:root {
  --bg: #f4f8ff;
  --bg-soft: #eef4ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-solid: #ffffff;
  --surface-strong: #f8fbff;
  --text: #172033;
  --muted: #5d6678;
  --line: rgba(16, 24, 40, 0.09);
  --line-strong: rgba(16, 24, 40, 0.16);
  --blue: #1a73e8;
  --blue-strong: #0f5ecc;
  --blue-soft: #eaf3ff;
  --green: #179a5f;
  --green-soft: #e8f8f0;
  --gold: #f4b400;
  --gold-soft: #fff7dd;
  --red: #ea4335;
  --red-soft: #ffe9e7;
  --navy: #0b1220;
  --navy-soft: #12213c;
  --shadow-lg: 0 32px 80px rgba(16, 24, 40, 0.14);
  --shadow-md: 0 16px 44px rgba(16, 24, 40, 0.08);
  --shadow-sm: 0 8px 22px rgba(16, 24, 40, 0.06);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --transition: 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(26, 115, 232, 0.14), transparent 30%),
    radial-gradient(circle at left 20%, rgba(23, 154, 95, 0.1), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #f4f8ff 42%, #eef3fb 100%);
}

body.download-body {
  background:
    radial-gradient(circle at top left, rgba(26, 115, 232, 0.16), transparent 32%),
    radial-gradient(circle at right 12%, rgba(244, 180, 0, 0.11), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, #eef4ff 48%, #edf2fb 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

img,
svg {
  display: block;
}

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-shell {
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 251, 255, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow: 0 10px 28px rgba(16, 24, 40, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(232, 242, 255, 0.96));
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: var(--shadow-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-mark svg {
  width: 28px;
  height: 28px;
}

.brand-sub {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  transition: transform var(--transition), background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
  background: var(--blue-soft);
  transform: translateY(-1px);
}

.nav-links a.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  color: #fff;
  box-shadow: 0 12px 26px rgba(26, 115, 232, 0.28);
}

.nav-links a.nav-cta:hover {
  background: linear-gradient(135deg, var(--blue-strong), #0d4fb0);
  color: #fff;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-sm);
  align-items: center;
  justify-content: center;
  color: var(--text);
}

.mobile-panel {
  display: none;
  padding: 0 0 18px;
}

.mobile-panel.open {
  display: grid;
  gap: 8px;
}

.mobile-panel a {
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  font-weight: 700;
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.resource-body {
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 42%, #eef4ff 100%);
}

.resource-hero {
  background: linear-gradient(90deg, #1680d9 0%, #27a8c7 34%, #39b54a 100%);
  color: #fff;
}

.resource-hero-inner {
  max-width: 780px;
  padding: 88px 0 96px;
  text-align: center;
}

.resource-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.resource-hero p {
  margin: 18px auto 0;
  max-width: 620px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.9);
}

.resource-hero .banner-actions {
  justify-content: center;
  margin-top: 28px;
}

.resource-white-btn {
  background: #ffffff;
  color: var(--blue);
  box-shadow: 0 18px 40px rgba(8, 20, 43, 0.16);
}

.resource-white-btn:hover {
  color: var(--blue-strong);
  box-shadow: 0 20px 42px rgba(8, 20, 43, 0.22);
}

.resource-outline-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.56);
  box-shadow: none;
}

.resource-outline-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.resource-head {
  display: block;
  text-align: center;
  margin-bottom: 36px;
}

.resource-head > div:last-child {
  max-width: 760px;
  margin: 16px auto 0;
}

.resource-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
}

.resource-card p {
  max-width: 260px;
}

.resource-card .card-icon {
  margin-bottom: 20px;
}

.resource-link {
  margin-top: auto;
  padding-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 800;
  color: var(--blue);
}

.resource-link:hover {
  color: var(--blue-strong);
}

.resource-help .cta-panel {
  margin-top: 28px;
}

.hero {
  padding: 76px 0 44px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 26px;
  align-items: start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(26, 115, 232, 0.15);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3bc67d, #179a5f);
  box-shadow: 0 0 0 6px rgba(23, 154, 95, 0.12);
}

.hero-copy h1,
.page-banner h1 {
  margin: 18px 0 16px;
  font-size: clamp(34px, 5vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-copy h1 span,
.page-banner h1 span {
  display: block;
  color: var(--blue);
}

.hero-copy p,
.page-banner p {
  margin: 0;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}

.hero-actions,
.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn,
.download-button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 14px 22px;
  border-radius: 18px;
  border: none;
  font-size: 15px;
  font-weight: 800;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn:hover,
.download-button:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  color: #fff;
  box-shadow: 0 16px 34px rgba(26, 115, 232, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 22px 40px rgba(26, 115, 232, 0.34);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: rgba(26, 115, 232, 0.22);
  color: var(--blue);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(16, 24, 40, 0.08);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.meta-chip svg {
  color: var(--green);
  flex-shrink: 0;
}

.hero-panel,
.facts-card,
.side-card,
.card,
.platform-card,
.requirement-card,
.info-card,
.faq-item,
.featured-download,
.summary-panel,
.trust-card,
.cta-panel,
.stat-card {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: var(--shadow-md);
}

.hero-panel {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(244, 248, 255, 0.92));
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.hero-panel::before,
.featured-download::before,
.cta-panel::before {
  content: "";
  position: absolute;
  inset: auto auto -120px -100px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.16), transparent 70%);
  pointer-events: none;
}

.hero-panel::after,
.featured-download::after,
.cta-panel::after {
  content: "";
  position: absolute;
  inset: -100px -90px auto auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(244, 180, 0, 0.12), transparent 68%);
  pointer-events: none;
}

.panel-top,
.featured-top,
.cta-top {
  position: relative;
  z-index: 1;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.panel-heading h2,
.featured-copy h2,
.card h3,
.platform-card h3,
.requirement-card h3,
.faq-title,
.cta-panel h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.panel-heading p,
.featured-copy p,
.card p,
.platform-card p,
.requirement-card p,
.side-card p,
.info-card p,
.summary-panel p,
.trust-card p,
.cta-panel p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.75;
  font-size: 15px;
}

.ring-box {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(26, 115, 232, 0.14), rgba(255, 255, 255, 0.9));
  display: grid;
  place-items: center;
  border: 1px solid rgba(26, 115, 232, 0.12);
}

.metric-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.metric-item,
.stat-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: var(--shadow-sm);
}

.metric-item strong,
.stat-card strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.metric-item span,
.stat-card span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.55;
}

.metric-rail {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(11, 18, 32, 0.94), rgba(18, 33, 60, 0.95));
  color: rgba(255, 255, 255, 0.9);
}

.metric-rail-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  font-weight: 700;
  font-size: 14px;
}

.rail {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.rail-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #4fc3f7 0%, #1a73e8 50%, #179a5f 100%);
}

.metric-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
}

.section {
  padding: 48px 0 88px;
}

.section.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.14));
}

.section.dark {
  background: linear-gradient(145deg, #0b1220 0%, #10203a 100%);
  color: #fff;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 30px;
}

.section-head > div:last-child {
  max-width: 500px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(26, 115, 232, 0.08);
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section.dark .eyebrow {
  background: rgba(255, 255, 255, 0.08);
  color: #9fc4ff;
}

.section-head h2 {
  margin: 12px 0 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.04em;
}

.section-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.section.dark .section-head p,
.section.dark .card p,
.section.dark .platform-card p,
.section.dark .requirement-card p,
.section.dark .summary-panel p,
.section.dark .trust-card p,
.section.dark .stat-card span {
  color: rgba(255, 255, 255, 0.72);
}

.cards {
  display: grid;
  gap: 18px;
}

.cards.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.cards.three,
.platform-grid,
.requirement-grid,
.trust-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.platform-card,
.requirement-card,
.info-card,
.side-card,
.summary-panel,
.trust-card,
.cta-panel {
  background: var(--surface);
  padding: 26px;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.section.dark .card,
.section.dark .platform-card,
.section.dark .requirement-card,
.section.dark .summary-panel,
.section.dark .trust-card,
.section.dark .stat-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.card-icon,
.platform-icon,
.requirement-icon,
.info-icon,
.side-icon,
.trust-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.icon-blue {
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.16), rgba(26, 115, 232, 0.08));
  color: var(--blue);
}

.icon-green {
  background: linear-gradient(135deg, rgba(23, 154, 95, 0.16), rgba(23, 154, 95, 0.08));
  color: var(--green);
}

.icon-gold {
  background: linear-gradient(135deg, rgba(244, 180, 0, 0.18), rgba(244, 180, 0, 0.08));
  color: #cc9300;
}

.icon-red {
  background: linear-gradient(135deg, rgba(234, 67, 53, 0.16), rgba(234, 67, 53, 0.08));
  color: var(--red);
}

.icon-navy {
  background: linear-gradient(135deg, rgba(11, 18, 32, 0.12), rgba(11, 18, 32, 0.06));
  color: var(--navy);
}

.chip-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(26, 115, 232, 0.08);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
}

.tag.green {
  background: rgba(23, 154, 95, 0.1);
  color: var(--green);
}

.tag.gold {
  background: rgba(244, 180, 0, 0.14);
  color: #b68300;
}

.tag.red {
  background: rgba(234, 67, 53, 0.12);
  color: var(--red);
}

.story-grid,
.dual-grid,
.download-layout,
.install-grid {
  display: grid;
  gap: 20px;
}

.story-grid,
.download-layout {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.dual-grid {
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
}

.checklist,
.platform-pills,
.quick-list,
.step-list,
.feature-list,
.requirement-list,
.bullet-list {
  display: grid;
  gap: 14px;
}

.check-item,
.quick-item,
.feature-list li,
.requirement-list li,
.bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.72;
  color: var(--muted);
  font-size: 15px;
}

.check-item svg,
.quick-item svg,
.feature-list li svg,
.requirement-list li svg,
.bullet-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.platform-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(239, 245, 255, 0.9));
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: var(--shadow-sm);
}

.platform-pill strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

.platform-pill span {
  font-size: 13px;
  color: var(--muted);
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(26, 115, 232, 0.12);
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.step-card {
  position: relative;
  padding: 26px;
  border-radius: 24px;
  background: var(--surface);
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: var(--shadow-sm);
}

.step-no {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), #4f9fff);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 16px 30px rgba(26, 115, 232, 0.2);
  margin-bottom: 18px;
}

.step-card h3 {
  margin: 0;
  font-size: 20px;
}

.step-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.72;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-item {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(16, 24, 40, 0.08);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  justify-content: space-between;
  padding: 22px 22px 18px;
  color: inherit;
}

.faq-label {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.faq-symbol {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(26, 115, 232, 0.1);
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  flex-shrink: 0;
}

.faq-title {
  font-size: 17px;
}

.faq-chevron {
  flex-shrink: 0;
  color: var(--muted);
  transition: transform var(--transition), color var(--transition);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-item.open .faq-content {
  max-height: 320px;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: var(--blue);
}

.faq-item.open .faq-symbol {
  background: var(--blue);
  color: #fff;
}

.faq-body {
  padding: 0 22px 22px 70px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 30px;
  background: linear-gradient(135deg, #0f5ecc 0%, #1a73e8 52%, #2b88ff 100%);
  color: #fff;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.8);
}

.cta-panel .banner-actions {
  margin-top: 24px;
}

.cta-panel .btn-secondary {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.page-banner {
  padding: 70px 0 28px;
}

.page-banner-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  gap: 22px;
  align-items: start;
}

.summary-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 246, 255, 0.92));
}

.summary-panel strong {
  font-size: 17px;
}

.featured-download {
  position: relative;
  overflow: hidden;
  padding: 30px;
  background: linear-gradient(135deg, #0d4fb0 0%, #1a73e8 46%, #2d8cff 100%);
  color: #fff;
}

.featured-download .featured-copy p,
.featured-download .feature-list li,
.featured-download .featured-foot,
.featured-download .featured-stat span {
  color: rgba(255, 255, 255, 0.82);
}

.featured-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.featured-platform {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.94);
  font-size: 13px;
  font-weight: 800;
}

.featured-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.featured-stat {
  position: relative;
  z-index: 1;
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.featured-stat strong {
  display: block;
  font-size: 22px;
}

.featured-stat span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.download-button {
  background: #fff;
  color: var(--blue-strong);
  box-shadow: 0 18px 38px rgba(11, 18, 32, 0.18);
}

.download-button.dark {
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  color: #fff;
  box-shadow: 0 16px 34px rgba(26, 115, 232, 0.24);
}

.download-button.ghost {
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.download-button.loading {
  opacity: 0.85;
  pointer-events: none;
}

.download-button:disabled {
  cursor: wait;
}

.spinner {
  width: 18px;
  height: 18px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.featured-foot {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  font-size: 13px;
}

.facts-card,
.side-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(241, 246, 255, 0.92));
  padding: 24px;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.facts-card h3,
.side-card h3,
.info-card h3,
.summary-panel h3,
.trust-card h3 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.quick-list,
.bullet-list,
.requirement-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.platform-grid,
.requirement-grid,
.trust-grid,
.install-grid {
  display: grid;
  gap: 18px;
}

.platform-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.platform-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
}

.platform-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  color: var(--blue);
  background: rgba(26, 115, 232, 0.1);
}

.platform-copy p {
  margin: 8px 0 0;
}

.platform-features {
  list-style: none;
  padding: 0;
  margin: 0;
}

.platform-card .download-button {
  width: 100%;
  margin-top: auto;
}

.requirement-card {
  display: flex;
  flex-direction: column;
}

.requirement-card .requirement-list {
  margin-top: 16px;
}

.spec-table {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.spec-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.spec-row strong {
  font-size: 14px;
}

.spec-row span {
  color: var(--muted);
  line-height: 1.7;
}

.trust-card {
  display: flex;
  flex-direction: column;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.safe-line {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(23, 154, 95, 0.1);
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.site-footer {
  padding: 34px 0 54px;
  background: linear-gradient(180deg, #0b1220 0%, #0a1020 100%);
  color: rgba(255, 255, 255, 0.74);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 20px;
  margin-bottom: 18px;
}

.footer-block {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-block h3,
.footer-block h4 {
  margin: 0;
  color: #fff;
}

.footer-block p,
.footer-block a {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.75;
  font-size: 14px;
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  gap: 10px;
}

.footer-safe {
  margin-top: 18px;
  padding: 18px 22px;
  border-radius: 20px;
  background: rgba(23, 154, 95, 0.12);
  border: 1px solid rgba(23, 154, 95, 0.16);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.88);
}

.footer-copy {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .cards.four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .story-grid,
  .download-layout,
  .hero-grid,
  .page-banner-inner,
  .dual-grid {
    grid-template-columns: 1fr;
  }

  .faq-grid,
  .platform-grid,
  .requirement-grid,
  .trust-grid,
  .stat-grid,
  .featured-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .section-head {
    display: block;
  }

  .section-head > div:last-child {
    margin-top: 14px;
  }

  .footer-grid,
  .install-grid,
  .faq-grid,
  .cards.three,
  .platform-grid,
  .requirement-grid,
  .trust-grid,
  .stat-grid,
  .featured-stat-grid,
  .metric-list {
    grid-template-columns: 1fr;
  }

  .spec-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(100% - 28px, 1180px);
  }

  .hero,
  .page-banner,
  .section,
  .site-footer {
    padding-top: 40px;
  }

  .site-footer {
    padding-bottom: 40px;
  }

  .hero-copy p,
  .page-banner p,
  .section-head p {
    font-size: 16px;
  }

  .hero-actions,
  .banner-actions {
    flex-direction: column;
  }

  .btn,
  .download-button {
    width: 100%;
  }

  .cards.four {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .faq-body {
    padding-left: 22px;
  }

  .brand {
    font-size: 17px;
  }
}