/* 数码配件站：基于 templates/_shared/css/base.css + templates/electronics/css/theme.css */
:root {
  --font-sans: system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  --accent: #0066cc;
  --header-bg: #0d1117;
  --color-text: #e6edf3;
  --color-muted: #8b949e;
  --color-border: #30363d;
  --color-bg: #0d1117;
  --color-surface: #161b22;
  --card-placeholder: #21262d;
  /* 输入框占位符：需明显亮于 --color-muted，避免在深色底上难辨认 */
  --color-placeholder: #c9d1d9;
  --radius: 8px;
  --max-w: 1200px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body.ec-body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: var(--header-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.65rem 1.25rem;
  color: var(--color-text);
}
.site-header__logo {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 220px;
}
.site-header__logo img { max-height: 36px; width: auto; object-fit: contain; }
.site-header__nav {
  display: flex;
  gap: 0.65rem 1.1rem;
  flex-wrap: wrap;
  align-items: center;
}
.site-header__nav a {
  font-size: 0.875rem;
  color: var(--color-muted);
}
.site-header__nav a:hover,
.site-header__nav a.active { color: var(--color-text); }
.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
}
.btn:hover { opacity: 0.92; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--ghost {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--sm { padding: 0.35rem 0.75rem; font-size: 0.8125rem; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }

main.ec-main { flex: 1; }

.hero {
  padding: 3rem 0 3.5rem;
  text-align: var(--hero-align, center);
  background: linear-gradient(180deg, #161b22 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}
.hero__eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.hero__title { font-size: clamp(1.65rem, 4vw, 2.65rem); font-weight: 700; margin: 0 0 1rem; line-height: 1.15; }
.hero__desc {
  color: var(--color-muted);
  max-width: 40rem;
  margin: 0 auto 1.5rem;
  font-size: 0.95rem;
}
.hero__cta { display: flex; gap: 0.75rem; justify-content: var(--hero-cta-justify, center); flex-wrap: wrap; }

.section { padding: 2.75rem 0; }
.section--surface { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section__title { font-size: 1.2rem; font-weight: 700; margin: 0 0 1.25rem; }

.grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card__media { aspect-ratio: 4/3; background: var(--card-placeholder); position: relative; }
.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card__body { padding: 1rem; }
.card__title { font-weight: 600; font-size: 0.9375rem; margin: 0 0 0.35rem; color: var(--color-text); }
.card__meta { font-size: 0.8125rem; color: var(--color-muted); margin: 0; line-height: 1.45; }

.ec-product-card,
.ec-news-card { transition: border-color 0.2s, transform 0.15s; }
.ec-product-card:hover,
.ec-news-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.ec-product-card__link { display: block; color: inherit; }
.ec-product-card__link:hover { color: inherit; }
.ec-price { font-size: 0.9rem; font-weight: 600; color: var(--accent); margin: 0.5rem 0; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.spec-table th,
.spec-table td {
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.75rem;
  text-align: left;
}
.spec-table th { background: var(--color-surface); color: var(--color-muted); font-weight: 600; }

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  justify-content: center;
  align-items: center;
  padding: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-muted);
}

.site-footer {
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-muted);
  background: #010409;
}
.site-footer__grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.site-footer a:hover { color: var(--color-text); text-decoration: underline; }
.site-footer strong { color: var(--color-text); }

.ec-lang { display: flex; gap: 0.35rem; flex-wrap: wrap; font-size: 0.75rem; }
.ec-lang a {
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  color: var(--color-muted);
}
.ec-lang a:hover,
.ec-lang a.active { color: var(--accent); background: rgba(0, 102, 204, 0.12); }

.ec-cart-badge {
  display: inline-block;
  min-width: 1.1rem;
  padding: 0 4px;
  font-size: 0.65rem;
  line-height: 1.2;
  background: #c00;
  color: #fff;
  border-radius: 8px;
  vertical-align: top;
  margin-left: 2px;
}

.ec-page-head {
  padding: 2rem 0 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.ec-page-head h1 { margin: 0; font-size: 1.5rem; }
.ec-page-head p { margin: 0.5rem 0 0; color: var(--color-muted); font-size: 0.9rem; }

.ec-category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}
.ec-category-pills span {
  font-size: 0.8125rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
}

.ec-advantage-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.ec-advantage {
  padding: 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}
.ec-advantage i { font-size: 1.75rem; color: var(--accent); margin-bottom: 0.75rem; }
.ec-advantage h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.ec-advantage p { margin: 0; font-size: 0.875rem; color: var(--color-muted); line-height: 1.55; }

/* 内页：与 Bootstrap 并存时的局部浅色卡片 */
.ec-bootstrap-page main .table { color: var(--color-text); }
.ec-bootstrap-page .breadcrumb { background: transparent; padding-left: 0; }
.ec-bootstrap-page .breadcrumb-item,
.ec-bootstrap-page .breadcrumb-item a { color: var(--color-muted); }
.ec-bootstrap-page .breadcrumb-item.active { color: var(--color-text); }
.ec-bootstrap-page .form-control,
.ec-bootstrap-page .form-select {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text);
}
/* placeholder：Bootstrap 5 会用 var(--bs-secondary-color)，在深色底上偏暗，此处统一提亮并提高优先级 */
.ec-bootstrap-page .form-control::placeholder,
.ec-bootstrap-page .form-control-sm::placeholder,
.ec-bootstrap-page textarea.form-control::placeholder,
.ec-bootstrap-page textarea.form-control-sm::placeholder {
  color: var(--color-placeholder) !important;
  opacity: 1 !important;
}
.ec-bootstrap-page .form-control::-webkit-input-placeholder,
.ec-bootstrap-page .form-control-sm::-webkit-input-placeholder,
.ec-bootstrap-page textarea.form-control::-webkit-input-placeholder {
  color: var(--color-placeholder) !important;
}
.ec-bootstrap-page .form-control::-moz-placeholder,
.ec-bootstrap-page .form-control-sm::-moz-placeholder,
.ec-bootstrap-page textarea.form-control::-moz-placeholder {
  color: var(--color-placeholder) !important;
  opacity: 1 !important;
}
.ec-bootstrap-page .form-control:-ms-input-placeholder,
.ec-bootstrap-page .form-control-sm:-ms-input-placeholder,
.ec-bootstrap-page textarea.form-control:-ms-input-placeholder {
  color: var(--color-placeholder) !important;
}
.ec-bootstrap-page .input-group-text {
  background: var(--card-placeholder);
  border-color: var(--color-border);
  color: var(--color-muted);
}
.ec-bootstrap-page .card,
.ec-bootstrap-page .bg-light {
  background: var(--color-surface) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
}
.ec-bootstrap-page .text-muted { color: var(--color-muted) !important; }
.ec-bootstrap-page .btn-primary {
  background: var(--accent) !important;
  border-color: var(--accent) !important;
}

@media (max-width: 900px) {
  .site-header__nav { width: 100%; order: 3; justify-content: flex-start; }
}