:root {
  --bg: #f6f1eb;
  --bg-soft: #fffaf5;
  --panel: rgba(255, 251, 247, 0.92);
  --panel-strong: #fffdf9;
  --primary: #7a4b32;
  --primary-deep: #5b3522;
  --secondary: #6b8a6b;
  --secondary-deep: #4f6d4f;
  --accent: #d6b28a;
  --text: #2d2621;
  --muted: #6f6258;
  --line: rgba(122, 75, 50, 0.14);
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(73, 42, 26, 0.12);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --wrap: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(246, 241, 235, 0.9), rgba(246, 241, 235, 0.96)),
    url('https://images.unsplash.com/photo-1505751172876-fa1923c5c528?auto=format&fit=crop&w=1600&q=80') center top / cover no-repeat;
  z-index: -3;
}

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

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

.wrap {
  width: min(var(--wrap), calc(100% - 32px));
  margin: 0 auto;
}

.site-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 12% 20%, rgba(107, 138, 107, 0.18), transparent 26%),
    radial-gradient(circle at 88% 12%, rgba(122, 75, 50, 0.15), transparent 22%),
    radial-gradient(circle at 80% 78%, rgba(214, 178, 138, 0.18), transparent 26%);
  pointer-events: none;
  z-index: -2;
}

.topline {
  background: linear-gradient(90deg, rgba(91, 53, 34, 0.94), rgba(107, 138, 107, 0.94));
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
}

.topline-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 11px 0;
  flex-wrap: wrap;
}

.topline-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.topline-tags span {
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
}

.hero-header {
  padding: 18px 0 52px;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px 28px;
  background: rgba(255, 253, 249, 0.78);
  border: 1px solid rgba(255,255,255,0.5);
  box-shadow: var(--shadow);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(91, 53, 34, 0.22);
}

.brand-block strong {
  display: block;
  font-size: 24px;
  color: var(--primary-deep);
}

.brand-block p {
  color: var(--muted);
  font-size: 13px;
}

.nav-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: #4f453e;
}

.nav-links a:hover {
  color: var(--secondary-deep);
}

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 380px;
  gap: 28px;
  padding-top: 30px;
}

.hero-copy,
.hero-panel,
.section-plate,
.feature-card,
.equip-item,
.env-card,
.banner-shell,
.site-footer {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.55);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-copy {
  padding: 52px;
  border-radius: 36px;
  position: relative;
  overflow: hidden;
}

.hero-copy::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -20px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(107, 138, 107, 0.22), transparent 70%);
}

.hero-badge,
.section-label {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(107, 138, 107, 0.12);
  color: var(--secondary-deep);
  font-size: 13px;
  letter-spacing: .08em;
  margin-bottom: 18px;
}

.section-label.light {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.88);
}

.hero-copy h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  margin-bottom: 18px;
  color: var(--primary-deep);
}

.hero-copy p {
  font-size: 16px;
  color: #5e5148;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 16px 30px rgba(91, 53, 34, 0.18);
}

.btn-secondary {
  color: var(--primary-deep);
  background: rgba(255,255,255,0.74);
  border: 1px solid rgba(122, 75, 50, 0.14);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-points li {
  padding: 14px 16px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(122, 75, 50, 0.08);
  border-radius: 16px;
  font-size: 14px;
  color: #584c44;
}

.hero-panel {
  border-radius: 32px;
  padding: 28px;
  align-self: stretch;
}

.hero-panel-head small {
  color: var(--secondary-deep);
  display: block;
  margin-bottom: 6px;
}

.hero-panel-head h2 {
  font-size: 28px;
  line-height: 1.25;
  margin-bottom: 18px;
  color: var(--primary-deep);
}

.info-card {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.62);
  border: 1px solid rgba(122, 75, 50, 0.09);
}

.info-card + .info-card {
  margin-top: 14px;
}

.info-card span {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 700;
}

.info-card h3 {
  font-size: 18px;
  margin-bottom: 4px;
}

.info-card p {
  color: var(--muted);
  font-size: 14px;
}

.floating-notice {
  margin-top: -22px;
  position: relative;
  z-index: 2;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.notice-grid article {
  padding: 22px;
  background: rgba(255, 253, 249, 0.88);
  border: 1px solid rgba(255,255,255,0.55);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.notice-grid small {
  display: block;
  color: var(--muted);
  margin-bottom: 6px;
}

.notice-grid strong {
  color: var(--primary-deep);
  line-height: 1.45;
}

.section-block {
  padding: 72px 0;
}

.alt-bg {
  background: linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0));
}

.deep-bg {
  background: linear-gradient(135deg, rgba(91, 53, 34, 0.92), rgba(79, 109, 79, 0.92));
  color: rgba(255,255,255,0.92);
}

.two-col-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) 0.88fr;
  gap: 24px;
}

.section-plate {
  padding: 34px;
  border-radius: 30px;
}

.section-plate h2,
.title-row h2,
.news-copy h2,
.banner-shell h2 {
  font-size: 36px;
  line-height: 1.22;
  margin-bottom: 10px;
}

.section-plate > p,
.title-row p,
.news-copy p,
.banner-shell p {
  color: var(--muted);
}

.deep-bg .news-copy p {
  color: rgba(255,255,255,0.72);
}

.process-list {
  margin-top: 26px;
  display: grid;
  gap: 18px;
}

.process-list article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.58);
  border: 1px solid rgba(122, 75, 50, 0.08);
}

.process-list span {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  color: #fff;
  font-weight: 700;
  font-size: 20px;
}

.process-list h3,
.soft-box h3,
.feature-card h3,
.equip-item h3,
.timeline-list h3,
.env-card h3,
.site-footer h3 {
  margin-bottom: 8px;
}

.bullet-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 22px;
}

.bullet-list li {
  position: relative;
  padding-left: 24px;
  color: #5b4d45;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.soft-box {
  padding: 20px 22px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(107, 138, 107, 0.08), rgba(255,255,255,0.56));
  border: 1px solid rgba(107, 138, 107, 0.14);
}

.soft-box p + p {
  margin-top: 12px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.tag-cloud span {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(122, 75, 50, 0.08);
  color: var(--primary-deep);
  font-size: 14px;
}

.title-row {
  margin-bottom: 26px;
}

.triple-grid,
.equip-layout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.env-card,
.equip-item {
  padding: 28px;
  border-radius: 26px;
}

.feature-card strong,
.env-mark,
.equip-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 18px;
}

.feature-card p,
.equip-item p,
.env-card p,
.timeline-list p,
.footer-grid p,
.footer-grid li {
  color: var(--muted);
}

.news-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.news-copy {
  position: sticky;
  top: 24px;
}

.timeline-list {
  display: grid;
  gap: 18px;
}

.timeline-list article {
  padding: 24px 26px;
  border-radius: 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}

.timeline-list time {
  display: inline-block;
  margin-bottom: 10px;
  color: rgba(255,255,255,0.7);
  font-weight: 700;
}

.timeline-list p {
  color: rgba(255,255,255,0.8);
}

.banner-shell {
  padding: 34px 36px;
  border-radius: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.site-footer {
  width: min(var(--wrap), calc(100% - 32px));
  margin: 0 auto 26px;
  padding: 34px;
  border-radius: 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin-top: 16px;
}

.footer-links strong {
  width: 100%;
  color: var(--primary-deep);
}

.footer-links a {
  color: #5e5148;
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

@media (max-width: 1080px) {
  .hero-main,
  .two-col-layout,
  .news-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .notice-grid,
  .triple-grid,
  .equip-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .news-copy {
    position: static;
  }
}

@media (max-width: 780px) {
  .nav-row,
  .banner-shell {
    padding: 22px;
  }

  .hero-copy,
  .hero-panel,
  .section-plate,
  .feature-card,
  .equip-item,
  .env-card,
  .site-footer {
    padding: 24px;
  }

  .hero-points,
  .notice-grid,
  .triple-grid,
  .equip-layout {
    grid-template-columns: 1fr;
  }

  .process-list article,
  .info-card {
    grid-template-columns: 1fr;
  }

  .banner-shell {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-plate h2,
  .title-row h2,
  .news-copy h2,
  .banner-shell h2 {
    font-size: 28px;
  }

  .brand-block strong {
    font-size: 20px;
  }
}

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

  * {
    transition: none !important;
    animation: none !important;
  }
}