/* ==========================================================================
   Blog 经典博客模板 - 米白纸感 × 墨绿 × 暖橙
   ========================================================================== */

:root {
    --bl-bg: #f6f3ec;
    --bl-bg-alt: #efece3;
    --bl-card: #fffdf8;
    --bl-border: #e4dfd2;
    --bl-green: #2f5d46;
    --bl-green-dark: #244a37;
    --bl-orange: #e07b39;
    --bl-text: #3b3a36;
    --bl-text-dim: #7a756a;
    --bl-text-faint: #a8a294;
    --bl-radius: 16px;
    --bl-shadow: 0 6px 24px rgba(60, 50, 30, 0.08);
    --bl-shadow-hover: 0 14px 36px rgba(60, 50, 30, 0.14);
    --bl-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--bl-font);
    color: var(--bl-text);
    background: var(--bl-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--bl-green);
    text-decoration: none;
    transition: all 0.25s ease;
}

a:hover {
    color: var(--bl-orange);
}

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

ul,
ol {
    list-style: none;
}

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

/* ==================== 顶部导航 ==================== */

.bl-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 253, 248, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--bl-border);
}

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

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

.bl-logo-badge {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    color: #fff;
    background: linear-gradient(135deg, var(--bl-green), var(--bl-green-dark));
    box-shadow: 0 6px 16px rgba(47, 93, 70, 0.3);
    font-size: 1.05rem;
}

.bl-logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--bl-green-dark);
    letter-spacing: 0.5px;
}

.bl-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.bl-nav-links a {
    display: block;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--bl-text-dim);
}

.bl-nav-links a:hover {
    color: #fff;
    background: var(--bl-green);
}

.bl-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.bl-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--bl-green-dark);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.bl-menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.bl-menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.bl-menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==================== 博客题头 ==================== */

.bl-hero {
    background:
        radial-gradient(ellipse at 20% 0%, rgba(224, 123, 57, 0.1), transparent 55%),
        radial-gradient(ellipse at 85% 30%, rgba(47, 93, 70, 0.12), transparent 55%),
        var(--bl-bg-alt);
    border-bottom: 1px solid var(--bl-border);
    padding: 74px 0 60px;
    text-align: center;
}

.bl-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--bl-orange);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 18px;
}

.bl-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--bl-green-dark);
    letter-spacing: 1px;
    margin-bottom: 14px;
}

.bl-hero-subtitle {
    max-width: 620px;
    margin: 0 auto 30px;
    color: var(--bl-text-dim);
    font-size: 1.05rem;
}

.bl-hero-search {
    display: flex;
    max-width: 520px;
    margin: 0 auto;
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: 999px;
    padding: 6px 6px 6px 24px;
    box-shadow: var(--bl-shadow);
    transition: all 0.3s ease;
}

.bl-hero-search:focus-within {
    border-color: var(--bl-green);
    box-shadow: var(--bl-shadow-hover);
}

.bl-search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 0.98rem;
    color: var(--bl-text);
    background: transparent;
}

.bl-search-input::placeholder {
    color: var(--bl-text-faint);
}

.bl-search-btn {
    border: none;
    cursor: pointer;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--bl-green);
    transition: all 0.3s ease;
}

.bl-search-btn:hover {
    background: var(--bl-orange);
    transform: scale(1.02);
}

/* ==================== 主布局 ==================== */

.bl-main {
    padding: 48px 0 60px;
}

.bl-main-grid {
    display: grid;
    grid-template-columns: 1fr 330px;
    gap: 40px;
    align-items: start;
}

.bl-content {
    min-width: 0;
}

/* ==================== 列表头 ==================== */

.bl-list-head {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 26px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--bl-green);
}

.bl-list-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--bl-green-dark);
}

.bl-list-title i {
    color: var(--bl-orange);
    margin-right: 6px;
}

.bl-list-subtitle {
    font-size: 0.82rem;
    color: var(--bl-text-faint);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ==================== 文章时间线流 ==================== */

.bl-timeline {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.bl-post {
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    overflow: hidden;
    transition: all 0.35s ease;
}

.bl-post:hover {
    transform: translateY(-4px);
    border-color: rgba(47, 93, 70, 0.4);
    box-shadow: var(--bl-shadow-hover);
}

.bl-post-link {
    display: flex;
    gap: 22px;
    padding: 22px;
    color: inherit;
}

.bl-post-cover {
    width: 220px;
    height: 148px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
}

.bl-post-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.bl-post:hover .bl-post-img {
    transform: scale(1.06);
}

.bl-post-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.bl-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-bottom: 8px;
    font-size: 0.82rem;
    color: var(--bl-text-faint);
}

.bl-post-meta i {
    color: var(--bl-orange);
    margin-right: 4px;
}

.bl-post-cat {
    color: var(--bl-green);
    font-weight: 600;
}

.bl-post-title {
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    line-height: 1.45;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bl-post:hover .bl-post-title {
    color: var(--bl-orange);
}

.bl-post-excerpt {
    font-size: 0.94rem;
    color: var(--bl-text-dim);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bl-post-more {
    margin-top: auto;
    align-self: flex-start;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--bl-green);
}

.bl-post-more i {
    transition: transform 0.3s ease;
}

.bl-post:hover .bl-post-more i {
    transform: translateX(4px);
}

/* ==================== 栏目归档 ==================== */

.bl-archives {
    margin-top: 48px;
}

.bl-archives-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.bl-archive-card {
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    padding: 22px 24px;
    transition: all 0.3s ease;
}

.bl-archive-card:hover {
    border-color: rgba(224, 123, 57, 0.4);
    box-shadow: var(--bl-shadow);
}

.bl-archive-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    margin-bottom: 10px;
    border-bottom: 1px dashed var(--bl-border);
}

.bl-archive-name a {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--bl-green-dark);
}

.bl-archive-name i {
    color: var(--bl-orange);
    margin-right: 6px;
}

.bl-archive-name a:hover {
    color: var(--bl-orange);
}

.bl-archive-more {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--bl-green);
}

.bl-archive-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
}

.bl-archive-list li a {
    color: var(--bl-text-dim);
    font-size: 0.94rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bl-archive-list li a:hover {
    color: var(--bl-orange);
}

.bl-archive-date {
    flex-shrink: 0;
    font-size: 0.78rem;
    color: var(--bl-text-faint);
}

/* ==================== 分站 ==================== */

.bl-branch {
    background: var(--bl-bg-alt);
    border-top: 1px solid var(--bl-border);
    padding: 40px 0;
}

.bl-branch-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    margin-bottom: 20px;
}

.bl-branch-title i {
    color: var(--bl-orange);
}

.bl-branch-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.bl-tag-item {
    display: inline-block;
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 0.88rem;
    color: var(--bl-green);
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    transition: all 0.3s ease;
}

.bl-tag-item:hover {
    color: #fff;
    background: var(--bl-green);
    border-color: var(--bl-green);
    transform: translateY(-2px);
}

.bl-tag-lg {
    padding: 9px 22px;
    font-size: 0.95rem;
}

.bl-tag-plain {
    color: var(--bl-text-dim);
}

.bl-tag-static {
    cursor: default;
    color: var(--bl-green);
}

/* ==================== 侧边栏 ==================== */

.bl-sidebar {
    display: flex;
    flex-direction: column;
    gap: 26px;
    position: sticky;
    top: 88px;
}

.bl-widget {
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    padding: 24px;
    box-shadow: var(--bl-shadow);
}

.bl-widget-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bl-widget-title i {
    color: var(--bl-orange);
}

/* 关于本站 */
.bl-widget-about {
    text-align: center;
}

.bl-about-avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.5rem;
    color: #fff;
    background: linear-gradient(135deg, var(--bl-green), var(--bl-green-dark));
    box-shadow: 0 8px 20px rgba(47, 93, 70, 0.3);
}

.bl-about-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    margin-bottom: 8px;
}

.bl-about-desc {
    font-size: 0.88rem;
    color: var(--bl-text-dim);
    line-height: 1.8;
}

/* 热门文章 */
.bl-widget-articles {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.bl-widget-articles li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--bl-border);
}

.bl-widget-articles li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.bl-widget-link {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.bl-widget-rank {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--bl-green);
    background: rgba(47, 93, 70, 0.08);
}

.bl-widget-rank i {
    color: var(--bl-orange);
}

.bl-widget-body {
    flex: 1;
    min-width: 0;
}

.bl-widget-title-item {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--bl-text);
    line-height: 1.5;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bl-widget-link:hover .bl-widget-title-item {
    color: var(--bl-orange);
}

.bl-widget-meta {
    display: flex;
    gap: 12px;
    font-size: 0.76rem;
    color: var(--bl-text-faint);
}

.bl-widget-meta i {
    color: var(--bl-orange);
    margin-right: 3px;
}

/* 标签云 */
.bl-widget-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.bl-widget-tags .bl-tag-item {
    padding: 6px 14px;
    font-size: 0.82rem;
}

/* ==================== 列表页头 ==================== */

.bl-page-head {
    background: var(--bl-bg-alt);
    border-bottom: 1px solid var(--bl-border);
    padding: 42px 0 36px;
    text-align: center;
}

.bl-page-title {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--bl-green-dark);
    margin-bottom: 8px;
}

.bl-page-title i {
    color: var(--bl-orange);
}

.bl-page-desc {
    color: var(--bl-text-dim);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.bl-breadcrumb {
    font-size: 0.88rem;
    color: var(--bl-text-faint);
}

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

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

.bl-breadcrumb-sep {
    margin: 0 8px;
}

.bl-breadcrumb-current {
    color: var(--bl-green);
    font-weight: 600;
}

.bl-search-box {
    display: flex;
    max-width: 520px;
    margin: 0 auto;
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: 999px;
    padding: 6px 6px 6px 24px;
    box-shadow: var(--bl-shadow);
}

.bl-search-box:focus-within {
    border-color: var(--bl-green);
}

/* ==================== 空状态 ==================== */

.bl-empty {
    text-align: center;
    padding: 70px 20px;
    background: var(--bl-card);
    border: 1px dashed var(--bl-border);
    border-radius: var(--bl-radius);
}

.bl-empty-icon {
    font-size: 3rem;
    color: rgba(224, 123, 57, 0.4);
    margin-bottom: 16px;
}

.bl-empty h3 {
    font-size: 1.2rem;
    color: var(--bl-green-dark);
    margin-bottom: 8px;
}

.bl-empty p {
    color: var(--bl-text-dim);
    margin-bottom: 24px;
}

.bl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: var(--bl-green);
    transition: all 0.3s ease;
}

.bl-btn:hover {
    background: var(--bl-orange);
    color: #fff;
    transform: translateY(-2px);
}

.bl-btn-ghost {
    color: var(--bl-green);
    background: transparent;
    border: 1px solid var(--bl-green);
}

.bl-btn-ghost:hover {
    color: #fff;
    background: var(--bl-green);
}

/* ==================== 分页 ==================== */

.bl-pagination {
    margin-top: 36px;
    display: flex;
    justify-content: center;
}

.bl-pagination a,
.bl-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    margin: 0 4px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--bl-text-dim);
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    transition: all 0.25s ease;
}

.bl-pagination a:hover {
    color: #fff;
    background: var(--bl-green);
    border-color: var(--bl-green);
}

.bl-pagination .active {
    color: #fff;
    background: var(--bl-green);
    border-color: var(--bl-green);
}

/* ==================== 详情页 ==================== */

.bl-article {
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    padding: 36px;
    box-shadow: var(--bl-shadow);
}

.bl-article-head {
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--bl-border);
}

.bl-article-cat {
    display: inline-block;
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    background: var(--bl-orange);
    margin-bottom: 14px;
}

.bl-article-title {
    font-size: clamp(1.4rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--bl-green-dark);
    line-height: 1.4;
    margin-bottom: 16px;
}

.bl-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.86rem;
    color: var(--bl-text-faint);
}

.bl-article-meta i {
    color: var(--bl-orange);
    margin-right: 5px;
}

.bl-article-heroimg {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
}

.bl-article-heroimg img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}

/* 正文 */
.bl-article-body {
    font-size: 1.04rem;
    line-height: 1.95;
    color: var(--bl-text);
}

.bl-article-body p {
    margin-bottom: 1.2em;
}

.bl-article-body h2,
.bl-article-body h3,
.bl-article-body h4 {
    color: var(--bl-green-dark);
    margin: 1.6em 0 0.8em;
    line-height: 1.4;
}

.bl-article-body img {
    border-radius: 12px;
    margin: 1.4em auto;
    box-shadow: var(--bl-shadow-hover);
}

.bl-article-body blockquote {
    border-left: 4px solid var(--bl-orange);
    background: var(--bl-bg);
    padding: 16px 22px;
    margin: 1.4em 0;
    border-radius: 0 12px 12px 0;
    color: var(--bl-text-dim);
}

.bl-article-body ul,
.bl-article-body ol {
    padding-left: 1.4em;
    margin-bottom: 1.2em;
}

.bl-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4em 0;
}

.bl-article-body th,
.bl-article-body td {
    border: 1px solid var(--bl-border);
    padding: 10px 14px;
    text-align: left;
}

.bl-article-body th {
    background: var(--bl-bg);
    color: var(--bl-green-dark);
}

/* 标签与分享 */
.bl-article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    border-top: 1px solid var(--bl-border);
    margin-top: 32px;
    padding-top: 22px;
}

.bl-tags-label,
.bl-share-label {
    font-size: 0.9rem;
    color: var(--bl-text-faint);
    margin-right: 4px;
}

.bl-tag-static,
.bl-article-tags .bl-tag-item {
    margin-right: 6px;
}

.bl-share-btn {
    width: 38px;
    height: 38px;
    border: 1px solid var(--bl-border);
    border-radius: 50%;
    background: var(--bl-bg);
    cursor: pointer;
    color: var(--bl-text-dim);
    font-size: 0.98rem;
    transition: all 0.25s ease;
    vertical-align: middle;
}

.bl-share-btn:hover {
    color: #fff;
    background: var(--bl-green);
    border-color: var(--bl-green);
}

.bl-footer-social .bl-share-btn {
    width: 36px;
    height: 36px;
    color: var(--bl-text-faint);
}

/* 作者卡片 */
.bl-author-card {
    display: flex;
    gap: 18px;
    align-items: center;
    background: var(--bl-bg-alt);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    padding: 22px 26px;
    margin-top: 24px;
}

.bl-author-avatar {
    width: 56px;
    height: 56px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
    color: #fff;
    background: linear-gradient(135deg, var(--bl-green), var(--bl-green-dark));
}

.bl-author-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    margin-bottom: 4px;
}

.bl-author-bio {
    font-size: 0.88rem;
    color: var(--bl-text-dim);
    line-height: 1.7;
}

/* 上一篇/下一篇 */
.bl-article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.bl-nav-item {
    display: block;
    padding: 16px 20px;
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    background: var(--bl-card);
    transition: all 0.3s ease;
}

.bl-nav-item:hover {
    border-color: var(--bl-orange);
    box-shadow: var(--bl-shadow);
}

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

.bl-nav-label {
    display: block;
    font-size: 0.8rem;
    color: var(--bl-text-faint);
    margin-bottom: 6px;
}

.bl-nav-title {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bl-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.bl-nav-item:hover .bl-nav-title {
    color: var(--bl-orange);
}

/* 相关推荐 */
.bl-related {
    margin-top: 32px;
}

.bl-related-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bl-green-dark);
    margin-bottom: 18px;
}

.bl-related-title i {
    color: var(--bl-orange);
}

.bl-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.bl-related-card {
    display: block;
    background: var(--bl-card);
    border: 1px solid var(--bl-border);
    border-radius: var(--bl-radius);
    padding: 18px;
    transition: all 0.3s ease;
}

.bl-related-card:hover {
    border-color: var(--bl-orange);
    box-shadow: var(--bl-shadow);
}

.bl-related-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bl-text);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bl-related-card:hover .bl-related-name {
    color: var(--bl-orange);
}

.bl-related-meta {
    display: flex;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--bl-text-faint);
}

.bl-related-meta i {
    color: var(--bl-orange);
    margin-right: 3px;
}

/* ==================== 页脚 ==================== */

.bl-footer {
    background: var(--bl-green-dark);
    color: rgba(255, 255, 255, 0.72);
    margin-top: 20px;
}

.bl-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding: 48px 0 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.bl-footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
}

.bl-footer-title i {
    color: var(--bl-orange);
    margin-right: 6px;
}

.bl-footer-text {
    font-size: 0.88rem;
    line-height: 1.8;
}

.bl-footer-links li {
    margin-bottom: 10px;
}

.bl-footer-links a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.88rem;
}

.bl-footer-links a i {
    color: var(--bl-orange);
    margin-right: 6px;
    font-size: 0.8rem;
}

.bl-footer-links a:hover {
    color: #fff;
}

.bl-footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.5);
}

.bl-footer-icp {
    margin-top: 4px;
}

/* ==================== 提示 / 回到顶部 ==================== */

.bl-wechat-tip {
    position: fixed;
    left: 50%;
    bottom: 90px;
    transform: translateX(-50%) translateY(20px);
    background: var(--bl-green-dark);
    color: #fff;
    padding: 12px 24px;
    border-radius: 999px;
    font-size: 0.88rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
    z-index: 200;
    box-shadow: var(--bl-shadow-hover);
}

.bl-wechat-tip.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.bl-back-top {
    position: fixed;
    right: 24px;
    bottom: 30px;
    width: 46px;
    height: 46px;
    border: none;
    border-radius: 50%;
    color: #fff;
    background: var(--bl-green);
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(47, 93, 70, 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all 0.35s ease;
    z-index: 90;
}

.bl-back-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.bl-back-top:hover {
    background: var(--bl-orange);
}

/* ==================== 404 ==================== */

.bl-404 {
    text-align: center;
    padding: 90px 20px 100px;
}

.bl-404-code {
    font-size: clamp(5rem, 12vw, 8rem);
    font-weight: 800;
    line-height: 1;
    color: var(--bl-green);
    opacity: 0.25;
    margin-bottom: 12px;
}

.bl-404-title {
    font-size: 1.6rem;
    color: var(--bl-green-dark);
    margin-bottom: 10px;
}

.bl-404-text {
    color: var(--bl-text-dim);
    margin-bottom: 30px;
}

.bl-404 .bl-btn {
    margin: 0 6px;
}

/* ==================== 响应式 ==================== */

@media (max-width: 992px) {
    .bl-main-grid {
        grid-template-columns: 1fr;
    }

    .bl-sidebar {
        position: static;
    }

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

@media (max-width: 768px) {
    .bl-navbar {
        height: 58px;
    }

    .bl-menu-toggle {
        display: flex;
    }

    .bl-nav {
        position: fixed;
        top: 58px;
        left: 0;
        right: 0;
        background: var(--bl-card);
        padding: 10px 20px 20px;
        transform: translateY(-120%);
        transition: transform 0.35s ease;
        box-shadow: 0 12px 28px rgba(60, 50, 30, 0.15);
        z-index: 99;
        border-bottom: 1px solid var(--bl-border);
    }

    .bl-nav.open {
        transform: translateY(0);
    }

    .bl-nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .bl-nav-links a {
        padding: 12px 16px;
        border-radius: 10px;
    }

    .bl-hero {
        padding: 56px 0 46px;
    }

    .bl-hero-search {
        flex-direction: column;
        gap: 10px;
        background: transparent;
        padding: 0;
        border: none;
        box-shadow: none;
    }

    .bl-hero-search .bl-search-input {
        padding: 15px 20px;
        border-radius: 999px;
        background: var(--bl-card);
        border: 1px solid var(--bl-border);
    }

    .bl-hero-search .bl-search-btn {
        justify-content: center;
    }

    .bl-main {
        padding: 36px 0 46px;
    }

    .bl-post-link {
        flex-direction: column;
        padding: 18px;
    }

    .bl-post-cover {
        width: 100%;
        height: 180px;
    }

    .bl-archives-grid {
        grid-template-columns: 1fr;
    }

    .bl-article-nav {
        grid-template-columns: 1fr;
    }

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

    .bl-article {
        padding: 22px;
    }

    .bl-footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}