/* ============================================================
   环球系列 · 共用基础样式
   所有站点引用此文件，保持统一的视觉语言
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root {
  --bg: #f4f7fb;
  --bg-soft: #eaf0f8;
  --card: #ffffff;
  --card-border: rgba(15, 34, 66, 0.08);
  --text: #182338;
  --text-2: #4c5b73;
  --text-3: #8494ab;
  --primary: #2f6bff;
  --primary-2: #0fb5a6;
  --grad: linear-gradient(120deg, #2f6bff 0%, #22a8e0 55%, #0fb5a6 100%);
  --grad-soft: linear-gradient(135deg, #eaf1ff 0%, #e6f9f5 100%);
  --ring: rgba(47, 107, 255, 0.35);
  --hero-fade: linear-gradient(180deg, rgba(244, 247, 251, 0) 0%, var(--bg) 100%);

  --chip-bg: rgba(15, 34, 66, 0.05);
  --chip-border: rgba(15, 34, 66, 0.09);
  --chip-active-bg: #182338;
  --chip-active-text: #ffffff;

  --shadow: 0 1px 2px rgba(15, 34, 66, 0.05), 0 6px 20px -8px rgba(15, 34, 66, 0.12);
  --shadow-hover: 0 2px 4px rgba(15, 34, 66, 0.06), 0 14px 34px -10px rgba(15, 34, 66, 0.2);

  --c-callout: #fff7e8;
  --c-callout-border: rgba(217, 144, 42, 0.35);
}

[data-theme="dark"] {
  --bg: #0b111e;
  --bg-soft: #101a2c;
  --card: #131e33;
  --card-border: rgba(148, 178, 226, 0.12);
  --text: #e9eff9;
  --text-2: #a9b7cc;
  --text-3: #6d7d96;
  --primary: #5b8cff;
  --primary-2: #2cc7b5;
  --grad: linear-gradient(120deg, #3d72ff 0%, #2f9ede 55%, #16b3a2 100%);
  --grad-soft: linear-gradient(135deg, #14213c 0%, #102b33 100%);
  --ring: rgba(91, 140, 255, 0.45);
  --hero-fade: linear-gradient(180deg, rgba(11, 17, 30, 0) 0%, var(--bg) 100%);

  --chip-bg: rgba(148, 178, 226, 0.1);
  --chip-border: rgba(148, 178, 226, 0.14);
  --chip-active-bg: #e9eff9;
  --chip-active-text: #0b111e;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -10px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.35), 0 16px 36px -12px rgba(0, 0, 0, 0.6);

  --c-callout: rgba(238, 179, 92, 0.1);
  --c-callout-border: rgba(238, 179, 92, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b111e;
    --bg-soft: #101a2c;
    --card: #131e33;
    --card-border: rgba(148, 178, 226, 0.12);
    --text: #e9eff9;
    --text-2: #a9b7cc;
    --text-3: #6d7d96;
    --primary: #5b8cff;
    --primary-2: #2cc7b5;
    --grad: linear-gradient(120deg, #3d72ff 0%, #2f9ede 55%, #16b3a2 100%);
    --grad-soft: linear-gradient(135deg, #14213c 0%, #102b33 100%);
    --ring: rgba(91, 140, 255, 0.45);
    --hero-fade: linear-gradient(180deg, rgba(11, 17, 30, 0) 0%, var(--bg) 100%);

    --chip-bg: rgba(148, 178, 226, 0.1);
    --chip-border: rgba(148, 178, 226, 0.14);
    --chip-active-bg: #e9eff9;
    --chip-active-text: #0b111e;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px -10px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.35), 0 16px 36px -12px rgba(0, 0, 0, 0.6);

    --c-callout: rgba(238, 179, 92, 0.1);
    --c-callout-border: rgba(238, 179, 92, 0.35);
  }
}

/* ---------- 基础重置 ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "MiSans", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100dvh;
  transition: background-color 0.35s ease, color 0.35s ease;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--ring); }

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---------- 通用动画 ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes popIn {
  from { opacity: 0; transform: translateY(26px) scale(0.96); }
  to { opacity: 1; transform: none; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- 滚动渐入 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 通用卡片样式 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 18px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.3s, border-color 0.3s, background 0.35s;
  will-change: transform;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card:active { transform: translateY(-1px) scale(0.985); }

/* ---------- 通用标签 ---------- */
.tag {
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--text-2);
  border: 1px solid var(--chip-border);
}

/* ---------- 通用筛选 chips ---------- */
.chips {
  display: flex;
  gap: 9px;
  overflow-x: auto;
  padding: 2px 2px 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1),
    background 0.25s, color 0.25s, border-color 0.25s;
}
.chip:active { transform: scale(0.92); }
.chip.is-active {
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  border-color: transparent;
}

/* ---------- 通用搜索框 ---------- */
.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.25s, border-color 0.25s, background 0.35s;
}
.search-box svg { width: 19px; height: 19px; margin-left: 16px; color: var(--text-3); flex-shrink: 0; }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px var(--ring), var(--shadow); }
.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 15px 16px;
  font: inherit;
  font-size: 15px;
  color: var(--text);
  min-width: 0;
}
.search-box input:focus { outline: none; }
.search-box input::placeholder { color: var(--text-3); }
.search-box input::-webkit-search-cancel-button { -webkit-appearance: none; }

/* ---------- 通用弹窗 ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(10, 16, 28, 0.45);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  animation: fadeIn 0.25s ease both;
}
.modal-backdrop[hidden] { display: none; }

.modal {
  position: relative;
  width: min(560px, 100%);
  max-height: min(86dvh, 720px);
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  padding: 24px 22px 20px;
  box-shadow: 0 24px 70px -18px rgba(0, 0, 0, 0.45);
  animation: popIn 0.35s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}
.modal h3 { font-size: 18px; font-weight: 900; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-close:active { transform: scale(0.85); }
.modal-close svg { width: 15px; height: 15px; }

/* ---------- 通用手风琴 ---------- */
.acc {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: background 0.35s, border-color 0.35s;
}
.acc + .acc { margin-top: 10px; }

.acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 11px;
  text-align: left;
  padding: 15px 16px;
  -webkit-tap-highlight-color: transparent;
}
.acc-head:active { background: var(--chip-bg); }

.acc-badge {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-size: 17px;
  background: color-mix(in srgb, var(--acc) 13%, transparent);
  border: 1px solid color-mix(in srgb, var(--acc) 22%, transparent);
}

.acc-title { font-size: 15px; font-weight: 700; line-height: 1.4; }
.acc-meta { font-size: 12px; color: var(--text-3); margin-top: 1px; }

.acc-chevron {
  margin-left: auto;
  flex-shrink: 0;
  color: var(--text-3);
  transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.acc-chevron svg { width: 17px; height: 17px; }
.acc.open .acc-chevron { transform: rotate(90deg); }

.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.38s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.acc.open .acc-body { grid-template-rows: 1fr; }
.acc-body-inner { overflow: hidden; }

.acc-content { padding: 2px 16px 18px; border-top: 1px dashed var(--card-border); }
.acc.open .acc-content { animation: fadeUp 0.45s 0.06s ease both; }

.acc-overview {
  padding-top: 13px;
  font-size: 13.5px;
  color: var(--text-2);
}

.acc-sec { margin-top: 15px; }
.acc-sec h4 {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 7px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.acc-sec ul { list-style: none; }
.acc-sec li {
  position: relative;
  padding: 3px 0 3px 18px;
  font-size: 13.5px;
  color: var(--text-2);
}
.acc-sec li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acc);
  opacity: 0.75;
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 15px;
}
.fact {
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  border-radius: 12px;
  padding: 9px 10px;
}
.fact b { display: block; font-size: 10.5px; font-weight: 700; color: var(--text-3); letter-spacing: 0.06em; }
.fact span { display: block; font-size: 12.5px; font-weight: 600; margin-top: 2px; word-break: break-word; }

.acc-official {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 15px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 11px;
  background: color-mix(in srgb, var(--primary) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  transition: transform 0.2s, background 0.25s;
}
.acc-official:active { transform: scale(0.95); }
.acc-official svg { width: 14px; height: 14px; }

/* ---------- 通用顶部栏 ---------- */
.detail-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: calc(10px + env(safe-area-inset-top)) 14px 10px;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--card-border);
}

.back-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.back-btn:active { transform: scale(0.88); }
.back-btn svg { width: 19px; height: 19px; }

/* ---------- 通用空状态 ---------- */
.empty-tip {
  text-align: center;
  color: var(--text-3);
  padding: 48px 20px 30px;
  font-size: 14.5px;
  animation: fadeUp 0.4s ease both;
}
.empty-icon { font-size: 40px; margin-bottom: 12px; }
.empty-title { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.empty-desc { font-size: 13.5px; color: var(--text-3); margin-bottom: 18px; }
.empty-hot {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 400px;
  margin: 0 auto;
}
.empty-hot-tag {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
  text-decoration: none;
  transition: transform 0.2s, background 0.25s;
}
.empty-hot-tag:active { transform: scale(0.94); }
.empty-hot-tag:hover { background: color-mix(in srgb, var(--primary) 14%, transparent); }

/* ---------- 通用页脚 ---------- */
.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 6px clamp(18px, 5vw, 48px) calc(30px + env(safe-area-inset-bottom));
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}
.foot-brand { margin-top: 6px; font-weight: 700; letter-spacing: 0.08em; }

/* ---------- 数据时效性标签 ---------- */
.fresh-badge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: auto;
  letter-spacing: 0.02em;
}
.fresh-fresh {
  background: rgba(22, 163, 74, 0.1);
  color: #16a34a;
  border: 1px solid rgba(22, 163, 74, 0.25);
}
.fresh-normal {
  background: rgba(47, 107, 255, 0.08);
  color: #2f6bff;
  border: 1px solid rgba(47, 107, 255, 0.2);
}
.fresh-stale {
  background: rgba(217, 144, 42, 0.1);
  color: #d9902a;
  border: 1px solid rgba(217, 144, 42, 0.25);
}
.fresh-old {
  background: rgba(220, 38, 38, 0.08);
  color: #dc2626;
  border: 1px solid rgba(220, 38, 38, 0.2);
}
[data-theme="dark"] .fresh-fresh,
:root:not([data-theme="light"]) .fresh-fresh { background: rgba(74, 222, 128, 0.12); color: #4ade80; border-color: rgba(74, 222, 128, 0.25); }
[data-theme="dark"] .fresh-normal,
:root:not([data-theme="light"]) .fresh-normal { background: rgba(91, 140, 255, 0.12); color: #5b8cff; border-color: rgba(91, 140, 255, 0.2); }
[data-theme="dark"] .fresh-stale,
:root:not([data-theme="light"]) .fresh-stale { background: rgba(238, 179, 92, 0.12); color: #eeb35c; border-color: rgba(238, 179, 92, 0.25); }
[data-theme="dark"] .fresh-old,
:root:not([data-theme="light"]) .fresh-old { background: rgba(248, 113, 113, 0.1); color: #f87171; border-color: rgba(248, 113, 113, 0.2); }

/* ---------- 收藏按钮 ---------- */
.card-fav-btn {
  position: relative;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 2;
  -webkit-tap-highlight-color: transparent;
}
.card-fav-btn:active { transform: scale(0.8); }
.card-fav-btn svg { width: 17px; height: 17px; }
.card-fav-btn .fav-icon-empty { opacity: 0.4; color: var(--text-3); }
.card-fav-btn .fav-icon-filled { display: none; color: #ef4444; }
.card-fav-btn.is-faved .fav-icon-empty { display: none; }
.card-fav-btn.is-faved .fav-icon-filled { display: block; }

.fav-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s;
  flex-shrink: 0;
}
.fav-btn:active { transform: scale(0.88); }
.fav-btn svg { width: 19px; height: 19px; }
.fav-btn .fav-icon-empty { opacity: 0.6; color: var(--text-2); }
.fav-btn .fav-icon-filled { display: none; color: #ef4444; }
.fav-btn.is-faved .fav-icon-empty { display: none; }
.fav-btn.is-faved .fav-icon-filled { display: block; }

[data-theme="dark"] .card-fav-btn.is-faved .fav-icon-filled,
[data-theme="dark"] .fav-btn.is-faved .fav-icon-filled,
:root:not([data-theme="light"]) .card-fav-btn.is-faved .fav-icon-filled,
:root:not([data-theme="light"]) .fav-btn.is-faved .fav-icon-filled { color: #f87171; }

.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.3s;
  flex-shrink: 0;
  position: relative;
}
.share-btn:active { transform: scale(0.88); }
.share-btn svg { width: 18px; height: 18px; color: var(--text-2); }
.share-btn.copied::after {
  content: "已复制";
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 3px 8px;
  white-space: nowrap;
  box-shadow: var(--shadow);
  animation: popIn 0.2s ease both;
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 打印样式 ---------- */
@media print {
  :root {
    --bg: #fff;
    --card: #fff;
    --text: #000;
    --text-2: #333;
    --text-3: #666;
    --card-border: #ddd;
    --shadow: none;
    --shadow-hover: none;
  }
  body { background: #fff; color: #000; font-size: 11pt; }
  .hero, .toolbar, .site-footer, .hero-deco, .globe,
  .detail-topbar, .back-btn, .fav-btn, .card-fav-btn,
  .theme-toggle, .lang-switcher, .fresh-badge,
  .acc-chevron, .acc-official svg,
  .modal-backdrop { display: none !important; }
  .view { min-height: auto; }
  .acc { border: 1px solid #ddd; border-radius: 8px; box-shadow: none; page-break-inside: avoid; }
  .acc-body { grid-template-rows: 1fr !important; }
  .facts { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .fact { background: #f5f5f5; border: 1px solid #ddd; padding: 6px 8px; }
  a { color: #000; text-decoration: underline; }
}