/* ========== 基础重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; color: #1f2937; line-height: 1.6;background: #F0F3FA; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

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

/* ========== 按钮 ========== */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 500; transition: all 0.2s; cursor: pointer; border: none; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-outline { background: #fff; color: #2563eb; border: 1px solid #2563eb; margin-left: 12px; }
.btn-outline:hover { background: #eff6ff; }

/* ========== 通用板块标题 ========== */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 32px; font-weight: 700; color: #111827; margin-bottom: 12px; }
.section-header p { font-size: 16px; color: #6b7280; }

/* ========== 导航栏 ========== */
.navbar {
    background: #F0F3FA;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: #2563eb;
}

.logo img {
    height: 40px;
    width: auto;
    border-radius: 50%;
    object-fit: cover;
}

.logo span {
    color: #1f2937;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    color: #4b5563;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #2563eb;
}

.nav-cta {
    background: #2563eb;
    color: #fff;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 14px;
    transition: background 0.2s;
}

.nav-cta:hover {
    background: #1d4ed8;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1f2937;
    border-radius: 2px;
    transition: all 0.3s;
}

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 20px;
    border-top: 1px solid #e5e7eb;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-menu-links a {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 15px;
    color: #4b5563;
    transition: all 0.2s;
}

.mobile-menu-links a:hover {
    background: #eff6ff;
    color: #2563eb;
}

.mobile-menu-cta {
    background: #2563eb !important;
    color: #fff !important;
    text-align: center;
    margin-top: 8px;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .navbar .container {
        height: 56px;
    }

    .mobile-menu {
        top: 56px;
    }
}

/* ========== Hero Banner ========== */
.hero { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); padding: 80px 0; overflow: hidden; }
.hero .container { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; }
.hero-badge { display: inline-block; background: #dbeafe; color: #2563eb; padding: 6px 16px; border-radius: 20px; font-size: 14px; margin-bottom: 20px; }
.hero h1 { font-size: 44px; font-weight: 800; color: #111827; line-height: 1.2; margin-bottom: 20px; }
.hero h1 .highlight { color: #2563eb; }
.hero-desc { font-size: 17px; color: #4b5563; margin-bottom: 28px; line-height: 1.7; }
.hero-btns { margin-bottom: 36px; }
.hero-stats { display: flex; gap: 40px; }
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 28px; font-weight: 700; color: #2563eb; }
.stat-label { font-size: 14px; color: #6b7280; }
.hero-visual { flex-shrink: 0; width: 420px; height: 360px; position: relative; }
.hero-globe { width: 100%; height: 100%; }
.hero-globe-bg { fill: #dbeafe; }
.hero-globe-core { fill: #2563eb; opacity: 0.15; }
.hero-globe-ring { fill: none; stroke: #2563eb; stroke-width: 1.5; opacity: 0.3; }
.hero-globe-dot { fill: #2563eb; }
.hero-globe-line { stroke: #2563eb; stroke-width: 1; opacity: 0.4; }
.hero-label { position: absolute; background: #fff; padding: 8px 16px; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); font-size: 13px; font-weight: 500; }
.hero-label.geo { top: 20%; left: 10%; color: #2563eb; }
.hero-label.ai { bottom: 25%; right: 5%; color: #059669; }
.hero-label.site { top: 50%; right: 0; color: #d97706; }

/* ========== Hero V2 动态地球 ========== */
.hero-visual-v2 {
    flex-shrink: 0;
    width: 560px;
    height: 460px;
    position: relative;
    animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

.hero-visual-v2 .ring-group {
    transform-origin: 280px 230px;
}

.hero-visual-v2 .ring-1 {
    animation: ringSpin1 12s linear infinite;
}

.hero-visual-v2 .ring-2 {
    animation: ringSpin2 18s linear infinite reverse;
}

.hero-visual-v2 .ring-3 {
    animation: ringSpin3 24s linear infinite;
}

.hero-visual-v2 .ring-4 {
    animation: ringSpin4 15s linear infinite reverse;
}

@keyframes ringSpin1 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes ringSpin2 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes ringSpin3 {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes ringSpin4 {
    0% { transform: rotate(45deg); }
    100% { transform: rotate(405deg); }
}

.hero-visual-v2 .hero-globe-dot.pulse {
    animation: dotPulse 2s ease-in-out infinite;
    transform-origin: center;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.5); }
}

.hero-visual-v2 .orbit-dot {
    animation: orbitPulse 3s ease-in-out infinite;
}

.hero-visual-v2 .orbit-dot:nth-child(2n) {
    animation-delay: 0.5s;
}

.hero-visual-v2 .orbit-dot:nth-child(3n) {
    animation-delay: 1s;
}

.hero-visual-v2 .orbit-dot:nth-child(4n) {
    animation-delay: 1.5s;
}

@keyframes orbitPulse {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

.hero-visual-v2 .hero-globe-glow {
    animation: glowBreathe 4s ease-in-out infinite;
    transform-origin: 280px 230px;
}

@keyframes glowBreathe {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

/* V2 标签样式 */
.hero-visual-v2 .hero-label {
    position: absolute;
    background: #fff;
    padding: 10px 18px;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1), 0 0 0 1px rgba(37,99,235,0.08);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    z-index: 10;
    transition: all 0.3s ease;
}

.hero-visual-v2 .hero-label:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}

.hero-visual-v2 .label-seo {
    top: 8%;
    left: 2%;
    color: #2563eb;
    animation: labelFloat1 5s ease-in-out infinite;
}

.hero-visual-v2 .label-geo {
    top: 28%;
    left: -2%;
    color: #2563eb;
    animation: labelFloat2 6s ease-in-out infinite;
}

.hero-visual-v2 .label-site {
    top: 8%;
    right: 2%;
    color: #d97706;
    animation: labelFloat3 5.5s ease-in-out infinite;
}

.hero-visual-v2 .label-social {
    top: 32%;
    right: -4%;
    color: #059669;
    animation: labelFloat4 7s ease-in-out infinite;
}

.hero-visual-v2 .label-ai {
    bottom: 28%;
    right: 2%;
    color: #059669;
    animation: labelFloat5 6.5s ease-in-out infinite;
}

.hero-visual-v2 .label-sem {
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
    color: #dc2626;
    animation: labelFloat6 5s ease-in-out infinite;
}

.hero-visual-v2 .label-service {
    bottom: 20%;
    left: 0%;
    color: #7c3aed;
    animation: labelFloat7 7.5s ease-in-out infinite;
}

.hero-visual-v2 .label-official {
    top: -2%;
    left: 50%;
    transform: translateX(-50%);
    color: #2563eb;
    animation: labelFloat8 6s ease-in-out infinite;
}

.hero-visual-v2 .label-agent {
    top: 50%;
    right: 8%;
    color: #ea580c;
    animation: labelFloat9 5.5s ease-in-out infinite;
}

@keyframes labelFloat1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes labelFloat2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes labelFloat3 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes labelFloat4 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@keyframes labelFloat5 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes labelFloat6 {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes labelFloat7 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

@keyframes labelFloat8 {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes labelFloat9 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-9px); }
}

/* ========== 响应式：V2 地球隐藏 ========== */
@media (max-width: 768px) {
    .hero-visual-v2 { display: none; }
}

/* ========== 信任背书条 ========== */
.trust-bar { background: #F0F3FA; padding: 40px 0; border-bottom: 1px solid #e5e7eb; }
.trust-grid { display: flex; justify-content: space-around; text-align: center; }
.trust-num { display: block; font-size: 32px; font-weight: 700; color: #2563eb; }
.trust-text { font-size: 14px; color: #6b7280; }

/* ========== 核心业务 ========== */
.services { padding: 80px 0; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: #fff; border-radius: 12px; padding: 32px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: transform 0.2s, box-shadow 0.2s; position: relative; }
.service-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
.service-card.highlight { border: 2px solid #2563eb; }
.service-icon { font-size: 36px; margin-bottom: 16px; }
.service-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 10px; color: #111827; }
.service-card p { font-size: 14px; color: #6b7280; line-height: 1.6; }
.badge-new { position: absolute; top: 16px; right: 16px; background: #ef4444; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 10px; }

/* ========== 痛点区 ========== */
.pain-points { padding: 80px 0; background: #F0F3FA; }
.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pain-card { background: #f9fafb; border-radius: 12px; padding: 28px; border-left: 4px solid #2563eb; }
.pain-num { font-size: 14px; font-weight: 700; color: #2563eb; margin-bottom: 10px; }
.pain-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; color: #111827; }
.pain-card p { font-size: 14px; color: #6b7280; line-height: 1.6; }

/* ========== 服务流程 ========== */
.process { padding: 80px 0; }
.process-steps { display: flex; align-items: flex-start; justify-content: center; flex-wrap: wrap; gap: 16px; }
.step { text-align: center; width: 140px; }
.step-num { width: 48px; height: 48px; background: #2563eb; color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; margin: 0 auto 12px; }
.step h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; color: #111827; }
.step p { font-size: 13px; color: #6b7280; line-height: 1.5; }
.step-arrow { font-size: 24px; color: #2563eb; margin-top: 12px; }

/* ========== 价格体系 ========== */
.pricing { padding: 80px 0; background: #F0F3FA; }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pricing-card { background: #f9fafb; border-radius: 16px; padding: 32px 24px; border: 2px solid transparent; transition: all 0.3s; position: relative; }
.pricing-card:hover { border-color: #2563eb; transform: translateY(-4px); box-shadow: 0 12px 32px rgba(37,99,235,0.12); }
.pricing-card.featured { background: linear-gradient(135deg, #eff6ff, #dbeafe); border-color: #2563eb; }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: #2563eb; color: #fff; font-size: 12px; padding: 4px 16px; border-radius: 12px; }
.pricing-name { font-size: 18px; font-weight: 700; color: #111827; margin-bottom: 8px; }
.pricing-price { font-size: 36px; font-weight: 800; color: #2563eb; margin-bottom: 4px; }
.pricing-price span { font-size: 14px; font-weight: 400; color: #6b7280; }
.pricing-desc { font-size: 13px; color: #6b7280; margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid #e5e7eb; }
.pricing-features { list-style: none; }
.pricing-features li { font-size: 13px; color: #4b5563; padding: 6px 0; padding-left: 20px; position: relative; }
.pricing-features li::before { content: '✓'; position: absolute; left: 0; color: #2563eb; font-weight: 700; }
.pricing-btn { display: block; width: 100%; text-align: center; background: #2563eb; color: #fff; padding: 10px; border-radius: 8px; margin-top: 20px; font-size: 14px; transition: background 0.2s; }
.pricing-btn:hover { background: #1d4ed8; }
.pricing-card.featured .pricing-btn { background: #1d4ed8; }

/* ========== 案例区（新版大卡片） ========== */
.cases { padding: 80px 0; background: linear-gradient(180deg, #F0F3FA 0%, #F0F3FA 100%) }
.cases-list { display: flex; flex-direction: column; gap: 24px; }
.case-row { display: grid; grid-template-columns: 420px 1fr; gap: 32px; background: #f9fafb; border-radius: 16px; overflow: hidden; transition: box-shadow 0.3s; }
.case-row:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
.case-row:nth-child(even) { grid-template-columns: 1fr 420px; }
.case-row:nth-child(even) .case-img-wrap { order: 2; }
.case-row:nth-child(even) .case-info { order: 1; }
.case-img-wrap { height: 280px; overflow: hidden; position: relative; }
.case-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.case-img-tag { position: absolute; bottom: 16px; left: 16px; background: rgba(0,0,0,0.7); color: #fbbf24; font-size: 12px; padding: 4px 12px; border-radius: 4px; }
.case-info { padding: 40px 32px; display: flex; flex-direction: column; justify-content: center; }
.case-info h3 { font-size: 24px; font-weight: 700; color: #111827; margin-bottom: 12px; }
.case-info p { font-size: 15px; color: #6b7280; line-height: 1.7; margin-bottom: 20px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.case-tag-item { background: #dbeafe; color: #2563eb; font-size: 13px; padding: 6px 14px; border-radius: 20px; display: flex; align-items: center; gap: 6px; }
.case-tag-item::before { content: '✓'; font-size: 11px; }

/* ========== 文章更新区（6篇，2行3列） ========== */
.articles-section {
    padding: 80px 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.article-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #e5e7eb;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}

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

.article-body {
    padding: 24px;
}

.article-meta {
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 8px;
}

.article-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #111827;
    line-height: 1.4;
}

.article-card p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-link {
    font-size: 14px;
    color: #2563eb;
    font-weight: 500;
}

.article-link:hover {
    text-decoration: underline;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
}


/* ========== 服务覆盖区域（纯图片版） ========== */
.coverage {
    padding: 80px 0 0;
}

/* 地图全屏包裹 */
.map-wrapper {
    position: relative;
    width: 100%;
    margin: 40px 0 0;
    line-height: 0;
}

/* 统计数字 - 绝对定位在图片上 */
.map-stats {
    position: absolute;
    top: 60px;
    left: 80px;
    z-index: 10;
}

.coverage-stat-big {
    margin-bottom: 32px;
}

.coverage-stat-big-num {
    font-size: 56px;
    font-weight: 300;
    color: #2563eb;
    line-height: 1;
}

.coverage-stat-big-num span {
    font-size: 28px;
}

.coverage-stat-big-label {
    font-size: 15px;
    color: #374151;
    margin-top: 6px;
}

/* 地图图片 */
.map-bg {
    width: 100%;
    height: auto;
    display: block;
}

.coverage-bottom {
    text-align: center;
    padding: 30px 0;
}

.coverage-bottom-text {
    font-size: 13px;
    color: #9ca3af;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .map-stats {
        position: relative;
        top: auto;
        left: auto;
        display: flex;
        justify-content: center;
        gap: 40px;
        padding: 30px 20px;
        background: #e8f4fd;
    }

    .coverage-stat-big {
        margin-bottom: 0;
        text-align: center;
    }

    .coverage-stat-big-num {
        font-size: 32px;
    }
}


/* ========== CTA Banner ========== */
.cta-banner { padding: 60px 0; background: linear-gradient(135deg, #2563eb, #1d4ed8); text-align: center; }
.cta-banner h2 { color: #fff; font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.9); font-size: 16px; margin-bottom: 24px; }
.cta-banner .btn { background: #fff; color: #2563eb; font-size: 16px; padding: 14px 36px; }
.cta-banner .btn:hover { background: #f3f4f6; }

/* ========== FAQ ========== */
.faq { padding: 80px 0; background: #F0F3FA; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #e5e7eb; padding: 24px 0; }
.faq-question { font-size: 17px; font-weight: 600; color: #111827; cursor: pointer; position: relative; padding-right: 30px; }
.faq-question::after { content: '+'; position: absolute; right: 0; top: 0; color: #2563eb; font-size: 20px; }
.faq-item.active .faq-question::after { content: '-'; }
.faq-answer { font-size: 14px; color: #6b7280; line-height: 1.7; margin-top: 12px; display: none; }
.faq-item.active .faq-answer { display: block; }

/* ========== Footer ========== */
.footer { background: #111827; color: #9ca3af; padding: 48px 0 24px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; display: flex;align-items: center;margin-bottom: 12px;}
.footer-brand p { font-size: 14px; line-height: 1.8; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: #9ca3af; transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #374151; padding-top: 24px; text-align: center; font-size: 13px; }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .hero .container { flex-direction: column; text-align: center; }
    .hero h1 { font-size: 28px; }
    .hero-stats { justify-content: center; }
    .hero-visual { display: none; }
    .trust-grid { flex-wrap: wrap; gap: 20px; }
    .trust-item { width: 45%; }
    .services-grid { grid-template-columns: 1fr; }
    .pain-grid { grid-template-columns: 1fr; }
    .process-steps { flex-direction: column; align-items: center; }
    .step-arrow { transform: rotate(90deg); }
    .pricing-grid { grid-template-columns: 1fr; }
    .case-row { grid-template-columns: 1fr !important; }
    .case-row:nth-child(even) { grid-template-columns: 1fr !important; }
    .case-row:nth-child(even) .case-img-wrap { order: 1; }
    .case-row:nth-child(even) .case-info { order: 2; }
    .case-img-wrap { height: 200px; }
    .articles-grid { grid-template-columns: 1fr; }
    .coverage-stats { flex-direction: column; gap: 20px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .nav-links { display: none; }
    .section-header h2 { font-size: 24px; }
}



/* ========== 资讯中心页面 ========== */

/* 页面标题区 */
.page-header {
    padding: 60px 0 40px;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 16px;
    color: #6b7280;
}

/* 分类筛选 */
.category-filter {
    padding: 0 0 32px;
    position: sticky;
    top: 64px;
    z-index: 100;
    background: linear-gradient(180deg, #F0F3FA 90%, transparent);
}

.filter-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-item {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: #4b5563;
    background: #fff;
    border: 1px solid #e5e7eb;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}

.filter-item:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.filter-item.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}


/* ========== 资讯中心列表页 ========== */

/* 页面标题区 */
.page-header {
    padding: 60px 0 40px;
    text-align: center;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 12px;
}

.page-header p {
    font-size: 16px;
    color: #6b7280;
}

/* 分类筛选 */
.category-filter {
    padding: 0 0 32px;
    position: sticky;
    top: 64px;
    z-index: 100;
    background: linear-gradient(180deg, #F0F3FA 90%, transparent);
}

.filter-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-item {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: #4b5563;
    background: #fff;
    border: 1px solid #e5e7eb;
    transition: all 0.2s;
    cursor: pointer;
    text-decoration: none;
}

.filter-item:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.filter-item.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

/* 文章列表 */
.articles-list-section {
    padding: 0 0 80px;
}

.articles-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: all 0.3s;
    border: 1px solid #e5e7eb;
}

.article-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(37,99,235,0.1);
    border-color: #bfdbfe;
}

.article-link-wrap {
    display: block;
    text-decoration: none;
    color: inherit;
}

.article-thumb {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: #e5e7eb;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.article-item:hover .article-thumb img {
    transform: scale(1.08);
}

.article-category-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(37,99,235,0.9);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 500;
}

.article-content {
    padding: 20px 24px 24px;
}

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #9ca3af;
}

.article-meta-top svg {
    vertical-align: text-bottom;
    margin-right: 4px;
}

.article-date, .article-views {
    display: inline-flex;
    align-items: center;
}

.article-title {
    font-size: 17px;
    font-weight: 600;
    color: #111827;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 51px;
}

.article-summary {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #2563eb;
    font-weight: 500;
    transition: gap 0.2s;
}

.article-item:hover .article-read-more {
    gap: 10px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    color: #4b5563;
    background: #fff;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    transition: all 0.2s;
}

.page-btn:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.page-btn.active {
    background: #2563eb;
    color: #fff;
    border-color: #2563eb;
}

.page-ellipsis {
    color: #9ca3af;
    padding: 0 4px;
}

/* ========== 文章详情页 ========== */

/* 面包屑 */
.breadcrumb-section {
    padding: 20px 0;
    background: #F0F3FA;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #6b7280;
}

.breadcrumb a {
    color: #4b5563;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #2563eb;
}

.breadcrumb-sep {
    color: #d1d5db;
}

.breadcrumb-current {
    color: #9ca3af;
}

/* 文章头部 */
.article-header {
    padding: 24px 0 32px;
    text-align: center;
    background: #F0F3FA;
}

.article-meta-top {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-category-badge {
    background: #2563eb;
    color: #fff;
    padding: 4px 14px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

.article-date,
.article-views {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #6b7280;
}

.article-title {
    font-size: 32px;
    font-weight: 700;
    color: #111827;
    line-height: 1.4;
    max-width: 800px;
    margin: 0 auto;
}

/* 文章封面 */
.article-cover {
    padding: 0 0 40px;
    background: #F0F3FA;
}

.cover-image-wrap {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.cover-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
}

/* 文章正文 - 微盟风格 */
.article-body-section {
    padding: 40px 0 60px;
}

.article-content {
    max-width: 760px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.8;
    color: #374151;
}

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

/* 大标题 - 斜体蓝色 */
.article-content h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 48px 0 24px;
    font-style: italic;
    line-height: 1.3;
}

/* 小标题 */
.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1f2937;
    margin: 32px 0 16px;
}

/* 粗体 */
.article-content strong {
    color: #111827;
    font-weight: 600;
}

/* 引用块 */
.article-content blockquote {
    margin: 32px 0;
    padding: 24px 28px;
    background: #f0f7ff;
    border-left: 4px solid #2563eb;
    border-radius: 0 8px 8px 0;
}

.article-content blockquote p {
    margin: 0;
    color: #4b5563;
    font-style: normal;
}

/* 图片 */
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 32px 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* 列表 */
.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 28px;
}

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

/* 分割线 */
.article-content hr {
    border: none;
    height: 1px;
    background: #e5e7eb;
    margin: 40px 0;
}

/* 代码块 */
.article-content pre {
    background: #1f2937;
    color: #e5e7eb;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
}

.article-content code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    color: #2563eb;
}

/* 相关文章 */
.related-articles {
    padding: 60px 0 80px;
    background: #F0F3FA;
}

.related-articles .section-header {
    margin-bottom: 32px;
}

.related-articles .section-header h2 {
    font-size: 35px;
    font-weight: 700;
    color: #111827;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    transition: all 0.3s;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.related-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.related-thumb {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #e5e7eb;
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.related-card:hover .related-thumb img {
    transform: scale(1.08);
}

.related-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(37,99,235,0.9);
    color: #fff;
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
}

.related-info {
    padding: 16px 20px 20px;
}

.related-date {
    font-size: 13px;
    color: #9ca3af;
    margin-bottom: 8px;
    display: block;
}

.related-title {
    font-size: 15px;
    font-weight: 600;
    color: #111827;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .articles-list {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .page-header h1 {
        font-size: 28px;
    }

    .page-header {
        padding: 40px 0 24px;
    }

    .category-filter {
        top: 56px;
        padding: 0 0 20px;
    }

    .filter-list {
        gap: 8px;
        padding: 0 4px;
    }

    .filter-item {
        padding: 6px 14px;
        font-size: 13px;
    }

    .articles-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .article-thumb {
        height: 180px;
    }

    .article-title {
        font-size: 16px;
        min-height: auto;
    }

    .pagination {
        gap: 4px;
    }

    .page-btn {
        padding: 6px 12px;
        font-size: 13px;
    }

    .article-header {
        padding: 16px 0 24px;
    }

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

    .article-meta-top {
        gap: 12px;
    }

    .article-content {
        font-size: 15px;
    }

    .article-content h2 {
        font-size: 22px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .cover-image-wrap {
        border-radius: 0;
    }

    .article-content img {
        border-radius: 8px;
        margin: 24px 0;
    }

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

    .related-thumb {
        height: 200px;
    }
}