:root {
  --ink: #282930;
  --muted: #797d88;
  --soft: #fffaf4;
  --gold: #d7a92d;
  --pink: #ffd9de;
  --mint: #dff5ec;
  --line: rgba(38, 40, 48, 0.1);
  --shadow: 0 28px 80px rgba(48, 48, 55, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(255, 211, 217, 0.75), transparent 28rem),
    radial-gradient(circle at 88% 6%, rgba(212, 244, 235, 0.9), transparent 26rem),
    linear-gradient(180deg, #fffaf7 0%, #fff 45%, #f5fbf8 100%);
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI",
    sans-serif;
}

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

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 16px 40px rgba(48, 48, 55, 0.08);
  font-weight: 700;
}

.brand img {
  width: 34px;
  height: 34px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 16px 40px rgba(48, 48, 55, 0.08);
}

.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  color: #686c76;
  font-size: 14px;
}

.nav-links a:hover {
  color: var(--ink);
  background: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 500px);
  align-items: center;
  gap: 70px;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 54px 0 96px;
}

.eyebrow {
  margin: 0 0 14px;
  color: #b7891e;
  font-size: 15px;
  font-weight: 700;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.06;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.lead {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  white-space: nowrap;
}

.button-dark {
  color: #fff;
  background: #2d2e35;
  box-shadow: 0 20px 36px rgba(45, 46, 53, 0.2);
}

.button-light {
  border: 1px solid rgba(38, 40, 48, 0.1);
  background: rgba(255, 255, 255, 0.78);
}

.hero-stage {
  position: relative;
  min-height: 620px;
}

.soft-panel {
  position: absolute;
  inset: 36px 20px 32px;
  border-radius: 46px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(255, 246, 226, 0.62)),
    linear-gradient(180deg, rgba(255, 217, 222, 0.65), rgba(223, 245, 236, 0.7));
  box-shadow: var(--shadow);
}

.phone-card {
  position: absolute;
  overflow: hidden;
  margin: 0;
  border: 10px solid rgba(255, 255, 255, 0.9);
  border-radius: 38px;
  background: #fff;
  box-shadow: 0 28px 70px rgba(48, 48, 55, 0.18);
}

.phone-card img {
  display: block;
  width: 100%;
  height: auto;
}

.phone-home {
  left: 98px;
  top: 0;
  width: 292px;
  transform: rotate(2deg);
}

.phone-focus {
  right: 10px;
  bottom: 0;
  width: 238px;
  transform: rotate(-7deg);
}

.badge {
  position: absolute;
  display: grid;
  gap: 3px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 18px 46px rgba(48, 48, 55, 0.12);
  backdrop-filter: blur(14px);
}

.badge b {
  font-size: 22px;
}

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

.badge-top {
  top: 94px;
  left: 12px;
}

.badge-bottom {
  right: 58px;
  bottom: 94px;
}

.intro-strip,
.section,
.screens-section,
.growth-section,
.privacy-card,
.download-card {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: var(--shadow);
}

.intro-strip div {
  display: grid;
  gap: 6px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(255, 250, 244, 0.75);
}

.intro-strip b {
  font-size: 18px;
}

.intro-strip span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.section,
.screens-section,
.growth-section {
  padding: 110px 0 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 40px;
}

.center {
  max-width: none;
  text-align: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr 1.1fr;
  gap: 18px;
}

.feature-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 0 24px 70px rgba(48, 48, 55, 0.08);
}

.feature-card.accent {
  background: linear-gradient(145deg, rgba(255, 244, 203, 0.86), rgba(255, 255, 255, 0.72));
}

.feature-card.dark {
  color: #fff;
  background: #2d2e35;
}

.feature-card.dark p,
.feature-card.dark .feature-icon {
  color: rgba(255, 255, 255, 0.72);
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 28px;
  border-radius: 18px;
  color: #a77d16;
  background: rgba(255, 237, 178, 0.75);
  font-weight: 800;
}

.feature-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.screen-gallery figure {
  overflow: hidden;
  margin: 0;
  border: 8px solid rgba(255, 255, 255, 0.85);
  border-radius: 32px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(48, 48, 55, 0.12);
}

.screen-gallery img {
  display: block;
  width: 100%;
  height: auto;
}

.growth-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 28px;
}

.growth-copy {
  min-height: 360px;
  padding: 48px;
  border-radius: 38px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.75), rgba(255, 247, 229, 0.84)),
    radial-gradient(circle at 90% 10%, rgba(255, 214, 221, 0.7), transparent 18rem);
  box-shadow: var(--shadow);
}

.growth-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.growth-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 110px;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 20px 50px rgba(48, 48, 55, 0.08);
  font-size: 18px;
  font-weight: 700;
}

.growth-list span {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
}

.privacy-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-top: 110px;
  padding: 44px;
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 38px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.privacy-card div {
  max-width: 760px;
}

.privacy-card p:not(.eyebrow) {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.download-card {
  margin-top: 86px;
  margin-bottom: 74px;
  padding: 56px 28px;
  border-radius: 40px;
  text-align: center;
  background: #2d2e35;
  color: #fff;
  box-shadow: 0 30px 80px rgba(45, 46, 53, 0.18);
}

.download-card img {
  width: 88px;
  height: 88px;
  margin-bottom: 18px;
}

.download-card h2 {
  color: #fff;
}

.download-card p:last-child {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.store-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
  margin-top: 28px;
  padding: 13px 22px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  color: #2d2e35;
  background: #fff;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.18);
  text-align: left;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}

.store-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.22);
}

.store-mark {
  font-size: 34px;
  line-height: 1;
}

.store-button small,
.store-button b {
  display: block;
  line-height: 1.1;
}

.store-button small {
  margin-bottom: 3px;
  color: #727783;
  font-size: 12px;
}

.store-button b {
  font-size: 22px;
}

.footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 34px 20px 48px;
  color: #8b8f99;
}

.wechat-guide {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(22, 23, 28, 0.42);
  backdrop-filter: blur(10px);
}

.wechat-guide.is-open {
  display: flex;
}

.wechat-guide-panel {
  position: relative;
  width: min(420px, 100%);
  padding: 34px 28px 28px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 30px;
  background:
    radial-gradient(circle at 16% 0, rgba(255, 224, 181, 0.75), transparent 12rem),
    #fff;
  box-shadow: 0 30px 90px rgba(23, 24, 30, 0.24);
  text-align: center;
}

.wechat-guide-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  color: #777b84;
  background: rgba(45, 46, 53, 0.06);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.wechat-guide-mark {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 22px;
  color: #fff;
  background: #2d2e35;
  box-shadow: 0 18px 34px rgba(45, 46, 53, 0.2);
  font-size: 30px;
  font-weight: 800;
}

.wechat-guide-panel h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.wechat-guide-panel p {
  margin-bottom: 22px;
  color: #737782;
  font-size: 15px;
  line-height: 1.75;
}

.wechat-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: 999px;
  color: #2d2e35;
  background: #ffe39a;
  font-size: 16px;
  font-weight: 800;
  cursor: pointer;
}

.wechat-copy-tip {
  display: block;
  min-height: 18px;
  margin-top: 12px;
  color: #a57a14;
  word-break: break-all;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 34px;
  }

  .hero-stage {
    min-height: 560px;
  }

  .phone-home {
    left: 50%;
    transform: translateX(-58%) rotate(2deg);
  }

  .phone-focus {
    right: 10%;
  }

  .intro-strip,
  .feature-grid,
  .growth-section {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .site-header,
  .hero,
  .intro-strip,
  .section,
  .screens-section,
  .growth-section,
  .privacy-card,
  .download-card {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    padding: 14px 0;
  }

  .brand {
    padding-right: 10px;
  }

  .brand span {
    display: none;
  }

  .nav-links a {
    padding: 8px 10px;
    font-size: 13px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .hero-stage {
    min-height: 455px;
  }

  .soft-panel {
    inset: 28px 4px;
  }

  .phone-card {
    border-width: 7px;
    border-radius: 28px;
  }

  .phone-home {
    width: 232px;
  }

  .phone-focus {
    width: 168px;
    right: 0;
  }

  .badge {
    display: none;
  }

  .intro-strip {
    padding: 10px;
    border-radius: 26px;
  }

  .intro-strip div,
  .feature-card,
  .growth-copy,
  .privacy-card {
    padding: 24px;
  }

  .section,
  .screens-section,
  .growth-section {
    padding-top: 78px;
  }

  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .screen-gallery figure {
    max-width: 310px;
    margin: 0 auto;
  }

  .growth-list {
    grid-template-columns: 1fr;
  }

  .privacy-card {
    flex-direction: column;
    align-items: stretch;
  }

  .footer {
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 13px;
  }
}