/* roulang page: index */
:root{
      --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
      --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
      --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    ::selection{background:#c9e1ff;color:var(--ink)}
    .sidebar{position:fixed;z-index:50;left:0;top:0;bottom:0;width:252px;background:rgba(255,255,255,.97);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:30px 20px 22px;box-shadow:8px 0 35px rgba(22,52,91,.04)}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
    .brand-name{font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy)}
    .brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:-3px}
    .side-nav{padding:20px 0;overflow-y:auto;flex:1}
    .nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
    .side-link{display:flex;align-items:center;gap:10px;border-radius:12px;padding:10px 11px;margin:3px 0;font-size:14px;color:#4d607b;font-weight:600}
    .side-link:hover{color:var(--ocean);background:#eef6ff;transform:translateX(2px)}
    .side-link.active{color:var(--ocean);background:#e4f0ff;font-weight:800;box-shadow:inset 3px 0 0 var(--ocean)}
    .nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
    .active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
    .side-bottom{border-top:1px solid var(--line);padding-top:18px}
    .safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
    .safe-pill strong{display:block;color:#244b79;font-size:12px}
    .main-wrap{margin-left:252px}
    .mobile-top{display:none}
    .shell{max-width:1360px;margin:0 auto;padding:0 42px}
    .section{padding:82px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
    .section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
    .section-desc{max-width:700px;color:var(--muted);font-size:15px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
    .btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
    .btn-primary{background:var(--ocean);color:white}.btn-primary:hover{background:#1e5592}
    .btn-light{background:white;color:var(--navy);border-color:#cfdeee}.btn-light:hover{border-color:#9dbfe2}
    .btn-gold{background:var(--gold);color:#423117}.btn-gold:hover{background:#ffc75c}
    .hero{padding:38px 0 58px;background:linear-gradient(180deg,#f5faff 0%,#f8fbff 100%)}
    .hero-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:20px}
    .hero-main{min-height:438px;border-radius:28px;overflow:hidden;position:relative;padding:48px;background-image:linear-gradient(90deg,rgba(11,39,77,.92) 0%,rgba(16,54,98,.78) 46%,rgba(16,54,98,.25) 100%),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:white;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow)}
    .hero-main:after{content:"";position:absolute;width:280px;height:280px;border-radius:99px;border:1px solid rgba(255,255,255,.18);right:-60px;top:-74px}
    .hero-main>*{position:relative;z-index:1}
    .hero-main h1{max-width:670px;font-size:clamp(36px,4.5vw,61px);line-height:1.12;letter-spacing:-.055em;font-weight:900;margin:14px 0 18px}
    .hero-main p{max-width:650px;font-size:15px;line-height:1.9;color:#dceaff;margin:0 0 25px}
    .hero-badge{display:inline-flex;align-items:center;width:max-content;padding:6px 11px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:99px;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:10px}
    .hero-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
    .bento-small{position:relative;border-radius:25px;overflow:hidden;padding:28px;min-height:209px;background:white;border:1px solid var(--line);box-shadow:var(--shadow)}
    .bento-small.blue{background:#dfeeff}
    .bento-icon{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:#fff;color:var(--ocean);font-size:22px;box-shadow:0 7px 18px rgba(28,89,155,.11)}
    .bento-small h2{font-size:21px;font-weight:850;color:var(--navy);margin:14px 0 6px}.bento-small p{font-size:13px;color:#5f718a;line-height:1.7;margin:0}
    .bento-num{position:absolute;right:21px;bottom:8px;font-size:56px;color:rgba(31,91,157,.10);font-weight:900;line-height:1}
    .cta-strip{background:var(--navy);border-radius:18px;margin-top:20px;color:white;padding:17px 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;box-shadow:var(--shadow)}
    .cta-strip p{margin:0;color:#d4e5f9;font-size:14px}.cta-strip strong{color:white}
    .highlight-grid{display:grid;grid-template-columns:.9fr 1.1fr 1fr;gap:20px;margin-top:35px}
    .feature-card{border:1px solid var(--line);background:white;border-radius:var(--radius);padding:27px;box-shadow:0 8px 26px rgba(23,59,104,.05);transition:transform .24s,box-shadow .24s}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card .num{font-size:12px;font-weight:900;letter-spacing:.1em;color:var(--ocean)}
    .feature-card h3{font-size:20px;font-weight:850;color:var(--navy);margin:12px 0 8px}.feature-card p{font-size:14px;color:var(--muted);margin:0}
    .feature-card ul{padding:0;margin:16px 0 0;list-style:none}.feature-card li{font-size:13px;color:#516680;padding:7px 0;border-top:1px dashed #e0e9f4}.feature-card li:before{content:"✓";color:var(--ocean);font-weight:900;margin-right:8px}
    .story{background:white;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .story-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
    .story-image{border-radius:24px;overflow:hidden;position:relative;height:410px;box-shadow:var(--shadow)}
    .story-image img{width:100%;height:100%;object-fit:cover}
    .story-image:after{content:"轻松相聚 · 真诚交流";position:absolute;left:18px;bottom:18px;background:rgba(13,40,75,.82);backdrop-filter:blur(8px);border-radius:10px;color:white;padding:8px 13px;font-size:12px;font-weight:700}
    .story-copy p{font-size:15px;color:var(--muted);margin:0 0 15px}
    .quote{border-left:3px solid var(--gold);padding:13px 0 13px 18px;color:#365577;font-size:15px;font-weight:700;margin-top:22px}
    .topic-area{background:#f0f7ff}
    .topic-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:34px;align-items:start}
    .topic-cloud{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .topic-tag{padding:10px 14px;background:white;color:#355b87;border:1px solid #d7e5f4;border-radius:99px;font-size:13px;font-weight:700}
    .topic-tag:hover{background:var(--ocean);color:white;border-color:var(--ocean);transform:translateY(-2px)}
    .topic-panel{background:white;padding:25px;border-radius:22px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(31,83,142,.08)}
    .topic-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid #e8eef6}.topic-row:last-child{border-bottom:none}
    .topic-index{color:var(--gold);font-size:15px;font-weight:900;width:24px}.topic-row h3{font-size:15px;margin:0 0 2px;color:var(--navy);font-weight:800}.topic-row p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}
    .time-section{background:#f8fbff}
    .time-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;margin-top:34px}
    .time-card{padding:28px;border-radius:23px;border:1px solid var(--line);background:white;box-shadow:0 9px 28px rgba(23,59,104,.05)}
    .time-card.featured{background:var(--navy);border-color:var(--navy);color:white;box-shadow:0 18px 35px rgba(20,53,94,.20)}
    .time-card h3{font-size:20px;font-weight:850;margin:0 0 7px;color:var(--navy)}.featured h3{color:white}
    .time-card p{font-size:14px;color:var(--muted);margin:0 0 17px}.featured p{color:#d2e4fa}
    .time-list{list-style:none;padding:0;margin:0}.time-list li{display:flex;gap:10px;font-size:13px;padding:8px 0;color:#526882}.featured .time-list li{color:#dbeafd}.time-list li:before{content:"●";color:var(--gold);font-size:10px;padding-top:5px}
    .safety-bar{background:#e7f2ff;border-top:1px solid #d4e5f8;border-bottom:1px solid #d4e5f8}
    .safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .safe-item{display:flex;gap:12px;align-items:flex-start;padding:9px}.safe-icon{width:38px;height:38px;border-radius:12px;background:white;display:grid;place-items:center;color:var(--ocean);font-size:18px;box-shadow:0 4px 12px rgba(25,61,108,.07);flex:none}.safe-item h3{font-size:14px;font-weight:850;margin:0;color:var(--navy)}.safe-item p{font-size:12px;line-height:1.6;color:#60738c;margin:2px 0 0}
    .compare-wrap{overflow-x:auto;margin-top:33px;border-radius:22px;border:1px solid var(--line);box-shadow:0 12px 28px rgba(25,61,108,.06)}
    .compare{width:100%;border-collapse:collapse;background:white;min-width:680px}.compare th,.compare td{padding:17px 18px;text-align:left;border-bottom:1px solid #e6edf5;font-size:14px}.compare th{background:#f5f9ff;color:#47617f;font-size:13px}.compare td{color:#526782}.compare tr:last-child td{border-bottom:none}.compare .best{background:#edf6ff;color:var(--navy);font-weight:800}.compare .head-best{background:var(--ocean);color:white}.check{color:var(--ocean);font-size:17px;font-weight:900}
    .guide-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:center}
    .guide-visual{border-radius:24px;overflow:hidden;height:395px;position:relative;box-shadow:var(--shadow)}.guide-visual img{height:100%;width:100%;object-fit:cover}.guide-visual .overlay-note{position:absolute;inset:auto 18px 18px 18px;background:rgba(255,255,255,.92);border-radius:14px;padding:14px;color:var(--navy);font-size:13px;font-weight:700;box-shadow:0 8px 20px rgba(16,35,63,.15)}
    .steps{margin-top:24px}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;padding:0 0 20px;position:relative}.step:not(:last-child):after{content:"";position:absolute;left:20px;top:42px;bottom:0;width:1px;background:#d3e1f1}.step-no{width:41px;height:41px;display:grid;place-items:center;border-radius:50%;background:#e4f1ff;color:var(--ocean);font-size:14px;font-weight:900}.step h3{margin:3px 0 4px;font-size:16px;color:var(--navy);font-weight:850}.step p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .news-section{background:#f0f7ff}
    .news-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:25px;margin-top:34px}.news-list{background:white;border:1px solid var(--line);border-radius:22px;padding:6px 24px;box-shadow:0 8px 26px rgba(25,61,108,.05)}
    .news-item{padding:20px 0;border-bottom:1px solid #e6edf5}.news-item:last-child{border-bottom:none}.news-meta{font-size:12px;color:#7b8da6;font-weight:700}.news-item h3{font-size:18px;color:var(--navy);font-weight:850;margin:5px 0}.news-item p{font-size:13px;color:var(--muted);line-height:1.75;margin:0 0 9px}.read-more{font-size:13px;color:var(--ocean);font-weight:850}.read-more:hover{color:var(--navy)}
    .news-side{border-radius:22px;padding:30px;background:var(--navy);color:white;position:relative;overflow:hidden}.news-side:after{content:"♠";position:absolute;right:-20px;bottom:-55px;font-size:190px;color:rgba(255,255,255,.06)}.news-side>*{position:relative;z-index:1}.news-side h3{font-size:24px;line-height:1.35;font-weight:850;margin:0 0 13px}.news-side p{font-size:14px;color:#d2e5fb;margin:0 0 22px}
    .quote-section{background:white}.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}.quote-card{padding:25px;border:1px solid var(--line);border-radius:19px;background:#fff;box-shadow:0 7px 20px rgba(25,61,108,.04)}.quote-card p{font-size:14px;color:#526983;margin:0 0 16px}.quote-person{font-size:13px;font-weight:850;color:var(--navy)}.quote-person span{font-weight:400;color:#8190a6;margin-left:6px}
    .faq-section{background:#f7fbff}.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:45px}.faq-intro{position:sticky;top:28px;height:max-content}.faq-list{display:grid;gap:11px}.faq-item{background:white;border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq-btn{border:0;background:white;width:100%;padding:17px 19px;display:flex;justify-content:space-between;align-items:center;text-align:left;font-size:15px;color:var(--navy);font-weight:850}.faq-btn:hover{background:#f5f9ff}.faq-symbol{font-size:22px;font-weight:400;color:var(--ocean);line-height:1}.faq-answer{display:none;padding:0 19px 18px;color:#60738d;font-size:14px;line-height:1.85}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-symbol{transform:rotate(45deg)}
    .form-section{padding:82px 0;background:linear-gradient(135deg,#133764,#1f5f9f);color:white;position:relative;overflow:hidden}.form-section:before{content:"";position:absolute;border:1px solid rgba(255,255,255,.12);width:460px;height:460px;border-radius:50%;right:-180px;top:-120px}.form-layout{position:relative;display:grid;grid-template-columns:1fr .95fr;gap:54px;align-items:center}.form-copy h2{font-size:clamp(29px,3.4vw,43px);line-height:1.28;font-weight:900;margin:10px 0 16px}.form-copy p{color:#d6e8fc;font-size:15px;margin:0;max-width:580px}.form-points{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}.form-point{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.13);padding:13px;border-radius:12px;font-size:13px;color:#e4f0ff}.form-box{background:white;color:var(--ink);padding:27px;border-radius:22px;box-shadow:0 22px 50px rgba(5,25,57,.25)}.form-box h3{margin:0 0 4px;color:var(--navy);font-size:22px;font-weight:850}.form-box>p{font-size:13px;color:var(--muted);margin:0 0 18px}.field{margin-bottom:13px}.field label{display:block;font-size:12px;font-weight:800;color:#405a7d;margin-bottom:5px}.field input,.field textarea{width:100%;border:1px solid #d3e0ee;border-radius:10px;padding:11px 12px;background:#fbfdff;color:var(--ink);transition:border .2s,box-shadow .2s}.field input:focus,.field textarea:focus{border-color:var(--ocean);box-shadow:0 0 0 3px rgba(36,99,168,.12);outline:none}.field textarea{resize:vertical;min-height:76px}.form-note{font-size:11px;line-height:1.6;color:#7a8ca3;margin:11px 0 0}
    .footer{background:#0d2646;color:#c4d7ed;padding:46px 0 25px}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:35px;padding-bottom:34px;border-bottom:1px solid rgba(207,227,247,.15)}.footer .brand-name{color:white}.footer p{font-size:13px;line-height:1.75;color:#adc5de}.footer h3{font-size:13px;color:white;font-weight:850;margin:3px 0 14px}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#b9d0e8}.footer-links a:hover{color:white;padding-left:3px}.foot-bottom{padding-top:20px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#91adca}.foot-bottom a:hover{color:white}
    .mobile-menu-btn{border:0;background:#edf5ff;color:var(--ocean);width:40px;height:40px;border-radius:11px;font-size:18px}
    .mobile-panel{display:none}
    @media(max-width:1024px){.sidebar{width:220px}.main-wrap{margin-left:220px}.shell{padding:0 28px}.hero-main{padding:36px}.hero-grid{grid-template-columns:1.35fr .8fr}.story-grid,.guide-layout,.form-layout{gap:32px}.faq-layout{gap:28px}}
    @media(max-width:768px){.sidebar{display:none}.main-wrap{margin-left:0}.mobile-top{display:flex;position:sticky;top:0;z-index:60;height:66px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);padding:0 18px;align-items:center;justify-content:space-between;backdrop-filter:blur(12px)}.mobile-top .brand{padding:0;border:0}.mobile-panel{position:fixed;z-index:55;left:0;right:0;top:66px;background:white;border-bottom:1px solid var(--line);padding:12px 18px 18px;box-shadow:0 15px 30px rgba(16,35,63,.12)}.mobile-panel.show{display:block}.mobile-panel .side-link{padding:9px}.shell{padding:0 20px}.section{padding:60px 0}.hero{padding:20px 0 42px}.hero-grid{grid-template-columns:1fr}.hero-main{min-height:410px;padding:31px;border-radius:22px}.hero-side{grid-template-columns:1fr 1fr;grid-template-rows:none}.bento-small{min-height:185px;padding:22px}.cta-strip{padding:16px;align-items:flex-start;flex-direction:column}.highlight-grid,.quote-grid{grid-template-columns:1fr}.story-grid,.topic-layout,.time-grid,.guide-layout,.news-grid,.faq-layout,.form-layout{grid-template-columns:1fr}.story-image{height:295px}.faq-intro{position:static}.safety-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
    @media(max-width:520px){.shell{padding:0 16px}.hero-main h1{font-size:37px}.hero-main{min-height:440px;padding:25px}.hero-main p{font-size:14px}.hero-side{grid-template-columns:1fr}.bento-small{min-height:165px}.section-title{font-size:29px}.safety-grid,.form-points{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.foot-bottom{flex-direction:column}.story-image,.guide-visual{height:250px}.news-list{padding:5px 17px}.time-card{padding:22px}}

/* roulang page: category1 */
:root{
 --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
 --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
 --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .22s ease}
button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
.site-rail{position:fixed;z-index:40;inset:0 auto 0 0;width:252px;background:#fff;border-right:1px solid var(--line);padding:29px 20px 18px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
.brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy)}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:-3px}
.side-nav{padding:20px 0;overflow-y:auto;flex:1}
.nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
.side-link{display:flex;align-items:center;gap:10px;padding:10px;border-radius:11px;color:#4b627e;font-size:14px;font-weight:700;margin:2px 0}
.side-link:hover{background:#eef6ff;color:var(--ocean);transform:translateX(2px)}
.side-link.active{background:#e9f3ff;color:var(--navy)}
.nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
.active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
.safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
.safe-pill strong{display:block;color:#244b79;font-size:12px}
.main-wrap{margin-left:252px}
.shell{width:min(1160px,calc(100% - 48px));margin:auto}
.mobile-top{display:none}
.section{padding:82px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
.section-desc{max-width:720px;color:var(--muted);font-size:15px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
.btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
.btn-primary{background:var(--ocean);color:white}.btn-primary:hover{background:#1e5592}
.btn-light{background:#fff;color:var(--navy);border-color:#cfdeee}.btn-light:hover{border-color:#9dbfe2}
.btn-gold{background:var(--gold);color:#423117}.btn-gold:hover{background:#ffc75c}
.inner-hero{padding:42px 0 56px;background:linear-gradient(180deg,#f5faff,#f8fbff)}
.inner-banner{min-height:440px;border-radius:28px;overflow:hidden;position:relative;padding:54px;display:flex;align-items:flex-end;background-image:linear-gradient(90deg,rgba(12,42,80,.94),rgba(17,58,104,.72),rgba(17,58,104,.15)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;box-shadow:var(--shadow);color:#fff}
.inner-banner:after{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(255,255,255,.22);border-radius:50%;right:-90px;top:-100px}
.inner-banner>div{position:relative;z-index:1;max-width:760px}
.hero-badge{display:inline-flex;align-items:center;width:max-content;padding:6px 11px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.12);border-radius:99px;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
.inner-banner h1{font-size:clamp(38px,5vw,60px);line-height:1.13;letter-spacing:-.055em;font-weight:900;margin:15px 0}
.inner-banner p{font-size:16px;line-height:1.9;color:#dceaff;margin:0 0 24px;max-width:690px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.notice{padding:21px 25px;border-left:4px solid var(--gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#fff9ec;color:#71582c;box-shadow:0 8px 25px rgba(78,59,15,.06)}
.notice strong{color:#604614}
.split-grid{display:grid;grid-template-columns:1fr .94fr;gap:60px;align-items:center}
.image-frame{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);min-height:400px}
.image-frame img{width:100%;height:100%;min-height:400px;object-fit:cover}
.rule-stack{display:grid;gap:13px;margin-top:25px}
.rule-row{display:flex;gap:16px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:16px;transition:.22s}
.rule-row:hover{transform:translateX(5px);box-shadow:0 12px 28px rgba(23,59,104,.08)}
.rule-num{width:34px;height:34px;display:grid;place-items:center;background:var(--sky);color:var(--ocean);border-radius:10px;font-weight:900;flex:none}
.rule-row h3{font-size:16px;color:var(--navy);margin:0 0 2px;font-weight:850}.rule-row p{font-size:13px;color:var(--muted);margin:0}
.soft-area{background:var(--mist)}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:0 8px 26px rgba(23,59,104,.05);transition:.24s}
.info-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.icon-disc{width:46px;height:46px;border-radius:15px;background:#e9f3ff;color:var(--ocean);display:grid;place-items:center;font-size:21px;font-weight:900}
.info-card h3{font-size:20px;color:var(--navy);font-weight:850;margin:15px 0 8px}.info-card p{font-size:14px;color:var(--muted);margin:0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:18px}
.step:not(:last-child):after{content:"";height:1px;width:28px;background:#a9c7e7;position:absolute;right:-22px;top:43px}
.step-no{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.1em}.step h3{font-size:17px;color:var(--navy);margin:9px 0 5px;font-weight:850}.step p{font-size:13px;color:var(--muted);margin:0}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px}
.compare-card{border-radius:var(--radius);padding:31px;border:1px solid var(--line);background:#fff}
.compare-card.blue{background:var(--navy);border-color:var(--navy);color:#fff}.compare-card h3{font-size:22px;margin:0 0 13px;color:var(--navy);font-weight:850}.compare-card.blue h3{color:#fff}
.clean-list{list-style:none;padding:0;margin:0}.clean-list li{padding:10px 0;border-top:1px dashed #dce7f2;font-size:14px;color:#536983}.blue .clean-list li{color:#d5e5f7;border-color:rgba(255,255,255,.18)}.clean-list li:before{content:"✓";color:var(--ocean);font-weight:900;margin-right:10px}.blue .clean-list li:before{color:var(--gold)}
.content-panel{padding:38px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(23,59,104,.05)}
.content-panel p{color:#536983;font-size:15px;margin:0 0 16px}.content-panel p:last-child{margin:0}
.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;align-items:start}
.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}.faq-btn{border:0;background:#fff;width:100%;text-align:left;padding:18px 20px;color:var(--navy);font-size:15px;font-weight:850;display:flex;justify-content:space-between;gap:12px}.faq-btn span:last-child{color:var(--ocean);font-size:20px;line-height:1}.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-btn{color:var(--ocean)}
.cta-box{background:linear-gradient(120deg,#173b68,#2463a8);border-radius:28px;padding:50px;position:relative;overflow:hidden;color:#fff;box-shadow:var(--shadow)}.cta-box:after{content:"♠";position:absolute;right:34px;bottom:-70px;font-size:235px;line-height:1;color:rgba(255,255,255,.08)}.cta-box>*{position:relative;z-index:1}.cta-box h2{font-size:clamp(28px,3vw,40px);line-height:1.25;margin:9px 0 14px;font-weight:900}.cta-box p{max-width:650px;color:#d8e8fa;margin:0 0 24px;font-size:15px}
.booking{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.booking input{border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);border-radius:12px;color:#fff;padding:13px 15px;min-width:240px}.booking input::placeholder{color:#c6dcf4}
.footer{background:#102b50;color:#b9cbe0;padding:58px 0 23px}.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:45px}.footer .brand{border:0;padding:0}.footer .brand-name{color:#fff}.footer h3{font-size:14px;color:#fff;margin:3px 0 14px;font-weight:850}.footer p{font-size:13px;color:#a7c0dc}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#b9cbe0}.footer-links a:hover{color:#fff;transform:translateX(3px)}.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:37px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between;font-size:12px;color:#9cb4ce}.foot-bottom a:hover{color:#fff}
@media(max-width:1024px){.site-rail{width:220px}.main-wrap{margin-left:220px}.shell{width:min(100% - 38px,960px)}.split-grid,.faq-layout{gap:35px}.check-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}.step:not(:last-child):after{display:none}}
@media(max-width:768px){.site-rail{display:none}.main-wrap{margin-left:0}.mobile-top{height:65px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.mobile-top .brand{padding:0;border:0}.mobile-top .brand-mark{width:33px;height:33px;border-radius:10px}.mobile-top .brand-name{font-size:18px}.mobile-top .brand-sub{display:none}.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--navy);padding:8px 11px;border-radius:10px;font-weight:800}.mobile-menu{display:none;position:fixed;z-index:45;left:0;right:0;top:65px;background:#fff;padding:14px 18px 20px;border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(23,59,104,.12)}.mobile-menu.show{display:grid}.mobile-menu a{padding:8px 4px;font-size:14px;font-weight:750;color:#405b7e}.section{padding:58px 0}.inner-hero{padding:22px 0 38px}.inner-banner{padding:33px;min-height:390px}.split-grid,.faq-layout,.compare{grid-template-columns:1fr}.image-frame,.image-frame img{min-height:280px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:520px){.shell{width:min(100% - 28px,600px)}.inner-banner{padding:27px 22px;min-height:420px;border-radius:21px}.inner-banner h1{font-size:36px}.inner-banner p{font-size:14px}.hero-actions .btn{width:100%}.check-grid,.steps,.footer-grid{grid-template-columns:1fr}.info-card,.content-panel{padding:23px}.cta-box{padding:32px 24px}.booking input{width:100%;min-width:0}.footer-grid>div:first-child{grid-column:auto}.foot-bottom{display:grid}.section-title{font-size:29px}}

/* roulang page: category2 */
:root{
  --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
  --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
  --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .22s ease}
button,input,textarea{font:inherit}
button{cursor:pointer}
img{display:block;max-width:100%}
.shell{width:min(1160px,calc(100% - 64px));margin:0 auto}
.site-sidebar{position:fixed;z-index:30;top:0;bottom:0;left:0;width:252px;padding:28px 22px 20px;background:rgba(255,255,255,.96);border-right:1px solid var(--line);display:flex;flex-direction:column;backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
.brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy);line-height:1.2}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:2px}
.side-nav{padding:20px 0;overflow-y:auto;flex:1}
.nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
.side-link{display:flex;align-items:center;gap:10px;margin:3px 0;padding:10px;border-radius:11px;color:#4b6280;font-size:14px;font-weight:700}
.side-link:hover{background:#eff6ff;color:var(--ocean);transform:translateX(3px)}
.side-link.active{background:#e8f2ff;color:var(--navy)}
.nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
.active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
.safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
.safe-pill strong{display:block;color:#244b79;font-size:12px}
.main-wrap{margin-left:252px}
.mobile-top{display:none}
.section{padding:78px 0}
.section-soft{background:var(--mist)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
.section-desc{max-width:720px;color:var(--muted);font-size:15px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
.btn:active{transform:translateY(0)}
.btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
.btn-primary{background:var(--ocean);color:#fff}
.btn-primary:hover{background:#1d5593}
.btn-light{background:#fff;color:var(--navy);border-color:#cfdeee}
.btn-light:hover{border-color:#9dbfe2}
.btn-gold{background:var(--gold);color:#453315}
.btn-gold:hover{background:#ffca64}
.page-hero{padding:38px 0 46px;background:linear-gradient(180deg,#f5faff 0%,#f8fbff 100%)}
.crumb{display:flex;gap:8px;align-items:center;color:#71829a;font-size:13px;margin:0 0 22px}
.crumb a:hover{color:var(--ocean)}
.whitepaper{overflow:hidden;display:grid;grid-template-columns:1.08fr .92fr;min-height:500px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.paper-copy{padding:52px 50px;display:flex;flex-direction:column;justify-content:center}
.paper-copy h1{font-size:clamp(35px,4.2vw,56px);letter-spacing:-.055em;line-height:1.12;color:var(--navy);font-weight:900;margin:14px 0 18px}
.paper-copy p{color:var(--muted);font-size:15px;margin:0 0 25px;max-width:590px}
.paper-cover{position:relative;padding:34px;background:linear-gradient(145deg,rgba(13,48,90,.78),rgba(31,101,173,.7)),url('/assets/images/backpic/back-2.webp') center/cover}
.paper-cover:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-95px;top:-110px}
.cover-sheet{position:relative;z-index:1;max-width:350px;margin:25px auto;padding:30px;background:#f9fcff;border-radius:8px;box-shadow:0 24px 42px rgba(5,25,51,.27);transform:rotate(2deg)}
.cover-sheet:before{content:"";position:absolute;inset:10px;border:1px solid #dce8f6;pointer-events:none}
.cover-sheet>*{position:relative;z-index:1}
.cover-kicker{color:var(--ocean);font-size:11px;font-weight:900;letter-spacing:.16em}
.cover-sheet h2{font-size:30px;line-height:1.22;color:var(--navy);margin:24px 0 18px;font-weight:900}
.cover-line{height:1px;background:#d7e3f1;margin:16px 0}
.cover-list{padding:0;margin:0;list-style:none;color:#58708f;font-size:13px}
.cover-list li{padding:6px 0;display:flex;justify-content:space-between;gap:15px}
.cover-list b{color:var(--ocean)}
.download-card{margin-top:24px;padding:14px 15px;border-radius:14px;border:1px solid #d7e5f4;background:#f5f9ff}
.download-card label{display:block;font-size:12px;font-weight:800;color:#345577;margin-bottom:7px}
.download-row{display:flex;gap:9px}
.download-row input{min-width:0;flex:1;border:1px solid #cadbeb;border-radius:10px;padding:10px 12px;color:var(--ink);background:#fff}
.download-row input::placeholder{color:#9baabd}
.note{font-size:12px;line-height:1.6;color:#7588a3;margin:9px 0 0}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:22px}
.quick-item{padding:19px 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 7px 18px rgba(23,59,104,.04)}
.quick-item b{display:block;color:var(--ocean);font-size:13px;margin-bottom:5px}
.quick-item span{font-size:12px;color:var(--muted)}
.split-heading{display:grid;grid-template-columns:.78fr 1.22fr;gap:70px;align-items:end;margin-bottom:34px}
.rank-layout{display:grid;grid-template-columns:.78fr 1.22fr;gap:28px;align-items:start}
.rank-intro{position:sticky;top:28px;background:var(--navy);border-radius:var(--radius);padding:30px;color:#fff}
.rank-intro h3{font-size:24px;line-height:1.35;margin:0 0 12px;font-weight:850}
.rank-intro p{font-size:14px;line-height:1.85;color:#d8e8fa;margin:0}
.rank-intro .mini-rule{display:flex;gap:9px;margin-top:20px;padding-top:17px;border-top:1px solid rgba(255,255,255,.18);font-size:12px;color:#bcd6f0}
.rank-list{display:grid;gap:12px}
.rank-card{display:grid;grid-template-columns:80px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:0 8px 20px rgba(23,59,104,.04);transition:transform .2s,box-shadow .2s,border-color .2s}
.rank-card:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#aac8e7}
.rank-index{width:55px;height:55px;border-radius:16px;background:#edf5ff;display:grid;place-items:center;color:var(--ocean);font-weight:900;font-size:18px}
.rank-card h3{font-size:18px;color:var(--navy);font-weight:850;margin:0 0 4px}
.rank-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}
.rank-tip{font-size:12px;font-weight:800;color:#557394;padding:7px 10px;background:#f4f8fd;border-radius:99px;white-space:nowrap}
.compare-wrap{display:grid;grid-template-columns:1fr .88fr;gap:35px;align-items:stretch}
.compare-panel{padding:34px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.compare-panel h3{margin:0 0 13px;color:var(--navy);font-weight:850;font-size:25px}
.compare-panel>p{margin:0 0 18px;color:var(--muted);font-size:14px}
.steps{list-style:none;padding:0;margin:0}
.steps li{position:relative;padding:0 0 19px 46px;font-size:14px;color:#526882}
.steps li:last-child{padding-bottom:0}
.steps li:before{content:counter(step);counter-increment:step;position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#e7f1fd;color:var(--ocean);font-size:12px;font-weight:900}
.steps{counter-reset:step}
.image-note{position:relative;overflow:hidden;min-height:100%;border-radius:var(--radius);background:#143762}
.image-note img{width:100%;height:100%;min-height:360px;object-fit:cover;opacity:.54}
.image-note div{position:absolute;left:30px;right:30px;bottom:28px;color:#fff}
.image-note h3{font-size:25px;line-height:1.3;margin:0 0 8px;font-weight:850}
.image-note p{font-size:14px;color:#e0efff;margin:0}
.scene-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;margin-top:32px}
.scene-main{overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(23,59,104,.05)}
.scene-main img{width:100%;height:100%;min-height:315px;object-fit:cover}
.scene-copy{padding:32px}
.scene-copy h3{font-size:25px;line-height:1.3;color:var(--navy);font-weight:850;margin:0 0 11px}
.scene-copy p{font-size:14px;color:var(--muted);margin:0 0 18px}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{font-size:13px;color:#526882;padding:7px 0;border-top:1px dashed #dce7f2}
.check-list li:before{content:"✓";font-weight:900;color:var(--ocean);margin-right:9px}
.scene-side{display:grid;gap:18px}
.scene-small{padding:25px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.scene-small h3{color:var(--navy);font-weight:850;font-size:19px;margin:0 0 7px}
.scene-small p{font-size:13px;color:var(--muted);margin:0}
.scene-small.gold{background:#fffaf0;border-color:#f1d9a9}
.scene-small.gold h3{color:#76561c}
.notice-banner{padding:34px 38px;border-radius:var(--radius);background:linear-gradient(110deg,#e7f2ff,#f8fbff);border:1px solid #cce0f5;display:grid;grid-template-columns:auto 1fr auto;gap:22px;align-items:center}
.notice-icon{width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:var(--ocean);color:#fff;font-size:23px;font-weight:900}
.notice-banner h3{font-size:21px;color:var(--navy);font-weight:850;margin:0 0 4px}
.notice-banner p{font-size:14px;color:var(--muted);margin:0}
.clarify-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.clarify-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 22px rgba(23,59,104,.04)}
.clarify-card .tag{display:inline-flex;padding:4px 9px;background:#edf5ff;color:var(--ocean);border-radius:99px;font-size:11px;font-weight:850}
.clarify-card h3{font-size:19px;color:var(--navy);font-weight:850;margin:15px 0 8px}
.clarify-card p{font-size:13px;color:var(--muted);margin:0}
.faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:64px;align-items:start}
.faq-side{padding-top:5px}
.faq-side p{color:var(--muted);font-size:15px;margin:0 0 18px}
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);background:#fff;border-radius:15px;overflow:hidden}
.faq-btn{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;border:0;background:#fff;padding:18px 21px;color:var(--navy);font-size:15px;font-weight:850}
.faq-btn span:last-child{font-size:20px;color:var(--ocean);line-height:1}
.faq-answer{display:none;padding:0 21px 18px;color:var(--muted);font-size:14px;line-height:1.8}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-btn{padding-bottom:10px}
.cta-box{position:relative;overflow:hidden;padding:48px;border-radius:28px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.cta-box:before{content:"";position:absolute;right:-70px;top:-125px;width:330px;height:330px;border:1px solid rgba(255,255,255,.15);border-radius:50%}
.cta-box>*{position:relative;z-index:1}
.cta-box h2{font-size:clamp(28px,3vw,40px);line-height:1.25;font-weight:900;margin:0 0 11px}
.cta-box p{margin:0;color:#d3e5f9;max-width:670px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.footer{background:#102d53;color:#bdd2ea;padding:57px 0 22px}
.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:55px}
.footer .brand{border:0;padding:0}
.footer .brand-name{color:#fff}
.footer p{font-size:13px;line-height:1.8;color:#a7c0dc;margin-bottom:0}
.footer h3{color:#fff;font-size:14px;font-weight:850;margin:4px 0 15px}
.footer-links{display:grid;gap:9px}
.footer-links a{font-size:13px;color:#b9d0e7}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{margin-top:42px;padding-top:19px;border-top:1px solid rgba(196,219,241,.17);display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:11px;color:#9db9d6}
.foot-bottom a:hover{color:#fff}
@media (max-width:1024px){
  .site-sidebar{width:222px;padding-left:16px;padding-right:16px}
  .main-wrap{margin-left:222px}
  .shell{width:min(100% - 44px,960px)}
  .paper-copy{padding:42px 35px}
  .rank-layout,.faq-layout{gap:28px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  body{padding-top:72px}
  .site-sidebar{display:none}
  .main-wrap{margin-left:0}
  .mobile-top{display:flex;position:fixed;z-index:50;left:0;right:0;top:0;height:72px;padding:0 18px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;backdrop-filter:blur(12px)}
  .mobile-top .brand{border:0;padding:0;gap:8px}
  .mobile-top .brand-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
  .mobile-top .brand-name{font-size:18px}
  .mobile-top .brand-sub{display:none}
  .mobile-links{display:flex;gap:9px;overflow-x:auto;max-width:52vw;white-space:nowrap}
  .mobile-links a{font-size:12px;font-weight:800;color:#5d7290;padding:7px 9px;border-radius:8px}
  .mobile-links a.active{background:#e8f2ff;color:var(--navy)}
  .section{padding:59px 0}
  .page-hero{padding:24px 0 34px}
  .whitepaper,.compare-wrap,.scene-grid,.faq-layout{grid-template-columns:1fr}
  .paper-cover{min-height:390px}
  .split-heading,.rank-layout{grid-template-columns:1fr;gap:18px}
  .rank-intro{position:static}
  .clarify-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-grid>div:first-child{grid-column:1/-1}
  .cta-box{grid-template-columns:1fr;padding:38px 30px}
  .cta-actions{justify-content:flex-start}
  .notice-banner{grid-template-columns:auto 1fr}
  .notice-banner .btn{grid-column:1/-1;width:max-content}
}
@media (max-width:520px){
  .shell{width:calc(100% - 32px)}
  .section{padding:48px 0}
  .paper-copy{padding:34px 23px}
  .paper-copy h1{font-size:36px}
  .paper-cover{padding:20px;min-height:345px}
  .cover-sheet{padding:24px;margin:16px auto}
  .quick-grid{grid-template-columns:1fr}
  .rank-card{grid-template-columns:52px 1fr;padding:17px}
  .rank-index{width:45px;height:45px;border-radius:13px}
  .rank-tip{display:none}
  .compare-panel{padding:25px}
  .scene-main{grid-template-columns:1fr}
  .scene-main img{min-height:215px}
  .scene-copy{padding:25px}
  .notice-banner{padding:25px;grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid>div:first-child{grid-column:auto}
  .foot-bottom{display:grid}
  .download-row{flex-direction:column}
  .download-row .btn{width:100%}
}

/* roulang page: category3 */
:root{
      --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
      --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
      --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    ::selection{background:#cfe3fc;color:var(--navy)}
    .site-aside{position:fixed;inset:0 auto 0 0;width:252px;background:rgba(255,255,255,.96);border-right:1px solid var(--line);padding:28px 18px 20px;display:flex;flex-direction:column;z-index:50;backdrop-filter:blur(15px)}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
    .brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy);line-height:1.15}
    .brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:3px}
    .side-nav{padding:20px 0;overflow-y:auto;flex:1}
    .nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
    .side-link{display:flex;align-items:center;gap:10px;padding:10px;border-radius:11px;font-size:14px;font-weight:700;color:#4c6381;margin:2px 0}
    .side-link:hover{background:#eff6ff;color:var(--ocean);transform:translateX(2px)}
    .side-link.active{background:#e6f1ff;color:var(--navy);font-weight:850}
    .nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
    .active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
    .safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
    .safe-pill strong{display:block;color:#244b79;font-size:12px}
    .main-wrap{margin-left:252px;min-height:100vh}
    .shell{width:min(1180px,calc(100% - 64px));margin:0 auto}
    .mobile-top{display:none}
    .section{padding:82px 0}
    .section-soft{background:#f0f7ff}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
    .section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
    .section-desc{max-width:760px;color:var(--muted);font-size:15px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
    .btn:active{transform:translateY(0)}
    .btn:focus,.side-link:focus,.faq-btn:focus,.mobile-menu:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
    .btn-primary{background:var(--ocean);color:#fff}
    .btn-primary:hover{background:#1e5592}
    .btn-light{background:#fff;color:var(--navy);border-color:#cfdeee}
    .btn-light:hover{border-color:#9dbfe2}
    .btn-gold{background:var(--gold);color:#423117}
    .btn-gold:hover{background:#ffc75c}
    .inner-hero{padding:42px 0 42px;background:linear-gradient(180deg,#f4f9ff 0%,#f8fbff 100%)}
    .hero-panel{min-height:360px;position:relative;overflow:hidden;border-radius:28px;padding:48px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:36px;background:linear-gradient(100deg,rgba(15,49,91,.96),rgba(26,81,142,.86)),url('/assets/images/backpic/back-2.webp') center/cover;box-shadow:var(--shadow)}
    .hero-panel:after{content:"";position:absolute;width:360px;height:360px;border:1px solid rgba(255,255,255,.17);border-radius:50%;right:-110px;top:-150px}
    .hero-copy,.matrix-card{position:relative;z-index:1}
    .hero-copy .eyebrow{color:#d9ebff}
    .hero-copy .eyebrow:before{background:var(--gold)}
    .hero-copy h1{margin:12px 0 16px;color:#fff;font-size:clamp(34px,4vw,54px);line-height:1.13;letter-spacing:-.05em;font-weight:900}
    .hero-copy p{margin:0;max-width:650px;color:#d8e8f9;font-size:15px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .matrix-card{padding:19px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:20px;backdrop-filter:blur(10px)}
    .status-line{display:flex;align-items:center;gap:8px;padding:0 0 13px;margin-bottom:14px;border-bottom:1px solid rgba(255,255,255,.18);color:#e7f2ff;font-size:12px;font-weight:700}
    .status-dot{width:8px;height:8px;background:#89ddae;border-radius:50%;box-shadow:0 0 0 4px rgba(137,221,174,.15)}
    .icon-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .matrix-item{min-height:77px;padding:12px 8px;border-radius:13px;background:rgba(255,255,255,.10);text-align:center;color:#fff}
    .matrix-icon{display:grid;place-items:center;width:27px;height:27px;margin:0 auto 7px;border-radius:9px;background:rgba(243,184,77,.96);color:#173b68;font-weight:900;font-size:15px}
    .matrix-item span{display:block;font-size:11px;font-weight:700;color:#e6f2ff}
    .quick-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:17px 20px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:0 9px 26px rgba(23,59,104,.06);margin-top:20px}
    .quick-bar strong{color:var(--navy);font-size:14px;margin-right:auto}
    .quick-item{font-size:12px;color:#4d6685;background:#f1f7ff;border-radius:99px;padding:5px 10px}
    .split-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:56px;align-items:start}
    .sticky-note{position:sticky;top:28px;padding:31px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .sticky-note h3{font-size:22px;line-height:1.35;color:var(--navy);margin:12px 0}
    .sticky-note p{font-size:14px;color:var(--muted);margin:0 0 19px}
    .rule-list{list-style:none;padding:0;margin:0}
    .rule-list li{display:flex;gap:11px;padding:11px 0;border-top:1px dashed #dce7f3;color:#506781;font-size:14px}
    .rule-list li:before{content:"✓";display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e5f1ff;color:var(--ocean);font-size:12px;font-weight:900;flex:none;margin-top:2px}
    .content-prose h2{font-size:27px;line-height:1.35;color:var(--navy);margin:0 0 17px;font-weight:850}
    .content-prose h3{font-size:20px;color:var(--navy);margin:30px 0 9px;font-weight:850}
    .content-prose p{font-size:15px;color:#506781;margin:0 0 17px}
    .content-prose strong{color:#254f81}
    .notice-box{padding:19px 21px;margin:25px 0;border-left:4px solid var(--gold);border-radius:0 var(--radius-sm) var(--radius-sm) 0;background:#fff9ed;color:#70572d;font-size:14px}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:33px}
    .plan-card{position:relative;overflow:hidden;padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 26px rgba(23,59,104,.05);transition:transform .24s,box-shadow .24s}
    .plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .plan-num{font-size:12px;color:var(--ocean);font-weight:900;letter-spacing:.13em}
    .plan-card h3{font-size:21px;color:var(--navy);font-weight:850;margin:13px 0 9px}
    .plan-card p{font-size:14px;color:var(--muted);margin:0}
    .plan-card:after{content:"";position:absolute;right:-25px;bottom:-35px;width:110px;height:110px;border-radius:50%;background:#edf5ff}
    .plan-card>*{position:relative;z-index:1}
    .scene-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:25px;align-items:stretch;margin-top:33px}
    .scene-image{min-height:350px;border-radius:var(--radius);overflow:hidden;position:relative}
    .scene-image img{width:100%;height:100%;object-fit:cover}
    .scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,43,79,.70),transparent 65%)}
    .image-caption{position:absolute;z-index:1;left:28px;bottom:24px;color:#fff}
    .image-caption strong{display:block;font-size:22px}
    .image-caption span{font-size:13px;color:#d9eafa}
    .scene-list{display:flex;flex-direction:column;gap:12px}
    .scene-row{padding:19px 20px;border-radius:16px;background:#fff;border:1px solid var(--line);transition:transform .2s,border-color .2s}
    .scene-row:hover{transform:translateX(5px);border-color:#a9c9eb}
    .scene-row h3{font-size:16px;color:var(--navy);margin:0 0 4px;font-weight:850}
    .scene-row p{font-size:13px;color:var(--muted);margin:0}
    .timeline{position:relative;margin-top:34px;padding-left:28px}
    .timeline:before{content:"";position:absolute;top:10px;bottom:10px;left:7px;width:2px;background:#cfe0f1}
    .timeline-item{position:relative;padding:0 0 26px 25px}
    .timeline-item:before{content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border:3px solid #f8fbff;border-radius:50%;background:var(--ocean);box-shadow:0 0 0 2px #a9c8e8}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-time{font-size:12px;font-weight:900;color:var(--ocean);letter-spacing:.08em}
    .timeline-item h3{font-size:18px;color:var(--navy);margin:4px 0 4px;font-weight:850}
    .timeline-item p{font-size:14px;color:var(--muted);margin:0}
    .compare-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:32px}
    .compare-card{border-radius:20px;padding:27px;border:1px solid var(--line);background:#fff}
    .compare-card.good{background:var(--navy);border-color:var(--navy)}
    .compare-card h3{color:var(--navy);font-size:20px;margin:0 0 12px;font-weight:850}
    .compare-card.good h3{color:#fff}
    .compare-card p{color:var(--muted);font-size:14px;margin:0}
    .compare-card.good p{color:#d5e5f8}
    .mini-list{padding:0;margin:16px 0 0;list-style:none}
    .mini-list li{font-size:13px;color:#58708e;padding:8px 0;border-top:1px solid #e8eff7}
    .good .mini-list li{color:#d8e9fb;border-top-color:rgba(255,255,255,.17)}
    .mini-list li:before{content:"•";color:var(--gold);font-size:18px;margin-right:8px;vertical-align:-1px}
    .faq-wrap{max-width:900px;margin:33px auto 0}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;margin:11px 0;overflow:hidden;box-shadow:0 5px 16px rgba(23,59,104,.035)}
    .faq-btn{width:100%;border:0;background:#fff;color:var(--navy);padding:19px 21px;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;font-size:15px;font-weight:850}
    .faq-btn:hover{background:#f5f9fe}
    .faq-sign{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#eaf3ff;color:var(--ocean);font-size:19px;line-height:1;font-weight:500;flex:none}
    .faq-answer{display:none;padding:0 21px 20px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-sign{background:var(--ocean);color:#fff}
    .contact-band{padding:0 0 82px}
    .cta-block{border-radius:25px;padding:42px 46px;background:linear-gradient(120deg,#173b68,#286aaf);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;box-shadow:var(--shadow)}
    .cta-block h2{font-size:clamp(25px,3vw,36px);line-height:1.25;margin:0 0 9px;font-weight:850}
    .cta-block p{max-width:670px;margin:0;color:#dbeafd;font-size:14px}
    .footer{background:#102e55;color:#b8cee5;padding:56px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:40px}
    .footer .brand{border:0;padding:0}
    .footer .brand-name{color:#fff}
    .footer h3{color:#fff;font-size:14px;margin:0 0 15px;font-weight:800}
    .footer p{font-size:13px;line-height:1.8;color:#a7c0dc}
    .footer-links{display:flex;flex-direction:column;gap:9px}
    .footer-links a{font-size:13px;color:#b8cee5}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .foot-bottom{margin-top:39px;padding-top:20px;border-top:1px solid rgba(201,223,245,.16);display:flex;flex-wrap:wrap;gap:10px 22px;font-size:12px;color:#9eb9d5}
    .foot-bottom a:hover{color:#fff}
    @media(max-width:1024px){
      .site-aside{width:224px}
      .main-wrap{margin-left:224px}
      .shell{width:min(100% - 46px,1180px)}
      .hero-panel{padding:38px}
      .split-grid{gap:34px}
      .plan-grid{grid-template-columns:1fr}
    }
    @media(max-width:768px){
      .site-aside{display:none}
      .main-wrap{margin-left:0}
      .mobile-top{display:flex;position:sticky;top:0;z-index:60;align-items:center;justify-content:space-between;padding:13px 18px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
      .mobile-top .brand{padding:0;border:0}
      .mobile-menu{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:10px;padding:8px 11px;font-weight:800}
      .mobile-nav{display:none;position:absolute;top:67px;left:0;right:0;padding:12px 18px 17px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 13px 25px rgba(23,59,104,.1)}
      .mobile-nav.show{display:grid;grid-template-columns:1fr 1fr;gap:4px}
      .mobile-nav a{padding:8px;border-radius:9px;font-size:13px;font-weight:700;color:#4d6685}
      .mobile-nav a.active{background:#e6f1ff;color:var(--navy)}
      .section{padding:61px 0}
      .inner-hero{padding:25px 0 31px}
      .hero-panel{grid-template-columns:1fr;padding:31px 25px;min-height:auto;gap:25px}
      .hero-copy h1{font-size:39px}
      .matrix-card{max-width:420px}
      .split-grid,.scene-grid{grid-template-columns:1fr}
      .sticky-note{position:static}
      .compare-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-grid>div:first-child{grid-column:1/-1}
      .cta-block{padding:34px 29px;align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .shell{width:min(100% - 32px,1180px)}
      .mobile-nav.show{grid-template-columns:1fr}
      .hero-panel{border-radius:20px;padding:27px 21px}
      .hero-copy h1{font-size:34px}
      .hero-actions .btn{width:100%}
      .quick-bar{padding:14px}
      .quick-bar strong{width:100%}
      .section-title{font-size:29px}
      .scene-image{min-height:280px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .cta-block{border-radius:20px;padding:29px 23px}
    }

/* roulang page: category4 */
:root{
      --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
      --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
      --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .sidebar{position:fixed;z-index:30;left:0;top:0;bottom:0;width:252px;background:#fff;border-right:1px solid var(--line);padding:28px 20px 20px;display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
    .brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy);line-height:1.2}
    .brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:2px}
    .side-nav{padding:20px 0;overflow-y:auto;flex:1}
    .nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
    .side-link{display:flex;align-items:center;gap:10px;margin:3px 0;padding:10px;border-radius:11px;color:#526882;font-size:14px;font-weight:700}
    .side-link:hover{background:#f0f7ff;color:var(--ocean);transform:translateX(2px)}
    .side-link.active{background:#e8f2ff;color:var(--navy)}
    .nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
    .active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
    .safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:11px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
    .safe-pill strong{display:block;color:#244b79;font-size:12px}
    .main-wrap{margin-left:252px}
    .shell{width:min(1160px,calc(100% - 56px));margin:0 auto}
    .mobile-top{display:none}
    .section{padding:78px 0}
    .section-soft{background:#f0f7ff}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
    .section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
    .section-desc{max-width:750px;color:var(--muted);font-size:15px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
    .btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
    .btn-primary{background:var(--ocean);color:white}.btn-primary:hover{background:#1e5592}
    .btn-light{background:white;color:var(--navy);border-color:#cfdeee}.btn-light:hover{border-color:#9dbfe2}
    .btn-gold{background:var(--gold);color:#423117}.btn-gold:hover{background:#ffc75c}
    .inner-hero{padding:42px 0 55px;background:linear-gradient(180deg,#f5faff,#f8fbff)}
    .hero-panel{min-height:430px;position:relative;overflow:hidden;border-radius:28px;padding:48px;background-image:linear-gradient(90deg,rgba(10,39,76,.94),rgba(19,61,109,.77) 52%,rgba(17,58,103,.28)),url('/assets/images/backpic/back-2.webp');background-position:center;background-size:cover;box-shadow:var(--shadow);display:flex;align-items:flex-end}
    .hero-panel:after{content:"";position:absolute;right:-72px;top:-80px;width:280px;height:280px;border:1px solid rgba(255,255,255,.2);border-radius:50%}
    .hero-copy{position:relative;z-index:1;max-width:760px;color:white}
    .hero-badge{display:inline-flex;padding:6px 11px;border:1px solid rgba(255,255,255,.32);border-radius:99px;background:rgba(255,255,255,.13);font-size:12px;font-weight:800;backdrop-filter:blur(8px)}
    h1{font-size:clamp(38px,5vw,62px);line-height:1.12;letter-spacing:-.055em;margin:16px 0;font-weight:900}
    .hero-copy p{color:#dceaff;font-size:16px;max-width:680px;margin:0 0 25px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:11px}
    .quick-bar{margin-top:-28px;position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);background:white;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
    .quick-item{padding:20px 24px;border-right:1px solid var(--line)}
    .quick-item:last-child{border-right:0}
    .quick-item strong{display:block;color:var(--navy);font-size:15px}
    .quick-item span{font-size:12px;color:var(--muted)}
    .article-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
    .article-image{position:relative}
    .article-image img{width:100%;height:430px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
    .image-note{position:absolute;bottom:18px;left:18px;right:18px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);padding:13px 15px;border-radius:12px;color:var(--navy);font-size:13px;font-weight:800}
    .prose p{color:var(--muted);font-size:15px;margin:0 0 15px}
    .check-list{list-style:none;margin:23px 0 0;padding:0}
    .check-list li{position:relative;padding:10px 0 10px 31px;border-bottom:1px dashed #dbe6f2;color:#435d7d;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:10px;width:21px;height:21px;border-radius:50%;display:grid;place-items:center;background:#e5f1ff;color:var(--ocean);font-weight:900;font-size:12px}
    .rule-layout{display:grid;grid-template-columns:.76fr 1.24fr;gap:20px;margin-top:34px}
    .rule-intro{border-radius:var(--radius);background:var(--navy);padding:32px;color:white}
    .rule-intro h3{font-size:26px;line-height:1.35;margin:0 0 13px;font-weight:850}
    .rule-intro p{font-size:14px;color:#d2e4fa;margin:0}
    .rule-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
    .rule-card{background:white;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px;box-shadow:0 8px 26px rgba(23,59,104,.05);transition:.25s}
    .rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .rule-icon{width:42px;height:42px;display:grid;place-items:center;background:#e7f2ff;color:var(--ocean);border-radius:13px;font-weight:900;font-size:19px}
    .rule-card h3{font-size:18px;color:var(--navy);margin:13px 0 6px;font-weight:850}
    .rule-card p{font-size:13px;color:var(--muted);margin:0}
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:33px}
    .scenario{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 8px 25px rgba(23,59,104,.05)}
    .scenario img{width:100%;height:170px;object-fit:cover}
    .scenario-body{padding:22px}
    .scenario-label{font-size:11px;font-weight:900;color:var(--ocean);letter-spacing:.1em}
    .scenario h3{font-size:19px;color:var(--navy);margin:7px 0;font-weight:850}
    .scenario p{font-size:13px;color:var(--muted);margin:0}
    .steps{margin-top:36px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .step{position:relative;padding:24px 20px;background:white;border-radius:18px;border:1px solid var(--line)}
    .step-no{color:var(--gold);font-size:13px;font-weight:900;letter-spacing:.1em}
    .step h3{font-size:17px;color:var(--navy);font-weight:850;margin:10px 0 6px}
    .step p{margin:0;color:var(--muted);font-size:13px}
    .quote-band{background:var(--navy);color:white}
    .quote-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:center}
    .quote-mark{font-size:90px;line-height:.7;color:var(--gold);font-family:Georgia,serif}
    .quote-text{font-size:25px;line-height:1.55;font-weight:750;margin:0}
    .quote-side{color:#cfe2fa;font-size:14px}
    .do-dont{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}
    .conduct{border-radius:var(--radius);padding:30px;border:1px solid var(--line)}
    .conduct.good{background:#f4f9ff}.conduct.caution{background:#fffaf0;border-color:#f2dfb6}
    .conduct h3{font-size:21px;color:var(--navy);margin:0 0 13px;font-weight:850}
    .conduct ul{margin:0;padding:0;list-style:none}
    .conduct li{padding:11px 0;border-top:1px dashed rgba(69,103,140,.2);font-size:14px;color:#526882}
    .conduct li:first-child{border-top:0}
    .conduct.good li:before{content:"✓";color:var(--ocean);font-weight:900;margin-right:10px}
    .conduct.caution li:before{content:"!";color:#bd841d;font-weight:900;margin-right:12px}
    .faq-list{max-width:900px;margin:35px auto 0}
    .faq-item{background:white;border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:0 7px 20px rgba(23,59,104,.04)}
    .faq-btn{width:100%;border:0;background:white;color:var(--navy);font-size:15px;font-weight:850;text-align:left;padding:19px 22px;display:flex;justify-content:space-between;align-items:center;gap:18px}
    .faq-btn span:last-child{font-size:23px;color:var(--ocean);font-weight:400;transition:transform .2s}
    .faq-item.open .faq-btn span:last-child{transform:rotate(45deg)}
    .faq-answer{display:none;padding:0 22px 19px;color:var(--muted);font-size:14px}
    .faq-item.open .faq-answer{display:block}
    .cta-box{border-radius:28px;background:linear-gradient(120deg,#173b68,#2463a8);padding:44px 48px;color:white;display:flex;align-items:center;justify-content:space-between;gap:35px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(27px,3vw,38px);line-height:1.3;margin:0 0 10px;font-weight:850}
    .cta-box p{margin:0;color:#d5e7fb;max-width:680px;font-size:14px}
    .footer{background:#102d52;color:#b9cce2;padding:55px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr;gap:55px}
    .footer .brand{border-color:rgba(255,255,255,.15);padding-left:0}
    .footer .brand-name{color:white}.footer h3{font-size:14px;color:white;margin:5px 0 15px;font-weight:800}
    .footer p{font-size:13px;line-height:1.8}
    .footer-links{display:grid;gap:9px}.footer-links a{font-size:13px;color:#b9cce2}.footer-links a:hover{color:white;transform:translateX(3px)}
    .foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:12px;color:#9db6d1}
    .foot-bottom a:hover{color:white}
    @media(max-width:1024px){.sidebar{width:220px}.main-wrap{margin-left:220px}.shell{width:min(100% - 40px,1160px)}.hero-panel{padding:38px}.quick-item{padding:16px}.article-grid,.quote-grid{gap:32px}.scenario-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.sidebar{display:none}.main-wrap{margin-left:0}.mobile-top{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;padding:13px 18px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.mobile-top .brand{padding:0;border:0}.mobile-top .brand-mark{width:34px;height:34px;font-size:16px}.mobile-top .brand-name{font-size:17px}.mobile-top .brand-sub{font-size:9px}.mobile-menu{border:1px solid var(--line);background:#fff;border-radius:9px;color:var(--navy);padding:7px 10px;font-weight:800}.mobile-links{display:none;position:absolute;top:65px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:10px 18px;max-height:calc(100vh - 65px);overflow:auto}.mobile-links.show{display:block}.mobile-links a{display:block;padding:10px 4px;color:#526882;font-weight:700;font-size:14px}.inner-hero{padding:24px 0 48px}.hero-panel{min-height:400px;padding:30px}.quick-bar{grid-template-columns:repeat(2,1fr)}.quick-item:nth-child(2){border-right:0}.quick-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.article-grid,.rule-layout,.quote-grid{grid-template-columns:1fr}.article-image{order:2}.rule-cards{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.cta-box{padding:35px;display:block}.cta-box .btn{margin-top:20px}}
    @media(max-width:520px){.shell{width:min(100% - 30px,1160px)}.section{padding:58px 0}.hero-panel{padding:26px;min-height:430px;border-radius:20px}h1{font-size:38px}.hero-copy p{font-size:14px}.hero-actions .btn{width:100%}.quick-bar{margin-top:-20px;border-radius:14px}.quick-item{padding:14px}.quick-item strong{font-size:13px}.quick-item span{font-size:11px}.article-image img{height:290px}.scenario-grid,.do-dont,.steps{grid-template-columns:1fr}.section-title{font-size:29px}.quote-text{font-size:21px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.foot-bottom{display:grid}.cta-box{padding:28px 24px;border-radius:20px}.rule-intro,.conduct{padding:24px}}

/* roulang page: category5 */
:root{
      --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
      --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
      --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .shell{width:min(1160px,calc(100% - 64px));margin:auto}
    .side-bar{position:fixed;z-index:30;top:0;bottom:0;left:0;width:252px;background:#fff;border-right:1px solid var(--line);padding:26px 18px 18px;display:flex;flex-direction:column}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
    .brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy);line-height:1.2}
    .brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:2px}
    .side-nav{padding:20px 0;overflow-y:auto;flex:1}
    .nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
    .side-link{display:flex;align-items:center;gap:10px;padding:11px 10px;margin:3px 0;border-radius:11px;color:#4e6380;font-size:14px;font-weight:700}
    .side-link:hover{background:#edf5ff;color:var(--ocean);transform:translateX(2px)}
    .side-link.active{background:#eaf3ff;color:var(--navy)}
    .nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
    .active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
    .safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
    .safe-pill strong{display:block;color:#244b79;font-size:12px}
    .main-wrap{margin-left:252px}
    .mobile-top{display:none}
    .section{padding:80px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
    .section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
    .section-desc{max-width:740px;color:var(--muted);font-size:15px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
    .btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
    .btn-primary{background:var(--ocean);color:white}.btn-primary:hover{background:#1e5592}
    .btn-light{background:white;color:var(--navy);border-color:#cfdeee}.btn-light:hover{border-color:#9dbfe2}
    .btn-gold{background:var(--gold);color:#423117}.btn-gold:hover{background:#ffc75c}
    .inner-hero{padding:58px 0 56px;background:linear-gradient(180deg,#f4f9ff,#f8fbff)}
    .hero-panel{position:relative;overflow:hidden;min-height:390px;border-radius:28px;padding:52px;background-image:linear-gradient(90deg,rgba(13,45,83,.94),rgba(20,61,108,.72),rgba(20,61,108,.18)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;box-shadow:var(--shadow);color:white;display:flex;flex-direction:column;justify-content:flex-end}
    .hero-panel:after{content:"";position:absolute;right:-50px;top:-70px;width:285px;height:285px;border:1px solid rgba(255,255,255,.23);border-radius:50%}
    .hero-panel>*{position:relative;z-index:1}
    .hero-panel h1{font-size:clamp(36px,4.6vw,60px);font-weight:900;letter-spacing:-.055em;line-height:1.13;max-width:750px;margin:14px 0}
    .hero-panel p{max-width:720px;margin:0;color:#dceaff;font-size:15px}
    .hero-badge{display:inline-flex;width:max-content;padding:6px 11px;border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.13);border-radius:99px;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .quick-bar{margin-top:-26px;position:relative;z-index:2;background:white;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
    .quick-bar strong{color:var(--navy);font-size:15px}.quick-links{display:flex;flex-wrap:wrap;gap:9px}
    .quick-links a{font-size:13px;font-weight:750;color:#355b87;background:#f0f7ff;padding:7px 11px;border-radius:99px}.quick-links a:hover{background:var(--ocean);color:white}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .image-frame{overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);min-height:390px}
    .image-frame img{width:100%;height:100%;min-height:390px;object-fit:cover}
    .check-list{padding:0;margin:24px 0 0;list-style:none}
    .check-list li{position:relative;padding:12px 0 12px 31px;border-bottom:1px dashed #d8e5f2;color:#4f6683;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:12px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#e5f1ff;color:var(--ocean);font-weight:900;font-size:12px}
    .soft-section{background:#f0f7ff}
    .method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
    .method-card{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 26px rgba(23,59,104,.05);transition:.24s ease}
    .method-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#bdd5ed}
    .method-icon{width:46px;height:46px;border-radius:14px;background:#e8f3ff;color:var(--ocean);display:grid;place-items:center;font-size:21px;font-weight:900}
    .method-card h3{margin:17px 0 8px;color:var(--navy);font-size:18px;font-weight:850}
    .method-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.75}
    .rule-board{border-radius:24px;background:var(--navy);padding:44px;color:white;display:grid;grid-template-columns:1fr 1fr;gap:38px;overflow:hidden;position:relative}
    .rule-board:before{content:"";position:absolute;width:380px;height:380px;right:-120px;bottom:-180px;border:1px solid rgba(255,255,255,.13);border-radius:50%}
    .rule-board>*{position:relative;z-index:1}
    .rule-board h2{font-size:clamp(27px,3vw,39px);line-height:1.25;margin:8px 0 13px;font-weight:850}
    .rule-board p{color:#d7e7fa;font-size:14px;margin:0}
    .mini-rules{display:grid;gap:12px}
    .mini-rule{padding:16px 18px;border:1px solid rgba(255,255,255,.17);border-radius:15px;background:rgba(255,255,255,.08)}
    .mini-rule strong{display:block;font-size:15px;color:#fff}.mini-rule span{display:block;color:#cfe2f8;font-size:13px;margin-top:3px}
    .scene-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:22px;margin-top:34px}
    .scene-main{border-radius:22px;overflow:hidden;min-height:390px;position:relative;background:#173b68}
    .scene-main img{width:100%;height:100%;object-fit:cover;opacity:.76}
    .scene-copy{position:absolute;left:0;right:0;bottom:0;padding:30px;background:linear-gradient(transparent,rgba(10,35,69,.95));color:white}
    .scene-copy h3{font-size:24px;margin:0 0 6px;font-weight:850}.scene-copy p{margin:0;color:#deebf8;font-size:14px}
    .scene-list{display:grid;gap:15px}
    .scene-item{background:#fff;border:1px solid var(--line);border-radius:17px;padding:21px;transition:.2s}
    .scene-item:hover{border-color:#a6c6e7;transform:translateX(4px)}
    .scene-item small{color:var(--ocean);font-weight:800;letter-spacing:.08em}.scene-item h3{font-size:18px;margin:5px 0;color:var(--navy);font-weight:850}.scene-item p{font-size:13px;color:var(--muted);margin:0}
    .flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:34px}
    .flow-step{padding:24px 20px;background:#fff;border-top:3px solid var(--gold);border-radius:0 0 18px 18px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
    .flow-no{font-size:12px;color:var(--ocean);font-weight:900;letter-spacing:.12em}.flow-step h3{font-size:18px;margin:10px 0 7px;color:var(--navy);font-weight:850}.flow-step p{margin:0;color:var(--muted);font-size:13px}
    .notice{border:1px solid #f0d79c;background:#fff9e9;border-radius:18px;padding:26px 29px;display:flex;gap:18px;align-items:flex-start}
    .notice-icon{width:40px;height:40px;flex:none;border-radius:50%;display:grid;place-items:center;background:#ffe5a5;color:#765219;font-weight:900}.notice h3{margin:0 0 4px;color:#71501b;font-size:18px;font-weight:850}.notice p{margin:0;color:#856b3d;font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:55px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:15px;overflow:hidden}
    .faq-btn{width:100%;border:0;background:white;text-align:left;padding:18px 20px;color:var(--navy);font-size:15px;font-weight:800;display:flex;justify-content:space-between;gap:14px}
    .faq-btn:hover{background:#f5f9ff}.faq-symbol{color:var(--ocean);font-size:21px;line-height:1}.faq-answer{display:none;padding:0 20px 19px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-symbol{transform:rotate(45deg)}
    .cta-box{border-radius:25px;padding:48px;background:linear-gradient(110deg,#173b68,#286bae);color:white;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .cta-box h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:0 0 10px;font-weight:850}.cta-box p{margin:0;color:#d8e8fa;max-width:670px;font-size:14px}
    .footer{background:#102d52;color:#b9cee5;padding:58px 0 25px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:48px}.footer .brand{border-color:rgba(255,255,255,.15);padding-left:0}.footer .brand-name{color:#fff}.footer h3{font-size:14px;color:#fff;margin:4px 0 15px;font-weight:800}.footer p{font-size:13px;line-height:1.8}.footer-links{display:grid;gap:9px}.footer-links a{font-size:13px}.footer-links a:hover{color:#fff;transform:translateX(3px)}.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px}.foot-bottom a:hover{color:white}
    @media(max-width:1024px){.side-bar{width:224px}.main-wrap{margin-left:224px}.shell{width:min(100% - 46px,960px)}.method-grid{grid-template-columns:repeat(2,1fr)}.hero-panel{padding:42px}.split-grid{gap:35px}.faq-wrap{gap:32px}}
    @media(max-width:768px){.side-bar{display:none}.main-wrap{margin-left:0}.mobile-top{height:67px;padding:0 20px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}.mobile-top .brand{padding:0;border:0}.mobile-top .brand-mark{width:35px;height:35px}.mobile-top .brand-name{font-size:18px}.mobile-menu{border:1px solid var(--line);background:#f6faff;color:var(--navy);border-radius:10px;padding:8px 11px;font-size:13px;font-weight:800}.mobile-nav{display:none;position:absolute;top:67px;left:0;right:0;background:white;padding:12px 20px 18px;border-bottom:1px solid var(--line);box-shadow:0 12px 25px rgba(21,55,98,.1)}.mobile-nav.show{display:grid}.mobile-nav .side-link{padding:8px 4px}.section{padding:62px 0}.shell{width:min(100% - 36px,680px)}.hero-panel{min-height:390px;padding:32px}.quick-bar{margin:18px 0 0;display:block}.quick-links{margin-top:12px}.split-grid,.rule-board,.faq-wrap{grid-template-columns:1fr}.image-frame,.image-frame img{min-height:280px}.scene-grid{grid-template-columns:1fr}.flow-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.cta-box{display:block;padding:34px}.cta-box .btn{margin-top:22px}}
    @media(max-width:520px){.hero-panel h1{font-size:35px}.hero-panel{padding:28px 23px;min-height:420px}.section-title{font-size:29px}.method-grid,.flow-grid{grid-template-columns:1fr}.quick-bar{padding:18px}.notice{padding:20px;gap:12px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.foot-bottom{display:grid}.hero-actions .btn{width:100%}}

/* roulang page: category7 */
:root{
--navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;--mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;--white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
a{color:inherit;text-decoration:none;transition:all .22s ease}
button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
.shell{width:min(1120px,calc(100% - 56px));margin:0 auto}
.side-panel{position:fixed;z-index:30;left:0;top:0;width:252px;height:100vh;background:#fff;border-right:1px solid var(--line);padding:28px 20px 18px;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
.brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
.brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy)}
.brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:-3px}
.side-nav{padding:20px 0;overflow-y:auto;flex:1}
.nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
.side-link{display:flex;align-items:center;gap:10px;padding:10px;border-radius:11px;font-size:14px;font-weight:700;color:#4d6481;margin:2px 0}
.side-link:hover{background:#eff6ff;color:var(--ocean);transform:translateX(2px)}
.side-link.active{background:#eaf3ff;color:var(--navy);font-weight:850}
.nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}.active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
.safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}.safe-pill strong{display:block;color:#244b79;font-size:12px}
.main-wrap{margin-left:252px}.mobile-top{display:none}
.section{padding:82px 0}.section.tint{background:var(--mist)}.section.soft{background:#f3f8fe}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}.eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
.section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}.section-desc{max-width:735px;color:var(--muted);font-size:15px;margin:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}.btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
.btn-primary{background:var(--ocean);color:#fff}.btn-primary:hover{background:#1e5592}.btn-light{background:#fff;color:var(--navy);border-color:#cfdeee}.btn-light:hover{border-color:#9dbfe2}.btn-gold{background:var(--gold);color:#423117}.btn-gold:hover{background:#ffc75c}
.inner-hero{padding:52px 0 38px;background:linear-gradient(180deg,#f5faff,#f8fbff)}
.hero-box{border-radius:28px;padding:48px;min-height:365px;overflow:hidden;position:relative;background:linear-gradient(100deg,rgba(16,48,88,.95),rgba(27,78,132,.83)),url('/assets/images/backpic/back-3.webp') center/cover;color:#fff;box-shadow:var(--shadow)}
.hero-box:after{content:"";position:absolute;width:300px;height:300px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-90px;top:-104px}.hero-content{position:relative;z-index:1;max-width:720px}.hero-chip{display:inline-flex;padding:6px 12px;border:1px solid rgba(255,255,255,.3);border-radius:99px;background:rgba(255,255,255,.1);font-size:12px;font-weight:800}.hero-box h1{font-size:clamp(35px,5vw,58px);line-height:1.13;letter-spacing:-.055em;margin:15px 0 17px;font-weight:900}.hero-box p{max-width:670px;color:#dceaff;font-size:15px;margin:0 0 24px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.status-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.status-item{display:flex;align-items:center;gap:7px;font-size:12px;color:#d7e9fb}.status-item i{width:8px;height:8px;border-radius:50%;background:#83dfb3;display:block}.status-item:nth-child(2) i{background:var(--gold)}.status-item:nth-child(3) i{background:#8fc4ff}
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center}.photo-frame{border-radius:var(--radius);overflow:hidden;min-height:320px;box-shadow:var(--shadow);position:relative}.photo-frame img{height:100%;width:100%;object-fit:cover}.photo-frame span{position:absolute;left:18px;bottom:18px;color:#fff;background:rgba(12,42,77,.8);padding:8px 13px;border-radius:10px;font-size:12px;font-weight:700}
.note-box{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius-sm);padding:18px 20px;color:#526882;font-size:14px}.note-box strong{color:var(--navy)}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}.principle{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:23px 20px;box-shadow:0 7px 23px rgba(23,59,104,.05);transition:transform .24s,box-shadow .24s}.principle:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.icon-box{width:42px;height:42px;display:grid;place-items:center;background:#e8f2ff;color:var(--ocean);font-size:20px;border-radius:13px;font-weight:900}.principle h3{font-size:17px;color:var(--navy);margin:14px 0 6px;font-weight:850}.principle p{font-size:13px;color:var(--muted);margin:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px}.guide-card{background:#fff;border:1px solid var(--line);padding:28px;border-radius:var(--radius);box-shadow:0 8px 26px rgba(23,59,104,.05)}.guide-card h3{margin:0 0 12px;font-size:21px;color:var(--navy);font-weight:850}.guide-card p{font-size:14px;color:var(--muted);margin:0}.check-list{padding:0;margin:17px 0 0;list-style:none}.check-list li{padding:9px 0;border-top:1px dashed #dce7f2;color:#506781;font-size:14px}.check-list li:before{content:"✓";color:var(--ocean);font-weight:900;margin-right:10px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:35px}.flow-step{position:relative;padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:18px}.flow-num{font-size:12px;color:var(--ocean);font-weight:900;letter-spacing:.1em}.flow-step h3{font-size:17px;color:var(--navy);font-weight:850;margin:9px 0 6px}.flow-step p{font-size:13px;color:var(--muted);margin:0}
.scene-list{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:stretch}.scene-image{border-radius:var(--radius);overflow:hidden;min-height:380px}.scene-image img{width:100%;height:100%;object-fit:cover}.scene-items{display:grid;gap:12px}.scene-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;gap:14px;align-items:flex-start}.scene-badge{background:var(--sky);width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:var(--ocean);font-weight:900;flex:none}.scene-item h3{margin:0 0 3px;color:var(--navy);font-size:16px;font-weight:850}.scene-item p{margin:0;color:var(--muted);font-size:13px}
.boundary{background:var(--navy);color:#fff}.boundary .section-title{color:#fff}.boundary .section-desc{color:#d2e4fa}.boundary-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:34px}.boundary-card{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);padding:23px;border-radius:17px}.boundary-card h3{font-size:17px;margin:0 0 8px;color:#fff;font-weight:850}.boundary-card p{font-size:13px;color:#d6e7fa;margin:0}.boundary-card b{color:var(--gold)}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:48px;align-items:start}.faq-list{margin-top:0}.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:11px;overflow:hidden}.faq-btn{border:0;background:#fff;width:100%;text-align:left;padding:17px 19px;color:var(--navy);font-size:15px;font-weight:800;display:flex;justify-content:space-between;gap:14px}.faq-btn span:last-child{color:var(--ocean);font-size:20px;line-height:1}.faq-answer{display:none;padding:0 19px 18px;color:var(--muted);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-btn span:last-child{transform:rotate(45deg)}
.cta-box{background:linear-gradient(110deg,#1a4780,#2463a8);border-radius:26px;padding:42px 46px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;box-shadow:var(--shadow)}.cta-box h2{font-size:30px;line-height:1.3;margin:0 0 9px;font-weight:900}.cta-box p{margin:0;color:#d7e9fc;font-size:14px;max-width:670px}
.footer{background:#102d52;color:#bcd0e6;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:45px}.footer .brand{border-color:rgba(255,255,255,.13);padding-bottom:15px}.footer .brand-name{color:#fff}.footer h3{font-size:14px;color:#fff;margin:4px 0 15px}.footer p{font-size:13px;line-height:1.8}.footer-links{display:grid;gap:8px}.footer-links a{font-size:13px;color:#bcd0e6}.footer-links a:hover,.foot-bottom a:hover{color:#fff}.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;gap:10px 20px;font-size:12px;color:#a7c0dc}
@media(max-width:1024px){.side-panel{width:220px}.main-wrap{margin-left:220px}.shell{width:min(100% - 42px,980px)}.principle-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.side-panel{display:none}.main-wrap{margin-left:0}.mobile-top{display:flex;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);padding:12px 18px;align-items:center;justify-content:space-between;backdrop-filter:blur(10px)}.mobile-top .brand{padding:0;border:0}.mobile-top .brand-mark{width:34px;height:34px}.mobile-top .brand-name{font-size:18px}.mobile-top .brand-sub{display:none}.menu-btn{border:1px solid var(--line);background:#fff;color:var(--navy);padding:7px 10px;border-radius:10px;font-weight:800}.mobile-menu{display:none;position:fixed;z-index:49;top:59px;left:0;right:0;background:#fff;padding:14px 18px 19px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);max-height:75vh;overflow:auto}.mobile-menu.show{display:block}.mobile-menu .side-nav{padding:0}.section{padding:60px 0}.hero-box{padding:34px 27px;min-height:390px}.intro-grid,.faq-layout,.scene-list{grid-template-columns:1fr;gap:28px}.flow{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.cta-box{padding:34px;align-items:flex-start;flex-direction:column}}
@media(max-width:520px){.shell{width:calc(100% - 30px)}.section{padding:48px 0}.hero-box{padding:28px 21px}.hero-box h1{font-size:35px}.two-col,.boundary-grid,.principle-grid,.flow,.footer-grid{grid-template-columns:1fr}.photo-frame{min-height:250px}.cta-box{padding:28px 23px}.cta-box h2{font-size:25px}.btn{width:100%}.hero-actions{display:grid}.status-bar{gap:8px}.foot-bottom{display:grid;gap:7px}}

/* roulang page: category6 */
:root{
      --navy:#173b68;--ocean:#2463a8;--ink:#10233f;--muted:#60718a;
      --mist:#edf5ff;--sky:#e2efff;--line:#d7e3f1;--gold:#f3b84d;
      --white:#fff;--radius:22px;--radius-sm:14px;--shadow:0 18px 50px rgba(25,61,108,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:#f8fbff;color:var(--ink);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:all .22s ease}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    .site-rail{position:fixed;z-index:30;left:0;top:0;bottom:0;width:252px;background:rgba(255,255,255,.96);border-right:1px solid var(--line);padding:26px 18px 20px;display:flex;flex-direction:column;backdrop-filter:blur(16px)}
    .brand{display:flex;align-items:center;gap:11px;padding:0 9px 24px;border-bottom:1px solid var(--line)}
    .brand-mark{width:39px;height:39px;border-radius:13px;background:linear-gradient(145deg,#1e579c,#2e78c6);color:white;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 7px 15px rgba(36,99,168,.25)}
    .brand-name{display:block;font-size:21px;font-weight:800;letter-spacing:.08em;color:var(--navy);line-height:1.2}
    .brand-sub{display:block;font-size:11px;color:var(--muted);letter-spacing:.08em;margin-top:2px}
    .side-nav{padding:20px 0;overflow-y:auto;flex:1}
    .nav-label{font-size:11px;font-weight:700;color:#8b9ab0;letter-spacing:.13em;padding:0 10px 9px}
    .side-link{display:flex;align-items:center;gap:10px;padding:11px 12px;margin:3px 0;border-radius:11px;color:#516781;font-size:14px;font-weight:700}
    .side-link:hover{background:var(--mist);color:var(--ocean);transform:translateX(2px)}
    .side-link.active{color:var(--navy);background:#e5f0ff;box-shadow:inset 3px 0 0 var(--ocean)}
    .nav-dot{width:7px;height:7px;border-radius:99px;background:#b6c9dd;flex:none}
    .active .nav-dot{background:var(--gold);box-shadow:0 0 0 4px rgba(243,184,77,.18)}
    .safe-pill{display:flex;gap:8px;align-items:flex-start;background:#f3f8fe;padding:10px;border-radius:12px;font-size:11px;line-height:1.55;color:#5e7190}
    .safe-pill strong{display:block;color:#244b79;font-size:12px}
    .main-wrap{margin-left:252px}
    .mobile-top{display:none}
    .shell{width:min(1160px,calc(100% - 64px));margin:0 auto}
    .section{padding:82px 0}
    .section-soft{background:#f0f7ff}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;color:var(--ocean);letter-spacing:.12em}
    .eyebrow:before{content:"";width:28px;height:2px;background:var(--gold);border-radius:2px}
    .section-title{font-size:clamp(28px,3vw,42px);line-height:1.25;letter-spacing:-.03em;color:var(--navy);font-weight:850;margin:10px 0 14px}
    .section-desc{max-width:720px;color:var(--muted);font-size:15px;margin:0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 20px;font-size:14px;font-weight:800;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(25,61,108,.16)}
    .btn:focus,.side-link:focus,.faq-btn:focus,input:focus,textarea:focus{outline:3px solid rgba(36,99,168,.25);outline-offset:3px}
    .btn-primary{background:var(--ocean);color:white}
    .btn-primary:hover{background:#1e5592}
    .btn-light{background:white;color:var(--navy);border-color:#cfdeee}
    .btn-light:hover{border-color:#9dbfe2}
    .btn-gold{background:var(--gold);color:#423117}
    .btn-gold:hover{background:#ffc75c}
    .inner-hero{padding:48px 0 62px;background:linear-gradient(180deg,#f5faff 0%,#f8fbff 100%)}
    .inner-hero-grid{display:grid;grid-template-columns:1.27fr .73fr;gap:20px}
    .hero-panel{min-height:407px;border-radius:28px;padding:47px;overflow:hidden;position:relative;background-image:linear-gradient(90deg,rgba(11,39,77,.94),rgba(16,54,98,.71)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:white;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow)}
    .hero-panel:before{content:"";position:absolute;width:250px;height:250px;right:-65px;top:-90px;border:1px solid rgba(255,255,255,.22);border-radius:50%}
    .hero-panel>*{position:relative;z-index:1}
    .hero-badge{display:inline-flex;align-items:center;width:max-content;padding:6px 11px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.12);border-radius:99px;font-size:12px;font-weight:700;backdrop-filter:blur(8px)}
    .hero-panel h1{font-size:clamp(36px,4.5vw,58px);line-height:1.13;letter-spacing:-.055em;font-weight:900;margin:15px 0 17px}
    .hero-panel p{max-width:630px;font-size:15px;line-height:1.9;color:#dceaff;margin:0 0 24px}
    .hero-actions{display:flex;gap:10px;flex-wrap:wrap}
    .hero-side{display:flex;flex-direction:column;gap:20px}
    .notice-card,.progress-card{background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 26px rgba(23,59,104,.05)}
    .notice-card{padding:27px}
    .notice-card .tag{display:inline-block;font-size:11px;letter-spacing:.1em;font-weight:900;color:var(--ocean);background:#e7f1fd;border-radius:99px;padding:5px 9px}
    .notice-card h2{font-size:21px;line-height:1.4;color:var(--navy);margin:12px 0 9px;font-weight:850}
    .notice-card p{font-size:13px;color:var(--muted);margin:0}
    .progress-card{background:var(--navy);padding:24px;color:white;flex:1}
    .progress-card h3{font-size:16px;margin:0 0 15px;font-weight:850}
    .step-mini{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid rgba(255,255,255,.13);font-size:13px;color:#d6e7fa}
    .step-mini:first-of-type{border-top:0}
    .step-mini b{color:var(--gold);font-size:12px;min-width:21px}
    .intro-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
    .visual-card{position:relative;min-height:455px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
    .visual-card img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}
    .visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(11,39,77,.77))}
    .visual-caption{position:absolute;z-index:1;left:26px;right:26px;bottom:24px;color:white}
    .visual-caption b{font-size:20px;display:block}
    .visual-caption span{display:block;font-size:13px;color:#dfedff;margin-top:5px}
    .copy-block p{color:var(--muted);font-size:15px;margin:0 0 17px}
    .check-list{padding:0;margin:22px 0 0;list-style:none}
    .check-list li{position:relative;padding:11px 0 11px 31px;border-bottom:1px dashed #dce7f2;color:#405a78;font-size:14px}
    .check-list li:before{content:"✓";position:absolute;left:0;top:11px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:#e4f0fe;color:var(--ocean);font-weight:900;font-size:12px}
    .guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:35px}
    .guide-card{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 8px 26px rgba(23,59,104,.05);transition:transform .24s,box-shadow .24s}
    .guide-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .guide-num{display:grid;place-items:center;width:41px;height:41px;border-radius:13px;background:#e4f0fe;color:var(--ocean);font-weight:900;font-size:14px}
    .guide-card h3{font-size:20px;color:var(--navy);font-weight:850;margin:17px 0 8px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .guide-card .small-line{padding-top:14px;margin-top:16px;border-top:1px solid #e4edf6;color:#486381;font-size:13px}
    .rhythm-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch;margin-top:34px}
    .rhythm-main{border-radius:var(--radius);padding:33px;background:white;border:1px solid var(--line);box-shadow:0 8px 26px rgba(23,59,104,.05)}
    .rhythm-line{display:grid;grid-template-columns:53px 1fr;gap:16px;padding:15px 0;border-bottom:1px solid #e6eef6}
    .rhythm-line:last-child{border-bottom:0}
    .rhythm-time{font-size:12px;font-weight:900;color:var(--ocean);padding-top:2px}
    .rhythm-line h3{font-size:16px;margin:0 0 3px;color:var(--navy);font-weight:850}
    .rhythm-line p{font-size:13px;color:var(--muted);margin:0}
    .quote-panel{border-radius:var(--radius);padding:36px;background:var(--navy);color:white;display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--shadow)}
    .quote-mark{font-family:Georgia,serif;font-size:68px;line-height:.8;color:var(--gold)}
    .quote-panel p{font-size:20px;line-height:1.65;font-weight:750;margin:17px 0;color:#fff}
    .quote-panel small{color:#cce1f9;font-size:13px}
    .scene-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:20px;margin-top:35px}
    .scene-big{min-height:375px;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--navy)}
    .scene-big img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.72}
    .scene-big:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,38,71,.9),rgba(13,38,71,.08))}
    .scene-copy{position:absolute;z-index:1;left:31px;right:31px;bottom:26px;color:white}
    .scene-copy h3{font-size:27px;font-weight:850;margin:0 0 7px}
    .scene-copy p{font-size:14px;line-height:1.8;color:#dbeafa;margin:0}
    .scene-side{display:grid;gap:20px}
    .scene-note{padding:26px;background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 26px rgba(23,59,104,.05)}
    .scene-note h3{font-size:18px;color:var(--navy);margin:0 0 9px;font-weight:850}
    .scene-note p{font-size:13px;color:var(--muted);margin:0}
    .scene-note.gold{background:#fff9ed;border-color:#f5dfb2}
    .scene-note.gold h3{color:#72551f}
    .rule-table{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .rule-item{background:white;padding:25px;border-radius:18px;border:1px solid var(--line)}
    .rule-item span{display:block;color:var(--ocean);font-size:12px;font-weight:900;letter-spacing:.08em}
    .rule-item h3{font-size:18px;font-weight:850;color:var(--navy);margin:8px 0}
    .rule-item p{font-size:13px;color:var(--muted);margin:0}
    .etiquette-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
    .etiquette{display:flex;gap:15px;padding:20px 21px;background:white;border:1px solid var(--line);border-radius:16px}
    .etiquette-icon{flex:none;width:35px;height:35px;border-radius:11px;display:grid;place-items:center;background:#e8f2fe;color:var(--ocean);font-weight:900}
    .etiquette h3{font-size:16px;color:var(--navy);font-weight:850;margin:0 0 3px}
    .etiquette p{font-size:13px;color:var(--muted);line-height:1.65;margin:0}
    .safe-band{padding:64px 0;background:linear-gradient(130deg,#173b68,#245e9f)}
    .safe-grid{display:grid;grid-template-columns:1fr auto;align-items:center;gap:36px;color:white}
    .safe-grid h2{font-size:clamp(28px,3vw,39px);font-weight:850;line-height:1.28;margin:9px 0 11px}
    .safe-grid p{max-width:710px;color:#d5e7fa;font-size:15px;margin:0}
    .safe-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:19px}
    .safe-points span{padding:7px 11px;border:1px solid rgba(255,255,255,.22);border-radius:99px;font-size:12px;color:#eaf4ff}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:52px;align-items:start}
    .faq-side{position:sticky;top:30px}
    .faq-side p{font-size:15px;color:var(--muted);margin:0 0 20px}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:white;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:0 6px 18px rgba(23,59,104,.04)}
    .faq-btn{width:100%;display:flex;align-items:center;justify-content:space-between;text-align:left;border:0;background:white;color:var(--navy);padding:19px 21px;font-weight:850;font-size:15px}
    .faq-btn:hover{background:#f8fbff}
    .faq-plus{font-size:22px;color:var(--ocean);font-weight:400;line-height:1}
    .faq-answer{display:none;padding:0 21px 20px;color:var(--muted);font-size:14px;line-height:1.85}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-plus{transform:rotate(45deg)}
    .cta-box{border-radius:28px;overflow:hidden;position:relative;padding:52px;background-image:linear-gradient(90deg,rgba(14,43,79,.94),rgba(29,84,143,.81)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;color:white;box-shadow:var(--shadow)}
    .cta-box:after{content:"";position:absolute;width:310px;height:310px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:-68px;top:-110px}
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{font-size:clamp(29px,3vw,43px);line-height:1.25;font-weight:850;margin:10px 0 13px}
    .cta-box p{font-size:15px;color:#dcecff;max-width:660px;margin:0 0 25px}
    .footer{background:#102d52;color:#a7c0dc;padding:56px 0 23px;margin-top:82px}
    .footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:48px}
    .footer .brand{border-bottom:0;padding:0}
    .footer .brand-name{color:white}
    .footer h3{font-size:14px;color:white;margin:0 0 13px;font-weight:850}
    .footer p{font-size:13px;line-height:1.8;margin:0}
    .footer-links{display:grid;gap:9px;font-size:13px}
    .footer-links a:hover,.foot-bottom a:hover{color:white}
    .foot-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(191,218,245,.17);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px}
    @media(max-width:1024px){
      .site-rail{width:224px}.main-wrap{margin-left:224px}.shell{width:min(100% - 44px,1160px)}
      .inner-hero-grid,.intro-grid,.faq-grid{gap:30px}.hero-panel{padding:36px}.footer-grid{gap:28px}
    }
    @media(max-width:768px){
      .site-rail{display:none}.main-wrap{margin-left:0}.mobile-top{height:67px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:40;backdrop-filter:blur(12px)}
      .mobile-brand{display:flex;align-items:center;gap:9px;font-weight:850;color:var(--navy);font-size:18px}.mobile-brand .brand-mark{width:34px;height:34px;border-radius:11px}
      .menu-btn{border:1px solid var(--line);background:white;border-radius:10px;padding:7px 10px;color:var(--navy);font-size:13px;font-weight:800}
      .mobile-menu{display:none;position:fixed;z-index:39;left:0;right:0;top:67px;background:white;border-bottom:1px solid var(--line);padding:12px 20px 18px;box-shadow:0 15px 30px rgba(23,59,104,.12)}
      .mobile-menu.show{display:grid}.mobile-menu a{padding:8px 2px;color:#46617d;font-size:14px;font-weight:700}.mobile-menu a.active{color:var(--ocean)}
      .section{padding:62px 0}.inner-hero{padding:25px 0 42px}.inner-hero-grid,.intro-grid,.rhythm-wrap,.scene-grid,.faq-grid,.safe-grid{grid-template-columns:1fr}
      .hero-panel{min-height:390px}.hero-side{display:grid;grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:1fr 1fr}.faq-side{position:static}.safe-grid{gap:22px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:520px){
      .shell{width:min(100% - 32px,1160px)}.section{padding:50px 0}.hero-panel{min-height:430px;padding:28px;border-radius:21px}.hero-panel h1{font-size:37px}.hero-side,.guide-grid,.rule-table,.etiquette-grid{grid-template-columns:1fr}.notice-card,.progress-card{padding:22px}.visual-card{min-height:345px}.cta-box{padding:32px 25px}.footer{margin-top:50px}.footer-grid{grid-template-columns:1fr;gap:28px}.foot-bottom{flex-direction:column}.hero-actions .btn{width:100%}.section-title{font-size:29px}
    }