/* roulang page: index */
:root{
      --bg-0:#03060d;
      --bg-1:#050914;
      --bg-2:#07111f;
      --bg-3:#0a1730;
      --cyan:#23d5ff;
      --cyan-soft:rgba(35,213,255,.18);
      --purple:#7b5cff;
      --pink:#ff4fd8;
      --green:#37ffd0;
      --text:#f4f8ff;
      --muted:#a9b8d6;
      --weak:#71809d;
      --line:rgba(255,255,255,.11);
      --line-strong:rgba(35,213,255,.42);
      --glass:rgba(255,255,255,.075);
      --glass-strong:rgba(255,255,255,.105);
      --shadow:0 24px 70px rgba(0,0,0,.42);
      --glow:0 0 28px rgba(35,213,255,.25);
      --glow-purple:0 0 30px rgba(123,92,255,.22);
      --radius-xl:34px;
      --radius-lg:24px;
      --radius-md:18px;
      --radius-sm:14px;
      --nav-h:72px;
      --font:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:var(--font);
      color:var(--text);
      line-height:1.78;
      background:
        radial-gradient(circle at 14% 8%, rgba(35,213,255,.18), transparent 32%),
        radial-gradient(circle at 82% 14%, rgba(123,92,255,.20), transparent 34%),
        radial-gradient(circle at 68% 70%, rgba(255,79,216,.10), transparent 30%),
        linear-gradient(180deg,var(--bg-1),var(--bg-2) 45%,var(--bg-0));
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      opacity:.35;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
      background-size:48px 48px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 88%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      z-index:-2;
      pointer-events:none;
      background:
        linear-gradient(115deg, transparent 18%, rgba(35,213,255,.08) 28%, transparent 38%),
        linear-gradient(65deg, transparent 58%, rgba(123,92,255,.09) 66%, transparent 74%);
      filter:blur(2px);
    }
    a{color:inherit;text-decoration:none}
    a:hover{color:var(--cyan)}
    img,svg{max-width:100%;display:block}
    button,input,textarea{font-family:inherit}
    ::selection{background:rgba(35,213,255,.25);color:#fff}
    .container{max-width:1200px}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(3,6,13,.76);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 14px 50px rgba(0,0,0,.28);
    }
    .site-header:after{
      content:"";
      position:absolute;
      left:0;right:0;bottom:-1px;height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
      opacity:.8;
    }
    .navbar{min-height:var(--nav-h);padding:0}
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:-.02em;
      color:#fff;
      text-shadow:0 0 18px rgba(35,213,255,.36);
      max-width:58vw;
    }
    .brand-mark{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(35,213,255,.96),rgba(123,92,255,.96));
      box-shadow:0 0 24px rgba(35,213,255,.35);
      color:#fff;
      flex:0 0 auto;
    }
    .brand-text{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .navbar-toggler{
      border:1px solid var(--line);
      border-radius:14px;
      color:var(--text);
      padding:9px 11px;
      box-shadow:none!important;
      background:rgba(255,255,255,.06);
    }
    .navbar-toggler:focus{outline:2px solid rgba(35,213,255,.45);outline-offset:2px}
    .navbar-nav{gap:8px;align-items:center}
    .nav-link{
      position:relative;
      color:var(--muted)!important;
      font-weight:700;
      padding:12px 16px!important;
      border-radius:999px;
      min-height:44px;
      transition:.25s ease;
    }
    .nav-link:hover{
      color:var(--text)!important;
      background:rgba(35,213,255,.08);
    }
    .nav-link.active{
      color:var(--cyan)!important;
      background:rgba(35,213,255,.10);
      text-shadow:0 0 16px rgba(35,213,255,.45);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:22px;right:22px;bottom:7px;height:2px;
      border-radius:99px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:var(--glow);
    }
    .nav-cta{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:10px 18px;
      border-radius:999px;
      color:#fff!important;
      font-weight:800;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 22px rgba(35,213,255,.24), inset 0 1px rgba(255,255,255,.28);
      transition:.25s ease;
      border:0;
    }
    .nav-cta:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(35,213,255,.36),0 14px 34px rgba(0,0,0,.35)}
    .navbar-collapse{justify-content:flex-end}
    .btn-glow,.btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      min-height:50px;
      padding:13px 22px;
      font-weight:850;
      letter-spacing:.01em;
      transition:.25s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-glow{
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple) 58%,var(--pink));
      box-shadow:0 0 28px rgba(35,213,255,.28),0 18px 36px rgba(0,0,0,.30);
    }
    .btn-glow:hover,.btn-glow:focus{
      color:#fff;
      transform:translateY(-2px);
      background:linear-gradient(225deg,var(--cyan),var(--purple) 58%,var(--pink));
      box-shadow:0 0 42px rgba(35,213,255,.40),0 22px 46px rgba(0,0,0,.38);
    }
    .btn-ghost{
      color:var(--text);
      background:rgba(255,255,255,.055);
      border-color:rgba(255,255,255,.16);
      box-shadow:inset 0 1px rgba(255,255,255,.08);
    }
    .btn-ghost:hover,.btn-ghost:focus{
      color:#fff;
      transform:translateY(-2px);
      border-color:rgba(35,213,255,.55);
      background:rgba(35,213,255,.10);
      box-shadow:var(--glow);
    }
    .section{padding:104px 0;position:relative}
    .section-sm{padding:74px 0}
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:16px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(35,213,255,.22);
      background:rgba(35,213,255,.08);
      color:var(--cyan);
      font-size:14px;
      font-weight:800;
    }
    .section-title{
      font-size:clamp(28px,4vw,44px);
      line-height:1.16;
      font-weight:900;
      letter-spacing:-.04em;
      margin:0 0 16px;
    }
    .section-desc{
      color:var(--muted);
      font-size:17px;
      max-width:760px;
      margin:0;
    }
    .hero{
      min-height:calc(88vh - var(--nav-h));
      padding:64px 0 86px;
      display:flex;
      align-items:center;
      position:relative;
      overflow:hidden;
    }
    .hero-poster{
      position:relative;
      border-radius:var(--radius-xl);
      padding:26px;
      background:
        linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,.04)),
        radial-gradient(circle at 72% 20%,rgba(35,213,255,.18),transparent 34%),
        radial-gradient(circle at 30% 85%,rgba(123,92,255,.16),transparent 34%);
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .hero-poster:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        linear-gradient(110deg,transparent 0 18%,rgba(35,213,255,.17) 30%,transparent 42%),
        linear-gradient(180deg,rgba(255,255,255,.08),transparent 40%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:24px;
      align-items:stretch;
    }
    .hero-copy{
      min-height:520px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      padding:36px;
      border-radius:30px;
      background:rgba(3,6,13,.42);
      border:1px solid rgba(255,255,255,.10);
    }
    .hero h1{
      font-size:clamp(36px,6.2vw,70px);
      line-height:1.08;
      font-weight:950;
      letter-spacing:-.06em;
      margin:18px 0 20px;
      max-width:850px;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 10%,var(--cyan) 48%,#cbbdff 86%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
      text-shadow:none;
    }
    .hero-lead{
      max-width:720px;
      color:#c8d7f2;
      font-size:18px;
      margin:0 0 26px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
    .hero-points{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:12px;
    }
    .point{
      padding:14px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:18px;
      background:rgba(255,255,255,.055);
    }
    .point strong{
      display:block;
      font-size:22px;
      line-height:1.1;
      color:#fff;
    }
    .point span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .plan-stage{
      display:grid;
      grid-template-rows:auto 1fr auto;
      gap:16px;
    }
    .countdown-bar{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:14px 16px;
      border-radius:22px;
      background:linear-gradient(135deg,rgba(255,79,216,.12),rgba(35,213,255,.10));
      border:1px solid rgba(255,255,255,.12);
    }
    .countdown-title{font-weight:850;color:#fff}
    .countdown-time{display:flex;gap:7px;align-items:center}
    .time-box{
      min-width:42px;
      padding:6px 8px;
      border-radius:12px;
      text-align:center;
      color:#fff;
      font-weight:900;
      background:rgba(3,6,13,.55);
      border:1px solid rgba(35,213,255,.22);
      box-shadow:0 0 18px rgba(35,213,255,.16);
    }
    .option-stack{display:grid;gap:14px}
    .option-card{
      position:relative;
      padding:20px;
      border-radius:24px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      transition:.25s ease;
      overflow:hidden;
    }
    .option-card:hover{transform:translateY(-4px);border-color:rgba(35,213,255,.48);box-shadow:var(--glow)}
    .option-card.recommend{
      background:linear-gradient(135deg,rgba(35,213,255,.16),rgba(123,92,255,.13));
      border-color:rgba(35,213,255,.46);
      box-shadow:0 0 34px rgba(35,213,255,.22);
      transform:scale(1.02);
    }
    .option-card .badge-hot{
      position:absolute;
      top:14px;right:14px;
      padding:5px 10px;
      border-radius:999px;
      font-size:12px;
      color:#05101b;
      background:linear-gradient(135deg,var(--green),var(--cyan));
      font-weight:900;
    }
    .option-card h3{font-size:22px;font-weight:900;margin:0 0 8px}
    .option-card p{color:var(--muted);margin:0 0 16px;font-size:15px}
    .mini-tags{display:flex;gap:8px;flex-wrap:wrap}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 10px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.06);
      color:#cfe1ff;
      font-size:13px;
      font-weight:700;
    }
    .tag.active{background:linear-gradient(135deg,rgba(35,213,255,.22),rgba(123,92,255,.20));border-color:rgba(35,213,255,.45);color:#fff}
    .stock-strip{
      padding:14px 16px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(3,6,13,.48);
    }
    .stock-head{display:flex;justify-content:space-between;color:#dce9ff;font-size:14px;font-weight:800;margin-bottom:9px}
    .progress{height:9px;border-radius:999px;background:rgba(255,255,255,.10);overflow:hidden}
    .progress-bar{background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink))}
    .news-panel,.glass-card{
      border-radius:var(--radius-lg);
      background:var(--glass);
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      backdrop-filter:blur(16px);
    }
    .news-list{display:grid;gap:14px;margin-top:28px}
    .news-item{
      display:grid;
      grid-template-columns:112px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      transition:.25s ease;
    }
    .news-item:hover{transform:translateX(4px);border-color:rgba(35,213,255,.40);background:rgba(35,213,255,.075)}
    .news-date{
      color:var(--cyan);
      font-weight:900;
      font-size:14px;
    }
    .news-item h3{font-size:19px;font-weight:900;margin:0 0 5px}
    .news-item p{margin:0;color:var(--muted);font-size:15px}
    .side-reco{
      padding:26px;
      height:100%;
      position:relative;
      overflow:hidden;
    }
    .side-reco:before{
      content:"";
      position:absolute;
      width:180px;height:180px;right:-70px;top:-70px;
      border-radius:50%;
      background:rgba(35,213,255,.18);
      filter:blur(8px);
    }
    .side-reco h3{font-size:25px;font-weight:950;margin:0 0 14px;position:relative}
    .side-reco p{color:var(--muted);position:relative}
    .quick-links{display:grid;gap:10px;margin-top:22px;position:relative}
    .quick-links a{
      display:flex;align-items:center;justify-content:space-between;
      padding:12px 14px;border-radius:16px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
      color:#d7e6ff;font-weight:750;
      transition:.25s ease;
    }
    .quick-links a:hover{border-color:rgba(35,213,255,.48);background:rgba(35,213,255,.10);transform:translateY(-2px)}
    .timeline{display:grid;gap:16px;margin-top:34px}
    .problem-row{
      display:grid;
      grid-template-columns:64px 1fr;
      gap:18px;
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.11);
      position:relative;
      overflow:hidden;
      transition:.25s ease;
    }
    .problem-row:after{
      content:"";
      position:absolute;left:104px;right:24px;bottom:0;height:1px;
      background:linear-gradient(90deg,var(--cyan),transparent);
      opacity:.55;
    }
    .problem-row:hover{transform:translateY(-3px);border-color:rgba(35,213,255,.42);box-shadow:var(--glow)}
    .num{
      width:48px;height:48px;border-radius:18px;
      display:grid;place-items:center;
      color:#fff;font-weight:950;
      background:linear-gradient(135deg,rgba(35,213,255,.24),rgba(123,92,255,.20));
      border:1px solid rgba(35,213,255,.34);
    }
    .problem-row h3{font-size:21px;font-weight:900;margin:0 0 7px}
    .problem-row p{margin:0;color:var(--muted)}
    .solution-wrap{
      display:grid;
      grid-template-columns:.88fr 1.12fr;
      gap:26px;
      align-items:start;
      margin-top:34px;
    }
    .steps{padding:28px;position:sticky;top:96px}
    .step{
      display:grid;
      grid-template-columns:42px 1fr;
      gap:14px;
      padding:16px 0;
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .step:last-child{border-bottom:0}
    .step i{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      color:var(--cyan);
      background:rgba(35,213,255,.08);
      border:1px solid rgba(35,213,255,.20);
    }
    .step h3{font-size:18px;margin:0 0 4px;font-weight:900}
    .step p{font-size:15px;color:var(--muted);margin:0}
    .entry-matrix{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:16px;
    }
    .entry-card{
      padding:24px;
      min-height:180px;
      border-radius:24px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 18px 44px rgba(0,0,0,.22);
      transition:.25s ease;
    }
    .entry-card:hover{transform:translateY(-4px);border-color:rgba(35,213,255,.50);box-shadow:var(--glow)}
    .entry-card.large{grid-row:span 2;min-height:376px;background:linear-gradient(135deg,rgba(35,213,255,.14),rgba(123,92,255,.10))}
    .entry-icon{
      width:48px;height:48px;border-radius:17px;
      display:grid;place-items:center;
      margin-bottom:16px;
      color:#fff;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:0 0 22px rgba(35,213,255,.25);
    }
    .entry-card h3{font-weight:950;font-size:22px;margin:0 0 9px}
    .entry-card p{color:var(--muted);margin:0 0 18px}
    .sell-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:34px;
    }
    .sell-card{
      padding:26px;
      border-radius:26px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.095),rgba(255,255,255,.045));
      border:1px solid rgba(255,255,255,.12);
      transition:.25s ease;
      min-height:230px;
    }
    .sell-card:hover{transform:translateY(-5px);border-color:rgba(35,213,255,.46);box-shadow:var(--glow-purple)}
    .sell-card i{
      font-size:26px;
      color:var(--cyan);
      display:inline-grid;
      place-items:center;
      width:54px;height:54px;border-radius:18px;
      background:rgba(35,213,255,.09);
      border:1px solid rgba(35,213,255,.2);
      margin-bottom:18px;
    }
    .sell-card h3{font-size:22px;font-weight:950;margin:0 0 10px}
    .sell-card p{color:var(--muted);margin:0}
    .dashboard{
      position:relative;
      overflow:hidden;
      padding:32px;
    }
    .dashboard:before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,rgba(35,213,255,.08),transparent 28%),repeating-linear-gradient(0deg,transparent 0 13px,rgba(255,255,255,.03) 14px);
      pointer-events:none;
    }
    .metric-grid{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1.15fr 1fr 1.1fr;
      gap:16px;
      margin-top:32px;
      align-items:stretch;
    }
    .metric{
      padding:22px;
      border-radius:23px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(3,6,13,.42);
      min-height:180px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .metric:nth-child(even){transform:translateY(20px)}
    .metric strong{
      font-size:clamp(34px,5vw,56px);
      line-height:1;
      font-weight:950;
      background:linear-gradient(135deg,var(--cyan),#fff,var(--purple));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .metric span{color:var(--muted);font-weight:800}
    .metric p{color:var(--weak);font-size:14px;margin:10px 0 0}
    .milestone-track{
      margin-top:34px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      position:relative;
    }
    .milestone{
      padding:22px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.055);
      transition:.25s ease;
    }
    .milestone:hover{transform:translateY(-4px);border-color:rgba(35,213,255,.42);box-shadow:var(--glow)}
    .milestone .dot{
      width:14px;height:14px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 18px rgba(35,213,255,.8);
      margin-bottom:14px;
    }
    .milestone h3{font-size:19px;font-weight:950;margin:0 0 8px}
    .milestone p{font-size:15px;color:var(--muted);margin:0}
    .voice-scroll{
      display:grid;
      grid-template-columns:1fr 1.08fr .92fr;
      gap:18px;
      margin-top:34px;
    }
    .voice-card{
      padding:24px;
      border-radius:26px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      transition:.25s ease;
    }
    .voice-card:nth-child(2){transform:translateY(24px)}
    .voice-card:hover{transform:translateY(-4px);border-color:rgba(35,213,255,.42);box-shadow:var(--glow)}
    .voice-card:nth-child(2):hover{transform:translateY(18px)}
    .avatar{
      width:46px;height:46px;border-radius:50%;
      display:grid;place-items:center;
      color:#fff;
      background:radial-gradient(circle at 30% 20%,var(--cyan),var(--purple));
      box-shadow:0 0 22px rgba(35,213,255,.22);
      margin-bottom:15px;
    }
    .voice-card h3{font-size:18px;font-weight:950;margin:0 0 8px}
    .voice-card p{color:#c9d8f3;margin:0 0 16px}
    .social-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:30px;
    }
    .social-item{
      text-align:center;
      padding:20px 14px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.11);
      background:rgba(255,255,255,.052);
    }
    .social-item strong{display:block;font-size:28px;font-weight:950;color:#fff}
    .social-item span{color:var(--muted);font-size:14px}
    .app-stage{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:center;
    }
    .device-panel{
      padding:30px;
      border-radius:32px;
      background:
        radial-gradient(circle at 72% 28%,rgba(35,213,255,.18),transparent 36%),
        rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:var(--shadow);
    }
    .device-screen{
      border-radius:28px;
      padding:20px;
      background:rgba(3,6,13,.62);
      border:1px solid rgba(35,213,255,.22);
      box-shadow:inset 0 0 30px rgba(35,213,255,.06);
    }
    .screen-row{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
      color:#d8e6ff;
      font-weight:760;
    }
    .screen-row:last-child{border-bottom:0}
    .pill-light{
      padding:5px 9px;border-radius:999px;
      color:#04101d;
      background:linear-gradient(135deg,var(--green),var(--cyan));
      font-size:12px;font-weight:950;
    }
    .accordion{margin-top:34px}
    .accordion-item{
      background:rgba(255,255,255,.055)!important;
      border:1px solid rgba(255,255,255,.11)!important;
      border-radius:22px!important;
      overflow:hidden;
      margin-bottom:14px;
      color:var(--text);
    }
    .accordion-button{
      background:transparent!important;
      color:var(--text)!important;
      font-weight:900;
      font-size:18px;
      box-shadow:none!important;
      padding:20px 22px;
    }
    .accordion-button:not(.collapsed){
      border-bottom:1px solid rgba(35,213,255,.28);
      text-shadow:0 0 14px rgba(35,213,255,.22);
    }
    .accordion-button:focus{box-shadow:0 0 0 .2rem rgba(35,213,255,.18)!important}
    .accordion-button::after{filter:invert(1) opacity(.72)}
    .accordion-body{color:var(--muted);padding:20px 22px 24px}
    .cta-poster{
      position:relative;
      padding:46px;
      border-radius:36px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.14);
      background:
        radial-gradient(circle at 50% 0%,rgba(35,213,255,.24),transparent 38%),
        linear-gradient(135deg,rgba(255,255,255,.10),rgba(255,255,255,.04));
      box-shadow:var(--shadow),var(--glow);
    }
    .cta-poster:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(115deg,transparent 22%,rgba(255,255,255,.09) 39%,transparent 56%);
      pointer-events:none;
    }
    .cta-content{position:relative;z-index:1}
    .cta-poster h2{
      font-size:clamp(30px,4.6vw,52px);
      line-height:1.12;
      font-weight:950;
      letter-spacing:-.04em;
      margin:0 0 16px;
      max-width:760px;
    }
    .cta-poster p{color:#c8d7f2;max-width:760px;margin:0 0 24px}
    .feedback-form{
      display:grid;
      grid-template-columns:1fr 1fr auto;
      gap:12px;
      margin-top:26px;
      max-width:980px;
    }
    .form-control{
      min-height:52px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.075);
      color:#fff;
      padding:12px 18px;
    }
    .form-control::placeholder{color:#8292b0}
    .form-control:focus{
      color:#fff;
      background:rgba(255,255,255,.095);
      border-color:var(--cyan);
      box-shadow:0 0 0 .22rem rgba(35,213,255,.14),0 0 22px rgba(35,213,255,.18);
    }
    .site-footer{
      background:#03060d;
      border-top:1px solid rgba(255,255,255,.08);
      padding:48px 0 28px;
      color:#8ea6c8;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .7fr .8fr;
      gap:28px;
      align-items:start;
    }
    .footer-brand{font-size:20px;font-weight:950;color:#fff;margin-bottom:12px;text-shadow:0 0 16px rgba(35,213,255,.22)}
    .footer-title{color:#d6e4ff;font-weight:900;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#8ea6c8;transition:.2s ease}
    .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      font-size:14px;
      color:#71809d;
    }
    .offcanvas{
      background:rgba(3,6,13,.96);
      color:var(--text);
      border-left:1px solid rgba(35,213,255,.18)!important;
      backdrop-filter:blur(18px);
    }
    .offcanvas .nav-link{padding:14px 16px!important;border-radius:16px}
    @media (max-width:1199px){
      .hero-grid{grid-template-columns:1fr}
      .hero-copy{min-height:auto}
      .plan-stage{grid-template-columns:1fr;grid-template-rows:auto}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(even){transform:none}
    }
    @media (max-width:991px){
      :root{--nav-h:64px}
      .navbar-collapse{display:none!important}
      .section{padding:78px 0}
      .solution-wrap,.app-stage{grid-template-columns:1fr}
      .steps{position:relative;top:auto}
      .entry-matrix{grid-template-columns:1fr}
      .entry-card.large{grid-row:auto;min-height:auto}
      .sell-grid,.voice-scroll,.milestone-track,.social-strip{grid-template-columns:1fr 1fr}
      .voice-card:nth-child(2),.voice-card:nth-child(2):hover{transform:none}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .hero{min-height:auto;padding:40px 0 62px}
      .hero-poster{padding:16px;border-radius:26px}
      .hero-copy{padding:22px;border-radius:24px}
      .hero-points,.sell-grid,.metric-grid,.voice-scroll,.milestone-track,.social-strip,.footer-grid{grid-template-columns:1fr}
      .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
      .news-item{grid-template-columns:1fr;gap:8px}
      .solution-wrap{gap:18px}
      .feedback-form{grid-template-columns:1fr}
      .cta-poster{padding:28px;border-radius:28px}
      .countdown-bar{align-items:flex-start;flex-direction:column}
      .section-sm{padding:58px 0}
    }
    @media (max-width:520px){
      .brand-text{font-size:15px;max-width:64vw}
      .hero h1{font-size:34px}
      .section-title{font-size:28px}
      .option-card.recommend{transform:none}
      .btn-glow,.btn-ghost{width:100%}
      .mini-tags{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
      .tag{flex:0 0 auto}
      .time-box{min-width:38px}
    }

/* roulang page: category1 */
:root{
      --bg:#050914;
      --bg-2:#07111f;
      --bg-3:#03060d;
      --panel:rgba(255,255,255,.07);
      --panel-strong:rgba(255,255,255,.10);
      --border:rgba(255,255,255,.12);
      --border-strong:rgba(35,213,255,.55);
      --text:#f4f8ff;
      --muted:#a9b8d6;
      --weak:#71809d;
      --cyan:#23d5ff;
      --purple:#7b5cff;
      --pink:#ff4fd8;
      --green:#37ffd0;
      --radius-xl:34px;
      --radius-lg:24px;
      --radius-md:18px;
      --shadow:0 22px 70px rgba(0,0,0,.42);
      --glow:0 0 30px rgba(35,213,255,.25);
      --glow-strong:0 0 42px rgba(35,213,255,.35);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 8%,rgba(35,213,255,.18),transparent 34%),
        radial-gradient(circle at 85% 12%,rgba(123,92,255,.20),transparent 32%),
        radial-gradient(circle at 60% 80%,rgba(255,79,216,.10),transparent 30%),
        linear-gradient(180deg,var(--bg),var(--bg-2) 52%,var(--bg-3));
      line-height:1.78;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
      background-size:46px 46px;
      mask-image:radial-gradient(circle at center,#000 0%,transparent 72%);
      z-index:-2;
    }
    body:after{
      content:"";
      position:fixed;
      inset:-20%;
      background:
        linear-gradient(115deg,transparent 22%,rgba(35,213,255,.08) 35%,transparent 46%),
        linear-gradient(125deg,transparent 50%,rgba(123,92,255,.10) 58%,transparent 68%);
      pointer-events:none;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease,transform .25s ease}
    img{max-width:100%;height:auto}
    button,input{font:inherit}
    ::selection{background:rgba(35,213,255,.35);color:#fff}
    .container{max-width:var(--container)}
    .site-header{
      position:sticky;
      top:0;
      z-index:1030;
      background:rgba(3,6,13,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.08);
      box-shadow:0 14px 40px rgba(0,0,0,.28);
    }
    .site-header:after{
      content:"";
      display:block;
      height:1px;
      background:linear-gradient(90deg,transparent,var(--cyan),var(--purple),transparent);
      opacity:.8;
    }
    .navbar{min-height:72px;padding:0}
    .brand-logo{
      display:inline-flex;
      align-items:center;
      gap:12px;
      font-weight:900;
      letter-spacing:.02em;
      color:var(--text);
      min-height:48px;
    }
    .brand-logo:hover{color:#fff}
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      background:linear-gradient(135deg,rgba(35,213,255,.22),rgba(123,92,255,.24));
      border:1px solid rgba(35,213,255,.38);
      box-shadow:var(--glow);
      color:var(--cyan);
    }
    .brand-text{
      font-size:18px;
      text-shadow:0 0 20px rgba(35,213,255,.25);
    }
    .navbar-nav{align-items:center;gap:6px}
    .nav-link{
      position:relative;
      color:var(--muted);
      font-weight:700;
      padding:12px 16px!important;
      min-height:44px;
      border-radius:999px;
    }
    .nav-link:hover,.nav-link:focus{
      color:var(--cyan);
      background:rgba(35,213,255,.08);
    }
    .nav-link.active{
      color:var(--cyan)!important;
      text-shadow:0 0 18px rgba(35,213,255,.45);
    }
    .nav-link.active:after{
      content:"";
      position:absolute;
      left:22px;
      right:22px;
      bottom:7px;
      height:2px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--cyan),var(--purple));
      box-shadow:0 0 16px rgba(35,213,255,.7);
    }
    .nav-cta,.btn-glow{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      color:#fff;
      font-weight:800;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      border:1px solid rgba(255,255,255,.18);
      box-shadow:0 10px 26px rgba(35,213,255,.20),0 0 24px rgba(123,92,255,.18);
      transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
    }
    .nav-cta:hover,.btn-glow:hover{
      color:#fff;
      transform:translateY(-2px);
      filter:saturate(1.12);
      box-shadow:0 16px 34px rgba(35,213,255,.30),0 0 38px rgba(123,92,255,.28);
    }
    .btn-ghost{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 20px;
      border-radius:999px;
      color:var(--text);
      font-weight:800;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(35,213,255,.28);
      box-shadow:inset 0 0 18px rgba(255,255,255,.04);
      transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
    }
    .btn-ghost:hover{
      color:#fff;
      transform:translateY(-2px);
      border-color:rgba(35,213,255,.58);
      background:rgba(35,213,255,.10);
      box-shadow:var(--glow);
    }
    .navbar-toggler{
      color:#fff;
      border:1px solid rgba(255,255,255,.16);
      border-radius:14px;
      width:46px;
      height:42px;
      display:grid;
      place-items:center;
      box-shadow:none!important;
    }
    .offcanvas{
      background:rgba(3,6,13,.96);
      color:var(--text);
      border-left:1px solid rgba(35,213,255,.18);
      backdrop-filter:blur(18px);
    }
    .offcanvas .nav-link{width:100%;border-radius:16px;margin-bottom:8px}
    main{position:relative}
    .section{padding:92px 0}
    .section-tight{padding:68px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      border:1px solid rgba(35,213,255,.32);
      background:rgba(35,213,255,.08);
      color:var(--cyan);
      font-weight:800;
      font-size:14px;
      letter-spacing:.02em;
    }
    .hero-category{
      position:relative;
      padding:64px 0 88px;
      overflow:hidden;
    }
    .hero-category:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 72% 32%,rgba(35,213,255,.20),transparent 34%),
        radial-gradient(circle at 42% 8%,rgba(123,92,255,.18),transparent 28%);
      pointer-events:none;
    }
    .breadcrumb-wrap{
      position:relative;
      z-index:1;
      margin-bottom:30px;
    }
    .breadcrumb{
      margin:0;
      padding:10px 14px;
      display:inline-flex;
      border-radius:999px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.10);
    }
    .breadcrumb-item,.breadcrumb-item a{color:var(--muted);font-weight:700}
    .breadcrumb-item.active{color:var(--cyan)}
    .breadcrumb-item+.breadcrumb-item:before{color:var(--weak)}
    .hero-panel{
      position:relative;
      z-index:1;
      border:1px solid rgba(255,255,255,.14);
      background:linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow),var(--glow);
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:linear-gradient(115deg,rgba(35,213,255,.22),transparent 34%,rgba(123,92,255,.20) 64%,transparent);
      opacity:.7;
      pointer-events:none;
    }
    .hero-copy{
      position:relative;
      padding:46px;
    }
    h1{
      font-size:clamp(36px,5vw,64px);
      line-height:1.12;
      font-weight:900;
      letter-spacing:-.04em;
      margin:18px 0 22px;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 8%,var(--cyan) 45%,#b9a9ff 74%,#fff);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .lead{
      color:var(--muted);
      font-size:18px;
      line-height:1.9;
      max-width:760px;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
    .invite-board{
      position:relative;
      margin:28px;
      padding:28px;
      border-radius:28px;
      background:rgba(3,6,13,.48);
      border:1px solid rgba(255,255,255,.13);
      box-shadow:inset 0 0 34px rgba(35,213,255,.07);
      min-height:420px;
    }
    .invite-board:after{
      content:"";
      position:absolute;
      inset:18px;
      border-radius:24px;
      border:1px dashed rgba(35,213,255,.20);
      pointer-events:none;
    }
    .progress-card{
      position:relative;
      z-index:1;
      padding:22px;
      border-radius:22px;
      background:rgba(255,255,255,.075);
      border:1px solid rgba(255,255,255,.13);
      margin-bottom:18px;
    }
    .progress-title{
      display:flex;
      justify-content:space-between;
      gap:14px;
      color:var(--text);
      font-weight:850;
      margin-bottom:12px;
    }
    .progress{
      height:10px;
      border-radius:999px;
      overflow:hidden;
      background:rgba(255,255,255,.10);
    }
    .progress-bar{
      background:linear-gradient(90deg,var(--cyan),var(--purple),var(--pink));
      box-shadow:0 0 18px rgba(35,213,255,.45);
    }
    .mini-matrix{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
      margin-top:18px;
    }
    .matrix-cell{
      padding:18px;
      border-radius:20px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      transition:transform .25s ease,border-color .25s ease,background .25s ease;
    }
    .matrix-cell:hover{
      transform:translateY(-4px);
      border-color:rgba(35,213,255,.55);
      background:rgba(35,213,255,.09);
    }
    .matrix-cell i{
      color:var(--cyan);
      font-size:22px;
      text-shadow:0 0 18px rgba(35,213,255,.45);
    }
    .matrix-cell strong{display:block;margin:10px 0 4px;font-size:17px}
    .matrix-cell span{color:var(--muted);font-size:14px}
    .filter-bar{
      position:sticky;
      top:74px;
      z-index:10;
      padding:14px;
      margin-top:-28px;
      border-radius:24px;
      background:rgba(3,6,13,.78);
      border:1px solid rgba(255,255,255,.12);
      backdrop-filter:blur(18px);
      box-shadow:0 16px 44px rgba(0,0,0,.32);
    }
    .tag-scroll{
      display:flex;
      gap:10px;
      overflow-x:auto;
      scrollbar-width:none;
      padding-bottom:1px;
    }
    .tag-scroll::-webkit-scrollbar{display:none}
    .filter-pill,.tag{
      white-space:nowrap;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 14px;
      border-radius:999px;
      color:var(--muted);
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.12);
      font-weight:800;
      font-size:14px;
      transition:all .25s ease;
    }
    .filter-pill:hover,.tag:hover{
      color:#fff;
      border-color:rgba(35,213,255,.5);
      background:rgba(35,213,255,.10);
    }
    .filter-pill.active{
      color:#fff;
      background:linear-gradient(135deg,rgba(35,213,255,.35),rgba(123,92,255,.34));
      border-color:rgba(35,213,255,.62);
      box-shadow:var(--glow);
    }
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:24px;
      margin-bottom:34px;
    }
    .section-head h2{
      font-size:clamp(28px,3.6vw,42px);
      line-height:1.2;
      font-weight:900;
      letter-spacing:-.03em;
      margin:12px 0 0;
    }
    .section-head p{
      margin:0;
      color:var(--muted);
      max-width:560px;
    }
    .glass-card{
      position:relative;
      background:linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.052));
      border:1px solid rgba(255,255,255,.13);
      border-radius:var(--radius-lg);
      box-shadow:0 20px 60px rgba(0,0,0,.32);
      overflow:hidden;
      transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:rgba(35,213,255,.48);
      box-shadow:0 26px 70px rgba(0,0,0,.42),var(--glow);
      background:linear-gradient(135deg,rgba(35,213,255,.10),rgba(255,255,255,.06));
    }
    .feature-main{
      min-height:100%;
      padding:34px;
    }
    .feature-main .big-icon{
      width:64px;
      height:64px;
      border-radius:22px;
      display:grid;
      place-items:center;
      color:#fff;
      font-size:28px;
      background:linear-gradient(135deg,var(--cyan),var(--purple));
      box-shadow:var(--glow);
      margin-bottom:22px;
    }
    .feature-main h3,.entry-card h3,.side-card h3,.step-card h3{
      font-size:22px;
      line-height:1.35;
      font-weight:900;
      margin-bottom:12px;
    }
    .feature-main p,.entry-card p,.side-card p,.step-card p{
      color:var(--muted);
      margin-bottom:18px;
    }
    .meta-line{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:18px;
    }
    .entry-card{
      padding:24px;
      min-height:100%;
    }
    .entry-card .card-top{
      display:flex;
      justify-content:space-between;
      align-items:flex-start;
      gap:14px;
      margin-bottom:16px;
    }
    .entry-icon{
      width:46px;
      height:46px;
      border-radius:17px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      background:rgba(35,213,255,.10);
      border:1px solid rgba(35,213,255,.24);
      font-size:22px;
    }
    .entry-time{
      color:var(--weak);
      font-size:13px;
      font-weight:800;
      padding-top:6px;
    }
    .card-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--cyan);
      font-weight:900;
    }
    .card-link:hover{color:#fff;transform:translateX(3px)}
    .layout-with-side{
      display:grid;
      grid-template-columns:minmax(0,1fr) 330px;
      gap:24px;
      align-items:start;
    }
    .side-stack{
      position:sticky;
      top:154px;
      display:grid;
      gap:18px;
    }
    .side-card{padding:24px}
    .notice-list{
      display:grid;
      gap:12px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .notice-list li{
      display:flex;
      gap:10px;
      color:var(--muted);
      padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .notice-list li:last-child{border-bottom:0}
    .notice-list i{color:var(--green);margin-top:4px}
    .quick-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .process-strip{
      display:grid;
      grid-template-columns:1.1fr .9fr 1fr;
      gap:18px;
      align-items:stretch;
    }
    .step-card{
      padding:26px;
    }
    .step-num{
      display:inline-grid;
      place-items:center;
      width:38px;
      height:38px;
      border-radius:14px;
      margin-bottom:18px;
      color:#fff;
      font-weight:900;
      background:linear-gradient(135deg,rgba(35,213,255,.7),rgba(123,92,255,.75));
      box-shadow:var(--glow);
    }
    .metric-panel{
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(255,255,255,.13);
      background:
        linear-gradient(135deg,rgba(255,255,255,.075),rgba(255,255,255,.04)),
        repeating-linear-gradient(0deg,rgba(255,255,255,.025) 0 1px,transparent 1px 22px);
      box-shadow:var(--shadow);
    }
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
      margin-top:26px;
    }
    .metric{
      padding:22px;
      border-radius:22px;
      background:rgba(3,6,13,.38);
      border:1px solid rgba(255,255,255,.11);
    }
    .metric strong{
      display:block;
      font-size:34px;
      line-height:1;
      font-weight:950;
      margin-bottom:10px;
      background:linear-gradient(135deg,var(--cyan),#fff,var(--purple));
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .metric span{color:var(--muted);font-size:14px}
    .feedback-row{
      display:grid;
      grid-template-columns:1fr 1.2fr 1fr;
      gap:18px;
      align-items:start;
    }
    .feedback-card{
      padding:26px;
      border-radius:24px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12);
      box-shadow:0 16px 44px rgba(0,0,0,.28);
    }
    .feedback-card:nth-child(2){margin-top:32px}
    .avatar-dot{
      width:44px;
      height:44px;
      border-radius:50%;
      background:radial-gradient(circle at 35% 30%,#fff,var(--cyan) 22%,var(--purple) 70%);
      box-shadow:var(--glow);
      margin-bottom:16px;
    }
    .feedback-card p{color:var(--muted);margin-bottom:18px}
    .feedback-card strong{display:block;margin-bottom:6px}
    .accordion{
      --bs-accordion-bg:transparent;
      --bs-accordion-border-color:transparent;
      display:grid;
      gap:14px;
    }
    .accordion-item{
      overflow:hidden;
      border-radius:22px!important;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.12)!important;
      box-shadow:0 14px 42px rgba(0,0,0,.25);
    }
    .accordion-button{
      color:var(--text);
      background:transparent;
      font-weight:900;
      padding:22px 24px;
      box-shadow:none!important;
    }
    .accordion-button:not(.collapsed){
      color:#fff;
      background:rgba(35,213,255,.08);
      border-bottom:1px solid rgba(35,213,255,.18);
    }
    .accordion-button:focus{
      border-color:rgba(35,213,255,.55);
      box-shadow:0 0 0 .2rem rgba(35,213,255,.16)!important;
    }
    .accordion-button:after{
      filter:invert(1) grayscale(1);
      opacity:.78;
    }
    .accordion-body{
      color:var(--muted);
      padding:20px 24px 24px;
    }
    .cta-banner{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-xl);
      padding:44px;
      background:
        radial-gradient(circle at 50% 0%,rgba(35,213,255,.24),transparent 44%),
        linear-gradient(135deg,rgba(255,255,255,.09),rgba(255,255,255,.04));
      border:1px solid rgba(255,255,255,.14);
      box-shadow:var(--shadow),var(--glow);
    }
    .cta-banner:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(110deg,transparent 14%,rgba(255,255,255,.07) 32%,transparent 48%);
      pointer-events:none;
    }
    .cta-banner h2{
      position:relative;
      font-size:clamp(28px,4vw,46px);
      line-height:1.18;
      font-weight:950;
      letter-spacing:-.04em;
      margin-bottom:16px;
    }
    .cta-banner p{position:relative;color:var(--muted);max-width:720px}
    .feedback-form{
      position:relative;
      display:grid;
      grid-template-columns:1fr 1fr auto;
      gap:12px;
      margin-top:26px;
    }
    .form-control{
      min-height:48px;
      color:#fff!important;
      background:rgba(255,255,255,.07)!important;
      border:1px solid rgba(255,255,255,.15)!important;
      border-radius:999px!important;
      padding:12px 18px;
      box-shadow:none!important;
    }
    .form-control::placeholder{color:rgba(169,184,214,.75)}
    .form-control:focus{
      border-color:var(--cyan)!important;
      box-shadow:0 0 0 .2rem rgba(35,213,255,.15)!important;
    }
    .site-footer{
      padding:58px 0 28px;
      background:#03060d;
      border-top:1px solid rgba(255,255,255,.08);
      color:#8ea6c8;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .9fr;
      gap:34px;
      padding-bottom:32px;
    }
    .footer-brand{
      color:#fff;
      font-weight:950;
      font-size:20px;
      margin-bottom:12px;
      text-shadow:0 0 18px rgba(35,213,255,.25);
    }
    .footer-title{
      color:#f4f8ff;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a,.footer-links span{
      color:#8ea6c8;
      font-size:14px;
    }
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#71809d;
      font-size:14px;
    }
    @media (max-width:1199px){
      .layout-with-side{grid-template-columns:1fr}
      .side-stack{position:static;grid-template-columns:1fr 1fr}
      .metric-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width:991px){
      .navbar{min-height:64px}
      .hero-copy{padding:34px}
      .invite-board{margin:0 28px 28px;min-height:auto}
      .filter-bar{top:66px}
      .section{padding:72px 0}
      .section-head{display:block}
      .section-head p{margin-top:14px}
      .process-strip{grid-template-columns:1fr}
      .feedback-row{grid-template-columns:1fr}
      .feedback-card:nth-child(2){margin-top:0}
      .feedback-form{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      .brand-text{font-size:16px}
      .hero-category{padding:38px 0 64px}
      .hero-copy{padding:24px}
      .lead{font-size:16px}
      .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}
      .mini-matrix{grid-template-columns:1fr}
      .side-stack{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{display:grid}
      .cta-banner{padding:28px}
      .feature-main,.entry-card,.side-card,.step-card{padding:22px}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .brand-mark{width:38px;height:38px;border-radius:14px}
      .breadcrumb{border-radius:18px}
      .hero-panel{border-radius:26px}
      .invite-board{padding:18px;margin:0 18px 18px;border-radius:22px}
      .filter-bar{border-radius:18px;margin-top:-18px}
      .tag,.filter-pill{font-size:13px;padding:8px 12px}
      .section{padding:58px 0}
      .metric strong{font-size:30px}
    }