/* roulang page: index */
:root {
      --primary: #1B7A6A;
      --primary-dark: #156457;
      --primary-deep: #0F4F44;
      --secondary: #3E4A4F;
      --secondary-soft: #5C6B70;
      --accent: #C8892A;
      --accent-dark: #A46E1F;
      --bg: #F6F8F7;
      --bg-soft: #EEF3F0;
      --bg-white: #FFFFFF;
      --dark: #14302B;
      --dark-steel: #1A2422;
      --text: #1C2422;
      --text-muted: #5A6561;
      --text-on-dark: #F3F1EA;
      --border: #D7E2DD;
      --border-strong: #B7C7C0;
      --danger: #A24B32;
      --success: #1B7A6A;
      --shadow: 0 8px 24px rgba(20, 48, 43, .06);
      --shadow-hover: 0 10px 26px rgba(20, 48, 43, .10);
      --radius-card: 10px;
      --radius-btn: 5px;
      --radius-sm: 6px;
      --container: 1240px;
      --space: 24px;
      --nav-h: 72px;
      --font: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --mono: "DIN Alternate", "Tabular nums", "Source Han Sans SC", monospace;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--primary-dark); text-decoration: underline; }
    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; }
    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 3px;
    }
    .skip-link {
      position: absolute;
      left: 12px;
      top: -40px;
      background: var(--primary);
      color: #fff;
      padding: 8px 12px;
      z-index: 1000;
      border-radius: var(--radius-btn);
    }
    .skip-link:focus { top: 12px; color: #fff; text-decoration: none; }
    .container {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      letter-spacing: .08em;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 10px;
    }
    .kicker::before {
      content: "";
      width: 18px;
      height: 1px;
      background: var(--primary);
    }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head h2 {
      font-size: 30px;
      line-height: 1.28;
      font-weight: 700;
      letter-spacing: -.02em;
      color: var(--text);
    }
    .section-head h2::after {
      content: "";
      display: block;
      width: 42px;
      height: 3px;
      margin-top: 10px;
      background: linear-gradient(90deg, var(--primary), rgba(27,122,106,.15));
    }
    .section-head .lead {
      margin-top: 16px;
      color: var(--text-muted);
      font-size: 15.5px;
      line-height: 1.8;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-size: 15px;
      font-weight: 600;
      letter-spacing: .02em;
      transition: background .2s ease, border-color .2s ease, transform .15s ease, box-shadow .2s ease;
      text-decoration: none;
      cursor: pointer;
    }
    .btn:hover { text-decoration: none; }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 1px 0 rgba(255,255,255,.12) inset;
    }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
    .btn-primary:active { background: var(--primary-deep); transform: translateY(1px); }
    .btn-accent {
      background: var(--accent);
      color: #fff;
    }
    .btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); }
    .btn-ghost {
      background: #fff;
      color: var(--secondary);
      border-color: var(--secondary-soft);
    }
    .btn-ghost:hover { background: var(--bg-soft); color: var(--text); }
    .btn-dark {
      background: transparent;
      color: var(--text-on-dark);
      border-color: rgba(243,241,234,.35);
    }
    .btn-dark:hover { background: rgba(243,241,234,.08); color: #fff; }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      min-height: 28px;
      padding: 0 10px;
      border: 1px solid var(--border);
      border-radius: 999px;
      font-size: 12px;
      color: var(--secondary);
      background: rgba(255,255,255,.72);
      white-space: nowrap;
    }
    .badge i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--primary);
    }
    header.nav-dual {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(246,248,247,.92);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
    }
    .nav-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 34px;
      background: #E4EEE9;
      color: var(--secondary);
      font-size: 12.5px;
    }
    .nav-top .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      width: min(100% - 40px, var(--container));
    }
    .nav-top-left, .nav-top-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .nav-top a { color: var(--secondary); text-decoration: none; }
    .nav-top a:hover { color: var(--primary); }
    .iso-chip {
      border: 1px solid #B7D0C8;
      background: #F4FBF8;
      color: var(--primary-dark);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
      letter-spacing: .04em;
    }
    .nav-main { min-height: var(--nav-h); }
    .nav-main .container {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      text-decoration: none;
      flex-shrink: 0;
    }
    .nav-logo:hover { color: var(--text); text-decoration: none; }
    .logo-mark {
      width: 34px;
      height: 34px;
      border: 1px solid var(--primary);
      border-radius: 6px;
      position: relative;
      background:
        linear-gradient(var(--primary), var(--primary)) center/18px 1px no-repeat,
        linear-gradient(var(--primary), var(--primary)) center/1px 18px no-repeat,
        #fff;
    }
    .logo-mark::after {
      content: "";
      position: absolute;
      inset: 5px;
      border: 1px solid rgba(27,122,106,.35);
      border-radius: 2px;
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 16px; font-weight: 700; letter-spacing: .02em; }
    .logo-text span { font-size: 11px; color: var(--text-muted); letter-spacing: .12em; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative;
      color: var(--text);
      text-decoration: none;
      font-size: 14.5px;
      font-weight: 600;
      padding: 10px 12px;
      min-height: 44px;
      display: inline-flex;
      align-items: center;
    }
    .nav-links a:hover { color: var(--primary); text-decoration: none; }
    .nav-links a.active::after,
    .nav-links a:hover::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 6px;
      height: 2px;
      background: var(--primary);
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--border);
      background: #fff;
      border-radius: var(--radius-btn);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .nav-toggle span {
      width: 18px;
      height: 1.5px;
      background: var(--text);
      display: block;
    }
    .drawer {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(20,48,43,.46);
      z-index: 90;
    }
    .drawer-panel {
      margin-left: auto;
      width: min(86vw, 360px);
      height: 100%;
      background: #fff;
      padding: 24px 20px 32px;
      overflow: auto;
    }
    .drawer-panel a {
      display: flex;
      align-items: center;
      min-height: 48px;
      border-bottom: 1px solid var(--border);
      color: var(--text);
      text-decoration: none;
      font-weight: 600;
    }
    body.nav-lock { overflow: hidden; }
    .hero-carousel {
      position: relative;
      min-height: 88vh;
      background: var(--dark);
      overflow: hidden;
    }
    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      transform: translateX(24px);
      transition: opacity .8s ease, transform .8s ease;
      pointer-events: none;
    }
    .hero-slide.is-active {
      opacity: 1;
      transform: none;
      pointer-events: auto;
      z-index: 1;
    }
    .hero-slide img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      filter: saturate(.86) contrast(1.05);
    }
    .hero-mask {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, rgba(16,36,32,.82) 0%, rgba(16,36,32,.55) 46%, rgba(16,36,32,.22) 100%),
        linear-gradient(180deg, rgba(16,36,32,.28), transparent 24%, rgba(16,36,32,.45) 100%);
    }
    .crosshair {
      position: absolute;
      inset: 18px;
      border: 1px solid rgba(243,241,234,.12);
      pointer-events: none;
    }
    .crosshair::before, .crosshair::after {
      content: "";
      position: absolute;
      background: rgba(243,241,234,.16);
    }
    .crosshair::before { left: 50%; top: 12px; bottom: 12px; width: 1px; }
    .crosshair::after { top: 50%; left: 12px; right: 12px; height: 1px; }
    .hero-inner {
      position: relative;
      z-index: 2;
      min-height: 88vh;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 28px 0 72px;
    }
    .store-series {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      padding: 8px;
      margin-bottom: 28px;
      background: rgba(20,48,43,.42);
      border: 1px solid rgba(243,241,234,.16);
      border-radius: 8px;
      backdrop-filter: blur(8px);
      width: fit-content;
      max-width: 100%;
    }
    .store-series a, .store-series span {
      color: var(--text-on-dark);
      text-decoration: none;
      font-size: 13px;
      font-weight: 600;
      padding: 8px 12px;
      min-height: 40px;
      display: inline-flex;
      align-items: center;
      border-radius: 4px;
    }
    .store-series span { color: #CDE7E0; letter-spacing: .14em; font-size: 12px; }
    .store-series a:hover { background: rgba(243,241,234,.1); text-decoration: none; color: #fff; }
    .store-series .enter {
      background: var(--accent);
      color: #fff;
      margin-left: 4px;
    }
    .store-series .enter:hover { background: var(--accent-dark); color: #fff; }
    .hero-copy { max-width: 760px; color: var(--text-on-dark); }
    .hero-copy h1, .hero-copy .slide-title {
      font-size: 44px;
      line-height: 1.18;
      font-weight: 700;
      letter-spacing: -.03em;
      margin-bottom: 16px;
    }
    .hero-copy .sub {
      font-size: 18px;
      color: #E7E3D6;
      margin-bottom: 14px;
      font-weight: 600;
    }
    .hero-copy .intro {
      font-size: 15.5px;
      line-height: 1.85;
      color: rgba(243,241,234,.88);
      max-width: 640px;
      margin-bottom: 26px;
    }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-controls {
      position: absolute;
      right: max(20px, calc((100% - var(--container)) / 2));
      bottom: 28px;
      z-index: 3;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .hero-arrow {
      width: 44px;
      height: 44px;
      border: 1px solid rgba(243,241,234,.28);
      background: rgba(20,48,43,.35);
      color: #fff;
      border-radius: 4px;
    }
    .hero-arrow:hover { background: rgba(27,122,106,.8); }
    .hero-dots { display: flex; gap: 6px; }
    .hero-dots button {
      width: 18px;
      height: 3px;
      border: 0;
      background: rgba(243,241,234,.35);
      border-radius: 2px;
      padding: 0;
      min-height: 12px;
      background-clip: content-box;
      padding: 4px 0;
    }
    .hero-dots button.is-active {
      width: 34px;
      background: var(--accent);
      background-clip: content-box;
    }
    section { padding: 96px 0; position: relative; }
    section.alt { background: var(--bg-soft); }
    section.plain { background: var(--bg-white); }
    #trust {
      padding: 22px 0;
      background: #fff;
      border-bottom: 1px solid var(--border);
    }
    .trust-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      overflow: hidden;
    }
    .trust-row h2 { font-size: 14px; color: var(--text-muted); font-weight: 600; white-space: nowrap; }
    .trust-track {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }
    .split {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 48px;
      align-items: center;
    }
    .split.reverse { grid-template-columns: .86fr 1.14fr; }
    .split-media {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
    }
    .split-media img { width: 100%; height: 460px; object-fit: cover; }
    .seal {
      position: absolute;
      top: 14px;
      right: 14px;
      background: #fff;
      border: 1px solid var(--border);
      padding: 8px 10px;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-dark);
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
    }
    .metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      margin-top: 22px;
    }
    .metric {
      border: 1px solid var(--border);
      background: #fff;
      padding: 14px 14px 12px;
      border-radius: 8px;
    }
    .metric b {
      display: block;
      font-size: 18px;
      font-variant-numeric: tabular-nums;
      color: var(--primary-dark);
    }
    .metric span { font-size: 12px; color: var(--text-muted); }
    .pain-grid {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 28px;
    }
    .pain-item {
      display: grid;
      grid-template-columns: 64px 1fr;
      gap: 16px;
      padding: 18px 0;
      border-bottom: 1px solid var(--border);
    }
    .pain-item:last-child { border-bottom: 0; }
    .pain-no {
      font-size: 28px;
      font-weight: 700;
      color: var(--primary);
      font-variant-numeric: tabular-nums;
      letter-spacing: -.04em;
    }
    .pain-item h3 { font-size: 18px; margin-bottom: 6px; }
    .pain-item p { color: var(--text-muted); font-size: 15px; }
    .pain-aside {
      background: var(--dark);
      color: var(--text-on-dark);
      padding: 32px 28px;
      border-radius: 12px;
      min-height: 100%;
      background-image:
        linear-gradient(rgba(243,241,234,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(243,241,234,.06) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .pain-aside h3 { font-size: 22px; margin-bottom: 12px; }
    .pain-aside p { color: rgba(243,241,234,.82); margin-bottom: 18px; }
    .pain-aside ul li {
      padding: 8px 0 8px 16px;
      position: relative;
      color: #E7E3D6;
      font-size: 14.5px;
    }
    .pain-aside ul li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 16px;
      width: 8px;
      height: 1px;
      background: var(--accent);
    }
    .grid-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .cap-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 22px 20px 20px;
      box-shadow: var(--shadow);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
      min-height: 100%;
      display: flex;
      flex-direction: column;
    }
    .cap-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .cap-icon {
      width: 42px;
      height: 42px;
      border: 1px solid var(--border-strong);
      border-radius: 8px;
      display: grid;
      place-items: center;
      margin-bottom: 14px;
      color: var(--primary);
    }
    .cap-card h3 { font-size: 17px; margin-bottom: 8px; }
    .cap-card p { color: var(--text-muted); font-size: 14.5px; flex: 1; }
    .cap-card a { margin-top: 14px; font-size: 14px; font-weight: 700; text-decoration: none; }
    .cap-card a:hover { text-decoration: underline; }
    .scene-board {
      display: grid;
      grid-template-columns: 1.45fr 1fr 1fr;
      grid-template-rows: 250px 210px;
      gap: 14px;
    }
    .scene-card {
      position: relative;
      overflow: hidden;
      border-radius: 12px;
      border: 1px solid var(--border);
      min-height: 180px;
    }
    .scene-card:first-child { grid-row: 1 / 3; }
    .scene-card img { width: 100%; height: 100%; object-fit: cover; }
    .scene-card figcaption {
      position: absolute;
      inset: auto 0 0 0;
      padding: 18px 16px 16px;
      background: linear-gradient(transparent, rgba(16,36,32,.86));
      color: #fff;
    }
    .scene-card h3 { font-size: 18px; margin-bottom: 6px; }
    .scene-card p { font-size: 13.5px; color: #E7E3D6; margin-bottom: 8px; }
    .scene-card a { color: #fff; font-weight: 700; font-size: 13px; }
    .product-3 {
      display: grid;
      grid-template-columns: 1.28fr .86fr .86fr;
      gap: 16px;
      align-items: stretch;
    }
    .product-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      transition: transform .2s ease, border-color .2s ease;
    }
    .product-card:hover { transform: translateY(-2px); border-color: var(--primary); }
    .product-card img { width: 100%; height: 230px; object-fit: cover; }
    .product-card.featured img { height: 320px; }
    .product-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .product-body h3 { font-size: 18px; }
    .product-body p { color: var(--text-muted); font-size: 14.5px; }
    .spec {
      font-size: 13px;
      color: var(--primary-dark);
      background: var(--bg-soft);
      border-left: 3px solid var(--primary);
      padding: 8px 10px;
    }
    .product-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 10px; flex-wrap: wrap; }
    .demo-layout {
      display: grid;
      grid-template-columns: .9fr 1.3fr;
      gap: 28px;
      align-items: start;
    }
    .process { display: flex; flex-direction: column; gap: 0; }
    .process li {
      display: grid;
      grid-template-columns: 28px 1fr;
      gap: 12px;
      padding: 12px 0;
      border-left: 1px dashed var(--border-strong);
      margin-left: 10px;
      padding-left: 18px;
      position: relative;
    }
    .process li::before {
      content: "";
      width: 9px;
      height: 9px;
      border: 2px solid var(--primary);
      background: #fff;
      border-radius: 50%;
      position: absolute;
      left: -6px;
      top: 20px;
    }
    .process strong { display: block; font-size: 15px; }
    .process span { color: var(--text-muted); font-size: 13.5px; }
    .demo-stage {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .demo-tabs { display: flex; border-bottom: 1px solid var(--border); }
    .demo-tabs button {
      flex: 1;
      min-height: 48px;
      border: 0;
      background: #fff;
      color: var(--text-muted);
      font-weight: 700;
      font-size: 14px;
    }
    .demo-tabs button.is-active {
      color: var(--primary-dark);
      box-shadow: inset 0 -3px 0 var(--primary);
      background: #F4FBF8;
    }
    .demo-view { position: relative; }
    .demo-view img { width: 100%; height: 390px; object-fit: cover; display: none; }
    .demo-view img.is-show { display: block; }
    .demo-caption {
      padding: 14px 16px 16px;
      font-size: 14px;
      color: var(--text-muted);
      background: #fff;
    }
    .dark-band {
      background: var(--dark);
      color: var(--text-on-dark);
      padding: 100px 0;
      background-image:
        linear-gradient(rgba(243,241,234,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(243,241,234,.045) 1px, transparent 1px);
      background-size: 36px 36px;
    }
    .dark-band .section-head h2, .dark-band h2 { color: var(--text-on-dark); }
    .dark-band .section-head h2::after { background: var(--accent); }
    .dark-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 36px;
      align-items: stretch;
    }
    .idea-list { margin-top: 18px; }
    .idea-list li {
      padding: 14px 0;
      border-top: 1px solid rgba(243,241,234,.12);
      color: #E7E3D6;
    }
    .idea-list strong { color: #fff; display: block; margin-bottom: 4px; }
    .case-slice {
      background: rgba(255,255,255,.04);
      border: 1px solid rgba(243,241,234,.12);
      border-radius: 12px;
      overflow: hidden;
    }
    .case-slice img { width: 100%; height: 240px; object-fit: cover; }
    .case-slice div { padding: 20px; }
    .case-slice h3 { margin-bottom: 8px; font-size: 20px; }
    .case-axis {
      display: grid;
      grid-template-columns: 180px 1fr;
      gap: 0 24px;
    }
    .axis-item { display: contents; }
    .axis-time {
      padding: 8px 0 40px;
      color: var(--primary-dark);
      font-weight: 700;
      font-variant-numeric: tabular-nums;
      border-right: 1px solid var(--border);
      padding-right: 18px;
      position: relative;
    }
    .axis-time::after {
      content: "";
      width: 9px;
      height: 9px;
      background: var(--primary);
      border-radius: 50%;
      position: absolute;
      right: -5px;
      top: 14px;
    }
    .axis-card {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 16px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 18px;
      box-shadow: var(--shadow);
    }
    .axis-card img { width: 100%; height: 100%; min-height: 160px; object-fit: cover; }
    .axis-card div { padding: 16px 16px 16px 0; }
    .axis-card h3 { font-size: 18px; margin-bottom: 6px; }
    .axis-card p { color: var(--text-muted); font-size: 14.5px; }
    .coupon-visual {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      gap: 24px;
      margin-bottom: 28px;
      align-items: center;
    }
    .coupon-visual img {
      width: 100%;
      height: 240px;
      object-fit: cover;
      border-radius: 12px;
      border: 1px solid var(--border);
    }
    .coupon-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .coupon-card {
      position: relative;
      background: #fff;
      border: 1px dashed #B9C9C2;
      border-radius: 10px;
      padding: 22px 18px 18px;
      box-shadow: var(--shadow);
      overflow: hidden;
    }
    .coupon-card::before, .coupon-card::after {
      content: "";
      position: absolute;
      width: 18px;
      height: 18px;
      background: var(--bg-soft);
      border-radius: 50%;
      top: 62px;
    }
    .coupon-card::before { left: -9px; }
    .coupon-card::after { right: -9px; }
    .coupon-card .fold {
      position: absolute;
      top: 0;
      right: 0;
      width: 0;
      height: 0;
      border-top: 22px solid var(--primary);
      border-left: 22px solid transparent;
    }
    .coupon-card.hot {
      background: #14302B;
      color: var(--text-on-dark);
      border-style: solid;
      border-color: var(--accent);
    }
    .coupon-card.hot::before, .coupon-card.hot::after { background: var(--bg); }
    .coupon-card .tag { font-size: 12px; color: var(--accent-dark); font-weight: 700; letter-spacing: .08em; }
    .coupon-card.hot .tag { color: var(--accent); }
    .coupon-card h3 { font-size: 20px; margin: 8px 0; }
    .coupon-card p { font-size: 14.5px; color: var(--text-muted); min-height: 72px; }
    .coupon-card.hot p { color: #D9D4C6; }
    .coupon-card .price-note {
      font-size: 13px;
      padding-top: 10px;
      border-top: 1px dashed var(--border);
      margin: 10px 0 14px;
    }
    .rules {
      margin-top: 22px;
      padding: 16px 18px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--text-muted);
      font-size: 14px;
    }
    .story-grid {
      display: grid;
      grid-template-columns: 1.35fr .65fr;
      gap: 18px;
    }
    .story-main {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      min-height: 420px;
      border: 1px solid var(--border);
    }
    .story-main img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .story-main .txt {
      position: relative;
      z-index: 1;
      background: linear-gradient(transparent 20%, rgba(16,36,32,.88));
      color: #fff;
      min-height: 420px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 28px;
    }
    .story-side { display: flex; flex-direction: column; gap: 14px; }
    .quote-block {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 20px;
      flex: 1;
    }
    .quote-block p { font-size: 15px; }
    .quote-block cite { display: block; margin-top: 12px; color: var(--text-muted); font-style: normal; font-size: 13px; }
    #stats { padding: 42px 0; background: #E8F0EC; }
    .stats {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 0;
    }
    .stat-item {
      text-align: center;
      padding: 8px 10px;
      border-right: 1px solid #C5D5CE;
    }
    .stat-item:last-child { border-right: 0; }
    .stat-item b {
      display: block;
      font-size: 30px;
      line-height: 1.1;
      color: var(--primary-deep);
      font-variant-numeric: tabular-nums;
      letter-spacing: -.03em;
    }
    .stat-item span { font-size: 12.5px; color: var(--text-muted); }
    .quote-masonry {
      columns: 3;
      column-gap: 16px;
    }
    .quote-card {
      break-inside: avoid;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 18px 16px;
      margin-bottom: 16px;
      box-shadow: var(--shadow);
    }
    .quote-card .who {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 10px;
    }
    .avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-soft);
      color: var(--primary-dark);
      display: grid;
      place-items: center;
      font-size: 12px;
      font-weight: 700;
      border: 1px solid var(--border);
    }
    .dots { display: flex; gap: 4px; }
    .dots i { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; display: block; }
    .quote-card p { font-size: 14.5px; color: var(--text); }
    .quote-card small { color: var(--text-muted); }
    .testi-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .testi {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      display: grid;
      grid-template-columns: 180px 1fr;
    }
    .testi img { width: 100%; height: 100%; object-fit: cover; min-height: 220px; }
    .testi-body { padding: 22px 20px; }
    .big-line {
      font-size: 22px;
      line-height: 1.4;
      font-weight: 700;
      color: var(--primary-deep);
      margin: 8px 0 12px;
    }
    .news-list { display: grid; gap: 14px; }
    .news-card {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 18px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .news-card img { width: 100%; height: 140px; object-fit: cover; }
    .news-card div { padding: 16px 16px 16px 0; }
    .news-card time { font-size: 12px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
    .news-card h3 { font-size: 18px; margin: 6px 0; }
    .news-card p { color: var(--text-muted); font-size: 14.5px; }
    .news-more { margin-top: 18px; }
    .accordion { border-top: 1px solid var(--border-strong); }
    .acc-item { border-bottom: 1px solid var(--border); background: #fff; }
    .acc-item.is-open { box-shadow: inset 3px 0 0 var(--primary); }
    .acc-item button {
      width: 100%;
      text-align: left;
      background: transparent;
      border: 0;
      min-height: 58px;
      padding: 14px 44px 14px 16px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      position: relative;
    }
    .acc-item button::after {
      content: "+";
      position: absolute;
      right: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--primary);
      font-size: 20px;
    }
    .acc-item.is-open button::after { content: "–"; }
    .acc-panel {
      display: none;
      padding: 0 16px 16px;
      color: var(--text-muted);
      font-size: 15px;
    }
    .acc-item.is-open .acc-panel { display: block; }
    #contact {
      background: #EAF3EF;
      padding: 92px 0;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 32px;
      align-items: start;
    }
    .guarantee {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin: 18px 0 16px;
    }
    .guarantee div {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 12px;
      font-size: 14px;
    }
    .form {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 22px;
      box-shadow: var(--shadow);
    }
    .form-row { margin-bottom: 12px; }
    .form label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
    .form input, .form select, .form textarea {
      width: 100%;
      min-height: 44px;
      border: 1px solid var(--secondary-soft);
      border-radius: 5px;
      padding: 8px 12px;
      background: #fff;
      color: var(--text);
      font-size: 15px;
    }
    .form textarea { min-height: 96px; resize: vertical; }
    .form input:focus, .form select:focus, .form textarea:focus {
      outline: 2px solid var(--primary);
      outline-offset: 1px;
      border-color: var(--primary);
    }
    .form .error { color: var(--danger); font-size: 13px; margin-top: 6px; display: none; }
    .form .is-invalid { border-color: var(--danger); }
    .form-success {
      display: none;
      background: #F1F8F5;
      border: 1px solid var(--primary);
      color: var(--primary-deep);
      padding: 12px 14px;
      border-radius: 8px;
      margin-bottom: 12px;
    }
    .side-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
    footer {
      background: var(--dark);
      color: var(--text-on-dark);
      padding: 56px 0 24px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr .8fr 1fr;
      gap: 28px;
      margin-bottom: 28px;
    }
    footer a { color: #D9D4C6; text-decoration: none; }
    footer a:hover { color: #fff; }
    .foot-brand strong { display: block; font-size: 18px; margin-bottom: 10px; }
    .foot-brand p { color: #C9C4B6; font-size: 14px; }
    footer h3 { font-size: 14px; margin-bottom: 10px; letter-spacing: .12em; color: #A9D7CC; }
    footer ul li { margin: 6px 0; }
    .foot-bottom {
      border-top: 1px solid rgba(243,241,234,.12);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      color: #B7B2A4;
      font-size: 13px;
    }
    .legal-fold { margin-top: 8px; color: #B7B2A4; font-size: 13px; display: none; }
    .legal-fold.open { display: block; }
    .foot-toggle {
      background: transparent;
      border: 0;
      color: #D9D4C6;
      padding: 0;
      min-height: 32px;
    }
    @media (max-width: 1024px) {
      .nav-links, .nav-cta .btn { display: none; }
      .nav-toggle { display: inline-flex; }
      .drawer.open { display: block; }
      .hero-copy h1, .hero-copy .slide-title { font-size: 34px; }
      .split, .split.reverse, .pain-grid, .demo-layout, .dark-grid, .coupon-visual, .story-grid, .contact-grid, .testi-grid, .case-axis {
        grid-template-columns: 1fr;
      }
      .grid-6, .coupon-grid, .product-3 { grid-template-columns: 1fr 1fr; }
      .scene-board { grid-template-columns: 1fr 1fr; grid-template-rows: 240px 200px 200px; }
      .scene-card:first-child { grid-row: auto; grid-column: 1 / -1; min-height: 260px; }
      .stats { grid-template-columns: repeat(3, 1fr); gap: 16px 0; }
      .stat-item { border-right: 0; border-bottom: 1px solid #C5D5CE; padding: 12px; }
      .quote-masonry { columns: 2; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .axis-time { border-right: 0; padding-bottom: 6px; }
      .axis-card, .testi, .news-card { grid-template-columns: 1fr; }
      .axis-card div, .news-card div { padding: 16px; }
      .split-media img, .demo-view img { height: 320px; }
      .product-card.featured img, .product-card img { height: 220px; }
    }
    @media (max-width: 768px) {
      section { padding: 64px 0; }
      .dark-band { padding: 68px 0; }
      .container { width: min(100% - 32px, var(--container)); }
      .nav-top-right { display: none; }
      .hero-carousel, .hero-inner { min-height: 78vh; }
      .hero-copy h1, .hero-copy .slide-title { font-size: 30px; }
      .section-head h2 { font-size: 24px; }
      .grid-6, .coupon-grid, .product-3, .guarantee, .stats { grid-template-columns: 1fr; }
      .scene-board { grid-template-columns: 1fr; grid-template-rows: none; }
      .scene-card { min-height: 220px; }
      .quote-masonry { columns: 1; }
      .metrics { grid-template-columns: 1fr; }
      .hero-controls { left: 20px; right: auto; }
      .store-series { width: 100%; }
      .process { display: grid; grid-template-columns: 1fr 1fr; }
      .process li { border-left: 0; margin-left: 0; padding-left: 0; }
      .process li::before { display: none; }
      .btn.full { width: 100%; }
      .foot-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 375px) {
      .hero-copy h1, .hero-copy .slide-title { font-size: 26px; }
      .store-series a, .store-series span { padding: 8px; font-size: 12px; }
      .hero-actions .btn { width: 100%; }
      body { font-size: 15px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation: none !important;
        transition: none !important;
      }
    }