/* roulang page: index */
:root {
      --primary: #0F8F86;
      --primary-hover: #0C7C74;
      --primary-active: #0A6B64;
      --ink: #16303A;
      --amber: #E7A23A;
      --amber-soft: #F8E7C7;
      --bg: #F3F6F7;
      --bg-mint: #E7F3F1;
      --card: #FFFFFF;
      --night: #0C1418;
      --night-2: #121C22;
      --text: #1A242B;
      --muted: #5B6B73;
      --invert: #E8EEF0;
      --line: #D5E1E4;
      --mint: #7DC9B8;
      --danger: #C47A2C;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tile: 10px;
      --radius-input: 8px;
      --shadow: 0 8px 24px rgba(22, 48, 58, .08);
      --shadow-hover: 0 12px 28px rgba(22, 48, 58, .12);
      --container: 1200px;
      --gutter: 24px;
      --header-top: 38px;
      --header-main: 72px;
      --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: hidden; }
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      line-height: 1.75;
      font-size: 16px;
      font-weight: 400;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--primary); text-decoration: none; transition: color var(--ease), opacity var(--ease); }
    a:hover { color: var(--primary-hover); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    table { border-collapse: collapse; width: 100%; }
    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    .skip-link {
      position: absolute;
      left: 12px;
      top: -48px;
      z-index: 80;
      background: var(--primary);
      color: #fff;
      padding: 8px 14px;
      border-radius: var(--radius-btn);
    }
    .skip-link:focus { top: 12px; color: #fff; }
    .container {
      width: min(100% - var(--gutter) * 2, var(--container));
      margin: 0 auto;
    }
    .num { font-variant-numeric: tabular-nums; letter-spacing: -.03em; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: var(--card);
    }
    .topbar {
      height: var(--header-top);
      background: var(--ink);
      color: var(--invert);
      font-size: 12px;
      display: flex;
      align-items: center;
    }
    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: min(100% - var(--gutter) * 2, var(--container));
      margin: 0 auto;
    }
    .topbar a { color: var(--invert); }
    .topbar a:hover { color: var(--mint); }
    .topbar-left, .topbar-right {
      display: flex;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
    }
    .trust-tags { display: flex; gap: 8px; }
    .trust-tags span {
      border: 1px solid rgba(232, 238, 240, .28);
      padding: 1px 8px;
      border-radius: 4px;
      color: #C9D6DA;
      letter-spacing: .04em;
    }
    .nav-row {
      height: var(--header-main);
      display: flex;
      align-items: center;
      border-bottom: 1px solid transparent;
      background: #fff;
      transition: height var(--ease), border-color var(--ease);
    }
    .site-header.is-compact .nav-row {
      height: 56px;
      border-bottom-color: var(--line);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      width: min(100% - var(--gutter) * 2, var(--container));
      margin: 0 auto;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      flex-shrink: 0;
    }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--primary);
      color: #fff;
      display: grid;
      place-items: center;
      font-weight: 700;
      font-size: 15px;
    }
    .logo-text { font-weight: 700; font-size: 16px; letter-spacing: .02em; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }
    .nav-links a {
      position: relative;
      color: var(--text);
      font-size: 14px;
      font-weight: 500;
      padding: 8px 10px;
      border-radius: 6px;
    }
    .nav-links a:hover { color: var(--primary); background: var(--bg-mint); }
    .nav-links a.is-active { color: var(--primary); }
    .nav-links a.is-active::after {
      content: "";
      position: absolute;
      left: 10px;
      right: 10px;
      bottom: 4px;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 8px;
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--ink);
      border-radius: 1px;
    }
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(12, 20, 24, .46);
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--ease);
      z-index: 60;
    }
    .drawer {
      position: fixed;
      top: 0;
      right: 0;
      width: min(100%, 360px);
      height: 100%;
      background: var(--ink);
      color: var(--invert);
      z-index: 61;
      transform: translateX(100%);
      transition: transform .28s ease;
      padding: 28px 22px;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    body.menu-open .drawer-overlay { opacity: 1; pointer-events: auto; }
    body.menu-open .drawer { transform: translateX(0); }
    .drawer-top { display: flex; justify-content: space-between; align-items: center; }
    .drawer-close {
      width: 44px;
      height: 44px;
      color: #fff;
      font-size: 28px;
      line-height: 1;
    }
    .drawer-links { display: flex; flex-direction: column; gap: 4px; }
    .drawer-links a {
      color: var(--invert);
      padding: 12px 10px;
      border-left: 3px solid transparent;
      min-height: 44px;
    }
    .drawer-links a.is-active, .drawer-links a:hover {
      border-left-color: var(--primary);
      background: rgba(15, 143, 134, .16);
      color: #fff;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-btn);
      font-weight: 500;
      font-size: 14px;
      border: 1px solid transparent;
      transition: background var(--ease), border-color var(--ease), transform .15s ease, box-shadow var(--ease), color var(--ease);
      white-space: nowrap;
    }
    .btn:active { transform: translateY(1px); }
    .btn-primary { background: var(--primary); color: #fff; }
    .btn-primary:hover { background: var(--primary-hover); color: #fff; }
    .btn-ghost {
      background: transparent;
      color: #fff;
      border-color: rgba(232, 238, 240, .45);
    }
    .btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.06); }
    .btn-line {
      background: #fff;
      color: var(--ink);
      border-color: var(--ink);
    }
    .btn-line:hover { border-color: var(--primary); color: var(--primary); }
    .btn-on-dark {
      background: transparent;
      color: #fff;
      border-color: var(--primary);
    }
    .btn-on-dark:hover { background: var(--primary); color: #fff; }
    .hero {
      position: relative;
      background: var(--night);
      color: var(--invert);
    }
    .hero-slider {
      position: relative;
      min-height: 640px;
      overflow: hidden;
    }
    .slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      visibility: hidden;
      transition: opacity .6s ease;
    }
    .slide.is-active {
      opacity: 1;
      visibility: visible;
      position: relative;
    }
    .slide img {
      width: 100%;
      height: 640px;
      object-fit: cover;
      filter: saturate(.86) contrast(1.05);
    }
    .slide-mask {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(12, 20, 24, .88) 0%, rgba(12, 20, 24, .62) 46%, rgba(12, 20, 24, .28) 100%),
        linear-gradient(180deg, rgba(12, 20, 24, .18), rgba(12, 20, 24, .55));
    }
    .slide-copy {
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
      display: flex;
      align-items: center;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--mint);
      margin-bottom: 14px;
    }
    .kicker i {
      width: 18px;
      height: 2px;
      background: var(--primary);
      display: inline-block;
    }
    .hero h1, .hero-title {
      font-size: 40px;
      line-height: 1.28;
      font-weight: 700;
      color: #F4F8F9;
      max-width: 16em;
      margin-bottom: 12px;
    }
    .hero-sub {
      font-size: 18px;
      color: #C5D2D6;
      margin-bottom: 16px;
      max-width: 28em;
    }
    .hero-lead {
      max-width: 42em;
      color: #D5DEE1;
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }
    .param-bar {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 10px;
      max-width: 760px;
    }
    .param-item {
      border: 1px solid rgba(213, 225, 228, .22);
      background: rgba(12, 20, 24, .42);
      border-radius: 10px;
      padding: 10px 12px;
    }
    .param-item b {
      display: block;
      font-size: 18px;
      font-variant-numeric: tabular-nums;
      color: #fff;
      letter-spacing: -.03em;
    }
    .param-item span { font-size: 12px; color: #9AADB4; }
    .hero-controls {
      position: absolute;
      right: max(24px, calc((100% - var(--container)) / 2));
      bottom: 28px;
      display: flex;
      align-items: center;
      gap: 10px;
      z-index: 3;
    }
    .hero-arrow, .hero-pause {
      width: 44px;
      height: 44px;
      border-radius: 8px;
      border: 1px solid rgba(232, 238, 240, .3);
      color: #fff;
      background: rgba(12, 20, 24, .45);
    }
    .hero-arrow:hover, .hero-pause:hover { border-color: var(--primary); color: var(--mint); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(255,255,255,.35);
    }
    .hero-dots button.is-active { background: var(--primary); width: 22px; border-radius: 8px; }
    .kpi-dock {
      position: relative;
      margin-top: -42px;
      z-index: 4;
    }
    .kpi-mini {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 14px;
    }
    .kpi-mini article {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-tile);
      box-shadow: var(--shadow);
      padding: 16px 18px;
    }
    .kpi-mini .label { font-size: 12px; color: var(--muted); }
    .kpi-mini strong {
      display: block;
      font-size: 28px;
      line-height: 1.2;
      margin: 4px 0;
      font-variant-numeric: tabular-nums;
      letter-spacing: -.04em;
    }
    .kpi-mini .meta { font-size: 12px; color: var(--muted); }
    .delta-up { color: var(--primary); font-weight: 500; }
    .delta-down { color: var(--amber); font-weight: 500; }
    main section { padding: 88px 0; }
    .section-head { margin-bottom: 32px; max-width: 42em; }
    .section-head h2 {
      font-size: 28px;
      line-height: 1.35;
      margin-bottom: 12px;
      color: var(--ink);
    }
    .section-head p { color: var(--muted); }
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 500;
    }
    .badge-teal { background: var(--primary); color: #fff; }
    .badge-amber { background: var(--amber-soft); color: #8A5A12; }
    .badge-ink { background: #E4ECEE; color: var(--ink); }
    #dashboard { background: var(--bg); padding-top: 72px; }
    .sell-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-bottom: 22px;
    }
    .sell-row article {
      background: var(--bg-mint);
      border-radius: 10px;
      padding: 16px 18px;
      border: 1px solid #D4E8E5;
    }
    .sell-row h3 { font-size: 16px; margin-bottom: 6px; }
    .sell-row p { font-size: 14px; color: var(--muted); }
    .tile-grid {
      display: grid;
      grid-template-columns: repeat(6, minmax(0, 1fr));
      gap: 14px;
    }
    .tile {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-tile);
      padding: 16px;
      min-height: 148px;
      box-shadow: var(--shadow);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .tile:hover {
      transform: translateY(-3px);
      border-color: var(--primary);
      box-shadow: var(--shadow-hover);
    }
    .tile.span-2 { grid-column: span 2; }
    .tile .t-label { font-size: 12px; color: var(--muted); }
    .tile .t-value {
      font-size: 32px;
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      letter-spacing: -.04em;
      line-height: 1.15;
      margin: 8px 0 6px;
      color: var(--ink);
    }
    .tile .t-note { font-size: 11px; color: #7A8B92; }
    .spark {
      margin-top: 10px;
      height: 42px;
    }
    #overview { background: #fff; }
    .split-75 {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 48px;
      align-items: center;
    }
    .split-75 .pic {
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
    }
    .split-75 .pic img { width: 100%; height: 420px; object-fit: cover; }
    .fact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 22px;
    }
    .fact {
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 14px 16px;
      background: var(--bg);
    }
    .fact h3 { font-size: 15px; margin-bottom: 6px; }
    .fact p { font-size: 13px; color: var(--muted); }
    .verify {
      margin-top: 18px;
      padding: 14px 16px;
      border-left: 3px solid var(--primary);
      background: var(--bg-mint);
      font-size: 14px;
    }
    #capabilities { background: var(--bg); }
    .matrix {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .m-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      padding: 22px;
      box-shadow: var(--shadow);
      min-height: 250px;
      transition: transform var(--ease), border-color var(--ease);
      position: relative;
    }
    .m-card:hover { transform: translateY(-3px); border-color: var(--primary); }
    .m-no {
      font-variant-numeric: tabular-nums;
      font-size: 12px;
      color: var(--primary);
      letter-spacing: .12em;
      margin-bottom: 10px;
    }
    .m-card h3 { font-size: 18px; margin: 8px 0 10px; }
    .m-card p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
    .m-result {
      font-size: 13px;
      padding-top: 12px;
      border-top: 1px solid var(--line);
      color: var(--ink);
    }
    #modules { background: #fff; }
    .module-row {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
    }
    .mod {
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      overflow: hidden;
      background: #fff;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      transition: transform var(--ease), border-color var(--ease);
    }
    .mod:hover { transform: translateY(-3px); border-color: var(--primary); }
    .mod img { width: 100%; height: 190px; object-fit: cover; }
    .mod-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .mod-body h3 { font-size: 18px; }
    .mod-body ul { display: grid; gap: 6px; }
    .mod-body li {
      font-size: 14px;
      color: var(--muted);
      padding-left: 12px;
      position: relative;
    }
    .mod-body li::before {
      content: "";
      width: 5px;
      height: 5px;
      background: var(--primary);
      border-radius: 50%;
      position: absolute;
      left: 0;
      top: 9px;
    }
    .mod-foot {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: auto;
      padding-top: 8px;
    }
    #compare { background: var(--bg-mint); }
    .compare-wrap {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .compare-table th, .compare-table td {
      padding: 14px 18px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--line);
      vertical-align: middle;
    }
    .compare-table th {
      background: var(--ink);
      color: var(--invert);
      font-weight: 500;
    }
    .compare-table tr:nth-child(even) td { background: #F7FBFA; }
    .amp { color: #8A5A12; background: var(--amber-soft); padding: 2px 8px; border-radius: 4px; font-weight: 700; font-variant-numeric: tabular-nums; }
    #principles {
      background:
        linear-gradient(rgba(12,20,24,.08), rgba(12,20,24,.08)),
        var(--night);
      color: var(--invert);
      background-image:
        linear-gradient(rgba(15, 143, 134, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 143, 134, .08) 1px, transparent 1px);
      background-size: 28px 28px;
      background-color: var(--night);
    }
    #principles h2, #principles h3 { color: #F3F7F8; }
    .dark-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 36px;
    }
    .principle-list { display: grid; gap: 14px; }
    .principle-list article {
      border: 1px solid rgba(213,225,228,.18);
      border-radius: 10px;
      padding: 16px 18px;
      background: rgba(18, 28, 34, .72);
    }
    .principle-list h3 { font-size: 16px; margin-bottom: 6px; }
    .principle-list p { color: #B7C5CA; font-size: 14px; }
    .case-panel {
      background: #121C22;
      border: 1px solid rgba(15, 143, 134, .35);
      border-radius: 12px;
      padding: 22px;
    }
    .case-panel dl { display: grid; gap: 10px; margin-top: 12px; }
    .case-panel dt { font-size: 12px; color: #8AA0A8; }
    .case-panel dd { margin: 0; font-size: 15px; }
    #milestones { background: #fff; }
    .timeline {
      display: grid;
      grid-template-columns: repeat(5, minmax(0, 1fr));
      gap: 12px;
      position: relative;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 18px;
      height: 2px;
      background: #D5E8E5;
    }
    .tl {
      position: relative;
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 22px 16px 16px;
      margin-top: 28px;
    }
    .tl .dot {
      position: absolute;
      top: -34px;
      left: 18px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 0 4px #D8EFEC;
    }
    .tl .when { font-size: 12px; color: var(--primary); font-weight: 700; }
    .tl h3 { font-size: 16px; margin: 6px 0; }
    .tl p { font-size: 13px; color: var(--muted); }
    #scenes { background: var(--bg); }
    .scene-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
    .scene {
      display: grid;
      grid-template-columns: 168px 1fr;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
      min-height: 180px;
      transition: border-color var(--ease), transform var(--ease);
    }
    .scene:hover { border-color: var(--primary); transform: translateY(-2px); }
    .scene img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .scene-body { padding: 18px 20px; }
    .scene-body h3 { font-size: 18px; margin: 6px 0 10px; }
    .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
    #stories { background: #fff; }
    .story {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 24px;
      padding: 22px 0;
      border-bottom: 1px solid var(--line);
      align-items: center;
    }
    .story:last-child { border-bottom: 0; }
    .story img {
      width: 220px;
      height: 150px;
      object-fit: cover;
      border-radius: 12px;
    }
    .quote { font-size: 16px; color: var(--ink); margin: 8px 0 10px; }
    #stats { background: var(--bg-mint); padding: 56px 0; }
    .stat-row {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }
    .stat {
      text-align: left;
      padding: 8px 8px 8px 16px;
      border-left: 3px solid var(--primary);
    }
    .stat b {
      display: block;
      font-size: 36px;
      font-variant-numeric: tabular-nums;
      letter-spacing: -.04em;
      color: var(--ink);
      line-height: 1.1;
    }
    .stat span { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
    #reviews { background: #fff; }
    .review-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr 1fr;
      gap: 16px;
      align-items: start;
    }
    .review {
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 20px;
    }
    .review:nth-child(2) { margin-top: 28px; }
    .review:nth-child(3) { margin-top: 12px; }
    .review p { font-size: 14px; color: var(--text); margin: 10px 0 0; }
    #news { background: var(--bg); }
    .news-list { display: grid; gap: 14px; }
    .news-item {
      display: grid;
      grid-template-columns: 168px 1fr auto;
      gap: 16px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
      align-items: center;
    }
    .news-item img { width: 168px; height: 110px; object-fit: cover; }
    .news-item h3 { font-size: 17px; margin-bottom: 6px; }
    .news-item p, .news-item summary { font-size: 14px; color: var(--muted); }
    .news-item time { font-size: 12px; color: #7A8B92; display: block; margin-bottom: 4px; }
    .news-more { margin-top: 18px; }
    details.news-extra { color: var(--muted); font-size: 14px; }
    details.news-extra summary { cursor: pointer; list-style: none; color: var(--primary); }
    details.news-extra summary::-webkit-details-marker { display: none; }
    #security { background: #fff; }
    .secure-split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 36px;
      align-items: center;
    }
    .secure-list { display: grid; gap: 12px; }
    .secure-list article {
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 16px 18px;
      background: var(--bg);
    }
    .secure-list h3 { font-size: 16px; margin-bottom: 6px; }
    .secure-list p { font-size: 14px; color: var(--muted); }
    .secure-pic {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--line);
      position: relative;
    }
    .secure-pic img { width: 100%; height: 460px; object-fit: cover; }
    .secure-caption {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      background: rgba(12, 20, 24, .82);
      color: #fff;
      padding: 12px 14px;
      border-radius: 8px;
      font-size: 13px;
    }
    #quick { background: var(--bg-mint); padding-bottom: 40px; }
    .quick-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 14px;
    }
    .q-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 18px;
      text-align: left;
      min-height: 150px;
      color: inherit;
      display: block;
      transition: border-color var(--ease), transform var(--ease);
    }
    .q-card:hover { border-color: var(--primary); transform: translateY(-2px); color: inherit; }
    .q-card h3 { font-size: 16px; margin-bottom: 8px; }
    .q-card p { font-size: 13px; color: var(--muted); }
    #faq { background: #fff; padding-top: 48px; }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item {
      border: 1px solid var(--line);
      border-radius: 10px;
      background: #fff;
      overflow: hidden;
    }
    .faq-item[open] { border-color: var(--primary); }
    .faq-item summary {
      cursor: pointer;
      padding: 16px 18px;
      font-weight: 500;
      list-style: none;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      min-height: 52px;
      align-items: center;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary::after {
      content: "+";
      color: var(--primary);
      font-size: 20px;
      line-height: 1;
    }
    .faq-item[open] summary::after { content: "–"; }
    .faq-item .ans { padding: 0 18px 16px; color: var(--muted); font-size: 14px; }
    #apply { background: var(--bg); }
    .apply-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 32px;
      align-items: start;
    }
    .deliver { display: grid; gap: 10px; margin-top: 16px; }
    .deliver li {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 12px 14px;
      font-size: 14px;
    }
    .form-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow);
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 500; color: var(--ink); }
    input, select, textarea {
      height: 48px;
      border: 1px solid var(--line);
      border-radius: var(--radius-input);
      padding: 0 12px;
      background: #fff;
      color: var(--text);
      width: 100%;
    }
    textarea { height: 110px; padding: 12px; resize: vertical; }
    input:focus, select:focus, textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 143, 134, .15);
      outline: none;
    }
    .field.has-error input, .field.has-error select, .field.has-error textarea {
      border-color: var(--amber);
    }
    .err { color: #8A5A12; font-size: 12px; min-height: 16px; }
    .form-ok {
      background: var(--bg-mint);
      border: 1px solid #B9DDD7;
      color: var(--ink);
      padding: 14px 16px;
      border-radius: 8px;
      margin-bottom: 14px;
    }
    .form-side {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      margin-top: 12px;
      font-size: 13px;
      color: var(--muted);
      flex-wrap: wrap;
    }
    #cta-bar {
      background: var(--night);
      padding: 36px 0;
      color: var(--invert);
    }
    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    #cta-bar h2 { color: #fff; font-size: 24px; margin: 0; }
    .site-footer {
      background: #10181C;
      color: #C5D0D4;
      padding: 56px 0 20px;
      font-size: 14px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    .site-footer h3 { color: #fff; font-size: 15px; margin-bottom: 12px; }
    .site-footer a { color: #C5D0D4; }
    .site-footer a:hover { color: var(--mint); }
    .foot-links { display: grid; gap: 8px; }
    .copy {
      border-top: 1px solid rgba(213,225,228,.14);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 12px;
      color: #8B9BA1;
    }
    @media (max-width: 1280px) {
      .hero h1, .hero-title { font-size: 36px; }
    }
    @media (max-width: 1024px) {
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .tile-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
      .tile.span-2 { grid-column: span 3; }
      .split-75, .dark-grid, .secure-split, .apply-grid { grid-template-columns: 1fr; }
      .split-75 .pic img, .secure-pic img { height: 320px; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .review-grid { grid-template-columns: 1fr; }
      .review:nth-child(2), .review:nth-child(3) { margin-top: 0; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .param-bar { grid-template-columns: 1fr 1fr; }
      .quick-grid { grid-template-columns: 1fr 1fr; }
      .hero-slider, .slide img { min-height: 580px; height: 580px; }
    }
    @media (max-width: 768px) {
      main section { padding: 56px 0; }
      .section-head h2, #cta-bar h2 { font-size: 22px; }
      .hero h1, .hero-title { font-size: 28px; }
      .hero-sub { font-size: 16px; }
      .hero-slider, .slide img { min-height: 560px; height: auto; min-height: 560px; }
      .slide img { height: 560px; }
      .kpi-mini, .sell-row, .matrix, .module-row, .stat-row { grid-template-columns: 1fr; }
      .tile-grid { grid-template-columns: 1fr 1fr; }
      .tile.span-2 { grid-column: span 2; }
      .scene-grid { grid-template-columns: 1fr; }
      .scene, .story, .news-item { grid-template-columns: 1fr; }
      .scene img, .story img, .news-item img { width: 100%; height: 180px; }
      .form-grid { grid-template-columns: 1fr; }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .topbar { height: auto; padding: 8px 0; }
      .topbar-inner { flex-direction: column; align-items: flex-start; }
      .trust-tags { display: none; }
      .compare-table thead { display: none; }
      .compare-table tr { display: block; border-bottom: 8px solid var(--bg-mint); }
      .compare-table td {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        border-bottom: 1px solid var(--line);
      }
      .compare-table td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 12px;
        flex: 0 0 42%;
      }
      .timeline { grid-template-columns: 1fr; }
      .logo-text { font-size: 15px; }
    }
    @media (max-width: 520px) {
      .tile-grid, .quick-grid, .fact-grid { grid-template-columns: 1fr; }
      .tile.span-2 { grid-column: auto; }
      .hero-actions .btn { width: 100%; }
      .param-bar { grid-template-columns: 1fr; }
      .kpi-dock { margin-top: 16px; padding-bottom: 8px; }
      .foot-grid { grid-template-columns: 1fr; }
      .hero-controls { right: 16px; bottom: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
    }