* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --color-dark-bg: #0f1c30;
    --color-darker: #070e19;
    --color-primary-blue: #1677ff;
    --color-blue-light: #42a5ff;
    --color-white: #ffffff;
    --color-gray-light: #f4f7fa;
    --color-text-dark: #1a202c;
    --color-text-gray: #64748b;
    --border-light: #dde2ec;
    --transition-base: all 0.3s ease;
}
body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--color-gray-light);
}
ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    /* padding: 0 0px; */
}
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
}
.btn-lg {
    padding: 14px 26px;
    font-size: 14px;
}
.btn-block {
    width: 100%;
    justify-content: center;
}
.btn-primary {
    background-color: var(--color-primary-blue);
    color: var(--color-white);
}
.btn-primary:hover {
    background-color: #0f64dd;
}
.btn-outline {
    background-color: transparent;
    color: var(--color-text-dark);
    border: 1px solid var(--border-light);
}
.btn-outline:hover {
    border-color: var(--color-primary-blue);
    color: var(--color-primary-blue);
}
.btn-outline-white {
    background-color: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.45);
}
.btn-outline-white:hover {
    border-color: #fff;
}

/* ===== Header（和首页完全一致） ===== */
.site-header {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 999;
    padding: 16px 0;
}
.header-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
}
.logo-icon {
    font-size: 24px;
}
.logo-text strong {
    display: block;
    font-size: 18px;
    letter-spacing: 1px;
}
.logo-text small {
    font-size: 10px;
    opacity: 0.8;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-list {
    display: flex;
    gap: 26px;
}
.nav-item a {
    color: #ffffff;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-item.active a {
    color: var(--color-blue-light);
}
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 24px;
}

/* ===== Blog Hero 头部大图区域 ===== */
.blog-hero {
    background-color: var(--color-dark-bg);
    background-image: url('../images/banner.jpg');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    min-height: 460px;
    padding-top: 120px;
    color: #ffffff;
}
.breadcrumb-wrap {
    margin-bottom:40px;
}
.breadcrumbs {
    font-size: 13px;
    color: rgba(255,255,255,0.75);
}
.breadcrumbs a {
    color: var(--color-blue-light);
}
.breadcrumbs .current {
    color:#fff;
}
.blog-hero-content h1 {
    font-size:42px;
    margin-bottom:12px;
}
.divider-line {
    width:44px;
    height:3px;
    background-color: var(--color-primary-blue);
    margin-bottom:18px;
}
.blog-hero-content p {
    font-size:15px;
    opacity:0.82;
    line-height:1.7;
}

/* ===== Blog页面主体两栏布局 ===== */
.blog-page-wrap {
    padding: 50px 0 70px;
}
.blog-layout-row {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap:36px;
}

/* ===== 左侧主内容区 ===== */
.blog-filter-tabs {
    display:flex;
    gap:8px;
    flex-wrap:wrap;
    margin-bottom:30px;
}
.filter-tab {
    border: none;
    background:#ffffff;
    padding:9px 14px;
    border-radius:4px;
    font-size:13px;
    cursor:pointer;
    transition: var(--transition-base);
}
.filter-tab.active {
    background-color: var(--color-primary-blue);
    color:#fff;
}

.blog-post-list {
    display:flex;
    flex-direction:column;
    gap:24px;
}
.blog-post-item {
    display:grid;
    grid-template-columns: 360px 1fr;
    gap:20px;
    background:#ffffff;
    border-radius:4px;
    overflow:hidden;
    border:1px solid var(--border-light);
}
.post-img {
    height:230px;
}
.post-body {
    padding:20px 20px 16px 0;
}
.post-category {
    font-size:12px;
    text-transform:uppercase;
    color:var(--color-primary-blue);
    font-weight:600;
    display:inline-block;
    margin-bottom:6px;
}
.post-body h3 {
    font-size:18px;
    line-height:1.35;
    margin-bottom:10px;
}
.post-body h3 a:hover {
    color:var(--color-primary-blue);
}
.post-body p {
    font-size:14px;
    color:var(--color-text-gray);
    margin-bottom:14px;
}
.post-meta-row {
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    align-items:center;
    font-size:12px;
    color:var(--color-text-gray);
}
.read-more-link {
    margin-left:auto;
    color:var(--color-primary-blue);
    font-weight:600;
    display:flex;
    align-items:center;
    gap:4px;
}

/* 分页 */
.blog-pagination {
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    margin-top:36px;
}
.page-btn {
    width:36px;
    height:36px;
    border-radius:3px;
    border:1px solid var(--border-light);
    background:#fff;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:14px;
}
.page-btn.active {
    background-color: var(--color-primary-blue);
    border-color:var(--color-primary-blue);
    color:#fff;
}
.page-dots {
    padding:0 6px;
}

/* ===== 右侧侧边栏 ===== */
.blog-sidebar {}
.sidebar-widget {
    background:#ffffff;
    border:1px solid var(--border-light);
    border-radius:4px;
    padding:22px;
    margin-bottom:22px;
}
.sidebar-widget h4 {
    font-size:16px;
    margin-bottom:14px;
    padding-bottom:8px;
    border-bottom:1px solid var(--border-light);
}

/* 搜索组件 */
.search-input-wrap {
    position:relative;
}
.search-input-wrap input {
    width:100%;
    border:1px solid var(--border-light);
    border-radius:3px;
    padding:10px 38px 10px 12px;
    font-size:13px;
}
.search-submit {
    position:absolute;
    right:0;
    top:0;
    height:100%;
    width:36px;
    border:none;
    background:transparent;
    cursor:pointer;
    color:var(--color-text-gray);
}

/* 分类列表 */
.cat-list li {
    margin-bottom:9px;
}
.cat-list a {
    display:flex;
    justify-content:space-between;
    font-size:14px;
    color:var(--color-text-gray);
}
.cat-list a:hover {
    color:var(--color-primary-blue);
}
.cat-count {
    color:var(--color-text-gray);
}

/* Popular Posts */
.popular-post-list {
    display:flex;
    flex-direction:column;
    gap:14px;
}
.popular-post-item {
    display:grid;
    grid-template-columns:80px 1fr;
    gap:10px;
}
.pop-thumb {
    height:64px;
    border-radius:3px;
    overflow:hidden;
}
.pop-text a {
    font-size:13px;
    line-height:1.4;
}
.pop-text a:hover {
    color:var(--color-primary-blue);
}
.pop-date {
    font-size:11px;
    color:var(--color-text-gray);
    margin-top:3px;
}

/* Newsletter */
.widget-newsletter .nl-icon {
    font-size:24px;
    color:var(--color-primary-blue);
    margin-bottom:8px;
}
.widget-newsletter p {
    font-size:13px;
    color:var(--color-text-gray);
    margin-bottom:14px;
}
.widget-newsletter input {
    width:100%;
    border:1px solid var(--border-light);
    border-radius:3px;
    padding:10px 12px;
    font-size:13px;
    margin-bottom:12px;
}

/* ===== Footer（和首页完全一致） ===== */
.site-footer {
    background-color:#070e19;
    color:#bbbbbb;
    padding:54px 0 24px;
    font-size:13px;
}
.footer-top {
    display:grid;
    grid-template-columns: 1.8fr repeat(4, 1fr);
    gap:32px;
    margin-bottom:40px;
}
.footer-logo {
    margin-bottom:14px;
}
.brand-col p {
    margin-bottom:18px;
    line-height:1.65;
}
.social-links {
    display:flex;
    gap:14px;
}
.social-links a {
    width:32px;
    height:32px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,0.2);
    display:flex;
    align-items:center;
    justify-content:center;
}
.footer-col h4 {
    color:#fff;
    font-size:15px;
    margin-bottom:16px;
}
.footer-col ul li {
    margin-bottom:9px;
}
.footer-col ul li a:hover {
    color:var(--color-blue-light);
}
.contact-footer-list li {
    display:flex;
    gap:8px;
}
.footer-bottom {
    display:flex;
    justify-content:space-between;
    padding-top:20px;
    border-top:1px solid rgba(255,255,255,0.08);
}
.footer-links a {
    margin-left:22px;
}

/* ===== 响应式媒体查询 ===== */
@media(max-width:1024px) {
    .blog-layout-row {
        grid-template-columns: 1fr;
    }
    .blog-post-item {
        grid-template-columns: 1fr;
    }
    .post-body {
        padding:0 20px 20px;
    }
    .footer-top {
        grid-template-columns: repeat(2,1fr);
    }
}
@media(max-width:768px) {
    .main-nav {
        display:none;
    }
    .menu-toggle {
        display:block;
    }
    .blog-hero-content h1 {
        font-size:32px;
    }
    .blog-hero {
        min-height:380px;
    }
    .footer-top {
        grid-template-columns:1fr;
    }
    .footer-bottom {
        flex-direction:column;
        gap:10px;
    }
}
@media(max-width:480px) {
    .blog-filter-tabs {
        justify-content:center;
    }
    .post-meta-row {
        flex-direction:column;
        align-items:flex-start;
    }
    .read-more-link {
        margin-left:0;
        margin-top:6px;
    }
}