/* ==============================
   华臻水刀经销 · 全局样式
   工业风：深色科技蓝 + 橙色高亮
   ============================== */
:root {
  --bg: #0e1420;
  --bg-elevated: #151d2e;
  --bg-card: #1a2338;
  --border: #253150;
  --border-strong: #2f3d63;
  --text: #e6ecf5;
  --text-dim: #9aa8c4;
  --text-mute: #6b7893;
  --accent: #ff7a1a;       /* 主品牌橙 */
  --accent-dark: #e56610;
  --accent-soft: #ff9c4a;
  --blue: #4c8dff;
  --success: #23c16b;
  --danger: #ff5a5a;

  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,.4);
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  color-scheme: dark;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-soft); text-decoration: none; transition: color .15s; }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== 顶部通知条 ========== */
.top-bar {
  background: #060a15;
  color: var(--text-dim);
  font-size: 13px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar .contact-info { display: flex; gap: 24px; flex-wrap: wrap; }
.top-bar .contact-info span::before { content: attr(data-icon); margin-right: 6px; opacity: .8; }
.lang-switch { display: flex; gap: 4px; }
.lang-switch button {
  background: transparent; color: var(--text-dim); border: 1px solid transparent;
  padding: 2px 10px; border-radius: 4px; font-size: 12px;
}
.lang-switch button.active { color: var(--accent); border-color: var(--accent); }
.lang-switch button:hover { color: var(--text); }

/* ========== 主导航 ========== */
.header {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(21, 29, 46, .9);
}
.header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; }

.logo {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); font-weight: 700; font-size: 18px;
}
.logo-mark {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; color: #fff;
  box-shadow: 0 2px 12px rgba(255, 122, 26, .3);
}
.logo-text .brand { display: block; letter-spacing: .5px; }
.logo-text .tagline { display: block; font-size: 11px; color: var(--text-mute); font-weight: 400; letter-spacing: 1.2px; text-transform: uppercase; margin-top: 2px; }

.nav-menu { display: flex; gap: 4px; align-items: center; }
.nav-menu a {
  color: var(--text-dim); font-weight: 500; font-size: 14px;
  padding: 8px 16px; border-radius: 4px;
  transition: all .15s;
}
.nav-menu a:hover { color: var(--text); background: var(--bg-card); }
.nav-menu a.active { color: var(--accent); background: rgba(255, 122, 26, .08); }

.header-actions { display: flex; align-items: center; gap: 12px; }
.cart-btn {
  position: relative;
  background: var(--accent); color: #fff; border: none;
  padding: 10px 20px; border-radius: 4px; font-weight: 600; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}
.cart-btn:hover { background: var(--accent-dark); }
.cart-count {
  background: #fff; color: var(--accent);
  min-width: 20px; height: 20px; border-radius: 10px;
  padding: 0 6px; font-size: 12px; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ========== 移动端菜单 ========== */
.mobile-toggle { display: none; background: transparent; border: none; color: var(--text); font-size: 24px; }

@media (max-width: 900px) {
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: stretch; padding: 8px 20px;
    display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 8px; border-radius: 4px; }
  .mobile-toggle { display: block; }
  .top-bar .contact-info span:not(:first-child) { display: none; }
}

/* ========== Hero ========== */
.hero {
  position: relative;
  padding: 80px 0 90px;
  background:
    radial-gradient(ellipse at top right, rgba(76, 141, 255, .12) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(255, 122, 26, .1) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, #0a0f1a 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(76, 141, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(76, 141, 255, .04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero .container { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; align-items: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255, 122, 26, .1); color: var(--accent);
  padding: 6px 14px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  border: 1px solid rgba(255, 122, 26, .2);
  margin-bottom: 20px;
}
.hero-title { font-size: 44px; font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-title .accent { color: var(--accent); }
.hero-desc { color: var(--text-dim); font-size: 17px; margin-bottom: 32px; max-width: 560px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px; border-radius: 4px;
  font-weight: 600; font-size: 15px;
  transition: all .15s;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(255, 122, 26, .25); }
.btn-outline { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { color: var(--text-dim); background: transparent; }
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: 8px 14px; font-size: 13px; }

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1.05;
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-elevated) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.hero-visual::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url('images/brand/company_intro.jpg');
  background-size: cover;
  background-position: center;
  opacity: .4;
  filter: saturate(.7) contrast(1.1);
}
.hero-visual-content { position: relative; text-align: center; padding: 30px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.stat { background: rgba(21, 29, 46, .85); padding: 16px 10px; border-radius: 6px; backdrop-filter: blur(6px); border: 1px solid var(--border); }
.stat-num { font-size: 28px; font-weight: 800; color: var(--accent); display: block; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 32px; }
  .hero { padding: 50px 0 60px; }
}

/* ========== Section ========== */
.section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-eyebrow { color: var(--accent); font-size: 12px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.section-title { font-size: 34px; font-weight: 700; letter-spacing: -0.3px; margin-bottom: 14px; line-height: 1.2; }
.section-desc { color: var(--text-dim); font-size: 16px; }

@media (max-width: 700px) {
  .section { padding: 50px 0; }
  .section-title { font-size: 26px; }
}

/* ========== 分类卡（首页 & 分类页导航） ========== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.category-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 24px;
  transition: all .2s;
  display: block; color: inherit;
  position: relative; overflow: hidden;
}
.category-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.category-card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.category-card:hover::before { transform: scaleX(1); }
.category-icon { font-size: 32px; margin-bottom: 16px; display: block; }
.category-card h3 { color: var(--text); font-size: 20px; margin-bottom: 10px; font-weight: 700; }
.category-card p { color: var(--text-dim); font-size: 14px; margin-bottom: 20px; }
.category-card .arrow { color: var(--accent); font-weight: 600; font-size: 14px; }
.category-card .arrow::after { content: '  →'; transition: margin .15s; }
.category-card:hover .arrow::after { margin-left: 4px; }

@media (max-width: 900px) { .category-grid { grid-template-columns: 1fr; } }

/* ========== 产品筛选栏 ========== */
.filter-bar {
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 16px 20px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.filter-bar .filter-group { display: flex; align-items: center; gap: 8px; }
.filter-bar select, .filter-bar input {
  background: var(--bg); color: var(--text); border: 1px solid var(--border-strong);
  padding: 8px 12px; border-radius: 4px; font-size: 14px; min-width: 200px;
}
.filter-bar input:focus, .filter-bar select:focus { outline: none; border-color: var(--accent); }
.filter-bar .result-count { color: var(--text-dim); font-size: 14px; margin-left: auto; }

/* ========== 产品网格 ========== */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
@media (max-width: 1100px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 800px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .product-grid { grid-template-columns: 1fr; } }

.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: all .2s;
}
.product-card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow); }

.product-image {
  aspect-ratio: 1 / 1;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-image img { width: 100%; height: 100%; object-fit: contain; padding: 8px; background: #fff; }
.product-cat-tag {
  position: absolute; top: 10px; left: 10px;
  background: rgba(14, 20, 32, .85); color: var(--text-dim);
  padding: 3px 10px; border-radius: 3px; font-size: 11px;
  backdrop-filter: blur(4px); border: 1px solid var(--border);
}

.product-body { padding: 16px; flex-grow: 1; display: flex; flex-direction: column; }
.product-name { font-size: 15px; font-weight: 600; margin-bottom: 4px; color: var(--text); line-height: 1.3; }
.product-name-sub { font-size: 12px; color: var(--text-mute); margin-bottom: 12px; }
.product-desc { font-size: 13px; color: var(--text-dim); flex-grow: 1; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.product-actions { display: flex; gap: 8px; margin-top: auto; }
.btn-detail { flex: 1; background: transparent; border: 1px solid var(--border-strong); color: var(--text-dim); padding: 8px 12px; border-radius: 4px; font-size: 13px; font-weight: 500; }
.btn-detail:hover { border-color: var(--accent); color: var(--accent); }
.btn-inquire { flex: 1; background: var(--accent); color: #fff; border: none; padding: 8px 12px; border-radius: 4px; font-size: 13px; font-weight: 600; }
.btn-inquire:hover { background: var(--accent-dark); }
.btn-inquire.added { background: var(--success); }

/* ========== 详情弹窗 ========== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .8);
  z-index: 200;
  display: none;
  align-items: center; justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--bg-elevated); border-radius: var(--radius-lg);
  max-width: 900px; width: 100%; max-height: 90vh; overflow-y: auto;
  position: relative;
  border: 1px solid var(--border);
}
.modal-close {
  position: absolute; top: 12px; right: 12px;
  background: rgba(0,0,0,.4); border: none; color: #fff;
  width: 36px; height: 36px; border-radius: 50%; font-size: 20px;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
}
.modal-close:hover { background: rgba(0,0,0,.6); }

.modal-body { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.modal-image {
  background: #fff; aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  overflow: hidden;
}
.modal-image img { width: 100%; height: 100%; object-fit: contain; padding: 20px; }
.modal-info { padding: 32px 28px; }
.modal-info h2 { font-size: 22px; margin-bottom: 4px; }
.modal-info .sub { color: var(--text-mute); font-size: 14px; margin-bottom: 20px; }
.modal-info .field { margin-bottom: 14px; }
.modal-info .field-label { font-size: 12px; color: var(--text-mute); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.modal-info .field-value { color: var(--text); font-size: 14px; }
.modal-actions { margin-top: 24px; display: flex; gap: 10px; }

@media (max-width: 700px) {
  .modal-body { grid-template-columns: 1fr; }
  .modal-image { border-radius: var(--radius-lg) var(--radius-lg) 0 0; aspect-ratio: 4 / 3; }
  .modal-info { padding: 24px 20px; }
}

/* ========== 询价车抽屉 ========== */
.cart-drawer {
  position: fixed; top: 0; right: -420px; bottom: 0;
  width: 420px; max-width: 100vw;
  background: var(--bg-elevated); border-left: 1px solid var(--border);
  z-index: 300; display: flex; flex-direction: column;
  transition: right .3s ease;
  box-shadow: -8px 0 40px rgba(0, 0, 0, .5);
}
.cart-drawer.open { right: 0; }
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  z-index: 250; display: none;
}
.cart-overlay.open { display: block; }

.cart-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.cart-header h3 { font-size: 18px; }
.cart-header button { background: transparent; border: none; color: var(--text-dim); font-size: 24px; }
.cart-items { flex-grow: 1; overflow-y: auto; padding: 12px 20px; }
.cart-item { display: flex; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.cart-item img { width: 60px; height: 60px; object-fit: contain; background: #fff; border-radius: 4px; padding: 4px; }
.cart-item-info { flex-grow: 1; }
.cart-item-info h4 { font-size: 14px; margin-bottom: 4px; }
.cart-item-info .cat { font-size: 12px; color: var(--text-mute); }
.qty-control { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.qty-control button { background: var(--bg-card); border: 1px solid var(--border-strong); color: var(--text); width: 26px; height: 26px; border-radius: 3px; font-size: 14px; }
.qty-control input { width: 46px; text-align: center; background: var(--bg); border: 1px solid var(--border-strong); color: var(--text); padding: 4px; border-radius: 3px; }
.remove-item { background: transparent; border: none; color: var(--text-mute); font-size: 12px; padding: 6px 0; cursor: pointer; }
.remove-item:hover { color: var(--danger); }

.cart-empty { text-align: center; padding: 60px 20px; color: var(--text-dim); }
.cart-empty .icon { font-size: 48px; opacity: .4; margin-bottom: 16px; }

.cart-footer { border-top: 1px solid var(--border); padding: 20px 24px; }
.cart-footer .btn { width: 100%; justify-content: center; }
.cart-footer .btn-primary { margin-bottom: 8px; }

/* ========== 表单 ========== */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.form-group label .req { color: var(--accent); }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border-strong); padding: 12px 14px;
  border-radius: 4px; font-size: 14px;
  transition: border-color .15s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--accent);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ========== Footer ========== */
.footer {
  background: #060a15; border-top: 1px solid var(--border);
  padding: 50px 0 20px; margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { color: var(--text); font-size: 14px; margin-bottom: 16px; font-weight: 600; text-transform: uppercase; letter-spacing: .8px; }
.footer p, .footer li { color: var(--text-mute); font-size: 13px; margin-bottom: 8px; line-height: 1.7; }
.footer ul { list-style: none; }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 20px; text-align: center; font-size: 12px; color: var(--text-mute); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* ========== Toast ========== */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(30px);
  background: var(--success); color: #fff;
  padding: 12px 24px; border-radius: 6px;
  font-size: 14px; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: all .3s;
  z-index: 400;
  box-shadow: 0 6px 20px rgba(0,0,0,.3);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ========== 面包屑 ========== */
.breadcrumb {
  padding: 20px 0 0; font-size: 13px; color: var(--text-mute);
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb .sep { margin: 0 8px; }

/* ========== 特性 grid ========== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-item { padding: 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.feature-item .icon { font-size: 28px; margin-bottom: 12px; }
.feature-item h4 { font-size: 15px; margin-bottom: 6px; }
.feature-item p { color: var(--text-dim); font-size: 13px; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .feature-grid { grid-template-columns: 1fr; } }

/* ========== 机器展示 ========== */
.machine-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  margin-bottom: 24px;
}
.machine-card-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: stretch; }
.machine-card-image { background: #fff; }
.machine-card-image img { width: 100%; height: 100%; object-fit: cover; }
.machine-card-body { padding: 32px; }
.machine-card-body h3 { font-size: 22px; margin-bottom: 6px; }
.machine-card-body .model { font-family: var(--font-mono); color: var(--accent); font-size: 13px; margin-bottom: 20px; }
.machine-card-body ul { list-style: none; margin: 20px 0; }
.machine-card-body ul li { padding: 6px 0 6px 24px; position: relative; font-size: 14px; color: var(--text-dim); }
.machine-card-body ul li::before { content: '★'; color: var(--accent); position: absolute; left: 0; }
.spec-table { margin-top: 16px; }
.spec-table dl { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; font-size: 13px; }
.spec-table dt { color: var(--text-mute); }
.spec-table dd { color: var(--text); font-family: var(--font-mono); font-size: 12px; }
@media (max-width: 800px) { .machine-card-inner { grid-template-columns: 1fr; } }

/* ========== About / Contact 页 ========== */
.two-col { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }
.content-block { color: var(--text-dim); font-size: 15px; line-height: 1.8; }
.content-block h3 { color: var(--text); font-size: 20px; margin-top: 28px; margin-bottom: 12px; }
.content-block p { margin-bottom: 14px; }
.content-block ul { margin: 14px 0 14px 20px; }
.content-block ul li { margin-bottom: 6px; }

.info-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.info-box h4 { margin-bottom: 16px; font-size: 15px; text-transform: uppercase; letter-spacing: .8px; color: var(--text); }
.info-item { padding: 10px 0; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 12px; font-size: 14px; color: var(--text-dim); }
.info-item:last-child { border: none; }
.info-item strong { color: var(--text); min-width: 60px; display: inline-block; }

/* ========== 询价页 ========== */
.inquiry-cart-summary { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.inquiry-cart-summary h3 { margin-bottom: 14px; font-size: 15px; }
.inquiry-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.inquiry-item:last-child { border: none; }

/* i18n helper */
[data-i18n-en], [data-i18n-zh] { display: none; }
body[data-lang="zh"] [data-i18n-zh] { display: initial; }
body[data-lang="en"] [data-i18n-en] { display: initial; }
body[data-lang="zh"] .lang-block-en { display: none; }
body[data-lang="en"] .lang-block-zh { display: none; }
/* 块级元素默认恢复 display */
body[data-lang="zh"] div[data-i18n-zh], body[data-lang="en"] div[data-i18n-en] { display: block; }
body[data-lang="zh"] p[data-i18n-zh], body[data-lang="en"] p[data-i18n-en] { display: block; }
body[data-lang="zh"] li[data-i18n-zh], body[data-lang="en"] li[data-i18n-en] { display: list-item; }
body[data-lang="zh"] h1[data-i18n-zh], body[data-lang="en"] h1[data-i18n-en],
body[data-lang="zh"] h2[data-i18n-zh], body[data-lang="en"] h2[data-i18n-en],
body[data-lang="zh"] h3[data-i18n-zh], body[data-lang="en"] h3[data-i18n-en],
body[data-lang="zh"] h4[data-i18n-zh], body[data-lang="en"] h4[data-i18n-en] { display: block; }