/* ========== 基础重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f7f5f2;
  color: #333;
  line-height: 1.6;
}
img { display: block; width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

:root {
  --gold: #b8915a;
  --gold-dark: #9a7743;
  --ink: #2b2b2b;
  --gray: #8a8a8a;
  --bg: #f7f5f2;
  --card: #ffffff;
}

/* ========== 顶部导航 ========== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(20, 20, 20, .55);
  backdrop-filter: blur(8px);
  transition: background .3s;
}
.header.scrolled { background: rgba(20, 20, 20, .92); }
.header-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
}
.logo { color: #fff; font-size: 18px; font-weight: 600; letter-spacing: 1px; }
.logo-icon { color: var(--gold); }

.nav-toggle { display: flex; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span {
  width: 22px; height: 2px; background: #fff; border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav {
  position: absolute; top: 100%; left: 0; right: 0;
  background: rgba(20, 20, 20, .96);
  display: none; flex-direction: column;
  padding: 8px 0;
}
.nav.open { display: flex; }
.nav a {
  color: #eee; padding: 12px 20px; font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav a:active { background: rgba(184,145,90,.25); color: var(--gold); }

/* ========== Banner 轮播 ========== */
.banner { padding-top: 0; }
.swiper { position: relative; overflow: hidden; }
.swiper-track { display: flex; transition: transform .5s ease; }
.swiper-slide { position: relative; flex: 0 0 100%; }
.swiper-slide img { height: 62vw; max-height: 520px; min-height: 260px; object-fit: cover; }
.slide-caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 40px 20px 28px;
  background: linear-gradient(transparent, rgba(0,0,0,.65));
  color: #fff;
}
.slide-caption h2 { font-size: 22px; font-weight: 600; letter-spacing: 2px; }
.slide-caption p { font-size: 13px; opacity: .85; margin-top: 4px; }
.swiper-dots {
  position: absolute; bottom: 12px; right: 16px;
  display: flex; gap: 8px; z-index: 2;
}
.swiper-dots .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.4); transition: all .3s;
}
.swiper-dots .dot.active { background: var(--gold); width: 20px; border-radius: 4px; }

/* ========== 通用标题 ========== */
.section-head { text-align: center; padding: 44px 16px 20px; }
.section-head h3 {
  font-size: 22px; letter-spacing: 4px; color: var(--ink);
  position: relative; display: inline-block; padding-bottom: 10px;
}
.section-head h3::after {
  content: ""; position: absolute; left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 36px; height: 3px; background: var(--gold); border-radius: 2px;
}
.section-head p { font-size: 11px; letter-spacing: 3px; color: var(--gray); margin-top: 6px; }
.section-head.light h3 { color: #fff; }

/* ========== 客房展示 ========== */
.room-tabs {
  display: flex; gap: 10px; overflow-x: auto;
  padding: 6px 16px 14px; white-space: nowrap;
  scrollbar-width: none;
}
.room-tabs::-webkit-scrollbar { display: none; }
.tab {
  flex: 0 0 auto; padding: 7px 16px; font-size: 13px;
  border: 1px solid #ddd; border-radius: 20px; color: #666;
  background: #fff; transition: all .25s;
}
.tab.active { background: var(--gold); border-color: var(--gold); color: #fff; }

.room-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 16px; padding: 4px 16px 20px;
  max-width: 1200px; margin: 0 auto;
}
.room-card {
  background: var(--card); border-radius: 12px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  transition: transform .3s, box-shadow .3s;
}
.room-card.hide { display: none; }
.room-card:active { transform: scale(.98); }
.room-img { height: 200px; overflow: hidden; }
.room-img img { height: 100%; object-fit: cover; transition: transform .5s; }
.room-card:active .room-img img { transform: scale(1.05); }
.room-info { padding: 14px 16px 16px; }
.room-info h4 { font-size: 17px; color: var(--ink); }
.room-desc { font-size: 13px; color: var(--gray); margin: 6px 0 12px; }
.room-foot {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px dashed #eee; padding-top: 12px;
}
.price { font-size: 12px; color: var(--gray); }
.price b { font-size: 20px; color: #c0392b; font-weight: 700; margin: 0 2px; }
.btn-detail {
  font-size: 13px; color: var(--gold); border: 1px solid var(--gold);
  padding: 5px 14px; border-radius: 16px;
}

/* ========== 新闻列表 ========== */
.news-list { list-style: none; max-width: 900px; margin: 0 auto; padding: 0 16px 24px; }
.news-item {
  background: #fff; border-radius: 10px; margin-bottom: 12px;
  padding: 14px 16px; display: flex; flex-direction: column; gap: 4px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}
.news-date { font-size: 12px; color: var(--gold); }
.news-item a { font-size: 15px; color: var(--ink); }

/* ========== 页脚 ========== */
.footer { background: #1e1c1a; color: #ccc; margin-top: 24px; }
.contact-grid {
  max-width: 900px; margin: 0 auto; padding: 0 16px 8px;
  display: grid; grid-template-columns: 1fr; gap: 12px;
}
.contact-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px; background: rgba(255,255,255,.05);
  border-radius: 10px; font-size: 14px;
}
.c-label { color: var(--gold); }
.copyright { text-align: center; font-size: 12px; color: #777; padding: 20px 16px 28px; }

/* ========== 平板 & 桌面适配 ========== */
@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .nav {
    position: static; display: flex; flex-direction: row;
    background: none; padding: 0; gap: 28px;
  }
  .nav a { padding: 4px 0; border: none; font-size: 15px; position: relative; }
  .nav a::after {
    content: ""; position: absolute; left: 0; bottom: -4px;
    width: 0; height: 2px; background: var(--gold); transition: width .3s;
  }
  .nav a:hover::after { width: 100%; }
  .slide-caption { padding-left: 8%; }
  .slide-caption h2 { font-size: 34px; }
  .slide-caption p { font-size: 16px; }
  .room-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .room-card:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(0,0,0,.1); }
  .room-card:hover .room-img img { transform: scale(1.06); }
  .room-img { height: 230px; }
  .news-item { flex-direction: row; align-items: center; gap: 16px; }
  .news-date { flex: 0 0 110px; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-item { flex-direction: column; align-items: flex-start; gap: 6px; }
}
@media (min-width: 1024px) {
  .room-grid { grid-template-columns: repeat(4, 1fr); }
  .room-img { height: 200px; }
  .swiper-slide img { height: 480px; }
}