:root {
  color-scheme: light;
  --ink: #111827;
  --text: #253244;
  --muted: #667085;
  --line: #d9e2e7;
  --paper: #ffffff;
  --soft: #f5f8f6;
  --mist: #eaf2ef;
  --teal: #0f766e;
  --teal-strong: #0b5d57;
  --gold: #d99a2b;
  --coral: #d85d4a;
  --shadow: 0 16px 42px rgba(17, 24, 39, 0.1);
  --shadow-float: 0 24px 70px rgba(17, 24, 39, 0.16);
  --glass: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.5);
  --ios-spring: cubic-bezier(0.2, 0.9, 0.2, 1);
  --section-y: clamp(56px, 6vw, 68px);
  --section-y-tight: clamp(40px, 5vw, 52px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, #fbfdfc 0, #ffffff 34%, #f7fbf9 100%);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

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

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: min(1120px, calc(100% - 32px));
  min-height: 60px;
  margin: 0 auto -60px;
  padding: 0 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(17, 24, 39, 0.08);
  backdrop-filter: saturate(1.4) blur(18px);
  transition: transform 320ms var(--ios-spring), background 320ms ease, box-shadow 320ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 52px rgba(17, 24, 39, 0.12);
  transform: translateY(-2px);
}

.brand,
.nav,
.site-footer div {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: #fff;
  background: var(--teal);
  border-radius: 7px;
}

.nav {
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav a,
.site-footer a,
.text-link {
  transition: color 180ms ease, opacity 180ms ease;
}

.nav a:hover,
.site-footer a:hover,
.text-link:hover {
  color: var(--teal);
}

.nav-cta,
.button,
.input-row button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  border: 0;
  border-radius: 7px;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
}

.nav-cta {
  padding: 0 18px;
  color: #fff;
  background: var(--ink);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.2);
}

.hero {
  position: relative;
  min-height: min(690px, calc(88vh - 60px));
  display: grid;
  align-items: center;
  padding: 122px clamp(20px, 5vw, 72px) 54px;
  overflow: hidden;
  color: #fff;
  background-image: url("assets/hero-product.png");
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 12, 18, 0.9), rgba(7, 12, 18, 0.74) 42%, rgba(7, 12, 18, 0.24)),
    linear-gradient(180deg, rgba(7, 12, 18, 0.12), rgba(7, 12, 18, 0.28));
}

.hero::after,
.sales-hero::after,
.final-cta::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.62), transparent);
}

.hero-layout {
  position: relative;
  display: grid;
  width: min(1120px, 100%);
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.85fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  margin: 0 auto;
}

.hero-content {
  position: relative;
  width: min(680px, 100%);
}

.hero-showcase {
  position: relative;
  margin: 0;
  transform-style: preserve-3d;
}

.hero-showcase::before,
.product-preview-panel::before {
  content: "";
  position: absolute;
  inset: 6% 2% auto auto;
  width: 46%;
  height: 54%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.28), rgba(255, 255, 255, 0));
  transform: rotate(14deg);
  pointer-events: none;
  z-index: 2;
}

.hero-showcase img {
  display: block;
  width: min(100%, 580px);
  margin-left: auto;
  filter: drop-shadow(0 28px 38px rgba(0, 0, 0, 0.3));
  animation: float-showcase 7s ease-in-out infinite;
  will-change: transform;
}

.hero-showcase figcaption {
  position: absolute;
  right: 8%;
  bottom: 6%;
  padding: 10px 14px;
  color: #172018;
  background: #f4bd45;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
  animation: float-badge 6s ease-in-out infinite;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 5vw, 4.45rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.35;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.button {
  min-width: 150px;
  padding: 0 20px;
  box-shadow: 0 12px 26px rgba(17, 24, 39, 0.12);
}

.button.primary {
  color: #172018;
  background: #f4bd45;
}

.button.secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(14px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: min(520px, 100%);
  margin: 0;
}

.hero-stats div {
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.hero-stats dt {
  font-size: 1.35rem;
  font-weight: 900;
}

.hero-stats dd {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.88rem;
}

.section {
  padding: var(--section-y) clamp(20px, 5vw, 72px);
  position: relative;
}

.section-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.intro-band {
  padding-top: var(--section-y-tight);
  padding-bottom: var(--section-y-tight);
  color: rgba(255, 255, 255, 0.8);
  background: #12221d;
}

.intro-band h2 {
  color: #fff;
}

.intro-grid,
.split,
.final-inner,
.detail-grid,
.showcase-grid,
.upgrade-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(300px, 1fr);
  gap: 34px;
  align-items: center;
}

.intro-grid p,
.section-copy p,
.final-inner p,
.price-panel p {
  font-size: 1.02rem;
  line-height: 1.82;
}

.section-head {
  max-width: 740px;
  margin-bottom: 24px;
}

.row-head {
  display: flex;
  max-width: none;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.text-link {
  color: var(--teal-strong);
  font-weight: 900;
}

.soft-label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  color: var(--teal-strong);
  border: 1px solid rgba(15, 118, 110, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
  font-size: 0.88rem;
  font-weight: 900;
  white-space: nowrap;
}

.muted,
.resource-main {
  background:
    linear-gradient(180deg, rgba(245, 248, 246, 0.92), rgba(240, 247, 244, 0.92));
}

.process-band {
  background: linear-gradient(180deg, #fff, #f5f8f6);
}

.upgrade-section {
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 18%, rgba(244, 189, 69, 0.18), transparent 28%),
    linear-gradient(180deg, #ffffff, #f7fbf9);
}

.upgrade-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.upgrade-card {
  min-height: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
  transition: transform 320ms var(--ios-spring), border-color 220ms ease, box-shadow 220ms ease;
}

.upgrade-card.signal {
  color: rgba(255, 255, 255, 0.82);
  background:
    linear-gradient(135deg, rgba(18, 34, 29, 0.96), rgba(15, 118, 110, 0.92));
  border-color: rgba(255, 255, 255, 0.2);
}

.upgrade-card span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 16px;
  padding: 0 10px;
  color: var(--teal-strong);
  background: rgba(15, 118, 110, 0.1);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.upgrade-card.signal span {
  color: #172018;
  background: #f4bd45;
}

.upgrade-card h3 {
  margin-bottom: 10px;
}

.upgrade-card.signal h3 {
  color: #fff;
}

.upgrade-card p,
.upgrade-card li {
  color: var(--muted);
  line-height: 1.78;
}

.upgrade-card.signal p {
  color: rgba(255, 255, 255, 0.82);
}

.upgrade-card p {
  margin-bottom: 0;
}

.upgrade-card ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
}

.upgrade-card:hover {
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 26px 62px rgba(17, 24, 39, 0.13);
  transform: translateY(-5px);
}

.signup-panel,
.product-card,
.article-list a,
.article-list article,
.process-card,
.faq-list details,
.prompt-box,
.check-list p,
.resource-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
}

.signup-panel {
  padding: 22px;
  box-shadow: var(--shadow-float);
}

.signup-panel label {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 900;
}

.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 104px;
  gap: 10px;
}

.input-row input {
  min-width: 0;
  height: 46px;
  padding: 0 13px;
  border: 1px solid #b9c7ce;
  border-radius: 7px;
  font: inherit;
  background: rgba(255, 255, 255, 0.86);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.input-row input:focus {
  border-color: rgba(15, 118, 110, 0.72);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
  outline: none;
}

.input-row button {
  color: #fff;
  background: var(--teal);
  font: inherit;
  box-shadow: 0 12px 26px rgba(15, 118, 110, 0.22);
}

.form-note {
  margin: 13px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.form-note a {
  color: var(--teal-strong);
  font-weight: 900;
}

.resource-panel {
  display: grid;
  gap: 14px;
  align-content: center;
}

.resource-panel h3,
.resource-panel .form-note {
  margin: 0;
}

.resource-panel .button {
  width: fit-content;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.15fr repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.product-card {
  display: flex;
  min-height: 226px;
  flex-direction: column;
  padding: 20px;
  box-shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
}

.featured-product {
  border-color: rgba(15, 118, 110, 0.35);
  box-shadow: 0 22px 58px rgba(15, 118, 110, 0.14);
}

.product-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.product-type {
  color: var(--teal);
  font-size: 0.92rem;
  font-weight: 900;
}

.price {
  color: var(--coral);
  font-size: 1.12rem;
  font-weight: 900;
}

.product-card p {
  flex: 1;
  color: var(--muted);
  line-height: 1.78;
}

.product-card a {
  color: var(--teal-strong);
  font-weight: 900;
}

.product-showcase-card {
  overflow: hidden;
}

.product-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  margin-bottom: 18px;
  padding: 10px;
  border: 1px solid rgba(217, 226, 231, 0.75);
  border-radius: 8px;
  background: linear-gradient(135deg, #f5f8f6, #fff8eb);
  transition: transform 480ms var(--ios-spring);
}

.article-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.article-list a,
.article-list article {
  min-height: 104px;
  padding: 16px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.65;
}

.product-card:hover,
.article-list a:hover,
.article-list article:hover,
.process-card:hover {
  border-color: rgba(15, 118, 110, 0.45);
  transform: translateY(-5px);
  box-shadow: 0 24px 60px rgba(17, 24, 39, 0.12);
}

.product-card:hover .product-thumb {
  transform: scale(1.03);
}

.product-card,
.article-list a,
.article-list article,
  .process-card,
  .button,
  .nav-cta {
  transition: transform 320ms var(--ios-spring), border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.button:hover,
.nav-cta:hover,
.input-row button:hover {
  transform: translateY(-2px);
}

.button:active,
.nav-cta:active,
.input-row button:active {
  transform: scale(0.98);
}

.final-cta,
.sales-hero {
  position: relative;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.84);
  background: linear-gradient(135deg, #12221d, #0f766e 68%, #d99a2b);
}

.final-cta h2,
.sales-hero h1,
.sales-hero h2 {
  color: #fff;
}

.showcase-section {
  background: #fff;
}

.visual-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.visual-board article {
  min-height: 172px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 250, 248, 0.82));
  backdrop-filter: blur(18px);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.06);
}

.visual-board span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-weight: 900;
}

.visual-board article:nth-child(2) span {
  background: var(--gold);
}

.visual-board article:nth-child(3) span {
  background: var(--coral);
}

.visual-board strong {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.12rem;
}

.visual-board p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

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

.inner-preview-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
  transition: transform 320ms var(--ios-spring), box-shadow 220ms ease, border-color 220ms ease;
}

.inner-preview-card img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: top center;
  background: #f5f8f6;
  border-bottom: 1px solid var(--line);
  transition: transform 520ms var(--ios-spring);
}

.inner-preview-card:nth-child(2) img {
  object-position: top center;
}

.inner-preview-card div {
  padding: 18px;
}

.inner-preview-card span,
.comparison-card span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.inner-preview-card h3 {
  margin-bottom: 8px;
}

.inner-preview-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.inner-preview-card:hover {
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 26px 62px rgba(17, 24, 39, 0.13);
  transform: translateY(-6px);
}

.inner-preview-card:hover img {
  transform: scale(1.035);
}

.comparison-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr) minmax(0, 0.9fr);
  gap: 14px;
  align-items: stretch;
}

.comparison-card {
  display: flex;
  min-height: 280px;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
}

.comparison-card h3 {
  margin-bottom: 14px;
}

.comparison-card p,
.comparison-card li {
  color: var(--muted);
  line-height: 1.76;
}

.comparison-card p {
  margin: 16px 0 0;
}

.comparison-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}

.comparison-card.weak span {
  color: var(--coral);
}

.comparison-card.strong {
  border-color: rgba(15, 118, 110, 0.36);
  box-shadow: 0 24px 64px rgba(15, 118, 110, 0.13);
}

.comparison-card.strong span,
.comparison-card.result span {
  color: var(--teal);
}

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

.fit-card {
  min-height: 248px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 46px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
  transition: transform 320ms var(--ios-spring), border-color 220ms ease, box-shadow 220ms ease;
}

.fit-card span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  padding: 0 10px;
  color: var(--teal-strong);
  background: rgba(15, 118, 110, 0.1);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.fit-card.featured {
  border-color: rgba(15, 118, 110, 0.36);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(234, 242, 239, 0.82));
}

.fit-card.warning {
  border-color: rgba(216, 93, 74, 0.28);
}

.fit-card.warning span {
  color: #9f3528;
  background: rgba(216, 93, 74, 0.11);
}

.fit-card p,
.fit-card li {
  color: var(--muted);
  line-height: 1.76;
}

.fit-card p {
  margin-bottom: 0;
}

.fit-card ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 20px;
}

.fit-card:hover {
  border-color: rgba(15, 118, 110, 0.42);
  box-shadow: 0 26px 62px rgba(17, 24, 39, 0.13);
  transform: translateY(-5px);
}

.order-fit-grid .fit-card {
  min-height: 218px;
}

.prompt-mini {
  flex: 1;
  padding: 16px;
  color: var(--ink);
  border: 1px solid rgba(217, 226, 231, 0.9);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(245, 248, 246, 0.92), rgba(255, 255, 255, 0.92));
  line-height: 1.78;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer div {
  gap: 18px;
}

.policy-page {
  min-height: 100vh;
  background: var(--soft);
}

.policy-main {
  width: min(860px, calc(100% - 40px));
  margin: 50px auto;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.policy-main p,
.policy-main li {
  line-height: 1.85;
}

.sales-hero {
  padding: 122px clamp(20px, 5vw, 72px) 62px;
}

.compact-hero {
  padding-top: 122px;
  padding-bottom: 58px;
}

.sales-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 40px;
  align-items: center;
}

.product-hero-grid {
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 0.85fr);
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.72fr);
  gap: 42px;
  align-items: center;
}

.about-profile-card {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 24px 70px rgba(17, 24, 39, 0.16);
  backdrop-filter: blur(18px);
}

.about-profile-card img {
  display: block;
  width: 100%;
  margin: 18px 0;
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.22));
}

.about-profile-card dl {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}

.about-profile-card dl div {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.about-profile-card dt {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 900;
}

.about-profile-card dd {
  margin: 6px 0 0;
  color: #fff;
  font-size: 0.92rem;
  font-weight: 900;
}

.about-split {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.08fr);
  gap: 34px;
  align-items: center;
}

.principle-grid,
.asset-grid {
  display: grid;
  gap: 14px;
}

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

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

.principle-grid article,
.asset-grid article,
.timeline-list article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
}

.principle-grid article,
.asset-grid article {
  min-height: 178px;
  padding: 20px;
}

.principle-grid span,
.asset-grid span,
.timeline-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  min-height: 30px;
  margin-bottom: 18px;
  padding: 0 10px;
  color: var(--teal-strong);
  background: rgba(15, 118, 110, 0.1);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.principle-grid p,
.asset-grid p,
.timeline-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.asset-grid a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--teal-strong);
  font-weight: 900;
}

.timeline-list {
  display: grid;
  gap: 12px;
}

.timeline-list article {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px;
}

.timeline-list span {
  margin: 0;
  color: #172018;
  background: #f4bd45;
}

.price-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.price-panel strong {
  display: block;
  margin: 12px 0;
  color: #fff;
  font-size: 3.8rem;
  line-height: 1;
}

.product-preview-panel {
  position: relative;
  min-height: 360px;
  transform-style: preserve-3d;
}

.product-preview-panel img {
  display: block;
  width: min(112%, 620px);
  margin-left: auto;
  filter: drop-shadow(0 24px 34px rgba(0, 0, 0, 0.28));
  animation: float-showcase 7.5s ease-in-out infinite;
  will-change: transform;
}

.price-strip {
  position: absolute;
  right: 0;
  bottom: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  color: #172018;
  background: #f4bd45;
  border-radius: 8px;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.24);
  animation: float-badge 6.4s ease-in-out infinite;
}

.price-strip span {
  font-weight: 900;
}

.price-strip strong {
  color: var(--ink);
  font-size: 2rem;
  line-height: 1;
}

.check-list,
.resource-list,
.faq-list {
  display: grid;
  gap: 12px;
}

.check-list p,
.resource-list article,
.prompt-box {
  margin: 0;
  padding: 17px 18px;
  line-height: 1.82;
}

.check-list p::before {
  content: "✓";
  margin-right: 10px;
  color: var(--teal);
  font-weight: 900;
}

.prompt-box {
  max-width: 860px;
  box-shadow: var(--shadow-float);
}

.prompt-box ul {
  margin: 12px 0;
  padding-left: 22px;
}

.resource-lead {
  max-width: 760px;
  margin-bottom: 30px;
  font-size: 1.12rem;
  line-height: 1.85;
}

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

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

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

.process-card {
  min-height: 158px;
  padding: 18px;
}

.process-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--gold);
  font-weight: 900;
}

.process-card p,
.faq-list p {
  color: var(--muted);
  line-height: 1.8;
}

.faq-list {
  max-width: 860px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
}

.faq-list p {
  margin: 12px 0 0;
}

.motion-ready .reveal-target {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  transition: opacity 620ms ease, transform 720ms var(--ios-spring);
  transition-delay: var(--reveal-delay, 0ms);
}

.motion-ready .reveal-target.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.hero-content > *,
.sales-hero .sales-grid > div:first-child > * {
  animation: hero-rise 720ms var(--ios-spring) both;
}

.hero-content > *:nth-child(2),
.sales-hero .sales-grid > div:first-child > *:nth-child(2) {
  animation-delay: 70ms;
}

.hero-content > *:nth-child(3),
.sales-hero .sales-grid > div:first-child > *:nth-child(3) {
  animation-delay: 140ms;
}

.hero-content > *:nth-child(4),
.sales-hero .sales-grid > div:first-child > *:nth-child(4) {
  animation-delay: 210ms;
}

.hero-content > *:nth-child(5) {
  animation-delay: 280ms;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translateY(22px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes float-showcase {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0.001deg);
  }

  50% {
    transform: translate3d(0, -12px, 0) rotate(0.001deg);
  }
}

@keyframes float-badge {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-7px);
  }
}

@media (max-width: 1020px) {
  .nav {
    display: none;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-showcase img {
    width: min(100%, 500px);
    margin-right: auto;
    margin-left: 0;
  }

  .intro-grid,
  .split,
  .final-inner,
  .sales-grid,
  .detail-grid,
  .showcase-grid,
  .upgrade-grid,
  .about-hero-grid,
  .about-split {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .article-list,
  .resource-list,
  .process-grid,
  .compact-process,
  .visual-board,
  .preview-gallery,
  .comparison-grid,
  .fit-grid,
  .principle-grid,
  .asset-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .upgrade-panel {
    grid-template-columns: 1fr;
  }

  .comparison-card.strong {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .site-header {
    top: 8px;
    width: calc(100% - 18px);
    min-height: 56px;
    padding: 0 14px;
    margin-bottom: -56px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 96px 18px 32px;
    background-position: 56% center;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(7, 12, 18, 0.94), rgba(7, 12, 18, 0.78));
  }

  .hero .button.secondary {
    background: rgba(17, 24, 39, 0.58);
  }

  .hero-stats,
  .product-grid,
  .article-list,
  .input-row,
  .resource-list,
  .process-grid,
  .compact-process,
  .visual-board,
  .upgrade-panel,
  .preview-gallery,
  .comparison-grid,
  .fit-grid,
  .principle-grid,
  .asset-grid {
    grid-template-columns: 1fr;
  }

  .upgrade-card.signal {
    grid-row: auto;
  }

  .comparison-card.strong {
    grid-column: auto;
  }

  .inner-preview-card img {
    height: 240px;
  }

  .comparison-card {
    min-height: 0;
  }

  .hero-showcase img {
    width: 112%;
    max-width: none;
    margin: 2px 0 0 -8%;
  }

  .hero-showcase figcaption {
    right: 0;
    bottom: 4%;
    max-width: 220px;
    font-size: 0.82rem;
  }

  .hero-actions {
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .resource-panel .button {
    width: 100%;
  }

  .section {
    padding: 44px 18px;
  }

  .sales-hero {
    padding-top: 96px;
    padding-bottom: 44px;
  }

  .row-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .signup-panel,
  .policy-main,
  .price-panel {
    padding: 22px;
  }

  .product-preview-panel {
    min-height: 240px;
  }

  .product-preview-panel img {
    width: 112%;
    max-width: none;
    margin-left: -8%;
  }

  .price-strip {
    right: 0;
    bottom: 0;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .about-profile-card dl {
    grid-template-columns: 1fr;
  }

  .timeline-list article {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }

  .motion-ready .reveal-target {
    opacity: 1;
    transform: none;
  }
}