/* ===== style.css 重构版 ===== */
:root {
    --primary: #0a4b7a;          /* 主色：深蓝 */
    --primary-dark: #083358;
    --accent: #b8860b;            /* 点缀色：金色 */
    --accent-light: #e6b422;
    --bg-light: #f8fafd;
    --bg-white: #ffffff;
    --text-dark: #1e2b37;
    --text-medium: #3f4a55;
    --text-light: #6c7a89;
    --border-light: #e9edf2;
    --shadow-sm: 0 4px 12px rgba(0, 20, 40, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 20, 40, 0.08);
    --shadow-lg: 0 16px 40px rgba(0, 20, 40, 0.12);
    --font-sans: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', sans-serif;
    --transition: all 0.25s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background: var(--bg-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 30px;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-outline {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* 区块标题 */
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.section-title p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 20px auto 0;
}

/* 网格 */
.grid {
    display: grid;
    gap: 30px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ===== 头部 ===== */
.site-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}
.top-info {
    background: var(--primary);
    color: white;
    padding: 8px 0;
    font-size: 0.9rem;
}
.top-info .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-info-left {
    display: flex;
    align-items: center;
    gap: 20px;
}
.welcome-message::before {
    content: '✓';
    margin-right: 6px;
    color: var(--accent-light);
}
.live-time {
    background: rgba(255,255,255,0.15);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
}
.brand-group {
    display: flex;
    align-items: center;
    gap: 20px;
}
.logo img {
    height: 48px;
    width: auto;
}
.company-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}
.company-slogan {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}
.company-slogan span {
    color: var(--accent);
    font-weight: 600;
}
.header-search form {
    display: flex;
    background: var(--bg-light);
    border-radius: 40px;
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
}
.header-search form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,75,122,0.1);
}
.header-search input {
    border: none;
    background: transparent;
    padding: 10px 20px;
    outline: none;
    width: 240px;
}
.header-search button {
    background: transparent;
    border: none;
    padding: 0 15px;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}
.header-search button:hover {
    color: var(--accent);
}
.contact-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-light);
    padding: 10px 25px;
    border-radius: 40px;
    color: var(--primary);
    font-weight: 500;
    white-space: nowrap;
}
.contact-phone i {
    font-size: 1.2rem;
}
.mobile-toggle {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--primary);
}

/* 导航 */
.nav-wrapper {
    background: var(--primary);
}
.main-nav ul {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}
.main-nav li {
    margin: 0;
}
.main-nav li a {
    display: block;
    padding: 16px 22px;
    color: white;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.main-nav li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: var(--transition);
}
.main-nav li a:hover {
    background: rgba(255,255,255,0.1);
}
.main-nav li a:hover::before {
    width: 100%;
}
.main-nav li a.active {
    background: rgba(255,255,255,0.15);
    font-weight: 600;
}
.main-nav li a.active::before {
    width: 100%;
}
.employee-link {
    background: transparent;
    margin-left: auto;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 30px;
    padding: 8px 18px !important;
}
.employee-link:hover {
    background: var(--accent) !important;
    border-color: var(--accent);
}

/* 响应式导航 */
@media (max-width: 992px) {
    .header-top {
        flex-wrap: wrap;
    }
    .brand-group {
        width: 100%;
        justify-content: space-between;
    }
    .contact-phone {
        order: 2;
        margin-left: 0;
    }
    .mobile-toggle {
        display: block;
        order: 3;
    }
    .main-nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        background: var(--primary);
        padding: 10px 0;
    }
    .main-nav ul.show {
        display: flex;
    }
    .main-nav li a {
        padding: 12px 20px;
        width: 100%;
        text-align: center;
    }
    .employee-link {
        margin-left: 0;
    }
}

/* ===== 轮播图 ===== */
.banner-carousel {
    position: relative;
    height: 600px;
    overflow: hidden;
}
.carousel-slides {
    position: relative;
    height: 100%;
}
.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease, transform 6s ease;
    transform: scale(1.1);
}
.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
}
.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,20,40,0.3);
}
.slide-caption {
    position: absolute;
    z-index: 2;
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    max-width: 800px;
    padding: 0 30px;
    text-align: center;
}
.slide-caption-1 {
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.slide-caption-2 {
    bottom: 100px;
    left: 10%;
    text-align: left;
}
.slide-caption-3 {
    bottom: 100px;
    right: 10%;
    text-align: right;
}
.slide-caption h2 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.slide-caption p {
    font-size: 1.3rem;
    opacity: 0.9;
}
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 3;
    transition: var(--transition);
}
.carousel-arrow:hover {
    background: var(--primary);
    border-color: var(--primary);
}
.carousel-arrow.prev { left: 30px; }
.carousel-arrow.next { right: 30px; }
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 0;
    width: 100%;
    text-align: center;
    z-index: 3;
}
.carousel-dots span {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 6px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}
.carousel-dots span.active {
    background: var(--accent);
    transform: scale(1.3);
}

/* ===== 核心业务卡片 ===== */
.service-card {
    background: var(--bg-white);
    border-radius: 20px;
    padding: 30px 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    text-align: center;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(145deg, #e8f0f8, #d4e2f0);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary);
    font-size: 2rem;
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: var(--primary);
    color: white;
    transform: rotate(360deg) scale(1.1);
}
.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary);
}
.service-card p {
    color: var(--text-medium);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== 首页新闻公告区域 ===== */
.news-announcement-section {
    padding: 60px 0;
    background: var(--bg-light);
}
.news-announcement-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.news-list-col, .announcement-list-col {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 35px;
    box-shadow: var(--shadow-sm);
}
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 15px;
}
.section-header h3 {
    font-size: 1.8rem;
    color: var(--primary);
    font-weight: 600;
    margin: 0;
}
.section-header h3 i {
    margin-right: 10px;
    color: var(--accent);
}
.more-link {
    background: var(--primary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    transition: var(--transition);
}
.more-link:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-2px);
}
.item-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.item-list li {
    display: flex;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px dashed var(--border-light);
    transition: var(--transition);
}
.item-list li:last-child {
    border-bottom: none;
}
.item-list li:hover {
    background: var(--bg-light);
    padding-left: 10px;
}
.item-decoration {
    width: 4px;
    height: 20px;
    background: var(--accent);
    border-radius: 2px;
    margin-right: 15px;
}
.item-list li a {
    flex: 1;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 15px;
}
.item-list li a:hover {
    color: var(--primary);
}
.item-date-badge {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
.item-date-badge i {
    font-size: 0.75rem;
    color: var(--primary);
}
.item-list li:hover .item-date-badge {
    background: var(--primary);
    color: white;
}
.item-list li:hover .item-date-badge i {
    color: white;
}

/* ===== 关于我们预览 ===== */
.about-preview {
    padding: 80px 0;
}
.about-preview-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--bg-light);
    border-radius: 30px;
    padding: 50px;
}
.about-preview-text h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 25px;
}
.about-preview-text p {
    color: var(--text-medium);
    margin-bottom: 25px;
    line-height: 1.8;
}
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 40px 0;
}
.stat-item {
    text-align: center;
    background: var(--bg-white);
    border-radius: 16px;
    padding: 20px 10px;
    box-shadow: var(--shadow-sm);
}
.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
}
.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
}
.about-preview-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

/* ===== 关于我们页面专属 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 40px 0;
}
.stat-card {
    background: linear-gradient(145deg, var(--bg-white), var(--bg-light));
    border-radius: 24px;
    padding: 40px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}
.stat-number {
    font-size: 3rem;
}
.about-intro-card {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 50px;
    background: var(--bg-white);
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 60px;
}
.intro-text h2 {
    font-size: 2.2rem;
    color: var(--primary);
    border-left: 6px solid var(--accent);
    padding-left: 20px;
    margin-bottom: 30px;
}
.intro-text p {
    color: var(--text-medium);
    margin-bottom: 20px;
    line-height: 1.8;
}
.intro-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}
.core-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}
.value-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 40px 25px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.value-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.value-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary);
    font-size: 2rem;
}
.value-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary);
}
.about-bottom-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 30px;
    margin-bottom: 60px;
}
.qualifications-card, .team-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}
.qualifications-card h3, .team-card h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.qualifications-card ul {
    list-style: none;
}
.qualifications-card li {
    padding: 12px 0;
    border-bottom: 1px dashed var(--border-light);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-medium);
}
.qualifications-card li:last-child {
    border-bottom: none;
}
.qualifications-card i {
    color: var(--accent);
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.team-member {
    text-align: center;
}
.team-member .avatar {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    background: var(--bg-light);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary);
    border: 3px solid var(--border-light);
    transition: var(--transition);
}
.team-member:hover .avatar {
    border-color: var(--accent);
    transform: scale(1.05);
}
.team-member h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--primary);
}
.team-member p {
    font-size: 0.9rem;
    color: var(--text-light);
}
.timeline-modern {
    background: var(--bg-white);
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--shadow-sm);
}
.timeline-modern h3 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.timeline-items {
    display: flex;
    justify-content: space-between;
    position: relative;
}
.timeline-items::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    width: 80%;
    height: 2px;
    background: var(--border-light);
}
.timeline-item {
    position: relative;
    background: var(--bg-white);
    padding: 25px;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    width: 23%;
    z-index: 2;
    border: 1px solid var(--border-light);
}
.timeline-item .year {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.timeline-item .desc {
    color: var(--text-medium);
    font-size: 0.95rem;
}

/* ===== 联系我们页面 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}
.contact-info-card, .contact-form-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}
.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: var(--primary);
    font-size: 2rem;
}
.contact-info-card h3, .contact-form-card h3 {
    font-size: 1.8rem;
    color: var(--primary);
    text-align: center;
    margin-bottom: 30px;
}
.contact-detail-list {
    list-style: none;
}
.contact-detail-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--text-medium);
    line-height: 1.5;
}
.contact-detail-list li i {
    color: var(--accent);
    font-size: 1.2rem;
    min-width: 25px;
}
.contact-form-card .form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
.contact-form-card input,
.contact-form-card textarea {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid var(--border-light);
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
}
.contact-form-card input:focus,
.contact-form-card textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10,75,122,0.1);
    background: var(--bg-white);
}
.contact-form-card textarea {
    border-radius: 25px;
    resize: vertical;
}
.contact-form-card .btn-block {
    width: 100%;
    margin-top: 15px;
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--primary);
    color: white;
    padding: 60px 0 30px;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}
.footer-info h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    font-weight: 600;
}
.footer-info p {
    margin-bottom: 8px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}
.footer-contact i {
    width: 20px;
    color: var(--accent);
}
.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    opacity: 0.8;
}

/* ===== 返回顶部 ===== */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 99;
}
#back-to-top.show {
    display: flex;
}
#back-to-top:hover {
    background: var(--accent);
    transform: translateY(-5px);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .news-announcement-row,
    .about-preview-card,
    .about-intro-card,
    .about-bottom-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .about-preview-card,
    .about-intro-card {
        padding: 30px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .core-values {
        grid-template-columns: repeat(2, 1fr);
    }
    .timeline-items::before { display: none; }
    .timeline-items {
        flex-direction: column;
        gap: 20px;
    }
    .timeline-item {
        width: 100%;
    }
}
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .core-values { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .slide-caption h2 { font-size: 2rem; }
    .slide-caption p { font-size: 1rem; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-contact p { justify-content: center; }
}
/* ===== 顶部信息栏修复 ===== */
.top-info .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}
.top-info-left, .top-info-right {
    white-space: nowrap;
}
.live-time {
    background: rgba(255,255,255,0.15);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
}

/* ===== 首页新闻公告区域宽度约束 ===== */
.news-announcement-section .container {
    max-width: 1280px;
}
.news-list-col, .announcement-list-col {
    width: 100%;
    overflow: hidden;
}
.item-list li a {
    max-width: calc(100% - 120px); /* 为日期留出空间 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 列表页卡片布局（用于 news.php 和 announcements.php）===== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}
.post-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.post-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 15px;
    line-height: 1.4;
}
.post-card h3 a {
    color: inherit;
    text-decoration: none;
}
.post-card h3 a:hover {
    color: var(--accent);
}
.post-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}
.post-meta i {
    color: var(--accent);
    margin-right: 5px;
}
.post-summary {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 25px;
    flex: 1;
}
.post-readmore {
    align-self: flex-start;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.post-readmore:hover {
    color: var(--accent);
    gap: 10px;
}
.pagination-modern {
    margin-top: 50px;
    justify-content: center;
}

/* ===== 详情页样式（用于 news_detail.php 和 announcement.php）===== */
.detail-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}
.detail-card {
    background: var(--bg-white);
    border-radius: 30px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}
.detail-header {
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 30px;
}
.detail-header h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    line-height: 1.3;
}
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    color: var(--text-light);
    font-size: 1rem;
}
.detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.detail-meta i {
    color: var(--accent);
}
.detail-featured-image {
    margin: 30px 0 40px;
    text-align: center;
}
.detail-featured-image img {
    max-width: 100%;
    max-height: 500px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}
.detail-content {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-dark);
    margin-bottom: 40px;
}
.detail-content p {
    margin-bottom: 1.5em;
}
.detail-attachment {
    text-align: center;
    margin: 40px 0;
}
.detail-attachment .btn {
    background: var(--primary);
    color: white;
    padding: 14px 40px;
    font-size: 1.1rem;
}
.detail-attachment .btn:hover {
    background: var(--accent);
}
.detail-navigation {
    display: flex;
    justify-content: space-between;
    margin: 40px 0 20px;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
}
.nav-link {
    background: var(--bg-light);
    padding: 10px 25px;
    border-radius: 40px;
    color: var(--primary);
    font-size: 0.95rem;
    max-width: 45%;
    transition: var(--transition);
    text-decoration: none;
}
.nav-link:hover {
    background: var(--primary);
    color: white;
}
.nav-link i {
    margin: 0 5px;
}
.back-link {
    text-align: center;
    margin-top: 30px;
}
.back-link a {
    display: inline-block;
    padding: 12px 35px;
    background: var(--bg-light);
    border-radius: 40px;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}
.back-link a:hover {
    background: var(--primary);
    color: white;
}
.detail-sidebar {
    margin-top: 50px;
}
.related-posts {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
}
.related-posts h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.related-list {
    list-style: none;
}
.related-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px dashed var(--border-light);
}
.related-list li:last-child {
    border-bottom: none;
}
.related-list a {
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.related-list a:hover {
    color: var(--primary);
}
.related-list .date {
    color: var(--text-light);
    font-size: 0.85rem;
    background: var(--bg-light);
    padding: 3px 10px;
    border-radius: 30px;
}

/* 响应式 */
@media (max-width: 768px) {
    .post-grid {
        grid-template-columns: 1fr;
    }
    .detail-card {
        padding: 30px;
    }
    .detail-header h1 {
        font-size: 1.8rem;
    }
    .detail-meta {
        flex-direction: column;
        gap: 15px;
    }
    .detail-navigation {
        flex-direction: column;
        gap: 15px;
    }
    .nav-link {
        max-width: 100%;
        text-align: center;
    }
}
/* ===== 欢迎栏背景白色，文字深色 ===== */
.top-info {
    background: #ffffff !important; /* 白色背景 */
    border-bottom: 1px solid var(--border-light);
    padding: 8px 0;
}
.top-info .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}
.top-info-left, .top-info-right {
    white-space: nowrap;
}
.welcome-message, .live-time {
    color: var(--text-dark) !important; /* 深色文字 */
}
.live-time {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
}

/* ===== 导航菜单均匀分布 ===== */
.main-nav ul {
    display: flex;
    justify-content: space-between; /* 均匀分布 */
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}
.main-nav li {
    flex: 0 1 auto;
}
.main-nav li a {
    display: block;
    padding: 16px 20px;
    color: white;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    text-align: center;
    white-space: nowrap;
}
/* 在大屏幕上增加间距 */
@media (min-width: 1200px) {
    .main-nav li a {
        padding: 16px 30px;
    }
}

/* ===== 首页新闻公告区域宽度约束（修复过宽问题） ===== */
.news-announcement-section .container {
    max-width: 1280px;
}
.news-list-col, .announcement-list-col {
    width: 100%;
    overflow: hidden;
}
.item-list li a {
    max-width: calc(100% - 120px); /* 为日期留出空间 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 列表页 - 现代列表样式（非卡片）用于 news.php 和 announcements.php ===== */
.list-modern {
    list-style: none;
    margin: 40px 0;
    padding: 0;
    border-top: 2px solid var(--border-light);
}
.list-modern-item {
    padding: 30px 0;
    border-bottom: 2px solid var(--border-light);
    transition: var(--transition);
}
.list-modern-item:hover {
    background: var(--bg-light);
    padding-left: 20px;
    margin-left: -20px;
    padding-right: 20px;
    margin-right: -20px;
}
.list-modern-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}
.list-modern-title a {
    color: var(--primary);
    text-decoration: none;
}
.list-modern-title a:hover {
    color: var(--accent);
    text-decoration: underline;
}
.list-modern-meta {
    display: flex;
    align-items: center;
    gap: 25px;
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.95rem;
}
.list-modern-meta i {
    color: var(--accent);
    margin-right: 5px;
}
.list-modern-summary {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 1rem;
}
.list-modern-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}
.list-modern-readmore:hover {
    color: var(--accent);
    gap: 10px;
}
/* 公告列表特有：增加项目编号 */
.list-modern-badge {
    background: var(--bg-light);
    color: var(--primary);
    padding: 4px 15px;
    border-radius: 30px;
    font-size: 0.85rem;
    display: inline-block;
    margin-right: 15px;
}

/* ===== 详情页宽度调整（可选：与主体同宽或保持较窄）===== */
/* 若希望详情页与主体同宽（1280px），取消以下注释；若保持较窄（1000px），则保留现状 */
/*
.detail-wrapper {
    max-width: 1280px;
    margin: 0 auto;
}
.detail-card {
    padding: 50px 80px;
}
*/

/* ===== 列表页 - 新样式（日期左侧，标题右侧） ===== */
.list-vertical {
    list-style: none;
    margin: 40px 0;
    padding: 0;
}
.list-vertical-item {
    display: flex;
    gap: 30px;
    padding: 30px 0;
    border-bottom: 1px dashed var(--border-light);
    transition: var(--transition);
}
.list-vertical-item:last-child {
    border-bottom: none;
}
.list-vertical-item:hover {
    background: var(--bg-light);
    padding-left: 20px;
    margin-left: -20px;
    padding-right: 20px;
    margin-right: -20px;
}
.list-vertical-date {
    flex: 0 0 100px;
    text-align: center;
    background: var(--primary);
    color: white;
    padding: 15px 0;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    height: fit-content;
}
.list-vertical-date .day {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 5px;
}
.list-vertical-date .month {
    font-size: 1rem;
    text-transform: uppercase;
    opacity: 0.9;
}
.list-vertical-content {
    flex: 1;
}
.list-vertical-content h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}
.list-vertical-content h3 a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}
.list-vertical-content h3 a:hover {
    color: var(--accent);
    text-decoration: underline;
}
.list-vertical-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
}
.list-vertical-meta i {
    color: var(--accent);
    margin-right: 5px;
}
.list-vertical-summary {
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 15px;
}
.list-vertical-readmore {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}
.list-vertical-readmore:hover {
    color: var(--accent);
    gap: 10px;
}

/* 公告列表项目编号特殊样式 */
.list-vertical-badge {
    background: var(--bg-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 0.85rem;
    display: inline-block;
}

/* ===== 搜索结果页优化 ===== */
.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 0; /* 取消间隙，用分隔线代替 */
}
.result-card {
    padding: 30px 0;
    border-bottom: 1px solid var(--border-light);
    margin: 0;
    box-shadow: none;
    border-radius: 0;
    background: transparent;
}
.result-card:last-child {
    border-bottom: none;
}
.result-card:hover {
    transform: none;
    box-shadow: none;
    background: var(--bg-light);
    padding-left: 20px;
    margin-left: -20px;
    padding-right: 20px;
    margin-right: -20px;
}
.highlight {
    background: #fcf4d9; /* 浅黄色背景 */
    color: var(--primary-dark);
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    border-bottom: 2px solid var(--accent);
}
.result-title {
    font-size: 1.8rem;
}
.result-summary {
    color: var(--text-medium);
}

/* 响应式 */
@media (max-width: 768px) {
    .list-vertical-item {
        flex-direction: column;
        gap: 15px;
    }
    .list-vertical-date {
        flex: 0 0 auto;
        width: 100px;
        margin-right: auto;
    }
    .list-vertical-content h3 {
        font-size: 1.3rem;
    }
}
/* ===== 面包屑导航 ===== */
.page-breadcrumb {
    background: #f5f5f5; /* 浅灰色背景 */
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #e0e0e0;
}
.page-breadcrumb .container {
    display: flex;
    align-items: center;
    height: 100%;
}
.page-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    margin: 0 5px;
}
.page-breadcrumb a:hover {
    color: var(--accent);
    text-decoration: underline;
}
.page-breadcrumb span {
    margin: 0 5px;
    color: #999;
}
.page-breadcrumb .current {
    color: var(--primary-dark);
    font-weight: 500;
}

/* ===== 列表页 - 左侧导航 + 右侧列表布局 ===== */
.list-with-sidebar {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}
.list-sidebar {
    flex: 0 0 220px;
}
.list-sidebar h3 {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--accent);
}
.list-sidebar ul {
    list-style: none;
    padding: 0;
}
.list-sidebar li {
    margin-bottom: 10px;
}
.list-sidebar li a {
    display: block;
    padding: 8px 12px;
    background: #f8f8f8;
    color: var(--text-dark);
    border-radius: 4px;
    transition: var(--transition);
    text-decoration: none;
}
.list-sidebar li a:hover,
.list-sidebar li a.active {
    background: var(--primary);
    color: white;
}
.list-main {
    flex: 1;
}

/* ===== 列表样式（圆点 + 日期右对齐）===== */
.list-simple {
    list-style: none;
    margin: 0;
    padding: 0;
}
.list-simple li {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px dashed #e0e0e0;
}
.list-simple li:last-child {
    border-bottom: none;
}
.list-simple li::before {
    content: "●";
    color: var(--accent);
    font-size: 12px;
    margin-right: 15px;
    opacity: 0.7;
}
.list-simple li a {
    flex: 1;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-right: 20px;
}
.list-simple li a:hover {
    color: var(--primary);
    text-decoration: underline;
}
.list-simple li .item-date {
    color: #999;
    font-size: 14px;
    white-space: nowrap;
}

/* ===== 分页样式（参考图片） ===== */
.pagination-simple {
    margin-top: 40px;
    text-align: center;
}
.pagination-simple a {
    display: inline-block;
    padding: 8px 16px;
    margin: 0 2px;
    background: #f0f0f0;
    color: var(--primary);
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
}
.pagination-simple a:hover {
    background: var(--primary);
    color: white;
}
.pagination-simple a.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
}
.pagination-simple .page-arrow {
    background: transparent;
    color: var(--primary);
}
.pagination-simple .page-arrow:hover {
    background: var(--primary);
    color: white;
}
/* ===== 页脚三栏布局 ===== */
.site-footer {
    background: var(--primary);
    color: white;
    padding: 50px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr 1fr;
    gap: 40px;
}
.footer-info h4,
.footer-links h4,
.footer-contact h4 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    font-weight: 600;
    position: relative;
    padding-bottom: 10px;
}
.footer-info h4::after,
.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent);
}
.footer-info .slogan {
    font-size: 1rem;
    margin: 10px 0 15px;
    opacity: 0.9;
}
.footer-info .copyright,
.footer-info .icp {
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 5px;
}
.footer-links .links-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 15px;
}
.footer-links a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
    line-height: 1.6;
}
.footer-links a:hover {
    color: white;
    text-decoration: underline;
    transform: translateX(3px);
}
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    opacity: 0.9;
}
.footer-contact i {
    width: 20px;
    color: var(--accent);
    font-size: 1rem;
}

/* 移动端响应式 */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .footer-links {
        grid-column: span 2;
    }
}
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .footer-links {
        grid-column: auto;
    }
    .footer-links .links-grid {
        grid-template-columns: 1fr;
    }
}
/* ===== 服务对象（合作单位）样式 ===== */
.clients-section {
    margin: 60px 0 40px;
}
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.client-item {
    text-align: center;
    transition: var(--transition);
}
.client-item:hover {
    transform: translateY(-5px);
}
.client-logo {
    width: 140px;
    height: 140px;
    margin: 0 auto 15px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    font-size: 1rem;
    color: var(--text-light);
    overflow: hidden;
}
.client-item:hover .client-logo {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 保证logo完整显示 */
    padding: 10px;
}
.client-logo span {
    font-size: 1rem;
    color: var(--text-medium);
    font-weight: 500;
}
.client-item p {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
    margin-top: 8px;
}
.clients-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 30px;
    font-style: italic;
}
/* 针对小屏调整 */
@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .client-logo {
        width: 120px;
        height: 120px;
    }
}
/* ===== 服务对象（合作单位）- 方形图片，横向滚动 ===== */
.clients-section {
    margin: 40px 0 60px;
}
.clients-title h2 {
    font-size: 1.8rem; /* 弱化标题，比常规小 */
    color: var(--text-medium); /* 颜色变淡 */
}
.clients-title p {
    font-size: 1rem;
    color: var(--text-light);
}
.clients-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px 0 20px;
    margin: 0 -10px; /* 让滚动条稍微突出 */
    -webkit-overflow-scrolling: touch;
}
.clients-grid {
    display: flex;
    gap: 30px;
    padding: 0 10px;
    min-width: max-content; /* 确保内容不换行 */
}
.client-item {
    flex: 0 0 140px; /* 固定宽度，一行6个刚好 */
    text-align: center;
    transition: var(--transition);
}
.client-item:hover {
    transform: translateY(-5px);
}
.client-logo {
    width: 140px;
    height: 140px;
    background: var(--bg-light);
    border-radius: 8px; /* 方形，轻微圆角 */
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
    margin-bottom: 12px;
}
.client-item:hover .client-logo {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.client-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 图片覆盖整个方块，可能会裁剪，如需留白可改为 contain */
}
.client-logo span {
    font-size: 1rem;
    color: var(--text-medium);
    font-weight: 500;
}
.client-item p {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 500;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}