/* ============================================================
   招投标信息服务平台 - gxzyzb 模板样式
   基于 Bootstrap 5 的覆盖和增强样式
   版本：v20260710-2
   ============================================================ */

/* ===== 全局变量 ===== */
:root {
    --primary: #165DFF;
    --primary-darker: #0b3fcc;
    --primary-light: #e8f0ff;
    --primary-lighter: #f3f7ff;
    --primary-dark: #0E42D2;
    --accent: #FF7D00;
    --accent-light: #FFF7EE;
    --accent-dark: #e67000;
    --success: #00B42A;
    --danger: #F53F3F;
    --dark: #1D2129;
    --gray-50: #F7F8FA;
    --gray-100: #F2F3F5;
    --gray-200: #E5E6EB;
    --gray-300: #C9CDD4;
    --gray-400: #A8ADB7;
    --gray-500: #86909C;
    --gray-600: #6B7483;
    --gray-700: #4E5969;
    --gray-800: #353C48;
    --gray-900: #1D2129;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 6px 24px rgba(22, 93, 255, 0.12);
    --transition-fast: 0.15s ease;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础 ===== */
body {
    background: linear-gradient(180deg, #f0f3f7 0%, #f5f6f8 180px, #f5f6f8 100%);
    color: var(--gray-900);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", sans-serif;
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--gray-900);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary);
}

/* ===== 页面宽度容器 ===== */
.page-wrap {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ===== 顶部工具栏 ===== */
.header-topbar {
    background: linear-gradient(135deg, #f0f3f8 0%, #f7f8fa 50%, #eef1f6 100%);
    font-size: 13px;
    color: var(--gray-500);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.topbar-welcome {
    color: var(--gray-700);
    font-size: 13px;
    font-weight: 500;
}

.topbar-welcome i {
    color: var(--accent);
    font-size: 14px;
}

.topbar-link {
    font-size: 12px;
    color: var(--gray-500);
    text-decoration: none;
    transition: var(--transition);
    padding: 3px 8px;
    border-radius: 4px;
}

.topbar-link:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.topbar-link i {
    font-size: 11px;
    opacity: 0.7;
}

.topbar-time {
    font-size: 12px;
    color: var(--gray-500);
    letter-spacing: 0.3px;
}

/* ===== 网站头部 ===== */
.header-main {
    position: relative;
    background: linear-gradient(180deg, #ffffff 0%, #fdfdfd 100%);
    border-bottom: 1px solid rgba(22, 93, 255, 0.06);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.logo-icon {
    font-size: 40px;
    color: var(--primary);
    filter: drop-shadow(0 2px 4px rgba(22, 93, 255, 0.2));
    transition: var(--transition);
}

a:hover .logo-icon {
    transform: scale(1.08);
    filter: drop-shadow(0 4px 8px rgba(22, 93, 255, 0.3));
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

a:hover .logo-text {
    opacity: 0.85;
}

/* 热门关键词 */
.keyword-box {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.kw-title {
    flex-shrink: 0;
    font-size: 13px;
    color: var(--gray-600);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding-top: 5px;
    font-weight: 500;
}

.kw-title i {
    color: var(--danger);
    font-size: 13px;
    animation: flamePulse 1.8s ease-in-out infinite;
}

@keyframes flamePulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.75;
    }
}

.kw-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.kw-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    font-size: 12px;
    color: var(--gray-600);
    background: var(--gray-100);
    border-radius: 14px;
    white-space: nowrap;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
    font-weight: 500;
}

.kw-tag:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff !important;
    border-color: transparent;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.3);
}

/* ===== 主导航 ===== */
.main-nav {
    background: linear-gradient(135deg, #1a5cf5 0%, var(--primary) 30%, var(--primary-dark) 100%) !important;
    box-shadow: 0 2px 12px rgba(22, 93, 255, 0.25);
    position: relative;
    z-index: 100;
}

.main-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent) 0%, rgba(255, 125, 0, 0.4) 50%, transparent 100%);
}

.main-nav .nav-link {
    color: rgba(255, 255, 255, 0.88) !important;
    padding: 14px 22px !important;
    font-size: 15px;
    letter-spacing: 0.4px;
    transition: var(--transition);
    white-space: nowrap;
    border-radius: 6px;
    margin: 0 2px;
    font-weight: 500;
    position: relative;
}

.main-nav .nav-link i {
    margin-right: 6px;
    font-size: 13px;
    transition: var(--transition);
}

.main-nav .nav-link:hover {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.main-nav .nav-link:hover i {
    transform: scale(1.15);
}

.main-nav .nav-link.active {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.22);
    font-weight: 700 !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ===== 搜索栏 ===== */
.search-bar {
    background: #fff;
    border: 2px solid rgba(22, 93, 255, 0.15) !important;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.search-bar:focus-within {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 4px rgba(22, 93, 255, 0.08), var(--shadow-sm);
}

.search-bar .form-select,
.search-bar .form-control {
    height: 46px;
    border-color: var(--gray-200);
    font-size: 14px;
    border-radius: 8px;
    transition: var(--transition);
}

.search-bar .form-select:focus,
.search-bar .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.08);
}

.search-bar .btn-primary {
    height: 46px;
    padding: 0 28px;
    font-weight: 600;
    font-size: 15px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: 8px;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.search-bar .btn-primary:hover {
    background: linear-gradient(135deg, #1a5cf5 0%, var(--primary-darker) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(22, 93, 255, 0.35);
}

/* ===== 板块卡片公共样式 ===== */
.section-card,
section.border,
.border.rounded-3:not(.search-bar):not(.friend-link) {
    background: #fff;
    border: 1px solid var(--gray-200) !important;
    box-shadow: var(--shadow-xs);
    transition: var(--transition);
    overflow: hidden;
}

/* 卡片头部 */
section.border>.border-bottom,
.section-card>.border-bottom,
aside.border>.border-bottom,
.friend-link>.border-bottom {
    background: linear-gradient(180deg, #fafbfc 0%, #f5f7fa 100%);
    border-bottom: 1px solid rgba(22, 93, 255, 0.08) !important;
}

/* ===== 通用标题 accent 左竖条 ===== */
.card-title-accent {
    position: relative;
    padding: 14px 0;
    line-height: 1.4;
    font-weight: 700 !important;
}

.card-title-accent::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, var(--accent) 0%, #ff9a40 100%);
    border-radius: 3px;
    box-shadow: 0 1px 3px rgba(255, 125, 0, 0.25);
}

/* ===== 快速导航 ===== */
.quick-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.qn-item {
    display: inline-flex;
    align-items: center;
    padding: 5px 16px;
    font-size: 13px;
    color: var(--gray-700);
    background: var(--gray-50);
    border-radius: 20px;
    white-space: nowrap;
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.qn-item:hover {
    color: var(--primary) !important;
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(22, 93, 255, 0.12);
    transform: translateY(-2px);
}

.qn-item--hot {
    color: var(--primary) !important;
    font-weight: 600;
    background: var(--primary-lighter);
    border-color: rgba(22, 93, 255, 0.25);
}

.qn-item--hot::before {
    content: '\f02b';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: 5px;
    font-size: 10px;
    color: var(--accent);
    transition: var(--transition);
}

.qn-item--hot:hover {
    color: #fff !important;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(22, 93, 255, 0.3);
}

.qn-item--hot:hover::before {
    color: #fff;
}

/* ===== 新闻列表 ===== */
.news-list {
    padding: 0;
    margin: 0;
}

.news-list li {
    padding: 11px 16px;
    border-bottom: 1px solid var(--gray-50);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    transition: var(--transition-fast);
    position: relative;
}

.news-list li:hover {
    background: var(--primary-lighter);
}

.news-list li:hover .news-link {
    color: var(--primary);
}

.news-list li:last-child {
    border-bottom: none;
}

.news-link {
    flex: 1;
    font-size: 14px;
    color: var(--gray-700);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.6;
    font-weight: 500;
    transition: var(--transition-fast);
}

.news-link::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: middle;
    opacity: 0.45;
    transition: var(--transition);
}

.news-list li:hover .news-link::before {
    opacity: 1;
    background: var(--accent);
    box-shadow: 0 0 0 2px rgba(255, 125, 0, 0.2);
}

.news-link:hover {
    color: var(--primary);
}

.news-list .date {
    flex-shrink: 0;
    font-size: 12px;
    color: var(--gray-400);
    letter-spacing: 0.2px;
    transition: var(--transition);
}

.news-list li:hover .date {
    color: var(--gray-500);
}

/* ===== 排行列表 ===== */
.rank-list {
    padding: 0;
    counter-reset: rank;
}

.rank-list .list-group-item {
    border: none;
    border-bottom: 1px solid var(--gray-50);
    padding: 11px 16px 11px 44px;
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    counter-increment: rank;
    position: relative;
    background: transparent;
}

.rank-list .list-group-item:hover {
    color: var(--primary);
    background: var(--primary-lighter);
    padding-left: 48px;
}

.rank-list .list-group-item:last-child {
    border-bottom: none;
}

/* 覆盖 Bootstrap 默认编号 */
.rank-list.list-group-numbered>.list-group-item::before {
    content: counter(rank);
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 700;
    background: var(--gray-100);
    color: var(--gray-400);
    transition: var(--transition);
}

.rank-list .list-group-item:hover::before {
    background: var(--primary) !important;
    color: #fff !important;
    box-shadow: 0 2px 8px rgba(22, 93, 255, 0.35) !important;
}

/* 前三名特殊色 */
.rank-list .list-group-item:nth-child(1)::before {
    background: linear-gradient(135deg, #f5a623, #ff7a00);
    color: #fff;
    font-size: 13px;
    box-shadow: 0 2px 8px rgba(245, 166, 35, 0.35);
}

.rank-list .list-group-item:nth-child(2)::before {
    background: linear-gradient(135deg, #8e9aaf, #5c6b7e);
    color: #fff;
    font-size: 13px;
    box-shadow: 0 2px 8px rgba(92, 107, 126, 0.3);
}

.rank-list .list-group-item:nth-child(3)::before {
    background: linear-gradient(135deg, #c99050, #a66830);
    color: #fff;
    font-size: 13px;
    box-shadow: 0 2px 8px rgba(166, 104, 48, 0.3);
}

/* 更多按钮 */
.more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--gray-400);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    transition: var(--transition);
    text-decoration: none;
    margin-right: 4px;
    flex-shrink: 0;
}

.more-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: rotate(90deg);
    box-shadow: 0 3px 10px rgba(22, 93, 255, 0.3);
}

/* ===== 侧边栏 ===== */
aside.border {
    border-color: var(--gray-200) !important;
    box-shadow: var(--shadow-xs);
    background: #fff;
}

aside.border>.border-bottom {
    background: linear-gradient(180deg, #fafbfc 0%, #f3f5f9 100%);
    border-bottom: 1px solid rgba(22, 93, 255, 0.06) !important;
}

/* 侧边栏标题 */
.sidebar-title {
    position: relative;
    height: 42px;
}

.radius-icon {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, #ffb366 100%);
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    box-shadow: 0 0 0 3px rgba(255, 125, 0, 0.12);
    animation: dotPulse 2.5s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        box-shadow: 0 0 0 3px rgba(255, 125, 0, 0.12);
    }

    50% {
        box-shadow: 0 0 0 7px rgba(255, 125, 0, 0.04);
    }
}

/* 本周排行卡片头部特殊美化 */
.list-group-numbered.rank-list+.border-bottom {
    background: linear-gradient(180deg, #fafbfc 0%, #f3f5f9 100%);
}

/* 排行头部 bg-primary 美化 */
.bg-primary.text-white {
    background: linear-gradient(135deg, #1a5cf5 0%, var(--primary) 30%, var(--primary-dark) 100%) !important;
    position: relative;
    overflow: hidden;
}

.bg-primary.text-white::after {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

/* ===== 底部导航 ===== */
.footer-nav {
    border-top: 1px solid var(--gray-200);
    background: linear-gradient(180deg, #fafbfd 0%, #f5f7fa 100%);
}

.footer-nav .nav {
    gap: 6px;
}

.footer-nav .nav a {
    color: var(--gray-600);
    padding: 7px 18px;
    font-size: 14px;
    border-radius: 6px;
    transition: var(--transition);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.footer-nav .nav a i {
    font-size: 11px;
    transition: var(--transition);
}

.footer-nav .nav a:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.footer-nav .nav a:hover i {
    transform: translateX(2px);
}

/* ===== 底部版权 ===== */
.footer {
    color: var(--gray-500);
    font-size: 13px;
    background: linear-gradient(180deg, #f3f5f9 0%, #eef0f4 100%);
    border-top: 1px solid var(--gray-200);
}

/* ===== 面包屑导航 ===== */
.breadcrumb-nav {
    font-size: 14px;
    color: var(--gray-500);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.breadcrumb-nav a {
    color: var(--gray-600);
    padding: 2px 2px;
    border-radius: 4px;
    transition: var(--transition-fast);
    font-weight: 500;
}

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

.breadcrumb-nav span:last-child {
    color: var(--gray-900);
    font-weight: 600;
}

/* ===== 页面标题 ===== */
.page-title {
    font-size: clamp(1.4rem, 2.5vw, 1.8rem);
    font-weight: 700;
    color: var(--gray-900);
}

/* ===== 详情页样式 ===== */
.detail-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 34px 38px;
    margin-bottom: 24px;
    border: 1px solid var(--gray-200);
}

.detail-card .detail-title {
    font-size: 1.55rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
    line-height: 1.55;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--primary-light);
    position: relative;
}

.detail-card .detail-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-bottom: 22px;
    padding: 14px 18px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--gray-600);
}

.detail-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-meta-item i {
    color: var(--primary);
    opacity: 0.7;
    font-size: 13px;
}

.detail-body {
    line-height: 1.9;
    font-size: 15px;
    color: var(--gray-800);
}

.detail-body h2 {
    font-size: 1.3rem;
    margin: 28px 0 16px;
    padding: 8px 0 10px 14px;
    border-left: 4px solid var(--accent);
    background: linear-gradient(90deg, var(--accent-light) 0%, transparent 100%);
    border-radius: 0 4px 4px 0;
    border-bottom: none;
    font-weight: 700;
    color: var(--gray-900);
}

.detail-body h3 {
    font-size: 1.1rem;
    margin: 22px 0 12px;
    font-weight: 600;
    color: var(--gray-800);
}

.detail-body p {
    margin-bottom: 14px;
}

.detail-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

.detail-body table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.detail-actions {
    display: flex;
    gap: 8px;
}

.detail-actions .btn {
    border-radius: 6px;
    transition: var(--transition);
    font-size: 13px;
}

.detail-actions .btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
}

/* ===== 搜索结果卡片 ===== */
.result-item {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 22px 24px;
    margin-bottom: 16px;
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--gray-200);
    transition: var(--transition);
}

.result-item:hover {
    border-left-color: var(--accent);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.result-item .result-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.55;
}

.result-item .result-title a {
    color: var(--gray-900);
    transition: var(--transition-fast);
}

.result-item .result-title a:hover {
    color: var(--primary);
}

.result-item .result-meta {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.result-meta span i {
    color: var(--primary);
    opacity: 0.5;
    font-size: 11px;
}

.result-item .result-summary {
    font-size: 14px;
    color: var(--gray-600);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.7;
}

/* ===== 搜索摘要 ===== */
.search-summary {
    font-size: 15px;
    color: var(--gray-700);
    margin-bottom: 20px;
    background: #fff;
    padding: 14px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xs);
}

.search-highlight {
    color: var(--danger);
    font-weight: 600;
    background: #fff5f5;
    padding: 1px 6px;
    border-radius: 3px;
}

/* ===== 搜索页面标题图标 ===== */
.bg-primary.text-white.rounded-circle {
    background: linear-gradient(135deg, #1a5cf5 0%, var(--primary-dark) 100%) !important;
    box-shadow: 0 2px 8px rgba(22, 93, 255, 0.3);
}

/* ===== 分页 ===== */
.pagination-wrap {
    display: flex;
    justify-content: center;
    margin-top: 32px;
}

.pagination-wrap .pagination {
    gap: 4px;
}

.pagination-wrap .page-link {
    border-radius: 6px !important;
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    padding: 8px 14px;
    font-size: 14px;
    transition: var(--transition);
    font-weight: 500;
}

.pagination-wrap .page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
    z-index: 0;
}

.pagination-wrap .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 2px 8px rgba(22, 93, 255, 0.3);
}

.pagination-wrap .page-item.disabled .page-link {
    color: var(--gray-300);
    background: var(--gray-50);
}

/* ===== 友情链接 ===== */
.friend-link {
    border-color: var(--gray-200) !important;
    box-shadow: var(--shadow-xs);
    background: #fff;
    margin-bottom: 32px;
}

.friend-link .link {
    padding: 14px 18px;
}

.friend-link .link a {
    display: inline-block;
    padding: 5px 16px;
    margin: 3px 5px;
    font-size: 13px;
    color: var(--gray-600);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    transition: var(--transition);
    font-weight: 500;
}

.friend-link .link a:hover {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
}

/* ===== 辅助类 ===== */
.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ===== 响应式 ===== */

/* =================== 小桌面 / 大平板：992px - 1199px =================== */
@media (max-width: 1199px) {
    .main-nav .nav-link {
        padding: 12px 16px !important;
        font-size: 14px;
    }

    .detail-card {
        padding: 28px 24px;
    }
}

/* =================== 平板：768px - 991px =================== */
@media (max-width: 991px) {
    .page-wrap {
        padding: 0 16px;
    }

    /* Logo */
    .logo-icon {
        font-size: 32px;
    }

    .logo-text {
        font-size: 20px;
    }

    /* 导航 — 缩小 padding，保持一行 */
    .main-nav .nav-link {
        padding: 10px 13px !important;
        font-size: 13px;
    }

    .main-nav .nav-link i {
        margin-right: 4px;
        font-size: 11px;
    }

    /* 搜索栏 */
    .search-bar {
        padding: 12px !important;
    }

    .search-bar .form-select,
    .search-bar .form-control,
    .search-bar .btn-primary {
        height: 42px;
        font-size: 13px;
    }

    .search-bar .btn-primary {
        padding: 0 20px;
    }

    /* 快速导航 */
    .qn-item {
        padding: 4px 13px;
        font-size: 12px;
    }

    /* 新闻列表 */
    .news-link {
        font-size: 13px;
    }

    .news-list .date {
        font-size: 11px;
    }

    /* 排行 */
    .rank-list .list-group-item {
        padding: 9px 12px 9px 40px;
        font-size: 13px;
    }

    /* 详情页 */
    .detail-card {
        padding: 24px 22px;
    }

    .detail-meta {
        gap: 14px;
    }

    /* 搜索结果 */
    .result-item {
        padding: 18px 20px;
    }
}

/* =================== 大屏手机 / 小平板：576px - 767px =================== */
@media (max-width: 767px) {
    .page-wrap {
        padding: 0 14px;
    }

    /* Header — Logo 全宽居中，关键词下移居中 */
    .logo-icon {
        font-size: 26px;
    }

    .logo-text {
        font-size: 17px;
    }

    .keyword-box {
        justify-content: center;
        padding: 6px 0;
    }

    .kw-tags {
        justify-content: center;
    }

    .kw-tag {
        padding: 2px 10px;
        font-size: 11px;
    }

    .kw-title {
        font-size: 12px;
    }

    /* 主导航 — 横向滚动，隐藏滚动条 */
    .main-nav {
        margin-bottom: 12px !important;
    }

    .main-nav .nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .main-nav .nav::-webkit-scrollbar {
        display: none;
    }

    .main-nav .nav-link {
        padding: 10px 12px !important;
        font-size: 13px;
        flex-shrink: 0;
    }

    .main-nav .nav-link i {
        margin-right: 4px;
        font-size: 11px;
    }

    /* 搜索栏 */
    .search-bar {
        padding: 12px !important;
        border-radius: 10px !important;
    }

    .search-bar .form-select,
    .search-bar .form-control {
        height: 40px;
        font-size: 13px;
    }

    .search-bar .btn-primary {
        height: 40px;
        font-size: 14px;
    }

    /* 快速导航 */
    .quick-nav {
        gap: 6px;
    }

    .qn-item {
        padding: 4px 11px;
        font-size: 12px;
        border-radius: 16px;
    }

    /* 新闻列表 */
    .news-list li {
        padding: 9px 12px;
    }

    .news-link {
        font-size: 13px;
    }

    .news-link::before {
        width: 5px;
        height: 5px;
        margin-right: 8px;
    }

    .news-list .date {
        font-size: 11px;
    }

    /* 排行 */
    .rank-list .list-group-item {
        padding: 9px 12px 9px 38px;
        font-size: 13px;
    }

    .rank-list.list-group-numbered>.list-group-item::before {
        width: 22px;
        height: 22px;
        line-height: 22px;
        font-size: 11px;
        left: 8px;
    }

    /* 侧边栏标题 */
    .sidebar-title {
        height: 40px;
    }

    .sidebar-title h3 {
        font-size: 0.95rem !important;
    }

    /* 详情页 */
    .detail-card {
        padding: 20px 16px;
        border-radius: var(--radius);
    }

    .detail-card .detail-title {
        font-size: 1.25rem;
        padding-bottom: 14px;
    }

    .detail-meta {
        padding: 10px 14px;
        gap: 10px;
        font-size: 13px;
    }

    .detail-body {
        font-size: 14px;
    }

    .detail-body h2 {
        font-size: 1.1rem;
        margin: 20px 0 12px;
    }

    /* 搜索结果 */
    .result-item {
        padding: 16px 18px;
        border-radius: var(--radius);
        border-left-width: 3px;
    }

    .result-item .result-title {
        font-size: 15px;
    }

    .result-item .result-summary {
        font-size: 13px;
    }

    .result-meta {
        font-size: 12px;
        gap: 10px;
    }

    /* 搜索摘要 */
    .search-summary {
        padding: 12px 16px;
        font-size: 14px;
    }

    /* 面包屑 */
    .breadcrumb-nav {
        font-size: 13px;
    }

    /* 页脚导航 */
    .footer-nav .nav {
        gap: 4px;
    }

    .footer-nav .nav a {
        padding: 5px 12px;
        font-size: 13px;
    }

    /* 友情链接 */
    .friend-link .link a {
        padding: 4px 12px;
        font-size: 12px;
        margin: 2px 3px;
    }

    /* 分页 */
    .pagination-wrap {
        margin-top: 24px;
    }

    .pagination-wrap .page-link {
        padding: 7px 11px;
        font-size: 13px;
    }

    /* 卡片标题 */
    .card-title-accent {
        padding: 12px 0;
    }
}

/* =================== 小屏手机：<= 575px =================== */
@media (max-width: 575px) {
    .page-wrap {
        padding: 0 10px;
    }

    /* 顶部工具栏 */
    .topbar-welcome {
        font-size: 12px;
    }

    .topbar-time {
        font-size: 11px;
    }

    /* Logo */
    .logo-icon {
        font-size: 22px;
    }

    .logo-text {
        font-size: 15px;
    }

    /* 关键词 */
    .keyword-box {
        gap: 4px;
        padding: 4px 0 6px;
    }

    .kw-tags {
        gap: 4px;
    }

    .kw-tag {
        padding: 2px 8px;
        font-size: 10px;
        border-radius: 12px;
    }

    .kw-title {
        font-size: 11px;
    }

    /* 主导航 */
    .main-nav .nav-link {
        padding: 8px 10px !important;
        font-size: 12px;
    }

    .main-nav .nav-link i {
        margin-right: 2px;
        font-size: 10px;
    }

    /* 搜索栏 */
    .search-bar {
        padding: 10px !important;
        border-radius: 8px !important;
    }

    .search-bar .row {
        --bs-gutter-y: 8px;
    }

    .search-bar .btn-primary {
        width: 100%;
        height: 38px;
        font-size: 14px;
    }

    .search-bar .form-select,
    .search-bar .form-control {
        height: 38px;
        font-size: 13px;
    }

    /* 快速导航 */
    .quick-nav {
        gap: 5px;
    }

    .qn-item {
        padding: 3px 9px;
        font-size: 11px;
        border-radius: 14px;
    }

    /* 新闻列表 — 日期换行 */
    .news-list li {
        padding: 8px 10px;
        flex-direction: column;
        align-items: flex-start;
        gap: 3px;
    }

    .news-link {
        font-size: 12px;
        white-space: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .news-list .date {
        font-size: 10px;
        align-self: flex-end;
    }

    /* 排行 */
    .rank-list .list-group-item {
        padding: 8px 10px 8px 34px;
        font-size: 12px;
    }

    .rank-list.list-group-numbered>.list-group-item::before {
        width: 20px;
        height: 20px;
        line-height: 20px;
        font-size: 10px;
        left: 6px;
    }

    .bg-primary.text-white.ps-4.py-3 {
        padding-left: 14px !important;
        padding-top: 10px !important;
        padding-bottom: 10px !important;
    }

    .bg-primary.text-white .fw-bold.fs-4 {
        font-size: 1.15rem !important;
    }

    .bg-primary.text-white .fs-6.mt-1 {
        font-size: 0.8rem !important;
    }

    /* 侧边栏 */
    .sidebar-title {
        height: 36px;
    }

    .sidebar-title h3 {
        font-size: 0.9rem !important;
    }

    .radius-icon {
        width: 7px;
        height: 7px;
        left: 10px;
    }

    /* 详情页 */
    .detail-card {
        padding: 14px 12px;
        border-radius: var(--radius-sm);
    }

    .detail-card .detail-title {
        font-size: 1.1rem;
        padding-bottom: 10px;
    }

    .detail-meta {
        flex-direction: column;
        gap: 6px;
        font-size: 12px;
        padding: 8px 12px;
        border-radius: 6px;
    }

    .detail-body {
        font-size: 13px;
    }

    .detail-body h2 {
        font-size: 1rem;
        padding: 6px 0 8px 10px;
        border-left-width: 3px;
    }

    .detail-actions .btn {
        font-size: 12px;
    }

    /* 搜索结果 */
    .result-item {
        padding: 14px 14px;
        border-left-width: 3px;
    }

    .result-item .result-title {
        font-size: 14px;
    }

    .result-item .result-summary {
        font-size: 12px;
        -webkit-line-clamp: 3;
    }

    /* 面包屑 */
    .breadcrumb-nav {
        font-size: 12px;
    }

    /* 页面标题 */
    .page-title {
        font-size: 1.2rem;
    }

    /* 页脚 */
    .footer-nav .nav a {
        padding: 4px 10px;
        font-size: 12px;
    }

    .footer {
        font-size: 12px;
    }

    /* 分页 */
    .pagination-wrap .page-link {
        padding: 5px 9px;
        font-size: 12px;
    }

    /* 搜索摘要 */
    .search-summary {
        padding: 10px 14px;
        font-size: 13px;
    }

    /* 友情链接 */
    .friend-link .link {
        padding: 10px 14px;
    }

    /* 卡片标题 */
    .card-title-accent {
        font-size: 0.95rem !important;
    }
}