/* ============================================
   广西大德项目管理有限公司官网 - 前台主样式
   主色调: 绿色 (#1a5f2a)
   设计风格: 现代商务简约
   ============================================ */

/* ========== CSS变量定义 ========== */
:root {
    --primary-color: #1a5f2a;
    --primary-dark: #155222;
    --primary-light: #2d8a47;
    --secondary-color: #2d7a3e;
    --accent-color: #ffc107;
    --text-color: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e8e8e8;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

/* ========== 全局基础样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--bg-white);
    overflow-x: hidden;
}

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

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

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

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

/* ========== 顶部导航 Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    transition: var(--transition);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 80px;
}

/* ⭐ 6 个导航栏整体向右平移 2 个导航项宽度（91px × 2 = 182px）*/
.nav-list {
    margin-left: 182px;
}

.logo {
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    white-space: nowrap;
}

.logo img {
    height: 60px;
    width: auto;
    flex-shrink: 0;
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
    line-height: 60px;
    display: inline-block;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
    flex-wrap: nowrap;
}

.nav-item {
    position: relative;
    flex-shrink: 0;
}

.nav-item > a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 10px 20px;
    font-size: 16px;
    font-weight: 700;
    font-family: "SimHei", "黑体", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    color: var(--text-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-item > a:hover,
.nav-item.active > a {
    color: var(--primary-color);
    background: rgba(26,95,42,0.06);
}

.nav-item > a i {
    font-size: 12px;
    transition: transform 0.3s;
}

.has-dropdown:hover > a i {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 8px 0;
    z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-color);
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: rgba(26,95,42,0.06);
    color: var(--primary-color);
    padding-left: 25px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
    padding: 8px;
}

/* ========== Banner轮播区 ========== */
.banner-section {
    margin-top: 72px;
    position: relative;
    overflow: hidden;
}

.banner-slider {
    position: relative;
    height: 520px;
    overflow: hidden;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-slide.active {
    opacity: 1;
    z-index: 1;
}

.banner-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* 彻底移除所有色调 — 完全透明，轮播图原图展示 */
    background: none;
}

.banner-overlay {
    /* 额外遮罩层 */
}

.banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 800px;
    padding: 0 30px;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 3px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 0.8s ease;
}

.banner-subtitle {
    font-size: 22px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 35px;
    letter-spacing: 5px;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.banner-btn:hover {
    background: #fff;
    color: var(--primary-color);
    border-color: #fff;
    transform: translateY(-2px);
}

/* 轮播指示器 */
.banner-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.indicator {
    width: 40px;
    height: 4px;
    background: rgba(255,255,255,0.4);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active,
.indicator:hover {
    background: #fff;
    width: 60px;
}

/* 轮播箭头 */
.banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.15);
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-arrow:hover {
    background: rgba(255,255,255,0.3);
}

.banner-prev { left: 30px; }
.banner-next { right: 30px; }

/* ========== 快捷入口卡片 ========== */
.quick-entry-section {
    padding: 70px 0;
    background: var(--bg-white);
}

.quick-entry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.quick-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 25px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

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

.quick-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    color: var(--primary-color);
}

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

.quick-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(26,95,42,0.1), rgba(45,138,71,0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
    transition: var(--transition);
}

.quick-card:hover .quick-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    transform: scale(1.1) rotate(5deg);
}

.quick-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.quick-card p {
    font-size: 14px;
    color: var(--text-muted);
}

/* ========== 公司简介区块 ========== */
.about-section {
    padding: 80px 0;
    background: var(--bg-light);
}

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

.section-title {
    font-size: 34px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 10px;
    position: relative;
}

.section-subtitle {
    font-size: 14px;
    color: var(--text-muted);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.more-link {
    float: right;
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.more-link:hover {
    gap: 10px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 18px;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.about-image img {
    width: 100%;
    height: 380px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* ========== 招标公告列表 ⭐核心模块 ========== */
.notice-section {
    padding: 80px 0;
    background: var(--bg-white);
}

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

.notice-item {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px dashed var(--border-color);
    transition: var(--transition);
}

.notice-item:hover {
    background: rgba(26,95,42,0.02);
    padding-left: 15px;
    padding-right: 15px;
    border-radius: var(--radius-sm);
}

.notice-date {
    min-width: 65px;
    text-align: center;
    padding: 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: var(--radius-sm);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.date-day {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    font-size: 12px;
    opacity: 0.9;
    margin-top: 3px;
}

.notice-info {
    flex: 1;
}

.notice-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 8px;
    line-height: 1.5;
}

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

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

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    margin-right: 8px;
    vertical-align: middle;
}

.badge-top {
    background: linear-gradient(135deg, #ff4757, #cc3344);
    color: #fff;
}

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

.notice-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ========== 公司业务/服务项目 ========== */
.service-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(26,95,42,0.1), rgba(45,138,71,0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--primary-color);
    margin: 0 auto 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    transform: scale(1.1);
}

.service-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 10px;
}

.service-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== 政策法规 ========== */
.policy-section {
    padding: 80px 0;
    background: var(--bg-white);
}

.policy-list {
    max-width: 800px;
    margin: 0 auto;
}

.policy-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.policy-item:hover {
    padding-left: 10px;
}

.policy-icon {
    font-size: 20px;
    color: var(--primary-color);
    width: 24px;
    text-align: center;
}

.policy-title {
    flex: 1;
    font-size: 15px;
    color: var(--text-color);
    transition: var(--transition);
}

.policy-title:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.policy-date {
    font-size: 13px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ========== 公司动态 ========== */
.news-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.news-card {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.news-date-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: #fff;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    text-align: center;
    line-height: 1.2;
}

.news-day {
    font-size: 20px;
    font-weight: 700;
}

.news-month {
    font-size: 12px;
}

.news-title {
    font-size: 16px;
    font-weight: 600;
    margin: 15px 0 10px;
    padding-right: 80px;
}

.news-title a {
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.news-summary {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 联系我们快捷入口 ========== */
.contact-quick-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
}

.contact-quick-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.contact-info-box h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 25px;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.contact-item i {
    width: 24px;
    text-align: center;
    font-size: 18px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 15px rgba(26,95,42,0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26,95,42,0.4);
}

.btn-large {
    padding: 16px 40px;
    font-size: 17px;
    background: #fff;
    color: var(--primary-color);
}

.btn-large:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

/* ========== 页脚 Footer ========== */
.footer {
    background: #1a1a2e;
    color: rgba(255,255,255,0.8);
    padding: 60px 0 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.footer-col p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255,255,255,0.7);
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

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

.footer-col ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-col .contact-item {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    padding: 25px 0;
    font-size: 14px;
    color: rgba(255,255,255,0.5);
}

/* ========== 公告详情页 ========== */
.detail-page {
    padding: 30px 0 60px;
    margin-top: 72px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 0;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
}

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

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

.breadcrumb .separator {
    color: var(--border-color);
}

.breadcrumb .current {
    color: var(--text-color);
    font-weight: 500;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
}

.detail-main {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.detail-header {
    padding: 35px 35px 25px;
    border-bottom: 1px solid var(--border-color);
}

.detail-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-color);
    line-height: 1.4;
    margin-bottom: 18px;
}

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

.detail-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.detail-content {
    padding: 35px;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-light);
}

.detail-content h2,
.detail-content h3,
.detail-content h4 {
    color: var(--text-color);
    margin: 25px 0 15px;
}

.detail-content p {
    margin-bottom: 15px;
}

.detail-content ul,
.detail-content ol {
    padding-left: 25px;
    margin-bottom: 15px;
}

.detail-content li {
    margin-bottom: 8px;
}

.detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.detail-content th,
.detail-content td {
    border: 1px solid var(--border-color);
    padding: 12px 15px;
    text-align: left;
}

.detail-content th {
    background: var(--bg-light);
    font-weight: 600;
}

/* ⭐ 附件下载区域 - 核心功能样式 */
.attachment-section {
    margin: 30px 35px;
    padding: 25px;
    background: linear-gradient(135deg, #f0fdf4, #ecfdf5);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-md);
}

.attachment-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.attachment-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: #fff;
    border-radius: var(--radius-sm);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    transition: var(--transition);
}

.attachment-item:hover {
    box-shadow: var(--shadow-sm);
    transform: translateX(5px);
}

.attachment-icon {
    font-size: 28px;
    width: 45px;
    text-align: center;
}

.attachment-info {
    flex: 1;
}

.attachment-name {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    display: block;
    margin-bottom: 3px;
}

.attachment-size,
.attachment-downloads {
    font-size: 12px;
    color: var(--text-muted);
    margin-right: 15px;
}

.attachment-download {
    white-space: nowrap;
}

/* 上一篇/下一篇导航 */
.detail-nav {
    display: flex;
    justify-content: space-between;
    margin: 30px 35px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

.nav-prev,
.nav-next {
    max-width: 45%;
}

.nav-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 5px;
    display: block;
}

.nav-prev a,
.nav-next a {
    font-size: 14px;
    color: var(--text-color);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.nav-prev a:hover,
.nav-next a:hover {
    color: var(--primary-color);
}

/* 侧边栏 */
.detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background: var(--bg-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.widget-title {
    font-size: 16px;
    font-weight: 600;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.widget-content {
    padding: 15px 20px;
}

.related-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

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

.related-link {
    font-size: 14px;
    color: var(--text-color);
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-right: 10px;
}

.related-link:hover {
    color: var(--primary-color);
}

.related-date {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 56px;
    margin-bottom: 15px;
    display: block;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========== 响应式设计 ========== */
@media (max-width: 992px) {
    .nav-list {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-list.show {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .has-dropdown:hover .dropdown-menu {
        display: block;
    }
    
    .banner-slider {
        height: 400px;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 18px;
    }
    
    .quick-entry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-layout {
        grid-template-columns: 1fr;
    }
    
    .detail-sidebar {
        order: -1;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-quick-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .header-container {
        height: 62px;
    }
    
    .header {
        margin-top: 0;
    }
    
    .logo-text {
        font-size: 16px;
    }
    
    .banner-section {
        margin-top: 62px;
    }
    
    .banner-slider {
        height: 320px;
    }
    
    .banner-title {
        font-size: 24px;
    }
    
    .banner-subtitle {
        font-size: 15px;
        letter-spacing: 2px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .quick-entry-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .quick-card {
        padding: 25px 15px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .detail-header {
        padding: 25px 20px;
    }
    
    .detail-title {
        font-size: 20px;
    }
    
    .detail-content {
        padding: 20px;
        font-size: 15px;
    }
    
    .attachment-section {
        margin: 20px;
        padding: 20px;
    }
    
    .detail-nav {
        flex-direction: column;
        gap: 15px;
        margin: 20px;
    }
    
    .nav-prev,
    .nav-next {
        max-width: 100%;
    }
}