/* ==========================================================================
   同城生活网 (TC-Life) - 分类信息门户样式表
   设计主题："Elegant Dark" 典雅深色调 (暗黑奢华底色、暖金高光、紧凑高密度排版)
   ========================================================================== */

:root {
  --primary-color: #FFB347;
  --primary-hover: #FFA520;
  --primary-light: rgba(255, 179, 71, 0.12);
  --secondary-color: #64B5F6;
  --accent-red: #FF6B6B;
  --accent-green: #4EAE67;
  --accent-orange: #FFB347;
  --text-main: #E0E0E0;
  --text-muted: #8E8E93;
  --text-light: #6C6C75;
  --border-color: #2A2A2E;
  --border-dark: #3A3A3F;
  --bg-main: #0F0F11;
  --bg-card: #16161A;
  --bg-input: #2A2A2E;
  --shadow-sm: 0 2px 6px rgba(0,0,0,0.4);
  --shadow-md: 0 6px 18px rgba(0,0,0,0.6);
  --radius-sm: 4px;
  --radius-md: 8px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--text-main);
  background-color: var(--bg-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text-main);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

ul, ol {
  list-style: none;
}

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

/* 布局容器 */
.container {
  width: 1180px;
  margin: 0 auto;
  padding: 0 10px;
}

/* 顶部通栏工具条 */
.top-bar {
  background-color: #121215;
  color: #8E8E93;
  font-size: 12px;
  height: 32px;
  line-height: 32px;
  border-bottom: 1px solid var(--border-color);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar a {
  color: #8E8E93;
}

.top-bar a:hover {
  color: #FFFFFF;
}

.city-select-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background-color: #2A2A2E;
  color: #FFFFFF !important;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  margin-left: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s, color 0.2s;
}

.city-select-btn:hover {
  background-color: var(--primary-color);
  color: #000000 !important;
}

.top-bar-nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

.top-bar-nav li {
  display: flex;
  align-items: center;
}

.top-bar-nav .divider {
  color: #3A3A3F;
}

/* 主头部 & 搜索区 */
.main-header {
  background-color: var(--bg-card);
  padding: 20px 0;
  border-bottom: 2px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-color), #FFA520);
  color: #000000;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  box-shadow: 0 3px 8px rgba(255,179,71,0.25);
}

.logo-text h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.logo-text p {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.header-search {
  flex: 1;
  max-width: 620px;
}

.search-form {
  display: flex;
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--bg-input);
}

.search-cat-select {
  border: none;
  background-color: #1C1C21;
  padding: 0 12px;
  font-size: 13px;
  color: var(--text-main);
  border-right: 1px solid var(--border-color);
  cursor: pointer;
}

.search-input {
  flex: 1;
  border: none;
  padding: 10px 14px;
  font-size: 14px;
  background-color: var(--bg-input);
  color: #FFFFFF;
}

.search-input::placeholder {
  color: #6C6C75;
}

.search-btn {
  background-color: var(--primary-color);
  color: #000000;
  border: none;
  padding: 0 24px;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.2s;
}

.search-btn:hover {
  background-color: var(--primary-hover);
}

.hot-keywords {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-light);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hot-keywords a {
  color: var(--text-muted);
}

.hot-keywords a.hot {
  color: var(--primary-color);
  font-weight: 500;
}

.post-ad-btn {
  background: linear-gradient(to bottom, #FFB347, #FFA520);
  color: #000000 !important;
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 3px 10px rgba(255,179,71,0.25);
  transition: transform 0.15s, box-shadow 0.15s;
}

.post-ad-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(255,179,71,0.35);
}

/* 主导航条 */
.main-nav-bar {
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
}

.nav-list {
  display: flex;
  gap: 2px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-bottom: 3px solid transparent;
}

.nav-link.active,
.nav-link:hover {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background-color: var(--primary-light);
}

/* 面包屑导航 */
.breadcrumb {
  padding: 12px 0;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: var(--text-muted);
}

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

.breadcrumb .sep {
  color: #4A4A50;
}

.breadcrumb strong {
  color: var(--text-main) !important;
}

/* 首页分类面板 */
.cat-board {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-top: 15px;
  box-shadow: var(--shadow-sm);
}

.cat-board-header {
  background-color: #1C1C21;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cat-board-header h2 {
  font-size: 16px;
  font-weight: bold;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  divide-x: 1px solid var(--border-color);
}

.cat-block {
  padding: 18px 16px;
  border-right: 1px solid var(--border-color);
}

.cat-block:last-child {
  border-right: none;
}

.cat-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #2A2A2E;
}

.cat-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #000;
  font-weight: bold;
}

.cat-icon.house { background-color: #FFB347; }
.cat-icon.jobs { background-color: #4EAE67; }
.cat-icon.flea { background-color: #64B5F6; }
.cat-icon.car { background-color: #FF6B6B; }
.cat-icon.service { background-color: #BA68C8; }

.cat-title-row h3 {
  font-size: 15px;
  font-weight: bold;
  color: var(--text-main);
}

.cat-sub-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  font-size: 13px;
}

.cat-sub-list a {
  color: #B0B0B8;
  display: inline-block;
  padding: 2px 0;
}

.cat-sub-list a.hot {
  color: var(--primary-color);
  font-weight: 500;
}

.cat-sub-list a:hover {
  color: var(--primary-color);
}

.cat-more {
  margin-top: 10px;
  text-align: right;
  font-size: 12px;
}

.cat-more a {
  color: var(--secondary-color);
}

/* 信息列表主体 & 侧边栏双栏 */
.layout-columns {
  display: grid;
  grid-template-columns: 870px 290px;
  gap: 20px;
  margin-top: 15px;
  margin-bottom: 30px;
}

.main-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 20px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.side-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.side-card-title {
  font-size: 15px;
  font-weight: bold;
  color: var(--text-main);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 筛选矩阵 (列表页) */
.filter-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 15px;
  box-shadow: var(--shadow-sm);
}

.filter-row {
  display: flex;
  padding: 8px 0;
  border-bottom: 1px dashed #2A2A2E;
  font-size: 13px;
}

.filter-row:last-child {
  border-bottom: none;
}

.filter-label {
  width: 80px;
  color: var(--text-muted);
  font-weight: 500;
  padding-top: 3px;
}

.filter-options {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.filter-opt {
  padding: 3px 8px;
  border-radius: 3px;
  color: #B0B0B8;
  cursor: pointer;
  transition: all 0.15s ease;
}

.filter-opt.active,
.filter-opt:hover {
  background-color: var(--primary-color);
  color: #000000 !important;
  font-weight: bold;
}

.filter-custom-price {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 10px;
}

.filter-custom-price input {
  width: 60px;
  padding: 2px 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  border-radius: 2px;
  text-align: center;
  font-size: 12px;
}

.filter-custom-price button {
  background-color: #2A2A2E;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 12px;
  cursor: pointer;
}

.filter-custom-price button:hover {
  background-color: var(--primary-color);
  color: #000000;
}

/* 排序与视图 */
.sort-bar {
  background-color: #1C1C21;
  border: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  font-size: 13px;
}

.sort-group {
  display: flex;
  gap: 12px;
  align-items: center;
}

.sort-item {
  color: #B0B0B8;
  padding: 4px 10px;
  background-color: #2A2A2E;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
}

.sort-item.active {
  background-color: var(--primary-color);
  color: #000000;
  border-color: var(--primary-color);
  font-weight: bold;
}

/* 信息卡片列表 */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.item-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-card);
  transition: border-color 0.2s, box-shadow 0.2s;
  position: relative;
}

.item-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.item-thumb {
  width: 140px;
  height: 105px;
  border-radius: 4px;
  object-fit: cover;
  background-color: #2A2A2E;
  flex-shrink: 0;
}

.item-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.item-title-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.item-title {
  font-size: 16px;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 1.4;
}

.item-title:hover {
  color: var(--primary-color);
}

.badge {
  display: inline-block;
  padding: 1px 6px;
  font-size: 11px;
  border-radius: 2px;
  font-weight: bold;
  white-space: nowrap;
}

.badge-urgent {
  background-color: rgba(255, 107, 107, 0.15);
  color: #FF6B6B;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.badge-sticky {
  background-color: rgba(255, 179, 71, 0.15);
  color: #FFB347;
  border: 1px solid rgba(255, 179, 71, 0.3);
}

.badge-verify {
  background-color: rgba(78, 174, 103, 0.15);
  color: #4EAE67;
  border: 1px solid rgba(78, 174, 103, 0.3);
}

.badge-personal {
  background-color: rgba(100, 181, 246, 0.15);
  color: #64B5F6;
  border: 1px solid rgba(100, 181, 246, 0.3);
}

.item-meta {
  display: flex;
  gap: 20px;
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.item-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.item-tag-chip {
  font-size: 11px;
  background-color: #2A2A2E;
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 2px;
}

.item-price-col {
  width: 160px;
  text-align: right;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}

.item-price {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-color);
}

.item-price span {
  font-size: 12px;
  font-weight: normal;
}

.item-time {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-contact-item {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  padding: 6px 12px;
  border-radius: 3px;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
}

.btn-contact-item:hover {
  background-color: var(--primary-color);
  color: #000000;
}

/* 分页器 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 25px;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background-color: #2A2A2E;
  border-radius: 3px;
  color: var(--text-main);
  font-size: 13px;
  cursor: pointer;
}

.page-btn.active {
  background-color: var(--primary-color);
  color: #000000;
  border-color: var(--primary-color);
  font-weight: bold;
}

.page-btn:hover:not(.active) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* 详情页样式 */
.detail-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  margin-bottom: 20px;
}

.detail-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.detail-title {
  font-size: 22px;
  font-weight: bold;
  color: #FFFFFF;
}

.detail-sub-meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 20px;
}

.detail-main-grid {
  display: grid;
  grid-template-columns: 450px 1fr;
  gap: 25px;
  margin-bottom: 30px;
}

.gallery-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gallery-main-img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
}

.thumb-item {
  width: 75px;
  height: 60px;
  border-radius: 4px;
  object-fit: cover;
  border: 2px solid transparent;
  cursor: pointer;
}

.thumb-item.active {
  border-color: var(--primary-color);
}

.detail-attrs-box {
  background-color: #1C1C21;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.price-banner {
  background: rgba(255, 179, 71, 0.12);
  border: 1px solid rgba(255, 179, 71, 0.3);
  padding: 12px 16px;
  border-radius: 4px;
  margin-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.big-price {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-color);
}

.big-price span {
  font-size: 14px;
  font-weight: normal;
}

.attr-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 20px;
  font-size: 13px;
  margin-bottom: 20px;
}

.attr-item {
  display: flex;
}

.attr-key {
  color: var(--text-muted);
  width: 75px;
}

.attr-val {
  color: var(--text-main);
  font-weight: 500;
}

.phone-action-box {
  background-color: var(--bg-card);
  border: 2px solid var(--primary-color);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(255,179,71,0.15);
}

.phone-num-display {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.btn-reveal-phone {
  background-color: var(--primary-color);
  color: #000000;
  border: none;
  padding: 12px 28px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.2s;
}

.btn-reveal-phone:hover {
  background-color: var(--primary-hover);
}

.safety-notice {
  margin-top: 10px;
  font-size: 12px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

/* 详情描述段落 */
.section-block {
  margin-top: 25px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.section-title {
  font-size: 17px;
  font-weight: bold;
  color: #FFFFFF;
  margin-bottom: 15px;
  padding-left: 10px;
  border-left: 4px solid var(--primary-color);
}

.desc-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-main);
  white-space: pre-line;
}

/* 发布信息表单页 */
.post-form-box {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  display: flex;
  margin-bottom: 22px;
  align-items: flex-start;
}

.form-label {
  width: 120px;
  font-size: 14px;
  font-weight: bold;
  color: var(--text-main);
  padding-top: 8px;
  text-align: right;
  padding-right: 15px;
}

.form-label.required::before {
  content: "* ";
  color: var(--accent-red);
}

.form-control-wrap {
  flex: 1;
  max-width: 650px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border-dark);
  background-color: var(--bg-input);
  color: #FFFFFF;
  border-radius: 4px;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255,179,71,0.2);
}

.upload-grid {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.upload-box {
  width: 100px;
  height: 100px;
  border: 2px dashed var(--border-dark);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  background-color: var(--bg-input);
  transition: border-color 0.2s;
}

.upload-box:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.upload-preview-item {
  width: 100px;
  height: 100px;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.upload-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-preview-item .btn-remove-img {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
}

.btn-submit-post {
  background-color: var(--primary-color);
  color: #000000;
  border: none;
  padding: 12px 36px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(255,179,71,0.25);
  transition: background-color 0.2s;
}

.btn-submit-post:hover {
  background-color: var(--primary-hover);
}

/* 会员中心 */
.user-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 20px;
  margin-top: 20px;
  margin-bottom: 30px;
}

.user-sidebar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 15px 0;
  box-shadow: var(--shadow-sm);
}

.user-menu-group-title {
  padding: 8px 20px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: bold;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-main);
  font-size: 14px;
  border-left: 3px solid transparent;
}

.user-menu-item.active, .user-menu-item:hover {
  background-color: var(--primary-light);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  font-weight: bold;
}

.user-main-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.user-header-info {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
}

.user-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-color);
}

/* 登录 & 注册页 */
.auth-container {
  width: 440px;
  margin: 40px auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 35px 30px;
  box-shadow: var(--shadow-md);
}

.auth-header {
  text-align: center;
  margin-bottom: 25px;
}

.auth-tabs {
  display: flex;
  border-bottom: 2px solid var(--border-color);
  margin-bottom: 25px;
}

.auth-tab-item {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 16px;
  font-weight: bold;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
}

.auth-tab-item.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.btn-auth-submit {
  width: 100%;
  padding: 12px;
  background-color: var(--primary-color);
  color: #000000;
  border: none;
  border-radius: 4px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 15px;
  transition: background-color 0.2s;
}

.btn-auth-submit:hover {
  background-color: var(--primary-hover);
}

/* 城市选择弹窗 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 520px;
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 15px;
}

.city-item {
  padding: 8px;
  text-align: center;
  background-color: #2A2A2E;
  color: var(--text-main);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s;
}

.city-item:hover {
  background-color: var(--primary-color);
  color: #000000;
  font-weight: bold;
}