/**
 * Lonomer UI 2.0
 * 单一设计令牌、单一响应式入口、扁平化内容优先布局
 * Developer: Awuqing
 */

:root {
    color-scheme: light;
    --color-primary: var(--theme-color, #1677ff);
    --color-page: #f5f7fa;
    --color-surface: #ffffff;
    --color-surface-muted: #f7f8fa;
    --color-text: #1f2329;
    --color-text-secondary: #646a73;
    --color-text-tertiary: #8f959e;
    --color-border: #dcdfe6;
    --color-border-strong: #b8bec8;
    --color-danger: #d4380d;
    --color-mask: rgba(31, 35, 41, .24);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --radius: 2px;
    --control-height: 44px;
    --content-width: 1120px;
    --reader-max-width: 720px;
    --reader-font-size: 18px;
    --reader-font-size-mobile: 17px;
    --duration: 180ms;
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
}

html.night {
    color-scheme: dark;
    --color-page: #111318;
    --color-surface: #171a20;
    --color-surface-muted: #20242c;
    --color-text: #eef0f3;
    --color-text-secondary: #b2b7c0;
    --color-text-tertiary: #858b95;
    --color-border: #343943;
    --color-border-strong: #4b515d;
    --color-danger: #ff7a45;
    --color-mask: rgba(0, 0, 0, .46);
}

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

html {
    min-width: 320px;
    scroll-behavior: smooth;
    background: var(--color-page);
}

body {
    min-width: 320px;
    margin: 0;
    background: var(--color-page);
    color: var(--color-text);
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 400;
    line-height: 1.7;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.noscroll {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

a,
button,
input,
textarea,
[contenteditable="true"] {
    transition: color var(--duration) ease-out, background-color var(--duration) ease-out, border-color var(--duration) ease-out, opacity var(--duration) ease-out, transform var(--duration) ease-out;
}

button,
input,
textarea {
    font: inherit;
    font-weight: 400;
}

button {
    color: inherit;
}

button:not(:disabled),
a[href],
[role="button"] {
    cursor: pointer;
}

button:disabled,
.not-allowed,
.is-disabled {
    cursor: not-allowed;
    opacity: .5;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[contenteditable="true"]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
    margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
strong,
b {
    color: var(--color-text);
    font-weight: 400;
}

strong,
b {
    text-decoration: underline;
    text-decoration-color: var(--color-border-strong);
    text-underline-offset: 3px;
}

img,
svg {
    display: block;
}

img {
    max-width: 100%;
}

ul,
ol {
    margin-top: 0;
}

input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
textarea,
.rich-editor {
    width: 100%;
    min-height: var(--control-height);
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    outline: 0;
    background: var(--color-surface);
    color: var(--color-text);
}

input:hover,
textarea:hover,
.rich-editor:hover {
    border-color: var(--color-border-strong);
}

input:focus,
textarea:focus,
.rich-editor:focus {
    border-color: var(--color-primary);
}

textarea,
.rich-editor {
    min-height: 132px;
    resize: vertical;
}

.ui-icon {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.icon-button {
    width: var(--control-height);
    height: var(--control-height);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
}

.icon-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.primary-button,
.text-button,
.load .next,
.nodata a,
.submit,
.button-submit,
.memos-btn button {
    min-height: var(--control-height);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-primary);
    color: #ffffff;
    font-weight: 400;
}

.primary-button:hover,
.load .next:hover,
.nodata a:hover,
.submit:hover,
.button-submit:hover,
.memos-btn button:hover {
    opacity: .84;
}

.text-button {
    border-color: var(--color-border);
    background: transparent;
    color: var(--color-text);
}

.text-button:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.section-kicker,
.edition-kicker,
.footer-mark {
    margin: 0;
    color: var(--color-primary);
    font-size: 11px;
    line-height: 1.4;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border-strong);
}

.section-heading h2,
.section-heading h3 {
    margin: 0;
    font-size: 24px;
    line-height: 1.35;
}

.sr-only,
.skip-link:not(:focus) {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 2000;
    padding: 8px 12px;
    border: 1px solid var(--color-primary);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-primary);
}

.hidden {
    display: none !important;
}

.m {
    display: none;
}

.pc {
    display: block;
}

/* Site header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 900;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.site-header__inner {
    width: min(calc(100% - 48px), var(--content-width));
    min-height: 72px;
    display: grid;
    grid-template-columns: auto minmax(0, auto) 1fr auto;
    align-items: center;
    gap: var(--space-5);
    margin: 0 auto;
}

.site-header__menu-button {
    display: none;
}

.site-brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.site-brand img {
    width: 174px;
    height: 48px;
    object-fit: contain;
    object-position: left center;
}

.site-brand__name {
    overflow: hidden;
    color: var(--color-text);
    font-size: 24px;
    line-height: 1.2;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-brand__meta {
    padding-left: var(--space-3);
    border-left: 1px solid var(--color-border);
    color: var(--color-text-tertiary);
    font-size: 11px;
    letter-spacing: .08em;
    white-space: nowrap;
}

.desktop-nav {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-1);
}

.desktop-nav a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-size: 14px;
}

.desktop-nav a:hover {
    border-color: var(--color-border);
    background: var(--color-surface-muted);
    color: var(--color-primary);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.theme-toggle__sun {
    display: none;
}

html.night .theme-toggle__moon {
    display: none;
}

html.night .theme-toggle__sun {
    display: block;
}

.site-menu {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1200;
    width: min(86vw, 360px);
    display: flex;
    flex-direction: column;
    padding: var(--space-5);
    border-right: 1px solid var(--color-border);
    background: var(--color-surface);
    transform: translateX(-100%);
    transition: transform var(--duration) ease-out;
}

.site-menu.active {
    transform: translateX(0);
}

.site-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.menu-list {
    flex: 1;
    margin: var(--space-4) 0;
    padding: 0;
    list-style: none;
    overflow-y: auto;
}

.menu-list li {
    margin: 0;
}

.menu-list a {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.menu-list a:hover {
    color: var(--color-primary);
}

.site-menu__actions {
    display: grid;
    gap: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.search-layer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1200;
    width: min(100%, 440px);
    padding: var(--space-8);
    border-left: 1px solid var(--color-border);
    background: var(--color-surface);
    transform: translateX(100%);
    transition: transform var(--duration) ease-out;
    overflow-y: auto;
}

.search-layer.search-active {
    transform: translateX(0);
}

.search-layer__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-5);
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.search-layer__header h2 {
    margin: 6px 0 0;
    font-size: 26px;
}

.search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-2);
}

.tagscloud {
    margin-top: var(--space-10);
}

.tagscloud h3 {
    margin-bottom: var(--space-3);
    font-size: 15px;
}

.tagscloud a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    margin: 0 6px 8px 0;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-secondary);
}

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

.interface-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: block;
    padding: 0;
    border: 0;
    background: var(--color-mask);
    opacity: 0;
    pointer-events: none;
}

.interface-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.context-line {
    width: min(calc(100% - 48px), var(--content-width));
    margin: var(--space-4) auto 0;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 13px;
}

/* Shared page layout */
.main {
    width: min(calc(100% - 48px), var(--content-width));
    min-height: 60vh;
    margin: 0 auto;
    padding: var(--space-12) 0 var(--space-16);
}

.home-intro {
    max-width: 1040px;
    padding: 0 0 var(--space-12);
}

.home-intro h1,
.archive-intro h1,
.content-header h1,
.page-intro h1 {
    margin: var(--space-3) 0 var(--space-4);
    color: var(--color-text);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 400;
    line-height: 1.25;
    letter-spacing: -.02em;
}

.home-intro > p:last-child,
.archive-intro > p:last-child,
.page-intro__copy > p:last-child {
    max-width: 680px;
    margin-bottom: 0;
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

.featured-section {
    margin-bottom: var(--space-16);
}

.featured-list {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, .9fr);
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: var(--space-8);
}

.featured-item {
    min-width: 0;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

.featured-item--lead {
    grid-row: 1 / span 2;
}

.featured-item a {
    height: 100%;
    display: grid;
    grid-template-columns: 136px minmax(0, 1fr);
    align-items: center;
    gap: var(--space-4);
}

.featured-item--lead a {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
}

.featured-item__media {
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow: hidden;
}

.featured-item__media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.featured-item--lead .featured-item__media img {
    aspect-ratio: 16 / 9;
}

.featured-item__copy {
    min-width: 0;
}

.featured-item__copy > span {
    color: var(--color-primary);
    font-size: 11px;
    letter-spacing: .12em;
}

.featured-item__copy h3 {
    margin: 8px 0 0;
    font-size: 20px;
    line-height: 1.5;
}

.featured-item--lead .featured-item__copy {
    padding-top: var(--space-4);
}

.featured-item--lead .featured-item__copy h3 {
    font-size: 28px;
}

.featured-item a:hover h3 {
    color: var(--color-primary);
}

.posts-heading {
    margin-bottom: 0;
}

.post-list {
    counter-reset: post-index;
}

.post {
    counter-increment: post-index;
    border-bottom: 1px solid var(--color-border);
}

.post__link {
    min-height: 188px;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8) var(--space-3);
}

.post__link:has(.post__media) {
    grid-template-columns: 44px minmax(0, 1fr) 190px;
}

.post__link::before {
    content: counter(post-index, decimal-leading-zero);
    align-self: start;
    padding-top: 4px;
    color: var(--color-primary);
    font-size: 11px;
    letter-spacing: .1em;
}

.post__body {
    min-width: 0;
}

.post__body h3 {
    margin: 0 0 var(--space-3);
    font-size: 24px;
    line-height: 1.4;
}

.post_preview p {
    display: -webkit-box;
    margin: 0;
    overflow: hidden;
    color: var(--color-text-secondary);
    font-size: 15px;
    line-height: 1.8;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.post_meta,
.content-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
    margin-top: var(--space-4);
    color: var(--color-text-tertiary);
    font-size: 12px;
}

.post__media {
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow: hidden;
}

.post__media img {
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.post__link:hover {
    background: var(--color-surface-muted);
}

.post__link:hover h3 {
    color: var(--color-primary);
}

.archive-intro {
    max-width: 760px;
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

.archive-intro h1 {
    font-size: clamp(30px, 5vw, 46px);
}

.load {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5) 0;
    color: var(--color-text-tertiary);
    font-size: 13px;
    letter-spacing: .08em;
}

.load .next {
    letter-spacing: normal;
}

.nodata {
    min-height: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-10);
    text-align: center;
}

.nodata img {
    width: min(280px, 72vw);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.nodata span {
    color: var(--color-text-secondary);
}

/* Content pages */
.content-header {
    margin-bottom: var(--space-12);
}

.content-header__cover,
.page-intro__media {
    margin: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow: hidden;
}

.content-header__cover img,
.page-intro__media img {
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
}

.content-header__body {
    max-width: 1040px;
    padding-top: var(--space-10);
}

.content-header h1 {
    font-size: clamp(34px, 5vw, 56px);
}

.content-header .section-kicker a:hover {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.post_content,
.content-body {
    width: 100%;
    max-width: var(--reader-max-width);
    margin: 0 auto;
    color: var(--color-text);
    overflow-wrap: anywhere;
}

.post_content > :first-child,
.content-body > :first-child {
    margin-top: 0;
}

.post_content p,
.content-body p {
    margin-bottom: 1.35em;
    font-size: var(--reader-font-size);
    line-height: 1.9;
}

.post_content h1,
.post_content h2,
.post_content h3,
.post_content h4,
.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4 {
    margin-top: 1.8em;
    margin-bottom: .7em;
    line-height: 1.45;
}

.post_content h1,
.content-body h1 {
    font-size: 30px;
}

.post_content h2,
.content-body h2 {
    font-size: 26px;
}

.post_content h3,
.content-body h3 {
    font-size: 22px;
}

.post_content h4,
.content-body h4 {
    font-size: 18px;
}

.post_content a:not([data-fancybox]),
.content-body a:not([data-fancybox]) {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-border-strong);
    text-underline-offset: 4px;
}

.post_content a:hover,
.content-body a:hover {
    text-decoration-color: var(--color-primary);
}

.post_content img,
.content-body img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 680px;
    display: block;
    margin: var(--space-6) auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

blockquote {
    margin: var(--space-8) 0;
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    color: var(--color-text-secondary);
}

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

pre,
code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

code {
    padding: 1px 4px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    font-size: .9em;
}

pre {
    position: relative;
    max-width: 100%;
    margin: var(--space-6) 0;
    padding: 56px var(--space-5) var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow-x: auto;
}

pre code {
    padding: 0;
    border: 0;
    background: transparent;
}

.code-copy-btn {
    min-height: 36px;
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 12px;
}

.code-copy-btn:hover,
.code-copy-btn.is-success {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

table {
    width: 100%;
    margin: var(--space-6) 0;
    border-collapse: collapse;
    font-size: 14px;
}

th,
td {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--color-surface-muted);
    font-weight: 400;
}

.content-note,
.cc-say {
    display: block;
    margin-top: var(--space-10);
    padding: var(--space-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.8;
}

.content-note span,
.cc-say span {
    color: var(--color-text);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin: var(--space-6) 0 0;
}

.tags a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-size: 12px;
}

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

/* Comments */
.comments-section {
    width: 100%;
    max-width: var(--reader-max-width);
    margin: var(--space-16) auto 0;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.comments-heading,
.comments-list-heading {
    align-items: flex-end;
}

.reply-title {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.cancel-comment-reply {
    margin-bottom: var(--space-3);
}

.cancel-comment-reply a {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-secondary);
    font-size: 12px;
}

.comment-author-info {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.comment-md-3 label,
.memos-form label {
    display: block;
    margin-bottom: 6px;
    color: var(--color-text-secondary);
    font-size: 13px;
}

.required {
    color: var(--color-danger);
}

.rich-editor {
    margin-bottom: var(--space-3);
    overflow-y: auto;
}

.comment-submit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.emoji {
    position: relative;
}

.emoji-picker {
    position: absolute;
    left: 0;
    bottom: calc(100% + 8px);
    z-index: 20;
    width: min(320px, calc(100vw - 48px));
    max-height: 300px;
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    overflow: hidden;
}

.emoji-categories {
    display: flex;
    gap: var(--space-1);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.emoji-category {
    min-height: 36px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
}

.emoji-category:hover,
.emoji-category.active {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.emoji-container {
    max-height: 190px;
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding-top: var(--space-2);
    overflow-y: auto;
}

.unicode-emoji-button,
.kaomoji {
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-text);
    font-size: 22px;
}

.unicode-emoji-button:hover,
.kaomoji:hover {
    border-color: var(--color-border);
    background: var(--color-surface-muted);
}

.unicode-emoji-button--kaomoji,
.kaomoji {
    width: auto;
    min-width: 92px;
    font-size: 13px;
}

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

.comment-list li {
    padding: var(--space-6) 0;
    border-bottom: 1px solid var(--color-border);
}

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

.user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.user .avatar {
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    object-fit: cover;
}

.user-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.user .name {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
    color: var(--color-text);
    font-size: 14px;
}

.user .date,
.date {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-tertiary);
    font-size: 12px;
}

.level,
.waiting {
    padding: 1px 5px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text-tertiary);
    font-size: 10px;
}

.owner {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.comment-reply a {
    color: var(--color-text-secondary);
}

.comment-reply a:hover {
    color: var(--color-primary);
}

.comment-list p,
[class^="comment-box-"],
[class*=" comment-box-"] {
    margin: 0 0 0 54px;
    font-size: 14px;
    line-height: 1.8;
}

.comment-list p img,
.rich-editor img.biaoqing {
    width: 24px;
    height: 24px;
    display: inline-block;
    margin: 0 2px;
    border: 0;
    vertical-align: middle;
}

#comments li.depth-2 {
    margin: var(--space-4) 0 0 54px;
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
}

#comments li.depth-3,
#comments li.depth-4,
#comments li.depth-5 {
    margin-left: 0;
}

.at-parent {
    margin-right: var(--space-2);
    color: var(--color-primary);
}

li .respond {
    margin: var(--space-5) 0 0 54px;
}

#comments .page-navigator {
    display: none;
}

#loading-spinner {
    min-height: 80px;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--color-text-tertiary);
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: var(--radius);
    animation: lonomer-spin .8s linear infinite;
}

@keyframes lonomer-spin {
    to { transform: rotate(360deg); }
}

#geetest-submit-btn {
    position: relative;
}

#geetest-submit-btn.is-loading {
    pointer-events: none;
    opacity: .6;
}

.cf-rich-wrap {
    width: 100%;
    margin-top: var(--space-4);
}

.cf-rich-wrap iframe {
    max-width: 100%;
}

/* Special pages */
.page-intro {
    margin-bottom: var(--space-12);
}

.page-intro__copy {
    max-width: 1040px;
    padding-top: var(--space-8);
}

.page-intro h1 {
    font-size: clamp(32px, 5vw, 48px);
}

.archive-section,
.content-section {
    margin-top: var(--space-12);
}

.archive-group + .archive-group {
    margin-top: var(--space-8);
}

.archive-group h3 {
    margin-bottom: var(--space-3);
    color: var(--color-text-secondary);
    font-size: 15px;
}

.archive-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.archive-list li {
    border-top: 1px solid var(--color-border);
}

.archive-list a {
    min-height: 48px;
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: var(--space-4);
    padding: 8px 0;
}

.archive-list time {
    color: var(--color-text-tertiary);
    font-size: 12px;
}

.archive-list a:hover {
    color: var(--color-primary);
}

.links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 var(--space-8);
    margin: 0;
    padding: 0;
    list-style: none;
}

.link {
    border-bottom: 1px solid var(--color-border);
}

.link > a {
    min-height: 92px;
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) 0;
}

.link img {
    width: 56px;
    height: 56px;
    flex: 0 0 auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    object-fit: cover;
}

.link-info {
    min-width: 0;
}

.link-info h3 {
    margin: 0 0 4px;
    font-size: 15px;
}

.link-info span {
    display: block;
    overflow: hidden;
    color: var(--color-text-secondary);
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.link > a:hover h3 {
    color: var(--color-primary);
}

.link-status-dot {
    width: 8px;
    height: 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-text-tertiary);
}

.link-status-dot.is-ok {
    background: #52c41a;
}

.link-status-dot.is-error,
.link-status-dot.is-warning {
    background: var(--color-danger);
}

.link-status-time {
    margin-left: 6px;
    color: var(--color-text-tertiary);
    font-size: 10px;
}

.photo-contain {
    padding-top: var(--space-2);
}

.photos {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
    margin: 0;
    padding: 0;
    list-style: none;
}

.photo {
    min-width: 0;
}

.photo a {
    display: block;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow: hidden;
}

.photo img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

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

.memos-actions {
    display: flex;
    justify-content: flex-end;
    margin: calc(var(--space-8) * -1) 0 var(--space-6);
}

.memos {
    max-width: 760px;
    margin: 0 auto;
}

.memos .comment-list {
    margin: 0;
}

.memos .comment-list > li {
    padding: var(--space-8) 0;
}

.memos .comment-list p {
    margin-left: 54px;
}

.commentLike {
    margin: var(--space-3) 0 0 54px;
}

.commentLikeOpt {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 9px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-text-secondary);
}

.commentLikeOpt:hover,
.commentLikeOpt.is-liked {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.commentLikeOpt.is-liked .commentLikeIcon {
    fill: currentColor;
}

.memos-img-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 120px));
    gap: 2px;
    margin: var(--space-4) 0 0 54px;
}

.memos-img-grid.grid-1 {
    grid-template-columns: minmax(0, 320px);
}

.memos-img-grid.grid-4 {
    grid-template-columns: repeat(2, minmax(0, 120px));
}

.memos-img-item,
.memos-img-item a {
    min-width: 0;
    display: block;
}

.memos-img-item img {
    width: 100%;
    aspect-ratio: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    object-fit: cover;
}

.memos-img-grid.grid-1 img {
    aspect-ratio: auto;
    max-height: 320px;
    object-fit: contain;
}

.layui-layer.layui-memos {
    max-width: calc(100vw - 32px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius) !important;
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: none !important;
}

.layui-memos .layui-layer-title {
    min-height: 44px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 400;
}

.layui-memos .layui-layer-content {
    background: var(--color-surface);
}

.memos-form {
    display: grid;
    gap: var(--space-3);
    padding: var(--space-5);
    background: var(--color-surface);
}

.memos-form h3 {
    margin: 0 0 var(--space-2);
    font-size: 20px;
}

.inputForm {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.inputForm .input {
    flex: 1;
}

.password-toggle {
    min-height: var(--control-height);
    padding: 0 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
}

.memos-images {
    padding-top: var(--space-2);
}

.memos-image-list {
    display: grid;
    grid-template-columns: repeat(3, 88px);
    gap: var(--space-2);
}

.memos-image-add,
.memos-image-item {
    width: 88px;
    height: 88px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface-muted);
    overflow: hidden;
}

.memos-image-add {
    color: var(--color-text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.memos-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.memos-image-item .remove {
    position: absolute;
    top: 2px;
    right: 2px;
    min-width: 24px;
    min-height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-danger);
}

.progress-text {
    position: absolute;
    inset: auto 2px 2px;
    padding: 1px 4px;
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-size: 10px;
    text-align: center;
}

/* Auxiliary widgets */
.back-to-top,
#gototop,
.post-actions {
    position: fixed;
    right: max(18px, calc((100vw - var(--content-width)) / 2 - 58px));
    bottom: 24px;
    z-index: 800;
}

.back-to-top {
    width: var(--control-height);
    height: var(--control-height);
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
}

.back-to-top:not(.hidden) {
    display: flex;
}

.back-to-top:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.post-actions {
    display: grid;
    gap: var(--space-2);
}

.post-actions #teposter-generate {
    width: var(--control-height);
    height: var(--control-height);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
}

.lazy-load {
    opacity: 0;
}

.lazy-load.loaded,
.lazy-load.failed {
    opacity: 1;
}

.animate__animated,
.animate__fadeIn,
.animate__fadeInUp {
    animation: none;
}

/* Footer */
.site-footer {
    width: min(calc(100% - 48px), var(--content-width));
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-8);
    margin: 0 auto;
    padding: var(--space-8) 0 var(--space-10);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-tertiary);
    font-size: 12px;
}

.site-footer__meta {
    display: grid;
    gap: 4px;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: var(--space-2) var(--space-4);
}

.footer-link {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-text-secondary);
    font-size: 12px;
}

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

.contact-qr {
    width: min(320px, 80vw);
    height: auto;
    display: block;
}

@media (max-width: 1024px) {
    .site-header__inner,
    .context-line,
    .main,
    .site-footer {
        width: min(calc(100% - 40px), var(--content-width));
    }

    .desktop-nav {
        display: none;
    }

    .site-header__menu-button {
        display: inline-flex;
    }

    .site-header__inner {
        grid-template-columns: auto minmax(0, 1fr) auto;
    }

    .featured-list {
        gap: var(--space-5);
    }

    .post__link:has(.post__media) {
        grid-template-columns: 40px minmax(0, 1fr) 160px;
    }

    .back-to-top,
    #gototop,
    .post-actions {
        right: 16px;
    }
}

@media (max-width: 767px) {
    :root {
        --space-16: 48px;
    }

    .m {
        display: block;
    }

    .pc {
        display: none !important;
    }

    .site-header__inner,
    .context-line,
    .main,
    .site-footer {
        width: min(calc(100% - 32px), var(--content-width));
    }

    .site-header__inner {
        min-height: 64px;
        gap: var(--space-2);
    }

    .site-brand img {
        width: 146px;
        height: 42px;
    }

    .site-brand__name {
        font-size: 21px;
    }

    .site-brand__meta {
        display: none;
    }

    .site-header__actions {
        gap: 4px;
    }

    .site-header__actions .theme-toggle {
        display: none;
    }

    .search-layer {
        width: 100%;
        padding: var(--space-5);
    }

    .search-layer__header {
        margin-bottom: var(--space-8);
    }

    .search-form {
        grid-template-columns: minmax(0, 1fr);
    }

    .context-line {
        margin-top: var(--space-3);
        font-size: 12px;
    }

    .main {
        padding-top: var(--space-8);
    }

    .home-intro {
        padding-bottom: var(--space-8);
    }

    .home-intro h1,
    .archive-intro h1,
    .content-header h1,
    .page-intro h1 {
        font-size: clamp(28px, 9vw, 38px);
    }

    .home-intro > p:last-child,
    .archive-intro > p:last-child,
    .page-intro__copy > p:last-child {
        font-size: 15px;
    }

    .section-heading {
        align-items: flex-start;
        margin-bottom: var(--space-4);
    }

    .section-heading h2,
    .section-heading h3 {
        font-size: 21px;
    }

    .featured-section {
        margin-bottom: var(--space-12);
    }

    .featured-list {
        grid-template-columns: minmax(0, 1fr);
        grid-template-rows: auto;
        gap: var(--space-6);
    }

    .featured-item--lead {
        grid-row: auto;
    }

    .featured-item a,
    .featured-item--lead a {
        grid-template-columns: 116px minmax(0, 1fr);
        align-items: center;
    }

    .featured-item__media img,
    .featured-item--lead .featured-item__media img {
        aspect-ratio: 4 / 3;
    }

    .featured-item--lead .featured-item__copy {
        padding-top: 0;
    }

    .featured-item__copy h3,
    .featured-item--lead .featured-item__copy h3 {
        font-size: 18px;
    }

    .post__link,
    .post__link:has(.post__media) {
        grid-template-columns: 34px minmax(0, 1fr);
        gap: var(--space-3);
        padding: var(--space-6) 0;
    }

    .post__body h3 {
        font-size: 20px;
    }

    .post__media {
        grid-column: 2;
        width: 100%;
        margin-top: var(--space-3);
    }

    .post__media img {
        aspect-ratio: 16 / 9;
    }

    .post_preview p {
        font-size: 14px;
    }

    .post_meta,
    .content-meta {
        gap: 6px var(--space-3);
    }

    .content-header__cover img,
    .page-intro__media img {
        aspect-ratio: 16 / 9;
    }

    .content-header__body,
    .page-intro__copy {
        padding-top: var(--space-6);
    }

    .post_content p,
    .content-body p {
        font-size: var(--reader-font-size-mobile);
        line-height: 1.85;
    }

    .post_content h1,
    .content-body h1 {
        font-size: 26px;
    }

    .post_content h2,
    .content-body h2 {
        font-size: 23px;
    }

    .post_content h3,
    .content-body h3 {
        font-size: 20px;
    }

    .code-copy-btn,
    .tagscloud a,
    .footer-link {
        min-height: var(--control-height);
    }

    table {
        display: block;
        overflow-x: auto;
    }

    .comment-author-info {
        grid-template-columns: minmax(0, 1fr);
    }

    .comment-list p,
    [class^="comment-box-"],
    [class*=" comment-box-"],
    .memos .comment-list p,
    .commentLike,
    .memos-img-grid {
        margin-left: 0;
    }

    #comments li.depth-2,
    li .respond {
        margin-left: 0;
    }

    .archive-list a {
        grid-template-columns: 78px minmax(0, 1fr);
        align-items: start;
    }

    .links {
        grid-template-columns: minmax(0, 1fr);
    }

    .photos {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--space-2);
    }

    .memos-actions {
        margin-top: calc(var(--space-4) * -1);
    }

    .memos-img-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .memos-img-grid.grid-1 {
        grid-template-columns: minmax(0, 1fr);
    }

    .memos-img-grid.grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .back-to-top,
    #gototop,
    .post-actions {
        right: 12px;
        bottom: 12px;
    }

    .site-footer {
        flex-direction: column;
        gap: var(--space-5);
    }

    .site-footer__links {
        justify-content: flex-start;
    }
}

@media (max-width: 420px) {
    .site-header__inner,
    .context-line,
    .main,
    .site-footer {
        width: min(calc(100% - 24px), var(--content-width));
    }

    .site-brand__name {
        max-width: 130px;
    }

    .featured-item a,
    .featured-item--lead a {
        grid-template-columns: 96px minmax(0, 1fr);
    }

    .photos {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}

@media print {
    :root,
    html.night {
        --color-page: #ffffff;
        --color-surface: #ffffff;
        --color-surface-muted: #ffffff;
        --color-text: #111111;
        --color-text-secondary: #333333;
        --color-border: #bbbbbb;
    }

    .site-header,
    .site-menu,
    .search-layer,
    .interface-overlay,
    .site-footer,
    .reading-tools,
    .back-to-top,
    .post-actions,
    .comments-section {
        display: none !important;
    }

    .main,
    .post_content,
    .content-body {
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 0;
    }
}