:root {
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);

    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --text-white: #ffffff;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;

    --border-color: #e5e7eb;
    --border-light: #f3f4f6;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);

    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    --letter-spacing-normal: 0.01em;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-lg {
    padding: 0.625rem 1.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.btn-xl {
    padding: 1rem 2.25rem;
    font-size: 1.125rem;
}

.header-actions .btn {
    padding: 0.5rem 1.125rem;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    gap: 0.375rem;
}

.header-actions .btn .icon {
    font-size: 0.875rem;
}

.top-bar {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.625rem 0;
    font-size: 0.875rem;
}

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

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.top-bar-left span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.top-bar-left .icon {
    color: var(--primary-light);
}

.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s ease, background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo:hover,
.logo:focus-visible {
    color: inherit;
}

.logo .icon {
    font-size: 2.25rem;
    color: var(--primary-color);
}

.logo-text h1 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition);
}

.nav-item:hover,
.nav-item.active {
    color: var(--primary-color);
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

.hero-section {
    padding: 3.5rem 0;
    background: linear-gradient(135deg, #f0f4ff 0%, #e0e7ff 50%, #dbeafe 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::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='%231e40af' fill-opacity='0.03'%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;
}

.hero-section .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(30, 64, 175, 0.1);
    border: 1px solid rgba(30, 64, 175, 0.2);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-title .highlight {
    color: var(--primary-color);
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-side {
    display: flex;
    justify-content: center;
}

.info-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 380px;
}

.info-card .card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.info-card .card-header .icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.info-card .card-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.exam-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.exam-item:last-child {
    margin-bottom: 0;
}

.exam-badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    font-weight: 700;
    border-radius: var(--radius);
}

.exam-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.exam-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.25rem;
}

.exam-info p:last-child {
    margin-bottom: 0;
}

.exam-info .icon {
    color: var(--primary-light);
    font-size: 0.75rem;
}

.quick-entrance {
    padding: 3rem 0;
    background: var(--bg-primary);
    margin-top: -2rem;
    position: relative;
    z-index: 2;
}

.entrance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.entrance-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

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

.entrance-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    color: var(--text-white);
    margin-bottom: 1rem;
}

.entrance-item h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.entrance-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.guide-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.guide-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.guide-card {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1.25rem 1.25rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
    font-family: inherit;
    width: 100%;
}

.guide-card:hover {
    transform: translateY(-3px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.guide-card:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.guide-card-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    color: var(--text-white);
    font-size: 1.125rem;
}

.guide-card-content {
    flex: 1;
    min-width: 0;
}

.guide-card-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.guide-card-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.guide-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.meta-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: rgba(30, 64, 175, 0.08);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.guide-card-meta .icon {
    color: var(--text-light);
    font-size: 0.875rem;
    transition: var(--transition);
}

.guide-card:hover .guide-card-meta .icon {
    color: var(--primary-color);
    transform: translateX(3px);
}

.guide-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: modalFadeIn 0.2s ease;
}

.guide-modal[hidden] {
    display: none;
}

.guide-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    cursor: pointer;
}

.guide-modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 90vh;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

.guide-modal-header {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.guide-modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.guide-modal-header h3::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 18px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.guide-modal-close {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.guide-modal-close:hover {
    background: var(--danger-color);
    color: var(--text-white);
}

.guide-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-20px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.guide-modal-body h4 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1.5rem 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-light);
}

.guide-modal-body h4:first-child {
    margin-top: 0;
}

.guide-modal-body .intro-card {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
    border: 1px solid rgba(30, 64, 175, 0.15);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.guide-modal-body .intro-card strong {
    color: var(--primary-color);
    font-weight: 700;
}

.guide-modal-body .level-list,
.guide-modal-body .material-list,
.guide-modal-body .process-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.875rem;
}

.guide-modal-body .level-list {
    grid-template-columns: repeat(2, 1fr);
}

.guide-modal-body .level-item,
.guide-modal-body .material-item {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-light);
}

.guide-modal-body .level-item-title,
.guide-modal-body .material-item-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.guide-modal-body .level-item ul,
.guide-modal-body .material-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.guide-modal-body .level-item li,
.guide-modal-body .material-item li {
    position: relative;
    padding-left: 1.125rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.25rem;
}

.guide-modal-body .level-item li::before,
.guide-modal-body .material-item li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--success-color);
    font-weight: 700;
}

.guide-modal-body .note-card {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
    border-left: 4px solid #d97706;
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-top: 1rem;
    color: #78350f;
    font-size: 0.875rem;
    line-height: 1.7;
}

.guide-modal-body .note-card strong {
    color: #92400e;
    font-weight: 700;
}

.guide-modal-body .process-list {
    grid-template-columns: 1fr;
}

.guide-modal-body .process-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    position: relative;
}

.guide-modal-body .process-item .step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    font-weight: 700;
    border-radius: 50%;
    font-size: 0.9375rem;
}

.guide-modal-body .process-item .step-content {
    flex: 1;
}

.guide-modal-body .process-item .step-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.guide-modal-body .process-item .step-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .guide-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .guide-cards {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .guide-card {
        padding: 1rem;
    }
    .guide-card-content p {
        white-space: normal;
    }
    .guide-modal-body .level-list {
        grid-template-columns: 1fr;
    }
}

.timeline-section {
    padding: 3rem 0;
    background: var(--bg-primary);
}

.timeline-view-toggle {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.view-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    position: relative;
}

.timeline-quarter {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.timeline-quarter:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.quarter-marker {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.quarter-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    font-size: 1.125rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
    flex-shrink: 0;
}

.quarter-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--primary-color) 0%, transparent 100%);
    min-height: 20px;
}

.timeline-quarter:last-child .quarter-line,
.timeline-quarter:nth-last-child(2) .quarter-line {
    display: none;
}

.quarter-content {
    flex: 1;
    min-width: 0;
}

.quarter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.875rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.quarter-header h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.quarter-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quarter-event {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

.quarter-event .icon {
    color: var(--primary-color);
    font-size: 0.875rem;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.event-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
    gap: 0.5rem;
    min-width: 0;
}

.event-label {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    flex-shrink: 0;
}

.event-value {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
    white-space: nowrap;
}

.quarter-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-top: 0.25rem;
    padding: 0.375rem 0.75rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition);
    align-self: flex-start;
}

.quarter-toggle:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.quarter-toggle .icon {
    font-size: 0.75rem;
    transition: var(--transition);
}

.quarter-toggle.active .icon {
    transform: rotate(180deg);
}

.quarter-detail {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.quarter-detail.active {
    max-height: 200px;
}

.quarter-detail p {
    padding: 0.75rem;
    margin-top: 0.5rem;
    background: var(--bg-primary);
    border-left: 3px solid var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.org-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.org-info-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: 1.5rem;
}

.info-tip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: rgba(30, 64, 175, 0.08);
    border: 1px solid rgba(30, 64, 175, 0.15);
    border-radius: var(--radius);
    color: var(--primary-color);
    font-size: 0.875rem;
    max-width: 900px;
    text-align: center;
}

.info-tip .icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.info-update {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4375rem 1rem;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 50px;
    color: var(--accent-color);
    font-size: 0.8125rem;
    font-weight: 500;
}

.info-update .icon {
    font-size: 0.8125rem;
    flex-shrink: 0;
}

.org-filter {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.4375rem 1.125rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.org-summary {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.org-summary strong {
    color: var(--primary-color);
    font-weight: 700;
    margin: 0 0.25rem;
}

.org-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
}

.org-card {
    background: var(--bg-primary);
    border-radius: var(--radius);
    padding: 1rem 1.125rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.org-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.org-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--border-light);
}

.org-card-index {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
}

.org-card-name {
    flex: 1;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
}

.org-card-badge {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1875rem 0.5rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border-radius: 50px;
    font-size: 0.6875rem;
    font-weight: 600;
    white-space: nowrap;
}

.org-card-badge::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--success-color);
    border-radius: 50%;
}

.org-card-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.org-card-info-row {
    display: flex;
    gap: 0.375rem;
    align-items: flex-start;
}

.org-card-info-row .icon {
    color: var(--primary-light);
    font-size: 0.75rem;
    margin-top: 0.1875rem;
    flex-shrink: 0;
    width: 12px;
    text-align: center;
}

.org-card-info-row .info-label {
    color: var(--text-light);
    flex-shrink: 0;
}

.org-card-info-row .info-value {
    color: var(--text-secondary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.org-card-info-row .info-value.code {
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.75rem;
}

.org-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.org-empty .icon {
    font-size: 2.5rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
    display: block;
}

@media (max-width: 1024px) {
    .org-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .org-grid {
        grid-template-columns: 1fr;
    }
    .info-tip {
        font-size: 0.8125rem;
        padding: 0.5rem 1rem;
    }
    .info-update {
        font-size: 0.75rem;
        text-align: center;
    }
}

.news-section {
    padding: 3rem 0;
    background: var(--bg-primary);
}

.news-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(2, 1fr);
    gap: 1.5rem;
}

.news-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: 1.75rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.news-card.featured {
    grid-row: span 2;
    background: var(--primary-gradient);
    border: none;
}

.news-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent-color);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.news-card.featured .news-badge {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
}

.news-date {
    font-size: 0.8125rem;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

.news-card.featured .news-date {
    color: rgba(255, 255, 255, 0.7);
}

.news-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.news-card.featured .news-title {
    font-size: 1.375rem;
    color: var(--text-white);
}

.news-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.news-card.featured .news-desc {
    color: rgba(255, 255, 255, 0.85);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary-color);
}

.news-card.featured .news-link {
    color: var(--text-white);
}

.news-link:hover {
    gap: 0.625rem;
}

.faq-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.faq-categories {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.faq-cat-btn {
    padding: 0.4375rem 1.125rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.faq-cat-btn:hover,
.faq-cat-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

.faq-list {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.625rem;
}

.faq-item {
    background: var(--bg-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1.125rem;
    transition: var(--transition);
    user-select: none;
    gap: 0.5rem;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-question h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    line-height: 1.4;
}

.faq-question .icon {
    color: var(--text-secondary);
    transition: transform 0.3s ease;
    margin-left: 0.5rem;
    flex-shrink: 0;
    font-size: 0.8125rem;
}

.faq-item[open] .faq-question .icon {
    color: var(--primary-color);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item[open] .faq-answer {
    max-height: 600px;
}

.faq-answer p {
    padding: 0 1.125rem 0.875rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .faq-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .faq-question {
        padding: 0.75rem 1rem;
    }
    .faq-question h4 {
        font-size: 0.875rem;
    }
    .faq-answer p {
        padding: 0 1rem 0.75rem;
        font-size: 0.8125rem;
    }
}

.contact-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
    align-items: stretch;
}

.contact-info {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.contact-info-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.375rem;
}

.contact-info-header .icon {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.contact-info-header h3 {
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.contact-info-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0.875rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px dashed var(--border-color);
}

.contact-item {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.625rem;
    padding: 0.625rem 0.875rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(30, 64, 175, 0.06);
    transform: translateX(3px);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--text-white);
}

.contact-details h4 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.contact-details p {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0;
    line-height: 1.3;
}

.contact-details span {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.contact-qrcode-wrapper {
    display: flex;
    align-items: stretch;
}

.contact-qrcode-card {
    position: relative;
    width: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.25rem 1.125rem;
    color: var(--text-white);
    text-align: center;
    box-shadow: 0 16px 36px rgba(30, 64, 175, 0.22);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-qrcode-card::before {
    content: '';
    position: absolute;
    inset: 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");
    pointer-events: none;
}

.qrcode-decoration {
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2.5px solid rgba(255, 255, 255, 0.4);
    pointer-events: none;
}

.qrcode-decoration-tl {
    top: 0.75rem;
    left: 0.75rem;
    border-right: none;
    border-bottom: none;
    border-top-left-radius: 4px;
}

.qrcode-decoration-tr {
    top: 0.75rem;
    right: 0.75rem;
    border-left: none;
    border-bottom: none;
    border-top-right-radius: 4px;
}

.qrcode-decoration-bl {
    bottom: 0.75rem;
    left: 0.75rem;
    border-right: none;
    border-top: none;
    border-bottom-left-radius: 4px;
}

.qrcode-decoration-br {
    bottom: 0.75rem;
    right: 0.75rem;
    border-left: none;
    border-top: none;
    border-bottom-right-radius: 4px;
}

.contact-qrcode-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.875rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.625rem;
    backdrop-filter: blur(4px);
    z-index: 1;
}

.contact-qrcode-badge .icon {
    color: var(--accent-color);
    font-size: 0.8125rem;
}

.contact-qrcode-title {
    position: relative;
    z-index: 1;
    font-size: 1.125rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 0.375rem;
    line-height: 1.3;
}

.contact-qrcode-desc {
    position: relative;
    z-index: 1;
    font-size: 0.8125rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.875rem;
}

.contact-qrcode-img-wrap {
    position: relative;
    z-index: 1;
    background: var(--text-white);
    padding: 0.625rem;
    border-radius: var(--radius);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 0.625rem;
    transition: var(--transition);
}

.contact-qrcode-card:hover .contact-qrcode-img-wrap {
    transform: scale(1.03);
}

.contact-qrcode-img {
    display: block;
    width: 150px;
    height: 150px;
    object-fit: contain;
    border-radius: 3px;
}

.contact-qrcode-label {
    position: relative;
    z-index: 1;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.contact-qrcode-tip {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.85);
    padding: 0.4375rem 0.625rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.contact-qrcode-tip strong {
    color: var(--accent-color);
    font-weight: 700;
    margin: 0 0.125rem;
}

@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 640px) {
    .contact-section {
        padding: 2rem 0;
    }
    .contact-info {
        padding: 1.125rem 1rem;
    }
    .contact-info-header h3 {
        font-size: 1.0625rem;
    }
    .contact-item {
        padding: 0.5rem 0.75rem;
        gap: 0.625rem;
    }
    .contact-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    .contact-details p {
        font-size: 0.875rem;
    }
    .contact-qrcode-card {
        padding: 1.125rem 1rem 1rem;
    }
    .contact-qrcode-title {
        font-size: 1.0625rem;
    }
    .contact-qrcode-img {
        width: 140px;
        height: 140px;
    }
}

.footer {
    padding: 4rem 0 2rem;
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-logo .icon {
    font-size: 2rem;
    color: var(--primary-light);
}

.footer-logo-text h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
}

.footer-logo-text p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 1.25rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

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

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

.qrcode-link {
    display: block;
    width: 140px;
    height: 140px;
    margin: 0 auto 0.75rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.15);
}

.qrcode-link:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.qrcode-image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--bg-primary);
    padding: 0.5rem;
}

.footer-qrcode p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.qrcode-title {
    color: var(--text-white) !important;
    font-weight: 600 !important;
    font-size: 0.9375rem !important;
    margin-bottom: 0.5rem !important;
}

.qrcode-tip {
    font-size: 0.75rem !important;
    line-height: 1.5 !important;
    color: rgba(255, 255, 255, 0.5) !important;
    margin-bottom: 0.5rem !important;
}

.qrcode-reason {
    font-size: 0.6875rem !important;
    line-height: 1.5 !important;
    color: rgba(255, 255, 255, 0.4) !important;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-style: italic;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.footer-note {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.5);
}

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.75rem;
    background: var(--text-primary);
    color: var(--text-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 3000;
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.active {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast .icon {
    font-size: 1.25rem;
    color: var(--success-color);
}

@media (max-width: 1024px) {
    .hero-section .container {
        grid-template-columns: 1fr;
    }

    .hero-side {
        order: -1;
    }

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

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

    .news-card.featured {
        grid-column: span 2;
        grid-row: span 1;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: 999;
    }

    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        padding: 0.875rem 1rem;
        border-bottom: 1px solid var(--border-light);
        width: 100%;
        text-align: center;
    }

    .nav-item:last-child {
        border-bottom: none;
    }

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

    .top-bar-right {
        display: none;
    }

    .main-header .header-actions .btn {
        padding: 0.4375rem 0.875rem;
        font-size: 0.8125rem;
    }

    .main-header .header-actions .btn .icon {
        font-size: 0.8125rem;
    }

    .main-header .header-actions .btn span {
        display: inline;
    }

    .hero-section {
        padding: 2.5rem 0;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-stats {
        gap: 1.25rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .entrance-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .entrance-item {
        padding: 1.125rem 0.875rem;
    }

    .entrance-item h3 {
        font-size: 0.9375rem;
    }

    .entrance-item p {
        font-size: 0.75rem;
    }

    .entrance-icon {
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.8125rem;
    }

    .section-header {
        margin-bottom: 1.5rem;
    }

    .guide-section,
    .org-section,
    .news-section,
    .faq-section {
        padding: 2.5rem 0;
    }

    .guide-cards {
        gap: 0.625rem;
    }

    .guide-card {
        padding: 0.875rem;
    }

    .guide-card-icon {
        width: 36px;
        height: 36px;
        font-size: 0.9375rem;
    }

    .guide-card-content h3 {
        font-size: 0.9375rem;
    }

    .guide-card-content p {
        font-size: 0.75rem;
    }

    .guide-card-meta .meta-tag {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.5rem;
    }

    .org-info-bar {
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .info-tip,
    .info-update {
        font-size: 0.75rem;
        padding: 0.4375rem 0.875rem;
    }

    .org-filter {
        gap: 0.375rem;
        margin-bottom: 1rem;
    }

    .filter-btn {
        padding: 0.375rem 0.875rem;
        font-size: 0.8125rem;
    }

    .org-grid {
        gap: 0.625rem;
    }

    .org-card {
        padding: 0.875rem 1rem;
    }

    .org-card-name {
        font-size: 0.875rem;
    }

    .org-card-badge {
        font-size: 0.625rem;
    }

    .org-card-info {
        font-size: 0.75rem;
    }

    .news-grid {
        gap: 0.875rem;
    }

    .news-card {
        padding: 1rem;
    }

    .news-title {
        font-size: 0.9375rem;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 0.875rem;
    }

    .quarter-icon {
        width: 40px;
        height: 40px;
        font-size: 0.9375rem;
    }

    .quarter-line {
        display: none;
    }

    .quarter-toggle {
        align-self: stretch;
        justify-content: center;
        padding: 0.625rem 0.875rem;
    }

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

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

    .news-card.featured {
        grid-column: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .footer-col:first-child {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    .footer-logo {
        margin-bottom: 0;
    }

    .footer-desc {
        display: none;
    }

    .footer-col:nth-child(2),
    .footer-col:nth-child(3) {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .footer-col:nth-child(2) h4,
    .footer-col:nth-child(3) h4 {
        margin-bottom: 0;
        font-size: 0.8125rem;
        white-space: nowrap;
    }

    .footer-col:nth-child(2) .footer-links,
    .footer-col:nth-child(3) .footer-links {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .footer-col:nth-child(2) .footer-links li,
    .footer-col:nth-child(3) .footer-links li {
        margin-bottom: 0;
    }

    .footer-col:nth-child(2) .footer-links a,
    .footer-col:nth-child(3) .footer-links a {
        font-size: 0.8125rem;
    }

    .footer-col:nth-child(2) .footer-links li + li::before,
    .footer-col:nth-child(3) .footer-links li + li::before {
        content: '·';
        margin-right: 0.5rem;
        color: rgba(255, 255, 255, 0.3);
    }

    .footer-qrcode {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        text-align: left;
    }

    .qrcode-link {
        width: 80px;
        height: 80px;
        margin: 0;
        flex-shrink: 0;
    }

    .qrcode-title {
        font-size: 0.8125rem !important;
        margin-bottom: 0.25rem !important;
    }

    .qrcode-tip {
        font-size: 0.6875rem !important;
        margin-bottom: 0.25rem !important;
    }

    .qrcode-reason {
        font-size: 0.625rem !important;
        padding-top: 0.25rem;
    }

    .footer-col h4 {
        margin-bottom: 0.5rem;
    }

    .footer-note {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.25rem 0.75rem;
        font-size: 0.6875rem;
    }

    .footer-note span[aria-hidden="true"] {
        display: none;
    }

    .footer-bottom {
        padding-top: 1rem;
    }

    .footer-bottom p {
        font-size: 0.75rem;
    }

    .footer {
        padding: 1.5rem 0 1rem;
    }
}

@media (max-width: 480px) {
    .top-bar-left {
        gap: 0.75rem;
        flex-wrap: wrap;
    }

    .top-bar-left span {
        font-size: 0.75rem;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-desc {
        font-size: 0.875rem;
        line-height: 1.6;
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.625rem;
    }

    .btn-xl {
        width: 100%;
        padding: 0.75rem 1.5rem;
        font-size: 0.9375rem;
    }

    .main-header .header-actions {
        gap: 0.5rem;
    }

    .main-header .header-actions .btn {
        padding: 0.4375rem 0.75rem;
        font-size: 0.75rem;
    }

    .main-header .header-actions .btn .icon {
        font-size: 0.8125rem;
    }

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

    .entrance-item {
        padding: 1rem;
        flex-direction: row;
        text-align: left;
        gap: 0.875rem;
    }

    .entrance-item h3 {
        font-size: 0.875rem;
    }

    .entrance-item p {
        font-size: 0.6875rem;
    }

    .section-title {
        font-size: 1.375rem;
    }

    .guide-section,
    .org-section,
    .news-section,
    .faq-section {
        padding: 2rem 0;
    }

    .guide-card {
        padding: 0.75rem;
        gap: 0.625rem;
    }

    .guide-card-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .guide-card-meta {
        display: none;
    }

    .org-card {
        padding: 0.75rem 0.875rem;
    }

    .org-card-header {
        flex-wrap: wrap;
        gap: 0.375rem;
    }

    .org-card-badge {
        order: 2;
    }

    .org-summary {
        font-size: 0.75rem;
    }

    .news-card {
        padding: 0.875rem;
    }

    .news-title {
        font-size: 0.875rem;
    }

    .timeline-quarter {
        padding: 0.75rem;
    }

    .quarter-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }

    .footer {
        padding: 1.25rem 0 0.875rem;
    }

    .footer-grid {
        gap: 0.875rem;
    }

    .footer-col:nth-child(2) h4,
    .footer-col:nth-child(3) h4 {
        font-size: 0.75rem;
    }

    .footer-col:nth-child(2) .footer-links a,
    .footer-col:nth-child(3) .footer-links a {
        font-size: 0.75rem;
    }

    .qrcode-link {
        width: 64px;
        height: 64px;
    }

    .qrcode-title {
        font-size: 0.75rem !important;
    }

    .qrcode-tip {
        font-size: 0.625rem !important;
    }

    .qrcode-reason {
        font-size: 0.5625rem !important;
    }

    .footer-logo .icon {
        font-size: 1.5rem;
    }

    .footer-logo-text h3 {
        font-size: 1.0625rem;
    }

    .footer-logo-text p {
        font-size: 0.6875rem;
    }
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

::selection {
    background: rgba(30, 64, 175, 0.2);
    color: var(--primary-dark);
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--text-white);
    z-index: 9999;
    text-decoration: none;
    font-weight: 600;
    border-radius: 0 0 var(--radius) 0;
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 0;
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

.top-bar-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
}

.top-bar-item:hover,
.top-bar-item:focus-visible {
    color: var(--text-white);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.top-bar-right .icon-heart-pulse,
.top-bar-right .icon-heart {
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

.top-bar-right .icon-weixin {
    color: #07c160;
}

.top-bar-divider {
    margin: 0 0.5rem;
    color: rgba(255, 255, 255, 0.3);
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.main-header.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.view-btn[aria-pressed="true"],
.filter-btn[aria-pressed="true"],
.faq-cat-btn[aria-pressed="true"] {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--text-white);
}

body.modal-open {
    overflow: hidden;
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top[hidden] {
    display: none;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(30, 64, 175, 0.4);
}

.back-to-top:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

@media (max-width: 768px) {
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

.contact-details a {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-details a:hover,
.contact-details a:focus-visible {
    color: var(--primary-dark);
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .top-bar-right > span:not(.top-bar-divider):not(:first-of-type) {
        display: none;
    }
}

@media (max-width: 768px) {
    .top-bar-right {
        display: none;
    }
    .top-bar-item span {
        font-size: 0.8125rem;
    }
    .skip-link {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .animate-on-scroll {
        opacity: 1;
        transform: none;
    }
}

.qrcode-promo {
    padding: 4rem 0;
    background: var(--primary-gradient);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.qrcode-promo::before {
    content: '';
    position: absolute;
    inset: 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");
    pointer-events: none;
}

.promo-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.promo-content {
    text-align: left;
}

.promo-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    backdrop-filter: blur(4px);
}

.promo-badge .icon {
    color: var(--accent-color);
}

.promo-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.promo-desc {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.promo-notice {
    display: flex;
    gap: 0.875rem;
    align-items: flex-start;
    padding: 1.125rem 1.25rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-left: 3px solid var(--accent-color);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(4px);
}

.promo-notice > .icon {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-top: 0.125rem;
    flex-shrink: 0;
}

.notice-content {
    flex: 1;
    min-width: 0;
}

.notice-title {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.notice-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
}

.promo-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem 1.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step;
}

.promo-steps li {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.5;
}

.step-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--text-white);
}

.promo-qrcode {
    display: flex;
    justify-content: center;
}

.qrcode-card {
    background: var(--text-white);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: var(--transition);
}

.qrcode-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.qrcode-img {
    display: block;
    width: 180px;
    height: 180px;
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
}

.qrcode-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 0;
}

@media (max-width: 1024px) {
    .promo-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .promo-title {
        font-size: 1.75rem;
    }

    .promo-notice {
        text-align: left;
    }

    .promo-steps {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .qrcode-promo {
        padding: 3rem 0;
    }

    .promo-title {
        font-size: 1.5rem;
    }

    .promo-desc {
        font-size: 1rem;
    }

    .promo-steps {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .qrcode-img {
        width: 160px;
        height: 160px;
    }
}

@media (max-width: 480px) {
    .promo-title {
        font-size: 1.25rem;
    }

    .qrcode-img {
        width: 140px;
        height: 140px;
    }
}

@media print {
    .top-bar,
    .main-header,
    .mobile-menu-btn,
    .header-actions,
    .toast,
    .back-to-top,
    .org-filter,
    .faq-categories,
    .timeline-view-toggle,
    .quarter-toggle,
    .qrcode-promo {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero-section,
    .timeline-section,
    .org-section,
    .news-section,
    .faq-section,
    .contact-section,
    .footer {
        background: #fff !important;
        color: #000 !important;
    }
}