/* ============================================
   飞一飞，歇一歇个人网站 — 全局设计系统
   工业极简 · 黄黑 · v3 定稿
   ============================================ */

/* ===== CSS 变量 ===== */
:root {
  /* 色彩 */
  --color-bg: #FAF9F6;
  --color-surface: #F4F4F4;
  --color-text-primary: #1A1A1A;
  --color-text-secondary: #888888;
  --color-text-disabled: #BBBBBB;
  --color-accent: #FFD400;
  --color-accent-dark: #E6BF00;
  --color-border: #1A1A1A;
  --color-border-light: #E5E5E5;
  --color-sidebar: #F0F0F0;
  --color-sidebar-active: #1A1A1A;
  --color-sidebar-active-text: #FFD400;
  --color-white: #FFFFFF;
  
  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  
  /* 布局 */
  --max-width: 1200px;
  --content-width: 720px;
  --page-padding-desktop: 80px;
  --page-padding-mobile: 20px;
  --header-height: 64px;
  --header-height-mobile: 56px;
  
  /* 圆角 */
  --radius-sm: 2px;
  --radius-md: 4px;
  
  /* 字体 */
  --font-cn: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;
}

/* ===== 重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-cn), var(--font-en);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

.hidden { display: none !important; }

/* ===== 字体样式 ===== */
.text-hero {
  font-size: 72px;
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
}

.text-page-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-section-en {
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.text-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.text-body {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.8;
}

.text-caption {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
}

.text-label {
  font-size: 11px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-button {
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.text-nav {
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
}

/* ===== 布局容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding-desktop);
}

.container-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--page-padding-desktop);
}

.section {
  padding: var(--space-16) 0;
}

.section--wide {
  padding: var(--space-20) 0;
}

/* ===== 导航栏 Header ===== */
.site-header {
  height: var(--header-height);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--page-padding-desktop);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text-primary);
}

.site-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  color: var(--color-text-primary);
  flex-shrink: 0;
  line-height: 1;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo-cn {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.site-logo-en {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  text-align: center;
}

/* 标题中逗号视觉居中：飞一飞，歇一歇 */
.title-comma {
  display: inline-block;
  padding-left: 0.22em;
  padding-right: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  color: var(--color-text-secondary);
  transition: color 0.2s;
  position: relative;
  padding: 4px 0;
  text-decoration: none;
}

.site-nav a .nav-cn {
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
}

.site-nav a .nav-en {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  opacity: 0.7;
}

.site-nav a:hover {
  color: var(--color-text-primary);
}

.site-nav a.active {
  color: var(--color-text-primary);
}

.site-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

/* 管理员入口：前台登录后显示的后台链接 */
.admin-link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}

.admin-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

@media (max-width: 767px) {
  .admin-link {
    display: none;
  }
}

.btn-about {
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-about::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.btn-about:hover {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

/* 移动端导航 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.mobile-menu-btn span {
  width: 20px;
  height: 2px;
  background: var(--color-text-primary);
  transition: 0.3s;
}

.mobile-nav-dot {
  display: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* 移动端导航抽屉 */
.mobile-nav-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  z-index: 200;
  flex-direction: column;
  padding: var(--header-height-mobile) var(--page-padding-mobile) var(--space-16);
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-drawer a {
  font-size: 20px;
  font-weight: 700;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}

.mobile-nav-drawer a.active {
  color: var(--color-text-primary);
}

.mobile-nav-drawer a.active::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 2px;
  background: var(--color-accent);
  margin-right: 12px;
  vertical-align: middle;
}

/* ===== 页脚 Footer ===== */
.site-footer {
  background: var(--color-text-primary);
  color: var(--color-bg);
  border-top: 4px solid var(--color-accent);
  padding: var(--space-10) 0 var(--space-6);
  position: relative;
}

.site-footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-padding-desktop);
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-8);
}

.footer-brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-grid {
  width: 40px;
  height: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 2px;
  flex-shrink: 0;
}

.footer-logo-grid div {
  border-radius: 1px;
}

.footer-logo-grid div:nth-child(1),
.footer-logo-grid div:nth-child(5),
.footer-logo-grid div:nth-child(9) {
  background: var(--color-accent);
}

.footer-logo-grid div:nth-child(3),
.footer-logo-grid div:nth-child(7) {
  background: var(--color-bg);
  border-radius: 50%;
}

.footer-logo-grid div:nth-child(2),
.footer-logo-grid div:nth-child(4),
.footer-logo-grid div:nth-child(6),
.footer-logo-grid div:nth-child(8) {
  background: var(--color-text-secondary);
  opacity: 0.3;
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-brand {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-tagline {
  font-size: 10px;
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-copyright {
  font-size: 10px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.footer-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-crosshair {
  width: 24px;
  height: 24px;
  position: relative;
  opacity: 0.4;
}

.footer-crosshair::before,
.footer-crosshair::after {
  content: '';
  position: absolute;
  background: var(--color-bg);
}

.footer-crosshair::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}

.footer-crosshair::after {
  width: 1px;
  height: 100%;
  left: 50%;
  top: 0;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.footer-version {
  font-size: 10px;
  color: var(--color-text-secondary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-dots {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 3px;
  opacity: 0.3;
}

.footer-dots div {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-bg);
}

/* 备案信息 */
.beian-bar {
  background: var(--color-text-primary);
  color: var(--color-text-secondary);
  text-align: center;
  padding: 8px var(--page-padding-desktop);
  font-size: 11px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.beian-bar a {
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.beian-bar a:hover {
  color: var(--color-bg);
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-text-primary);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: background 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
}

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

.btn-primary:active {
  background: #CCA800;
  transform: scale(0.97);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  background: var(--color-sidebar);
  color: var(--color-text-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tag--accent {
  background: var(--color-accent);
  font-weight: 600;
}

.tag--pinned {
  background: var(--color-accent);
  color: var(--color-text-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.tag--pinned::before {
  content: '📌';
  font-size: 10px;
  margin-right: 3px;
}

.tag--dark {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

.tag-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 6px;
}

/* ===== 分隔线 ===== */
.divider {
  height: 1px;
  background: var(--color-border);
  width: 100%;
  border: none;
}

.divider--light {
  background: var(--color-border-light);
}

.divider--accent {
  height: 4px;
  background: var(--color-accent);
}

/* ===== 装饰元素 ===== */
.dot-grid {
  background-image: radial-gradient(circle, var(--color-text-primary) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.12;
}

.grid-pattern {
  background-image:
    linear-gradient(to right, var(--color-border-light) 1px, transparent 1px),
    linear-gradient(to bottom, var(--color-border-light) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ===== 分页器 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: var(--space-10) 0;
}

.pagination button,
.pagination a {
  min-width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 13px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  cursor: pointer;
  padding: 0 8px;
}

.pagination button:hover,
.pagination a:hover {
  border-color: var(--color-border);
  color: var(--color-text-primary);
}

.pagination .active {
  background: var(--color-text-primary);
  color: var(--color-bg);
  border-color: var(--color-text-primary);
}

.pagination .disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* ===== 黑胶唱片 ===== */
.vinyl {
  position: relative;
  border-radius: 50%;
  background: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.vinyl-grooves {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    transparent 0,
    transparent 6px,
    #2A2A2A 7px,
    #2A2A2A 7px
  );
}

.vinyl-shine {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, rgba(255,255,255,0.06), transparent 60%);
  pointer-events: none;
}

.vinyl-label {
  position: relative;
  width: 25%;
  height: 25%;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.vinyl-label::before {
  content: '';
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid var(--color-text-primary);
}

.vinyl-label::after {
  content: '';
  position: absolute;
  inset: 20%;
  border-radius: 50%;
  border: 1px solid var(--color-text-primary);
}

.vinyl-hole {
  width: 12%;
  height: 12%;
  border-radius: 50%;
  background: var(--color-text-primary);
  z-index: 3;
}

.vinyl.spinning {
  animation: vinyl-spin 4s linear infinite;
}

@keyframes vinyl-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ===== 卡片基础 ===== */
.card {
  background: transparent;
  border: 1px solid var(--color-border-light);
  transition: border-color 0.2s;
  overflow: hidden;
}

.card:hover {
  border-color: var(--color-border);
}

.card-image {
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.card:hover .card-image img {
  transform: scale(1.02);
}

.card-body {
  padding: var(--space-3);
}

/* ===== 页面标题区 ===== */
.page-header {
  padding: var(--space-12) 0 var(--space-8);
  position: relative;
}

.page-header h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.page-header .page-subtitle {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

/* 页面标题区装饰元素 */
.page-header-deco-left {
  position: absolute;
  top: 20px;
  left: -20px;
  width: 120px;
  height: 120px;
  pointer-events: none;
  z-index: 0;
}

.page-header-deco-left .half-circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-accent);
  clip-path: inset(0 0 0 50%);
  opacity: 0.15;
}

.page-header-deco-left .dots {
  position: absolute;
  bottom: 0;
  left: 10px;
  width: 60px;
  height: 60px;
  background-image: radial-gradient(circle, var(--color-text-primary) 1px, transparent 1px);
  background-size: 8px 8px;
  opacity: 0.12;
}

.page-header-deco-right {
  position: absolute;
  top: 30px;
  right: -10px;
  width: 32px;
  height: 32px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.3;
}

.page-header-deco-right::before,
.page-header-deco-right::after {
  content: '';
  position: absolute;
  background: var(--color-text-primary);
}

.page-header-deco-right::before {
  width: 100%;
  height: 1px;
  top: 50%;
  left: 0;
}

.page-header-deco-right::after {
  width: 1px;
  height: 100%;
  left: 50%;
  top: 0;
}

.page-header-deco-right .ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--color-text-primary);
}

.page-header > h1,
.page-header > .page-subtitle {
  position: relative;
  z-index: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .container,
  .container-narrow,
  .site-header-inner,
  .site-footer-inner {
    padding-left: 40px;
    padding-right: 40px;
  }
}

@media (max-width: 767px) {
  .container,
  .container-narrow,
  .site-header-inner,
  .site-footer-inner {
    padding-left: var(--page-padding-mobile);
    padding-right: var(--page-padding-mobile);
  }
  
  .text-hero {
    font-size: 42px;
  }
  
  .text-page-title {
    font-size: 32px;
  }
  
  .section {
    padding: var(--space-10) 0;
  }
  
  /* 移动端导航 */
  .site-nav,
  .btn-about {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-nav-dot {
    display: block;
  }
  
  .site-header {
    height: var(--header-height-mobile);
  }

  .site-header-inner {
    justify-content: space-between;
    position: relative;
  }

  .site-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

  .site-logo-icon {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .site-logo-cn {
    font-size: 15px;
  }

  .mobile-menu-btn {
    order: -1;
  }

  .mobile-nav-dot {
    margin-left: auto;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  /* 移动端页脚 */
  .site-footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }
  .footer-brand-block {
    justify-content: center;
  }
  .footer-right {
    align-items: center;
  }
  .footer-center {
    display: none;
  }
  
  /* 移动端分页器 */
  .pagination {
    gap: 4px;
  }
}

/* ============================================
   页面专用样式
   ============================================ */

/* ===== 首页 Hero ===== */
.hero {
  height: calc(100vh - var(--header-height));
  min-height: 600px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--page-padding-desktop);
  position: relative;
  z-index: 2;
}
.hero-title {
  font-size: 72px;
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.04em;
  color: var(--color-text-primary);
}
.hero-subtitle {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-top: 12px;
  letter-spacing: 0.05em;
}
.hero-deco-circle {
  position: absolute;
  top: 10%;
  right: 80px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 1px solid var(--color-border-light);
  opacity: 0.4;
  z-index: 1;
}
.hero-deco-circle-2 {
  position: absolute;
  top: 10%;
  right: 80px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--color-border-light);
  opacity: 0.3;
  z-index: 1;
  transform: translate(50px, 50px);
}
.hero-deco-crosshair {
  position: absolute;
  bottom: 40px;
  right: 80px;
  opacity: 0.3;
  z-index: 1;
}
.hero-deco-dots {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.08;
}
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-secondary);
  animation: scroll-bounce 2s ease-in-out infinite;
  z-index: 2;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Header（通用区块标题） ===== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-10);
}
.section-header-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.section-header h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
}
.section-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
  transition: color 0.2s;
  white-space: nowrap;
}
.section-link:hover {
  color: var(--color-text-primary);
}

/* ===== 首页：电台预览 ===== */
.radio-preview {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  border: 1px solid var(--color-border);
}
.radio-preview-vinyl {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
}
.radio-preview-vinyl .vinyl-grooves {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    transparent 0, transparent 4px,
    #2A2A2A 5px, #2A2A2A 5px
  );
}
.radio-preview-vinyl .vinyl-label {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-accent);
  position: relative;
  z-index: 2;
}
.radio-preview-info {
  flex: 1;
  min-width: 0;
}
.radio-preview-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}
.radio-preview-sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}
.radio-preview-play {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 1px solid var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  flex-shrink: 0;
  transition: all 0.2s;
}
.radio-preview-play:hover {
  background: var(--color-accent-dark);
  transform: scale(1.05);
}

/* ===== 图集网格 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.gallery-card {
  display: block;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: border-color 0.2s;
  background: transparent;
  position: relative;
}
.gallery-card:hover {
  border-color: var(--color-border);
}
.gallery-card-image {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--color-surface);
}
.gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.gallery-card:hover .gallery-card-image img {
  transform: scale(1.02);
}
.gallery-card-body {
  padding: var(--space-3);
}
.gallery-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.gallery-card-meta {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== 筛选标签 ===== */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.filter-tab {
  padding: 6px 14px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  background: transparent;
}
.filter-tab:hover {
  border-color: var(--color-border);
  color: var(--color-text-primary);
}
.filter-tab.active {
  background: var(--color-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
  font-weight: 600;
}

/* ===== 文章列表 ===== */
.article-list {
  display: flex;
  flex-direction: column;
}
.article-item {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border-light);
  transition: padding-left 0.2s;
  position: relative;
}
.article-item:first-child {
  border-top: 1px solid var(--color-border-light);
}
.article-item:first-child::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-accent);
}
.article-item:first-child {
  padding-left: var(--space-4);
}
.article-item:hover {
  padding-left: var(--space-4);
}
.article-item:hover:first-child {
  padding-left: var(--space-6);
}
.article-item-pinned {
  border-left: 3px solid var(--color-accent);
  padding-left: calc(var(--space-4) - 3px);
}
.article-item-pinned:hover {
  padding-left: calc(var(--space-4) - 3px);
}
.article-item-thumb {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
}
.article-item-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-item-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.article-item-meta {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-edit-link {
  margin-left: auto;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-accent-dark);
  background: transparent;
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.article-edit-link:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.article-item-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 文章侧边栏 ===== */
.article-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-10);
}
.article-sidebar {
  padding-left: var(--space-6);
  border-left: 1px solid var(--color-border-light);
}
.sidebar-block {
  margin-bottom: var(--space-8);
}
.sidebar-title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}
.sidebar-cat-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.sidebar-cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  font-size: 14px;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color 0.2s;
}
.sidebar-cat-item:hover {
  color: var(--color-accent-dark);
}
.sidebar-cat-item.active {
  color: var(--color-accent-dark);
  font-weight: 700;
  border-left: 3px solid var(--color-accent);
  padding-left: 10px;
  margin-left: -13px;
}
.sidebar-cat-count {
  font-size: 12px;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

/* ===== 作品网格 ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.work-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}
.work-card:hover {
  border-color: var(--color-border);
}
.work-card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-surface);
}
.work-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.work-card:hover .work-card-image img {
  transform: scale(1.02);
}
.work-card-body {
  padding: var(--space-4);
}
.work-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}
.work-card-type {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.work-card-intro {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-3);
}
.work-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.work-card-tags .tag {
  font-size: 10px;
  padding: 2px 6px;
}

/* ===== 详情页通用 ===== */
.detail-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  transition: color 0.2s;
}
.detail-back:hover {
  color: var(--color-text-primary);
}
.detail-header {
  margin-bottom: var(--space-8);
}
.detail-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}
.detail-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.detail-meta-item {
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ===== 分享按钮 + 弹窗 ===== */
.detail-header {
  position: relative;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all 0.2s;
}
.share-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.share-btn .share-icon {
  font-size: 14px;
  line-height: 1;
}
.share-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  padding: 16px;
  z-index: 100;
  min-width: 300px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s;
}
.share-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.share-panel-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.share-panel-url {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  margin-bottom: 12px;
}
.share-panel-url input {
  flex: 1;
  border: none;
  background: none;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  outline: none;
  min-width: 0;
}
.share-panel-url .copy-btn {
  padding: 4px 12px;
  font-size: 11px;
  font-weight: 700;
  background: var(--color-accent);
  color: var(--color-text-primary);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.share-panel-url .copy-btn:hover {
  opacity: 0.8;
}
.share-platforms {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.share-platform {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
}
.share-platform:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.share-toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-text-primary);
  color: var(--color-accent);
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.share-toast.show {
  opacity: 1;
}
@media (max-width: 768px) {
  .share-panel {
    right: -20px;
    min-width: 260px;
  }
  .detail-title { font-size: 32px; }
}

.detail-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-border-light);
}
.detail-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail-content {
  max-width: var(--content-width);
  margin: 0 auto;
}
.detail-intro {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-8);
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-accent);
}

/* Markdown 内容样式 */
.md-content { line-height: 1.8; }
.md-content .md-h1 { font-size: 32px; font-weight: 800; margin: 1.5em 0 0.5em; }
.md-content .md-h2 { font-size: 24px; font-weight: 700; margin: 1.2em 0 0.4em; }
.md-content .md-h3 { font-size: 18px; font-weight: 700; margin: 1em 0 0.3em; }
.md-content .md-p { font-size: 15px; margin-bottom: 1em; color: var(--color-text-primary); }
.md-content .md-img { max-width: 100%; margin: 1em 0; border: 1px solid var(--color-border-light); }
.md-content .md-link { color: var(--color-accent-dark); text-decoration: underline; }
.md-content .md-inline-code { font-family: var(--font-mono); font-size: 13px; background: var(--color-surface); padding: 2px 6px; border-radius: 2px; }
.md-content .md-code-block { background: var(--color-surface); padding: var(--space-4); overflow-x: auto; border: 1px solid var(--color-border-light); border-radius: var(--radius-md); margin: 1em 0; }
.md-content .md-code-block code { font-family: var(--font-mono); font-size: 13px; }
.md-content .md-quote { border-left: 3px solid var(--color-accent); padding-left: var(--space-4); margin: 1em 0; color: var(--color-text-secondary); }
.md-content .md-ul { margin: 0.5em 0 1em 1.5em; }
.md-content .md-ul li { font-size: 15px; margin-bottom: 0.3em; list-style: disc; }
.md-content .md-video-wrapper { margin: 1.5em 0; }
.md-content .md-video { width: 100%; max-width: 100%; border-radius: var(--radius-md); border: 1px solid var(--color-border-light); display: block; }
.md-content .md-video-caption { font-size: 13px; color: var(--color-text-secondary); text-align: center; margin-top: 0.5em; }
.md-content .md-embed-wrapper { margin: 1.5em 0; }
.md-content .md-embed { width: 100%; aspect-ratio: 16/9; border: none; border-radius: var(--radius-md); display: block; }

/* 截图网格 */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin: var(--space-8) 0;
}
.screenshots-grid img {
  width: 100%;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}

/* 技术栈标签 */
.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0;
}
.tech-stack .tag {
  font-size: 11px;
}

/* 上下导航 */
.prev-next-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}
.prev-next-nav a {
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}
.prev-next-nav a:hover {
  color: var(--color-text-primary);
}
.prev-next-nav .nav-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-disabled);
  display: block;
  margin-bottom: 2px;
}

/* ===== 关于页 ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-12);
  padding: var(--space-8) 0;
  position: relative;
}

.about-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  padding: var(--space-6) 0;
}

.about-left::before {
  content: '';
  position: absolute;
  top: 0;
  left: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--color-accent);
  clip-path: inset(0 0 0 50%);
  opacity: 0.1;
  z-index: 0;
}

.about-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: var(--color-surface);
  position: relative;
  z-index: 1;
}

.about-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-name {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.about-name-en {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: -4px;
}

.about-tags {
  display: inline-flex;
  background: var(--color-text-primary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  align-self: flex-start;
  position: relative;
  z-index: 1;
}

.about-tags .tag-item {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.05em;
}

.about-tags .tag-sep {
  color: var(--color-text-secondary);
  margin: 0 6px;
}

.about-tags-en {
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: -2px;
}

.about-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  position: relative;
  z-index: 1;
}

.about-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.about-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-3);
}

.about-section-title .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.about-section-title .cn {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text-primary);
}

.about-section-title .en {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.about-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border-light);
  margin-left: 8px;
}

.about-section-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.about-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.about-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.about-contact-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.about-contact-item .label {
  color: var(--color-text-secondary);
  min-width: 80px;
}

.about-contact-item .value {
  color: var(--color-text-primary);
}

.about-social {
  display: flex;
  gap: var(--space-3);
}

.about-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
  text-decoration: none;
}

.about-social a:nth-child(odd) {
  background: var(--color-text-primary);
  color: var(--color-bg);
}

.about-social a:nth-child(even) {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.about-social a:hover {
  transform: scale(1.08);
}

/* ===== 404 页面 ===== */
.error-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.error-number {
  font-size: 240px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--color-text-primary);
}
.error-text {
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  text-align: center;
}
.error-btn {
  margin-top: var(--space-8);
  display: flex;
  justify-content: center;
}
.error-deco-dots {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  z-index: 0;
}
.error-deco-crosshair {
  position: absolute;
  opacity: 0.2;
  z-index: 0;
}

/* ===== 空状态 ===== */
.empty-state {
  padding: var(--space-16) 0;
  text-align: center;
  color: var(--color-text-disabled);
  font-size: 14px;
}

/* ===== Reveal 动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 页面专用响应式 ===== */
@media (max-width: 1023px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-6);
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .about-left {
    align-items: center;
    text-align: center;
  }
  .about-left::before {
    display: none;
  }
  .about-avatar {
    width: 140px;
    height: 140px;
  }
  .about-name {
    font-size: 24px;
  }
  .about-tags {
    align-self: center;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: auto;
    height: auto;
    padding: 32px 0 16px;
    align-items: flex-start;
  }
  .hero-inner {
    padding: 0 var(--page-padding-mobile);
  }
  .hero-title {
    font-size: 36px;
    line-height: 1.05;
  }
  .hero-subtitle {
    font-size: 14px;
    margin-top: 8px;
  }
  .hero-deco-circle,
  .hero-deco-circle-2 {
    width: 120px;
    height: 120px;
    right: 16px;
    top: 4%;
    opacity: 0.2;
  }
  .hero-deco-circle-2 {
    transform: translate(30px, 30px);
  }
  .hero-deco-crosshair {
    width: 36px;
    height: 36px;
    bottom: 24px;
    right: 24px;
    opacity: 0.2;
  }
  .hero-scroll {
    display: none;
  }
  .section {
    padding: var(--space-8) 0;
  }
  .section-header {
    margin-bottom: var(--space-5);
  }
  .section-header h2 {
    font-size: 22px;
  }
  .radio-preview {
    flex-wrap: nowrap;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-5);
  }
  .radio-preview-vinyl {
    width: 64px;
    height: 64px;
  }
  .radio-preview-vinyl .vinyl-label {
    width: 20px;
    height: 20px;
  }
  .radio-preview-info {
    min-width: 0;
  }
  .radio-preview-title {
    font-size: 15px;
    line-height: 1.4;
  }
  .radio-preview-sub {
    font-size: 12px;
  }
  .radio-preview-play {
    width: 40px;
    height: 40px;
  }
  .radio-preview-play svg {
    width: 16px;
    height: 16px;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .works-grid {
    grid-template-columns: 1fr;
  }
  .article-item {
    flex-direction: column;
    gap: var(--space-3);
  }
  .article-item-thumb {
    width: 100%;
    height: 180px;
  }
  .detail-title {
    font-size: 32px;
  }
  .screenshots-grid {
    grid-template-columns: 1fr;
  }
  .error-number {
    font-size: 120px;
  }
}

/* ============================================
   第二批修复样式
   ============================================ */

/* ===== 加载更多按钮增强 ===== */
#load-more-wrapper .btn-secondary {
  position: relative;
  overflow: hidden;
}
#load-more-wrapper .btn-secondary::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
#load-more-wrapper .btn-secondary:hover::before {
  transform: scaleX(1);
}

/* ===== 图集详情：底部导航（返回图集 + 上下组） ===== */
.detail-bottom-nav {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}
.detail-bottom-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--color-text-primary);
  color: var(--color-bg);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid var(--color-text-primary);
  transition: all 0.2s;
}
.detail-bottom-back:hover {
  background: var(--color-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
}
.detail-bottom-back .back-arrow {
  font-size: 16px;
  line-height: 1;
}

/* 重置：底部 photo-nav-circles 不再需要 border-top，由 detail-bottom-nav 承担 */
.detail-bottom-nav .photo-nav-circles {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
  width: 100%;
}

/* ===== 图集详情：圆形导航箭头 ===== */
.photo-nav-circles {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
}
.photo-nav-circle {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color 0.2s;
}
.photo-nav-circle:hover {
  color: var(--color-text-primary);
}
.photo-nav-circle .arrow-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.photo-nav-circle:hover .arrow-circle {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.photo-nav-circle .nav-info {
  display: flex;
  flex-direction: column;
}
.photo-nav-circle .nav-label-small {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-disabled);
}
.photo-nav-circle .nav-title-small {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}
.photo-nav-circle.next {
  flex-direction: row-reverse;
  text-align: right;
}

/* ===== 图集详情：相关推荐 ===== */
.related-photos {
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
}
.related-photos-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--space-5);
}
.related-photos-title .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.related-photos-title .cn {
  font-size: 16px;
  font-weight: 700;
}
.related-photos-title .en {
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.related-photos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.related-photo-card {
  display: block;
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: border-color 0.2s;
}
.related-photo-card:hover {
  border-color: var(--color-border);
}
.related-photo-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ===== 文章详情：上下篇导航增强 ===== */
.article-prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border-light);
}
.article-prev-next .pn-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-4);
  border: 1px solid var(--color-border-light);
  transition: all 0.2s;
  text-decoration: none;
  color: var(--color-text-secondary);
}
.article-prev-next .pn-item:hover {
  border-color: var(--color-accent);
  background: rgba(255, 212, 0, 0.03);
}
.article-prev-next .pn-item.next {
  text-align: right;
  align-items: flex-end;
}
.article-prev-next .pn-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-disabled);
}
.article-prev-next .pn-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
}
.article-prev-next .pn-back {
  grid-column: 1 / -1;
  text-align: center;
  border: none;
  padding: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 13px;
}
.article-prev-next .pn-back:hover {
  color: var(--color-accent-dark);
}

/* ===== 作品详情：Hero 左右布局 ===== */
.work-hero {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-10);
  align-items: center;
  margin-bottom: var(--space-10);
}
.work-hero-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.work-hero-right {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}
.work-hero-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.work-hero-title {
  font-size: 36px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.work-hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.work-hero-intro {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-accent);
}
.work-key-data {
  display: flex;
  gap: var(--space-8);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  margin: var(--space-6) 0;
}
.work-key-data .kd-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.work-key-data .kd-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.work-key-data .kd-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text-primary);
}
.work-key-data .kd-value .kd-unit {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

/* ===== 404：同心圆装饰 ===== */
.error-deco-rings {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  pointer-events: none;
}
.error-deco-rings .ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--color-border-light);
  transform: translate(-50%, -50%);
}
.error-deco-rings .ring:nth-child(1) {
  width: 400px;
  height: 400px;
  opacity: 0.4;
}
.error-deco-rings .ring:nth-child(2) {
  width: 300px;
  height: 300px;
  opacity: 0.3;
}
.error-deco-rings .ring:nth-child(3) {
  width: 200px;
  height: 200px;
  opacity: 0.2;
}
.error-deco-rings .ring:nth-child(4) {
  width: 120px;
  height: 120px;
  border-color: var(--color-accent);
  opacity: 0.15;
}

/* ===== 作品详情 Hero 响应式 ===== */
@media (max-width: 1023px) {
  .work-hero {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .related-photos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .work-hero-title {
    font-size: 28px;
  }
  .article-prev-next {
    grid-template-columns: 1fr;
  }
  .article-prev-next .pn-item.next {
    text-align: left;
    align-items: flex-start;
  }
  .related-photos-grid {
    grid-template-columns: 1fr;
  }
  .work-key-data {
    flex-wrap: wrap;
    gap: var(--space-4);
  }
  .photo-nav-circles {
    flex-direction: column;
    gap: var(--space-4);
    align-items: stretch;
  }
  .photo-nav-circle.next {
    flex-direction: row;
    text-align: left;
  }
}

/* ===== 移动端首页专用样式 ===== */
.desktop-only { display: block; }
.mobile-only { display: none; }

@media (max-width: 767px) {
  .desktop-only { display: none !important; }
  .mobile-only { display: block !important; }

  /* 移动端 Hero 居中布局 */
  .hero {
    min-height: auto;
    height: auto;
    padding: 48px 0 32px;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  .hero-inner {
    padding: 0 var(--page-padding-mobile);
    text-align: center;
  }
  .hero-title {
    font-size: 40px;
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-align: center;
    white-space: nowrap;
  }
  .hero-subtitle {
    font-size: 14px;
    margin-top: 12px;
    text-align: center;
    letter-spacing: 0.08em;
  }
  .hero-deco-circle,
  .hero-deco-circle-2 {
    width: 140px;
    height: 140px;
    right: auto;
    left: -40px;
    top: 8%;
    opacity: 0.25;
  }
  .hero-deco-circle-2 {
    width: 90px;
    height: 90px;
    left: -20px;
    top: 14%;
  }
  .hero-deco-crosshair {
    bottom: 24px;
    right: 24px;
    opacity: 0.2;
  }
  .hero-deco-dots {
    opacity: 0.06;
    background-size: 16px 16px;
  }
  .hero-scroll {
    display: none;
  }

  /* 移动端 Section 间距 */
  .section {
    padding: 40px 0;
  }
  #radio-section,
  #gallery-section,
  #articles-section,
  #works-section {
    border-bottom: 1px solid var(--color-border-light);
  }

  /* 移动端栏目标题：● 电台 / 16 首歌 → */
  .section-header-mobile {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
  }
  .msh-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-text-primary);
    border: 2px solid var(--color-accent);
    flex-shrink: 0;
  }
  .msh-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text-primary);
  }
  .msh-count {
    margin-left: auto;
    font-size: 13px;
    color: var(--color-text-secondary);
    font-weight: 500;
  }
  .msh-arrow {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1;
    padding: 0 4px;
  }

  /* ====== 统一移动端卡片样式 ====== */
  /* 电台/图集/文章/作品 所有卡片共用同一套规范：
     横向布局、64px方形圆角缩略图、内容居中、32px圆形箭头 */

  /* --- 电台播放器卡片 --- */
  .radio-player-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    width: 100%;
    box-sizing: border-box;
  }
  .radio-player-vinyl {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
  }
  .radio-player-vinyl .vinyl-grooves {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: repeating-radial-gradient(
      circle at center,
      transparent 0, transparent 2px,
      #2A2A2A 3px, #2A2A2A 3px
    );
  }
  .radio-player-vinyl .vinyl-label {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-accent);
    position: relative;
    z-index: 2;
  }
  .radio-player-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
  }
  .radio-player-tag {
    align-self: flex-start;
    background: var(--color-accent);
    color: var(--color-text-primary);
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.05em;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
  }
  .radio-player-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .radio-player-artist {
    font-size: 12px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .radio-player-progress {
    display: none;
  }
  .radio-player-play {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 1px solid var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    flex-shrink: 0;
    margin-left: auto;
  }
  .radio-player-play svg {
    width: 14px;
    height: 14px;
  }

  /* --- 文章列表：方形缩略图，与其他卡片统一 --- */
  .article-list .article-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    position: relative;
  }
  .article-list .article-item + .article-item {
    margin-top: 10px;
  }
  .article-list .article-item:first-child {
    padding-left: 16px;
    border-top: 1px solid var(--color-border-light);
  }
  .article-list .article-item:first-child::before {
    display: none;
  }
  .article-list .article-item:hover {
    padding-left: 16px;
  }
  .article-list .article-item-thumb {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    flex-shrink: 0;
  }
  .article-list .article-item-thumb img {
    border-radius: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .article-list .article-item-body {
    flex: 1;
    min-width: 0;
    justify-content: center;
  }
  .article-list .article-item-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .article-list .article-item-meta {
    font-size: 11px;
    margin-bottom: 0;
  }
  .article-list .article-item-excerpt {
    display: none;
  }
  .article-list .article-item::after {
    display: none;
  }
  .article-item-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 14px;
    flex-shrink: 0;
    align-self: center;
  }

  /* --- 作品列表：与文章/图集统一 --- */
  #works-preview {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  #works-preview .work-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
  }
  #works-preview .work-card-image {
    width: 64px;
    height: 64px;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    overflow: hidden;
  }
  #works-preview .work-card-body {
    flex: 1;
    min-width: 0;
    padding: 0;
  }
  #works-preview .work-card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #works-preview .work-card-type {
    font-size: 11px;
    margin-bottom: 4px;
  }
  #works-preview .work-card-intro {
    display: none;
  }
  #works-preview .work-card-tags {
    gap: 4px;
  }
  #works-preview .work-card-tags .tag {
    font-size: 9px;
    padding: 2px 5px;
  }
  #works-preview .work-card::after {
    content: '\2192';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 14px;
    flex-shrink: 0;
  }

  /* --- 图集列表：从3列网格改为横向卡片，与其他卡片统一 --- */
  #gallery-preview {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  #gallery-preview .gallery-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-white);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
  }
  #gallery-preview .gallery-card-image {
    width: 64px;
    height: 64px;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
    overflow: hidden;
  }
  #gallery-preview .gallery-card-body {
    flex: 1;
    min-width: 0;
    padding: 0;
  }
  #gallery-preview .gallery-card-title {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #gallery-preview .gallery-card-meta {
    font-size: 11px;
    display: flex;
    gap: 6px;
    align-items: center;
    margin-top: 2px;
  }
  #gallery-preview .gallery-card::after {
    content: '\2192';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 14px;
    flex-shrink: 0;
  }

  /* --- 移动端 Footer 简化 --- */
  .site-footer {
    padding: 32px 0;
  }
  .site-footer-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-brand-block {
    justify-content: center;
  }
  .footer-center {
    display: none;
  }
  .footer-right {
    align-items: center;
    flex-direction: row;
    justify-content: center;
    gap: 16px;
  }
  .footer-dots {
    display: none;
  }
  .beian-bar {
    padding: 12px var(--page-padding-mobile);
    font-size: 10px;
  }
}