/* roulang page: index */
:root {
      --brand: #2A6FAF;
      --brand-deep: #1E5688;
      --amber: #C3922A;
      --amber-soft: #F6EBD3;
      --steel: #5C6570;
      --fog: #F4F7FA;
      --white: #FFFFFF;
      --graphite: #1C242C;
      --border: #E2E8EE;
      --ok: #3C7A5A;
      --text: #1C242C;
      --muted: #5C6570;
      --radius: 13px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(28,36,44,.08);
      --shadow-hover: 0 14px 34px rgba(28,36,44,.14);
      --nav-h: 74px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --bs-primary: #2A6FAF;
      --bs-primary-rgb: 42,111,175;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 8px); }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--fog);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--brand); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--brand-deep); }
    button, input, select, textarea { font-family: inherit; }
    h1, h2, h3, h4 { letter-spacing: -.02em; font-weight: 700; color: var(--text); line-height: 1.28; }
    p { margin: 0 0 1em; }
    :focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
    .container-xl {
      width: min(1180px, calc(100% - 32px));
      margin: 0 auto;
    }
    .topbar {
      background: #EEF2F6;
      color: var(--steel);
      font-size: 13px;
      line-height: 1.4;
    }
    .topbar-inner {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      min-height: 40px;
      padding: 8px 0;
    }
    .topbar a { color: var(--brand-deep); font-weight: 500; }
    .topbar-right { display: flex; gap: 18px; flex-wrap: wrap; }
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1040;
      background: var(--white);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 6px 18px rgba(28,36,44,.04);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      gap: 18px;
      min-height: var(--nav-h);
    }
    .logo {
      display: flex;
      flex-direction: column;
      color: var(--text);
      min-width: 148px;
      line-height: 1.15;
    }
    .logo strong { font-size: 20px; font-weight: 700; color: var(--brand-deep); }
    .logo span { font-size: 12px; color: var(--steel); font-weight: 500; margin-top: 3px; }
    .logo:hover { color: var(--brand-deep); }
    .nav-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      list-style: none;
      margin: 0 auto;
      padding: 0;
      flex-wrap: wrap;
    }
    .nav-links a {
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      padding: 8px 11px;
      color: var(--steel);
      font-size: 14px;
      font-weight: 500;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--brand); }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 11px; right: 11px; bottom: 6px;
      height: 2px;
      background: var(--brand);
      border-radius: 2px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 10px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid transparent;
      font-weight: 600;
      font-size: 15px;
      cursor: pointer;
      transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease, color .2s ease;
    }
    .btn-primary {
      background: var(--brand);
      color: #fff;
      box-shadow: inset 0 -1px 0 rgba(0,0,0,.08);
    }
    .btn-primary:hover {
      background: var(--brand-deep);
      color: #fff;
      box-shadow: inset 0 1px 4px rgba(0,0,0,.12);
    }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost {
      background: #fff;
      color: var(--brand-deep);
      border-color: var(--brand);
    }
    .btn-ghost:hover { background: #EAF3FB; color: var(--brand-deep); }
    .btn-amber {
      background: var(--amber);
      color: #1C242C;
    }
    .btn-amber:hover { background: #B07F1E; color: #1C242C; }
    .btn-line {
      background: transparent;
      color: #fff;
      border-color: rgba(255,255,255,.7);
    }
    .btn-line:hover { background: rgba(255,255,255,.08); color: #fff; }
    .nav-cta { white-space: nowrap; }
    .nav-toggle {
      display: none;
      width: 44px; height: 44px;
      border: 1px solid var(--border);
      background: #fff;
      border-radius: 8px;
      padding: 0;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .nav-toggle span {
      display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px;
    }
    .nav-drawer {
      display: none;
      background: #fff;
      border-top: 1px solid var(--border);
    }
    .nav-drawer.open { display: block; }
    .nav-drawer a {
      display: flex;
      align-items: center;
      min-height: 48px;
      padding: 0 8px;
      border-bottom: 1px solid var(--border);
      color: var(--text);
      font-weight: 500;
    }
    main section { position: relative; }
    .sec {
      padding: 104px 0;
    }
    .sec-fog { background: var(--fog); }
    .sec-white { background: #fff; }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--brand);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .08em;
      margin-bottom: 10px;
    }
    .kicker::before {
      content: "";
      width: 18px; height: 2px;
      background: var(--amber);
    }
    .h2 {
      font-size: 30px;
      margin: 0 0 14px;
    }
    .lead {
      color: var(--muted);
      max-width: 760px;
      margin-bottom: 28px;
    }
    .hero {
      background: var(--graphite);
      padding: 0;
    }
    .hero-slide {
      min-height: 560px;
      height: clamp(520px, 58vw, 720px);
      position: relative;
      background: #1C242C center/cover no-repeat;
    }
    .hero-slide::before {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(28,36,44,.78) 0%, rgba(28,36,44,.42) 52%, rgba(28,36,44,.28) 100%);
    }
    .hero-grid {
      position: relative;
      z-index: 2;
      height: 100%;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 32px;
      align-items: center;
      padding: 48px 0;
    }
    .hero-copy h1, .hero-copy .hero-title {
      font-size: 44px;
      color: #fff;
      margin: 0 0 16px;
      max-width: 18ch;
    }
    .hero-copy p {
      color: rgba(255,255,255,.88);
      max-width: 42em;
      margin-bottom: 22px;
    }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-clip {
      width: min(290px, 100%);
      margin-left: auto;
      aspect-ratio: 9/16;
      max-height: 520px;
      border-radius: 14px;
      overflow: hidden;
      position: relative;
      box-shadow: 0 16px 40px rgba(0,0,0,.28);
      border: 1px solid rgba(255,255,255,.18);
    }
    .hero-clip img { width: 100%; height: 100%; object-fit: cover; }
    .play-pulse {
      position: absolute; left: 50%; top: 50%;
      width: 58px; height: 58px;
      margin: -29px 0 0 -29px;
      border-radius: 50%;
      background: rgba(195,146,42,.94);
      display: grid; place-items: center;
      box-shadow: 0 0 0 10px rgba(195,146,42,.22);
    }
    .play-pulse i {
      width: 0; height: 0;
      border-style: solid;
      border-width: 8px 0 8px 14px;
      border-color: transparent transparent transparent #1C242C;
      margin-left: 3px;
      display: block;
    }
    .clip-caption {
      position: absolute; left: 0; right: 0; bottom: 0;
      padding: 14px 14px 16px;
      background: linear-gradient(transparent, rgba(28,36,44,.82));
      color: #fff;
      font-size: 13px;
    }
    .carousel-indicators [data-bs-target] {
      width: 8px; height: 8px; border-radius: 50%;
      background: #fff; opacity: .45;
    }
    .carousel-indicators .active { background: var(--brand); opacity: 1; }
    .carousel-control-prev, .carousel-control-next {
      width: 48px; height: 48px; top: 50%;
      bottom: auto; opacity: 1;
      background: rgba(255,255,255,.16);
      border-radius: 50%;
      transform: translateY(-50%);
    }
    .carousel-control-prev { left: 18px; }
    .carousel-control-next { right: 18px; }
    .split {
      display: grid;
      grid-template-columns: 1fr 1.05fr;
      gap: 48px;
      align-items: center;
    }
    .media-frame {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #fff;
    }
    .media-frame img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
    .param-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin: 22px 0 8px;
    }
    .param-bar div {
      background: var(--fog);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 12px 14px;
    }
    .param-bar strong { display: block; font-size: 18px; color: var(--brand-deep); }
    .param-bar span { font-size: 13px; color: var(--steel); }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
    .chip {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 32px; padding: 4px 10px;
      border-radius: 6px; font-size: 12px; font-weight: 600;
      background: #EEF3F8; color: var(--steel);
    }
    .chip.ok { background: #E7F3EC; color: var(--ok); }
    .chip.amber { background: var(--amber-soft); color: #8A6718; }
    .bound {
      margin-top: 18px;
      padding: 14px 16px;
      border-left: 3px solid var(--amber);
      background: #FBF8F1;
      border-radius: 0 10px 10px 0;
      color: var(--steel);
      font-size: 14px;
    }
    .service-layout {
      display: grid;
      grid-template-columns: 40% 1fr;
      gap: 28px;
      align-items: stretch;
    }
    .service-photo { min-height: 100%; }
    .service-photo img { min-height: 520px; object-fit: cover; }
    .svc-list { display: flex; flex-direction: column; gap: 10px; }
    .svc-item {
      display: grid;
      grid-template-columns: 28px 1fr auto;
      gap: 12px;
      align-items: start;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 14px 16px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease;
      color: inherit;
    }
    .svc-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); color: inherit; }
    .svc-num {
      width: 28px; height: 28px; border-radius: 50%;
      background: var(--amber-soft); color: #8A6718;
      display: grid; place-items: center; font-size: 12px; font-weight: 700;
    }
    .svc-item h3 { font-size: 17px; margin: 0 0 4px; }
    .svc-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .svc-meta { font-size: 12px; color: var(--brand); font-weight: 600; white-space: nowrap; }
    .card-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .adv-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 24px 22px 22px;
      box-shadow: var(--shadow);
      min-height: 100%;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .adv-ico {
      width: 40px; height: 40px; margin-bottom: 14px; color: var(--steel);
    }
    .adv-card h3 { font-size: 18px; margin: 0 0 8px; }
    .adv-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .pkg-grid {
      display: grid;
      grid-template-columns: 1fr 1.18fr 1fr;
      gap: 18px;
      align-items: stretch;
    }
    .pkg {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex; flex-direction: column;
      position: relative;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .pkg:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .pkg img { height: 180px; width: 100%; object-fit: cover; }
    .pkg.featured { border-color: rgba(195,146,42,.45); transform: translateY(-8px); }
    .pkg.featured img { height: 210px; }
    .corner {
      position: absolute; top: 14px; right: 14px;
      background: var(--amber); color: #1C242C;
      font-size: 12px; font-weight: 700;
      padding: 5px 9px; border-radius: 6px;
    }
    .pkg-body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
    .pkg-body h3 { font-size: 20px; margin: 0 0 8px; }
    .pkg-body ul { margin: 0 0 16px; padding: 0; list-style: none; color: var(--muted); font-size: 14px; }
    .pkg-body li { padding: 5px 0 5px 16px; position: relative; }
    .pkg-body li::before { content: ""; width: 7px; height: 2px; background: var(--amber); position: absolute; left: 0; top: 14px; }
    .pkg-time { font-size: 13px; color: var(--brand-deep); font-weight: 600; margin-bottom: 14px; }
    .stats {
      background: linear-gradient(180deg, #fff, var(--fog));
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 56px 0;
    }
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .stat {
      text-align: left;
      padding: 8px 10px;
    }
    .stat b {
      display: block;
      font-size: 40px;
      color: var(--brand);
      letter-spacing: -.03em;
      line-height: 1.1;
    }
    .stat em { font-style: normal; font-size: 16px; margin-left: 4px; color: var(--brand-deep); }
    .stat span, .stat small { color: var(--muted); }
    .stat small { display: block; margin-top: 6px; font-size: 12px; }
    .process {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
    }
    .step {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 18px 16px;
      min-height: 100%;
    }
    .step b {
      display: inline-grid; place-items: center;
      width: 28px; height: 28px; border-radius: 50%;
      background: var(--amber); color: #1C242C;
      font-size: 13px; margin-bottom: 10px;
    }
    .step h3 { font-size: 16px; margin: 0 0 6px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .dark {
      background: var(--graphite);
      color: #F4F7FA;
      padding: 96px 0;
    }
    .dark h2, .dark p, .dark td, .dark th { color: #F4F7FA; }
    .dark .lead { color: rgba(244,247,250,.78); }
    .dark-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 36px;
      align-items: start;
    }
    .mile-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      margin-top: 18px;
    }
    .mile-table th, .mile-table td {
      border-bottom: 1px solid rgba(255,255,255,.12);
      padding: 10px 8px;
      text-align: left;
    }
    .mile-table th { color: var(--amber); font-weight: 600; }
    .pair {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .pair figure {
      margin: 0;
      border-radius: 12px;
      overflow: hidden;
      background: #111;
      position: relative;
    }
    .pair img { height: 220px; width: 100%; object-fit: cover; }
    .pair figcaption {
      position: absolute; left: 10px; bottom: 10px;
      background: rgba(28,36,44,.78);
      color: #fff; font-size: 12px;
      padding: 4px 8px; border-radius: 6px;
    }
    .masonry {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: auto auto;
      gap: 14px;
    }
    .case-card {
      position: relative;
      border-radius: var(--radius);
      overflow: hidden;
      min-height: 220px;
      cursor: pointer;
      border: 0;
      padding: 0;
      text-align: left;
      color: #fff;
      box-shadow: var(--shadow);
    }
    .case-card img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .case-card.big { grid-row: span 2; min-height: 460px; }
    .case-card.big img { min-height: 460px; }
    .case-card::after {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(transparent 40%, rgba(28,36,44,.82));
    }
    .case-info {
      position: absolute; left: 0; right: 0; bottom: 0;
      z-index: 2; padding: 16px 16px 18px;
    }
    .case-info h3 { color: #fff; font-size: 18px; margin: 0 0 4px; }
    .case-info p { margin: 0; color: rgba(255,255,255,.84); font-size: 13px; }
    .story-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 18px;
    }
    .story-main, .story-side article {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }
    .story-main { display: grid; grid-template-columns: 1fr 1.1fr; overflow: hidden; }
    .story-main img { height: 100%; min-height: 280px; object-fit: cover; }
    .story-main div, .story-side article { padding: 24px; }
    .quote { font-size: 22px; line-height: 1.5; margin: 0 0 12px; }
    .story-side { display: flex; flex-direction: column; gap: 18px; }
    .story-side h3 { font-size: 16px; margin: 0 0 6px; }
    .story-side p { margin: 0; color: var(--muted); font-size: 14px; }
    .review-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .review {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .stars { color: var(--amber); letter-spacing: 2px; margin-bottom: 8px; }
    .review h3 { font-size: 16px; margin: 0 0 8px; }
    .review p { color: var(--muted); margin: 0 0 12px; font-size: 14px; }
    .news-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 16px;
    }
    .news-card {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 16px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      color: inherit;
    }
    .news-card:hover { color: inherit; box-shadow: var(--shadow-hover); }
    .news-card.feature {
      grid-column: 1;
      grid-row: span 3;
      display: flex; flex-direction: column;
      grid-template-columns: none;
    }
    .news-card img { width: 100%; height: 100%; object-fit: cover; min-height: 120px; }
    .news-card.feature img { min-height: 230px; height: 230px; }
    .news-card div { padding: 16px 16px 18px; }
    .news-card h3 { font-size: 18px; margin: 0 0 8px; }
    .news-card p { margin: 0; color: var(--muted); font-size: 14px; }
    .logo-wall {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
    }
    .logo-cell {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      min-height: 72px;
      display: grid; place-items: center;
      color: #8A939C;
      font-size: 13px;
      font-weight: 600;
      filter: grayscale(1);
      padding: 10px;
      text-align: center;
    }
    .accordion-item {
      border: 1px solid var(--border) !important;
      border-radius: 12px !important;
      overflow: hidden;
      margin-bottom: 10px;
      background: #fff;
    }
    .accordion-button { font-weight: 600; box-shadow: none !important; }
    .accordion-button:not(.collapsed) {
      background: #F7FBFE;
      color: var(--brand-deep);
      border-left: 3px solid var(--brand);
    }
    .accordion-body { color: var(--muted); padding-top: 4px; }
    .guard {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .guard a, .guard div {
      display: block;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px 18px;
      color: inherit;
      box-shadow: var(--shadow);
    }
    .guard h3 { font-size: 16px; margin: 0 0 6px; }
    .guard p { margin: 0; color: var(--muted); font-size: 14px; }
    .contact-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 28px;
    }
    .form-card, .info-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 28px;
    }
    label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
    .form-control, .form-select, textarea.form-control {
      min-height: 48px;
      border-radius: 8px;
      border-color: var(--border);
    }
    textarea.form-control { min-height: 96px; }
    .hint { font-size: 13px; color: var(--steel); margin-top: 8px; }
    .alert-soft {
      background: var(--amber-soft);
      color: #5C6570;
      border: 1px solid #E6D3A4;
      border-radius: 8px;
      padding: 10px 12px;
      margin-bottom: 12px;
    }
    .alert-ok {
      background: #E7F3EC;
      color: var(--ok);
      border-radius: 8px;
      padding: 10px 12px;
      margin-bottom: 12px;
    }
    .cta-band {
      margin-top: 22px;
      background: var(--brand);
      color: #fff;
      border-radius: 12px;
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: center;
      flex-wrap: wrap;
    }
    .cta-band a { color: #fff; font-weight: 700; }
    .site-footer {
      background: #EEF2F6;
      border-top: 1px solid var(--border);
      padding: 56px 0 24px;
      color: var(--steel);
      font-size: 14px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1.1fr 1fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    .site-footer h3 { font-size: 16px; margin: 0 0 12px; color: var(--text); }
    .site-footer ul { list-style: none; margin: 0; padding: 0; }
    .site-footer li { margin: 0 0 8px; }
    .copy {
      border-top: 1px solid var(--border);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 13px;
    }
    .modal-body p { color: var(--muted); }
    @media (max-width: 1199.98px) {
      .hero-copy h1, .hero-copy .hero-title { font-size: 38px; }
      .process { grid-template-columns: repeat(3, 1fr); }
      .logo-wall { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 991.98px) {
      .nav-links, .nav-cta { display: none; }
      .nav-toggle { display: inline-flex; margin-left: auto; }
      .hero-grid { grid-template-columns: 1fr; }
      .hero-clip { display: none; }
      .hero-slide { height: auto; min-height: 620px; }
      .split, .service-layout, .dark-grid, .story-grid, .story-main, .contact-grid, .news-grid, .pkg-grid { grid-template-columns: 1fr; }
      .pkg.featured { transform: none; }
      .card-6, .stat-grid, .review-grid, .guard, .foot-grid { grid-template-columns: 1fr 1fr; }
      .masonry { grid-template-columns: 1fr 1fr; }
      .case-card.big { grid-row: auto; min-height: 260px; }
      .case-card.big img { min-height: 260px; }
      .news-card, .news-card.feature { grid-column: auto; grid-row: auto; display: grid; grid-template-columns: 160px 1fr; }
      .sec { padding: 72px 0; }
      .h2 { font-size: 26px; }
    }
    @media (max-width: 767.98px) {
      .topbar-inner { flex-direction: column; align-items: flex-start; }
      .hero-copy h1, .hero-copy .hero-title { font-size: 30px; max-width: none; }
      .param-bar, .card-6, .stat-grid, .process, .pair, .review-grid, .guard, .foot-grid, .logo-wall { grid-template-columns: 1fr; }
      .masonry { grid-template-columns: 1fr; }
      .news-card, .news-card.feature { grid-template-columns: 1fr; }
      .service-photo img { min-height: 240px; }
      .carousel-control-prev, .carousel-control-next { display: none; }
      .stat b { font-size: 32px; }
      .sec { padding: 56px 0; }
    }
    @media (max-width: 520px) {
      .hero-actions .btn { width: 100%; }
      .container-xl { width: calc(100% - 24px); }
      .h2 { font-size: 24px; }
      .hero-copy h1, .hero-copy .hero-title { font-size: 28px; }
    }

/* roulang page: index */
:root {
      --blue: #1F6AA7;
      --blue-deep: #164E7A;
      --blue-mid: #1A5C92;
      --blue-soft: #E7F1F8;
      --blue-line: #C5D7E6;
      --bg: #F4F7FA;
      --paper: #FFFFFF;
      --ink: #243039;
      --muted: #5B6770;
      --faint: #7A8790;
      --amber: #C9842A;
      --amber-deep: #A66B1F;
      --amber-soft: #F7EDDC;
      --dark: #1A2832;
      --dark-2: #22333E;
      --line: #E2E8EE;
      --danger: #C4473A;
      --ok: #2F7D4A;
      --radius-card: 14px;
      --radius-btn: 6px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(31,106,167,.08), 0 1px 0 rgba(36,48,57,.04);
      --shadow-hover: 0 14px 34px rgba(31,106,167,.14), 0 1px 0 rgba(36,48,57,.06);
      --shadow-nav: 0 6px 18px rgba(36,48,57,.06);
      --container: 1220px;
      --gutter: 24px;
      --header-top: 38px;
      --header-main: 70px;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      font-weight: 400;
      color: var(--ink);
      background: var(--bg);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--blue); text-decoration: none; transition: color var(--ease), background var(--ease), opacity var(--ease); }
    a:hover { color: var(--blue-deep); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { border: 0; background: none; cursor: pointer; }
    h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
    ul, ol { padding: 0; list-style: none; }
    :focus { outline: none; }
    :focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
    .num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
    .container { width: min(100% - 32px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
    }
    .skip:focus { left: 8px; z-index: 100; background: #fff; padding: 8px 12px; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px;
      border-radius: var(--radius-btn); font-weight: 600; letter-spacing: 0;
      transition: background var(--ease), color var(--ease), box-shadow var(--ease), transform .18s ease, border-color var(--ease);
      white-space: nowrap;
    }
    .btn:active { transform: translateY(1px); box-shadow: inset 0 2px 6px rgba(0,0,0,.16); }
    .btn-primary { background: var(--blue); color: #fff; }
    .btn-primary:hover, .btn-primary:focus-visible { background: var(--blue-mid); color: #fff; }
    .btn-amber { background: var(--amber); color: #fff; }
    .btn-amber:hover, .btn-amber:focus-visible { background: var(--amber-deep); color: #fff; }
    .btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.72); }
    .btn-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
    .btn-line { background: #fff; color: var(--blue); border: 1px solid var(--blue); }
    .btn-line:hover { background: var(--blue-soft); color: var(--blue-deep); }
    .btn-block { width: 100%; }

    .kicker {
      display: flex; align-items: center; gap: 10px;
      color: var(--blue); font-size: 13px; font-weight: 600; letter-spacing: .04em;
      margin-bottom: 10px;
    }
    .kicker b {
      display: inline-flex; align-items: center; justify-content: center;
      min-width: 32px; height: 22px; padding: 0 6px;
      border: 1px solid var(--blue-line); border-radius: 4px;
      font-variant-numeric: tabular-nums; font-size: 12px; background: #fff;
    }
    .sec-head { max-width: 760px; margin-bottom: 36px; }
    .sec-head h2 {
      font-size: 30px; line-height: 1.28; font-weight: 700; letter-spacing: 0;
      margin-bottom: 14px;
    }
    .sec-head p { color: var(--muted); font-size: 16px; line-height: 1.8; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      height: 28px; padding: 0 10px; border-radius: 4px;
      background: var(--blue-soft); color: var(--blue-deep); font-size: 12px; font-weight: 600;
    }
    .badge-amber { background: var(--amber-soft); color: var(--amber-deep); }

    .site-header {
      position: sticky; top: 0; z-index: 50; background: #fff;
    }
    .topbar {
      background: #EAF1F6; color: var(--muted); font-size: 12px; height: var(--header-top);
      display: flex; align-items: center;
      border-bottom: 1px solid #D9E4EC;
    }
    .topbar .container {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: var(--ink); display: inline-flex; align-items: center; gap: 6px; min-height: 28px; }
    .topbar a:hover { color: var(--blue); }
    .trust-pills { display: flex; gap: 8px; }
    .trust-pills span {
      border: 1px solid #C9D8E4; background: #fff; color: var(--blue-deep);
      height: 24px; padding: 0 8px; border-radius: 4px; display: inline-flex; align-items: center;
      font-weight: 600;
    }
    .nav-main {
      background: #fff; height: var(--header-main);
      display: flex; align-items: center;
      border-bottom: 1px solid transparent;
    }
    .site-header.is-stick .nav-main {
      box-shadow: var(--shadow-nav);
      height: 62px;
    }
    .nav-main .container {
      display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 20px;
    }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--ink); min-height: 44px; }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 36px; height: 36px; flex: 0 0 36px;
      border-radius: 8px; background: var(--blue);
      display: grid; place-items: center;
    }
    .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(--muted); font-weight: 500; }
    .nav-links { display: flex; align-items: center; justify-content: center; gap: 4px; }
    .nav-links a {
      position: relative; color: var(--ink); font-size: 14px; font-weight: 600;
      padding: 10px 11px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: ""; position: absolute; left: 11px; right: 11px; bottom: 6px; height: 2px;
      background: var(--blue); transform: scaleX(0); transform-origin: left; transition: transform var(--ease);
    }
    .nav-links a:hover, .nav-links a.is-on { color: var(--blue); }
    .nav-links a.is-on::after, .nav-links a:hover::after { transform: scaleX(1); }
    .nav-side { display: flex; align-items: center; gap: 10px; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; border-radius: 6px;
      border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); transition: transform .2s, opacity .2s; }
    body.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    body.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
    body.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .nav-mask {
      position: fixed; inset: 0; background: rgba(26,40,50,.46); opacity: 0; pointer-events: none;
      transition: opacity .25s; z-index: 60;
    }
    body.nav-open .nav-mask { opacity: 1; pointer-events: auto; }
    .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: 22px 20px 32px;
      display: flex; flex-direction: column; gap: 8px;
      box-shadow: -12px 0 30px rgba(26,40,50,.12);
    }
    body.nav-open .drawer { transform: none; }
    .drawer a {
      color: var(--ink); font-weight: 600; min-height: 44px;
      display: flex; align-items: center; padding: 0 10px; border-radius: 6px;
    }
    .drawer a.is-on, .drawer a:hover { background: var(--blue-soft); color: var(--blue-deep); }
    .drawer .btn { margin-top: 12px; }

    main section[id] { scroll-margin-top: 86px; }
    .section { padding: 100px 0; }
    .section-paper { background: var(--paper); }
    .section-soft { background: var(--bg); }
    .tread {
      height: 6px;
      background: repeating-linear-gradient(90deg, rgba(31,106,167,.18) 0 8px, transparent 8px 14px);
    }

    .hero { position: relative; background: var(--dark); color: #fff; overflow: hidden; }
    .hero-viewport { position: relative; min-height: 640px; height: min(78vh, 720px); }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; pointer-events: none;
      transition: opacity .55s ease;
    }
    .hero-slide.is-on { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-bg {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
      filter: saturate(.92) contrast(1.04);
    }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(26,40,50,.82) 0%, rgba(31,106,167,.46) 46%, rgba(26,40,50,.28) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2; height: 100%;
      display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 40px;
      min-height: 640px; padding: 48px 0 72px;
    }
    .brand-chip {
      display: inline-flex; align-items: center; gap: 8px;
      height: 32px; padding: 0 12px; border-radius: 4px;
      background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
      font-size: 13px; font-weight: 600; margin-bottom: 16px;
    }
    .hero h1, .hero-title {
      font-size: 46px; line-height: 1.2; font-weight: 700; max-width: 16em; margin-bottom: 18px;
    }
    .hero-lead { max-width: 38em; color: rgba(255,255,255,.88); margin-bottom: 22px; font-size: 16px; line-height: 1.8; }
    .hero-points {
      display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 28px; color: #D7E6F0; font-size: 13px;
    }
    .hero-points span { display: inline-flex; align-items: center; gap: 6px; }
    .hero-points i {
      width: 6px; height: 6px; border-radius: 50%; background: var(--amber); display: inline-block;
    }
    .hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-portrait {
      justify-self: end; width: min(340px, 34vw); aspect-ratio: 3/4;
      border-radius: 14px; overflow: hidden; position: relative;
      box-shadow: 0 16px 40px rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.22);
    }
    .hero-portrait img { width: 100%; height: 100%; object-fit: cover; }
    .station-tag {
      position: absolute; left: 12px; top: 12px;
      background: rgba(26,40,50,.78); color: #fff; font-size: 12px; font-weight: 600;
      height: 26px; padding: 0 10px; border-radius: 4px; display: inline-flex; align-items: center;
      font-variant-numeric: tabular-nums;
    }
    .hero-ctrl {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .hero-bars { display: flex; gap: 8px; align-items: center; }
    .hero-bars button {
      width: 34px; height: 3px; background: rgba(255,255,255,.35); border-radius: 2px; min-height: 12px; padding: 6px 0;
      background-clip: content-box;
    }
    .hero-bars button.is-on { background-color: var(--amber); width: 48px; }
    .hero-arrows { display: flex; gap: 8px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 6px; border: 1px solid rgba(255,255,255,.3);
      color: #fff; display: grid; place-items: center; background: rgba(26,40,50,.28);
    }
    .icon-btn:hover { background: rgba(26,40,50,.5); }
    .lane {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; height: 10px;
      background: repeating-linear-gradient(90deg, rgba(255,255,255,.0) 0 18px, rgba(255,255,255,.55) 18px 34px);
      opacity: .35;
    }

    .matrix {
      display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: stretch;
    }
    .matrix-nav {
      background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow); padding: 12px; display: flex; flex-direction: column; gap: 6px;
    }
    .matrix-nav button {
      text-align: left; min-height: 52px; padding: 8px 12px 8px 14px; border-radius: 8px;
      display: grid; grid-template-columns: 36px 1fr; gap: 8px; align-items: center;
      color: var(--ink); border-left: 3px solid transparent;
    }
    .matrix-nav button small { display: block; color: var(--faint); font-size: 12px; font-weight: 400; }
    .matrix-nav button strong { font-size: 15px; }
    .matrix-nav button .n { font-variant-numeric: tabular-nums; color: var(--blue); font-weight: 700; font-size: 13px; }
    .matrix-nav button.is-on, .matrix-nav button:hover {
      background: var(--blue-soft); border-left-color: var(--blue);
    }
    .matrix-panel {
      display: none; background: var(--paper); border: 1px solid var(--line);
      border-radius: var(--radius-card); box-shadow: var(--shadow); overflow: hidden;
      grid-template-columns: 1.05fr .95fr; min-height: 420px;
    }
    .matrix-panel.is-on { display: grid; }
    .matrix-copy { padding: 32px 28px; }
    .matrix-copy h3 { font-size: 22px; line-height: 1.3; margin: 8px 0 12px; }
    .matrix-copy p { color: var(--muted); margin-bottom: 16px; }
    .spec-list { display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 88px 1fr; gap: 10px; font-size: 14px;
      padding: 10px 0; border-bottom: 1px dashed var(--line);
    }
    .spec-list b { color: var(--blue-deep); }
    .matrix-pic { position: relative; min-height: 280px; }
    .matrix-pic img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }

    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
    }
    .split-pic {
      position: relative; border-radius: var(--radius-card); overflow: hidden;
      box-shadow: var(--shadow); aspect-ratio: 16/10; border: 1px solid var(--line);
    }
    .split-pic img { width: 100%; height: 100%; object-fit: cover; }
    .corner {
      position: absolute; right: 12px; bottom: 12px;
      background: #fff; color: var(--ink); font-size: 12px; font-weight: 600;
      height: 26px; padding: 0 10px; border-radius: 4px;
    }
    .param {
      width: 100%; border-collapse: collapse; margin: 18px 0 20px; font-size: 14px;
    }
    .param th, .param td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
    .param th { width: 38%; color: var(--blue-deep); background: var(--blue-soft); font-weight: 600; }
    .param td { color: var(--ink); }
    .micro-row { display: flex; flex-wrap: wrap; gap: 8px; }

    .adv-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .adv-card {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow); padding: 24px 22px 22px; min-height: 188px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .adv-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .adv-ico {
      width: 40px; height: 40px; border-radius: 8px; background: var(--blue-soft);
      display: grid; place-items: center; margin-bottom: 14px; color: var(--blue);
    }
    .adv-card h3 { font-size: 18px; line-height: 1.35; margin-bottom: 8px; }
    .adv-card p { color: var(--muted); font-size: 14px; line-height: 1.7; }

    .pack-grid {
      display: grid; grid-template-columns: 1.18fr .91fr .91fr; gap: 22px; align-items: stretch;
    }
    .pack {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow); padding: 26px 24px; display: flex; flex-direction: column; gap: 12px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .pack:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .pack.is-hot { background: #F7FBFE; border-color: #B9D3E6; }
    .pack h3 { font-size: 20px; line-height: 1.35; }
    .price { font-size: 28px; font-weight: 700; color: var(--amber-deep); font-variant-numeric: tabular-nums; }
    .price small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 4px; }
    .pack ul { display: grid; gap: 8px; color: var(--muted); font-size: 14px; flex: 1; }
    .pack li { padding-left: 16px; position: relative; }
    .pack li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); position: absolute; left: 0; top: 9px; }
    .cycle { font-size: 13px; color: var(--blue-deep); background: var(--blue-soft); padding: 8px 10px; border-radius: 6px; }

    .steps {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative;
    }
    .steps::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 27px;
      border-top: 2px dashed var(--blue-line); z-index: 0;
    }
    .step {
      position: relative; z-index: 1; background: #fff; border: 1px solid var(--line);
      border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 18px 16px 20px; text-align: left;
    }
    .step .n {
      width: 36px; height: 36px; border-radius: 8px; background: var(--blue); color: #fff;
      display: grid; place-items: center; font-weight: 700; font-variant-numeric: tabular-nums; margin-bottom: 12px;
    }
    .step h3 { font-size: 16px; margin-bottom: 6px; }
    .step p { color: var(--muted); font-size: 14px; line-height: 1.65; }

    .dark-wall { background: var(--dark); color: #E7EEF3; padding: 100px 0; }
    .dark-wall .kicker { color: #9EC9E6; }
    .dark-wall .kicker b { background: var(--dark-2); border-color: #314652; color: #C9E3F4; }
    .dark-wall .sec-head p { color: #B7C4CC; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .case {
      background: var(--dark-2); border: 1px solid #2C3E4A; border-radius: var(--radius-card);
      overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,.18);
      transition: transform .2s ease;
    }
    .case:hover { transform: translateY(-3px); }
    .case img { width: 100%; height: 150px; object-fit: cover; }
    .case-body { padding: 18px 18px 20px; }
    .case h3 { font-size: 16px; color: #fff; margin-bottom: 10px; }
    .flow { display: grid; gap: 8px; font-size: 13px; color: #C5D2D9; }
    .flow span { display: block; padding-left: 12px; position: relative; }
    .flow span::before {
      content: ""; width: 6px; height: 6px; border-radius: 50%; position: absolute; left: 0; top: 8px; background: var(--amber);
    }
    .dark-wall a { color: #9EC9E6; }

    .story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .story {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow); display: grid; grid-template-columns: 148px 1fr; overflow: hidden;
    }
    .story img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .story-body { padding: 22px 22px 20px; }
    .story blockquote { font-size: 15px; line-height: 1.75; margin-bottom: 14px; color: var(--ink); }
    .who { font-size: 13px; color: var(--muted); font-weight: 600; }

    .stats {
      background: var(--blue-soft); border-top: 1px solid #D3E4F0; border-bottom: 1px solid #D3E4F0;
      padding: 54px 0;
    }
    .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .stat {
      text-align: left; padding: 8px 8px 8px 16px; border-left: 3px solid var(--blue);
    }
    .stat b {
      display: block; font-size: 36px; line-height: 1.1; color: var(--blue-deep);
      font-variant-numeric: tabular-nums; font-weight: 700; margin-bottom: 6px;
    }
    .stat span { color: var(--muted); font-size: 14px; }

    .review-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    .review {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow); padding: 22px 20px; min-height: 220px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .review:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .avatar {
      width: 40px; height: 40px; border-radius: 8px; display: grid; place-items: center;
      color: #fff; font-weight: 700; font-size: 14px; margin-bottom: 12px;
    }
    .review p { font-size: 14px; color: var(--ink); margin-bottom: 14px; min-height: 5.2em; }
    .stars { color: var(--amber); letter-spacing: 2px; font-size: 12px; margin-bottom: 6px; }
    .review small { color: var(--faint); font-size: 12px; }

    .news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; }
    .news-feature {
      position: relative; border-radius: var(--radius-card); overflow: hidden; min-height: 420px;
      box-shadow: var(--shadow); border: 1px solid var(--line);
    }
    .news-feature img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .news-feature .cap {
      position: absolute; left: 0; right: 0; bottom: 0; padding: 24px 22px 22px;
      background: linear-gradient(180deg, transparent, rgba(26,40,50,.86));
      color: #fff;
    }
    .news-feature time, .news-item time { font-size: 12px; color: #C9D8E2; font-variant-numeric: tabular-nums; }
    .news-feature h3 { font-size: 22px; line-height: 1.35; margin: 8px 0 8px; }
    .news-list { display: grid; gap: 14px; }
    .news-item {
      display: grid; grid-template-columns: 112px 1fr; gap: 14px; background: #fff;
      border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow);
      min-height: 112px;
    }
    .news-item img { width: 112px; height: 100%; object-fit: cover; }
    .news-item div { padding: 12px 14px 12px 0; }
    .news-item h3 { font-size: 16px; line-height: 1.4; margin: 4px 0 6px; }
    .news-item p { font-size: 13px; color: var(--muted); line-height: 1.65; }
    .news-item time { color: var(--faint); }
    .more-row { margin-top: 18px; }

    .logo-wall {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
    }
    .partner {
      background: #fff; border: 1px solid var(--line); border-radius: 12px; min-height: 88px;
      display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
      color: #8A959C; filter: grayscale(1); opacity: .86; transition: filter var(--ease), color var(--ease), opacity var(--ease), transform var(--ease);
    }
    .partner:hover { filter: none; color: var(--blue); opacity: 1; transform: translateY(-2px); }
    .partner .mark {
      width: 28px; height: 28px; border-radius: 6px; border: 1px solid currentColor;
      display: grid; place-items: center; font-size: 11px; font-weight: 700;
    }
    .partner b { font-size: 13px; font-weight: 600; }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 48px 14px 18px;
      font-weight: 700; position: relative; color: var(--ink);
    }
    .faq-item button::after {
      content: ""; position: absolute; right: 18px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--blue); border-bottom: 2px solid var(--blue);
      transform: translateY(-70%) rotate(45deg); transition: transform .2s;
    }
    .faq-item.is-open button::after { transform: translateY(-20%) rotate(225deg); }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--muted); font-size: 15px; line-height: 1.8; }
    .faq-item.is-open .ans { display: block; }
    .faq-item button:focus-visible { outline-offset: -4px; }

    .guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .guard {
      background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 22px 18px;
      display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start;
    }
    .guard h3 { font-size: 16px; margin-bottom: 4px; }
    .guard p { font-size: 13px; color: var(--muted); line-height: 1.65; }
    .g-ico {
      width: 40px; height: 40px; border-radius: 8px; background: var(--blue-soft); color: var(--blue);
      display: grid; place-items: center;
    }

    .cta-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: stretch; }
    .form-card, .info-card {
      background: #fff; border: 1px solid var(--line); border-radius: var(--radius-card);
      box-shadow: var(--shadow);
    }
    .form-card { padding: 28px 26px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; font-weight: 600; color: var(--ink); }
    .field input, .field select, .field textarea {
      height: 46px; border: 1px solid #D5DEE6; border-radius: 6px; padding: 0 12px; background: #FCFDFE; color: var(--ink);
      transition: border-color var(--ease), box-shadow var(--ease);
    }
    .field textarea { height: 90px; padding: 10px 12px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,106,167,.12);
    }
    .field.error input, .field.error select { border-color: var(--danger); }
    .err { display: none; color: var(--danger); font-size: 12px; }
    .field.error .err { display: block; }
    .form-ok {
      display: none; background: #E8F6EC; color: var(--ok); border-radius: 8px; padding: 12px 14px; margin-bottom: 12px; font-size: 14px;
    }
    .form-ok.is-on { display: block; }
    .info-card { padding: 28px 26px; background: var(--dark); color: #E7EEF3; }
    .info-card h3 { font-size: 22px; color: #fff; margin-bottom: 12px; }
    .info-card p { color: #B7C4CC; margin-bottom: 18px; }
    .info-list { display: grid; gap: 12px; }
    .info-list li { display: grid; grid-template-columns: 72px 1fr; gap: 8px; font-size: 14px; }
    .info-list b { color: #9EC9E6; font-weight: 600; }
    .info-card a { color: #9EC9E6; }
    .info-card a:hover { color: #fff; }

    .site-footer { background: #142028; color: #B7C4CC; padding: 64px 0 22px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr .9fr 1.1fr; gap: 28px; margin-bottom: 36px; }
    .site-footer h3 { color: #fff; font-size: 16px; margin: 8px 0 14px; }
    .site-footer a { color: #B7C4CC; display: inline-flex; min-height: 32px; align-items: center; }
    .site-footer a:hover { color: #fff; }
    .foot-links { display: grid; gap: 4px; }
    .legal {
      border-top: 1px solid #2A3942; padding-top: 16px; font-size: 12px; color: #8A959C;
      display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: space-between;
    }

    @media (max-width: 1280px) {
      .hero h1, .hero-title { font-size: 40px; }
      .sec-head h2 { font-size: 28px; }
    }
    @media (max-width: 1079px) {
      .nav-links, .nav-side .btn { display: none; }
      .nav-toggle { display: inline-flex; }
      .hero-grid { grid-template-columns: 1fr; min-height: 0; }
      .hero-portrait { display: none; }
      .hero-viewport, .hero-grid { min-height: 560px; height: auto; }
      .hero h1, .hero-title { font-size: 34px; }
      .matrix { grid-template-columns: 1fr; }
      .matrix-nav { flex-direction: row; overflow-x: auto; gap: 8px; }
      .matrix-nav button { min-width: 168px; }
      .matrix-panel.is-on { grid-template-columns: 1fr; }
      .matrix-pic { min-height: 220px; height: 220px; }
      .split, .cta-grid, .news-layout, .story-grid { grid-template-columns: 1fr; }
      .pack-grid, .adv-grid, .case-grid { grid-template-columns: 1fr 1fr; }
      .review-grid, .stat-grid, .guard-grid, .logo-wall { grid-template-columns: 1fr 1fr; }
      .steps { grid-template-columns: 1fr; }
      .steps::before { display: none; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .section, .dark-wall { padding: 76px 0; }
    }
    @media (max-width: 768px) {
      .topbar-right { display: none; }
      .hero h1, .hero-title { font-size: 30px; }
      .hero-lead { font-size: 15px; }
      .adv-grid, .pack-grid, .case-grid, .review-grid, .logo-wall, .guard-grid, .stat-grid, .foot-grid {
        grid-template-columns: 1fr;
      }
      .story { grid-template-columns: 1fr; }
      .story img { height: 180px; }
      .news-item { grid-template-columns: 96px 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .sec-head h2 { font-size: 24px; }
      .section, .dark-wall { padding: 64px 0; }
      .param th, .param td { display: block; width: 100%; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 24px, var(--container)); }
      .hero-viewport, .hero-grid { min-height: 520px; }
      .hero h1, .hero-title { font-size: 26px; }
      .hero-cta .btn { width: 100%; }
      .topbar { font-size: 12px; }
      .stat b { font-size: 30px; }
      .price { font-size: 24px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }