:root {
  color-scheme: light;
  --page-width: 1180px;
  --bg: #fff9f8;
  --bg-warm: #fff1f3;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-solid: #ffffff;
  --text: #241413;
  --muted: #735956;
  --muted-2: #9a7b78;
  --line: rgba(235, 174, 170, 0.58);
  --line-soft: rgba(243, 206, 202, 0.72);
  --primary: #eb5a78;
  --primary-deep: #c92f4e;
  --primary-soft: #ffe1e8;
  --green: #2e9b68;
  --green-soft: #e7f8ef;
  --blue: #3977c8;
  --blue-soft: #e9f1ff;
  --gold: #b9791c;
  --gold-soft: #fff1d7;
  --purple: #7d5bc7;
  --purple-soft: #f0eaff;
  --shadow: 0 28px 80px rgba(176, 76, 83, 0.14);
  --shadow-soft: 0 18px 46px rgba(176, 76, 83, 0.09);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background:
    linear-gradient(135deg, rgba(255, 229, 235, 0.78) 0%, transparent 32%),
    radial-gradient(circle at 86% 8%, rgba(255, 204, 217, 0.74), transparent 28%),
    linear-gradient(180deg, #fffaf9 0%, #fff5f5 46%, #fffaf8 100%);
  color: var(--text);
  overflow-x: hidden;
}

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

img {
  display: block;
  max-width: 100%;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.topbar,
.hero,
.value-section,
.section,
.site-footer {
  width: min(calc(100% - 40px), var(--page-width));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 18px 0 12px;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-lockup {
  width: min(286px, 36vw);
  min-width: 192px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  color: var(--muted);
  font-size: 15px;
  white-space: nowrap;
}

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

.nav a:hover,
.nav-cta:hover,
.site-footer a:hover {
  color: var(--primary-deep);
}

.nav-cta,
.button {
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-cta,
.button-primary {
  background: linear-gradient(135deg, #ff7f9a, var(--primary-deep));
  color: #fff;
  box-shadow: 0 16px 36px rgba(214, 64, 91, 0.28);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border: 1px solid var(--line);
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 56px;
  align-items: start;
  padding: 80px 0 104px;
}

.hero-copy {
  max-width: 620px;
  min-width: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(62px, 9vw, 112px);
  line-height: 0.94;
  letter-spacing: 0;
}

.hero-lead {
  margin: 26px 0 0;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-text {
  margin: 20px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-points {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.hero-points div {
  min-height: 132px;
  padding: 20px 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 211, 216, 0.76);
  box-shadow: var(--shadow-soft);
}

.hero-points strong,
.feature-card h3,
.scene-card strong,
.screen-panel strong,
.trust-list li,
.value-list h3 {
  display: block;
}

.hero-points strong {
  font-size: 18px;
  margin-bottom: 10px;
}

.hero-points span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.hero-visual {
  position: relative;
  min-height: 640px;
  margin-top: 34px;
}

.hero-orbit {
  position: absolute;
  inset: 0;
}

.hero-orbit::before {
  content: "";
  position: absolute;
  inset: 62px 36px 48px;
  border-radius: 46px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.86), rgba(255, 231, 236, 0.54)),
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.94), transparent 28%);
  border: 1px solid rgba(255, 201, 210, 0.7);
  box-shadow: var(--shadow);
}

.phone-shot {
  position: absolute;
  border-radius: 34px;
  border: 8px solid rgba(255, 255, 255, 0.92);
  background: #fff;
  box-shadow: 0 32px 84px rgba(118, 46, 54, 0.23);
}

.phone-main {
  left: 34px;
  top: 74px;
  width: min(360px, 56vw);
  z-index: 2;
}

.phone-side {
  right: 10px;
  top: 158px;
  width: min(310px, 44vw);
  z-index: 1;
  opacity: 0.78;
}

.orbit-card {
  position: absolute;
  z-index: 3;
  min-width: 206px;
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 206, 213, 0.84);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(12px);
}

.orbit-card span {
  display: block;
  color: var(--muted-2);
  font-size: 13px;
  margin-bottom: 6px;
}

.orbit-card strong {
  font-size: 18px;
}

.orbit-top {
  left: 0;
  top: 210px;
}

.orbit-bottom {
  right: 0;
  bottom: 48px;
}

.value-section {
  padding: 36px 0 20px;
}

.section {
  padding: 98px 0 0;
}

.section-heading {
  max-width: 820px;
}

.section-heading.narrow {
  max-width: 760px;
}

.section-heading.split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 34px;
  align-items: end;
}

.section-kicker {
  margin: 0 0 12px;
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 800;
}

.section-heading h2,
.trust-panel h2,
.launch-card h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.13;
  letter-spacing: 0;
}

.section-heading p:not(.section-kicker),
.trust-panel p,
.launch-card p:not(.section-kicker) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.78;
}

.value-list {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.value-list article {
  padding: 28px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.value-index {
  display: block;
  color: rgba(201, 47, 78, 0.26);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.value-list h3 {
  margin: 22px 0 10px;
  font-size: 24px;
}

.value-list p,
.feature-card p,
.scene-card p,
.screen-panel figcaption span {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.feature-grid,
.scene-grid,
.screens-grid {
  margin-top: 34px;
  display: grid;
  gap: 18px;
}

.feature-grid {
  grid-template-columns: 1.2fr 1fr 1fr;
}

.feature-card {
  min-height: 250px;
  padding: 28px;
  border-radius: 30px;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.feature-wide {
  grid-row: span 2;
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 196, 211, 0.82), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 237, 241, 0.9));
}

.feature-icon {
  width: 58px;
  height: 58px;
  margin-bottom: 22px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 900;
}

.icon-rose {
  color: var(--primary-deep);
  background: var(--primary-soft);
}

.icon-green {
  color: var(--green);
  background: var(--green-soft);
}

.icon-blue {
  color: var(--blue);
  background: var(--blue-soft);
}

.icon-gold {
  color: var(--gold);
  background: var(--gold-soft);
}

.icon-purple {
  color: var(--purple);
  background: var(--purple-soft);
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.scene-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.scene-card {
  min-height: 194px;
  padding: 22px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line-soft);
  box-shadow: 0 16px 36px rgba(176, 76, 83, 0.07);
}

.scene-card span {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #fff0f4, #ffe0e8);
  font-size: 26px;
}

.scene-card strong {
  margin-bottom: 10px;
  font-size: 19px;
}

.screens-grid {
  grid-template-columns: 1.28fr 0.86fr 0.86fr;
  align-items: stretch;
}

.screen-panel {
  margin: 0;
  overflow: hidden;
  border-radius: 32px;
  background: var(--surface-solid);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.screen-panel img {
  width: 100%;
  aspect-ratio: 0.82 / 1;
  object-fit: cover;
  object-position: top center;
  background: #fff;
}

.panel-large img {
  aspect-ratio: 1.08 / 1;
}

.screen-panel figcaption {
  padding: 20px 22px 24px;
  background: linear-gradient(180deg, #fffdfc, #fff1f4);
}

.screen-panel strong {
  margin-bottom: 8px;
  font-size: 20px;
}

.trust-panel,
.launch-card {
  border-radius: 36px;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-soft);
}

.trust-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 42px;
  align-items: center;
  padding: 42px;
  background:
    radial-gradient(circle at 0% 100%, rgba(255, 227, 204, 0.82), transparent 34%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 237, 243, 0.9));
}

.trust-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.trust-list li {
  min-height: 54px;
  padding: 0 18px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.74);
  color: var(--text);
  font-weight: 800;
}

.launch-section {
  padding-bottom: 82px;
}

.launch-card {
  padding: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 178px;
  gap: 34px;
  align-items: center;
  background:
    radial-gradient(circle at top right, rgba(255, 197, 214, 0.74), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 241, 244, 0.96));
}

.launch-qrcode {
  justify-self: end;
  width: 178px;
  padding: 12px 12px 14px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(235, 174, 170, 0.58);
  box-shadow: 0 18px 40px rgba(214, 64, 91, 0.14);
  text-align: center;
}

.launch-qrcode img {
  width: 154px;
  height: 154px;
  object-fit: cover;
  border-radius: 18px;
  background: #fff;
}

.launch-qrcode span {
  display: block;
  margin-top: 10px;
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  padding: 0 0 34px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 999px;
}

.site-footer a:hover {
  background: rgba(255, 234, 238, 0.9);
}

@media (max-width: 1120px) {
  .hero,
  .section-heading.split,
  .trust-panel,
  .launch-card {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    min-height: 620px;
  }

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

  .feature-wide {
    grid-row: auto;
    grid-column: span 2;
  }

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

  .launch-qrcode {
    justify-self: start;
  }
}

@media (max-width: 820px) {
  .topbar {
    flex-wrap: wrap;
    gap: 14px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    gap: 14px 18px;
    flex-wrap: wrap;
    font-size: 14px;
  }

  .brand-lockup {
    width: min(190px, 50vw);
    min-width: 158px;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-top: 28px;
    gap: 30px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .hero-lead {
    font-size: 26px;
    max-width: 12em;
    word-break: break-word;
  }

  .hero-text {
    max-width: 22em;
  }

  .hero-text,
  .section-heading p:not(.section-kicker),
  .trust-panel p,
  .launch-card p:not(.section-kicker) {
    font-size: 15px;
  }

  .hero-points,
  .feature-grid,
  .value-list,
  .scene-grid,
  .screens-grid {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: auto;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-orbit {
    position: relative;
    display: grid;
    gap: 16px;
  }

  .hero-orbit::before {
    inset: 22px 0;
    border-radius: 30px;
  }

  .phone-shot,
  .orbit-card {
    position: relative;
  }

  .phone-main,
  .phone-side {
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
    width: 100%;
  }

  .phone-side {
    display: none;
  }

  .orbit-top,
  .orbit-bottom {
    left: auto;
    right: auto;
    top: auto;
    bottom: auto;
  }

  .section {
    padding-top: 72px;
  }

  .value-section {
    padding-top: 18px;
  }

  .section-heading h2,
  .trust-panel h2,
  .launch-card h2 {
    font-size: 32px;
  }

  .value-list article,
  .feature-card,
  .scene-card,
  .trust-panel,
  .launch-card {
    border-radius: 24px;
    padding: 24px;
  }

  .screen-panel img,
  .panel-large img {
    aspect-ratio: 0.82 / 1;
    object-fit: contain;
    padding: 14px 14px 0;
    background: linear-gradient(180deg, #fffaf9, #fff1f4);
  }
}