/* ============================================
   不卷了用AI Theme v6.0
   极简编辑风 · 干净专业 · 去AI感
   ============================================ */

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

:root {
    --c-bg: #ffffff;
    --c-surface: #f8f9fa;
    --c-border: #e9ecef;
    --c-border-light: #f1f3f5;
    --c-text: #212529;
    --c-text-2: #495057;
    --c-text-3: #868e96;
    --c-primary: #228be6;
    --c-primary-dark: #1c7ed6;
    --c-tag: #f1f3f5;
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --w: 720px;
    --w-wide: 1080px;
}
/* ===== Container ===== */
.container {
    max-width: var(--w-wide);
    margin: 0 auto;
    padding: 0 20px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    word-break: break-word;
    overflow-wrap: break-word;
}

a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }
img { max-width: 100%; display: block; }

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--c-header-bg, #fff);
    border-bottom: 1px solid var(--c-border);
}

.header-inner {
    max-width: var(--w-wide);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.site-branding { display: flex; align-items: center; gap: 8px; }

.site-title-link { text-decoration: none; }
.site-title-text {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
}

.site-slogan {
    font-size: .8rem;
    color: var(--c-text-3);
    display: none;
    margin-left: 10px;
    padding-left: 10px;
    border-left: 1px solid var(--c-border);
}
@media (min-width: 768px) { .site-slogan { display: inline; } }

.main-nav { flex: 1; }

.nav-list {
    display: flex;
    list-style: none;
    gap: 0;
    justify-content: center;
}

.nav-list a {
    display: block;
    padding: 6px 14px;
    color: var(--c-text-2);
    font-size: .875rem;
    font-weight: 500;
    border-radius: 4px;
    transition: color .15s;
}

.nav-list a:hover { color: var(--c-text); }

.header-actions { display: flex; align-items: center; gap: 4px; }

.search-toggle, .mobile-toggle {
    background: none;
    border: none;
    color: var(--c-text-3);
    cursor: pointer;
    padding: 6px;
    border-radius: 4px;
    transition: color .15s;
}

.search-toggle:hover, .mobile-toggle:hover { color: var(--c-text); }

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    width: 18px;
}

.mobile-toggle span {
    display: block;
    height: 1.5px;
    background: currentColor;
    border-radius: 1px;
    transition: all .25s;
}

.mobile-toggle.active span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (max-width: 768px) {
    .mobile-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background: var(--c-header-bg, #fff);
        border-bottom: 1px solid var(--c-border);
        max-height: 0;
        overflow: hidden;
        transition: max-height .25s;
    }
    .main-nav.active { max-height: 300px; }
    .nav-list { flex-direction: column; padding: 8px 20px; }
    .nav-list a { padding: 10px 0; }
}

.search-panel {
    border-bottom: 1px solid var(--c-border);
    padding: 12px 20px;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height .3s ease, opacity .25s ease, padding .3s ease;
    padding-top: 0;
    padding-bottom: 0;
}
.search-panel.active {
    max-height: 120px;
    opacity: 1;
    padding-top: 12px;
    padding-bottom: 12px;
}
.search-panel .search-form { max-width: 400px; margin: 0 auto; display: flex; gap: 8px; }
.search-panel .search-field {
    flex: 1; padding: 7px 12px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: .875rem;
    outline: none;
}
.search-panel .search-field:focus { border-color: var(--c-primary); }
.search-panel .search-submit {
    padding: 7px 16px;
    background: var(--c-text);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: .8rem;
    cursor: pointer;
}

.site-announcement {
    background: var(--c-primary);
    color: #fff;
    padding: 8px 20px;
    font-size: .8rem;
    text-align: center;
}

/* ===== Main ===== */
.site-main {
    max-width: var(--w);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Hero — 极简版，去掉渐变 ===== */
.hero-banner {
    padding: 48px 0 36px;
    border-bottom: 1px solid var(--c-border);
    background: var(--c-surface);
}

.hero-content { text-align: center; }

.hero-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 8px;
}

.hero-desc {
    font-size: .9rem;
    color: var(--c-text-3);
    margin-bottom: 20px;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 20px;
    background: var(--c-text);
    color: #fff;
    font-size: .85rem;
    font-weight: 500;
    border-radius: 4px;
    transition: opacity .15s;
}
.hero-btn:hover { opacity: .85; color: #fff; }

/* ===== Stats Bar — 去掉，太AI ===== */

/* ===== 文章流 ===== */
.post-feed { padding: 4px 0; }

.feed-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--c-border-light);
}

.feed-item:last-child { border-bottom: none; }

.feed-link {
    display: flex;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    align-items: flex-start;
    padding: 8px;
    margin: -8px;
    border-radius: 6px;
    transition: background .15s;
}
.feed-link:hover { background: var(--c-surface); box-shadow: 0 2px 8px rgba(0,0,0,.06); }


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

.feed-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: .75rem;
    color: var(--c-text-3);
}

.feed-tag {
    padding: 1px 6px;
    background: color-mix(in srgb, var(--cat-color, var(--c-primary)) 10%, transparent);
    color: var(--cat-color, var(--c-text-3));
    font-size: .7rem;
    border-radius: 2px;
    text-decoration: none;
    transition: background .15s;
}
.feed-tag:hover { background: color-mix(in srgb, var(--cat-color, var(--c-primary)) 18%, transparent); }

.feed-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 4px;
    color: var(--c-text);
    transition: color .15s;
}
.feed-link:hover .feed-title { color: var(--c-primary); }

.feed-excerpt {
    font-size: .85rem;
    color: var(--c-text-2);
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.feed-thumb {
    width: 140px;
    height: 96px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
    background: var(--c-surface);
}
.feed-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media (max-width: 580px) {
    .feed-link { gap: 12px; }
    .feed-thumb { width: 100px; height: 68px; }
    .feed-title { font-size: .95rem; }
    .hero-banner { padding: 28px 0 20px; }
    .hero-title { font-size: 1.3rem; }
}

.feed-item:first-child .feed-thumb { display: none; }
.feed-item:first-child {
    padding: 20px 12px;
    background: var(--c-card-bg, var(--c-surface));
    border-radius: 6px;
    margin-bottom: 4px;
    transition: background .15s, box-shadow .15s;
}
.feed-item:first-child:hover { box-shadow: 0 2px 12px rgba(0,0,0,.08); }
.feed-item:first-child .feed-title { font-size: 1.2rem; }
.feed-item:first-child .feed-excerpt { -webkit-line-clamp: 3; }

/* ===== Category Tabs ===== */
.category-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--c-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    max-width: var(--w-wide);
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
    position: relative;
}
.category-tabs::-webkit-scrollbar { display: none; }

/* 滚动渐隐提示：左右边缘显示淡出效果，暗示可滚动 */
@media (max-width: 640px) {
    .category-tabs { padding: 0 32px; position: relative; }
    .category-tabs::before,
    .category-tabs::after {
        content: '';
        position: absolute;
        top: 0;
        width: 24px;
        height: 100%;
        pointer-events: none;
        z-index: 1;
    }
    .category-tabs::before {
        left: 0;
        background: linear-gradient(to right, var(--c-bg) 0%, transparent 100%);
    }
    .category-tabs::after {
        right: 0;
        background: linear-gradient(to left, var(--c-bg) 0%, transparent 100%);
    }
}

.category-tab {
    padding: 8px 14px;
    font-size: .8rem;
    color: var(--c-text-3);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color .15s, background .15s;
}
.category-tab:hover { color: var(--c-text); background: var(--c-border-light); border-radius: 4px; }
.category-tab.active {
    color: var(--c-primary);
    border-bottom-color: var(--c-primary);
    font-weight: 600;
    border-radius: 0;
}

/* ===== Archive ===== */
.archive-header {
    padding: 36px 0 20px;
    border-bottom: 1px solid var(--c-border);
}

.archive-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--c-text);
}

.archive-desc {
    color: var(--c-text-3);
    font-size: .85rem;
    margin-top: 4px;
}

/* ===== Single Post ===== */
.single-header { padding: 36px 0 16px; }

.single-content {
    margin: 0 auto;
    padding: 0 20px;
}

.single-cats {
    margin-bottom: 10px;
    display: flex;
    gap: 6px;
}

.single-cat-badge {
    padding: 2px 8px;
    background: color-mix(in srgb, var(--cat-color, var(--c-primary)) 10%, transparent);
    color: var(--cat-color, var(--c-text-3));
    font-size: .7rem;
    font-weight: 500;
    border-radius: 2px;
    text-decoration: none;
    transition: background .15s;
}
.single-cat-badge:hover { background: color-mix(in srgb, var(--cat-color, var(--c-primary)) 18%, transparent); }

.single-title {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    color: var(--c-text);
}

.single-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    font-size: .8rem;
    color: var(--c-text-3);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--c-border);
}

.meta-author { display: flex; align-items: center; gap: 6px; }
.meta-author img { border-radius: 50%; width: 24px; height: 24px; }

.single-featured-image { margin: 20px 0; }
.single-featured-image img { width: 100%; border-radius: 4px; }

/* ===== Entry Content ===== */
.entry-content {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--c-text);
}

.entry-content h1 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 28px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--c-border);
}

.entry-content h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 32px 0 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--c-border);
}

.entry-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 24px 0 8px;
}

.entry-content p { margin-bottom: 16px; }

.entry-content a {
    color: var(--c-primary);
    text-decoration: underline;
    text-decoration-color: rgba(34,139,230,.3);
    text-underline-offset: 2px;
}
.entry-content a:hover { text-decoration-color: var(--c-primary); }

.entry-content ul, .entry-content ol { margin: 12px 0; padding-left: 20px; }
.entry-content li { margin-bottom: 4px; }

.entry-content blockquote {
    margin: 16px 0;
    padding: 12px 16px;
    border-left: 3px solid var(--c-primary);
    background: var(--c-surface);
    color: var(--c-text-2);
    font-style: italic;
}
.entry-content blockquote a { text-decoration: none; }
.entry-content blockquote a:hover { text-decoration: underline; }

.entry-content pre {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    padding: 14px;
    overflow-x: auto;
    font-size: .85rem;
    margin: 16px 0;
    line-height: 1.6;
}

.entry-content code {
    background: var(--c-surface);
    padding: 1px 4px;
    border-radius: 2px;
    font-size: .85em;
}
.entry-content pre code { background: none; padding: 0; }

.table-wrap { overflow-x: auto; margin: 16px 0; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 480px; }

.entry-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: .875rem;
}
.entry-content th, .entry-content td {
    padding: 8px 12px;
    border: 1px solid var(--c-border);
    text-align: left;
}
.entry-content th { background: var(--c-surface); font-weight: 600; font-size: .8rem; }

.entry-content img { border-radius: 4px; margin: 16px 0; }
/* 修复：WordPress 将图片包裹在 <p> 中时，img 的 margin-top 与 p 的 margin-bottom 叠加导致间距不一致 */
.entry-content p > img { margin-top: 0; }

/* WordPress 块编辑器 <figure> 间距统一 */
.entry-content figure { margin: 16px 0; }
.entry-content figure img { margin: 0; border-radius: 4px; }
.entry-content figcaption { margin-top: 6px; font-size: .8rem; color: var(--c-text-3); text-align: center; }


.single-tags { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag-badge {
    padding: 2px 8px;
    background: var(--c-tag);
    color: var(--c-text-3);
    font-size: .75rem;
    border-radius: 2px;
    text-decoration: none;
}
.tag-badge:hover { background: var(--c-border); }

.ai-badge {
    margin-top: 16px;
    padding: 10px 14px;
    background: var(--c-surface);
    border-radius: 4px;
    font-size: .8rem;
    color: var(--c-text-3);
    text-align: center;
}

.post-navigation {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 16px;
    border-top: 1px solid var(--c-border);
}

.nav-prev, .nav-next {
    flex: 1;
    padding: 12px;
    background: var(--c-surface);
    border-radius: 4px;
    text-decoration: none;
    transition: background .15s, box-shadow .15s;
}
.nav-next { text-align: right; }
.nav-prev:hover, .nav-next:hover { background: var(--c-border); box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.nav-label { display: block; font-size: .7rem; color: var(--c-text-3); margin-bottom: 2px; }
.nav-title { display: block; font-size: .85rem; font-weight: 600; color: var(--c-text); transition: color .15s; }
.nav-prev:hover .nav-title, .nav-next:hover .nav-title { color: var(--c-primary); }

@media (max-width: 640px) { .post-navigation { flex-direction: column; gap: 8px; } }

.container-narrow { max-width: var(--w); margin: 0 auto; }

/* ===== Page ===== */
.page-content { padding: 36px 0; }
.page-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 20px; }

/* ===== 404 ===== */
.error-404 { padding: 60px 0; text-align: center; }
.error-code { font-size: 4rem; font-weight: 800; color: var(--c-border); margin-bottom: 8px; }
.error-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.error-desc { color: var(--c-text-3); margin-bottom: 16px; }
.error-btn {
    display: inline-flex;
    padding: 8px 18px;
    background: var(--c-text);
    color: #fff;
    border-radius: 4px;
    font-size: .85rem;
}
.error-btn:hover { opacity: .85; color: #fff; }
.error-search { max-width: 320px; margin: 20px auto 0; }
.no-results { text-align: center; padding: 48px 0; }

/* ===== Pagination ===== */
.pagination { padding: 20px 0 36px; text-align: center; }
.pagination .nav-links { display: flex; justify-content: center; gap: 4px; }
.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    background: var(--c-surface);
    border-radius: 4px;
    color: var(--c-text-2);
    font-size: .8rem;
    text-decoration: none;
}
.pagination .page-numbers:hover { background: var(--c-border); }
.pagination .page-numbers.current { background: var(--c-text); color: #fff; }

/* ===== Footer ===== */
.site-footer {
    border-top: 1px solid var(--c-border);
    padding: 28px 0 16px;
    margin-top: 32px;
}

.footer-grid {
    max-width: var(--w-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 28px;
    margin-bottom: 20px;
}

.footer-col h4 {
    font-size: .75rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.footer-about p { color: var(--c-text-2); font-size: .8rem; line-height: 1.6; margin-bottom: 4px; }
.footer-slogan { color: var(--c-text-3); font-size: .8rem; }

.footer-link {
    display: block;
    color: var(--c-text-2);
    font-size: .8rem;
    padding: 2px 0;
    text-decoration: none;
}
.footer-link:hover { color: var(--c-text); }

.social-links { display: flex; flex-wrap: wrap; gap: 6px; }
.social-link {
    padding: 4px 10px;
    background: var(--c-surface);
    border-radius: 3px;
    color: var(--c-text-3);
    font-size: .75rem;
    text-decoration: none;
}
.social-link:hover { background: var(--c-border); color: var(--c-text-2); }

.footer-bottom {
    max-width: var(--w-wide);
    margin: 0 auto;
    border-top: 1px solid var(--c-border);
    padding-top: 12px;
    text-align: center;
}
.footer-bottom p { font-size: .7rem; color: var(--c-text-3); }

@media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 16px; } }
.footer-grid-3 { grid-template-columns: 1.5fr 1fr 1fr; }
@media (max-width: 640px) { .footer-grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid-3 { grid-template-columns: 1fr; } }

/* ===== Comments ===== */
.comments-section { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.comment-list { list-style: none; }
.comment-body { padding: 12px; background: var(--c-surface); border-radius: 4px; margin-bottom: 8px; }
.comment-meta { display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.comment-author { font-weight: 600; font-size: .85rem; }
.comment-date { font-size: .7rem; color: var(--c-text-3); }

.comment-respond { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--c-border); }
.comment-respond h3 { font-size: 1rem; font-weight: 600; margin-bottom: 12px; }

.comment-form label {
    display: block;
    font-size: .8rem;
    font-weight: 500;
    color: var(--c-text-2);
    margin-bottom: 4px;
}
.comment-form .required { color: #e03131; }

.comment-form textarea,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: .875rem;
    margin-bottom: 12px;
    outline: none;
    font-family: var(--font);
}
.comment-form textarea:focus, .comment-form input:focus { border-color: var(--c-primary); }
.comment-form textarea { min-height: 120px; resize: vertical; line-height: 1.6; }

.comment-form .submit {
    padding: 8px 18px;
    background: var(--c-text);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: .85rem;
    cursor: pointer;
    transition: opacity .15s;
}
.comment-form .submit:hover { opacity: .85; }

/* ===== Search Form ===== */
.search-form { display: flex; gap: 6px; }
.search-field {
    flex: 1; padding: 7px 10px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    font-size: .85rem;
    outline: none;
    font-family: var(--font);
}
.search-field:focus { border-color: var(--c-primary); }
.search-submit {
    padding: 7px 14px;
    background: var(--c-text);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: .8rem;
    cursor: pointer;
}

/* ===== WP Core ===== */
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: .75rem; color: var(--c-text-3); text-align: center; padding: 4px; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #ddd; border-radius: 2px; }
::selection { background: rgba(34,139,230,.1); }

/* ===== Post Card Grid ===== */
.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    padding: 24px 0;
}

.post-card {
    background: var(--c-card-bg, var(--c-bg));
    border: 1px solid var(--c-border);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color .15s, box-shadow .15s;
}
.post-card:hover { border-color: var(--c-text-3); box-shadow: 0 2px 12px rgba(0,0,0,.08); }

.card-link { display: block; text-decoration: none; color: inherit; }

.card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--c-surface);
    overflow: hidden;
}
.card-image img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 12px; }

.card-title {
    font-size: .9rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--c-text);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-link:hover .card-title { color: var(--c-primary); }

.card-excerpt {
    font-size: .8rem;
    color: var(--c-text-2);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: .7rem;
    color: var(--c-text-3);
}

/* ===== Reading Progress ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--c-primary);
    z-index: 101;
    transition: width .1s linear;
}

/* ===== Scroll Top ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-text-3);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all .2s;
    z-index: 99;
}
.scroll-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn:hover { background: var(--c-border); color: var(--c-text); }

/* ===== Single/Archive Overrides ===== */
body.single .site-main,
body.archive .site-main,
body.search .site-main { max-width: none; padding: 0; }
body.archive .post-feed { max-width: var(--w); margin: 0 auto; padding: 4px 20px; }

/* ===== Home Page Wide Layout ===== */
body.home .site-main { max-width: none; padding: 0; }
body.home .post-feed { max-width: var(--w-wide); margin: 0 auto; padding: 4px 20px; }

/* ===== Accessibility: Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}