/* ===== CSS变量定义 ===== */
:root {
    --primary-color: #301d19;
    --secondary-color-1: #c19774;
    --secondary-color-2: #939489;
    --secondary-color-3: #928c94;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f8f8;
    --bg-dark: #2a2a2a;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* ===== 全局样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ===== 返回顶部按钮 ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color-1));
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.back-to-top.show {
    display: flex;
}

/* ===== 头部导航 ===== */
.header {
    background: rgba(48, 29, 25, 0.98);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 70px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-white);
    font-size: 24px;
    font-weight: 700;
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
}

.logo img {
    width: 40px;
    height: 40px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    border-radius: 3px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-menu li a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--text-white);
    text-decoration: none;
    border-radius: 6px;
    transition: var(--transition);
    font-size: 15px;
}

.nav-menu li a:hover {
    background: rgba(193, 151, 116, 0.2);
    color: var(--secondary-color-1);
}

.nav-menu li a i {
    font-size: 14px;
}

/* ===== 英雄区 ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #4a3530 100%);
    color: var(--text-white);
    padding: 60px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(193,151,116,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 10px;
    font-family: 'Montserrat', 'Noto Sans SC', sans-serif;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--secondary-color-1);
    font-family: 'Montserrat', sans-serif;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 25px;
    opacity: 0.95;
}

.hero-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
    margin-bottom: 25px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px 18px;
    border-radius: 25px;
    backdrop-filter: blur(10px);
}

.info-item i {
    color: var(--secondary-color-1);
}

.hero-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.tag {
    background: rgba(193, 151, 116, 0.25);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid rgba(193, 151, 116, 0.4);
    display: flex;
    align-items: center;
    gap: 6px;
}

.tag i {
    font-size: 13px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--secondary-color-1), #d4a57a);
    color: var(--text-white);
    padding: 16px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    box-shadow: 0 6px 25px rgba(193, 151, 116, 0.4);
    transition: var(--transition);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 35px rgba(193, 151, 116, 0.5);
}

/* ===== 游戏介绍 ===== */
.game-intro {
    padding: 80px 20px;
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color-1), var(--secondary-color-2));
    border-radius: 2px;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    align-items: center;
}

.intro-image {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.intro-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-hover);
}

.intro-text p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-light);
    text-align: justify;
}

/* ===== 新闻动态 ===== */
.news {
    padding: 80px 20px;
    background: var(--text-white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.news-card {
    background: var(--text-white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    gap: 20px;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color-1));
    color: var(--text-white);
    padding: 15px;
    border-radius: 10px;
    min-width: 70px;
    height: fit-content;
}

.date-day {
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    font-size: 14px;
    margin-top: 5px;
}

.news-content h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.news-content p {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color-1);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.news-link:hover {
    gap: 12px;
    color: var(--primary-color);
}

/* ===== 媒体画廊 ===== */
.gallery {
    padding: 80px 20px;
    background: var(--bg-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(48, 29, 25, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay i {
    font-size: 48px;
    color: var(--text-white);
}

/* ===== 图片灯箱 ===== */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 50px;
    font-size: 50px;
    color: var(--text-white);
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--secondary-color-1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-white);
    border: none;
    padding: 20px;
    font-size: 30px;
    cursor: pointer;
    border-radius: 5px;
    transition: var(--transition);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(193, 151, 116, 0.8);
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

/* ===== 用户评价 ===== */
.reviews {
    padding: 80px 20px;
    background: var(--text-white);
}

.reviews-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.stats-item {
    text-align: center;
    padding: 30px;
    background: linear-gradient(135deg, var(--bg-light), var(--text-white));
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.stats-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--secondary-color-1);
    margin-bottom: 10px;
}

.stats-label {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.stars {
    color: #ffc107;
    font-size: 20px;
}

.review-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
}

.review-tag {
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 15px;
    border: 2px solid var(--secondary-color-2);
    transition: var(--transition);
}

.review-tag:hover {
    background: var(--secondary-color-1);
    color: var(--text-white);
    border-color: var(--secondary-color-1);
}

.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.reviewer-info {
    display: flex;
    gap: 15px;
    align-items: center;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--secondary-color-1), var(--secondary-color-2));
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.reviewer-name {
    font-weight: 600;
    margin-bottom: 5px;
}

.review-stars {
    color: #ffc107;
    font-size: 14px;
}

.review-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    text-align: justify;
}

/* ===== 章节介绍 ===== */
.chapters {
    padding: 80px 20px;
    background: var(--bg-light);
}

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.chapter-card {
    background: var(--text-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--secondary-color-1);
}

.chapter-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-left-color: var(--primary-color);
}

.chapter-number {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color-1));
    color: var(--text-white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.chapter-title {
    font-size: 24px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.chapter-mood {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--secondary-color-1);
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 500;
}

.chapter-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 20px;
    text-align: justify;
}

.chapter-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--text-light);
}

.chapter-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.chapter-meta i {
    color: var(--secondary-color-1);
    width: 16px;
}

.chapter-type {
    display: inline-block;
    background: var(--bg-light);
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 13px;
    color: var(--primary-color);
    border: 1px solid var(--secondary-color-2);
}

.chapter-special {
    background: rgba(193, 151, 116, 0.15);
    border-color: var(--secondary-color-1);
    color: var(--secondary-color-1);
    font-weight: 600;
}

.importance-high {
    background: rgba(193, 151, 116, 0.2);
    color: var(--primary-color);
    font-weight: 600;
    border-color: var(--secondary-color-1);
}

/* ===== 游戏攻略 ===== */
.guides {
    padding: 80px 20px;
    background: var(--text-white);
}

.guides-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.guide-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.guide-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.guide-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--secondary-color-1), var(--secondary-color-2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--text-white);
    box-shadow: 0 4px 15px rgba(193, 151, 116, 0.3);
}

.guide-title {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.guide-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 20px;
}

.guide-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.guide-difficulty {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 600;
}

.guide-difficulty.easy {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
}

.guide-difficulty.medium {
    background: rgba(255, 152, 0, 0.15);
    color: #ff9800;
}

.guide-difficulty.hard {
    background: rgba(244, 67, 54, 0.15);
    color: #f44336;
}

.guide-recommend {
    color: #ffc107;
    font-size: 14px;
}

/* ===== 版本历史 ===== */
.versions {
    padding: 80px 20px;
    background: var(--bg-light);
}

.timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--secondary-color-1), var(--secondary-color-2));
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-marker {
    position: absolute;
    left: 42px;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--secondary-color-1);
    border: 4px solid var(--text-white);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--secondary-color-1);
}

.timeline-content {
    margin-left: 100px;
    background: var(--text-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.version-header h3 {
    font-size: 24px;
    color: var(--primary-color);
}

.version-date {
    color: var(--text-light);
    font-size: 15px;
}

.version-info {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.version-badge,
.version-size,
.version-platform {
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.version-badge.current {
    background: linear-gradient(135deg, var(--secondary-color-1), #d4a57a);
    color: var(--text-white);
    font-weight: 600;
}

.version-size {
    background: var(--bg-light);
    color: var(--text-light);
}

.version-platform {
    background: var(--bg-light);
    color: var(--primary-color);
}

.version-changes {
    list-style: none;
    margin-bottom: 20px;
}

.version-changes li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-light);
}

.version-changes li i {
    color: #4caf50;
    margin-top: 3px;
}

.version-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--secondary-color-1), #d4a57a);
    color: var(--text-white);
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.version-download:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(193, 151, 116, 0.4);
}

/* ===== 常见问题 ===== */
.faq {
    padding: 80px 20px;
    background: var(--text-white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    cursor: pointer;
    background: var(--text-white);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i.fa-question-circle {
    color: var(--secondary-color-1);
    font-size: 24px;
}

.faq-question span {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.faq-toggle {
    color: var(--secondary-color-2);
    font-size: 20px;
    transition: var(--transition);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 20px 64px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-light);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 60px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--secondary-color-1);
}

.footer-section p {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 18px;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--secondary-color-1);
    transform: translateY(-3px);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.9;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--secondary-color-1);
    padding-left: 5px;
}

.footer-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--secondary-color-1);
    color: var(--text-white);
    padding: 14px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    margin-bottom: 20px;
}

.footer-download-btn:hover {
    background: #d4a57a;
    transform: translateY(-2px);
}

.footer-info p {
    font-size: 14px;
    margin-bottom: 8px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-info i {
    color: var(--secondary-color-1);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-disclaimer {
    font-size: 13px;
    opacity: 0.7;
}

.footer-links-bottom {
    margin-top: 15px;
    font-size: 14px;
}

.footer-links-bottom a {
    color: var(--text-white);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links-bottom a:hover {
    opacity: 1;
    color: var(--secondary-color-1);
}

.footer-links-bottom span {
    margin: 0 10px;
    opacity: 0.5;
}

/* ===== 响应式设计 ===== */
@media (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 22px;
    }

    .intro-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .timeline-marker {
        left: 12px;
    }

    .timeline-content {
        margin-left: 60px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(48, 29, 25, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 10px 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-info {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 32px;
    }

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

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

    .news-card {
        flex-direction: row;
    }

    .lightbox-close {
        top: 15px;
        right: 15px;
        font-size: 35px;
    }

    .lightbox-prev,
    .lightbox-next {
        padding: 15px;
        font-size: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 15px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
    }

    .download-btn {
        padding: 14px 30px;
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .news-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}