:root {
    --color-primary: #3b302f;
    --color-aux1: #c4a38d;
    --color-aux2: #9b9c93;
    --color-aux3: #9a9394;
    --color-bg: #1a1615;
    --color-bg-alt: #241f1e;
    --color-bg-card: #2e2726;
    --color-text: #e8e0dc;
    --color-text-muted: #a89e9a;
    --color-border: rgba(196, 163, 141, 0.15);
    --color-accent-glow: rgba(196, 163, 141, 0.3);
    --font-main: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.45);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    color: var(--color-aux1);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: #d4b8a5;
}

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

/* ========== 头部导航 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 22, 21, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(26, 22, 21, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-aux1);
    transition: opacity var(--transition);
}

.logo:hover {
    color: var(--color-aux1);
    opacity: 0.85;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a {
    color: var(--color-text-muted);
    font-size: 0.88rem;
    font-weight: 400;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all var(--transition);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-aux1);
    background: rgba(196, 163, 141, 0.1);
}

.main-nav a i {
    margin-right: 4px;
    font-size: 0.8rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background var(--transition);
}

.menu-toggle:hover {
    background: rgba(196, 163, 141, 0.1);
}

/* ========== 英雄区 ========== */
.hero {
    padding: 100px 0 50px;
    background: url('img/特工17-2-cover.webp') center center / cover no-repeat;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 22, 21, 0.88) 0%, rgba(36, 31, 30, 0.82) 50%, rgba(59, 48, 47, 0.85) 100%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-text);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-aux1);
    display: block;
    margin-top: 4px;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin: 16px 0 24px;
    line-height: 1.8;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: rgba(196, 163, 141, 0.12);
    border: 1px solid rgba(196, 163, 141, 0.2);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--color-aux1);
    font-weight: 500;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

.meta-item i {
    color: var(--color-aux2);
    font-size: 0.82rem;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 42px;
    background: linear-gradient(135deg, var(--color-aux1), #b08e78);
    color: var(--color-primary);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: 0 4px 20px rgba(196, 163, 141, 0.35);
    letter-spacing: 1px;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(196, 163, 141, 0.5);
    color: var(--color-primary);
}

.btn-download:active {
    transform: translateY(0);
}

/* ========== 通用区域样式 ========== */
.section {
    padding: 70px 0;
}

.section:nth-child(even) {
    background-color: var(--color-bg-alt);
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 48px;
    position: relative;
}

.section-title i {
    color: var(--color-aux1);
    margin-right: 10px;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-aux1), transparent);
    margin: 12px auto 0;
    border-radius: 2px;
}

/* ========== 新闻动态 ========== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.news-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(196, 163, 141, 0.3);
}

.news-date {
    font-size: 0.82rem;
    color: var(--color-aux2);
    margin-bottom: 10px;
}

.news-date i {
    margin-right: 4px;
}

.news-title {
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 10px;
}

.news-excerpt {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-link {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-aux1);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.news-link:hover {
    gap: 10px;
}

/* ========== 媒体画廊 ========== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
    box-shadow: var(--shadow-hover);
    border-color: rgba(196, 163, 141, 0.35);
}

.gallery-item::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    background: rgba(59, 48, 47, 0.5);
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========== 灯箱 ========== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--radius);
    box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
    transition: transform 0.35s ease;
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(196, 163, 141, 0.15);
    border: 1px solid rgba(196, 163, 141, 0.25);
    color: var(--color-text);
    cursor: pointer;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all var(--transition);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(196, 163, 141, 0.3);
}

.lightbox-close {
    top: 24px;
    right: 24px;
}

.lightbox-prev {
    left: 24px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
}

/* ========== 用户评价 ========== */
.reviews-summary {
    text-align: center;
    margin-bottom: 40px;
}

.rating-overview {
    margin-bottom: 20px;
}

.rating-score {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-aux1);
    line-height: 1;
}

.rating-stars {
    color: #f0b652;
    font-size: 1.3rem;
    margin: 8px 0;
    letter-spacing: 3px;
}

.rating-count {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.rating-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.rating-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    background: rgba(196, 163, 141, 0.1);
    border: 1px solid rgba(196, 163, 141, 0.15);
    border-radius: 20px;
    font-size: 0.84rem;
    color: var(--color-aux1);
}

.rating-tag i {
    font-size: 0.7rem;
}

.reviews-carousel {
    overflow: hidden;
    position: relative;
}

.reviews-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.review-card {
    flex: 0 0 calc(33.333% - 16px);
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.review-card:hover {
    border-color: rgba(196, 163, 141, 0.3);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-aux1), var(--color-aux3));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 1.2rem;
}

.review-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.review-stars {
    color: #f0b652;
    font-size: 0.78rem;
    letter-spacing: 2px;
    margin-top: 2px;
}

.review-text {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 28px;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(196, 163, 141, 0.12);
    border: 1px solid rgba(196, 163, 141, 0.2);
    color: var(--color-aux1);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: all var(--transition);
}

.carousel-btn:hover {
    background: rgba(196, 163, 141, 0.25);
}

.carousel-dots {
    display: flex;
    gap: 8px;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(196, 163, 141, 0.2);
    cursor: pointer;
    transition: all var(--transition);
}

.carousel-dot.active {
    background: var(--color-aux1);
    transform: scale(1.2);
}

/* ========== 版本历史 ========== */
.version-timeline {
    position: relative;
    padding-left: 32px;
}

.version-timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-aux1), rgba(196, 163, 141, 0.1));
}

.version-item {
    position: relative;
    margin-bottom: 32px;
}

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

.version-marker {
    position: absolute;
    left: -32px;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-aux1);
    border: 3px solid var(--color-bg);
    box-shadow: 0 0 0 2px var(--color-aux1);
}

.version-item:first-child .version-marker {
    box-shadow: 0 0 0 2px var(--color-aux1), 0 0 12px rgba(196, 163, 141, 0.4);
}

.version-content {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.version-content:hover {
    border-color: rgba(196, 163, 141, 0.3);
}

.version-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}

.version-tag {
    display: inline-block;
    padding: 3px 14px;
    background: linear-gradient(135deg, var(--color-aux1), #b08e78);
    color: var(--color-primary);
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 700;
}

.version-date,
.version-size,
.version-platform {
    font-size: 0.84rem;
    color: var(--color-text-muted);
}

.version-date i,
.version-size i,
.version-platform i {
    margin-right: 4px;
    color: var(--color-aux2);
}

.version-changes {
    list-style: none;
    margin-bottom: 16px;
}

.version-changes li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    position: relative;
    padding-left: 18px;
}

.version-changes li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-aux1);
    font-weight: 700;
}

.version-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(196, 163, 141, 0.12);
    border: 1px solid rgba(196, 163, 141, 0.25);
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-aux1);
    transition: all var(--transition);
}

.version-download:hover {
    background: rgba(196, 163, 141, 0.2);
    color: var(--color-aux1);
}

/* ========== 游戏攻略 ========== */
.guides-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 36px;
}

.filter-btn {
    padding: 8px 22px;
    background: rgba(196, 163, 141, 0.08);
    border: 1px solid rgba(196, 163, 141, 0.2);
    border-radius: 24px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-aux1);
    color: var(--color-primary);
    border-color: var(--color-aux1);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.guide-card {
    background: var(--color-bg-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.guide-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(196, 163, 141, 0.3);
}

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

.guide-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(196, 163, 141, 0.2), rgba(196, 163, 141, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-aux1);
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.guide-title {
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.guide-desc {
    font-size: 0.86rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.guide-meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.guide-difficulty {
    font-size: 0.8rem;
    color: var(--color-aux1);
}

.guide-difficulty i {
    margin-right: 4px;
}

.guide-type {
    font-size: 0.76rem;
    padding: 2px 10px;
    background: rgba(155, 156, 147, 0.15);
    border-radius: 12px;
    color: var(--color-aux2);
    display: inline-block;
    width: fit-content;
}

/* ========== 游戏章节 ========== */
.chapters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.chapter-card {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 1px solid var(--color-border);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.chapter-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(196, 163, 141, 0.3);
}

.chapter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-aux1), transparent);
}

.chapter-card.side-chapter::before {
    background: linear-gradient(90deg, var(--color-aux2), transparent);
}

.chapter-badge {
    display: inline-block;
    padding: 3px 12px;
    background: linear-gradient(135deg, var(--color-aux1), #b08e78);
    color: var(--color-primary);
    font-size: 0.76rem;
    font-weight: 700;
    border-radius: 12px;
    margin-bottom: 10px;
}

.chapter-badge.side {
    background: linear-gradient(135deg, var(--color-aux2), var(--color-aux3));
}

.chapter-number {
    font-size: 0.84rem;
    color: var(--color-aux2);
    font-weight: 500;
    margin-bottom: 6px;
}

.chapter-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 10px;
}

.chapter-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.chapter-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chapter-details span {
    font-size: 0.82rem;
    color: var(--color-aux3);
}

.chapter-details span i {
    width: 18px;
    text-align: center;
    color: var(--color-aux2);
    margin-right: 6px;
}

/* ========== 常见问题 ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color var(--transition);
}

.faq-item:hover {
    border-color: rgba(196, 163, 141, 0.3);
}

.faq-item.active {
    border-color: rgba(196, 163, 141, 0.35);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    background: var(--color-bg-card);
    border: none;
    color: var(--color-text);
    font-size: 0.98rem;
    font-weight: 500;
    font-family: var(--font-main);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition);
}

.faq-question:hover {
    background: rgba(196, 163, 141, 0.06);
}

.faq-icon {
    color: var(--color-aux1);
    font-size: 0.85rem;
    transition: transform 0.35s ease;
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

/* ========== 底部 ========== */
.site-footer {
    background: var(--color-primary);
    padding: 56px 0 0;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    padding-bottom: 40px;
}

.footer-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-aux1);
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.footer-links a:hover {
    color: var(--color-aux1);
    padding-left: 4px;
}

.footer-about {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(196, 163, 141, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: var(--color-aux3);
}

.footer-legal {
    margin-top: 6px;
    font-size: 0.78rem !important;
    color: var(--color-text-muted) !important;
    opacity: 0.6;
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-aux1), #b08e78);
    color: var(--color-primary);
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px);
    transition: all var(--transition);
    box-shadow: 0 4px 16px rgba(196, 163, 141, 0.3);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 24px rgba(196, 163, 141, 0.45);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .review-card {
        flex: 0 0 calc(50% - 12px);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(26, 22, 21, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.4s ease;
        z-index: 999;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
    }

    .main-nav a {
        padding: 12px 16px;
        font-size: 0.95rem;
        border-radius: 8px;
    }

    .hero {
        padding: 90px 0 40px;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-meta {
        gap: 10px;
    }

    .meta-item {
        font-size: 0.82rem;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 36px;
    }

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

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

    .gallery-item:last-child:nth-child(odd) {
        grid-column: 1 / -1;
        max-width: 50%;
        margin: 0 auto;
    }

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

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

    .review-card {
        flex: 0 0 100%;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
    }

    .version-header {
        gap: 8px;
    }

    .lightbox-prev {
        left: 12px;
    }

    .lightbox-next {
        right: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-tags {
        gap: 6px;
    }

    .tag {
        padding: 4px 10px;
        font-size: 0.76rem;
    }

    .hero-meta {
        gap: 8px;
    }

    .meta-item {
        font-size: 0.78rem;
    }

    .btn-download {
        padding: 12px 32px;
        font-size: 1rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

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

    .guides-filter {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 0.84rem;
    }
}