:root {
    --color-purple: #ba52ed;
    --color-pink: #ff99fe;
    --color-cyan: #a4f6f9;
    --color-light-bg: #e4fffe;
    --color-white: #ffffff;
    --color-text: #2c3e50;
    --color-text-light: #5a6c7d;
    --color-text-lighter: #7f8c9b;
    --color-border: #e8f4f4;
    --color-card-shadow: rgba(186, 82, 237, 0.08);
    --color-card-hover-shadow: rgba(186, 82, 237, 0.18);
    --color-gradient-1: linear-gradient(135deg, #ba52ed 0%, #ff99fe 100%);
    --color-gradient-2: linear-gradient(135deg, #a4f6f9 0%, #e4fffe 100%);
    --color-gradient-3: linear-gradient(135deg, #ba52ed 0%, #a4f6f9 100%);
    --nav-height: 64px;
    --sidebar-width: 340px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-family);
    background-color: #f5fdfd;
    background-image: linear-gradient(180deg, #e4fffe 0%, #f5fdfd 8%, #f8fefe 100%);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.top-nav {
    width: 100%;
    height: var(--nav-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.top-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    gap: 16px;
}
.nav-logo h1 {
    font-size: 1.55rem;
    font-weight: 700;
    background: var(--color-gradient-1);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition-normal);
    margin: 0;
}
.nav-logo h1:hover {
    transform: scale(1.04);
    filter: brightness(1.1);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex-shrink: 1;
    justify-content: center;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 22px;
    white-space: nowrap;
    transition: var(--transition-fast);
    position: relative;
    letter-spacing: 0.3px;
}
.nav-links a:hover,
.nav-links a:focus {
    background: rgba(186, 82, 237, 0.07);
    color: var(--color-purple);
    outline: none;
}
.nav-links a.active {
    background: var(--color-gradient-1);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(186, 82, 237, 0.3);
}
.btn-nav-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 22px;
    background: var(--color-gradient-1);
    color: #fff;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: var(--transition-normal);
    box-shadow: 0 4px 16px rgba(186, 82, 237, 0.3);
    letter-spacing: 0.3px;
}
.btn-nav-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(186, 82, 237, 0.4);
    filter: brightness(1.05);
}

.main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 28px 24px 40px;
    display: flex;
    gap: 28px;
    align-items: flex-start;
}
.main-content { flex: 1; min-width: 0; }
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: calc(var(--nav-height) + 28px);
    max-height: calc(100vh - var(--nav-height) - 56px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #d0e8e8 transparent;
    padding-right: 4px;
}
.sidebar::-webkit-scrollbar { width: 5px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: #d0e8e8; border-radius: 10px; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}
.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    padding-left: 16px;
    letter-spacing: 0.3px;
}
.section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 26px;
    background: var(--color-gradient-1);
    border-radius: 3px;
}
.section-more {
    font-size: 0.85rem;
    color: var(--color-purple);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.section-more:hover { color: #9a3fd6; text-decoration: underline; }

.comic-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 18px;
    margin-bottom: 36px;
}
.comic-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px var(--color-card-shadow);
    transition: var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid transparent;
}
.comic-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px var(--color-card-hover-shadow);
    border-color: rgba(186, 82, 237, 0.2);
}
.comic-card-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 3 / 4.2;
    overflow: hidden;
    background: #f0f5f5;
    flex-shrink: 0;
}
.comic-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}
.comic-card:hover .comic-card-img-wrap img { transform: scale(1.08); }
.comic-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--color-gradient-1);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 14px;
    z-index: 2;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(186, 82, 237, 0.35);
}
.comic-card-badge.hot { background: linear-gradient(135deg, #ff6b6b, #ff99fe); }
.comic-card-badge.new { background: linear-gradient(135deg, #a4f6f9, #4ecdc4); }
.comic-card-info {
    padding: 12px 14px 14px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.comic-card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.2px;
}
.comic-card-meta {
    font-size: 0.72rem;
    color: var(--color-text-lighter);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.comic-card-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.comic-card-meta .meta-label { color: var(--color-text-light); font-weight: 500; margin-right: 2px; }
.comic-card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.comic-tag {
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 10px;
    background: rgba(164, 246, 249, 0.35);
    color: #3a8f94;
    font-weight: 500;
    white-space: nowrap;
    letter-spacing: 0.3px;
}
.comic-tag.purple { background: rgba(186, 82, 237, 0.1); color: #8b3fc7; }

.featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-bottom: 36px;
}
.featured-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 3px 16px var(--color-card-shadow);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 1px solid transparent;
    position: relative;
}
.featured-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 34px var(--color-card-hover-shadow);
    border-color: rgba(164, 246, 249, 0.5);
}
.featured-card-img-wrap {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #f0f5f5;
}
.featured-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}
.featured-card:hover .featured-card-img-wrap img { transform: scale(1.06); }
.featured-card-info { padding: 14px 16px 16px; }
.featured-card-title { font-size: 1rem; font-weight: 700; color: var(--color-text); margin-bottom: 4px; letter-spacing: 0.2px; }
.featured-card-desc {
    font-size: 0.78rem;
    color: var(--color-text-lighter);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comic-detail-section {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    margin-bottom: 36px;
    box-shadow: 0 3px 16px var(--color-card-shadow);
    border: 1px solid var(--color-border);
}
.comic-detail-inner { display: flex; gap: 24px; align-items: flex-start; }
.comic-detail-cover {
    width: 200px;
    height: 280px;
    flex-shrink: 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
    background: #f0f5f5;
}
.comic-detail-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.comic-detail-text { flex: 1; min-width: 0; }
.comic-detail-text h3 { font-size: 1.5rem; font-weight: 700; color: var(--color-text); margin-bottom: 10px; letter-spacing: 0.3px; }
.comic-detail-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--color-text-light);
}
.comic-detail-meta-row span strong { color: var(--color-text); margin-right: 4px; }
.comic-detail-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 14px;
}
.comic-detail-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.comic-detail-stat {
    text-align: center;
    padding: 10px 16px;
    background: rgba(164, 246, 249, 0.2);
    border-radius: var(--border-radius-sm);
    min-width: 70px;
}
.comic-detail-stat .stat-num { font-size: 1.3rem; font-weight: 700; color: var(--color-purple); display: block; line-height: 1; }
.comic-detail-stat .stat-label { font-size: 0.7rem; color: var(--color-text-lighter); margin-top: 4px; }

.character-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}
.character-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 18px 14px;
    text-align: center;
    box-shadow: 0 2px 12px var(--color-card-shadow);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 1px solid transparent;
}
.character-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px var(--color-card-hover-shadow);
    border-color: rgba(255, 153, 254, 0.4);
}
.character-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 12px;
    background: #f0f5f5;
    border: 3px solid var(--color-pink);
    box-shadow: 0 4px 14px rgba(255, 153, 254, 0.25);
}
.character-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.character-card h4 { font-size: 0.9rem; font-weight: 700; color: var(--color-text); margin-bottom: 4px; letter-spacing: 0.2px; }
.character-card .char-role { font-size: 0.7rem; color: var(--color-purple); font-weight: 600; margin-bottom: 6px; }
.character-card .char-desc {
    font-size: 0.72rem;
    color: var(--color-text-lighter);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.comments-section { margin-bottom: 36px; }
.comments-list { display: flex; flex-direction: column; gap: 14px; }
.comment-item {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 18px 20px;
    box-shadow: 0 2px 10px var(--color-card-shadow);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}
.comment-item:hover {
    border-color: rgba(164, 246, 249, 0.5);
    box-shadow: 0 6px 20px var(--color-card-hover-shadow);
}
.comment-body { flex: 1; min-width: 0; }
.comment-user { font-weight: 700; font-size: 0.9rem; color: var(--color-text); margin-bottom: 2px; }
.comment-time { font-size: 0.7rem; color: var(--color-text-lighter); margin-bottom: 6px; }
.comment-text { font-size: 0.85rem; color: var(--color-text-light); line-height: 1.7; word-break: break-word; }
.comment-actions { display: flex; gap: 14px; margin-top: 8px; font-size: 0.75rem; color: var(--color-text-lighter); }
.comment-actions span { cursor: pointer; transition: var(--transition-fast); display: inline-flex; align-items: center; gap: 3px; }
.comment-actions span:hover { color: var(--color-purple); }

.platform-intro {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 28px 30px;
    margin-bottom: 36px;
    box-shadow: 0 3px 16px var(--color-card-shadow);
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
}
.platform-intro::before {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(164, 246, 249, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.platform-intro h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; color: var(--color-text); position: relative; }
.platform-intro p { font-size: 0.9rem; color: var(--color-text-light); line-height: 1.9; position: relative; margin-bottom: 8px; }
.platform-features { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; position: relative; }
.platform-feature-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(164, 246, 249, 0.25);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 500;
    color: #3a6f73;
}
.platform-feature-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-purple); flex-shrink: 0; }

.app-download-section {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 28px 30px;
    margin-bottom: 36px;
    box-shadow: 0 3px 16px var(--color-card-shadow);
    border: 1px solid var(--color-border);
}
.app-download-section h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; color: var(--color-text); }
.app-download-subtitle { font-size: 0.85rem; color: var(--color-text-lighter); margin-bottom: 20px; }
.download-buttons { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 16px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    letter-spacing: 0.3px;
    color: #fff;
    background: var(--color-gradient-1);
    box-shadow: 0 4px 14px rgba(186, 82, 237, 0.25);
}
.download-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(186, 82, 237, 0.35); filter: brightness(1.06); }
.download-btn.ios-mac { background: linear-gradient(135deg, #3a3a3a 0%, #1a1a1a 100%); box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2); }
.download-btn.pc { background: linear-gradient(135deg, #52616b 0%, #3a4752 100%); box-shadow: 0 4px 14px rgba(82, 97, 107, 0.3); }
.download-btn .app-icon { flex-shrink: 0; width: 22px; height: 22px; }
.download-btn.ios-mac .app-icon { filter: brightness(0) invert(1); }

.sidebar-card {
    background: var(--color-white);
    border-radius: var(--border-radius);
    padding: 20px 18px;
    box-shadow: 0 2px 12px var(--color-card-shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}
.sidebar-card:hover { box-shadow: 0 6px 20px var(--color-card-hover-shadow); }
.sidebar-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(164, 246, 249, 0.5);
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-card h4::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--color-gradient-1);
    border-radius: 2px;
    display: inline-block;
    flex-shrink: 0;
}
.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(--border-radius-sm);
    transition: var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}
.rank-item:hover { background: rgba(164, 246, 249, 0.18); }
.rank-num {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.78rem;
    flex-shrink: 0;
    color: #fff;
    background: #b0c4c8;
}
.rank-item:nth-child(1) .rank-num { background: linear-gradient(135deg, #ff6b6b, #ff99fe); }
.rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #ff99fe, #ba52ed); }
.rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #ba52ed, #a4f6f9); }
.rank-info { flex: 1; min-width: 0; }
.rank-title { font-size: 0.82rem; font-weight: 600; color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-sub { font-size: 0.68rem; color: var(--color-text-lighter); margin-top: 1px; }
.rank-change { font-size: 0.75rem; font-weight: 700; flex-shrink: 0; }
.rank-change.up { color: #e74c3c; }
.rank-change.down { color: #27ae60; }

.total-read-card { text-align: center; padding: 22px 18px; }
.total-read-num { font-size: 2rem; font-weight: 800; background: var(--color-gradient-3); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; margin-bottom: 6px; }
.total-read-label { font-size: 0.8rem; color: var(--color-text-lighter); margin-bottom: 4px; }
.total-read-time { font-size: 0.7rem; color: #aaa; margin-top: 8px; }

.stats-mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; }
.stats-mini-item { padding: 12px 6px; background: rgba(164, 246, 249, 0.18); border-radius: var(--border-radius-sm); }
.stats-mini-num { font-size: 1.2rem; font-weight: 700; color: var(--color-purple); line-height: 1; }
.stats-mini-label { font-size: 0.65rem; color: var(--color-text-lighter); margin-top: 4px; }

.bottom-nav {
    width: 100%;
    background: #2c3e50;
    color: #c0ccd8;
    padding: 40px 24px 28px;
    margin-top: 20px;
}
.bottom-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.bottom-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.3px; }
.bottom-col ul { list-style: none; }
.bottom-col ul li { margin-bottom: 8px; }
.bottom-col ul li a { color: #c0ccd8; text-decoration: none; font-size: 0.82rem; transition: var(--transition-fast); }
.bottom-col ul li a:hover { color: var(--color-pink); text-decoration: underline; }
.bottom-bar {
    max-width: 1400px;
    margin: 20px auto 0;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.75rem;
    color: #8899a6;
    align-items: center;
    justify-content: space-between;
}
.bottom-bar a { color: #a4f6f9; text-decoration: none; font-weight: 500; transition: var(--transition-fast); }
.bottom-bar a:hover { color: #ff99fe; text-decoration: underline; }
.bottom-brand-links { display: flex; flex-wrap: wrap; gap: 14px; }

.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: #2c3e50;
    color: #fff;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.85rem;
    z-index: 9999;
    opacity: 0;
    transition: all 0.35s ease;
    pointer-events: none;
    white-space: nowrap;
    font-weight: 500;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 1200px) {
    .comic-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .featured-grid { grid-template-columns: repeat(3, 1fr); }
    .character-grid { grid-template-columns: repeat(4, 1fr); }
    .download-buttons { grid-template-columns: repeat(2, 1fr); }
    .sidebar { width: 290px; }
    .bottom-nav-inner { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 992px) {
    .main-container { flex-direction: column; }
    .sidebar {
        width: 100%;
        position: static;
        max-height: none;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        order: 10;
    }
    .comic-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .comic-detail-inner { flex-direction: column; align-items: center; text-align: center; }
    .comic-detail-cover { width: 160px; height: 224px; }
    .comic-detail-meta-row { justify-content: center; }
    .comic-detail-stats { justify-content: center; }
    .download-buttons { grid-template-columns: repeat(2, 1fr); }
    .bottom-nav-inner { grid-template-columns: repeat(2, 1fr); }
    .nav-links a { padding: 6px 10px; font-size: 0.78rem; border-radius: 16px; }
    .btn-nav-action { padding: 8px 14px; font-size: 0.78rem; }
}
@media (max-width: 640px) {
    .top-nav-inner { padding: 0 12px; gap: 8px; }
    .nav-logo h1 { font-size: 1.2rem; }
    .nav-links a { padding: 5px 8px; font-size: 0.7rem; border-radius: 14px; letter-spacing: 0; }
    .btn-nav-action { padding: 7px 12px; font-size: 0.7rem; border-radius: 20px; }
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .featured-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .download-buttons { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .sidebar { grid-template-columns: 1fr; gap: 12px; }
    .comic-detail-section { padding: 16px; }
    .comic-detail-cover { width: 130px; height: 182px; }
    .comment-item { padding: 12px 14px; }
    .bottom-nav-inner { grid-template-columns: 1fr 1fr; gap: 16px; }
    .bottom-bar { flex-direction: column; align-items: flex-start; gap: 8px; }
    .section-title { font-size: 1.1rem; }
    .platform-intro, .app-download-section { padding: 18px 16px; }
}
@media (max-width: 400px) {
    .comic-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .featured-grid { grid-template-columns: 1fr; }
    .character-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .download-buttons { grid-template-columns: 1fr 1fr; gap: 6px; }
    .nav-links a { padding: 4px 6px; font-size: 0.65rem; }
    .btn-nav-action { padding: 6px 10px; font-size: 0.65rem; }
    .nav-logo h1 { font-size: 1rem; }
    .stats-mini-grid { grid-template-columns: repeat(3, 1fr); gap: 4px; }
    .stats-mini-item { padding: 8px 4px; }
    .stats-mini-num { font-size: 0.95rem; }
}