:root {
  color: #17342d;
  background: #f4f7f4;
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
main {
  max-width: 1160px;
  margin: auto;
  padding: 28px;
}
a:focus-visible {
  outline: 3px solid #c65d3b;
  outline-offset: 3px;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 42px;
  align-items: center;
  padding: clamp(36px, 7vw, 76px);
  color: #f9fffb;
  background: linear-gradient(135deg, #164b3f, #276958);
  border-radius: 28px;
}
.eyebrow,
.section-kicker,
.platform-label,
.feature-number {
  margin: 0 0 14px;
  color: #8edfc0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: -0.06em;
}
h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.22;
  letter-spacing: -0.04em;
}
h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.35;
}
.lead {
  max-width: 550px;
  margin-bottom: 28px;
  color: #dceee5;
  font-size: 18px;
  line-height: 1.8;
}
.hint {
  margin: 16px 0 0;
  color: #b9d8ca;
  font-size: 13px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-help-link {
  margin: 14px 0 0;
  color: #dceee5;
  font-size: 14px;
}
.hero-help-link a {
  color: #fff;
  font-weight: 700;
}
.button {
  display: inline-block;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
}
.button-primary {
  color: #175143;
  background: #fff;
}
.button-secondary {
  color: #f9fffb;
  border-color: rgba(255, 255, 255, 0.55);
}
.product-board {
  display: grid;
  gap: 16px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 24px 54px rgba(4, 35, 27, 0.22);
}
.product-board p {
  margin: 0;
  color: #b9d8ca;
  font-size: 13px;
}
.product-board strong {
  font-size: 25px;
}
.board-progress {
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.2);
}
.board-progress i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: #8edfc0;
}
.board-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.board-grid span {
  padding: 14px;
  border-radius: 12px;
  color: #dceee5;
  background: rgba(0, 0, 0, 0.12);
  font-size: 13px;
}
.section {
  padding: 104px 0;
}
.section-heading {
  margin-bottom: 42px;
}
.section-kicker,
.platform-label,
.feature-number {
  color: #397b65;
}
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.pain-points {
  padding-bottom: 56px;
}
.features {
  padding-top: 56px;
}
.pain-grid article {
  padding: 26px;
  border: 1px solid #dce8e1;
  border-radius: 18px;
  background: #fff;
}
.pain-grid span {
  color: #c65d3b;
  font-size: 13px;
  font-weight: 700;
}
.pain-grid p,
.feature-item p,
.download-card p,
.qr-card p {
  color: #60756d;
  line-height: 1.75;
}
.feature-list {
  display: grid;
  gap: 20px;
}
.feature-item {
  display: grid;
  grid-template-columns: 1fr 310px;
  gap: 50px;
  align-items: center;
  padding: 42px;
  border: 1px solid #dce8e1;
  border-radius: 24px;
  background: #fff;
}
.feature-item.reverse > div:first-child {
  order: 2;
}
.feature-item.reverse > div:last-child {
  order: 1;
}
.feature-board {
  display: grid;
  gap: 16px;
  min-height: 220px;
  padding: 28px 30px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(145deg, #367969, #236252);
  box-shadow: 0 18px 36px rgba(31, 92, 78, 0.16);
}
.feature-board p {
  margin: 0;
  color: #c7e3d7;
  font-size: 13px;
}
.feature-board strong {
  font-size: 25px;
  line-height: 1.2;
}
.feature-progress {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(206, 234, 222, 0.32);
}
.feature-progress i {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: #91e4c4;
}
.feature-board-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.feature-board-grid span {
  padding: 13px 14px;
  border-radius: 12px;
  background: rgba(19, 83, 70, 0.58);
  font-size: 14px;
  font-weight: 600;
}
.workflow {
  border-top: 1px solid #dce8e1;
}
.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.flow-list li {
  position: relative;
  display: flex;
  gap: 14px;
}
.flow-list li:not(:last-child)::after {
  position: absolute;
  top: 23px;
  right: -12px;
  width: 24px;
  height: 1px;
  background: #aabcb4;
  content: '';
}
.flow-list span {
  display: grid;
  place-items: center;
  flex: 0 0 46px;
  height: 46px;
  border-radius: 50%;
  color: #fff;
  background: #1f5c4e;
  font-weight: 700;
}
.flow-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
}
.flow-list p {
  margin: 0;
  color: #60756d;
  font-size: 14px;
  line-height: 1.6;
}
.value-panel {
  margin: 0 0 104px;
  padding: clamp(38px, 7vw, 78px);
  border-radius: 28px;
  color: #f9fffb;
  background: #252a28;
}
.value-panel .section-kicker {
  color: #e6a38e;
}
.value-panel h2 {
  max-width: 840px;
}
.value-panel > p:last-child {
  max-width: 600px;
  margin: 25px 0 0;
  color: #d7ddd9;
  line-height: 1.8;
}
.download-section {
  padding-top: 0;
}
.download-loading {
  color: #60756d;
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.download-card {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 32px;
  border: 1px solid #dce8e1;
  border-radius: 18px;
  background: #fff;
}
.download-card h3,
.qr-card h3 {
  margin-bottom: 8px;
}
.download-card small {
  color: #708179;
}
.download-card .button-secondary {
  color: #175143;
  border-color: #b7ccc1;
}
.app-store-badge {
  display: block;
  width: 150px;
  line-height: 0;
}
.app-store-badge img {
  width: 100%;
  height: auto;
}
.ios-qr-card {
  background: #edf6f1;
}
.download-qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}
.qr-card {
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 20px;
  border-radius: 18px;
  background: #e7e0d5;
}
.qr-card img {
  width: 132px;
  height: 132px;
  padding: 8px;
  border-radius: 10px;
  background: #fff;
}
.wechat-guide {
  position: fixed;
  z-index: 10;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(17, 42, 35, 0.82);
}
.wechat-guide[hidden] {
  display: none;
}
body.wechat-guide-open {
  overflow: hidden;
}
.wechat-guide-panel {
  position: relative;
  width: min(100%, 420px);
  padding: 58px 30px 30px;
  border-radius: 22px;
  background: #f7f3ed;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}
.wechat-guide-arrow {
  position: absolute;
  top: 12px;
  right: 58px;
  color: #c65d3b;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
}
.wechat-guide-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #4e4d4d;
  background: #e7e0d5;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.wechat-guide-kicker {
  margin: 0 0 12px;
  color: #397b65;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.wechat-guide h2 {
  margin-bottom: 16px;
  font-size: 28px;
}
.wechat-guide p:not(.wechat-guide-kicker) {
  margin-bottom: 24px;
  color: #4e4d4d;
  line-height: 1.75;
}
.wechat-guide-confirm {
  width: 100%;
  padding: 14px 20px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: #1f5c4e;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
footer {
  padding: 0 28px 40px;
  color: #708179;
  font-size: 13px;
  text-align: center;
}
footer a {
  color: inherit;
}
@media (max-width: 800px) {
  main {
    padding: 16px;
  }
  .hero,
  .feature-item,
  .download-grid,
  .download-qr-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    gap: 28px;
    border-radius: 20px;
  }
  .pain-grid,
  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-item,
  .value-panel {
    padding: 28px;
  }
  .feature-item.reverse > div:first-child,
  .feature-item.reverse > div:last-child {
    order: initial;
  }
  .flow-list li:nth-child(2)::after {
    display: none;
  }
  .section {
    padding: 72px 0;
  }
  .pain-points,
  .features {
    padding-top: 56px;
    padding-bottom: 56px;
  }
  .value-panel {
    margin-bottom: 72px;
  }
}
@media (max-width: 520px) {
  .hero {
    padding: 32px 24px;
  }
  .pain-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }
  .flow-list li:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -10px;
    left: 23px;
    width: 1px;
    height: 18px;
  }
  .section {
    padding: 56px 0;
  }
  .download-card,
  .qr-card {
    align-items: flex-start;
    flex-direction: column;
  }
  .hero-actions .button {
    width: 100%;
    text-align: center;
  }
  .wechat-guide {
    padding: 16px;
  }
  .wechat-guide-panel {
    padding: 58px 24px 24px;
  }
}