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

:root {
    --primary-color: #1a3a6e;
    --primary-dark: #0d2240;
    --primary-light: #2a5298;
    --accent-color: #c9a227;
    --accent-light: #e6c458;
    --text-dark: #1a1a1a;
    --text-gray: #4a4a4a;
    --text-light: #6b6b6b;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border-color: #d1d5db;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--bg-light);
    min-height: 100vh;
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.top-bar {
    background: var(--primary-dark);
    color: #fff;
    padding: 8px 0;
    font-size: 13px;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 25px;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-right {
    display: flex;
    gap: 20px;
}

.top-bar-right a {
    color: rgba(255, 255, 255, 0.85);
}

.top-bar-right a:hover {
    color: var(--accent-light);
}

header {
    background: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main {
    padding: 15px 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text .site-name {
    font-size: 22px;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.logo-text .site-slogan {
    font-size: 12px;
    color: var(--text-light);
}

.search-box {
    flex: 1;
    max-width: 500px;
    margin: 0 40px;
}

.search-box form {
    display: flex;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.search-box form:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(26, 58, 110, 0.1);
}

.search-box input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-size: 15px;
    outline: none;
}

.search-box button {
    padding: 12px 24px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

.search-box button:hover {
    background: var(--primary-dark);
}

.header-actions {
    display: flex;
    gap: 15px;
}

.header-actions a {
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

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

nav {
    background: var(--primary-color);
}

.main-nav {
    display: flex;
    justify-content: center;
}

.main-nav > li {
    position: relative;
}

.main-nav > li > a {
    display: block;
    padding: 16px 28px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    position: relative;
}

.main-nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--accent-color);
    transition: var(--transition);
}

.main-nav > li:hover > a::after,
.main-nav > li.active > a::after {
    width: 60%;
}

.main-nav > li:hover > a {
    background: rgba(255, 255, 255, 0.1);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 8px 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.main-nav > li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--text-dark);
    font-size: 14px;
    border-bottom: 1px solid var(--bg-light);
}

.dropdown a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 50%, var(--primary-light) 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.banner h1 {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 16px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.banner p {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 30px;
}

.banner-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent-light);
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
    margin-top: 5px;
}

.section {
    padding: 50px 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.section-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--accent-color);
}

.section-more {
    color: var(--primary-color);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.section-more:hover {
    color: var(--primary-dark);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.category-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid transparent;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 28px;
    color: #fff;
}

.category-card:nth-child(2) .category-icon {
    background: linear-gradient(135deg, #2d8659, #3da670);
}

.category-card:nth-child(3) .category-icon {
    background: linear-gradient(135deg, #8b5a2b, #b8783a);
}

.category-card:nth-child(4) .category-icon {
    background: linear-gradient(135deg, #6b4c9a, #8b6bb8);
}

.category-card:nth-child(5) .category-icon {
    background: linear-gradient(135deg, #c45a5a, #e07070);
}

.category-card:nth-child(6) .category-icon {
    background: linear-gradient(135deg, #2a7a8a, #3a9aaa);
}

.category-card:nth-child(7) .category-icon {
    background: linear-gradient(135deg, #5a7a8a, #7a9aaa);
}

.category-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.category-card p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.category-meta {
    display: flex;
    gap: 15px;
    font-size: 13px;
    color: var(--text-gray);
}

.category-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hot-section {
    background: var(--bg-white);
}

.exam-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.exam-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.exam-item:hover {
    background: #eef2f7;
    transform: translateX(5px);
}

.exam-rank {
    width: 36px;
    height: 36px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 20px;
}

.exam-item:nth-child(1) .exam-rank { background: #c9a227; }
.exam-item:nth-child(2) .exam-rank { background: #a0a0a0; }
.exam-item:nth-child(3) .exam-rank { background: #b87333; }

.exam-info {
    flex: 1;
}

.exam-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.exam-info h4:hover {
    color: var(--primary-color);
}

.exam-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.exam-stats {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: var(--text-gray);
}

.exam-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

.breadcrumb {
    background: var(--bg-white);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-list li::after {
    content: '/';
    color: var(--text-light);
}

.breadcrumb-list li:last-child::after {
    display: none;
}

.breadcrumb-list a {
    color: var(--text-gray);
}

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

.breadcrumb-list li:last-child {
    color: var(--primary-color);
    font-weight: 500;
}

.content-area {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
}

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.sidebar-widget {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.widget-title {
    font-size: 16px;
    font-weight: bold;
    color: var(--primary-color);
    padding-bottom: 12px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--bg-light);
}

.toc-list {
    font-size: 14px;
}

.toc-list li {
    margin-bottom: 10px;
}

.toc-list a {
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
    color: var(--text-gray);
}

.toc-list a:hover,
.toc-list a.active {
    background: var(--bg-light);
    color: var(--primary-color);
}

.toc-list a.active {
    background: var(--primary-color);
    color: #fff;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border-color);
}

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

.hot-rank {
    width: 24px;
    height: 24px;
    background: var(--bg-light);
    color: var(--text-light);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
}

.hot-list li:nth-child(1) .hot-rank { background: #c9a227; color: #fff; }
.hot-list li:nth-child(2) .hot-rank { background: #a0a0a0; color: #fff; }
.hot-list li:nth-child(3) .hot-rank { background: #b87333; color: #fff; }

.hot-list a {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.5;
}

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

.question-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.question-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.question-type {
    padding: 4px 12px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    font-size: 12px;
}

.question-number {
    color: var(--text-light);
    font-size: 14px;
}

.question-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.question-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.option-item:hover {
    border-color: var(--primary-color);
}

.option-item.selected {
    background: #e8f0fe;
    border-color: var(--primary-color);
}

.option-item.correct {
    background: #e8f5e9;
    border-color: #4caf50;
}

.option-item.wrong {
    background: #ffebee;
    border-color: #f44336;
}

.option-label {
    width: 28px;
    height: 28px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    flex-shrink: 0;
}

.option-text {
    font-size: 15px;
    line-height: 1.6;
}

.answer-section {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 2px dashed var(--border-color);
}

.answer-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.answer-label {
    font-weight: bold;
    color: var(--primary-color);
}

.answer-value {
    padding: 4px 12px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 4px;
    font-weight: bold;
}

.answer-analysis {
    background: #fff8e1;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.answer-analysis h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

.answer-analysis p {
    color: var(--text-gray);
    line-height: 1.8;
}

.filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.filter-tabs {
    display: flex;
    gap: 10px;
}

.filter-tab {
    padding: 8px 20px;
    background: var(--bg-light);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--primary-color);
    color: #fff;
}

.filter-selects {
    display: flex;
    gap: 15px;
}

.filter-select {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-dark);
    background: var(--bg-white);
    cursor: pointer;
}

.list-item {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--bg-white);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.list-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.list-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 20px;
    color: #fff;
}

.list-content {
    flex: 1;
}

.list-content h3 {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.list-content h3:hover {
    color: var(--primary-color);
}

.list-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-light);
}

.list-stats {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--text-gray);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
}

.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.page-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.page-info {
    padding: 0 15px;
    font-size: 14px;
    color: var(--text-light);
}

footer {
    background: var(--primary-dark);
    color: #fff;
    padding-top: 50px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    padding-right: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: bold;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-contact {
    font-size: 14px;
    opacity: 0.8;
}

.footer-contact p {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-column h4 {
    font-size: 16px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-light);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.7;
    margin-bottom: 5px;
}

.footer-bottom a {
    color: var(--accent-light);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

@media (max-width: 1024px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .main-content {
        grid-template-columns: 1fr;
    }

    .sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-main {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-bar {
        display: none;
    }

    .header-main .container {
        flex-wrap: wrap;
    }

    .search-box {
        order: 3;
        max-width: 100%;
        margin: 15px 0 0 0;
        width: 100%;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-color);
        box-shadow: var(--shadow-lg);
    }

    .main-nav.active {
        display: flex;
    }

    .main-nav > li > a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 0;
    }

    .dropdown a {
        color: #fff;
        padding-left: 40px;
    }

    .banner h1 {
        font-size: 28px;
    }

    .banner p {
        font-size: 15px;
    }

    .banner-stats {
        flex-wrap: wrap;
        gap: 30px;
    }

    .stat-number {
        font-size: 28px;
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sidebar {
        grid-template-columns: 1fr;
    }

    .filter-bar {
        flex-direction: column;
        gap: 15px;
    }

    .filter-tabs {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-brand {
        padding-right: 0;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr;
    }

    .header-actions {
        display: none;
    }

    .logo-text .site-name {
        font-size: 18px;
    }

    .section-title {
        font-size: 20px;
    }

    .content-area {
        padding: 20px;
    }

    .question-card {
        padding: 20px;
    }

    .list-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .list-icon {
        margin-bottom: 15px;
    }

    .list-stats {
        margin-top: 10px;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 3px solid var(--bg-light);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.tag {
    display: inline-block;
    padding: 3px 10px;
    background: var(--bg-light);
    color: var(--text-gray);
    border-radius: 4px;
    font-size: 12px;
    margin-right: 8px;
}

.tag-primary {
    background: #e8f0fe;
    color: var(--primary-color);
}

.tag-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.tag-warning {
    background: #fff8e1;
    color: #f57c00;
}

.tag-danger {
    background: #ffebee;
    color: #c62828;
}

.highlight {
    background: linear-gradient(180deg, transparent 60%, #fff3cd 60%);
}

.divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.text-muted {
    color: var(--text-light);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }