/* GeoNews 1.3.3 — "Industrial Authority" theme for Typecho
   面向机械设备外贸(B2B / 英文内容 / Google 排名 + AI 引擎引用):
   暖纸底 + 石墨墨 + 焦橙强调,发丝线网格,技术感等宽标签,双色调配图。
   @author 科劳德(2026-11-11) 版本号与插件对齐
   @author 美团(2026-11-12) 全新视觉:工业权威感设计系统
   修改记录: opencode(2026-11-11) - 1.2.0
   修改记录: 美团(2026-11-11) - 1.3.0:color-mix() 补兜底
   修改记录: 美团(2026-11-12) - 1.3.2:按 Untitled UI 重做(已废弃)
   修改记录: 美团(2026-11-12) - 1.3.3:改为「工业权威感」设计系统(暖纸/石墨/焦橙)*/

/* ==================== 设计令牌 ==================== */
:root {
    --paper: #F5F2EC;
    --surface: #FFFFFF;
    --surface-2: #EFEAE1;
    --ink: #15171C;
    --ink-soft: #464B55;
    --ink-weak: #878D99;
    --line: #E0D9CC;
    --line-strong: #C6BDAC;
    --accent: #D2501B;
    --accent-deep: #A23B10;
    --accent-tint: #FBE7DB;
    --steel: #1D2026;
    --steel-2: #15171C;
    --steel-3: #2B2F37;

    --radius-sm: 2px;
    --radius: 4px;
    --radius-lg: 8px;

    --wrap: 1240px;
    --font-sans: "Helvetica Neue", Helvetica, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

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

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--accent-deep); text-decoration: none; }
a:hover { color: var(--accent); text-decoration: underline; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 36px; }

.muted { color: var(--ink-weak); }

/* ==================== 技术感标签 / 眉题 ==================== */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--accent-deep);
}
.eyebrow::before { content: "//"; color: var(--line-strong); }

.tag {
    display: inline-block;
    padding: 3px 9px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    background: var(--surface);
    line-height: 1.5;
}
.tag:hover { border-color: var(--accent); color: var(--accent-deep); text-decoration: none; }

.btn {
    display: inline-block;
    padding: 11px 22px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid var(--accent);
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; text-decoration: none; }
.btn-ghost {
    background: transparent;
    color: var(--ink);
    border-color: var(--line-strong);
}
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }

/* ==================== 双色调配图 ==================== */
.duotone {
    position: relative;
    overflow: hidden;
    background: var(--surface-2);
    isolation: isolate;
}
.duotone img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1) contrast(1.15) brightness(1.03);
}
.duotone::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--accent);
    mix-blend-mode: color;
    pointer-events: none;
}
.duotone.is-empty { background: linear-gradient(135deg, #2B2F37 0%, #15171C 100%); }
.duotone.is-empty::after { display: none; }
.duotone .duotone-ph {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .55);
    font-family: var(--font-mono);
    font-size: 44px;
    font-weight: 700;
    pointer-events: none;
    z-index: 2;
}

/* ==================== 刊头 ==================== */
.masthead { background: var(--paper); border-bottom: 1px solid var(--line); }

.masthead-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding: 26px 0 22px;
}
.brand { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand-mark {
    flex: 0 0 auto;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .02em;
}
.brand-name {
    display: block;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -.024em;
    line-height: 1.1;
    color: var(--ink);
}
.brand-name a { color: var(--ink); }
.brand-name a:hover { color: var(--accent-deep); text-decoration: none; }
.brand-tag {
    display: block;
    margin-top: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-weak);
}

.masthead-tools { display: flex; align-items: center; gap: 16px; flex: 0 0 auto; }
.search-form { display: flex; align-items: center; }
.search-input {
    width: 210px;
    padding: 10px 12px;
    border: 1px solid var(--line-strong);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 13px;
}
.search-input:focus { outline: none; border-color: var(--accent); }
.search-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--ink);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--ink);
    color: var(--paper);
    font-size: 14px;
    cursor: pointer;
}
.search-btn:hover { background: var(--accent); border-color: var(--accent); }

/* 规格带:认证 / 出口 / 交付 */
.specstrip {
    border-top: 1px solid var(--line);
    background: var(--surface);
}
.specstrip-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
}
.specstrip-inner span {
    position: relative;
    padding: 9px 18px 9px 0;
    margin-right: 18px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
.specstrip-inner span::after {
    content: "";
    position: absolute;
    right: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    background: var(--accent);
}
.specstrip-inner span:last-child::after { display: none; }

/* 导航 */
.mainnav { border-top: 1px solid var(--line); background: var(--paper); }
.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}
.nav-list li { display: flex; }
.nav-list a {
    display: flex;
    align-items: center;
    padding: 13px 18px;
    border-right: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-soft);
    line-height: 1.2;
}
.nav-list li:first-child a { border-left: 1px solid var(--line); }
.nav-list a:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.nav-list li.current > a { background: var(--accent); color: #fff; }
.nav-list .nav-page a { color: var(--ink-weak); }

/* ==================== 首页 hero ==================== */
.hero { padding: 44px 0 40px; }
.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
}
.hero-feature { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.hero-media { display: block; aspect-ratio: 16 / 9; }
.hero-body { display: flex; flex-direction: column; gap: 14px; }
.hero-title {
    margin: 0;
    font-size: clamp(30px, 3.6vw, 46px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -.032em;
}
.hero-title a { color: var(--ink); }
.hero-title a:hover { color: var(--accent-deep); text-decoration: none; }
.hero-excerpt {
    margin: 0;
    font-size: 16.5px;
    line-height: 1.65;
    color: var(--ink-soft);
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-weak);
}
.hero-meta a { color: var(--ink-soft); }

/* 侧栏索引 */
.rail { border-top: 2px solid var(--ink); padding-top: 18px; }
.rail-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}
.rail-title { margin: 0; font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.rail-count { font-family: var(--font-mono); font-size: 11px; color: var(--ink-weak); }

.index-list { list-style: none; margin: 0; padding: 0; counter-reset: gnindex; }
.index-list li { counter-increment: gnindex; border-top: 1px solid var(--line); }
.index-list li:first-child { border-top: none; }
.index-list a {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 12px 0;
    color: var(--ink);
}
.index-list a::before {
    content: "0" counter(gnindex);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--line-strong);
    line-height: 1.6;
}
.index-list a:hover { color: var(--accent-deep); text-decoration: none; }
.index-list a:hover::before { color: var(--accent); }
.index-title { display: block; font-size: 14.5px; font-weight: 600; line-height: 1.4; letter-spacing: -.008em; }
.index-meta { display: block; margin-top: 3px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-weak); }

/* ==================== 列表(每行一条:标题 + 摘要) ==================== */
.post-list { border-top: 2px solid var(--ink); }
.post-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px;
    gap: 28px;
    align-items: start;
    padding: 28px 0;
    border-bottom: 1px solid var(--line);
}
.post-row-main { min-width: 0; }
.post-row-title {
    margin: 0 0 10px;
    font-size: clamp(21px, 2.3vw, 27px);
    font-weight: 800;
    line-height: 1.14;
    letter-spacing: -.026em;
}
.post-row-title a { color: var(--ink); }
.post-row-title a:hover { color: var(--accent-deep); text-decoration: none; }
.post-row-excerpt {
    margin: 0;
    font-size: 15px;
    line-height: 1.62;
    color: var(--ink-soft);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-row-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-weak);
    line-height: 1.5;
}
.post-row-meta a { color: var(--accent-deep); }

/* ==================== 首页网格 ==================== */
.home-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: start;
    padding-top: 40px;
    padding-bottom: 46px;
}
.section-band {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--ink);
}
.section-title { margin: 0; font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.section-link { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-weak); }
.section-link:hover { color: var(--accent); }

.post-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}
.post-card {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    min-width: 0;
}
.card-media { display: block; aspect-ratio: 16 / 10; border-bottom: 1px solid var(--line); }
.card-body { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.card-kicker { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.card-title {
    margin: 0;
    font-size: 17px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -.016em;
}
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--accent-deep); text-decoration: none; }
.card-excerpt {
    margin: 0;
    font-size: 14px;
    color: var(--ink-soft);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta {
    margin: auto 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-weak);
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-cat { color: var(--accent-deep); font-weight: 600; }
.card-cat-inline { color: var(--accent-deep); font-weight: 600; }

/* ==================== 归档头 ==================== */
.archive-head {
    padding: 44px 0 30px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 32px;
}
.archive-title {
    margin: 14px 0 8px;
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    letter-spacing: -.03em;
    line-height: 1.06;
}
.archive-description { margin: 0; max-width: 680px; color: var(--ink-soft); }
.archive-count { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-weak); }

/* ==================== 文章页 ==================== */
.post-layout {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
    padding: 44px 0 24px;
}
.post-rail { position: sticky; top: 32px; }
.rail-block { border-top: 2px solid var(--ink); padding-top: 12px; margin-bottom: 24px; }
.rail-label { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-weak); }
.rail-value { font-size: 13.5px; color: var(--ink); }
.rail-value a { color: var(--ink-soft); }
.rail-actions { display: flex; flex-direction: column; gap: 8px; }
.rail-actions .post-action { width: 100%; text-align: left; }

.post-full { min-width: 0; }
.post-header { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.post-title {
    margin: 14px 0 16px;
    font-size: clamp(30px, 3.8vw, 44px);
    font-weight: 800;
    line-height: 1.06;
    letter-spacing: -.034em;
}
.post-meta {
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--ink-weak);
}
.post-meta a { color: var(--ink-soft); }
.post-meta a:hover { color: var(--accent); }
.post-meta .sep { color: var(--line-strong); }
.updated-badge {
    padding: 2px 8px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    color: var(--accent-deep);
    background: var(--accent-tint);
}

/* TL;DR */
.tldr {
    margin: 0 0 30px;
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    background: var(--surface);
}
.tldr-title { margin: 0 0 8px; font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-deep); }
.tldr-content { margin: 0; font-size: 15.5px; }

/* 正文 */
.post-content { font-size: 16.5px; line-height: 1.82; }
.post-content > *:first-child { margin-top: 0; }
.post-content h2, .post-content h3, .post-content h4 {
    line-height: 1.22;
    font-weight: 800;
    letter-spacing: -.02em;
    margin: 1.9em 0 .7em;
}
.post-content h2 { font-size: 26px; }
.post-content h3 { font-size: 20px; }
.post-content h4 { font-size: 17px; }
.post-content p { margin: 1em 0; }
.post-content ul, .post-content ol { margin: 1em 0; padding-left: 22px; }
.post-content li { margin: .45em 0; }
.post-content img { max-width: 100%; height: auto; border: 1px solid var(--line); }
.post-content blockquote {
    margin: 1.5em 0;
    padding: 2px 0 2px 18px;
    border-left: 3px solid var(--accent);
    color: var(--ink-soft);
}
.post-content code {
    font-family: var(--font-mono);
    font-size: .88em;
    background: var(--surface-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
}
.post-content pre {
    overflow-x: auto;
    background: var(--steel-2);
    color: #F2EEE6;
    border-radius: var(--radius);
    padding: 16px 18px;
    font-size: 13px;
    line-height: 1.65;
}
.post-content pre code { background: none; border: none; padding: 0; color: inherit; }
.post-content hr { border: none; border-top: 1px solid var(--line); margin: 2.2em 0; }
.post-content a { text-decoration: underline; text-underline-offset: 3px; }

.table-scroll { overflow-x: auto; }
.post-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    margin: 1.5em 0;
}
.post-content th, .post-content td {
    border: 1px solid var(--line);
    padding: 10px 12px;
    text-align: left;
}
.post-content th {
    background: var(--steel);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.post-content tr:nth-child(even) td { background: var(--surface); }

.breadcrumbs { margin: 0 0 20px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-weak); }
.breadcrumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.breadcrumbs li { display: inline-flex; align-items: center; }
.breadcrumbs a { color: var(--ink-weak); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs li + li::before { content: "/"; margin-right: 6px; color: var(--line-strong); }
.breadcrumbs li[aria-current] { color: var(--ink-soft); }

/* TOC */
.toc {
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 16px 16px 10px;
    margin-bottom: 24px;
}
.toc-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.toc-title { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.toc-toggle {
    border: 1px solid var(--line-strong);
    background: var(--surface);
    border-radius: var(--radius-sm);
    width: 26px; height: 22px;
    font-size: 11px; line-height: 1;
    color: var(--ink-soft);
    cursor: pointer;
}
.toc-list { list-style: none; margin: 0; padding: 0; }
.toc-list li { margin: 0; }
.toc-list a {
    display: block;
    padding: 6px 0 6px 12px;
    border-left: 2px solid var(--line);
    font-size: 13px;
    line-height: 1.45;
    color: var(--ink-soft);
}
.toc-list a:hover { color: var(--accent-deep); text-decoration: none; }
.toc-list a.active { border-left-color: var(--accent); color: var(--accent-deep); font-weight: 600; }

.read-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--accent); z-index: 100; transition: width .1s linear; }

/* 标签 */
.post-tags { margin: 32px 0 0; padding-top: 22px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.post-tags-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-weak); margin-right: 4px; }
.post-tags a {
    display: inline-block;
    padding: 3px 9px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    background: var(--surface);
}
.post-tags a:hover { border-color: var(--accent); color: var(--accent-deep); text-decoration: none; }

/* FAQ */
.faq-section { margin: 36px 0 0; }
.faq-section h2 { font-size: 22px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 16px; }
.faq-item { border: 1px solid var(--line); background: var(--surface); margin-bottom: 10px; padding: 14px 18px; }
.faq-item summary { cursor: pointer; font-weight: 600; font-size: 15.5px; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before { content: "+"; color: var(--accent); font-weight: 700; margin-right: 10px; font-family: var(--font-mono); }
.faq-item[open] summary::before { content: "–"; }
.faq-answer { margin: 10px 0 0; padding-left: 22px; color: var(--ink-soft); font-size: 15px; }

/* 出版方盒 */
.publisher-box {
    margin: 36px 0 0;
    padding: 20px 22px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--accent);
    background: var(--surface);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.publisher-logo { width: 46px; height: 46px; object-fit: cover; border: 1px solid var(--line-strong); }
.publisher-info { flex: 1; min-width: 0; }
.publisher-name { margin: 0 0 4px; font-size: 15px; font-weight: 700; }
.publisher-desc { margin: 0; font-size: 13.5px; color: var(--ink-soft); }

/* 分享 / 打印 */
.post-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); }
.post-action {
    padding: 8px 16px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink-soft);
    font: inherit;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    text-transform: uppercase;
    cursor: pointer;
}
.post-action:hover { color: var(--accent-deep); border-color: var(--accent); }

.related-posts { margin: 44px 0 0; }
.related-posts .post-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ==================== 侧栏 ==================== */
.sidebar { padding-top: 44px; }
.widget {
    border: 1px solid var(--line);
    background: var(--surface);
    padding: 20px 20px 14px;
    margin-bottom: 22px;
}
.widget-title {
    margin: 0 0 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--ink);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--ink);
}
.widget-list { list-style: none; margin: 0; padding: 0; }
.widget-list li { border-top: 1px solid var(--line); }
.widget-list li:first-child { border-top: none; }
.widget-list a { display: block; padding: 9px 0; font-size: 14px; color: var(--ink-soft); }
.widget-list a:hover { color: var(--accent-deep); }
.widget-list .count { float: right; font-family: var(--font-mono); font-size: 11px; color: var(--ink-weak); }
.widget-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-chip {
    display: inline-block;
    padding: 3px 9px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-soft);
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent-deep); text-decoration: none; }

/* ==================== 页脚 ==================== */
.site-footer {
    margin-top: 64px;
    background: var(--steel-2);
    color: rgba(245, 242, 236, .78);
}
.footer-inner { padding: 64px 0 30px; }
.footer-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 34px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-wordmark { margin: 0; font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; letter-spacing: -.04em; line-height: .96; color: #F5F2EC; }
.footer-wordmark a { color: #F5F2EC; }
.footer-wordmark a:hover { color: var(--accent); text-decoration: none; }
.footer-tagline { max-width: 380px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: rgba(245, 242, 236, .55); line-height: 1.7; }
.footer-cta { display: flex; gap: 10px; flex: 0 0 auto; }

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
    padding: 36px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.footer-col h3 {
    margin: 0 0 14px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: rgba(245, 242, 236, .45);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin: 9px 0; }
.footer-col a { color: rgba(245, 242, 236, .82); font-size: 14px; }
.footer-col a:hover { color: var(--accent); }

.footer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 22px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(245, 242, 236, .5);
}
.footer-bar a { color: rgba(245, 242, 236, .78); }
.footer-machine { margin-top: 8px; color: rgba(245, 242, 236, .45); }
.footer-machine a { color: rgba(245, 242, 236, .7); }

/* ==================== 评论 ==================== */
.comments { margin-top: 44px; }
.comments-title { font-size: 22px; font-weight: 800; letter-spacing: -.02em; margin: 0 0 20px; }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-list .comment-list { margin-left: 32px; }
.comment-body { border: 1px solid var(--line); background: var(--surface); padding: 16px 18px; margin-bottom: 12px; }
.comment-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-weak); margin-bottom: 8px; }
.comment-author { font-weight: 700; color: var(--ink); }
.comment-content { font-size: 15px; }
.comment-respond .form-row { margin-bottom: 14px; }
.comment-respond label { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.comment-respond label.required::after { content: " *"; color: var(--accent); }
.comment-respond .text, .comment-respond .textarea {
    display: block;
    width: 100%;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--ink);
    font: inherit;
    font-size: 14px;
    padding: 10px 12px;
}
.comment-respond .text:focus, .comment-respond .textarea:focus { outline: none; border-color: var(--accent); }
.comment-respond .textarea { min-height: 140px; resize: vertical; }
.comment-respond .btn { border: none; background: var(--accent); color: #fff; cursor: pointer; }
.comment-respond .btn:hover { background: var(--accent-deep); }
.logged-in-as { font-size: 13.5px; color: var(--ink-weak); }
.comments-closed { color: var(--ink-weak); }

/* ==================== 404 / 空状态 ==================== */
.error-404 { text-align: left; padding: 90px 0 60px; }
.code-404 {
    font-family: var(--font-mono);
    font-size: 96px;
    font-weight: 700;
    letter-spacing: -.04em;
    color: var(--accent);
    margin: 0;
    line-height: 1;
}
.error-404 h2 { font-size: 28px; font-weight: 800; letter-spacing: -.03em; margin: 20px 0 10px; }
.error-404 p { color: var(--ink-soft); }
.empty-state {
    text-align: left;
    padding: 60px 0;
    border: 1px solid var(--line);
    background: var(--surface);
    padding-left: 26px;
    padding-right: 26px;
}
.empty-state h2 { margin: 0 0 8px; font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.empty-state p { color: var(--ink-soft); }

/* ==================== 返回顶部 ==================== */
#gn-top {
    position: fixed;
    right: 26px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line-strong);
    background: var(--surface);
    color: var(--accent-deep);
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease;
    z-index: 90;
}
#gn-top.visible { opacity: 1; visibility: visible; }

/* ==================== 分页 ==================== */
.page-navigator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin: 44px 0 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.page-navigator a.prev, .page-navigator a.next { color: var(--ink-soft); font-weight: 600; }
.page-navigator a.prev:hover, .page-navigator a.next:hover { color: var(--accent-deep); text-decoration: none; }
.page-navigator .pager-current { color: var(--ink-weak); }

/* ==================== 响应式 ==================== */
@media (max-width: 1080px) {
    .hero-grid { grid-template-columns: minmax(0, 1fr); }
    .home-layout { grid-template-columns: minmax(0, 1fr); }
    .sidebar { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
    .sidebar .widget { margin-bottom: 0; }
    .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .related-posts .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .post-layout { grid-template-columns: minmax(0, 1fr); }
    .post-rail { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
    .footer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .wrap { padding: 0 18px; }
    .masthead-top { flex-direction: column; align-items: flex-start; gap: 16px; }
    .masthead-tools { width: 100%; }
    .search-form { flex: 1; }
    .search-input { width: 100%; }
    .hero { padding: 30px 0 26px; }
    .post-row { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 22px 0; }
    .post-row-meta { flex-direction: row; gap: 14px; }
    .post-grid { grid-template-columns: minmax(0, 1fr); }
    .related-posts .post-grid { grid-template-columns: minmax(0, 1fr); }
    .sidebar { grid-template-columns: minmax(0, 1fr); }
    .post-rail { grid-template-columns: minmax(0, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-top { flex-direction: column; align-items: flex-start; }
    .footer-bar { flex-direction: column; text-align: left; }
    .specstrip-inner span { padding-right: 12px; margin-right: 12px; }
}

/* ==================== 打印 ==================== */
@media print {
    .masthead, .site-footer, .post-rail, .post-actions,
    .read-progress, #gn-top, .related-posts, .comments, .sidebar { display: none !important; }
    body { background: #fff; }
    .post-layout { grid-template-columns: minmax(0, 1fr); }
}