/* roulang page: index */
:root {
      --color-primary: #1F6AA5;
      --color-primary-dark: #164E7A;
      --color-accent: #1A8F8A;
      --color-bg: #F3F6FA;
      --color-surface: #FFFFFF;
      --color-dark: #16324A;
      --color-text: #1C2430;
      --color-muted: #5C6B7A;
      --color-border: #E3EAF1;
      --color-topbar: rgba(31, 106, 165, 0.08);
      --shadow-card: 0 8px 24px rgba(22, 50, 74, 0.08);
      --shadow-card-hover: 0 14px 32px rgba(31, 106, 165, 0.14);
      --shadow-nav: 0 8px 20px rgba(22, 50, 74, 0.08);
      --radius: 12px;
      --radius-btn: 8px;
      --container: 1200px;
      --header-main: 72px;
      --space-section: 104px;
      --space-section-m: 64px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --ease: 200ms ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--color-text);
      background: var(--color-bg);
      -webkit-font-smoothing: antialiased;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--color-primary); text-decoration: none; transition: color var(--ease); }
    a:hover { color: var(--color-primary-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; letter-spacing: -0.02em; line-height: 1.28; color: var(--color-text); }
    h1 { font-size: 42px; font-weight: 700; }
    h2 { font-size: 28px; font-weight: 700; }
    h3 { font-size: 19px; font-weight: 600; }
    p { margin: 0 0 1em; }
    p:last-child { margin-bottom: 0; }
    ul, ol { margin: 0; padding: 0; }
    .container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    .site-header {
      position: sticky; top: 0; z-index: 1000;
      background: var(--color-surface);
      transition: box-shadow var(--ease);
    }
    .site-header.is-scrolled { box-shadow: var(--shadow-nav); }
    .site-header.is-scrolled .topbar {
      max-height: 0; opacity: 0; overflow: hidden; padding-top: 0; padding-bottom: 0;
    }
    .topbar {
      background: var(--color-topbar);
      color: var(--color-muted);
      font-size: 13px;
      line-height: 1.4;
      max-height: 44px;
      overflow: hidden;
      transition: max-height 220ms ease, opacity 220ms ease, padding 220ms ease;
    }
    .topbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 36px; gap: 16px;
    }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: var(--color-primary-dark); }
    .topbar a:hover { text-decoration: underline; }
    .mainbar { background: var(--color-surface); border-bottom: 1px solid var(--color-border); }
    .mainbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      min-height: var(--header-main); gap: 20px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--color-text); flex-shrink: 0;
    }
    .logo:hover { color: var(--color-primary-dark); }
    .logo-mark {
      width: 40px; height: 40px; border-radius: 10px;
      background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
      display: grid; place-items: center; color: #fff; position: relative;
    }
    .logo-mark svg { width: 22px; height: 22px; }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 16px; font-weight: 700; }
    .logo-text span { font-size: 12px; color: var(--color-primary); font-weight: 500; }
    .nav-desktop { display: flex; align-items: center; gap: 4px; }
    .nav-desktop a {
      position: relative; color: var(--color-text); font-size: 15px; font-weight: 500;
      padding: 10px 12px; border-radius: 6px;
    }
    .nav-desktop a:hover { color: var(--color-primary); background: var(--color-topbar); }
    .nav-desktop a.is-active { color: var(--color-primary); }
    .nav-desktop a.is-active::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px;
      height: 2px; background: var(--color-primary); border-radius: 2px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: var(--radius-btn);
      font-size: 15px; font-weight: 600; border: 1px solid transparent;
      transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }
    .btn-primary { background: var(--color-primary); color: #fff; }
    .btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost {
      background: transparent; color: var(--color-primary);
      border-color: rgba(255,255,255,.7); color: #fff;
    }
    .btn-outline {
      background: transparent; color: var(--color-primary);
      border-color: var(--color-primary);
    }
    .btn-outline:hover { background: var(--color-primary); color: #fff; }
    .btn-lg { min-height: 52px; padding: 12px 28px; font-size: 16px; }
    .nav-cta { display: flex; align-items: center; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--color-border);
      background: var(--color-surface); border-radius: 8px; align-items: center; justify-content: center;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--color-text); border-radius: 2px; position: relative;
    }
    .menu-toggle span::before, .menu-toggle span::after {
      content: ""; position: absolute; left: 0;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .drawer-backdrop {
      position: fixed; inset: 0; background: rgba(22,50,74,.45); opacity: 0; visibility: hidden;
      transition: opacity 220ms ease, visibility 220ms ease; z-index: 1100;
    }
    .drawer {
      position: fixed; top: 0; right: 0; width: min(86vw, 360px); height: 100%;
      background: var(--color-surface); z-index: 1110;
      transform: translateX(100%); transition: transform 240ms ease;
      display: flex; flex-direction: column; padding: 20px 20px 32px;
      overflow: auto;
    }
    body.nav-open .drawer-backdrop { opacity: 1; visibility: visible; }
    body.nav-open .drawer { transform: translateX(0); }
    .drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
    .drawer-meta { font-size: 13px; color: var(--color-muted); padding: 12px 0 18px; border-bottom: 1px solid var(--color-border); }
    .drawer-meta a { color: var(--color-primary-dark); }
    .drawer-nav { display: flex; flex-direction: column; gap: 4px; padding: 16px 0; }
    .drawer-nav a {
      min-height: 48px; display: flex; align-items: center; padding: 8px 10px;
      color: var(--color-text); font-weight: 600; border-radius: 8px;
    }
    .drawer-nav a:hover, .drawer-nav a.is-active { background: var(--color-topbar); color: var(--color-primary); }
    .drawer-actions { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--color-primary); font-size: 13px; font-weight: 600; letter-spacing: .06em;
      text-transform: none; margin-bottom: 12px;
    }
    .section {
      padding: var(--space-section) 0;
      background: var(--color-bg);
    }
    .section-white { background: var(--color-surface); }
    .section-head { max-width: 760px; margin-bottom: 40px; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .section-head p { color: var(--color-muted); margin-top: 14px; }
    .lead { color: var(--color-muted); font-size: 16px; }
    .hero {
      position: relative; background: var(--color-dark); color: #fff;
      min-height: 620px;
    }
    .hero-viewport { position: relative; overflow: hidden; min-height: 620px; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity 480ms ease, visibility 480ms ease;
    }
    .hero-slide.is-active { opacity: 1; visibility: visible; position: relative; }
    .hero-slide img {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
    }
    .hero-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(22,78,122,.78) 0%, rgba(31,106,165,.62) 48%, rgba(22,50,74,.42) 100%);
    }
    .hero-content {
      position: relative; z-index: 2;
      min-height: 620px; display: flex; align-items: center;
      padding: 72px 0 88px;
    }
    .hero-copy { max-width: 680px; color: #fff; }
    .hero-copy .eyebrow { color: #d7ecff; }
    .hero-copy h1, .hero-copy .hero-title {
      font-size: 42px; font-weight: 700; line-height: 1.22; margin-bottom: 16px; color: #fff;
    }
    .hero-copy .hero-lead {
      font-size: 16px; line-height: 1.8; color: rgba(255,255,255,.92);
      margin-bottom: 22px; max-width: 640px;
    }
    .check-row { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-bottom: 28px; }
    .check-item {
      display: inline-flex; align-items: center; gap: 6px;
      background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
      color: #fff; font-size: 13px; padding: 7px 12px; border-radius: 8px;
    }
    .check-item svg { width: 14px; height: 14px; flex-shrink: 0; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 24px; z-index: 3;
    }
    .hero-controls-inner {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 10px; height: 10px; border-radius: 50%; border: 0; padding: 0;
      background: rgba(255,255,255,.4); min-width: 10px; min-height: 10px;
    }
    .hero-dots button.is-active { background: #fff; width: 28px; border-radius: 8px; }
    .hero-arrows { display: flex; gap: 8px; }
    .hero-arrows button {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,.35);
      background: rgba(22,50,74,.28); color: #fff; display: grid; place-items: center;
    }
    .hero-arrows button:hover { background: rgba(22,50,74,.5); }
    .pain-layout {
      display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center;
    }
    .pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .pain-card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 22px 22px 20px; box-shadow: var(--shadow-card);
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .pain-card:hover {
      transform: translateY(-4px); box-shadow: var(--shadow-card-hover);
      border-top: 2px solid var(--color-primary);
    }
    .pain-card h3 { margin-bottom: 8px; }
    .pain-card .phen { color: var(--color-text); font-size: 15px; margin-bottom: 8px; }
    .pain-card .result { color: var(--color-muted); font-size: 14px; }
    .pain-visual {
      border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card);
      min-height: 280px;
    }
    .pain-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
    .split {
      display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 56px; align-items: center;
    }
    .split.reverse { grid-template-columns: 0.88fr 1.12fr; }
    .media-frame {
      border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card);
      background: var(--color-surface); border: 1px solid var(--color-border);
    }
    .media-frame img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .badge {
      display: inline-flex; align-items: center; min-height: 34px;
      padding: 4px 12px; border-radius: 8px; font-size: 13px; font-weight: 600;
      background: var(--color-topbar); color: var(--color-primary-dark); border: 1px solid #d3e4f2;
    }
    .verify-box {
      margin-top: 22px; padding: 16px 18px; border-left: 3px solid var(--color-accent);
      background: #f4fbfa; border-radius: 0 10px 10px 0; color: var(--color-text); font-size: 14.5px;
    }
    .cap-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 26px;
      transition: transform var(--ease), box-shadow var(--ease);
      position: relative;
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
    .card::before {
      content: ""; position: absolute; left: 0; top: 0; right: 0; height: 0;
      background: var(--color-primary); border-radius: var(--radius) var(--radius) 0 0;
      transition: height var(--ease);
    }
    .card:hover::before { height: 3px; }
    .card-icon {
      width: 44px; height: 44px; border-radius: 10px; background: var(--color-topbar);
      display: grid; place-items: center; color: var(--color-primary); margin-bottom: 16px;
    }
    .card h3 { margin-bottom: 8px; }
    .card p { color: var(--color-muted); font-size: 15px; }
    .card-metric {
      position: absolute; top: 18px; right: 18px;
      font-size: 12px; font-weight: 700; color: var(--color-accent);
      background: #eef8f7; padding: 4px 8px; border-radius: 6px;
    }
    .card-link {
      display: inline-flex; margin-top: 14px; font-size: 14px; font-weight: 600;
    }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 28px;
      height: 2px; background: #d5e4f0;
    }
    .step {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 22px 18px 20px; box-shadow: var(--shadow-card);
      position: relative;
    }
    .step-no {
      width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); color: #fff;
      display: grid; place-items: center; font-weight: 700; margin-bottom: 14px; position: relative; z-index: 1;
    }
    .step h3 { font-size: 17px; margin-bottom: 8px; }
    .step p { color: var(--color-muted); font-size: 14px; }
    .step .meta { margin-top: 10px; font-size: 13px; color: var(--color-primary-dark); font-weight: 600; }
    .products-grid {
      display: grid; grid-template-columns: 1.5fr 1fr; grid-template-rows: auto auto; gap: 20px;
    }
    .product-card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); box-shadow: var(--shadow-card); overflow: hidden;
      display: flex; flex-direction: column; transition: transform var(--ease), box-shadow var(--ease);
    }
    .product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
    .product-card.featured { grid-row: 1 / 3; }
    .product-card img { width: 100%; height: 180px; object-fit: cover; }
    .product-card.featured img { height: 240px; }
    .product-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
    .product-body h3 { margin-bottom: 6px; }
    .product-who { color: var(--color-primary); font-size: 13px; font-weight: 600; margin-bottom: 10px; }
    .product-body ul { list-style: none; margin: 0 0 16px; }
    .product-body li {
      position: relative; padding-left: 14px; color: var(--color-muted); font-size: 14.5px; margin-bottom: 6px;
    }
    .product-body li::before {
      content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px;
      border-radius: 50%; background: var(--color-accent);
    }
    .product-card.featured .product-body { padding: 26px 28px 28px; }
    .cases {
      background: var(--color-dark); color: #fff; position: relative; overflow: hidden;
    }
    .cases-bg {
      position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
      opacity: .22; filter: grayscale(20%);
    }
    .cases-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
    .cases blockquote {
      margin: 0; font-size: 30px; line-height: 1.4; font-weight: 700; letter-spacing: -0.02em;
    }
    .cases .cite { margin-top: 16px; color: rgba(255,255,255,.72); font-size: 15px; }
    .case-list { display: grid; gap: 16px; }
    .case-item {
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
      border-radius: var(--radius); padding: 20px 22px;
    }
    .case-item h3 { color: #fff; margin-bottom: 8px; font-size: 18px; }
    .case-item p { color: rgba(255,255,255,.82); font-size: 15px; }
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    }
    .stat {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 28px 22px; box-shadow: var(--shadow-card); text-align: left;
    }
    .stat-num {
      font-size: 34px; font-weight: 700; color: var(--color-primary);
      font-variant-numeric: tabular-nums; line-height: 1.1;
    }
    .stat-unit { font-size: 14px; color: var(--color-muted); font-weight: 600; margin-left: 4px; }
    .stat h3 { font-size: 16px; margin: 10px 0 6px; }
    .stat p { font-size: 13px; color: var(--color-muted); }
    .story-main {
      display: grid; grid-template-columns: 1fr 1.1fr; gap: 36px; align-items: center;
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card); margin-bottom: 22px;
    }
    .story-main img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; }
    .story-main-body { padding: 32px 32px 32px 8px; }
    .story-role { color: var(--color-primary); font-size: 13px; font-weight: 700; margin-bottom: 8px; }
    .story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
    .matrix {
      display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
    }
    .scene-block {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-card);
    }
    .scene-block:hover { box-shadow: var(--shadow-card-hover); }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 12px; }
    .tag {
      font-size: 12px; font-weight: 600; color: var(--color-primary-dark);
      background: var(--color-topbar); border-radius: 6px; padding: 4px 8px;
    }
    .quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .quote-card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow-card);
    }
    .quote-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
    .quote-mark { font-size: 36px; line-height: 1; color: var(--color-primary); opacity: .35; margin-bottom: 8px; }
    .quote-card p { font-size: 15px; }
    .quote-who { margin-top: 16px; font-size: 14px; font-weight: 700; }
    .quote-who span { display: block; font-weight: 400; color: var(--color-muted); font-size: 13px; }
    .gov-list { list-style: none; display: grid; gap: 12px; margin-top: 18px; }
    .gov-list li {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: 10px; padding: 14px 16px 14px 18px; display: grid; grid-template-columns: 28px 1fr; gap: 10px;
      box-shadow: var(--shadow-card);
    }
    .gov-list strong { display: block; margin-bottom: 2px; }
    .gov-list span { color: var(--color-muted); font-size: 14px; }
    .num-dot {
      width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); color: #fff;
      display: grid; place-items: center; font-size: 13px; font-weight: 700;
    }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .news-card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-card);
      display: flex; flex-direction: column; border-top: 4px solid var(--color-primary);
    }
    .news-card img { width: 100%; height: 140px; object-fit: cover; }
    .news-card-body { padding: 16px 18px 18px; }
    .news-date { font-size: 12px; color: var(--color-muted); margin-bottom: 6px; }
    .news-card h3 { font-size: 16px; margin-bottom: 8px; }
    .news-card p { font-size: 14px; color: var(--color-muted); }
    .trust-bar {
      margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-card);
    }
    .trust-item { padding: 6px 10px; border-left: 3px solid var(--color-accent); }
    .trust-item strong { display: block; font-size: 15px; }
    .trust-item span { font-size: 13px; color: var(--color-muted); }
    .faq-list { display: grid; gap: 10px; }
    .faq-item {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); box-shadow: var(--shadow-card); overflow: hidden;
    }
    .faq-item button {
      width: 100%; min-height: 56px; text-align: left; background: transparent; border: 0;
      padding: 14px 52px 14px 20px; font-size: 16px; font-weight: 600; color: var(--color-text);
      position: relative;
    }
    .faq-item button::after {
      content: ""; position: absolute; right: 20px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--color-primary); border-bottom: 2px solid var(--color-primary);
      transform: translateY(-70%) rotate(45deg); transition: transform var(--ease);
    }
    .faq-item.is-open button::after { transform: translateY(-20%) rotate(225deg); }
    .faq-panel { display: none; padding: 0 20px 18px; color: var(--color-muted); background: #f7fafc; }
    .faq-item.is-open .faq-panel { display: block; }
    .cta-band {
      background: linear-gradient(180deg, #eaf3fa 0%, #f3f6fa 100%);
      border-top: 1px solid var(--color-border);
    }
    .cta-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
    .form-card {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); box-shadow: var(--shadow-card); padding: 28px;
    }
    .form-row { margin-bottom: 14px; }
    .form-row label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; }
    .form-row input, .form-row select, .form-row textarea {
      width: 100%; min-height: 44px; border: 1px solid #cfdbe6; border-radius: 8px;
      padding: 10px 12px; background: #fff; color: var(--color-text); font-size: 15px;
    }
    .form-row textarea { min-height: 96px; resize: vertical; }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(31,106,165,.12);
    }
    .form-row input.is-error, .form-row select.is-error, .form-row textarea.is-error {
      border-color: #c47a3a; background: #fffaf4;
    }
    .form-msg { font-size: 13px; color: #9a5b1f; min-height: 18px; margin-top: 4px; }
    .form-success {
      display: none; background: #eef8f7; border: 1px solid #bfe3e0; color: #146e6a;
      border-radius: 8px; padding: 14px 16px; margin-bottom: 12px; font-weight: 600;
    }
    .form-success.is-show { display: block; }
    .contact-side {
      background: var(--color-surface); border: 1px solid var(--color-border);
      border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-card);
    }
    .contact-side dl { margin: 0; }
    .contact-side dt { font-size: 13px; color: var(--color-muted); margin-top: 14px; }
    .contact-side dd { margin: 0; font-weight: 600; }
    .site-footer {
      background: var(--color-dark); color: rgba(255,255,255,.86); padding: 56px 0 24px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.1fr; gap: 28px; margin-bottom: 32px;
    }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer p, .site-footer li, .site-footer a { color: rgba(255,255,255,.78); font-size: 14px; }
    .site-footer a:hover { color: #fff; text-decoration: underline; }
    .site-footer ul { list-style: none; display: grid; gap: 8px; }
    .footer-brand .logo { margin-bottom: 12px; }
    .footer-brand .logo-text span { color: #9cc7ea; }
    .footer-copy {
      border-top: 1px solid rgba(255,255,255,.12); padding-top: 16px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
      font-size: 13px; color: rgba(255,255,255,.6);
    }
    @media (max-width: 1280px) {
      h1, .hero-copy h1, .hero-copy .hero-title { font-size: 36px; }
    }
    @media (max-width: 1024px) {
      .nav-desktop { display: none; }
      .nav-cta { display: none; }
      .menu-toggle { display: inline-flex; }
      .pain-layout, .split, .split.reverse, .cases-inner, .story-main, .cta-grid {
        grid-template-columns: 1fr; gap: 28px;
      }
      .story-main-body { padding: 24px; }
      .cap-grid, .quote-grid { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .products-grid { grid-template-columns: 1fr; }
      .product-card.featured { grid-row: auto; }
      .news-grid { grid-template-columns: 1fr 1fr; }
      .trust-bar { grid-template-columns: 1fr 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .hero, .hero-viewport, .hero-content { min-height: 0; }
    }
    @media (max-width: 768px) {
      .topbar { display: none; }
      h1, .hero-copy h1, .hero-copy .hero-title { font-size: 30px; }
      h2 { font-size: 24px; }
      .section { padding: var(--space-section-m) 0; }
      .container { width: min(100% - 28px, var(--container)); }
      .stats, .pain-grid, .story-grid, .matrix, .cap-grid, .quote-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .stats { grid-template-columns: 1fr 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .hero-content { padding: 48px 0 92px; }
      .hero-arrows { display: none; }
      .check-row { gap: 8px; }
      .footer-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 520px) {
      h1, .hero-copy h1, .hero-copy .hero-title { font-size: 28px; }
      .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
      .stat { padding: 18px 14px; }
      .stat-num { font-size: 26px; }
      .hero-actions .btn { width: 100%; }
      .trust-bar { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }