/* ============================================
   婷婷技能市场 - 科技感深色主题
   ============================================ */

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* CSS 变量 */
:root {
  --bg-primary: #060818;
  --bg-secondary: #0d1124;
  --bg-card: rgba(20, 25, 50, 0.6);
  --bg-card-hover: rgba(30, 35, 70, 0.8);
  --border-glow: rgba(0, 212, 255, 0.2);
  --border-glow-hover: rgba(0, 212, 255, 0.5);
  --text-primary: #e8ecf4;
  --text-secondary: #8892b0;
  --text-muted: #4a5568;
  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-pink: #ec4899;
  --accent-green: #10d9a0;
  --accent-orange: #f59e0b;
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
  --gradient-success: linear-gradient(135deg, #10d9a0 0%, #00d4ff 100%);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
  --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.3);
  --radius: 16px;
  --radius-sm: 10px;
}

/* 全局重置 */
* { margin: 0; padding: 0; box-sizing: border-box; }
*::selection { background: rgba(0, 212, 255, 0.3); color: #fff; }

/* html 设置 overflow-x 防水平滚动（不可放 body，否则移动端 position:fixed 失效，客服悬浮按钮会随滚动消失） */
html { overflow-x: hidden; }

body {
  font-family: 'Noto Sans SC', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  position: relative;
  /* 长英文串（如 AtomSkill/MemoryPlugin 等）在窄屏自动断行，防止撑宽容器导致横向滑动 */
  overflow-wrap: break-word;
  word-break: break-word;
}

/* 网格背景 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* 光晕装饰 */
body::after {
  content: '';
  position: fixed;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { text-decoration: none; color: inherit; }
button { font-family: inherit; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: rgba(0, 212, 255, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.5); }

/* 导航栏 */
#navbar {
  background: rgba(6, 8, 24, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glow);
  position: sticky; top: 0; z-index: 1000;
}
.nav-container {
  max-width: 1280px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 20px; font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 14px; color: var(--text-secondary);
  transition: all 0.3s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent-cyan);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--accent-cyan); }
.nav-links a:hover::after { width: 100%; }
.nav-register {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  padding: 8px 20px; border-radius: 8px;
  -webkit-text-fill-color: #fff !important;
}
.nav-register::after { display: none; }
.nav-register:hover { box-shadow: 0 0 20px rgba(0, 212, 255, 0.4); }
.nav-logout { color: var(--accent-pink) !important; }

/* 汉堡菜单按钮（桌面隐藏，移动端显示） */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent; border: 1px solid var(--border-glow);
  border-radius: 8px; color: var(--text-primary);
  font-size: 20px; cursor: pointer;
  align-items: center; justify-content: center;
  transition: all 0.3s; flex-shrink: 0;
}
.nav-toggle:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.nav-toggle:active { transform: scale(0.95); }

/* 容器 */
.container { max-width: 1280px; margin: 0 auto; padding: 32px 24px; position: relative; z-index: 1; }

/* Hero 区域 */
.hero {
  text-align: center; padding: 48px 0 32px;
  position: relative; z-index: 1;
}
.hero h1 {
  font-family: 'Orbitron', sans-serif;
  font-size: 42px; font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 12px; letter-spacing: 3px;
}
.hero p { font-size: 16px; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.hero-stats {
  display: flex; justify-content: center; gap: 48px; margin-top: 32px;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-family: 'Orbitron', sans-serif;
  font-size: 32px; font-weight: 700; color: var(--accent-cyan);
}
.hero-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* 筛选栏 */
.filter-bar {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 28px;
  display: flex; gap: 16px; flex-wrap: wrap; align-items: center;
}
.filter-bar select, .filter-bar input {
  background: rgba(6, 8, 24, 0.6);
  border: 1px solid rgba(0, 212, 255, 0.15);
  color: var(--text-primary);
  padding: 10px 16px; border-radius: var(--radius-sm);
  font-size: 14px; outline: none; transition: all 0.3s;
}
.filter-bar select:focus, .filter-bar input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.filter-bar input { flex: 1; min-width: 200px; }
.filter-bar select { cursor: pointer; }
.filter-bar select option { background: var(--bg-secondary); }
.filter-bar button {
  background: var(--gradient-primary);
  color: #fff; border: none;
  padding: 10px 24px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: all 0.3s;
}
.filter-bar button:hover { box-shadow: 0 0 20px rgba(0, 212, 255, 0.4); transform: translateY(-1px); }

/* 技能卡片网格 */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.skill-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.skill-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary);
  opacity: 0; transition: opacity 0.3s;
}
.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow-hover);
  box-shadow: var(--shadow-glow-strong);
}
.skill-card:hover::before { opacity: 1; }
.skill-card-header {
  padding: 20px; position: relative; overflow: hidden;
}
.skill-card-header::after {
  content: ''; position: absolute; top: -50%; right: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, var(--card-glow, rgba(0,212,255,0.15)) 0%, transparent 60%);
}
.skill-card-icon { font-size: 36px; margin-bottom: 8px; position: relative; z-index: 1; }
.skill-card-category {
  font-size: 11px; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 1px; position: relative; z-index: 1;
}
.skill-card-body { padding: 16px 20px; }
.skill-card-name {
  font-size: 17px; font-weight: 600; margin-bottom: 6px; color: var(--text-primary);
}
.skill-card-desc {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
  height: 42px; overflow: hidden;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.skill-card-footer {
  padding: 14px 20px; border-top: 1px solid rgba(0, 212, 255, 0.08);
  display: flex; justify-content: space-between; align-items: center;
}
.skill-card-price { font-size: 16px; font-weight: 700; }
.skill-card-price.free { color: var(--accent-green); }
.skill-card-price.paid { color: var(--accent-orange); }
.skill-card-stats { font-size: 12px; color: var(--text-muted); display: flex; gap: 8px; align-items: center; }
.skill-card-version {
  background: rgba(0, 212, 255, 0.1); color: var(--accent-cyan);
  padding: 2px 8px; border-radius: 4px; font-size: 11px;
}

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 36px; }
.pagination button {
  padding: 8px 16px; border: 1px solid var(--border-glow);
  background: var(--bg-card); backdrop-filter: blur(10px);
  color: var(--text-secondary); border-radius: 8px; cursor: pointer;
  font-size: 14px; transition: all 0.3s;
}
.pagination button:hover:not(:disabled) {
  background: var(--gradient-primary); color: #fff; border-color: transparent;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}
.pagination button:disabled { opacity: 0.3; cursor: not-allowed; }
.pagination button.active {
  background: var(--gradient-primary); color: #fff; border-color: transparent;
}

/* 技能详情 */
.skill-detail {
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-glow);
}
.skill-detail-header {
  padding: 40px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(0,212,255,0.1) 0%, rgba(124,58,237,0.1) 100%);
  border-bottom: 1px solid var(--border-glow);
}
.skill-detail-header::after {
  content: ''; position: absolute; top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,212,255,0.1) 0%, transparent 70%);
}
.skill-detail-body { padding: 32px 40px; }
.skill-detail-info {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px; margin: 24px 0;
}
.info-item {
  background: rgba(6, 8, 24, 0.5); border: 1px solid rgba(0, 212, 255, 0.1);
  padding: 16px; border-radius: var(--radius-sm);
}
.info-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 1px; }
.info-value { font-size: 16px; font-weight: 600; color: var(--text-primary); }

/* 按钮 */
.btn {
  display: inline-block; padding: 12px 28px; border: none;
  border-radius: var(--radius-sm); font-size: 15px; font-weight: 500;
  cursor: pointer; transition: all 0.3s; text-align: center;
}
.btn-primary { background: var(--gradient-primary); color: #fff; }
.btn-primary:hover { box-shadow: 0 0 25px rgba(0, 212, 255, 0.4); transform: translateY(-2px); }
.btn-success { background: var(--gradient-success); color: #fff; }
.btn-success:hover { box-shadow: 0 0 25px rgba(16, 217, 160, 0.4); transform: translateY(-2px); }
.btn-outline {
  background: transparent; color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
}
.btn-outline:hover { background: rgba(0, 212, 255, 0.1); }
.btn-large { padding: 14px 36px; font-size: 16px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* 表单卡片 */
.form-card {
  max-width: 440px; margin: 40px auto;
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow); border-radius: var(--radius);
  padding: 36px 32px; box-shadow: var(--shadow-glow);
  position: relative; z-index: 1;
}
.form-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px; font-weight: 700; text-align: center;
  margin-bottom: 24px;
  background: var(--gradient-primary);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: 2px;
}
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 13px; color: var(--text-secondary); margin-bottom: 5px; }
.form-input {
  width: 100%; padding: 10px 14px;
  background: rgba(6, 8, 24, 0.6);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 14px; outline: none;
  transition: all 0.3s;
}
.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.form-input::placeholder { color: var(--text-muted); }
.form-btn { width: 100%; padding: 11px; font-size: 15px; margin-top: 4px; }
.form-footer { text-align: center; margin-top: 16px; font-size: 14px; color: var(--text-secondary); }
.form-footer a { color: var(--accent-cyan); }
.form-error {
  background: rgba(236, 72, 153, 0.1); border: 1px solid rgba(236, 72, 153, 0.3);
  color: var(--accent-pink); padding: 12px 16px; border-radius: var(--radius-sm);
  margin-bottom: 20px; font-size: 14px; text-align: center;
}
.form-success {
  background: rgba(16, 217, 160, 0.1); border: 1px solid rgba(16, 217, 160, 0.3);
  color: var(--accent-green); padding: 12px 16px; border-radius: var(--radius-sm);
  margin-bottom: 20px; font-size: 14px; text-align: center;
}

/* 个人中心 */
.profile-header {
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow); border-radius: var(--radius);
  padding: 32px; margin-bottom: 24px;
  display: flex; align-items: center; gap: 24px;
  box-shadow: var(--shadow-glow);
}
.profile-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: var(--gradient-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; font-weight: 700; color: #fff;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  flex-shrink: 0;
}
.profile-info h2 { font-size: 24px; margin-bottom: 4px; }
.profile-info p { color: var(--text-secondary); font-size: 14px; }
.profile-tier {
  display: inline-block; background: var(--gradient-primary);
  color: #fff; padding: 4px 14px; border-radius: 6px;
  font-size: 12px; margin-top: 10px; font-weight: 500;
}

/* 标签页 */
.tabs {
  display: flex; gap: 4px; margin-bottom: 24px;
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius); padding: 6px;
}
.tab {
  padding: 10px 24px; border: none; background: none;
  cursor: pointer; border-radius: 8px; font-size: 14px;
  color: var(--text-secondary); transition: all 0.3s;
}
.tab.active { background: var(--gradient-primary); color: #fff; }
.tab:hover:not(.active) { color: var(--accent-cyan); }

/* 列表项 */
.list-item {
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-sm); padding: 18px 22px;
  margin-bottom: 12px; display: flex; justify-content: space-between;
  align-items: center; transition: all 0.3s;
}
.list-item:hover { border-color: var(--border-glow-hover); transform: translateX(4px); }
.list-item-info h4 { font-size: 15px; margin-bottom: 4px; color: var(--text-primary); }
.list-item-info p { font-size: 13px; color: var(--text-secondary); }
.list-item-badge { padding: 4px 12px; border-radius: 6px; font-size: 12px; font-weight: 500; }
.badge-active { background: rgba(16, 217, 160, 0.15); color: var(--accent-green); }
.badge-expired { background: rgba(236, 72, 153, 0.15); color: var(--accent-pink); }
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--accent-orange); }

/* 空状态 */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-muted); }
.empty-state-icon { font-size: 56px; margin-bottom: 20px; opacity: 0.5; }
.empty-state-text { font-size: 16px; }

/* 加载状态 */
.loading {
  text-align: center; padding: 60px; color: var(--text-secondary);
  font-size: 15px;
}
.loading::after {
  content: ''; display: inline-block; width: 20px; height: 20px;
  border: 2px solid rgba(0, 212, 255, 0.2); border-top-color: var(--accent-cyan);
  border-radius: 50%; animation: spin 0.8s linear infinite;
  margin-left: 10px; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 渐入动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.5s ease-out forwards; }

/* 资料编辑表单 */
.edit-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.edit-form .full { grid-column: 1 / -1; }

/* ===== 页脚 ===== */
.home-footer {
  padding: 48px 24px 32px;
  border-top: 1px solid var(--border-glow);
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto 32px;
}
.footer-brand h3 {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color 0.3s;
  text-decoration: none;
}
.footer-col a:hover { color: var(--accent-cyan); }
.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-glow);
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
}
/* 备案/许可证信息 */
.footer-icp {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  line-height: 1.8;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 14px;
}
.footer-icp a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-icp a:hover {
  color: var(--accent-cyan);
}
.footer-icp-divider {
  opacity: 0.4;
}

/* ====================================================
   响应式（移动端适配）
   断点：≤1024px 平板（导航折叠），≤768px 手机（组件纵向），≤480px 小手机
   ==================================================== */

/* 平板及以下：导航折叠为汉堡菜单（7个链接+用户名在 768-1024px 会溢出） */
@media (max-width: 1024px) {
  .nav-container { padding: 0 16px; position: relative; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(6, 8, 24, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glow);
    padding: 8px 16px 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  }
  .nav-links.nav-open { display: flex; }
  .nav-links a {
    font-size: 14px;
    padding: 12px 8px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.08);
    width: 100%;
  }
  .nav-links a::after { display: none; }
  .nav-links a:hover { background: rgba(0, 212, 255, 0.06); }
  .nav-register { margin-top: 8px; text-align: center; }
}

/* 手机：组件纵向排布 + 触摸优化 */
@media (max-width: 768px) {
  /* Hero 区域缩小 */
  .hero { padding: 32px 0 24px; }
  .hero h1 { font-size: 28px; letter-spacing: 1px; }
  .hero p { font-size: 14px; padding: 0 16px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 26px; }

  /* 容器与网格 */
  .container { padding: 24px 16px; }
  .skill-grid { grid-template-columns: 1fr; }

  /* 筛选栏纵向 */
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar input { min-width: 0; }

  /* 技能详情缩小内边距 */
  .skill-detail-header { padding: 24px 20px; }
  .skill-detail-body { padding: 24px 20px; }

  /* 个人中心纵向 */
  .profile-header { flex-direction: column; text-align: center; gap: 16px; padding: 24px 20px; }
  .profile-avatar { width: 72px; height: 72px; font-size: 30px; }

  /* 资料编辑表单单列 */
  .edit-form { grid-template-columns: 1fr; }

  /* 表单卡片外边距适配 */
  .form-card { margin: 24px 16px; padding: 28px 20px; }

  /* 页脚：品牌独占一行，3个链接列横排（更紧凑美观） */
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
  .footer-brand { grid-column: 1 / -1; padding-bottom: 16px; border-bottom: 1px solid var(--border-glow); }
  .home-footer { padding: 32px 16px 24px; }

  /* 标签页允许横向滚动 */
  .tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .tab { white-space: nowrap; padding: 10px 18px; }

  /* 列表项纵向 */
  .list-item { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* 弹窗自适应（通用 class，forum/post 页面弹窗共用） */
  .modal { width: min(600px, 92vw); max-height: 85vh; }
  .modal-body { padding: 20px 16px; }

  /* 按钮触摸友好（最小44px触摸目标） */
  .btn { padding: 12px 24px; min-height: 44px; }
  .btn-large { padding: 14px 28px; min-height: 48px; }
  .form-btn { min-height: 44px; }

  /* 表单输入触摸友好 */
  .form-input, .filter-bar select, .filter-bar input { min-height: 44px; font-size: 15px; }
  .pagination button { min-height: 40px; min-width: 40px; padding: 8px 14px; }
}

/* 小手机：进一步压缩，确保单列可用 */
@media (max-width: 480px) {
  .nav-logo { font-size: 18px; letter-spacing: 1px; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 13px; }
  .hero-stats { gap: 16px; }
  .hero-stat-num { font-size: 22px; }
  .hero-stat-label { font-size: 11px; }
  .container { padding: 20px 12px; }
  .form-card { margin: 16px 12px; padding: 24px 16px; }
  .form-title { font-size: 20px; }
  .skill-detail-header { padding: 20px 16px; }
  .skill-detail-body { padding: 20px 14px; }
  .skill-card-header { padding: 16px; }
  .skill-card-body { padding: 12px 16px; }
  .profile-avatar { width: 64px; height: 64px; font-size: 26px; }
  .footer-icp { font-size: 11px; gap: 4px 10px; }
  /* 小屏页脚链接列改 2 列，避免单字过窄 */
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .btn { padding: 11px 20px; font-size: 14px; }
  /* 帖子详情/论坛容器内边距压缩 */
  .post-detail-container, .forum-container { padding: 20px 12px !important; }
  .post-detail-card, .reply-form-section { padding: 20px 14px !important; }
}

/* 触摸设备：禁用 hover 效果，避免点击后悬留 */
@media (hover: none) and (pointer: coarse) {
  .skill-card:hover { transform: none; box-shadow: none; }
  .btn-primary:hover, .btn-success:hover { transform: none; box-shadow: none; }
  .list-item:hover { transform: none; }
  .nav-links a:hover { background: transparent; }
  .nav-register:hover { box-shadow: none; }
}

/* 安全区适配（刘海屏/底部横条） */
@supports (padding: env(safe-area-inset-bottom)) {
  .home-footer { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
  #navbar { padding-top: env(safe-area-inset-top); }
}