/* 海外站全站公共样式：设计 token（Apple 式白底蓝，同国内站）+ 导航 + 首页 + 占位页 */

/* ===== 设计 token：与国内站同源的 Apple 式白底蓝 ===== */
:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --text: #1d1d1f;
  --text-sub: #6e6e73;
  --text-hint: #86868b;
  --border: #d2d2d7;
  --border-soft: #f2f2f4;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.08);
  --radius-lg: 18px;
  --radius-xl: 22px;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

/* ===== 顶部导航（毛玻璃） ===== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid var(--border-soft);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav .brand {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav .links { display: flex; align-items: center; gap: 6px; flex-wrap: nowrap; }
.nav .links > a {
  font-size: 13.5px; color: #4b5563; text-decoration: none;
  padding: 6px 11px; border-radius: 8px; white-space: nowrap; flex-shrink: 0;
  transition: background .15s, color .15s;
}
.nav .links > span[data-nav-auth] { display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }
.nav .links > a:hover { color: #1d1d1f; background: rgba(0,0,0,.05); }
.nav .user-chip {
  display: inline-flex; align-items: center; font-size: 13px; font-weight: 500;
  color: #0071e3; background: rgba(0,113,227,.08); border: 1px solid rgba(0,113,227,.28);
  padding: 5px 13px; border-radius: 999px; text-decoration: none; white-space: nowrap;
}
.nav .nav-menu { position: relative; }
.nav .nav-menu-btn {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 13.5px; color: #4b5563; background: none; border: none;
  padding: 6px 11px; border-radius: 8px; cursor: pointer; font-family: inherit;
  white-space: nowrap; flex-shrink: 0;
  transition: background .15s, color .15s;
}
.nav .nav-menu-btn:hover { color: #1d1d1f; background: rgba(0,0,0,.05); }
.nav .nav-menu.open .nav-menu-btn { color: #0071e3; background: rgba(0,113,227,.09); }
.nav .nav-menu .caret { font-size: 9px; color: #9ca3af; transition: transform .18s; }
.nav .nav-menu.open .caret { transform: rotate(180deg); }
.nav .nav-menu-list {
  display: none; position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 138px; background: #fff; border: 1px solid #e5e7eb; border-radius: 12px;
  box-shadow: 0 10px 32px rgba(0,0,0,.12); padding: 6px; z-index: 80;
}
.nav .nav-menu.open .nav-menu-list { display: block; }
.nav .nav-menu-list a {
  display: block; padding: 8px 12px; font-size: 13.5px; color: #374151;
  text-decoration: none; border-radius: 8px; white-space: nowrap;
}
.nav .nav-menu-list a:hover { background: #f5f7ff; color: #0071e3; }
.nav .nav-menu-list a.on { color: #0071e3; font-weight: 600; background: rgba(0,113,227,.09); }
.lang-menu-btn svg { width: 15px; height: 15px; }

@media (max-width: 720px) {
  .nav .links { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .nav .links::-webkit-scrollbar { display: none; }
  .nav .links > a, .nav .nav-menu-btn { font-size: 12px; padding: 6px 7px; white-space: nowrap; flex-shrink: 0; }
  .nav .links > span[data-nav-auth] { gap: 0; flex-shrink: 0; }
  .section-head .note { flex-basis: 100%; }
}

/* ===== Hero ===== */
.hero {
  text-align: center;
  padding: 68px 20px 30px;
}
.hero .eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 34px;
  font-weight: 600;
  letter-spacing: 0.5px;
  line-height: 1.25;
  max-width: 640px;
  margin: 0 auto;
}
.hero p.sub {
  margin: 16px auto 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-sub);
}
.hero .cta-row {
  margin-top: 26px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 11px 26px;
  border-radius: 999px;
  transition: background 0.15s ease, transform 0.15s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { color: var(--accent); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--accent); }

/* ===== 分区 ===== */
main { flex: 1; }
.section { max-width: 1080px; margin: 0 auto; padding: 44px 20px 8px; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.section-head .left { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.section-head h2 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.section-head .note { font-size: 13px; color: var(--text-hint); }

/* ===== 徽章 ===== */
.badge {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 12px;
  border-radius: 999px;
  vertical-align: 3px;
}
.badge-free { color: #1d7a35; background: rgba(52, 199, 89, 0.12); }
.badge-pro { color: #d9a13c; background: rgba(217, 161, 60, 0.15); }
.badge-soon { color: #8e8e93; background: rgba(142, 142, 147, 0.14); }

/* ===== 工具卡 ===== */
.grid-free {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
a.tool-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
a.tool-card:hover {
  transform: translateY(-3px);
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05), 0 16px 40px rgba(0,0,0,0.06);
}
.tool-card .icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.tool-card .icon svg { width: 21px; height: 21px; }
.tool-card h3 {
  font-size: 15.5px; font-weight: 600; margin-bottom: 6px;
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.tool-card h3 .badge { vertical-align: 0; flex-shrink: 0; }
.tool-card p { font-size: 12.5px; line-height: 1.65; color: var(--text-sub); }

/* ===== 信任条 ===== */
.trust {
  max-width: 1080px;
  margin: 40px auto 0;
  padding: 22px 20px 26px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: center;
  gap: 10px 34px;
  flex-wrap: wrap;
}
.trust span {
  font-size: 12.5px;
  color: var(--text-hint);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.trust svg { width: 14px; height: 14px; color: #34c759; }

/* ===== 页脚 ===== */
footer {
  border-top: 1px solid var(--border-soft);
  padding: 22px 20px calc(24px + env(safe-area-inset-bottom));
  text-align: center;
  font-size: 12px;
  color: var(--text-hint);
  line-height: 2;
}
footer a { color: var(--text-sub); text-decoration: none; }
footer a:hover { color: var(--text); }

/* ===== 占位页（工具上线前的「即将上线」） ===== */
.hero-coming { padding-top: 96px; padding-bottom: 60px; }
.hero-coming h1 { font-size: 30px; }
.hero-coming .sub { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; }
.hero-coming .sub .badge { vertical-align: 0; }

/* ===== 动效：仅一次入场，尊重系统减弱设置 ===== */
@media (prefers-reduced-motion: no-preference) {
  .hero, .section { animation: rise 0.5s ease both; }
  .section { animation-delay: 0.08s; }
  @keyframes rise {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: none; }
  }
}

/* ===== 桌面档 ===== */
@media (min-width: 640px) {
  .hero { padding-top: 88px; }
  .hero h1 { font-size: 44px; }
  .hero p.sub { font-size: 16px; }
  .section { padding-top: 56px; }
  .grid-free { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .hero-coming { padding-top: 120px; }
  .hero-coming h1 { font-size: 38px; }
}