/* roulang page: index */
:root{
      --ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;
      --violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;
      --card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);
      --soft-shadow:0 9px 28px rgba(25,38,72,.08);
    }
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;background:var(--cream)}
    a{text-decoration:none;color:inherit;transition:.25s ease}img{max-width:100%;display:block}button{font:inherit}
    .container{max-width:1180px}.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}.nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:28px;color:#fff}
    .brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}.brand em{font-style:normal;color:var(--mint)}
    .nav-side{display:flex;align-items:center;gap:18px;flex:1}.nav-side:last-child{justify-content:flex-end}.nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--mint)}
    .nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px}.nav-cta:hover{background:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px}.hero{min-height:760px;padding:180px 0 90px;position:relative;background:linear-gradient(90deg,rgba(8,18,41,.91),rgba(16,29,53,.60)),url('/assets/images/backpic/back-1.webp') center/cover;overflow:hidden;color:#fff}.hero:after{content:"";position:absolute;inset:auto -10% -180px 30%;height:300px;background:var(--cream);border-radius:50% 50% 0 0}
    .hero-content{position:relative;z-index:2;max-width:760px}.eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-weight:700;font-size:13px;letter-spacing:1px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}h1{font-size:clamp(42px,6vw,78px);line-height:1.15;letter-spacing:-3px;margin:21px 0 22px;font-weight:850}.hero p{font-size:18px;line-height:1.9;color:rgba(255,255,255,.84);max-width:690px}.actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:30px}.btn-main,.btn-outline{border-radius:999px;padding:13px 24px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center}.btn-main{background:var(--mint);color:var(--navy)}.btn-main:hover{background:#fff;color:var(--navy);transform:translateY(-3px);box-shadow:0 10px 24px #0003}.btn-outline{border-color:rgba(255,255,255,.4);color:#fff}.btn-outline:hover{border-color:var(--mint);color:var(--mint)}.hero-meta{display:flex;gap:30px;margin-top:58px}.hero-meta strong{display:block;font-size:25px;color:#fff}.hero-meta span{font-size:13px;color:rgba(255,255,255,.6)}
    section{padding:92px 0}.section-head{max-width:680px;margin-bottom:42px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center}.kicker{font-size:12px;color:var(--blue);font-weight:800;letter-spacing:2px;text-transform:uppercase}.section-head h2{font-size:clamp(29px,4vw,45px);line-height:1.25;letter-spacing:-1.5px;margin:10px 0 15px}.section-head p{color:var(--muted);margin:0}.trust{padding:25px 0;background:#fff;border-bottom:1px solid var(--line)}.trust-row{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.trust-item{display:flex;align-items:center;gap:11px;color:var(--muted);font-size:14px}.trust-icon{width:34px;height:34px;border-radius:12px;background:#e9f9f2;color:#219c72;display:grid;place-items:center;font-weight:800}
    .intro{background:#fff}.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}.intro-copy p{color:var(--muted);font-size:16px}.intro-image{position:relative}.intro-image img{border-radius:var(--radius);height:430px;width:100%;object-fit:cover;box-shadow:var(--shadow)}.image-note{position:absolute;bottom:22px;left:22px;background:#fff;padding:16px 20px;border-radius:16px;box-shadow:var(--soft-shadow);font-weight:700}.image-note small{display:block;color:var(--muted);font-weight:400}
    .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card,.scenario,.social-box,.preview-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.28s}.feature-card:hover,.scenario:hover,.preview-box:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.feature-card:nth-child(2){background:var(--navy);color:#fff}.feature-card:nth-child(2) p{color:#b9c4d9}.number{font-size:13px;color:var(--blue);font-weight:800}.feature-card h3{font-size:21px;margin:17px 0 10px}.feature-card p{color:var(--muted);font-size:14px;margin:0}
    .topics{background:#eef1fb}.topic-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.topic{min-height:150px;border-radius:20px;padding:20px;background:#fff;border:1px solid #e1e5f1;display:flex;flex-direction:column;justify-content:space-between}.topic:hover{background:var(--navy);color:#fff}.topic strong{font-size:16px}.topic span{font-size:12px;color:var(--muted)}.topic:hover span{color:#c4cce0}
    .compare{background:#fff}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}.compare table{min-width:760px;margin:0}.compare th{background:var(--navy);color:#fff;padding:20px;text-align:left;font-weight:700}.compare td{padding:19px 20px;border-bottom:1px solid var(--line);color:var(--muted)}.compare tr:last-child td{border-bottom:0}.compare td:first-child{color:var(--ink);font-weight:700}.yes{color:#15966c;font-weight:800}.dash{color:#b0b8c6}
    .scenarios{background:#f0f3fb}.scenario-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.scenario.large{grid-row:span 2;background:linear-gradient(140deg,#202e58,#5369d6);color:#fff}.scenario.large p{color:#dae1f6}.scenario img{width:100%;height:175px;object-fit:cover;border-radius:17px;margin-bottom:20px}.scenario.large img{height:270px}.scenario p{color:var(--muted);font-size:14px}.scenario a{color:var(--blue);font-weight:700;font-size:13px}.scenario.large a{color:var(--mint)}
    .steps{background:#fff}.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:0}.step{position:relative;padding:0 25px 0 0}.step:not(:last-child):after{content:"→";position:absolute;right:17px;top:11px;color:var(--blue);font-size:22px}.step-no{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e7ecff;color:var(--blue);font-weight:800}.step h3{font-size:18px;margin:15px 0 7px}.step p{font-size:14px;color:var(--muted)}
    .membership{background:linear-gradient(135deg,#111e37,#2d3f74);color:#fff}.membership .section-head p{color:#bdc7dc}.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tier{padding:30px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);background:rgba(255,255,255,.07)}.tier.featured{background:#fff;color:var(--ink);transform:translateY(-12px)}.tier h3{font-size:23px;margin:10px 0}.tier-price{font-size:33px;font-weight:800;margin:15px 0}.tier small,.tier li{color:#bac5da;font-size:14px}.tier.featured small,.tier.featured li{color:var(--muted)}.tier ul{list-style:none;padding:0;margin:20px 0}.tier li{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.1)}.tier.featured li{border-color:var(--line)}.tier li:before{content:"✓";color:var(--mint);margin-right:8px}.tier .btn-main{width:100%}
    .preview{background:#fff}.preview-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px}.preview-box img{height:190px;object-fit:cover;border-radius:17px;margin-bottom:17px}.preview-box h3{font-size:19px}.preview-box p{font-size:14px;color:var(--muted)}
    .news{background:#f0f3fb}.news-layout{display:grid;grid-template-columns:1fr 320px;gap:26px}.news-list{background:#fff;border-radius:var(--radius);padding:12px 28px}.news-item{display:grid;grid-template-columns:90px 1fr auto;gap:20px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-item:last-child{border:0}.news-date{font-size:13px;color:var(--blue);font-weight:700}.news-item h3{font-size:17px;margin:0 0 5px}.news-item p{font-size:13px;color:var(--muted);margin:0}.more{font-size:13px;color:var(--blue);font-weight:700;white-space:nowrap}.news-side{background:var(--navy);color:#fff;border-radius:var(--radius);padding:28px}.news-side p{color:#b9c5dc;font-size:14px}.news-side ul{padding-left:18px;color:#dce3f2;font-size:14px}
    .social{background:#fff}.social-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.social-box h3{font-size:20px}.quote{font-size:17px;color:var(--ink)}.quote:before{content:"“";color:var(--violet);font-size:45px;line-height:0;vertical-align:-15px;margin-right:5px}.stars{color:#f2b84b;letter-spacing:4px}.logos{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.logo-pill{padding:10px 15px;border-radius:12px;background:#f0f2f8;color:var(--muted);font-size:13px}
    .timeline{background:#f0f3fb}.timeline-list{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.milestone{padding:22px;border-left:3px solid var(--blue);background:#fff;border-radius:0 18px 18px 0}.milestone b{color:var(--blue);font-size:13px}.milestone h3{font-size:17px;margin:10px 0}.milestone p{font-size:13px;color:var(--muted);margin:0}
    .open{background:#fff}.open-panel{border-radius:30px;background:linear-gradient(110deg,#e3fff3,#eef0ff);padding:50px;display:flex;justify-content:space-between;align-items:center;gap:30px}.open-panel h2{font-size:35px;margin:0 0 10px}.open-panel p{color:var(--muted);max-width:650px;margin:0}
    .faq{background:#fff}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700;padding:22px 0}.accordion-body{color:var(--muted);font-size:14px;padding:0 0 22px}.accordion-button:after{background-size:14px}
    footer{background:var(--navy);color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer-brand p{color:#aebbd1;font-size:14px;max-width:360px}.footer-title{font-weight:700;margin-bottom:13px}.footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}.footer-links a:hover{color:var(--mint)}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    :focus-visible{outline:3px solid #91eecb;outline-offset:3px}
    @media(max-width:1024px){.nav-shell{gap:15px}.nav-side{gap:10px}.topic-grid{grid-template-columns:repeat(3,1fr)}.intro-grid{gap:35px}.hero{min-height:700px}}
    @media(max-width:768px){.site-header{top:10px}.nav-shell{justify-content:space-between}.nav-side{display:none}.nav-side.mobile-open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--navy);padding:15px;border-radius:18px}.nav-side.mobile-open:last-child{justify-content:flex-start}.menu-toggle{display:block}.hero{padding-top:155px;min-height:720px}.intro-grid,.scenario-grid,.preview-grid,.news-layout,.social-grid{grid-template-columns:1fr}.feature-grid,.tier-grid{grid-template-columns:1fr}.tier.featured{transform:none}.step-row,.timeline-list{grid-template-columns:1fr 1fr;gap:25px}.step:not(:last-child):after{display:none}.open-panel{display:block;padding:32px}.open-panel .btn-main{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.news-item{grid-template-columns:80px 1fr}.news-item .more{grid-column:2}.hero-meta{gap:20px}}
    @media(max-width:520px){section{padding:65px 0}.brand{font-size:18px}.hero h1{letter-spacing:-2px}.hero p{font-size:16px}.hero-meta strong{font-size:21px}.topic-grid{grid-template-columns:1fr 1fr}.step-row,.timeline-list,.footer-grid{grid-template-columns:1fr}.news-list{padding:8px 18px}.news-item{display:block}.news-date{margin-bottom:6px}.news-item h3{margin-bottom:5px}.news-item .more{display:inline-block;margin-top:8px}.open-panel h2{font-size:28px}}

/* roulang page: category1 */
:root{--ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;--violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;--card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);--soft-shadow:0 9px 28px rgba(25,38,72,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;background:var(--cream)}a{text-decoration:none;color:inherit;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1180px}
.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}.nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff}.brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}.brand em{font-style:normal;color:var(--mint)}.nav-side{display:flex;align-items:center;gap:10px;flex:1}.nav-side:last-child{justify-content:flex-end}.nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--mint)}.nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px;white-space:nowrap}.nav-cta:hover{background:#fff;transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px}
.hero-guide{min-height:690px;padding:168px 0 95px;position:relative;overflow:hidden;color:#fff;background:linear-gradient(90deg,rgba(8,18,41,.93),rgba(16,29,53,.52)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-guide:after{content:"";position:absolute;width:560px;height:560px;right:-140px;bottom:-240px;border-radius:50%;border:1px solid rgba(167,240,208,.3);box-shadow:0 0 0 45px rgba(167,240,208,.05),0 0 0 90px rgba(167,240,208,.04)}.hero-content{position:relative;z-index:1;max-width:735px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:1.2px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}h1{font-size:clamp(38px,5.2vw,66px);line-height:1.14;letter-spacing:-2px;margin:18px 0}.hero-guide p{font-size:18px;line-height:1.95;color:rgba(255,255,255,.84);max-width:675px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:31px}.btn-main,.btn-outline,.btn-dark{border-radius:999px;padding:13px 24px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;transition:.25s}.btn-main{background:var(--mint);color:var(--navy)}.btn-main:hover{background:#fff;transform:translateY(-3px);box-shadow:0 10px 24px #0003}.btn-outline{border-color:rgba(255,255,255,.42);color:#fff}.btn-outline:hover{border-color:var(--mint);color:var(--mint)}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:var(--blue);color:#fff;transform:translateY(-3px)}
.video-note{margin-top:48px;display:flex;align-items:center;gap:15px;color:rgba(255,255,255,.75);font-size:14px}.play-button{width:52px;height:52px;border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.11);border-radius:50%;color:#fff;display:grid;place-items:center;cursor:pointer;transition:.25s}.play-button:hover,.play-button:focus{background:var(--mint);color:var(--navy);outline:none;transform:scale(1.07)}
section{padding:88px 0}.section-head{max-width:735px;margin-bottom:38px}.section-head.center{text-align:center;margin-left:auto;margin-right:auto}.section-head h2{font-size:clamp(29px,4vw,44px);line-height:1.27;letter-spacing:-1.5px;margin:10px 0 14px}.section-head p{margin:0;color:var(--muted)}.badge-soft{display:inline-flex;padding:6px 12px;border-radius:99px;background:#eaf0ff;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.5px}
.quick-bar{margin-top:-38px;position:relative;z-index:3}.quick-inner{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:23px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.quick-item{display:flex;align-items:center;gap:12px}.quick-num{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#eef2ff;color:var(--blue);font-size:15px;font-weight:800}.quick-item strong{display:block;font-size:14px}.quick-item span{font-size:12px;color:var(--muted)}
.rule-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:stretch}.rule-card,.info-card,.scene-card,.stage-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--soft-shadow)}.rule-card{padding:36px}.rule-card h3{font-size:25px;margin:0 0 15px}.rule-card p{color:var(--muted);margin-bottom:20px}.rank-list{display:grid;gap:7px}.rank-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}.rank-row:last-child{border:0}.rank-index{font-weight:800;color:var(--violet);width:27px}.rank-row b{margin-left:auto;font-size:13px}.image-card{position:relative;overflow:hidden;min-height:420px;background:var(--navy)}.image-card img{height:100%;width:100%;object-fit:cover;opacity:.72}.image-card .image-copy{position:absolute;left:31px;right:31px;bottom:29px;color:#fff}.image-copy h3{font-size:26px;margin:0 0 8px}.image-copy p{margin:0;color:#d5dced;font-size:14px}
.stage-wrap{background:var(--navy);color:#fff}.stage-wrap .section-head p{color:#bcc8df}.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stage-card{padding:25px;background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.13);box-shadow:none;position:relative}.stage-card:before{content:"";display:block;width:36px;height:4px;border-radius:4px;background:var(--mint);margin-bottom:22px}.stage-card small{color:var(--mint);font-weight:800;letter-spacing:1px}.stage-card h3{font-size:20px;margin:8px 0}.stage-card p{font-size:14px;color:#c1cbe0;margin:0}
.content-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.content-split img{height:410px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.check-list{list-style:none;padding:0;margin:25px 0 0}.check-list li{position:relative;padding:0 0 15px 33px;color:var(--muted)}.check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:#dff9ec;color:#16855b;font-size:12px;font-weight:800}
.position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{padding:26px;transition:.25s}.info-card:hover,.scene-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.icon-disc{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;color:var(--blue);background:#edf1ff;font-size:21px;font-weight:800}.info-card:nth-child(2) .icon-disc{background:#e4fbf0;color:#118f61}.info-card:nth-child(3) .icon-disc{background:#f0ebff;color:var(--violet)}.info-card h3{font-size:19px;margin:18px 0 8px}.info-card p{color:var(--muted);font-size:14px;margin:0}
.scene-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.scene-card{padding:28px;background:#fff;transition:.25s}.scene-card img{width:100%;height:220px;object-fit:cover;border-radius:17px;margin-bottom:20px}.scene-card.large img{height:278px}.scene-card h3{font-size:22px}.scene-card p{color:var(--muted);font-size:14px}.scene-card a{font-size:14px;color:var(--blue);font-weight:800}.note-panel{background:linear-gradient(135deg,#e8edff,#f6f2ff);border-radius:var(--radius);padding:38px}.note-panel h2{font-size:31px;line-height:1.3}.note-panel p{color:var(--muted)}.note-panel .tiny{font-size:13px;margin-top:22px}
.faq{background:#fff}.accordion{max-width:870px;margin:auto}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:800;padding:22px 0;font-size:17px}.accordion-body{color:var(--muted);padding:0 0 22px;font-size:14px}.accordion-button:after{background-size:14px}
.cta-band{padding:0 0 92px}.cta-box{background:linear-gradient(112deg,var(--blue),var(--violet));border-radius:32px;color:#fff;padding:52px 56px;display:flex;gap:30px;align-items:center;justify-content:space-between;overflow:hidden;position:relative}.cta-box:after{content:"";position:absolute;width:320px;height:320px;border-radius:50%;right:-70px;top:-160px;background:rgba(255,255,255,.12)}.cta-box>div{position:relative;z-index:1}.cta-box h2{font-size:34px;margin:0 0 10px}.cta-box p{margin:0;color:#e6e9ff;max-width:660px}.cta-box .btn-main{white-space:nowrap}
footer{background:var(--navy);color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer-brand p{color:#aebbd1;font-size:14px;max-width:360px;margin-top:14px}.footer-title{font-weight:700;margin-bottom:13px}.footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}.footer-links a:hover{color:var(--mint)}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}.copyright a:hover{color:var(--mint)}
@media(max-width:1100px){.nav-shell{gap:10px}.nav-side{gap:7px}.nav-link{font-size:13px}.quick-inner{grid-template-columns:repeat(2,1fr)}}
@media(max-width:850px){.site-header{top:10px}.nav-shell{margin:0 12px;border-radius:18px;justify-content:space-between}.nav-side{display:none}.menu-toggle{display:block}.brand{order:-1}.hero-guide{min-height:650px;padding-top:145px}.rule-grid,.content-split,.scene-grid{grid-template-columns:1fr}.stage-grid{grid-template-columns:repeat(2,1fr)}.position-grid{grid-template-columns:1fr}.image-card{min-height:320px}.content-split img{height:310px}.cta-box{padding:40px;display:block}.cta-box .btn-main{margin-top:23px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}}
@media(max-width:520px){section{padding:65px 0}.hero-guide{padding:132px 0 72px}.hero-guide p{font-size:16px}.hero-actions{display:grid}.btn-main,.btn-outline{width:100%}.quick-bar{margin-top:-18px}.quick-inner{padding:20px;grid-template-columns:1fr;gap:14px}.rule-card{padding:25px}.stage-grid{grid-template-columns:1fr}.scene-card,.note-panel{padding:23px}.cta-box{padding:30px 25px;border-radius:25px}.cta-box h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category3 */
:root{--ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;--violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;--card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);--soft-shadow:0 9px 28px rgba(25,38,72,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;background:var(--cream);overflow-x:hidden}a{text-decoration:none;color:inherit;transition:.25s ease}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1180px}.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}.nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff}.brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}.brand em{font-style:normal;color:var(--mint)}.nav-side{display:flex;align-items:center;gap:10px;flex:1}.nav-side:last-child{justify-content:flex-end}.nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--mint)}.nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px;white-space:nowrap}.nav-cta:hover{background:#fff;transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px}
.hero-inner{min-height:645px;padding:170px 0 76px;background:linear-gradient(105deg,rgba(8,18,41,.94) 4%,rgba(16,29,53,.78) 53%,rgba(30,27,79,.43)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;position:relative;overflow:hidden}.hero-inner:after{content:"";position:absolute;width:530px;height:530px;right:-120px;bottom:-300px;border:1px solid rgba(167,240,208,.4);border-radius:50%;box-shadow:0 0 0 45px rgba(167,240,208,.06),0 0 0 90px rgba(167,240,208,.04)}.hero-copy{position:relative;z-index:1;max-width:770px}.kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(167,240,208,.45);background:rgba(167,240,208,.1);color:var(--mint);padding:6px 13px;border-radius:999px;font-size:13px;font-weight:700}.kicker i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:inline-block}.hero-inner h1{font-size:clamp(40px,6vw,68px);line-height:1.13;letter-spacing:-2px;margin:20px 0}.hero-inner p{max-width:680px;color:rgba(255,255,255,.83);font-size:18px}.promo{position:absolute;right:5%;top:155px;z-index:2;width:155px;height:155px;border-radius:50%;background:var(--mint);color:var(--navy);display:flex;align-items:center;justify-content:center;text-align:center;font-size:15px;line-height:1.5;font-weight:800;transform:rotate(12deg);box-shadow:0 14px 35px rgba(0,0,0,.22)}.promo b{display:block;font-size:25px}.btn-main,.btn-light,.btn-linkish{border-radius:999px;padding:13px 23px;font-weight:750;border:1px solid transparent;display:inline-flex;align-items:center;gap:8px;justify-content:center}.btn-main{background:var(--mint);color:var(--navy)}.btn-main:hover{background:#fff;transform:translateY(-3px);box-shadow:0 10px 24px #0003}.btn-light{border-color:rgba(255,255,255,.38);color:#fff}.btn-light:hover{color:var(--mint);border-color:var(--mint)}.hero-stats{display:flex;gap:36px;margin-top:45px}.hero-stats span{display:block;font-size:12px;color:#aebbd1}.hero-stats strong{font-size:24px;color:#fff}section{padding:88px 0}.section-label{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:1px}.section-head{max-width:720px;margin-bottom:38px}.section-head h2{font-size:clamp(29px,4vw,44px);line-height:1.25;letter-spacing:-1.4px;margin:8px 0 14px}.section-head p{color:var(--muted);margin:0}.summary-bar{margin-top:-42px;position:relative;z-index:4}.summary-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:25px 30px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:22px;align-items:center}.summary-card p{margin:0;color:var(--muted);font-size:14px}.metric{border-left:1px solid var(--line);padding-left:22px}.metric strong{display:block;font-size:25px;color:var(--blue)}.metric span{font-size:13px;color:var(--muted)}
.analysis-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:24px;align-items:stretch}.image-panel{border-radius:var(--radius);overflow:hidden;min-height:470px;position:relative;background:#111}.image-panel img{width:100%;height:100%;object-fit:cover;opacity:.83}.image-panel div{position:absolute;inset:auto 25px 25px;color:#fff}.image-panel h3{font-size:25px;margin:0 0 8px}.image-panel p{margin:0;color:rgba(255,255,255,.8);font-size:14px}.method-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px}.method-panel h3{font-size:27px;line-height:1.35;margin:0 0 18px}.method-panel>p{color:var(--muted)}.method-list{list-style:none;padding:0;margin:24px 0 0}.method-list li{display:flex;gap:16px;padding:17px 0;border-top:1px solid var(--line)}.number{flex:0 0 34px;height:34px;border-radius:12px;background:#eef2ff;color:var(--blue);font-weight:800;display:grid;place-items:center}.method-list b{display:block;font-size:16px}.method-list span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.dark-zone{background:var(--navy);color:#fff;position:relative;overflow:hidden}.dark-zone:before{content:"";position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(118,87,232,.35),transparent 68%);right:-150px;top:-220px}.range-wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.dark-zone .section-label{color:var(--mint)}.dark-zone .section-head p{color:#bdc7dc}.range-board{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.range-cell{min-height:88px;padding:12px;border-radius:17px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;justify-content:space-between}.range-cell strong{font-size:20px}.range-cell small{color:#b8c3d8;font-size:11px}.range-cell.hot{background:var(--mint);color:var(--navy);border-color:var(--mint)}.range-cell.hot small{color:#344555}.range-note{margin-top:16px;color:#bdc7dc;font-size:13px}
.scene-layout{display:grid;grid-template-columns:1.18fr .82fr;gap:22px}.scene-main{padding:36px;border-radius:var(--radius);background:linear-gradient(135deg,#eef2ff,#fff);border:1px solid #dce4ff}.scene-main h3{font-size:28px;margin:0 0 12px}.scene-main p{color:var(--muted)}.decision-line{margin:28px 0 0;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.decision{padding:10px 15px;background:#fff;border:1px solid var(--line);border-radius:14px;font-size:13px;font-weight:700}.arrow{color:var(--blue);font-size:20px}.side-tips{display:grid;gap:16px}.tip-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px;box-shadow:var(--soft-shadow)}.tip-card b{display:block;font-size:17px;margin-bottom:6px}.tip-card p{font-size:13px;color:var(--muted);margin:0}
review-section{display:block}.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.25s}.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.review-card .tag{display:inline-block;border-radius:999px;background:#eef2ff;color:var(--blue);padding:4px 10px;font-size:12px;font-weight:700}.review-card h3{font-size:20px;margin:16px 0 9px}.review-card p{font-size:14px;color:var(--muted);margin:0}.checklist{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:38px;display:grid;grid-template-columns:.78fr 1.22fr;gap:45px;align-items:center}.checklist h2{font-size:34px;line-height:1.3;margin:10px 0}.checklist p{color:var(--muted)}.check-items{display:grid;grid-template-columns:1fr 1fr;gap:12px}.check-items div{border:1px solid var(--line);border-radius:15px;padding:15px;font-size:14px;font-weight:700;background:#fafbff}.check-items span{color:#33a47d;margin-right:7px}
.signal-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.signal{padding:22px;border-radius:19px;background:#fff;border:1px solid var(--line)}.signal strong{display:block;color:var(--violet);font-size:26px}.signal p{color:var(--muted);font-size:13px;margin:6px 0 0}.faq{background:#fff}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:750;padding:21px 0}.accordion-body{color:var(--muted);font-size:14px;padding:0 0 21px}.accordion-button:after{background-size:14px}.cta-box{position:relative;overflow:hidden;border-radius:var(--radius);padding:55px;background:linear-gradient(115deg,#315fe8,#7657e8);color:#fff}.cta-box:after{content:"♠";position:absolute;right:5%;top:-75px;font-size:290px;line-height:1;color:rgba(255,255,255,.1)}.cta-box .content{position:relative;z-index:1;max-width:720px}.cta-box h2{font-size:clamp(29px,4vw,43px);line-height:1.28;margin:12px 0}.cta-box p{color:rgba(255,255,255,.84);max-width:650px}.cta-box .btn-main{background:var(--mint)}footer{background:var(--navy);color:#fff;padding:60px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer-brand p{color:#aebbd1;font-size:14px;max-width:360px}.footer-title{font-weight:700;margin-bottom:13px}.footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}.footer-links a:hover{color:var(--mint)}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1100px){.nav-link{font-size:12px}.nav-side{gap:5px}.nav-cta{padding:8px 11px}.promo{right:2%}.summary-card{grid-template-columns:1.3fr repeat(3,1fr)}}@media(max-width:900px){.site-header{position:relative;top:0;padding:12px 12px;background:var(--navy)}.nav-shell{border-radius:16px}.nav-side{display:none}.brand{margin:auto}.menu-toggle{display:block}.site-header.open .nav-shell{flex-wrap:wrap}.site-header.open .nav-side{display:flex;order:3;flex-basis:100%;justify-content:center;flex-wrap:wrap;padding:10px}.hero-inner{min-height:auto;padding:95px 0 70px}.promo{display:none}.summary-card,.analysis-grid,.range-wrap,.scene-layout,.checklist{grid-template-columns:1fr}.summary-card{margin:0 12px}.metric{border-left:0;border-top:1px solid var(--line);padding:12px 0 0}.review-grid{grid-template-columns:1fr 1fr}.signal-row{grid-template-columns:1fr 1fr}}@media(max-width:560px){section{padding:62px 0}.hero-inner h1{font-size:39px}.hero-inner p{font-size:16px}.hero-stats{gap:18px}.hero-stats strong{font-size:20px}.summary-card{padding:21px}.method-panel,.scene-main,.checklist{padding:25px}.range-board{grid-template-columns:1fr 1fr}.review-grid,.check-items,.signal-row{grid-template-columns:1fr}.image-panel{min-height:330px}.footer-grid{grid-template-columns:1fr;gap:25px}.copyright{flex-direction:column}.cta-box{padding:35px 25px}.btn-main,.btn-light{width:100%;margin:4px 0}.hero-actions{display:grid}}

/* roulang page: category2 */
:root{
      --ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;
      --violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;
      --card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);
      --soft-shadow:0 9px 28px rgba(25,38,72,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;background:var(--cream);overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(167,240,208,.9);outline-offset:3px}
    .container{max-width:1180px}
    .site-header{position:absolute;z-index:30;top:18px;left:0;right:0}
    .nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff}
    .brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}
    .brand em{font-style:normal;color:var(--mint)}
    .nav-side{display:flex;align-items:center;gap:10px;flex:1}
    .nav-side:last-of-type{justify-content:flex-end}
    .nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--mint)}
    .nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px;white-space:nowrap}
    .nav-cta:hover{background:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px;line-height:1}
    .hero{min-height:700px;padding:166px 0 85px;position:relative;color:#fff;overflow:hidden;background:linear-gradient(105deg,rgba(8,18,41,.94) 16%,rgba(16,29,53,.75) 56%,rgba(49,95,232,.35)),url('/assets/images/backpic/back-2.webp') center/cover}
    .hero:before{content:"";position:absolute;width:460px;height:460px;right:-90px;top:145px;border-radius:50%;background:radial-gradient(circle,rgba(167,240,208,.23),transparent 68%)}
    .hero:after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:95px;background:var(--cream);clip-path:ellipse(64% 45% at 50% 100%)}
    .hero-content{position:relative;z-index:2}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1px;color:var(--mint)}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    .hero h1{font-size:clamp(38px,5vw,67px);line-height:1.14;letter-spacing:-2.5px;max-width:700px;margin:17px 0 22px;font-weight:800}
    .hero p{font-size:17px;line-height:1.95;color:rgba(255,255,255,.85);max-width:650px;margin:0}
    .btn-main,.btn-outline,.btn-blue{border-radius:999px;padding:13px 24px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px}
    .btn-main{background:var(--mint);color:var(--navy)}
    .btn-main:hover{background:#fff;color:var(--navy);transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.2)}
    .btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
    .btn-outline:hover{border-color:var(--mint);background:rgba(167,240,208,.08);color:var(--mint)}
    .btn-blue{background:var(--blue);color:#fff}
    .btn-blue:hover{background:var(--violet);color:#fff;transform:translateY(-3px);box-shadow:0 12px 24px rgba(49,95,232,.23)}
    .hero-actions{display:flex;gap:13px;flex-wrap:wrap;margin-top:31px}
    .study-card{position:absolute;z-index:3;right:0;bottom:78px;width:355px;border:1px solid rgba(255,255,255,.25);border-radius:26px;padding:24px;background:rgba(17,31,58,.72);backdrop-filter:blur(18px);box-shadow:0 25px 60px rgba(0,0,0,.2)}
    .study-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:15px;margin-bottom:16px}
    .study-top span{font-size:12px;color:var(--mint);font-weight:800}
    .study-card h2{font-size:21px;line-height:1.4;margin:0 0 9px}
    .study-card p{font-size:13px;line-height:1.75;margin:0;color:#c9d3e5}
    .card-progress{height:7px;border-radius:99px;background:rgba(255,255,255,.15);margin:17px 0 9px;overflow:hidden}
    .card-progress i{display:block;width:68%;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--mint),#77b9ff)}
    .card-foot{display:flex;justify-content:space-between;font-size:12px;color:#b9c6dc}
    section{padding:88px 0}
    .section-head{max-width:720px;margin-bottom:40px}
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .section-head h2{font-size:clamp(29px,4vw,45px);line-height:1.28;letter-spacing:-1.5px;margin:10px 0 15px;font-weight:800}
    .section-head p{color:var(--muted);margin:0}
    .mini-label{display:inline-flex;border-radius:999px;padding:5px 11px;background:#e9efff;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.5px}
    .metric-strip{margin-top:-38px;position:relative;z-index:4;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .metric{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 21px;box-shadow:var(--soft-shadow)}
    .metric strong{display:block;font-size:25px;line-height:1.2;color:var(--blue)}
    .metric span{display:block;margin-top:5px;font-size:13px;color:var(--muted)}
    .split-intro{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center}
    .visual-frame{position:relative}
    .visual-frame img{width:100%;height:440px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .float-note{position:absolute;right:-22px;bottom:28px;width:230px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px;box-shadow:var(--shadow)}
    .float-note strong{display:block;font-size:15px;margin-bottom:4px}
    .float-note p{font-size:12px;line-height:1.7;color:var(--muted);margin:0}
    .check-list{list-style:none;padding:0;margin:24px 0 0}
    .check-list li{position:relative;padding:11px 0 11px 31px;border-bottom:1px solid var(--line);font-size:15px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:11px;width:21px;height:21px;border-radius:50%;background:#dcf8eb;color:#167354;font-size:12px;line-height:21px;text-align:center;font-weight:900}
    .lab-panel{background:var(--navy);color:#fff;position:relative;overflow:hidden}
    .lab-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(118,87,232,.45),transparent 30%),radial-gradient(circle at 15% 100%,rgba(167,240,208,.13),transparent 28%)}
    .lab-panel .container{position:relative;z-index:1}
    .lab-panel .section-head p{color:#bdc7dc}
    .skill-layout{display:grid;grid-template-columns:.86fr 1.14fr;gap:18px}
    .skill-lead{background:linear-gradient(145deg,#315fe8,#7657e8);border-radius:var(--radius);padding:32px;color:#fff;min-height:390px;display:flex;flex-direction:column;justify-content:space-between}
    .skill-lead h3{font-size:29px;line-height:1.35;margin:12px 0}
    .skill-lead p{color:#edf0ff;font-size:14px;margin:0}
    .skill-number{font-size:54px;font-weight:800;letter-spacing:-3px;color:var(--mint)}
    .skill-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .skill-card{border-radius:22px;padding:25px;background:rgba(255,255,255,.98);color:var(--ink);transition:.28s}
    .skill-card:hover{transform:translateY(-6px);box-shadow:0 17px 35px rgba(0,0,0,.19)}
    .skill-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:#edf1ff;color:var(--blue);font-weight:900;font-size:17px}
    .skill-card h3{font-size:18px;margin:17px 0 8px}
    .skill-card p{font-size:13px;line-height:1.75;color:var(--muted);margin:0}
    .scenario-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:22px;align-items:stretch}
    .scenario-menu{background:#fff;border:1px solid var(--line);padding:15px;border-radius:var(--radius)}
    .scenario-tab{display:block;width:100%;padding:16px 17px;border:0;border-radius:16px;background:transparent;text-align:left;color:var(--ink);font-weight:700;transition:.24s}
    .scenario-tab span{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:3px}
    .scenario-tab:hover,.scenario-tab.active{background:#eef2ff;color:var(--blue)}
    .scenario-detail{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:grid;grid-template-columns:1fr .9fr;gap:28px;align-items:center}
    .scenario-detail h3{font-size:28px;line-height:1.3;margin:10px 0 14px}
    .scenario-detail p{font-size:14px;color:var(--muted);margin:0}
    .decision-stack{display:grid;gap:10px;margin-top:21px}
    .decision-stack div{border-left:3px solid var(--mint);background:#f5f8fb;padding:11px 13px;font-size:13px}
    .scenario-detail img{height:280px;width:100%;object-fit:cover;border-radius:19px}
    .process-wrap{background:#eef2ff}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .process-step{position:relative;background:#fff;border:1px solid #dfe6fb;border-radius:21px;padding:24px 21px 22px;min-height:226px}
    .process-step:not(:last-child):after{content:"→";position:absolute;right:-14px;top:45%;z-index:2;width:27px;height:27px;border-radius:50%;background:var(--blue);color:#fff;text-align:center;line-height:27px;font-size:14px}
    .step-no{font-size:12px;color:var(--blue);font-weight:900;letter-spacing:1px}
    .process-step h3{font-size:18px;margin:15px 0 9px}
    .process-step p{font-size:13px;color:var(--muted);margin:0;line-height:1.75}
    .story-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}
    .story-copy{padding:10px 0}
    .story-copy h2{font-size:clamp(29px,4vw,42px);line-height:1.3;letter-spacing:-1.5px;margin:11px 0 17px}
    .story-copy p{color:var(--muted);margin-bottom:18px}
    .quote-box{margin-top:26px;border-left:4px solid var(--violet);padding:3px 0 3px 20px;color:#3f4c65;font-size:17px;font-weight:700;line-height:1.75}
    .story-image{position:relative}
    .story-image img{height:408px;width:100%;object-fit:cover;border-radius:var(--radius)}
    .image-tag{position:absolute;left:21px;bottom:21px;border-radius:999px;background:rgba(16,29,53,.85);color:#fff;padding:9px 15px;font-size:12px;backdrop-filter:blur(8px)}
    .tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;min-height:250px;transition:.28s}
    .tool-card:nth-child(2){background:#e8fff5;border-color:#cef1e1}
    .tool-card:nth-child(3){background:#eef1ff;border-color:#dce3ff}
    .tool-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .tool-card h3{font-size:20px;margin:16px 0 9px}
    .tool-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
    .tool-card ul{padding:0;margin:0;list-style:none;font-size:13px;color:#46536a}
    .tool-card li{padding:5px 0;border-top:1px solid rgba(20,32,47,.08)}
    .faq{background:#fff}
    .faq-wrap{max-width:900px;margin:auto}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700;padding:22px 0;font-size:16px}
    .accordion-button:not(.collapsed){color:var(--blue)!important}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 0 22px;line-height:1.9}
    .accordion-button:after{background-size:14px}
    .cta-section{padding:82px 0;background:var(--cream)}
    .cta-box{position:relative;overflow:hidden;border-radius:30px;padding:50px 56px;background:linear-gradient(120deg,var(--navy),#243f88);color:#fff}
    .cta-box:after{content:"";position:absolute;width:350px;height:350px;border-radius:50%;right:-110px;top:-155px;border:54px solid rgba(167,240,208,.15)}
    .cta-box > *{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(30px,4vw,43px);line-height:1.28;margin:9px 0 14px}
    .cta-box p{max-width:650px;color:#cad5e8;margin:0}
    .open-form{margin-top:27px;display:flex;gap:10px;max-width:590px}
    .open-form input{height:50px;flex:1;border:1px solid rgba(255,255,255,.23);border-radius:999px;padding:0 19px;background:rgba(255,255,255,.11);color:#fff;outline:none}
    .open-form input::placeholder{color:#bdc9de}
    .open-form input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(167,240,208,.16)}
    footer{background:var(--navy);color:#fff;padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer-brand p{color:#aebbd1;font-size:14px;max-width:360px;margin-top:14px}
    .footer-title{font-weight:700;margin-bottom:13px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}
    .footer-links a:hover{color:var(--mint)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .copyright a:hover{color:var(--mint)}
    @media (max-width:1120px){
      .nav-shell{gap:10px}.nav-side{gap:7px}.nav-link{font-size:13px}
      .study-card{right:18px}.process-grid{grid-template-columns:repeat(2,1fr)}.process-step:after{display:none}
    }
    @media (max-width:900px){
      .site-header{top:10px}.nav-shell{margin:0 12px;border-radius:17px;justify-content:space-between}
      .nav-side{display:none}.brand{font-size:19px}.menu-toggle{display:block}
      .nav-shell.is-open{align-items:flex-start;flex-wrap:wrap;padding:14px 18px}
      .nav-shell.is-open .nav-side{order:3;display:flex;flex-basis:100%;flex-wrap:wrap;gap:4px;padding-top:10px;border-top:1px solid rgba(255,255,255,.14)}
      .nav-shell.is-open .nav-side:last-of-type{justify-content:flex-start}
      .nav-shell.is-open .nav-link{padding:8px 9px}.nav-shell.is-open .nav-cta{margin:3px 0}
      .hero{min-height:750px;padding-top:145px}.hero h1{max-width:620px}.study-card{position:relative;right:auto;bottom:auto;margin-top:35px;width:min(100%,500px)}
      .metric-strip{grid-template-columns:repeat(2,1fr)}.split-intro,.story-grid,.scenario-layout{grid-template-columns:1fr}.visual-frame img{height:370px}
      .skill-layout{grid-template-columns:1fr}.scenario-detail{grid-template-columns:1fr}.scenario-detail img{height:240px}.tool-grid{grid-template-columns:1fr}
    }
    @media (max-width:620px){
      section{padding:66px 0}.hero{padding:135px 0 60px;min-height:auto}.hero:after{height:42px}
      .hero h1{font-size:39px;letter-spacing:-1.7px}.hero p{font-size:15px}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions a{width:100%}
      .study-card{padding:20px}.metric-strip{grid-template-columns:1fr;margin-top:-10px}.metric{padding:17px}
      .section-head{margin-bottom:28px}.section-head h2{font-size:30px}.split-intro{gap:28px}.visual-frame img{height:310px}.float-note{right:10px;bottom:13px;width:210px}
      .skill-grid{grid-template-columns:1fr}.skill-lead{min-height:280px;padding:27px}.process-grid{grid-template-columns:1fr}.scenario-detail{padding:23px}.scenario-detail h3{font-size:25px}
      .cta-box{padding:35px 24px}.open-form{flex-direction:column}.open-form .btn-main{width:100%}
      .footer-grid{grid-template-columns:1fr;gap:27px}.copyright{flex-direction:column;gap:8px}
    }

/* roulang page: category4 */
:root{
      --ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;
      --violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;
      --card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);
      --soft-shadow:0 9px 28px rgba(25,38,72,.08);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;background:var(--cream)}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{max-width:1180px}
    .site-header{position:absolute;z-index:20;top:18px;left:0;right:0}
    .nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff}
    .brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}
    .brand em{font-style:normal;color:var(--mint)}
    .nav-side{display:flex;align-items:center;gap:10px;flex:1}
    .nav-side:last-child{justify-content:flex-end}
    .nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}
    .nav-link:hover,.nav-link.active{color:var(--mint)}
    .nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px;white-space:nowrap}
    .nav-cta:hover{background:#fff;transform:translateY(-2px)}
    .menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px}
    .hero{min-height:680px;padding:170px 0 90px;position:relative;background:linear-gradient(90deg,rgba(8,18,41,.94),rgba(16,29,53,.62)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;overflow:hidden}
    .hero:after{content:"";position:absolute;right:-8%;bottom:-170px;width:62%;height:280px;background:var(--cream);border-radius:50% 50% 0 0}
    .hero-content{position:relative;z-index:2}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:7px;color:var(--mint);font-weight:700;font-size:13px;letter-spacing:1px}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-3px;margin:18px 0 22px;max-width:680px}
    .hero p{font-size:18px;line-height:1.9;color:rgba(255,255,255,.84);max-width:650px}
    .btn-main,.btn-outline{border-radius:999px;padding:13px 24px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center}
    .btn-main{background:var(--mint);color:var(--navy)}
    .btn-main:hover{background:#fff;color:var(--navy);transform:translateY(-3px);box-shadow:0 10px 24px #0003}
    .btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
    .btn-outline:hover{border-color:var(--mint);color:var(--mint)}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
    .hero-meta{display:flex;gap:34px;margin-top:52px;flex-wrap:wrap}
    .hero-meta strong{display:block;font-size:25px;color:#fff}
    .hero-meta span{font-size:13px;color:rgba(255,255,255,.6)}
    .vertical-panel{position:absolute;z-index:3;right:8%;top:145px;width:255px;height:405px;border:8px solid rgba(255,255,255,.18);border-radius:34px;background:linear-gradient(160deg,rgba(118,87,232,.9),rgba(15,31,60,.92));padding:22px 18px;box-shadow:0 22px 70px #050c1d88;transform:rotate(4deg)}
    .vertical-panel .panel-top{display:flex;justify-content:space-between;font-size:12px;color:#cbd5ee}
    .vertical-panel h3{font-size:26px;line-height:1.3;margin:52px 0 18px}
    .pulse{height:76px;display:flex;align-items:end;gap:7px;margin:25px 0}
    .pulse i{display:block;width:18px;border-radius:7px 7px 2px 2px;background:var(--mint)}
    .pulse i:nth-child(1){height:24px}.pulse i:nth-child(2){height:43px}.pulse i:nth-child(3){height:31px}.pulse i:nth-child(4){height:65px}.pulse i:nth-child(5){height:49px}.pulse i:nth-child(6){height:72px}
    .panel-tag{display:inline-block;padding:6px 10px;border-radius:9px;background:#ffffff18;color:#fff;font-size:12px}
    section{padding:92px 0}
    .section-head{max-width:700px;margin-bottom:42px}
    .section-head h2{font-size:clamp(29px,4vw,45px);line-height:1.25;letter-spacing:-1.5px;margin:10px 0 15px}
    .section-head p{color:var(--muted);margin:0}
    .section-kicker{color:var(--violet);font-weight:800;font-size:13px;letter-spacing:1px}
    .intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
    .intro-image img{border-radius:var(--radius);height:390px;width:100%;object-fit:cover;box-shadow:var(--shadow)}
    .lead-copy{font-size:18px;color:#39475b}
    .check-list{list-style:none;padding:0;margin:26px 0 0}
    .check-list li{padding:12px 0 12px 32px;border-bottom:1px solid var(--line);position:relative;color:var(--muted)}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;color:var(--violet);font-weight:800}
    .signal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .signal-card,.scene-card,.case-card,.metric-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:.28s}
    .signal-card:hover,.scene-card:hover,.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .signal-card.dark{background:var(--navy);color:#fff}
    .signal-card.dark p{color:#bdc7dc}
    .num{font-size:13px;color:var(--violet);font-weight:800}
    .signal-card h3{font-size:20px;margin:17px 0 9px}
    .signal-card p,.scene-card p,.case-card p{font-size:14px;color:var(--muted);margin:0}
    .signal-card.dark .num{color:var(--mint)}
    .scene-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .scene-card img{width:100%;height:215px;object-fit:cover;border-radius:17px;margin-bottom:20px}
    .scene-card.featured{background:var(--violet);color:#fff}
    .scene-card.featured p{color:#e7e3ff}
    .scene-card.featured a{color:var(--mint);font-weight:700;display:inline-block;margin-top:22px}
    .flow{background:var(--navy);color:#fff}
    .flow .section-head p{color:#bdc7dc}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .flow-item{border-top:2px solid #ffffff32;padding-top:20px}
    .flow-item strong{display:block;font-size:29px;color:var(--mint);margin-bottom:12px}
    .flow-item h3{font-size:18px}
    .flow-item p{font-size:14px;color:#b8c4d9}
    .case-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:stretch}
    .case-card.highlight{background:#fff url('/assets/images/coverpic/cover-8.webp') center/cover;position:relative;min-height:310px;color:#fff;overflow:hidden}
    .case-card.highlight:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 15%,#101d35e8)}
    .case-card.highlight div{position:absolute;bottom:24px;left:25px;right:25px}
    .case-card.highlight p{color:#e4eafa}
    .case-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
    .case-row{display:grid;grid-template-columns:110px 1fr 90px;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);align-items:center}
    .case-row:last-child{border-bottom:0}
    .case-row span{font-size:13px;color:var(--muted)}
    .case-row b{font-size:14px}
    .pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#edf0ff;color:var(--blue);font-size:12px;font-weight:700}
    .metrics{background:#eef1ff}
    .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .metric-box strong{display:block;font-size:38px;color:var(--violet);line-height:1.2}
    .metric-box span{font-size:14px;color:var(--muted)}
    .metric-box p{font-size:13px;color:var(--muted);margin:15px 0 0}
    .notes{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .note-panel{padding:32px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
    .note-panel.mint{background:var(--mint)}
    .note-panel h3{font-size:24px;margin:0 0 15px}
    .note-panel p{color:var(--muted);font-size:15px}
    .faq{background:#fff}
    .faq-wrap{max-width:840px}
    .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
    .accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700;padding:22px 0}
    .accordion-button:focus{box-shadow:0 0 0 3px rgba(49,95,232,.15)!important}
    .accordion-body{color:var(--muted);font-size:14px;padding:0 0 22px}
    .cta-box{border-radius:32px;padding:58px 65px;background:linear-gradient(115deg,var(--violet),var(--blue));color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta-box h2{font-size:clamp(28px,4vw,42px);margin:0 0 12px}
    .cta-box p{color:#e5e8ff;margin:0;max-width:650px}
    footer{background:var(--navy);color:#fff;padding:60px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
    .footer-brand p{color:#aebbd1;font-size:14px;max-width:360px}
    .footer-title{font-weight:700;margin-bottom:13px}
    .footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}
    .footer-links a:hover{color:var(--mint)}
    .copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
    .copyright a:hover{color:var(--mint)}
    @media(max-width:1024px){
      .nav-shell{gap:8px}.nav-side{gap:6px}.nav-link{font-size:13px}
      .vertical-panel{right:3%;width:220px}.hero-content{max-width:650px}
      .signal-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .site-header{top:10px}.nav-shell{justify-content:space-between;padding:10px 16px}
      .nav-side{display:none}.menu-toggle{display:block}.brand{font-size:19px}
      .hero{min-height:720px;padding:145px 0 80px}.hero h1{letter-spacing:-2px}
      .vertical-panel{display:none}.intro-grid,.scene-layout,.case-layout,.notes{grid-template-columns:1fr}
      .intro-image{order:2}.flow-grid{grid-template-columns:repeat(2,1fr)}
      .metric-grid{grid-template-columns:1fr 1fr}.cta-box{padding:40px 28px;display:block}
      .cta-box .btn-main{margin-top:25px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      section{padding:65px 0}.hero{padding-top:135px}.hero p{font-size:16px}
      .hero-meta{gap:22px;margin-top:38px}.signal-grid,.flow-grid,.metric-grid{grid-template-columns:1fr}
      .case-row{grid-template-columns:78px 1fr}.case-row .pill{grid-column:2}
      .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-bottom:9px}
    }

/* roulang page: category5 */
:root{
--ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;--violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;--card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);--soft-shadow:0 9px 28px rgba(25,38,72,.08)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;max-width:100%;object-fit:cover}button,input{font:inherit}.container{max-width:1180px}
.site-header{position:absolute;z-index:50;top:18px;left:0;right:0}.nav-shell{min-height:72px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff;border:1px solid rgba(255,255,255,.22);border-radius:22px;background:rgba(9,20,43,.72);backdrop-filter:blur(18px)}.brand{color:#fff;font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap}.brand em{font-style:normal;color:var(--mint)}.nav-side{display:flex;align-items:center;gap:10px;flex:1}.nav-side:last-of-type{justify-content:flex-end}.nav-link{padding:8px 5px;color:rgba(255,255,255,.78);font-size:14px;white-space:nowrap}.nav-link:hover,.nav-link.active{color:var(--mint)}.nav-cta{padding:9px 17px;border-radius:999px;background:var(--mint);color:var(--navy);font-size:13px;font-weight:800}.nav-cta:hover{background:#fff;transform:translateY(-2px)}.menu-toggle{display:none;border:0;background:transparent;color:#fff;font-size:24px;line-height:1}
.hero-member{position:relative;min-height:720px;padding:150px 0 78px;overflow:hidden;color:#fff;background:linear-gradient(104deg,rgba(8,18,41,.95) 4%,rgba(16,29,53,.76) 57%,rgba(27,43,89,.50)),url('/assets/images/backpic/back-2.webp') center/cover}.hero-member:after{content:"";position:absolute;width:600px;height:600px;right:-180px;bottom:-330px;border-radius:50%;background:rgba(167,240,208,.16);filter:blur(8px)}.hero-member .container{position:relative;z-index:1}.sale-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 18px;margin-bottom:53px;border:1px solid rgba(167,240,208,.35);border-radius:16px;background:rgba(255,255,255,.09);font-size:14px}.sale-strip strong{color:var(--mint)}.countdown{display:flex;gap:7px;align-items:center}.countdown b{display:inline-block;min-width:32px;padding:2px 7px;border-radius:8px;background:#fff;color:var(--navy);text-align:center}
.hero-grid{display:grid;grid-template-columns:1.05fr .85fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:800;letter-spacing:1px}.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}h1{max-width:710px;margin:16px 0 20px;font-size:clamp(39px,5vw,65px);line-height:1.16;letter-spacing:-2px}.hero-copy{max-width:650px;color:rgba(255,255,255,.84);font-size:17px}.btn-main,.btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:13px 24px;border:1px solid transparent;border-radius:999px;font-weight:800}.btn-main{background:var(--mint);color:var(--navy)}.btn-main:hover{background:#fff;color:var(--navy);transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.2)}.btn-outline{margin-left:10px;border-color:rgba(255,255,255,.42);color:#fff}.btn-outline:hover{border-color:var(--mint);color:var(--mint)}
.offer-card{padding:25px;border:1px solid rgba(255,255,255,.3);border-radius:30px;background:rgba(255,255,255,.96);box-shadow:0 28px 70px rgba(0,0,0,.25);color:var(--ink)}.offer-card img{width:100%;height:170px;border-radius:18px}.offer-top{display:flex;justify-content:space-between;align-items:center;margin:18px 0 8px}.tag{display:inline-flex;padding:5px 11px;border-radius:999px;background:#e7fbf1;color:#177052;font-size:12px;font-weight:800}.offer-card h2{font-size:25px;margin:6px 0}.offer-card p{margin:0;color:var(--muted);font-size:14px}.offer-list{padding:0;margin:17px 0;list-style:none}.offer-list li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}.offer-list li:before{content:"✓";margin-right:9px;color:#16855d;font-weight:900}.offer-card .btn-main{width:100%}
section{padding:92px 0}.section-head{max-width:720px;margin-bottom:40px}.section-head.center{margin-left:auto;margin-right:auto;text-align:center}.section-head h2{margin:10px 0 14px;font-size:clamp(29px,4vw,45px);line-height:1.25;letter-spacing:-1.5px}.section-head p{margin:0;color:var(--muted)}.badge-soft{color:var(--violet);font-size:13px;font-weight:800;letter-spacing:1px}.benefit-band{margin-top:-42px;position:relative;z-index:2}.benefit-band-inner{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}.stat{padding:24px 27px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;color:var(--blue);font-size:26px}.stat span{color:var(--muted);font-size:13px}
.split-story{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}.story-image{position:relative}.story-image img{width:100%;height:465px;border-radius:var(--radius);box-shadow:var(--shadow)}.floating-note{position:absolute;right:-24px;bottom:28px;max-width:240px;padding:19px;border-radius:18px;background:var(--navy);color:#fff;box-shadow:var(--shadow)}.floating-note b{display:block;color:var(--mint);font-size:20px}.floating-note small{color:#b8c7df}.story-copy p{color:var(--muted)}.check-list{padding:0;margin:24px 0 0;list-style:none}.check-list li{padding:11px 0;border-bottom:1px solid var(--line);font-weight:650}.check-list li:before{content:"✓";display:inline-grid;place-items:center;width:23px;height:23px;margin-right:11px;border-radius:50%;background:#e7fbf1;color:#167355;font-size:12px}
.dark-area{background:var(--navy);color:#fff}.dark-area .section-head p{color:#b9c4d9}.benefit-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}.benefit-card{min-height:275px;padding:29px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);background:rgba(255,255,255,.06);transition:.28s}.benefit-card:hover{transform:translateY(-7px);background:rgba(255,255,255,.1)}.benefit-card.featured{background:linear-gradient(145deg,#416deb,#7758e8)}.benefit-card .num{color:var(--mint);font-size:13px;font-weight:800}.benefit-card h3{margin:50px 0 10px;font-size:23px}.benefit-card p{margin:0;color:#d0d8e8;font-size:14px}
scene-layout{display:block}.scene-layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}.scene-main{position:relative;min-height:425px;overflow:hidden;border-radius:var(--radius);color:#fff}.scene-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(9,18,39,.88),rgba(9,18,39,.08))}.scene-main img{width:100%;height:100%}.scene-main-content{position:absolute;z-index:1;left:32px;right:32px;bottom:27px}.scene-main h3{font-size:29px}.scene-main p{color:#d6def0}.scene-stack{display:grid;gap:18px}.scene-item{display:flex;gap:18px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--soft-shadow)}.scene-item img{width:118px;height:105px;border-radius:14px}.scene-item h3{margin:0 0 5px;font-size:18px}.scene-item p{margin:0;color:var(--muted);font-size:13px}
process-row{display:block}.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.process-step{position:relative;padding:28px 23px;border-radius:20px;background:#fff;border:1px solid var(--line)}.process-step:not(:last-child):after{content:"→";position:absolute;right:-15px;top:42%;z-index:1;color:var(--violet);font-size:23px;font-weight:800}.process-step b{display:block;margin-bottom:15px;color:var(--violet);font-size:13px}.process-step h3{font-size:18px}.process-step p{margin:0;color:var(--muted);font-size:13px}
member-table{display:block}.member-table{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--soft-shadow)}.row-plan{display:grid;grid-template-columns:1.1fr repeat(3,1fr);align-items:center;border-bottom:1px solid var(--line)}.row-plan:last-child{border:0}.row-plan>div{padding:18px 22px;text-align:center;font-size:14px}.row-plan>div:first-child{text-align:left;font-weight:700}.row-plan.head{background:#f0f3fb;color:var(--navy);font-weight:800}.yes{color:#18825f;font-weight:900}.soft{color:var(--muted)}
.quote-grid{display:grid;grid-template-columns:1fr .85fr;gap:20px}.quote-box,.data-box{padding:32px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--soft-shadow)}.quote-box blockquote{margin:0;color:#263853;font-size:20px;line-height:1.75}.quote-box cite{display:block;margin-top:20px;color:var(--muted);font-size:14px;font-style:normal}.data-box{background:linear-gradient(145deg,#eff3ff,#f9f6ff)}.data-box strong{display:block;color:var(--blue);font-size:45px;line-height:1.1}.data-box p{color:var(--muted);font-size:14px}.mini-badges{display:flex;flex-wrap:wrap;gap:9px}.mini-badges span{padding:7px 11px;border-radius:999px;background:#fff;color:#53627a;font-size:12px;font-weight:700}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:60px}.faq-note{padding:28px;border-radius:var(--radius);background:#e7fbf1}.faq-note p{color:#416b60;font-size:14px}.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}.accordion-button{padding:22px 0;background:transparent!important;color:var(--ink)!important;font-weight:800;box-shadow:none!important}.accordion-body{padding:0 0 22px;color:var(--muted);font-size:14px}.accordion-button:after{background-size:14px}
.cta-panel{position:relative;overflow:hidden;padding:58px 55px;border-radius:32px;background:linear-gradient(110deg,#315fe8,#7657e8);color:#fff}.cta-panel:after{content:"";position:absolute;width:310px;height:310px;right:-75px;top:-145px;border:45px solid rgba(255,255,255,.13);border-radius:50%}.cta-panel>*{position:relative;z-index:1}.cta-panel h2{max-width:650px;font-size:clamp(30px,4vw,47px);line-height:1.25}.cta-panel p{max-width:650px;color:#e1e7ff}.cta-panel .btn-main{background:var(--mint)}.cta-panel .btn-outline{margin-left:10px}
footer{padding:60px 0 25px;background:var(--navy);color:#fff}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}.footer-brand p{max-width:360px;color:#aebbd1;font-size:14px}.footer-title{margin-bottom:13px;font-weight:800}.footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}.footer-links a:hover{color:var(--mint)}.copyright{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#9aa9c2;font-size:12px}.copyright a:hover{color:var(--mint)}
a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}
@media(max-width:1100px){.nav-side{gap:5px}.nav-link{font-size:13px}.hero-grid,.split-story,.faq-wrap{gap:35px}.benefit-grid{grid-template-columns:1fr 1fr}.benefit-card:first-child{grid-column:span 2}.scene-layout{grid-template-columns:1fr}.process-step:not(:last-child):after{display:none}}
@media(max-width:768px){.site-header{top:10px}.nav-shell{margin:0 12px;min-height:61px;justify-content:space-between}.nav-side{display:none}.menu-toggle{display:block}.brand{font-size:19px}.hero-member{padding:122px 0 58px;min-height:auto}.sale-strip{align-items:flex-start;flex-direction:column;margin-bottom:32px}.hero-grid,.split-story,.quote-grid{grid-template-columns:1fr}.offer-card{max-width:510px}.benefit-band{margin-top:0;padding-top:25px}.benefit-band-inner{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}section{padding:66px 0}.story-image img{height:350px}.floating-note{right:12px}.benefit-grid{grid-template-columns:1fr}.benefit-card:first-child{grid-column:auto}.process-row{grid-template-columns:1fr 1fr}.row-plan{grid-template-columns:1.1fr 1fr 1fr 1fr}.row-plan>div{padding:13px 8px;font-size:12px}.row-plan>div:first-child{font-size:12px}.faq-wrap{grid-template-columns:1fr}.cta-panel{padding:40px 28px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}}
@media(max-width:520px){h1{font-size:38px}.hero-copy{font-size:15px}.btn-main,.btn-outline{width:100%;margin:7px 0 0}.offer-card{padding:18px}.benefit-band-inner{grid-template-columns:1fr}.stat,.stat:nth-child(2){border-right:0;border-bottom:1px solid var(--line)}.stat:last-child{border-bottom:0}.scene-item{align-items:flex-start}.scene-item img{width:88px;height:88px}.process-row{grid-template-columns:1fr}.member-table{overflow-x:auto}.row-plan{min-width:590px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.copyright{display:block}.copyright span{display:block;margin-bottom:8px}}

/* roulang page: category6 */
:root{
 --ink:#14202f;--muted:#657287;--navy:#101d35;--blue:#315fe8;
 --violet:#7657e8;--mint:#a7f0d0;--cream:#f7f8fc;--line:#e6eaf2;
 --card:#fff;--radius:24px;--shadow:0 18px 50px rgba(25,38,72,.10);
 --soft-shadow:0 9px 28px rgba(25,38,72,.08)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}
a{text-decoration:none;color:inherit;transition:.25s ease}
img{display:block;max-width:100%}
button,input{font:inherit}
button:focus,a:focus,input:focus{outline:3px solid rgba(167,240,208,.65);outline-offset:3px}
.container{max-width:1180px}
.site-header{position:absolute;z-index:20;top:18px;left:0;right:0}
.nav-shell{min-height:72px;border:1px solid rgba(255,255,255,.22);background:rgba(9,20,43,.72);backdrop-filter:blur(18px);border-radius:22px;padding:8px 18px;display:flex;align-items:center;justify-content:center;gap:15px;color:#fff}
.brand{font-size:21px;font-weight:800;letter-spacing:2px;white-space:nowrap;color:#fff}
.brand em{font-style:normal;color:var(--mint)}
.nav-side{display:flex;align-items:center;gap:10px;flex:1}
.nav-side:last-child{justify-content:flex-end}
.nav-link{font-size:14px;color:rgba(255,255,255,.78);padding:8px 5px;white-space:nowrap}
.nav-link:hover,.nav-link.active{color:var(--mint)}
.nav-cta{border-radius:999px;padding:9px 17px;background:var(--mint);color:var(--navy);font-weight:700;font-size:13px;white-space:nowrap}
.nav-cta:hover{background:#fff;transform:translateY(-2px)}
.menu-toggle{display:none;border:0;background:none;color:#fff;font-size:24px}
.hero{min-height:610px;padding:178px 0 85px;position:relative;background:linear-gradient(90deg,rgba(8,18,41,.93),rgba(16,29,53,.58)),url('/assets/images/backpic/back-2.webp') center/cover;color:#fff;overflow:hidden}
.hero:after{content:"";position:absolute;bottom:-160px;left:-5%;width:110%;height:230px;background:var(--cream);border-radius:50% 50% 0 0}
.hero-content{position:relative;z-index:2;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--mint);font-size:13px;font-weight:700;letter-spacing:1px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--mint)}
h1{font-size:clamp(38px,5vw,66px);line-height:1.18;letter-spacing:-2px;margin:16px 0 20px}
.hero p{font-size:18px;color:rgba(255,255,255,.84);max-width:680px}
.btn-main,.btn-outline{border-radius:999px;padding:13px 24px;font-weight:700;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center}
.btn-main{background:var(--mint);color:var(--navy)}
.btn-main:hover{background:#fff;color:var(--navy);transform:translateY(-3px);box-shadow:0 10px 24px #0003}
.btn-outline{border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline:hover{border-color:var(--mint);color:var(--mint)}
.hero-meta{display:flex;gap:35px;margin-top:42px;flex-wrap:wrap}
.hero-meta strong{display:block;font-size:25px;color:#fff}
.hero-meta span{font-size:13px;color:rgba(255,255,255,.62)}
section{padding:88px 0}
.section-head{max-width:700px;margin-bottom:40px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head h2{font-size:clamp(29px,4vw,45px);line-height:1.25;letter-spacing:-1.5px;margin:10px 0 14px}
.section-head p{color:var(--muted);margin:0}
.badge-soft,.data-badge{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:700;font-size:13px}
.data-badge{background:#edf1ff;border-radius:999px;padding:7px 12px}
.live-panel{margin-top:-70px;position:relative;z-index:5;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;display:grid;grid-template-columns:1.3fr .7fr auto;gap:25px;align-items:center}
.live-panel h2{font-size:22px;margin:8px 0 4px}
.live-panel p{color:var(--muted);margin:0;font-size:14px}
.countdown{display:flex;gap:10px}
.time-box{min-width:58px;text-align:center;background:var(--navy);color:#fff;border-radius:14px;padding:8px 7px}
.time-box strong{display:block;font-size:22px;line-height:1.25;color:var(--mint)}
.time-box span{font-size:11px;color:#b8c4d8}
.section-light{background:#fff}
.signal-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:25px;align-items:stretch}
.signal-card{border-radius:var(--radius);overflow:hidden;background:var(--navy);color:#fff;min-height:330px;position:relative;padding:35px}
.signal-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.signal-card .overlay{position:relative;z-index:1}
.signal-card h3{font-size:30px;max-width:400px;line-height:1.35}
.signal-card p{color:#cad4e5;max-width:480px}
.signal-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px 27px}
.signal-item{display:flex;gap:17px;padding:19px 0;border-bottom:1px solid var(--line)}
.signal-item:last-child{border-bottom:0}
.signal-icon{width:38px;height:38px;border-radius:13px;background:#edf1ff;color:var(--blue);display:grid;place-items:center;font-weight:800;flex:none}
.signal-item h3{font-size:17px;margin:0 0 3px}
.signal-item p{font-size:13px;color:var(--muted);margin:0}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.28s}
.feature-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}
.feature-card:nth-child(2){background:var(--navy);color:#fff}
.feature-card:nth-child(2) p{color:#bdc8dc}
.feature-card h3{font-size:21px;margin:17px 0 10px}
.feature-card p{color:var(--muted);font-size:14px;margin:0}
.icon-circle{width:50px;height:50px;border-radius:17px;background:#e8edff;color:var(--blue);display:grid;place-items:center;font-size:21px;font-weight:800}
.feature-card:nth-child(2) .icon-circle{background:rgba(167,240,208,.15);color:var(--mint)}
.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}
.story-grid img{height:390px;width:100%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.story-copy p{color:var(--muted)}
.check-list{padding:0;margin:22px 0;list-style:none}
.check-list li{padding:10px 0 10px 30px;border-bottom:1px solid var(--line);position:relative}
.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:800}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.scene{background:#fff;border:1px solid var(--line);border-radius:20px;padding:23px;min-height:180px}
.scene h3{font-size:18px;margin:15px 0 8px}
.scene p{font-size:13px;color:var(--muted);margin:0}
.scene strong{font-size:12px;color:var(--violet)}
.process{background:var(--navy);color:#fff}
.process .section-head p{color:#b9c5d9}
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{border-top:2px solid rgba(167,240,208,.5);padding-top:18px}
.step-number{color:var(--mint);font-size:13px;font-weight:800}
.step h3{font-size:19px;margin:10px 0}
.step p{font-size:13px;color:#b9c5d9;margin:0}
.proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.proof{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.proof blockquote{font-size:19px;line-height:1.7;margin:0 0 18px}
.proof cite{font-size:13px;color:var(--muted);font-style:normal}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:25px}
.metric{background:#f0f3fa;border-radius:16px;padding:15px}
.metric strong{display:block;font-size:26px;color:var(--blue)}
.metric span{font-size:12px;color:var(--muted)}
.plan-wrap{background:#eef1fb}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.plan.highlight{background:var(--navy);color:#fff;transform:translateY(-10px)}
.plan.highlight p,.plan.highlight li{color:#bbc7da}
.plan h3{font-size:21px}
.plan .price{font-size:34px;font-weight:800;margin:18px 0}
.plan ul{padding:0;list-style:none;color:var(--muted);font-size:14px}
.plan li{padding:8px 0;border-bottom:1px solid var(--line)}
.plan .btn-main{width:100%;margin-top:17px}
.faq{background:#fff}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-button{background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700;padding:22px 0}
.accordion-body{color:var(--muted);font-size:14px;padding:0 0 22px}
.cta{padding:76px 0;background:linear-gradient(120deg,#315fe8,#7657e8);color:#fff}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-size:clamp(28px,4vw,43px);margin:0 0 10px}
.cta p{color:#e1e6ff;margin:0;max-width:650px}
footer{background:var(--navy);color:#fff;padding:60px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(2,1fr);gap:35px}
.footer-brand p{color:#aebbd1;font-size:14px;max-width:360px}
.footer-title{font-weight:700;margin-bottom:13px}
.footer-links{display:flex;flex-direction:column;gap:8px;color:#aebbd1;font-size:14px}
.footer-links a:hover{color:var(--mint)}
.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;color:#9aa9c2;font-size:12px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}
@media(max-width:1024px){
 .nav-shell{gap:9px}.nav-side{gap:5px}.nav-link{font-size:12px}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .site-header{top:10px}.nav-shell{justify-content:space-between;padding:10px 16px}
 .nav-side{display:none}.brand{order:1}.menu-toggle{display:block;order:2}
 .nav-shell.open{display:block}.nav-shell.open .brand{display:inline-block}.nav-shell.open .menu-toggle{float:right}
 .nav-shell.open .nav-side{display:flex;flex-direction:column;align-items:stretch;gap:2px;margin-top:15px}
 .nav-shell.open .nav-side:last-child{justify-content:flex-start}.nav-shell.open .nav-link,.nav-shell.open .nav-cta{text-align:center}
 .hero{min-height:680px;padding:155px 0 90px}h1{letter-spacing:-1px}
 .live-panel,.signal-grid,.story-grid,.proof-grid{grid-template-columns:1fr}
 .live-panel{margin-top:-45px}.feature-grid,.plan-grid{grid-template-columns:1fr}
 .step-row{grid-template-columns:repeat(2,1fr);row-gap:28px}.plan.highlight{transform:none}
 .cta-box{display:block}.cta-box .btn-main{margin-top:25px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
 section{padding:65px 0}.hero p{font-size:16px}.hero-meta{gap:18px}
 .countdown{gap:5px}.time-box{min-width:48px}.time-box strong{font-size:18px}
 .scene-grid,.step-row,.metric-row,.footer-grid{grid-template-columns:1fr}
 .live-panel{padding:22px}.signal-card{padding:25px;min-height:360px}
 .copyright{display:block}.copyright span{display:block;margin-bottom:8px}
}