/* ============================================================
   主题：拾光 —— 视觉风格参考 xmdblog.com（安知鱼）
   配色：主色 #425aef / 浅色底 #f7f9fe / 深色底 #18171d
   ============================================================ */

:root {
  /* —— 中国传统色（取自你给的配色卡） —— */
  --main: #216e99; /* 靛青 */
  --main-deep: #1b5374; /* 藏青 */
  --main-rgb: 33, 110, 153;
  --main-op: rgba(33, 110, 153, 0.12);
  --main-op-deep: rgba(33, 110, 153, 0.24);
  --accent: #c6452b; /* 朱砂 */
  --accent-deep: #8f2a1a;
  --accent-soft: #dda07e; /* 鸢色 */
  --plum: #bc718d; /* 苏梅（呼应 logo 的品红） */
  --matcha: #8fb133; /* logo 绿 */
  --orange: #d05a1e; /* 黄丹 */
  --green: #7f9d5e; /* 豆绿 */
  --yellow: #d9a441; /* 缃色 */
  --bg: #eef2f7; /* 月白 */
  --card-bg: #fff;
  --second-bg: #f4f3ef; /* 银白 */
  --font: #33302e; /* 墨色 */
  --font-muted: #7f7c78;
  --font-light: #4a4643;
  --border: rgba(33, 110, 153, 0.14);
  --card-shadow: 0 4px 14px 2px rgba(45, 42, 38, 0.06);
  --card-shadow-hover: 0 10px 24px 2px rgba(45, 42, 38, 0.12);
  --radius: 12px;
  --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Microsoft YaHei', sans-serif;
  --mono-font: 'IBM Plex Mono', Consolas, Menlo, 'Noto Sans SC', monospace;
  --nav-height: 58px;
}

html[data-theme='dark'] {
  --main: #2e7ea6;
  --main-deep: #21658a;
  --main-op: rgba(94, 172, 208, 0.16);
  --main-op-deep: rgba(94, 172, 208, 0.28);
  --bg: #16161a; /* 玄色 */
  --card-bg: #1e1e24; /* 鸦青 */
  --second-bg: #26262e;
  --font: #f2efe9; /* 月白 */
  --font-muted: #9a9aa2;
  --font-light: #d9d5cd;
  --border: rgba(255, 255, 255, 0.1);
  --card-shadow: 0 4px 14px 2px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 10px 26px 2px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  color: var(--font);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.hide-aside #sidebar {
  display: none;
}

body.hide-aside #content-inner {
  grid-template-columns: minmax(0, 1fr);
}

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

img {
  max-width: 100%;
  border: 0;
}

button,
input,
select {
  font-family: inherit;
}

.icon {
  display: inline-block;
  vertical-align: -0.18em;
}

#web-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--bg);
}

#web-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(33, 110, 153, 0.1), rgba(33, 110, 153, 0) 42%);
}

html[data-theme='dark'] #web-bg::before {
  background: linear-gradient(180deg, rgba(46, 126, 166, 0.18), rgba(46, 126, 166, 0) 42%);
}

/* ===================== 顶部导航 ===================== */
#page-header {
  position: relative;
  padding-bottom: 24px;
}

/* —— 悬浮胶囊导航 —— */
#nav {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 12px 20px 0;
  background: transparent;
}

.nav-inner {
  position: relative;
  max-width: 1400px;
  height: var(--nav-height);
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 6px 20px rgba(45, 42, 38, 0.07);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  transition: height 0.3s ease, border-radius 0.3s ease, box-shadow 0.3s ease,
    background-color 0.3s ease;
}

html[data-theme='dark'] .nav-inner {
  background: rgba(30, 30, 36, 0.82);
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

#nav.scrolled .nav-inner {
  height: 52px;
  border-radius: 16px;
  box-shadow: 0 10px 26px rgba(45, 42, 38, 0.13);
}

#site-name {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 17px;
  white-space: nowrap;
  transition: color 0.25s;
}

#site-name:hover {
  color: var(--main);
}

.site-logo {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
  transition: transform 0.7s cubic-bezier(0.2, 0.85, 0.3, 1), filter 0.3s ease;
}

#site-name:hover .site-logo {
  filter: drop-shadow(0 4px 8px var(--main-op-deep));
}

#site-name:hover .site-logo.can-spin {
  transform: rotate(360deg) scale(1.1);
}

.menus {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.menus-item {
  position: relative;
}

.menus-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s;
}

.menus-item:hover .menus-link {
  background: var(--main-op);
  color: var(--main);
}

.menus-arrow {
  display: inline-flex;
  transition: transform 0.25s;
}

.menus-arrow .icon {
  width: 14px;
  height: 14px;
}

.menus-item:hover .menus-arrow {
  transform: rotate(180deg);
}

.menus-child {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 8px);
  min-width: 160px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s;
}

.menus-item:hover .menus-child,
.menus-item:focus-within .menus-child {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 4px);
}

.menus-child-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  transition: background-color 0.25s, color 0.25s;
}

.menus-child-link:hover {
  background: var(--main-op);
  color: var(--main);
}

.child-count {
  margin-left: auto;
  padding-left: 10px;
  font-size: 11.5px;
  color: var(--font-muted);
}

.child-icon {
  display: inline-flex;
  color: var(--main);
}

#nav-right {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--font);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.nav-btn:hover {
  background: var(--main-op);
  color: var(--main);
  transform: translateY(-3px);
  box-shadow: 0 6px 14px var(--main-op);
}

.nav-btn:active {
  transform: translateY(-1px) scale(0.94);
}

.nav-btn .icon {
  transition: transform 0.35s cubic-bezier(0.2, 0.85, 0.3, 1);
}

.nav-btn:hover .icon {
  transform: scale(1.15) rotate(-8deg);
}

.nav-btn-menu {
  display: none;
}

#darkmode-btn .icon-moon,
html[data-theme='dark'] #darkmode-btn .icon-sun {
  display: none;
}

html[data-theme='dark'] #darkmode-btn .icon-moon {
  display: inline-flex;
}

#read-progress {
  position: absolute;
  left: 18px;
  bottom: 0;
  height: 3px;
  width: 0;
  max-width: calc(100% - 36px);
  border-radius: 3px;
  background: linear-gradient(90deg, var(--main), var(--accent));
  transition: width 0.1s linear;
}

/* ===================== 横幅 ===================== */
.banner {
  max-width: 1400px;
  margin: 20px auto 0;
  padding: 0 20px;
}

.banner-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.banner-left {
  position: relative;
  min-height: 244px;
  padding: 28px 24px 18px;
  border-radius: 18px;
  overflow: hidden;
  color: #fff;
  background-color: var(--main-deep);
  background-image: linear-gradient(120deg, #1b5374 0%, #216e99 52%, #4a9dc0 100%);
  background-size: cover;
  background-position: center;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.banner-left::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.22) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  opacity: 0.5;
  pointer-events: none;
}

.banner-text {
  position: relative;
  z-index: 2;
}

.banner-title {
  margin: 0 0 10px;
  font-size: 32px;
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.banner-intro {
  margin: 0 0 10px;
  font-size: 14px;
  opacity: 0.92;
  max-width: 90%;
}

.banner-url {
  font-family: var(--mono-font);
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0.75;
}

.banner-tabs {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 10px;
  margin: 18px 0 0;
  height: 58px;
}

.banner-tab {
  position: relative;
  flex: 1 1 0;
  min-width: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 12px;
  color: #fff;
  border-radius: 12px;
  background: var(--tab-color, var(--main));
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.14);
  transition: flex-grow 0.5s cubic-bezier(0.25, 0.8, 0.3, 1), filter 0.3s,
    box-shadow 0.3s;
}

.banner-tab .tab-icon {
  display: inline-flex;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.2, 0.85, 0.3, 1);
}

.banner-tab .tab-icon .icon {
  width: 24px;
  height: 24px;
}

.banner-tab .tab-text {
  max-width: 0;
  margin-left: 0;
  opacity: 0;
  font-size: 17px;
  font-weight: 700;
  white-space: nowrap;
  transform: translateX(10px);
  transition: max-width 0.5s cubic-bezier(0.25, 0.8, 0.3, 1), opacity 0.35s ease,
    margin-left 0.5s cubic-bezier(0.25, 0.8, 0.3, 1), transform 0.35s ease;
}

.banner-tabs:hover .banner-tab {
  flex-grow: 0.55;
}

.banner-tabs:hover .banner-tab:hover {
  flex-grow: 3;
  filter: brightness(1.08) saturate(1.05);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}

.banner-tabs:hover .banner-tab:hover .tab-text {
  max-width: 140px;
  margin-left: 10px;
  opacity: 1;
  transform: none;
}

.banner-tabs:hover .banner-tab:hover .tab-icon {
  transform: scale(1.12);
}

@media (hover: none) {
  .banner-tab {
    flex-grow: 1;
  }

  .banner-tab .tab-text {
    max-width: 140px;
    margin-left: 8px;
    opacity: 1;
    transform: none;
  }
}

.banner-right {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  background: var(--card-bg);
}

.featured-slider {
  position: relative;
  height: 100%;
  min-height: 244px;
}

.featured-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease;
}

.featured-item.active {
  opacity: 1;
  visibility: visible;
}

.featured-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.featured-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 40%, rgba(0, 0, 0, 0.68) 100%);
}

.featured-info {
  position: absolute;
  left: 20px;
  right: 120px;
  bottom: 18px;
  color: #fff;
}

.featured-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 4px;
  background: var(--main);
}

.featured-title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.featured-dots {
  position: absolute;
  left: 20px;
  top: 18px;
  display: flex;
  gap: 6px;
}

.featured-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: width 0.3s, background-color 0.3s;
}

.featured-dot.active {
  width: 18px;
  border-radius: 4px;
  background: #fff;
}

.featured-more {
  position: absolute;
  right: 16px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 12px;
  color: #fff;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(6px);
  transition: background-color 0.25s;
}

.featured-more:hover {
  background: var(--main);
}

.notice-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 16px;
  font-size: 14px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.notice-icon {
  color: var(--main);
  display: inline-flex;
}

.notice-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-close {
  color: var(--font-muted);
  display: inline-flex;
  cursor: pointer;
}

.notice-close:hover {
  color: var(--main);
}

.notice-bar.hidden {
  display: none;
}

/* ===================== 主区域布局 ===================== */
#content-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 18px 20px 40px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 20px;
  align-items: start;
}

#main {
  min-width: 0;
}

/* ===================== 分类条 ===================== */
#category-bar {
  margin-bottom: 16px;
}

.category-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.category-inner::-webkit-scrollbar {
  display: none;
}

.category-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  padding: 6px 14px;
  font-size: 14px;
  color: var(--font-light);
  border-radius: 10px;
  background: transparent;
  transition: background-color 0.25s, color 0.25s, transform 0.25s,
    box-shadow 0.25s;
}

.category-item:hover {
  color: #fff;
  background: var(--main);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px var(--main-op-deep);
}

.category-item.active {
  color: #fff;
  background: var(--main);
}

.category-item .icon {
  width: 15px;
  height: 15px;
}

.category-item.more {
  margin-left: auto;
  color: var(--main);
  background: transparent;
}

.category-item.more:hover {
  color: #fff;
  background: var(--main);
}

.category-item.more .icon {
  width: 14px;
  height: 14px;
}

.category-count {
  font-size: 11px;
  opacity: 0.7;
}

/* ===================== 文章卡片 ===================== */
.post-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.post-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.post-card-cover {
  display: block;
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--second-bg);
}

.post-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.post-card:hover .post-card-cover img {
  transform: scale(1.06);
}

.post-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 12px 14px 10px;
}

.post-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  font-size: 12px;
}

.meta-category,
.meta-tag,
.meta-top {
  padding: 1px 7px;
  border-radius: 4px;
  background: var(--main-op);
  color: var(--main);
  transition: background-color 0.25s, color 0.25s;
}

.meta-tag {
  background: var(--second-bg);
  color: var(--font-muted);
}

.meta-top {
  background: rgba(198, 69, 43, 0.14);
  color: var(--accent);
}

.meta-category:hover,
.meta-tag:hover {
  background: var(--main);
  color: #fff;
}

.post-card-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.post-card-title a {
  transition: color 0.25s;
}

.post-card-title a:hover {
  color: var(--main);
}

.post-card-excerpt {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--font-muted);
  line-height: 1.7;
}

.post-card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
  font-size: 12px;
  color: var(--font-muted);
}

.post-card-tags {
  display: flex;
  gap: 8px;
  overflow: hidden;
  white-space: nowrap;
}

.post-card-tags a {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  transition: color 0.25s;
}

.post-card-tags .icon {
  width: 12px;
  height: 12px;
  opacity: 0.7;
}

.post-card-tags a:hover {
  color: var(--main);
}

.post-card-date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.post-card-date .icon {
  width: 13px;
  height: 13px;
}

/* ===================== 分页 ===================== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
}

.pagination a,
.pagination span {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border-radius: 6px;
  background: var(--card-bg);
  box-shadow: 0 2px 6px rgba(7, 17, 27, 0.06);
  transition: background-color 0.25s, color 0.25s;
}

.pagination a:hover {
  color: #fff;
  background: var(--main);
}

.pagination .current {
  color: #fff;
  background: var(--main);
}

.pagination .space {
  background: transparent;
  box-shadow: none;
}

/* ===================== 侧边栏 ===================== */
#sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 16px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  padding: 16px;
}

.sidebar-card-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 700;
}

.sidebar-card-title::before {
  content: '';
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--main);
}

.title-icon {
  display: none;
}

.author-card {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-top: 22px;
}

.author-bg {
  position: absolute;
  top: -60px;
  left: -20%;
  right: -20%;
  height: 150px;
  background: linear-gradient(120deg, #1b5374, #216e99 55%, #4a9dc0);
  border-radius: 0 0 60% 60%;
}

.author-avatar {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 3px solid var(--card-bg);
  object-fit: cover;
  transition: transform 0.6s ease;
}

.author-card:hover .author-avatar {
  transform: rotate(360deg);
}

.author-name {
  position: relative;
  margin-top: 10px;
  font-size: 17px;
  font-weight: 700;
}

.author-desc {
  position: relative;
  margin-top: 4px;
  font-size: 12.5px;
  color: var(--font-muted);
}

.author-social {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.author-social a {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--second-bg);
  color: var(--font);
  transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.author-social a:hover {
  color: #fff;
  background: var(--main);
  transform: translateY(-3px);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
}

.tag-cloud a {
  font-size: 13px;
  color: var(--font);
  transition: color 0.25s, transform 0.25s;
}

.tag-cloud a:hover {
  color: var(--main);
  transform: translateY(-2px);
}

.tag-cloud sup {
  margin-left: 1px;
  font-size: 10px;
  color: var(--main);
}

.archive-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.archive-item {
  display: flex;
  justify-content: space-between;
  padding: 7px 10px;
  font-size: 12.5px;
  border-radius: 6px;
  background: var(--second-bg);
  transition: background-color 0.25s, color 0.25s;
}

.archive-item span {
  color: var(--font-muted);
}

.archive-item:hover {
  color: #fff;
  background: var(--main);
}

.archive-item:hover span {
  color: rgba(255, 255, 255, 0.85);
}

.stats-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stats-item {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--font-muted);
}

.stats-item b {
  color: var(--font);
}

#toc-card .toc-content {
  max-height: 46vh;
  overflow: auto;
  font-size: 13px;
}

#toc-card ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

#toc-card ol ol {
  padding-left: 14px;
}

#toc-card li {
  margin: 4px 0;
}

#toc-card a {
  display: block;
  padding: 3px 8px;
  border-radius: 4px;
  border-left: 2px solid transparent;
  color: var(--font-muted);
  transition: color 0.25s, background-color 0.25s, border-color 0.25s;
}

#toc-card a:hover,
#toc-card a.active {
  color: var(--main);
  background: var(--main-op);
  border-left-color: var(--main);
}

/* ===================== 页面标题区 ===================== */
#page-site-info {
  max-width: 1400px;
  margin: 26px auto 0;
  padding: 0 20px;
  text-align: center;
}

#page-site-info .page-title {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
}

#page-site-info .page-subtitle {
  margin: 8px 0 0;
  font-size: 13px;
  color: var(--font-muted);
  letter-spacing: 1px;
}

/* ===================== 文章页 ===================== */
.post-hero {
  position: relative;
  margin-top: 20px;
  padding: 46px 20px 40px;
  background-image: var(--hero-cover);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.post-hero.no-cover {
  background-image: none;
  background: linear-gradient(120deg, #425aef, #7f9bff);
}

.post-hero-mask {
  position: absolute;
  inset: 0;
  background: rgba(20, 24, 48, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.post-hero-inner {
  position: relative;
  max-width: 1360px;
  margin: 0 auto;
  color: #fff;
  text-align: center;
}

.post-title {
  margin: 0 0 14px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.4;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.post-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 12.5px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(4px);
  transition: background-color 0.25s;
}

.post-meta-item:hover {
  background: rgba(255, 255, 255, 0.3);
}

.post-meta-item .icon {
  width: 13px;
  height: 13px;
}

.post-content,
.page-content {
  padding: 26px 28px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  font-size: 16px;
  line-height: 1.85;
  word-break: break-word;
}

.post-body > *:first-child {
  margin-top: 0;
}

.post-body h1,
.post-body h2,
.post-body h3,
.post-body h4 {
  margin: 1.6em 0 0.7em;
  font-weight: 700;
  line-height: 1.45;
}

.post-body h2 {
  padding-bottom: 8px;
  font-size: 22px;
  border-bottom: 1px solid var(--border);
}

.post-body h3 {
  font-size: 19px;
}

.post-body h2::before,
.post-body h3::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 0.85em;
  margin-right: 8px;
  vertical-align: -0.05em;
  border-radius: 2px;
  background: var(--main);
}

.post-body p {
  margin: 0 0 1.1em;
}

.post-body a {
  color: var(--main);
  border-bottom: 1px solid var(--main-op-deep);
  transition: border-color 0.25s;
}

.post-body a:hover {
  border-bottom-color: var(--main);
}

.post-body ul,
.post-body ol {
  padding-left: 1.4em;
  margin: 0 0 1.1em;
}

.post-body li {
  margin: 0.35em 0;
}

.post-body blockquote {
  margin: 1.2em 0;
  padding: 12px 18px;
  color: var(--font-light);
  background: var(--main-op);
  border-left: 4px solid var(--main);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.post-body blockquote p:last-child {
  margin-bottom: 0;
}

.post-body img {
  display: block;
  margin: 1.2em auto;
  border-radius: var(--radius);
}

.post-body hr {
  height: 1px;
  margin: 2em 0;
  border: 0;
  background: var(--border);
}

.post-body table {
  width: 100%;
  margin: 1.2em 0;
  border-collapse: collapse;
  font-size: 14.5px;
}

.post-body th,
.post-body td {
  padding: 9px 12px;
  border: 1px solid var(--border);
}

.post-body th {
  background: var(--second-bg);
  font-weight: 600;
}

.post-body code {
  padding: 2px 6px;
  font-family: var(--mono-font);
  font-size: 0.9em;
  border-radius: 4px;
  background: var(--second-bg);
  color: var(--main);
}

.post-body pre {
  margin: 1.2em 0;
  padding: 14px 16px;
  overflow: auto;
  border-radius: var(--radius);
  background: #282c34;
  color: #abb2bf;
  font-family: var(--mono-font);
  font-size: 13.5px;
  line-height: 1.7;
}

.post-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
  font-size: inherit;
}

/* highlight.js 配色（自带精简版） */
.hljs-comment,
.hljs-quote {
  color: #7f848e;
  font-style: italic;
}

.hljs-keyword,
.hljs-selector-tag,
.hljs-literal {
  color: #c678dd;
}

.hljs-string,
.hljs-attr,
.hljs-addition {
  color: #98c379;
}

.hljs-number,
.hljs-symbol {
  color: #d19a66;
}

.hljs-title,
.hljs-function .hljs-title,
.hljs-section {
  color: #61afef;
}

.hljs-built_in,
.hljs-type {
  color: #e6c07b;
}

.hljs-variable,
.hljs-template-variable,
.hljs-params {
  color: #e06c75;
}

.post-photos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.post-photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.post-tail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 18px;
  padding: 16px 18px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.post-tail-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}

.post-tail-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--font-muted);
}

.post-tail-link {
  padding: 2px 10px;
  border-radius: 20px;
  background: var(--main-op);
  color: var(--main);
  transition: background-color 0.25s, color 0.25s;
}

.post-tail-link:hover {
  color: #fff;
  background: var(--main);
}

.post-copyright {
  margin-top: 18px;
  padding: 16px 18px;
  font-size: 13.5px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--main);
}

.post-copyright-title {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  font-weight: 700;
}

.post-copyright p {
  margin: 4px 0;
  color: var(--font-muted);
}

.post-copyright a {
  color: var(--main);
  word-break: break-all;
}

.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}

.post-nav-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  transition: transform 0.25s, color 0.25s;
}

.post-nav-item:hover {
  transform: translateY(-3px);
  color: var(--main);
}

.post-nav-item.next {
  text-align: right;
}

.post-nav-item.empty {
  box-shadow: none;
  background: transparent;
}

.post-nav-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  color: var(--font-muted);
}

.post-nav-item.next .post-nav-label {
  justify-content: flex-end;
}

.post-nav-title {
  font-size: 14.5px;
  font-weight: 600;
}

.comments-area {
  margin-top: 20px;
  padding: 18px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.comments-tip {
  font-size: 14px;
  color: var(--font-muted);
}

/* ===================== 收藏页（游戏 / 电影 / 动漫） ===================== */
.collection {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.collection-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.collection-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
}

.collection-stat {
  display: flex;
  flex-direction: column;
}

.collection-stat b {
  font-size: 22px;
  color: var(--main);
  line-height: 1.2;
}

.collection-stat span {
  font-size: 12px;
  color: var(--font-muted);
}

.collection-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.collection-search {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 20px;
  background: var(--second-bg);
  color: var(--font-muted);
}

.collection-search input {
  width: 170px;
  border: 0;
  background: transparent;
  color: var(--font);
  font-size: 13.5px;
  outline: none;
}

.collection-sort {
  padding: 7px 10px;
  font-size: 13.5px;
  color: var(--font);
  border: 0;
  border-radius: 20px;
  background: var(--second-bg);
  outline: none;
  cursor: pointer;
}

.collection-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 6px 14px;
  font-size: 13.5px;
  color: var(--font);
  border: 0;
  border-radius: 6px;
  background: var(--card-bg);
  box-shadow: 0 2px 6px rgba(7, 17, 27, 0.06);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, transform 0.25s;
}

.filter-btn sup {
  margin-left: 3px;
  font-size: 10px;
  opacity: 0.7;
}

.filter-btn:hover {
  transform: translateY(-2px);
  color: var(--main);
}

.filter-btn.active {
  color: #fff;
  background: var(--main);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 16px;
}

.collection-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  /* 苹果官网那种手感：鼠标停一下才慢慢放大 */
  transition: transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1),
    box-shadow 0.55s ease;
}

.collection-card:hover {
  transform: translateY(-4px);
  background: transparent;
  box-shadow: none;
}

/* 悬停时阴影落到封面上（看起来卡片就是那张图） */
.collection-card:hover .collection-cover {
  box-shadow: var(--card-shadow-hover);
}

.collection-card.hidden {
  display: none;
}

.collection-cover {
  position: relative;
  display: block;
  aspect-ratio: var(--cover-aspect, 2 / 3);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(150deg, var(--main-op), var(--second-bg));
}

.collection-cover-blur {
  position: absolute;
  inset: -8%;
  background-size: cover;
  background-position: center;
  filter: blur(16px) saturate(1.15) brightness(0.95);
  opacity: 0.8;
  transform: scale(1.1);
}

.collection-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.6s ease;
}

.collection-card:hover .collection-cover img {
  transform: scale(1.03);
}

/* 悬停：卡片像被拉近，信息从右侧弹出，同时背景虚化 */
.collection-card:hover {
  transform: scale(1.06);
  z-index: 40;
  box-shadow: 0 26px 60px rgba(45, 42, 38, 0.28);
  transition-delay: 0.28s;
}

html[data-theme='dark'] .collection-card:hover {
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.66);
}

/* 悬停时卡片只留图片 */
.collection-card:hover .collection-body {
  opacity: 0;
  transform: translateY(6px);
}

/* 右侧弹出的信息卡 */
.collection-popup {
  position: absolute;
  top: 0;
  left: calc(100% + 16px);
  width: 260px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--card-bg);
  box-shadow: 0 18px 50px rgba(45, 42, 38, 0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-16px) scale(0.94);
  transform-origin: left center;
  transition: opacity 0.4s ease, transform 0.62s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.4s;
}

html[data-theme='dark'] .collection-popup {
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6);
}

.collection-card:hover .collection-popup {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0.28s;
}

/* 靠右的卡片，信息卡翻到左边，避免超出屏幕 */
.collection-card.popup-left .collection-popup {
  left: auto;
  right: calc(100% + 16px);
  transform-origin: right center;
  transform: translateX(16px) scale(0.94);
}

.collection-card.popup-left:hover .collection-popup {
  transform: none;
}

.popup-name {
  font-size: 12.5px;
  text-align: right;
  color: var(--font-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.popup-rule {
  height: 1px;
  margin: 10px 0 12px;
  background: var(--border);
}

.popup-comment {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--font);
  word-break: break-word;
}

.popup-comment.sm {
  font-size: 14.5px;
}

.popup-comment.xs {
  font-size: 13px;
  line-height: 1.7;
}

/* 背景虚化层 */
#card-blur {
  position: fixed;
  inset: 0;
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  background: rgba(20, 25, 32, 0.2);
  backdrop-filter: blur(7px) saturate(0.9);
  -webkit-backdrop-filter: blur(7px) saturate(0.9);
  transition: opacity 0.45s ease;
}

body.card-focus #card-blur {
  opacity: 1;
  transition-delay: 0.28s;
}

.collection-cover-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  color: #fff;
  background: linear-gradient(150deg, #425aef, #7f9bff);
}

.collection-cover-fallback[style*='--seed:0'] { background: linear-gradient(150deg, #1b5374, #4a9dc0); }
.collection-cover-fallback[style*='--seed:1'] { background: linear-gradient(150deg, #4a2f5e, #9d6a8e); }
.collection-cover-fallback[style*='--seed:2'] { background: linear-gradient(150deg, #f2607c, #ffa07a); }
.collection-cover-fallback[style*='--seed:3'] { background: linear-gradient(150deg, #1a9c56, #6fe0a5); }
.collection-cover-fallback[style*='--seed:4'] { background: linear-gradient(150deg, #ff7c00, #ffc06a); }
.collection-cover-fallback[style*='--seed:5'] { background: linear-gradient(150deg, #2b9df0, #7fd0ff); }
.collection-cover-fallback[style*='--seed:6'] { background: linear-gradient(150deg, #8e44ad, #d59bf6); }
.collection-cover-fallback[style*='--seed:7'] { background: linear-gradient(150deg, #e0524f, #ff9d84); }
.collection-cover-fallback[style*='--seed:8'] { background: linear-gradient(150deg, #16706b, #55c4b6); }
.collection-cover-fallback[style*='--seed:9'] { background: linear-gradient(150deg, #c2185b, #ff7ba9); }
.collection-cover-fallback[style*='--seed:10'] { background: linear-gradient(150deg, #37474f, #78909c); }
.collection-cover-fallback[style*='--seed:11'] { background: linear-gradient(150deg, #d4a017, #f5d372); }

.collection-rating {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 600;
  color: #f0cf8a;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
}

.collection-rating .icon {
  width: 12px;
  height: 12px;
}

.collection-status {
  position: absolute;
  left: 8px;
  top: 8px;
  padding: 2px 8px;
  font-size: 11.5px;
  color: #fff;
  border-radius: 4px;
  background: var(--main);
}

.collection-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 12px 14px 14px;
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.collection-title {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
}

.collection-title a:hover {
  color: var(--main);
}

.collection-original {
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--font-muted);
}

.collection-meta,
.collection-public {
  font-size: 12.5px;
  color: var(--font-muted);
}

.collection-public {
  margin-top: 2px;
}

.collection-comment {
  margin: 8px 0 0;
  padding-top: 8px;
  font-size: 12.5px;
  color: var(--font-muted);
  border-top: 1px dashed var(--border);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.collection-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.collection-tags span {
  padding: 1px 7px;
  font-size: 11.5px;
  color: var(--main);
  border-radius: 4px;
  background: var(--main-op);
}

.collection-empty {
  padding: 30px;
  text-align: center;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  color: var(--font-muted);
}

.demo-tip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--font-light);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(198, 69, 43, 0.13), rgba(198, 69, 43, 0.03));
  border-left: 3px solid var(--accent);
}

.demo-tip-icon {
  display: inline-flex;
  color: var(--accent);
  flex-shrink: 0;
}

.demo-tip code {
  padding: 1px 6px;
  font-family: var(--mono-font);
  font-size: 12.5px;
  border-radius: 4px;
  background: rgba(198, 69, 43, 0.14);
  color: var(--accent);
}

.collection-empty-tip {
  font-size: 13.5px;
  line-height: 1.9;
}

.collection-empty code,
.link-apply code {
  padding: 1px 5px;
  font-family: var(--mono-font);
  font-size: 12.5px;
  border-radius: 4px;
  background: var(--second-bg);
  color: var(--main);
}

.collection-footer-tip {
  font-size: 12.5px;
  color: var(--font-muted);
  text-align: center;
}

/* ===================== 友链页 ===================== */
.taxonomy-page {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.taxonomy-card {
  padding: 18px 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.taxonomy-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.taxonomy-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 700;
}

.taxonomy-title .icon {
  color: var(--main);
}

.taxonomy-sub {
  font-size: 12.5px;
  color: var(--font-muted);
}

.taxonomy-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.taxonomy-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--second-bg);
  transition: background-color 0.25s, color 0.25s, transform 0.25s;
}

.taxonomy-tag sup {
  font-size: 10px;
  color: var(--main);
}

.taxonomy-tag:hover {
  color: #fff;
  background: var(--main);
  transform: translateY(-2px);
}

.taxonomy-tag:hover sup {
  color: rgba(255, 255, 255, 0.85);
}

.taxonomy-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.taxonomy-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.taxonomy-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  transition: color 0.25s;
}

.taxonomy-group-title:hover {
  color: var(--main);
}

.taxonomy-group-name {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.taxonomy-group-name .icon {
  color: var(--main);
}

.taxonomy-group-count {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 12px;
  font-weight: 400;
  color: var(--font-muted);
}

.taxonomy-posts {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.taxonomy-post {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 10px;
  font-size: 13.5px;
  border-radius: 6px;
  transition: background-color 0.25s, color 0.25s;
}

.taxonomy-post:hover {
  color: var(--main);
  background: var(--main-op);
}

.taxonomy-post-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.taxonomy-post time {
  font-size: 12px;
  color: var(--font-muted);
  flex-shrink: 0;
}

.links-page {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-content {
  margin-bottom: 0;
}

.about-content .post-body > ul {
  padding-left: 1.2em;
}

.links-section {
  padding: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
}

.links-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 17px;
  font-weight: 700;
}

.my-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.my-link-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: var(--radius);
  background: var(--second-bg);
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.my-link-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow);
  background: var(--card-bg);
}

.my-link-icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: #fff;
  background: var(--brand, var(--main));
  flex-shrink: 0;
}

.my-link-icon .icon {
  width: 22px;
  height: 22px;
}

.my-link-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.my-link-info b {
  font-size: 14.5px;
}

.my-link-info small {
  font-size: 12px;
  color: var(--font-muted);
}

.my-link-arrow {
  margin-left: auto;
  color: var(--font-muted);
  transition: transform 0.3s, color 0.3s;
}

.my-link-card:hover .my-link-arrow {
  color: var(--main);
  transform: translateX(3px);
}

.friend-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.friend-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius);
  background: var(--second-bg);
  transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.friend-card:hover {
  transform: translateY(-3px);
  background: var(--card-bg);
  box-shadow: var(--card-shadow);
}

.friend-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.friend-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.friend-info b {
  font-size: 14.5px;
}

.friend-info small {
  font-size: 12px;
  color: var(--font-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-apply p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--font-muted);
}

.link-apply-code {
  margin: 0 0 14px;
  padding: 14px 16px;
  font-family: var(--mono-font);
  font-size: 13px;
  line-height: 1.9;
  white-space: pre-wrap;
  border-radius: var(--radius);
  background: var(--second-bg);
  color: var(--font);
  border-left: 3px solid var(--main);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 13.5px;
  color: #fff;
  border: 0;
  border-radius: 20px;
  background: var(--main);
  cursor: pointer;
  transition: filter 0.25s, transform 0.25s;
}

.copy-btn:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

/* ===================== 页脚 ===================== */
#footer {
  margin-top: 20px;
  background: var(--card-bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 30px 20px 16px;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 26px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--second-bg);
  color: var(--font);
  transition: background-color 0.3s, color 0.3s, transform 0.3s;
}

.footer-social a:hover {
  color: #fff;
  background: var(--main);
  transform: translateY(-4px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 18px;
  padding-bottom: 22px;
  text-align: center;
}

.footer-link-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-link-title {
  font-size: 14px;
  font-weight: 700;
}

.footer-link-group a {
  font-size: 13px;
  color: var(--font-muted);
  transition: color 0.25s;
}

.footer-link-group a:hover {
  color: var(--main);
}

#footer-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--font-muted);
}

#footer-bar a {
  color: var(--main);
}

.footer-dot {
  margin: 0 6px;
}


/* ===================== 搜索弹窗 ===================== */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}

.search-modal.show {
  display: flex;
}

.search-box {
  position: relative;
  z-index: 2;
  width: min(680px, 92vw);
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

.search-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.search-icon {
  color: var(--font-muted);
}

#search-input {
  flex: 1;
  border: 0;
  font-size: 15.5px;
  background: transparent;
  color: var(--font);
  outline: none;
}

.search-close {
  border: 0;
  background: transparent;
  color: var(--font-muted);
  cursor: pointer;
  display: inline-flex;
}

.search-close:hover {
  color: var(--main);
}

.search-results {
  overflow: auto;
  padding: 8px;
}

.search-tip,
.search-empty {
  padding: 22px;
  text-align: center;
  font-size: 13.5px;
  color: var(--font-muted);
}

.search-result {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius);
  transition: background-color 0.25s;
}

.search-result:hover {
  background: var(--second-bg);
}

.search-result-cover {
  width: 70px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 6px;
  object-fit: cover;
  background: var(--second-bg);
}

.search-result-body {
  min-width: 0;
}

.search-result-title {
  font-size: 14.5px;
  font-weight: 600;
}

.search-result-title mark {
  color: var(--main);
  background: var(--main-op);
  border-radius: 2px;
}

.search-result-meta {
  margin-top: 3px;
  font-size: 12px;
  color: var(--font-muted);
}

.search-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(3px);
}

/* ===================== 移动端抽屉 ===================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 130;
  display: none;
}

.mobile-menu.show {
  display: block;
}

.mobile-menu-mask {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
}

.mobile-menu-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  padding: 20px 16px;
  overflow: auto;
  background: var(--card-bg);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.mobile-menu.show .mobile-menu-panel {
  transform: translateX(0);
}

.mobile-site-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.mobile-site-data a {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 4px;
  border-radius: var(--radius);
  background: var(--second-bg);
  font-size: 12.5px;
  color: var(--font-muted);
}

.mobile-site-data b {
  font-size: 16px;
  color: var(--main);
}

.mobile-menu .menus {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}

.mobile-menu .menus-child {
  position: static;
  transform: none;
  opacity: 1;
  visibility: visible;
  box-shadow: none;
  padding: 0 0 0 14px;
  background: transparent;
}

.mobile-menu .menus-arrow {
  display: none;
}

.mobile-menu .menus-link {
  font-weight: 600;
}

/* ===================== 鼠标交互特效 ===================== */
html.pjax-loading #pjax-container {
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

#cursor-glow {
  position: fixed;
  top: 0;
  left: 0;
  width: 460px;
  height: 460px;
  margin: -230px 0 0 -230px;
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(33, 110, 153, 0.16) 0%,
    rgba(33, 110, 153, 0.06) 42%,
    rgba(33, 110, 153, 0) 68%
  );
  transition: opacity 0.5s ease;
  will-change: transform;
}

html[data-theme='dark'] #cursor-glow {
  background: radial-gradient(
    circle,
    rgba(111, 182, 220, 0.16) 0%,
    rgba(111, 182, 220, 0.06) 42%,
    rgba(111, 182, 220, 0) 68%
  );
}

#cursor-glow.on {
  opacity: 1;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  animation: rippleAnim 0.6s ease-out forwards;
}

.nav-btn .ripple,
.category-item .ripple,
.filter-btn .ripple {
  background: rgba(33, 110, 153, 0.28);
}

html[data-theme='dark'] .nav-btn .ripple,
html[data-theme='dark'] .category-item .ripple,
html[data-theme='dark'] .filter-btn .ripple {
  background: rgba(255, 255, 255, 0.22);
}

@keyframes rippleAnim {
  to {
    transform: scale(2.8);
    opacity: 0;
  }
}

.rippling {
  position: relative;
  overflow: hidden;
}

/* 横幅随鼠标轻微倾斜 */
.banner-left,
.banner-right {
  transform: perspective(1200px) rotateX(var(--tilt-x, 0deg))
    rotateY(var(--tilt-y, 0deg));
  transition: transform 0.4s cubic-bezier(0.2, 0.85, 0.3, 1);
  transform-style: preserve-3d;
}

.banner.tilting .banner-left,
.banner.tilting .banner-right {
  transition: transform 0.12s linear;
}

/* ===================== 顶部导航里的音乐播放器 ===================== */
.music-player {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.music-btn {
  position: relative;
  flex-shrink: 0;
}

.music-player.playing .music-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  box-shadow: 0 6px 16px rgba(198, 69, 43, 0.32);
}

/* 导航里滚动的歌名 */
.music-now {
  display: block;
  max-width: 130px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--font-muted);
  opacity: 0;
  max-width: 0;
  transition: max-width 0.4s ease, opacity 0.3s ease;
}

.music-player.playing .music-now,
.music-player.has-track .music-now {
  max-width: 130px;
  opacity: 1;
}

/* 鼠标移上去展开的小面板 */
.music-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: 0;
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--card-bg);
  box-shadow: 0 16px 44px rgba(45, 42, 38, 0.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px) scale(0.96);
  transform-origin: right top;
  transition: opacity 0.3s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.3s;
}

html[data-theme='dark'] .music-panel {
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.6);
}

.music-player:hover .music-panel,
.music-player.show .music-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.music-hint {
  font-size: 11.5px;
  color: var(--font-muted);
  white-space: nowrap;
}

.music-actions {
  display: flex;
  gap: 6px;
}

.music-mini {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  color: var(--font-light);
  background: var(--second-bg);
  cursor: pointer;
  transition: background-color 0.25s, color 0.25s, transform 0.25s;
}

.music-mini:hover {
  color: #fff;
  background: var(--main);
  transform: translateY(-2px);
}

.music-mini .icon {
  width: 15px;
  height: 15px;
}

/* ===================== 文字滚动（歌名、友链小字） ===================== */
.marquee {
  overflow: hidden;
  white-space: nowrap;
}

.marquee-inner {
  display: inline-flex;
  align-items: center;
  gap: 36px;
  will-change: transform;
}

.marquee-inner > span {
  display: inline-block;
}

.marquee-run .marquee-inner {
  animation: marqueeScroll 16s linear infinite;
}

@keyframes marqueeScroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 18px));
  }
}

/* ===================== 更多鼠标悬停细节 ===================== */
.post-card {
  position: relative;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2;
  background: linear-gradient(90deg, var(--main), var(--accent));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s cubic-bezier(0.2, 0.85, 0.3, 1);
}

.post-card:hover::before {
  transform: scaleX(1);
}

.post-card-title a {
  background-image: linear-gradient(var(--main), var(--main));
  background-repeat: no-repeat;
  background-size: 0 1.5px;
  background-position: 0 100%;
  transition: color 0.25s, background-size 0.4s ease;
}

.post-card:hover .post-card-title a {
  color: var(--main);
  background-size: 100% 1.5px;
}

.meta-category:hover,
.meta-tag:hover {
  background: var(--main);
  color: #fff;
  transform: translateY(-1px);
}

.meta-category,
.meta-tag {
  transition: background-color 0.25s, color 0.25s, transform 0.25s;
}

.author-social a:hover {
  transform: translateY(-4px) rotate(8deg);
}

.tag-cloud a:hover {
  color: var(--main);
  transform: translateY(-2px) scale(1.04);
  display: inline-block;
}

.archive-item:hover {
  transform: translateX(2px);
}

.my-link-card:hover .my-link-icon,
.friend-card:hover .friend-avatar {
  transform: scale(1.08) rotate(-4deg);
}

.my-link-icon,
.friend-avatar {
  transition: transform 0.35s cubic-bezier(0.2, 0.85, 0.3, 1), box-shadow 0.3s;
}

.collection-card:hover .collection-title a {
  color: var(--main);
}

.collection-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(27, 83, 116, 0) 55%, rgba(27, 83, 116, 0.4));
  opacity: 0;
  transition: opacity 0.35s ease;
}

.collection-card:hover .collection-cover::after {
  opacity: 1;
}

.footer-social a:hover {
  transform: translateY(-5px) rotate(-6deg);
}

/* 滚动条 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  border-radius: 8px;
  background: rgba(33, 110, 153, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(33, 110, 153, 0.5);
}

::-webkit-scrollbar-track {
  background: transparent;
}

/* ===================== 响应式 ===================== */
@media (max-width: 1100px) {
  #content-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  #sidebar {
    position: static;
    order: 2;
  }
}

@media (max-width: 860px) {
  #nav {
    padding: 8px 12px 0;
  }

  .nav-inner {
    height: 52px;
    padding: 0 14px;
    border-radius: 16px;
  }

  .menus {
    display: none;
  }

  .nav-btn-menu {
    display: inline-flex;
  }

  .nav-inner {
    justify-content: space-between;
  }

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

  .banner-left {
    min-height: 210px;
  }

  .banner-title {
    font-size: 26px;
  }

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

  .post-title {
    font-size: 23px;
  }

  .post-content,
  .page-content {
    padding: 20px 16px;
  }

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

  .post-nav-item.next {
    text-align: left;
  }

  .post-nav-item.next .post-nav-label {
    justify-content: flex-start;
  }

  .collection-head {
    flex-direction: column;
    align-items: stretch;
  }

  .collection-search input {
    width: 100%;
  }

  .music-now {
    max-width: 90px;
  }
}

@media (max-width: 520px) {
  .banner {
    padding: 0 14px;
  }

  #content-inner {
    padding: 16px 14px 30px;
  }

  .collection-stats {
    gap: 16px;
  }

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

  .collection-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }

  .footer-inner {
    padding: 22px 14px 14px;
  }

  .music-now {
    display: none;
  }

  .site-name-text {
    font-size: 15px;
  }
}