:root {
  color-scheme: light;
  --green-950: #073f3b;
  --green-900: #095c55;
  --green-700: #0f766e;
  --green-600: #139488;
  --green-100: #dff4ef;
  --green-50: #eef9f6;
  --ink: #102322;
  --muted: #647471;
  --line: #dfeae7;
  --paper: #ffffff;
  --background: #f7faf9;
  --shadow: 0 26px 70px rgba(9, 92, 85, 0.13);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--background);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(15, 118, 110, 0.09);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 14px 14px 14px 5px;
  background: var(--green-700);
  box-shadow: 0 8px 22px rgba(15, 118, 110, 0.22);
  color: white;
  font-size: 20px;
  font-weight: 800;
}

.brand-text {
  display: grid;
  gap: 1px;
}

.brand-text strong {
  font-size: 17px;
  letter-spacing: 0.04em;
}

.brand-text small {
  color: #70807d;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  color: #50605d;
  font-size: 14px;
}

.site-nav a:not(.nav-action):hover {
  color: var(--green-700);
}

.nav-action {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--green-700);
  color: white;
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 700px;
  background:
    linear-gradient(115deg, rgba(239, 249, 246, 0.95) 0%, rgba(255, 255, 255, 0.97) 52%, rgba(232, 247, 242, 0.96) 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(15, 118, 110, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  mask-image: linear-gradient(to right, black, transparent 70%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero-orb-one {
  top: -170px;
  right: 4%;
  width: 520px;
  height: 520px;
  background: rgba(89, 190, 169, 0.13);
}

.hero-orb-two {
  bottom: -220px;
  left: -160px;
  width: 460px;
  height: 460px;
  background: rgba(245, 174, 91, 0.08);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: 70px;
  min-height: 700px;
  padding-top: 54px;
  padding-bottom: 62px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
}

.eyebrow span {
  display: inline-block;
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 5.4vw, 72px);
  font-weight: 850;
  letter-spacing: -0.05em;
  line-height: 1.17;
}

.hero h1 em {
  color: var(--green-700);
  font-style: normal;
}

.hero-description {
  max-width: 590px;
  margin: 28px 0 0;
  color: #586966;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 25px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 750;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--green-700);
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.22);
  color: white;
}

.button-secondary {
  border: 1px solid #cfdfdb;
  background: rgba(255, 255, 255, 0.78);
  color: #40514e;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  margin: 28px 0 0;
  padding: 0;
  color: #657571;
  font-size: 13px;
  list-style: none;
}

.hero-points li::before {
  display: inline-grid;
  width: 18px;
  height: 18px;
  margin-right: 7px;
  place-items: center;
  border-radius: 50%;
  background: var(--green-100);
  color: var(--green-700);
  content: "✓";
  font-size: 11px;
  font-weight: 900;
}

.product-preview {
  position: relative;
  display: grid;
  min-height: 550px;
  place-items: center;
}

.preview-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(46, 162, 145, 0.14);
  filter: blur(20px);
}

.phone-shell {
  position: relative;
  z-index: 2;
  width: 300px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 40px;
  background: #142321;
  box-shadow: 0 42px 80px rgba(16, 55, 50, 0.24);
  transform: rotate(2deg);
}

.phone-top {
  position: absolute;
  z-index: 3;
  top: 18px;
  left: 50%;
  display: flex;
  width: 76px;
  height: 19px;
  align-items: center;
  justify-content: flex-end;
  padding-right: 9px;
  border-radius: 999px;
  background: #142321;
  transform: translateX(-50%);
}

.phone-top span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3a5651;
}

.phone-content {
  min-height: 518px;
  overflow: hidden;
  padding: 46px 19px 20px;
  border-radius: 31px;
  background: #f7faf9;
}

.phone-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-heading div {
  display: grid;
  gap: 4px;
}

.phone-heading small {
  color: #81908d;
  font-size: 10px;
}

.phone-heading strong {
  font-size: 18px;
}

.avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 12px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 13px;
  font-weight: 900;
}

.progress-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 19px;
  background: linear-gradient(135deg, #0f766e, #15998d);
  box-shadow: 0 14px 25px rgba(15, 118, 110, 0.17);
  color: white;
}

.progress-title,
.progress-labels {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-title span {
  font-size: 11px;
  opacity: 0.8;
}

.progress-title strong {
  font-size: 13px;
}

.progress-track {
  height: 6px;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.progress-track span {
  display: block;
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: white;
}

.progress-labels {
  margin-top: 8px;
  font-size: 9px;
  opacity: 0.72;
}

.phone-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
}

.phone-section-title strong {
  font-size: 14px;
}

.phone-section-title span {
  color: #8a9996;
  font-size: 9px;
}

.practice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
  margin-top: 12px;
}

.practice-card {
  display: grid;
  min-height: 72px;
  align-content: space-between;
  padding: 12px;
  border-radius: 15px;
}

.practice-card b {
  font-size: 10px;
  opacity: 0.62;
}

.practice-card span {
  font-size: 12px;
  font-weight: 800;
}

.practice-card-green { background: #e0f3ef; color: #0d766d; }
.practice-card-orange { background: #fff0dd; color: #ad6920; }
.practice-card-blue { background: #e5effb; color: #3d6b9e; }
.practice-card-purple { background: #eee9fb; color: #6952a4; }

.analysis-card {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  padding: 13px;
  border: 1px solid #e4ecea;
  border-radius: 16px;
  background: white;
}

.analysis-card > div:nth-child(2) {
  display: grid;
  gap: 3px;
}

.analysis-card strong {
  font-size: 12px;
}

.analysis-card span {
  color: #879592;
  font-size: 9px;
}

.analysis-card > b {
  color: #9ba8a5;
  font-size: 20px;
}

.analysis-icon {
  display: flex;
  width: 36px;
  height: 36px;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding-bottom: 9px;
  border-radius: 12px;
  background: var(--green-50);
}

.analysis-icon i {
  width: 4px;
  border-radius: 3px;
  background: var(--green-700);
}

.analysis-icon i:nth-child(1) { height: 8px; }
.analysis-icon i:nth-child(2) { height: 14px; }
.analysis-icon i:nth-child(3) { height: 20px; }

.floating-note {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 154px;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.93);
  box-shadow: 0 18px 40px rgba(16, 70, 63, 0.15);
  backdrop-filter: blur(12px);
}

.floating-note b {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  background: var(--green-100);
  color: var(--green-700);
}

.floating-note span {
  font-size: 11px;
  font-weight: 800;
  line-height: 1.35;
}

.floating-note small {
  color: #899794;
  font-size: 9px;
  font-weight: 500;
}

.note-top {
  top: 115px;
  right: -8px;
}

.note-bottom {
  bottom: 98px;
  left: -22px;
}

.section {
  padding: 105px 0;
}

.section-heading {
  max-width: 680px;
  margin: 0 auto 50px;
  text-align: center;
}

.eyebrow-centered {
  justify-content: center;
}

.section-heading h2,
.workflow-copy h2,
.mini-program-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 48px);
  letter-spacing: -0.04em;
  line-height: 1.35;
}

.section-heading > p:last-child,
.workflow-copy > p:last-child,
.mini-program-copy > p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.features-section {
  background: white;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  position: relative;
  overflow: hidden;
  min-height: 330px;
  padding: 30px 26px 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fbfdfc;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.feature-card:hover {
  border-color: #b9d9d2;
  box-shadow: 0 22px 50px rgba(15, 92, 82, 0.09);
  transform: translateY(-5px);
}

.feature-number {
  position: absolute;
  top: 22px;
  right: 22px;
  color: #d9e5e2;
  font-size: 13px;
  font-weight: 900;
}

.feature-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 17px;
  background: var(--green-100);
  color: var(--green-700);
  font-size: 27px;
  font-weight: 900;
}

.icon-list {
  align-content: center;
  gap: 5px;
}

.icon-list i {
  width: 22px;
  height: 3px;
  border-radius: 4px;
  background: currentColor;
}

.icon-chart {
  grid-auto-flow: column;
  align-items: end;
  gap: 4px;
  padding-bottom: 14px;
}

.icon-chart i {
  width: 5px;
  border-radius: 4px;
  background: currentColor;
}

.icon-chart i:nth-child(1) { height: 12px; }
.icon-chart i:nth-child(2) { height: 23px; }
.icon-chart i:nth-child(3) { height: 17px; }

.feature-card h3 {
  margin: 25px 0 0;
  font-size: 21px;
}

.feature-card p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.feature-tag {
  position: absolute;
  bottom: 26px;
  left: 26px;
  color: var(--green-700);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.workflow-section {
  background: #f3f8f6;
}

.workflow-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 100px;
}

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

.workflow-list li {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.85);
}

.workflow-list li > b {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 15px;
  background: var(--green-100);
  color: var(--green-700);
}

.workflow-list li div {
  display: grid;
  gap: 6px;
}

.workflow-list strong {
  font-size: 16px;
}

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

.mini-program-section {
  background: white;
}

.mini-program-card {
  position: relative;
  display: flex;
  min-height: 330px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  overflow: hidden;
  padding: 64px 76px;
  border-radius: 32px;
  background: linear-gradient(125deg, var(--green-950), var(--green-700));
  box-shadow: var(--shadow);
  color: white;
}

.mini-program-copy {
  position: relative;
  z-index: 2;
  max-width: 620px;
}

.eyebrow-light {
  color: #8bd5c7;
}

.mini-program-copy > p {
  color: rgba(255, 255, 255, 0.72);
}

.wechat-tip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding: 11px 16px 11px 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 14px;
}

.wechat-tip > b {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 10px;
  background: white;
  color: var(--green-700);
  font-size: 12px;
}

.qr-wrap {
  position: relative;
  z-index: 2;
}

.qr-card {
  display: grid;
  gap: 10px;
  width: 176px;
  padding: 16px;
  border-radius: 20px;
  background: white;
  box-shadow: 0 18px 45px rgba(4, 51, 47, 0.28);
  color: #546461;
  font-size: 11px;
  text-align: center;
}

.qr-card img {
  width: 144px;
  height: 144px;
  object-fit: contain;
}

.mini-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mini-decoration span {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
}

.mini-decoration span:nth-child(1) { right: -140px; bottom: -210px; width: 430px; height: 430px; }
.mini-decoration span:nth-child(2) { right: -75px; bottom: -145px; width: 300px; height: 300px; }
.mini-decoration span:nth-child(3) { top: -120px; left: 40%; width: 250px; height: 250px; }

.site-footer {
  padding: 52px 0 24px;
  background: #0b1e1c;
  color: white;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  padding-bottom: 36px;
}

.brand-mark-small {
  width: 38px;
  height: 38px;
  border-radius: 12px 12px 12px 4px;
  font-size: 17px;
}

.footer-brand > div {
  display: grid;
  gap: 4px;
}

.footer-brand strong {
  font-size: 16px;
}

.footer-brand span:last-child {
  color: #8ca09c;
  font-size: 11px;
}

.footer-description {
  max-width: 580px;
  margin: 0;
  color: #8fa29e;
  font-size: 12px;
  line-height: 1.8;
  text-align: right;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: #718581;
  font-size: 11px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
}

.footer-links a:hover {
  color: #a9c4be;
}

[hidden] {
  display: none !important;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr 400px;
    gap: 28px;
  }

  .hero h1 {
    font-size: 52px;
  }

  .floating-note {
    display: none;
  }

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

  .workflow-grid {
    gap: 50px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .header-inner {
    min-height: 68px;
  }

  .site-nav a:not(.nav-action) {
    display: none;
  }

  .nav-action {
    padding: 9px 14px;
    font-size: 12px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-top: 70px;
    padding-bottom: 72px;
    text-align: center;
  }

  .hero-copy {
    display: grid;
    justify-items: center;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 58px);
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-actions,
  .hero-points {
    justify-content: center;
  }

  .product-preview {
    min-height: 520px;
  }

  .phone-shell {
    transform: none;
  }

  .section {
    padding: 76px 0;
  }

  .section-heading h2,
  .workflow-copy h2,
  .mini-program-copy h2 {
    font-size: 34px;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .workflow-copy {
    text-align: center;
  }

  .workflow-copy .eyebrow {
    justify-content: center;
  }

  .mini-program-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 46px 34px;
  }

  .footer-main {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .footer-description {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .brand-text small {
    display: none;
  }

  .hero h1 {
    letter-spacing: -0.06em;
  }

  .hero-actions {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-points {
    gap: 13px;
    font-size: 12px;
  }

  .phone-shell {
    width: min(300px, calc(100vw - 52px));
  }

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

  .feature-card {
    min-height: 300px;
  }

  .workflow-list li {
    grid-template-columns: 46px 1fr;
    padding: 19px;
  }

  .workflow-list li > b {
    width: 42px;
    height: 42px;
  }

  .mini-program-card {
    border-radius: 24px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .footer-links {
    justify-content: flex-start;
    gap: 14px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}