:root {
  --color-surface: #fcfcfc;
  --color-surface-alt: #f3f3f3;
  --color-surface-deep: #e7e6e7;
  --color-ink: #514851;
  --color-ink-soft: #766b75;
  --color-ink-muted: #857a84;
  --color-line: #dddcdd;
  --color-primary: #837182;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #ebe9eb;
  --color-accent: #cf20c4;
  --color-accent-ink: #ffffff;
  --color-highlight: #f4d4f2;
  --color-focus: #c913bd;
  --color-contrast-surface: #181518;
  --color-contrast-ink: #e7e4e7;
  --color-contrast-line: #464346;
  --color-contrast-accent: #dd27d1;
  --overlay-scrim: linear-gradient(180deg, rgba(24, 21, 24, 0.35) 0%, rgba(24, 21, 24, 0.72) 55%, rgba(24, 21, 24, 0.92) 100%);
  --font-heading: STZhongsong, "Source Han Serif SC", "Songti SC", SimSun, serif;
  --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 10.7px;
  --text-sm: 15.1px;
  --text-base: 18px;
  --text-lg: 25.5px;
  --text-xl: 36.0px;
  --text-2xl: 50.9px;
  --text-3xl: 72.0px;
  --text-4xl: 101.7px;
  --text-display: clamp(39px, 8.0vw, 103px);
  --text-figure: clamp(33px, 5.8vw, 74px);
  --weight-heading: 518;
  --weight-body: 400;
  --leading-body: 1.8;
  --leading-heading: 1.29;
  --tracking-heading: -0.001em;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --border-thin: 1px;
  --border-thick: 1px;
  --shadow-1: none;
  --shadow-2: none;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 960px;
  --measure: 67ch;
  --gutter: 24px;
  --section-y: 115px;
  --section-y-lg: 161px;
}

/* ============ 1. Reset ============ */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--color-surface);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

hr {
  height: var(--border-thin);
  border: 0;
  background: var(--color-line);
  margin: var(--space-6) 0;
}

/* ============ 2. Chinese typography ============ */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-base); }

p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
}

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

strong, b { font-weight: 600; }

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
  text-transform: uppercase;
}

.lede {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.display {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-heading);
  margin: 0;
  color: var(--color-ink);
}

.figure {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.16s ease, text-decoration-color 0.16s ease;
}

a:hover {
  color: var(--color-focus);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 3px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

::selection {
  background: var(--color-highlight);
  color: var(--color-ink);
}

/* ============ 3. Layout primitives ============ */
#main-content {
  flex: 1 1 auto;
  padding-top: 104px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.section {
  padding-block: var(--section-y);
}

.section--lg {
  padding-block: var(--section-y-lg);
}

.section--tight {
  padding-block: var(--space-8);
}

.section--alt {
  background: var(--color-surface-alt);
}

.section--deep {
  background: var(--color-surface-deep);
}

.band {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.band h1,
.band h2,
.band h3,
.band h4,
.band .figure,
.band .display {
  color: var(--color-contrast-ink);
}

.band p,
.band .lede,
.band .entry__body {
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

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

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

.band .emph {
  border-left-color: var(--color-contrast-accent);
}

.band .scale {
  border-bottom-color: var(--color-contrast-line);
  background-image: repeating-linear-gradient(to right, var(--color-contrast-line) 0 1px, transparent 1px 24px);
}

.band .tag {
  background: transparent;
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

/* ============ 4. Section head, scales, emphasis ============ */
.sec-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  max-width: var(--measure);
}

.sec-head__index {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
  margin: 0;
}

.sec-head__index::after {
  content: "";
  flex: 1 1 auto;
  height: var(--border-thin);
  background: var(--color-line);
}

.sec-head__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  margin: 0;
}

.sec-head__note {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.band .sec-head__index {
  color: color-mix(in srgb, var(--color-contrast-ink) 60%, transparent);
}

.band .sec-head__index::after {
  background: var(--color-contrast-line);
}

.emph {
  border-left: 2px solid var(--color-primary);
  padding-left: var(--space-3);
}

.scale {
  display: block;
  height: 9px;
  border-bottom: var(--border-thin) solid var(--color-line);
  background-image: repeating-linear-gradient(to right, var(--color-line) 0 1px, transparent 1px 24px);
  background-repeat: repeat-x;
  background-position: 0 100%;
  margin: var(--space-4) 0;
}

/* ============ 5. Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 10px var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-ink);
  background: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  text-decoration: none;
}

.btn--line {
  border-color: var(--color-ink-muted);
}

.btn--solid {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.btn--solid:hover {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.band .btn {
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.band .btn:hover {
  color: var(--color-contrast-accent);
  border-color: var(--color-contrast-accent);
}

/* ============ 6. Breadcrumb ============ */
.breadcrumb {
  margin-bottom: var(--space-6);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.breadcrumb__list li + li::before {
  content: "／";
  padding-right: var(--space-1);
  color: var(--color-ink-muted);
}

.breadcrumb__link {
  color: var(--color-ink-soft);
}

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

/* ============ 7. Anchor index (page level) ============ */
.toc {
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-3);
}

.toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc__link {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  padding-bottom: 2px;
}

.toc__link[aria-current="true"] {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}

/* ============ 8. Entries, tags, marks ============ */
.entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.entry {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.entry:last-child {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.entry__idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.entry__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  margin: 0;
}

.entry__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin: 0;
}

.entry__body {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.tag {
  display: inline-block;
  padding: 2px var(--space-1);
  background: var(--color-surface-alt);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
}

.mark {
  background: var(--color-highlight);
  color: var(--color-ink);
  padding: 0 2px;
}

/* ============ 9. Media frames ============ */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--color-surface-deep);
  border-radius: var(--radius-sm);
}

.media--3x2 { aspect-ratio: 3 / 2; }
.media--2x1 { aspect-ratio: 2 / 1; }
.media--1x1 { aspect-ratio: 1 / 1; }

.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.35) contrast(1.04);
}

.media__plate {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, var(--color-line) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(to bottom, var(--color-line) 0 1px, transparent 1px 32px);
  opacity: 0.7;
}

.media__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.media__caption {
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  margin: 0;
  color: var(--color-contrast-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

/* ============ 10. Header ============ */
.skip-link {
  position: fixed;
  left: var(--gutter);
  top: -120px;
  z-index: 80;
  padding: 10px var(--space-2);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: top 0.16s ease;
}

.skip-link:focus {
  top: var(--space-2);
  color: var(--color-primary-ink);
  text-decoration: none;
}

.progress-line {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 70;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.progress-line[data-active] { opacity: 1; }

.progress-line__bar {
  display: block;
  width: 0;
  height: 100%;
  background: var(--color-accent);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  padding: var(--space-2) var(--gutter);
  pointer-events: none;
}

.site-header__island {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  max-width: var(--container);
  margin-inline: auto;
  padding: 10px var(--space-3);
  background: var(--color-surface);
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  transition: padding 0.16s ease, background-color 0.16s ease;
}

.site-header[data-shrunk] .site-header__island {
  padding: 6px var(--space-3);
  background: var(--color-surface);
  background: color-mix(in srgb, var(--color-surface) 96%, transparent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex: none;
  color: var(--color-ink);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-ink);
  text-decoration: none;
}

.brand__mark {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.site-header[data-shrunk] .brand__sub { display: none; }

.site-nav { margin-left: auto; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: navidx;
}

.site-nav__item { counter-increment: navidx; }

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 4px 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.site-nav__link[aria-current="page"] {
  color: var(--color-ink);
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-accent);
}

.site-header__tail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: none;
}

.site-header__current {
  display: none;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.site-header__current::before {
  content: "";
  width: 12px;
  height: 2px;
  background: var(--color-accent);
}

.site-header[data-shrunk] .site-header__current { display: inline-flex; }
.site-header[data-shrunk] .site-header__cta { display: none; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-1);
  padding: 8px 10px;
  border: var(--border-thin) solid var(--color-line);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.nav-toggle:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: var(--border-thin);
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: var(--border-thin);
  background: currentColor;
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

/* ============ 11. Footer ============ */
.site-footer {
  margin-top: var(--section-y);
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
}

.site-footer__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-8) var(--gutter) var(--space-4);
}

.site-footer__top {
  display: grid;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  max-width: var(--measure);
}

.site-footer__brand {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.site-footer__brand-sub {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.site-footer__intro {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-6) var(--gutter);
  padding-bottom: var(--space-6);
}

.foot-col { grid-column: span 3; }
.foot-col--wide { grid-column: span 4; }
.foot-col--contact { grid-column: span 3; }

.foot-col__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-body);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.foot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.foot-link {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

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

.foot-line {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: 34ch;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  align-items: baseline;
  justify-content: space-between;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.foot-meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

/* ============ 12. Motion & reveal ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

[data-to-top] {
  position: fixed;
  right: var(--gutter);
  bottom: var(--space-4);
  z-index: 55;
  padding: 10px var(--space-2);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-soft);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

[data-to-top][data-visible] {
  opacity: 1;
  visibility: visible;
}

[data-to-top]:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ============ 13. Responsive ============ */
@media (max-width: 1024px) {
  .foot-col--wide { grid-column: span 6; }
  .foot-col { grid-column: span 3; }
  .foot-col--contact { grid-column: span 6; }
}

@media (max-width: 960px) {
  #main-content { padding-top: 84px; }

  .site-header { padding: var(--space-2) var(--space-2); }

  .site-header__cta { display: none; }
  .site-header__current { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + var(--space-2));
    display: none;
    margin-left: 0;
    padding: var(--space-1) var(--space-3) var(--space-2);
    background: var(--color-surface);
    border: var(--border-thin) solid var(--color-line);
    border-radius: var(--radius-sm);
  }

  .site-nav[data-open] { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-size: var(--text-base);
    border-bottom: var(--border-thin) solid var(--color-line);
  }

  .site-nav__link::after {
    content: counter(navidx, decimal-leading-zero);
    position: static;
    inset: auto;
    width: auto;
    height: auto;
    background: none;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.12em;
    color: var(--color-ink-muted);
  }

  .site-nav__link[aria-current="page"] {
    color: var(--color-accent);
  }

  .site-nav__link[aria-current="page"]::after {
    color: var(--color-accent);
  }

  body[data-nav-open] { overflow: hidden; }
}

@media (max-width: 720px) {
  :root { --section-y: 72px; --section-y-lg: 96px; --gutter: 20px; }

  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  h1 { font-size: var(--text-xl); }
  h2 { font-size: var(--text-lg); }
  h3 { font-size: var(--text-base); }

  .sec-head__title { font-size: var(--text-lg); }

  .brand__sub { display: none; }

  .site-footer__grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .foot-col,
  .foot-col--wide,
  .foot-col--contact { grid-column: span 6; }

  .site-footer__bottom { flex-direction: column; }
}

/* ============ 14. Accessibility states ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media print {
  .site-header,
  .progress-line,
  [data-to-top],
  .skip-link { display: none; }

  #main-content { padding-top: 0; }
  body { display: block; }
}