/* roulang page: index */
:root {
      --vpp-blue: #1e7aa5;
      --vpp-blue-deep: #155e82;
      --vpp-blue-soft: #e8f4fa;
      --grid-mint: #2a9b8f;
      --grid-mint-soft: #e7f6f3;
      --dispatch-amber: #c8891e;
      --dispatch-amber-soft: #f8efd8;
      --bg: #f7fafc;
      --bg-alt: #f4f7fb;
      --bg-cyan: #f3f8f8;
      --white: #ffffff;
      --ink: #1c2d3a;
      --ink-soft: #5c6e7a;
      --line: #d7e3ec;
      --danger: #c45c4a;
      --radius-card: 12px;
      --radius-btn: 7px;
      --shadow: 0 10px 24px rgba(28, 58, 82, 0.08);
      --shadow-hover: 0 14px 28px rgba(28, 58, 82, 0.12);
      --space: 28px;
      --nav-h: 68px;
      --topbar-h: 38px;
      --max: 1160px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--bg);
      line-height: 1.75;
      font-size: 16px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--vpp-blue-deep); text-decoration: none; }
    a:hover { color: var(--vpp-blue); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; line-height: 1.35; color: var(--ink); font-weight: 700; }
    p { margin: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--vpp-blue); color: #fff; padding: 10px 14px; z-index: 80; border-radius: 6px;
    }
    .skip:focus { left: 12px; }
    .container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
    .topbar {
      height: var(--topbar-h);
      background: #eef4f8;
      color: var(--ink-soft);
      font-size: 12.5px;
      display: flex; align-items: center;
    }
    .topbar-inner { display: flex; justify-content: space-between; gap: 16px; align-items: center; width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
    .topbar-left, .topbar-right { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
    .topbar a { color: var(--ink-soft); min-height: 32px; display: inline-flex; align-items: center; }
    .topbar a:hover { color: var(--vpp-blue-deep); }
    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--line);
      position: sticky; top: 0; z-index: 50;
    }
    .nav-row {
      min-height: var(--nav-h);
      display: flex; align-items: center; justify-content: space-between; gap: 18px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--ink); flex-shrink: 0;
    }
    .logo svg { width: 36px; height: 36px; }
    .logo-text { font-size: 18px; font-weight: 700; letter-spacing: 0.02em; }
    .logo-text small { display: block; font-size: 11px; color: var(--ink-soft); font-weight: 500; letter-spacing: 0.08em; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative; color: var(--ink); font-size: 14.5px; font-weight: 500;
      padding: 10px 12px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--vpp-blue); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--vpp-blue-deep); }
    .nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff;
      border-radius: 8px; align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--ink); display: block; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-btn); font-size: 14.5px; font-weight: 600;
      border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
    }
    .btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
    .btn:active { transform: translateY(1px); box-shadow: none; }
    .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--vpp-blue); outline-offset: 3px;
    }
    .btn-primary { background: var(--vpp-blue); color: #fff; }
    .btn-primary:hover { background: var(--vpp-blue-deep); color: #fff; }
    .btn-ghost { background: transparent; color: var(--vpp-blue-deep); border-color: rgba(30,122,165,.35); }
    .btn-ghost:hover { background: var(--vpp-blue-soft); color: var(--vpp-blue-deep); }
    .btn-text { background: none; border: none; color: var(--vpp-blue-deep); padding: 0 2px; min-height: 44px; box-shadow: none; text-decoration: underline; text-underline-offset: 4px; }
    .badge {
      display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 6px;
      background: var(--vpp-blue-soft); color: var(--vpp-blue-deep); font-size: 12px; font-weight: 600;
    }
    .badge-mint { background: var(--grid-mint-soft); color: #1b6f66; }
    .badge-amber { background: var(--dispatch-amber-soft); color: #8a5d0d; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: #fff; z-index: 70;
      transform: translateX(100%); transition: transform .24s ease; box-shadow: var(--shadow-hover);
      display: flex; flex-direction: column; padding: 18px;
    }
    .drawer.open { transform: translateX(0); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(28,45,58,.35); z-index: 60; opacity: 0; pointer-events: none; transition: opacity .2s ease;
    }
    .drawer-mask.open { opacity: 1; pointer-events: auto; }
    .drawer-top { font-size: 13px; color: var(--ink-soft); border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 8px; }
    .drawer a.nav-item { display: flex; align-items: center; min-height: 48px; padding: 0 8px; color: var(--ink); font-weight: 600; border-bottom: 1px solid #f0f4f7; }
    body.lock { overflow: hidden; }
    .hero {
      position: relative; min-height: 640px; overflow: hidden; background: #d9e7ef;
    }
    .slides { position: absolute; inset: 0; }
    .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .5s ease; }
    .slide.active { opacity: 1; z-index: 1; }
    .slide img { width: 100%; height: 100%; object-fit: cover; }
    .slide-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(247,250,252,.92) 0%, rgba(232,244,250,.78) 48%, rgba(30,122,165,.28) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2; min-height: 640px;
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; padding: 54px 0 72px;
    }
    .kicker { color: var(--vpp-blue-deep); font-size: 13px; font-weight: 600; letter-spacing: .08em; margin-bottom: 10px; }
    .hero h1, .slide-title {
      font-size: 38px; margin-bottom: 16px; max-width: 16em;
    }
    .hero-lead { font-size: 16px; color: var(--ink); max-width: 36em; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
    .hero-points { display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--ink-soft); font-size: 13px; }
    .paper {
      background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 18px; border: 1px solid #e4eef4;
    }
    .paper-head { display: grid; grid-template-columns: 118px 1fr; gap: 14px; margin-bottom: 14px; }
    .paper-cover { border-radius: 8px; overflow: hidden; height: 158px; background: #dceaf1; }
    .paper-cover img { width: 100%; height: 100%; object-fit: cover; }
    .paper h2 { font-size: 18px; margin-bottom: 8px; }
    .paper .meta { font-size: 12.5px; color: var(--ink-soft); }
    .toc li { display: flex; gap: 8px; font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--line); color: var(--ink); }
    .toc b { color: var(--vpp-blue); font-variant-numeric: tabular-nums; }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 18px;
      display: flex; justify-content: center; align-items: center; gap: 10px;
    }
    .hero-btn, .dot {
      width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(21,94,130,.25);
      background: rgba(255,255,255,.9); color: var(--vpp-blue-deep); display: inline-flex; align-items: center; justify-content: center;
    }
    .dots { display: flex; gap: 8px; }
    .dot { width: 12px; height: 12px; min-width: 44px; min-height: 44px; background: transparent; border: none; position: relative; }
    .dot::before {
      content: ""; width: 10px; height: 10px; border-radius: 50%; background: #bcd3de; display: block; margin: auto;
    }
    .dot.active::before { background: var(--vpp-blue); transform: scale(1.2); }
    main { background: var(--bg); }
    .section { padding: 96px 0; }
    .section-alt { background: var(--bg-alt); }
    .section-cyan { background: var(--bg-cyan); }
    .section-head { max-width: 42em; margin-bottom: 36px; }
    .section-head h2 { font-size: 28px; margin-bottom: 12px; }
    .section-head p { color: var(--ink-soft); }
    .pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .pain-item {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 22px 22px 20px;
      display: grid; grid-template-columns: 52px 1fr; gap: 14px; border: 1px solid transparent;
    }
    .node {
      width: 52px; height: 52px; border-radius: 10px; background: var(--vpp-blue-soft); color: var(--vpp-blue-deep);
      display: grid; place-items: center; font-weight: 700;
    }
    .pain-item h3 { font-size: 18px; margin-bottom: 6px; }
    .pain-item p { color: var(--ink-soft); font-size: 14.5px; }
    .split { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; }
    .news-stream, .hot-box, .card, .quote, .story, .plan, .metric, .faq-item, .update-row {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); border: 1px solid transparent;
    }
    .news-stream, .hot-box { padding: 20px; }
    .stream-item { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px solid #eef3f7; }
    .stream-item img { width: 96px; height: 72px; object-fit: cover; border-radius: 8px; }
    .stream-item h3 { font-size: 16px; margin-bottom: 4px; }
    .stream-item p, .hot-box p, .card p, .plan p, .story p { color: var(--ink-soft); font-size: 14px; }
    .date { font-size: 12px; color: #7b8c97; }
    .hot-item { display: flex; gap: 10px; align-items: flex-start; padding: 10px 0; border-bottom: 1px dashed var(--line); }
    .rank { width: 24px; color: var(--dispatch-amber); font-weight: 700; font-variant-numeric: tabular-nums; }
    .hot-item a { color: var(--ink); font-weight: 600; }
    .media-split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
    .media-split img { width: 100%; height: 360px; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
    .check li { display: flex; gap: 8px; margin: 10px 0; color: var(--ink); }
    .check i { color: var(--grid-mint); font-style: normal; font-weight: 700; }
    .param {
      margin-top: 16px; padding: 14px 16px; background: var(--vpp-blue-soft); border-radius: 10px; font-size: 14.5px;
    }
    .timeline { display: grid; gap: 0; }
    .step {
      display: grid; grid-template-columns: 88px 1fr; gap: 18px; padding: 8px 0 22px; position: relative;
    }
    .step::before {
      content: ""; position: absolute; left: 21px; top: 36px; bottom: 0; width: 2px; background: #d5e6ef;
    }
    .step:last-child::before { display: none; }
    .step-index {
      width: 44px; height: 44px; border-radius: 50%; background: #fff; border: 2px solid var(--vpp-blue);
      display: grid; place-items: center; font-weight: 700; color: var(--vpp-blue-deep); position: relative; z-index: 1;
    }
    .step-card { background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 18px 20px; }
    .step-card h3 { font-size: 18px; margin-bottom: 6px; }
    .grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .card { padding: 22px; transition: box-shadow .2s ease, border-color .2s ease, transform .2s ease; }
    .card:hover { box-shadow: var(--shadow-hover); border-color: #c5dbe8; transform: translateY(-2px); }
    .icon-line { width: 40px; height: 40px; margin-bottom: 12px; color: var(--vpp-blue); }
    .card h3 { font-size: 18px; margin-bottom: 8px; }
    .mini { margin-top: 12px; font-size: 12.5px; color: var(--grid-mint); font-weight: 600; }
    .plans { display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; gap: 18px; }
    .plan { overflow: hidden; }
    .plan-main { grid-row: 1 / span 2; }
    .plan img { width: 100%; height: 190px; object-fit: cover; }
    .plan-main img { height: 260px; }
    .plan-body { padding: 18px 20px 20px; }
    .plan h3 { font-size: 20px; margin: 8px 0; }
    .topics { display: flex; flex-wrap: wrap; gap: 10px; }
    .chip {
      min-height: 44px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line); background: #fff;
      color: var(--ink); font-weight: 600; font-size: 14px;
    }
    .chip.active, .chip:hover { border-color: var(--vpp-blue); color: var(--vpp-blue-deep); background: var(--vpp-blue-soft); }
    .scene-row {
      display: grid; grid-template-columns: 160px 1fr auto; gap: 16px; align-items: center;
      background: #fff; border-radius: 12px; box-shadow: var(--shadow); padding: 16px 18px; margin-top: 12px;
    }
    .dark {
      background: #16384c url('/assets/images/8e3f8fc0ecd1cd60.jpg') center/cover no-repeat;
      color: #e7f1f6; position: relative;
    }
    .dark::before { content: ""; position: absolute; inset: 0; background: rgba(14,42,58,.82); }
    .dark .container { position: relative; z-index: 1; }
    .dark h2, .dark h3 { color: #fff; }
    .dark-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
    .idea li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
    .case-box { display: grid; gap: 12px; }
    .case {
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 12px; padding: 16px 18px;
    }
    .case strong { display: block; font-size: 28px; color: #8fe3d4; margin: 4px 0; font-variant-numeric: tabular-nums; }
    .stories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .story img { width: 100%; height: 160px; object-fit: cover; }
    .story-body { padding: 16px 18px 18px; }
    .story h3 { font-size: 17px; margin: 8px 0; }
    .stats {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
      background: linear-gradient(180deg, #eef6fb, #f7fbfc); border: 1px solid #dceaf2; border-radius: 14px; padding: 28px 18px;
    }
    .stat { text-align: center; }
    .stat b { display: block; font-size: 32px; color: var(--vpp-blue-deep); font-variant-numeric: tabular-nums; }
    .stat span { display: block; font-size: 13px; color: var(--ink-soft); }
    .stat small { display: block; font-size: 11px; color: #7b8c97; margin-top: 4px; }
    .quotes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .quote { padding: 20px; }
    .quote p { font-size: 14.5px; }
    .who { margin-top: 14px; font-size: 13px; color: var(--ink); font-weight: 600; }
    .table { overflow-x: auto; }
    .updates { min-width: 640px; }
    .update-row { display: grid; grid-template-columns: 120px 1fr 90px; gap: 12px; padding: 14px 16px; margin-bottom: 10px; align-items: center; }
    .status { font-size: 12px; color: #1b6f66; background: var(--grid-mint-soft); padding: 4px 8px; border-radius: 6px; text-align: center; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .metric { padding: 18px; }
    .metric b { display: block; font-size: 26px; color: var(--vpp-blue-deep); font-variant-numeric: tabular-nums; }
    .faq-item { margin-bottom: 10px; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: #fff; border: 0; min-height: 56px; padding: 14px 18px;
      display: flex; justify-content: space-between; gap: 12px; font-size: 16px; font-weight: 650; color: var(--ink);
    }
    .faq-item .faq-icon { transition: transform .2s ease; color: var(--vpp-blue); }
    .faq-item.open .faq-icon { transform: rotate(45deg); }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--ink-soft); background: #f8fbfc; }
    .faq-item.open .ans { display: block; }
    .cta-box {
      display: grid; grid-template-columns: 1fr 1fr; gap: 28px; background: #fff; border-radius: 16px;
      box-shadow: var(--shadow); padding: 28px; border: 1px solid #e4eef4;
    }
    .form-grid { display: grid; gap: 12px; }
    label { font-size: 13.5px; font-weight: 600; display: grid; gap: 6px; }
    input, select, textarea {
      min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: #fff; color: var(--ink);
    }
    textarea { min-height: 96px; resize: vertical; }
    .error { color: var(--danger); font-size: 12.5px; font-weight: 500; display: none; }
    .form-ok { display: none; background: var(--grid-mint-soft); color: #1b6f66; padding: 12px; border-radius: 8px; }
    .partners { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-soft); font-size: 13.5px; margin-top: 18px; }
    .site-footer { background: #102734; color: #c5d5de; padding: 48px 0 24px; }
    .footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #c5d5de; display: inline-flex; min-height: 36px; align-items: center; }
    .site-footer a:hover { color: #fff; }
    .copy { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; font-size: 13px; color: #9aafba; }
    @media (max-width: 1200px) {
      .quotes { grid-template-columns: repeat(2, 1fr); }
      .stats { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 992px) {
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-grid, .split, .media-split, .dark-grid, .cta-box, .footer-grid { grid-template-columns: 1fr; }
      .plans, .stories, .metrics { grid-template-columns: 1fr; }
      .plan-main { grid-row: auto; }
      .grid-6 { grid-template-columns: repeat(2, 1fr); }
      .hero, .hero-grid { min-height: 0; }
      .hero-grid { padding: 36px 0 84px; }
      .hero h1, .slide-title { font-size: 30px; }
      .topbar-left span:nth-child(3) { display: none; }
      .scene-row { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      .section { padding: 72px 0; }
      .pain-grid, .grid-6, .stats, .quotes { grid-template-columns: 1fr; }
      .stats { grid-template-columns: 1fr 1fr; }
      .paper-head { grid-template-columns: 1fr; }
      .stream-item { grid-template-columns: 1fr; }
      .container { width: min(var(--max), calc(100% - 28px)); }
    }
    @media (max-width: 520px) {
      .hero h1, .slide-title { font-size: 26px; }
      .section-head h2 { font-size: 24px; }
      .hero-actions .btn { width: 100%; }
    }

/* roulang page: index */
:root {
      --blue: #1e6fd9;
      --blue-dark: #1558b3;
      --blue-deep: #0e3f86;
      --teal: #1aa38a;
      --teal-dark: #12806c;
      --bg: #f7fafc;
      --bg-alt: #ffffff;
      --text: #1a2332;
      --muted: #5b6b7c;
      --weak: #7b8b9c;
      --line: #e3eaf1;
      --line-strong: #cfd9e4;
      --card: #ffffff;
      --dark: #1e2d3d;
      --dark-2: #24364a;
      --danger: #c0392b;
      --ok: #1a7f4b;
      --shadow: 0 10px 30px rgba(20, 46, 78, 0.08);
      --shadow-hover: 0 16px 36px rgba(20, 46, 78, 0.14);
      --radius: 12px;
      --radius-sm: 8px;
      --radius-lg: 16px;
      --space: 24px;
      --header-top: 56px;
      --header-sub: 58px;
      --max: 1200px;
      --focus: 0 0 0 3px rgba(30, 111, 217, 0.28);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text);
      background: var(--bg);
      line-height: 1.78;
      font-size: 16px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--blue); text-decoration: none; }
    a:hover { color: var(--blue-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: none;
      box-shadow: var(--focus);
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: 16px;
    }
    h1, h2, h3, h4 { margin: 0; letter-spacing: 0.01em; line-height: 1.35; }
    p { margin: 0 0 1em; }
    ul, ol { margin: 0; padding: 0; }
    .skip {
      position: absolute;
      left: -999px;
      top: 8px;
      background: var(--blue);
      color: #fff;
      padding: 10px 16px;
      z-index: 10000;
      border-radius: 8px;
    }
    .skip:focus { left: 12px; }
    .container {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue-dark);
      font-weight: 600;
      font-size: 13px;
      letter-spacing: 0.08em;
      text-transform: none;
    }
    .kicker::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--teal);
      border-radius: 2px;
    }
    .section {
      padding: 96px 0;
      background: var(--bg-alt);
    }
    .section.alt { background: var(--bg); }
    .section-head { max-width: 760px; margin-bottom: 40px; }
    .section-head h2 {
      font-size: 32px;
      font-weight: 700;
      margin: 10px 0 14px;
    }
    .section-head p {
      color: var(--muted);
      font-size: 16px;
      margin: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 20px;
      border-radius: 10px;
      border: 1px solid transparent;
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s ease;
      text-decoration: none;
      gap: 8px;
    }
    .btn-primary {
      background: var(--blue);
      color: #fff;
      box-shadow: 0 8px 18px rgba(30, 111, 217, 0.22);
    }
    .btn-primary:hover { background: var(--blue-dark); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { transform: translateY(0); background: var(--blue-deep); }
    .btn-ghost {
      background: transparent;
      color: var(--blue-deep);
      border-color: var(--line-strong);
    }
    .btn-ghost:hover { border-color: var(--blue); color: var(--blue); background: #eef5fd; }
    .btn-light {
      background: #fff;
      color: var(--blue-deep);
      border-color: transparent;
    }
    .btn-light:hover { background: #e8f4f1; color: var(--teal-dark); }
    .text-link {
      color: var(--blue);
      font-weight: 600;
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 10px;
      border-radius: 999px;
      background: #eaf3fd;
      color: var(--blue-deep);
      font-size: 13px;
      font-weight: 600;
    }
    .badge.teal { background: #e7f7f3; color: var(--teal-dark); }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #fff;
      box-shadow: 0 1px 0 var(--line);
    }
    .site-header.is-compact .nav-top { min-height: 44px; }
    .site-header.is-stuck .nav-sub {
      box-shadow: 0 8px 18px rgba(20, 46, 78, 0.05);
    }
    .nav-top, .nav-sub { width: 100%; }
    .nav-top {
      background: #f4f8fc;
      min-height: var(--header-top);
      border-bottom: 1px solid var(--line);
    }
    .nav-top .container, .nav-sub .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: inherit;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      font-weight: 700;
      font-size: 18px;
      min-height: 44px;
    }
    .logo:hover { color: var(--blue-deep); }
    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: linear-gradient(180deg, var(--blue), var(--blue-deep));
      display: grid;
      place-items: center;
      color: #fff;
      flex-shrink: 0;
    }
    .nav-meta {
      display: flex;
      align-items: center;
      gap: 22px;
      color: var(--muted);
      font-size: 13px;
      flex: 1;
      justify-content: flex-end;
      margin-right: 8px;
    }
    .nav-meta a { color: var(--text); font-weight: 600; }
    .nav-meta a:hover { color: var(--blue); }
    .nav-meta span { display: inline-flex; align-items: center; gap: 6px; }
    .nav-sub { min-height: var(--header-sub); background: #fff; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 6px;
      list-style: none;
      width: 100%;
    }
    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 0 12px;
      color: var(--text);
      font-weight: 500;
      position: relative;
    }
    .nav-links a:hover { color: var(--blue); }
    .nav-links a.active {
      color: var(--blue-deep);
      font-weight: 700;
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 8px;
      height: 2px;
      background: var(--blue);
      border-radius: 2px;
    }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 10px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span {
      width: 18px;
      height: 2px;
      background: var(--text);
      display: block;
    }
    .drawer {
      position: fixed;
      inset: 0;
      background: rgba(16, 28, 42, 0.46);
      opacity: 0;
      pointer-events: none;
      transition: 0.25s ease;
      z-index: 1100;
    }
    .drawer.open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute;
      right: 0;
      top: 0;
      height: 100%;
      width: min(360px, 88vw);
      background: #fff;
      padding: 24px;
      overflow: auto;
      transform: translateX(100%);
      transition: 0.25s ease;
      box-shadow: -12px 0 30px rgba(0,0,0,.12);
    }
    .drawer.open .drawer-panel { transform: none; }
    .drawer-panel .logo { margin-bottom: 18px; }
    .drawer-links { list-style: none; display: grid; gap: 4px; margin: 12px 0 24px; }
    .drawer-links a {
      display: flex;
      align-items: center;
      min-height: 44px;
      padding: 0 10px;
      color: var(--text);
      border-radius: 8px;
      font-weight: 600;
    }
    .drawer-links a:hover, .drawer-links a:focus { background: #eef5fd; color: var(--blue); }
    .hero {
      position: relative;
      min-height: 720px;
      color: #fff;
      overflow: hidden;
      isolation: isolate;
    }
    .hero-slides { position: absolute; inset: 0; z-index: -2; }
    .hero-slide {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0;
      transform: scale(1.04);
      transition: opacity .5s ease, transform .6s ease;
    }
    .hero-slide.is-active { opacity: 1; transform: scale(1); }
    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(90deg, rgba(12, 24, 38, 0.86) 0%, rgba(12, 24, 38, 0.62) 46%, rgba(12, 24, 38, 0.28) 100%),
        linear-gradient(180deg, rgba(12,24,38,.18), rgba(12,24,38,.35));
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 36px;
      padding: 72px 0 84px;
      align-items: stretch;
    }
    .hero-copy h1 {
      font-size: 42px;
      font-weight: 700;
      margin: 12px 0 16px;
      max-width: 16ch;
    }
    .hero-copy .lead {
      font-size: 16px;
      line-height: 1.85;
      color: rgba(255,255,255,.9);
      max-width: 58ch;
      margin-bottom: 22px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
    .paper {
      display: grid;
      grid-template-columns: 120px 1fr;
      gap: 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 16px;
      padding: 16px;
      backdrop-filter: blur(6px);
    }
    .paper img {
      width: 120px;
      height: 160px;
      object-fit: cover;
      border-radius: 8px;
    }
    .paper h3 { font-size: 16px; margin-bottom: 8px; }
    .paper ol {
      padding-left: 18px;
      color: rgba(255,255,255,.86);
      font-size: 13px;
      line-height: 1.7;
    }
    .hero-aside {
      background: rgba(255,255,255,.96);
      color: var(--text);
      border-radius: 16px;
      padding: 28px 24px;
      box-shadow: var(--shadow-hover);
      align-self: center;
    }
    .hero-aside h2 { font-size: 22px; margin: 6px 0 10px; }
    .hero-aside p { color: var(--muted); font-size: 14px; }
    .hero-aside ul { list-style: none; display: grid; gap: 8px; margin: 14px 0 18px; }
    .hero-aside li {
      display: flex;
      gap: 8px;
      font-size: 14px;
      color: var(--text);
    }
    .hero-aside li::before {
      content: "";
      width: 8px;
      height: 8px;
      margin-top: 8px;
      border-radius: 50%;
      background: var(--teal);
      flex-shrink: 0;
    }
    .hero-controls {
      position: absolute;
      left: 0;
      right: 0;
      bottom: 22px;
    }
    .hero-controls .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .pager { display: flex; gap: 8px; }
    .pager button, .dots button {
      min-width: 44px;
      min-height: 44px;
      border: 0;
      border-radius: 10px;
      background: rgba(255,255,255,.16);
      color: #fff;
      cursor: pointer;
    }
    .pager button:hover, .dots button:hover { background: rgba(255,255,255,.28); }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 36px;
      min-width: 36px;
      height: 8px;
      min-height: 8px;
      border-radius: 99px;
      padding: 0;
    }
    .dots button.is-active { background: #fff; width: 48px; }
    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .chip {
      min-height: 44px;
      padding: 0 16px;
      border-radius: 999px;
      border: 1px solid var(--line-strong);
      background: #fff;
      color: var(--text);
      cursor: pointer;
      font-weight: 600;
    }
    .chip:hover, .chip.is-active {
      border-color: var(--blue);
      color: var(--blue-deep);
      background: #eef5fd;
    }
    .region-panel {
      margin-top: 22px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 24px;
    }
    .region-panel h3 { font-size: 20px; margin-bottom: 8px; }
    .region-panel p { color: var(--muted); margin: 0; }
    .kv { display: grid; gap: 10px; }
    .kv div {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      border-bottom: 1px dashed var(--line);
      padding-bottom: 8px;
      font-size: 14px;
    }
    .kv span { color: var(--muted); }
    .kv b { font-variant-numeric: tabular-nums; }
    .split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 40px;
      align-items: center;
    }
    .split.rev { grid-template-columns: .95fr 1.05fr; }
    .media {
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .media img { width: 100%; height: 420px; object-fit: cover; }
    .pain-list { display: grid; gap: 12px; }
    .pain-item {
      display: grid;
      grid-template-columns: 56px 1fr auto;
      gap: 14px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 14px 16px;
    }
    .pain-item b {
      width: 44px;
      height: 44px;
      display: grid;
      place-items: center;
      border-radius: 10px;
      background: #eaf3fd;
      color: var(--blue-deep);
      font-variant-numeric: tabular-nums;
    }
    .bar {
      width: 92px;
      height: 8px;
      background: #e7edf3;
      border-radius: 99px;
      overflow: hidden;
    }
    .bar i {
      display: block;
      height: 100%;
      background: linear-gradient(90deg, var(--blue), var(--teal));
    }
    .capability {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 18px 0 0;
    }
    .params {
      margin-top: 16px;
      padding: 14px 16px;
      background: #f3f8fc;
      border-left: 3px solid var(--blue);
      border-radius: 0 10px 10px 0;
      color: var(--text);
      font-size: 14px;
    }
    .timeline {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 0;
      position: relative;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 8%;
      right: 8%;
      top: 21px;
      height: 2px;
      background: var(--line-strong);
    }
    .step { padding: 0 10px; position: relative; }
    .step i {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: var(--blue);
      display: block;
      margin-bottom: 14px;
      box-shadow: 0 0 0 6px #fff;
      position: relative;
      z-index: 1;
    }
    .step h3 { font-size: 16px; margin-bottom: 8px; }
    .step p { color: var(--muted); font-size: 14px; margin: 0; }
    .cards-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .card {
      background: var(--card);
      border: 1px solid transparent;
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 24px;
      transition: 0.22s ease;
    }
    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30,111,217,.35);
    }
    .icon {
      width: 40px;
      height: 40px;
      margin-bottom: 14px;
      color: var(--blue);
    }
    .card h3 { font-size: 18px; margin-bottom: 8px; }
    .card p { color: var(--muted); font-size: 14px; min-height: 48px; }
    .product-wrap {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 24px;
    }
    .product-main, .product-side article {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      transition: .22s ease;
    }
    .product-main:hover, .product-side article:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30,111,217,.35);
    }
    .product-main img { width: 100%; height: 320px; object-fit: cover; }
    .product-main .body, .product-side .body { padding: 22px; }
    .product-side { display: grid; gap: 24px; }
    .product-side article { display: grid; grid-template-columns: 140px 1fr; }
    .product-side img { width: 140px; height: 100%; object-fit: cover; }
    .spec { display: grid; gap: 8px; margin: 14px 0; font-size: 14px; color: var(--muted); }
    .clusters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .cluster {
      background: #fff;
      border-radius: 12px;
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .cluster h3 { font-size: 18px; margin: 10px 0; }
    .cluster ul { padding-left: 18px; color: var(--muted); font-size: 14px; }
    .dark {
      background: var(--dark);
      color: #eef4fa;
      position: relative;
      overflow: hidden;
    }
    .dark::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url("/assets/images/3536151b5292566d.jpg");
      background-size: cover;
      background-position: center;
      opacity: .16;
    }
    .dark .container { position: relative; }
    .dark-grid {
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 32px;
    }
    .dark h2 { color: #fff; }
    .case-line {
      background: rgba(255,255,255,.05);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 12px;
      padding: 18px 20px;
      margin-bottom: 12px;
    }
    .case-line h3 { font-size: 18px; margin-bottom: 6px; color: #fff; }
    .case-line p { margin: 0; color: rgba(255,255,255,.78); font-size: 14px; }
    .story-grid {
      display: grid;
      grid-template-columns: 1.3fr .7fr;
      gap: 24px;
    }
    .story-main, .story-sub article {
      background: #fff;
      border-radius: 20px;
      box-shadow: 0 8px 22px rgba(20,46,78,.06);
      overflow: hidden;
    }
    .story-main { display: grid; grid-template-columns: 240px 1fr; }
    .story-main img, .story-sub img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .story-main .body, .story-sub .body { padding: 24px; }
    .quote { font-size: 20px; font-weight: 600; line-height: 1.6; margin-bottom: 14px; }
    .story-sub { display: grid; gap: 16px; }
    .stats {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      background: #eef5fd;
      border-radius: 16px;
      padding: 28px 12px;
    }
    .stat { text-align: center; }
    .stat b {
      display: block;
      font-size: 30px;
      font-variant-numeric: tabular-nums;
      color: var(--blue-deep);
      line-height: 1.2;
    }
    .stat span { color: var(--muted); font-size: 13px; }
    .testi {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
    }
    .testi-lead {
      background: #fff;
      border-radius: 16px;
      padding: 36px;
      box-shadow: var(--shadow);
    }
    .testi-lead p { font-size: 22px; font-weight: 600; line-height: 1.6; }
    .testi-side { display: grid; gap: 16px; }
    .track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    @media (max-width: 1024px) {
      .track { grid-auto-flow: column; grid-auto-columns: 78%; overflow-x: auto; padding-bottom: 8px; }
    }
    .scene {
      min-height: 210px;
      background: #fff;
      border-radius: 14px;
      padding: 20px;
      box-shadow: var(--shadow);
    }
    .scene h3 { font-size: 18px; margin-bottom: 8px; }
    .scene p { color: var(--muted); font-size: 14px; }
    table.compare {
      width: 100%;
      border-collapse: collapse;
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .compare th, .compare td {
      padding: 14px 16px;
      text-align: left;
      border-bottom: 1px solid var(--line);
      font-size: 14px;
    }
    .compare th { background: #eaf3fd; color: var(--blue-deep); }
    .news-layout {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 24px;
    }
    .news-list { display: grid; gap: 16px; }
    .news-item {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 16px;
      background: #fff;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .news-item img { width: 180px; height: 120px; object-fit: cover; }
    .news-item .body { padding: 12px 14px 12px 0; }
    .news-item h3 {
      font-size: 16px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .news-item p {
      color: var(--muted);
      font-size: 14px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin: 6px 0 0;
    }
    .date { color: var(--weak); font-size: 12px; }
    .hot {
      background: #fff;
      border-radius: 12px;
      box-shadow: var(--shadow);
      padding: 18px;
    }
    .hot ol { list-style: none; display: grid; gap: 10px; }
    .hot li {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      gap: 8px;
      align-items: center;
      min-height: 44px;
      border-bottom: 1px solid var(--line);
      padding-bottom: 8px;
      font-size: 14px;
    }
    .hot li:last-child { border: 0; }
    .hot b { color: var(--blue); font-variant-numeric: tabular-nums; }
    .metric-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
    }
    .metric {
      background: #fff;
      border-radius: 12px;
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .metric h3 { font-size: 18px; margin-bottom: 8px; }
    .metric p { color: var(--muted); margin: 0; font-size: 14px; }
    .faq-item {
      background: #fff;
      border-radius: 12px;
      margin-bottom: 10px;
      border: 1px solid var(--line);
      overflow: hidden;
    }
    .faq-item.is-open { border-color: rgba(30,111,217,.3); box-shadow: var(--shadow); }
    .faq-item.is-open .faq-btn { box-shadow: inset 3px 0 0 var(--blue); }
    .faq-btn {
      width: 100%;
      text-align: left;
      background: transparent;
      border: 0;
      min-height: 56px;
      padding: 14px 18px;
      cursor: pointer;
      font-weight: 700;
      color: var(--text);
    }
    .faq-panel {
      display: none;
      padding: 0 22px 22px;
      color: var(--muted);
    }
    .faq-item.is-open .faq-panel { display: block; }
    .cta-box {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 36px;
      background: #eef6fb;
      border-radius: 20px;
      padding: 40px;
    }
    .cta-box ul { padding-left: 18px; color: var(--muted); }
    form { display: grid; gap: 12px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
    input, select, textarea {
      min-height: 44px;
      border: 1px solid #d5dee8;
      border-radius: 10px;
      padding: 10px 12px;
      background: #fff;
      color: var(--text);
    }
    textarea { min-height: 96px; resize: vertical; }
    input:focus, select:focus, textarea:focus { border-color: var(--blue); }
    .err { color: var(--danger); font-size: 12px; font-weight: 500; }
    .form-note {
      padding: 12px 14px;
      border-radius: 10px;
      font-size: 14px;
    }
    .form-note.ok { background: #e8f7ee; color: var(--ok); }
    .form-note.bad { background: #fdecea; color: var(--danger); }
    .site-footer {
      background: #1b2836;
      color: #c5d2de;
      padding: 56px 0 24px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr 1fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    .site-footer a { color: #dce7f1; }
    .site-footer a:hover { color: #8fe3d1; }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer ul { list-style: none; display: grid; gap: 8px; }
    .copy {
      border-top: 1px solid rgba(255,255,255,.08);
      padding-top: 16px;
      font-size: 13px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .trust-mini { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
    .trust-mini span {
      border: 1px solid rgba(255,255,255,.14);
      padding: 6px 10px;
      border-radius: 999px;
      font-size: 12px;
    }
    @media (max-width: 1280px) {
      .container { width: min(1120px, calc(100% - 36px)); }
      .hero-copy h1 { font-size: 38px; }
    }
    @media (max-width: 1024px) {
      .section { padding: 80px 0; }
      .hero-grid, .split, .split.rev, .product-wrap, .story-grid, .testi, .news-layout, .cta-box, .dark-grid, .region-panel, .clusters, .metric-grid {
        grid-template-columns: 1fr;
      }
      .timeline { grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
      .timeline::before { display: none; }
      .cards-6 { grid-template-columns: 1fr 1fr; }
      .stats { grid-template-columns: 1fr 1fr 1fr; }
      .nav-meta { display: none; }
      .product-side article { grid-template-columns: 160px 1fr; }
      .story-main { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .section { padding: 64px 0; }
      .section-head h2, .hero-copy h1 { font-size: 28px; }
      .menu-toggle { display: inline-flex; }
      .nav-sub { display: none; }
      .nav-top { background: #fff; }
      .hero { min-height: 0; }
      .hero-grid { padding: 36px 0 92px; }
      .paper, .product-side article, .news-item { grid-template-columns: 1fr; }
      .paper img, .product-side img, .news-item img { width: 100%; height: 180px; }
      .cards-6, .stats, .form-grid, .timeline { grid-template-columns: 1fr; }
      .pain-item { grid-template-columns: 44px 1fr; }
      .pain-item .bar { display: none; }
      .media img { height: 240px; }
      .cta-box { padding: 24px; }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 375px) {
      .container { width: calc(100% - 28px); }
      .hero-copy h1 { font-size: 24px; max-width: none; }
      .btn { width: 100%; }
      .hero-actions { display: grid; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }