/* roulang page: index */
:root{
      --bg:#f5f8fc;
      --paper:#ffffff;
      --ink:#17324d;
      --text:#334155;
      --muted:#64748b;
      --line:#dce5ef;
      --blue:#1e5fa8;
      --blue-deep:#164b85;
      --mist:#dcebfa;
      --aqua:#eaf3f6;
      --amber:#c98236;
      --shadow:0 18px 45px rgba(28,73,121,.10);
      --shadow-hover:0 23px 50px rgba(28,73,121,.16);
      --radius:22px;
      --radius-sm:13px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;background:var(--bg);color:var(--text);
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      line-height:1.8;overflow-x:hidden;
      background-image:radial-gradient(rgba(30,95,168,.045) .7px,transparent .7px);
      background-size:16px 16px;
    }
    a{color:inherit;text-decoration:none}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%}
    :focus-visible{outline:3px solid rgba(30,95,168,.35);outline-offset:3px}
    .container{width:min(1240px,calc(100% - 40px));margin:auto}
    .site-header{padding:26px 0 0;position:relative;z-index:20}
    .nav-panel{
      display:flex;align-items:center;gap:18px;padding:14px 16px;
      border:1px solid var(--line);border-radius:23px;background:rgba(255,255,255,.94);
      box-shadow:0 10px 32px rgba(28,73,121,.08);backdrop-filter:blur(14px);
    }
    .brand{display:flex;align-items:center;gap:10px;min-width:230px;color:var(--ink);font-size:16px;font-weight:800;letter-spacing:-.3px}
    .brand-mark{
      width:34px;height:34px;border-radius:11px;background:var(--blue);position:relative;
      box-shadow:inset 0 0 0 5px rgba(255,255,255,.15)
    }
    .brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
    .brand-mark:before{width:4px;height:16px;left:10px;top:9px}
    .brand-mark:after{width:4px;height:10px;left:19px;top:12px;opacity:.65}
    .nav-links{display:flex;align-items:center;gap:7px;flex:1;justify-content:center}
    .nav-link{
      display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid transparent;
      border-radius:11px;color:var(--muted);font-size:14px;font-weight:700;transition:.22s ease;
    }
    .nav-link svg{width:16px;height:16px}
    .nav-link:hover{transform:translateY(-2px);background:#fff;border-color:var(--line);box-shadow:0 8px 16px rgba(30,95,168,.09);color:var(--blue)}
    .nav-link.active{background:var(--mist);border-color:#c8ddf5;color:var(--blue)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;
      border-radius:12px;padding:12px 17px;font-size:14px;font-weight:800;transition:.22s ease;
    }
    .btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(30,95,168,.20)}
    .btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 14px 25px rgba(30,95,168,.26)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-secondary:hover{border-color:#b9d4ee;color:var(--blue);transform:translateY(-2px)}
    .nav-cta{white-space:nowrap}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 10px;color:var(--blue)}
    .hero{padding:56px 0 42px}
    .hero-stage{
      overflow:hidden;border:1px solid var(--line);border-radius:30px;background:var(--paper);
      box-shadow:var(--shadow);position:relative;padding:clamp(28px,5vw,64px);
    }
    .hero-stage:before{
      content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-155px;top:-270px;
      background:radial-gradient(circle,rgba(220,235,250,.92),rgba(220,235,250,0) 69%);
    }
    .hero-topline,.section-kicker{position:relative;display:flex;align-items:center;gap:10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}
    .hero-topline:before,.section-kicker:before{content:"";height:1px;width:28px;background:var(--amber)}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:42px;align-items:center;margin-top:20px}
    h1,h2,h3,p{margin-top:0}
    h1{max-width:780px;color:var(--ink);font-size:clamp(38px,5.1vw,67px);line-height:1.16;letter-spacing:-.055em;margin-bottom:22px;font-weight:800}
    .hero-copy{max-width:715px;font-size:16px;color:var(--text);margin-bottom:27px}
    .action-row{display:flex;gap:12px;flex-wrap:wrap}
    .hero-notes{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}
    .note-pill{display:flex;gap:8px;align-items:center;padding:8px 11px;border-radius:10px;background:var(--aqua);color:#40617b;font-size:12px;font-weight:700}
    .note-pill b{color:var(--amber);font-size:15px}
    .progress-card{
      padding:24px;border:1px solid #cfdfef;background:linear-gradient(145deg,#eff6ff,#fff);border-radius:24px;position:relative;
    }
    .index-code{font-size:11px;color:var(--muted);letter-spacing:.12em;font-weight:800}
    .ring-area{display:flex;align-items:center;gap:22px;padding:23px 0 19px;border-bottom:1px solid var(--line)}
    .progress-ring{
      width:112px;height:112px;border-radius:50%;display:grid;place-items:center;
      background:conic-gradient(var(--blue) 0deg 266deg,#d7e5f2 266deg 360deg);position:relative;flex:0 0 auto;
    }
    .progress-ring:before{content:"";width:86px;height:86px;border-radius:50%;background:#f9fcff;position:absolute}
    .progress-ring strong{z-index:1;color:var(--blue);font-size:22px}
    .ring-copy h3{font-size:19px;color:var(--ink);margin-bottom:4px}
    .ring-copy p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
    .tier-list{padding-top:18px;display:grid;gap:10px}
    .tier{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:11px;background:rgba(255,255,255,.8);font-size:13px}
    .tier span{color:var(--muted)}.tier b{color:var(--ink)}
    .section{padding:78px 0}
    .section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:31px}
    .section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.25;letter-spacing:-.04em;color:var(--ink);margin:10px 0 0;font-weight:800}
    .section-desc{max-width:460px;color:var(--muted);font-size:15px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .news-list,.feature-panel,.faq-box,.safety-card,.app-card,.cta-box{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
    .news-list{padding:9px 25px}
    .news-row{padding:20px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:82px 1fr auto;align-items:center;gap:18px;transition:.2s}
    .news-row:last-child{border-bottom:0}.news-row:hover{padding-left:7px}
    .date{color:var(--amber);font-size:12px;font-weight:800;line-height:1.3}
    .news-row h3{font-size:16px;color:var(--ink);margin:0 0 3px}.news-row p{font-size:13px;color:var(--muted);line-height:1.6;margin:0}
    .arrow{color:var(--blue);font-weight:900;font-size:19px}
    .feature-panel{padding:28px;position:relative;overflow:hidden;background:#173f6a;color:#fff}
    .feature-panel:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.17);width:300px;height:300px;right:-130px;bottom:-180px;border-radius:50%}
    .feature-panel .section-kicker{color:#c5e1ff}.feature-panel h3{font-size:27px;line-height:1.35;margin:17px 0 13px;position:relative}.feature-panel p{color:#d8e9f8;font-size:14px;position:relative}
    .mini-index{position:relative;display:grid;gap:9px;margin-top:20px}.mini-index div{padding:9px 11px;border-left:2px solid #85b8e7;background:rgba(255,255,255,.09);font-size:13px}
    .quick-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:stretch}
    .intro-card{padding:31px;background:var(--mist);border:1px solid #cce0f4;border-radius:var(--radius)}
    .intro-card h2{font-size:34px;line-height:1.32;color:var(--ink);margin:14px 0}.intro-card p{color:#506b84;font-size:15px}
    .answer-stack{display:grid;gap:12px}
    .answer-item{padding:18px 21px;background:#fff;border:1px solid var(--line);border-radius:15px;transition:.2s}
    .answer-item:hover{border-color:#bdd7ef;box-shadow:0 10px 20px rgba(30,95,168,.08)}
    .answer-item h3{font-size:16px;color:var(--ink);margin-bottom:6px}.answer-item p{font-size:14px;line-height:1.75;color:var(--muted);margin:0}
    .content-band{background:#edf4fa;border-top:1px solid #dce8f2;border-bottom:1px solid #dce8f2}
    .catalogue{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .catalog-card{background:#fff;border:1px solid var(--line);padding:25px;border-radius:18px;box-shadow:0 12px 25px rgba(30,95,168,.06);transition:.22s}
    .catalog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#bcd6ee}
    .catalog-number{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em}.catalog-card h3{font-size:20px;color:var(--ink);margin:13px 0 9px}.catalog-card p{font-size:14px;color:var(--muted);margin-bottom:17px}
    .catalog-link{font-size:13px;font-weight:800;color:var(--blue)}
    .safety-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:22px}
    .safety-card{padding:31px}.safety-card h2{font-size:34px;color:var(--ink);line-height:1.3;margin:12px 0}.safety-card>p{color:var(--muted);font-size:15px}
    .safe-list{list-style:none;padding:0;margin:23px 0 0;display:grid;gap:13px}
    .safe-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--text)}
    .safe-check{display:grid;place-items:center;flex:0 0 23px;width:23px;height:23px;margin-top:2px;border-radius:50%;background:var(--mist);color:var(--blue);font-weight:900;font-size:13px}
    .warning-card{padding:31px;border-radius:var(--radius);background:#fff9f2;border:1px solid #f0d9bc}
    .warning-card h3{color:#80521e;font-size:21px;margin-bottom:12px}.warning-card p{color:#765d42;font-size:14px}.warning-card .btn{margin-top:9px;background:#fff;border-color:#e7c99f;color:#80521e}
    .app-card{padding:36px;display:flex;justify-content:space-between;gap:30px;align-items:center;position:relative;overflow:hidden}
    .app-card:before{content:"";position:absolute;right:3%;top:-85px;width:270px;height:270px;border:1px solid #d7e6f3;border-radius:50%}
    .app-card h2{font-size:34px;color:var(--ink);line-height:1.3;margin:12px 0}.app-card p{max-width:650px;color:var(--muted);font-size:15px;margin-bottom:0}
    .app-symbol{position:relative;width:74px;height:74px;flex:0 0 auto;border-radius:21px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:28px;box-shadow:0 14px 28px rgba(30,95,168,.22)}
    .faq-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:25px}
    .faq-intro{padding:27px}.faq-intro h2{font-size:34px;color:var(--ink);line-height:1.32;margin:13px 0}.faq-intro p{color:var(--muted);font-size:15px}
    .faq-box{overflow:hidden}.faq-item{padding:20px 25px;border-bottom:1px solid var(--line)}.faq-item:last-child{border-bottom:0}
    .faq-item h3{font-size:16px;color:var(--ink);margin-bottom:7px}.faq-item p{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
    .cta-section{padding-top:40px;padding-bottom:92px}
    .cta-box{padding:clamp(30px,5vw,55px);background:linear-gradient(120deg,#174d88,#246daf);color:#fff;position:relative;overflow:hidden}
    .cta-box:after{content:"";width:430px;height:430px;border:1px solid rgba(255,255,255,.16);border-radius:50%;position:absolute;right:-175px;top:-230px}
    .cta-box>*{position:relative}.cta-box h2{font-size:clamp(30px,4vw,45px);line-height:1.25;margin:11px 0 13px}.cta-box p{max-width:690px;color:#dcecf9;font-size:15px;margin-bottom:23px}.cta-box .btn-secondary{background:#fff;color:var(--blue);border-color:#fff}
    footer{background:#102d4a;color:#d0e0ef;padding:44px 0 29px}
    .footer-top{display:flex;justify-content:space-between;gap:30px;padding-bottom:27px;border-bottom:1px solid rgba(220,235,250,.17)}
    .footer-brand{font-size:18px;color:#fff;font-weight:800;margin-bottom:8px}.footer-top p{max-width:590px;font-size:13px;line-height:1.8;margin:0;color:#a9c3da}
    .footer-links{display:flex;gap:15px;align-items:flex-start;flex-wrap:wrap}.footer-links a{font-size:13px;color:#d7eaff}.footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;padding-top:20px;font-size:12px;color:#91adc4}
    @media(max-width:1024px){
      .nav-panel{flex-wrap:wrap}.brand{flex:1}.nav-links{order:3;width:100%;justify-content:flex-start}.hero-grid,.news-layout,.quick-grid,.safety-layout,.faq-grid{grid-template-columns:1fr}.catalogue{grid-template-columns:repeat(3,1fr)}
      .feature-panel{min-height:280px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,1240px)}.site-header{padding-top:14px}.nav-panel{padding:12px}.brand{min-width:0;font-size:14px}.menu-toggle{display:block}.nav-links{display:none;order:4;grid-template-columns:1fr 1fr;gap:8px}.nav-links.open{display:grid}.nav-link{justify-content:center;padding:10px 7px}.nav-cta{display:none}.nav-cta.mobile-open{display:inline-flex;order:5;width:100%}
      .hero{padding:28px 0}.hero-stage{padding:29px 22px;border-radius:23px}.hero-grid{gap:26px}h1{font-size:40px}.section{padding:57px 0}.section-head{display:block;margin-bottom:23px}.section-desc{margin-top:13px}.catalogue{grid-template-columns:1fr}.app-card{display:block}.app-symbol{margin-top:23px}.footer-top{display:block}.footer-links{margin-top:22px}.news-row{grid-template-columns:60px 1fr auto;gap:10px}.news-list{padding:7px 17px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.hero-copy{font-size:15px}.action-row .btn{width:100%}.hero-notes{display:grid;grid-template-columns:1fr}.ring-area{gap:15px}.progress-ring{width:95px;height:95px}.progress-ring:before{width:72px;height:72px}.section-head h2,.intro-card h2,.safety-card h2,.app-card h2,.faq-intro h2{font-size:29px}.feature-panel h3{font-size:24px}.news-row p{display:none}.news-row h3{font-size:14px}.warning-card,.safety-card,.intro-card,.app-card{padding:23px}.footer-top p{font-size:12px}
    }

/* roulang page: category1 */
:root{
 --bg:#f5f8fc;--paper:#fff;--ink:#17324d;--text:#334155;--muted:#64748b;
 --line:#dce5ef;--blue:#1e5fa8;--blue-deep:#164b85;--mist:#dcebfa;
 --aqua:#eaf3f6;--amber:#c98236;--shadow:0 18px 45px rgba(28,73,121,.10);
 --shadow-hover:0 23px 50px rgba(28,73,121,.16);--radius:22px;--radius-sm:13px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 line-height:1.8;overflow-x:hidden;background-image:radial-gradient(rgba(30,95,168,.045) .7px,transparent .7px);background-size:16px 16px
}
a{color:inherit;text-decoration:none} button,input{font:inherit} button{cursor:pointer} img{display:block;max-width:100%}
:focus-visible{outline:3px solid rgba(30,95,168,.38);outline-offset:3px}
.container{width:min(1240px,calc(100% - 40px));margin:auto}
.site-header{padding:26px 0 0;position:relative;z-index:20}
.nav-panel{display:flex;align-items:center;gap:18px;padding:14px 16px;border:1px solid var(--line);border-radius:23px;background:rgba(255,255,255,.94);box-shadow:0 10px 32px rgba(28,73,121,.08);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:10px;min-width:230px;color:var(--ink);font-size:16px;font-weight:800;letter-spacing:-.3px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);position:relative;box-shadow:inset 0 0 0 5px rgba(255,255,255,.15)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
.brand-mark:before{width:4px;height:16px;left:10px;top:9px}.brand-mark:after{width:4px;height:10px;left:19px;top:12px;opacity:.65}
.nav-links{display:flex;align-items:center;gap:7px;flex:1;justify-content:center}
.nav-link{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid transparent;border-radius:11px;color:var(--muted);font-size:14px;font-weight:700;transition:.22s ease}
.nav-link svg{width:16px;height:16px}.nav-link:hover{transform:translateY(-2px);background:#fff;border-color:var(--line);box-shadow:0 8px 16px rgba(30,95,168,.09);color:var(--blue)}
.nav-link.active{background:var(--mist);border-color:#c8ddf5;color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:12px 17px;font-size:14px;font-weight:800;transition:.22s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(30,95,168,.20)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 14px 25px rgba(30,95,168,.26)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.btn-secondary:hover{border-color:#b9d4ee;color:var(--blue);transform:translateY(-2px)}
.nav-cta{white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 10px;color:var(--blue)}
.hero{padding:56px 0 34px}.hero-stage{overflow:hidden;border:1px solid var(--line);border-radius:30px;background:var(--paper);box-shadow:var(--shadow);position:relative;padding:clamp(28px,5vw,64px)}
.hero-stage:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-155px;top:-270px;background:radial-gradient(circle,rgba(220,235,250,.92),rgba(220,235,250,0) 69%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero-topline,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}
.hero-topline:before,.section-kicker:before{content:"";height:1px;width:28px;background:var(--amber)}
h1,h2,h3,p{margin-top:0}.hero h1{font-size:clamp(39px,5.2vw,65px);line-height:1.16;letter-spacing:-.06em;color:var(--ink);margin:16px 0 20px;font-weight:800}
.hero-copy{max-width:690px;font-size:16px;color:var(--text);margin-bottom:27px}.action-row{display:flex;gap:12px;flex-wrap:wrap}
.micro-notes{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.note-pill{padding:7px 11px;border-radius:10px;background:var(--aqua);color:#49657c;font-size:12px;font-weight:700}
.guide-board{padding:24px;border:1px solid #cfe0f0;border-radius:24px;background:linear-gradient(145deg,#edf5ff,#fff);box-shadow:0 18px 34px rgba(30,95,168,.08);position:relative;overflow:hidden}
.guide-board:after{content:"";position:absolute;right:14px;bottom:13px;width:94px;height:46px;border-top:1px solid #aac9e7;border-bottom:1px solid #aac9e7;opacity:.7}
.board-top{display:flex;justify-content:space-between;align-items:center;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.08em}.board-code{color:var(--amber)}
.screen{margin:20px 0;padding:17px;border-radius:17px;background:#173f6a;min-height:167px;position:relative;overflow:hidden}
.screen:before{content:"";position:absolute;width:220px;height:220px;left:-55px;top:-98px;border:1px solid rgba(255,255,255,.22);border-radius:50%}
.screen-lines{position:relative;padding-top:32px}.screen-lines i{display:block;height:8px;border-radius:8px;background:rgba(220,235,250,.75);margin-bottom:12px}.screen-lines i:nth-child(1){width:47%}.screen-lines i:nth-child(2){width:76%;opacity:.7}.screen-lines i:nth-child(3){width:61%;opacity:.45}
.board-list{display:grid;gap:10px}.board-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:8px;font-size:13px;color:#526b83}.board-line b{color:var(--ink)}
.section{padding:86px 0}.editorial-head{display:grid;grid-template-columns:220px 1fr;gap:54px;align-items:start;margin-bottom:32px}.section-number{font-size:62px;line-height:1;color:var(--mist);font-weight:800;letter-spacing:-.08em}.section-number span{display:block;font-size:12px;letter-spacing:.15em;color:var(--amber;margin-top:13px}
.section h2{font-size:clamp(29px,3.5vw,43px);line-height:1.25;letter-spacing:-.045em;color:var(--ink);margin:10px 0 13px;font-weight:800}.section-intro{max-width:720px;color:var(--muted);font-size:16px}
.path-card,.content-card,.quote-card,.faq-wrap,.cta-box{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.path-card{padding:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;position:relative}.path-step{padding:13px 15px;position:relative}.path-step:not(:last-child):after{content:"";position:absolute;right:-12px;top:49%;height:1px;width:24px;background:#b9d4ee}.step-no{color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em}.path-step h3{font-size:17px;color:var(--ink);margin:8px 0 4px}.path-step p{font-size:13px;line-height:1.65;color:var(--muted);margin:0}
.card-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:20px;margin-top:21px}.content-card{padding:26px;transition:.25s ease;position:relative;overflow:hidden}.content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#bfd8ef}.content-card.featured{grid-row:span 2;background:#eef6ff}.content-card h3{font-size:21px;line-height:1.35;color:var(--ink);margin:15px 0 10px}.content-card p{font-size:14px;color:var(--muted);margin-bottom:16px}.icon-box{width:42px;height:42px;border-radius:13px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:800}.tag{display:inline-flex;border:1px solid #c9ddf1;color:var(--blue);background:#fff;border-radius:9px;padding:4px 8px;font-size:11px;font-weight:800}
.value-layout{display:grid;grid-template-columns:210px 1fr;gap:24px}.value-index{padding:29px;background:#173f6a;color:#fff;border-radius:var(--radius);position:relative;overflow:hidden}.value-index:after{content:"";position:absolute;width:190px;height:190px;border:1px solid rgba(255,255,255,.18);border-radius:50%;bottom:-120px;right:-80px}.value-index b{font-size:51px;line-height:1;color:#cce4fd}.value-index p{font-size:14px;line-height:1.7;color:#d3e5f5;margin:15px 0 0}
.value-main{display:grid;gap:20px}.wide-card{display:grid;grid-template-columns:235px 1fr;overflow:hidden;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}.visual-pane{background:linear-gradient(145deg,#dceafa,#f7fbff);min-height:230px;padding:24px;position:relative}.visual-pane:before,.visual-pane:after{content:"";position:absolute;border:1px solid rgba(30,95,168,.25);border-radius:50%}.visual-pane:before{width:150px;height:150px;top:33px;left:43px}.visual-pane:after{width:92px;height:92px;bottom:26px;right:23px}.wide-copy{padding:28px}.wide-copy h3{font-size:24px;line-height:1.35;color:var(--ink);margin:8px 0 10px}.wide-copy p{font-size:14px;color:var(--muted);margin-bottom:17px}.mini-values{display:grid;grid-template-columns:1fr 1fr;gap:20px}.mini-value{padding:23px;border:1px solid var(--line);border-radius:17px;background:#fff}.mini-value b{font-size:28px;color:var(--blue)}.mini-value p{font-size:13px;color:var(--muted);margin:5px 0 0}
.quote-card{padding:36px;display:grid;grid-template-columns:140px 1fr;gap:32px;background:linear-gradient(110deg,#fff,#f1f7fd)}.quote-sign{font-size:54px;font-weight:800;color:var(--amber);line-height:1}.quote-card blockquote{margin:0;font-size:20px;line-height:1.7;color:var(--ink);font-weight:700}.quote-card cite{display:block;margin-top:13px;font-size:13px;font-style:normal;color:var(--muted)}
.faq-wrap{padding:12px 27px}.faq-item{border-bottom:1px solid var(--line);padding:20px 0}.faq-item:last-child{border:0}.faq-item h3{font-size:17px;color:var(--ink);margin:0 0 8px}.faq-item p{font-size:14px;color:var(--muted);margin:0}
.cta-box{padding:clamp(28px,5vw,54px);background:#173f6a;color:#fff;position:relative;overflow:hidden}.cta-box:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.12);border-radius:50%;right:-180px;top:-240px}.cta-box>*{position:relative}.cta-box h2{font-size:clamp(29px,4vw,43px);color:#fff;max-width:660px;margin:12px 0}.cta-box p{max-width:670px;color:#d5e6f6;margin-bottom:24px}.cta-box .btn-secondary{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.96)}
footer{padding:34px 0 25px;margin-top:78px;background:#eef4fa;border-top:1px solid var(--line)}.footer-top{display:flex;justify-content:space-between;gap:35px;padding-bottom:27px}.footer-brand{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px}.footer-top p{max-width:610px;font-size:13px;line-height:1.75;color:var(--muted);margin:0}.footer-links{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap}.footer-links a{padding:7px 10px;color:var(--muted);font-size:13px;font-weight:700;border-radius:8px}.footer-links a:hover{color:var(--blue);background:#fff}.copyright{border-top:1px solid var(--line);padding-top:19px;display:flex;justify-content:space-between;gap:15px;color:#7890a5;font-size:12px}
@media(max-width:1024px){.brand{min-width:auto}.nav-panel{flex-wrap:wrap}.nav-cta{margin-left:auto}.hero-grid,.value-layout{grid-template-columns:1fr}.editorial-head{grid-template-columns:145px 1fr;gap:25px}.card-grid{grid-template-columns:1fr 1fr}.content-card.featured{grid-row:auto;grid-column:span 2}.value-index{display:flex;align-items:center;gap:24px}.value-index p{margin:0}.path-card{grid-template-columns:repeat(2,1fr)}.path-step:nth-child(2):after{display:none}}
@media(max-width:768px){.container{width:min(100% - 28px,1240px)}.site-header{padding-top:14px}.nav-panel{gap:10px;padding:12px}.menu-toggle{display:inline-flex;margin-left:auto}.nav-cta{display:none}.nav-links{display:none;width:100%;grid-template-columns:1fr 1fr;gap:8px;order:3}.nav-links.open{display:grid}.nav-link{justify-content:center;background:#f8fbff;border-color:var(--line)}.hero{padding-top:28px}.hero-stage{padding:28px 22px;border-radius:23px}.section{padding:58px 0}.editorial-head{display:block;margin-bottom:24px}.section-number{font-size:43px;margin-bottom:15px}.path-card{padding:16px}.wide-card,.quote-card{grid-template-columns:1fr}.visual-pane{min-height:170px}.footer-top,.copyright{display:block}.footer-links{margin-top:20px}.copyright span{display:block;margin-top:5px}}
@media(max-width:520px){.brand{font-size:14px}.brand-mark{width:31px;height:31px}.hero h1{font-size:37px}.action-row .btn{width:100%}.card-grid,.mini-values,.path-card{grid-template-columns:1fr}.content-card.featured{grid-column:auto}.path-step:not(:last-child):after{display:none}.path-step{border-bottom:1px solid var(--line)}.path-step:last-child{border:0}.guide-board{padding:17px}.quote-card{padding:24px}.quote-card blockquote{font-size:17px}.faq-wrap{padding:9px 19px}}

/* roulang page: category2 */
:root{
 --bg:#f5f8fc;--paper:#fff;--ink:#17324d;--text:#334155;--muted:#64748b;
 --line:#dce5ef;--blue:#1e5fa8;--blue-deep:#164b85;--mist:#dcebfa;
 --aqua:#eaf3f6;--amber:#c98236;--shadow:0 18px 45px rgba(28,73,121,.10);
 --shadow-hover:0 23px 50px rgba(28,73,121,.16);--radius:22px;--radius-sm:13px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.8;
 font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
 background-image:radial-gradient(rgba(30,95,168,.045) .7px,transparent .7px);
 background-size:16px 16px;
}
a{color:inherit;text-decoration:none}
button,input{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}
.container{width:min(1240px,calc(100% - 40px));margin:auto}
.site-header{padding:26px 0 0;position:relative;z-index:20}
.nav-panel{
 display:flex;align-items:center;gap:18px;padding:14px 16px;border:1px solid var(--line);
 border-radius:23px;background:rgba(255,255,255,.94);box-shadow:0 10px 32px rgba(28,73,121,.08);
 backdrop-filter:blur(14px)
}
.brand{display:flex;align-items:center;gap:10px;min-width:230px;color:var(--ink);font-size:16px;font-weight:800;letter-spacing:-.3px}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--blue);position:relative;box-shadow:inset 0 0 0 5px rgba(255,255,255,.15)}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:#fff;border-radius:5px}
.brand-mark:before{width:4px;height:16px;left:10px;top:9px}.brand-mark:after{width:4px;height:10px;left:19px;top:12px;opacity:.65}
.nav-links{display:flex;align-items:center;gap:7px;flex:1;justify-content:center}
.nav-link{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid transparent;border-radius:11px;color:var(--muted);font-size:14px;font-weight:700;transition:.22s ease}
.nav-link svg{width:16px;height:16px}.nav-link:hover{transform:translateY(-2px);background:#fff;border-color:var(--line);box-shadow:0 8px 16px rgba(30,95,168,.09);color:var(--blue)}
.nav-link.active{background:var(--mist);border-color:#c8ddf5;color:var(--blue)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:12px;padding:12px 17px;font-size:14px;font-weight:800;transition:.22s ease}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 20px rgba(30,95,168,.20)}
.btn-primary:hover{background:var(--blue-deep);transform:translateY(-2px);box-shadow:0 14px 25px rgba(30,95,168,.26)}
.btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}.btn-secondary:hover{border-color:#b9d4ee;color:var(--blue);transform:translateY(-2px)}
.nav-cta{white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:11px;padding:8px 10px;color:var(--blue)}
.hero{padding:54px 0 46px}.hero-shell{position:relative;overflow:hidden;background:var(--paper);border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow)}
.hero-shell:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-145px;top:-300px;background:radial-gradient(circle,rgba(220,235,250,.96),rgba(220,235,250,0) 70%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;min-height:474px}
.hero-copy{padding:clamp(32px,5vw,68px);display:flex;flex-direction:column;justify-content:center}
.kicker,.section-kicker{display:flex;align-items:center;gap:10px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.13em}
.kicker:before,.section-kicker:before{content:"";width:28px;height:1px;background:var(--amber)}
h1,h2,h3,p{margin-top:0}h1{color:var(--ink);font-size:clamp(38px,5.1vw,64px);line-height:1.15;letter-spacing:-.055em;font-weight:800;margin:15px 0 20px}
.hero-copy p{max-width:650px;font-size:16px;color:var(--text);margin-bottom:28px}
.action-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{margin:24px 24px 24px 0;border-radius:23px;overflow:hidden;min-height:382px;position:relative;background:linear-gradient(145deg,#123e6d,#286cab 58%,#9cc5e9)}
.hero-art:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(255,255,255,.12) 0 1px,transparent 1px 46px),linear-gradient(135deg,transparent 12%,rgba(255,255,255,.16) 12.3%,transparent 12.6%);opacity:.75}
.hero-art:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.4);border-radius:50%;right:-58px;bottom:-80px}
.art-top,.art-bottom{position:absolute;left:25px;right:25px;z-index:2;color:#fff}.art-top{top:25px;display:flex;justify-content:space-between;font-size:12px;font-weight:800;letter-spacing:.12em}.art-bottom{bottom:25px}
.art-number{font-size:78px;font-weight:800;line-height:1;letter-spacing:-.09em;color:rgba(255,255,255,.94)}
.art-line{height:5px;border-radius:8px;background:rgba(255,255,255,.25);margin:14px 0 10px;overflow:hidden}.art-line span{display:block;width:68%;height:100%;background:#dfeffd}.art-bottom small{color:#e4f2ff}
.section{padding:82px 0}.section-head{display:grid;grid-template-columns:185px minmax(0,1fr);gap:35px;align-items:start;margin-bottom:31px}
.section-title h2{font-size:clamp(29px,3.7vw,43px);line-height:1.28;letter-spacing:-.045em;color:var(--ink);font-weight:800;margin:12px 0 0}
.section-desc{padding-top:8px;max-width:700px;color:var(--muted);font-size:16px}
.step-panel,.card,.check-card,.faq-box,.cta-box{background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius)}
.step-panel{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;margin-bottom:25px}
.step{padding:25px 24px;position:relative;border-right:1px solid var(--line)}.step:last-child{border-right:0}
.step-no{display:block;color:var(--amber);font-size:12px;font-weight:800;letter-spacing:.12em;margin-bottom:12px}.step h3{font-size:17px;color:var(--ink);margin-bottom:7px}.step p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
.step:not(:last-child):after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);z-index:2;width:20px;height:20px;border-radius:50%;background:var(--blue);color:#fff;text-align:center;line-height:20px;font-size:12px}
.safety-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.card{padding:29px;transition:.23s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#bfd7ee}
.card-blue{background:linear-gradient(145deg,#eaf3fb,#fff)}.card h3{font-size:21px;line-height:1.4;color:var(--ink);margin:13px 0 10px}.card p{font-size:15px;color:var(--muted);margin-bottom:18px}
.icon-box{width:43px;height:43px;border-radius:13px;background:var(--mist);display:grid;place-items:center;color:var(--blue)}.icon-box svg{width:22px;height:22px}
.tag{display:inline-flex;align-items:center;padding:5px 9px;border-radius:8px;background:var(--aqua);color:#42637a;font-size:12px;font-weight:700}
.mini-cards{display:grid;gap:24px}.checklist{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:11px}.checklist li{position:relative;padding-left:25px;font-size:14px;color:var(--text)}.checklist li:before{content:"";position:absolute;left:0;top:9px;width:10px;height:6px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.value-zone{padding:88px 0;background:linear-gradient(180deg,transparent 0,#edf4fa 23%,#edf4fa 78%,transparent 100%)}
.value-grid{display:grid;grid-template-columns:285px 1fr;gap:26px;align-items:stretch}.index-card{padding:31px;background:#173f6a;color:#fff;border-radius:var(--radius);box-shadow:var(--shadow);position:relative;overflow:hidden}.index-card:after{content:"";position:absolute;width:200px;height:200px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:-75px;bottom:-85px}
.index-card .section-kicker{color:#c8e4ff}.index-card h2{font-size:31px;line-height:1.3;margin:17px 0;color:#fff}.index-card p{color:#d4e7f8;font-size:14px}
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.metric{padding:25px;background:#fff;border:1px solid var(--line);border-radius:18px}.metric b{display:block;font-size:36px;line-height:1;color:var(--blue);letter-spacing:-.06em}.metric span{display:block;margin-top:11px;color:var(--ink);font-weight:800;font-size:15px}.metric p{margin:6px 0 0;font-size:13px;line-height:1.65;color:var(--muted)}
.notice-band{margin-top:24px;padding:25px 28px;background:#fff;border:1px solid var(--line);border-radius:18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.notice-band strong{color:var(--ink);font-size:17px}.notice-band p{margin:4px 0 0;color:var(--muted);font-size:14px}
.quote-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:25px;align-items:stretch}.quote-intro{padding:31px}.quote-intro h2{font-size:34px;line-height:1.3;color:var(--ink);margin:14px 0}.quote-intro p{color:var(--muted);font-size:15px}.quote-box{padding:34px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.quote-mark{color:var(--amber);font-size:46px;line-height:.7;font-weight:800}.quote-box blockquote{margin:17px 0;color:var(--ink);font-size:20px;line-height:1.75;font-weight:700}.quote-box cite{font-style:normal;color:var(--muted);font-size:14px}
.faq-area{padding-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:16px}.faq-box{padding:0;overflow:hidden;box-shadow:none}.faq-box details{padding:20px 22px}.faq-box summary{list-style:none;color:var(--ink);font-weight:800;font-size:16px;cursor:pointer;display:flex;justify-content:space-between;gap:15px}.faq-box summary::-webkit-details-marker{display:none}.faq-box summary:after{content:"+";color:var(--blue);font-size:22px;line-height:1}.faq-box details[open] summary:after{content:"−"}.faq-box p{margin:13px 0 0;color:var(--muted);font-size:14px;line-height:1.8}
.cta-section{padding:82px 0}.cta-box{background:linear-gradient(135deg,#174d88,#286cab);border:0;padding:clamp(32px,5vw,59px);position:relative;overflow:hidden;color:#fff}.cta-box:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.16);border-radius:50%;right:-110px;top:-205px}.cta-box>*{position:relative;z-index:1}.cta-box .section-kicker{color:#cbe7ff}.cta-box h2{font-size:clamp(30px,4vw,46px);line-height:1.25;letter-spacing:-.045em;margin:15px 0;color:#fff}.cta-box p{max-width:710px;color:#d8eafb;margin-bottom:25px}.cta-box .btn-secondary{border-color:rgba(255,255,255,.55);background:#fff;color:var(--blue)}
footer{background:#edf3f9;border-top:1px solid var(--line);padding:54px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:45px;padding-bottom:34px}.footer-brand{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:9px}.footer-top p{max-width:600px;margin:0;color:var(--muted);font-size:14px}.footer-links{display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap}.footer-links a{font-size:14px;font-weight:700;color:var(--muted);transition:.2s}.footer-links a:hover{color:var(--blue)}.copyright{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;gap:15px;color:#7890a5;font-size:13px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(30,95,168,.34);outline-offset:3px}
@media(max-width:1024px){.brand{min-width:auto}.nav-panel{gap:10px}.nav-link{padding:9px}.nav-cta{padding:11px 13px}.hero-grid{grid-template-columns:1fr}.hero-art{margin:0 28px 28px;min-height:290px}.section-head{grid-template-columns:150px 1fr}.safety-grid,.quote-wrap{grid-template-columns:1fr}.value-grid{grid-template-columns:1fr}.index-card{min-height:220px}}
@media(max-width:768px){.container{width:min(100% - 28px,1240px)}.site-header{padding-top:14px}.nav-panel{flex-wrap:wrap;padding:11px 12px}.brand{flex:1;font-size:14px}.menu-toggle{display:block}.nav-links{display:none;order:3;width:100%;grid-template-columns:1fr 1fr;gap:8px;justify-content:stretch}.nav-links.open{display:grid}.nav-link{justify-content:center;background:#f8fbff;border-color:#e4edf5}.nav-cta{margin-left:auto;font-size:13px}.hero{padding:28px 0 30px}.hero-copy{padding:33px 25px}.hero-art{margin:0 18px 18px;min-height:258px}.step-panel{grid-template-columns:1fr 1fr}.step{border-bottom:1px solid var(--line)}.step:nth-child(2){border-right:0}.step:nth-child(3),.step:nth-child(4){border-bottom:0}.step:after{display:none}.section{padding:58px 0}.section-head{grid-template-columns:1fr;gap:12px;margin-bottom:24px}.section-desc{padding:0}.matrix{grid-template-columns:1fr 1fr}.faq-area{grid-template-columns:1fr}.footer-top{display:block}.footer-links{margin-top:25px}}
@media(max-width:520px){h1{font-size:37px}.nav-cta{width:100%;margin:2px 0 0}.hero-shell{border-radius:23px}.hero-art{min-height:230px}.art-number{font-size:59px}.step-panel,.matrix{grid-template-columns:1fr}.step{border-right:0!important;border-bottom:1px solid var(--line)!important}.step:last-child{border-bottom:0!important}.safety-grid{gap:16px}.card{padding:23px}.notice-band{display:block;padding:21px}.notice-band .btn{margin-top:16px;width:100%}.quote-box{padding:25px}.quote-box blockquote{font-size:18px}.cta-section{padding:58px 0}.footer-top p{font-size:13px}.copyright{display:block}.copyright span{display:block;margin:4px 0}}