:root {
  --bg: #eef7f1;
  --bg-soft: #f7fcf9;
  --card: #ffffff;
  --text: #153d2e;
  --muted: #5f7e70;
  --line: #d5e8dc;
  --primary: #1e9f69;
  --primary-dark: #13724a;
  --hero-a: #0f5a3f;
  --hero-b: #2ebc87;
  --shadow: 0 14px 30px rgba(22, 98, 65, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(1100px 450px at -10% -10%, #f5fcf7 0%, transparent 62%),
    radial-gradient(920px 380px at 120% -20%, #edf9f2 0%, transparent 58%),
    linear-gradient(180deg, #f0f8f3 0%, var(--bg) 100%);
  color: var(--text);
}

a { color: inherit; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(244, 251, 246, 0.9);
  border-bottom: 1px solid rgba(179, 214, 194, 0.7);
}

.nav-inner {
  width: min(1200px, 94%);
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  text-decoration: none;
  font-size: 23px;
  font-weight: 800;
  letter-spacing: .4px;
  color: #14533b;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  color: #2f604c;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px 12px;
  transition: .2s ease;
}

.nav-links a:hover {
  background: #edf8f1;
  border-color: #cbe5d6;
  color: #1d8c5f;
}

.nav-links .nav-btn {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.wrap {
  width: min(1200px, 94%);
  margin: 0 auto;
}

.top-slider-wrap {
  margin: 16px auto 14px;
}

.top-slider {
  min-height: 360px;
  border-radius: 18px;
  border: 1px solid #c6dfd1;
  box-shadow: var(--shadow);
  background: #e8f7ef;
}

.top-slider .slide {
  position: relative;
  min-height: 360px;
  padding: 0;
}

.top-slider-media {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.top-slider .slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(13, 47, 33, 0.62) 0%, rgba(15, 87, 59, 0.52) 55%, rgba(19, 122, 79, 0.3) 100%);
}

.top-slider-content {
  position: relative;
  z-index: 2;
  padding: 44px 34px;
  color: #fff;
  max-width: 760px;
}

.top-slider-content h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
}

.top-slider-content p {
  margin: 12px 0 0;
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
}

.top-slider .slider-dots {
  bottom: 14px;
}

.hero {
  margin: 18px auto 14px;
  border: 1px solid #c6dfd1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: linear-gradient(145deg, var(--hero-a) 0%, #1a8f62 44%, var(--hero-b) 100%);
  color: #fff;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  right: -170px;
  top: -180px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
}

.hero-body {
  position: relative;
  z-index: 2;
  padding: 46px 34px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.2;
  letter-spacing: .8px;
}

.hero p {
  margin: 14px 0 0;
  max-width: 820px;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(16px, 1.7vw, 22px);
  line-height: 1.75;
}

.section {
  margin: 14px auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  box-shadow: 0 8px 24px rgba(26, 82, 57, 0.08);
}

.section-body {
  padding: 24px 20px;
}

.section-title {
  margin: 0;
  font-size: 28px;
  color: #1b6a4a;
}

.section-sub {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 15px;
}

.grid-2,
.grid-3,
.grid-4 {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-soft);
  padding: 14px;
}

.card h3 {
  margin: 0;
  font-size: 18px;
  color: #1f684b;
}

.card p {
  margin: 8px 0 0;
  color: #567262;
  line-height: 1.7;
  font-size: 14px;
}

.list,
.list-check {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #4d6758;
  line-height: 1.8;
  font-size: 14px;
}

.list-check {
  list-style: none;
  padding-left: 0;
}

.list-check li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
}

.list-check li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #178d5e;
  font-weight: 800;
}

.actions {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border: 1px solid #b8ddc9;
  color: #1d7f56;
  background: #f3fbf6;
}

.btn.primary {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
}

.slider {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f5fbf7;
  min-height: 240px;
}

.slide {
  display: none;
  padding: 18px;
  min-height: 240px;
}

.slide.active {
  display: block;
  animation: fade .28s ease;
}

.slide h4 {
  margin: 0;
  font-size: 22px;
  color: #1f704e;
}

.slide p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: #557462;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(24, 121, 82, 0.28);
  cursor: pointer;
}

.dot.active {
  background: #1c905f;
}

.footer {
  margin-top: 22px;
  padding: 16px 18px 18px;
  text-align: center;
  color: #5b786a;
  line-height: 1.7;
  font-size: 13px;
  border: 1px solid #cfe3d7;
  border-radius: 16px;
  background: linear-gradient(180deg, #f8fcf9 0%, #f0f8f3 100%);
  box-shadow: 0 10px 24px rgba(18, 90, 60, 0.08);
}

.footer > div:first-child {
  color: #244f3b;
  font-weight: 800;
  letter-spacing: 0.2px;
}

.footer .footer-provider {
  margin-bottom: 8px;
  color: #4d6f60;
  font-size: 12px;
  font-weight: 700;
}

.footer > div:nth-child(2) {
  margin-top: 8px;
}

.footer .footer-record {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid #bedccc;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(16, 84, 56, 0.08);
}

.footer .footer-support {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.footer .footer-support span {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid #c7dece;
  background: #f5fbf7;
  color: #3f6655;
  font-size: 12px;
  font-weight: 700;
}

.footer a {
  color: #1b7d53;
  text-decoration: none;
  font-weight: 800;
}

.footer a:hover {
  text-decoration: underline;
}

.notice {
  border: 1px solid #c4dfcf;
  border-radius: 12px;
  background: #f4fbf6;
  padding: 12px;
  color: #4f695a;
  font-size: 14px;
  line-height: 1.7;
}

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .nav-inner { padding: 8px 0; align-items: flex-start; }
  .logo { font-size: 20px; }
  .top-slider,
  .top-slider .slide { min-height: 280px; }
  .top-slider-content { padding: 24px 16px; }
  .hero-body { padding: 30px 18px; }
  .section-body { padding: 16px 14px; }
  .section-title { font-size: 22px; }
  .slide { min-height: 230px; }
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
  .footer {
    padding: 14px 12px 16px;
    border-radius: 14px;
  }
  .footer > div:first-child {
    font-size: 12px;
    line-height: 1.7;
  }
  .footer .footer-provider {
    font-size: 11px;
    line-height: 1.6;
  }
  .footer .footer-record {
    height: 28px;
    padding: 0 10px;
  }
}