/* ==========================================================
   茶韵台北 · NANA茶艺合集专区
   共享 Site CSS  /assets/site.css
   设计语言：技术蓝图 × 茶室色彩
   ========================================================== */

/* ---------- 1. Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.75;
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 12% 18%, rgba(201, 123, 99, 0.09) 0, transparent 280px),
    radial-gradient(circle at 85% 65%, rgba(123, 160, 91, 0.09) 0, transparent 320px),
    radial-gradient(circle at 60% 92%, rgba(242, 216, 167, 0.18) 0, transparent 240px),
    var(--color-bg-primary);
}

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

a {
  color: var(--color-dark);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease),
    border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

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

ul,
ol {
  list-style: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ---------- 2. Design Tokens ---------- */
:root {
  --color-bg-primary: #F5E6D3;
  --color-bg-secondary: #D4E8D0;
  --color-panel: #FDF8F2;
  --color-card-primary: #C97B63;
  --color-card-secondary: #7BA05B;
  --color-card-accent: #F2D8A7;
  --color-dark: #5C3A21;
  --color-dark-deep: #3A1E0B;
  --color-accent: #FF8C42;
  --color-new: #3CB371;
  --color-new-bg: #DFF5E5;
  --color-update: #FFBF00;
  --color-update-bg: #FFF6CC;
  --color-archived: #8A7C6B;
  --color-archived-bg: #E8E0D8;
  --color-text: #2E2A26;
  --color-muted: #6B8E5A;
  --color-border: #B08D6A;

  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'Heiti SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'SFMono-Regular', 'Cascadia Code', Consolas, 'Liberation Mono', monospace;

  --size-h1: 2.2rem;
  --size-h2: 1.6rem;
  --size-h3: 1.2rem;
  --size-body: 0.95rem;
  --size-caption: 0.8rem;

  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(44, 26, 12, 0.08);
  --shadow-md: 0 8px 24px rgba(44, 26, 12, 0.14);
  --shadow-lg: 0 16px 40px rgba(44, 26, 12, 0.18);

  --ease: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 3. Typography ---------- */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  color: var(--color-dark);
  line-height: 1.3;
}

h1 {
  font-size: var(--size-h1);
  font-weight: 900;
  letter-spacing: 0.02em;
}

h2 {
  font-size: var(--size-h2);
  font-weight: 700;
  letter-spacing: 0.03em;
}

h3 {
  font-size: var(--size-h3);
  font-weight: 600;
  letter-spacing: 0.04em;
}

p {
  margin-bottom: 1rem;
}

.text-muted { color: var(--color-muted); }
.text-sm { font-size: var(--size-caption); }
.text-accent { color: var(--color-accent); }
.font-display { font-family: var(--font-display); }

/* ---------- 4. Utilities ---------- */
.container {
  width: min(1200px, 92vw);
  margin-inline: auto;
}

.container--narrow {
  width: min(880px, 92vw);
}

.visual-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

#main-content {
  flex: 1 0 auto;
  outline: none;
}

/* ---------- 5. Skip Link & Progress ---------- */
.skip-link {
  position: fixed;
  top: -80px;
  left: 1rem;
  z-index: 210;
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.2rem;
  background: var(--color-accent);
  color: var(--color-dark-deep);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transition: top 0.25s var(--ease);
}

.skip-link:focus {
  top: 1rem;
  color: var(--color-dark-deep);
  outline: 3px solid #fff;
  outline-offset: 2px;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  z-index: 220;
  pointer-events: none;
  background: rgba(92, 58, 33, 0.10);
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 0 2px 2px 0;
  background: linear-gradient(90deg, var(--color-new), var(--color-update), var(--color-accent));
  transition: width 0.08s linear;
}

/* ---------- 6. Header ---------- */
.site-header {
  position: relative;
  background:
    linear-gradient(rgba(176, 141, 106, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 141, 106, 0.14) 1px, transparent 1px),
    var(--color-dark);
  background-size: 28px 28px;
  border-bottom: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.header-coordbar {
  background: rgba(28, 15, 6, 0.42);
  border-bottom: 1px solid rgba(176, 141, 106, 0.28);
}

.header-coordbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.2rem 1.5rem;
  padding: 0.4rem 0;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(245, 230, 211, 0.78);
  text-transform: uppercase;
}

.coord-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.coord-label::before {
  content: '＋';
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1;
}

.coord-batch {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.coord-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-new);
  box-shadow: 0 0 0 3px rgba(60, 179, 113, 0.22);
}

.header-brandbar {
  border-bottom: 1px solid rgba(176, 141, 106, 0.28);
}

.header-brandbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0.9rem 0;
}

.brand-block {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: #fff;
  border-radius: var(--radius-md);
}

.brand-block:hover {
  color: #fff;
  opacity: 0.92;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--color-accent), #FFB347);
  color: var(--color-dark-deep);
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: inset 0 -2px 0 rgba(92, 58, 33, 0.2), var(--shadow-sm);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: #fff;
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(245, 230, 211, 0.72);
  border-top: 1px solid rgba(176, 141, 106, 0.4);
  padding-top: 0.2rem;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(245, 230, 211, 0.35);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--color-accent);
  background: rgba(255, 140, 66, 0.12);
}

.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: relative;
  z-index: 40;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  padding: 0.55rem 0 0.7rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  padding: 0.42rem 1rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  color: rgba(245, 230, 211, 0.88);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.nav-link::before {
  content: attr(data-index) ' /';
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.5;
  color: var(--color-update);
}

.nav-link:hover {
  background: rgba(255, 140, 66, 0.16);
  border-color: rgba(255, 140, 66, 0.42);
  color: #fff;
}

.nav-link[aria-current="page"] {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-deep);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 140, 66, 0.30);
}

.nav-link[aria-current="page"]::before {
  opacity: 1;
  color: var(--color-dark-deep);
  font-weight: 700;
}

.back-top {
  position: fixed;
  right: 1.4rem;
  bottom: 1.4rem;
  z-index: 160;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-dark);
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 1.05rem;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  box-shadow: var(--shadow-md);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
    visibility 0.25s, background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.back-top:hover {
  background: var(--color-accent);
  color: var(--color-dark-deep);
}

.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top-icon {
  line-height: 1;
}

/* ---------- 7. Footer ---------- */
.site-footer {
  margin-top: auto;
  background:
    linear-gradient(rgba(176, 141, 106, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 141, 106, 0.08) 1px, transparent 1px),
    var(--color-bg-secondary);
  background-size: 36px 36px;
  border-top: 4px solid var(--color-accent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 2.2rem;
  padding: 2.8rem 0 2.2rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--color-dark);
  color: var(--color-card-accent);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.18);
  flex-shrink: 0;
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--color-dark);
  line-height: 1.2;
}

.footer-brand-subtitle {
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--color-muted);
  border-top: 1px solid rgba(92, 58, 33, 0.18);
  padding-top: 0.15rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 0.42rem;
  min-width: 0;
}

.footer-heading {
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-dark);
  padding-bottom: 0.3rem;
  margin-bottom: 0.18rem;
  border-bottom: 1px dashed var(--color-border);
}

.footer-link {
  display: inline-block;
  width: fit-content;
  color: var(--color-text);
  font-size: 0.88rem;
  line-height: 1.5;
  padding: 0.12rem 0.2rem;
  border-radius: var(--radius-xs);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.footer-link:hover {
  color: var(--color-accent);
  background: rgba(255, 140, 66, 0.09);
  padding-left: 0.45rem;
}

.footer-bottom {
  background: var(--color-dark);
  border-top: 3px solid var(--color-accent);
  color: rgba(245, 230, 211, 0.8);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  padding: 1.1rem 0;
}

.footer-contact {
  margin: 0;
  font-size: var(--size-caption);
  letter-spacing: 0.03em;
  color: rgba(245, 230, 211, 0.85);
}

.footer-icp {
  margin: 0;
  font-size: var(--size-caption);
  letter-spacing: 0.05em;
  color: rgba(245, 230, 211, 0.62);
}

/* ---------- 8. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.6rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-deep);
}

.btn--primary:hover {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-accent);
}

.btn--outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-dark);
}

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

.btn--dark {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: #fff;
}

.btn--dark:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-deep);
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ---------- 9. Breadcrumb & Section ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 0;
  font-size: var(--size-caption);
  color: var(--color-muted);
}

.breadcrumb li + li::before {
  content: '／';
  color: var(--color-border);
  margin-right: 0.15rem;
}

.breadcrumb a {
  color: var(--color-muted);
  border-radius: var(--radius-xs);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--color-dark);
  font-weight: 600;
}

.section {
  padding: 3.2rem 0;
}

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

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

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.4rem 1.2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--color-dark);
  position: relative;
}

.section-head::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 72px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.section-title {
  font-size: var(--size-h2);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0;
}

.section-title::before {
  content: attr(data-index);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-card-accent);
  background: var(--color-dark);
  border-radius: var(--radius-xs);
  padding: 0.16rem 0.5rem;
  letter-spacing: 0.08em;
  transform: translateY(-1px);
}

.section-desc {
  color: var(--color-muted);
  font-size: 0.9rem;
  max-width: 36em;
}

.panel {
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.5rem;
  box-shadow: var(--shadow-sm);
}

/* ---------- 10. Card Grid ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.1rem;
  margin: 1.2rem 0;
}

.grid-cards--tight {
  gap: 0.8rem;
}

@media (min-width: 960px) {
  .grid-cards--3 { grid-template-columns: repeat(3, 1fr); }
  .grid-cards--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease),
    border-color 0.22s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--color-dark);
  line-height: 1.35;
}

.card__desc {
  font-size: 0.88rem;
  color: var(--color-muted);
  flex: 1;
  margin: 0;
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--size-caption);
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.card--terracotta {
  background: var(--color-card-primary);
  border-color: var(--color-card-primary);
}

.card--terracotta .card__title,
.card--terracotta .card__desc,
.card--terracotta .card__meta {
  color: #fff;
}

.card--green {
  background: var(--color-card-secondary);
  border-color: var(--color-card-secondary);
}

.card--green .card__title,
.card--green .card__desc,
.card--green .card__meta {
  color: #fff;
}

.card--apricot {
  background: var(--color-card-accent);
  border-color: #E4C590;
}

.card--apricot .card__title {
  color: var(--color-dark);
}

.card--apricot .card__desc {
  color: #6B4C33;
}

a.card {
  text-decoration: none;
}

a.card:hover {
  color: inherit;
}

/* ---------- 11. Magnet Tiles ---------- */
.magnet-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 1.2rem 0;
}

@media (min-width: 600px) {
  .magnet-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .magnet-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .magnet-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .magnet-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.magnet-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 168px;
  padding: 1.5rem 1.4rem 1.2rem;
  border-radius: var(--radius-lg);
  color: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.magnet-tile::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}

.magnet-tile::after {
  content: attr(data-code);
  position: absolute;
  top: 0.7rem;
  right: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  opacity: 0.65;
}

.magnet-tile:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

a.magnet-tile {
  text-decoration: none;
  color: inherit;
}

a.magnet-tile:hover {
  color: inherit;
}

.magnet-tile--terracotta {
  background: linear-gradient(145deg, var(--color-card-primary), #B46A52);
}

.magnet-tile--green {
  background: linear-gradient(145deg, var(--color-card-secondary), #68904B);
}

.magnet-tile--apricot {
  background: linear-gradient(145deg, var(--color-card-accent), #E4C48A);
  color: var(--color-dark);
}

.magnet-tile--dark {
  background: linear-gradient(145deg, var(--color-dark), #3C2413);
}

.magnet-tile__label {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.magnet-tile__count {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--size-caption);
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.magnet-tile__count::before {
  content: '收录';
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
  border-radius: 3px;
  padding: 0.04rem 0.24rem;
  opacity: 0.75;
}

/* ---------- 12. Entry List ---------- */
.entry-list {
  border-top: 2px solid var(--color-dark);
  margin: 1.2rem 0;
}

.entry-row {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.9rem;
  padding: 0.8rem 0.6rem;
  border-bottom: 1px dashed var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.entry-row:hover {
  background: var(--color-panel);
  padding-left: 0.95rem;
}

a.entry-row:hover {
  color: var(--color-text);
}

.entry-index {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-accent);
  background: rgba(255, 140, 66, 0.10);
  border-radius: var(--radius-xs);
  padding: 0.12rem 0.3rem;
  text-align: center;
}

.entry-name {
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.5;
}

.entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.35rem;
}

@media (max-width: 560px) {
  .entry-row {
    grid-template-columns: 2.2rem minmax(0, 1fr);
  }
  .entry-meta {
    grid-column: 2;
    justify-content: flex-start;
  }
}

/* ---------- 13. Tag Blocks ---------- */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0;
}

.tag-block {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.32rem 0.95rem;
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: var(--size-caption);
  font-weight: 500;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease);
}

.tag-block:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-deep);
  transform: translateY(-2px);
}

.tag-block--hot {
  background: var(--color-update-bg);
  border-color: var(--color-update);
  color: #7A5A00;
}

.tag-block--hot:hover {
  background: var(--color-update);
  border-color: var(--color-update);
  color: var(--color-dark-deep);
}

.tag-block--new {
  background: var(--color-new-bg);
  border-color: var(--color-new);
  color: var(--color-text);
}

.tag-block--new:hover {
  background: var(--color-new);
  border-color: var(--color-new);
  color: #fff;
}

.tag-block__count {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(92, 58, 33, 0.10);
  border-radius: var(--radius-pill);
  padding: 0.04rem 0.42rem;
}

.tag-block--hot .tag-block__count { background: rgba(122, 90, 0, 0.12); }
.tag-block--new .tag-block__count { background: rgba(27, 122, 61, 0.12); }

/* ---------- 14. Status Badges ---------- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.18rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  border-width: 1px;
  border-style: solid;
}

.status-badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.status-badge--new {
  background: var(--color-new-bg);
  border-color: rgba(60, 179, 113, 0.55);
  color: #1B7A3D;
}

.status-badge--update {
  background: var(--color-update-bg);
  border-color: rgba(255, 191, 0, 0.60);
  color: #8A6500;
}

.status-badge--archived {
  background: var(--color-archived-bg);
  border-color: rgba(138, 124, 107, 0.55);
  color: #5A4E42;
}

.status-badge--hot {
  background: #FFE9DA;
  border-color: rgba(255, 140, 66, 0.55);
  color: #D05418;
}

/* ---------- 15. Index Number ---------- */
.index-number {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-card-accent);
  background: var(--color-dark);
  border-radius: var(--radius-xs);
  padding: 0.16rem 0.55rem;
  line-height: 1.4;
}

/* ---------- 16. Metric Bars ---------- */
.metric-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 1.2rem 0;
}

.metric-row {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr) 3.2rem;
  align-items: center;
  gap: 0.7rem;
}

.metric-rank {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
}

.metric-bar {
  height: 9px;
  border-radius: var(--radius-pill);
  background: rgba(92, 58, 33, 0.14);
  overflow: hidden;
}

.metric-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--radius-pill);
  min-width: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), #FFBE85);
}

.metric-value {
  font-size: var(--size-caption);
  color: var(--color-muted);
  text-align: right;
  font-family: var(--font-mono);
}

/* ---------- 17. Index Strip ---------- */
.index-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 1.1rem 0;
}

.index-strip__item {
  display: grid;
  place-items: center;
  min-width: 2.2rem;
  height: 2.2rem;
  padding: 0 0.4rem;
  border-radius: var(--radius-sm);
  background: var(--color-panel);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease);
}

.index-strip__item:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-dark-deep);
  transform: translateY(-2px);
}

.index-strip__item--current {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: var(--color-card-accent);
}

/* ---------- 18. Horizontal Rail ---------- */
.rail-wrap {
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  padding-bottom: 0.6rem;
  margin: 1.1rem 0;
}

.rail-wrap::-webkit-scrollbar {
  height: 6px;
}

.rail-wrap::-webkit-scrollbar-track {
  background: rgba(176, 141, 106, 0.18);
  border-radius: var(--radius-pill);
}

.rail-wrap::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-pill);
}

.rail-track {
  display: flex;
  gap: 0.9rem;
  width: max-content;
  min-width: 100%;
}

/* ---------- 19. Compare Table ---------- */
.compare-table-wrap {
  overflow-x: auto;
  margin: 1.2rem 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-panel);
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  text-align: left;
}

.compare-table th {
  background: var(--color-dark);
  color: var(--color-card-accent);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.75rem 1rem;
}

.compare-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--color-border);
  border-right: 1px solid rgba(176, 141, 106, 0.30);
  font-size: 0.9rem;
  color: var(--color-text);
}

.compare-table th:last-child,
.compare-table td:last-child {
  border-right: none;
}

.compare-table tbody tr:nth-child(even) td {
  background: var(--color-bg-primary);
}

.compare-table tbody tr:hover td {
  background: var(--color-bg-secondary);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

/* ---------- 20. Image Placeholder ---------- */
.img-placeholder {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-border);
  background:
    linear-gradient(rgba(92, 58, 33, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 58, 33, 0.05) 1px, transparent 1px),
    var(--color-panel);
  background-size: 18px 18px;
  color: var(--color-muted);
  font-size: var(--size-caption);
  letter-spacing: 0.06em;
  text-align: center;
  overflow: hidden;
}

.img-placeholder::before {
  content: attr(data-caption) ' · 配图占位';
  padding: 1.2rem;
}

.img-placeholder--wide { aspect-ratio: 16 / 9; }
.img-placeholder--square { aspect-ratio: 1; }
.img-placeholder--tall { aspect-ratio: 3 / 4; }

.img-placeholder--terracotta {
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(145deg, var(--color-card-primary), #B46A52);
  background-size: 18px 18px, 18px 18px, cover;
  border-style: solid;
  border-color: var(--color-card-primary);
  color: rgba(255, 255, 255, 0.8);
}

.img-placeholder--green {
  background:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(145deg, var(--color-card-secondary), #68904B);
  background-size: 18px 18px, 18px 18px, cover;
  border-style: solid;
  border-color: var(--color-card-secondary);
  color: rgba(255, 255, 255, 0.8);
}

.img-placeholder--apricot {
  background:
    linear-gradient(rgba(92, 58, 33, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 58, 33, 0.06) 1px, transparent 1px),
    linear-gradient(145deg, var(--color-card-accent), #E4C48A);
  background-size: 18px 18px, 18px 18px, cover;
  border-style: solid;
  border-color: #E4C590;
  color: var(--color-dark);
}

/* ---------- 21. Responsive ---------- */
@media (max-width: 960px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1.8rem;
  }
}

@media (max-width: 860px) and (min-width: 701px) {
  .nav-link {
    padding: 0.4rem 0.75rem;
    font-size: 0.84rem;
  }
}

@media (max-width: 700px) {
  .header-coordbar-inner {
    justify-content: center;
    text-align: center;
  }

  .header-brandbar-inner {
    padding: 0.75rem 0;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
    border-radius: 13px;
  }

  .brand-name {
    font-size: 1.25rem;
  }

  .brand-subtitle {
    font-size: 0.66rem;
    letter-spacing: 0.08em;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    background: rgba(28, 15, 6, 0.50);
    border-top: 1px solid rgba(176, 141, 106, 0.16);
  }

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

  .nav-list {
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.5rem 0 0.9rem;
  }

  .nav-link {
    padding: 0.72rem 1rem;
    border-radius: var(--radius-sm);
  }

  .nav-link::before {
    content: attr(data-index) '  ';
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 2.2rem 0 1.6rem;
  }

  .footer-bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
}

@media (max-width: 560px) {
  .section {
    padding: 2.4rem 0;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .brand-subtitle {
    display: none;
  }

  .coord-label {
    font-size: 0.65rem;
  }

  .coord-batch {
    font-size: 0.65rem;
  }
}

/* ---------- 22. Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .card:hover,
  .magnet-tile:hover,
  .tag-block:hover,
  .btn:hover,
  .back-top {
    transform: none !important;
  }
}