/* ===== 全局变量 & 重置 ===== */
:root {
  --blue: #1a5fa8;
  --dark-blue: #003f7a;
  --light-blue: #e8f2fc;
  --accent: #f0a500;
  --gold: #b8962e;
  --gold-bg: #9a7d2e;
  --text: #333;
  --text-light: #666;
  --border: #dde5f0;
  --white: #fff;
  --nav-h: 64px;
  --subnav-h: 44px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; }
body { font-family: "Source Han Sans CN", "Microsoft YaHei", "PingFang SC", Arial, sans-serif; color: var(--text); background: #f4f7fb; overflow-x: hidden; width: 100%; padding: 0 !important; margin: 0 !important; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* ===== 头部容器（悬浮在 banner 上） ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
}

/* ===== 主导航条 ===== */
/* 隐藏 HTML 里内联的 sub-menu，由 JS 动态注入二级条 */
.navbar__menu .sub-menu { display: none !important; }

.navbar {
  height: var(--nav-h);
  background: rgba(0, 42, 90, 0.82);
  display: flex; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.navbar__inner {
  max-width: 1600px; width: 100%;
  margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 0;
}
.navbar__logo { flex-shrink: 0; margin-right: 12px; }
.navbar__logo img {
  height: 40px;
  width: auto;
  display: block;
}

/* 主菜单 */
.navbar__menu {
  flex: 1; display: flex; align-items: center;
  justify-content: center; gap: 0;
}
.navbar__menu > li {
  position: relative;
}
.navbar__menu > li > a {
  display: block;
  padding: 0 18px;
  line-height: var(--nav-h);
  font-size: 17px;
  color: var(--white);
  white-space: nowrap;
  transition: color .2s;
  letter-spacing: .5px;
}
.navbar__menu > li > a:hover,
.navbar__menu > li.active > a {
  color: #f0d080;
}
.navbar__menu > li.active > a {
  border-bottom: 3px solid #f0d080;
}

/* 工具区 */
.navbar__tools {
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; margin-left: 12px;
  position: relative; z-index: 2147483647;
}
.search-box {
  display: flex; align-items: center;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: 20px;
  overflow: hidden; background: rgba(255,255,255,.1);
  height: 32px;
}
.search-input {
  background: none; border: none; outline: none;
  color: var(--white); font-size: 13px;
  padding: 0 10px; width: 130px;
}
.search-input::placeholder { color: rgba(255,255,255,.6); }
.btn-search {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.8); padding: 0 10px;
  display: flex; align-items: center;
}
.btn-search:hover { color: var(--white); }
.navbar__lang { font-size: 14px; color: rgba(255,255,255,.8); }
.navbar__lang a { padding: 0 2px; }
.navbar__lang a:hover { color: var(--white); }
.navbar__city {
  font-size: 14px; color: rgba(255,255,255,.8);
  border-left: 1px solid rgba(255,255,255,.3);
  padding-left: 10px;
}

/* ===== 语言切换下拉 ===== */
.lang-switcher {
  position: relative;
  z-index: 2147483647;
  display: none;
}
.lang-btn {
  display: flex; align-items: center; gap: 5px;
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,.85); font-size: 14px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background .2s;
  font-family: inherit;
}
.lang-btn:hover { background: rgba(255,255,255,.1); }
.lang-arrow {
  transition: transform .2s;
  flex-shrink: 0;
  color: rgba(255,255,255,.6);
}
.lang-btn[aria-expanded="true"] .lang-arrow { transform: rotate(180deg); }

.lang-dropdown {
  display: none;
  position: absolute; top: calc(100% + 10px); right: 0;
  background: rgba(0, 42, 90, 0.96);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 6px;
  min-width: 110px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  z-index: 9999;
}
.lang-dropdown.open { display: block; }
.lang-dropdown li { border-bottom: 1px solid rgba(255,255,255,.08); }
.lang-dropdown li:last-child { border-bottom: none; }
.lang-dropdown a {
  display: block;
  padding: 11px 20px;
  font-size: 14px; color: rgba(255,255,255,.8);
  transition: background .2s, color .2s;
  white-space: nowrap;
  letter-spacing: .5px;
}
.lang-dropdown a:hover { background: rgba(255,255,255,.1); color: var(--white); }
.lang-dropdown a.active {
  color: #f0d080;
  background: rgba(240,208,128,.08);
}

/* 隐藏 Google Translate 默认工具条 */
.goog-te-banner-frame,
.skiptranslate { display: none !important; }
body { top: 0 !important; }

/* 汉堡菜单（手机端） */
.hamburger {
  display: none; flex-direction: column;
  gap: 5px; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--white); border-radius: 2px;
  transition: .3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 二级菜单条（蓝色系，悬停展开） ===== */
.subnav-bar {
  height: 0; overflow: hidden;
  background: rgba(0, 55, 115, 0.90);
  transition: height .25s ease;
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.subnav-bar.open { height: var(--subnav-h); }
.subnav-bar__inner {
  max-width: 1600px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: center;
  height: 100%; gap: 4px;
}
.subnav-bar__inner a {
  display: block;
  padding: 0 20px;
  line-height: var(--subnav-h);
  font-size: 15px;
  color: rgba(255,255,255,.9);
  white-space: nowrap;
  transition: color .2s, background .2s;
  border-radius: 2px;
}
.subnav-bar__inner a:hover {
  color: var(--white);
  background: rgba(255,255,255,.12);
}

/* ===== Banner 轮播（Swiper fade，仿龙运城） ===== */
.banner { position: relative; overflow: hidden; width: 100vw; height: 100vh; min-height: 500px; background: #1a1a1a; margin: 0; padding: 0; left: 0; }
.banner-swiper { width: 100%; height: 100%; }
.banner-swiper .swiper-slide {
  position: relative;
  overflow: hidden;
}
.banner-swiper .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity .4s ease;
}
.banner-swiper .swiper-slide img.loaded { opacity: 1; }
.banner__content {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
  padding: 20px;
  z-index: 2;
}
.banner__title { font-size: 42px; font-weight: 700; letter-spacing: 6px; text-shadow: 0 2px 20px rgba(0,0,0,.6); display: inline-block; white-space: nowrap; max-width: 80vw; vertical-align: bottom; }
.banner__sub { font-size: 18px; margin-top: 16px; letter-spacing: 4px; text-shadow: 0 1px 12px rgba(0,0,0,.5); }

/* 轮播分页器（Swiper pagination） */
.banner .swiper-pagination { bottom: 30px; }
.banner .swiper-pagination-bullet {
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,.45); opacity: 1;
  border: 2px solid rgba(255,255,255,.6);
  transition: background .3s, transform .3s;
}
.banner .swiper-pagination-bullet-active {
  background: #fff; transform: scale(1.2);
}

/* 右侧快捷浮动工具栏 */
.sidebar-tool {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.95);
  border-radius: 8px 0 0 8px;
  box-shadow: -2px 0 12px rgba(0,0,0,.15);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.sidebar-tool__item {
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 14px; gap: 4px;
  border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .2s;
  font-size: 11px; color: var(--blue); white-space: nowrap;
}
.sidebar-tool__item:last-child { border-bottom: none; }
.sidebar-tool__item:hover { background: var(--light-blue); }
.sidebar-tool__item svg, .sidebar-tool__item .icon-txt { font-size: 20px; }

/* ===== 快捷入口栏（给 banner 后面的内容留正确空间） ===== */
.quick-nav {
  background: var(--white);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  padding: 0 20px;
  width: 100%;
}
.quick-nav__inner {
  max-width: 1600px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(6, 1fr);
}
.quick-nav__item {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 10px; cursor: pointer;
  border-right: 1px solid var(--border);
  transition: background .2s;
}
.quick-nav__item:last-child { border-right: none; }
.quick-nav__item:hover { background: var(--light-blue); }
.quick-nav__icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: var(--light-blue); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.quick-nav__icon svg { width: 24px; height: 24px; }
.quick-nav__text h4 { font-size: 13px; color: var(--dark-blue); font-weight: 600; white-space: nowrap; }
.quick-nav__text p { font-size: 10px; color: var(--text-light); margin-top: 2px; white-space: nowrap; }

/* ===== 主内容区 ===== */
.main-content { max-width: 1600px; margin: 24px auto; padding: 0 20px; }
.content-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* 卡片通用 */
.card {
  background: var(--white);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  align-self: start;
}
.card__header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--blue);
}
.card__header h3 { font-size: 16px; color: var(--dark-blue); font-weight: 700; }
.card__more { font-size: 12px; color: var(--blue); }
.card__more:hover { text-decoration: underline; }

/* 景区公告 */
.notice-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 0; border-bottom: 1px dashed var(--border);
  font-size: 13px;
}
.notice-list li:last-child { border-bottom: none; }
.notice-list a { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 8px; }
.notice-list a:hover { color: var(--blue); }
.notice-list span { color: var(--text-light); font-size: 12px; flex-shrink: 0; }

/* 精影活动 */
.activity-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 9px 0; border-bottom: 1px dashed var(--border);
  font-size: 13px;
}
.activity-list li:last-child { border-bottom: none; }
.activity-list a { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 8px; }
.activity-list a:hover { color: var(--blue); }
.activity-list span { color: var(--text-light); font-size: 12px; flex-shrink: 0; }

/* 景区新闻 */
.news-feature {
  display: flex; gap: 14px; margin-bottom: 14px;
}
.news-feature__img {
  width: 140px; height: 100px; flex-shrink: 0;
  border-radius: 6px; overflow: hidden; background: #c8d8ea;
  display: flex; align-items: center; justify-content: center;
  color: #8aabcc; font-size: 12px;
}
.news-feature__img img { width: 100%; height: 100%; object-fit: cover; }
.news-feature__info h4 { font-size: 14px; line-height: 1.5; color: var(--text); margin-bottom: 6px; }
.news-feature__info p { font-size: 12px; color: var(--text-light); line-height: 1.6; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }
.news-feature__date { font-size: 11px; color: var(--accent); margin-top: 6px; }

.news-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px dashed var(--border);
  font-size: 13px;
}
.news-list li:last-child { border-bottom: none; }
.news-list a { color: var(--text); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding-right: 8px; }
.news-list a:hover { color: var(--blue); }
.news-list span { color: var(--text-light); font-size: 12px; flex-shrink: 0; }

/* 景区天气 */
.weather-location { font-size: 12px; color: var(--text-light); display: flex; align-items: center; gap: 4px; }
.weather-main {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px solid var(--border);
}
.weather-temp { font-size: 48px; font-weight: 300; color: var(--dark-blue); line-height: 1; }
.weather-temp sup { font-size: 20px; vertical-align: super; }
.weather-desc { text-align: right; }
.weather-desc .w-status { font-size: 16px; color: var(--text); }
.weather-desc .w-aqi { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.weather-icon { font-size: 40px; }
.weather-details {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--border);
  text-align: center;
}
.weather-details .wd-item label { display: block; font-size: 11px; color: var(--text-light); }
.weather-details .wd-item span { font-size: 13px; color: var(--text); font-weight: 600; }
.weather-forecast { display: flex; justify-content: space-between; padding-top: 12px; }
.forecast-day { text-align: center; font-size: 11px; color: var(--text-light); }
.forecast-day .fd-date { display: block; margin-bottom: 4px; }
.forecast-day .fd-icon { font-size: 18px; }
.forecast-day .fd-temp { color: var(--text); font-size: 11px; margin-top: 2px; }

/* ===== 四季景色 ===== */
.seasons { max-width: 1600px; margin: 24px auto; padding: 0 20px; }
.seasons-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.season-card {
  position: relative; height: 220px; border-radius: 10px; overflow: hidden;
  cursor: pointer; display: block; text-decoration: none;
}
.season-card__bg {
  width: 100%; height: 100%;
  background-size: cover; background-position: center; background-repeat: no-repeat;
  transition: transform .4s;
}
.season-card:hover .season-card__bg { transform: scale(1.06); }
.season-card:nth-child(1) .season-card__bg { background: linear-gradient(160deg,#c8df8c 0%,#7ab040 60%,#3a7a1a 100%); }
.season-card:nth-child(2) .season-card__bg { background: linear-gradient(160deg,#8cd4df 0%,#2a9fc8 60%,#0a5f8c 100%); }
.season-card:nth-child(3) .season-card__bg { background: linear-gradient(160deg,#df8c2a 0%,#c84a1a 60%,#8c2a0a 100%); }
.season-card:nth-child(4) .season-card__bg { background: linear-gradient(160deg,#c8d8e8 0%,#8ab0cc 60%,#4a7a9c 100%); }
.season-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.55) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 16px;
}
.season-card__cn {
  font-size: 48px; font-weight: 700;
  line-height: 1; color: var(--white);
  text-shadow: 0 2px 8px rgba(0,0,0,.4);
}
.season-card:nth-child(1) .season-card__cn { color: #7ab040; }
.season-card:nth-child(2) .season-card__cn { color: #2a9fc8; }
.season-card:nth-child(3) .season-card__cn { color: var(--accent); }
.season-card:nth-child(4) .season-card__cn { color: #8ab0cc; }
.season-card__label { font-size: 11px; color: rgba(255,255,255,.7); margin-top: 2px; letter-spacing: 2px; }
.season-card__title { font-size: 15px; color: var(--white); margin-top: 6px; font-weight: 500; }
.season-card__arrow {
  position: absolute; right: 14px; bottom: 16px;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,.25); border: 1.5px solid rgba(255,255,255,.6);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 16px; line-height: 1;
}

/* ===== 页脚（仿龙运城深色风格） ===== */
.site-footer {
  background: #0a1f3a;
  color: rgba(255,255,255,.75);
  margin-top: 32px;
}

/* --- 主体区 --- */
.footer-main {
  padding: 48px 0 36px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-inner {
  max-width: 1600px; margin: 0 auto; padding: 0 40px;
  display: flex; align-items: flex-start;
  gap: 120px; justify-content: center;
}

/* 左侧两列导览 */
.footer-col { min-width: 100px; }
.footer-col__title {
  font-size: 15px; color: var(--white);
  margin-bottom: 18px; font-weight: 400;
  letter-spacing: 1px;
}
.footer-col__list li { margin-bottom: 10px; }
.footer-col__list a {
  font-size: 13px; color: rgba(255,255,255,.55);
  transition: color .2s;
}
.footer-col__list a:hover { color: var(--white); }

/* 中：承载量统计 */
.footer-stats {
  flex: none;
  display: flex; flex-direction: column; gap: 16px;
  padding: 0;
}
.footer-stat-row {
  display: flex; align-items: center; gap: 8px;
}
.footer-stat__label {
  font-size: 13px; color: rgba(255,255,255,.6);
  white-space: nowrap; min-width: 90px;
}
.footer-stat__unit {
  font-size: 13px; color: rgba(255,255,255,.6);
  margin-left: 4px;
}
.footer-stat__digits {
  display: flex; gap: 4px;
}
.footer-stat__digits .digit {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 34px;
  background: #0f2d52;
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 3px;
  font-size: 16px; font-weight: 600;
  color: var(--white);
  font-family: "Courier New", monospace;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}

/* 右1：联系电话 */
.footer-contact-info {
  display: flex; flex-direction: column; gap: 14px;
  padding: 0 30px;
}
.footer-contact-info p {
  font-size: 13px; color: rgba(255,255,255,.7);
  white-space: nowrap;
}
.contact-label { color: rgba(255,255,255,.45); }

/* 右2：关注我们（二维码） */
.footer-follow { text-align: center; }
.footer-qrcodes {
  display: flex; gap: 14px; margin-top: 4px;
}
.qrcode-box {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.qrcode-img {
  width: 80px; height: 80px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 4px; overflow: hidden;
  background: #0f2d52;
  display: flex; align-items: center; justify-content: center;
}
.qrcode-img img { width: 100%; height: 100%; object-fit: cover; }
.qrcode-label { font-size: 11px; color: rgba(255,255,255,.45); }

/* --- 友情链接 --- */
.footer-links-bar {
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding: 16px 0;
}
.footer-links-inner {
  max-width: 1600px; margin: 0 auto; padding: 0 40px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 0;
  justify-content: center;
}
.footer-links-title {
  font-size: 13px; color: rgba(255,255,255,.5);
  white-space: nowrap; margin-right: 4px;
}
.footer-links-inner a {
  font-size: 13px; color: rgba(255,255,255,.55);
  padding: 0 12px;
  border-right: 1px solid rgba(255,255,255,.2);
  transition: color .2s;
  white-space: nowrap;
}
.footer-links-inner a:last-child { border-right: none; }
.footer-links-inner a:hover { color: var(--white); }

/* --- 版权栏 --- */
.footer-copyright {
  text-align: center;
  padding: 18px 20px;
}
.copyright-company {
  font-size: 13px; color: rgba(255,255,255,.5);
  margin-bottom: 8px;
}
.copyright-info {
  font-size: 12px; color: rgba(255,255,255,.35);
  display: flex; align-items: center; justify-content: center; gap: 12px;
  flex-wrap: wrap;
}
.copyright-info a { color: rgba(255,255,255,.35); transition: color .2s; }
.copyright-info a:hover { color: rgba(255,255,255,.7); }
.copyright-info .sep { color: rgba(255,255,255,.2); }
.beian-gongan {
  display: inline-flex; align-items: center; gap: 5px;
}
.beian-ghs-icon {
  display: inline-flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.65);
}

/* ===== 返回顶部按钮 ===== */
#back-top {
  position: fixed; right: 24px; bottom: 60px; z-index: 999;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--blue); color: var(--white);
  border: none; cursor: pointer; font-size: 18px;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
  display: none; align-items: center; justify-content: center;
  transition: background .2s;
}
#back-top:hover { background: var(--dark-blue); }
#back-top.show { display: flex; }

/* ===== 响应式：900px ===== */
@media (max-width: 900px) {
  .content-grid { grid-template-columns: 1fr 1fr; }
  .weather-section { grid-column: auto; }
  .activity-card { grid-column: auto; }
  .footer-inner { flex-wrap: wrap; gap: 30px; }
  .footer-stats { padding: 0; }
  .quick-nav { padding: 0 15px; }
  .quick-nav__inner { grid-template-columns: repeat(3,1fr); }
  .quick-nav__item { border-right: none; border-bottom: 1px solid var(--border); }
  .seasons-grid { grid-template-columns: repeat(2,1fr); }
  .banner__title { font-size: 40px; }
  .sidebar-tool { display: none; }
  .navbar__menu > li > a { padding: 0 12px; font-size: 15px; }
  .search-box { display: none; }
}

@media (max-width: 768px) {
  .navbar__menu { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: rgba(0,0,0,.88); padding: 6px 0; z-index: 999; }
  .navbar__menu.open { display: flex; }
  .navbar__menu > li > a { padding: 12px 24px; line-height: 1.6; border-bottom: none; border-left: 3px solid transparent; font-size: 16px; }
  .navbar__menu > li.active > a, .navbar__menu > li > a:hover { border-left-color: #f0d080; border-bottom: none; background: rgba(255,255,255,.05); }
  .hamburger { display: flex; }
  .subnav-bar { display: none; }
  /* 手机端导航：logo左，汉堡菜单右 */
  .navbar__inner { justify-content: space-between; padding: 0 15px; }
  .navbar__menu { order: 3; }
  .navbar__tools { display: none; }
  .hamburger { order: 2; }
  .navbar__logo { order: 1; margin-right: 0; }
  /* 手机端Banner：按宽度比例缩小，图片完整显示 */
  .banner { height: 47vw; min-height: 200px; }
  .banner-swiper .swiper-slide img { object-fit: contain; background: #fff; }
  .banner__content { padding: 10px; }
  .banner__title { font-size: 22px; letter-spacing: 3px; }
  .banner__sub { font-size: 13px; letter-spacing: 2px; margin-top: 8px; }
  /* 手机端主内容区居中 */
  .main-content { padding: 0 15px; }
  .card { margin: 0; }
}

@media (max-width: 600px) {
  .content-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; padding: 0 15px; }
  .footer-stats { max-width: 100%; }
  .banner { height: 47vw; min-height: 200px; }
  .banner__title { font-size: 20px; letter-spacing: 2px; }
  .banner__sub { font-size: 12px; }
  .quick-nav { padding: 0 15px; }
  .quick-nav__inner { grid-template-columns: repeat(3,1fr); }
  .news-feature { flex-direction: column; }
  .news-feature__img { width: 100%; height: 160px; }
  .seasons { padding: 0 15px; }
  .footer-links-inner { padding: 0 15px; }
  /* 手机版内容居中，左右留白 */
  .main-content { max-width: 640px; margin: 24px auto; padding: 0 20px; }
  .card { max-width: 100%; margin: 0 auto; }
  .quick-nav { max-width: 640px; margin: 0 auto; }
  .seasons { max-width: 640px; margin: 24px auto; }
}

@media (max-width: 480px) {
  .seasons-grid { grid-template-columns: repeat(2,1fr); }
  .season-card { height: 160px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .quick-nav__text p { display: none; }
}

/* ===== 四季景色查看器（PhotoSwipe 自定义 UI） ===== */
.pswp__bg { background: #000 !important; }
.pswp__caption { display: none !important; }
.pswp__button--arrow--left,
.pswp__button--arrow--right { z-index: 1006 !important; opacity: 1 !important; }
.pswp__top-bar { z-index: 1006 !important; }

.sv-seasons {
  position: absolute; bottom: 70px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 6px; z-index: 1007;
  padding: 8px 0; background: rgba(0,0,0,.6);
}
.sv-season-tab {
  padding: 6px 18px; border: 1.5px solid rgba(255,255,255,.5);
  border-radius: 20px; background: rgba(0,0,0,.5);
  color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: all .25s; letter-spacing: 2px;
}
.sv-season-tab:hover:not(.disabled) {
  border-color: var(--tab-color, #fff);
  color: var(--tab-color, #fff);
  background: rgba(255,255,255,.15);
}
.sv-season-tab.active {
  border-color: var(--tab-color, #fff);
  background: var(--tab-color, #fff);
  color: #000;
}
.sv-season-tab.disabled {
  opacity: .3; cursor: not-allowed;
}

.sv-thumbs {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 70px; background: rgba(0,0,0,.75);
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 6px 12px; overflow-x: auto; overflow-y: hidden;
  z-index: 1007; scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}
.sv-thumbs::-webkit-scrollbar { height: 4px; }
.sv-thumbs::-webkit-scrollbar-track { background: rgba(255,255,255,.1); border-radius: 2px; }
.sv-thumbs::-webkit-scrollbar-thumb { background: rgba(255,255,255,.3); border-radius: 2px; }

.sv-thumb {
  flex-shrink: 0; width: 90px; height: 56px;
  border-radius: 4px; background-size: cover; background-position: center;
  border: 2px solid transparent; cursor: pointer;
  transition: border-color .2s, transform .2s; opacity: .6;
}
.sv-thumb:hover { opacity: .85; transform: scale(1.05); }
.sv-thumb.active {
  border-color: #fff; opacity: 1; transform: scale(1.08);
}

/* ===== 图片切换随机动画 ===== */
.sv-anim-fadeIn { animation: svFadeIn .4s ease-out both; }
.sv-anim-slideLeft { animation: svSlideLeft .4s ease-out both; }
.sv-anim-slideRight { animation: svSlideRight .4s ease-out both; }
.sv-anim-slideUp { animation: svSlideUp .4s ease-out both; }
.sv-anim-slideDown { animation: svSlideDown .4s ease-out both; }
.sv-anim-zoomIn { animation: svZoomIn .4s ease-out both; }
.sv-anim-rotateIn { animation: svRotateIn .4s ease-out both; }

@keyframes svFadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes svSlideLeft { from { transform: translateX(60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes svSlideRight { from { transform: translateX(-60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes svSlideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes svSlideDown { from { transform: translateY(-40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes svZoomIn { from { transform: scale(.85); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes svRotateIn { from { transform: rotate(-3deg) scale(.9); opacity: 0; } to { transform: rotate(0) scale(1); opacity: 1; } }