/* ════════════════════════════════════════════════════════════════════
   trip-esim — 设计系统
   方向：Dense utility（信息密集实用）× Content-led（内容导向）
   基调：深夜城市感 · 深色暖炭 + 克制的古金色 · 衬线标题 + 无衬线正文 + 等宽数据
   ════════════════════════════════════════════════════════════════════ */

/* ─── tokens（唯一允许出现颜色的位置） ─────────────────────────── */
:root {
  --bg:      oklch(0.148 0.008 65);   /* 页面底色 — 深夜暖炭 */
  --surface: oklch(0.195 0.010 65);   /* 卡片 / 浮起面板 */
  --surface-2: oklch(0.225 0.011 65); /* 次级面板（hover / 表格底） */
  --fg:      oklch(0.93 0.006 90);    /* 主文字 — 暖白 */
  --muted:   oklch(0.665 0.012 85);   /* 次要文字 / 说明 */
  --border:  oklch(0.285 0.012 65);   /* 发丝线 / 分隔 */
  --accent:  oklch(0.78 0.105 85);    /* 强调色 — 古金（全站唯一强调色） */

  /* 派生 — 不用额外 token，就地 color-mix */
  --accent-soft: color-mix(in oklch, var(--accent) 13%, transparent);
  --fg-soft:     color-mix(in oklch, var(--fg) 5%, transparent);
  --bg-glow:     color-mix(in oklch, var(--accent) 7%, transparent);

  /* 字体 — 衬线标题 / 无衬线正文 / 等宽数据 */
  /* 不加载 web font：拉丁优先 Georgia/Times，日文回退明朝，中文回退宋体 */
  --font-display: Georgia, 'Times New Roman', 'Yu Mincho', 'YuMincho', 'Hiragino Mincho ProN', 'Noto Serif JP', 'Songti SC', 'Noto Serif SC', 'STSong', 'SimSun', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans', 'Yu Gothic', 'Noto Sans JP', 'Microsoft YaHei', system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, 'Liberation Mono', monospace;

  /* 字号 — clamp 自适应 */
  --fs-h1: clamp(38px, 5.2vw, 62px);
  --fs-h2: clamp(26px, 3.2vw, 40px);
  --fs-h3: 19px;
  --fs-lead: 17px;
  --fs-body: 15.5px;
  --fs-meta: 12.5px;

  /* 间距 — 8pt 网格 */
  --gap-xs: 8px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --gap-xl: 56px;
  --gap-2xl: 88px;
  --container: 1160px;
  --gutter: 24px;

  --radius: 10px;
  --radius-lg: 16px;
  --header-h: 66px;
}

/* ─── reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; }

::selection { background: var(--accent); color: oklch(0.16 0.01 65); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ─── layout primitives ────────────────────────────────────────── */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(44px, 7vw, var(--gap-2xl)); }
.section + .section { border-top: 1px solid var(--border); }
.stack { display: flex; flex-direction: column; }
.stack > * + * { margin-top: var(--gap-md); }
.row { display: flex; align-items: center; gap: var(--gap-md); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--gap-md); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--gap-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }
.grid-2-1 { display: grid; grid-template-columns: 2fr 1fr; gap: var(--gap-xl); align-items: start; }
.grid-1-2 { display: grid; grid-template-columns: 1fr 2fr; gap: var(--gap-xl); align-items: start; }
@media (max-width: 920px) {
  .grid-2, .grid-3, .grid-4, .grid-2-1, .grid-1-2 { grid-template-columns: 1fr; }
}

/* ─── type ─────────────────────────────────────────────────────── */
.h1, h1 { font-family: var(--font-display); font-size: var(--fs-h1); line-height: 1.18; letter-spacing: 0.012em; margin: 0; font-weight: 400; }
.h2, h2 { font-family: var(--font-display); font-size: var(--fs-h2); line-height: 1.22; letter-spacing: 0.01em; margin: 0; font-weight: 400; }
.h3, h3 { font-size: var(--fs-h3); font-weight: 600; line-height: 1.35; letter-spacing: -0.005em; margin: 0; }
.lead { font-size: var(--fs-lead); line-height: 1.7; color: var(--muted); max-width: 58ch; margin: 0; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--gap-md);
}
.meta { font-family: var(--font-mono); font-size: var(--fs-meta); color: var(--muted); }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }

/* ─── header ───────────────────────────────────────────────────── */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.2s ease;
}
.topnav.scrolled { box-shadow: 0 8px 30px rgba(0,0,0,0.35); }
.topnav-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-h); gap: var(--gap-md);
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border); }
.brand-mark { width: 26px; height: 26px; flex: 0 0 auto; display: block; }
.brand-name { font-family: var(--font-display); font-size: 21px; font-weight: 400; letter-spacing: 0.04em; line-height: 1; }
.brand-name small { display: block; font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.3em; color: var(--muted); text-transform: uppercase; margin-top: 3px; }
.topnav nav { display: flex; gap: 22px; }
.topnav nav a { font-size: 14px; color: var(--muted); padding: 6px 2px; position: relative; white-space: nowrap; transition: color 0.15s ease; }
.topnav nav a:hover { color: var(--fg); }
.topnav nav a[aria-current="page"] { color: var(--fg); }
.topnav nav a[aria-current="page"]::after {
  content: ''; position: absolute; left: 2px; right: 2px; bottom: 0;
  height: 2px; background: var(--accent); border-radius: 1px;
}
.nav-right { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.nav-lang { display: flex; align-items: center; gap: 2px; font-size: 12.5px; }
.nav-lang a { color: var(--muted); padding: 4px 7px; border-radius: 6px; transition: color 0.15s ease, background 0.15s ease; }
.nav-lang a:hover { color: var(--fg); background: var(--fg-soft); }
.nav-lang a[aria-current="true"] { color: var(--accent); font-weight: 600; }
.nav-burger { display: none; background: none; border: 0; color: var(--fg); width: 42px; height: 42px; align-items: center; justify-content: center; }
.nav-burger svg { width: 22px; height: 22px; }
.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: color-mix(in oklch, var(--bg) 96%, transparent);
  padding: 12px var(--gutter) 20px;
}
.mobile-menu.open { display: block; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu nav a { padding: 12px 4px; font-size: 15px; color: var(--fg); border-bottom: 1px solid var(--border); }
.mobile-menu nav a[aria-current="page"] { color: var(--accent); }
.mobile-menu .nav-lang { margin-top: 14px; }
.mobile-menu .btn { margin-top: 14px; width: 100%; justify-content: center; }
@media (max-width: 920px) {
  .topnav nav { display: none; }
  .nav-burger { display: inline-flex; }
  .topnav-inner .nav-lang { display: none; }
  .mobile-menu .nav-lang { display: flex; }
}

/* ≤640px：导航栏右侧空间紧张，「联系顾问」按钮过宽会把页面顶出横向溢出 */
@media (max-width: 640px) {
  .nav-right { gap: 10px; }
  .topnav .btn { padding: 9px 15px; font-size: 13.5px; min-height: 40px; }
}

/* ≤560px：小屏放不下「品牌 + CTA + 汉堡」三者（实测 320px 溢出 68px、英文版 390px 溢出 65px），
   顶部 CTA 让位给右下角常驻的 WhatsApp 按钮，避免整页横向滚动 */
@media (max-width: 560px) {
  .topnav .btn { display: none; }
  .nav-right { gap: 6px; }
  .brand-name { font-size: 16px; }
}

/* 移动端触控目标：页脚链接原为纯 inline（高度仅 15px），加大点按区域到 WCAG 2.2 AA 的 24px 以上 */
@media (max-width: 920px) {
  .pagefoot a { display: inline-block; padding: 7px 0; }
  .pagefoot li { margin: 3px 0; }
  .nav-burger { width: 44px; height: 44px; }
  .brand { min-height: 44px; }
}

/* ─── buttons ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  min-height: 44px;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent); color: oklch(0.16 0.01 65); border-color: var(--accent);
  font-weight: 600;
}
.btn-primary:hover { background: color-mix(in oklch, var(--accent) 88%, white); border-color: color-mix(in oklch, var(--accent) 88%, white); color: oklch(0.13 0.01 65); }
.btn-secondary { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: transparent; color: var(--fg); border-color: transparent; padding-inline: 10px; }
.btn-ghost:hover { color: var(--accent); }
.btn-arrow::after { content: '→'; transition: transform 0.15s ease; }
.btn-arrow:hover::after { transform: translateX(3px); }
.btn-sm { padding: 7px 14px; min-height: 36px; font-size: 13.5px; }

/* ─── card / surface ───────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.card-flat { background: transparent; border: 0; padding: 0; }
.card-rule { background: transparent; border: 0; border-top: 1px solid var(--border); padding: 22px 0 0; border-radius: 0; }

/* ─── feature cell ─────────────────────────────────────────────── */
.feature .feature-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--fg);
  background: var(--surface);
  margin-bottom: var(--gap-md);
}
.feature .feature-mark svg { width: 18px; height: 18px; }
.feature h3 { margin-bottom: 6px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ─── stat ─────────────────────────────────────────────────────── */
.stat .stat-num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--fg);
  font-weight: 400;
  font-variant-numeric: tabular-nums;
}
.stat .stat-label { color: var(--muted); font-size: 13.5px; margin-top: 10px; max-width: 26ch; }
.stat .stat-unit { font-size: 0.42em; opacity: 0.75; margin-left: 3px; font-family: var(--font-mono); letter-spacing: 0.05em; }

/* ─── quote ────────────────────────────────────────────────────── */
.quote {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.4;
  letter-spacing: 0.005em;
  max-width: 30ch;
}
.quote-author { color: var(--muted); font-size: 13.5px; margin-top: var(--gap-md); }
.quote-mark {
  font-family: var(--font-display);
  font-size: 120px; line-height: 0.7;
  color: var(--accent); opacity: 0.22;
  margin-bottom: -24px;
}

/* ─── pill / tag ───────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}
.tag {
  display: inline-flex; align-items: center;
  padding: 4px 11px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  white-space: nowrap;
}

/* ─── form field ───────────────────────────────────────────────── */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; color: var(--muted); }
.input, .textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--fg);
  font: inherit;
  font-size: 15px;
  min-height: 44px;
}
.input:focus, .textarea:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}
.textarea { min-height: 96px; resize: vertical; line-height: 1.6; }

/* ─── table ────────────────────────────────────────────────────── */
.ds-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.ds-table th, .ds-table td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.ds-table th { color: var(--muted); font-weight: 500; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; }
.ds-table tbody tr:hover { background: var(--fg-soft); }
.ds-table .num-col { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.ds-table td strong { color: var(--fg); }
.ds-table .tick { color: var(--accent); font-family: var(--font-mono); }
.ds-table .dash { color: var(--muted); }
@media (max-width: 640px) {
  .ds-table-wrap { overflow-x: visible; }
  .ds-table { min-width: 0; display: block; }
  .ds-table thead { display: none; }
  .ds-table tbody, .ds-table tr, .ds-table td { display: block; width: 100%; }
  .ds-table tr {
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface); padding: 12px 14px; margin-bottom: 12px;
  }
  .ds-table td { border: 0; padding: 6px 0; }
  .ds-table td:first-child { font-weight: 650; font-size: 15px; padding-bottom: 4px; }
  .ds-table td.num-col { text-align: left; white-space: normal; }
}

/* ─── image placeholder（保留，供未配图场景） ──────────────────── */
.ph-img {
  background:
    linear-gradient(135deg, var(--accent-soft), var(--fg-soft)),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 10;
  display: grid; place-items: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.ph-img.square { aspect-ratio: 1 / 1; }
.ph-img.portrait { aspect-ratio: 3 / 4; }
.ph-img.wide { aspect-ratio: 16 / 9; }

/* ─── real image frame（全站统一图片处理） ─────────────────────── */
.img-cover {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}
.img-cover img { width: 100%; height: 100%; object-fit: cover; }
.img-cover picture { display: block; width: 100%; height: 100%; }
.img-cover.wide { aspect-ratio: 16 / 9; }
.img-cover.sq { aspect-ratio: 1 / 1; }
.img-cap {
  position: absolute; left: 14px; bottom: 14px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px;
  background: color-mix(in oklch, var(--bg) 72%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--fg);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
}
.img-cap::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ─── divider ──────────────────────────────────────────────────── */
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; }
.rule-strong { border: 0; border-top: 1px solid var(--fg); margin: 0; }

/* ─── hero ─────────────────────────────────────────────────────── */
.hero { padding-block: clamp(56px, 8vw, 104px); position: relative; }
.hero-center { text-align: center; max-width: 34ch; margin-inline: auto; }
.hero h1 { margin-bottom: var(--gap-md); }
.hero .lead { margin-bottom: var(--gap-lg); }
.hero-cta { display: inline-flex; gap: var(--gap-sm); flex-wrap: wrap; }
.hero-center .hero-cta { justify-content: center; }
.hero-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (max-width: 920px) { .hero-split { grid-template-columns: 1fr; } }

/* hero 暖光（唯一氛围装饰） */
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(60% 55% at 72% 18%, var(--bg-glow), transparent 70%);
  pointer-events: none;
}

/* 关键数据行（密集实用） */
.keyfacts { display: flex; flex-wrap: wrap; gap: 0; margin-top: 30px; border-top: 1px solid var(--border); }
.keyfacts .kf {
  padding: 14px 26px 14px 0; margin-right: 26px;
  border-right: 1px solid var(--border); padding-right: 26px;
}
.keyfacts .kf:last-child { border-right: 0; }
.keyfacts .kf b { display: block; font-family: var(--font-mono); font-size: 20px; font-weight: 500; line-height: 1.15; color: var(--accent); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }
.keyfacts .kf span { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 640px) {
  .keyfacts .kf { padding: 10px 16px 10px 0; margin-right: 16px; }
}

/* ─── dense service directory（内容导向首页核心区） ─────────────── */
.svc-row {
  display: grid; grid-template-columns: 44px 1.25fr 1fr auto;
  gap: var(--gap-md); align-items: center;
  padding: 22px 4px;
  border-top: 1px solid var(--border);
  transition: background 0.15s ease, padding 0.15s ease;
}
.svc-row:last-of-type { border-bottom: 1px solid var(--border); }
.svc-row:hover { background: var(--fg-soft); }
.svc-ico {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--accent);
  background: var(--surface);
}
.svc-ico svg { width: 21px; height: 21px; }
.svc-row h3 { font-size: 17.5px; margin-bottom: 3px; }
.svc-row .svc-desc { color: var(--muted); font-size: 14px; margin: 0; max-width: 46ch; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
/* 服务行右侧的「详情」入口：改为金色描边胶囊，默认态即可见（原为 --muted 暗灰，仅 hover 才变色） */
.svc-link {
  display: inline-flex; align-items: center; gap: 5px;
  justify-self: start;          /* ≤560px 时它是 grid item，否则会被撑满整列 */
  width: max-content;
  padding: 6px 13px;
  border: 1px solid color-mix(in oklch, var(--accent) 42%, transparent);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.04em; white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.svc-row:hover .svc-link { background: var(--accent); border-color: var(--accent); color: oklch(0.16 0.01 65); }
.svc-link::after { content: '→'; transition: transform 0.15s ease; }
.svc-row:hover .svc-link::after { transform: translateX(3px); }
@media (max-width: 920px) {
  .svc-row { grid-template-columns: 44px 1fr auto; }
  .svc-tags { grid-column: 2 / 4; }
}
@media (max-width: 560px) {
  .svc-row { grid-template-columns: 40px 1fr; }
  .svc-link { grid-column: 2; }
  .svc-tags { grid-column: 2; }
}

/* ─── process steps ────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg); counter-reset: step; }
.step { position: relative; padding-top: 44px; }
.step::before {
  counter-increment: step; content: '0' counter(step);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.12em;
  color: var(--accent);
}
.step::after {
  content: ''; position: absolute; top: 30px; left: 0; right: 0;
  height: 1px; background: var(--border);
}
.step h3 { font-size: 16px; margin-bottom: 6px; }
.step p { margin: 0; color: var(--muted); font-size: 13.5px; }
@media (max-width: 920px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

/* ─── FAQ ──────────────────────────────────────────────────────── */
.faq { max-width: 760px; }
.faq details {
  border-top: 1px solid var(--border);
  padding: 4px 0;
}
.faq details:last-of-type { border-bottom: 1px solid var(--border); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--gap-md);
  padding: 18px 4px;
  font-size: 15.5px; font-weight: 500;
  transition: color 0.15s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-family: var(--font-mono); font-size: 18px;
  color: var(--accent); transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details[open] summary { color: var(--accent); }
.faq .faq-a { padding: 0 4px 20px; color: var(--muted); font-size: 14.5px; line-height: 1.75; max-width: 62ch; }

/* ─── city coverage ────────────────────────────────────────────── */
.city-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg); }
.city-cell { border-top: 1px solid var(--border); padding-top: 18px; }
a.city-cell { display: block; color: inherit; text-decoration: none; transition: border-color 0.15s ease; }
a.city-cell:hover { border-top-color: var(--accent); }
a.city-cell:hover h3 { color: var(--accent); }
.city-cell picture { display: block; margin-bottom: 14px; }
.city-cell picture img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); display: block; }
.city-cell h3 { font-family: var(--font-display); font-size: 25px; font-weight: 400; margin-bottom: 4px; }
.city-cell .city-en { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.city-cell ul { list-style: none; margin: 0 0 14px; padding: 0; }
.city-cell li { color: var(--muted); font-size: 13.5px; padding: 3px 0; }
.city-cell li::before { content: '—'; color: var(--border); margin-right: 8px; }
.city-cell .tags-row { display: flex; flex-wrap: wrap; gap: 6px; }
@media (max-width: 920px) { .city-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .city-grid { grid-template-columns: 1fr; } }

/* ─── contact ──────────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap-lg); }
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.contact-card:hover { border-color: color-mix(in oklch, var(--accent) 45%, var(--border)); transform: translateY(-2px); }
.contact-card .cc-top { display: flex; align-items: center; gap: 10px; }
.contact-card .cc-ico { width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.contact-card .cc-ico svg { width: 17px; height: 17px; }
.contact-card h3 { font-size: 15px; }
.contact-card .cc-id { font-family: var(--font-mono); font-size: 14px; color: var(--fg); word-break: break-all; }
.contact-card .cc-note { font-size: 12.5px; color: var(--muted); margin: 0; }
.contact-card .cc-actions { display: flex; gap: 8px; margin-top: 4px; }
.contact-card .btn { flex: 1; justify-content: center; }
@media (max-width: 920px) { .contact-grid { grid-template-columns: 1fr; } }

/* ─── toast ────────────────────────────────────────────────────── */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(16px);
  background: var(--surface-2); color: var(--fg);
  border: 1px solid var(--accent); border-radius: 999px;
  padding: 10px 20px; font-size: 13.5px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 99; box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── page hero (subpages) ─────────────────────────────────────── */
.page-hero { padding-block: clamp(44px, 6vw, 72px); }
.page-hero .crumbs { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 18px; }
.page-hero .crumbs a:hover { color: var(--accent); }
.page-hero .crumbs .sep { margin: 0 8px; color: var(--border); }
.page-hero .crumbs [aria-current="page"] { color: var(--accent); }
.page-hero h1 { margin-bottom: 14px; }
.page-hero .lead { margin-bottom: 0; }

/* ─── log row ──────────────────────────────────────────────────── */
.log-row { display: grid; grid-template-columns: 120px 1fr 100px; gap: var(--gap-lg); padding: 22px 0; border-top: 1px solid var(--border); align-items: baseline; }
.log-row .meta { color: var(--muted); }
.log-row h3 { font-size: 18px; }
.log-row .pull { text-align: right; }

/* ─── footer ───────────────────────────────────────────────────── */
.pagefoot { padding-block: 56px 40px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--border); margin-top: 0; }
.pagefoot .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--gap-xl); margin-bottom: 40px; }
.pagefoot h4 { font-size: 13px; color: var(--fg); margin: 0 0 14px; letter-spacing: 0.02em; }
.pagefoot ul { list-style: none; margin: 0; padding: 0; }
.pagefoot li { margin: 7px 0; }
.pagefoot a { color: var(--muted); transition: color 0.15s ease; }
.pagefoot a:hover { color: var(--accent); }
.pagefoot .foot-brand { font-family: var(--font-display); font-size: 22px; color: var(--fg); margin-bottom: 10px; }
.pagefoot .foot-note { max-width: 36ch; line-height: 1.7; }
.pagefoot .foot-base { display: flex; justify-content: space-between; gap: var(--gap-md); flex-wrap: wrap; padding-top: 24px; border-top: 1px solid var(--border); }
@media (max-width: 920px) { .pagefoot .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .pagefoot .foot-grid { grid-template-columns: 1fr; } }

/* ─── back to top ──────────────────────────────────────────────── */
.backtotop {
  position: fixed; right: 22px; bottom: 84px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2); color: var(--fg);
  display: grid; place-items: center;
  opacity: 0; pointer-events: none;
  transform: translateY(14px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.15s ease;
}
.backtotop.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.backtotop:hover { background: var(--accent); color: oklch(0.16 0.01 65); }
.backtotop svg { width: 18px; height: 18px; }

/* ─── misc ─────────────────────────────────────────────────────── */
.section-head { max-width: 40ch; margin-bottom: clamp(28px, 4vw, 48px); }
.section-head.center { margin-inline: auto; text-align: center; }
.other-svc { display: flex; flex-wrap: wrap; gap: 8px; }
.other-svc a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 999px;
  font-size: 13.5px; color: var(--muted);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.other-svc a:hover { border-color: var(--accent); color: var(--accent); }
.note-box {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); background: var(--fg-soft);
  padding: 14px 18px; font-size: 13px; color: var(--muted); line-height: 1.7;
}
.note-box strong { color: var(--fg); font-weight: 600; }
.img-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-md); }
@media (max-width: 640px) { .img-pair { grid-template-columns: 1fr; } }

/* ─── floating WhatsApp (常驻转化入口) ───────────────────────────── */
/* 默认收成圆形：原胶囊宽 98px，会压住右侧「详情」按钮（实测水平重叠 32px）。
   悬停时向左展开显示文字，兼顾转化入口辨识度与不遮挡正文。 */
.whatsapp-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  display: inline-flex; align-items: center; justify-content: center; gap: 0;
  width: 46px; height: 46px; padding: 0;
  border-radius: 999px;
  background: var(--accent); color: oklch(0.16 0.01 65);
  font-weight: 650; font-size: 14.5px; letter-spacing: 0.01em;
  box-shadow: 0 12px 30px rgba(0,0,0,0.35);
  overflow: hidden; white-space: nowrap;
  transition: width 0.22s ease, gap 0.22s ease, padding 0.22s ease, background 0.15s ease;
}
.whatsapp-fab svg { width: 19px; height: 19px; flex: none; }
.whatsapp-fab span { display: none; }
.whatsapp-fab:hover { width: 112px; gap: 9px; padding: 0 20px; background: color-mix(in oklch, var(--accent) 86%, white); }
.whatsapp-fab:hover span { display: inline; }

/* ─── trust strip（服务承诺，落地页收窄条） ─────────────────────── */
.trust-strip {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--surface); padding: 20px 26px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-lg);
}
.trust-item { display: flex; gap: 12px; align-items: flex-start; }
.trust-item .ti-ico {
  width: 34px; height: 34px; flex: 0 0 auto; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
}
.trust-item .ti-ico svg { width: 17px; height: 17px; }
.trust-item b { display: block; font-size: 14.5px; font-weight: 650; letter-spacing: -0.01em; }
.trust-item span { display: block; color: var(--muted); font-size: 12.5px; margin-top: 2px; }
@media (max-width: 920px) { .trust-strip { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .trust-strip { grid-template-columns: 1fr; } }


/* 无障碍：尊重系统的「减少动态效果」偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ─── 法务页正文（隐私政策） ─────────────────────────────────── */
.legal { max-width: 820px; }
.legal h2 { font-size: 18.5px; color: var(--fg); margin: 30px 0 12px; letter-spacing: 0.01em; }
.legal ul { margin: 0; padding-left: 20px; color: var(--muted); line-height: 1.85; font-size: 14.5px; }
.legal li { margin: 7px 0; }
@media (max-width: 560px) { .legal h2 { font-size: 17px; } .legal ul { font-size: 14px; padding-left: 18px; } }