/* ==========================================================================
   magazine — 编辑体排版主题
   暖纸底色 / 衬线大标题 / 发丝分隔线 / 双模式
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计变量
   -------------------------------------------------------------------------- */
:root {
    color-scheme: light;

    --paper: #fbf8f2;
    --paper-2: #f4efe4;
    --paper-3: #ede6d8;

    --ink: #171310;
    --ink-2: #4a423a;
    --ink-3: #8b8273;

    --rule: #ddd4c3;
    --rule-strong: #c4b9a4;

    --accent: #a4392a;
    --accent-soft: rgba(164, 57, 42, 0.09);

    --code-bg: #1b1712;
    --code-fg: #e6ddcb;

    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
        Georgia, "Songti SC", "Noto Serif SC", "Source Han Serif SC", serif;
    --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
        "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    --mono: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono",
        Menlo, Consolas, monospace;

    --wrap: 78rem;
    --gutter: clamp(1.25rem, 4vw, 3.5rem);
    --measure: 40rem;
}

:root.dark {
    color-scheme: dark;

    --paper: #14110d;
    --paper-2: #1d1915;
    --paper-3: #262019;

    --ink: #f3ecdf;
    --ink-2: #bdb3a3;
    --ink-3: #7f7668;

    --rule: #322b23;
    --rule-strong: #4a4137;

    --accent: #e07b60;
    --accent-soft: rgba(224, 123, 96, 0.12);

    --code-bg: #0d0b09;
    --code-fg: #ded5c3;
}

/* --------------------------------------------------------------------------
   2. 基础
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img,
svg {
    max-width: 100%;
}

img {
    height: auto;
}

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

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

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 2px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    background: var(--ink);
    color: var(--paper);
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
}

.skip-link:focus {
    left: 1rem;
    top: 1rem;
}

.wrap {
    max-width: var(--wrap);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

.main {
    min-height: 50vh;
}

.dot {
    color: var(--rule-strong);
    padding: 0 0.15em;
}

/* --------------------------------------------------------------------------
   3. 阅读进度条
   -------------------------------------------------------------------------- */
.progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: var(--accent);
    z-index: 60;
}

/* --------------------------------------------------------------------------
   4. 页眉
   -------------------------------------------------------------------------- */
.masthead {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--paper);
    background: color-mix(in srgb, var(--paper) 90%, transparent);
    -webkit-backdrop-filter: saturate(1.6) blur(14px);
    backdrop-filter: saturate(1.6) blur(14px);
    border-bottom: 1px solid var(--rule);
}

.masthead__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 4.75rem;
}

.brand {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.brand__name {
    font-family: var(--serif);
    font-size: 1.0625rem;
    letter-spacing: -0.01em;
    line-height: 1.15;
    white-space: nowrap;
}

.brand__tag {
    font-size: 0.5938rem;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
    white-space: nowrap;
}

.brand:hover .brand__name {
    color: var(--accent);
}

.nav {
    display: flex;
    align-items: center;
    gap: clamp(0.9rem, 2.4vw, 2.25rem);
    margin-left: auto;
}

.nav a {
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
    padding: 0.35rem 0;
    border-bottom: 1px solid transparent;
    transition: color 0.18s ease, border-color 0.18s ease;
}

.nav a:hover {
    color: var(--ink);
}

.nav a.is-active {
    color: var(--ink);
    border-bottom-color: var(--ink);
}

.theme-toggle {
    flex: none;
    width: 2.25rem;
    height: 2.25rem;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid var(--rule);
    border-radius: 999px;
    background: transparent;
    color: var(--ink-2);
    cursor: pointer;
    transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.theme-toggle:hover {
    border-color: var(--ink-3);
    color: var(--ink);
    transform: rotate(-12deg);
}

.theme-toggle .icon {
    width: 1.0625rem;
    height: 1.0625rem;
    display: block;
}

.theme-toggle .icon--moon {
    display: none;
}

:root.dark .theme-toggle .icon--sun {
    display: none;
}

:root.dark .theme-toggle .icon--moon {
    display: block;
}

/* --------------------------------------------------------------------------
   5. 通用排版元件
   -------------------------------------------------------------------------- */
.eyebrow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 0 0 1.35rem;
    font-size: 0.6563rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

.eyebrow a {
    color: var(--accent);
}

.eyebrow a:hover {
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.eyebrow__tag {
    color: var(--accent);
}

.eyebrow time::before {
    content: "";
    display: inline-block;
    width: 1.25rem;
    height: 1px;
    margin-right: 0.75rem;
    vertical-align: 0.28em;
    background: var(--rule-strong);
}

/* --------------------------------------------------------------------------
   6. 首页头条
   -------------------------------------------------------------------------- */
.lead {
    padding: clamp(2.75rem, 6vw, 5.25rem) 0 clamp(2.25rem, 4.5vw, 3.25rem);
    border-bottom: 1px solid var(--rule);
}

.lead__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(1.75rem, 5vw, 4.5rem);
    align-items: end;
}

.lead__side {
    padding-bottom: 0.35rem;
}

.lead__title {
    margin: 0 0 1.5rem;
    font-family: var(--serif);
    font-size: clamp(2.4rem, 6.6vw, 4.5rem);
    font-weight: 600;
    line-height: 1.02;
    letter-spacing: -0.024em;
    text-wrap: balance;
    max-width: 24ch;
}

.lead__title a {
    background-image: linear-gradient(var(--accent), var(--accent));
    background-repeat: no-repeat;
    background-position: 0 96%;
    background-size: 0% 2px;
    transition: background-size 0.35s cubic-bezier(0.22, 1, 0.36, 1),
        color 0.2s ease;
}

.lead__title a:hover {
    background-size: 100% 2px;
}

.lead__dek {
    margin: 0 0 1.75rem;
    font-family: var(--serif);
    font-size: clamp(1rem, 1.5vw, 1.1875rem);
    line-height: 1.62;
    color: var(--ink-2);
}

.lead__foot {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem 1.75rem;
    margin: 0;
}

.lead__time {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
}

.lead__more {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    border-bottom: 1px solid transparent;
    padding-bottom: 0.15rem;
    transition: border-color 0.2s ease;
}

.lead__more:hover {
    border-bottom-color: var(--accent);
}

/* --------------------------------------------------------------------------
   7. 文章流
   -------------------------------------------------------------------------- */
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    padding: clamp(2.25rem, 4.5vw, 3.5rem) 0 1.125rem;
    border-bottom: 1px solid var(--ink);
}

.section-head h2 {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--ink);
}

.section-head__link {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-3);
    transition: color 0.2s ease;
}

.section-head__link:hover {
    color: var(--accent);
}

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

.row {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr) 8.5rem;
    gap: 1.5rem;
    padding: 1.875rem 0;
    border-bottom: 1px solid var(--rule);
}

.row__num {
    padding-top: 0.5rem;
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--rule-strong);
    letter-spacing: 0.05em;
}

.row__title {
    margin: 0 0 0.5rem;
    font-family: var(--serif);
    font-size: clamp(1.2rem, 2.1vw, 1.6875rem);
    font-weight: 600;
    line-height: 1.22;
    letter-spacing: -0.012em;
    text-wrap: balance;
}

.row__title a {
    transition: color 0.18s ease;
}

.row__title a:hover {
    color: var(--accent);
}

.row__dek {
    margin: 0 0 0.65rem;
    max-width: 62ch;
    font-size: 0.9375rem;
    line-height: 1.62;
    color: var(--ink-2);
}

.row__meta {
    margin: 0;
    font-size: 0.6563rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ink-3);
}

.row__date {
    padding-top: 0.55rem;
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
    text-align: right;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   8. 首页简介条
   -------------------------------------------------------------------------- */
.brief {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: 1.75rem;
    align-items: start;
    margin-top: clamp(2.75rem, 6vw, 4.5rem);
    padding: clamp(2rem, 4vw, 2.75rem) 0 0;
    border-top: 1px solid var(--ink);
}

.brief__avatar {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    object-fit: cover;
    filter: grayscale(0.35) contrast(1.03);
}

.brief__label {
    margin: 0 0 0.75rem;
    font-size: 0.6563rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

.brief__text {
    margin: 0 0 1rem;
    max-width: 54ch;
    font-family: var(--serif);
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    line-height: 1.5;
    color: var(--ink-2);
}

.brief__text em {
    color: var(--ink);
    font-style: italic;
}

.brief__link {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
}

.brief__link:hover {
    text-decoration: underline;
    text-underline-offset: 0.25em;
}

/* --------------------------------------------------------------------------
   9. 文章页
   -------------------------------------------------------------------------- */
.post__grid {
    display: grid;
    grid-template-columns: minmax(0, var(--measure)) 13rem;
    grid-template-areas:
        "head ."
        "body aside"
        "tail aside";
    justify-content: center;
    column-gap: clamp(2rem, 5vw, 4.5rem);
    padding-top: clamp(2.5rem, 5vw, 4.25rem);
}

.post__grid--solo {
    grid-template-columns: minmax(0, var(--measure));
    grid-template-areas:
        "head"
        "body"
        "tail";
}

.post__head {
    grid-area: head;
}

.post__title {
    margin: 0 0 1.35rem;
    font-family: var(--serif);
    font-size: clamp(2rem, 4.6vw, 3.375rem);
    font-weight: 600;
    line-height: 1.06;
    letter-spacing: -0.022em;
    text-wrap: balance;
}

.post__meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem 0.15rem;
    margin: 0;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--rule);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ink-3);
}

.post__body {
    grid-area: body;
}

.post__aside {
    grid-area: aside;
    align-self: start;
    position: sticky;
    top: 6.5rem;
    padding-top: 0.5rem;
}

/* 目录 */
.tocbox {
    padding-left: 1rem;
    border-left: 1px solid var(--rule);
    font-size: 0.75rem;
    line-height: 1.55;
}

.tocbox__label {
    margin: 0 0 0.875rem;
    font-size: 0.5938rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

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

.tocbox ol ol {
    padding-left: 0.75rem;
}

.tocbox li {
    margin: 0.45rem 0;
}

.tocbox a {
    display: block;
    color: var(--ink-3);
    transition: color 0.16s ease;
    border-left: 1px solid transparent;
    margin-left: -1.05rem;
    padding-left: 1rem;
}

.tocbox a:hover {
    color: var(--ink);
}

.tocbox a.is-active {
    color: var(--accent);
    border-left-color: var(--accent);
}

.tocbox .toc-number {
    display: none;
}

/* 文末 */
.post__tail {
    grid-area: tail;
    margin-top: clamp(2.5rem, 5vw, 4rem);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--rule);
}

.tags a {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border: 1px solid var(--rule);
    border-radius: 999px;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-2);
    transition: border-color 0.18s ease, color 0.18s ease;
}

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

.license {
    margin: 0;
    padding: 1.25rem 0;
    border-top: 1px solid var(--rule);
    font-size: 0.75rem;
    line-height: 1.7;
    color: var(--ink-3);
}

.license a {
    color: var(--ink-2);
    text-decoration: underline;
    text-decoration-color: var(--rule-strong);
    text-underline-offset: 0.2em;
}

.license a:hover {
    color: var(--accent);
}

/* 上一篇 / 下一篇 */
.pn {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin-top: 1.25rem;
    background: var(--rule);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
}

.pn__item {
    display: block;
    padding: 1.5rem 1.25rem;
    background: var(--paper);
    transition: background-color 0.18s ease;
}

.pn__item--next {
    text-align: right;
}

a.pn__item:hover {
    background: var(--paper-2);
}

.pn__label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.5938rem;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

.pn__title {
    display: block;
    font-family: var(--serif);
    font-size: 1.0625rem;
    line-height: 1.3;
    color: var(--ink);
}

/* --------------------------------------------------------------------------
   10. 正文排版
   -------------------------------------------------------------------------- */
.prose {
    font-family: var(--serif);
    font-size: clamp(1.0625rem, 1.1vw, 1.1875rem);
    line-height: 1.78;
    color: var(--ink);
    overflow-wrap: break-word;
}

.prose > p:first-child {
    font-size: 1.08em;
    color: var(--ink);
}

.prose p {
    margin: 0 0 1.4em;
}

.prose h2,
.prose h3,
.prose h4 {
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -0.014em;
    scroll-margin-top: 6.5rem;
}

.prose h2 {
    margin: 2.5em 0 0.7em;
    font-size: clamp(1.4375rem, 2.3vw, 1.8125rem);
    line-height: 1.24;
}

.prose h3 {
    margin: 2.1em 0 0.6em;
    font-size: 1.1875rem;
    line-height: 1.32;
}

.prose h4 {
    margin: 1.8em 0 0.5em;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--ink-2);
}

.prose a {
    color: var(--ink);
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.22em;
    transition: color 0.16s ease;
}

.prose a:hover {
    color: var(--accent);
}

.prose strong {
    font-weight: 600;
}

.prose em {
    font-style: italic;
}

.prose ul,
.prose ol {
    margin: 0 0 1.4em;
    padding-left: 1.35em;
}

.prose li {
    margin: 0.42em 0;
}

.prose li::marker {
    color: var(--ink-3);
}

.prose blockquote {
    margin: 2em 0;
    padding: 0.15em 0 0.15em 1.5rem;
    border-left: 2px solid var(--accent);
    font-style: italic;
    color: var(--ink-2);
}

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

.prose img {
    display: block;
    margin: 2.25em auto;
    max-width: 100%;
}

.prose hr {
    margin: 3em 0;
    border: 0;
    border-top: 1px solid var(--rule);
}

.prose table {
    width: 100%;
    margin: 2em 0;
    border-collapse: collapse;
    font-family: var(--sans);
    font-size: 0.875rem;
    line-height: 1.55;
}

.prose th,
.prose td {
    padding: 0.65em 0.75em;
    text-align: left;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
}

.prose th {
    font-weight: 600;
    border-bottom: 1px solid var(--ink-3);
}

/* 行内代码 */
.prose code {
    font-family: var(--mono);
    font-size: 0.84em;
    padding: 0.15em 0.38em;
    border-radius: 3px;
    background: var(--accent-soft);
    color: var(--accent);
}

.prose a code {
    color: inherit;
}

/* 代码块 */
.prose figure.highlight,
.prose pre {
    margin: 2em 0;
    border-radius: 5px;
    background: var(--code-bg);
    overflow: hidden;
}

.prose figure.highlight table {
    width: 100%;
    margin: 0;
    font-family: var(--mono);
    font-size: inherit;
    border-collapse: collapse;
}

.prose figure.highlight td {
    padding: 0;
    border: 0;
    vertical-align: top;
}

.prose figure.highlight .gutter,
.prose figure.highlight .gutter pre {
    display: none;
}

.prose figure.highlight pre,
.prose pre {
    margin: 0;
    padding: 1.2rem 1.35rem;
    overflow-x: auto;
    background: transparent;
    color: var(--code-fg);
    font-family: var(--mono);
    font-size: 0.8125rem;
    line-height: 1.68;
    -webkit-overflow-scrolling: touch;
}

.prose figure.highlight code,
.prose pre code {
    padding: 0;
    background: none;
    color: inherit;
    font-size: inherit;
}

/* 语法着色（暖色调，与纸张底色呼应） */
.highlight .comment,
.highlight .quote {
    color: #6d6558;
    font-style: italic;
}

.highlight .keyword,
.highlight .selector-tag,
.highlight .doctag,
.highlight .formula {
    color: #d98b6a;
}

.highlight .string,
.highlight .meta-string,
.highlight .regexp,
.highlight .addition {
    color: #a9c08a;
}

.highlight .number,
.highlight .literal,
.highlight .symbol,
.highlight .bullet,
.highlight .link {
    color: #d7b36a;
}

.highlight .title,
.highlight .title.function_,
.highlight .section,
.highlight .name,
.highlight .function {
    color: #93bccd;
}

.highlight .attr,
.highlight .attribute,
.highlight .variable,
.highlight .template-variable,
.highlight .built_in,
.highlight .type,
.highlight .class .title {
    color: #c8a0b6;
}

.highlight .meta,
.highlight .tag,
.highlight .selector-id,
.highlight .selector-class {
    color: #9c9284;
}

.highlight .deletion {
    color: #e0785f;
}

.highlight .emphasis {
    font-style: italic;
}

.highlight .strong {
    font-weight: 600;
}

/* --------------------------------------------------------------------------
   11. 内页（关于 / 归档 / 分类）
   -------------------------------------------------------------------------- */
.page__head {
    max-width: var(--measure);
    margin: 0 auto;
    padding: clamp(2.75rem, 6vw, 5rem) 0 clamp(1.5rem, 3vw, 2.25rem);
}

.page__head--wide {
    max-width: none;
}

.page__title {
    margin: 0 0 1rem;
    font-family: var(--serif);
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    font-weight: 600;
    line-height: 1.03;
    letter-spacing: -0.024em;
    text-wrap: balance;
}

.page__lede {
    margin: 0;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ink-3);
}

.page__body {
    max-width: var(--measure);
    margin: 0 auto;
    padding-bottom: clamp(2rem, 4vw, 3rem);
}

.page__portrait {
    float: right;
    width: clamp(9rem, 22vw, 13rem);
    margin: 0.35rem 0 1.5rem 2rem;
    shape-outside: margin-box;
}

.page__portrait img {
    display: block;
    width: 100%;
    border-radius: 3px;
    filter: grayscale(0.22) contrast(1.02);
}

/* 归档 */
.year {
    display: grid;
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: clamp(1rem, 4vw, 3rem);
    padding: 1.75rem 0;
    border-top: 1px solid var(--rule);
}

.year__label {
    margin: 0;
    font-family: var(--serif);
    font-size: clamp(1.75rem, 3.6vw, 2.75rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.03em;
    color: var(--rule-strong);
}

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

.year__item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--rule);
}

.year__item:last-child {
    border-bottom: 0;
}

.year__item a {
    font-family: var(--serif);
    font-size: 1.0625rem;
    line-height: 1.35;
    transition: color 0.16s ease;
}

.year__item a:hover {
    color: var(--accent);
}

.year__meta {
    flex: none;
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-size: 0.6563rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ink-3);
    white-space: nowrap;
}

.year__meta time {
    font-family: var(--mono);
    letter-spacing: 0.04em;
}

/* 分类索引 */
.catlist {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: var(--measure);
}

.catlist__item {
    border-top: 1px solid var(--rule);
}

.catlist__item:last-child {
    border-bottom: 1px solid var(--rule);
}

.catlist__item a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.35rem 0;
    transition: padding-left 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.catlist__item a:hover {
    padding-left: 0.6rem;
}

.catlist__name {
    font-family: var(--serif);
    font-size: clamp(1.1875rem, 2.2vw, 1.5rem);
    letter-spacing: -0.012em;
}

.catlist__item a:hover .catlist__name {
    color: var(--accent);
}

.catlist__count {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
}

/* 分类/标签页里的列表去掉首条分隔线 */
.stream__list--flat {
    max-width: var(--measure);
    margin: 0 auto;
}

.stream__list--flat .row:first-child {
    border-top: 1px solid var(--rule);
}

/* --------------------------------------------------------------------------
   12. 分页
   -------------------------------------------------------------------------- */
.pager {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    max-width: var(--measure);
    margin: 0 auto;
    padding: 2.5rem 0 0;
}

.pager__link {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--ink-2);
}

.pager__link:last-child {
    text-align: right;
}

.pager__link:hover {
    color: var(--accent);
}

.pager__count {
    font-family: var(--mono);
    font-size: 0.6875rem;
    color: var(--ink-3);
}

/* --------------------------------------------------------------------------
   13. 评论区
   -------------------------------------------------------------------------- */
.comments {
    margin-top: 2.5rem;
}

.comments__label {
    margin: 0 0 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--rule);
    font-size: 0.5938rem;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

/* --------------------------------------------------------------------------
   14. 空状态
   -------------------------------------------------------------------------- */
.empty {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

/* --------------------------------------------------------------------------
   15. 页脚
   -------------------------------------------------------------------------- */
.foot {
    margin-top: clamp(4rem, 8vw, 7rem);
    border-top: 1px solid var(--rule);
}

.foot__inner {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: clamp(1.75rem, 4vw, 3.5rem);
    padding-top: clamp(2.5rem, 5vw, 3.75rem);
    padding-bottom: clamp(2rem, 4vw, 3rem);
}

.foot__name {
    margin: 0 0 0.875rem;
    font-family: var(--serif);
    font-size: 1.0625rem;
    letter-spacing: -0.01em;
}

.foot__note {
    margin: 0;
    max-width: 34ch;
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--ink-3);
}

.foot__label {
    margin: 0 0 0.875rem;
    font-size: 0.5938rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.19em;
    color: var(--ink-3);
}

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

.foot__list li {
    margin: 0 0 0.5rem;
}

.foot__list a {
    font-size: 0.8125rem;
    color: var(--ink-2);
    transition: color 0.16s ease;
}

.foot__list a:hover {
    color: var(--accent);
}

.foot__base {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.125rem;
    padding-bottom: 1.5rem;
    border-top: 1px solid var(--rule);
    font-size: 0.6563rem;
    text-transform: uppercase;
    letter-spacing: 0.13em;
    color: var(--ink-3);
}

.foot__base a {
    color: var(--ink-2);
}

.foot__base a:hover {
    color: var(--accent);
}

/* --------------------------------------------------------------------------
   16. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 64rem) {
    .lead__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.5rem;
        align-items: start;
    }

    .lead__title {
        max-width: none;
        margin-bottom: 0;
    }

    .post__grid,
    .post__grid--solo {
        grid-template-columns: minmax(0, var(--measure));
        grid-template-areas:
            "head"
            "aside"
            "body"
            "tail";
    }

    .post__aside {
        position: static;
        padding: 0 0 2rem;
    }

    .tocbox {
        border-left: 0;
        padding-left: 0;
        border-top: 1px solid var(--rule);
        padding-top: 1.125rem;
    }

    .tocbox a {
        margin-left: 0;
        padding-left: 0;
        border-left: 0;
    }

    .tocbox a.is-active {
        border-left: 0;
    }

}

@media (max-width: 48rem) {
    .masthead__inner {
        min-height: 4rem;
    }

    .brand__tag {
        display: none;
    }

    .nav {
        gap: 1.125rem;
    }

    .nav a {
        font-size: 0.625rem;
        letter-spacing: 0.1em;
    }

    .row {
        grid-template-columns: 1.75rem minmax(0, 1fr);
        gap: 0.5rem 0.875rem;
        padding: 1.5rem 0;
    }

    .row__date {
        grid-column: 2;
        padding-top: 0;
        text-align: left;
    }

    .row__dek {
        display: none;
    }

    .year {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .year__item {
        flex-direction: column;
        gap: 0.35rem;
    }

    .year__meta {
        gap: 0.75rem;
    }

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

    .foot__base {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

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

    .pn__item--next {
        text-align: left;
    }

    .page__portrait {
        float: none;
        width: 8.5rem;
        margin: 0 0 1.5rem;
    }

    .brief {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* --------------------------------------------------------------------------
   17. 打印
   -------------------------------------------------------------------------- */
@media print {
    .masthead,
    .foot,
    .post__aside,
    .progress,
    .theme-toggle,
    .pn,
    .comments {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
        font-size: 11pt;
    }

    .post__grid {
        display: block;
    }

    .prose a {
        text-decoration: underline;
        color: #000;
    }
}