* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
    color: #333;
    min-height: 100vh;
}

/* 顶部导航 */
.header {
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #ede9fe;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
/* 导航栏Logo图片自适应，不会溢出容器 */
.header-logo-img {
    height: 36px; /* 和文字logo高度统一，按需调整 */
    width: auto;
    max-width: 120px; /* 最大宽度限制，防止大图撑破导航 */
    object-fit: contain;
    vertical-align: middle;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #7c6cff, #a78bfa);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #7c6cff, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-submit {
    padding: 8px 16px;
    border: 1px solid #ddd6fe;
    background: #f5f3ff;
    color: #6d28d9;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
}

.btn-submit:hover {
    background: #ede9fe;
}

.theme-toggle {
    display: flex;
    background: #f5f3ff;
    border-radius: 20px;
    padding: 2px;
}

.theme-btn {
    border: none;
    background: transparent;
    padding: 6px 12px;
    border-radius: 18px;
    cursor: pointer;
    font-size: 13px;
    color: #666;
}

.theme-btn.active {
    background: #fff;
    color: #6d28d9;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.login-btn {
    padding: 8px 16px;
    background: linear-gradient(135deg, #7c6cff, #a78bfa);
    color: #fff;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
}

/* 按钮通用 */
.btn-primary {
    background: linear-gradient(135deg, #7c6cff, #a78bfa);
    color: #fff;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(124, 108, 255, 0.3);
}

.btn-outline {
    background: #fff;
    color: #6d28d9;
    border: 1px solid #ddd6fe;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.btn-outline:hover {
    background: #f5f3ff;
}

.btn-block {
    width: 100%;
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 30px 20px;
    color: #999;
    font-size: 13px;
    border-top: 1px solid #f0edff;
    margin-top: 40px;
}

.footer-tip {
    margin: 8px 0;
    font-size: 12px;
}

.footer-email {
    color: #6d28d9;
}


/* 用户下拉菜单 */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f5f3ff;
    border: 1px solid #ddd6fe;
    border-radius: 20px;
    color: #6d28d9;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.user-btn:hover {
    background: #ede9fe;
}

.user-avatar {
    font-size: 16px;
}

.arrow {
    font-size: 12px;
    margin-left: 4px;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border: 1px solid #f0edff;
    overflow: hidden;
    display: none;
    z-index: 999;
}

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

.dropdown-item {
    padding: 10px 16px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    transition: background 0.2s;
}

.dropdown-item:hover {
    background: #f9f8ff;
    color: #6d28d9;
}

.dropdown-divider {
    height: 1px;
    background: #f0edff;
    margin: 4px 0;
}
/* ===== 暗色模式样式 ===== */
body.dark {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    color: #e0e0e0;
}

/* 顶部导航暗色 */
body.dark .header {
    background: rgba(22, 33, 62, 0.9);
    border-bottom-color: #2d3a5f;
}

body.dark .logo-text {
    background: linear-gradient(135deg, #a78bfa, #c4b5fd);
    -webkit-background-clip: text;
}

/* 按钮暗色 */
body.dark .btn-submit {
    background: #1e1b4b;
    border-color: #4c1d95;
    color: #c4b5fd;
}

body.dark .theme-toggle {
    background: #1e1b4b;
}

body.dark .theme-btn {
    color: #94a3b8;
}

body.dark .theme-btn.active {
    background: #312e81;
    color: #c4b5fd;
}

/* 用户下拉菜单暗色 */
body.dark .user-btn {
    background: #1e1b4b;
    border-color: #4c1d95;
    color: #c4b5fd;
}

body.dark .dropdown-menu {
    background: #1e1b4b;
    border-color: #4c1d95;
}

body.dark .dropdown-item {
    color: #e0e0e0;
}

body.dark .dropdown-item:hover {
    background: #312e81;
    color: #c4b5fd;
}

/* 弹窗暗色 */
body.dark .modal-content {
    background: #1e1b4b;
    color: #e0e0e0;
}

body.dark .form-input {
    background: #312e81;
    border-color: #4c1d95;
    color: #e0e0e0;
}

body.dark .tab-item {
    color: #94a3b8;
}

body.dark .tab-item.active {
    background: #312e81;
    color: #c4b5fd;
}

/* 网盘类型按钮暗色 */
body.dark .pan-type-btn {
    background: #312e81;
    border-color: #4c1d95;
    color: #c4b5fd;
}

body.dark .pan-type-btn.active {
    background: linear-gradient(135deg, #7c3aed, #a78bfa);
    color: #fff;
}
.hot-search-box {
    margin: 30px auto;
    max-width: 900px;
}
.hot-search-box h3 {
    font-size: 18px;
    margin-bottom: 16px;
    color: #333;
}
.hot-key-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}
.hot-tag {
    padding: 6px 18px;
    background: #f5f3ff;
    color: #7c3aed;
    border-radius: 20px;
    text-decoration: none;
    transition: 0.2s;
}
.hot-tag:hover {
    background: #7c3aed;
    color: #fff;
}
body.dark .hot-tag {
    background: #312e81;
    color: #c4b5fd;
}
body.dark .hot-tag:hover {
    background: #7c3aed;
    color: #fff;
}
.res-title-link {
    color: #333;
    text-decoration: none;
}
.res-title-link:hover {
    color: #7c3aed;
    text-decoration: underline;
}
body.dark .res-title-link {
    color: #e0e0e0;
}
body.dark .res-title-link:hover {
    color: #a78bfa;
}

/* 全站适配*/
/* ===================== 响应式：平板及以下 (≤768px) ===================== */
@media screen and (max-width: 768px) {
  /* 导航栏 */
  .header-inner {
    height: 56px;
    padding: 0 15px;
  }
  /* Logo适配 */
  .logo-text {
    font-size: 18px;
  }
  .header-logo-img {
    height: 32px;
    max-width: 100px;
  }
  /* 导航右侧区域 */
  .header-right {
    gap: 10px;
  }
  /* 提交资源按钮 */
  .btn-submit {
    padding: 6px 12px;
    font-size: 14px;
    border-radius: 18px;
  }
  /* 主题切换 */
  .theme-toggle {
    border-radius: 18px;
  }
  .theme-btn {
    padding: 5px 10px;
    font-size: 12px;
    border-radius: 16px;
  }
  /* 用户按钮 */
  .user-btn {
    padding: 6px 12px;
    font-size: 13px;
    border-radius: 18px;
    gap: 6px;
  }
  .user-avatar {
    font-size: 14px;
  }
  /* 用户下拉菜单 */
  .dropdown-menu {
    min-width: 120px;
    right: 0;
    top: calc(100% + 6px);
    border-radius: 10px;
  }
  .dropdown-item {
    padding: 8px 14px;
    font-size: 13px;
  }

  /* 通用按钮 */
  .btn-primary {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 10px;
  }
  .btn-outline {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: 8px;
  }

  /* 弹窗通用适配 */
  .modal-content {
    width: 90vw !important;
    max-width: 420px;
    margin: 0 20px;
  }
  .form-input {
    padding: 10px 14px;
    font-size: 14px;
  }
  .form-group label {
    font-size: 14px;
  }

  /* 页脚 */
  .footer {
    padding: 24px 15px;
    font-size: 12px;
  }
}


/* ===================== 响应式：手机端 (≤480px) ===================== */
@media screen and (max-width: 480px) {
  /* 导航栏进一步紧凑 */
  .header-inner {
    height: 52px;
    padding: 0 12px;
  }
  .header-right {
    gap: 8px;
  }
  /* 提交按钮精简 */
  .btn-submit {
    padding: 5px 10px;
    font-size: 14px;
  }
  /* 主题切换适配 */
  .theme-btn {
    padding: 5px 8px;
    font-size: 12px;
  }
  /* 用户按钮精简 */
  .user-btn {
    padding: 5px 10px;
    font-size: 12px;
  }
  .user-avatar {
    font-size: 13px;
  }

  /* 弹窗进一步适配 */
  .modal-content {
    max-width: 92vw;
    padding: 0 15px;
  }
  .modal-header {
    padding: 16px 0;
  }
  .modal-header h3 {
    font-size: 16px;
  }
}