:root {
  --ink: #16242d;
  --muted: #64737b;
  --paper: #f4f8f8;
  --surface: #ffffff;
  --surface-soft: #eaf3f4;
  --line: rgba(22, 36, 45, 0.12);
  --accent: #0e7893;
  --accent-strong: #0b526c;
  --accent-soft: #c9e9ee;
  --warm: #f0a36a;
  --success: #4e9d7b;
  --danger: #b95a5a;
  --shadow: 0 18px 50px rgba(18, 47, 58, 0.12);
  --radius: 8px;
  --content: 1180px;
  color-scheme: light;
}

html[data-theme="dark"] {
  --ink: #edf5f5;
  --muted: #a7b9be;
  --paper: #10191d;
  --surface: #17262c;
  --surface-soft: #20353c;
  --line: rgba(237, 245, 245, 0.14);
  --accent: #6fc9d9;
  --accent-strong: #a8e8ee;
  --accent-soft: #274a54;
  --warm: #f1b581;
  --success: #6bc294;
  --danger: #df8787;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  min-width: 320px;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

body::selection { background: var(--accent-soft); }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }

.site-shell { min-height: 100vh; overflow: hidden; }

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100% - 32px, var(--content));
  height: 70px;
  margin: 16px auto 0;
  padding: 0 12px 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: #fff;
  background: rgba(12, 56, 70, 0.5);
  box-shadow: 0 12px 30px rgba(11, 52, 67, 0.16);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.topbar.is-scrolled {
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border-color: var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 164px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  color: #fff;
  background: var(--warm);
  font-weight: 800;
}
.brand strong { display: block; font-size: 0.98rem; letter-spacing: 0.02em; }
.brand small { display: block; opacity: 0.74; font-size: 0.72rem; }

.desktop-nav { display: flex; gap: 24px; font-size: 0.88rem; }
.desktop-nav a { opacity: 0.86; }
.desktop-nav a:hover { opacity: 1; color: inherit; }

.topbar-actions { display: flex; align-items: center; gap: 4px; }
.icon-button {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: inherit;
  background: transparent;
  transition: background 160ms ease, transform 160ms ease;
}
.topbar:not(.is-scrolled) .icon-button { border-color: rgba(255, 255, 255, 0.26); }
.icon-button:hover { background: var(--accent-soft); transform: translateY(-1px); }
.menu-button { display: none; }

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 760px;
  padding: 140px 24px 90px;
  overflow: hidden;
  color: #fff;
  background-color: #196f88;
  background-image: var(--hero-image);
  background-position: center 42%;
  background-size: cover;
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(13, 102, 128, 0.72);
}
.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 120px;
  content: "";
  background: var(--paper);
  clip-path: polygon(0 76%, 17% 64%, 35% 78%, 56% 46%, 77% 69%, 100% 42%, 100% 100%, 0 100%);
  opacity: 0.98;
}

.hero-content { position: relative; z-index: 1; width: min(820px, 100%); text-align: center; }
.hero-kicker, .eyebrow {
  display: block;
  color: var(--warm);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1 { margin: 18px 0 12px; font-size: 4.8rem; line-height: 1.05; letter-spacing: 0; }
.hero-subtitle { display: flex; justify-content: center; align-items: baseline; min-height: 1.9em; max-width: 680px; margin: 0 auto; font-size: 1.15rem; opacity: 0.9; }
.type-cursor { display: inline-block; width: 2px; height: 1.05em; margin-left: 4px; background: currentColor; vertical-align: -0.12em; animation: cursorBlink 900ms steps(1) infinite; }
@keyframes cursorBlink { 0%, 48% { opacity: 1; } 49%, 100% { opacity: 0; } }
.hero-meta { display: flex; justify-content: center; gap: 10px; margin-top: 28px; flex-wrap: wrap; }
.hero-meta a, .hero-meta span { padding: 6px 12px; border: 1px solid rgba(255,255,255,0.36); border-radius: 999px; font-size: 0.78rem; background: rgba(4, 48, 65, 0.22); }
.hero-socials { display: flex; justify-content: center; gap: 10px; margin-top: 24px; }
.hero-socials a { display: inline-grid; place-items: center; min-width: 42px; height: 34px; padding: 0 13px; border: 1px solid rgba(255,255,255,0.38); border-radius: 999px; font-size: 0.78rem; }
.hero-scroll { position: absolute; z-index: 2; bottom: 36px; left: 50%; transform: translateX(-50%); color: #fff; font-size: 1.4rem; animation: bounce 1.9s ease-in-out infinite; }
@keyframes bounce { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 7px); } }

.page-section { width: min(100% - 32px, var(--content)); margin: 0 auto; padding: 72px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.section-heading h2 { margin: 5px 0 0; font-size: 2rem; line-height: 1.2; }
.section-heading p { max-width: 520px; margin: 0; color: var(--muted); font-size: 0.9rem; }
.section-link { color: var(--accent); font-size: 0.86rem; font-weight: 700; }

.home-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.post-grid { display: grid; gap: 18px; }
.post-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  min-height: 180px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(15, 47, 58, 0.06);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.post-cover { height: 180px; background: var(--surface-soft); }
.post-cover img { width: 100%; height: 180px; min-height: 0; object-fit: cover; }
.post-info { padding: 18px 20px 16px; }
.post-info h3 { margin: 6px 0 8px; font-size: 1.2rem; line-height: 1.28; }
.post-info p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.post-meta { display: flex; gap: 9px; flex-wrap: wrap; color: var(--muted); font-size: 0.76rem; }
.post-meta a { color: var(--accent); }
.post-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
.tag-chip { display: inline-flex; padding: 4px 8px; border-radius: 999px; color: var(--accent-strong); background: var(--accent-soft); font-size: 0.74rem; }

.sidebar { display: grid; gap: 16px; position: sticky; top: 102px; }
.side-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.profile-card { text-align: center; }
.profile-card img { width: 104px; height: 104px; margin: 0 auto 16px; border: 5px solid var(--accent-soft); border-radius: 50%; object-fit: cover; }
.profile-card h3 { margin: 0; font-size: 1.2rem; }
.profile-card p { margin: 6px 0 0; color: var(--muted); font-size: 0.84rem; }
.profile-links { display: flex; justify-content: center; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.profile-links a { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.74rem; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 20px; }
.stat-grid div { padding: 9px 4px; border: 1px solid var(--line); border-radius: 6px; }
.stat-grid strong { display: block; font-size: 1.1rem; }
.stat-grid span { color: var(--muted); font-size: 0.7rem; }
.side-card h3 { margin: 0 0 14px; font-size: 0.94rem; }
.side-list { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.side-list a { display: flex; justify-content: space-between; gap: 12px; font-size: 0.82rem; }
.side-list small { color: var(--muted); }
.side-tag-cloud { display: flex; gap: 7px; flex-wrap: wrap; }
.archive-side-list { max-height: 250px; overflow: auto; padding-right: 4px; }

.page-banner { padding: 146px 0 58px; color: #fff; background-color: #146a82; background-image: var(--hero-image); background-position: center 38%; background-size: cover; position: relative; }
.page-banner::before { position: absolute; inset: 0; content: ""; background: rgba(13, 102, 128, 0.76); }
.page-banner-inner { position: relative; width: min(100% - 32px, var(--content)); margin: auto; }
.page-banner h1 { margin: 12px 0 0; font-size: 3rem; line-height: 1.1; }

.content-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(15, 47, 58, 0.06); }
.archive-list { padding: 28px; }
.archive-year { margin: 0 0 14px; color: var(--accent); font-size: 1.5rem; }
.archive-item { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; padding: 12px 0; border-top: 1px solid var(--line); }
.archive-item time { color: var(--muted); font-size: 0.82rem; }
.archive-item a { font-weight: 700; }
.archive-item small { display: block; margin-top: 3px; color: var(--muted); }
.tax-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tax-card { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.tax-card a { display: flex; justify-content: space-between; gap: 12px; font-weight: 700; }
.tax-card span { color: var(--muted); }
.cloud-panel { padding: 30px; }
.cloud { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.cloud a { padding: 7px 11px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-strong); font-size: 0.82rem; }
.about-panel { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 32px; padding: 34px; }
.about-panel h2 { margin: 0; font-size: 2rem; }
.about-panel p { margin: 0 0 14px; color: var(--muted); }
.about-facts { display: grid; gap: 10px; }
.fact { padding: 14px 16px; border-left: 3px solid var(--warm); background: var(--surface-soft); }
.fact span { display: block; color: var(--muted); font-size: 0.72rem; }
.fact strong { display: block; margin-top: 2px; }
.friends-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.friend-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.friend-card h3 { margin: 0 0 4px; }
.friend-card p { margin: 0 0 14px; color: var(--muted); font-size: 0.84rem; }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; align-items: start; }
.article-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.article-cover { height: 300px; background: var(--surface-soft); }
.article-cover img { width: 100%; height: 100%; object-fit: cover; object-position: center 46%; }
.article-content { padding: 32px 38px 42px; }
.article-header h1 { margin: 9px 0 12px; font-size: 2.6rem; line-height: 1.18; }
.article-header p { margin: 0; color: var(--muted); font-size: 0.84rem; }
.article-body { margin-top: 30px; font-size: 1rem; }
.article-body h2, .article-body h3, .article-body h4 { scroll-margin-top: 100px; line-height: 1.28; }
.article-body h2 { margin: 34px 0 12px; font-size: 1.65rem; }
.article-body h3 { margin: 26px 0 10px; font-size: 1.25rem; }
.article-body p { margin: 0 0 18px; }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body blockquote { margin: 20px 0; padding: 13px 16px; border-left: 3px solid var(--warm); background: var(--surface-soft); color: var(--muted); }
.article-body code { padding: 2px 5px; border-radius: 4px; color: var(--accent-strong); background: var(--accent-soft); font-size: 0.9em; }
.code-block { position: relative; margin: 22px 0; overflow: auto; border: 1px solid var(--line); border-radius: 6px; background: #101b21; color: #d8e8ea; }
.code-label { padding: 7px 12px; border-bottom: 1px solid rgba(255,255,255,0.12); color: #9ccbd1; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.code-copy { position: absolute; top: 6px; right: 8px; padding: 3px 8px; border: 1px solid rgba(255,255,255,0.2); border-radius: 4px; color: #d8e8ea; background: transparent; font-size: 0.72rem; }
.code-block pre { margin: 0; padding: 16px; font: 0.86rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; }
.article-body img { width: auto; max-height: 520px; margin: 22px auto; border-radius: 6px; cursor: zoom-in; }
.article-footer { display: flex; justify-content: space-between; gap: 16px; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.78rem; }
.comments-box { margin-top: 28px; padding: 20px; border: 1px dashed var(--line); border-radius: 6px; background: var(--surface-soft); }
.comments-box h3 { margin: 0 0 6px; font-size: 1rem; }
.comments-box p { margin: 0; color: var(--muted); font-size: 0.82rem; }
.article-aside { display: grid; gap: 16px; position: sticky; top: 102px; }
.toc-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.toc-card h3 { margin: 0 0 12px; font-size: 0.94rem; }
.toc-card a { display: block; padding: 5px 0; color: var(--muted); font-size: 0.82rem; }
.toc-card a:hover { color: var(--accent); }

.footer { margin-top: 40px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; width: min(100% - 32px, var(--content)); margin: auto; padding: 24px 0 30px; color: var(--muted); font-size: 0.8rem; }
.footer-inner strong { display: block; color: var(--ink); }
.footer-runtime { margin-top: 5px; color: var(--accent); font-size: 0.74rem; font-variant-numeric: tabular-nums; }
.footer-links { display: flex; gap: 16px; align-items: center; }

.mobile-drawer, .search-layer { position: fixed; inset: 0; z-index: 60; visibility: hidden; opacity: 0; pointer-events: none; transition: opacity 180ms ease, visibility 180ms ease; }
.mobile-drawer.is-open, .search-layer.is-open { visibility: visible; opacity: 1; pointer-events: auto; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(4, 26, 34, 0.62); }
.drawer-panel { position: absolute; inset: 0 0 0 auto; width: min(86vw, 360px); padding: 28px; color: var(--ink); background: var(--surface); box-shadow: -16px 0 50px rgba(0,0,0,0.2); transform: translateX(100%); transition: transform 220ms ease; }
.mobile-drawer.is-open .drawer-panel { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: start; }
.drawer-head strong { display: block; margin-top: 6px; font-size: 1.4rem; }
.drawer-nav { display: grid; gap: 4px; margin-top: 42px; }
.drawer-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 1rem; }
.drawer-note { position: absolute; right: 28px; bottom: 30px; left: 28px; color: var(--muted); font-size: 0.8rem; }

.search-layer { display: grid; place-items: start center; padding-top: 120px; background: rgba(6, 34, 43, 0.72); }
.search-box { width: min(720px, calc(100% - 32px)); padding: 26px; border: 1px solid rgba(255,255,255,0.26); border-radius: var(--radius); color: var(--ink); background: var(--surface); box-shadow: var(--shadow); }
.search-head { display: flex; justify-content: space-between; align-items: start; }
.search-head h2 { margin: 7px 0 18px; font-size: 1.6rem; }
.search-box input { width: 100%; padding: 13px 15px; border: 1px solid var(--line); border-radius: 6px; outline: none; color: var(--ink); background: var(--surface-soft); }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-results { display: grid; gap: 8px; max-height: 420px; margin-top: 16px; overflow: auto; }
.search-result { padding: 12px 0; border-top: 1px solid var(--line); }
.search-result strong { display: block; }
.search-result small { color: var(--muted); }

.back-top { position: fixed; right: 24px; bottom: 24px; z-index: 30; display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: var(--surface); box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(8px); transition: 180ms ease; }
.back-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.toast { position: fixed; right: 24px; bottom: 76px; z-index: 90; max-width: 340px; padding: 10px 14px; border-radius: 6px; color: #fff; background: #182e36; opacity: 0; pointer-events: none; transform: translateY(8px); transition: 180ms ease; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 0 14px; border: 1px solid var(--line); border-radius: 6px; font-size: 0.82rem; font-weight: 700; }
.button-primary { border-color: var(--accent); color: #fff; background: var(--accent); }
.button-ghost { color: var(--ink); background: transparent; }
.button-danger { color: var(--danger); background: transparent; border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: 0.5; transform: none; }

.admin-body { min-height: 100vh; background: var(--paper); }
.admin-shell { width: min(100% - 32px, 1260px); margin: auto; padding: 52px 0 70px; }
.admin-header { display: flex; justify-content: space-between; gap: 24px; align-items: start; margin-bottom: 28px; }
.admin-header h1 { margin: 10px 0 8px; font-size: 2.7rem; line-height: 1.15; }
.admin-header p { max-width: 680px; margin: 0; color: var(--muted); }
.admin-actions, .editor-actions { display: flex; gap: 8px; align-items: center; }
.admin-grid { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 18px; align-items: start; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: 0 8px 24px rgba(15, 47, 58, 0.06); }
.admin-sidebar { position: sticky; top: 18px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.panel-head h2 { margin: 5px 0 0; font-size: 1.35rem; }
.admin-post-list { display: grid; gap: 6px; margin: 22px 0; }
.admin-post-item { display: block; width: 100%; padding: 11px 12px; border: 1px solid transparent; border-radius: 6px; color: var(--ink); background: transparent; text-align: left; }
.admin-post-item:hover, .admin-post-item.is-active { border-color: var(--accent-soft); background: var(--surface-soft); }
.admin-post-item strong { display: block; font-size: 0.82rem; }
.admin-post-item small { display: block; margin-top: 2px; color: var(--muted); font-size: 0.7rem; }
.admin-export-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 16px; border-top: 1px solid var(--line); }
.admin-editor { padding: 24px; }
.editor-form { display: grid; gap: 16px; margin-top: 24px; }
.editor-form label { display: grid; gap: 7px; color: var(--muted); font-size: 0.78rem; font-weight: 700; }
.editor-form input, .editor-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; outline: none; color: var(--ink); background: var(--surface-soft); resize: vertical; }
.editor-form input:focus, .editor-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.editor-footer { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.75rem; }
.admin-help { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 18px; margin-top: 18px; padding: 24px; }
.admin-help h2 { margin: 6px 0 0; font-size: 1.4rem; }
.admin-help ol { margin: 0; padding-left: 22px; }
.admin-help li { margin-bottom: 6px; }
.admin-help p { grid-column: 1 / -1; margin: 0; }
.muted { color: var(--muted); font-size: 0.82rem; }
code { padding: 2px 5px; border-radius: 4px; color: var(--accent-strong); background: var(--accent-soft); }

@media (max-width: 960px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-grid; }
  .home-layout, .article-layout { grid-template-columns: 1fr; }
  .sidebar, .article-aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile-card { grid-column: 1 / -1; }
  .toc-card { grid-column: 1 / -1; }
  .admin-grid { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; }
}

@media (max-width: 680px) {
  .topbar { width: calc(100% - 20px); margin-top: 10px; height: 62px; }
  .brand { min-width: 0; }
  .brand small { display: none; }
  .hero { min-height: 680px; padding: 118px 18px 80px; background-position: 50% 40%; }
  .hero h1 { font-size: 3.2rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero::after { height: 94px; }
  .page-section { width: calc(100% - 22px); padding: 52px 0; }
  .section-heading { display: block; }
  .section-heading h2 { font-size: 1.65rem; }
  .section-heading p { margin-top: 8px; }
  .post-card { grid-template-columns: 1fr; }
  .post-cover { height: 130px; }
  .post-cover img { height: 130px; min-height: 0; }
  .post-info { padding: 20px; }
  .post-info h3 { font-size: 1.24rem; }
  .sidebar, .article-aside, .tax-grid, .friends-grid { grid-template-columns: 1fr; }
  .page-banner { padding: 118px 0 42px; }
  .page-banner h1 { font-size: 2.25rem; }
  .archive-list, .cloud-panel { padding: 20px; }
  .archive-item { grid-template-columns: 84px minmax(0, 1fr); gap: 12px; }
  .about-panel { grid-template-columns: 1fr; padding: 24px; }
  .article-cover { height: 210px; }
  .article-content { padding: 24px 20px 30px; }
  .article-header h1 { font-size: 2rem; }
  .article-footer { display: grid; }
  .footer-inner { display: grid; }
  .admin-shell { width: calc(100% - 22px); padding-top: 30px; }
  .admin-header { display: grid; }
  .admin-header h1 { font-size: 2.1rem; }
  .admin-actions { justify-content: start; }
  .admin-editor { padding: 18px; }
  .form-row, .admin-help { grid-template-columns: 1fr; }
  .admin-help p { grid-column: auto; }
  .editor-footer { align-items: start; flex-direction: column; }
  .search-layer { padding-top: 84px; }
  .search-box { padding: 20px; }
}