/* =============================================
   common.css — 全局公共样式
   包含：CSS变量、reset、基础排版、通用组件
   ============================================= */

/* ---------- CSS 变量 ---------- */
:root {
  /* 品牌色 */
  --color-primary:       #e31e24;
  --color-primary-hover: #c51a1f;
  --color-primary-active:#a81519;

  /* 文字色 */
  --color-text-dark:   #1a1a1a;
  --color-text-body:   #333333;
  --color-text-muted:  #666666;
  --color-text-hint:   #999999;
  --color-text-placeholder: rgba(51, 51, 51, 0.5);
  --color-text-white:  #ffffff;

  /* 边框 / 背景 */
  --color-border:      #dddddd;
  --color-bg-white:    #ffffff;
  --color-bg-page:     #ffffff;

  /* 字体 */
  --font-family:       'Roboto', 'Noto Sans', sans-serif;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;

  /* 阴影 */
  --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.06);

  /* 动画 */
  --transition-base: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-body);
  background-color: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
  background: transparent;
}

img,
svg {
  display: block;
  max-width: 100%;
}

ul,
ol {
  list-style: none;
}

/* ---------- 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-sm);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: background-color var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base);
  border: none;
  width: 100%;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(227, 30, 36, 0.35);
}

.btn-primary:active {
  background-color: var(--color-primary-active);
  transform: translateY(1px);
  box-shadow: none;
}

/* ---------- 通用链接 ---------- */
.link {
  color: var(--color-primary);
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.link:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* ---------- 工具类 ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ---------- 全站顶部导航统一 ---------- */
.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
  width: 100% !important;
}

.header-top {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 60px !important;
  height: 72px !important;
  background: var(--color-text-dark) !important;
  gap: 24px !important;
}

.header-nav {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  padding: 0 60px !important;
  height: 52px !important;
  background: var(--color-text-dark) !important;
}

.nav-link {
  font-size: 18px !important;
  font-weight: 600 !important;
  color: #fff !important;
}

.btn-vehicle {
  height: 40px !important;
  padding: 0 20px !important;
  background: var(--color-primary) !important;
  color: #fff !important;
}

/* ---------- Header 图标显示统一 ---------- */
.site-header .header-actions .action-icon-btn > img {
  width: 24px !important;
  height: 24px !important;
  object-fit: contain !important;
  filter: brightness(0) invert(1) !important;
}

.site-header .header-actions .header-user > .user-avatar {
  width: 24px !important;
  height: 24px !important;
  border-radius: 50% !important;
  overflow: hidden !important;
  object-fit: cover !important;
  filter: none !important;
}

.site-header .header-actions .header-user > .chevron-down-svg {
  width: 16px !important;
  height: 16px !important;
  object-fit: contain !important;
  filter: brightness(0) invert(1) !important;
}

@media (max-width: 1200px) {
  .header-top,
  .header-nav {
    padding: 0 24px !important;
  }
}

@media (max-width: 768px) {
  .header-top,
  .header-nav {
    padding: 0 16px !important;
  }
}

/* ---------- 个人中心侧栏状态统一 ---------- */
.personal-sidebar__item:not(.personal-sidebar__item--active) .personal-sidebar__item-icon,
.per-sidebar__item:not(.per-sidebar__item--active) .per-sidebar__item-icon {
  color: #999 !important;
  filter: brightness(0) saturate(0%) invert(60%) !important;
}

.personal-sidebar__item:not(.personal-sidebar__item--active) .personal-sidebar__item-label,
.personal-sidebar__item:not(.personal-sidebar__item--active) .personal-sidebar__item-arrow,
.per-sidebar__item:not(.per-sidebar__item--active) .per-sidebar__item-label,
.per-sidebar__item:not(.per-sidebar__item--active) .per-sidebar__item-arrow {
  color: #999 !important;
}

.personal-sidebar__item--active .personal-sidebar__item-icon,
.personal-sidebar__item--active .personal-sidebar__item-label,
.personal-sidebar__item--active .personal-sidebar__item-arrow,
.per-sidebar__item--active .per-sidebar__item-icon,
.per-sidebar__item--active .per-sidebar__item-label,
.per-sidebar__item--active .per-sidebar__item-arrow {
  color: var(--color-primary) !important;
}

.personal-sidebar__item--active img.personal-sidebar__item-icon,
.per-sidebar__item--active img.per-sidebar__item-icon {
  filter: brightness(0) saturate(100%) invert(16%) sepia(93%) saturate(3911%) hue-rotate(349deg) brightness(92%) contrast(96%) !important;
}