/* roulang page: index */
:root {
      --c-primary: #2E6FA8;
      --c-primary-hover: #245C8C;
      --c-primary-soft: #E7F1F8;
      --c-accent: #C9842A;
      --c-accent-soft: #F7E9D4;
      --c-steel: #5B6773;
      --c-signal: #3E8C8A;
      --c-signal-soft: #D9EFEE;
      --bg-page: #F5F7FA;
      --bg-card: #FFFFFF;
      --bg-muted: #EEF3F8;
      --bg-dark: #24313D;
      --bg-dark-2: #1C2731;
      --t-1: #1C2430;
      --t-2: #4A5560;
      --t-3: #7A8490;
      --line: #E6EDF4;
      --danger: #C4473A;
      --ok: #2F7D57;
      --r-sm: 8px;
      --r-md: 12px;
      --sh-card: 0 8px 24px rgba(28, 36, 48, .06);
      --sh-hover: 0 12px 32px rgba(46, 111, 168, .12);
      --sh-nav: 0 6px 18px rgba(28, 36, 48, .06);
      --container: 1240px;
      --gap: 28px;
      --header-main: 72px;
      --section-y: 104px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--t-1);
      background: var(--bg-page);
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--c-primary-hover); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
    ul, ol { padding: 0; list-style: none; }
    table { border-collapse: collapse; width: 100%; }
    :focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 3px;
    }
    .skip {
      position: absolute;
      left: -999px;
      top: 8px;
      background: #fff;
      color: var(--t-1);
      padding: 8px 12px;
      z-index: 80;
    }
    .skip:focus { left: 8px; }
    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 46px;
      padding: 0 20px;
      border-radius: var(--r-sm);
      font-weight: 600;
      letter-spacing: .02em;
      transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--c-primary);
      color: #fff;
      box-shadow: 0 6px 16px rgba(46, 111, 168, .18);
    }
    .btn-primary:hover, .btn-primary:active {
      background: var(--c-primary-hover);
      color: #fff;
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(36, 92, 140, .22);
    }
    .btn-ghost {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255,255,255,.55);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
    .btn-line {
      background: #fff;
      color: var(--c-primary);
      border: 1px solid #C5D6E6;
    }
    .btn-line:hover {
      border-color: var(--c-primary);
      box-shadow: var(--sh-card);
      color: var(--c-primary-hover);
    }
    .btn-accent {
      background: var(--c-accent);
      color: #fff;
    }
    .btn-accent:hover { background: #B07322; color: #fff; }
    .btn-sm { min-height: 40px; padding: 0 14px; font-size: 13px; }
    .btn-block { width: 100%; }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .04em;
    }
    .badge-blue { background: var(--c-primary-soft); color: var(--c-primary); }
    .badge-amber { background: var(--c-accent-soft); color: #8A5A16; }
    .badge-teal { background: var(--c-signal-soft); color: #246865; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: #fff;
    }
    .campaign-bar {
      background: #24313D;
      color: #E8EEF3;
      font-size: 13px;
      min-height: 36px;
      display: flex;
      align-items: center;
    }
    .campaign-bar .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .campaign-left { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
    .campaign-dot {
      width: 8px; height: 8px; border-radius: 50%;
      background: var(--c-accent);
      box-shadow: 0 0 0 4px rgba(201,132,42,.18);
    }
    .countdown {
      display: flex;
      align-items: center;
      gap: 6px;
      font-variant-numeric: tabular-nums;
    }
    .countdown b {
      display: inline-flex;
      min-width: 28px;
      justify-content: center;
      background: #1C2731;
      color: #F4D7A8;
      border-radius: 4px;
      padding: 2px 5px;
      font-size: 12px;
    }
    .utility-bar {
      background: #F7FAFC;
      border-bottom: 1px solid var(--line);
      font-size: 13px;
      color: var(--t-2);
      min-height: 40px;
      display: flex;
      align-items: center;
    }
    .utility-bar .container {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 12px;
    }
    .utility-left, .utility-right {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .utility-right { justify-content: flex-end; }
    .utility-mid { color: var(--t-2); text-align: center; }
    .utility-bar a { color: var(--t-2); }
    .utility-bar a:hover { color: var(--c-primary); }
    .main-bar {
      background: #fff;
      border-bottom: 1px solid var(--line);
      min-height: var(--header-main);
      display: flex;
      align-items: center;
      transition: box-shadow .2s ease;
    }
    .site-header.is-stuck .campaign-bar,
    .site-header.is-stuck .utility-bar { display: none; }
    .site-header.is-stuck .main-bar { box-shadow: var(--sh-nav); }
    .main-bar .container {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--t-1);
      flex-shrink: 0;
    }
    .logo:hover { color: var(--t-1); }
    .logo-mark {
      width: 36px; height: 36px;
      border-radius: 8px;
      background: var(--c-primary);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3px;
      padding: 7px;
    }
    .logo-mark span {
      background: #fff;
      border-radius: 1px;
      opacity: .92;
    }
    .logo-mark span:nth-child(3) { opacity: .65; }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 16px; font-weight: 700; }
    .logo-text small { font-size: 11px; color: var(--t-3); font-weight: 500; letter-spacing: .08em; }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }
    .nav-links a {
      position: relative;
      color: var(--t-1);
      font-size: 15px;
      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(--c-primary);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-cta { margin-left: 8px; flex-shrink: 0; }
    .hamburger {
      display: none;
      width: 44px; height: 44px;
      margin-left: auto;
      border-radius: 8px;
      border: 1px solid var(--line);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .hamburger span {
      width: 18px; height: 2px; background: var(--t-1); display: block;
    }
    .drawer-mask {
      position: fixed; inset: 0;
      background: rgba(28,36,48,.35);
      opacity: 0; pointer-events: none;
      transition: opacity .2s ease;
      z-index: 60;
    }
    .drawer {
      position: fixed;
      top: 0; right: 0; bottom: 0;
      width: min(86vw, 360px);
      background: #fff;
      z-index: 70;
      transform: translateX(100%);
      transition: transform .28s ease;
      padding: 24px 20px 32px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      box-shadow: -12px 0 32px rgba(28,36,48,.12);
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer-head {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 12px;
    }
    .drawer a.d-link {
      min-height: 48px;
      display: flex; align-items: center;
      padding: 0 10px;
      border-radius: 8px;
      color: var(--t-1);
      font-weight: 600;
    }
    .drawer a.d-link:hover, .drawer a.d-link.is-active { background: var(--c-primary-soft); color: var(--c-primary); }
    .drawer-close {
      width: 44px; height: 44px; border-radius: 8px;
      border: 1px solid var(--line);
    }
    main { overflow: clip; }
    .hero {
      position: relative;
      min-height: 640px;
      color: #fff;
      isolation: isolate;
    }
    .slides { position: absolute; inset: 0; }
    .slide {
      position: absolute; inset: 0;
      opacity: 0;
      transition: opacity .6s ease;
      background: #24313D center/cover no-repeat;
    }
    .slide.is-on { opacity: 1; z-index: 1; }
    .slide img {
      width: 100%; height: 100%; object-fit: cover;
    }
    .slide::after {
      content: "";
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,28,36,.82) 0%, rgba(20,28,36,.58) 46%, rgba(20,28,36,.22) 100%),
        linear-gradient(180deg, rgba(20,28,36,.18) 0%, rgba(20,28,36,.45) 100%);
    }
    .hero-grid {
      position: relative;
      z-index: 2;
      min-height: 640px;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 40px;
      align-items: center;
      padding: 56px 0 64px;
    }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      color: #F4D7A8; font-size: 13px; font-weight: 600; letter-spacing: .08em;
      margin-bottom: 14px;
    }
    .hero h1 {
      font-size: 40px;
      line-height: 1.28;
      font-weight: 700;
      max-width: 18em;
      text-align: left;
    }
    .hero-lead {
      margin-top: 18px;
      font-size: 16px;
      line-height: 1.8;
      color: #E4EBF1;
      max-width: 38em;
    }
    .slide-copy { display: none; }
    .slide-copy.is-on { display: block; }
    .slide-kicker {
      margin-top: 16px;
      color: #C5D6E6;
      font-size: 14px;
    }
    .group-panel {
      background: #fff;
      color: var(--t-1);
      border-radius: var(--r-md);
      box-shadow: 0 16px 40px rgba(20,28,36,.22);
      padding: 22px 22px 20px;
    }
    .group-panel h2 {
      font-size: 18px;
      margin: 8px 0 6px;
    }
    .group-meta { color: var(--t-2); font-size: 14px; }
    .group-progress { margin: 14px 0 10px; }
    .bar {
      height: 8px; background: var(--bg-muted); border-radius: 99px; overflow: hidden;
    }
    .bar > span {
      display: block; height: 100%; width: 90%;
      background: linear-gradient(90deg, var(--c-primary), var(--c-signal));
    }
    .group-count {
      display: flex; justify-content: space-between;
      font-size: 13px; color: var(--t-2);
    }
    .group-count strong { color: var(--c-accent); font-size: 20px; }
    .faces { display: flex; gap: 6px; margin: 12px 0 16px; }
    .faces i {
      width: 28px; height: 28px; border-radius: 50%;
      display: grid; place-items: center;
      font-style: normal; font-size: 11px; font-weight: 700; color: #fff;
    }
    .faces i:nth-child(1) { background: #2E6FA8; }
    .faces i:nth-child(2) { background: #3E8C8A; }
    .faces i:nth-child(3) { background: #C9842A; }
    .faces i:nth-child(4) { background: #5B6773; }
    .faces span { font-size: 12px; color: var(--t-3); align-self: center; margin-left: 4px; }
    .group-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .group-rule {
      margin-top: 12px;
      font-size: 12px;
      color: var(--t-3);
      line-height: 1.7;
      padding-top: 10px;
      border-top: 1px dashed var(--line);
    }
    .hero-nav {
      position: absolute; z-index: 3;
      left: 0; right: 0; bottom: 22px;
      display: flex; align-items: center; justify-content: space-between;
    }
    .hero-nav .container { display: flex; align-items: center; justify-content: space-between; }
    .dots { display: flex; gap: 8px; }
    .dots button {
      width: 28px; height: 6px; border-radius: 99px;
      background: rgba(255,255,255,.35);
    }
    .dots button.is-on { background: #fff; }
    .arrows { display: flex; gap: 8px; }
    .arrows button {
      width: 44px; height: 44px; border-radius: 8px;
      border: 1px solid rgba(255,255,255,.4);
      color: #fff; font-size: 18px;
    }
    .arrows button:hover { background: rgba(255,255,255,.12); }
    section { padding: var(--section-y) 0; position: relative; }
    .sec-kicker {
      color: var(--c-primary);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .12em;
      margin-bottom: 10px;
    }
    .sec-title {
      font-size: 28px;
      line-height: 1.35;
      font-weight: 700;
      max-width: 18em;
    }
    .sec-desc {
      margin-top: 14px;
      color: var(--t-2);
      max-width: 48em;
      font-size: 16px;
    }
    .sec-head { margin-bottom: 40px; }
    #coverage { background: #fff; }
    .cover-layout {
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 40px;
      align-items: start;
    }
    .city-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
    .city-cloud span {
      background: var(--bg-muted);
      color: var(--t-1);
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 500;
      border: 1px solid transparent;
    }
    .city-cloud span:hover { border-color: #C5D6E6; background: #fff; }
    .local-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px 24px;
      margin-top: 8px;
    }
    .local-list dt { font-weight: 700; color: var(--t-1); }
    .local-list dd { color: var(--t-2); font-size: 14px; margin: 0; }
    .photo-wall {
      margin-top: 36px;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 12px;
    }
    .photo-wall figure {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      min-height: 180px;
    }
    .photo-wall img { width: 100%; height: 220px; object-fit: cover; }
    .photo-wall figcaption {
      position: absolute; left: 0; right: 0; bottom: 0;
      padding: 10px 12px;
      background: linear-gradient(transparent, rgba(20,28,36,.72));
      color: #fff; font-size: 13px; font-weight: 600;
    }
    #pains { background: var(--bg-page); }
    .pain-strip {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .pain-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 22px 22px 20px;
      min-height: 148px;
      box-shadow: var(--sh-card);
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .pain-item:hover { transform: translateY(-2px); box-shadow: var(--sh-hover); }
    .pain-item .tag {
      font-size: 12px; font-weight: 700; color: #8A5A16;
      background: var(--c-accent-soft); display: inline-block;
      padding: 3px 8px; border-radius: 5px; margin-bottom: 10px;
    }
    .pain-item h3 { font-size: 18px; margin-bottom: 8px; }
    .pain-item p { color: var(--t-2); font-size: 14px; }
    #solution { background: #fff; }
    .split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 48px;
      align-items: center;
    }
    .split.is-reverse { grid-template-columns: .95fr 1.05fr; }
    .split-pic {
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--sh-card);
      min-height: 420px;
    }
    .split-pic img { width: 100%; height: 460px; object-fit: cover; }
    .spec-list { margin-top: 18px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid;
      grid-template-columns: 96px 1fr;
      gap: 12px;
      font-size: 15px;
      padding: 10px 0;
      border-bottom: 1px solid var(--line);
    }
    .spec-list b { color: var(--c-primary); font-weight: 700; }
    .spec-list span { color: var(--t-2); }
    #process { background: var(--bg-muted); }
    .timeline {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
      position: relative;
    }
    .timeline::before {
      content: "";
      position: absolute;
      left: 4%; right: 4%; top: 27px;
      height: 2px;
      background: repeating-linear-gradient(90deg, #C5D6E6 0 10px, transparent 10px 16px);
    }
    .step {
      background: #fff;
      border-radius: 12px;
      padding: 18px 16px 16px;
      box-shadow: var(--sh-card);
      position: relative;
      min-height: 210px;
    }
    .step-no {
      width: 36px; height: 36px; border-radius: 50%;
      background: var(--c-accent); color: #fff;
      display: grid; place-items: center;
      font-weight: 700; font-size: 14px;
      margin-bottom: 12px;
      position: relative; z-index: 1;
    }
    .step h3 { font-size: 16px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--t-2); }
    #advantages { background: #fff; }
    .cards-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 28px 26px 24px;
      box-shadow: var(--sh-card);
      min-height: 250px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-2px); box-shadow: var(--sh-hover); }
    .adv-ico {
      width: 44px; height: 44px; border-radius: 10px;
      background: var(--c-primary-soft);
      color: var(--c-primary);
      display: grid; place-items: center;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .adv-card h3 { font-size: 18px; margin-bottom: 10px; }
    .adv-card p { font-size: 14px; color: var(--t-2); margin-bottom: 6px; }
    #modules { background: var(--bg-page); }
    .products {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .product-card {
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--sh-card);
      display: flex; flex-direction: column;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .product-card:hover { transform: translateY(-2px); box-shadow: var(--sh-hover); }
    .product-card .pic { aspect-ratio: 16/10; overflow: hidden; }
    .product-card img { width: 100%; height: 100%; object-fit: cover; }
    .product-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .product-body h3 { font-size: 20px; }
    .product-body p { font-size: 14px; color: var(--t-2); }
    .param {
      margin: 8px 0 12px;
      background: var(--bg-muted);
      border-radius: 8px;
      padding: 10px 12px;
      font-size: 13px;
      color: var(--t-1);
    }
    .param b { color: var(--c-signal); }
    #cases {
      background: var(--bg-dark);
      color: #E8EEF3;
      background-image:
        linear-gradient(180deg, rgba(36,49,61,.88), rgba(28,39,49,.92)),
        url("/assets/images/47f22d74bd86174f.webp");
      background-size: cover;
      background-position: center;
    }
    #cases .sec-kicker { color: #F4D7A8; }
    #cases .sec-title { color: #fff; }
    #cases .sec-desc { color: #C5D0D8; }
    .case-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 20px;
    }
    .case-main, .case-side {
      background: rgba(20,28,36,.55);
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 12px;
      padding: 28px;
    }
    .case-main h3 { font-size: 22px; color: #fff; margin: 8px 0 12px; }
    .case-kpis { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 18px; }
    .case-kpis div { min-width: 120px; }
    .case-kpis strong { display: block; font-size: 28px; color: #F4D7A8; }
    .case-kpis span { font-size: 13px; color: #C5D0D8; }
    .case-side + .case-side { margin-top: 20px; }
    .case-side h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
    .case-side p { color: #C5D0D8; font-size: 14px; }
    #stories { background: #fff; }
    .story-list { display: grid; gap: 24px; }
    .story {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 28px;
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--sh-card);
    }
    .story img { width: 100%; height: 100%; min-height: 220px; object-fit: cover; }
    .story-body { padding: 28px 28px 24px 0; }
    .story blockquote {
      font-size: 18px;
      line-height: 1.7;
      color: var(--t-1);
    }
    .story-who { margin-top: 16px; color: var(--t-3); font-size: 14px; }
    #stats { background: #E7F1F8; padding: 56px 0; }
    .stats {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 12px;
      text-align: left;
    }
    .stat {
      padding: 8px 8px 8px 0;
      border-left: 3px solid var(--c-primary);
      padding-left: 16px;
    }
    .stat b {
      display: block;
      font-size: 34px;
      color: var(--c-primary);
      line-height: 1.15;
      font-variant-numeric: tabular-nums;
    }
    .stat span { color: var(--t-2); font-size: 14px; }
    #scenes { background: var(--bg-page); }
    .scene-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .scene-tile {
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--sh-card);
      min-height: 180px;
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
    }
    .scene-tile img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .scene-tile .cap {
      position: relative;
      z-index: 1;
      padding: 18px 18px 16px;
      background: linear-gradient(transparent, rgba(20,28,36,.78));
      color: #fff;
    }
    .scene-tile h3 { font-size: 18px; margin-bottom: 4px; }
    .scene-tile p { font-size: 13px; color: #D7E0E8; }
    .scene-tile:first-child { grid-row: 1 / span 2; min-height: 380px; }
    #reviews { background: #fff; }
    .review-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }
    .review-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 22px 20px;
      box-shadow: var(--sh-card);
      min-height: 220px;
    }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 12px; margin-bottom: 10px; }
    .review-card p { font-size: 14px; color: var(--t-2); }
    .review-who { margin-top: 16px; font-size: 13px; color: var(--t-1); font-weight: 600; }
    .review-who small { display: block; font-weight: 400; color: var(--t-3); }
    #news { background: var(--bg-muted); }
    .news-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 16px;
    }
    .news-card {
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--sh-card);
      display: flex; flex-direction: column;
    }
    .news-card img { width: 100%; height: 180px; object-fit: cover; }
    .news-card .body { padding: 18px 18px 20px; }
    .news-card time { font-size: 12px; color: var(--t-3); }
    .news-card h3 { font-size: 17px; margin: 6px 0 8px; }
    .news-card p { font-size: 14px; color: var(--t-2); }
    .text-link {
      margin-top: 10px;
      display: inline-flex;
      color: var(--c-primary);
      font-weight: 600;
      font-size: 14px;
    }
    .news-more { margin-top: 20px; }
    #metrics { background: #fff; }
    .dash {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 28px;
    }
    .kpi-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }
    .kpi-tile {
      background: var(--bg-muted);
      border-radius: 12px;
      padding: 20px 18px;
      min-height: 120px;
    }
    .kpi-tile span { color: var(--t-3); font-size: 13px; }
    .kpi-tile strong {
      display: block;
      font-size: 30px;
      color: var(--t-1);
      margin-top: 6px;
    }
    .kpi-tile b { color: var(--c-signal); font-size: 12px; font-weight: 600; }
    .metric-table {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
    }
    .metric-table th, .metric-table td {
      text-align: left;
      padding: 12px 16px;
      font-size: 14px;
      border-bottom: 1px solid var(--line);
    }
    .metric-table th { background: var(--bg-muted); color: var(--t-2); font-weight: 600; }
    .metric-table td { color: var(--t-1); }
    .dot-ok { color: var(--c-signal); font-weight: 700; }
    #faq { background: var(--bg-page); }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 12px;
      overflow: hidden;
    }
    .faq-item h3 { margin: 0; }
    .faq-item button {
      width: 100%;
      min-height: 56px;
      text-align: left;
      padding: 14px 52px 14px 20px;
      font-weight: 650;
      font-size: 16px;
      color: var(--t-1);
      position: relative;
    }
    .faq-item button::after {
      content: "+";
      position: absolute;
      right: 18px; top: 50%;
      transform: translateY(-50%);
      color: var(--c-primary);
      font-size: 20px;
    }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .ans {
      display: none;
      padding: 0 20px 18px;
      color: var(--t-2);
      background: #F8FBFD;
      border-top: 1px solid var(--line);
      font-size: 15px;
    }
    .faq-item.is-open .ans { display: block; padding-top: 14px; }
    #contact { background: #fff; }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 40px;
      align-items: start;
    }
    .form {
      background: var(--bg-card);
      border: 1px solid var(--line);
      border-radius: 12px;
      padding: 28px;
      box-shadow: var(--sh-card);
    }
    .field { margin-bottom: 16px; }
    .field label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
    .field input, .field select, .field textarea {
      width: 100%;
      border: 1px solid #D5DEE7;
      border-radius: 8px;
      min-height: 46px;
      padding: 10px 12px;
      background: #fff;
      color: var(--t-1);
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      outline: none;
      border-color: var(--c-primary);
      box-shadow: 0 0 0 3px rgba(46,111,168,.15);
    }
    .field.is-err input, .field.is-err select, .field.is-err textarea { border-color: var(--danger); }
    .err { display: none; color: var(--danger); font-size: 12px; margin-top: 4px; }
    .field.is-err .err { display: block; }
    .form-ok {
      display: none;
      background: #E8F6EE;
      color: var(--ok);
      border-radius: 8px;
      padding: 10px 12px;
      margin-bottom: 12px;
      font-size: 14px;
    }
    .form-ok.is-on { display: block; }
    .aside-card {
      background: var(--bg-muted);
      border-radius: 12px;
      padding: 28px 24px;
    }
    .aside-card h3 { font-size: 20px; margin-bottom: 10px; }
    .aside-card p { color: var(--t-2); font-size: 14px; margin-bottom: 8px; }
    .aside-dl { margin-top: 16px; }
    .aside-dl div {
      display: grid;
      grid-template-columns: 72px 1fr;
      gap: 8px;
      padding: 10px 0;
      border-top: 1px solid #D9E3EC;
      font-size: 14px;
    }
    .aside-dl dt { color: var(--t-3); }
    .site-footer {
      background: #EEF3F8;
      border-top: 1px solid var(--line);
      padding: 48px 0 24px;
      color: var(--t-2);
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr .9fr;
      gap: 32px;
      margin-bottom: 28px;
    }
    .foot-brand .logo { margin-bottom: 12px; }
    .foot-brand p { font-size: 14px; max-width: 36em; }
    .foot-grid h3 { color: var(--t-1); font-size: 15px; margin-bottom: 10px; }
    .foot-grid a { display: block; color: var(--t-2); min-height: 34px; }
    .foot-grid a:hover { color: var(--c-primary); }
    .foot-bottom {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      border-top: 1px solid #D9E3EC;
      padding-top: 16px;
      font-size: 13px;
      color: var(--t-3);
    }
    .grid-bg {
      background-image:
        linear-gradient(rgba(46,111,168,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46,111,168,.035) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    @media (max-width: 1200px) {
      .hero h1 { font-size: 36px; }
      .sec-title { font-size: 26px; }
      .cards-6, .products, .stats, .review-grid { gap: 16px; }
      .photo-wall { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 992px) {
      .utility-bar .container { grid-template-columns: 1fr; }
      .utility-mid { display: none; }
      .nav-links, .nav-cta { display: none; }
      .hamburger { display: inline-flex; }
      .hero-grid { grid-template-columns: 1fr; padding-top: 36px; }
      .hero, .hero-grid { min-height: 0; }
      .slide img { min-height: 520px; }
      .cover-layout, .split, .split.is-reverse, .case-grid, .dash, .contact-grid, .foot-grid {
        grid-template-columns: 1fr;
      }
      .timeline { grid-template-columns: 1fr 1fr 1fr; }
      .timeline::before { display: none; }
      .cards-6 { grid-template-columns: 1fr 1fr; }
      .products { grid-template-columns: 1fr; }
      .stats { grid-template-columns: 1fr 1fr; }
      .review-grid { grid-template-columns: 1fr 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .scene-grid { grid-template-columns: 1fr 1fr; }
      .scene-tile:first-child { grid-row: auto; min-height: 240px; }
      .story { grid-template-columns: 1fr; }
      .story-body { padding: 20px; }
      .split-pic img { height: 320px; }
    }
    @media (max-width: 768px) {
      :root { --section-y: 72px; }
      .container { width: min(100% - 28px, var(--container)); }
      .hero h1 { font-size: 30px; }
      .sec-title { font-size: 24px; }
      .campaign-bar .container { flex-direction: column; align-items: flex-start; padding: 8px 0; }
      .pain-strip, .timeline, .cards-6, .stats, .review-grid, .local-list, .kpi-grid {
        grid-template-columns: 1fr;
      }
      .scene-grid, .photo-wall { grid-template-columns: 1fr; }
      .group-actions { grid-template-columns: 1fr; }
      .form { padding: 18px; }
      .btn { width: 100%; }
      .nav-cta .btn, .utility-right .btn, .arrows .btn, .group-actions .btn { width: auto; }
      .group-actions .btn { width: 100%; }
      .foot-bottom { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .hero h1 { font-size: 28px; }
      .utility-left { font-size: 12px; }
      .stat b { font-size: 28px; }
      .logo-text small { display: none; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
      --c-primary: #2E6FA8;
      --c-primary-hover: #245C8C;
      --c-primary-soft: #E7F1F8;
      --c-accent: #C9842A;
      --c-accent-soft: #F7ECD9;
      --c-steel: #5B6773;
      --c-signal: #3E8C8A;
      --c-signal-soft: #DCEEEC;
      --bg-page: #F5F7FA;
      --bg-card: #FFFFFF;
      --bg-muted: #EEF3F8;
      --bg-dark: #24313D;
      --bg-dark-2: #2E3D4C;
      --t-1: #1C2430;
      --t-2: #4A5560;
      --t-3: #7A8490;
      --line: #E6EDF4;
      --danger: #C4473A;
      --ok: #2F7D57;
      --radius: 10px;
      --radius-sm: 8px;
      --sh-card: 0 8px 24px rgba(28, 36, 48, .06);
      --sh-hover: 0 12px 32px rgba(46, 111, 168, .12);
      --sh-nav: 0 6px 18px rgba(28, 36, 48, .06);
      --container: 1220px;
      --gutter: 28px;
      --header-top: 40px;
      --header-main: 70px;
      --header-h: 110px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--t-1);
      background: var(--bg-page);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
    a:hover { color: var(--c-primary-hover); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: #fff; color: var(--c-primary);
      padding: 8px 12px; z-index: 80; border-radius: 6px;
    }
    .skip:focus { left: 12px; }

    .campaign-bar {
      background: linear-gradient(90deg, #2A5F90 0%, #2E6FA8 48%, #C9842A 100%);
      color: #fff;
      font-size: 13px;
      min-height: 38px;
      display: flex;
      align-items: center;
    }
    .campaign-bar .container {
      display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
      padding: 8px 0;
    }
    .campaign-bar strong { font-weight: 600; }
    .count-pills { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
    .count-pills span {
      background: rgba(255,255,255,.16);
      border: 1px solid rgba(255,255,255,.22);
      border-radius: 6px;
      padding: 2px 8px;
      letter-spacing: .04em;
    }

    .site-header {
      position: sticky; top: 0; z-index: 50; background: #fff;
      box-shadow: var(--sh-nav);
    }
    .topbar {
      height: var(--header-top);
      background: #F7FAFC;
      border-bottom: 1px solid var(--line);
      font-size: 13px;
      color: var(--t-2);
      transition: transform .25s ease, opacity .25s ease, height .25s ease;
    }
    .site-header.is-compact .topbar {
      height: 0; overflow: hidden; opacity: 0; border: 0;
    }
    .topbar .container, .mainnav .container {
      display: flex; align-items: center; height: 100%; gap: 16px;
    }
    .topbar-left, .topbar-mid, .topbar-right { display: flex; align-items: center; gap: 14px; }
    .topbar-left { flex: 1; }
    .topbar-mid { justify-content: center; }
    .topbar-right { flex: 1; justify-content: flex-end; }
    .topbar a { color: var(--t-2); }
    .topbar a:hover { color: var(--c-primary); }
    .dot-split::before { content: "·"; margin: 0 4px; color: #C5CED6; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 46px; padding: 0 20px; border-radius: var(--radius-sm);
      font-weight: 600; letter-spacing: .02em; line-height: 1.2;
      transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover, .btn-primary:active { background: var(--c-primary-hover); color: #fff; box-shadow: 0 8px 18px rgba(46,111,168,.22); transform: translateY(-1px); }
    .btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.55); }
    .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
    .btn-line { background: #fff; color: var(--c-primary); border: 1px solid #C5D7E8; }
    .btn-line:hover { border-color: var(--c-primary); background: var(--c-primary-soft); color: var(--c-primary-hover); }
    .btn-accent { background: var(--c-accent); color: #fff; }
    .btn-accent:hover { background: #A86C22; color: #fff; }
    .btn-sm { min-height: 34px; padding: 0 12px; font-size: 13px; border-radius: 7px; }
    .btn-block { width: 100%; }

    .mainnav { height: var(--header-main); background: #fff; }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--t-1); flex-shrink: 0;
    }
    .logo:hover { color: var(--t-1); }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 8px;
      background: var(--c-primary); display: grid; place-items: center;
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text b { font-size: 16px; font-weight: 700; }
    .logo-text span { font-size: 11px; color: var(--t-3); font-weight: 500; letter-spacing: .08em; }
    .nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; margin-right: 18px; }
    .nav-links a {
      color: var(--t-1); font-size: 15px; font-weight: 500;
      padding: 8px 12px; position: relative; 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(--c-primary); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px; margin-left: auto;
      border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle span { width: 18px; height: 2px; background: var(--t-1); display: block; }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(28,36,48,.36); opacity: 0; pointer-events: none;
      transition: opacity .25s ease; z-index: 60;
    }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(320px, 86vw);
      background: #fff; z-index: 61; transform: translateX(100%);
      transition: transform .28s ease; box-shadow: -12px 0 32px rgba(28,36,48,.12);
      padding: 22px 18px 32px; display: flex; flex-direction: column; gap: 8px;
    }
    body.menu-open { overflow: hidden; }
    body.menu-open .drawer-mask { opacity: 1; pointer-events: auto; }
    body.menu-open .drawer { transform: translateX(0); }
    .drawer a {
      min-height: 48px; display: flex; align-items: center; padding: 0 10px;
      color: var(--t-1); border-radius: 8px; font-weight: 500;
    }
    .drawer a:hover, .drawer a.is-active { background: var(--c-primary-soft); color: var(--c-primary); }
    .drawer-close { align-self: flex-end; width: 44px; height: 44px; border-radius: 8px; border: 1px solid var(--line); }

    .hero { position: relative; min-height: 640px; color: #fff; overflow: hidden; }
    .hero-track { position: relative; min-height: 640px; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; pointer-events: none;
      transition: opacity .6s ease;
    }
    .hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0;
    }
    .hero-mask {
      position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(20,28,38,.78) 0%, rgba(20,28,38,.55) 46%, rgba(20,28,38,.18) 100%),
        linear-gradient(180deg, rgba(20,28,38,.18) 0%, rgba(20,28,38,.28) 100%);
    }
    .hero-grid {
      position: absolute; inset: 0; opacity: .14; pointer-events: none;
      background-image:
        linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px);
      background-size: 48px 48px;
      mask-image: linear-gradient(90deg, #000 0%, transparent 70%);
    }
    .hero-content {
      position: relative; z-index: 2; padding: 92px 0 78px;
      width: min(var(--container), calc(100% - 40px)); margin: 0 auto;
      display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .72fr); gap: 40px; align-items: end;
    }
    .brand-row { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 28px; padding: 0 10px; border-radius: 6px;
      font-size: 12px; font-weight: 600; letter-spacing: .04em;
    }
    .badge-blue { background: var(--c-primary-soft); color: var(--c-primary); }
    .badge-amber { background: var(--c-accent-soft); color: #8A5A16; }
    .badge-dark { background: rgba(255,255,255,.14); color: #fff; border: 1px solid rgba(255,255,255,.2); }
    .hero h1 {
      font-size: 42px; line-height: 1.22; font-weight: 700; max-width: 18em; text-align: left;
    }
    .hero-lead {
      margin-top: 18px; max-width: 38em; color: rgba(255,255,255,.9); font-size: 16px; text-align: left;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
    .group-card {
      background: rgba(255,255,255,.94); color: var(--t-1);
      border-radius: 12px; padding: 22px 22px 20px; box-shadow: var(--sh-card);
    }
    .group-card h3 { font-size: 18px; margin-bottom: 8px; }
    .group-card p { color: var(--t-2); font-size: 14px; }
    .group-progress { height: 8px; background: #E7EEF4; border-radius: 99px; margin: 14px 0 10px; overflow: hidden; }
    .group-progress b { display: block; height: 100%; width: 72%; background: linear-gradient(90deg, var(--c-primary), var(--c-signal)); }
    .group-meta { display: flex; justify-content: space-between; font-size: 13px; color: var(--t-2); margin-bottom: 16px; }
    .group-meta strong { color: var(--c-accent); font-size: 20px; font-weight: 700; }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
      width: min(var(--container), calc(100% - 40px)); margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,.35);
      color: #fff; display: grid; place-items: center; background: rgba(20,28,38,.28);
    }
    .icon-btn:hover { background: rgba(20,28,38,.5); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.35);
    }
    .hero-dots button.is-active { background: #fff; width: 36px; }

    .coverage {
      background: #fff; border-bottom: 1px solid var(--line);
    }
    .coverage .container {
      display: flex; align-items: center; gap: 22px; padding: 18px 0; flex-wrap: wrap;
    }
    .coverage h2 { font-size: 15px; color: var(--c-primary); white-space: nowrap; }
    .city-list { display: flex; flex-wrap: wrap; gap: 8px; }
    .city-list li {
      background: var(--bg-muted); color: var(--t-2); font-size: 13px;
      padding: 4px 10px; border-radius: 6px;
    }

    main section { padding: 96px 0; position: relative; }
    .sec-head { max-width: 760px; margin-bottom: 36px; text-align: left; }
    .sec-head h2 { font-size: 28px; line-height: 1.35; font-weight: 700; }
    .sec-head p { margin-top: 12px; color: var(--t-2); }
    .kicker { color: var(--c-accent); font-size: 13px; font-weight: 600; letter-spacing: .12em; margin-bottom: 8px; }

    .pain { background: var(--bg-page); }
    .pain-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
    }
    .pain-col {
      background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--sh-card);
      padding: 22px; border: 1px solid var(--line);
    }
    .pain-col h3 { font-size: 18px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
    .scene-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .scene-item {
      border: 1px solid var(--line); border-radius: 10px; padding: 14px 14px 12px; background: #fff;
      min-height: 108px;
    }
    .scene-item .tag {
      display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 5px; margin-bottom: 8px;
    }
    .tag-warn { background: #F8E6E4; color: #A33B32; }
    .tag-ok { background: var(--c-signal-soft); color: #226866; }
    .scene-item p { font-size: 14px; color: var(--t-2); line-height: 1.65; }

    .intro { background: #fff; }
    .intro-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .intro-copy h2 { font-size: 28px; line-height: 1.35; }
    .intro-copy p { margin-top: 14px; color: var(--t-2); }
    .spec-list { margin-top: 18px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 16px 1fr; gap: 10px; font-size: 15px; color: var(--t-1);
    }
    .spec-list i {
      width: 16px; height: 16px; margin-top: 6px; border-radius: 50%;
      background: var(--c-signal); box-shadow: 0 0 0 4px var(--c-signal-soft);
    }
    .intro-figure {
      border-radius: 12px; overflow: hidden; box-shadow: var(--sh-card);
      aspect-ratio: 4/3; position: relative;
    }
    .intro-figure img { width: 100%; height: 100%; object-fit: cover; }
    .photo-wall {
      margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
    }
    .photo-wall figure {
      margin: 0; border-radius: 10px; overflow: hidden; position: relative; aspect-ratio: 16/10;
      box-shadow: var(--sh-card);
    }
    .photo-wall img { width: 100%; height: 100%; object-fit: cover; }
    .photo-wall figcaption {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 8px 10px;
      background: linear-gradient(transparent, rgba(20,28,38,.72));
      color: #fff; font-size: 13px;
    }

    .path { background: var(--bg-muted); }
    .timeline {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 4%; right: 4%; top: 28px; height: 2px;
      background: repeating-linear-gradient(90deg, var(--c-primary) 0 12px, transparent 12px 20px);
      opacity: .35;
    }
    .step {
      background: #fff; border-radius: var(--radius); padding: 20px 16px 18px;
      box-shadow: var(--sh-card); position: relative; min-height: 190px;
    }
    .step b {
      width: 32px; height: 32px; border-radius: 50%; background: var(--c-accent); color: #fff;
      display: grid; place-items: center; font-size: 14px; margin-bottom: 12px;
    }
    .step h3 { font-size: 16px; margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--t-2); }

    .strengths { background: #fff; }
    .card-grid-6 {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .adv-card {
      background: var(--bg-card); border-radius: var(--radius); padding: 26px 24px 22px;
      box-shadow: var(--sh-card); border: 1px solid transparent; min-height: 214px;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .adv-card:hover { transform: translateY(-2px); box-shadow: var(--sh-hover); border-color: #D5E4F0; }
    .adv-ico {
      width: 44px; height: 44px; border-radius: 10px; background: var(--c-primary-soft);
      display: grid; place-items: center; margin-bottom: 14px; color: var(--c-primary);
    }
    .adv-card h3 { font-size: 18px; margin-bottom: 8px; }
    .adv-card p { font-size: 14px; color: var(--t-2); line-height: 1.7; }

    .modules { background: var(--bg-page); }
    .prod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .prod-card {
      background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--sh-card);
      display: flex; flex-direction: column; transition: transform .2s ease, box-shadow .2s ease;
    }
    .prod-card:hover { transform: translateY(-2px); box-shadow: var(--sh-hover); }
    .prod-media { aspect-ratio: 16/10; overflow: hidden; }
    .prod-media img { width: 100%; height: 100%; object-fit: cover; }
    .prod-body { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .prod-body h3 { font-size: 20px; }
    .prod-body p { font-size: 14px; color: var(--t-2); }
    .param { font-size: 13px; color: var(--c-steel); background: var(--bg-muted); border-radius: 8px; padding: 8px 10px; }
    .prod-body .btn { margin-top: auto; align-self: flex-start; }

    .idea {
      background: var(--bg-dark); color: #E7EEF4; padding: 0;
    }
    .idea-wrap {
      display: grid; grid-template-columns: 1.35fr .65fr; min-height: 520px;
    }
    .idea-main {
      position: relative; padding: 88px 48px 88px 0; display: flex; align-items: center;
    }
    .idea-main .container-left { width: min(760px, 100%); margin-left: auto; padding-left: 20px; padding-right: 36px; }
    .idea-bg {
      position: absolute; inset: 0; opacity: .28;
    }
    .idea-bg img { width: 100%; height: 100%; object-fit: cover; }
    .idea-main .copy { position: relative; z-index: 1; }
    .idea h2 { font-size: 28px; color: #fff; }
    .idea p { margin-top: 14px; color: #C9D4DE; }
    .idea-kpi { display: flex; gap: 18px; margin-top: 24px; flex-wrap: wrap; }
    .idea-kpi div {
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
      border-radius: 10px; padding: 12px 16px; min-width: 140px;
    }
    .idea-kpi strong { display: block; font-size: 26px; color: #F0C27A; line-height: 1.2; }
    .idea-kpi span { font-size: 13px; color: #B7C4D0; }
    .idea-side {
      background: var(--bg-dark-2); padding: 88px 40px; display: flex; flex-direction: column; gap: 18px; justify-content: center;
    }
    .idea-point {
      border-left: 3px solid var(--c-accent); padding: 4px 0 4px 16px;
    }
    .idea-point h3 { font-size: 18px; color: #fff; margin-bottom: 6px; }
    .idea-point p { font-size: 14px; color: #C9D4DE; }

    .stories { background: #fff; }
    .story-list { display: grid; gap: 22px; }
    .story {
      display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: stretch;
      background: var(--bg-card); border-radius: 12px; box-shadow: var(--sh-card); overflow: hidden;
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .story-body { padding: 28px 28px 26px 0; }
    .story-body h3 { font-size: 20px; margin: 8px 0 12px; }
    .quote { font-size: 16px; color: var(--t-1); }
    .quote-meta { margin-top: 14px; font-size: 13px; color: var(--t-3); }

    .stats { background: #EAF2F8; padding: 64px 0; }
    .stat-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
    .stat {
      text-align: left; padding: 8px 8px 0;
    }
    .stat strong {
      display: block; font-size: 36px; line-height: 1.1; color: var(--c-primary); font-weight: 700;
    }
    .stat span { display: block; margin-top: 8px; color: var(--t-2); font-size: 14px; }

    .scenes { background: var(--bg-page); }
    .scene-tiles {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
    }
    .tile {
      position: relative; min-height: 180px; border-radius: 12px; overflow: hidden; box-shadow: var(--sh-card);
      display: flex; align-items: flex-end;
    }
    .tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .tile-mask { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(20,28,38,.1), rgba(20,28,38,.72)); }
    .tile-copy { position: relative; z-index: 1; padding: 18px 20px; color: #fff; }
    .tile-copy h3 { font-size: 20px; margin-bottom: 6px; }
    .tile-copy p { font-size: 14px; color: rgba(255,255,255,.88); }

    .reviews { background: #fff; }
    .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .review {
      background: var(--bg-card); border: 1px solid var(--line); border-radius: 12px;
      padding: 20px; box-shadow: var(--sh-card); min-height: 210px;
    }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 13px; margin-bottom: 10px; }
    .review p { font-size: 14px; color: var(--t-2); }
    .review-name { margin-top: 16px; font-size: 13px; color: var(--t-1); font-weight: 600; }
    .review-name span { display: block; font-weight: 400; color: var(--t-3); }

    .news { background: var(--bg-muted); }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card {
      background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--sh-card);
    }
    .news-card img { aspect-ratio: 16/10; width: 100%; object-fit: cover; }
    .news-card div { padding: 16px 16px 18px; }
    .news-card time { font-size: 12px; color: var(--t-3); }
    .news-card h3 { font-size: 16px; margin: 6px 0 8px; line-height: 1.45; }
    .news-card p { font-size: 14px; color: var(--t-2); }
    .text-link { display: inline-block; margin-top: 10px; font-size: 14px; font-weight: 600; }

    .board { background: #fff; }
    .board-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 28px; }
    .metric-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--sh-card); }
    .metric-table th, .metric-table td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
    .metric-table th { background: var(--bg-muted); color: var(--t-2); font-weight: 600; }
    .metric-table td strong { color: var(--c-signal); font-size: 16px; }
    .tiles-mini { display: grid; gap: 12px; }
    .mini {
      background: var(--bg-muted); border-radius: 12px; padding: 18px 18px 16px;
    }
    .mini h3 { font-size: 14px; color: var(--t-2); font-weight: 500; }
    .bar { height: 8px; background: #D9E4EE; border-radius: 99px; margin-top: 12px; overflow: hidden; }
    .bar span { display: block; height: 100%; background: var(--c-signal); }
    .mini b { display: block; margin-top: 8px; color: var(--t-1); font-size: 22px; }

    .faq { background: var(--bg-page); }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid #E6EDF4; border-radius: 10px; background: #fff; overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 18px;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      font-weight: 600; color: var(--t-1); background: #fff;
    }
    .faq-item button:hover, .faq-item button:focus-visible { background: #F8FBFD; }
    .faq-item .sign {
      width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--line);
      display: grid; place-items: center; color: var(--c-primary); flex-shrink: 0;
    }
    .faq-item .answer {
      display: none; padding: 0 18px 16px; background: #F8FBFD; color: var(--t-2); font-size: 15px;
    }
    .faq-item.is-open .answer { display: block; }
    .faq-item.is-open .sign { background: var(--c-primary-soft); }

    .cta { background: #fff; }
    .cta-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: start; }
    .form-card {
      background: var(--bg-card); border-radius: 12px; box-shadow: var(--sh-card);
      padding: 28px; border: 1px solid var(--line);
    }
    .form-row { margin-bottom: 14px; }
    label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
    input, select, textarea {
      width: 100%; border: 1px solid #D5DEE7; border-radius: 8px; padding: 11px 12px;
      background: #fff; color: var(--t-1); transition: border-color .2s ease, box-shadow .2s ease;
    }
    input:focus, select:focus, textarea:focus {
      outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(46,111,168,.15);
    }
    .error { color: var(--danger); font-size: 13px; margin-top: 4px; display: none; }
    .field-error input, .field-error select, .field-error textarea { border-color: var(--danger); }
    .field-error .error { display: block; }
    textarea { min-height: 110px; resize: vertical; }
    .form-note { font-size: 13px; color: var(--t-3); margin-top: 10px; }
    .form-success {
      display: none; background: #E8F6EE; color: var(--ok); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; font-size: 14px;
    }
    .aside-box {
      background: var(--bg-muted); border-radius: 12px; padding: 28px 26px;
    }
    .aside-box h3 { font-size: 20px; margin-bottom: 10px; }
    .aside-box p { color: var(--t-2); font-size: 15px; }
    .contact-lines { margin-top: 18px; display: grid; gap: 10px; }
    .contact-lines div { font-size: 15px; }
    .contact-lines span { display: block; color: var(--t-3); font-size: 13px; }

    .site-footer {
      background: #EEF2F6; border-top: 1px solid var(--line); padding: 48px 0 22px; color: var(--t-2);
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr .9fr 1fr .9fr; gap: 28px; margin-bottom: 28px;
    }
    .site-footer h3 { color: var(--t-1); font-size: 16px; margin-bottom: 12px; }
    .site-footer p, .site-footer a { font-size: 14px; color: var(--t-2); }
    .site-footer a:hover { color: var(--c-primary); }
    .foot-links { display: grid; gap: 8px; }
    .copyright {
      border-top: 1px solid #DDE3EA; padding-top: 16px; font-size: 13px; color: var(--t-3);
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }

    @media (max-width: 1200px) {
      .hero h1 { font-size: 36px; }
      .card-grid-6, .prod-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
      .timeline { grid-template-columns: repeat(3, 1fr); }
      .timeline::before { display: none; }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-row { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 992px) {
      .nav-links, .header-cta { display: none; }
      .nav-toggle { display: inline-flex; }
      .hero-content { grid-template-columns: 1fr; padding: 72px 0 96px; }
      .group-card { max-width: 460px; }
      .intro-grid, .cta-grid, .board-layout, .idea-wrap { grid-template-columns: 1fr; }
      .idea-main { padding: 64px 0 36px; }
      .idea-side { padding: 28px 20px 64px; }
      .story { grid-template-columns: 1fr; }
      .story-body { padding: 8px 20px 22px; }
      .photo-wall { grid-template-columns: repeat(2, 1fr); }
      .pain-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 768px) {
      :root { --header-main: 62px; }
      main section { padding: 72px 0; }
      .hero, .hero-track { min-height: 720px; }
      .hero h1 { font-size: 30px; }
      .sec-head h2, .intro-copy h2, .idea h2 { font-size: 24px; }
      .topbar .container { justify-content: space-between; }
      .topbar-mid { display: none; }
      .scene-row, .prod-grid, .card-grid-6, .news-grid, .stat-row, .scene-tiles { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .hero-actions, .group-card .hero-actions { flex-direction: column; align-items: stretch; }
      .coverage .container { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .hero h1 { font-size: 28px; }
      .stat strong { font-size: 30px; }
      .campaign-bar { font-size: 12px; }
      .footer-grid { grid-template-columns: 1fr; }
      .copyright { flex-direction: column; }
    }
    @media (max-width: 375px) {
      .hero, .hero-track { min-height: 760px; }
      .btn { width: 100%; }
      .header-cta { display: none; }
    }