/* ========================================
   搞钱 (gao-qian.com) — 全局样式
   CSS变量 + 公共组件 + 布局
   ======================================== */

/* --- CSS 变量 --- */
:root {
    --gq-primary: #ff6b35;
    --gq-primary-end: #ffb347;
    --gq-primary-hover: #e55a2b;
    --gq-gradient: linear-gradient(135deg, #ff6b35, #ffb347);
    --gq-gradient-hover: linear-gradient(135deg, #e55a2b, #ff9a1f);
    --gq-gradient-red: linear-gradient(135deg, #ff416c, #ff4b2b);
    --gq-gradient-blue: linear-gradient(135deg, #667eea, #764ba2);
    --gq-gradient-green: linear-gradient(135deg, #11998e, #38ef7d);
    --gq-accent: #667eea;
    --gq-secondary: #6c757d;
    --gq-success: #198754;
    --gq-danger: #dc3545;
    --gq-warning: #ffc107;
    --gq-info: #0dcaf0;
    --gq-dark: #212529;
    --gq-light: #f8f9fa;
    --gq-body-bg: #f5f6fa;
    --gq-card-bg: #ffffff;
    --gq-text: #333333;
    --gq-text-muted: #6c757d;
    --gq-border: #e9ecef;
    --gq-radius: 0.75rem;
    --gq-radius-lg: 1rem;
    --gq-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    --gq-shadow-hover: 0 8px 25px rgba(255, 107, 53, 0.2);
    --gq-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --gq-transition: all 0.3s ease;
}

/* --- 全局基础 --- */
html, body {
    height: 100%;
}
body {
    font-family: var(--gq-font);
    font-size: 14px;
    background-color: var(--gq-body-bg);
    color: var(--gq-text);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}
main {
    flex: 1 0 auto;
}

a {
    color: var(--gq-primary);
    text-decoration: none;
    transition: var(--gq-transition);
}
a:hover {
    color: var(--gq-primary-hover);
}

/* --- 全局工具类 --- */
/* 标签类字号统一 12px */
.badge { font-size: 12px; }
.badge-xs { font-size: 10px; }
small, .small { font-size: 12px; }
.gradient-text {
    background: var(--gq-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.gradient-bg {
    background: var(--gq-gradient);
}
.gradient-border-line {
    height: 3px;
    background: var(--gq-gradient);
    border-radius: 2px;
}

/* --- 导航栏（深色半透明 + 极光粒子背景 + 渐变装饰） --- */
.navbar-gq {
    background: rgba(33, 37, 41, 0.55) !important;
    position: relative;
    overflow: visible;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}
.navbar-gq .container {
    position: relative;
    z-index: 1;
}
.navbar-gq::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gq-gradient);
}
.navbar-gq .navbar-brand {
    padding: 0;
}
.navbar-gq .navbar-brand img {
    height: 48px;
    width: auto;
}
.navbar-gq .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--gq-transition);
}
.navbar-gq .nav-link:hover,
.navbar-gq .nav-link.active {
    color: #fff !important;
}
.navbar-gq .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 3px;
    background: var(--gq-gradient);
    border-radius: 3px 3px 0 0;
}
.navbar-gq .nav-link.btn-login {
    position: relative;
    border-radius: 40px;
    height: 40px;
    padding: 0 20px;
    line-height: 40px;
    color: var(--gq-primary);
}
.navbar-gq .nav-link.btn-login:hover {
    opacity: 0.8;
}
.navbar-gq .btn-login {
    background: var(--gq-gradient);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.35rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}
.navbar-gq .btn-login:hover {
    background: var(--gq-gradient-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}
/* 移除手机端汉堡菜单和关闭按钮的粗 outline */
.navbar-toggler:focus,
.navbar-toggler:active,
.btn-close:focus,
.btn-close:active {
    outline: none !important;
    box-shadow: none !important;
}
/* 搜索框（PC端药丸型） */
.navbar-search {
    width: 240px;
}
.navbar-search .input-group {
    height: 40px;
}
.navbar-search .form-control {
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-right: none;
    border-radius: 40px;
    color: #fff;
    font-size: 0.875rem;
    padding-left: 1rem;
}
.navbar-search .form-control::placeholder {
    color: rgba(255, 255, 255, 0.45);
}
.navbar-search:hover .form-control,
.navbar-search .form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--gq-primary);
    box-shadow: none;
    color: #fff;
}
.navbar-search .btn {
    height: 40px;
    width: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-left: none;
    border-radius: 0 40px 40px 0;
    color: rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: var(--gq-transition);
}
.navbar-search:hover .navbar-search .btn,
.navbar-search .btn:hover {
    background: var(--gq-primary);
    border-color: var(--gq-primary);
    color: #fff;
}

/* --- 项目卡片 --- */
.project-card {
    background: var(--gq-card-bg);
    border: 1px solid var(--gq-border);
    border-radius: 5px;
    overflow: hidden;
    transition: var(--gq-transition);
    height: 100%;
    box-shadow: none;
}
.project-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: rgba(255, 107, 53, 0.2);
}
.project-card .card-img-top {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}
.project-card .card-img-default {
    background: #f5f5f5;
    object-fit: contain;
    padding: 20px;
}
.project-card .card-body {
    padding: 1rem;
}
.project-card .card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.project-card .card-text {
    font-size: 0.85rem;
    color: var(--gq-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.project-card .card-footer {
    background: transparent;
    border-top: 2px solid transparent;
    border-image: var(--gq-gradient) 1;
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--gq-text-muted);
}

/* 分类渐变 badge */
.badge-category-red {
    background: var(--gq-gradient-red);
    color: #fff;
    border-radius: 1rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
}
.badge-category-blue {
    background: var(--gq-gradient-blue);
    color: #fff;
    border-radius: 1rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
}
.badge-completeness {
    background: var(--gq-gradient-green);
    color: #fff;
    border-radius: 1rem;
    padding: 0.2rem 0.6rem;
    font-size: 0.7rem;
    font-weight: 600;
}

/* --- 收藏按钮 --- */
.btn-favorite {
    background: none;
    border: none;
    color: var(--gq-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--gq-transition);
    padding: 0.25rem;
}
.btn-favorite:hover {
    color: var(--gq-danger);
    transform: scale(1.2);
}
.btn-favorite.active {
    color: var(--gq-danger);
    animation: heartBounce 0.4s ease;
}
@keyframes heartBounce {
    0%   { transform: scale(1); }
    30%  { transform: scale(1.35); }
    60%  { transform: scale(0.9); }
    100% { transform: scale(1); }
}

/* --- 筛选标签 --- */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}
.filter-tabs .filter-tab {
    background: var(--gq-card-bg);
    border: 1px solid var(--gq-border);
    border-radius: 2rem;
    padding: 0.4rem 1.1rem;
    font-size: 0.875rem;
    color: var(--gq-text);
    transition: var(--gq-transition);
    cursor: pointer;
    text-decoration: none;
}
.filter-tabs .filter-tab:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.15);
    border-color: var(--gq-primary);
    color: var(--gq-primary);
}
.filter-tabs .filter-tab.active {
    background: var(--gq-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 3px 10px rgba(255, 107, 53, 0.3);
}

/* --- 充值卡片 --- */
.recharge-card {
    background: var(--gq-card-bg);
    border: 2px solid var(--gq-border);
    border-radius: var(--gq-radius-lg);
    padding: .75rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--gq-transition);
    position: relative;
    overflow: hidden;
}
.recharge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gq-gradient);
    opacity: 0;
    transition: var(--gq-transition);
}
.recharge-card:hover {
    border-color: var(--gq-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15), 0 6px 20px rgba(255, 107, 53, 0.2);
    transform: translateY(-3px);
}
.recharge-card:hover::before {
    opacity: 1;
}
.recharge-card.selected {
    border-color: var(--gq-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15), 0 6px 20px rgba(255, 107, 53, 0.15);
}
.recharge-card.selected::before {
    opacity: 1;
}
.recharge-card .points-amount {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gq-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.recharge-card .points-bonus {
    font-size: 1rem;
    font-weight: 600;
    color: #10b981;
    -webkit-text-fill-color: #10b981;
    background: none;
}
.recharge-card .price {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gq-text);
}

/* --- 支付方式选择卡片 --- */
.pay-channel-card {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem;
    border: 2px solid var(--gq-border);
    border-radius: var(--gq-radius);
    cursor: pointer;
    transition: var(--gq-transition);
    background: var(--gq-card-bg);
    user-select: none;
    position: relative;
    flex: 1;
    min-width: 0;
    max-width: 200px;
}
.pay-channel-card:hover {
    border-color: var(--gq-primary);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.12);
}
.pay-channel-card.selected {
    border-color: var(--gq-primary);
    background: rgba(255, 107, 53, 0.05);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}
.pay-channel-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}
.pay-channel-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gq-text);
    white-space: nowrap;
}
.pay-channel-check {
    margin-left: auto;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: var(--gq-gradient);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.5);
    transition: var(--gq-transition);
    flex-shrink: 0;
}
.pay-channel-card.selected .pay-channel-check {
    opacity: 1;
    transform: scale(1);
}

/* --- 用户中心 --- */
.user-sidebar .nav-link {
    color: var(--gq-text);
    padding: 0.6rem 1rem;
    border-radius: var(--gq-radius);
}
.user-sidebar .nav-link:hover,
.user-sidebar .nav-link.active {
    background: rgba(255, 107, 53, 0.1);
    color: var(--gq-primary);
}
.user-stat-card {
    background: var(--gq-card-bg);
    border-radius: var(--gq-radius-lg);
    padding: 1.25rem;
    text-align: center;
    transition: var(--gq-transition);
    box-shadow: var(--gq-shadow);
    border: 1px solid var(--gq-border);
    position: relative;
    overflow: hidden;
}
.user-stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gq-gradient);
    opacity: 0;
    transition: var(--gq-transition);
}
.user-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--gq-shadow-hover);
}
.user-stat-card:hover::after {
    opacity: 1;
}
.user-stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gq-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.user-stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--gq-text-muted);
}
/* 用户头像渐变光环 */
.avatar-gradient-ring {
    display: inline-block;
    padding: 3px;
    background: var(--gq-gradient);
    border-radius: 50%;
}
.avatar-gradient-ring img {
    border-radius: 50%;
    border: 2px solid #fff;
    display: block;
}
/* VIP 等级徽章 */
.badge-vip {
    background: var(--gq-gradient);
    color: #fff;
    border-radius: 1rem;
    padding: 0.15rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

/* --- 解锁遮罩 --- */
.unlock-overlay {
    position: relative;
}
.lock-mask {
    filter: blur(4px);
    user-select: none;
    pointer-events: none;
    opacity: 0.6;
}
.unlock-btn-wrap {
    text-align: center;
    padding: 1rem 0;
}
/* --- 解锁按钮 --- */
.unlock-btn-wrap .btn-unlock {
    background: var(--gq-gradient);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.5rem 2rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(255, 107, 53, 0.3);
}
.unlock-btn-wrap .btn-unlock:hover {
    background: var(--gq-gradient-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
}

/* --- 解锁内容表格（AI生成） --- */
.project-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}
.project-detail-content th,
.project-detail-content td {
    border: 1px solid var(--gq-border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}
.project-detail-content th {
    background: rgba(255, 107, 53, 0.08);
    font-weight: 600;
}

/* --- 评论区 --- */
.comment-item {
    border-bottom: 1px solid var(--gq-border);
    padding: 1rem 0;
}
.comment-item:last-child {
    border-bottom: none;
}
.comment-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

/* --- 底部（深色半透明 + 极光粒子背景） ---*/
.site-footer {
    background: rgba(33, 37, 41, 0.55);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    padding: 2rem 0;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}
.site-footer > .container {
    position: relative;
    z-index: 1;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gq-gradient);
}
.site-footer h6 {
    color: #fff;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--gq-transition);
}
.site-footer a:hover {
    background: var(--gq-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer-brand img {
    height: 80px;
    width: auto;
}
/* 底部版权栏：每个条目不断行，放不下整体换行 */
.footer-copyright {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.25rem 0.5rem;
}
.footer-copy-item {
    white-space: nowrap;
}
.footer-copy-sep {
    color: rgba(255,255,255,0.3);
}
/* 手机端底部三栏标题字体缩小 */
.footer-col-title {
    font-size: 0.85rem;
}

.about-logo {
    width: 80%;
    max-width: 300px;
}

/* --- 面包屑 --- */
.breadcrumb-gq {
    background: transparent;
    padding: 0;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

/* --- 通用卡片 --- */
.card-gq {
    background: var(--gq-card-bg);
    border: 1px solid var(--gq-border);
    border-radius: var(--gq-radius-lg);
    box-shadow: var(--gq-shadow);
}

/* --- 按钮主题 --- */
.btn-primary-gq {
    background: var(--gq-gradient);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.4rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}
.btn-primary-gq:hover {
    background: var(--gq-gradient-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}
.btn-gradient {
    background: var(--gq-gradient);
    border: none;
    color: #fff;
    border-radius: var(--gq-radius);
    padding: 0.4rem 1.25rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.25);
}
.btn-gradient:hover {
    background: var(--gq-gradient-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
}

/* --- 分页 --- */
.pagination .page-link {
    color: var(--gq-text);
    border-color: var(--gq-border);
    border-radius: 5px !important;
    margin: 0 5px;
}
.pagination .page-item.active .page-link {
    background: var(--gq-gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
}

/* --- 空状态 --- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--gq-text-muted);
}
.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

/* --- 标签 --- */
.badge-gq {
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 1rem;
    padding: 0.2rem 0.65rem;
}

/* --- 页面标题 --- */
.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}
.page-title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--gq-gradient);
    border-radius: 2px;
}

/* --- 表单 --- */
.form-control:focus,
.form-select:focus {
    border-color: var(--gq-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 53, 0.12), 0 0 0 0.05rem rgba(255, 179, 71, 0.2);
}


/* ===================== 导航栏未读角标 ===================== */
.navbar-unread-badge {
    position: absolute;
    top: 0;
    right: -4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    font-size: 0.7rem;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    background-color: #dc3545;
    border-radius: 9px;
    pointer-events: none;
}

/* ===================== 图片懒加载淡入效果 ===================== */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.4s ease-in;
}
img[loading="lazy"].lazy-loaded {
    opacity: 1;
}

/* ===================== 图片点击放大 ===================== */
.img-zoomable {
    cursor: zoom-in;
}
.lightbox-modal .modal-body {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.9);
    min-height: 80vh;
}
.lightbox-modal .modal-body img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}
.lightbox-modal .modal-header {
    z-index: 10;
}

/* --- 搜索高亮 --- */
.search-highlight {
    background-color: #fff3cd;
    padding: 0 2px;
    border-radius: 2px;
}

/* ===================== 后台侧边栏渐变风格 ===================== */
.admin-sidebar .nav-link.active {
    color: #fff;
    background: rgba(255, 107, 53, 0.2);
    border-left: 3px solid;
    border-image: var(--gq-gradient) 1;
    padding-left: calc(1rem - 3px);
}
.admin-sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255, 107, 53, 0.1);
}
.admin-stat-card {
    position: relative;
    overflow: hidden;
}
.admin-stat-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gq-gradient);
}
/* 仪表盘图表容器统一高度 */
.chart-body-fixed {
    height: 400px;
    position: relative;
}
/* 仪表盘饼图容器高度与折线图对齐 */
.chart-body-pie {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    overflow: hidden;
}

/* ===================== 登录页渐变装饰 ===================== */
.login-card {
    border: none;
    border-radius: var(--gq-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}
.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--gq-gradient);
}
.login-brand {
    font-weight: 800;
    font-size: 1.75rem;
}
.login-brand img {
    height: 54px;
    width: auto;
    vertical-align: middle;
    margin-right: 0.4rem;
}
.btn-login-wechat {
    background: var(--gq-gradient-green);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(17, 153, 142, 0.3);
}
.btn-login-wechat:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(17, 153, 142, 0.4);
    color: #fff;
}
.btn-login-qq {
    background: var(--gq-gradient-blue);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(102, 126, 234, 0.3);
}
.btn-login-qq:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.4);
    color: #fff;
}
.btn-login-weibo {
    background: var(--gq-gradient-red);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(255, 65, 108, 0.3);
}
.btn-login-weibo:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 65, 108, 0.4);
    color: #fff;
}
.btn-login-alipay {
    background: linear-gradient(135deg, #1677ff, #00a0e9);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(22, 119, 255, 0.3);
}
.btn-login-alipay:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(22, 119, 255, 0.4);
    color: #fff;
}
.btn-login-email {
    background: var(--gq-gradient);
    border: none;
    color: #fff;
    border-radius: 2rem;
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    transition: var(--gq-transition);
    box-shadow: 0 3px 12px rgba(255, 107, 53, 0.3);
}
.btn-login-email:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(255, 107, 53, 0.4);
    color: #fff;
}
.btn-login-email:disabled {
    opacity: 0.65;
}
/* 登录卡片内边距（PC 端；小屏在 responsive.css 中收窄） */
.login-card-body {
    padding: 3rem;
}
/* 邮箱登录分隔线 */
.login-divider {
    display: flex;
    align-items: center;
    color: var(--bs-secondary-color, #6c757d);
    font-size: 0.8125rem;
}
.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e9ecef;
}
.login-divider span {
    padding: 0 0.75rem;
    white-space: nowrap;
}

/* ===================== 侧边栏 offcanvas 渐变装饰 ===================== */
.offcanvas-mobile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gq-gradient);
}
/* offcanvas header 高度与顶部导航栏一致（48px品牌图 + 上下 8px padding = 64px）*/
.offcanvas-mobile .offcanvas-header {
    min-height: 64px;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

/* ===================== 评论排序标签 ===================== */
.comment-sort-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--gq-border);
}
.comment-sort-item {
    padding: 6px 14px;
    font-size: 0.875rem;
    color: var(--gq-text-muted);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}
.comment-sort-item:hover {
    color: var(--gq-primary);
}
.comment-sort-item.active {
    color: var(--gq-primary);
    border-bottom-color: var(--gq-primary);
    font-weight: 600;
}

/* ===================== 新评论淡入动画 ===================== */
@keyframes commentFadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}
.comment-fadein {
    animation: commentFadeIn 0.3s ease-out;
}

/* ===================== 静态页面公共样式 ===================== */
.static-page { line-height: 1.9; }
.static-page h5 { margin-top: 1.5rem; margin-bottom: 0.75rem; }
.static-page ul { padding-left: 1.5rem; margin-bottom: 1rem; }
.static-page .highlight-box { background: linear-gradient(135deg, #fff8f3, #fffcf0); border: 1px solid rgba(255, 107, 53, 0.15); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
.static-page .step-number { display: inline-flex; align-items: center; justify-content: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--gq-gradient); color: #fff; font-weight: 700; font-size: 0.9rem; margin-right: 0.5rem; flex-shrink: 0; }

/* ===================== 通用工具类 ===================== */
.qr-img-hidden { display: none; }
.progress-xs { height: 6px; }
.invite-icon-lg { font-size: 2rem; }
.text-truncate-200 { max-width: 200px; }
.text-truncate-80pct { max-width: 80%; }

/* ===================== 后台侧边栏 ===================== */
.admin-sidebar { min-height: 100vh; background: #212529; max-width: 260px; width: 260px; }
.admin-sidebar .nav-link { color: #adb5bd; padding: 0.6rem 1rem; border-left: 3px solid transparent; transition: all 0.2s ease; }
.admin-sidebar .nav-link:hover { color: #fff; background: rgba(255, 107, 53, 0.1); }
.admin-sidebar .nav-link.active { color: #fff; background: rgba(255, 107, 53, 0.2); border-left-color: #ff6b35; }
.admin-sidebar .nav-link .bi { margin-right: 0.5rem; }
.admin-sidebar h5 img { height: 36px; width: auto; vertical-align: middle; margin-right: 0.4rem; }
.admin-header { background: #fff; border-bottom: 1px solid #dee2e6; }

/* ===================== 极光粒子场组件（Aurora Field）— 导航/页脚背景 ===================== */
.aurora-field-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
    .aurora-field-canvas { opacity: 0.3; }
}