:root {
  --bg: #f7f1e8;
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #fffaf4;
  --surface-dark: #11253d;
  --ink: #172331;
  --ink-soft: #566272;
  --line: rgba(23, 35, 49, 0.12);
  --accent: #d8652c;
  --accent-deep: #a3471d;
  --accent-soft: rgba(216, 101, 44, 0.14);
  --secondary: #1b5c93;
  --secondary-soft: rgba(27, 92, 147, 0.12);
  --shadow: 0 24px 60px rgba(23, 35, 49, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1180px;
  --font-sans: "HarmonyOS Sans SC", "Microsoft YaHei UI", "PingFang SC", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 101, 44, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(27, 92, 147, 0.14), transparent 26%),
    linear-gradient(180deg, #fcf7f0 0%, #f7f1e8 38%, #efe5d6 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 35, 49, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 35, 49, 0.04) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 88%);
}

.page-shell {
  position: relative;
}

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

.site-header {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 22px;
  margin-top: 18px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 999px;
  background: rgba(255, 250, 244, 0.7);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(23, 35, 49, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  padding: 4px;
  background: #fff;
  border: 1px solid rgba(23, 35, 49, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 12px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy small {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 28px;
}

.site-nav a,
.nav-cta,
.button {
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.nav-cta,
.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 14px 28px rgba(168, 71, 29, 0.22);
}

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

.button-secondary {
  color: var(--secondary);
  background: rgba(255, 255, 255, 0.56);
  border-color: rgba(27, 92, 147, 0.18);
}

.section {
  padding: 96px 0 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 180px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--secondary);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.panel-card-primary h2,
.contact-copy h2 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(3.3rem, 6vw, 5.8rem);
}

.hero-text,
.section-heading,
.panel-card p,
.service-card p,
.district-copy p,
.contact-copy p,
.intro-card p,
.architecture-grid p,
.advantage-grid p,
.process-timeline p,
.audience-grid p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.hero-text {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.hero-contact-strip a,
.hero-contact-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
}

.hero-metrics li,
.panel-card,
.intro-card,
.service-card,
.architecture-grid article,
.district-cards article,
.advantage-grid article,
.process-timeline article,
.audience-grid article,
.contact-form {
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-metrics li {
  padding: 18px;
  border-radius: var(--radius-md);
}

.hero-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 2rem;
  color: var(--secondary);
}

.hero-panel {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(17, 37, 61, 0.96), rgba(17, 37, 61, 0.86)),
    linear-gradient(135deg, rgba(216, 101, 44, 0.42), rgba(27, 92, 147, 0.4));
  color: #edf5ff;
  overflow: hidden;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero-panel::before {
  top: -80px;
  right: -50px;
  width: 220px;
  height: 220px;
  background: rgba(244, 161, 91, 0.16);
}

.hero-panel::after {
  bottom: -90px;
  left: -70px;
  width: 240px;
  height: 240px;
  background: rgba(27, 92, 147, 0.2);
}

.panel-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  color: inherit;
}

.panel-card-primary {
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.panel-card-primary p,
.panel-card-primary ul,
.panel-card span,
.panel-card p {
  color: rgba(237, 245, 255, 0.82);
}

.panel-card-primary h2 {
  font-size: clamp(1.9rem, 3vw, 2.5rem);
  max-width: 12ch;
}

.panel-card-primary ul,
.service-card ul {
  margin: 18px 0 0;
  padding-left: 18px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.panel-card span,
.service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.section-heading {
  max-width: 70ch;
  margin-bottom: 36px;
}

.section-heading h2,
.contact-copy h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.intro-grid,
.service-grid,
.advantage-grid,
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

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

.intro-card,
.service-card,
.advantage-grid article,
.audience-grid article {
  padding: 28px;
  border-radius: var(--radius-lg);
}

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

.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -60px auto;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 101, 44, 0.2), transparent 68%);
}

.service-index {
  margin-bottom: 20px;
  color: var(--accent);
  background: var(--accent-soft);
}

.service-card h3,
.intro-card h3,
.architecture-grid h3,
.district-cards h3,
.advantage-grid h3,
.process-timeline h3,
.audience-grid h3 {
  margin: 0 0 12px;
  font-size: 1.24rem;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.architecture-grid article {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.architecture-grid span {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--secondary);
  font-weight: 700;
}

.district-layout,
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: start;
}

.district-copy,
.contact-copy {
  padding: 14px 0;
}

.district-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.district-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  color: var(--secondary);
  font-weight: 700;
}

.district-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.district-cards article {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 244, 0.82);
  border: 1px solid rgba(23, 35, 49, 0.08);
  box-shadow: var(--shadow);
}

.advantage-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.process-timeline article {
  padding: 24px 22px;
  border-radius: var(--radius-lg);
}

.process-timeline span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 18px;
  border-radius: 50%;
  color: #fff;
  font-weight: 800;
  background: linear-gradient(135deg, var(--secondary), #3f87c1);
}

.contact-wrap {
  padding: 34px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 250, 244, 0.82), rgba(255, 244, 232, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.contact-points {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.contact-points div {
  display: grid;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.contact-points strong {
  font-size: 0.95rem;
}

.wechat-panel {
  margin-top: 28px;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(27, 92, 147, 0.08), rgba(216, 101, 44, 0.08));
  border: 1px solid rgba(23, 35, 49, 0.1);
}

.wechat-panel-top {
  display: grid;
  gap: 6px;
}

.wechat-panel-top span,
.wechat-tip {
  color: var(--ink-soft);
  line-height: 1.7;
}

.wechat-id-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.wechat-id-row span {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.mini-button {
  min-height: 46px;
}

.contact-points a,
.footer-side a,
.site-footer a {
  color: var(--secondary);
  text-decoration: none;
}

.contact-points a:hover,
.footer-side a:hover,
.site-footer a:hover {
  text-decoration: underline;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.74);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form span {
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(23, 35, 49, 0.12);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(27, 92, 147, 0.22);
  outline-offset: 1px;
  border-color: rgba(27, 92, 147, 0.3);
}

.form-feedback {
  min-height: 24px;
  margin: 0;
  color: var(--secondary);
  font-size: 0.94rem;
}

.message-preview {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 248, 240, 0.92);
  border: 1px solid rgba(216, 101, 44, 0.16);
}

.message-preview strong {
  display: block;
  margin-bottom: 10px;
}

.message-preview pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
  font: inherit;
  line-height: 1.75;
}

.learning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.learning-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.learning-tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--secondary-soft);
  color: var(--secondary);
  font-size: 0.84rem;
  font-weight: 700;
}

.learning-card h3 {
  margin: 18px 0 12px;
  font-size: 1.2rem;
  line-height: 1.45;
}

.learning-card p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.75;
}

.learning-card a {
  display: inline-flex;
  align-items: center;
  margin-top: 20px;
  color: var(--accent-deep);
  font-weight: 700;
  text-decoration: none;
}

.learning-card a:hover {
  text-decoration: underline;
}

.site-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 56px 0 42px;
  color: var(--ink-soft);
}

.footer-side {
  text-align: right;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1080px) {
  .hero,
  .district-layout,
  .contact-wrap {
    grid-template-columns: 1fr;
  }

  .process-timeline,
  .advantage-grid,
  .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: center;
    border-radius: 28px;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 20px;
  }

  .hero {
    min-height: auto;
    padding-top: 28px;
  }

  .hero h1 {
    max-width: 100%;
  }

  .intro-grid,
  .service-grid,
  .learning-grid,
  .architecture-grid,
  .district-cards,
  .advantage-grid,
  .process-timeline,
  .audience-grid,
  .hero-metrics,
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .contact-wrap {
    padding: 24px;
  }

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

@media (max-width: 560px) {
  .site-header,
  .section,
  .site-footer {
    width: min(calc(100% - 22px), var(--max-width));
  }

  .site-header {
    top: 10px;
    padding: 14px 16px;
  }

  .brand-copy small {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 12vw, 4.1rem);
  }

  .section {
    padding-top: 76px;
  }

  .hero-panel,
  .service-card,
  .intro-card,
  .architecture-grid article,
  .district-cards article,
  .advantage-grid article,
  .process-timeline article,
  .audience-grid article,
  .contact-form {
    padding: 22px;
  }

  .button,
  .nav-cta {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .wechat-id-row {
    align-items: stretch;
  }
}