/* DAA Travel 全站样式：白底、森林绿主色、日出橘点缀，手机优先 */
:root {
  --green-900: #1c3527;
  --green-700: #2c5e40;
  --green-600: #367351;
  --green-100: #e9f2ec;
  --orange-600: #d9731a;
  --orange-500: #ec8f2f;
  --orange-100: #fdf0e2;
  --ink: #23302a;
  --muted: #5f6f66;
  --line: #e3e9e5;
  --sand: #f7f5f0;
  --bg: #ffffff;
  --radius: 14px;
  --shadow: 0 2px 14px rgba(28, 53, 39, 0.08);
  --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC',
    'Noto Sans CJK SC', -apple-system, 'Segoe UI', sans-serif;
}

/* 英文页面拉丁字体优先：中文字体渲染英文标点（如 apostrophe）会变全角宽度，间距很怪 */
html[lang='en'] {
  --font-sans: -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC',
    'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--green-700);
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 全站公告条：最近一场活动 */
.announce-bar {
  display: block;
  background: var(--green-900);
  color: #ffd9ae;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 9px 16px;
  line-height: 1.4;
}

/* 顶部导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 7px;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--green-900);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand svg {
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.site-nav a {
  color: var(--ink);
  font-weight: 500;
  white-space: nowrap;
}

.site-nav a.nav-cta {
  background: var(--green-700);
  color: #fff;
  padding: 6px 13px;
  border-radius: 999px;
  font-weight: 600;
}

.site-nav a.nav-account {
  color: var(--green-700);
  font-weight: 600;
}

/* 目前所在页面：橙色底线 + 深绿粗体，让人一眼知道自己在哪一页。
   用 aria-current 当选择器，样式和无障碍语意一次到位 */
.site-nav a[aria-current='page'] {
  color: var(--green-900);
  font-weight: 700;
  position: relative;
}

.site-nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -7px;
  height: 3px;
  border-radius: 999px;
  background: var(--orange-500);
}

.site-nav a.lang-toggle {
  border: 1px solid var(--line);
  color: var(--green-700);
  padding: 5px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.82rem;
}

/* 小屏幕导航塞不下四个项目（爬山、账户、联系、语言），只留 logo 图标腾位置 */
@media (max-width: 439px) {
  .site-nav {
    gap: 8px;
  }
  .brand span {
    display: none;
  }
}

@media (min-width: 768px) {
  .brand {
    font-size: 1.1rem;
    gap: 10px;
  }
  .site-nav {
    gap: 18px;
    font-size: 0.95rem;
  }
  .site-nav a.nav-cta {
    padding: 7px 16px;
  }
}

/* 按钮 */
.btn-wa {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 28px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-wa:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}

.btn-wa svg {
  flex-shrink: 0;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid var(--green-700);
  color: var(--green-700);
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 999px;
}

/* 悬浮 WhatsApp 按钮（手机） */
.wa-float {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 60;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22);
}

/* 页脚 */
.site-footer {
  background: var(--green-900);
  color: rgba(255, 255, 255, 0.85);
  margin-top: 72px;
  padding: 44px 0 90px;
}

.site-footer .foot-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.site-footer .foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 18px;
}

.site-footer .foot-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
}

.site-footer .foot-note {
  margin-top: 22px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

/* 通用区块 */
.section {
  padding: 52px 0 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-900);
  margin-bottom: 6px;
}

.section-sub {
  color: var(--muted);
  margin-bottom: 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange-600);
  text-transform: uppercase;
  margin-bottom: 10px;
}

@media (min-width: 768px) {
  .section {
    padding-top: 72px;
  }
  .section-title {
    font-size: 1.9rem;
  }
}

/* footer 的取消与退款政策连结 */
.foot-policy {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-right: 10px;
}