin:3px 0}
.section{padding:108px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.04em;margin-top:10px}
.section-head p{max-width:520px;color:var(--muted);font-size:15px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.12);transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(66,232,208,.52);box-shadow:var(--shadow)}
.card h3{font-size:21px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px}
.icon-box{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;color:var(--cyan);background:rgba(66,232,208,.1);border:1px solid rgba(66,232,208,.25);font-weight:900;font-size:19px;margin-bottom:22px}
.pill{display:inline-flex;align-items:center;padding:5px 11px;border-radius:99px;background:rgba(140,123,255,.14);color:#c9c1ff;font-size:12px}
.feature-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;align-items:stretch}
.visual-card{min-height:450px;border-radius:var(--radius);overflow:hidden;position:relative;background-size:cover;background-position:center}
.visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,8,15,.94),transparent 70%)}
.visual-content{position:absolute;z-index:1;left:30px;right:30px;bottom:28px}
.visual-content h3{font-size:28px;line-height:1.35;margin:12px 0 8px}
.visual-content p{font-size:14px;color:#d0dbea}
.check-list{display:grid;gap:0}
.check-item{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:21px 0;border-bottom:1px solid var(--line)}
.check-item:last-child{border-bottom:0}
.check-item b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;color:#061317;background:var(--cyan);font-size:13px}
.check-item h3{font-size:18px;margin-bottom:4px}
.check-item p{font-size:13px;color:var(--muted)}
.step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.step-line:before{content:"";position:absolute;left:8%;right:8%;top:25px;border-top:1px dashed rgba(66,232,208,.45)}
.step{position:relative;z-index:1;padding:0 18px;text-align:center}
.step-num{width:50px;height:50px;margin:0 auto 18px;display:grid;place-items:center;border-radius:50%;background:var(--panel2);border:1px solid var(--cyan);color:var(--cyan);font-weight:900;box-shadow:0 0 22px rgba(66,232,208,.14)}
.step h3{font-size:17px;margin-bottom:7px}
.step p{font-size:13px;color:var(--muted)}
.cover-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.cover-card{border-radius:var(--radius);overflow:hidden;background:var(--panel);border:1px solid var(--line)}
.cover-card img{height:230px}
.cover-card .card-body{padding:24px}
.cover-card h3{font-size:23px;margin:9px 0}
.cover-card p{color:var(--muted);font-size:14px}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:rgba(14,22,37,.72);overflow:hidden}
.data-point{padding:28px;border-right:1px solid var(--line)}
.data-point:last-child{border-right:0}
.data-point strong{display:block;color:var(--cyan);font-size:29px;line-height:1.2}
.data-point span{display:block;color:var(--muted);font-size:13px;margin-top:7px}
.notice{display:flex;gap:18px;align-items:flex-start;padding:23px 26px;border:1px solid rgba(255,184,107,.3);background:rgba(255,184,107,.07);border-radius:18px}
.notice b{color:var(--orange);white-space:nowrap}
.notice p{font-size:14px;color:#d7dfeb}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:rgba(14,22,37,.75);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:700;position:relative;padding-right:55px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:24px;color:var(--cyan);font-size:23px;top:14px}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 24px 21px;color:var(--muted);font-size:14px}
.cta{padding:62px 0;background:linear-gradient(110deg,rgba(66,232,208,.13),rgba(140,123,255,.12));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(28px,4vw,47px);line-height:1.25;margin:10px 0}
.cta p{color:var(--muted);max-width:650px;font-size:14px}
.site-footer{padding:54px 0 30px;background:#050811}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer-brand p{color:var(--muted);font-size:13px;max-width:420px;margin-top:14px}
.footer-title{font-size:14px;color:#fff;margin-bottom:15px}
.footer-links{display:grid;gap:8px;list-style:none}
.footer-links a{color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:24px;color:var(--muted);font-size:12px}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--cyan)}
:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
@media(max-width:1024px){
 .navbar{gap:18px}.nav-list a{padding:10px 8px;font-size:13px}
 .hero-grid{grid-template-columns:1fr 1.25fr}.hero-grid .side-note{display:none}
 .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .navbar{height:70px}.nav-actions{margin-left:auto}.nav-note{display:none}.menu-toggle{display:block}
 .nav-list{display:none;position:absolute;left:16px;right:16px;top:78px;padding:13px;flex-direction:column;align-items:stretch;background:rgba(10,17,29,.98);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
 .nav-list.open{display:flex}.nav-list a{display:block;padding:11px 14px}
 .hero{padding:125px 0 70px}.hero-grid{grid-template-columns:1fr}.guide-stage{order:2}.hero-copy{order:1}.guide-stage img{height:285px}.stage-panel{right:12px;bottom:14px}
 .section{padding:78px 0}.section-head{display:block}.section-head p{margin-top:15px}
 .grid-3,.feature-layout,.cover-grid{grid-template-columns:1fr}
 .step-line{grid-template-columns:repeat(2,1fr);gap:30px}.step-line:before{display:none}
 .data-strip{grid-template-columns:repeat(2,1fr)}.data-point:nth-child(2){border-right:0}.data-point:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .cta-box{display:block}.cta-box .btn{margin-top:23px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 .logo{font-size:21px}.hero-copy h1{font-size:45px}.hero-copy p{font-size:15px}
 .hero-actions .btn{width:100%}.grid-4{grid-template-columns:1fr}
 .step-line{grid-template-columns:1fr}.data-strip{grid-template-columns:1fr}.data-point{border-right:0!important;border-bottom:1px solid var(--line)}.data-point:last-child{border-bottom:0}
 .notice{display:block}.notice b{display:block;margin-bottom:8px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:10px}
}

/* roulang page: category6 */
:root{
 --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--line:rgba(174,205,236,.16);
 --text:#f4f8ff;--muted:#9eafc5;--cyan:#42e8d0;--violet:#8c7bff;
 --orange:#ffb86b;--danger:#ff719f;--radius:22px;--shadow:0 20px 70px rgba(0,0,0,.32);
 --container:1180px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 80% 8%,rgba(66,232,208,.07),transparent 28%),radial-gradient(circle at 8% 60%,rgba(140,123,255,.06),transparent 24%);z-index:-1}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:fixed;z-index:20;left:0;right:0;top:0;background:rgba(7,11,20,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.navbar{height:78px;display:flex;align-items:center;gap:38px}
.logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
.logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1;margin:0;padding:0}
.nav-list a{position:relative;padding:10px 14px;color:var(--muted);font-size:14px}
.nav-list a:after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
.nav-list a:hover,.nav-list a.active{color:#fff}
.nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-note{font-size:12px;color:var(--muted)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
.btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
.btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#231508}
.hero{min-height:680px;padding:142px 0 88px;position:relative;overflow:hidden;background-image:linear-gradient(90deg,rgba(5,9,18,.98) 0%,rgba(5,9,18,.76) 47%,rgba(5,9,18,.22)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:170px;background:linear-gradient(transparent,var(--bg))}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.04fr .96fr;gap:70px;align-items:center}
.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;font-weight:800}
.hero h1{font-size:clamp(46px,7vw,82px);line-height:1.08;letter-spacing:-.06em;margin:18px 0 22px}
.hero h1 span{color:var(--cyan)}
.hero-copy{font-size:18px;color:#d3deed;max-width:620px;line-height:2}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin:30px 0}
.paper{background:rgba(13,22,37,.9);border:1px solid rgba(66,232,208,.32);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transform:rotate(1deg)}
.paper img{height:210px;border-radius:15px;margin-bottom:22px}
.paper-head{display:flex;justify-content:space-between;gap:20px;align-items:start}
.paper h2{font-size:22px;line-height:1.35;margin:0 0 8px}
.paper p{font-size:13px;color:var(--muted);margin:0}
.paper-list{margin:18px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}
.paper-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:13px;color:#d8e5f4}
.paper-list b{color:var(--cyan);margin-right:8px}
.section{padding:105px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}
.section-head h2{font-size:clamp(30px,4vw,50px);line-height:1.2;letter-spacing:-.04em;margin:10px 0 0}
.section-head p{max-width:510px;color:var(--muted);font-size:15px}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
.lead{font-size:22px;line-height:1.65;color:#eaf5ff}
.muted{color:var(--muted)}
.card{background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 30px rgba(0,0,0,.12);transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(66,232,208,.52);box-shadow:var(--shadow)}
.card h3{font-size:20px;margin:0 0 9px}
.card p{color:var(--muted);font-size:14px;margin:0}
.news-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
.feature-news{min-height:385px;padding:34px;display:flex;flex-direction:column;justify-content:end;background-image:linear-gradient(0deg,rgba(5,9,17,.96),rgba(5,9,17,.08)),url("/assets/images/coverpic/cover-8.webp");background-size:cover;background-position:center}
.feature-news h3{font-size:30px;line-height:1.35;max-width:620px}
.feature-news p{color:#d0dceb;max-width:650px;font-size:14px}
.side-news{display:grid;gap:18px}
.side-news .card{padding:24px}
.badge{display:inline-flex;padding:5px 11px;border-radius:99px;background:rgba(140,123,255,.15);color:#c9c1ff;font-size:12px}
.news-meta{display:flex;justify-content:space-between;gap:15px;color:var(--cyan);font-size:12px;margin-bottom:13px}
.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.module{padding:0;overflow:hidden}
.module img{height:145px}
.module-body{padding:20px}
.module small{color:var(--cyan)}
.module h3{font-size:17px;margin:6px 0}
.module p{font-size:13px}
.timeline{border-left:1px solid rgba(66,232,208,.45);margin-left:12px}
.step{position:relative;padding:0 0 30px 38px}
.step:before{content:"";position:absolute;left:-7px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
.step strong{color:var(--cyan);font-size:13px}
.step h3{margin:5px 0;font-size:20px}
.step p{margin:0;color:var(--muted);font-size:14px}
.quote{padding:45px 55px;border:1px solid rgba(255,184,107,.3);border-radius:var(--radius);background:linear-gradient(120deg,#281b1b,#161528)}
.quote p{font-size:25px;line-height:1.65;margin:0 0 20px}
.quote span{color:var(--orange);font-size:13px}
.faq{max-width:850px;margin:auto}
.faq-item{border-top:1px solid var(--line)}
.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:21px 0;background:none;border:0;color:var(--text);text-align:left;font-weight:700}
.faq-question b{font-size:22px;color:var(--cyan);transition:.25s}
.faq-answer{display:none;color:var(--muted);font-size:14px;padding:0 35px 20px 0}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question b{transform:rotate(45deg)}
.cta{padding:70px;border-radius:var(--radius);background:linear-gradient(110deg,rgba(66,232,208,.16),rgba(140,123,255,.16));border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:38px;line-height:1.25;margin:10px 0}
.cta p{color:var(--muted);max-width:630px}
.footer{padding:54px 0 28px;border-top:1px solid var(--line);background:#060a12}
.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:34px}
.footer-brand p{color:var(--muted);max-width:400px;font-size:13px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap;align-items:start}
.footer-links a{color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;color:#73849b;font-size:12px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
input:focus,button:focus,a:focus{outline:2px solid var(--cyan);outline-offset:3px}
@media(max-width:1024px){.nav-list{gap:0}.nav-list a{padding:10px 8px;font-size:13px}.navbar{gap:18px}.hero-grid{gap:35px}.module-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.menu-toggle{display:block}.nav-actions{margin-left:auto}.nav-note{display:none}.nav-list{display:none;position:absolute;left:16px;right:16px;top:70px;padding:12px;background:rgba(14,22,37,.98);border:1px solid var(--line);border-radius:16px;flex-direction:column;align-items:stretch}.nav-list.show{display:flex}.nav-list a{display:block}.hero{padding-top:125px}.hero-grid,.split,.news-grid{grid-template-columns:1fr}.paper{transform:none;max-width:600px}.section{padding:78px 0}.section-head{display:block}.section-head p{margin-top:18px}.cta{display:block;padding:35px 28px}.cta .btn{margin-top:15px}.footer-top{display:block}.footer-links{margin-top:25px}}
@media(max-width:520px){.hero h1{font-size:48px}.hero-copy{font-size:16px}.hero-actions .btn{width:100%}.module-grid{grid-template-columns:1fr}.quote{padding:30px 24px}.quote p{font-size:20px}.paper img{height:165px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category7 */
:root{
 --bg:#070b14;--panel:#0e1625;--panel2:#121e31;--panel3:#18253a;
 --line:rgba(174,205,236,.16);--line-strong:rgba(66,232,208,.42);
 --text:#f4f8ff;--muted:#9eafc5;--soft:#d3deed;--cyan:#42e8d0;
 --violet:#8c7bff;--orange:#ffb86b;--pink:#ff719f;--radius:22px;
 --radius-sm:14px;--shadow:0 20px 70px rgba(0,0,0,.32);--container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.8;letter-spacing:.02em}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 80% 10%,rgba(140,123,255,.08),transparent 30%),radial-gradient(circle at 15% 60%,rgba(66,232,208,.05),transparent 28%);z-index:-1}
a{color:inherit;text-decoration:none;transition:.25s ease}
img{display:block;width:100%;object-fit:cover}
button,input{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:auto}
.site-header{position:fixed;z-index:20;left:0;right:0;top:0;background:rgba(7,11,20,.84);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.navbar{height:78px;display:flex;align-items:center;gap:38px}
.logo{font-size:25px;font-weight:900;letter-spacing:.08em;color:#fff;white-space:nowrap}
.logo i{display:inline-block;width:8px;height:8px;margin:0 7px 4px 0;border-radius:50%;background:var(--cyan);box-shadow:0 0 14px var(--cyan)}
.nav-list{display:flex;align-items:center;gap:5px;list-style:none;flex:1}
.nav-list a{position:relative;padding:10px 13px;color:var(--muted);font-size:14px}
.nav-list a:after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--cyan);transform:scaleX(0);transition:.25s}
.nav-list a:hover,.nav-list a.active{color:#fff}
.nav-list a:hover:after,.nav-list a.active:after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-note{font-size:12px;color:var(--muted)}
.menu-toggle{display:none;border:1px solid var(--line);background:transparent;color:#fff;padding:8px 12px;border-radius:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;transition:.25s}
.btn-primary{background:var(--cyan);color:#061317;box-shadow:0 0 24px rgba(66,232,208,.22)}
.btn-primary:hover{background:#82f5e5;transform:translateY(-2px);box-shadow:0 10px 35px rgba(66,232,208,.28)}
.btn-ghost{border-color:var(--line);color:#eef5ff;background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#231508}
.hero{min-height:650px;padding:150px 0 90px;position:relative;display:flex;align-items:center;overflow:hidden;background-image:linear-gradient(90deg,rgba(5,9,18,.96),rgba(5,9,18,.66) 52%,rgba(5,9,18,.2)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:150px;background:linear-gradient(transparent,var(--bg))}
.hero-content{position:relative;z-index:1;max-width:760px}
.eyebrow,.section-kicker{color:var(--cyan);font-size:12px;letter-spacing:.18em;font-weight:800}
.hero h1{font-size:clamp(46px,7vw,86px);line-height:1.08;letter-spacing:-.06em;margin:20px 0}
.hero h1 span{color:var(--cyan)}
.hero-copy{font-size:18px;color:var(--soft);max-width:700px;line-height:2}
.hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:32px}
.sticker{position:absolute;right:9%;top:29%;z-index:2;width:132px;height:132px;border:1px solid rgba(255,184,107,.7);border-radius:50%;display:grid;place-items:center;text-align:center;color:var(--orange);font-weight:800;font-size:14px;line-height:1.4;transform:rotate(12deg);background:rgba(30,19,24,.74);box-shadow:0 0 35px rgba(255,184,107,.16)}
.section{padding:108px 0;position:relative}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:42px}
.section-head h2{font-size:clamp(30px,4vw,52px);line-height:1.2;letter-spacing:-.04em;margin-top:10px}
.section-head p{max-width:530px;color:var(--muted);font-size:15px}
.intro{display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;align-items:start}
.intro h2{font-size:clamp(32px,4vw,55px);line-height:1.2;letter-spacing:-.05em}
.intro h2 em{color:var(--cyan);font-style:normal}
.intro-copy{font-size:17px;color:var(--soft);line-height:2}
.intro-copy p+p{margin-top:20px}
.quote{margin-top:28px;border-left:3px solid var(--cyan);padding:12px 0 12px 22px;color:#fff;font-size:20px}
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.time-item{background:var(--panel);padding:30px 25px;min-height:220px;transition:.3s}
.time-item:hover{background:var(--panel2)}
.time-item strong{font-size:30px;color:var(--cyan);display:block;margin-bottom:22px}
.time-item h3{font-size:19px;margin-bottom:9px}
.time-item p{color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:stretch}
.visual-card{min-height:440px;border-radius:var(--radius);overflow:hidden;position:relative;background-size:cover;background-position:center}
.visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,8,15,.9),transparent 65%)}
.visual-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:26px}
.visual-caption h3{font-size:28px;margin-bottom:8px}
.visual-caption p{color:var(--soft);font-size:14px}
.values{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.value{padding:27px;background:linear-gradient(145deg,rgba(19,31,50,.95),rgba(10,17,29,.95));border:1px solid var(--line);border-radius:var(--radius-sm);transition:.3s}
.value:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.value b{display:flex;align-items:center;gap:12px;color:var(--cyan);font-size:14px;margin-bottom:12px}
.value b span{width:29px;height:29px;border-radius:9px;background:rgba(66,232,208,.13);display:grid;place-items:center}
.value h3{font-size:20px;margin-bottom:8px}
.value p{font-size:14px;color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:30px 20px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:38px;color:var(--text);letter-spacing:-.05em}
.stat strong i{font-style:normal;color:var(--cyan);font-size:20px}
.stat span{color:var(--muted);font-size:13px}
.note-panel{padding:34px;border-radius:var(--radius);background:linear-gradient(120deg,#171d36,#101827);border:1px solid rgba(140,123,255,.3)}
.note-panel h3{font-size:27px;margin-bottom:12px}
.note-panel p{color:var(--muted);max-width:800px}
.note-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:26px}
.note-list div{padding:19px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;color:var(--soft);font-size:14px}
.faq-list{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;padding:22px 0;background:none;border:0;color:var(--text);font-size:17px;font-weight:700}
.faq-q span{color:var(--cyan);font-size:24px;transition:.25s}
.faq-a{display:none;color:var(--muted);font-size:14px;padding:0 40px 22px 0}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q span{transform:rotate(45deg)}
.cta{padding:76px 50px;border:1px solid var(--line-strong);border-radius:var(--radius);background:radial-gradient(circle at 85% 10%,rgba(66,232,208,.16),transparent 35%),var(--panel);display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(30px,4vw,52px);line-height:1.2}
.cta p{color:var(--muted);margin-top:12px;max-width:650px}
.site-footer{padding:48px 0 26px;border-top:1px solid var(--line);background:#050810}
.footer-main{display:flex;justify-content:space-between;gap:30px;padding-bottom:35px}
.footer-brand p{color:var(--muted);font-size:13px;margin-top:10px;max-width:360px}
.footer-links{display:flex;gap:20px;align-items:flex-start;color:var(--muted);font-size:13px}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#73839a;font-size:12px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--cyan)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
@media(max-width:1024px){
 .navbar{gap:18px}.nav-list a{padding:9px 7px;font-size:13px}.nav-note{display:none}
 .intro{gap:35px}.timeline{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .navbar{height:70px}.menu-toggle{display:block}.nav-actions{margin-left:auto}
 .nav-list{display:none;position:absolute;top:70px;left:16px;right:16px;padding:12px;background:rgba(14,22,37,.98);border:1px solid var(--line);border-radius:16px;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}
 .nav-list.show{display:flex}.nav-list a{display:block;padding:12px 15px}
 .hero{min-height:650px;padding:135px 0 80px}.hero h1{font-size:clamp(43px,13vw,70px)}.hero-copy{font-size:16px}
 .sticker{right:5%;top:19%;width:94px;height:94px;font-size:11px}
 .section{padding:75px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}
 .intro,.split{grid-template-columns:1fr;gap:28px}.visual-card{min-height:350px}
 .stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
 .note-list,.values{grid-template-columns:1fr}
 .cta{display:block;padding:38px 25px}.cta .btn{margin-top:25px}
 .footer-main{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}
}
@media(max-width:520px){
 .hero-actions .btn{width:100%}.timeline{grid-template-columns:1fr}.time-item{min-height:auto}
 .stats{grid-template-columns:1fr}.stat{border-right:0!important;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}
 .footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}
}