/* =========================================================================
 * Lingshi · Classic 主题样式表
 *
 * 结构：变量与基础 → 布局 → 头部/导航 → 列表卡片 → 文章页
 *       → 评论 → 分页 → 侧边栏组件 → 页脚 → 其它页面 → 富文本内容 → 响应式
 *
 * 配色：浅色为默认，html[data-theme="dark"] 覆盖同一组变量实现深色模式。
 * ========================================================================= */

/* ---------- 1. 变量与基础 ---------- */

:root {
    --ls-primary: #2f7ee4;
    --ls-primary-soft: rgba(47, 126, 228, .1);
    --ls-danger: #e4573d;
    --ls-radius: 10px;
    --ls-radius-sm: 6px;

    --ls-bg: #f5f6f8;
    --ls-card: #ffffff;
    --ls-border: #e8eaee;
    --ls-text: #2b2f36;
    --ls-text-2: #5b636e;
    --ls-text-3: #939ba6;

    --ls-shadow: 0 2px 14px rgba(20, 30, 50, .06);
    --ls-shadow-lg: 0 10px 30px rgba(20, 30, 50, .1);
    --ls-code-bg: #f4f5f7;

    --ls-max-width: 1180px;
    --ls-side-width: 300px;
    --ls-header-h: 62px;
}

html[data-theme="dark"] {
    --ls-primary: #5aa0f0;
    --ls-primary-soft: rgba(90, 160, 240, .16);

    --ls-bg: #14161a;
    --ls-card: #1c1f25;
    --ls-border: #2a2e36;
    --ls-text: #dfe3e9;
    --ls-text-2: #a8b0bb;
    --ls-text-3: #767e8a;

    --ls-shadow: 0 2px 14px rgba(0, 0, 0, .3);
    --ls-shadow-lg: 0 10px 30px rgba(0, 0, 0, .45);
    --ls-code-bg: #22262e;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--ls-header-h) + 16px);
}

body.ls-body {
    margin: 0;
    background: var(--ls-bg);
    color: var(--ls-text);
    font: 15px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    word-wrap: break-word;
    overflow-wrap: anywhere;
    transition: background-color .2s ease, color .2s ease;
}

a {
    color: var(--ls-text);
    text-decoration: none;
    transition: color .15s ease;
}

a:hover {
    color: var(--ls-primary);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    font-weight: 600;
    margin: 0 0 .6em;
}

img {
    max-width: 100%;
    height: auto;
    border: 0;
}

ul, ol {
    margin: 0 0 1em;
    padding-left: 1.4em;
}

hr {
    border: 0;
    border-top: 1px solid var(--ls-border);
    margin: 22px 0;
}

input,
textarea,
button,
select {
    font-family: inherit;
    font-size: 14px;
    color: inherit;
}

::selection {
    background: var(--ls-primary);
    color: #fff;
}

.ls-container {
    max-width: var(--ls-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.ls-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 200;
    background: var(--ls-primary);
    color: #fff;
    padding: 8px 16px;
    border-radius: 0 0 var(--ls-radius-sm) 0;
}

.ls-skip:focus {
    left: 0;
    color: #fff;
}

/* ---------- 2. 布局 ---------- */

.ls-layout {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding-top: 26px;
    padding-bottom: 40px;
}

.ls-col-main {
    flex: 1 1 auto;
    min-width: 0;
}

.ls-col-side {
    flex: 0 0 var(--ls-side-width);
    width: var(--ls-side-width);
}

body.page-404 .ls-col-side,
.ls-layout:has(.ls-lockbox) .ls-col-side {
    display: none;
}

.ls-panel,
.ls-post,
.ls-article,
.widget,
.ls-comments,
.ls-related,
.ls-neighbor,
.ls-empty,
.ls-notfound,
.ls-lockbox {
    background: var(--ls-card);
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius);
    box-shadow: var(--ls-shadow);
}

/* ---------- 3. 头部与导航 ---------- */

.ls-header {
    position: relative;
    z-index: 60;
    background: var(--ls-card);
    border-bottom: 1px solid var(--ls-border);
}

.ls-header.is-sticky {
    position: sticky;
    top: 0;
}

.ls-header-in {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: var(--ls-header-h);
}

.ls-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.ls-logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .5px;
    white-space: nowrap;
}

.ls-logo:hover {
    color: var(--ls-primary);
}

.ls-logo-img img {
    display: block;
    max-height: 34px;
    width: auto;
}

.ls-slogan {
    color: var(--ls-text-3);
    font-size: 13px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ls-nav {
    flex: 1 1 auto;
    min-width: 0;
}

.ls-nav ul {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.ls-nav li {
    position: relative;
}

.ls-nav li > a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--ls-radius-sm);
    font-size: 15px;
    white-space: nowrap;
}

.ls-nav li > a:hover {
    background: var(--ls-primary-soft);
    color: var(--ls-primary);
}

.ls-nav li em {
    font-style: normal;
    font-size: 12px;
    color: var(--ls-text-3);
    margin-left: 2px;
}

.ls-nav .nav-item.current > a {
    color: var(--ls-primary);
    font-weight: 600;
}

.ls-tools {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}

.ls-icon-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 34px;
    padding: 0 9px;
    border: 1px solid transparent;
    border-radius: var(--ls-radius-sm);
    background: transparent;
    color: var(--ls-text-2);
    cursor: pointer;
    font-size: 13px;
}

.ls-icon-btn:hover {
    background: var(--ls-primary-soft);
    color: var(--ls-primary);
}

.ls-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 34px;
    height: 34px;
    padding: 8px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: transparent;
    cursor: pointer;
}

.ls-burger span {
    display: block;
    height: 2px;
    background: var(--ls-text-2);
    border-radius: 2px;
}

.ls-searchbar {
    display: none;
    border-top: 1px solid var(--ls-border);
    background: var(--ls-card);
    padding: 12px 0;
}

.ls-searchbar.is-open {
    display: block;
}

.ls-searchbar form {
    display: flex;
    gap: 10px;
    max-width: var(--ls-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.ls-searchbar input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg);
    outline: 0;
}

.ls-searchbar input:focus {
    border-color: var(--ls-primary);
    background: var(--ls-card);
}

.ls-searchbar button {
    padding: 0 22px;
    border: 0;
    border-radius: var(--ls-radius-sm);
    background: var(--ls-primary);
    color: #fff;
    cursor: pointer;
}

.ls-hero {
  background: linear-gradient(135deg, var(--ls-primary), #6a5cf0);
    color: #fff;
    padding: 54px 0;
    text-align: center;
}

.ls-hero h1 {
    font-size: 30px;
    margin: 0 0 8px;
    color: #fff;
}

.ls-hero p {
    margin: 0;
    opacity: .85;
    font-size: 15px;
}

.ls-banner {
    height: 220px;
    background-size: cover;
    background-position: center;
}

/* ---------- 4. 列表与文章卡片 ---------- */

.ls-list-head {
    background: var(--ls-card);
    border: 1px solid var(--ls-border);
    border-left: 3px solid var(--ls-primary);
    border-radius: var(--ls-radius);
    padding: 16px 20px;
    margin-bottom: 18px;
}

.ls-list-title {
    font-size: 19px;
    margin: 0 0 6px;
}

.ls-list-desc {
    color: var(--ls-text-2);
    margin: 0 0 6px;
}

.ls-list-count {
    color: var(--ls-text-3);
    font-size: 13px;
    margin: 0;
}

/* 碎念时间线（/twitter） */
.ls-tweet-list {
    list-style: none;
    margin: 0 0 18px;
    padding: 0;
}

.ls-tweet {
    background: var(--ls-card);
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius);
    padding: 14px 18px;
    margin-bottom: 12px;
    box-shadow: var(--ls-shadow);
}

.ls-tweet.is-hidden {
    background: var(--ls-bg);
    border-style: dashed;
    box-shadow: none;
}

.ls-tweet-body {
    font-size: 14.5px;
    line-height: 1.8;
    word-break: break-word;
}

.ls-tweet-body img {
    max-width: 100%;
}

.ls-tweet-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--ls-text-3);
}

.ls-tweet-hide {
    font-style: normal;
    color: var(--ls-danger);
}

.ls-inline-search {
    display: flex;
    gap: 8px;
    margin: 10px 0 6px;
}

.ls-inline-search input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg);
    outline: 0;
}

.ls-inline-search input:focus {
    border-color: var(--ls-primary);
}

.ls-inline-search button {
    padding: 0 18px;
    border: 0;
    border-radius: var(--ls-radius-sm);
    background: var(--ls-primary);
    color: #fff;
    cursor: pointer;
}

.ls-post {
    padding: 22px 24px;
    margin-bottom: 18px;
    transition: box-shadow .2s ease, transform .2s ease;
}

.ls-post:hover {
    box-shadow: var(--ls-shadow-lg);
}

.ls-post.has-cover {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.post-cover {
    display: block;
    overflow: hidden;
    border-radius: var(--ls-radius-sm);
    aspect-ratio: 16 / 10;
    background: var(--ls-code-bg);
}

.post-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s ease;
}

.post-cover:hover img {
    transform: scale(1.05);
}

.post-body {
    min-width: 0;
}

.post-title {
    font-size: 20px;
    margin: 0 0 8px;
}

.post-title a {
    font-weight: 600;
}

.post-meta {
    color: var(--ls-text-3);
    font-size: 13px;
    margin-bottom: 10px;
}

.post-meta i {
    font-style: normal;
    margin: 0 6px;
    color: var(--ls-border);
}

.post-meta a {
    color: var(--ls-text-3);
}

.post-meta a:hover {
    color: var(--ls-primary);
}

.post-excerpt {
    color: var(--ls-text-2);
    margin-bottom: 10px;
}

.post-excerpt img {
    border-radius: var(--ls-radius-sm);
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
}

.post-tags a,
.article-tags a {
    font-size: 12px;
    color: var(--ls-text-2);
    background: var(--ls-bg);
    border: 1px solid var(--ls-border);
    border-radius: 20px;
    padding: 3px 11px;
}

.post-tags a:hover,
.article-tags a:hover {
    color: var(--ls-primary);
    border-color: var(--ls-primary);
    background: var(--ls-primary-soft);
}

.post-more a {
    display: inline-block;
    font-size: 13px;
    color: var(--ls-primary);
}

.post-more i {
    font-style: normal;
    transition: transform .2s ease;
    display: inline-block;
}

.post-more a:hover i {
    transform: translateX(3px);
}

.ls-top-posts .ls-post {
    border-left: 3px solid var(--ls-primary);
}

.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 400;
    line-height: 1;
    padding: 4px 7px;
    border-radius: 4px;
    vertical-align: middle;
    margin-right: 5px;
}

.badge-top {
    background: rgba(228, 87, 61, .12);
    color: var(--ls-danger);
}

.badge-private {
    background: rgba(240, 168, 32, .15);
    color: #c9821c;
}

.badge-draft {
    background: var(--ls-primary-soft);
    color: var(--ls-primary);
}

.badge-pending {
    background: rgba(140, 120, 220, .16);
    color: #7a5fd0;
}

.ls-empty {
    padding: 44px 24px;
    text-align: center;
    color: var(--ls-text-3);
}

.ls-empty p {
    margin: 0 0 10px;
}

/* ---------- 5. 文章页 ---------- */

.ls-article {
    padding: 28px 30px 24px;
    margin-bottom: 18px;
}

.article-head {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--ls-border);
}

.article-title {
    font-size: 27px;
    line-height: 1.35;
    margin-bottom: 12px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    color: var(--ls-text-3);
    font-size: 13px;
}

.article-meta .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.article-meta a.meta-item:hover {
    color: var(--ls-primary);
}

.article-meta .edit {
    border: 1px solid var(--ls-border);
    border-radius: 20px;
    padding: 2px 12px;
}

.article-crumb {
    margin-top: 10px;
    font-size: 13px;
    color: var(--ls-text-3);
}

.article-crumb a {
    color: var(--ls-text-3);
}

.article-cover {
    margin: 0 0 20px;
}

.article-cover img {
    width: 100%;
    border-radius: var(--ls-radius-sm);
    display: block;
}

.article-content {
    font-size: 16px;
    line-height: 1.85;
    color: var(--ls-text);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 22px 0 6px;
}

.article-copyright {
    margin: 18px 0 4px;
    padding: 13px 16px;
    font-size: 13px;
    color: var(--ls-text-2);
    background: var(--ls-bg);
    border-left: 3px solid var(--ls-primary);
    border-radius: 0 var(--ls-radius-sm) var(--ls-radius-sm) 0;
}

.article-share {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--ls-border);
}

.article-share button {
    padding: 6px 15px;
    border: 1px solid var(--ls-border);
    border-radius: 20px;
    background: transparent;
    color: var(--ls-text-2);
    cursor: pointer;
    font-size: 13px;
}

.article-share button:hover {
    color: var(--ls-primary);
    border-color: var(--ls-primary);
}

.ls-neighbor {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
}

.ls-neighbor > div {
    background: var(--ls-card);
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius);
    padding: 14px 16px;
}

.ls-neighbor .nb-next {
    text-align: right;
}

.ls-neighbor span {
    display: block;
    font-size: 12px;
    color: var(--ls-text-3);
    margin-bottom: 4px;
}

.ls-neighbor a {
    font-weight: 600;
}

.ls-related {
    padding: 18px 22px;
    margin-bottom: 18px;
}

.ls-related h2 {
    font-size: 16px;
    margin-bottom: 12px;
}

.ls-related ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 8px 20px;
}

.ls-related li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 5px 0;
    border-bottom: 1px dashed var(--ls-border);
}

.ls-related li:last-child {
    border-bottom: 0;
}

.ls-related time {
    color: var(--ls-text-3);
    font-size: 12px;
    flex: 0 0 auto;
}

/* ---------- 6. 评论 ---------- */

.ls-comments {
    padding: 22px 26px 26px;
}

.comments-title {
    font-size: 17px;
    margin-bottom: 16px;
}

.comment-list,
.comment-children {
    list-style: none;
    margin: 0;
    padding: 0;
}

.comment-children {
    margin-left: 42px;
    border-left: 2px solid var(--ls-border);
    padding-left: 14px;
}

.comment-item {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--ls-border);
}

.comment-item:last-child {
    border-bottom: 0;
}

.comment-children .comment-item {
    border-bottom: 1px dashed var(--ls-border);
}

.comment-avatar {
    flex: 0 0 auto;
}

.comment-avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--ls-primary-soft);
    color: var(--ls-primary);
    font-weight: 600;
    text-transform: uppercase;
}

.comment-main {
    flex: 1 1 auto;
    min-width: 0;
}

.comment-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--ls-text-3);
    margin-bottom: 5px;
}

.comment-head .commenter {
    font-weight: 600;
    font-size: 14px;
    color: var(--ls-text);
}

.comment-head .reply-to b {
    color: var(--ls-primary);
    font-weight: 600;
}

.comment-text {
    color: var(--ls-text-2);
}

.comment-text p {
    margin: 0 0 .6em;
}

.comment-text img {
    max-width: 260px;
    border-radius: var(--ls-radius-sm);
}

.comment-tools {
    margin-top: 6px;
    font-size: 12px;
}

.comment-tools .reply-btn {
    border: 0;
    background: transparent;
    color: var(--ls-text-3);
    cursor: pointer;
    padding: 0;
    font-size: 12px;
}

.comment-tools a,
.comment-tools .reply-btn:hover {
    color: var(--ls-primary);
}

.comment-tools a {
    margin-left: 12px;
    font-size: 12px;
}

.comment-item.is-target {
    background: var(--ls-primary-soft);
    border-radius: var(--ls-radius-sm);
}

.comments-empty,
.comments-closed,
.comment-login-tip {
    color: var(--ls-text-3);
    padding: 12px 0;
    margin: 0;
}

.ls-comment-form {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--ls-border);
}

.ls-comment-form textarea,
.ls-comment-form input[type="text"],
.ls-comment-form input[type="email"],
.ls-comment-form input[type="password"] {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg);
    outline: 0;
    transition: border-color .15s ease, background .15s ease;
}

.ls-comment-form textarea:focus,
.ls-comment-form input:focus {
    border-color: var(--ls-primary);
    background: var(--ls-card);
}

.comment-user-fields {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 10px 0;
}

.ls-captcha {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
    font-size: 12px;
    color: var(--ls-text-3);
}

.ls-captcha input {
    width: 110px;
    padding: 9px 12px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg);
}

.ls-captcha img {
    border-radius: var(--ls-radius-sm);
    border: 1px solid var(--ls-border);
}

.comment-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 12px;
}

.comment-tip {
    color: var(--ls-text-3);
    font-size: 13px;
}

.reply-hint {
    background: var(--ls-primary-soft);
    color: var(--ls-primary);
    border-radius: var(--ls-radius-sm);
    padding: 7px 12px;
    font-size: 13px;
    margin-bottom: 10px;
}

.reply-hint button {
    border: 0;
    background: transparent;
    color: var(--ls-text-3);
    cursor: pointer;
    text-decoration: underline;
    font-size: 13px;
}

.ls-btn {
    display: inline-block;
    padding: 9px 22px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-card);
    color: var(--ls-text);
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
}

.ls-btn:hover {
    border-color: var(--ls-primary);
    color: var(--ls-primary);
}

.ls-btn.primary {
    background: var(--ls-primary);
    border-color: var(--ls-primary);
    color: #fff;
}

.ls-btn.primary:hover {
    filter: brightness(1.06);
    color: #fff;
}

/* ---------- 7. 分页 ---------- */

.ls-pagebar {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin: 22px 0 4px;
}

.ls-pagebar a,
.ls-pagebar span {
    display: inline-block;
    min-width: 34px;
    padding: 7px 12px;
    text-align: center;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-card);
    color: var(--ls-text-2);
    font-size: 13px;
}

.ls-pagebar a:hover {
    color: var(--ls-primary);
    border-color: var(--ls-primary);
}

.ls-pagebar .pg-current {
    background: var(--ls-primary);
    border-color: var(--ls-primary);
    color: #fff;
}

.ls-pagebar .pg-gap,
.ls-pagebar .pg-total {
    border: 0;
    background: transparent;
    color: var(--ls-text-3);
}

.ls-pagebar .pg-total {
    padding-left: 4px;
}

/* ---------- 8. 侧边栏组件 ---------- */

.widget {
    margin-bottom: 18px;
    padding: 18px 20px;
}

.widget-title {
    font-size: 15px;
    margin: 0 0 12px;
    padding-bottom: 9px;
    border-bottom: 1px solid var(--ls-border);
    position: relative;
}

.widget-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 34px;
    height: 2px;
    background: var(--ls-primary);
    border-radius: 2px;
}

.widget-author {
    text-align: center;
    padding: 24px 20px;
}

.author-avatar {
    margin-bottom: 10px;
}

.author-avatar img,
.avatar-fallback {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    object-fit: cover;
    display: inline-block;
}

.avatar-fallback {
    background: linear-gradient(135deg, var(--ls-primary), #6a5cf0);
    color: #fff;
    font-size: 30px;
    line-height: 76px;
}

.author-name {
    font-size: 16px;
    margin-bottom: 4px;
}

.author-intro {
    color: var(--ls-text-3);
    font-size: 13px;
    margin: 0 0 10px;
}

.author-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.author-links a {
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--ls-bg);
    border: 1px solid var(--ls-border);
    color: var(--ls-text-2);
}

.count-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px 6px;
    text-align: center;
}

.count-grid b {
    display: block;
    font-size: 17px;
    color: var(--ls-primary);
}

.count-grid span {
    font-size: 12px;
    color: var(--ls-text-3);
}

.side-list,
.side-posts,
.side-comments,
.side-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-list li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 0;
}

.side-list li.is-sub a {
    padding-left: 14px;
    position: relative;
}

.side-list li.is-sub a::before {
    content: "└";
    position: absolute;
    left: 0;
    color: var(--ls-text-3);
}

.side-list em {
    font-style: normal;
    font-size: 12px;
    color: var(--ls-text-3);
}

.side-list.two {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 12px;
}

.side-posts li,
.side-comments li {
    padding: 7px 0;
    border-bottom: 1px dashed var(--ls-border);
}

.side-posts li:last-child,
.side-comments li:last-child {
    border-bottom: 0;
}

.side-posts li {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.side-posts li a {
    flex: 1 1 auto;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.side-posts time {
    flex: 0 0 auto;
    font-size: 12px;
    color: var(--ls-text-3);
}

.side-posts .rank {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    font-style: normal;
    font-size: 11px;
    border-radius: 4px;
    background: var(--ls-bg);
    color: var(--ls-text-3);
}

.side-posts.ranked li:nth-child(-n+3) .rank {
    background: var(--ls-primary);
    color: #fff;
}

.side-posts em,
.side-comments em {
    font-style: normal;
    font-size: 12px;
    color: var(--ls-text-3);
}

.side-comments a {
    display: block;
}

.side-comments b {
    color: var(--ls-text);
    font-size: 13px;
}

.side-comments span {
    display: block;
    color: var(--ls-text-3);
    font-size: 12px;
}

.side-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.side-links a {
    font-size: 13px;
    padding: 3px 10px;
    border: 1px solid var(--ls-border);
    border-radius: 20px;
    color: var(--ls-text-2);
}

.side-list .empty,
.side-posts .empty {
    color: var(--ls-text-3);
    font-size: 13px;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud a {
    display: inline-flex;
    align-items: baseline;
    gap: 3px;
    padding: 3px 10px;
    border-radius: 20px;
    background: var(--ls-bg);
    border: 1px solid var(--ls-border);
    color: var(--ls-text-2);
    font-size: calc(12px + var(--n, 1) * 1px);
}

.tag-cloud a:hover {
    border-color: var(--ls-primary);
    color: var(--ls-primary);
    background: var(--ls-primary-soft);
}

.tag-cloud sup {
    font-size: 10px;
    color: var(--ls-text-3);
}

/* ---------- 9. 页脚 ---------- */

.ls-footer {
    background: var(--ls-card);
    border-top: 1px solid var(--ls-border);
    padding: 26px 0 30px;
    color: var(--ls-text-3);
    font-size: 13px;
    text-align: center;
}

.ls-foot-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px 18px;
    margin-bottom: 14px;
}

.ls-foot-nav a {
    color: var(--ls-text-2);
}

.ls-foot-info p {
    margin: 3px 0;
}

.ls-foot-meta i,
.ls-foot-powered i {
    font-style: normal;
    margin: 0 7px;
    color: var(--ls-border);
}

.ls-footer a {
    color: var(--ls-text-2);
}

.ls-footer a:hover {
    color: var(--ls-primary);
}

.ls-totop {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 40px;
    height: 40px;
    display: none;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ls-border);
    border-radius: 50%;
    background: var(--ls-card);
    color: var(--ls-text-2);
    box-shadow: var(--ls-shadow);
    cursor: pointer;
    z-index: 70;
}

.ls-totop.is-show {
    display: flex;
}

.ls-totop:hover {
    color: var(--ls-primary);
    border-color: var(--ls-primary);
}

/* ---------- 10. 404 / 密码页 ---------- */

.ls-notfound,
.ls-lockbox {
    padding: 46px 30px;
    text-align: center;
    margin-bottom: 18px;
}

.nf-code {
    font-size: 62px;
    font-weight: 800;
    line-height: 1;
    margin: 0 0 6px;
    color: var(--ls-primary);
    opacity: .35;
}

.nf-title {
    font-size: 22px;
    margin-bottom: 10px;
}

.nf-desc {
    color: var(--ls-text-3);
    max-width: 460px;
    margin: 0 auto 18px;
}

.nf-search {
    max-width: 420px;
    margin: 0 auto 18px;
}

.nf-back .ls-btn {
    margin: 0 5px;
}

.lock-icon {
    color: var(--ls-primary);
    margin-bottom: 8px;
}

.lock-title {
    font-size: 20px;
}

.lock-tip,
.lock-back {
    color: var(--ls-text-3);
}

.lock-error {
    color: var(--ls-danger);
    font-size: 13px;
    margin: 0 0 12px;
}

.lock-form {
    max-width: 320px;
    margin: 0 auto;
}

.lock-form input[type="password"] {
    width: 100%;
    padding: 11px 13px;
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    background: var(--ls-bg);
    margin-bottom: 12px;
    outline: 0;
}

.lock-form input[type="password"]:focus {
    border-color: var(--ls-primary);
}

/* ---------- 11. 富文本内容排版 ---------- */

.article-content > :first-child,
.post-excerpt > :first-child {
    margin-top: 0;
}

.article-content p,
.post-excerpt p {
    margin: 0 0 1.1em;
}

.article-content h2,
.article-content h3,
.article-content h4,
.article-content h5 {
    margin: 1.6em 0 .8em;
    padding-left: 11px;
    border-left: 3px solid var(--ls-primary);
    line-height: 1.4;
}

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

.article-content h3 {
    font-size: 19px;
}

.article-content h4 {
    font-size: 17px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.1em;
}

.article-content li {
    margin: .3em 0;
}

.article-content a {
    color: var(--ls-primary);
    border-bottom: 1px solid transparent;
}

.article-content a:hover {
    border-bottom-color: var(--ls-primary);
}

.article-content blockquote {
    margin: 1.2em 0;
    padding: 12px 18px;
    color: var(--ls-text-2);
    background: var(--ls-bg);
    border-left: 3px solid var(--ls-border);
    border-radius: 0 var(--ls-radius-sm) var(--ls-radius-sm) 0;
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-content img {
    border-radius: var(--ls-radius-sm);
    margin: 6px 0;
}

.article-content .alignleft {
    float: left;
    margin: 4px 18px 10px 0;
}

.article-content .alignright {
    float: right;
    margin: 4px 0 10px 18px;
}

.article-content .aligncenter {
    display: block;
    margin: 10px auto;
}

.article-content pre,
.ls-code {
    margin: 1.2em 0;
    padding: 15px 17px;
    overflow-x: auto;
    background: var(--ls-code-bg);
    border: 1px solid var(--ls-border);
    border-radius: var(--ls-radius-sm);
    font-size: 13.5px;
    line-height: 1.7;
}

.article-content code,
.article-content kbd,
.article-content samp {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.article-content :not(pre) > code {
    padding: 2px 6px;
    background: var(--ls-code-bg);
    border-radius: 4px;
    font-size: 13.5px;
    color: var(--ls-danger);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
    font-size: 14px;
}

.article-content th,
.article-content td {
    border: 1px solid var(--ls-border);
    padding: 8px 11px;
    text-align: left;
}

.article-content th {
    background: var(--ls-bg);
    font-weight: 600;
}

.article-content iframe,
.article-content video {
    max-width: 100%;
}

.article-content .ls-hide {
    padding: 12px 16px;
    background: var(--ls-primary-soft);
    border-radius: var(--ls-radius-sm);
}

.article-content .ls-hide-tip {
    padding: 12px 16px;
    background: var(--ls-bg);
    border: 1px dashed var(--ls-border);
    border-radius: var(--ls-radius-sm);
    color: var(--ls-text-3);
    font-size: 14px;
}

/* ---------- 12. 响应式 ---------- */

@media (max-width: 960px) {
    .ls-layout {
        flex-direction: column;
        gap: 18px;
    }

    .ls-col-side {
        width: 100%;
        flex: 1 1 auto;
    }

    .ls-nav ul {
        flex-wrap: wrap;
    }

    .comment-user-fields {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    :root {
        --ls-header-h: 56px;
    }

    .ls-container {
        padding: 0 14px;
    }

    .ls-header-in {
        flex-wrap: wrap;
        gap: 10px;
        padding: 10px 14px;
    }

    .ls-slogan {
        display: none;
    }

    .ls-burger {
        display: flex;
    }

    .ls-nav {
        display: none;
        flex: 1 1 100%;
        order: 3;
        border-top: 1px solid var(--ls-border);
        padding-top: 8px;
    }

    .ls-nav.is-open {
        display: block;
    }

    .ls-nav ul {
        flex-direction: column;
        align-items: stretch;
    }

    .ls-nav li > a {
        padding: 11px 10px;
        border-bottom: 1px solid var(--ls-border);
        border-radius: 0;
    }

    .ls-post.has-cover {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .post-cover {
        order: -1;
        aspect-ratio: 16 / 9;
    }

    .ls-post,
    .widget {
        padding: 18px 16px;
    }

    .ls-article {
        padding: 20px 16px 18px;
    }

    .ls-comments {
        padding: 18px 16px 20px;
    }

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

    .article-content {
        font-size: 15.5px;
    }

    .ls-neighbor {
        grid-template-columns: 1fr;
    }

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

    .comment-children {
        margin-left: 12px;
    }

    .ls-totop {
        right: 14px;
        bottom: 18px;
    }

    .ls-hero {
        padding: 34px 0;
    }

    .ls-hero h1 {
        font-size: 23px;
    }
}

@media print {
    .ls-header,
    .ls-footer,
    .ls-col-side,
    .ls-comments,
    .ls-totop,
    .ls-pagebar,
    .article-share {
        display: none !important;
    }

    body.ls-body {
        background: #fff;
        color: #000;
    }

    .ls-article {
        border: 0;
        box-shadow: none;
        padding: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}