:root {
  --primary-color: #25c696;
  --primary-color-hover: #1be2bb;
  --white: #fff;
  --black: #000;
  --text-color-1: #25372e;
  --text-color-2: #75807b;
  --text-color-3: #bdc7c3;
  --active: #11c58f;
  --border-color: #ddf3ea;
  --bg-color-1: #ddf0ea;
  --bg-color-2: #f7fbfc;
  --card-bg: #f2f9f7;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  color: var(--text-color-1);
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 20% 10%, rgba(37, 198, 150, 0.18), transparent 40%),
    linear-gradient(180deg, var(--bg-color-1) 0%, var(--bg-color-2) 38%, var(--white) 100%);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

a {
  color: var(--active);
  text-decoration: none;
}

a:hover {
  color: var(--primary-color-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -44px;
  left: 8px;
  z-index: 999;
  background: var(--black);
  color: var(--white);
  padding: 8px 10px;
}

.skip-link:focus {
  top: 8px;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border-color);
  background: rgba(247, 251, 252, 0.94);
  backdrop-filter: blur(7px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-color-1);
}

.brand-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.brand-text {
  font-size: 1rem;
  font-weight: 700;
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.nav-list a {
  display: inline-block;
  color: var(--text-color-1);
  padding: 6px 8px;
  font-weight: 600;
}

.hero {
  padding: 84px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 24px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--active);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.35;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(1.7rem, 2.4vw + 1rem, 2.7rem);
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.25rem, 1.3vw + 0.95rem, 1.82rem);
}

h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.hero-desc,
.section-intro {
  margin: 0;
  max-width: 64ch;
  color: var(--text-color-2);
}

.btn-primary {
  margin-top: 22px;
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--primary-color);
  color: var(--white);
  font-weight: 700;
}

.btn-primary:hover {
  color: var(--white);
  background: var(--primary-color-hover);
}

.hero-media img {
  border-radius: 14px;
  border: 1px solid var(--border-color);
  min-height: 320px;
  object-fit: cover;
  box-shadow: 0 12px 35px rgba(37, 55, 46, 0.13);
}

.section {
  padding: 54px 0;
}

.section-alt {
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(180deg, rgba(221, 240, 234, 0.36) 0%, rgba(242, 249, 247, 0.72) 100%);
}

.card-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.card-list li {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  background: var(--card-bg);
}

.card-list p {
  margin: 0;
  color: var(--text-color-2);
}

.gallery-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.gallery-item {
  margin: 0;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  background: var(--white);
}

.gallery-item img {
  height: 270px;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 10px 12px;
  color: var(--text-color-2);
  font-size: 0.95rem;
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

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

.site-footer {
  padding: 24px 0 28px;
  font-size: 0.94rem;
  color: var(--text-color-2);
}

.footer-inner {
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

.footer-inner p {
  margin: 6px 0;
}

.record-line {
  color: var(--text-color-1);
  font-weight: 600;
}

.divider {
  margin: 0 8px;
  color: var(--text-color-3);
}

@media (max-width: 900px) {
  .hero-grid,
  .card-list,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 44px 0;
  }

  .hero {
    padding: 70px 0 48px;
  }
}