/* ============================================================
 * 网邦网络营销 - 全球城市网络营销平台
 * 简洁 / 干净 / 国际范 / 未来感
 * slogan: 中国的，世界的，网邦网络营销！
 * ============================================================ */

:root {
  --mxy-ink: #1a2332;
  --mxy-ink-soft: #5b6675;
  --mxy-primary: #2563eb;
  --mxy-primary-soft: #3b82f6;
  --mxy-accent: #06b6d4;
  --mxy-gold: #f59e0b;
  --mxy-bg: #f7faff;
  --mxy-line: #e6ecf5;
  --mxy-sky: #c3d4ea;
  --mxy-radius: 20px;
}

* { scroll-behavior: smooth; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Inter", "Helvetica Neue", Arial, sans-serif;
  color: var(--mxy-ink);
  background:
    radial-gradient(ellipse at 20% 0%, rgba(59, 130, 246, .08) 0, transparent 50%),
    radial-gradient(ellipse at 80% 10%, rgba(6, 182, 212, .07) 0, transparent 50%),
    linear-gradient(180deg, #fff 0%, var(--mxy-bg) 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  margin: 0;
  min-height: 100vh;
}
a { transition: color .15s ease, opacity .15s ease; }
button { font-family: inherit; }

/* ============================================================
 * 世界城市建筑简图背景（固定底部）
 * ============================================================ */
.skyline {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  height: 220px;
  pointer-events: none;
  z-index: 0;
  color: var(--mxy-sky);
  opacity: .35;
}
.skyline svg { width: 100%; height: 100%; display: block; }

/* ============================================================
 * 平台头部（极简、玻璃拟态）
 * ============================================================ */
.platform { position: relative; z-index: 1; }
.platform-head {
  padding: 2.2rem 0 1.6rem;
  text-align: center;
}
.platform-head .container { max-width: 1400px !important; }

.ph-top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: .8rem;
  margin-bottom: 2.4rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--mxy-ink); text-decoration: none;
  font-size: 1.2rem; font-weight: 700; letter-spacing: .5px;
}
.brand .bi { font-size: 1.45rem; color: var(--mxy-primary); }
.brand h1 { font-size: inherit; font-weight: inherit; margin: 0; padding: 0; line-height: inherit; letter-spacing: inherit; color: inherit; display: inline; }
.brand a { color: inherit; text-decoration: none; }
.brand-logo { height: 16px; width: auto; display: inline-block; vertical-align: middle; }
.brand-slogan { font-size: .92rem; color: var(--mxy-ink-soft); letter-spacing: 1px; }
.brand-slogan strong { color: var(--mxy-primary); font-weight: 700; }
.current-city {
  font-size: .88rem; color: var(--mxy-ink-soft);
  background: rgba(255,255,255,.7); border: 1px solid var(--mxy-line);
  padding: .32rem .8rem; border-radius: 50rem;
  display: inline-flex; align-items: center; gap: .25rem;
}
.current-city .bi { color: var(--mxy-primary); font-size: .85rem; }
.current-city a { color: var(--mxy-ink); font-weight: 600; text-decoration: none; }
.current-city a:hover { color: var(--mxy-primary); text-decoration: underline; }

.ph-title {
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 800; line-height: 1.15; letter-spacing: 2px;
  margin: 0 0 .7rem;
  background: linear-gradient(120deg, var(--mxy-ink) 0%, var(--mxy-primary) 60%, var(--mxy-accent) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.ph-sub {
  font-size: clamp(.95rem, 1.4vw, 1.1rem);
  color: var(--mxy-ink-soft); margin: 0 auto 2rem; max-width: 520px;
  letter-spacing: .5px;
}

/* 搜索框（玻璃拟态 / 未来感） */
.ph-search {
  position: relative; max-width: 680px; margin: 0 auto;
  display: flex; align-items: center;
}
.ph-search > .bi-search {
  position: absolute; left: 1.2rem; color: var(--mxy-ink-soft); font-size: 1.1rem;
  pointer-events: none; z-index: 2;
}
.ph-search-input {
  width: 100%;
  padding: 1.05rem 3rem 1.05rem 3rem;
  border: 1px solid rgba(255, 255, 255, .8);
  border-radius: 50rem;
  font-size: 1.02rem;
  color: var(--mxy-ink);
  background: rgba(255, 255, 255, .75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px rgba(37, 99, 235, .12), 0 2px 8px rgba(26, 35, 50, .04);
  outline: none;
  transition: all .22s ease;
}
.ph-search-input::placeholder { color: #9aa6b5; }
.ph-search-input:focus {
  border-color: var(--mxy-primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, .14), 0 14px 44px rgba(37, 99, 235, .18);
  background: rgba(255, 255, 255, .92);
}
.ph-search-clear {
  position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: #b4bfcd; cursor: pointer; font-size: 1.1rem;
  display: none; padding: 0; z-index: 2;
}
.ph-search-clear:hover { color: var(--mxy-primary); }

.ph-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 3rem; margin-top: 1.8rem; }
.ph-stat { font-size: .88rem; color: var(--mxy-ink-soft); letter-spacing: 1px; }
.ph-stat strong {
  font-size: 1.5rem; font-weight: 800; color: var(--mxy-primary);
  margin-right: .25rem;
}

/* ============================================================
 * 城市目录（干净卡片）
 * ============================================================ */
.city-directory { padding: 2rem 0 2rem; }
.directory-list { max-width: 1400px; margin: 0 auto; }

/* SEO静态文本区：对搜索引擎友好，视觉上低调但可读 */
.seo-directory { padding: 1rem 0 3rem; border-top: 1px solid var(--mxy-line, #e5e7eb); }
.seo-summary {
  max-width: 1400px; margin: 0 auto;
  color: var(--mxy-ink-soft, #6b7280);
  font-size: .9rem; line-height: 1.9; text-align: justify;
}
.seo-summary strong { color: var(--mxy-ink, #1f2937); font-weight: 600; }
.seo-summary strong { display: inline; }

.dir-country {
  background: rgba(255, 255, 255, .7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(230, 236, 245, .9);
  border-radius: var(--mxy-radius);
  padding: 1.35rem 1.6rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 24px rgba(26, 35, 50, .05);
  transition: all .22s ease;
}
/* SEO静态目录：与JS渲染目录样式一致，但作为主显示 */
.seo-dir-grid {
  max-width: 1400px; margin: 0 auto;
  display: grid; gap: 1rem;
}
.seo-dir-country {
  background: #fff; border: 1px solid var(--mxy-line);
  border-radius: 16px; padding: 1.1rem 1.2rem;
  margin-bottom: .6rem;
  box-shadow: 0 4px 24px rgba(26, 35, 50, .05);
  transition: all .22s ease;
}
.seo-dir-country:hover {
  box-shadow: 0 12px 36px rgba(37, 99, 235, .1);
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, .3);
}
.seo-dir-country-head {
  display: flex; align-items: center; gap: .7rem;
  padding-bottom: 1rem; margin-bottom: 1rem;
  border-bottom: 1px solid var(--mxy-line);
}
.seo-dir-cities { display: flex; flex-wrap: wrap; gap: .5rem; }

/* JS渲染的目录隐藏（由SEO静态版本替代） */
.directory-list { display: none; }
.dc-flag { font-size: 1.9rem; line-height: 1; filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .12)); }
.dc-name { font-size: 1.3rem; font-weight: 800; letter-spacing: 1px; color: var(--mxy-ink); text-decoration: none; }
.dc-name:hover { color: var(--mxy-primary); text-decoration: underline; }
.dc-en { font-size: .8rem; color: #9aa6b5; font-weight: 500; text-decoration: none; }
.dc-en:hover { color: var(--mxy-primary); text-decoration: underline; }
.dc-region {
  font-size: .74rem; font-weight: 600;
  background: rgba(6, 182, 212, .1); color: #0891b2;
  padding: .2rem .55rem; border-radius: 50rem;
}
.dc-code {
  font-size: .72rem; font-weight: 600;
  background: #f1f5f9; color: #64748b;
  padding: .18rem .5rem; border-radius: 6px;
  letter-spacing: .5px;
}
.dc-count {
  margin-left: auto;
  font-size: .74rem; font-weight: 600;
  background: rgba(37, 99, 235, .1); color: var(--mxy-primary);
  padding: .25rem .65rem; border-radius: 50rem; white-space: nowrap;
}

.dir-cities { display: flex; flex-wrap: wrap; gap: .5rem; }
.dir-item {
  display: inline-flex; align-items: center; gap: .35rem;
  background: #fff; color: var(--mxy-ink);
  border: 1px solid #e5e7eb; border-radius: 50rem;
  padding: .45rem .9rem; font-size: .88rem; font-weight: 500;
  transition: all .18s ease;
}
.dir-item .bi { color: var(--mxy-primary-soft); font-size: .82rem; }
.dc-city-en { font-size: .72rem; opacity: .5; font-weight: 400; }
.dir-item:hover {
  border-color: var(--mxy-primary); color: var(--mxy-primary);
  background: linear-gradient(135deg, #eff6ff, #e0f2fe);
  transform: translateY(-1px); box-shadow: 0 6px 16px rgba(37, 99, 235, .18);
}
.dir-city { color: inherit; text-decoration: none; cursor: pointer; }
.dir-city:visited { color: inherit; }
.dir-city:hover { text-decoration: none; }

.directory-empty .bi { color: #c4ccd6; font-size: 2.6rem; }

/* ============================================================
 * 页脚（干净完整）
 * ============================================================ */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--mxy-line);
  padding: 1.8rem 0 2rem;
  position: relative;
  z-index: 1;
  color: var(--mxy-ink-soft);
  font-size: .9rem;
}
.site-footer .container { max-width: 1400px; }
.footer-links {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .3rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--mxy-line);
  margin-bottom: 1rem;
}
.fl-label { font-weight: 600; color: var(--mxy-ink); margin-right: .5rem; }
.footer-links a,
.footer-links .fl-text {
  color: var(--mxy-ink-soft); text-decoration: none;
  padding: .15rem .6rem; border-radius: 4px;
  transition: all .15s ease;
}
.footer-links a:hover { color: var(--mxy-primary); background: rgba(37, 99, 235, .06); }

.footer-desc {
  text-align: center; color: var(--mxy-ink-soft);
  line-height: 1.8; margin-bottom: .8rem;
}
.footer-desc a { color: var(--mxy-primary); text-decoration: none; }

.footer-copyright {
  text-align: center; color: var(--mxy-ink-soft);
  font-size: .85rem; margin-bottom: 1.4rem;
}

.footer-badges {
  display: flex; justify-content: center; gap: 2rem;
  flex-wrap: wrap;
}
.fb-item {
  display: flex; align-items: center; gap: .55rem;
  color: var(--mxy-ink-soft); font-size: .75rem; line-height: 1.3;
  text-align: left;
}
.fb-item img { flex-shrink: 0; border-radius: 6px; box-shadow: 0 1px 4px rgba(0,0,0,.06); }

/* ============================================================
 * 右侧浮动客服按钮
 * ============================================================ */
.float-service {
  position: fixed; right: 12px; bottom: 50%;
  display: flex; flex-direction: column; gap: 2px;
  z-index: 1040;
}
.fs-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: #fff;
  border: 1px solid var(--mxy-line);
  color: var(--mxy-ink-soft);
  cursor: pointer;
  transition: all .2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.fs-btn:hover {
  color: var(--mxy-primary);
  border-color: var(--mxy-primary);
  box-shadow: 0 4px 16px rgba(37, 99, 235, .2);
  transform: translateX(-2px);
}
.fs-btn .bi { font-size: 1.1rem; margin-bottom: 2px; }
.fs-btn span { font-size: .68rem; }
.fs-btn--top .bi { font-size: 1.3rem; margin: 0; }
.fs-btn--top { display: none; }
.fs-btn--top.show { display: flex; }

/* ============================================================
 * 左下角留言按钮
 * ============================================================ */
.float-msg {
  position: fixed; left: 12px; bottom: 24px;
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: #fff;
  border: none;
  border-radius: 50rem;
  cursor: pointer;
  font-size: .88rem;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(37, 99, 235, .35);
  z-index: 1040;
  transition: all .2s ease;
}
.float-msg:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(37, 99, 235, .45);
}
.float-msg .bi { font-size: 1.1rem; }

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
  .platform-head { padding: 1.8rem 0 1.2rem; }
  .dir-country { padding: 1.1rem 1.2rem; }
  .dc-name { font-size: 1.15rem; }
  .skyline { height: 160px; }
  .footer-badges { gap: 1.2rem; }
  .fb-item { font-size: .7rem; }
  .float-service { right: 6px; }
  .fs-btn { width: 46px; height: 46px; }
  .float-msg { padding: 8px 12px; font-size: .82rem; }
}
@media (max-width: 575.98px) {
  .ph-top { flex-direction: column; align-items: center; gap: .5rem; margin-bottom: 1.6rem; }
  .brand { font-size: 1.05rem; }
  .brand-slogan { font-size: .85rem; }
  .ph-stats { gap: 1.1rem; margin-top: 1.4rem; }
  .ph-stat strong { font-size: 1.3rem; }
  .ph-search-input { padding: .9rem 2.8rem .9rem 2.8rem; font-size: .95rem; }
  .dir-country { padding: 1rem; margin-bottom: .8rem; }
  .dc-flag { font-size: 1.6rem; }
  .dc-name { font-size: 1.1rem; }
  .dc-region, .dc-code { display: none; }
  .dir-item { padding: .42rem .85rem; font-size: .85rem; }
  .skyline { height: 120px; opacity: .25; }
  .footer-links { font-size: .8rem; }
  .footer-links a { padding: .15rem .4rem; }
  .footer-badges { gap: .8rem; }
  .fb-item img { width: auto; height: 36px; }
  .fb-item span { font-size: .68rem; }
  .float-service { right: 4px; }
  .fs-btn { width: 42px; height: 42px; }
  .fs-btn .bi { font-size: .95rem; }
  .fs-btn span { font-size: .6rem; }
  .float-msg { left: 8px; bottom: 16px; padding: 7px 10px; font-size: .78rem; }
  .float-msg span { display: none; }
}