:root {
  --paper: #f2eadc;
  --ink: #14211d;
  --muted: #68746f;
  --deep: #081917;
  --deep-2: #102822;
  --line: rgba(20, 33, 29, 0.16);
  --line-dark: rgba(242, 234, 220, 0.16);
  --accent: #00b98f;
  --accent-ink: #063d34;
  --white: #fffaf0;
  --radius: 18px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(rgba(20, 33, 29, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 33, 29, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 12%, rgba(0, 185, 143, 0.16), transparent 28%),
    radial-gradient(circle at 92% 40%, rgba(8, 25, 23, 0.12), transparent 24%);
}

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

.site-header {
  width: min(var(--max), calc(100% - 32px));
  height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--deep);
  color: var(--paper);
  font-size: 15px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.site-footer a {
  position: relative;
}

.nav a::after,
.site-footer a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav a:hover::after,
.site-footer a:hover::after {
  transform: scaleX(1);
}

.header-action,
.primary-button,
.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease;
}

.header-action,
.secondary-button {
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.54);
}

.primary-button {
  background: var(--deep);
  color: var(--paper);
}

.header-action:active,
.primary-button:active,
.secondary-button:active {
  transform: translateY(1px) scale(0.99);
}

.hero {
  width: min(var(--max), calc(100% - 32px));
  min-height: calc(100dvh - 72px);
  margin: 0 auto;
  padding: 46px 0 70px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: #08735e;
  font-size: 13px;
  font-weight: 900;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(44px, 6.4vw, 82px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(32px, 4.4vw, 56px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.hero-lead {
  max-width: 560px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
}

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

.hero-visual {
  position: relative;
  margin: 0;
  border-radius: 34px 34px 34px 8px;
  overflow: hidden;
  border: 1px solid rgba(8, 25, 23, 0.2);
  background: var(--deep);
  box-shadow: 0 28px 80px rgba(8, 25, 23, 0.24);
}

.hero-visual img {
  width: 100%;
  min-height: 560px;
  height: 64vh;
  max-height: 700px;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) contrast(1.03);
}

.hero-visual figcaption {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-radius: 18px;
  color: var(--paper);
  background: rgba(8, 25, 23, 0.78);
  backdrop-filter: blur(14px);
}

.hero-visual figcaption span {
  color: rgba(242, 234, 220, 0.68);
  font-size: 13px;
}

.marquee-note {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.marquee-note::-webkit-scrollbar {
  display: none;
}

.marquee-note span {
  flex: 0 0 auto;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 250, 240, 0.62);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.section {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0;
}

.section-kicker {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 34px;
  align-items: start;
  margin-bottom: 34px;
}

.notes-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.note-card {
  min-height: 250px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.72);
}

.note-card-large {
  grid-row: span 2;
  min-height: 520px;
  color: var(--paper);
  background:
    linear-gradient(145deg, rgba(0, 185, 143, 0.2), transparent 56%),
    var(--deep);
  border-color: rgba(8, 25, 23, 0.32);
}

.note-label {
  width: fit-content;
  margin-bottom: 24px;
  padding: 7px 10px;
  border-radius: 999px;
  color: #08735e;
  background: rgba(0, 185, 143, 0.14);
  font-size: 13px;
  font-weight: 900;
}

.note-card-large .note-label {
  color: var(--paper);
  background: rgba(255, 250, 240, 0.16);
}

.note-card p,
.routine-copy p,
.routine-list p,
.launch-section p {
  color: var(--muted);
  line-height: 1.78;
}

.note-card-large p {
  color: rgba(242, 234, 220, 0.72);
}

.routine-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 54px;
  align-items: start;
}

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

.routine-list li {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.routine-list span {
  color: #08735e;
  font-size: 30px;
  font-weight: 900;
}

.routine-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
}

.routine-list p {
  margin-bottom: 0;
}

.infra-section {
  padding-top: 24px;
}

.infra-board {
  padding: 34px;
  border-radius: 28px;
  color: var(--paper);
  background: var(--deep);
  box-shadow: 0 24px 70px rgba(8, 25, 23, 0.2);
}

.infra-board .eyebrow {
  color: var(--accent);
}

.infra-board dl {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--line-dark);
}

.infra-board div {
  padding: 20px;
  background: var(--deep-2);
}

.infra-board dt {
  margin-bottom: 8px;
  color: rgba(242, 234, 220, 0.58);
  font-size: 13px;
}

.infra-board dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 900;
}

.launch-section {
  width: min(var(--max), calc(100% - 32px));
  margin: 20px auto 0;
  padding: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  border-radius: 30px 8px 30px 30px;
  background: var(--white);
  border: 1px solid var(--line);
}

.launch-section p {
  max-width: 560px;
}

.qr-placeholder {
  width: 164px;
  height: 164px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 24px;
  border: 1px dashed rgba(20, 33, 29, 0.36);
  color: #08735e;
  background:
    linear-gradient(45deg, rgba(0, 185, 143, 0.08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0, 185, 143, 0.08) 25%, transparent 25%),
    rgba(255, 255, 255, 0.58);
  background-size: 18px 18px;
  font-weight: 900;
}

.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 760ms ease var(--reveal-delay, 0ms),
    transform 760ms cubic-bezier(0.2, 0.8, 0.2, 1) var(--reveal-delay, 0ms);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    padding: 18px 0;
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .hero,
  .section-kicker,
  .notes-grid,
  .routine-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 32px;
  }

  h1 {
    font-size: clamp(42px, 13vw, 60px);
  }

  .hero-visual img {
    min-height: 410px;
    height: auto;
  }

  .note-card-large {
    min-height: 360px;
  }

  .section {
    padding: 62px 0;
  }

  .infra-board dl {
    grid-template-columns: 1fr;
  }

  .launch-section {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}