* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #F7F6F2;
  color: #2F2D2A;
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  height: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  background: #FFFFFF;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(92,73,50,0.10);
}

.header-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 76px;
}

.logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}

.logo img,
.drawer-logo img,
.footer-logo img {
  max-height: 52px;
  width: auto;
  display: block;
}

.desktop-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}

.desktop-nav > a,
.dropdown-head {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 10px;
  color: #3D352B;
  font-size: 15px;
  white-space: nowrap;
  transition: color .2s ease;
}

.desktop-nav > a:hover,
.dropdown-head:hover,
.desktop-nav > a.active,
.dropdown-head.active {
  color: #B99563;
}

.desktop-nav > a.active::after,
.dropdown-head.active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 5px;
  height: 2px;
  border-radius: 8px;
  background: #B99563;
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 178px;
  padding: 10px;
  border-radius: 16px;
  background: #FFFFFF;
  box-shadow: 0 16px 34px rgba(92,73,50,0.14);
  border: 1px solid rgba(185,149,99,0.14);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity .18s ease, transform .18s ease;
  z-index: 1300;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 9px 12px;
  border-radius: 10px;
  color: #3D352B;
  font-size: 14px;
}

.dropdown-menu a:hover {
  background: #FAF8F4;
  color: #B99563;
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 24px;
  border-radius: 999px;
  background: linear-gradient(180deg, #E0C8A2 0%, #C9A978 55%, #A98152 100%);
  color: #FFFFFF;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(169,129,82,0.24);
  transition: transform .18s ease, box-shadow .18s ease;
}

.main-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(169,129,82,0.28);
}

.header-btn {
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 8px;
  flex: 0 0 auto;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  border-radius: 10px;
  background: #3D352B;
}

.page-main {
  padding-top: 92px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 18px;
}

.hero-section {
  max-width: 1200px;
  margin: 28px auto 36px;
  border-radius: 22px;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 18px 40px rgba(92,73,50,0.12);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 20px;
  align-items: center;
  padding: 42px;
}

.hero-copy h1,
.page-hero h1 {
  margin: 0 0 18px;
  color: #B99563;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.16;
  letter-spacing: .5px;
}

.hero-copy p,
.page-hero p,
.section-lead {
  color: #6B6256;
  font-size: 17px;
  margin: 0 0 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.text-link {
  color: #B99563;
  font-weight: 700;
}

.hero-media,
.media-frame {
  border-radius: 20px;
  background: #FAF8F4;
  border: 1px solid rgba(185,149,99,0.16);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-media img,
.media-frame img {
  width: 100%;
  height: auto;
  max-height: 390px;
  object-fit: contain;
  display: block;
}

.section {
  padding: 38px 0;
}

.section.alt {
  background: #F3EFE8;
}

.section-header {
  max-width: 850px;
  margin: 0 0 24px;
}

.section-title,
h1,
h2,
h3 {
  color: #B99563;
}

.section-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.25;
}

.section-subtitle {
  color: #6B6256;
  margin: 0;
  font-size: 16px;
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

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

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(185,149,99,0.18);
  box-shadow: 0 14px 36px rgba(92,73,50,0.12);
  border-radius: 20px;
}

.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.step-card {
  padding: 22px;
}

.card h3,
.zone-card h3,
.info-card h3,
.step-card h3 {
  margin: 0 0 10px;
  font-size: 21px;
}

.card p,
.zone-card p,
.info-card p,
.step-card p,
.faq-item p,
.review-card p {
  margin: 0;
  color: #6B6256;
}

.card .text-link,
.zone-card .text-link {
  display: inline-flex;
  margin-top: 14px;
}

.zone-card .media-frame,
.info-card .media-frame {
  margin: -6px -6px 16px;
}

.zone-card .media-frame img,
.info-card .media-frame img {
  max-height: 230px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  color: #D2B17D;
  background: #FAF8F4;
  border: 1px solid rgba(210,177,125,0.24);
  font-weight: 700;
  font-size: 13px;
}

.highlight {
  color: #B99563;
  font-weight: 700;
}

.number-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FAF8F4;
  color: #D2B17D;
  border: 1px solid rgba(210,177,125,0.28);
  font-weight: 800;
  margin-bottom: 12px;
}

.page-hero {
  max-width: 1200px;
  margin: 28px auto 30px;
  padding: 38px 42px;
  border-radius: 22px;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 18px 40px rgba(92,73,50,0.12);
}

.page-hero .crumb {
  color: #8E8579;
  font-size: 14px;
  margin-bottom: 8px;
}

.content-split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 26px;
  align-items: center;
}

.text-block p {
  color: #6B6256;
  margin: 0 0 14px;
}

.text-block p:last-child {
  margin-bottom: 0;
}

.feature-list {
  display: grid;
  gap: 14px;
}

.feature-list li {
  list-style: none;
  padding: 14px 16px;
  border-radius: 16px;
  background: #FAF8F4;
  border: 1px solid rgba(185,149,99,0.15);
  color: #6B6256;
}

.feature-list,
.clean-list {
  padding: 0;
  margin: 0;
}

.clean-list li {
  list-style: none;
  color: #6B6256;
  margin: 0 0 10px;
  padding-left: 18px;
  position: relative;
}

.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #D2B17D;
}

.review-card strong {
  display: block;
  color: #B99563;
  margin-bottom: 8px;
}

.notice-panel {
  padding: 24px;
  border-radius: 20px;
  background: #EFE8DD;
  border: 1px solid rgba(185,149,99,0.2);
  color: #6B6256;
}

.notice-panel h2,
.notice-panel h3 {
  margin-top: 0;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.site-footer {
  margin-top: 52px;
  background: #2F2A24;
  color: #F7F0E6;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 46px 18px 30px;
  display: grid;
  grid-template-columns: 1.5fr .8fr .8fr 1fr;
  gap: 28px;
}

.footer-brand p,
.footer-contact p,
.footer-note {
  color: rgba(247,240,230,0.76);
  margin: 12px 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links h3,
.footer-contact h3 {
  margin: 0 0 10px;
  color: #F7F0E6;
}

.footer-links a {
  color: rgba(247,240,230,0.76);
}

.footer-links a:hover {
  color: #E0C8A2;
}

.footer-bottom {
  border-top: 1px solid rgba(247,240,230,0.12);
  text-align: center;
  padding: 16px;
  color: rgba(247,240,230,0.64);
}

.drawer-mask {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.42);
  z-index: 1400;
  opacity: 0;
  pointer-events: none;
  transition: opacity .24s ease;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: min(84vw, 320px);
  height: 100vh;
  background: #FFFFFF;
  z-index: 1500;
  transform: translateX(-105%);
  transition: transform .28s ease;
  box-shadow: 12px 0 30px rgba(0,0,0,0.18);
  overflow-y: auto;
}

.drawer-open .drawer-mask {
  opacity: 1;
  pointer-events: auto;
}

.drawer-open .mobile-drawer {
  transform: translateX(0);
}

.drawer-open {
  overflow: hidden;
}

.drawer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(185,149,99,0.16);
  background: #F3EFE8;
}

.drawer-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: #FFFFFF;
  color: #3D352B;
  font-size: 28px;
  line-height: 1;
}

.drawer-nav {
  padding: 12px;
  display: grid;
  gap: 6px;
}

.drawer-nav a {
  padding: 12px 14px;
  border-radius: 12px;
  color: #3D352B;
  background: #FAF8F4;
}

.drawer-nav a:hover {
  color: #B99563;
  background: #F3EFE8;
}

@media (max-width: 1100px) {
  .desktop-nav > a,
  .dropdown-head {
    padding-left: 7px;
    padding-right: 7px;
    font-size: 14px;
  }

  .header-inner {
    gap: 12px;
  }
}

@media (max-width: 900px) {
  .header-inner {
    justify-content: space-between;
    min-height: 68px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .logo img {
    max-height: 44px;
  }

  .header-btn {
    padding: 8px 18px;
    min-height: 38px;
  }

  .page-main {
    padding-top: 78px;
  }

  .hero-grid,
  .content-split {
    grid-template-columns: 1fr;
    padding: 26px;
  }

  .page-hero {
    padding: 28px 24px;
  }

  .grid.four,
  .grid.three,
  .grid.two {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 14px;
  }

  .header-inner {
    padding: 10px 12px;
  }

  .hero-section,
  .page-hero {
    margin-top: 18px;
    border-radius: 18px;
  }

  .hero-grid {
    padding: 22px;
  }

  .hero-copy p,
  .page-hero p,
  .section-lead {
    font-size: 15px;
  }

  .card,
  .zone-card,
  .info-card,
  .review-card,
  .faq-item,
  .step-card {
    padding: 18px;
  }

  .main-btn {
    padding: 9px 18px;
  }
}
