:root {
  --bg: #eef3f1;
  --bg-soft: #e4ebe8;
  --ink: #15201c;
  --muted: #5c6b64;
  --card: #f7faf8;
  --line: #c9d5cf;
  --accent: #0f766e;
  --accent-soft: rgba(15, 118, 110, 0.12);
  --accent-ink: #0b5a54;
  --chip: #dce8e3;
  --header: rgba(247, 250, 248, 0.9);
  --shadow: 0 10px 28px rgba(21, 32, 28, 0.07);
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "ZCOOL XiaoWei", "Noto Sans SC", serif;
}

[data-theme="dark"] {
  --bg: #101614;
  --bg-soft: #161d1a;
  --ink: #e8f0ec;
  --muted: #9aada4;
  --card: #1a221f;
  --line: #2f3d37;
  --accent: #2dd4bf;
  --accent-soft: rgba(45, 212, 191, 0.14);
  --accent-ink: #99f6e4;
  --chip: #24302c;
  --header: rgba(16, 22, 20, 0.92);
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(800px 420px at 0% 0%, rgba(15, 118, 110, 0.14), transparent 55%),
    radial-gradient(640px 380px at 100% 8%, rgba(180, 120, 40, 0.08), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230f766e' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.container {
  width: min(1280px, calc(100% - 28px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: var(--header);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(145deg, #0f766e, #115e59);
  color: #fff;
  font-size: 16px;
}

.brand-text {
  font-family: var(--display);
  font-size: 22px;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.nav-modes {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chip) 80%, transparent);
  border: 1px solid var(--line);
}

.nav-mode {
  position: relative;
}

.nav-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 14px;
  cursor: pointer;
  font: inherit;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease;
}

.nav-mode-btn:hover,
.nav-mode.open .nav-mode-btn {
  color: var(--accent-ink);
  background: var(--card);
  box-shadow: 0 1px 4px rgba(21, 32, 28, 0.08);
}

.nav-caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
  transition: transform 0.18s ease;
}

.nav-mode.open .nav-caret {
  transform: rotate(180deg);
}

.nav-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 12px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  z-index: 30;
  animation: rise 0.18s ease;
}

.nav-panel-cats {
  min-width: 260px;
}

.nav-panel-label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-panel-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 8px;
}

.nav-panel-opt,
.nav-panel-link,
.nav-cat-item {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  text-align: left;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.nav-panel-opt:hover,
.nav-panel-link:hover,
.nav-cat-item:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.nav-panel-opt.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-weight: 600;
}

.nav-panel-link {
  width: 100%;
  text-align: center;
  color: var(--accent-ink);
  font-weight: 600;
}

.nav-cat-list {
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
  max-height: 280px;
  overflow: auto;
}

.nav-cat-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.nav-cat-item span {
  color: var(--muted);
  font-size: 12px;
}

.nav-cat-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-ink);
}

.nav-btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font: inherit;
}

.nav a:hover,
.nav-btn:hover {
  color: var(--accent);
}

.hero {
  padding: 28px 0 8px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.4fr;
  gap: 16px;
  align-items: end;
}

.hero-brand {
  margin: 0 0 4px;
  font-family: var(--display);
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.hero h1 {
  margin: 0;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 500;
  color: var(--muted);
}

.hero-desc {
  margin: 8px 0 0;
  max-width: 520px;
  color: var(--muted);
  font-size: 14px;
}

.search-bar {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-bar input {
  width: min(440px, 100%);
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 14px;
  background: var(--card);
  color: var(--ink);
  font: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-count {
  font-size: 13px;
  color: var(--muted);
}

.hero-aside {
  display: grid;
  gap: 12px;
}

.hero-stat {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
}

.hero-stat strong {
  display: block;
  font-size: 22px;
  line-height: 1.1;
  color: var(--accent-ink);
  font-family: var(--display);
}

.hero-stat span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 8px 0 28px;
}

.section-alt {
  padding-bottom: 40px;
}

.section-head {
  margin-bottom: 10px;
}

.section-head h2 {
  margin: 0;
  font-size: 20px;
  font-family: var(--display);
  letter-spacing: 0.04em;
}

.section-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
  align-items: center;
}

.filter-chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent-soft);
}

.filter-row-types {
  margin-top: -4px;
  margin-bottom: 12px;
  padding-top: 4px;
  border-top: 1px dashed color-mix(in srgb, var(--line) 80%, transparent);
}

.filter-label {
  align-self: center;
  font-size: 12px;
  color: var(--muted);
  margin-right: 4px;
  flex-shrink: 0;
}

.filter-chip-type {
  font-size: 11px;
  padding: 3px 9px;
}

.site-types {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 4px;
}

.site-type {
  font-size: 10px;
  padding: 0 5px;
  border-radius: 3px;
  border: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.6;
}

.type-quick {
  margin-top: 18px;
}

.type-quick-title {
  margin: 0 0 10px;
  font-size: 16px;
  font-family: var(--display);
}

.type-quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.type-quick-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: var(--ink);
  transition: border-color 0.12s ease, background 0.12s ease;
}

.type-quick-item:hover,
.type-quick-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.type-quick-item strong {
  font-size: 13px;
}

.type-quick-item span {
  font-size: 11px;
  color: var(--muted);
}

.filter-chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 10px;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--accent);
  color: var(--accent-ink);
  background: var(--accent-soft);
}

/* —— 多列紧凑卡片（约 4～5 列） —— */
.site-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.site-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: 72px;
  padding: 10px 10px 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.site-card:hover,
.site-card:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.site-card-main {
  min-width: 0;
  flex: 1;
}

.site-card-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  margin-bottom: 2px;
  min-width: 0;
}

.site-name {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.site-badge {
  display: inline-flex;
  align-items: center;
  padding: 0 5px;
  border-radius: 3px;
  background: var(--chip);
  color: var(--accent-ink);
  font-size: 10px;
  font-weight: 500;
}

.site-host {
  display: none;
}

.site-desc {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.site-meta {
  display: none;
}

.site-tag {
  display: none;
}

.site-go {
  margin-top: auto;
  align-self: flex-end;
  font-size: 11px;
  color: var(--accent-ink);
  white-space: nowrap;
  font-weight: 600;
  opacity: 0.65;
}

.site-card:hover .site-go {
  opacity: 1;
}

.empty-tip {
  margin: 28px 0 0;
  color: var(--muted);
  text-align: center;
}

.category-cards,
.cat-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.cat-card,
.cat-rail-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 140px;
  padding: 10px 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.cat-rail-item:hover,
.cat-card:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.cat-rail-item.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 35%, transparent);
}

.cat-rail-item h3,
.cat-card h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
}

.cat-rail-item p,
.cat-card p {
  display: none;
}

.cat-rail-item .count,
.cat-card .count {
  font-size: 11px;
  color: var(--accent-ink);
}

.site-list.view-list {
  grid-template-columns: 1fr;
  gap: 6px;
}

.site-list.view-list .site-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 0;
  padding: 10px 12px;
  gap: 12px;
}

.site-list.view-list .site-card-main {
  display: grid;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.site-list.view-list .site-card-top {
  margin: 0;
}

.site-list.view-list .site-desc {
  -webkit-line-clamp: 1;
  margin: 0;
}

.site-list.view-list .site-types {
  justify-self: end;
}

.site-list.view-list .site-go {
  margin: 0;
  align-self: center;
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer p {
  margin: 0;
}

.footer-meta {
  margin-top: 8px !important;
  opacity: 0.8;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .site-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-aside {
    grid-template-columns: 1fr 1fr;
  }

  .site-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .nav-modes {
    gap: 2px;
  }

  .nav-mode-btn {
    padding: 6px 10px;
    font-size: 13px;
  }

  .nav-panel {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    min-width: min(280px, calc(100vw - 32px));
  }

  .hero {
    padding-top: 20px;
  }

  .site-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-list.view-list .site-card-main {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-card {
    min-height: 68px;
    padding: 8px;
  }

  .cat-rail-item {
    min-width: 0;
    flex: 1 1 calc(50% - 8px);
    border-radius: 12px;
  }
}

@media (max-width: 400px) {
  .site-list {
    grid-template-columns: 1fr;
  }
}