:root {
  --ink: #17212b;
  --muted: #64717d;
  --line: #e2e8ee;
  --paper: #ffffff;
  --soft: #f6fafb;
  --mist: #e7f2f3;
  --brand: #0f6f73;
  --brand-dark: #084c4f;
  --accent: #d58b70;
  --cream: #fff7f2;
  --shadow: 0 18px 50px rgba(24, 43, 53, .10);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  background: var(--paper);
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 16px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(226,232,238,.9);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
}
.brand {
  color: var(--brand-dark);
  font-size: 25px;
  font-weight: 900;
  text-decoration: none;
  letter-spacing: 0;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 15px;
}
nav a { text-decoration: none; }
nav a:hover { color: var(--brand); }

.hero-photo {
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 560px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(48px, 7vw, 96px) clamp(20px, 7vw, 96px);
  background:
    radial-gradient(circle at 85% 22%, rgba(213,139,112,.18), transparent 28%),
    linear-gradient(135deg, #f7fbfb 0%, #ffffff 46%, #edf6f6 100%);
}
.hero-copy { max-width: 760px; }
.eyebrow {
  color: var(--accent);
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 12px;
}
h1, h2, h3 { line-height: 1.22; margin: 0 0 16px; letter-spacing: 0; }
h1 { font-size: clamp(40px, 6vw, 78px); }
h2 { font-size: clamp(28px, 3.5vw, 46px); }
h3 { font-size: 23px; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--muted); max-width: 820px; }
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.hero-points span {
  padding: 8px 14px;
  border: 1px solid rgba(15,111,115,.22);
  border-radius: 999px;
  color: var(--brand-dark);
  background: rgba(255,255,255,.8);
  font-weight: 700;
}
.hero-image {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}
.hero-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip div {
  padding: 26px clamp(18px, 4vw, 44px);
  background: #fff;
}
.trust-strip strong {
  display: block;
  color: var(--brand);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.1;
}
.trust-strip span { color: var(--muted); }

.global-market-strip {
  padding: 54px clamp(20px, 7vw, 96px);
  color: #fff;
  background: linear-gradient(135deg, var(--brand-dark), #123f52);
}
.global-market-heading { max-width: 840px; }
.global-market-heading h2 { color: #fff; }
.global-market-heading p { color: rgba(255,255,255,.8); }
.global-market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.global-market-grid article { display: grid; gap: 9px; padding: 24px; border: 1px solid rgba(255,255,255,.18); border-radius: 18px; background: rgba(255,255,255,.08); }
.global-market-grid span { color: rgba(255,255,255,.78); font-weight: 800; }
.global-market-grid strong { color: #fff; font-size: clamp(30px, 4vw, 46px); }
.global-market-grid small { color: rgba(255,255,255,.72); }
.global-market-grid a { margin-top: 8px; color: #fff; font-weight: 900; }

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 460px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 76px clamp(20px, 7vw, 96px);
}
.split-section.reverse {
  grid-template-columns: minmax(320px, 460px) minmax(0, 1fr);
}
.split-section.reverse .split-copy { order: 2; }
.split-copy p { color: var(--muted); font-size: 17px; }
.split-section > img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.image-card {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}
.image-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}
.text-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--brand);
  font-weight: 800;
  text-decoration: none;
  border-bottom: 2px solid rgba(15,111,115,.25);
}
.primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: var(--brand);
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(15,111,115,.18);
}
.primary-action:hover { background: var(--brand-dark); }
.hero-action { margin-top: 26px; }

.first-order-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--brand);
  border-radius: 999px;
  background: #fff;
  color: var(--brand);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.secondary-action:hover,
.secondary-action:focus-visible { background: #fff6ee; }

.copy-feedback {
  min-height: 1.5em;
  color: var(--brand);
  font-weight: 700;
}

.band {
  padding: 68px clamp(20px, 6vw, 88px);
  background: var(--soft);
}
.band.refined {
  background:
    linear-gradient(180deg, #f7fbfb 0%, #fff 100%);
}
.section-title {
  max-width: 860px;
  margin-bottom: 34px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.page > .feature-grid {
  padding: 64px clamp(20px, 7vw, 96px);
}
.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 10px 30px rgba(24,43,53,.06);
}
.feature-grid.compact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 20px 0 30px;
}
.feature-grid.compact-grid article {
  padding: 22px;
}
.feature-grid.compact-grid h3,
.feature-grid.compact-grid p {
  margin-left: 0;
  margin-right: 0;
}
.feature-grid.compact-grid h3 { margin-top: 0; }
.feature-grid img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: #f7fbfb;
}
.feature-grid h2,
.feature-grid h3,
.feature-grid p {
  margin-left: 22px;
  margin-right: 22px;
}
.feature-grid h2 {
  margin-top: 22px;
  font-size: 24px;
}
.feature-grid h3 { margin-top: 20px; }
.feature-grid p { color: var(--muted); margin-bottom: 24px; }

.seo-links {
  padding: 64px clamp(20px, 7vw, 96px) 78px;
  background: var(--brand-dark);
  color: #fff;
}
.seo-links h2 { max-width: 880px; }
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}
.link-grid a {
  min-height: 58px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 10px;
  text-decoration: none;
  background: rgba(255,255,255,.08);
}
.link-grid a:hover { background: rgba(255,255,255,.14); }

.page { background: #fff; }
.subhero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  padding: 64px clamp(20px, 7vw, 96px);
  background: linear-gradient(135deg, #f8fcfc, #fff7f2);
}
.subhero img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.image-story {
  padding: 68px clamp(20px, 7vw, 96px);
  display: grid;
  gap: 24px;
}
.image-story article {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}
.image-story img {
  width: 100%;
  aspect-ratio: 1 / 1.25;
  object-fit: cover;
  border-radius: 14px;
  background: var(--soft);
}
.image-story p, .steps li { color: var(--muted); }
.size-layout {
  display: grid;
  grid-template-columns: minmax(260px, 360px) minmax(0, 1fr);
  gap: 34px;
  align-items: center;
}
.size-layout img {
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.steps {
  max-width: 980px;
  margin: 0;
  padding-left: 24px;
  font-size: 18px;
}
.steps.elegant {
  display: grid;
  gap: 14px;
  list-style-position: outside;
}
.steps li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.content { padding: 64px clamp(20px, 8vw, 112px); max-width: 1040px; }
.buy-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(62px, 8vw, 104px);
  padding-bottom: clamp(62px, 8vw, 104px);
  background:
    radial-gradient(circle at 8% 12%, rgba(213,139,112,.18), transparent 24%),
    linear-gradient(135deg, #f4fbfa 0%, #fff 54%, #fff5ee 100%);
}
.buy-hero h1 { max-width: 720px; font-size: clamp(42px, 5.4vw, 72px); }
.buy-hero .lead { max-width: 700px; }
.buy-hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.buy-hero-points span {
  padding: 7px 13px;
  border: 1px solid rgba(15,111,115,.2);
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  color: var(--brand-dark);
  font-size: 14px;
  font-weight: 800;
}
.buy-pricing-section {
  padding: clamp(64px, 8vw, 108px) clamp(20px, 7vw, 96px);
  background: #fff;
}
.buy-section-heading { max-width: 690px; margin: 0 auto 38px; text-align: center; }
.buy-section-heading h2 { margin-bottom: 12px; }
.buy-section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 17px; }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 1280px;
  margin: 0 auto;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(24,43,53,.06);
  transition: transform .2s ease, box-shadow .2s ease;
}
.price-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.price-card.featured { border: 2px solid var(--brand); background: linear-gradient(180deg, #f1fbfa 0%, #fff 54%); }
.price-card h3 { margin: 8px 0 22px; font-size: 25px; }
.price-region { margin: 0; color: var(--brand); font-size: 14px; font-weight: 900; letter-spacing: .06em; }
.price {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: var(--brand-dark);
  font-size: clamp(48px, 5vw, 62px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.05em;
}
.price span { align-self: flex-start; margin-top: 7px; font-size: 24px; letter-spacing: 0; }
.price small { margin-left: 8px; color: var(--muted); font-size: 14px; font-weight: 700; letter-spacing: 0; }
.price-note { margin: 12px 0 18px; color: var(--muted); font-size: 14px; }
.price-card ul { display: grid; gap: 10px; margin: 0 0 26px; padding: 18px 0 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 15px; }
.price-card li { margin-left: 18px; padding-left: 2px; }
.product-video-section { width: min(1120px, calc(100% - 40px)); margin: 54px auto; padding: 38px; border: 1px solid var(--line); border-radius: 28px; background: #fff; box-shadow: var(--shadow); }
.product-video-section video { display: block; width: min(100%, 860px); max-height: 70vh; margin: 24px auto 20px; border-radius: 20px; background: #111; }
.video-price-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: min(100%, 860px); margin: 0 auto 16px; }
.video-price-strip strong { padding: 15px 12px; border-radius: 14px; background: var(--soft); color: var(--brand-dark); text-align: center; }
.card-action {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: auto;
  border: 1px solid var(--brand);
  border-radius: 10px;
  color: var(--brand-dark);
  font-weight: 900;
  text-decoration: none;
}
.featured .card-action { color: #fff; background: var(--brand); }
.card-action:hover { color: #fff; background: var(--brand-dark); border-color: var(--brand-dark); }
.card-badge {
  position: absolute;
  top: -13px;
  right: 20px;
  margin: 0;
  padding: 3px 12px;
  border-radius: 999px;
  color: #fff;
  background: var(--brand);
  font-size: 13px;
  font-weight: 900;
}
.pricing-disclaimer { max-width: 1280px; margin: 20px auto 0; color: var(--muted); font-size: 13px; text-align: center; }
.buy-content { max-width: 1120px; padding-top: 32px; }
.buy-section-heading.compact { margin: 0 0 24px; text-align: left; }
.buy-content .feature-grid.compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 0; }
.buy-content .feature-grid.compact-grid article { min-height: 190px; padding: 28px; }
.buy-info-block { margin-top: 52px; padding-top: 36px; border-top: 1px solid var(--line); }
.brand-profile h2 { margin-top: 34px; }
.brand-profile h2:first-child { margin-top: 0; }
.letter-body {
  max-width: 900px;
}
.letter-body p {
  font-size: 18px;
}
.term-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}
.term-grid span {
  padding: 9px 13px;
  border: 1px solid rgba(15,111,115,.22);
  border-radius: 999px;
  color: var(--brand-dark);
  background: var(--soft);
  font-weight: 700;
}
.plain-list {
  margin: 0 0 24px;
  padding-left: 22px;
  color: var(--muted);
}
.plain-list li { margin: 8px 0; }
.intent-grid.feature-grid.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.answer-block {
  margin: 18px 0 28px;
  padding: 22px 24px;
  border-left: 5px solid var(--brand);
  border-radius: 12px;
  background: var(--soft);
  color: var(--ink);
  font-size: 18px;
}
.order-hero h1 { font-size: clamp(36px, 5vw, 64px); }
.order-shell {
  padding: 64px clamp(20px, 7vw, 96px);
  background: linear-gradient(180deg, #fff 0%, #f7fbfb 100%);
}
.order-form {
  max-width: 1120px;
  display: grid;
  gap: 24px;
}
.form-section {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(24,43,53,.06);
}
.section-lead { margin: -4px 0 20px; color: var(--muted); }
.purchase-route {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 20px 0 24px;
}
.route-card {
  display: flex !important;
  align-items: flex-start;
  gap: 12px;
  min-height: 104px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}
.route-card:hover, .route-card.active { border-color: var(--brand); background: var(--soft); box-shadow: 0 8px 22px rgba(15,111,115,.08); }
.route-card input { width: 18px !important; height: 18px; margin: 3px 0 0; accent-color: var(--brand); }
.route-card span { display: grid; gap: 7px; }
.route-card strong { color: var(--brand-dark); font-size: 18px; }
.route-card small { color: var(--muted); font-weight: 600; line-height: 1.5; }
.international-market {
  display: grid;
  gap: 8px;
  margin: -6px 0 26px;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: #fff8f1;
}
.international-market label { max-width: 520px; }
.international-market p { margin: 0; color: var(--muted); font-size: 14px; }
.product-heading { margin-top: 8px; }
.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.order-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
}
.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-weight: 500;
}
.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
  outline: 3px solid rgba(15,111,115,.16);
  border-color: var(--brand);
}
.order-summary {
  display: grid;
  gap: 6px;
  padding: 24px;
  border: 1px solid rgba(15,111,115,.22);
  border-radius: 16px;
  background: #eef8f7;
}
.order-summary strong { color: var(--brand-dark); font-size: 20px; }
.order-summary span { color: var(--muted); }
.order-summary .summary-total {
  color: var(--ink);
  font-size: 22px;
  font-weight: 900;
}
.order-summary small,
.privacy-note {
  color: var(--muted);
}
.size-helper {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding: 22px;
  border: 1px solid rgba(15,111,115,.18);
  border-radius: 14px;
  background: var(--soft);
}
.size-helper h3 { margin-bottom: 6px; }
.size-helper p { margin: 0; color: var(--muted); }
.size-recommendation {
  padding: 12px 14px;
  border-radius: 10px;
  background: #fff;
  color: var(--muted);
  font-weight: 800;
}
.size-recommendation.success {
  color: var(--brand-dark);
  background: #e7f2f3;
}
.size-recommendation.warning {
  color: #8a4b16;
  background: #fff7e8;
}
.size-chart-panel {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: #fff;
}
.size-chart-panel img {
  width: 100%;
  max-height: 920px;
  object-fit: contain;
  background: #eef8fb;
}
.size-chart-panel figcaption {
  padding: 12px 16px;
  color: var(--muted);
}
.order-message {
  min-height: 28px;
  font-weight: 800;
}
.order-message.success { color: var(--brand); }
.order-message.error { color: #b42318; }
.order-message.working { color: var(--accent); }
.privacy-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 14px 0 20px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--muted);
  line-height: 1.65;
}
.privacy-consent input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 4px; }
.privacy-consent a { color: var(--brand); font-weight: 800; }
.connection-notice {
  margin: 0 0 18px;
  padding: 16px 18px;
  border: 1px solid #f3c26b;
  border-radius: 12px;
  background: #fff7e8;
  color: #704214;
  line-height: 1.65;
}
.global-order-hero { grid-template-columns: minmax(0, 1.3fr) minmax(280px, 430px); }
.global-order-shell {
  display: grid;
  grid-template-columns: minmax(0, 760px);
  gap: 24px;
  padding: 64px clamp(20px, 8vw, 112px);
  background: linear-gradient(180deg, #fff 0%, #f2f8f8 100%);
}
.global-order-form,
.inquiry-output {
  display: grid;
  gap: 20px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow);
}
.global-order-form label { display: grid; gap: 8px; color: var(--ink); font-weight: 800; }
.global-order-form input,
.global-order-form select,
.inquiry-output textarea {
  width: 100%;
  padding: 12px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}
.inquiry-output textarea { resize: vertical; line-height: 1.6; }
.global-order-form .primary-action,
.inquiry-output .primary-action { border: 0; cursor: pointer; }
.legal-hero { grid-template-columns: minmax(0, 760px); }
.legal-content { max-width: 900px; }
.legal-content h2 { margin-top: 34px; }
.legal-content li { margin-bottom: 8px; }
.legal-summary {
  margin-top: 38px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--soft);
}
.hidden-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
}
.faq { padding: 12px clamp(20px, 8vw, 112px) 72px; max-width: 1020px; }
details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}
summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 800;
}
details p { color: var(--muted); }

footer {
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: #fff;
}
footer a { color: var(--brand); }

.conversion-dock {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 900;
  display: none;
  width: min(560px, calc(100% - 24px));
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid rgba(15,111,115,.24);
  border-radius: 16px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 16px 46px rgba(24,43,53,.2);
  transform: translateX(-50%);
  backdrop-filter: blur(12px);
}
.conversion-dock a,
.conversion-dock button {
  display: flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 10px 8px;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--brand-dark);
  background: transparent;
  font: inherit;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.conversion-dock a:last-child { border-right: 0; color: #fff; background: var(--brand); }

.ai-service { position: fixed; right: 20px; bottom: 20px; z-index: 1000; font-family: inherit; }
.ai-service-toggle { padding: 14px 20px; border: 0; border-radius: 999px; background: var(--brand); color: #fff; font-weight: 800; box-shadow: var(--shadow); cursor: pointer; }
.ai-service-panel { position: absolute; right: 0; bottom: 58px; width: min(380px, calc(100vw - 28px)); overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.ai-service-panel header { display: flex; align-items: center; justify-content: space-between; padding: 15px 17px; background: var(--brand); color: #fff; }
.ai-service-close { border: 0; background: transparent; color: #fff; font-size: 24px; cursor: pointer; }
.ai-service-messages { display: grid; gap: 10px; max-height: 330px; overflow-y: auto; padding: 16px; background: #f7faf9; }
.ai-message { max-width: 88%; margin: 0; padding: 10px 12px; border-radius: 14px; font-size: 14px; line-height: 1.55; white-space: pre-wrap; }
.ai-message.bot { justify-self: start; background: #fff; border: 1px solid var(--line); }
.ai-message.user { justify-self: end; background: var(--brand); color: #fff; }
.ai-service-panel form { padding: 12px; border-top: 1px solid var(--line); }
.ai-service-panel form label { position: absolute; overflow: hidden; width: 1px; height: 1px; clip: rect(0 0 0 0); }
.ai-service-panel form div { display: flex; gap: 8px; }
.ai-service-panel input { min-width: 0; flex: 1; padding: 11px; border: 1px solid var(--line); border-radius: 10px; }
.ai-service-panel form button { border: 0; border-radius: 10px; padding: 0 14px; background: var(--brand); color: #fff; font-weight: 700; }
.ai-service-panel footer { padding: 10px 14px; background: #fff; color: var(--muted); font-size: 12px; }

@media (max-width: 920px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero-photo, .split-section, .split-section.reverse, .subhero, .image-story article, .size-layout, .global-order-hero {
    grid-template-columns: 1fr;
  }
  .split-section.reverse .split-copy { order: 0; }
  .feature-grid, .feature-grid.compact-grid, .intent-grid.feature-grid.compact-grid, .trust-strip, .link-grid, .price-grid, .buy-content .feature-grid.compact-grid, .global-market-grid { grid-template-columns: 1fr; }
  .video-price-strip { grid-template-columns: 1fr; }
  .product-video-section { width: min(100% - 24px, 1120px); padding: 24px 16px; }
  .field-grid, .purchase-route { grid-template-columns: 1fr; }
  h1 { font-size: 38px; }
  body:has(.conversion-dock) { padding-bottom: 76px; }
  .conversion-dock { display: grid; }
  .ai-service { bottom: 84px; }
}