/* roulang page: index */
:root{
      --bg:#101012;
      --bg-2:#151518;
      --panel:#1b1b20;
      --panel-2:#22222a;
      --text:#f7f2ea;
      --muted:#b9b1a6;
      --muted-2:#8f8790;
      --line:rgba(255,255,255,.1);
      --line-strong:rgba(0,255,190,.36);
      --primary:#00f0b5;
      --primary-2:#71ffd8;
      --hot:#ff3f87;
      --orange:#ff9c38;
      --purple:#9d5cff;
      --danger:#ff5d6c;
      --radius:8px;
      --radius-lg:14px;
      --shadow:0 18px 50px rgba(0,0,0,.34);
      --glow:0 0 0 1px rgba(0,240,181,.22),0 18px 48px rgba(0,240,181,.09);
      --container:1200px;
      --nav-h:64px;
      --bottom-h:66px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      padding-bottom:var(--bottom-h);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 18% 0%,rgba(0,240,181,.14),transparent 30%),
        radial-gradient(circle at 86% 12%,rgba(255,63,135,.12),transparent 28%),
        linear-gradient(135deg,#0c0c0f 0%,#151316 48%,#0c0d0e 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.28;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
      background-size:34px 34px;
      mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),rgba(0,0,0,.15));
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    .site-container{width:min(100% - 32px,var(--container));margin-inline:auto}
    .section{padding:78px 0;position:relative}
    .section.compact{padding:54px 0}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:6px 10px;border:1px solid rgba(0,240,181,.28);
      border-radius:999px;color:var(--primary-2);background:rgba(0,240,181,.07);
      font-size:13px;font-weight:700;
    }
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 14px var(--primary)}
    .section-title{font-size:clamp(26px,3.2vw,42px);font-weight:800;line-height:1.2;margin:14px 0 12px}
    .section-desc{max-width:760px;color:var(--muted);font-size:16px;margin:0}
    .btn{
      border-radius:var(--radius)!important;
      min-height:46px;
      padding:11px 18px;
      font-weight:800;
      letter-spacing:0;
      border:1px solid transparent;
      transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
    }
    .btn-primary-custom{
      background:linear-gradient(135deg,var(--primary),#20ffc9);
      color:#08110f!important;
      box-shadow:0 12px 26px rgba(0,240,181,.22);
      border-color:rgba(255,255,255,.1);
    }
    .btn-primary-custom:hover,.btn-primary-custom:focus{
      transform:translateY(-1px);
      background:linear-gradient(135deg,#48ffd2,#00f0b5);
      box-shadow:0 16px 34px rgba(0,240,181,.3);
    }
    .btn-secondary-custom{
      color:var(--text)!important;
      background:rgba(255,255,255,.06);
      border-color:rgba(255,255,255,.16);
    }
    .btn-secondary-custom:hover,.btn-secondary-custom:focus{
      transform:translateY(-1px);
      border-color:rgba(0,240,181,.58);
      color:var(--primary-2)!important;
      background:rgba(0,240,181,.08);
    }
    .btn-hot{
      color:#fff!important;
      background:linear-gradient(135deg,var(--hot),#ff7a46);
      box-shadow:0 12px 28px rgba(255,63,135,.24);
    }
    .btn-hot:hover{transform:translateY(-1px);filter:brightness(1.07)}
    .form-control,.form-select{
      background:#121215!important;
      color:var(--text)!important;
      border:1px solid rgba(255,255,255,.12)!important;
      border-radius:var(--radius)!important;
      min-height:46px;
      box-shadow:none!important;
    }
    .form-control::placeholder{color:#77727a}
    .form-control:focus,.form-select:focus{
      border-color:rgba(0,240,181,.78)!important;
      box-shadow:0 0 0 3px rgba(0,240,181,.12)!important;
    }
    .site-header{
      position:sticky;top:0;z-index:1000;
      background:rgba(16,16,18,.88);
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .navbar{min-height:var(--nav-h);padding:8px 0}
    .navbar-brand{
      display:flex;align-items:center;gap:10px;
      font-size:18px;font-weight:900;color:var(--text)!important;
      max-width:340px;white-space:normal;line-height:1.25;
    }
    .logo-mark{
      width:34px;height:34px;border-radius:8px;
      background:linear-gradient(135deg,var(--primary),var(--hot));
      display:inline-grid;place-items:center;color:#111;font-weight:900;
      box-shadow:0 0 0 1px rgba(255,255,255,.14),0 12px 24px rgba(0,0,0,.3);
      flex:0 0 auto;
    }
    .navbar-nav{gap:4px}
    .nav-link{
      color:var(--muted)!important;
      font-weight:700;
      padding:8px 12px!important;
      border-radius:8px;
      font-size:14px;
    }
    .nav-link:hover,.nav-link.active{
      color:var(--text)!important;
      background:rgba(255,255,255,.07);
    }
    .nav-link.active{box-shadow:inset 0 -2px 0 var(--primary)}
    .nav-search{
      width:250px;position:relative;margin-right:10px;
    }
    .nav-search input{padding-left:36px;height:42px;min-height:42px}
    .nav-search span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--primary)}
    .navbar-toggler{
      border:1px solid rgba(255,255,255,.15)!important;
      border-radius:8px;padding:8px 10px;
      box-shadow:none!important;
    }
    .navbar-toggler-icon{filter:invert(1) grayscale(1)}
    .hero{
      padding:34px 0 28px;
      min-height:calc(100vh - var(--nav-h) - 120px);
      display:flex;align-items:center;
    }
    .coupon-stage{
      display:grid;
      grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);
      gap:28px;align-items:stretch;
    }
    .hero-copy{
      padding:36px 0;
      display:flex;flex-direction:column;justify-content:center;
    }
    .hero h1{
      font-size:clamp(34px,5vw,64px);
      line-height:1.08;
      font-weight:900;
      margin:16px 0 18px;
      letter-spacing:0;
    }
    .hero h1 .highlight{
      color:var(--primary-2);
      text-shadow:0 0 24px rgba(0,240,181,.22);
    }
    .hero-intro{
      color:var(--muted);
      font-size:17px;
      max-width:680px;
      margin-bottom:22px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:4px 0 20px}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
    .data-pill{
      display:inline-flex;align-items:center;gap:8px;
      min-height:34px;padding:7px 10px;border-radius:999px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      color:var(--muted);
      font-size:13px;font-weight:700;
    }
    .data-pill b{color:var(--primary-2)}
    .coupon-wall{
      position:relative;
      background:
        linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.035)),
        linear-gradient(145deg,rgba(0,240,181,.1),rgba(255,63,135,.08));
      border:1px solid rgba(255,255,255,.12);
      border-radius:var(--radius-lg);
      padding:18px;
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .coupon-wall:before{
      content:"";
      position:absolute;inset:-1px;
      background:linear-gradient(115deg,transparent 8%,rgba(0,240,181,.16) 36%,transparent 55%,rgba(255,63,135,.14) 78%,transparent);
      pointer-events:none;
    }
    .coupon-top{position:relative;display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}
    .coupon-top strong{font-size:16px}
    .status-badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:6px 10px;border-radius:999px;background:rgba(0,0,0,.26);
      color:var(--primary-2);border:1px solid rgba(0,240,181,.28);
      font-size:12px;font-weight:800;white-space:nowrap;
    }
    .status-badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary)}
    .main-coupon{
      position:relative;
      border:1px dashed rgba(255,255,255,.24);
      border-radius:12px;
      padding:22px;
      background:
        radial-gradient(circle at 0 50%,rgba(16,16,18,1) 0 12px,transparent 13px),
        radial-gradient(circle at 100% 50%,rgba(16,16,18,1) 0 12px,transparent 13px),
        linear-gradient(135deg,rgba(0,240,181,.22),rgba(255,63,135,.14) 58%,rgba(255,156,56,.13));
      box-shadow:var(--glow);
      overflow:hidden;
    }
    .main-coupon:after{
      content:"";
      position:absolute;right:-30px;top:-40px;width:150px;height:150px;border-radius:50%;
      border:24px solid rgba(255,255,255,.07);
    }
    .coupon-label{color:#0f1714;background:var(--primary);display:inline-flex;padding:4px 9px;border-radius:6px;font-size:12px;font-weight:900}
    .coupon-title{font-size:30px;font-weight:900;line-height:1.15;margin:16px 0 8px}
    .coupon-text{color:#e8e0d8;margin:0 0 18px;max-width:360px}
    .coupon-grid{
      position:relative;
      display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px;
    }
    .mini-coupon{
      min-height:96px;padding:14px;border-radius:10px;
      background:rgba(15,15,18,.78);
      border:1px solid rgba(255,255,255,.1);
    }
    .mini-coupon:hover{border-color:rgba(0,240,181,.48);background:rgba(0,240,181,.07);transform:translateY(-1px)}
    .mini-coupon .tag{color:var(--orange);font-size:12px;font-weight:900}
    .mini-coupon h3{font-size:15px;font-weight:900;margin:6px 0 4px}
    .mini-coupon p{font-size:13px;color:var(--muted);margin:0;line-height:1.55}
    .trust-strip{
      border-top:1px solid rgba(255,255,255,.08);
      border-bottom:1px solid rgba(255,255,255,.08);
      background:rgba(0,0,0,.18);
      padding:12px 0;
    }
    .trust-row{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .trust-item{
      display:flex;align-items:center;gap:9px;color:var(--muted);
      font-size:13px;font-weight:700;
      padding:8px 10px;border-radius:8px;background:rgba(255,255,255,.035);
      white-space:nowrap;
    }
    .trust-icon{width:22px;height:22px;border-radius:6px;background:rgba(0,240,181,.12);color:var(--primary);display:grid;place-items:center;font-size:13px}
    .calendar-wrap{
      display:grid;grid-template-columns:.85fr 1.15fr;gap:20px;align-items:stretch;margin-top:28px;
    }
    .calendar-panel,.topic-card,.metric-card,.guide-card,.news-panel,.rank-panel,.faq-panel,.cta-panel{
      background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.035));
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--radius-lg);
      box-shadow:0 12px 34px rgba(0,0,0,.2);
    }
    .calendar-panel{padding:22px}
    .date-block{
      display:grid;grid-template-columns:78px 1fr;gap:16px;
      padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);
    }
    .date-block:last-child{border-bottom:0}
    .date-num{
      height:62px;border-radius:10px;background:#101014;border:1px solid rgba(0,240,181,.25);
      display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--primary-2);
      font-weight:900;line-height:1.1;
    }
    .date-num span{font-size:12px;color:var(--muted);font-weight:700}
    .date-block h3{font-size:17px;font-weight:900;margin:0 0 4px}
    .date-block p{font-size:14px;color:var(--muted);margin:0}
    .entry-matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .entry-card{
      min-height:138px;padding:18px;border-radius:12px;background:var(--panel);
      border:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden;
    }
    .entry-card:after{content:"";position:absolute;right:-18px;bottom:-18px;width:80px;height:80px;border-radius:50%;background:rgba(0,240,181,.07)}
    .entry-card:hover{border-color:rgba(0,240,181,.5);transform:translateY(-2px);box-shadow:var(--glow)}
    .entry-card .label{font-size:12px;color:var(--primary-2);font-weight:900}
    .entry-card h3{font-size:18px;font-weight:900;margin:8px 0 8px}
    .entry-card p{font-size:14px;color:var(--muted);margin:0}
    .topics-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;margin-top:28px}
    .topic-feature{padding:24px;border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(255,63,135,.18),rgba(0,240,181,.08));border:1px solid rgba(255,255,255,.11);min-height:320px;display:flex;flex-direction:column;justify-content:space-between}
    .topic-feature h3{font-size:30px;font-weight:900;line-height:1.2;margin:14px 0 10px}
    .topic-feature p{color:var(--muted);max-width:620px;margin:0}
    .topic-stack{display:grid;gap:14px}
    .topic-card{padding:18px}
    .topic-card:hover{border-color:rgba(255,63,135,.45);transform:translateY(-1px)}
    .topic-card h3{font-size:18px;font-weight:900;margin:6px 0}
    .topic-card p{font-size:14px;color:var(--muted);margin:0}
    .badge-soft{display:inline-flex;padding:4px 9px;border-radius:999px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.11);font-size:12px;color:var(--primary-2);font-weight:800}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
    .metric-card{padding:20px;min-height:160px}
    .metric-card strong{display:block;font-size:34px;line-height:1;font-weight:900;color:var(--primary-2);margin:8px 0}
    .metric-card span{font-weight:900}
    .metric-card p{margin:8px 0 0;color:var(--muted);font-size:14px}
    .news-layout{display:grid;grid-template-columns:1fr 360px;gap:20px;margin-top:28px}
    .news-panel{padding:10px}
    .news-list{list-style:none;margin:0;padding:0}
    .news-list li{border-bottom:1px solid rgba(255,255,255,.08)}
    .news-list li:last-child{border-bottom:0}
    .news-list a{
      display:grid;grid-template-columns:110px 1fr auto;gap:14px;align-items:center;
      padding:15px 14px;border-radius:10px;
    }
    .news-list a:hover{background:rgba(0,240,181,.06)}
    .news-date{color:var(--muted-2);font-size:13px;font-weight:800}
    .news-title{font-weight:900;color:var(--text)}
    .news-summary{font-size:13px;color:var(--muted);margin-top:2px}
    .news-arrow{color:var(--primary);font-weight:900}
    .rank-panel{padding:18px}
    .rank-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}
    .rank-list li{display:grid;grid-template-columns:34px 1fr 58px;gap:10px;align-items:center;padding:10px;border-radius:10px;background:rgba(255,255,255,.045)}
    .rank-no{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:rgba(0,240,181,.13);color:var(--primary);font-weight:900}
    .rank-name{font-weight:800;font-size:14px}
    .rank-trend{font-size:12px;color:var(--orange);font-weight:900;text-align:right}
    .guide-timeline{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px}
    .guide-timeline:before{content:"";position:absolute;left:10%;right:10%;top:34px;height:2px;background:linear-gradient(90deg,var(--primary),rgba(255,63,135,.75));opacity:.55}
    .guide-card{position:relative;padding:22px;z-index:1}
    .step-no{width:46px;height:46px;border-radius:12px;background:#111;border:1px solid rgba(0,240,181,.42);display:grid;place-items:center;color:var(--primary-2);font-weight:900;box-shadow:0 0 18px rgba(0,240,181,.14);margin-bottom:18px}
    .guide-card h3{font-size:19px;font-weight:900;margin:0 0 8px}
    .guide-card p{font-size:14px;color:var(--muted);margin:0}
    .guarantee-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}
    .guarantee-item{
      display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:12px;
      background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
    }
    .guarantee-item:hover{border-color:rgba(0,240,181,.38);background:rgba(0,240,181,.06)}
    .guarantee-item .ico{width:36px;height:36px;border-radius:10px;background:rgba(255,156,56,.13);color:var(--orange);display:grid;place-items:center;font-weight:900;flex:0 0 auto}
    .guarantee-item h3{font-size:15px;font-weight:900;margin:0 0 3px}
    .guarantee-item p{font-size:13px;color:var(--muted);margin:0;line-height:1.55}
    .faq-panel{padding:8px;margin-top:28px}
    .accordion-item{background:transparent!important;border:0!important;border-bottom:1px solid rgba(255,255,255,.08)!important}
    .accordion-item:last-child{border-bottom:0!important}
    .accordion-button{
      background:transparent!important;color:var(--text)!important;box-shadow:none!important;
      padding:18px 18px;font-weight:900;border-radius:10px!important;
    }
    .accordion-button:not(.collapsed){color:var(--primary-2)!important}
    .accordion-button:after{filter:invert(1);opacity:.8}
    .accordion-body{color:var(--muted);padding:0 18px 20px;font-size:15px}
    .cta-panel{
      position:relative;overflow:hidden;padding:28px;
      background:linear-gradient(135deg,rgba(0,240,181,.18),rgba(255,63,135,.16) 58%,rgba(255,156,56,.08));
      display:grid;grid-template-columns:1fr 420px;gap:22px;align-items:center;
    }
    .cta-panel:before{content:"";position:absolute;right:-80px;top:-90px;width:260px;height:260px;border-radius:50%;border:42px solid rgba(255,255,255,.055)}
    .cta-panel h2{font-size:clamp(26px,3vw,40px);font-weight:900;line-height:1.18;margin:10px 0}
    .cta-panel p{color:var(--muted);margin:0;max-width:650px}
    .cta-form{position:relative;background:rgba(9,9,11,.58);border:1px solid rgba(255,255,255,.11);border-radius:12px;padding:16px}
    .footer{
      padding:42px 0 32px;background:#0a0a0b;border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:24px}
    .footer-brand{font-size:18px;font-weight:900;margin-bottom:10px}
    .footer p,.footer a{color:var(--muted);font-size:14px}
    .footer a:hover{color:var(--primary-2)}
    .footer-links{display:grid;gap:8px}
    .copyright{margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);color:var(--muted-2);font-size:13px}
    .fixed-cta{
      position:fixed;left:0;right:0;bottom:0;z-index:999;
      background:rgba(11,11,13,.94);backdrop-filter:blur(16px);
      border-top:1px solid rgba(255,255,255,.1);
      min-height:var(--bottom-h);
      display:flex;align-items:center;
    }
    .fixed-inner{width:min(100% - 28px,var(--container));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:14px}
    .fixed-text{display:flex;align-items:center;gap:10px;color:var(--muted);font-weight:800;font-size:14px}
    .fixed-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 18px var(--primary)}
    .fixed-actions{display:flex;gap:10px;align-items:center}
    @media (max-width:1199px){
      .nav-search{display:none}
      .coupon-stage{grid-template-columns:1fr;gap:18px}
      .hero{min-height:auto;padding-top:26px}
      .hero-copy{padding:18px 0}
      .calendar-wrap,.topics-layout,.news-layout,.cta-panel{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .guarantee-bar{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .navbar-collapse{padding:14px 0}
      .navbar-nav{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px}
      .navbar .btn{width:100%;margin-top:10px}
      .trust-row{display:flex;overflow-x:auto;padding-bottom:2px}
      .trust-item{flex:0 0 auto}
      .guide-timeline{grid-template-columns:1fr}
      .guide-timeline:before{left:22px;right:auto;top:30px;bottom:30px;width:2px;height:auto}
      .guide-card{padding-left:72px}
      .step-no{position:absolute;left:16px;top:20px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      body{padding-bottom:72px}
      .site-container{width:min(100% - 24px,var(--container))}
      .section{padding:52px 0}
      .section.compact{padding:42px 0}
      .navbar-brand{font-size:15px;max-width:245px}
      .logo-mark{width:30px;height:30px}
      .hero h1{font-size:34px}
      .hero-intro{font-size:15px}
      .hero-actions .btn{width:100%}
      .coupon-wall{padding:13px;border-radius:12px}
      .main-coupon{padding:18px}
      .coupon-title{font-size:24px}
      .coupon-grid,.entry-matrix,.metric-grid,.guarantee-bar{grid-template-columns:1fr}
      .date-block{grid-template-columns:62px 1fr;gap:12px}
      .date-num{width:62px;height:56px}
      .topic-feature{min-height:auto}
      .topic-feature h3{font-size:24px}
      .news-list a{grid-template-columns:1fr;gap:4px}
      .news-arrow{display:none}
      .rank-list li{grid-template-columns:30px 1fr 50px}
      .cta-panel{padding:20px}
      .fixed-inner{gap:10px}
      .fixed-text{display:none}
      .fixed-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
      .fixed-actions .btn{padding-inline:10px;font-size:14px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .section-title{font-size:26px}
      .hero-points{display:grid;grid-template-columns:1fr}
      .data-pill{justify-content:center}
      .mini-coupon{min-height:auto}
      .metric-card strong{font-size:30px}
    }

/* roulang page: category2 */
:root {
      --bg: #0b0c10;
      --bg-2: #111217;
      --panel: #17181f;
      --panel-2: #1d1f28;
      --text: #f5f1e8;
      --muted: #b7b1a6;
      --soft: #817b73;
      --line: rgba(245, 241, 232, .12);
      --line-strong: rgba(35, 236, 178, .45);
      --primary: #23ecb2;
      --primary-2: #0fc994;
      --accent: #ff4f9a;
      --accent-2: #ff8a35;
      --danger: #ff645f;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 20px 60px rgba(0, 0, 0, .38);
      --glow: 0 0 0 1px rgba(35, 236, 178, .18), 0 18px 42px rgba(35, 236, 178, .08);
      --container: 1200px;
      --nav-h: 62px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      min-height: 100vh;
      padding-bottom: 76px;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.72;
      background:
        radial-gradient(circle at 78% 10%, rgba(255, 79, 154, .16), transparent 32%),
        radial-gradient(circle at 16% 20%, rgba(35, 236, 178, .13), transparent 26%),
        linear-gradient(135deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 14px),
        var(--bg);
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), border-color var(--ease), background var(--ease), transform var(--ease), opacity var(--ease);
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    .site-container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      min-height: var(--nav-h);
      background: rgba(11, 12, 16, .9);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }

    .navbar {
      min-height: var(--nav-h);
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
      color: var(--text);
      font-size: 17px;
      font-weight: 800;
      letter-spacing: 0;
      white-space: normal;
    }

    .navbar-brand:hover {
      color: var(--primary);
    }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      flex: 0 0 38px;
      border-radius: var(--radius-sm);
      color: #07120f;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      box-shadow: 0 0 24px rgba(35, 236, 178, .28);
    }

    .navbar-nav {
      gap: 4px;
    }

    .nav-link {
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      padding: 8px 12px !important;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-size: 14px;
      font-weight: 650;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      background: rgba(255, 255, 255, .06);
    }

    .nav-link.active {
      color: #07120f !important;
      background: var(--primary);
    }

    .navbar-toggler {
      width: 42px;
      height: 42px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .05);
    }

    .navbar-toggler:focus {
      box-shadow: 0 0 0 3px rgba(35, 236, 178, .22);
    }

    .navbar-toggler-icon {
      filter: invert(1);
      opacity: .9;
    }

    .nav-search {
      position: relative;
      width: 230px;
      margin-right: 12px;
    }

    .nav-search span {
      position: absolute;
      left: 13px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary);
      font-size: 16px;
      z-index: 2;
    }

    .nav-search .form-control {
      height: 40px;
      padding-left: 36px;
      color: var(--text);
      background: rgba(255, 255, 255, .055);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      font-size: 14px;
    }

    .form-control::placeholder {
      color: rgba(245, 241, 232, .52);
    }

    .form-control:focus,
    .form-select:focus,
    textarea:focus {
      color: var(--text);
      background: rgba(255, 255, 255, .08);
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(35, 236, 178, .18);
    }

    .btn {
      min-height: 44px;
      padding: 10px 18px;
      border-radius: var(--radius);
      font-weight: 800;
      letter-spacing: 0;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
    }

    .btn-primary-custom {
      color: #06120e;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      border: 0;
      box-shadow: 0 12px 28px rgba(35, 236, 178, .22);
    }

    .btn-primary-custom:hover,
    .btn-primary-custom:focus {
      color: #06120e;
      transform: translateY(-1px);
      box-shadow: 0 16px 34px rgba(35, 236, 178, .32);
      filter: brightness(1.06);
    }

    .btn-outline-custom {
      color: var(--text);
      border: 1px solid rgba(245, 241, 232, .22);
      background: rgba(255, 255, 255, .045);
    }

    .btn-outline-custom:hover,
    .btn-outline-custom:focus {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(35, 236, 178, .08);
      transform: translateY(-1px);
    }

    .section {
      padding: 72px 0;
      position: relative;
    }

    .section-tight {
      padding: 48px 0;
    }

    .page-hero {
      padding: 52px 0 34px;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(35, 236, 178, .08), transparent 45%),
        linear-gradient(180deg, rgba(255, 255, 255, .035), transparent);
    }

    .hero-layout {
      display: grid;
      grid-template-columns: minmax(0, 1fr) 430px;
      gap: 34px;
      align-items: stretch;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 5px 10px;
      border: 1px solid rgba(35, 236, 178, .32);
      border-radius: 999px;
      color: var(--primary);
      background: rgba(35, 236, 178, .08);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 14px rgba(35, 236, 178, .8);
    }

    h1,
    h2,
    h3,
    h4 {
      margin: 0;
      color: var(--text);
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: 0;
    }

    h1 {
      max-width: 780px;
      margin-top: 18px;
      font-size: clamp(34px, 5vw, 58px);
    }

    .lead {
      max-width: 720px;
      margin: 18px 0 0;
      color: var(--muted);
      font-size: 18px;
      line-height: 1.82;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }

    .hero-actions .btn {
      min-width: 168px;
      min-height: 52px;
    }

    .vertical-panel {
      position: relative;
      min-height: 462px;
      padding: 18px;
      border: 1px solid rgba(245, 241, 232, .16);
      border-radius: 10px;
      background:
        linear-gradient(180deg, rgba(255, 255, 255, .075), rgba(255, 255, 255, .025)),
        var(--panel);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .vertical-panel::before {
      content: "";
      position: absolute;
      inset: 12px;
      border: 1px solid rgba(35, 236, 178, .16);
      border-radius: var(--radius);
      pointer-events: none;
    }

    .panel-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }

    .live-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 10px;
      border-radius: 999px;
      color: #06120e;
      background: var(--primary);
      font-size: 13px;
      font-weight: 900;
    }

    .panel-code {
      color: var(--soft);
      font-size: 13px;
      font-weight: 700;
    }

    .screen-stack {
      position: relative;
      z-index: 1;
      display: grid;
      gap: 12px;
      padding-top: 6px;
    }

    .screen-card {
      min-height: 86px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0, 0, 0, .23);
    }

    .screen-card.featured {
      min-height: 142px;
      border-color: rgba(255, 79, 154, .42);
      background:
        linear-gradient(135deg, rgba(255, 79, 154, .18), rgba(35, 236, 178, .08)),
        rgba(0, 0, 0, .27);
    }

    .screen-card strong {
      display: block;
      margin-bottom: 5px;
      color: var(--text);
      font-size: 16px;
    }

    .screen-card p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.65;
    }

    .meter {
      height: 8px;
      margin-top: 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, .09);
      overflow: hidden;
    }

    .meter span {
      display: block;
      width: 74%;
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      border-radius: inherit;
    }

    .trust-strip {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(255, 255, 255, .035);
    }

    .trust-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1px;
      overflow: hidden;
    }

    .trust-item {
      min-height: 74px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 16px;
      background: rgba(255, 255, 255, .025);
      color: var(--muted);
      font-weight: 700;
    }

    .trust-item span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      flex: 0 0 28px;
      border-radius: var(--radius-sm);
      color: #06120e;
      background: var(--primary);
      font-size: 14px;
      font-weight: 900;
    }

    .body-grid {
      display: grid;
      grid-template-columns: 282px minmax(0, 1fr);
      gap: 28px;
      align-items: start;
    }

    .side-index {
      position: sticky;
      top: 86px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(23, 24, 31, .82);
      box-shadow: var(--glow);
      overflow: hidden;
    }

    .side-index h2 {
      padding: 18px 18px 8px;
      font-size: 18px;
    }

    .index-links {
      display: grid;
      padding: 8px;
      gap: 6px;
    }

    .index-links a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 46px;
      padding: 10px 12px;
      border-radius: var(--radius-sm);
      color: var(--muted);
      font-weight: 750;
      border: 1px solid transparent;
    }

    .index-links a:hover,
    .index-links a.active {
      color: var(--text);
      border-color: rgba(35, 236, 178, .35);
      background: rgba(35, 236, 178, .08);
    }

    .index-links a::after {
      content: "›";
      color: var(--primary);
      font-size: 20px;
      line-height: 1;
    }

    .mini-cta {
      margin: 10px;
      padding: 14px;
      border-radius: var(--radius);
      background: linear-gradient(135deg, rgba(35, 236, 178, .16), rgba(255, 79, 154, .12));
      border: 1px solid rgba(35, 236, 178, .22);
    }

    .mini-cta p {
      margin: 0 0 12px;
      color: var(--muted);
      font-size: 14px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 24px;
    }

    .section-head .kicker {
      margin-bottom: 10px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 900;
    }

    .section-head h2 {
      font-size: clamp(25px, 3vw, 36px);
    }

    .section-head p {
      margin: 12px 0 0;
      color: var(--muted);
    }

    .tag-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin: 26px 0 0;
    }

    .tag-pill {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      padding: 8px 13px;
      border-radius: 999px;
      color: var(--muted);
      background: rgba(255, 255, 255, .045);
      border: 1px solid var(--line);
      font-size: 14px;
      font-weight: 750;
    }

    .tag-pill.active,
    .tag-pill:hover {
      color: #06120e;
      background: var(--primary);
      border-color: var(--primary);
    }

    .content-flow {
      display: grid;
      gap: 16px;
    }

    .flow-card {
      display: grid;
      grid-template-columns: 74px minmax(0, 1fr) auto;
      gap: 16px;
      align-items: center;
      min-height: 132px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        linear-gradient(90deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .02)),
        var(--panel);
      box-shadow: 0 14px 30px rgba(0, 0, 0, .2);
      transition: transform var(--ease), border-color var(--ease), background var(--ease), box-shadow var(--ease);
    }

    .flow-card:hover {
      transform: translateY(-2px);
      border-color: rgba(35, 236, 178, .42);
      background:
        linear-gradient(90deg, rgba(35, 236, 178, .08), rgba(255, 255, 255, .025)),
        var(--panel);
      box-shadow: var(--glow);
    }

    .flow-no {
      width: 58px;
      height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius);
      color: #06120e;
      background: linear-gradient(135deg, var(--primary), var(--accent-2));
      font-weight: 900;
      font-size: 18px;
    }

    .flow-card h3 {
      margin-bottom: 7px;
      font-size: 20px;
    }

    .flow-card p {
      margin: 0;
      color: var(--muted);
      line-height: 1.7;
    }

    .flow-card .btn {
      min-width: 128px;
      white-space: nowrap;
    }

    .compare-wrap {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      overflow: hidden;
    }

    .compare-row {
      display: grid;
      grid-template-columns: 1.05fr 1fr 1fr;
      border-bottom: 1px solid var(--line);
    }

    .compare-row:last-child {
      border-bottom: 0;
    }

    .compare-cell {
      min-height: 72px;
      padding: 16px;
      border-right: 1px solid var(--line);
      color: var(--muted);
      display: flex;
      align-items: center;
    }

    .compare-cell:last-child {
      border-right: 0;
    }

    .compare-row.head .compare-cell {
      min-height: 56px;
      color: var(--text);
      background: rgba(35, 236, 178, .08);
      font-weight: 900;
    }

    .compare-cell strong {
      color: var(--text);
    }

    .scenario-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 18px;
    }

    .notice-panel,
    .scenario-panel {
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(23, 24, 31, .76);
      padding: 22px;
    }

    .scenario-list {
      display: grid;
      gap: 12px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .scenario-list li {
      display: grid;
      grid-template-columns: 34px minmax(0, 1fr);
      gap: 12px;
      align-items: start;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, .035);
    }

    .scenario-list b {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 30px;
      height: 30px;
      border-radius: var(--radius-sm);
      color: #06120e;
      background: var(--primary);
      font-size: 13px;
    }

    .scenario-list strong {
      display: block;
      margin-bottom: 3px;
      color: var(--text);
    }

    .scenario-list span {
      color: var(--muted);
      font-size: 14px;
    }

    .notice-panel {
      background:
        linear-gradient(145deg, rgba(255, 79, 154, .13), rgba(255, 138, 53, .07)),
        var(--panel);
    }

    .notice-panel h3 {
      margin-bottom: 12px;
      font-size: 24px;
    }

    .notice-panel p {
      color: var(--muted);
      margin-bottom: 16px;
    }

    .check-list {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }

    .check-list li {
      display: flex;
      gap: 10px;
      color: var(--muted);
      align-items: flex-start;
    }

    .check-list li::before {
      content: "✓";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      flex: 0 0 22px;
      border-radius: 50%;
      color: #06120e;
      background: var(--primary);
      font-size: 13px;
      font-weight: 900;
      margin-top: 2px;
    }

    .accordion {
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      color: var(--text);
      border: 1px solid var(--line);
      border-radius: var(--radius) !important;
      background: var(--panel);
      overflow: hidden;
    }

    .accordion-button {
      min-height: 58px;
      color: var(--text);
      background: rgba(255, 255, 255, .035);
      font-weight: 800;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(35, 236, 178, .075);
      box-shadow: inset 0 -1px 0 var(--line);
    }

    .accordion-button:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(35, 236, 178, .18);
    }

    .accordion-button::after {
      filter: invert(1);
      opacity: .72;
    }

    .accordion-body {
      color: var(--muted);
      padding: 18px 20px 22px;
      background: rgba(0, 0, 0, .12);
    }

    .open-panel {
      display: grid;
      grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
      gap: 24px;
      align-items: center;
      padding: 28px;
      border: 1px solid rgba(35, 236, 178, .28);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(35, 236, 178, .16), rgba(255, 79, 154, .13)),
        var(--panel);
      box-shadow: var(--shadow);
    }

    .open-panel h2 {
      font-size: clamp(27px, 3.6vw, 42px);
    }

    .open-panel p {
      margin: 14px 0 0;
      color: var(--muted);
    }

    .open-form {
      display: grid;
      gap: 12px;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(0, 0, 0, .22);
    }

    .open-form .form-control,
    .open-form .form-select {
      min-height: 46px;
      color: var(--text);
      background-color: rgba(255, 255, 255, .06);
      border-color: var(--line);
      border-radius: var(--radius-sm);
    }

    .open-form textarea {
      min-height: 92px;
      resize: vertical;
    }

    .footer {
      padding: 54px 0 28px;
      background: #08090c;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr .8fr;
      gap: 30px;
      margin-bottom: 30px;
    }

    .footer-brand {
      margin-bottom: 10px;
      color: var(--text);
      font-size: 20px;
      font-weight: 900;
    }

    .footer p {
      max-width: 520px;
      margin: 0;
      color: var(--muted);
    }

    .footer-links {
      display: grid;
      gap: 9px;
    }

    .footer-links a {
      color: var(--muted);
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .copyright {
      padding-top: 18px;
      border-top: 1px solid var(--line);
      color: var(--soft);
      font-size: 13px;
    }

    .fixed-cta {
      position: fixed;
      left: 50%;
      bottom: 14px;
      z-index: 1050;
      width: min(calc(100% - 28px), 760px);
      transform: translateX(-50%);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      min-height: 60px;
      padding: 9px 10px 9px 18px;
      border: 1px solid rgba(35, 236, 178, .32);
      border-radius: var(--radius);
      background: rgba(12, 13, 17, .94);
      box-shadow: 0 16px 48px rgba(0, 0, 0, .46);
      backdrop-filter: blur(12px);
    }

    .fixed-cta strong {
      color: var(--text);
      font-size: 15px;
      line-height: 1.35;
    }

    .fixed-cta span {
      color: var(--muted);
      font-size: 13px;
    }

    .fixed-cta .btn {
      min-height: 44px;
      white-space: nowrap;
    }

    @media (max-width: 1199.98px) {
      .hero-layout {
        grid-template-columns: minmax(0, 1fr) 370px;
      }

      .body-grid {
        grid-template-columns: 244px minmax(0, 1fr);
        gap: 22px;
      }

      .flow-card {
        grid-template-columns: 64px minmax(0, 1fr);
      }

      .flow-card .btn {
        grid-column: 2;
        justify-self: start;
      }
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        padding: 12px 0 16px;
      }

      .navbar-nav {
        align-items: stretch !important;
        margin: 8px 0 12px;
      }

      .nav-link {
        width: 100%;
      }

      .navbar .btn-primary-custom {
        width: 100%;
        margin-top: 4px;
      }

      .hero-layout,
      .body-grid,
      .scenario-grid,
      .open-panel {
        grid-template-columns: 1fr;
      }

      .vertical-panel {
        min-height: auto;
      }

      .side-index {
        position: static;
      }

      .index-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .trust-row {
        grid-template-columns: repeat(2, 1fr);
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 767.98px) {
      body {
        padding-bottom: 82px;
      }

      .site-container {
        width: min(100% - 24px, var(--container));
      }

      .page-hero {
        padding-top: 36px;
      }

      .section {
        padding: 54px 0;
      }

      .hero-actions {
        display: grid;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .trust-row {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
      }

      .trust-item {
        min-width: 238px;
        scroll-snap-align: start;
      }

      .index-links {
        display: flex;
        overflow-x: auto;
      }

      .index-links a {
        min-width: 150px;
      }

      .flow-card {
        grid-template-columns: 50px minmax(0, 1fr);
        align-items: start;
        padding: 15px;
      }

      .flow-no {
        width: 46px;
        height: 46px;
      }

      .compare-wrap {
        overflow-x: auto;
      }

      .compare-row {
        min-width: 680px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .fixed-cta {
        width: 100%;
        bottom: 0;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
        padding: 10px 12px;
      }

      .fixed-cta > div {
        display: none;
      }

      .fixed-cta .btn {
        width: 50%;
        padding-inline: 10px;
      }
    }

    @media (max-width: 520px) {
      h1 {
        font-size: 31px;
      }

      .lead {
        font-size: 16px;
      }

      .navbar-brand {
        max-width: calc(100vw - 92px);
        font-size: 15px;
      }

      .screen-card.featured {
        min-height: 120px;
      }

      .tag-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
      }

      .tag-pill {
        flex: 0 0 auto;
      }

      .open-panel {
        padding: 18px;
      }

      .fixed-cta {
        gap: 8px;
      }
    }

/* roulang page: category1 */
:root {
      --bg: #09090b;
      --bg-soft: #111115;
      --panel: #17171d;
      --panel-2: #202028;
      --text: #f7f3ee;
      --muted: #b7b0a8;
      --weak: #7e7880;
      --line: rgba(255,255,255,.12);
      --line-strong: rgba(48,255,186,.34);
      --primary: #30ffba;
      --primary-dark: #0fb985;
      --accent: #ff4f9a;
      --orange: #ff9c3a;
      --danger: #ff5d5d;
      --radius: 8px;
      --radius-sm: 6px;
      --shadow: 0 22px 70px rgba(0,0,0,.38);
      --glow: 0 0 0 1px rgba(48,255,186,.16), 0 18px 54px rgba(48,255,186,.08);
      --container: 1200px;
      --header-h: 62px;
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      min-width: 320px;
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", Arial, sans-serif;
      line-height: 1.7;
      background:
        radial-gradient(circle at 88% 14%, rgba(255,79,154,.16), transparent 34%),
        radial-gradient(circle at 18% 8%, rgba(48,255,186,.13), transparent 31%),
        linear-gradient(135deg, rgba(255,255,255,.025) 0 1px, transparent 1px 12px),
        var(--bg);
      padding-bottom: 78px;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease;
    }

    img { max-width: 100%; display: block; }

    button, input, textarea, select { font: inherit; }

    .site-container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1040;
      min-height: var(--header-h);
      background: rgba(9,9,11,.88);
      border-bottom: 1px solid var(--line);
      backdrop-filter: blur(14px);
    }

    .navbar {
      min-height: var(--header-h);
      padding: 0;
    }

    .navbar-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 800;
      font-size: 18px;
      white-space: normal;
      line-height: 1.25;
      max-width: 360px;
    }

    .navbar-brand:hover { color: var(--primary); }

    .logo-mark {
      width: 34px;
      height: 34px;
      flex: 0 0 34px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      color: #06100d;
      font-weight: 900;
      background: linear-gradient(135deg, var(--primary), var(--orange));
      box-shadow: 0 0 24px rgba(48,255,186,.22);
    }

    .navbar-nav {
      gap: 3px;
    }

    .nav-link {
      color: var(--muted);
      font-size: 14px;
      font-weight: 700;
      padding: 10px 12px !important;
      border-radius: var(--radius-sm);
      min-height: 40px;
      display: inline-flex;
      align-items: center;
    }

    .nav-link:hover,
    .nav-link:focus {
      color: var(--text);
      background: rgba(255,255,255,.06);
    }

    .nav-link.active {
      color: #06100d !important;
      background: var(--primary);
    }

    .navbar-toggler {
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      padding: 7px 9px;
      box-shadow: none !important;
      background: rgba(255,255,255,.04);
    }

    .navbar-toggler-icon {
      width: 1.25rem;
      height: 1.25rem;
      filter: invert(1);
    }

    .nav-search {
      position: relative;
      width: 230px;
      margin-right: 12px;
    }

    .nav-search span {
      position: absolute;
      left: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary);
      z-index: 2;
      font-weight: 800;
    }

    .form-control,
    .form-select,
    textarea.form-control {
      min-height: 44px;
      color: var(--text);
      background: rgba(255,255,255,.055);
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      box-shadow: none;
    }

    .nav-search .form-control {
      height: 40px;
      min-height: 40px;
      padding-left: 34px;
      font-size: 13px;
    }

    .form-control::placeholder,
    textarea.form-control::placeholder { color: var(--weak); }

    .form-control:focus,
    .form-select:focus,
    textarea.form-control:focus {
      color: var(--text);
      background: rgba(255,255,255,.075);
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(48,255,186,.14);
    }

    .btn {
      min-height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius);
      font-weight: 800;
      white-space: normal;
      line-height: 1.25;
      transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
    }

    .btn-primary-custom {
      color: #07110e !important;
      background: linear-gradient(135deg, var(--primary), #9cffdf);
      border: 1px solid rgba(48,255,186,.75);
      box-shadow: 0 10px 28px rgba(48,255,186,.2);
      padding: 10px 18px;
    }

    .btn-primary-custom:hover,
    .btn-primary-custom:focus {
      color: #020807 !important;
      background: linear-gradient(135deg, #7affd2, #ffffff);
      border-color: #baffeb;
      transform: translateY(-1px);
      box-shadow: 0 14px 34px rgba(48,255,186,.28);
    }

    .btn-outline-custom {
      color: var(--text);
      background: rgba(255,255,255,.035);
      border: 1px solid rgba(255,255,255,.18);
      padding: 10px 18px;
    }

    .btn-outline-custom:hover,
    .btn-outline-custom:focus {
      color: var(--primary);
      border-color: var(--primary);
      background: rgba(48,255,186,.08);
      transform: translateY(-1px);
    }

    main {
      overflow: hidden;
    }

    .section {
      padding: 72px 0;
      position: relative;
    }

    .section-tight { padding: 48px 0; }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 30px;
      padding: 4px 10px;
      color: var(--primary);
      border: 1px solid rgba(48,255,186,.28);
      background: rgba(48,255,186,.08);
      border-radius: 999px;
      font-size: 13px;
      font-weight: 800;
    }

    .page-hero {
      padding: 58px 0 34px;
      border-bottom: 1px solid var(--line);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr);
      gap: 34px;
      align-items: stretch;
    }

    .hero-copy {
      min-height: 430px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 28px 0;
    }

    h1 {
      margin: 18px 0 18px;
      font-size: clamp(34px, 5vw, 58px);
      line-height: 1.12;
      font-weight: 800;
      letter-spacing: 0;
    }

    .lead-text {
      max-width: 690px;
      color: #d8d2ca;
      font-size: 17px;
      margin: 0 0 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 26px;
    }

    .hero-actions .btn {
      min-height: 52px;
      padding-left: 22px;
      padding-right: 22px;
    }

    .quick-facts {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 10px;
      max-width: 700px;
    }

    .fact-chip {
      min-height: 72px;
      padding: 12px;
      border-radius: var(--radius);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }

    .fact-chip strong {
      display: block;
      color: var(--text);
      font-size: 14px;
      margin-bottom: 2px;
    }

    .fact-chip span {
      color: var(--muted);
      font-size: 12px;
    }

    .entry-console {
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(48,255,186,.12), transparent 38%),
        linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
        var(--panel);
      box-shadow: var(--shadow), var(--glow);
      overflow: hidden;
      min-height: 430px;
    }

    .console-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px 18px;
      border-bottom: 1px solid var(--line);
      background: rgba(0,0,0,.22);
    }

    .status-dot {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 800;
    }

    .status-dot::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 16px var(--primary);
    }

    .console-body {
      padding: 18px;
    }

    .access-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 16px;
    }

    .access-tile {
      min-height: 112px;
      padding: 14px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: rgba(255,255,255,.045);
      position: relative;
      overflow: hidden;
    }

    .access-tile::after {
      content: "";
      position: absolute;
      right: -24px;
      top: -24px;
      width: 70px;
      height: 70px;
      border: 1px solid rgba(48,255,186,.2);
      transform: rotate(22deg);
    }

    .access-tile b {
      display: block;
      font-size: 16px;
      margin-bottom: 6px;
    }

    .access-tile small {
      display: block;
      color: var(--muted);
      font-size: 12px;
    }

    .console-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 12px 0;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 13px;
    }

    .progress {
      height: 8px;
      border-radius: 999px;
      background: rgba(255,255,255,.08);
    }

    .progress-bar {
      background: linear-gradient(90deg, var(--primary), var(--accent));
    }

    .trust-strip {
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      background: rgba(255,255,255,.035);
    }

    .trust-row {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 1px;
    }

    .trust-item {
      min-height: 70px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 14px;
      color: var(--muted);
      border-left: 1px solid var(--line);
    }

    .trust-item:last-child { border-right: 1px solid var(--line); }

    .trust-item i {
      color: var(--primary);
      font-size: 19px;
    }

    .trust-item strong {
      display: block;
      color: var(--text);
      font-size: 14px;
      line-height: 1.25;
    }

    .trust-item span {
      display: block;
      font-size: 12px;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 30px;
    }

    .section-head h2 {
      font-size: clamp(26px, 3.2vw, 38px);
      line-height: 1.22;
      font-weight: 800;
      margin: 12px 0;
    }

    .section-head p {
      color: var(--muted);
      margin: 0;
      font-size: 16px;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 12px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
      margin-bottom: 22px;
    }

    .filter-pill {
      min-height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 14px;
      border-radius: 999px;
      color: var(--muted);
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(0,0,0,.16);
      font-weight: 800;
      font-size: 13px;
      cursor: pointer;
    }

    .filter-pill:hover,
    .filter-pill.active {
      color: #07110e;
      background: var(--primary);
      border-color: var(--primary);
    }

    .entry-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .entry-card {
      min-height: 230px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 18px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background:
        linear-gradient(140deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
        var(--panel);
      transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    .entry-card:hover {
      transform: translateY(-2px);
      border-color: rgba(48,255,186,.45);
      background:
        linear-gradient(140deg, rgba(48,255,186,.08), rgba(255,255,255,.035)),
        var(--panel);
      box-shadow: var(--glow);
    }

    .card-row {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 12px;
    }

    .entry-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 5px 9px;
      color: var(--primary);
      border: 1px solid rgba(48,255,186,.24);
      border-radius: 999px;
      background: rgba(48,255,186,.08);
      font-size: 12px;
      font-weight: 800;
      white-space: nowrap;
    }

    .entry-state {
      color: var(--weak);
      font-size: 12px;
      white-space: nowrap;
    }

    .entry-card h3 {
      font-size: 20px;
      font-weight: 800;
      margin: 0 0 8px;
      line-height: 1.35;
    }

    .entry-card p {
      color: var(--muted);
      margin: 0;
      font-size: 14px;
    }

    .entry-card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px solid var(--line);
    }

    .mini-link {
      color: var(--primary);
      font-weight: 800;
      font-size: 13px;
    }

    .mini-link:hover { color: #fff; }

    .compare-band {
      background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 22px;
      align-items: stretch;
    }

    .summary-panel {
      padding: 22px;
      border: 1px solid rgba(255,255,255,.14);
      border-radius: var(--radius);
      background:
        linear-gradient(135deg, rgba(255,79,154,.12), transparent 42%),
        var(--panel);
    }

    .summary-panel h2 {
      margin: 12px 0;
      font-size: 32px;
      line-height: 1.25;
      font-weight: 800;
    }

    .summary-panel p {
      color: var(--muted);
      margin-bottom: 18px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0,1fr));
      gap: 10px;
    }

    .metric {
      padding: 14px;
      min-height: 86px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--line);
      background: rgba(255,255,255,.045);
    }

    .metric strong {
      display: block;
      color: var(--primary);
      font-size: 24px;
      line-height: 1.1;
    }

    .metric span {
      color: var(--muted);
      font-size: 12px;
    }

    .compare-list {
      display: grid;
      gap: 12px;
    }

    .compare-item {
      display: grid;
      grid-template-columns: 44px 1fr;
      gap: 14px;
      align-items: start;
      min-height: 104px;
      padding: 16px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: rgba(255,255,255,.04);
    }

    .compare-icon {
      width: 44px;
      height: 44px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
      color: #07110e;
      background: var(--primary);
      font-size: 20px;
    }

    .compare-item h3 {
      margin: 0 0 4px;
      font-size: 18px;
      font-weight: 800;
    }

    .compare-item p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
    }

    .scenario-strip {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }

    .scenario {
      padding: 16px;
      min-height: 176px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: var(--panel);
      position: relative;
      overflow: hidden;
    }

    .scenario::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--accent), var(--orange));
    }

    .scenario i {
      color: var(--primary);
      font-size: 24px;
      margin-bottom: 12px;
    }

    .scenario h3 {
      font-size: 17px;
      font-weight: 800;
      margin: 0 0 8px;
    }

    .scenario p {
      color: var(--muted);
      font-size: 13px;
      margin: 0;
    }

    .accordion {
      --bs-accordion-bg: transparent;
      --bs-accordion-border-color: transparent;
      --bs-accordion-border-width: 0;
      --bs-accordion-btn-focus-box-shadow: none;
      display: grid;
      gap: 12px;
    }

    .accordion-item {
      overflow: hidden;
      border: 1px solid var(--line) !important;
      border-radius: var(--radius) !important;
      background: rgba(255,255,255,.04);
    }

    .accordion-button {
      min-height: 62px;
      color: var(--text);
      background: rgba(255,255,255,.035);
      font-weight: 800;
      line-height: 1.4;
      box-shadow: none !important;
      padding: 18px;
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary);
      background: rgba(48,255,186,.075);
    }

    .accordion-button::after { filter: invert(1); }

    .accordion-body {
      color: var(--muted);
      padding: 0 18px 18px;
      font-size: 15px;
    }

    .open-section {
      padding: 74px 0;
      background:
        linear-gradient(135deg, rgba(48,255,186,.12), transparent 42%),
        linear-gradient(315deg, rgba(255,79,154,.12), transparent 42%),
        #0d0d10;
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .open-grid {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 24px;
      align-items: center;
    }

    .open-copy h2 {
      font-size: clamp(28px, 3.8vw, 44px);
      line-height: 1.18;
      font-weight: 800;
      margin: 12px 0;
    }

    .open-copy p {
      color: var(--muted);
      margin: 0 0 20px;
      max-width: 560px;
    }

    .contact-card {
      padding: 20px;
      border: 1px solid var(--line-strong);
      border-radius: var(--radius);
      background: rgba(12,12,15,.82);
      box-shadow: var(--shadow);
    }

    .contact-card .row {
      --bs-gutter-x: 12px;
      --bs-gutter-y: 12px;
    }

    .form-note {
      color: var(--weak);
      font-size: 12px;
      margin-top: 10px;
    }

    .footer {
      padding: 54px 0 28px;
      background: #070708;
      border-top: 1px solid var(--line);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.25fr .75fr .75fr;
      gap: 28px;
      margin-bottom: 30px;
    }

    .footer-brand {
      font-size: 20px;
      font-weight: 900;
      margin-bottom: 10px;
    }

    .footer p {
      color: var(--muted);
      max-width: 470px;
      margin: 0;
    }

    .footer-links {
      display: grid;
      gap: 8px;
    }

    .footer-links a {
      color: var(--muted);
      font-size: 14px;
    }

    .footer-links a:hover {
      color: var(--primary);
    }

    .copyright {
      color: var(--weak);
      font-size: 13px;
      padding-top: 18px;
      border-top: 1px solid var(--line);
    }

    .fixed-cta {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1050;
      background: rgba(9,9,11,.94);
      border-top: 1px solid rgba(48,255,186,.26);
      backdrop-filter: blur(14px);
    }

    .fixed-cta-inner {
      width: min(var(--container), calc(100% - 28px));
      min-height: 66px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .fixed-cta-text {
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 0;
    }

    .fixed-cta-text i {
      color: var(--primary);
      font-size: 20px;
      flex: 0 0 auto;
    }

    .fixed-cta-text strong {
      display: block;
      line-height: 1.25;
      font-size: 14px;
    }

    .fixed-cta-text span {
      display: block;
      color: var(--muted);
      font-size: 12px;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .fixed-cta-actions {
      display: flex;
      gap: 10px;
      flex: 0 0 auto;
    }

    @media (max-width: 1199.98px) {
      .site-container { width: min(100% - 32px, var(--container)); }
      .hero-grid,
      .compare-grid,
      .open-grid {
        grid-template-columns: 1fr;
      }
      .hero-copy { min-height: auto; }
      .entry-console { min-height: auto; }
      .trust-row {
        grid-template-columns: repeat(5, 210px);
        overflow-x: auto;
      }
      .trust-strip .site-container { width: 100%; }
      .scenario-strip { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .navbar-brand { max-width: 300px; }
    }

    @media (max-width: 991.98px) {
      .navbar-collapse {
        padding: 14px 0 16px;
        border-top: 1px solid var(--line);
        margin-top: 10px;
      }
      .navbar-nav {
        align-items: stretch !important;
        gap: 6px;
      }
      .nav-link {
        width: 100%;
        justify-content: flex-start;
      }
      .navbar .btn-primary-custom {
        margin-top: 10px;
        width: 100%;
      }
      .page-hero { padding-top: 36px; }
      .entry-list { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 767.98px) {
      body { padding-bottom: 74px; }
      .site-container { width: min(100% - 24px, var(--container)); }
      .navbar-brand {
        max-width: calc(100vw - 110px);
        font-size: 15px;
      }
      .logo-mark {
        width: 31px;
        height: 31px;
        flex-basis: 31px;
      }
      .section { padding: 54px 0; }
      .section-tight { padding: 38px 0; }
      h1 { font-size: 32px; }
      .lead-text { font-size: 15px; }
      .quick-facts,
      .access-grid,
      .metric-grid,
      .scenario-strip,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-actions .btn {
        width: 100%;
      }
      .entry-card-footer {
        align-items: flex-start;
        flex-direction: column;
      }
      .compare-item {
        grid-template-columns: 38px 1fr;
      }
      .compare-icon {
        width: 38px;
        height: 38px;
      }
      .open-section { padding: 56px 0; }
      .fixed-cta-inner {
        min-height: 64px;
      }
      .fixed-cta-text span { display: none; }
      .fixed-cta-actions {
        width: 52%;
        justify-content: flex-end;
      }
      .fixed-cta-actions .btn {
        min-height: 44px;
        padding-left: 12px;
        padding-right: 12px;
        font-size: 13px;
      }
      .fixed-cta-actions .btn-outline-custom { display: none; }
    }

    @media (max-width: 520px) {
      .site-container { width: min(100% - 20px, var(--container)); }
      .console-top {
        align-items: flex-start;
        flex-direction: column;
      }
      .filter-bar {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 10px;
      }
      .filter-pill {
        flex: 0 0 auto;
      }
      .trust-row {
        grid-template-columns: repeat(5, 190px);
      }
      .contact-card { padding: 16px; }
      .fixed-cta-text strong {
        font-size: 13px;
        max-width: 150px;
      }
    }