:root {
    --color-light: #f6c7c7;
    --color-medium: #fd94b4;
    --color-bright: #ff467e;
    --color-deep: #f12b6b;
    --color-white: #ffffff;
    --color-bg: #fdf2f4;
    --color-card: #ffffff;
    --color-text: #2d2d2d;
    --color-text-light: #6b6b6b;
    --color-border: #fce4e8;
    --color-shadow: rgba(241, 43, 107, 0.08);
    --color-shadow-hover: rgba(241, 43, 107, 0.18);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-heading);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

.top-nav {
    width: 100%;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px var(--color-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.top-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    height: 62px;
    gap: 20px;
}
.top-nav .brand-name {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-deep);
    letter-spacing: 2px;
    white-space: nowrap;
    flex-shrink: 0;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
}
.top-nav .brand-name h1 {
    font-size: inherit;
    font-weight: inherit;
    color: inherit;
    margin: 0;
    display: inline;
    letter-spacing: inherit;
}
.top-nav .brand-name:hover {
    color: var(--color-bright);
    transform: scale(1.03);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
}
.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.93rem;
    padding: 7px 14px;
    border-radius: 20px;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.4px;
}
.nav-links a:hover,
.nav-links a:focus-visible {
    background: var(--color-light);
    color: var(--color-deep);
    outline: none;
}
.btn-nav-cta {
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-bright), var(--color-deep));
    color: #fff !important;
    border: none;
    padding: 10px 22px !important;
    border-radius: 24px !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    cursor: pointer;
    letter-spacing: 0.6px;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(241, 43, 107, 0.3);
    text-decoration: none;
    display: inline-block;
    white-space: nowrap;
}
.btn-nav-cta:hover {
    box-shadow: 0 6px 24px rgba(241, 43, 107, 0.45);
    transform: translateY(-2px);
    color: #fff !important;
    background: linear-gradient(135deg, #ff5c8a, #f12b6b);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-shrink: 0;
    z-index: 1001;
}
.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--color-deep);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 28px;
    display: grid;
    grid-template-columns: 1fr 370px;
    gap: 28px;
    flex: 1;
}
.content-left {
    min-width: 0;
}
.sidebar-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0;
}

.section-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 26px 24px;
    box-shadow: 0 2px 16px var(--color-shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    scroll-margin-top: 80px;
}
.section-card:hover {
    box-shadow: 0 4px 24px var(--color-shadow-hover);
}
.section-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-deep);
    margin-bottom: 18px;
    padding-left: 14px;
    border-left: 4px solid var(--color-bright);
    letter-spacing: 0.8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.section-subtitle {
    font-size: 1.05rem;
    font-weight: 600;
    color: #444;
    margin: 14px 0 10px;
}

.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}
.comic-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 10px var(--color-shadow);
    display: flex;
    flex-direction: column;
}
.comic-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 10px 28px var(--color-shadow-hover);
    border-color: var(--color-medium);
}
.comic-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    background: #fef0f3;
    flex-shrink: 0;
}
.comic-card .comic-info {
    padding: 12px 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.comic-card .comic-title {
    font-weight: 700;
    font-size: 0.95rem;
    color: #333;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.comic-card .comic-meta {
    font-size: 0.75rem;
    color: #888;
    display: flex;
    flex-wrap: wrap;
    gap: 4px 8px;
    line-height: 1.4;
}
.comic-card .comic-meta span {
    background: #fef5f7;
    padding: 2px 7px;
    border-radius: 10px;
    white-space: nowrap;
    font-size: 0.7rem;
}
.comic-type-tag {
    display: inline-block;
    background: var(--color-light) !important;
    color: var(--color-deep) !important;
    font-weight: 600 !important;
    padding: 3px 9px !important;
    border-radius: 12px !important;
    font-size: 0.7rem !important;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.featured-card {
    background: linear-gradient(135deg, #fff5f7, #fff);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: 0 2px 8px var(--color-shadow);
    display: flex;
    flex-direction: column;
}
.featured-card:hover {
    border-color: var(--color-bright);
    box-shadow: 0 8px 22px var(--color-shadow-hover);
    transform: translateY(-3px);
}
.featured-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    background: #fef0f3;
}
.featured-card .featured-info {
    padding: 10px 12px;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: #444;
}

.character-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}
.character-card {
    text-align: center;
    background: #fffafb;
    border-radius: var(--radius-md);
    padding: 16px 10px;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    cursor: pointer;
}
.character-card:hover {
    background: #fff;
    box-shadow: 0 6px 18px var(--color-shadow-hover);
    transform: translateY(-3px);
}
.character-card img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 8px;
    display: block;
    background: #fef0f3;
    border: 3px solid var(--color-light);
}
.character-card .char-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #333;
}
.character-card .char-role {
    font-size: 0.72rem;
    color: #999;
    margin-top: 2px;
}

.advantages-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.advantage-item {
    text-align: center;
    padding: 20px 14px;
    background: #fffafb;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}
.advantage-item:hover {
    background: #fff;
    box-shadow: 0 4px 16px var(--color-shadow-hover);
}
.advantage-icon-wrap {
    width: 50px;
    height: 50px;
    margin: 0 auto 10px;
    background: var(--color-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-deep);
}
.advantage-item h4 {
    font-size: 0.95rem;
    color: #333;
    margin-bottom: 4px;
}
.advantage-item p {
    font-size: 0.75rem;
    color: #999;
    line-height: 1.4;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: var(--transition);
    background: #fffafb;
}
.faq-item summary {
    padding: 14px 18px;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    color: #444;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    color: var(--color-bright);
    font-weight: 700;
    transition: var(--transition);
}
.faq-item[open] summary::after {
    content: '−';
    transform: rotate(180deg);
}
.faq-item .faq-answer {
    padding: 0 18px 16px;
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}
.faq-item[open] {
    background: #fff;
    box-shadow: 0 2px 10px var(--color-shadow);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tag-cloud .tag {
    background: var(--color-light);
    color: var(--color-deep);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: 1.5px solid transparent;
}
.tag-cloud .tag:hover {
    background: var(--color-deep);
    color: #fff;
    border-color: var(--color-deep);
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(241, 43, 107, 0.35);
}

.app-download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}
.app-download-card {
    background: #fffafb;
    border-radius: var(--radius-md);
    padding: 18px 14px;
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.app-download-card:hover {
    border-color: var(--color-bright);
    box-shadow: 0 8px 24px var(--color-shadow-hover);
    transform: translateY(-4px);
    background: #fff;
}
.app-download-card .app-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}
.app-download-card .app-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: #333;
}
.app-download-card .app-version {
    font-size: 0.7rem;
    color: #aaa;
}
.btn-download-sm {
    background: var(--color-bright);
    color: #fff;
    border: none;
    padding: 7px 18px;
    border-radius: 18px;
    font-weight: 600;
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}
.btn-download-sm:hover {
    background: var(--color-deep);
    box-shadow: 0 4px 12px rgba(241, 43, 107, 0.4);
}

.sidebar-right .section-card {
    padding: 20px 18px;
}
.sidebar-right .section-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
    padding-left: 10px;
    border-left-width: 3px;
}
.stat-row {
    display: flex;
    justify-content: space-around;
    text-align: center;
    gap: 8px;
    flex-wrap: wrap;
}
.stat-item {
    flex: 1;
    min-width: 70px;
    background: #fffafb;
    border-radius: var(--radius-sm);
    padding: 12px 8px;
    border: 1px solid var(--color-border);
}
.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-deep);
}
.stat-label {
    font-size: 0.7rem;
    color: #999;
    margin-top: 2px;
}
.update-time {
    font-size: 0.7rem;
    color: #bbb;
    text-align: center;
    margin-top: 8px;
}
.rank-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.rank-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
    background: #fffafb;
}
.rank-list li:hover {
    background: #fff;
    border-color: var(--color-light);
    box-shadow: 0 2px 8px var(--color-shadow);
}
.rank-num {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--color-bright);
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}
.rank-num.top3 {
    color: #f12b6b;
    font-size: 1.3rem;
}
.rank-info {
    flex: 1;
    min-width: 0;
}
.rank-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: #333;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.rank-sub {
    font-size: 0.7rem;
    color: #aaa;
}
.rank-change {
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}
.rank-change.up {
    color: #e74c3c;
}
.rank-change.down {
    color: #27ae60;
}

.comment-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 520px;
    overflow-y: auto;
    padding-right: 4px;
}
.comment-list::-webkit-scrollbar {
    width: 4px;
}
.comment-list::-webkit-scrollbar-thumb {
    background: #fdd4df;
    border-radius: 4px;
}
.comment-item {
    background: #fffafb;
    border-radius: var(--radius-sm);
    padding: 12px 13px;
    border: 1px solid var(--color-border);
    font-size: 0.8rem;
    color: #555;
    line-height: 1.5;
    transition: var(--transition);
}
.comment-item:hover {
    background: #fff;
    box-shadow: 0 2px 8px var(--color-shadow);
}
.comment-author {
    font-weight: 700;
    font-size: 0.78rem;
    color: var(--color-deep);
    margin-bottom: 4px;
}
.comment-text {
    color: #666;
    font-size: 0.78rem;
    line-height: 1.55;
}

.bottom-nav {
    width: 100%;
    background: #2d1a22;
    color: #ddd;
    padding: 36px 28px 24px;
    margin-top: auto;
}
.bottom-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.bottom-nav h4 {
    color: #fff;
    margin-bottom: 12px;
    font-size: 1rem;
    letter-spacing: 0.5px;
}
.bottom-nav a {
    color: #ccc;
    text-decoration: none;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 6px;
    transition: var(--transition);
}
.bottom-nav a:hover {
    color: var(--color-medium);
    padding-left: 4px;
}
.bottom-bar {
    width: 100%;
    background: #1f1117;
    color: #999;
    text-align: center;
    padding: 14px 20px;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}
.bottom-bar a {
    color: #ccc;
    text-decoration: none;
    margin: 0 8px;
    transition: var(--transition);
}
.bottom-bar a:hover {
    color: var(--color-medium);
}

@media (max-width: 1200px) {
    .comic-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .character-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .main-container {
        grid-template-columns: 1fr 320px;
        gap: 20px;
        padding: 18px 16px;
    }
    .app-download-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .advantages-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 900px) {
    .comic-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .comic-card img {
        height: 180px;
    }
    .character-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .main-container {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .sidebar-right {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .sidebar-right .section-card {
        padding: 16px 14px;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 62px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
        z-index: 999;
        border-bottom: 2px solid var(--color-light);
    }
    .nav-links.show {
        display: flex;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .top-nav-inner {
        padding: 0 16px;
        height: 54px;
    }
    .app-download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .advantages-row {
        grid-template-columns: repeat(2, 1fr);
    }
    .bottom-nav-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .top-nav .brand-name {
        font-size: 1.3rem;
    }
}
@media (max-width: 560px) {
    .comic-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .comic-card img {
        height: 150px;
    }
    .comic-card .comic-info {
        padding: 8px 6px 10px;
    }
    .comic-card .comic-title {
        font-size: 0.78rem;
    }
    .character-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .character-card img {
        width: 55px;
        height: 55px;
    }
    .sidebar-right {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .section-card {
        padding: 16px 12px;
        border-radius: var(--radius-md);
    }
    .section-title {
        font-size: 1.1rem;
    }
    .app-download-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .advantages-row {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .stat-row {
        gap: 4px;
    }
    .stat-value {
        font-size: 1.2rem;
    }
    .bottom-nav-inner {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .top-nav-inner {
        padding: 0 10px;
        height: 48px;
        gap: 8px;
    }
    .top-nav .brand-name {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }
    .btn-nav-cta {
        padding: 7px 14px !important;
        font-size: 0.78rem !important;
    }
    .main-container {
        padding: 10px 8px;
        gap: 12px;
    }
    .tag-cloud .tag {
        padding: 5px 10px;
        font-size: 0.72rem;
    }
}