/* roulang page: index */
:root {
      --c-primary: #0F9AA8;
      --c-primary-dark: #0C7D89;
      --c-primary-soft: #D7F1F4;
      --c-accent: #E08A3D;
      --c-accent-soft: #F8E6D4;
      --c-mist: #5B7CFA;
      --c-bg: #F3F6F8;
      --c-bg-alt: #E7EEF1;
      --c-card: #FFFFFF;
      --c-ink: #12343C;
      --c-ink-2: #1A4450;
      --c-text: #1C2A30;
      --c-muted: #5B6B73;
      --c-line: #D5DEE3;
      --c-cloud: #F7FBFC;
      --c-white: #F4F8F9;
      --grad: linear-gradient(135deg, #0F9AA8 0%, #5B7CFA 88%);
      --grad-soft: linear-gradient(135deg, rgba(15,154,168,.16), rgba(91,124,250,.10));
      --radius: 24px;
      --radius-lg: 28px;
      --radius-sm: 14px;
      --radius-pill: 999px;
      --shadow: 0 10px 28px rgba(18, 52, 60, .08);
      --shadow-sm: 0 8px 24px rgba(18, 52, 60, .06);
      --shadow-lg: 0 16px 40px rgba(18, 52, 60, .12);
      --container: 1240px;
      --nav-top: 38px;
      --nav-main: 76px;
      --z-nav: 1000;
      --z-drawer: 1200;
      --z-overlay: 1100;
      --space: 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; }
    html, body { margin: 0; padding: 0; overflow-x: hidden; }
    body {
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.75;
      color: var(--c-text);
      background: var(--c-bg);
      min-width: 320px;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--c-primary-dark); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--c-primary); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-accent);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: #fff; color: var(--c-ink); padding: 8px 12px; border-radius: 8px; z-index: 2000;
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .topbar {
      height: var(--nav-top);
      background: var(--c-ink);
      color: #E7F0F2;
      font-size: 13px;
      display: flex;
      align-items: center;
    }
    .topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: #E7F0F2; }
    .topbar a:hover { color: #F3C48A; }
    .topbar .dot { width: 4px; height: 4px; border-radius: 50%; background: #6E9098; }
    .site-header {
      position: sticky; top: 0; z-index: var(--z-nav);
    }
    .nav-main {
      height: var(--nav-main);
      background: rgba(255,255,255,.92);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid transparent;
      transition: box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }
    .site-header.is-solid .nav-main {
      background: #fff;
      box-shadow: 0 8px 24px rgba(18,52,60,.08);
      border-bottom-color: var(--c-line);
    }
    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--c-ink); min-width: 0;
    }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 12px;
      background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 14px; letter-spacing: -1px;
      flex: 0 0 auto;
    }
    .logo-text { font-size: 18px; font-weight: 700; letter-spacing: -.4px; white-space: nowrap; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border-radius: var(--radius-pill); padding: 4px 10px; font-size: 12px; line-height: 1.2; font-weight: 500;
      border: 1px solid transparent; white-space: nowrap;
    }
    .badge .spot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
    .badge-soft { background: var(--c-primary-soft); color: var(--c-primary-dark); }
    .badge-accent { background: var(--c-accent-soft); color: #9A5A1C; border-color: rgba(224,138,61,.35); }
    .badge-dark { background: rgba(255,255,255,.1); color: #F4F8F9; border-color: rgba(243,196,138,.45); }
    .badge-grad {
      background: linear-gradient(#fff, #fff) padding-box, var(--grad) border-box;
      border: 1px solid transparent; color: var(--c-ink);
    }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      color: var(--c-text); font-size: 14px; font-weight: 500; padding: 8px 10px; border-radius: 10px;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--c-primary-dark); background: var(--c-primary-soft); }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 22px; border-radius: var(--radius-pill);
      font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: transform .2s ease, filter .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    }
    .btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 20px rgba(15,154,168,.28); }
    .btn-primary:hover { color: #fff; filter: brightness(1.06); transform: translateY(-1px); }
    .btn-primary:active { transform: translateY(0); }
    .btn-ghost { background: transparent; color: var(--c-primary-dark); border-color: #9ED4DB; }
    .btn-ghost:hover { background: var(--c-primary-soft); color: var(--c-primary-dark); }
    .btn-light { background: #fff; color: var(--c-ink); }
    .btn-light:hover { color: var(--c-ink); transform: translateY(-1px); }
    .btn-block { width: 100%; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 0; background: var(--c-bg-alt); border-radius: 12px;
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--c-ink); border-radius: 2px; }
    .drawer-overlay {
      position: fixed; inset: 0; background: rgba(18,52,60,.38); opacity: 0; pointer-events: none;
      transition: opacity .2s ease; z-index: var(--z-overlay);
    }
    .drawer-overlay.is-on { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(86vw, 360px); background: #fff;
      z-index: var(--z-drawer); transform: translateX(100%); transition: transform .28s ease;
      padding: 28px 22px; display: flex; flex-direction: column; gap: 18px; box-shadow: -12px 0 32px rgba(18,52,60,.12);
    }
    .drawer.is-on { transform: translateX(0); }
    .drawer a { display: block; padding: 12px 8px; color: var(--c-text); font-weight: 600; border-bottom: 1px solid var(--c-line); }
    main { display: block; }
    .section { padding: var(--space) 0; position: relative; }
    .section-alt { background: var(--c-bg-alt); }
    .section-paper { background: var(--c-cloud); }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head.wide { max-width: 880px; }
    .kicker { font-size: 13px; font-weight: 600; color: var(--c-primary-dark); letter-spacing: .08em; margin-bottom: 10px; }
    h1 { font-size: 44px; line-height: 1.22; font-weight: 700; letter-spacing: -.8px; color: var(--c-ink); }
    h2 { font-size: 30px; line-height: 1.3; font-weight: 700; letter-spacing: -.4px; color: var(--c-ink); margin-bottom: 14px; }
    h3 { font-size: 21px; line-height: 1.35; font-weight: 700; color: var(--c-ink); }
    .lead { color: var(--c-muted); font-size: 16px; }
    .hero {
      min-height: 84vh; padding: 36px 0 72px; overflow: hidden;
      background:
        radial-gradient(900px 420px at 88% 12%, rgba(91,124,250,.12), transparent 60%),
        radial-gradient(700px 380px at 8% 90%, rgba(15,154,168,.12), transparent 60%),
        linear-gradient(180deg, #EEF3F5 0%, #F3F6F8 100%);
    }
    .hero::before {
      content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .35;
      background-image:
        linear-gradient(rgba(18,52,60,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18,52,60,.04) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .hero-layout {
      display: grid; grid-template-columns: 1.02fr .98fr; gap: 48px; align-items: center; position: relative;
    }
    .hero-copy { max-width: 640px; }
    .hero-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
    .hero-brand strong { font-size: 15px; color: var(--c-ink); }
    .hero p.intro { margin: 18px 0 26px; color: var(--c-text); max-width: 620px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
    .hero-badges { display: flex; flex-wrap: wrap; gap: 8px; }
    .hero-stage { position: relative; min-height: 540px; }
    .hero-main-card {
      position: relative; z-index: 2; height: 470px; border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow-lg); background: var(--c-ink);
    }
    .slides { height: 100%; position: relative; }
    .slide { position: absolute; inset: 0; opacity: 0; transition: opacity .45s ease; }
    .slide.is-on { opacity: 1; }
    .slide img { width: 100%; height: 100%; object-fit: cover; }
    .slide-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(18,52,60,.78) 0%, rgba(18,52,60,.42) 42%, rgba(18,52,60,.08) 100%);
    }
    .slide-copy { position: absolute; left: 28px; right: 28px; bottom: 28px; color: #F4F8F9; max-width: 420px; }
    .slide-copy h3 { color: #F4F8F9; font-size: 22px; margin-bottom: 8px; }
    .slide-copy p { color: #D5E4E8; font-size: 14px; }
    .carousel-nav {
      position: absolute; top: 50%; left: 14px; right: 14px; transform: translateY(-50%);
      display: flex; justify-content: space-between; z-index: 3;
    }
    .carousel-nav button {
      width: 40px; height: 40px; border: 0; border-radius: 50%; background: rgba(255,255,255,.88); color: var(--c-ink); font-size: 18px;
    }
    .carousel-dots {
      position: absolute; right: 18px; bottom: 18px; z-index: 3; display: flex; gap: 8px;
    }
    .carousel-dots button {
      width: 8px; height: 8px; border-radius: 50%; border: 0; background: rgba(255,255,255,.45); padding: 0;
    }
    .carousel-dots button.is-on { background: #E08A3D; width: 18px; border-radius: 99px; }
    .hero-side {
      position: absolute; z-index: 4; width: 228px; background: #fff; border-radius: 24px; padding: 18px;
      box-shadow: var(--shadow-lg);
    }
    .hero-side.a { top: -18px; right: -18px; transform: rotate(2.2deg); }
    .hero-side.b { bottom: 18px; left: -32px; transform: rotate(-2deg); }
    .hero-side h3 { font-size: 16px; margin: 8px 0 6px; }
    .hero-side p { font-size: 13px; color: var(--c-muted); line-height: 1.6; }
    .hero-side img { width: 100%; height: 86px; object-fit: cover; border-radius: 14px; }
    .pain-list { display: grid; gap: 16px; }
    .pain-item {
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; background: #fff; border-radius: var(--radius);
      overflow: hidden; box-shadow: var(--shadow-sm); min-height: 118px;
    }
    .pain-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .pain-item > div { padding: 28px 32px; }
    .pain-left { background: #fff; }
    .pain-right { background: #F7FBFC; border-left: 1px solid var(--c-line); }
    .pain-left h3 { font-size: 18px; margin-bottom: 8px; }
    .pain-right strong { display: block; font-size: 13px; color: var(--c-accent); margin-bottom: 6px; }
    .pain-item p { color: var(--c-muted); font-size: 14px; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .split.reverse { grid-template-columns: .95fr 1.05fr; }
    .split-visual { position: relative; }
    .split-visual img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
    .float-chip {
      position: absolute; left: 18px; bottom: 18px; background: #fff; border-radius: 18px; padding: 14px 16px; box-shadow: var(--shadow);
      max-width: 230px;
    }
    .check-list { margin-top: 18px; display: grid; gap: 10px; }
    .check-list li { display: flex; gap: 10px; color: var(--c-text); font-size: 15px; }
    .check-list i {
      flex: 0 0 22px; height: 22px; border-radius: 50%; background: var(--c-primary-soft); color: var(--c-primary-dark);
      display: grid; place-items: center; font-style: normal; font-size: 12px; font-weight: 700; margin-top: 3px;
    }
    .scene-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
    .scene-bar button {
      border: 1px solid var(--c-line); background: #fff; color: var(--c-text); border-radius: var(--radius-pill);
      padding: 8px 16px; min-height: 44px; font-size: 14px; font-weight: 600;
    }
    .scene-bar button.is-on { background: var(--grad); color: #fff; border-color: transparent; }
    .scene-stage {
      display: grid; grid-template-columns: 1.25fr .75fr; gap: 22px; background: #fff; border-radius: var(--radius-lg);
      padding: 32px; box-shadow: var(--shadow);
    }
    .scene-stage img { width: 100%; height: 320px; object-fit: cover; border-radius: 22px; }
    .scene-points { margin-top: 16px; display: grid; gap: 8px; }
    .scene-points li { padding-left: 16px; position: relative; color: var(--c-muted); font-size: 14px; }
    .scene-points li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary); position: absolute; left: 0; top: 10px; }
    .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 28px; height: 2px; background: var(--grad); opacity: .55;
    }
    .step-card {
      background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); position: relative;
    }
    .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .step-no {
      width: 36px; height: 36px; border-radius: 50%; background: var(--grad); color: #fff; display: grid; place-items: center;
      font-weight: 700; margin-bottom: 16px; position: relative; z-index: 1;
    }
    .step-card h3 { font-size: 18px; margin-bottom: 10px; }
    .io { display: grid; gap: 8px; margin-top: 14px; font-size: 13px; color: var(--c-muted); }
    .io span { display: block; background: var(--c-cloud); border-radius: 10px; padding: 8px 10px; }
    .grid-23 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .adv-card {
      background: #fff; border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm);
      display: flex; flex-direction: column; gap: 12px; min-height: 280px;
    }
    .adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .icon-line {
      width: 40px; height: 40px; border-radius: 12px; background: var(--grad-soft); display: grid; place-items: center;
    }
    .icon-line svg { width: 24px; height: 24px; stroke: var(--c-primary-dark); fill: none; stroke-width: 1.8; }
    .adv-card h3 { font-size: 19px; }
    .adv-card p { color: var(--c-muted); font-size: 14px; }
    .module-bento { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
    .module-side { display: grid; gap: 18px; }
    .mod-card {
      position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 280px; color: #F4F8F9;
      box-shadow: var(--shadow); isolation: isolate;
    }
    .mod-card.tall { min-height: 578px; }
    .mod-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
    .mod-card::after {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(180deg, rgba(18,52,60,.18) 0%, rgba(18,52,60,.78) 72%);
    }
    .mod-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 28px 32px; }
    .mod-body h3 { color: #F4F8F9; margin: 10px 0; }
    .mod-body li { font-size: 14px; color: #D5E4E8; }
    .dark-band {
      background: linear-gradient(160deg, #12343C 0%, #164650 58%, #12343C 100%);
      color: #F4F8F9; padding: 96px 0; position: relative; overflow: hidden;
    }
    .dark-band::before {
      content: ""; position: absolute; width: 380px; height: 380px; border-radius: 50%;
      border: 40px solid rgba(15,154,168,.12); right: -80px; top: -90px;
    }
    .dark-band h2, .dark-band .lead { color: #F4F8F9; }
    .dark-band .lead { color: #C9D8DC; }
    .case-grid { display: grid; grid-template-columns: 1.2fr .9fr .9fr; gap: 16px; }
    .case-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 24px; padding: 28px; }
    .case-card.main { padding: 36px; }
    .quote { font-size: 18px; line-height: 1.6; margin: 16px 0; color: #F4F8F9; }
    .case-meta { color: #C9D8DC; font-size: 14px; }
    .stats {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
    }
    .stat {
      background: #fff; border-radius: 22px; padding: 28px 20px; text-align: left; box-shadow: var(--shadow-sm);
    }
    .stat b { display: block; font-size: 32px; color: var(--c-ink); letter-spacing: -.6px; }
    .stat b em { font-style: normal; font-size: 14px; margin-left: 4px; color: var(--c-primary-dark); }
    .stat span { display: block; margin-top: 6px; color: var(--c-muted); font-size: 13px; }
    .story { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; margin-bottom: 48px; }
    .story:last-child { margin-bottom: 0; }
    .story.reverse { grid-template-columns: 1.1fr .9fr; }
    .story img { width: 100%; height: 340px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow); }
    .story h3 { margin: 10px 0 12px; }
    .review-track {
      display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 1fr); gap: 16px;
      overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory;
    }
    .review-card {
      background: #fff; border-radius: 22px; padding: 24px; box-shadow: var(--shadow-sm); scroll-snap-align: start; min-height: 220px;
    }
    .stars { color: var(--c-accent); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review-card p { font-size: 14px; color: var(--c-text); margin-bottom: 14px; }
    .who { font-size: 13px; color: var(--c-muted); }
    .caps { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
    .caps button {
      border: 1px solid var(--c-line); background: #fff; border-radius: var(--radius-pill); padding: 8px 16px; min-height: 44px; font-weight: 600; color: var(--c-text);
    }
    .caps button.is-on { background: var(--c-ink); color: #fff; border-color: var(--c-ink); }
    .audience-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
    .aud-card {
      background: #fff; border-radius: 22px; padding: 22px; box-shadow: var(--shadow-sm); border: 2px solid transparent; min-height: 180px;
    }
    .aud-card.is-on { border-color: var(--c-primary); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
    .aud-card h3 { font-size: 17px; margin-bottom: 8px; }
    .aud-card p { font-size: 13px; color: var(--c-muted); }
    .bento { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
    .bento-main, .bento-side, .map-card, .flow-card {
      background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm);
    }
    .map-card img { height: 220px; width: 100%; object-fit: cover; border-radius: 16px; margin-bottom: 12px; }
    .flow { display: grid; gap: 12px; margin-top: 8px; }
    .flow li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; font-size: 14px; color: var(--c-muted); }
    .flow b { color: var(--c-ink); display: block; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: #fff; border-radius: 22px; padding: 22px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 8px; }
    .news-card time { font-size: 12px; color: var(--c-primary-dark); font-weight: 600; }
    .news-card h3 { font-size: 17px; }
    .news-card p { font-size: 14px; color: var(--c-muted); }
    .more-link { margin-top: 8px; font-weight: 600; color: var(--c-primary-dark); background: none; border: 0; padding: 0; text-align: left; }
    .board { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; }
    .badge-wall { display: flex; flex-wrap: wrap; gap: 10px; }
    .metric-row { margin-top: 8px; }
    .metric-row + .metric-row { margin-top: 16px; }
    .metric-row span { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 6px; }
    .bar { height: 10px; background: #E3EBEE; border-radius: 99px; overflow: hidden; }
    .bar i { display: block; height: 100%; background: var(--grad); border-radius: 99px; }
    .faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; }
    .faq-item { background: #fff; border-radius: 22px; margin-bottom: 12px; box-shadow: var(--shadow-sm); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: none; border: 0; padding: 20px 22px; display: flex; justify-content: space-between; gap: 12px;
      font-size: 16px; font-weight: 700; color: var(--c-ink); min-height: 64px; align-items: center;
    }
    .faq-item .plus { width: 22px; height: 22px; position: relative; flex: 0 0 auto; transition: transform .2s ease; }
    .faq-item .plus::before, .faq-item .plus::after {
      content: ""; position: absolute; background: var(--c-primary); border-radius: 2px; top: 50%; left: 50%; transform: translate(-50%, -50%);
    }
    .faq-item .plus::before { width: 14px; height: 2px; }
    .faq-item .plus::after { width: 2px; height: 14px; }
    .faq-item.is-open .plus { transform: rotate(45deg); }
    .faq-item .ans { display: none; padding: 0 22px 20px; color: var(--c-muted); font-size: 15px; }
    .faq-item.is-open .ans { display: block; }
    .cta-wrap {
      border-radius: 28px; padding: 36px; background:
        linear-gradient(135deg, rgba(15,154,168,.18), rgba(91,124,250,.12)),
        #fff;
      box-shadow: var(--shadow-lg); display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px;
    }
    .trust li { margin: 10px 0; color: var(--c-text); }
    .form { display: grid; gap: 12px; background: #fff; border-radius: 22px; padding: 22px; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    label { font-size: 13px; font-weight: 600; color: var(--c-ink); display: block; margin-bottom: 6px; }
    .req { color: #C45C2D; }
    input, select, textarea {
      width: 100%; border: 1px solid var(--c-line); border-radius: 12px; padding: 12px 12px; min-height: 44px; background: #fff; color: var(--c-text);
    }
    textarea { min-height: 96px; resize: vertical; }
    .form-note { font-size: 12px; color: var(--c-muted); }
    .form-ok { background: #E7F6EA; color: #215C32; padding: 12px 14px; border-radius: 12px; }
    .form-err { background: #FDECEA; color: #8A2B22; padding: 12px 14px; border-radius: 12px; }
    .site-footer { background: var(--c-ink); color: #C9D8DC; padding: 64px 0 28px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .9fr 1fr; gap: 28px; margin-bottom: 36px; }
    .site-footer h3 { color: #F4F8F9; font-size: 16px; margin-bottom: 12px; }
    .site-footer a { color: #C9D8DC; display: inline-block; margin: 4px 0; }
    .site-footer a:hover { color: #F3C48A; }
    .copy { border-top: 1px solid rgba(255,255,255,.08); padding-top: 18px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .legal { font-size: 13px; line-height: 1.8; }
    @media (hover: hover) {
      .pain-item, .step-card, .adv-card, .aud-card, .news-card, .review-card { transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
    }
    @media (max-width: 1280px) {
      h1 { font-size: 40px; }
      .hero-side.a { right: 0; }
      .hero-side.b { left: -8px; }
      .audience-grid, .news-grid, .stats { grid-template-columns: repeat(3, 1fr); }
      .case-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 1024px) {
      :root { --space: 80px; }
      h1 { font-size: 36px; }
      h2 { font-size: 28px; }
      .nav-links { display: none; }
      .menu-toggle { display: flex; }
      .hero { min-height: 0; }
      .hero-layout, .split, .split.reverse, .scene-stage, .module-bento, .board, .faq-layout, .cta-wrap, .story, .story.reverse, .bento, .foot-grid {
        grid-template-columns: 1fr;
      }
      .story.reverse .story-visual { order: -1; }
      .split.reverse .split-visual { order: -1; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .grid-23 { grid-template-columns: 1fr 1fr; }
      .mod-card.tall { min-height: 360px; }
      .hero-stage { min-height: 0; }
      .hero-side { position: static; width: 100%; transform: none; margin-top: 12px; }
      .hero-main-card { height: 380px; }
      .carousel-nav { display: none; }
      .topbar-left .hide-m, .topbar .dot { display: none; }
    }
    @media (max-width: 768px) {
      :root { --space: 56px; }
      .container, .topbar-inner, .nav-inner { width: min(100% - 28px, var(--container)); }
      h1 { font-size: 30px; }
      h2 { font-size: 24px; }
      .hero { padding: 20px 0 48px; }
      .hero-main-card { height: 300px; }
      .pain-item, .form-row { grid-template-columns: 1fr; }
      .pain-item > div { padding: 20px; }
      .pain-right { border-left: 0; border-top: 1px solid var(--c-line); }
      .grid-23, .timeline, .stats, .audience-grid, .news-grid, .case-grid { grid-template-columns: 1fr; }
      .cta-wrap, .scene-stage, .adv-card, .section { }
      .adv-card, .scene-stage, .cta-wrap, .step-card, .bento-main, .bento-side { padding: 20px; }
      .logo-text { font-size: 16px; }
      .copy { flex-direction: column; }
      .section-head { margin-bottom: 24px; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 28px; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .badge { font-size: 11px; }
      .topbar { font-size: 12px; }
      .slide-copy { left: 16px; right: 16px; bottom: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }