/* roulang page: index */
:root{
      --bg-0:#050913;
      --bg-1:#071327;
      --bg-2:#0b1c35;
      --panel:rgba(12,30,55,.72);
      --panel-strong:rgba(15,38,70,.9);
      --panel-soft:rgba(255,255,255,.055);
      --line:rgba(135,205,255,.18);
      --line-strong:rgba(87,218,255,.42);
      --text:#edf7ff;
      --muted:#a9bdd2;
      --subtle:#7f94ab;
      --primary:#41d6ff;
      --primary-2:#6be7c4;
      --accent:#8f7cff;
      --amber:#ffd27a;
      --danger-soft:#ffb68a;
      --shadow:0 24px 70px rgba(0,0,0,.38);
      --glow:0 0 28px rgba(65,214,255,.24);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-pill:999px;
      --container:1220px;
      --ease:180ms ease;
      --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 8% 10%, rgba(65,214,255,.16), transparent 30%),
        radial-gradient(circle at 85% 4%, rgba(143,124,255,.18), transparent 32%),
        radial-gradient(circle at 52% 58%, rgba(107,231,196,.08), transparent 35%),
        linear-gradient(145deg,var(--bg-0),var(--bg-1) 50%,#04070e);
      min-height:100vh;
      overflow-x:hidden;
      padding-bottom:0;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:56px 56px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.8), transparent 78%);
    }
    a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
    a:hover{color:var(--primary)}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(65,214,255,.28);color:#fff}
    :focus-visible{outline:3px solid rgba(65,214,255,.45);outline-offset:3px;border-radius:12px}

    .site-container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .section{padding:96px 0}
    .section-tight{padding:72px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 13px;
      border:1px solid var(--line);
      border-radius:var(--radius-pill);
      color:#c9f5ff;
      background:rgba(65,214,255,.08);
      font-size:13px;
      font-weight:700;
      letter-spacing:.03em;
    }
    .eyebrow::before{
      content:"";
      width:8px;height:8px;border-radius:50%;
      background:var(--primary-2);
      box-shadow:0 0 16px rgba(107,231,196,.9);
    }
    .section-head{max-width:760px;margin-bottom:34px}
    .section-head.center{text-align:center;margin-inline:auto}
    h1,h2,h3,p{margin-top:0}
    h1{
      font-size:clamp(34px,5vw,58px);
      line-height:1.14;
      font-weight:800;
      letter-spacing:-.04em;
      margin:20px 0 20px;
    }
    h2{
      font-size:clamp(26px,3.2vw,38px);
      line-height:1.22;
      font-weight:800;
      letter-spacing:-.025em;
      margin:14px 0 14px;
    }
    h3{
      font-size:21px;
      line-height:1.35;
      font-weight:800;
      margin-bottom:10px;
    }
    p{color:var(--muted);font-size:16.5px}
    .lead{font-size:18px;color:#c4d4e6;max-width:720px}
    .muted{color:var(--subtle)}
    .gradient-text{
      background:linear-gradient(90deg,#fff 0%,#9aeaff 48%,#b6ffe8 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }

    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg,rgba(5,11,22,.86),rgba(5,11,22,.62));
      border-bottom:1px solid rgba(135,205,255,.14);
    }
    .nav-shell{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      letter-spacing:-.02em;
      color:#fff;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;grid-template-columns:repeat(2,1fr);gap:4px;
      padding:9px;
      background:linear-gradient(145deg,rgba(65,214,255,.22),rgba(143,124,255,.16));
      border:1px solid rgba(135,205,255,.28);
      box-shadow:var(--glow), inset 0 0 18px rgba(255,255,255,.05);
      flex:0 0 auto;
    }
    .brand-mark span{
      border-radius:5px;
      background:rgba(237,247,255,.18);
      border:1px solid rgba(107,231,196,.24);
    }
    .brand-text{
      font-size:17px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:10px;
      padding:6px;
      border:1px solid rgba(135,205,255,.12);
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.035);
    }
    .nav-link{
      position:relative;
      min-height:42px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      border-radius:var(--radius-pill);
      color:#b8c9da;
      font-size:14px;
      font-weight:700;
    }
    .nav-link:hover{
      background:rgba(65,214,255,.08);
      color:#e9fbff;
    }
    .nav-link.active{
      color:#06111c;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(65,214,255,.25);
    }

    .hero{
      position:relative;
      padding:94px 0 72px;
      overflow:hidden;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:560px;height:560px;
      right:-180px;top:30px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(65,214,255,.18),transparent 64%);
      pointer-events:none;
    }
    .hero-grid{align-items:center;position:relative;z-index:1}
    .hero-copy{padding-right:30px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 24px}
    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      padding:0 22px;
      border-radius:var(--radius-pill);
      border:1px solid transparent;
      font-weight:800;
      font-size:15px;
      line-height:1;
      transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
    }
    .btn-primary{
      color:#04111d;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      box-shadow:0 14px 34px rgba(65,214,255,.22), inset 0 1px 0 rgba(255,255,255,.45);
    }
    .btn-primary:hover{
      color:#03101a;
      transform:translateY(-3px);
      box-shadow:0 18px 44px rgba(65,214,255,.34), inset 0 1px 0 rgba(255,255,255,.55);
    }
    .btn-ghost{
      color:#d8eff8;
      border-color:rgba(65,214,255,.35);
      background:rgba(255,255,255,.045);
    }
    .btn-ghost:hover{
      color:#fff;
      background:rgba(65,214,255,.1);
      transform:translateY(-3px);
      border-color:rgba(107,231,196,.5);
    }
    .trust-tags{display:flex;gap:10px;flex-wrap:wrap}
    .tag,.badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      border-radius:var(--radius-pill);
      border:1px solid rgba(135,205,255,.18);
      background:rgba(255,255,255,.045);
      color:#c8dbe8;
      font-size:13px;
      font-weight:700;
      padding:7px 11px;
    }
    .tag .dot,.status-dot{
      width:7px;height:7px;border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 12px rgba(65,214,255,.8);
      flex:0 0 auto;
    }

    .visual-panel{
      position:relative;
      min-height:520px;
      border-radius:34px;
      border:1px solid rgba(135,205,255,.24);
      background:
        linear-gradient(145deg,rgba(15,38,70,.72),rgba(8,16,33,.85)),
        radial-gradient(circle at 20% 10%,rgba(65,214,255,.2),transparent 35%);
      box-shadow:var(--shadow), inset 0 0 42px rgba(65,214,255,.06);
      overflow:hidden;
      padding:24px;
    }
    .visual-panel::before{
      content:"";
      position:absolute;inset:0;
      background:
        linear-gradient(90deg,transparent 49%,rgba(65,214,255,.12) 50%,transparent 51%),
        linear-gradient(0deg,transparent 49%,rgba(65,214,255,.1) 50%,transparent 51%);
      background-size:78px 78px;
      opacity:.32;
    }
    .hud-top,.hud-bottom,.zone-matrix,.route-card{position:relative;z-index:1}
    .hud-top{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      margin-bottom:24px;
    }
    .hud-title{font-weight:800;color:#fff}
    .hud-status{font-size:12px;color:#bdf8ff;border:1px solid rgba(65,214,255,.32);padding:6px 10px;border-radius:999px;background:rgba(65,214,255,.08)}
    .zone-matrix{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
    }
    .zone-tile{
      min-height:138px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(135,205,255,.18);
      background:rgba(255,255,255,.055);
      box-shadow:inset 0 0 24px rgba(255,255,255,.03);
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .zone-tile:hover{
      transform:translateY(-5px);
      border-color:rgba(65,214,255,.48);
      background:rgba(65,214,255,.085);
    }
    .zone-num{font-size:13px;color:var(--primary-2);font-weight:800;margin-bottom:18px}
    .zone-title{font-size:18px;font-weight:800;color:#fff;margin-bottom:6px}
    .zone-desc{font-size:13px;color:#9fb4c8;line-height:1.65;margin:0}
    .route-card{
      margin-top:16px;
      padding:18px;
      border-radius:22px;
      background:rgba(3,10,21,.55);
      border:1px solid rgba(107,231,196,.2);
    }
    .route-line{
      display:grid;
      grid-template-columns:32px 1fr auto;
      align-items:center;
      gap:12px;
      padding:9px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
      color:#cfe4f0;
      font-size:14px;
    }
    .route-line:last-child{border-bottom:0}
    .route-icon{
      width:32px;height:32px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(65,214,255,.1);
      color:var(--primary);
      border:1px solid rgba(65,214,255,.22);
      font-weight:900;
    }
    .route-meta{font-size:12px;color:#8ba2b8}

    .glass-card{
      position:relative;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      background:linear-gradient(145deg,rgba(15,36,65,.74),rgba(8,18,35,.64));
      box-shadow:var(--shadow);
      overflow:hidden;
      transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
    }
    .glass-card::before{
      content:"";
      position:absolute;
      inset:0;
      pointer-events:none;
      background:radial-gradient(circle at 18% 0%,rgba(65,214,255,.12),transparent 28%);
      opacity:.8;
    }
    .glass-card:hover{
      transform:translateY(-5px);
      border-color:var(--line-strong);
      box-shadow:0 28px 80px rgba(0,0,0,.44),0 0 30px rgba(65,214,255,.12);
    }
    .card-inner{position:relative;z-index:1;padding:28px}
    .feature-layout{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:24px;
      align-items:stretch;
    }
    .main-feature .card-inner{padding:34px}
    .feature-list{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:16px;
      margin-top:26px;
    }
    .mini-feature{
      padding:20px;
      border-radius:20px;
      border:1px solid rgba(135,205,255,.14);
      background:rgba(255,255,255,.045);
    }
    .icon-box{
      width:44px;height:44px;border-radius:15px;
      display:grid;place-items:center;
      margin-bottom:16px;
      color:#081420;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(65,214,255,.2);
    }
    .small-card{
      border-radius:22px;
      padding:22px;
      border:1px solid rgba(135,205,255,.16);
      background:rgba(255,255,255,.045);
      min-height:174px;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .small-card:hover{
      transform:translateY(-5px);
      border-color:rgba(107,231,196,.42);
      background:rgba(65,214,255,.07);
    }

    .data-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      border-radius:30px;
      border:1px solid rgba(135,205,255,.2);
      background:linear-gradient(90deg,rgba(65,214,255,.1),rgba(143,124,255,.08),rgba(107,231,196,.08));
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .data-item{
      padding:28px 24px;
      border-right:1px solid rgba(255,255,255,.08);
    }
    .data-item:last-child{border-right:0}
    .data-number{
      display:flex;
      align-items:baseline;
      gap:5px;
      color:#fff;
      font-size:42px;
      line-height:1;
      font-weight:900;
      letter-spacing:-.04em;
      text-shadow:0 0 22px rgba(65,214,255,.26);
    }
    .data-number span{font-size:14px;color:var(--primary-2);letter-spacing:0}
    .data-label{margin:10px 0 0;color:#aec2d2;font-size:14px}

    .bento-grid{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:22px;
    }
    .scenario-card{
      min-height:260px;
      padding:24px;
      border-radius:26px;
      border:1px solid rgba(135,205,255,.15);
      background:rgba(255,255,255,.045);
      position:relative;
      overflow:hidden;
      transition:transform var(--ease),border-color var(--ease),background var(--ease);
    }
    .scenario-card.large{grid-column:span 2}
    .scenario-card:hover{
      transform:translateY(-5px);
      border-color:rgba(65,214,255,.44);
      background:rgba(65,214,255,.065);
    }
    .scenario-no{
      position:absolute;
      right:20px;top:18px;
      color:rgba(237,247,255,.22);
      font-size:44px;
      font-weight:900;
      line-height:1;
    }
    .wireframe{
      margin-top:24px;
      border-radius:18px;
      border:1px solid rgba(135,205,255,.13);
      background:rgba(3,10,21,.34);
      padding:16px;
    }
    .wire-line{height:10px;border-radius:99px;background:rgba(237,247,255,.13);margin:10px 0}
    .wire-line.short{width:55%}
    .wire-line.mid{width:76%}

    .process-wrap{
      display:grid;
      grid-template-columns:1fr 360px;
      gap:26px;
      align-items:start;
    }
    .steps{
      counter-reset:step;
      padding:30px;
      border-radius:30px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .step{
      counter-increment:step;
      display:grid;
      grid-template-columns:54px 1fr;
      gap:18px;
      position:relative;
      padding:0 0 30px;
    }
    .step:last-child{padding-bottom:0}
    .step:not(:last-child)::before{
      content:"";
      position:absolute;
      left:26px;top:58px;bottom:8px;
      width:1px;
      background:linear-gradient(to bottom,rgba(65,214,255,.45),rgba(65,214,255,.06));
    }
    .step-num{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      color:#03111d;
      font-weight:900;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(65,214,255,.18);
    }
    .step-num::before{content:counter(step, decimal-leading-zero)}
    .side-cta{
      padding:28px;
      border-radius:30px;
      border:1px solid rgba(107,231,196,.22);
      background:linear-gradient(160deg,rgba(65,214,255,.1),rgba(143,124,255,.1));
      box-shadow:var(--shadow);
      position:sticky;
      top:100px;
    }
    .check-list{
      list-style:none;
      margin:18px 0 24px;
      padding:0;
    }
    .check-list li{
      display:flex;
      gap:10px;
      color:#c3d8e5;
      padding:8px 0;
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .check-list li:last-child{border-bottom:0}
    .check-list li::before{
      content:"✓";
      color:var(--primary-2);
      font-weight:900;
    }

    .accordion{
      background:transparent;
      border:0;
    }
    .accordion-item{
      margin-bottom:14px;
      border-radius:22px;
      overflow:hidden;
      border:1px solid rgba(135,205,255,.15);
      background:rgba(255,255,255,.045);
      transition:border-color var(--ease),background var(--ease);
    }
    .accordion-item:hover,.accordion-item.is-active{
      border-color:rgba(65,214,255,.4);
      background:rgba(65,214,255,.06);
    }
    .accordion-title{
      min-height:60px;
      display:flex;
      align-items:center;
      padding:18px 58px 18px 22px;
      color:#eefbff;
      font-size:16px;
      font-weight:800;
      border:0;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:#fff;
      background:transparent;
    }
    .accordion-title::before{
      right:22px;
      margin-top:-10px;
      color:var(--primary);
      font-size:24px;
      transition:transform var(--ease);
    }
    .is-active>.accordion-title::before{transform:rotate(45deg)}
    .accordion-content{
      border:0;
      background:rgba(3,10,21,.2);
      color:var(--muted);
      padding:0 22px 20px;
    }

    .contact-panel{
      border-radius:34px;
      border:1px solid rgba(65,214,255,.28);
      background:
        radial-gradient(circle at 15% 0%,rgba(65,214,255,.16),transparent 32%),
        linear-gradient(145deg,rgba(15,38,70,.76),rgba(6,13,27,.78));
      box-shadow:var(--shadow),0 0 46px rgba(65,214,255,.08);
      overflow:hidden;
    }
    .contact-panel .grid-x{align-items:stretch}
    .contact-copy{padding:38px}
    .contact-form{
      padding:30px;
      background:rgba(3,10,21,.32);
      border-left:1px solid rgba(255,255,255,.08);
      height:100%;
    }
    label{
      color:#d5e9f4;
      font-size:14px;
      font-weight:800;
      margin-bottom:8px;
    }
    input[type="text"],input[type="tel"],select,textarea{
      min-height:50px;
      border-radius:16px;
      border:1px solid rgba(135,205,255,.18);
      background:rgba(255,255,255,.06);
      box-shadow:none;
      color:#fff;
      margin-bottom:16px;
      transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
    }
    textarea{min-height:126px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#72879a}
    input[type="text"]:focus,input[type="tel"]:focus,select:focus,textarea:focus{
      border-color:rgba(65,214,255,.55);
      box-shadow:0 0 0 4px rgba(65,214,255,.12);
      background:rgba(255,255,255,.085);
    }
    select option{background:#0b1c35;color:#fff}
    .form-note{font-size:13px;color:#8ea5b8;margin:8px 0 0}

    .site-footer{
      position:relative;
      padding:62px 0 34px;
      background:linear-gradient(180deg,rgba(3,7,14,.18),rgba(2,5,10,.92));
      border-top:1px solid rgba(135,205,255,.14);
    }
    .site-footer::before{
      content:"";
      position:absolute;
      left:0;right:0;top:0;height:1px;
      background:linear-gradient(90deg,transparent,rgba(65,214,255,.58),transparent);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .8fr .9fr;
      gap:36px;
    }
    .footer-title{
      color:#fff;
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      padding:0;margin:0;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#9fb4c7;
      font-size:14px;
    }
    .footer-links a:hover{color:var(--primary)}
    .copyright{
      margin-top:38px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.08);
      color:#71889c;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
    }

    .mobile-tabs{
      display:none;
      position:fixed;
      left:12px;right:12px;bottom:12px;
      z-index:60;
      padding:8px calc(8px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) calc(8px + env(safe-area-inset-left));
      border:1px solid rgba(135,205,255,.18);
      border-radius:24px;
      background:rgba(5,11,22,.84);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 50px rgba(0,0,0,.42);
    }
    .mobile-tabs-inner{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:8px;
    }
    .mobile-tab{
      min-height:52px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:2px;
      border-radius:18px;
      color:#90a7ba;
      font-size:12px;
      font-weight:800;
    }
    .mobile-tab .tab-icon{font-size:18px;line-height:1}
    .mobile-tab.active{
      color:#06111c;
      background:linear-gradient(90deg,var(--primary),var(--primary-2));
      box-shadow:0 0 22px rgba(65,214,255,.23);
    }

    @media (max-width:1023px){
      .site-container{width:min(calc(100% - 32px),var(--container))}
      .section{padding:76px 0}
      .hero{padding:72px 0 54px}
      .hero-copy{padding-right:0}
      .visual-panel{min-height:470px;margin-top:34px}
      .feature-layout,.process-wrap{grid-template-columns:1fr}
      .side-cta{position:relative;top:auto}
      .data-strip{grid-template-columns:repeat(2,1fr)}
      .data-item:nth-child(2){border-right:0}
      .data-item:nth-child(1),.data-item:nth-child(2){border-bottom:1px solid rgba(255,255,255,.08)}
      .bento-grid{grid-template-columns:1fr 1fr}
      .scenario-card.large{grid-column:span 2}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:767px){
      body{padding-bottom:92px}
      .site-container{width:min(calc(100% - 24px),var(--container))}
      .nav-shell{min-height:66px}
      .brand-mark{width:36px;height:36px;border-radius:12px;padding:8px}
      .brand-text{font-size:15px;max-width:210px}
      .desktop-nav{display:none}
      .mobile-tabs{display:block}
      .section,.section-tight{padding:62px 0}
      .hero{padding:56px 0 40px}
      .hero-actions{display:grid;grid-template-columns:1fr;gap:12px}
      .btn{width:100%;min-height:50px}
      .trust-tags{gap:8px}
      .tag{font-size:12px;padding:6px 9px}
      .visual-panel{min-height:auto;padding:16px;border-radius:26px}
      .zone-matrix{grid-template-columns:1fr;gap:12px}
      .zone-tile{min-height:118px}
      .feature-list{grid-template-columns:1fr}
      .card-inner,.main-feature .card-inner{padding:24px}
      .data-strip{grid-template-columns:1fr;border-radius:24px}
      .data-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08);padding:23px 20px}
      .data-item:last-child{border-bottom:0}
      .data-number{font-size:36px}
      .bento-grid{grid-template-columns:1fr}
      .scenario-card.large{grid-column:auto}
      .process-wrap{gap:18px}
      .steps{padding:22px}
      .step{grid-template-columns:46px 1fr;gap:14px}
      .step-num{width:46px;height:46px;border-radius:15px;font-size:13px}
      .step:not(:last-child)::before{left:23px;top:52px}
      .contact-copy,.contact-form{padding:24px}
      .contact-form{border-left:0;border-top:1px solid rgba(255,255,255,.08)}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .copyright{padding-bottom:14px}
    }
    @media (max-width:520px){
      h1{letter-spacing:-.03em}
      .route-line{grid-template-columns:30px 1fr}
      .route-meta{grid-column:2}
      .hud-top{align-items:flex-start;flex-direction:column}
      .section-head{margin-bottom:24px}
      .accordion-title{font-size:15px;padding-right:50px}
    }
    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
    }

/* roulang page: category1 */
:root{
      --bg-0:#030a13;
      --bg-1:#061522;
      --bg-2:#0a2033;
      --card:#0c2437cc;
      --card-strong:#102e46e6;
      --line:rgba(125,218,255,.18);
      --line-strong:rgba(97,224,255,.42);
      --text:#ecf8ff;
      --muted:#a8bdca;
      --weak:#78909f;
      --primary:#39d8ff;
      --primary-2:#6cf7d3;
      --accent:#8b7cff;
      --amber:#f3bd5b;
      --danger-soft:#e98f6a;
      --shadow:0 22px 70px rgba(0,0,0,.38);
      --glow:0 0 28px rgba(57,216,255,.24);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1220px;
      --nav-h:78px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-height:100vh;
      font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
      color:var(--text);
      line-height:1.75;
      background:
        radial-gradient(circle at 12% 8%, rgba(57,216,255,.16), transparent 30%),
        radial-gradient(circle at 82% 0%, rgba(139,124,255,.18), transparent 30%),
        radial-gradient(circle at 65% 70%, rgba(108,247,211,.08), transparent 32%),
        linear-gradient(135deg,var(--bg-0),var(--bg-1) 46%,#020810);
      overflow-x:hidden;
    }

    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.9), rgba(0,0,0,.2) 75%, transparent);
      pointer-events:none;
    }

    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      background:radial-gradient(circle at center, transparent, rgba(0,0,0,.48));
      pointer-events:none;
    }

    a{color:inherit;text-decoration:none;transition:color .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease)}
    a:hover{color:var(--primary)}
    a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
      outline:3px solid rgba(57,216,255,.42);
      outline-offset:3px;
      border-radius:12px;
    }
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    p{margin:0;color:var(--muted)}
    h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.18;font-weight:800;letter-spacing:-.02em}
    ul{margin:0;padding:0}

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

    .site-header{
      position:sticky;
      top:0;
      z-index:1000;
      padding:14px 0;
      background:linear-gradient(180deg, rgba(3,10,19,.86), rgba(3,10,19,.62));
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(125,218,255,.14);
    }

    .nav-shell{
      min-height:52px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
      padding:9px 12px 9px 14px;
      border:1px solid rgba(125,218,255,.14);
      border-radius:999px;
      background:rgba(7,24,38,.64);
      box-shadow:0 16px 42px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.05);
    }

    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:800;
      color:var(--text);
    }

    .brand:hover{color:var(--text)}
    .brand-mark{
      width:38px;
      height:38px;
      flex:0 0 38px;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:4px;
      padding:7px;
      border-radius:13px;
      background:linear-gradient(135deg, rgba(57,216,255,.2), rgba(139,124,255,.14));
      border:1px solid rgba(97,224,255,.34);
      box-shadow:0 0 24px rgba(57,216,255,.22);
    }
    .brand-mark span{
      border-radius:4px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      opacity:.88;
      box-shadow:0 0 10px rgba(57,216,255,.45);
    }
    .brand-text{
      font-size:17px;
      letter-spacing:.01em;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
      max-width:360px;
    }

    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
    }
    .nav-link{
      position:relative;
      min-height:40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:0 18px;
      border-radius:999px;
      color:#c8dce7;
      font-size:15px;
      font-weight:700;
    }
    .nav-link:hover{
      background:rgba(57,216,255,.08);
      color:var(--text);
    }
    .nav-link.active{
      color:#04131d;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 26px rgba(57,216,255,.28);
    }

    main{overflow:hidden}
    .section{
      padding:92px 0;
      position:relative;
    }
    .section.compact{padding:72px 0}
    .section-head{
      max-width:760px;
      margin-bottom:34px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:14px;
      padding:8px 12px;
      border:1px solid rgba(97,224,255,.28);
      border-radius:999px;
      color:#c9fbff;
      background:rgba(57,216,255,.07);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .eyebrow:before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--primary-2);
      box-shadow:0 0 13px var(--primary-2);
    }
    .section h2{
      font-size:clamp(28px,3vw,38px);
      margin-bottom:14px;
    }
    .section-desc{
      font-size:17px;
      max-width:720px;
    }

    .btn{
      min-height:48px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      padding:12px 20px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:800;
      cursor:pointer;
      transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
    }
    .btn-primary{
      color:#03111b;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 12px 34px rgba(57,216,255,.25);
    }
    .btn-primary:hover{
      color:#03111b;
      transform:translateY(-3px);
      box-shadow:0 18px 46px rgba(57,216,255,.34);
    }
    .btn-secondary{
      color:#dff8ff;
      border-color:rgba(97,224,255,.34);
      background:rgba(10,32,51,.56);
      backdrop-filter:blur(12px);
    }
    .btn-secondary:hover{
      color:#fff;
      transform:translateY(-3px);
      border-color:rgba(97,224,255,.62);
      background:rgba(57,216,255,.12);
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#d9fbff;
      font-weight:800;
    }
    .text-link .arrow{transition:transform .22s var(--ease)}
    .text-link:hover .arrow{transform:translateX(4px)}

    .page-hero{
      padding:72px 0 58px;
      min-height:430px;
      display:flex;
      align-items:center;
    }
    .hero-panel{
      position:relative;
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(125,218,255,.18);
      background:
        linear-gradient(135deg, rgba(12,36,55,.82), rgba(6,21,34,.56)),
        radial-gradient(circle at 10% 0%, rgba(57,216,255,.18), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-panel:before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 86% 20%, rgba(108,247,211,.15), transparent 28%),
        linear-gradient(90deg, transparent, rgba(57,216,255,.09), transparent);
      pointer-events:none;
    }
    .hero-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);
      gap:34px;
      align-items:center;
    }
    .breadcrumb{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:18px;
      color:var(--weak);
      font-size:14px;
      font-weight:700;
    }
    .breadcrumb a{color:#ccecff}
    .breadcrumb span{color:#7b96a6}
    .page-hero h1{
      font-size:clamp(34px,5vw,56px);
      max-width:760px;
      margin-bottom:18px;
    }
    .hero-summary{
      max-width:760px;
      font-size:18px;
      color:#c1d5df;
      margin-bottom:24px;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:26px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      min-height:34px;
      padding:6px 12px;
      border-radius:999px;
      color:#cdeaf5;
      border:1px solid rgba(125,218,255,.17);
      background:rgba(255,255,255,.045);
      font-size:13px;
      font-weight:700;
    }
    .tag .dot{
      width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);
    }
    .directory-visual{
      position:relative;
      min-height:320px;
      padding:20px;
      border:1px solid rgba(97,224,255,.2);
      border-radius:26px;
      background:rgba(2,13,24,.46);
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
      overflow:hidden;
    }
    .directory-visual:before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(rgba(57,216,255,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(57,216,255,.08) 1px, transparent 1px);
      background-size:26px 26px;
      opacity:.65;
    }
    .zone-map{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      height:100%;
    }
    .zone-node{
      min-height:132px;
      padding:16px;
      border-radius:20px;
      border:1px solid rgba(125,218,255,.2);
      background:linear-gradient(145deg, rgba(16,46,70,.74), rgba(7,24,38,.7));
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      transition:transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
    }
    .zone-node:hover{
      transform:translateY(-4px);
      border-color:rgba(97,224,255,.48);
      box-shadow:var(--glow);
    }
    .zone-node strong{font-size:20px;color:#f1fbff}
    .zone-node small{color:var(--muted);font-weight:700}
    .zone-line{
      height:4px;
      width:66%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--primary),transparent);
      opacity:.75;
    }

    .guide-layout{
      display:grid;
      grid-template-columns:310px minmax(0,1fr);
      gap:28px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:104px;
      padding:22px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(125,218,255,.18);
      background:linear-gradient(180deg, rgba(12,36,55,.78), rgba(7,24,38,.58));
      box-shadow:var(--shadow);
    }
    .side-panel h2{
      font-size:22px;
      margin-bottom:10px;
    }
    .side-note{
      color:var(--muted);
      font-size:14px;
      margin-bottom:20px;
    }
    .filter-group{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-bottom:22px;
    }
    .filter-pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:38px;
      padding:8px 13px;
      border-radius:999px;
      border:1px solid rgba(125,218,255,.17);
      background:rgba(255,255,255,.04);
      color:#d8edf6;
      font-size:14px;
      font-weight:800;
      cursor:pointer;
      transition:all .22s var(--ease);
    }
    .filter-pill:hover{
      border-color:rgba(97,224,255,.5);
      background:rgba(57,216,255,.1);
      color:#fff;
    }
    .filter-pill.active{
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#03111b;
      border-color:transparent;
      box-shadow:0 0 24px rgba(57,216,255,.22);
    }
    .status-list{
      list-style:none;
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .status-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:12px;
      border-radius:14px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.06);
      color:#bdd3df;
      font-size:14px;
    }
    .status-dot{
      width:9px;
      height:9px;
      margin-top:8px;
      border-radius:50%;
      background:var(--primary-2);
      box-shadow:0 0 13px rgba(108,247,211,.8);
      flex:0 0 9px;
    }
    .status-dot.amber{background:var(--amber);box-shadow:0 0 13px rgba(243,189,91,.7)}

    .search-card{
      margin-bottom:18px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(125,218,255,.14);
      display:flex;
      align-items:center;
      gap:12px;
    }
    .search-card label{
      position:absolute;
      width:1px;
      height:1px;
      overflow:hidden;
      clip:rect(0,0,0,0);
    }
    .search-card input{
      width:100%;
      height:46px;
      border:1px solid rgba(125,218,255,.18);
      border-radius:999px;
      background:rgba(2,13,24,.5);
      color:var(--text);
      padding:0 16px;
      box-shadow:none;
      margin:0;
    }
    .search-card input::placeholder{color:#6e8796}
    .search-card input:focus{
      background:rgba(2,13,24,.76);
      border-color:rgba(97,224,255,.52);
      box-shadow:0 0 0 4px rgba(57,216,255,.08);
    }

    .list-stack{
      display:grid;
      gap:16px;
    }
    .index-card{
      position:relative;
      display:grid;
      grid-template-columns:74px minmax(0,1fr) auto;
      gap:18px;
      align-items:center;
      padding:20px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(125,218,255,.16);
      background:linear-gradient(135deg, rgba(12,36,55,.78), rgba(5,18,30,.66));
      box-shadow:0 16px 42px rgba(0,0,0,.22);
      overflow:hidden;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
    }
    .index-card:before{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(57,216,255,.06), transparent 34%);
      opacity:0;
      transition:opacity .22s var(--ease);
    }
    .index-card:hover{
      transform:translateY(-5px);
      border-color:rgba(97,224,255,.42);
      background:linear-gradient(135deg, rgba(16,46,70,.86), rgba(5,18,30,.72));
      box-shadow:0 22px 58px rgba(0,0,0,.32), var(--glow);
    }
    .index-card:hover:before{opacity:1}
    .item-code{
      position:relative;
      z-index:1;
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      border-radius:18px;
      background:rgba(57,216,255,.08);
      border:1px solid rgba(97,224,255,.28);
      color:#caffff;
      font-weight:900;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
    }
    .item-main{position:relative;z-index:1;min-width:0}
    .meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:9px;
      margin-bottom:8px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      padding:4px 9px;
      border-radius:999px;
      color:#061522;
      background:linear-gradient(135deg, rgba(57,216,255,.95), rgba(108,247,211,.92));
      font-size:12px;
      font-weight:900;
      line-height:1.3;
    }
    .badge.ghost{
      color:#cbeffc;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(125,218,255,.16);
    }
    .date{
      color:#86a0ad;
      font-size:13px;
      font-weight:700;
    }
    .index-card h3{
      font-size:21px;
      margin-bottom:7px;
    }
    .index-card p{
      color:#a9bfcb;
      font-size:15px;
      line-height:1.65;
    }
    .arrow-btn{
      position:relative;
      z-index:1;
      width:46px;
      height:46px;
      display:grid;
      place-items:center;
      border-radius:50%;
      border:1px solid rgba(97,224,255,.3);
      background:rgba(57,216,255,.06);
      color:#d9fbff;
      font-size:22px;
      font-weight:800;
      transition:transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
    }
    .index-card:hover .arrow-btn{
      transform:translateX(4px);
      background:rgba(57,216,255,.14);
      border-color:rgba(97,224,255,.58);
    }

    .metric-band{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:1px;
      border:1px solid rgba(125,218,255,.16);
      border-radius:var(--radius-xl);
      overflow:hidden;
      background:rgba(125,218,255,.1);
      box-shadow:var(--shadow);
    }
    .metric{
      padding:26px 22px;
      background:rgba(7,24,38,.72);
    }
    .metric strong{
      display:block;
      font-size:clamp(30px,4vw,48px);
      line-height:1;
      color:#dffcff;
      text-shadow:0 0 18px rgba(57,216,255,.36);
      margin-bottom:10px;
    }
    .metric span{
      display:block;
      color:#b0c6d2;
      font-size:14px;
      font-weight:700;
    }

    .process-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:28px;
      align-items:stretch;
    }
    .steps{
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(125,218,255,.16);
      background:rgba(12,36,55,.64);
      box-shadow:var(--shadow);
    }
    .step-item{
      position:relative;
      display:grid;
      grid-template-columns:44px minmax(0,1fr);
      gap:14px;
      padding-bottom:22px;
    }
    .step-item:not(:last-child):after{
      content:"";
      position:absolute;
      left:21px;
      top:48px;
      bottom:0;
      width:1px;
      background:linear-gradient(to bottom, rgba(97,224,255,.55), transparent);
    }
    .step-num{
      width:44px;
      height:44px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#03111b;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:900;
      box-shadow:0 0 20px rgba(57,216,255,.25);
    }
    .step-item h3{font-size:19px;margin-bottom:5px}
    .step-item p{font-size:15px;color:#aac0cc}
    .notice-card{
      padding:28px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(125,218,255,.18);
      background:
        radial-gradient(circle at 84% 18%, rgba(139,124,255,.18), transparent 34%),
        linear-gradient(145deg, rgba(16,46,70,.78), rgba(6,21,34,.72));
      box-shadow:var(--shadow);
    }
    .notice-card h3{font-size:25px;margin-bottom:12px}
    .notice-card p{margin-bottom:18px}
    .check-list{
      list-style:none;
      display:grid;
      gap:12px;
      margin-top:18px;
    }
    .check-list li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#c3d8e2;
      font-size:15px;
    }
    .check-list li:before{
      content:"✓";
      width:22px;
      height:22px;
      flex:0 0 22px;
      display:grid;
      place-items:center;
      border-radius:50%;
      color:#03111b;
      background:var(--primary-2);
      font-size:13px;
      font-weight:900;
      margin-top:2px;
    }

    .accordion{
      background:transparent;
    }
    .faq-wrap{
      display:grid;
      gap:12px;
    }
    .accordion-item{
      border:1px solid rgba(125,218,255,.16);
      border-radius:18px;
      overflow:hidden;
      background:rgba(12,36,55,.58);
      margin-bottom:12px;
      transition:border-color .22s var(--ease), background .22s var(--ease);
    }
    .accordion-item:hover{
      border-color:rgba(97,224,255,.4);
      background:rgba(16,46,70,.62);
    }
    .accordion-title{
      min-height:58px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:18px 22px;
      border:0;
      color:#effbff;
      font-size:17px;
      font-weight:800;
      background:transparent;
    }
    .accordion-title:hover,.accordion-title:focus{
      color:#effbff;
      background:rgba(57,216,255,.07);
    }
    .accordion-title:before{
      right:18px;
      margin-top:-12px;
      color:var(--primary);
      font-size:24px;
    }
    .accordion-content{
      padding:0 22px 20px;
      border:0;
      color:#adc4cf;
      background:rgba(255,255,255,.018);
      font-size:15px;
      line-height:1.75;
    }

    .cta-panel{
      display:grid;
      grid-template-columns:minmax(0,1fr) 390px;
      gap:28px;
      padding:34px;
      border-radius:var(--radius-xl);
      border:1px solid rgba(97,224,255,.24);
      background:
        radial-gradient(circle at 4% 0%, rgba(57,216,255,.22), transparent 36%),
        radial-gradient(circle at 96% 18%, rgba(108,247,211,.13), transparent 32%),
        linear-gradient(135deg, rgba(12,36,55,.86), rgba(4,16,27,.78));
      box-shadow:var(--shadow), 0 0 48px rgba(57,216,255,.08);
      align-items:start;
    }
    .cta-panel h2{font-size:clamp(28px,3.6vw,42px);margin-bottom:14px}
    .cta-panel p{font-size:17px;max-width:680px}
    .feedback-form{
      display:grid;
      gap:12px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(125,218,255,.15);
      background:rgba(2,13,24,.36);
    }
    .field label{
      display:block;
      margin-bottom:7px;
      color:#d6ecf6;
      font-size:13px;
      font-weight:800;
    }
    .field input,.field textarea,.field select{
      width:100%;
      min-height:50px;
      margin:0;
      border:1px solid rgba(125,218,255,.18);
      border-radius:15px;
      background:rgba(5,18,30,.78);
      color:var(--text);
      padding:12px 14px;
      box-shadow:none;
    }
    .field textarea{
      min-height:112px;
      resize:vertical;
    }
    .field input::placeholder,.field textarea::placeholder{color:#708895}
    .field input:focus,.field textarea:focus,.field select:focus{
      border-color:rgba(97,224,255,.56);
      background:rgba(7,24,38,.92);
      box-shadow:0 0 0 4px rgba(57,216,255,.08);
    }
    .form-note{
      color:#8fa7b4;
      font-size:13px;
      line-height:1.55;
    }

    .site-footer{
      position:relative;
      padding:58px 0 28px;
      background:linear-gradient(180deg, rgba(2,8,15,.3), rgba(1,5,10,.92));
      border-top:1px solid rgba(125,218,255,.14);
    }
    .site-footer:before{
      content:"";
      position:absolute;
      top:-1px;
      left:10%;
      right:10%;
      height:1px;
      background:linear-gradient(90deg, transparent, rgba(57,216,255,.55), transparent);
      box-shadow:0 0 18px rgba(57,216,255,.55);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .7fr;
      gap:34px;
      align-items:start;
    }
    .site-footer p{
      color:#91a8b5;
      font-size:14px;
    }
    .footer-title{
      color:#e9f8ff;
      font-size:15px;
      font-weight:900;
      margin-bottom:14px;
    }
    .footer-links{
      list-style:none;
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:#94aeba;
      font-size:14px;
      font-weight:700;
    }
    .footer-links a:hover{
      color:var(--primary);
      padding-left:3px;
    }
    .copyright{
      margin-top:34px;
      padding-top:18px;
      border-top:1px solid rgba(125,218,255,.12);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      color:#76909f;
      font-size:13px;
    }

    .mobile-tab{
      display:none;
      position:fixed;
      left:12px;
      right:12px;
      bottom:12px;
      z-index:1100;
      padding:8px calc(8px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) calc(8px + env(safe-area-inset-left));
      border:1px solid rgba(125,218,255,.18);
      border-radius:24px;
      background:rgba(3,10,19,.84);
      backdrop-filter:blur(18px);
      box-shadow:0 18px 50px rgba(0,0,0,.42);
    }
    .mobile-tab-inner{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:8px;
    }
    .tab-link{
      min-height:52px;
      display:flex;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:4px;
      border-radius:18px;
      color:#9eb5c2;
      font-size:12px;
      font-weight:800;
    }
    .tab-icon{
      width:20px;
      height:20px;
      position:relative;
    }
    .tab-icon:before,.tab-icon:after{
      content:"";
      position:absolute;
      inset:3px;
      border:2px solid currentColor;
      border-radius:6px;
    }
    .tab-icon.grid:after{
      inset:8px 3px 3px 8px;
      background:currentColor;
      border:0;
      opacity:.65;
    }
    .tab-link.active{
      color:#061522;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      box-shadow:0 0 24px rgba(57,216,255,.28);
    }

    @media (max-width:1024px){
      .site-container{width:min(calc(100% - 32px),var(--container))}
      .hero-content{grid-template-columns:1fr;gap:26px}
      .directory-visual{min-height:280px}
      .guide-layout{grid-template-columns:270px minmax(0,1fr);gap:20px}
      .metric-band{grid-template-columns:repeat(2,1fr)}
      .process-grid{grid-template-columns:1fr}
      .cta-panel{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:768px){
      body{padding-bottom:88px}
      .site-header{padding:10px 0}
      .nav-shell{
        border-radius:22px;
        padding:8px 10px;
      }
      .desktop-nav{display:none}
      .brand-text{max-width:calc(100vw - 110px);font-size:15px}
      .brand-mark{width:34px;height:34px;flex-basis:34px;border-radius:12px}
      .mobile-tab{display:block}
      .section{padding:64px 0}
      .section.compact{padding:54px 0}
      .page-hero{padding:42px 0 34px}
      .hero-panel{padding:22px;border-radius:24px}
      .page-hero h1{font-size:clamp(32px,10vw,40px)}
      .hero-summary{font-size:16px}
      .hero-actions{flex-direction:column}
      .btn{width:100%;min-height:50px}
      .zone-map{gap:10px}
      .zone-node{min-height:112px;padding:13px;border-radius:17px}
      .zone-node strong{font-size:17px}
      .guide-layout{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .filter-group{
        flex-wrap:nowrap;
        overflow-x:auto;
        padding-bottom:6px;
        scrollbar-width:none;
      }
      .filter-group::-webkit-scrollbar{display:none}
      .filter-pill{flex:0 0 auto}
      .index-card{
        grid-template-columns:1fr;
        gap:12px;
        padding:18px;
      }
      .item-code{width:52px;height:52px}
      .arrow-btn{width:42px;height:42px}
      .metric-band{grid-template-columns:1fr}
      .metric{padding:22px 18px}
      .cta-panel{padding:22px;border-radius:24px}
      .feedback-form{padding:14px}
      .footer-grid{grid-template-columns:1fr;gap:26px}
      .copyright{padding-bottom:14px}
    }

    @media (max-width:520px){
      .site-container{width:min(calc(100% - 24px),var(--container))}
      .hero-panel{padding:18px}
      .directory-visual{padding:14px;min-height:250px}
      .zone-node{min-height:104px}
      .tag-row{gap:8px}
      .tag{font-size:12px;padding:6px 10px}
      .search-card{padding:12px}
      .index-card h3{font-size:19px}
      .accordion-title{padding:16px 18px;font-size:16px}
      .accordion-content{padding:0 18px 18px}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        animation-duration:.001ms!important;
        animation-iteration-count:1!important;
        scroll-behavior:auto!important;
        transition-duration:.001ms!important;
      }
    }