@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=Montserrat:wght@400;500;600;700;800&family=Crimson+Text:ital,wght@0,400;0,600;1,400&display=swap');

:root {
    --bg-paper: #F7F3E8;
    --text-dark: #2C2A28;
    --text-gray: #5A5754;
    --accent-red: #C45C3E;
    --accent-orange: #D4845A;
    --accent-beige: #E8DCC8;
    --shadow-fold: 0 4px 8px rgba(0,0,0,0.02), 0 1px 2px rgba(0,0,0,0.05), inset 0 0 0 1px rgba(255,255,240,0.6);
    --shadow-hover: 0 8px 16px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.06);
}

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

body {
    font-family: 'Crimson Text', Georgia, serif;
    background-color: var(--bg-paper);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-blend-mode: overlay;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

.paper-card {
    background: linear-gradient(135deg, #FFFEF9 0%, #F9F6ED 100%);
    box-shadow: var(--shadow-fold);
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.paper-card::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 0 24px 24px;
    border-color: transparent transparent var(--bg-paper) transparent;
    box-shadow: -2px -2px 4px rgba(0,0,0,0.05);
}

.paper-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

header {
    text-align: center;
    padding: 40px 0 32px;
    border-bottom: 2px solid var(--accent-beige);
    margin-bottom: 32px;
}

.masthead {
    font-family: 'Playfair Display', serif;
    font-weight: 900;
    font-style: italic;
    font-size: 4rem;
    color: var(--text-dark);
    letter-spacing: -2px;
    text-shadow: 1px 1px 0 rgba(0,0,0,0.1);
    margin-bottom: 8px;
}

.masthead-line {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--text-dark), transparent);
    margin: 16px auto;
}

.date-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--accent-beige);
    border-radius: 4px;
    margin-top: 24px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
}

.nav-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.nav-tab {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    padding: 8px 20px;
    background: linear-gradient(180deg, #FFFEF9 0%, #F5F2E8 100%);
    border: 1px solid var(--accent-beige);
    border-radius: 4px 4px 0 0;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.2s ease;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.nav-tab::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-beige);
}

.nav-tab:hover {
    background: linear-gradient(180deg, #FFF 0%, #F9F6ED 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.nav-tab.active {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

.main-content {
    display: grid;
    grid-template-columns: 8fr 4fr;
    gap: 32px;
}

.left-section {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.right-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 2px dashed var(--accent-beige);
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -6px;
    width: 12px;
    height: 12px;
    background: var(--accent-beige);
    transform: rotate(45deg);
}

.hero-fold {
    height: 480px;
    overflow: hidden;
}

.hero-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.hero-image {
    height: 280px;
    overflow: hidden;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hero-card:hover .hero-image img {
    transform: scale(1.05);
}

.hero-content {
    padding: 24px;
    flex: 1;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 2rem;
    line-height: 1.2;
    margin-bottom: 12px;
    text-shadow: 1px 1px 0 rgba(255,255,255,0.5);
}

.hero-excerpt {
    font-size: 1.125rem;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-meta {
    margin-top: 16px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    color: var(--text-gray);
    display: flex;
    gap: 16px;
}

.grid-fold {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.grid-card {
    height: 320px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}

.grid-card-image {
    height: 40%;
    overflow: hidden;
}

.grid-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.grid-card:hover .grid-card-image img {
    transform: scale(1.08);
}

.grid-card-content {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.grid-card-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    line-height: 1.3;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.grid-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.stream-fold {
    display: flex;
    flex-direction: column;
}

.stream-item {
    display: flex;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--accent-beige);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    gap: 16px;
}

.stream-item:hover {
    background: rgba(255,255,255,0.5);
    transform: translateX(4px);
}

.stream-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-beige);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

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

.stream-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stream-meta {
    font-size: 0.75rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.stream-arrow {
    color: var(--accent-red);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.stream-item:hover .stream-arrow {
    opacity: 1;
}

.show-more-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(180deg, #FFFEF9 0%, #F5F2E8 100%);
    border: 1px dashed var(--accent-beige);
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 16px;
}

.show-more-btn:hover {
    background: var(--accent-beige);
}

.sidebar-fold {
    background: linear-gradient(135deg, #FFFEF9 0%, #F9F6ED 100%);
    box-shadow: var(--shadow-fold);
    border-radius: 4px;
    padding: 20px;
}

.sidebar-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dark);
    padding-bottom: 12px;
    border-bottom: 1px dashed var(--accent-beige);
    margin-bottom: 16px;
}

.flash-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(232,220,200,0.5);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.flash-item:hover {
    background: rgba(255,255,255,0.3);
    padding-left: 8px;
}

.flash-star {
    color: var(--accent-orange);
    font-size: 0.875rem;
    flex-shrink: 0;
}

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

.flash-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.flash-time {
    font-size: 0.7rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.popular-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(232,220,200,0.5);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.popular-item:hover {
    background: rgba(255,255,255,0.3);
    padding-left: 8px;
}

.popular-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.popular-bar {
    width: 40px;
    height: 8px;
    border-radius: 2px;
    margin-left: 12px;
}

.bar-hot { background: var(--accent-red); }
.bar-medium { background: var(--accent-orange); }
.bar-low { background: var(--accent-beige); }

.archive-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(232,220,200,0.5);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.archive-item:hover {
    background: rgba(255,255,255,0.3);
    padding-left: 8px;
}

.archive-date {
    font-family: 'Crimson Text', serif;
    font-style: italic;
    font-size: 0.75rem;
    color: var(--text-gray);
    white-space: nowrap;
}

.archive-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.85rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.archive-section {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 3px double var(--accent-beige);
}

.archive-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.archive-bookmark {
    width: 24px;
    height: 40px;
    background: var(--accent-red);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 80%, 0 100%);
}

.archive-main-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.filter-tab {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.8rem;
    padding: 6px 14px;
    background: #FFFEF9;
    border: 1px solid var(--accent-beige);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.archive-card {
    height: 70px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    position: relative;
}

.archive-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.archive-card-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.archive-card-meta {
    font-size: 0.7rem;
    color: var(--text-gray);
    margin-top: 4px;
}

.archive-card-arrow {
    color: var(--accent-red);
    opacity: 0;
    transition: opacity 0.2s ease;
    margin-left: 8px;
}

.archive-card:hover .archive-card-arrow {
    opacity: 1;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
}

.page-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFEF9;
    border: 1px solid var(--accent-beige);
    border-radius: 4px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.page-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.page-btn.active {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
    transform: translateY(-3px);
}

footer {
    margin-top: 64px;
    padding: 48px 0 24px;
    border-top: 3px double var(--accent-beige);
    background: linear-gradient(180deg, transparent 0%, rgba(232,220,200,0.3) 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}

.footer-section h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.footer-section a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--accent-beige);
    font-size: 0.875rem;
    color: var(--text-gray);
}

.detail-page {
    max-width: 900px;
    margin: 0 auto;
}

.detail-header {
    padding: 40px 0;
    border-bottom: 2px solid var(--accent-beige);
    margin-bottom: 32px;
}

.detail-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 16px;
}

.detail-meta {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.875rem;
    color: var(--text-gray);
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.detail-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 32px;
}

.detail-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.detail-content p {
    margin-bottom: 1.5em;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    color: var(--accent-red);
    text-decoration: none;
    margin-bottom: 24px;
    transition: all 0.2s ease;
}

.back-link:hover {
    gap: 12px;
}

.policy-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.policy-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 24px;
}

.policy-content {
    font-size: 1rem;
    line-height: 1.8;
}

.policy-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    margin: 32px 0 16px;
}

.policy-content p {
    margin-bottom: 16px;
}

.policy-content ul {
    margin: 16px 0 16px 24px;
}

.policy-content li {
    margin-bottom: 8px;
}

.fold-animation {
    perspective: 1000px;
}

.fold-animation:hover {
    transform: rotateX(1deg) rotateY(0.5deg);
}

@keyframes pageFlip {
    0% { transform: rotateY(0deg); }
    50% { transform: rotateY(-90deg); }
    100% { transform: rotateY(0deg); }
}

.page-flip {
    animation: pageFlip 0.4s ease-in-out;
}

.hidden {
    display: none !important;
}

@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .right-section {
        order: 2;
    }
    
    .grid-fold {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .masthead {
        font-size: 2.5rem;
    }
    
    .date-bar {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .nav-tabs {
        gap: 4px;
    }
    
    .nav-tab {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
    
    .hero-fold {
        height: auto;
    }
    
    .hero-image {
        height: 200px;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .grid-fold {
        grid-template-columns: 1fr;
    }
    
    .grid-card {
        height: auto;
    }
    
    .archive-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .detail-title {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .filter-tabs {
        justify-content: center;
    }
}