/* mirror_flow:p6_ai_generated */
@charset "UTF-8";

/* ===== CSS Variables ===== */
:root {
  /* Color Palette - 汽车用品商行专业配色 */
  --color-primary: #1a3c6e;
  --color-primary-light: #2a5298;
  --color-primary-dark: #0f2444;
  --color-secondary: #c0392b;
  --color-secondary-light: #e74c3c;
  --color-accent: #f39c12;
  --color-accent-light: #f7b731;
  --color-bg: #f5f6fa;
  --color-bg-white: #ffffff;
  --color-bg-light: #edf2f7;
  --color-bg-dark: #2d3748;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-white: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #edf2f7;
  --color-success: #38a169;
  --color-warning: #d69e2e;
  --color-error: #e53e3e;
  --color-info: #3182ce;

  /* Typography */
  --font-family-base: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: Consolas, "Courier New", monospace;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 28px;
  --font-size-5xl: 32px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-base: 1.6;
  --line-height-heading: 1.3;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-base: 16px;
  --spacing-lg: 20px;
  --spacing-xl: 24px;
  --spacing-2xl: 32px;
  --spacing-3xl: 40px;
  --spacing-4xl: 48px;
  --spacing-5xl: 64px;

  /* Border Radius */
  --radius-sm: 3px;
  --radius-base: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-round: 50%;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --container-max-width: 1200px;
  --header-height: 60px;
  --sidebar-width: 260px;
  --footer-height: 50px;

  /* Z-index */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  --z-toast: 500;
}

/* ===== Reset & Normalize ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
main,
nav,
section {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  background-color: transparent;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
  text-decoration: underline;
}

a:active {
  color: var(--color-primary-dark);
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-heading);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-base);
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

input,
button,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ===== Utility Classes ===== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-base);
  padding-right: var(--spacing-base);
}

.container-fluid {
  width: 100%;
  padding-left: var(--spacing-base);
  padding-right: var(--spacing-base);
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-light { color: var(--color-text-light); }
.text-white { color: var(--color-text-white); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.bg-light { background-color: var(--color-bg-light); }
.bg-white { background-color: var(--color-bg-white); }
.bg-dark { background-color: var(--color-bg-dark); }

.font-xs { font-size: var(--font-size-xs); }
.font-sm { font-size: var(--font-size-sm); }
.font-base { font-size: var(--font-size-base); }
.font-md { font-size: var(--font-size-md); }
.font-lg { font-size: var(--font-size-lg); }
.font-xl { font-size: var(--font-size-xl); }
.font-2xl { font-size: var(--font-size-2xl); }
.font-3xl { font-size: var(--font-size-3xl); }

.font-normal { font-weight: var(--font-weight-normal); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-bold { font-weight: var(--font-weight-bold); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-base { margin-top: var(--spacing-base); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-base { margin-bottom: var(--spacing-base); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.pt-0 { padding-top: 0; }
.pt-sm { padding-top: var(--spacing-sm); }
.pt-base { padding-top: var(--spacing-base); }
.pt-lg { padding-top: var(--spacing-lg); }
.pt-xl { padding-top: var(--spacing-xl); }
.pt-2xl { padding-top: var(--spacing-2xl); }

.pb-0 { padding-bottom: 0; }
.pb-sm { padding-bottom: var(--spacing-sm); }
.pb-base { padding-bottom: var(--spacing-base); }
.pb-lg { padding-bottom: var(--spacing-lg); }
.pb-xl { padding-bottom: var(--spacing-xl); }
.pb-2xl { padding-bottom: var(--spacing-2xl); }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }
.align-center { align-items: center; }
.align-stretch { align-items: stretch; }
.align-baseline { align-items: baseline; }
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.flex-auto { flex: 0 0 auto; }

/* ===== Header Styles ===== */
.header {
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-base);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  width: 100%;
  height: var(--header-height);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo:hover {
  text-decoration: none;
  color: var(--color-primary-light);
}

.header__logo img {
  height: 40px;
  margin-right: var(--spacing-sm);
}

/* ===== Navigation Styles ===== */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.nav__item {
  position: relative;
}

.nav__link {
  display: block;
  padding: var(--spacing-sm) var(--spacing-base);
  color: var(--color-text);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
}

.nav__link:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav__link--active {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  padding: 0;
  background: none;
  border: none;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background-color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ===== Banner Styles ===== */
.banner {
  position: relative;
  background-color: var(--color-bg-dark);
  overflow: hidden;
}

.banner img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.banner__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(26, 60, 110, 0.7) 0%, rgba(15, 36, 68, 0.5) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.banner__content {
  text-align: center;
  color: var(--color-text-white);
  padding: var(--spacing-2xl);
}

.banner__title {
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-base);
  color: var(--color-text-white);
}

.banner__subtitle {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

/* ===== Main Content Layout ===== */
.main-content {
  flex: 1;
  padding: var(--spacing-2xl) 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.content-wrapper--full {
  grid-template-columns: 1fr;
}

.content-wrapper--sidebar-right {
  grid-template-columns: 1fr var(--sidebar-width);
}

/* ===== Sidebar Styles ===== */
.sidebar {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
}

.sidebar__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-base);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.sidebar__menu {
  list-style: none;
}

.sidebar__menu-item {
  border-bottom: 1px solid var(--color-border-light);
}

.sidebar__menu-item:last-child {
  border-bottom: none;
}

.sidebar__menu-link {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.sidebar__menu-link:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-sm);
  text-decoration: none;
}

/* ===== Content Area Styles ===== */
.content-area {
  background-color: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
}

.content-area__header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-base);
  border-bottom: 1px solid var(--color-border-light);
}

.content-area__title {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.content-area__breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.content-area__breadcrumb a {
  color: var(--color-text-light);
}

.content-area__breadcrumb a:hover {
  color: var(--color-primary);
}

.content-area__separator {
  margin: 0 var(--spacing-xs);
  color: var(--color-border);
}

/* ===== Product List Styles (lists_tags.htm) ===== */
.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.product-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--color-bg-light);
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-white);
  border-radius: var(--radius-sm);
  z-index: var(--z-base);
}

.product-card__badge--hot {
  background-color: var(--color-secondary);
}

.product-card__badge--new {
  background-color: var(--color-accent);
}

.product-card__badge--sale {
  background-color: var(--color-success);
}

.product-card__body {
  padding: var(--spacing-base);
}

.product-card__title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-heading);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__title a {
  color: var(--color-text);
}

.product-card__title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.product-card__category {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.product-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border-light);
}

.product-card__price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-secondary);
}

.product-card__price--old {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  text-decoration: line-through;
  margin-left: var(--spacing-sm);
}

.product-card__actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* ===== Tag Cloud Styles ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.tag-cloud__item {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.tag-cloud__item:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  text-decoration: none;
}

.tag-cloud__item--lg {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
}

.tag-cloud__item--sm {
  padding: 2px var(--spacing-sm);
  font-size: var(--font-size-xs);
}

/* ===== Article List Styles ===== */
.article-list {
  list-style: none;
}

.article-list__item {
  display: flex;
  gap: var(--spacing-base);
  padding: var(--spacing-base) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.article-list__item:last-child {
  border-bottom: none;
}

.article-list__image {
  flex: 0 0 160px;
  height: 120px;
  overflow: hidden;
  border-radius: var(--radius-base);
}

.article-list__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-list__content {
  flex: 1;
  min-width: 0;
}

.article-list__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
}

.article-list__title a {
  color: var(--color-text);
}

.article-list__title a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.article-list__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.article-list__meta span {
  margin-right: var(--spacing-base);
}

.article-list__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: var(--line-height-base);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Pagination Styles ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-2xl);
}

.pagination__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.pagination__item:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  text-decoration: none;
}

.pagination__item--active {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.pagination__item--disabled {
  color: var(--color-border);
  pointer-events: none;
  cursor: not-allowed;
}

/* ===== Breadcrumb Navigation ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  padding: var(--spacing-sm) 0;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  margin: 0 var(--spacing-sm);
  color: var(--color-border);
}

.b