/* roulang page: index */
:root{--ink:#132238;--muted:#68788c;--navy:#10283d;--cyan:#47d7c3;--gold:#f1c36a;--paper:#f6f8f7;--line:#dce6e4;--white:#fff;--radius:24px;--shadow:0 18px 48px rgba(16,40,61,.10);--deep:#0d2438}
    *{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}a{text-decoration:none;color:inherit;transition:.25s ease}img{display:block;width:100%;object-fit:cover}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(1160px,calc(100% - 40px));margin:auto}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}h1,h2,h3{line-height:1.25;letter-spacing:-.03em}h2{font-size:clamp(28px,4vw,46px);color:var(--navy)}.section{padding:105px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}.section-head p{max-width:520px;color:var(--muted);font-size:15px}.dock-wrap{position:absolute;z-index:10;top:22px;left:0;width:100%}.dock{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:12px 14px 12px 22px;background:rgba(12,32,50,.86);border:1px solid rgba(255,255,255,.17);border-radius:60px;box-shadow:0 14px 35px rgba(5,22,34,.2);backdrop-filter:blur(18px)}.logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}.logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}.nav-links{display:flex;align-items:center;gap:5px}.nav-links a{color:#c8d7dd;font-size:14px;padding:9px 13px;border-radius:25px}.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}.nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22)}.nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}.menu-btn{display:none;color:#fff;background:transparent;font-size:25px}.hero{min-height:720px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.94),rgba(8,29,45,.52),rgba(8,29,45,.73)),url("/assets/images/backpic/back-1.webp") center/cover}.hero-content{padding-top:65px;max-width:760px}.hero .eyebrow{color:var(--cyan)}.hero h1{font-size:clamp(44px,7vw,84px);margin:20px 0 24px;max-width:800px}.hero-copy{font-size:18px;color:#d8e5e6;max-width:680px;line-height:1.9}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}.btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}.btn-secondary:hover{background:#fff;color:var(--navy)}.trust-row{display:flex;flex-wrap:wrap;gap:26px;color:#c1d3d4;font-size:13px}.trust-row span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}.story-grid,.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.story-copy p,.split-copy p{color:var(--muted);margin-top:22px}.story-image{height:470px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative}.story-image img{height:100%}.image-note{position:absolute;bottom:20px;left:20px;right:20px;padding:18px 20px;border-radius:16px;background:rgba(13,36,56,.84);color:#fff;font-size:14px}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}.feature-card{min-height:245px;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(16,40,61,.04);transition:.3s}.feature-card:first-child{background:var(--navy);color:#fff}.feature-card:hover,.content-card:hover,.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon{width:45px;height:45px;border-radius:14px;display:grid;place-items:center;background:#dff7f3;color:#128e84;font-size:21px;margin-bottom:25px}.feature-card:first-child .icon{background:rgba(71,215,195,.18);color:var(--cyan)}.feature-card h3{font-size:22px;margin-bottom:12px}.feature-card p{font-size:14px;color:var(--muted)}.feature-card:first-child p{color:#c3d5d8}.dark-section{background:var(--deep);color:#fff}.dark-section h2{color:#fff}.dark-section .section-head p{color:#a9c0c4}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{position:relative;min-height:245px;border-radius:20px;overflow:hidden}.topic-card img{height:100%;transition:.5s}.topic-card:hover img{transform:scale(1.06)}.topic-card:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(6,23,35,.9))}.topic-text{position:absolute;z-index:1;bottom:20px;left:22px;color:#fff}.topic-text h3{font-size:23px}.topic-text p{font-size:13px;color:#d3e0e1}.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.scene-item{display:flex;gap:18px;padding:23px;border-radius:18px;background:#fff;border:1px solid var(--line)}.scene-number{font-size:24px;font-weight:900;color:var(--cyan)}.scene-item h3{font-size:18px;margin-bottom:6px}.scene-item p{color:var(--muted);font-size:14px}.content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}.content-card{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);transition:.3s}.content-card img{height:220px}.content-body{padding:23px}.content-body h3{font-size:22px}.content-body p{color:var(--muted);font-size:14px;margin:10px 0 17px}.text-link{color:#148e83;font-weight:800;font-size:14px}.member{background:linear-gradient(135deg,#e9f8f4,#fff8e7);border-radius:28px;padding:50px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.perk-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}.perk{padding:17px;background:rgba(255,255,255,.78);border:1px solid #d8ebe5;border-radius:15px;font-size:14px}.perk strong{display:block;color:var(--navy);font-size:16px}.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.time-card{padding:25px 0;border-top:2px solid var(--cyan)}.time-card b{color:#148e83;font-size:13px}.time-card h3{font-size:20px;margin:12px 0 7px}.time-card p{font-size:14px;color:var(--muted)}.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.quote{padding:27px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.3s}.quote p{font-size:15px;color:#53677a}.quote footer{margin-top:22px;font-size:13px;font-weight:800;color:var(--navy)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.metric{padding:22px 0;border-bottom:1px solid rgba(255,255,255,.18)}.metric strong{display:block;font-size:37px;color:var(--gold)}.metric span{color:#bdd0d2;font-size:13px}.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:35px}.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}.news-date{color:#148e83;font-weight:800;font-size:13px}.news-item h3{font-size:18px}.news-item p{font-size:13px;color:var(--muted);margin-top:5px}.news-item .text-link{white-space:nowrap}.news-feature{padding:30px;border-radius:22px;background:var(--navy);color:#fff}.news-feature h3{font-size:25px;margin:15px 0}.news-feature p{color:#c3d5d8;font-size:14px}.security{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.security article{padding:28px;background:#fff;border-radius:20px;border:1px solid var(--line)}.security h3{font-size:19px;margin:15px 0 8px}.security p{font-size:14px;color:var(--muted)}.faq{max-width:850px;margin:auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}.faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}.faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}.faq details[open] summary:after{content:"－"}.faq details p{color:var(--muted);font-size:14px;padding-top:12px}.subscribe{background:var(--navy);border-radius:28px;padding:50px;display:flex;justify-content:space-between;align-items:center;gap:35px;color:#fff}.subscribe p{color:#bdd0d2;margin-top:10px}.subscribe-form{display:flex;gap:10px}.subscribe-form input{min-width:240px;padding:13px 17px;border-radius:25px;border:1px solid #5c7280;background:#19394f;color:#fff;outline:none}.subscribe-form input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(71,215,195,.18)}.cta{margin-top:100px;border-radius:28px;padding:55px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}.cta h2{color:#fff}.cta p{color:#c5dcda;margin-top:10px}.footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}.footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}.footer .logo{font-size:24px}.footer p{max-width:400px;font-size:14px;margin-top:13px}.footer-links{display:flex;gap:25px;font-size:14px}.footer-links a:hover{color:var(--cyan)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:12px}.footer-bottom a{color:#c4d9d9}.footer-bottom a:hover{color:var(--cyan)}.flash{position:absolute;top:0;left:0;width:100%;z-index:11;background:var(--gold);color:#283646;text-align:center;font-size:13px;font-weight:800;padding:6px}.flash b{margin-left:12px}.mobile-panel{display:none}
    @media(max-width:900px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.feature-grid,.content-grid,.news-layout{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.topic-grid{grid-template-columns:repeat(2,1fr)}.member{padding:35px;grid-template-columns:1fr}.metrics{grid-template-columns:repeat(2,1fr)}.subscribe,.cta{display:block}.subscribe-form{margin-top:25px}.cta .btn{margin-top:22px}}
    @media(max-width:650px){.container{width:min(100% - 28px,560px)}.section{padding:70px 0}.dock-wrap{top:35px}.dock{border-radius:20px;padding:12px 16px}.nav-links,.nav-cta{display:none}.menu-btn{display:block}.mobile-panel{position:absolute;top:61px;left:0;right:0;padding:10px;background:var(--navy);border-radius:16px;box-shadow:var(--shadow)}.mobile-panel.open{display:block}.mobile-panel a{display:block;color:#d2e0e1;padding:9px 10px}.hero{min-height:700px}.hero h1{font-size:46px}.hero-copy{font-size:16px}.section-head{display:block;margin-bottom:29px}.section-head p{margin-top:15px}.story-grid,.split,.feature-grid,.topic-grid,.scene-list,.content-grid,.timeline,.quotes,.security,.news-layout{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}.story-image{height:320px}.member{padding:27px 20px}.perk-list{grid-template-columns:1fr}.news-item{grid-template-columns:1fr;gap:3px}.news-item .text-link{margin-top:8px}.subscribe{padding:32px 24px}.subscribe-form{display:block}.subscribe-form input{width:100%;min-width:0}.subscribe-form .btn{margin-top:10px;width:100%}.footer-top,.footer-bottom{display:block}.footer-links{margin-top:25px;flex-wrap:wrap}.footer-bottom span,.footer-bottom div{display:block;margin-top:10px}.metrics{gap:12px}.metric strong{font-size:29px}}

/* roulang page: category1 */
:root{--ink:#132238;--muted:#68788c;--navy:#10283d;--cyan:#47d7c3;--gold:#f1c36a;--paper:#f6f8f7;--line:#dce6e4;--white:#fff;--radius:24px;--shadow:0 18px 48px rgba(16,40,61,.10);--deep:#0d2438}
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .dock-wrap{position:absolute;z-index:10;top:20px;left:0;right:0}
    .dock{min-height:68px;padding:10px 13px 10px 24px;display:flex;align-items:center;gap:22px;background:rgba(9,30,46,.88);border:1px solid rgba(255,255,255,.16);border-radius:38px;box-shadow:0 12px 32px rgba(4,18,29,.2);backdrop-filter:blur(14px)}
    .logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{color:#c8d7dd;font-size:14px;padding:9px 12px;border-radius:25px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}
    .nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22)}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{display:none;color:#fff;background:transparent;font-size:25px}
    .mobile-panel{display:none}
    .hero{min-height:650px;padding:150px 0 90px;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.60),rgba(8,29,45,.78)),url("/assets/images/backpic/back-2.jpg") center/cover}
    .hero-layout{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero .eyebrow{color:var(--cyan)}
    h1,h2,h3{line-height:1.25}
    h1{font-size:clamp(42px,6vw,72px);margin:20px 0 22px;letter-spacing:-.04em}
    h2{font-size:clamp(30px,4vw,46px);letter-spacing:-.03em}
    .hero-copy{font-size:18px;color:#d8e5e6;max-width:620px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}
    .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .trust-row{display:flex;flex-wrap:wrap;gap:22px;color:#c1d3d4;font-size:13px}
    .trust-row span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}
    .guide-card{background:#fff;color:var(--ink);border-radius:28px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.22)}
    .guide-card img{height:165px;border-radius:18px;margin-bottom:22px}
    .guide-card h3{font-size:25px;margin-bottom:9px}
    .guide-card p{font-size:14px;color:var(--muted)}
    .guide-meta{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:17px;border-top:1px solid var(--line);font-size:13px;color:#168f85;font-weight:800}
    .section{padding:100px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head p{max-width:540px;color:var(--muted);font-size:15px}
    .intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
    .intro-grid h2{margin-top:15px}
    .intro-text{font-size:17px;color:#42556b;line-height:2}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{min-height:245px;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(16,40,61,.04);transition:.3s}
    .feature-card:first-child{background:var(--navy);color:#fff}
    .feature-card:hover,.scene-item:hover,.content-card:hover,.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card h3{font-size:22px;margin:20px 0 12px}
    .feature-card p{font-size:14px;color:var(--muted)}
    .feature-card:first-child p{color:#c3d5d8}
    .icon{width:43px;height:43px;border-radius:14px;background:#e7f6f2;color:#168f85;display:grid;place-items:center;font-weight:900}
    .feature-card:first-child .icon{background:rgba(71,215,195,.18);color:var(--cyan)}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .topic-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
    .topic-card{position:relative;min-height:270px;border-radius:22px;overflow:hidden}
    .topic-card img{height:100%;transition:.5s}
    .topic-card:hover img{transform:scale(1.06)}
    .topic-card:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(6,23,35,.92))}
    .topic-card .topic-copy{position:absolute;z-index:2;left:25px;right:25px;bottom:22px}
    .topic-card h3{font-size:24px;margin:7px 0}
    .topic-card p{font-size:14px;color:#d5e4e4}
    .scene-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}
    .scene-image{border-radius:26px;overflow:hidden;box-shadow:var(--shadow)}
    .scene-image img{height:380px}
    .scene-list{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:25px}
    .scene-item{padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.3s}
    .scene-item strong{color:#168f85;font-size:13px;display:block;margin-bottom:6px}
    .scene-item h3{font-size:17px;margin-bottom:5px}
    .scene-item p{color:var(--muted);font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{padding:25px;background:#fff;border:1px solid var(--line);border-radius:20px;position:relative}
    .step-num{color:#168f85;font-size:14px;font-weight:900}
    .step h3{font-size:19px;margin:15px 0 8px}
    .step p{font-size:14px;color:var(--muted)}
    .proof-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:20px}
    .quote{background:#fff;border:1px solid var(--line);border-radius:24px;padding:32px;transition:.3s}
    .quote p{font-size:19px;line-height:1.9}
    .quote footer{margin-top:22px;font-size:13px;font-weight:800;color:var(--navy)}
    .metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .metric{padding:25px;border-radius:20px;background:#e8f5f1}
    .metric b{display:block;font-size:32px;color:#168f85;line-height:1.2}
    .metric span{font-size:13px;color:var(--muted)}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .plan{padding:29px;background:#fff;border:1px solid var(--line);border-radius:22px}
    .plan.featured{background:var(--navy);color:#fff;border-color:var(--navy)}
    .plan h3{font-size:22px;margin:10px 0}
    .plan p{font-size:14px;color:var(--muted);min-height:55px}
    .plan.featured p{color:#c3d5d8}
    .plan ul{list-style:none;margin:20px 0}
    .plan li{padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
    .plan.featured li{border-color:rgba(255,255,255,.15)}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}
    .faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    .faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px}
    .cta{margin-top:10px;border-radius:28px;padding:52px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff}
    .cta p{color:#c5dcda;margin-top:10px;max-width:650px}
    .footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer .logo{font-size:24px}
    .footer p{max-width:440px;font-size:14px;margin-top:13px}
    .footer-links{display:flex;gap:25px;flex-wrap:wrap;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px}
    :focus-visible{outline:3px solid rgba(71,215,195,.75);outline-offset:3px}
    @media(max-width:1024px){.dock{gap:12px}.nav-links a{padding:8px 7px;font-size:13px}.hero-layout,.scene-layout,.proof-grid,.intro-grid{gap:35px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.dock{padding:11px 17px}.nav-links,.dock>.nav-cta{display:none}.menu-btn{display:block;margin-left:auto}.mobile-panel{position:absolute;display:none;top:75px;left:0;right:0;padding:15px;background:var(--navy);border:1px solid rgba(255,255,255,.15);border-radius:20px;box-shadow:var(--shadow)}.mobile-panel.open{display:grid}.mobile-panel a{padding:10px 12px;color:#d8e5e6;border-radius:12px}.mobile-panel a:hover{background:rgba(71,215,195,.16);color:#fff}.hero{padding:140px 0 75px;min-height:auto}.hero-layout,.scene-layout,.proof-grid,.intro-grid{grid-template-columns:1fr}.hero h1{font-size:48px}.section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.topic-grid{grid-template-columns:1fr}.scene-image img{height:280px}.plan-grid{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:25px}}
    @media(max-width:520px){.hero h1{font-size:40px}.hero-copy{font-size:16px}.hero-actions,.cta{display:block}.hero-actions .btn,.cta .btn{width:100%;margin-bottom:11px}.feature-grid,.scene-list,.metrics{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}.steps{grid-template-columns:1fr}.guide-card{padding:18px}.guide-card img{height:145px}.topic-card{min-height:235px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}}

/* roulang page: category3 */
:root{
      --ink:#132238;
      --muted:#68788c;
      --navy:#10283d;
      --cyan:#47d7c3;
      --gold:#f1c36a;
      --paper:#f6f8f7;
      --line:#dce6e4;
      --white:#fff;
      --radius:24px;
      --shadow:0 18px 48px rgba(16,40,61,.10);
      --deep:#0d2438;
      --soft:#edf5f3;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .dock-wrap{position:absolute;z-index:20;top:22px;left:0;width:100%}
    .dock{position:relative;display:flex;align-items:center;gap:20px;padding:12px 15px 12px 22px;border:1px solid rgba(255,255,255,.17);border-radius:32px;background:rgba(10,29,45,.84);box-shadow:0 14px 35px rgba(4,18,28,.18);backdrop-filter:blur(16px)}
    .logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1}
    .nav-links a{color:#c8d7dd;font-size:14px;padding:9px 12px;border-radius:25px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}
    .nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22);white-space:nowrap}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{display:none;color:#fff;background:transparent;font-size:25px}
    .mobile-panel{display:none}
    .hero{min-height:530px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.62),rgba(8,29,45,.78)),url("/assets/images/backpic/back-2.jpg") center/cover}
    .hero-content{padding:130px 0 66px;max-width:780px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero .eyebrow{color:var(--cyan)}
    .hero h1{font-size:clamp(42px,6vw,72px);line-height:1.18;margin:18px 0 22px;letter-spacing:-.04em}
    .hero-copy{font-size:18px;color:#d8e5e6;max-width:710px;line-height:1.95}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}
    .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .section{padding:96px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,48px);line-height:1.25;letter-spacing:-.03em;margin:10px 0 0}
    .section-head p{max-width:530px;color:var(--muted);font-size:15px;margin:0}
    .intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
    .intro-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.3;margin:13px 0 20px}
    .intro-copy p{color:var(--muted);font-size:16px}
    .intro-image{position:relative}
    .intro-image img{height:390px;border-radius:28px}
    .floating-note{position:absolute;right:-20px;bottom:22px;width:220px;padding:20px;border-radius:18px;background:var(--navy);color:#fff;box-shadow:var(--shadow)}
    .floating-note strong{display:block;color:var(--cyan);font-size:27px;line-height:1.2}
    .floating-note span{font-size:13px;color:#c6d9db}
    .activity-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .activity-main{padding:34px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 8px 25px rgba(16,40,61,.04)}
    .activity-main h3{font-size:26px;margin:8px 0 12px}
    .activity-main>p{color:var(--muted);max-width:680px}
    .activity-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
    .badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:20px;background:var(--soft);color:#168f85;font-size:12px;font-weight:800}
    .badge.gold{background:#fff5db;color:#9a6a14}
    .activity-list{margin-top:25px;border-top:1px solid var(--line)}
    .activity-row{display:grid;grid-template-columns:105px 1fr auto;align-items:center;gap:18px;padding:21px 0;border-bottom:1px solid var(--line)}
    .activity-date{font-size:13px;color:#168f85;font-weight:800}
    .activity-row h4{font-size:17px;margin:0 0 4px}
    .activity-row p{font-size:13px;color:var(--muted);margin:0}
    .activity-side{padding:32px;border-radius:var(--radius);background:var(--navy);color:#fff;min-height:100%}
    .activity-side h3{font-size:25px;line-height:1.35;margin:12px 0}
    .activity-side p{color:#bdd0d4;font-size:14px}
    .mini-stat{display:flex;justify-content:space-between;gap:15px;padding:18px 0;border-top:1px solid rgba(255,255,255,.16)}
    .mini-stat b{font-size:24px;color:var(--cyan)}
    .mini-stat span{font-size:13px;color:#bfd1d4;text-align:right}
    .benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .benefit-card{padding:27px 23px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.3s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .icon{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:#e3f7f3;color:#168f85;font-weight:900;font-size:20px;margin-bottom:20px}
    .benefit-card h3{font-size:19px;margin:0 0 8px}
    .benefit-card p{color:var(--muted);font-size:14px;margin:0}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .scene-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}
    .scene-image img{height:420px;border-radius:25px}
    .scene-list{display:grid;grid-template-columns:1fr 1fr;gap:15px}
    .scene-item{padding:22px;border-radius:17px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
    .scene-item h3{font-size:18px;margin:0 0 7px;color:#fff}
    .scene-item p{font-size:14px;color:#b3c9cc;margin:0}
    .process{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line)}
    .process-item{position:relative;padding:30px 28px 10px 0;border-right:1px solid var(--line);margin-right:28px}
    .process-item:last-child{border-right:0;margin-right:0}
    .process-num{font-size:13px;color:#168f85;font-weight:900;letter-spacing:.12em}
    .process-item h3{font-size:21px;margin:13px 0 8px}
    .process-item p{font-size:14px;color:var(--muted);margin:0}
    .quote-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .quote{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line);transition:.3s}
    .quote p{font-size:17px;line-height:1.85;margin:0}
    .quote footer{margin-top:21px;font-size:13px;font-weight:800;color:var(--navy)}
    .rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .rule-card{padding:30px;border-radius:22px;background:#fff;border:1px solid var(--line)}
    .rule-card h3{font-size:22px;margin:0 0 12px}
    .rule-card p{color:var(--muted);font-size:14px;margin:0}
    .rule-card ul{padding:0;margin:18px 0 0;list-style:none}
    .rule-card li{padding:9px 0;border-top:1px solid var(--line);font-size:14px}
    .rule-card li:before{content:"✓";color:#168f85;font-weight:900;margin-right:9px}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}
    .faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px;margin:0}
    .cta{margin-top:30px;border-radius:28px;padding:48px 55px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;font-size:34px;line-height:1.35;margin:0}
    .cta p{color:#c5dcda;margin:10px 0 0;max-width:650px}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0}
    .footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer .logo{font-size:24px}
    .footer p{max-width:440px;font-size:14px;margin:13px 0 0}
    .footer-links{display:flex;flex-wrap:wrap;gap:25px;font-size:14px;align-content:flex-start}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px}
    .footer-records{display:flex;flex-wrap:wrap;gap:14px}
    :focus-visible{outline:3px solid rgba(71,215,195,.65);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding:8px 8px;font-size:13px}
      .dock{gap:10px}
      .benefit-grid{grid-template-columns:repeat(2,1fr)}
      .intro-grid,.activity-layout,.scene-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 30px,600px)}
      .dock-wrap{top:14px}
      .dock{padding:11px 15px 11px 18px}
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:block;margin-left:auto}
      .mobile-panel{display:none;position:absolute;top:65px;left:0;right:0;padding:12px;border:1px solid rgba(255,255,255,.16);border-radius:20px;background:#10283d;box-shadow:var(--shadow)}
      .mobile-panel.open{display:grid}
      .mobile-panel a{padding:11px 13px;color:#d8e5e6;border-radius:12px}
      .mobile-panel a:hover,.mobile-panel a.active{background:rgba(71,215,195,.15);color:#fff}
      .hero{min-height:620px}
      .hero-content{padding-top:120px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:30px}
      .section-head p{margin-top:14px}
      .intro-grid,.activity-layout,.scene-grid,.quote-panel,.rule-grid{grid-template-columns:1fr}
      .intro-image img,.scene-image img{height:300px}
      .floating-note{right:12px}
      .activity-row{grid-template-columns:1fr;gap:4px}
      .activity-row .btn{justify-self:start;margin-top:7px}
      .process{grid-template-columns:1fr;border-top:0}
      .process-item{border-right:0;border-top:1px solid var(--line);margin:0;padding:24px 0}
      .cta{display:block;padding:36px 27px;margin-top:10px}
      .cta h2{font-size:29px}
      .cta-actions{margin-top:25px}
      .footer-top{display:block}
      .footer-links{margin-top:25px}
    }
    @media(max-width:520px){
      .hero h1{font-size:41px}
      .hero-copy{font-size:16px}
      .hero-actions .btn{width:100%}
      .benefit-grid,.scene-list{grid-template-columns:1fr}
      .activity-main,.activity-side,.rule-card{padding:24px}
      .intro-image img{height:250px}
      .floating-note{position:relative;right:auto;bottom:auto;margin:-45px 15px 0;z-index:2}
      .footer-bottom{display:block}
      .footer-records{margin-top:12px}
    }

/* roulang page: category2 */
:root{
      --ink:#132238;
      --muted:#68788c;
      --navy:#10283d;
      --cyan:#47d7c3;
      --gold:#f1c36a;
      --paper:#f6f8f7;
      --line:#dce6e4;
      --white:#fff;
      --radius:24px;
      --shadow:0 18px 48px rgba(16,40,61,.10);
      --deep:#0d2438;
      --soft-cyan:#e9f8f5;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--ink);
      background:var(--paper);
      line-height:1.85;
      overflow-x:hidden
    }
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    h1,h2,h3,p{margin:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#168f85;
      font-weight:800;
      letter-spacing:.12em;
      font-size:12px
    }
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .section{padding:96px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:30px;
      margin-bottom:42px
    }
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.03em}
    .section-head p{max-width:520px;color:var(--muted);font-size:15px}
    .logo{
      font-weight:900;
      color:#fff;
      font-size:21px;
      letter-spacing:.08em;
      white-space:nowrap
    }
    .logo i{
      display:inline-block;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--cyan);
      margin-left:5px
    }
    .dock-wrap{
      position:absolute;
      z-index:20;
      top:18px;
      left:0;
      width:100%
    }
    .dock{
      position:relative;
      min-height:68px;
      display:flex;
      align-items:center;
      gap:18px;
      padding:10px 14px 10px 24px;
      border:1px solid rgba(255,255,255,.14);
      border-radius:38px;
      background:rgba(13,36,56,.82);
      box-shadow:0 12px 34px rgba(4,22,35,.2);
      backdrop-filter:blur(18px)
    }
    .nav-links{
      display:flex;
      align-items:center;
      gap:4px;
      margin-left:auto
    }
    .nav-links a{
      color:#c8d7dd;
      font-size:14px;
      padding:9px 12px;
      border-radius:25px;
      white-space:nowrap
    }
    .nav-links a:hover,.nav-links a.active{
      color:#fff;
      background:rgba(71,215,195,.16)
    }
    .nav-cta,.btn-primary{
      background:var(--cyan);
      color:var(--deep);
      font-weight:800;
      border-radius:25px;
      padding:11px 20px;
      box-shadow:0 8px 20px rgba(71,215,195,.22);
      white-space:nowrap
    }
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{
      display:none;
      color:#fff;
      background:transparent;
      font-size:25px;
      padding:3px 8px
    }
    .mobile-panel{
      display:none;
      position:absolute;
      top:76px;
      left:0;
      right:0;
      padding:15px;
      border-radius:20px;
      background:var(--deep);
      box-shadow:var(--shadow)
    }
    .mobile-panel a{
      display:block;
      color:#d9e8e8;
      padding:10px 12px;
      border-radius:12px;
      font-size:14px
    }
    .mobile-panel a:hover{background:rgba(71,215,195,.15);color:#fff}
    .mobile-panel.open{display:block}
    .inner-hero{
      position:relative;
      min-height:520px;
      padding:160px 0 85px;
      color:#fff;
      background:
        linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.68),rgba(8,29,45,.48)),
        url("/assets/images/backpic/back-2.jpg") center/cover
    }
    .inner-hero:after{
      content:"";
      position:absolute;
      right:7%;
      bottom:35px;
      width:190px;
      height:190px;
      border:1px solid rgba(71,215,195,.35);
      border-radius:50%;
      box-shadow:0 0 0 24px rgba(71,215,195,.05),0 0 0 48px rgba(71,215,195,.03)
    }
    .hero-copy{position:relative;z-index:1;max-width:750px}
    .hero-copy .eyebrow{color:var(--cyan)}
    .hero-copy h1{
      margin:18px 0 20px;
      font-size:clamp(42px,6vw,76px);
      line-height:1.18;
      letter-spacing:-.045em
    }
    .hero-copy p{max-width:680px;color:#d8e5e6;font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:13px 23px;
      border-radius:28px;
      font-weight:800;
      transition:.25s
    }
    .btn-secondary{
      color:#fff;
      border:1px solid rgba(255,255,255,.35);
      background:rgba(255,255,255,.08)
    }
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .intro-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:70px;
      align-items:center
    }
    .intro-text h2{font-size:clamp(30px,4vw,48px);line-height:1.28;margin:16px 0 20px}
    .intro-text p{color:var(--muted);font-size:16px;margin-bottom:18px}
    .image-frame{
      position:relative;
      padding:12px;
      border-radius:30px;
      background:#fff;
      box-shadow:var(--shadow);
      transform:rotate(1.2deg)
    }
    .image-frame img{height:390px;border-radius:22px}
    .image-note{
      position:absolute;
      left:-28px;
      bottom:28px;
      max-width:230px;
      padding:18px 20px;
      color:#fff;
      border-radius:18px;
      background:var(--navy);
      box-shadow:var(--shadow);
      font-size:14px
    }
    .benefit-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px
    }
    .benefit-card{
      min-height:230px;
      padding:25px 22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      transition:.3s
    }
    .benefit-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
    .benefit-card.featured{background:var(--navy);color:#fff}
    .icon{
      display:grid;
      place-items:center;
      width:46px;
      height:46px;
      margin-bottom:23px;
      color:#148e83;
      background:var(--soft-cyan);
      border-radius:14px;
      font-size:21px;
      font-weight:900
    }
    .featured .icon{color:var(--cyan);background:rgba(71,215,195,.16)}
    .benefit-card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
    .benefit-card p{font-size:14px;color:var(--muted)}
    .featured p{color:#c3d5d8}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .tier-layout{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:50px;
      align-items:start
    }
    .tier-intro p{color:#b9cdd0;font-size:15px;margin-top:18px}
    .tier-points{display:grid;gap:12px;margin-top:28px}
    .tier-points li{
      list-style:none;
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#d8e6e6;
      font-size:14px
    }
    .tier-points li:before{content:"✓";color:var(--cyan);font-weight:900}
    .tier-table{display:grid;gap:12px}
    .tier-row{
      display:grid;
      grid-template-columns:1.1fr 1fr 1fr 1fr;
      align-items:center;
      gap:12px;
      padding:18px 20px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:17px;
      background:rgba(255,255,255,.05)
    }
    .tier-row:first-child{
      color:var(--deep);
      background:var(--cyan);
      border-color:var(--cyan);
      font-weight:800
    }
    .tier-row span{font-size:14px}
    .service-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px
    }
    .service-card{
      display:grid;
      grid-template-columns:130px 1fr;
      min-height:190px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      transition:.3s
    }
    .service-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service-card img{height:100%;min-height:190px}
    .service-body{padding:23px}
    .service-body h3{font-size:21px;margin-bottom:9px}
    .service-body p{color:var(--muted);font-size:14px}
    .tag{
      display:inline-flex;
      align-items:center;
      padding:5px 10px;
      color:#168f85;
      background:var(--soft-cyan);
      border-radius:20px;
      font-size:12px;
      font-weight:800;
      margin-bottom:12px
    }
    .scene-wrap{
      display:grid;
      grid-template-columns:1fr 1.3fr;
      gap:54px;
      align-items:center
    }
    .scene-wrap h2{font-size:clamp(30px,4vw,46px);line-height:1.3;margin:15px 0}
    .scene-wrap>div>p{color:var(--muted);font-size:15px}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .scene-item{
      padding:22px;
      border-radius:19px;
      background:#fff;
      border:1px solid var(--line)
    }
    .scene-item strong{
      display:block;
      color:#168f85;
      font-size:13px;
      margin-bottom:7px
    }
    .scene-item h3{font-size:18px;margin-bottom:6px}
    .scene-item p{color:var(--muted);font-size:13px}
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:0
    }
    .process-step{
      position:relative;
      padding:24px 25px 24px 0;
      border-top:2px solid var(--cyan)
    }
    .process-step:not(:last-child):after{
      content:"→";
      position:absolute;
      right:18px;
      top:-18px;
      color:var(--cyan);
      font-size:25px
    }
    .process-step b{color:#168f85;font-size:13px}
    .process-step h3{font-size:19px;margin:12px 0 7px}
    .process-step p{color:var(--muted);font-size:14px;padding-right:20px}
    .proof-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px
    }
    .quote{
      padding:35px;
      border-radius:25px;
      background:#fff;
      border:1px solid var(--line);
      transition:.3s
    }
    .quote-mark{color:var(--cyan);font-size:55px;line-height:.8}
    .quote p{font-size:20px;line-height:1.7;margin:15px 0 22px}
    .quote footer{font-size:13px;font-weight:800;color:var(--navy)}
    .metric-panel{
      padding:30px;
      border-radius:25px;
      background:var(--navy);
      color:#fff
    }
    .metric-panel h3{font-size:22px;margin-bottom:25px}
    .metric{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding:17px 0;
      border-bottom:1px solid rgba(255,255,255,.15)
    }
    .metric:last-child{border-bottom:0}
    .metric span{color:#bdd0d1;font-size:14px}
    .metric strong{color:var(--cyan);font-size:21px}
    .faq{max-width:850px;margin:auto}
    .faq details{
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
      margin:12px 0;
      padding:19px 23px
    }
    .faq summary{
      font-weight:800;
      cursor:pointer;
      list-style:none;
      position:relative;
      padding-right:25px
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{
      content:"＋";
      position:absolute;
      right:0;
      color:#148e83
    }
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px}
    .cta{
      margin-top:0;
      border-radius:28px;
      padding:52px;
      background:linear-gradient(110deg,#143b53,#0e6870);
      color:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:30px
    }
    .cta h2{font-size:clamp(28px,4vw,42px);color:#fff;line-height:1.3}
    .cta p{color:#c5dcda;margin-top:10px;max-width:650px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
    .footer{
      background:#0a1d2d;
      color:#a7bdc1;
      padding:58px 0 24px
    }
    .footer-top{
      display:flex;
      justify-content:space-between;
      gap:40px;
      padding-bottom:35px;
      border-bottom:1px solid rgba(255,255,255,.13)
    }
    .footer .logo{font-size:24px}
    .footer p{max-width:430px;font-size:14px;margin-top:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:22px;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:12px;
      padding-top:22px;
      font-size:12px
    }
    .footer-bottom a:hover{color:#fff}
    :focus-visible{outline:3px solid rgba(71,215,195,.65);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links{gap:0}
      .nav-links a{padding:8px 8px;font-size:13px}
      .benefit-grid{grid-template-columns:repeat(2,1fr)}
      .tier-layout,.scene-wrap{grid-template-columns:1fr;gap:34px}
      .process{grid-template-columns:repeat(2,1fr);gap:20px}
      .process-step:not(:last-child):after{display:none}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,620px)}
      .dock-wrap{top:10px}
      .dock{padding:10px 14px 10px 18px}
      .nav-links,.dock>.nav-cta{display:none}
      .menu-btn{display:block;margin-left:auto}
      .inner-hero{min-height:570px;padding:150px 0 75px}
      .inner-hero:after{right:-60px;bottom:30px}
      .section{padding:70px 0}
      .section-head{display:block;margin-bottom:28px}
      .section-head p{margin-top:14px}
      .intro-grid,.proof-grid{grid-template-columns:1fr;gap:35px}
      .image-frame img{height:300px}
      .image-note{left:12px;bottom:18px}
      .service-layout{grid-template-columns:1fr}
      .scene-list{grid-template-columns:1fr}
      .tier-row{grid-template-columns:1.1fr 1fr 1fr 1fr;padding:14px 10px;gap:5px}
      .tier-row span{font-size:12px}
      .cta{display:block;padding:34px 25px}
      .cta-actions{margin-top:25px}
      .footer-top{display:block}
      .footer-links{margin-top:25px}
    }
    @media(max-width:520px){
      .benefit-grid{grid-template-columns:1fr}
      .benefit-card{min-height:auto}
      .hero-copy h1{font-size:43px}
      .hero-copy p{font-size:16px}
      .hero-actions .btn{width:100%}
      .service-card{grid-template-columns:1fr}
      .service-card img{height:180px;min-height:0}
      .process{grid-template-columns:1fr}
      .tier-row{overflow-x:auto;min-width:520px}
      .tier-table{overflow-x:auto}
      .quote{padding:25px}
      .quote p{font-size:17px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:8px}
    }

/* roulang page: category5 */
:root{--ink:#132238;--muted:#68788c;--navy:#10283d;--cyan:#47d7c3;--gold:#f1c36a;--paper:#f6f8f7;--line:#dce6e4;--white:#fff;--radius:24px;--shadow:0 18px 48px rgba(16,40,61,.10);--deep:#0d2438}
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .dock-wrap{position:absolute;z-index:20;top:22px;left:0;right:0}
    .dock{min-height:68px;padding:12px 14px 12px 24px;border:1px solid rgba(255,255,255,.17);border-radius:38px;background:rgba(10,29,45,.78);backdrop-filter:blur(18px);display:flex;align-items:center;gap:16px;box-shadow:0 12px 35px rgba(4,20,30,.2)}
    .logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
    .nav-links a{color:#c8d7dd;font-size:14px;padding:9px 12px;border-radius:25px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}
    .nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22)}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{display:none;color:#fff;background:transparent;font-size:25px}
    .mobile-panel{display:none}
    .hero{min-height:620px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.64),rgba(8,29,45,.82)),url("/assets/images/backpic/back-2.jpg") center/cover}
    .hero-content{padding-top:58px;max-width:790px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero .eyebrow{color:var(--cyan)}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.18;margin:19px 0 22px}
    .hero-copy{font-size:18px;color:#d8e5e6;max-width:700px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}
    .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .trust-row{display:flex;flex-wrap:wrap;gap:24px;color:#c1d3d4;font-size:13px}
    .trust-row span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin-top:12px}
    .section-head p{max-width:520px;color:var(--muted);font-size:15px}
    .search-panel{margin-top:-48px;position:relative;z-index:5;padding:25px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
    .search-row{display:flex;gap:12px}
    .search-row input{flex:1;border:1px solid var(--line);border-radius:17px;padding:14px 18px;color:var(--ink);outline:none;background:#fbfcfc}
    .search-row input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(71,215,195,.15)}
    .quick-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:15px}
    .quick-links a,.tag{padding:6px 13px;border-radius:20px;background:#edf7f5;color:#147f77;font-size:13px;font-weight:700}
    .quick-links a:hover,.tag:hover{background:var(--cyan);color:var(--deep)}
    .intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:65px;align-items:center}
    .intro-copy p{color:var(--muted);font-size:16px;margin-top:18px}
    .intro-image{border-radius:25px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(1deg)}
    .intro-image img{height:360px}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature-card{min-height:245px;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(16,40,61,.04);transition:.3s}
    .feature-card:first-child{background:var(--navy);color:#fff}
    .feature-card:hover,.content-card:hover,.scene-item:hover,.proof:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card h3{font-size:21px;margin:22px 0 10px}
    .feature-card p{font-size:14px;color:var(--muted)}
    .feature-card:first-child p{color:#c3d5d8}
    .icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#e8f6f3;color:#148e83;font-weight:900;font-size:18px}
    .feature-card:first-child .icon{background:rgba(71,215,195,.18);color:var(--cyan)}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .content-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px}
    .content-card{background:#fff;border-radius:22px;overflow:hidden;border:1px solid var(--line);transition:.3s}
    .content-card img{height:220px}
    .content-body{padding:23px}
    .content-body h3{font-size:22px;line-height:1.45}
    .content-body p{color:var(--muted);font-size:14px;margin:10px 0 17px}
    .text-link{color:#148e83;font-weight:800;font-size:14px}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scene-item{display:flex;gap:17px;padding:23px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.3s}
    .scene-item h3{font-size:18px;margin-bottom:6px}
    .scene-item p{color:var(--muted);font-size:14px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .process-step{padding:28px 24px 20px;border-right:1px solid var(--line);position:relative}
    .process-step:last-child{border-right:0}
    .process-step b{color:#148e83;font-size:13px}
    .process-step h3{font-size:19px;margin:13px 0 7px}
    .process-step p{font-size:14px;color:var(--muted)}
    .proof-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .proof{padding:27px;border:1px solid rgba(255,255,255,.15);border-radius:20px;background:rgba(255,255,255,.06);transition:.3s}
    .proof p{color:#c6d5d7;font-size:15px}
    .proof footer{margin-top:18px;color:var(--cyan);font-size:13px;font-weight:800}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}
    .faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    .faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px}
    .cta{margin-top:20px;border-radius:28px;padding:52px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;font-size:34px;line-height:1.35}
    .cta p{color:#c5dcda;margin-top:10px}
    .footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer .logo{font-size:24px}
    .footer p{max-width:420px;font-size:14px;margin-top:13px}
    .footer-links{display:flex;gap:24px;flex-wrap:wrap;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:13px}
    .footer-bottom a{color:#d0dcdc}.footer-bottom a:hover{color:var(--cyan)}
    :focus-visible{outline:3px solid rgba(71,215,195,.65);outline-offset:3px}
    @media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:13px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.process{grid-template-columns:1fr 1fr}.process-step:nth-child(2){border-right:0}}
    @media(max-width:768px){.container{width:min(100% - 30px,600px)}.dock{padding-left:18px}.nav-links,.nav-cta{display:none}.menu-btn{display:block;margin-left:auto}.mobile-panel{position:absolute;display:none;top:75px;left:0;right:0;padding:12px;border-radius:20px;background:var(--navy);box-shadow:var(--shadow)}.mobile-panel.open{display:grid}.mobile-panel a{padding:11px 15px;color:#d8e5e6;border-radius:12px}.mobile-panel a:hover{background:rgba(71,215,195,.15);color:#fff}.hero{min-height:650px}.hero-content{padding-top:65px}.intro-grid,.content-grid,.proof-grid{grid-template-columns:1fr;gap:28px}.section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.scene-list{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:25px}}
    @media(max-width:520px){.hero h1{font-size:42px}.hero-copy{font-size:16px}.hero-actions,.search-row{display:grid;grid-template-columns:1fr}.search-row input{min-width:0}.feature-grid{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}.process{grid-template-columns:1fr}.process-step{border-right:0;border-bottom:1px solid var(--line)}.process-step:last-child{border-bottom:0}.cta{padding:32px 24px;display:block}.cta h2{font-size:28px}.cta .btn{margin-top:22px;width:100%}.intro-image img{height:270px}.footer-bottom{display:block}.footer-bottom div{margin-top:8px}}

/* roulang page: category4 */
:root{--ink:#132238;--muted:#68788c;--navy:#10283d;--cyan:#47d7c3;--gold:#f1c36a;--paper:#f6f8f7;--line:#dce6e4;--white:#fff;--radius:24px;--shadow:0 18px 48px rgba(16,40,61,.10);--deep:#0d2438}
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .dock-wrap{position:absolute;z-index:10;top:22px;left:0;right:0}
    .dock{position:relative;display:flex;align-items:center;gap:17px;padding:10px 12px 10px 22px;border:1px solid rgba(255,255,255,.16);border-radius:40px;background:rgba(10,29,45,.78);box-shadow:0 12px 35px rgba(0,0,0,.16);backdrop-filter:blur(14px)}
    .logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{color:#c8d7dd;font-size:14px;padding:9px 12px;border-radius:25px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}
    .nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22)}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{display:none;color:#fff;background:transparent;font-size:25px}
    .mobile-panel{display:none}
    .hero{min-height:690px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.56),rgba(8,29,45,.76)),url("/assets/images/backpic/back-2.jpg") center/cover}
    .hero-content{padding-top:65px;max-width:720px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero .eyebrow{color:var(--cyan)}
    h1,h2,h3{line-height:1.3}
    h1{font-size:clamp(42px,6vw,75px);margin:20px 0 22px;letter-spacing:-.04em}
    h2{font-size:clamp(29px,4vw,45px);letter-spacing:-.03em}
    .hero-copy{font-size:18px;color:#d8e5e6;max-width:680px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:32px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}
    .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .trust-row{display:flex;flex-wrap:wrap;gap:26px;color:#c1d3d4;font-size:13px}
    .trust-row span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}
    .section{padding:98px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head p{max-width:520px;color:var(--muted);font-size:15px}
    .section-head h2{margin-top:12px}
    .progress-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:54px;align-items:center}
    .progress-box{padding:36px;border-radius:var(--radius);background:var(--navy);color:#fff;box-shadow:var(--shadow)}
    .ring{width:194px;height:194px;margin:12px auto 24px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--cyan) 0 72%,rgba(255,255,255,.12) 72% 100%);position:relative}
    .ring:after{content:"";position:absolute;inset:14px;border-radius:50%;background:var(--navy)}
    .ring strong{position:relative;z-index:1;font-size:39px;color:var(--cyan)}
    .progress-box{text-align:center}
    .progress-box p{font-size:14px;color:#c7d9db}
    .tier-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .tier{padding:25px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.3s}
    .tier:hover,.feature:hover,.scene:hover,.quote:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .tier.featured{border:2px solid var(--cyan);position:relative}
    .tier.featured:before{content:"推荐档位";position:absolute;top:14px;right:16px;color:#168f85;font-size:12px;font-weight:800}
    .tier b{display:block;color:#168f85;font-size:13px;margin-bottom:10px}
    .tier h3{font-size:22px;margin-bottom:8px}
    .tier p{font-size:14px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .feature{min-height:230px;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.3s}
    .feature:first-child{background:var(--navy);color:#fff}
    .feature h3{font-size:21px;margin:28px 0 10px}
    .feature p{font-size:14px;color:var(--muted)}
    .feature:first-child p{color:#c3d5d8}
    .icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;background:#e4f7f3;color:#168f85;font-weight:900}
    .feature:first-child .icon{background:rgba(71,215,195,.18);color:var(--cyan)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
    .story-image{position:relative}
    .story-image img{height:430px;border-radius:25px}
    .image-note{position:absolute;bottom:22px;left:22px;padding:13px 17px;border-radius:14px;background:rgba(13,36,56,.87);color:#fff;font-size:13px}
    .copy p{color:var(--muted);margin:17px 0}
    .check-list{list-style:none;margin-top:22px}
    .check-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
    .check-list li:before{content:"✦";color:#168f85;margin-right:12px}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .topic-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
    .topic-card{position:relative;min-height:275px;border-radius:20px;overflow:hidden}
    .topic-card img{height:100%;transition:.5s}
    .topic-card:hover img{transform:scale(1.06)}
    .topic-card:after{content:"";position:absolute;inset:30% 0 0;background:linear-gradient(transparent,rgba(6,23,35,.93))}
    .topic-card .topic-text{position:absolute;z-index:1;left:24px;right:20px;bottom:20px}
    .topic-card h3{font-size:21px;margin-bottom:5px}
    .topic-card p{font-size:13px;color:#c8dadd}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scene{display:flex;gap:17px;padding:22px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.3s}
    .scene h3{font-size:18px;margin-bottom:5px}
    .scene p{color:var(--muted);font-size:14px}
    .quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quote{padding:27px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:.3s}
    .quote p{font-size:15px}
    .quote footer{margin-top:20px;font-size:13px;font-weight:800;color:#168f85}
    .timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--cyan)}
    .step{padding:25px 20px 0;border-right:1px solid var(--line)}
    .step:last-child{border:0}
    .step b{color:#168f85;font-size:13px}
    .step h3{font-size:19px;margin:13px 0 7px}
    .step p{color:var(--muted);font-size:14px}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}
    .faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px}
    .cta{margin-top:0;border-radius:28px;padding:52px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff}
    .cta p{color:#c5dcda;margin-top:10px}
    .footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer .logo{font-size:24px}
    .footer p{max-width:430px;font-size:14px;margin-top:13px}
    .footer-links{display:flex;gap:22px;flex-wrap:wrap;font-size:14px}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px}
    .notice{font-size:13px;color:#76909a}
    :focus-visible{outline:3px solid rgba(71,215,195,.6);outline-offset:3px}
    @media(max-width:1024px){.nav-links{gap:0}.nav-links a{padding:8px 7px;font-size:13px}.progress-layout,.split{gap:35px}.feature-grid,.topic-grid{grid-template-columns:1fr 1fr}.feature:first-child,.topic-card:first-child{grid-column:span 2}}
    @media(max-width:768px){.container{width:min(100% - 28px,600px)}.dock{padding:11px 16px}.nav-links,.nav-cta{display:none}.menu-btn{display:block;margin-left:auto}.mobile-panel{position:absolute;display:none;top:62px;left:0;right:0;padding:12px;border-radius:20px;background:var(--navy);box-shadow:var(--shadow)}.mobile-panel.open{display:grid}.mobile-panel a{padding:10px 14px;color:#d9e6e7;border-radius:12px}.mobile-panel a:hover{background:rgba(71,215,195,.15)}.hero{min-height:650px}.hero-content{padding-top:65px}.section{padding:72px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:14px}.progress-layout,.split{grid-template-columns:1fr}.story-image img{height:330px}.tier-grid,.scene-list,.quote-grid{grid-template-columns:1fr}.feature-grid,.topic-grid{grid-template-columns:1fr}.feature:first-child,.topic-card:first-child{grid-column:auto}.timeline{grid-template-columns:1fr 1fr;gap:18px;border-top:0}.step{border-right:0;border-top:2px solid var(--cyan);padding:18px 0}.cta{display:block;padding:35px 25px}.cta .btn{margin-top:24px}.footer-top{display:block}.footer-links{margin-top:25px}}
    @media(max-width:520px){h1{font-size:43px}.hero-copy{font-size:16px}.trust-row{gap:10px;display:grid}.hero-actions .btn{width:100%}.progress-box{padding:25px 18px}.ring{width:165px;height:165px}.ring strong{font-size:32px}.topic-card{min-height:235px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}

/* roulang page: category6 */
:root{--ink:#132238;--muted:#68788c;--navy:#10283d;--cyan:#47d7c3;--gold:#f1c36a;--paper:#f6f8f7;--line:#dce6e4;--white:#fff;--radius:24px;--shadow:0 18px 48px rgba(16,40,61,.10);--deep:#0d2438}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.85;overflow-x:hidden}
    a{text-decoration:none;color:inherit;transition:.25s ease}
    img{display:block;width:100%;object-fit:cover}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1160px,calc(100% - 40px));margin:auto}
    .dock-wrap{position:absolute;z-index:20;top:20px;left:0;right:0}
    .dock{position:relative;display:flex;align-items:center;gap:18px;padding:12px 15px 12px 23px;border:1px solid rgba(255,255,255,.16);border-radius:38px;background:rgba(13,36,56,.78);box-shadow:0 12px 35px rgba(4,20,32,.18);backdrop-filter:blur(16px)}
    .logo{font-weight:900;color:#fff;font-size:21px;letter-spacing:.08em;white-space:nowrap}
    .logo i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-left:5px}
    .nav-links{display:flex;align-items:center;gap:5px;flex:1}
    .nav-links a{color:#c8d7dd;font-size:14px;padding:9px 12px;border-radius:25px;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(71,215,195,.16)}
    .nav-cta,.btn-primary{background:var(--cyan);color:var(--deep);font-weight:800;border-radius:25px;padding:11px 20px;box-shadow:0 8px 20px rgba(71,215,195,.22);white-space:nowrap}
    .nav-cta:hover,.btn-primary:hover{transform:translateY(-2px);background:#69e6d4}
    .menu-btn{display:none;color:#fff;background:transparent;font-size:25px}
    .mobile-panel{display:none}
    .hero{min-height:610px;display:flex;align-items:center;color:#fff;background:linear-gradient(90deg,rgba(8,29,45,.95),rgba(8,29,45,.58),rgba(8,29,45,.78)),url("/assets/images/backpic/back-2.jpg") center/cover}
    .hero-content{padding-top:70px;max-width:700px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#168f85;font-weight:700;letter-spacing:.12em;font-size:12px}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan)}
    .hero .eyebrow{color:var(--cyan)}
    .hero h1{font-size:clamp(42px,6vw,76px);line-height:1.16;margin:20px 0 24px;letter-spacing:-.04em}
    .hero-copy{font-size:18px;color:#d8e5e6;max-width:650px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:30px 0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 23px;border-radius:28px;font-weight:800;transition:.25s}
    .btn-secondary{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}
    .btn-secondary:hover{background:#fff;color:var(--navy)}
    .trust-row{display:flex;flex-wrap:wrap;gap:24px;color:#c1d3d4;font-size:13px}
    .trust-row span:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:7px}
    .section{padding:92px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.25;margin:12px 0 0;letter-spacing:-.03em}
    .section-head p{max-width:530px;color:var(--muted);font-size:15px;margin:0}
    .coupon-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;align-items:stretch}
    .coupon-main{position:relative;overflow:hidden;min-height:330px;padding:40px;border-radius:28px;background:linear-gradient(135deg,#10283d,#0e6268);color:#fff;box-shadow:var(--shadow)}
    .coupon-main:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(71,215,195,.3);border-radius:50%;right:-70px;bottom:-100px}
    .coupon-main h3{font-size:clamp(28px,4vw,44px);line-height:1.25;margin:22px 0 12px;max-width:470px}
    .coupon-main p{color:#c6dcda;max-width:510px;font-size:15px}
    .coupon-tag{display:inline-flex;padding:6px 13px;border:1px solid rgba(255,255,255,.25);border-radius:20px;color:var(--cyan);font-size:13px;font-weight:800}
    .coupon-code{display:flex;align-items:center;gap:12px;margin-top:25px}
    .coupon-code b{padding:9px 16px;border:1px dashed var(--gold);border-radius:10px;color:var(--gold);letter-spacing:.14em}
    .coupon-side{display:flex;flex-direction:column;gap:16px}
    .mini-offer{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:25px;border-radius:22px;background:#fff;border:1px solid var(--line);min-height:calc(50% - 8px)}
    .mini-offer strong{display:block;font-size:20px;margin-bottom:5px}
    .mini-offer p{margin:0;color:var(--muted);font-size:14px}
    .mini-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:16px;background:#e3f6f2;color:#148e83;font-weight:900;font-size:20px;flex:none}
    .step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step-card{padding:25px 22px;background:#fff;border:1px solid var(--line);border-radius:20px;transition:.3s}
    .step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .step-number{display:flex;justify-content:space-between;align-items:center;color:#168f85;font-size:13px;font-weight:900}
    .step-number span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#e2f5f1}
    .step-card h3{font-size:20px;margin:24px 0 8px}
    .step-card p{color:var(--muted);font-size:14px;margin:0}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
    .story-image{overflow:hidden;border-radius:28px;min-height:430px;box-shadow:var(--shadow)}
    .story-image img{height:100%;min-height:430px}
    .rich-copy h2{font-size:clamp(30px,4vw,45px);line-height:1.3;margin:15px 0}
    .rich-copy>p{color:var(--muted);font-size:16px}
    .check-list{padding:0;margin:25px 0 0;list-style:none}
    .check-list li{position:relative;padding:13px 0 13px 32px;border-bottom:1px solid var(--line);font-size:15px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:13px;color:#168f85;font-weight:900}
    .dark-section{background:var(--deep);color:#fff}
    .dark-section h2{color:#fff}
    .dark-section .section-head p{color:#a9c0c4}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .scene-large{position:relative;min-height:380px;border-radius:25px;overflow:hidden}
    .scene-large img{height:100%}
    .scene-large:after{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,rgba(6,23,35,.92))}
    .scene-caption{position:absolute;z-index:2;left:28px;right:28px;bottom:25px}
    .scene-caption h3{font-size:28px;margin:9px 0}
    .scene-caption p{color:#c6d7d9;font-size:14px;margin:0}
    .scene-side{display:grid;gap:18px}
    .scene-item{display:flex;gap:18px;padding:25px;border-radius:20px;background:#14354a;border:1px solid rgba(255,255,255,.1)}
    .scene-item h3{font-size:19px;margin:0 0 5px}
    .scene-item p{color:#aec6ca;font-size:14px;margin:0}
    .scene-item b{color:var(--gold);font-size:22px;line-height:1}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:18px}
    .feature-card{min-height:235px;padding:29px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 8px 25px rgba(16,40,61,.04);transition:.3s}
    .feature-card:first-child{background:var(--navy);color:#fff}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card h3{font-size:22px;margin:20px 0 10px}
    .feature-card p{font-size:14px;color:var(--muted)}
    .feature-card:first-child p{color:#c3d5d8}
    .icon{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:#e6f5f2;color:#148e83;font-size:22px;font-weight:900}
    .feature-card:first-child .icon{background:rgba(71,215,195,.18);color:var(--cyan)}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
    .time-card{padding:27px 0;border-top:2px solid var(--cyan)}
    .time-card b{color:#148e83;font-size:13px}
    .time-card h3{font-size:21px;margin:12px 0 7px}
    .time-card p{font-size:14px;color:var(--muted);margin:0}
    .notice{padding:27px 30px;border-left:4px solid var(--gold);border-radius:0 18px 18px 0;background:#fff8e9;color:#624d23}
    .notice strong{display:block;margin-bottom:7px;font-size:18px}
    .notice p{margin:0;font-size:14px}
    .faq{max-width:850px;margin:auto}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:15px;margin:12px 0;padding:19px 23px}
    .faq summary{font-weight:800;cursor:pointer;list-style:none;position:relative;padding-right:25px}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";position:absolute;right:0;color:#148e83}
    .faq details[open] summary:after{content:"－"}
    .faq details p{color:var(--muted);font-size:14px;padding-top:12px;margin:0}
    .cta{margin-top:0;border-radius:28px;padding:52px;background:linear-gradient(110deg,#143b53,#0e6870);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{color:#fff;font-size:clamp(28px,4vw,44px);line-height:1.3;margin:0}
    .cta p{color:#c5dcda;margin:10px 0 0;max-width:620px}
    .footer{background:#0a1d2d;color:#a7bdc1;padding:58px 0 24px}
    .footer-top{display:flex;justify-content:space-between;gap:40px;padding-bottom:35px;border-bottom:1px solid rgba(255,255,255,.13)}
    .footer .logo{font-size:24px}
    .footer p{max-width:440px;font-size:14px;margin-top:13px}
    .footer-links{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;align-items:flex-start}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;font-size:12px;color:#78939a}
    .footer-quote{margin:0 0 22px;padding:14px 18px;border-left:2px solid var(--cyan);color:#d4e3e2;font-size:14px}
    :focus-visible{outline:3px solid rgba(71,215,195,.65);outline-offset:3px}
    @media(max-width:1024px){
      .nav-links{gap:0}.nav-links a{padding:8px 8px;font-size:13px}
      .step-grid{grid-template-columns:repeat(2,1fr)}
      .coupon-layout,.scene-grid{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,620px)}
      .dock-wrap{top:12px}
      .dock{padding:11px 15px 11px 18px}
      .nav-links,.dock>.nav-cta{display:none}
      .menu-btn{display:block;margin-left:auto}
      .mobile-panel{display:none;position:absolute;top:65px;left:0;right:0;padding:12px;border-radius:20px;background:#10283d;box-shadow:var(--shadow)}
      .mobile-panel.open{display:grid}
      .mobile-panel a{padding:11px 14px;color:#d5e2e3;border-radius:12px;font-size:14px}
      .mobile-panel a:hover,.mobile-panel a.active{background:rgba(71,215,195,.16);color:#fff}
      .hero{min-height:690px}
      .hero h1{font-size:clamp(40px,12vw,62px)}
      .hero-copy{font-size:16px}
      .section{padding:70px 0}
      .section-head,.split{display:block}
      .section-head p{margin-top:16px}
      .story-image{margin-bottom:35px;min-height:300px}.story-image img{min-height:300px}
      .feature-grid,.timeline{grid-template-columns:1fr}
      .scene-large{min-height:300px}
      .cta{display:block;padding:35px 25px}
      .cta .btn{margin-top:25px}
      .footer-top{display:block}.footer-links{margin-top:25px}
    }
    @media(max-width:520px){
      .step-grid{grid-template-columns:1fr}
      .coupon-main{padding:28px 23px;min-height:360px}
      .coupon-code{align-items:flex-start;flex-direction:column}
      .mini-offer{padding:20px}
      .trust-row{gap:10px 17px}
      .news-item{grid-template-columns:1fr}
    }