:root {
  --green: #27c95d;
  --green-strong: #16a34a;
  --blue: #1677ff;
  --yellow: #ffb020;
  --ink: #101828;
  --ink-soft: #344054;
  --muted: #667085;
  --line: #d9e3df;
  --paper: #ffffff;
  --mist: #eef8f2;
  --mist-2: #f8fbff;
  --dark: #101418;
  --dark-soft: #1b2127;
  --shadow: 0 18px 55px rgba(16, 24, 40, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  background: #f8fbfa;
  color: var(--ink);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body,
.button,
.nav-links,
.brand-copy span,
.section-desc,
.hero-subtitle,
.footer,
.pricing-features,
.install-card,
.trust-card p,
.faq-item p,
.contact-list,
.page-prose {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

img,
svg {
  display: block;
}

a {
  color: inherit;
}

.site-shell {
  position: relative;
  background:
    radial-gradient(ellipse 50% 36% at 88% 8%, rgba(39, 201, 93, 0.14), transparent 70%),
    radial-gradient(ellipse 40% 30% at 8% 18%, rgba(22, 119, 255, 0.06), transparent 65%),
    linear-gradient(180deg, rgba(39, 201, 93, 0.07), rgba(255, 255, 255, 0) 420px),
    #f8fbfa;
}

.site-shell::before {
  content: "";
  position: absolute;
  inset: 120px auto auto -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39, 201, 93, 0.1), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.site-shell > * {
  position: relative;
  z-index: 1;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(217, 227, 223, 0);
  transition: background 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.nav.scrolled {
  background: rgba(248, 251, 250, 0.88);
  border-color: rgba(217, 227, 223, 0.92);
  box-shadow: 0 8px 30px rgba(16, 24, 40, 0.06);
  backdrop-filter: blur(16px);
}

.nav-inner {
  width: min(1180px, calc(100% - 40px));
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  box-shadow: 0 8px 20px rgba(39, 201, 93, 0.16);
  flex: 0 0 auto;
  object-fit: cover;
}

.brand-copy strong {
  display: block;
  font-size: 19px;
  line-height: 1.1;
}

.brand-copy span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a {
  text-decoration: none;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background 0.18s ease;
  white-space: nowrap;
  background: transparent;
  color: inherit;
}

.button svg {
  width: 18px;
  height: 18px;
}

.button:hover {
  transform: translateY(-1px);
}

.button.disabled,
.button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.button-primary {
  background: var(--green);
  color: #fff;
  box-shadow: 0 12px 24px rgba(39, 201, 93, 0.24);
}

.button-primary:hover {
  background: var(--green-strong);
}

.button-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}

.button-secondary:hover {
  border-color: rgba(22, 119, 255, 0.35);
  box-shadow: 0 10px 24px rgba(16, 24, 40, 0.08);
}

.button-ghost {
  background: transparent;
  color: var(--ink-soft);
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section {
  padding: 72px 0;
  border-top: 1px solid rgba(217, 227, 223, 0.74);
}

.section-soft {
  background: #fff;
}

.section-kicker {
  color: var(--green-strong);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.section-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--green);
}

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

.section-header {
  max-width: 750px;
  margin-bottom: 40px;
}

.section-title {
  color: var(--ink);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.2;
  font-weight: 700;
}

.section-desc {
  margin-top: 14px;
  color: var(--muted);
  font-size: 17px;
}

.section-header-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-header-center .section-kicker {
  justify-content: center;
}

.section-header-center .section-kicker::before {
  display: none;
}

.section-header-center .section-kicker::after {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--green);
}

.text-link {
  color: var(--green-strong);
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

/* Hero */
.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  padding: 8px 12px;
  border: 1px solid rgba(39, 201, 93, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--green-strong);
  font-size: 13px;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(39, 201, 93, 0.14);
}

.hero h1 {
  max-width: 620px;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.08;
  color: var(--ink);
}

.hero h1 span {
  color: var(--green-strong);
}

.hero-subtitle {
  max-width: 560px;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 18px;
}

.hero-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.trust-strip {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.trust-strip span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.trust-strip span::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--green);
}

.platform-strip {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(217, 227, 223, 0.96);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink-soft);
  text-decoration: none;
}

.platform-chip img {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

.download-icon-pair {
  display: flex;
  align-items: center;
  gap: 8px;
}

.watch-extra {
  margin-top: 28px;
}

.watch-extra img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid rgba(16, 24, 40, 0.08);
  background: #fff;
}

.hero-illustration {
  width: min(100%, 560px);
  max-height: 420px;
  height: auto;
  object-fit: contain;
  margin-left: auto;
}

.showcase {
  position: relative;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.showcase::after {
  content: "";
  position: absolute;
  inset: 18% 8% auto auto;
  width: 42%;
  height: 42%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39, 201, 93, 0.18), transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* Pillar narrative */
.pillar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}

.pillar-reverse {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
}

.pillar-reverse .pillar-copy {
  order: 2;
}

.pillar-reverse .pillar-visual {
  order: 1;
}

.pillar-points {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.pillar-point h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.pillar-point p {
  color: var(--muted);
  font-size: 15px;
}

.pillar-visual {
  display: grid;
  gap: 14px;
}

.pillar-visual-single {
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.pillar-visual-single img {
  max-height: 460px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  object-fit: contain;
}

.pillar-visual img,
.media-frame img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: 0 14px 40px rgba(16, 24, 40, 0.08);
  background: #fff;
}

.pillar-visual-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.platform-band {
  background: linear-gradient(180deg, #f8fbfa, #eef8f2);
}

.platform-band-compact .section-header {
  margin-bottom: 28px;
}

.accent-icon-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.accent-icon-row img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  padding: 8px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(217, 227, 223, 0.9);
  box-shadow: 0 8px 20px rgba(16, 24, 40, 0.05);
}

.platform-band-visual {
  margin-top: 8px;
}

.platform-band-visual img {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  border-radius: var(--radius);
}

/* Download */
.download-panel {
  display: grid;
  gap: 18px;
}

.recommended {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px 22px;
  padding: 18px 20px;
  border-radius: 14px;
  background:
    radial-gradient(ellipse 80% 120% at 0% 50%, rgba(39, 201, 93, 0.22), transparent 55%),
    linear-gradient(135deg, #151a1f 0%, #1b242c 55%, #132019 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 14px 36px rgba(16, 24, 40, 0.12);
}

.recommended-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  flex: 0 0 auto;
}

.recommended-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.recommended-copy {
  min-width: 0;
}

.recommended-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #a7f3d0;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.recommended-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(39, 201, 93, 0.2);
}

.recommended h3 {
  margin-top: 6px;
  font-size: 20px;
  line-height: 1.3;
}

.recommended p {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  line-height: 1.5;
}

.recommended .button {
  width: fit-content;
  margin-top: 0;
  white-space: nowrap;
  box-shadow: 0 10px 22px rgba(39, 201, 93, 0.28);
}

.download-note {
  display: none;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.download-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.download-card.is-recommended {
  border-color: rgba(39, 201, 93, 0.55);
  box-shadow: 0 12px 32px rgba(39, 201, 93, 0.12);
}

.download-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.download-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #fff;
  box-shadow: 0 10px 24px rgba(22, 119, 255, 0.18);
  flex: 0 0 auto;
  overflow: hidden;
}

.download-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.download-badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: #eff8ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.download-card h3 {
  font-size: 20px;
  line-height: 1.25;
}

.download-card p {
  min-height: 48px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.download-meta {
  margin: 16px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.download-meta span {
  padding: 5px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
}

.download-card .button {
  width: 100%;
  margin-top: 8px;
}

.download-more {
  margin-top: 22px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

/* Install (compact on home, full on download page) */
.section-install {
  background: linear-gradient(180deg, rgba(39, 201, 93, 0.04), rgba(255, 255, 255, 0));
}

.install-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.install-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.install-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  padding: 0;
}

.install-card-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.install-card h3 {
  font-size: 17px;
  margin-bottom: 12px;
}

.install-card-alert {
  padding: 12px 14px;
  border-radius: 6px;
  background: #fff7e6;
  color: #b76a00;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 16px;
  border: 1px solid rgba(255, 176, 32, 0.2);
}

.install-card-alert em {
  font-style: normal;
  font-weight: 600;
}

.install-card ol {
  padding-left: 0;
  list-style: none;
  counter-reset: step;
}

.install-card ol li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 6px;
  font-size: 14px;
  line-height: 1.7;
  counter-increment: step;
}

.install-card ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: grid;
  place-items: center;
  line-height: 1;
}

.install-card ol li em {
  font-style: normal;
  color: var(--ink-soft);
  font-size: 13px;
}

.install-card-tip {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 6px;
  background: var(--mist);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  border: 1px solid rgba(39, 201, 93, 0.15);
}

.install-card-tip strong {
  color: var(--ink);
}

/* Pricing */
.section-pricing {
  background: #fff;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 920px;
  margin: 0 auto;
}

.pricing-card {
  padding: 32px 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.pricing-card-featured {
  border-color: var(--green);
  border-width: 2px;
}

.pricing-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--mist);
  color: var(--green-strong);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
}

.pricing-badge-popular {
  background: var(--green);
  color: #fff;
}

.pricing-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.pricing-amount {
  margin-bottom: 20px;
}

.pricing-amount .price {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
}

.pricing-amount .period {
  font-size: 14px;
  color: var(--muted);
}

.pricing-original {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  width: 100%;
  text-align: left;
}

.pricing-features li {
  padding: 7px 0;
  font-size: 14px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--green);
  flex-shrink: 0;
}

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

.pricing-footnote {
  max-width: 600px;
  margin: 24px auto 0;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

.pricing-footnote a {
  color: var(--green-strong);
  text-decoration: none;
}

/* Split / watch / workflow */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 42px;
  align-items: center;
}

.workflow-list {
  display: grid;
  gap: 14px;
}

.workflow-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 15px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.workflow-number {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--dark);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 14px;
}

.workflow-item h3 {
  font-size: 18px;
}

.workflow-item p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.visual-stack {
  display: grid;
  gap: 12px;
}

.visual-stack img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(16, 24, 40, 0.1);
  box-shadow: var(--shadow);
  background: #fff;
}

.visual-caption {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.watch-section {
  background: linear-gradient(180deg, #f8fbfa, #eef8f2);
}

/* Scenarios */
.scenario-band {
  background: #101418;
  color: #fff;
}

.scenario-band .section-title,
.scenario-band .section-kicker {
  color: #fff;
}

.scenario-band .section-kicker::before,
.scenario-band .section-kicker::after {
  background: #a7f3d0;
}

.scenario-band .section-desc {
  color: rgba(255, 255, 255, 0.68);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.scenario-card {
  position: relative;
  padding: 22px 20px 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.scenario-accent {
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #a7f3d0, rgba(167, 243, 208, 0.2));
  margin-bottom: 16px;
}

.scenario-card h3 {
  font-size: 18px;
  padding: 0;
}

.scenario-card p {
  margin-top: 8px;
  padding: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.visual-stack-single {
  max-width: 420px;
  margin-left: auto;
}

.watch-visual {
  border-radius: var(--radius);
  background: transparent;
  box-shadow: none;
  overflow: hidden;
  max-width: 480px;
  margin-left: auto;
}

.watch-visual img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(16, 24, 40, 0.08);
  box-shadow: 0 14px 40px rgba(16, 24, 40, 0.08);
  background: #fff;
}

.final-cta {
  padding: 80px 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 0%, rgba(39, 201, 93, 0.12), transparent 70%),
    linear-gradient(180deg, #f8fbfa, #eef8f2);
  text-align: center;
}

/* Trust */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.trust-card {
  padding: 28px;
  border-top: 2px solid var(--green);
  background: #fff;
}

.trust-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.trust-card p {
  color: var(--muted);
  font-size: 15px;
}

.trust-card ul {
  margin-top: 14px;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
}

.trust-card li + li {
  margin-top: 6px;
}

/* Final CTA */
.final-cta-inner {
  width: min(840px, calc(100% - 40px));
  margin: 0 auto;
}

.final-cta h2 {
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.18;
}

.final-cta p {
  max-width: 610px;
  margin: 16px auto 28px;
  color: var(--muted);
  font-size: 17px;
}

.final-cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.1fr repeat(4, minmax(0, 1fr));
  gap: 28px;
}

.footer-brand p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  max-width: 240px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--ink);
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--green-strong);
}

.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 13px;
}

.footer-bottom a {
  color: var(--green-strong);
  text-decoration: none;
}

/* Subpage chrome */
.page-hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 24px;
}

.page-hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.15;
  margin-top: 10px;
}

.page-hero p {
  margin-top: 14px;
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
}

.page-actions {
  margin-top: 24px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.page-prose {
  max-width: 720px;
}

.page-prose p + p {
  margin-top: 14px;
}

.page-prose h2 {
  margin: 36px 0 12px;
  font-size: 24px;
}

.page-prose ul {
  margin: 12px 0 0 18px;
  color: var(--ink-soft);
}

.page-prose li + li {
  margin-top: 6px;
}

.page-prose code {
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--mist);
  font-size: 0.92em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

.media-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.contact-item {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  text-decoration: none;
}

.contact-item strong {
  display: block;
  font-size: 15px;
}

.contact-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.faq-list {
  display: grid;
  gap: 16px;
  max-width: 800px;
}

.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.faq-item p {
  color: var(--muted);
  font-size: 15px;
}

.log-links {
  display: grid;
  gap: 12px;
  max-width: 720px;
}

.log-links a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  text-decoration: none;
}

.log-links a strong {
  display: block;
}

.log-links a span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.55s ease, transform 0.55s ease;
  }

  .reveal.is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .hero,
  .pillar,
  .pillar-reverse,
  .split,
  .footer-top,
  .trust-grid,
  .watch-extra,
  .media-grid,
  .media-grid-3,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .recommended {
    grid-template-columns: auto 1fr;
  }

  .recommended .button {
    grid-column: 1 / -1;
    width: 100%;
    justify-content: center;
  }

  .pillar-reverse .pillar-copy,
  .pillar-reverse .pillar-visual {
    order: initial;
  }

  .showcase {
    justify-content: center;
    margin-right: 0;
  }

  .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 700px) {
  .install-guide-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    max-width: 380px;
    margin-left: auto;
    margin-right: auto;
  }

  .pillar-visual-pair {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .nav-inner,
  .hero,
  .section-inner,
  .footer-inner,
  .final-cta-inner,
  .page-hero {
    width: min(100% - 28px, 1180px);
  }

  .nav-inner {
    height: 64px;
  }

  .brand-copy span {
    display: none;
  }

  .hero {
    padding: 44px 0 52px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button,
  .final-cta-actions .button,
  .page-actions .button {
    width: 100%;
  }

  .nav-actions .button {
    width: auto;
  }

  .download-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .final-cta {
    padding: 64px 0;
  }

  .footer-bottom {
    flex-direction: column;
  }
}