:root {
    --color-deep: #112d4e;
    --color-mid: #3f72af;
    --color-light: #dbe2ef;
    --color-bg: #f9f7f7;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-accent: #e8594a;
    --color-gold: #c8943e;
    --color-border: #e8ecf1;
    --shadow-sm: 0 1px 3px rgba(17, 45, 78, 0.06);
    --shadow-md: 0 4px 16px rgba(17, 45, 78, 0.1);
    --shadow-lg: 0 8px 32px rgba(17, 45, 78, 0.14);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1400px;
    --sidebar-width: 340px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background-color: #eef1f5;
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.top-nav {
    width: 100%;
    background: var(--color-deep);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(17, 45, 78, 0.25);
    backdrop-filter: blur(8px);
}

.top-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 62px;
    gap: 20px;
}

.top-nav-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.site-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-mid), #5a8ed4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: -1px;
    flex-shrink: 0;
}

.site-name-h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.5px;
    margin: 0;
    white-space: nowrap;
    line-height: 1;
}

.top-nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.btn-nav {
    padding: 9px 20px;
    border-radius: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.btn-login {
    background: var(--color-mid);
    color: #fff;
    box-shadow: 0 2px 8px rgba(63, 114, 175, 0.35);
}
.btn-login:hover {
    background: #4d84c4;
    box-shadow: 0 4px 16px rgba(63, 114, 175, 0.5);
    transform: translateY(-1px);
}

.btn-download-nav {
    background: transparent;
    color: #ffffff;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
}
.btn-download-nav:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
}

.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    gap: 24px;
    padding: 24px 28px;
    min-height: calc(100vh - 62px - 200px);
    align-items: flex-start;
}

.content-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.sidebar-right {
    width: var(--sidebar-width);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-light);
}
.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-deep);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background: var(--color-mid);
    border-radius: 2px;
    flex-shrink: 0;
}
.card-more {
    font-size: 0.82rem;
    color: var(--color-mid);
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}
.card-more:hover {
    color: var(--color-deep);
    text-decoration: underline;
}

.hot-comics-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.comic-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.comic-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-mid);
}
.comic-card-img-wrap {
    width: 100%;
    aspect-ratio: 2/3;
    overflow: hidden;
    background: #e8ecf1;
    position: relative;
    flex-shrink: 0;
}
.comic-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.comic-card:hover .comic-card-img-wrap img {
    transform: scale(1.06);
}
.comic-card-badge {
    position: absolute;
    top: 8px;
    left: 8px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 12px;
    letter-spacing: 0.4px;
    z-index: 2;
}
.comic-card-info {
    padding: 12px 13px 14px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    flex: 1;
}
.comic-card-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-deep);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card-meta {
    font-size: 0.72rem;
    color: var(--color-text-light);
    display: flex;
    flex-wrap: wrap;
    gap: 2px 6px;
    line-height: 1.5;
}
.comic-card-meta span {
    background: var(--color-light);
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.68rem;
    white-space: nowrap;
}
.comic-card-type {
    color: var(--color-mid);
    font-weight: 600;
    font-size: 0.7rem;
}

.detail-section {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.detail-cover {
    width: 200px;
    height: 280px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #e8ecf1;
}
.detail-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.detail-content {
    flex: 1;
    min-width: 280px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.detail-content h3 {
    font-size: 1.35rem;
    color: var(--color-deep);
    font-weight: 700;
}
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.detail-tag {
    background: var(--color-light);
    color: var(--color-deep);
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 0.8rem;
    font-weight: 500;
}
.detail-desc {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}
.detail-info-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--color-text);
}
.detail-info-row strong {
    color: var(--color-deep);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.character-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.character-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-mid);
    transform: translateY(-3px);
}
.character-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 10px;
    background: #e8ecf1;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}
.character-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.character-name {
    font-weight: 700;
    color: var(--color-deep);
    font-size: 0.95rem;
    margin-bottom: 3px;
}
.character-role {
    font-size: 0.72rem;
    color: var(--color-mid);
    font-weight: 600;
    margin-bottom: 6px;
}
.character-desc {
    font-size: 0.75rem;
    color: var(--color-text-light);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comments-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 600px;
    overflow-y: auto;
}
.comment-item {
    display: flex;
    gap: 10px;
    padding: 12px;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid transparent;
    align-items: flex-start;
}
.comment-item:hover {
    border-color: var(--color-light);
    background: #fff;
}
.comment-body {
    flex: 1;
    min-width: 0;
}
.comment-user {
    font-weight: 700;
    font-size: 0.8rem;
    color: var(--color-deep);
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.comment-time {
    font-size: 0.65rem;
    color: #999;
    font-weight: 400;
}
.comment-text {
    font-size: 0.78rem;
    color: var(--color-text-light);
    line-height: 1.6;
}
.comment-likes {
    font-size: 0.7rem;
    color: #999;
    margin-top: 3px;
    cursor: pointer;
}

.platform-intro {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}
.platform-text {
    flex: 1;
    min-width: 260px;
}
.platform-text h3 {
    color: var(--color-deep);
    font-size: 1.2rem;
    margin-bottom: 8px;
    font-weight: 700;
}
.platform-text p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.7;
}
.app-download-box {
    background: linear-gradient(135deg, var(--color-deep), #1a3d5c);
    color: #fff;
    padding: 24px 28px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 18px;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}
.app-download-box .app-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 24px;
    color: var(--color-deep);
    flex-shrink: 0;
}
.app-download-info h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 3px;
}
.app-download-info p {
    font-size: 0.78rem;
    opacity: 0.8;
    margin-bottom: 8px;
}
.btn-download-app {
    display: inline-block;
    background: #fff;
    color: var(--color-deep);
    padding: 8px 18px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.82rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-download-app:hover {
    background: var(--color-light);
    transform: translateY(-2px);
}

.rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rank-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}
.rank-item:hover {
    background: var(--color-bg);
    border-color: var(--color-light);
}
.rank-num {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.78rem;
    flex-shrink: 0;
    background: var(--color-light);
    color: var(--color-deep);
}
.rank-num.top1 {
    background: #e8594a;
    color: #fff;
}
.rank-num.top2 {
    background: #f09840;
    color: #fff;
}
.rank-num.top3 {
    background: #c8943e;
    color: #fff;
}
.rank-cover {
    width: 38px;
    height: 50px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
    background: #e8ecf1;
}
.rank-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-name {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--color-deep);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-count {
    font-size: 0.7rem;
    color: var(--color-text-light);
}
.rank-change {
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}
.rank-change.up {
    color: #e8594a;
}
.rank-change.down {
    color: #5a8ed4;
}

.total-read-card {
    background: linear-gradient(135deg, #f9f7f7 0%, #dbe2ef 100%);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    text-align: center;
    border: 2px solid var(--color-light);
}
.total-read-number {
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--color-deep);
    letter-spacing: -1px;
    line-height: 1;
}
.total-read-label {
    font-size: 0.78rem;
    color: var(--color-text-light);
    margin-top: 4px;
    font-weight: 500;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.stat-item {
    text-align: center;
    padding: 14px 8px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-light);
}
.stat-value {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-deep);
    line-height: 1;
}
.stat-label {
    font-size: 0.68rem;
    color: var(--color-text-light);
    margin-top: 4px;
}

.footer-nav {
    width: 100%;
    background: var(--color-deep);
    color: rgba(255, 255, 255, 0.75);
    margin-top: 40px;
}
.footer-nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 28px 20px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}
.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.8rem;
    padding: 4px 0;
    transition: var(--transition);
}
.footer-col a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 14px 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    text-align: center;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
}

@media (max-width: 1200px) {
    .hot-comics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .characters-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .sidebar-right {
        width: 300px;
    }
    .main-container {
        padding: 20px 16px;
        gap: 18px;
    }
}

@media (max-width: 960px) {
    .main-container {
        padding: 16px 12px;
        gap: 16px;
    }
    .sidebar-right {
        width: 260px;
    }
    .hot-comics-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .detail-section {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .detail-cover {
        width: 160px;
        height: 224px;
    }
    .detail-tags {
        justify-content: center;
    }
    .detail-info-row {
        justify-content: center;
    }
    .footer-nav-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    .top-nav-inner {
        padding: 0 14px;
        height: 54px;
    }
    .site-name-h1 {
        font-size: 1.2rem;
    }
    .btn-nav {
        padding: 7px 14px;
        font-size: 0.78rem;
    }
    .stats-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    .platform-intro {
        flex-direction: column;
    }
    .app-download-box {
        width: 100%;
        justify-content: center;
    }
    .comments-list {
        max-height: 450px;
    }
}

@media (max-width: 700px) {
    .main-container {
        flex-wrap: wrap;
    }
    .sidebar-right {
        width: 100%;
        order: 10;
    }
    .content-main {
        min-width: 100%;
    }
    .hot-comics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .comic-card-info {
        padding: 8px 10px 10px;
    }
    .comic-card-name {
        font-size: 0.8rem;
    }
    .comic-card-meta span {
        font-size: 0.62rem;
        padding: 1px 5px;
    }
    .card {
        padding: 14px 12px;
    }
    .card-title {
        font-size: 1rem;
    }
    .top-nav-inner {
        padding: 0 10px;
        height: 48px;
        gap: 8px;
    }
    .site-name-h1 {
        font-size: 1rem;
    }
    .site-logo-icon {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }
    .btn-nav {
        padding: 6px 10px;
        font-size: 0.7rem;
        border-radius: 16px;
    }
    .top-nav-right {
        gap: 6px;
    }
    .stats-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
    }
    .stat-item {
        padding: 10px 4px;
    }
    .stat-value {
        font-size: 1rem;
    }
    .stat-label {
        font-size: 0.6rem;
    }
    .footer-nav-inner {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
        padding: 20px 14px 14px;
    }
    .detail-cover {
        width: 140px;
        height: 196px;
    }
    .comment-item {
        flex-direction: column;
        gap: 6px;
    }
    .comments-list {
        max-height: 400px;
    }
}