/* Reset and base styles */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 60px;
}

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

body {
    font-family: "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* Header styles */
.header {
    background-color: #1a1a1a;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.logo {
    color: #fff;
    font-size: 20px;
    margin: 0;
}

.logo a {
    color: #fff;
    text-decoration: none;
}

.nav .zb504fthis a,
.nav li.zb504fthis a {
    color: #00a8ff;
    background: rgba(0,168,255,0.15);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #fff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

.nav ul {
    list-style: none;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: 4px;
}

.nav a:hover {
    color: #00a8ff;
    background: rgba(255,255,255,0.1);
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: #1a1a1a;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .nav a {
        display: block;
        padding: 10px;
        font-size: 16px;
    }

    /* Hamburger menu animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

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

@media (max-width: 575px) {
    .logo {
        font-size: 15px;
    }

    .nav {
        width: 100%;
        max-width: none;
    }
}

/* Hero section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%231a1a1a"/><path d="M0 0L100 100M100 0L0 100" stroke="%23333" stroke-width="1"/></svg>');
    color: #fff;
    padding: 100px 0 60px;
    margin-top: 40px;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
    object-fit: cover;
    max-height: 500px;
}

.hero-img:hover {
    transform: scale(1.02);
}

.hero h2 {
    font-size: 36px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    color: rgba(255,255,255,0.9);
}

.hero-features {
    margin-top: 30px;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-features span {
    background: rgba(255,255,255,0.1);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    transition: transform 0.3s;
}

.hero-features span:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.2);
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: bold;
    color: #00a8ff;
    margin-bottom: 5px;
}

.stat-text {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
}

/* Section styles */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: #1a1a1a;
    position: relative;
}

.section-title:after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #00a8ff;
    margin: 15px auto 0;
}

/* Service cards */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 0 auto;
    max-width: 1400px;
}

.service-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    scroll-margin-top: 80px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-card h3 {
    color: #1a1a1a;
    margin-bottom: 15px;
    font-size: 20px;
    position: relative;
    padding-bottom: 10px;
}

.service-card h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: #00a8ff;
}

.service-card p {
    color: #666;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-top: 15px;
    padding-left: 0;
    flex-grow: 1;
}

.service-features li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: #555;
}

.service-features li:before {
    content: "•";
    color: #00a8ff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.service-tag {
    position: absolute;
    top: 20px;
    right: -30px;
    background: #00a8ff;
    color: #fff;
    padding: 5px 30px;
    transform: rotate(45deg);
    font-size: 12px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Why choose us section */
.why-choose-us {
    background: #f8f9fa;
}

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

.feature-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 20px;
    display: block;
}

/* Advantage cards */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-list {
    list-style: none;
    margin-top: 15px;
    text-align: left;
}

.advantage-list li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.advantage-list li:before {
    content: "✓";
    color: #00a8ff;
    position: absolute;
    left: 0;
}

/* Process steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    text-align: center;
}

.step {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #00a8ff;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 20px;
    font-weight: bold;
}

.step h3 {
    color: #1a1a1a;
    margin-bottom: 15px;
}

.step-details {
    list-style: none;
    margin-top: 15px;
    text-align: left;
}

.step-details li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.step-details li:before {
    content: "→";
    color: #00a8ff;
    position: absolute;
    left: 0;
}

/* Contact section */
.contact {
    background-color: #1a1a1a;
    color: #fff;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.contact-card {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
}

.contact-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-icon {
    font-size: 24px;
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.footer-section h3 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 8px;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #00a8ff;
}

.footer-section p {
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    font-size: 13px;
}

.footer-links, .footer-contact {
    list-style: none;
    padding: 0;
}

.footer-links li, .footer-contact li {
    margin-bottom: 8px;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #00a8ff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-info h3 {
    margin-bottom: 8px;
    font-size: 18px;
}

.footer-info p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
    font-size: 13px;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
}

.footer-copyright p {
    margin-bottom: 4px;
}

/* Responsive Design */
/* Large screens (1200px and up) */
@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }

    .hero-content {
        gap: 60px;
    }

    .hero h2 {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 20px;
    }
}

/* Medium screens (992px to 1199px) */
@media (max-width: 1199px) {
    .container {
        max-width: 960px;
    }

    .hero-content {
        gap: 40px;
    }

    .hero h2 {
        font-size: 36px;
    }
}

/* Tablets (768px to 991px) */
@media (max-width: 991px) {
    .container {
        max-width: 720px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .hero-text {
        text-align: center;
    }

    .hero-features {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .stat-item {
        text-align: center;
    }

    .hero-image {
        order: -1;
        margin-bottom: 30px;
    }

    .hero-img {
        max-width: 80%;
        max-height: 400px;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape (576px to 767px) */
@media (max-width: 767px) {
    .container {
        max-width: 540px;
    }

    .header {
        padding: 6px 0;
    }

    .logo {
        font-size: 16px;
    }

    .nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .hero {
        padding: 70px 0 30px;
        margin-top: 25px;
        min-height: 60vh;
    }

    .hero h2 {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    section {
        padding: 60px 0;
    }

    .service-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: 20px;
    }

    .footer {
        padding: 30px 0 15px;
    }

    .footer-section h3 {
        font-size: 15px;
        margin-bottom: 12px;
    }

    .footer-links li, .footer-contact li {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .hero-img {
        max-width: 100%;
        max-height: 300px;
    }
}

/* Mobile Portrait (up to 575px) */
@media (max-width: 575px) {
    .container {
        padding: 0 15px;
    }

    .hero h2 {
        font-size: 24px;
    }

    .hero-subtitle {
        font-size: 14px;
    }

    .hero-features span {
        font-size: 12px;
        padding: 6px 12px;
    }

    .section-title {
        font-size: 24px;
    }

    .service-card h3 {
        font-size: 18px;
    }

    .service-features li {
        font-size: 14px;
    }

    .hero-img {
        max-width: 100%;
    }

    .stat-number {
        font-size: 28px;
    }

    .stat-text {
        font-size: 12px;
    }

    .footer {
        padding: 25px 0 12px;
    }

    .footer-info h3 {
        font-size: 16px;
    }

    .footer-copyright {
        font-size: 11px;
    }
}

/* Print styles */
@media print {
    .header, .hero, .contact, .footer {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }

    section {
        page-break-inside: avoid;
    }
}

/* ===== 内容页 / 列表页 ===== */
.page-banner {
    background: #1a1a1a;
    color: #fff;
    padding: 90px 0 30px;
    margin-top: 0;
}

.breadcrumb {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    margin-bottom: 10px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb a:hover {
    color: #00a8ff;
}

.breadcrumb .sep {
    margin: 0 8px;
    color: rgba(255,255,255,0.4);
}

.breadcrumb .current {
    color: #00a8ff;
}

.page-title {
    font-size: 28px;
    font-weight: normal;
    margin: 0;
}

.main-content {
    padding: 40px 0 60px;
    background: #f5f5f5;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 30px;
    align-items: start;
}

/* 内容页 */
.article-main {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    padding: 30px;
    overflow: hidden;
}

.article-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.article-title {
    font-size: 28px;
    color: #1a1a1a;
    line-height: 1.4;
    margin-bottom: 15px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 25px;
    font-size: 13px;
    color: #888;
}

.article-meta a {
    color: #00a8ff;
    text-decoration: none;
}

.article-meta a:hover {
    text-decoration: underline;
}

.article-thumb {
    margin-bottom: 25px;
    text-align: center;
}

.article-thumb img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 10px 0;
}

.article-body p {
    margin-bottom: 15px;
}

.article-images {
    margin-top: 25px;
}

.article-figure {
    margin-bottom: 20px;
    text-align: center;
}

.article-figure img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.article-figure figcaption {
    font-size: 13px;
    color: #888;
    margin-top: 8px;
}

.zb504fmeta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 25px 0;
    padding: 20px 0 0;
    border-top: 1px solid #eee;
}

.zb504ftagitem a {
    display: inline-block;
    padding: 5px 14px;
    background: #f0f7ff;
    color: #00a8ff;
    border-radius: 20px;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.zb504ftagitem a:hover {
    background: #00a8ff;
    color: #fff;
}

.clear {
    clear: both;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #eee;
}

.article-nav-item {
    flex: 1;
    min-width: 0;
}

.article-nav-prev {
    text-align: left;
}

.article-nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 13px;
    color: #999;
    margin-bottom: 6px;
}

.article-nav-item a {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    word-break: break-all;
}

.article-nav-item a:hover {
    color: #00a8ff;
}

.related-articles {
    margin-top: 35px;
    padding-top: 25px;
    border-top: 1px solid #eee;
}

.block-title {
    font-size: 20px;
    color: #1a1a1a;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #00a8ff;
    display: inline-block;
}

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

.related-item {
    border-bottom: 1px dashed #eee;
}

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

.related-link {
    display: flex;
    gap: 15px;
    padding: 15px 0;
    text-decoration: none;
    transition: background 0.3s;
}

.related-link:hover {
    background: #f9f9f9;
}

.related-thumb {
    flex-shrink: 0;
    width: 100px;
    height: 75px;
    overflow: hidden;
    border-radius: 6px;
    background: #eee;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-info {
    flex: 1;
    min-width: 0;
}

.related-title {
    display: block;
    font-size: 15px;
    color: #333;
    margin-bottom: 6px;
    line-height: 1.4;
    transition: color 0.3s;
}

.related-link:hover .related-title {
    color: #00a8ff;
}

.related-desc {
    font-size: 13px;
    color: #888;
    line-height: 1.5;
    margin: 0;
}

/* 列表页 */
.list-main {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    padding: 25px;
    overflow: hidden;
}

.list-items {
    list-style: none;
}

.list-item {
    border-bottom: 1px solid #eee;
}

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

.list-item-link {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    text-decoration: none;
    transition: background 0.3s;
}

.list-item-link:hover {
    background: #fafafa;
}

.list-item-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    overflow: hidden;
    border-radius: 8px;
    background: #eee;
}

.list-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.list-item-link:hover .list-item-thumb img {
    transform: scale(1.05);
}

.list-item-body {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-size: 18px;
    color: #1a1a1a;
    margin-bottom: 10px;
    line-height: 1.4;
    transition: color 0.3s;
}

.list-item-link:hover .list-item-title {
    color: #00a8ff;
}

.list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    font-size: 12px;
    color: #999;
    margin-bottom: 10px;
}

.list-item-meta a {
    color: #00a8ff;
    text-decoration: none;
}

.list-item-intro {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 分页 */
.pagebar {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.pagebar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.page-nav-left,
.page-nav-right {
    flex-shrink: 0;
    min-width: 90px;
}

.page-nav-left {
    text-align: left;
}

.page-nav-right {
    text-align: right;
}

.page-nav-center {
    flex: 1;
    text-align: center;
}

.pagelist {
    list-style: none;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin: 0;
    padding: 0;
}

.pagelist li,
.pagelist a,
.page-nav-left a,
.page-nav-right a {
    display: inline-block;
    padding: 8px 14px;
    background: #f5f5f5;
    color: #333;
    border-radius: 4px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
    margin-left: 6px;
}

.page-nav-left a:first-child,
.page-nav-right a:first-child {
    margin-left: 0;
}

.pagelist a:hover,
.page-nav-left a:hover,
.page-nav-right a:hover {
    background: #00a8ff;
    color: #fff;
}

.pagelist .thisclass a,
.pagelist .thisclass {
    background: #00a8ff;
    color: #fff;
}

/* 侧栏 */
.sidebar {
    position: sticky;
    top: 70px;
}

.sidebar-widget {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    padding: 20px;
    margin-bottom: 20px;
}

.sidebar-widget:last-child {
    margin-bottom: 0;
}

.sidebar-title {
    font-size: 16px;
    color: #1a1a1a;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #00a8ff;
}

.sidebar-title a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s;
}

.sidebar-title a:hover {
    color: #00a8ff;
}

.sidebar-list {
    list-style: none;
}

.sidebar-list li {
    border-bottom: 1px dashed #f0f0f0;
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    text-decoration: none;
    transition: background 0.3s;
}

.sidebar-item:hover {
    background: #f9f9f9;
}

.sidebar-thumb {
    flex-shrink: 0;
    width: 60px;
    height: 45px;
    overflow: hidden;
    border-radius: 4px;
    background: #eee;
}

.sidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-info {
    flex: 1;
    min-width: 0;
}

.sidebar-item-title {
    display: block;
    font-size: 13px;
    color: #333;
    line-height: 1.4;
    margin-bottom: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color 0.3s;
}

.sidebar-item:hover .sidebar-item-title {
    color: #00a8ff;
}

.sidebar-item-date {
    font-size: 11px;
    color: #aaa;
}

/* 首页文章板块 */
.home-articles {
    background: #fff;
    padding: 80px 0;
}

.home-articles .section-more {
    text-align: center;
    margin: -35px 0 40px;
}

.home-articles .more-link {
    color: #00a8ff;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.home-articles .more-link:hover {
    color: #0088cc;
    text-decoration: underline;
}

.home-article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.home-article-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.home-article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.home-article-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.home-article-thumb {
    width: 100%;
    height: 140px;
    overflow: hidden;
    background: #eee;
}

.home-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.home-article-card:hover .home-article-thumb img {
    transform: scale(1.05);
}

.home-article-info {
    padding: 15px;
}

.home-article-title {
    font-size: 14px;
    color: #1a1a1a;
    line-height: 1.4;
    margin-bottom: 8px;
    height: 40px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color 0.3s;
}

.home-article-card:hover .home-article-title {
    color: #00a8ff;
}

.home-article-date {
    font-size: 11px;
    color: #aaa;
}

/* 内容页/列表页/首页文章 响应式 */
@media (max-width: 1199px) {
    .home-article-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 991px) {
    .content-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .home-article-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .list-item-thumb {
        width: 160px;
        height: 120px;
    }
}

@media (max-width: 767px) {
    .page-banner {
        padding: 80px 0 25px;
    }

    .page-title {
        font-size: 22px;
    }

    .article-main,
    .list-main {
        padding: 20px 15px;
    }

    .article-title {
        font-size: 22px;
    }

    .article-meta {
        gap: 8px 15px;
    }

    .article-nav {
        flex-direction: column;
    }

    .article-nav-next {
        text-align: left;
    }

    .list-item-link {
        flex-direction: column;
        gap: 12px;
    }

    .list-item-thumb {
        width: 100%;
        height: 180px;
    }

    .related-link {
        flex-direction: column;
    }

    .related-thumb {
        width: 100%;
        height: 160px;
    }

    .pagebar-inner {
        flex-wrap: wrap;
        justify-content: center;
    }

    .page-nav-left,
    .page-nav-right {
        min-width: auto;
    }

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

    .home-article-thumb {
        height: 120px;
    }
}

@media (max-width: 575px) {
    .home-article-grid {
        grid-template-columns: 1fr;
    }

    .home-article-thumb {
        height: 180px;
    }

    .sidebar-widget {
        padding: 15px;
    }
}