/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1E88E5;
    --secondary-color: #FF9800;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #E0E0E0;
    --bg-gray: #F5F7FA;
    --bg-white: #FFFFFF;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
    --shadow: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-gray);
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   头部导航
   ========================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    gap: 20px;
}

.logo img {
    height: 50px;
    max-width: 180px;
    object-fit: contain;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-list > li {
    position: relative;
}

.nav-list > li > a {
    padding: 10px 1px;
    display: block;
    font-weight: 500;
    color: var(--text-color);
}

.nav-list > li.active > a,
.nav-list > li:hover > a {
    color: var(--primary-color);
}

.sub-nav {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow);
    min-width: 180px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border-radius: 4px;
    margin-top: 10px;
}

.nav-list > li:hover .sub-nav {
    opacity: 1;
    visibility: visible;
    margin-top: 0;
}

.sub-nav li a {
    padding: 10px 20px;
    display: block;
    color: var(--text-color);
}

.sub-nav li a:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.header-search form {
    display: flex;
    align-items: center;
    background: var(--bg-gray);
    border-radius: 25px;
    padding: 5px 10px;
}

.header-search input {
    border: none;
    background: transparent;
    padding: 8px 15px;
    width: 200px;
    outline: none;
}

.header-search button {
    border: none;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px 10px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: var(--bg-gray);
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* 汉堡菜单动画 */
.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================
   横幅区域
   ========================================== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565C0 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content > p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-search {
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-search form {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 50px;
    padding: 5px 5px 5px 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.hero-search i {
    color: var(--text-light);
    margin-right: 10px;
}

.hero-search input {
    flex: 1;
    border: none;
    padding: 15px 10px;
    font-size: 16px;
    outline: none;
    color: var(--text-color);
}

.hero-search button {
    background: var(--secondary-color);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.hero-search button:hover {
    background: #F57C00;
    transform: translateY(-2px);
}

.quick-tags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.quick-tags span {
    opacity: 0.8;
}

.quick-tags a {
    background: rgba(255,255,255,0.2);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    color: white;
    transition: var(--transition);
}

.quick-tags a:hover {
    background: rgba(255,255,255,0.3);
}

/* ==========================================
   快速入口
   ========================================== */
.quick-entry {
    padding: 60px 0;
    background: var(--bg-white);
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.entry-item {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg-gray);
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.entry-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    background: white;
}

.entry-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), #1565C0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.entry-item h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.entry-item p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.entry-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-block;
}

.entry-link:hover {
    transform: translateX(5px);
}

/* ==========================================
   分类区域
   ========================================== */
.category-section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-title p {
    color: var(--text-light);
    font-size: 16px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.category-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-gray);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.category-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.category-card h3 a {
    color: var(--text-color);
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    min-height: 40px;
}

.category-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.category-info span {
    color: var(--text-light);
    font-size: 14px;
}

.view-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
}

/* ==========================================
   新版分类卡片设计（6个类目）
   ========================================== */
.category-grid-new {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.category-card-new {
    background: var(--bg-white);
    border-radius: 16px;
    padding: 35px 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.category-card-new::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.category-card-new:hover::before {
    transform: scaleX(1);
}

.category-card-new:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(30, 136, 229, 0.15);
}

.category-icon-wrapper {
    margin-bottom: 25px;
}

.category-icon-new {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.category-card-new:hover .category-icon-new {
    transform: scale(1.1) rotate(5deg);
}

.category-content-new h3 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 700;
}

.category-content-new h3 a {
    color: var(--text-color);
    transition: var(--transition);
}

.category-card-new:hover .category-content-new h3 a {
    color: var(--primary-color);
}

.category-desc {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    min-height: 44px;
}

.category-article-list {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
}

.category-article-list li {
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-article-list li::before {
    content: "•";
    color: var(--secondary-color);
    font-weight: 700;
}

.category-article-list a {
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition);
}

.category-article-list a:hover {
    color: var(--primary-color);
}

.category-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.category-count {
    color: var(--text-light);
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-count i {
    color: var(--secondary-color);
}

.category-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.category-link i {
    transition: transform 0.3s ease;
}

.category-card-new:hover .category-link i {
    transform: translateX(5px);
}

/* 渐变色方案（6种配色） */
.category-card-new:nth-child(1) .category-icon-new {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.category-card-new:nth-child(2) .category-icon-new {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.category-card-new:nth-child(3) .category-icon-new {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.category-card-new:nth-child(4) .category-icon-new {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.category-card-new:nth-child(5) .category-icon-new {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

.category-card-new:nth-child(6) .category-icon-new {
    background: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
}

/* ==========================================
   热门问题
   ========================================== */
.hot-questions {
    padding: 60px 0;
    background: var(--bg-white);
}

.hot-questions-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
    align-items: stretch;
}

.hot-main-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #eef2f7 100%);
    border-radius: 18px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.hot-main-media {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 18px;
}

.hot-main-media img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.hot-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: #ff6b6b;
    color: #fff;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(255, 107, 107, 0.35);
}

.hot-main-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    color: var(--primary-color);
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 10px;
}

.hot-main-body h3 {
    font-size: 22px;
    margin-bottom: 10px;
}

.hot-main-body h3 a {
    color: var(--text-color);
}

.hot-main-body h3 a:hover {
    color: var(--primary-color);
}

.hot-main-desc {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 14px;
}

.hot-main-meta {
    display: flex;
    gap: 16px;
    color: #666;
    font-size: 13px;
}

.hot-main-meta i {
    margin-right: 6px;
    color: var(--secondary-color);
}

.hot-list-grid {
    display: grid;
    gap: 16px;
}

.hot-list-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    border-radius: 14px;
    padding: 16px 18px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.hot-list-rank {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, #1E88E5, #64B5F6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

.hot-list-content h4 {
    font-size: 16px;
    margin-bottom: 6px;
    color: var(--text-color);
}

.hot-list-meta {
    display: flex;
    gap: 14px;
    color: #666;
    font-size: 12px;
}

.hot-list-card i.fa-angle-right {
    margin-left: auto;
    color: #b0b0b0;
}

@media (max-width: 1024px) {
    .hot-questions-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hot-main-media img {
        height: 180px;
    }
    
    .hot-list-card {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hot-list-card i.fa-angle-right {
        display: none;
    }
}

/* ==========================================
   最新公告
   ========================================== */
.notice-section {
    padding: 60px 0;
}

.notice-list {
    max-width: 900px;
    margin: 0 auto;
}

.notice-item {
    display: flex;
    gap: 25px;
    background: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.notice-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.notice-date {
    text-align: center;
    min-width: 70px;
}

.notice-date .day {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.notice-date .month {
    display: block;
    font-size: 14px;
    color: var(--text-light);
    margin-top: 5px;
}

.notice-content {
    flex: 1;
}

.notice-content h4 {
    font-size: 18px;
    margin-bottom: 10px;
}

.notice-content h4 a {
    color: var(--text-color);
}

.notice-content p {
    color: var(--text-light);
    font-size: 14px;
}

/* ==========================================
   CTA区域
   ========================================== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1565C0 100%);
    color: white;
}

.cta-content {
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: #F57C00;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border-color: white;
    color: white;
}

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

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-lg {
    padding: 18px 50px;
    font-size: 18px;
}

/* ==========================================
   面包屑
   ========================================== */
.breadcrumb {
    background: var(--bg-white);
    padding: 15px 0;
    font-size: 14px;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--text-light);
    margin-right: 8px;
}

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

.breadcrumb i {
    margin-right: 5px;
}

/* ==========================================
   主内容区域
   ========================================== */
.main-content {
    padding: 40px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

/* 列表页布局增强 */
.list-layout {
    align-items: start;
}

.list-sidebar .widget-card {
    background: var(--bg-white);
    padding: 22px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 22px;
}

.widget-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 14px;
}

.widget-sub {
    color: var(--text-light);
    font-size: 12px;
}

.list-main {
    background: var(--bg-white);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.list-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.list-hero-text .list-title {
    font-size: 28px;
    margin-bottom: 8px;
}

.list-hero-text .list-desc {
    color: var(--text-light);
}

.list-hero-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.list-count {
    background: var(--bg-gray);
    color: var(--text-color);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.list-cards .question-card {
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px dashed var(--border-color);
}

.list-cards .question-card:last-child {
    border-bottom: none;
}

.question-left {
    display: flex;
    justify-content: center;
}

.question-badge {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, #1E88E5, #64B5F6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 18px rgba(30, 136, 229, 0.25);
}

.list-cards .question-title a {
    color: var(--text-color);
}

.list-cards .question-summary {
    color: var(--text-light);
}

.list-cards .question-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.list-cards .question-stats {
    color: var(--text-light);
}

.list-cards .question-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.list-cards .question-card:hover .question-arrow {
    background: var(--primary-color);
    color: #fff;
}

@media (max-width: 1024px) {
    .list-hero {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .list-hero-actions {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .list-main {
        padding: 20px;
    }
    
    .list-cards .question-card {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .question-left {
        justify-content: flex-start;
    }
}

.widget-title {
    font-size: 18px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.category-menu {
    list-style: none;
}

.category-menu > li {
    margin-bottom: 10px;
}

.category-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    background: var(--bg-gray);
    border-radius: 8px;
    color: var(--text-color);
    transition: var(--transition);
}

.category-menu > li.active > a,
.category-menu > li > a:hover {
    background: var(--primary-color);
    color: white;
}

.category-menu .count {
    font-size: 12px;
    opacity: 0.8;
}

.sub-category {
    list-style: none;
    margin-top: 10px;
    padding-left: 20px;
}

.sub-category li {
    margin-bottom: 8px;
}

.sub-category li a {
    display: block;
    padding: 8px 12px;
    color: var(--text-light);
    border-left: 2px solid var(--border-color);
}

.sub-category li.active a,
.sub-category li a:hover {
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.hot-list,
.related-list {
    list-style: none;
}

.hot-list li,
.related-list li {
    margin-bottom: 12px;
}

.hot-list li a,
.related-list li a {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-color);
    font-size: 14px;
    line-height: 1.6;
}

.hot-list li a:hover,
.related-list li a:hover {
    color: var(--primary-color);
}

.hot-num {
    width: 22px;
    height: 22px;
    background: var(--bg-gray);
    color: var(--text-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.contact-widget .contact-box {
    text-align: center;
}

.contact-box p {
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 14px;
}

/* 内容主体 */
.content-main {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.list-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.list-title {
    font-size: 32px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.list-desc {
    color: var(--text-light);
    margin-bottom: 20px;
}

.list-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.filter-buttons {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 14px;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.questions-list-page .question-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.questions-list-page .question-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.question-main {
    flex: 1;
}

.question-title {
    font-size: 20px;
    margin-bottom: 10px;
}

.question-title a {
    color: var(--text-color);
}

.question-summary {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.8;
}

.question-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.question-tags .tag {
    background: var(--bg-gray);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-light);
}

.question-stats {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--text-light);
}

.question-arrow {
    display: flex;
    align-items: center;
    color: var(--text-light);
    font-size: 24px;
}

/* ==========================================
   文章详情
   ========================================== */
.article-detail {
    margin-bottom: 40px;
}

.article-card {
    background: var(--bg-white);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 28px;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.article-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-gray);
    color: var(--text-light);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    margin-bottom: 12px;
}

.article-title {
    font-size: 32px;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--text-light);
}

.meta-item {
    background: var(--bg-gray);
    padding: 6px 12px;
    border-radius: 999px;
}

.meta-item i {
    margin-right: 6px;
}

.article-body {
    font-size: 16px;
    line-height: 2;
    color: var(--text-color);
}

.article-body p {
    margin-bottom: 20px;
}

.article-body img {
    max-width: 100%;
    margin: 20px 0;
    border-radius: 8px;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    margin: 30px 0 15px;
    color: var(--text-color);
}

.article-body ul,
.article-body ol {
    margin: 15px 0;
    padding-left: 30px;
}

.article-body li {
    margin-bottom: 10px;
}

.article-tags {
    margin: 30px 0;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.article-tags i {
    color: var(--text-light);
}

.article-tags a {
    background: var(--bg-gray);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-color);
}

.article-tags a:hover {
    background: var(--primary-color);
    color: white;
}

.article-feedback {
    text-align: center;
    padding: 30px;
    background: var(--bg-gray);
    border-radius: 14px;
    margin: 30px 0;
}

.article-feedback p {
    font-size: 18px;
    margin-bottom: 20px;
}

.question-collect {
    margin: 30px 0;
    padding: 26px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, #f8fbff 0%, #ffffff 100%);
}

.collect-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.collect-head h3 {
    font-size: 20px;
    margin-bottom: 6px;
}

.collect-head p {
    color: var(--text-light);
    font-size: 14px;
}

.collect-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.collect-form .form-group {
    margin-bottom: 16px;
}

.collect-form label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--text-light);
}

.collect-form input,
.collect-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    font-size: 14px;
    background: white;
    transition: var(--transition);
}

.collect-form input:focus,
.collect-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.12);
}

.collect-form .captcha-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.collect-form .captcha-img {
    height: 44px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.collect-form .required {
    color: var(--danger-color);
}

@media (max-width: 768px) {
    .collect-head {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .collect-form .form-row {
        grid-template-columns: 1fr;
    }
}

.feedback-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-feedback {
    padding: 12px 30px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 50px;
    cursor: pointer;
    font-size: 15px;
    transition: var(--transition);
}

.btn-feedback:hover {
    transform: translateY(-2px);
}

.btn-feedback.helpful:hover {
    border-color: var(--success-color);
    color: var(--success-color);
}

.btn-feedback.not-helpful:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 30px 0;
}

.nav-item {
    padding: 20px;
    background: var(--bg-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--primary-color);
    color: white;
}

.nav-label {
    display: block;
    font-size: 13px;
    margin-bottom: 8px;
    opacity: 0.8;
}

.nav-item a {
    font-size: 15px;
    font-weight: 500;
}

.related-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 2px solid var(--border-color);
}

.section-subtitle {
    font-size: 24px;
    margin-bottom: 25px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.related-card {
    padding: 20px;
    background: var(--bg-gray);
    border-radius: 8px;
    transition: var(--transition);
}

.related-card:hover {
    background: white;
    box-shadow: var(--shadow);
}

.related-card h4 {
    font-size: 16px;
    margin-bottom: 10px;
}

.related-card h4 a {
    color: var(--text-color);
}

.related-card p {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 10px;
}

.card-footer {
    font-size: 13px;
    color: var(--text-light);
}

/* ==========================================
   单页内容
   ========================================== */
.single-page .page-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.page-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

.page-title {
    font-size: 36px;
    margin-bottom: 15px;
}

.page-meta {
    display: flex;
    gap: 20px;
    justify-content: center;
    font-size: 14px;
    color: var(--text-light);
}

.page-body {
    font-size: 16px;
    line-height: 2;
}

/* ==========================================
   留言页面
   ========================================== */
.message-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.message-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.message-info h2 {
    font-size: 28px;
    margin-bottom: 15px;
}

.message-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.detail-item {
    display: flex;
    gap: 20px;
}

.detail-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-gray);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.detail-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.detail-content p {
    color: var(--text-light);
    font-size: 14px;
}

.message-form {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.message-form h3 {
    font-size: 24px;
    margin-bottom: 30px;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.required {
    color: var(--danger-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.captcha-group {
    display: flex;
    gap: 15px;
    align-items: center;
}

.captcha-group input {
    flex: 1;
}

.captcha-img {
    height: 45px;
    cursor: pointer;
    border-radius: 4px;
}

/* ==========================================
   搜索结果页
   ========================================== */
.search-result-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.search-box {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.search-box form {
    display: flex;
    gap: 15px;
}

.search-box input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 16px;
    transition: var(--transition);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box button {
    padding: 15px 40px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background: #1565C0;
}

.search-info {
    background: var(--bg-white);
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.search-info h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

.search-info p {
    color: var(--text-light);
}

.highlight {
    color: var(--primary-color);
    font-weight: 700;
}

.search-results {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.search-item {
    padding: 25px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.search-title {
    font-size: 20px;
    margin-bottom: 10px;
}

.search-title a {
    color: var(--text-color);
}

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

.search-desc {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 12px;
}

.search-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.no-result {
    background: var(--bg-white);
    padding: 80px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    text-align: center;
}

.no-result-icon {
    font-size: 80px;
    color: var(--border-color);
    margin-bottom: 20px;
}

.no-result h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.no-result > p {
    color: var(--text-light);
    font-size: 16px;
    margin-bottom: 30px;
}

.no-result-tips {
    background: var(--bg-gray);
    padding: 30px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.no-result-tips p {
    font-weight: 600;
    margin-bottom: 15px;
}

.no-result-tips ul {
    list-style-position: inside;
    color: var(--text-light);
}

.no-result-tips li {
    margin-bottom: 8px;
}

.no-result-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.search-recommend {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.search-recommend h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.recommend-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.recommend-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: var(--bg-gray);
    border-radius: 8px;
    color: var(--text-color);
    transition: var(--transition);
}

.recommend-item a:hover {
    background: var(--primary-color);
    color: white;
}

/* ==========================================
   分页
   ========================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 10px 18px;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    transition: var(--transition);
}

.pagination a:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination .active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ==========================================
   底部
   ========================================== */
.footer {
    background: #2C3E50;
    color: white;
    padding: 60px 0 0;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: white;
    padding-left: 5px;
}

.contact-info p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 12px;
    font-size: 14px;
}

.contact-info i {
    margin-right: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    margin-bottom: 5px;
}

.footer-bottom a {
    color: rgba(255,255,255,0.8);
}

.footer-bottom a {
    color: rgba(255,255,255,0.8);
}

        /* 统计代码容器样式 - 关键部分 */
        .site-statistical2 {
            margin-top: 10px;
            /* 以下样式确保统计图标居中且与其他元素保持适当距离 */
            display: flex;
            justify-content: center;
            align-items: center;
        }
        /* 统计图标本身的样式（可选） */
        .site-statistical2 img {
            border: 0;
            vertical-align: middle;
        }

/* ==========================================
   返回顶部
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: #1565C0;
    transform: translateY(-5px);
}

/* ==========================================
   悬浮客服
   ========================================== */
.float-service {
    position: fixed;
    right: 30px;
    bottom: 150px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.service-item {
    width: 50px;
    height: 50px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--primary-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-item:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* ==========================================
   响应式设计
   ========================================== */

/* 大屏幕微调 (1280px - 1440px) */
@media (max-width: 1440px) {
    .container {
        max-width: 1140px;
    }
    
    .nav-list {
        gap: 20px;
    }
}

/* 中等屏幕 - 启用汉堡菜单 (1200px 以下) */
@media (max-width: 1200px) {
    /* 显示移动端切换按钮 */
    .mobile-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        padding: 10px;
    }
    
    .mobile-toggle span {
        width: 25px;
        height: 3px;
        background: var(--text-color);
        transition: var(--transition);
        border-radius: 2px;
    }
    
    /* 隐藏桌面导航 */
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 280px;
        height: calc(100vh - 80px);
        background: var(--bg-white);
        box-shadow: var(--shadow-hover);
        transition: left 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav.show {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
    }
    
    .nav-list > li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-list > li > a {
        padding: 15px 25px;
        display: block;
        font-size: 15px;
    }
    
    .sub-nav {
        position: static;
        box-shadow: none;
        background: var(--bg-gray);
        margin: 0;
        padding: 10px 0;
        opacity: 1;
        visibility: visible;
        display: none;
    }
    
    .nav-list > li:hover .sub-nav {
        display: block;
    }
    
    .sub-nav li {
        border-bottom: none;
    }
    
    .sub-nav li a {
        padding: 10px 25px 10px 45px;
        font-size: 14px;
    }
    
    /* 隐藏头部搜索 */
    .header-search {
        display: none;
    }
    
    /* Logo 调整 */
    .logo img {
        height: 45px;
        max-width: 160px;
    }
    
    /* 添加遮罩层 */
    .nav-overlay {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 998;
    }
    
    .nav-overlay.show {
        opacity: 1;
        visibility: visible;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 新版分类卡片响应式 */
    .category-grid-new {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 32px;
    }
    
    .hero-content > p {
        font-size: 16px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav,
    .header-search {
        display: none;
    }
    
    .category-grid,
    .entry-grid {
        grid-template-columns: 1fr;
    }
    
    /* 新版分类卡片响应式 */
    .category-grid-new {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-card-new {
        padding: 30px 25px;
    }
    
    .message-wrapper {
        grid-template-columns: 1fr;
    }
    
    .related-grid,
    .recommend-grid {
        grid-template-columns: 1fr;
    }
    
    .article-nav {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .content-main {
        padding: 20px;
    }
    
    .single-page .page-content {
        padding: 30px 20px;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-search button {
        padding: 15px 25px;
    }
    
    .cta-content h2,
    .section-title h2 {
        font-size: 24px;
    }
    
    .list-title,
    .article-title {
        font-size: 24px;
    }
    
    .question-card {
        flex-direction: column;
    }
    
    .float-service,
    .back-to-top {
        right: 15px;
    }
}

/* 快递快速导航单页 */
.express-page {
    padding: 30px 0 60px;
}

.express-hero {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    align-items: start;
}

.express-card,
.express-result,
.express-extra,
.tips-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.08);
}

.express-card {
    padding: 30px;
}

.express-header .page-title {
    margin: 0;
    font-size: 28px;
    color: #0f172a;
}

.express-subtitle {
    margin-top: 8px;
    color: #5f6b7a;
}

.express-form {
    margin-top: 20px;
}

.express-inputs {
    display: grid;
    grid-template-columns: 160px 1fr 140px;
    gap: 12px;
}

.express-inputs select,
.express-inputs input {
    height: 50px;
    border: 1px solid #e0e7ef;
    border-radius: 12px;
    padding: 0 14px;
    font-size: 15px;
    color: #1f2937;
}

.express-inputs select:focus,
.express-inputs input:focus {
    outline: none;
    border-color: #1e88e5;
    box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.15);
}

.express-submit {
    height: 50px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #1e88e5, #42a5f5);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.express-submit:disabled {
    background: #90caf9;
    cursor: not-allowed;
}

.express-help {
    margin-top: 10px;
    color: #8a94a6;
    font-size: 13px;
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.express-quick {
    margin-top: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.express-quick-btn {
    background: #f1f5f9;
    border: none;
    color: #334155;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.express-quick-btn:hover {
    background: #e2e8f0;
}

.express-quick-btn.active {
    background: #1e88e5;
    color: #fff;
}

.express-tips {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tips-card {
    padding: 24px;
}

.tips-card h3 {
    margin: 0 0 12px;
    font-size: 16px;
    color: #0f172a;
}

.tips-card ul {
    margin: 0;
    padding-left: 18px;
    color: #5f6b7a;
    line-height: 1.7;
}

.tips-card-light {
    background: #f8fafc;
    border: 1px dashed #e2e8f0;
}

.express-result {
    margin-top: 28px;
    padding: 24px;
}

.express-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.express-result-header h2 {
    margin: 0;
    font-size: 20px;
    color: #0f172a;
}

.express-status {
    font-size: 13px;
    color: #1e88e5;
    background: #e3f2fd;
    padding: 4px 12px;
    border-radius: 999px;
}

.result-empty,
.result-loading,
.result-error {
    color: #8a94a6;
    text-align: center;
    padding: 24px 0;
}

.result-error {
    color: #ef4444;
}

.express-timeline {
    margin-top: 8px;
}

.express-item {
    position: relative;
    padding: 12px 0 12px 18px;
    border-left: 2px solid #e4ecf4;
}

.express-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 18px;
    width: 12px;
    height: 12px;
    background: #90a4ae;
    border-radius: 50%;
}

.express-item.is-latest::before {
    background: #ff9800;
    box-shadow: 0 0 0 4px rgba(255, 152, 0, 0.15);
}

.express-item time {
    display: block;
    color: #94a3b8;
    font-size: 12px;
}

.express-item p {
    margin: 4px 0 0;
    color: #334155;
}

.express-extra {
    margin-top: 24px;
    padding: 24px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

@media (max-width: 992px) {
    .express-hero {
        grid-template-columns: 1fr;
    }

    .express-inputs {
        grid-template-columns: 1fr;
    }

    .express-submit {
        width: 100%;
    }
}