/* 及配云官网 — 商用车配件查询 */
:root {
  --bg: #0b1220;
  --bg-card: #121a2b;
  --text: #e8edf5;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: #0ea5e9;
  --warn-bg: rgba(251, 191, 36, 0.12);
  --warn-border: rgba(251, 191, 36, 0.35);
  --warn-text: #fcd34d;
  --radius: 12px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
}

.skip-link:focus {
  left: 0;
  z-index: 100;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-dim), #6366f1);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 800;
  color: #fff;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.3);
  color: var(--text);
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-list a {
  color: var(--muted);
  font-size: 0.9375rem;
  text-decoration: none;
}

.nav-list a:hover {
  color: var(--text);
  text-decoration: none;
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.25), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(99, 102, 241, 0.12), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 4rem;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-sub {
  margin: 0 auto 1.75rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.35rem;
  border-radius: 10px;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-dim), #6366f1);
  color: #fff;
  box-shadow: 0 4px 24px rgba(14, 165, 233, 0.35);
}

.btn-secondary {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text);
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.wechat-tip {
  max-width: 520px;
  margin: 0 auto 2rem;
  padding: 1rem 1.25rem;
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  color: var(--warn-text);
  font-size: 0.9rem;
  text-align: left;
  display: none;
}

.wechat-tip.is-visible {
  display: block;
}

.hero-points {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 480px;
  text-align: left;
}

.hero-points li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-kicker {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section h2 {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 700;
}

.section-desc {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1rem;
}

.grid-features {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: rgba(56, 189, 248, 0.35);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.925rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.shot {
  aspect-ratio: 9 / 19;
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(56, 189, 248, 0.15), rgba(99, 102, 241, 0.08));
  border: 1px dashed rgba(148, 163, 184, 0.25);
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.download-panel {
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 16px;
  padding: 2rem;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.download-panel p {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.badge-soon {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: rgba(148, 163, 184, 0.15);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  padding: 2.5rem 1.25rem;
  text-align: center;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
}

.footer-links {
  margin-bottom: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  justify-content: center;
  font-size: 0.9rem;
}

.footer-links span {
  color: var(--muted);
}

.footer-meta {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.7;
}

.footer-meta strong {
  color: var(--text);
  font-weight: 600;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .brand {
    order: 0;
  }

  .nav-toggle {
    order: 1;
    margin-left: auto;
  }

  .nav {
    order: 2;
    flex-basis: 100%;
    display: none;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(148, 163, 184, 0.12);
    margin-top: 0.75rem;
  }

  .nav.is-open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 0.25rem;
  }
}

@media (min-width: 769px) {
  .nav-toggle {
    display: none !important;
  }

  .nav {
    display: block !important;
  }
}

/* —— 法律文档页（用户协议 / 隐私政策）—— */
.legal-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.legal-body .site-header {
  position: relative;
}

.legal-subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.legal-subnav a {
  color: var(--muted);
  font-size: 0.875rem;
}

.legal-subnav a:hover {
  color: var(--accent);
}

.legal-subnav .is-current {
  color: var(--text);
  font-weight: 600;
  pointer-events: none;
}

.legal-main {
  flex: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  width: 100%;
}

.legal-doc h1 {
  margin: 0 0 1rem;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.3;
}

.legal-meta {
  margin: 0 0 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.legal-meta p {
  margin: 0 0 0.35rem;
}

.legal-lead {
  margin: 0 0 2rem;
  color: var(--text);
  font-size: 1rem;
}

.legal-doc h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.legal-doc h2:first-of-type {
  margin-top: 0;
}

.legal-doc p {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.legal-doc ul,
.legal-doc ol {
  margin: 0 0 1rem;
  padding-left: 1.35rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.legal-doc li {
  margin-bottom: 0.4rem;
}

.legal-doc li::marker {
  color: var(--accent);
}

.legal-doc .legal-contact-block {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.9375rem;
}

.legal-doc .legal-contact-block p {
  margin: 0 0 0.5rem;
  color: var(--text);
}

.legal-doc .legal-contact-block p:last-child {
  margin-bottom: 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

.legal-doc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  min-width: 640px;
}

.legal-doc th,
.legal-doc td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.legal-doc th {
  background: var(--bg-card);
  color: var(--text);
  font-weight: 600;
}

.legal-doc tr:last-child td {
  border-bottom: none;
}

.legal-doc td {
  color: var(--muted);
}

.legal-footnote {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.legal-page-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.legal-page-footer a {
  margin: 0 0.5rem;
}