/* ================================================
   CSS变量 - 主题色定义
   ================================================ */
:root {
    --primary-color: #3f3535;
    --secondary-color-1: #cdc2c2;
    --secondary-color-2: #9b939c;
    --secondary-color-3: #9b9c9b;
    --text-dark: #2c2c2c;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f8f8;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 8px rgba(63, 53, 53, 0.1);
    --shadow-md: 0 4px 16px rgba(63, 53, 53, 0.15);
    --shadow-lg: 0 8px 24px rgba(63, 53, 53, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color-2) 100%);
    --gradient-overlay: linear-gradient(rgba(63, 53, 53, 0.7), rgba(155, 147, 156, 0.7));
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

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

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

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ================================================
   返回顶部按钮
   ================================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-normal);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

/* ================================================
   头部导航
   ================================================ */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.logo:hover {
    color: var(--secondary-color-2);
}

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

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

.nav-menu {
    display: flex;
    gap: 20px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 8px 10px;
    border-radius: 6px;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.nav-menu a:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.nav-menu i {
    font-size: 0.9rem;
}

/* ================================================
   英雄区
   ================================================ */
.hero {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 60px 0;
    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(255,255,255,0.05)" 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 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    animation: fadeInLeft 0.8s ease;
}

.hero-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 300;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 25px;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition-fast);
}

.feature-tag:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.hero-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.info-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-item strong {
    font-weight: 600;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--text-white);
    color: var(--primary-color);
    padding: 16px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.btn-download:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    animation: fadeInRight 0.8s ease;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.hero-image img:hover {
    transform: scale(1.02) translateY(-5px);
}

/* ================================================
   通用区块样式
   ================================================ */
.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-title i {
    font-size: 2rem;
}

/* ================================================
   最新动态
   ================================================ */
.news-section {
    background: var(--bg-white);
}

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

.news-card {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border-left: 4px solid var(--primary-color);
}

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

.news-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.news-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.news-content {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition-fast);
}

.news-link:hover {
    gap: 12px;
    color: var(--secondary-color-2);
}

/* ================================================
   游戏截图画廊
   ================================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-overlay i {
    font-size: 3rem;
    color: var(--text-white);
    transform: scale(0.5);
    transition: var(--transition-normal);
}

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

.gallery-item:hover .gallery-overlay i {
    transform: scale(1);
}

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

/* ================================================
   用户评价
   ================================================ */
.reviews-section {
    background: var(--bg-white);
}

.reviews-stats {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-sm);
}

.rating-summary {
    text-align: center;
    margin-bottom: 30px;
}

.rating-score {
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    line-height: 1;
}

.rating-stars {
    font-size: 1.5rem;
    color: #ffa500;
    margin: 10px 0;
}

.rating-count {
    color: var(--text-light);
    font-size: 1rem;
}

.user-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.user-tag {
    background: var(--bg-white);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition-fast);
}

.user-tag:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

.review-card {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

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

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviewer-info i {
    font-size: 2rem;
    color: var(--secondary-color-2);
}

.reviewer-name {
    font-weight: 600;
    color: var(--primary-color);
}

.review-stars {
    color: #ffa500;
}

.review-content {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

.review-date {
    color: var(--text-light);
    font-size: 0.85rem;
    text-align: right;
}

/* ================================================
   版本历史
   ================================================ */
.versions-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.version-item {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
    position: relative;
    border-left: 4px solid var(--secondary-color-2);
    transition: var(--transition-normal);
}

.version-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.version-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.version-badge.current {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8e53 100%);
    animation: pulse 2s infinite;
}

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

.version-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.version-date {
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}

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

.version-size,
.version-platform {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.version-changes {
    margin-bottom: 25px;
    padding-left: 0;
}

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

.version-changes i {
    color: var(--primary-color);
    margin-top: 3px;
}

.btn-version-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-version-download:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-version-download.secondary {
    background: var(--secondary-color-1);
    color: var(--primary-color);
}

/* ================================================
   游戏攻略
   ================================================ */
.guide-section {
    background: var(--bg-white);
}

.guide-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 24px;
    border-radius: 25px;
    background: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.guide-card {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

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

.guide-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.guide-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.guide-description {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.guide-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.guide-difficulty {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.guide-difficulty.easy {
    color: #4caf50;
}

.guide-difficulty.medium {
    color: #ff9800;
}

.guide-difficulty.hard {
    color: #f44336;
}

.guide-type {
    font-size: 0.85rem;
    color: var(--text-light);
    padding: 5px 12px;
    background: var(--bg-white);
    border-radius: 12px;
    align-self: flex-start;
}

/* ================================================
   章节介绍
   ================================================ */
.chapters-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: 25px;
}

.chapter-item {
    background: var(--bg-white);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    position: relative;
    border-left: 4px solid var(--secondary-color-2);
    transition: var(--transition-normal);
}

.chapter-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
}

.chapter-item.main-chapter {
    border-left-color: var(--primary-color);
}

.chapter-item.character-chapter {
    border-left-color: var(--secondary-color-2);
}

.chapter-item.important {
    background: linear-gradient(to right, rgba(63, 53, 53, 0.05), var(--bg-white));
}

.chapter-badge {
    position: absolute;
    top: -12px;
    right: 30px;
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.character-chapter .chapter-badge {
    background: linear-gradient(135deg, var(--secondary-color-2) 0%, var(--secondary-color-3) 100%);
}

.chapter-number {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 8px;
}

.chapter-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.chapter-description {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.chapter-info {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.chapter-characters,
.chapter-choices,
.chapter-mood {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-light);
    padding: 8px 14px;
    background: var(--bg-light);
    border-radius: 8px;
}

.chapter-characters i,
.chapter-choices i,
.chapter-mood i {
    color: var(--primary-color);
}

/* ================================================
   常见问题
   ================================================ */
.faq-section {
    background: var(--bg-white);
}

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

.faq-item {
    background: var(--bg-light);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.faq-question {
    width: 100%;
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: rgba(63, 53, 53, 0.05);
}

.faq-question i {
    transition: var(--transition-fast);
    color: var(--secondary-color-2);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 25px 20px 25px;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-answer ul {
    padding-left: 45px;
    padding-right: 25px;
}

.faq-answer li {
    list-style: disc;
    margin-bottom: 8px;
}

.faq-answer strong {
    color: var(--primary-color);
}

/* ================================================
   底部
   ================================================ */
.footer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 60px 0 30px;
}

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

.footer-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-description {
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 20px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--text-white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    opacity: 0.9;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

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

.footer-bottom p {
    opacity: 0.8;
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 0.9rem;
}

/* ================================================
   动画
   ================================================ */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ================================================
   响应式设计 - 平板
   ================================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .guide-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* ================================================
   响应式设计 - 手机
   ================================================ */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        max-height: 500px;
    }
    
    .nav-menu a {
        padding: 15px;
        border-bottom: 1px solid var(--border-color);
    }
    
    .hero {
        padding: 40px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-info {
        gap: 8px;
    }
    
    .info-item {
        font-size: 0.85rem;
        padding: 6px 10px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
    
    .news-grid,
    .gallery-grid,
    .reviews-carousel {
        grid-template-columns: 1fr;
    }
    
    .guide-filters {
        gap: 8px;
    }
    
    .filter-btn {
        font-size: 0.85rem;
        padding: 8px 16px;
    }
    
    .guide-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .btn-download {
        padding: 14px 30px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .version-number {
        font-size: 1.5rem;
    }
    
    .chapter-title {
        font-size: 1.3rem;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }
}

/* ================================================
   新页面通用样式
   ================================================ */

/* 页面标题头部 */
.page-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 80px 0 60px;
    text-align: center;
    margin-top: 80px;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.page-title i {
    font-size: 2rem;
}

.page-subtitle {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

.update-date {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.85;
}

/* 法律文档样式 */
.legal-section {
    padding: 60px 0;
}

.legal-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.legal-intro {
    margin-bottom: 40px;
    padding: 25px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    line-height: 1.8;
}

.legal-section-block {
    margin-bottom: 45px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.legal-section-block:last-of-type {
    border-bottom: none;
}

.legal-section-block h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.legal-section-block h2 i {
    font-size: 1.5rem;
}

.legal-text h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin: 25px 0 15px;
}

.legal-text p {
    line-height: 1.8;
    margin-bottom: 15px;
}

.legal-text ul,
.legal-text ol {
    margin-left: 25px;
    margin-bottom: 20px;
}

.legal-text ul {
    list-style: disc;
}

.legal-text ol {
    list-style: decimal;
}

.legal-text li {
    line-height: 1.8;
    margin-bottom: 10px;
    padding-left: 5px;
}

.legal-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.legal-text a {
    color: var(--primary-color);
    text-decoration: underline;
}

.legal-text a:hover {
    color: var(--secondary-color-2);
}

.legal-text code {
    background: var(--bg-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.legal-summary {
    margin-top: 40px;
    padding: 30px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    border: 2px solid #bae6fd;
}

.legal-summary.warning {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: #fbbf24;
}

.legal-summary h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.legal-summary ul {
    list-style: none;
    margin-left: 0;
}

.legal-summary li {
    padding-left: 25px;
    position: relative;
    line-height: 1.8;
    margin-bottom: 8px;
}

.legal-nav {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.legal-nav h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.legal-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.legal-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 用户手册样式 */
.manual-section {
    padding: 60px 0;
}

.manual-nav {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
}

.manual-nav-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.manual-toc {
    list-style: none;
}

.manual-toc li {
    margin-bottom: 10px;
}

.manual-toc a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.manual-toc a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.manual-toc i {
    width: 20px;
    text-align: center;
}

.manual-content {
    background: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.manual-section-block {
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
}

.manual-section-block:last-child {
    border-bottom: none;
}

.manual-section-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
}

.manual-text h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin: 30px 0 15px;
}

.manual-text p {
    line-height: 1.8;
    margin-bottom: 15px;
}

.manual-text ul,
.manual-text ol {
    margin-left: 25px;
    margin-bottom: 20px;
}

.manual-text li {
    line-height: 1.8;
    margin-bottom: 10px;
}

.system-requirements {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 25px 0;
}

.req-column {
    background: var(--bg-light);
    padding: 25px;
    border-radius: 10px;
    border: 2px solid var(--border-color);
}

.req-column h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.installation-steps {
    counter-reset: step-counter;
}

.installation-steps li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 50px;
    margin-bottom: 30px;
}

.installation-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 35px;
    height: 35px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.installation-steps strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.installation-steps em {
    color: var(--text-light);
    font-size: 0.95rem;
}

.note-box {
    margin: 25px 0;
    padding: 20px 20px 20px 60px;
    border-radius: 10px;
    position: relative;
    border-left: 4px solid;
}

.note-box i {
    position: absolute;
    left: 20px;
    top: 20px;
    font-size: 1.5rem;
}

.note-box.warning {
    background: #fef3c7;
    border-color: #f59e0b;
}

.note-box.warning i {
    color: #f59e0b;
}

.note-box.info {
    background: #dbeafe;
    border-color: #3b82f6;
}

.note-box.info i {
    color: #3b82f6;
}

.note-box.tip {
    background: #d1fae5;
    border-color: #10b981;
}

.note-box.tip i {
    color: #10b981;
}

.note-box strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.keyboard-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 25px 0;
}

.control-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: var(--bg-light);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.key {
    background: var(--primary-color);
    color: var(--text-white);
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

.desc {
    color: var(--text-light);
    font-size: 0.95rem;
}

.char-card {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.char-card h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.troubleshoot-item {
    margin-bottom: 30px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
}

.troubleshoot-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.troubleshoot-item .solution {
    margin-top: 15px;
}

/* 技术支持样式 */
.support-section {
    padding: 60px 0;
}

.support-quick-help {
    margin-bottom: 60px;
}

.quick-help-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.help-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

.help-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.help-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.help-card p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.support-categories {
    margin-bottom: 60px;
}

.support-category-block {
    background: var(--bg-white);
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.category-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 20px 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.category-header i {
    font-size: 1.5rem;
}

.category-header h3 {
    font-size: 1.4rem;
    font-weight: 600;
}

.category-content {
    padding: 30px;
}

.issue-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.issue-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.issue-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.solution {
    margin-top: 15px;
}

.solution ul,
.solution ol {
    margin-left: 25px;
}

.solution li {
    line-height: 1.8;
    margin-bottom: 10px;
}

.system-tools {
    margin-bottom: 60px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 30px;
}

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

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

.tool-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.tool-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.tool-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 20px;
}

.tool-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.tool-download:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

.driver-links {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.driver-links a {
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 6px;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.driver-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.contact-support {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-info {
    margin-top: 30px;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin: 30px 0;
}

.contact-method {
    text-align: center;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
}

.contact-method i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.contact-method h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.contact-method p {
    font-size: 0.95rem;
    color: var(--text-light);
}

.support-tips {
    margin-top: 30px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.support-tips h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.support-tips ul {
    margin-left: 20px;
    list-style: disc;
}

.support-tips li {
    margin-bottom: 8px;
    line-height: 1.6;
}

/* 反馈表单样式 */
.feedback-section {
    padding: 60px 0;
}

.feedback-intro {
    margin-bottom: 40px;
}

.intro-card {
    display: flex;
    gap: 20px;
    background: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.intro-card i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.intro-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.feedback-types {
    margin-bottom: 50px;
}

.type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 30px;
}

.type-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.type-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-white);
}

.type-icon.bug {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.type-icon.feature {
    background: linear-gradient(135deg, #eab308 0%, #ca8a04 100%);
}

.type-icon.content {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.type-icon.other {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

.type-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.type-card p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.feedback-form-container {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 50px;
}

.feedback-form {
    max-width: 800px;
    margin: 30px auto 0;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 8px;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-hint {
    display: block;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 40px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--bg-light);
}

.file-upload-label:hover {
    border-color: var(--primary-color);
    background: var(--bg-white);
}

.file-upload-label i {
    font-size: 2rem;
    color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-submit,
.btn-reset {
    flex: 1;
    padding: 15px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.btn-submit {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-reset {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 2px solid var(--border-color);
}

.btn-reset:hover {
    background: var(--bg-white);
    border-color: var(--primary-color);
}

.form-success {
    text-align: center;
    padding: 60px 40px;
}

.form-success i {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.feedback-guide {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 50px;
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin: 30px 0;
}

.guide-item {
    text-align: center;
}

.guide-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.guide-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.guide-item p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.example-feedback {
    margin-top: 30px;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
}

.example-feedback h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.example-box {
    padding: 20px;
    background: var(--bg-white);
    border-radius: 8px;
    border-left: 4px solid;
    margin-bottom: 15px;
    line-height: 1.8;
}

.example-box.good {
    border-color: #10b981;
}

.example-note {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: start;
    gap: 8px;
}

.quick-links {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.quick-links h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.quick-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border: 2px solid transparent;
    transition: var(--transition-fast);
    text-align: center;
}

.quick-link:hover {
    background: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.quick-link i {
    font-size: 1.5rem;
}

/* FAQ页面特殊样式 */
.faq-categories {
    margin-bottom: 40px;
}

.category-nav {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.category-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-primary);
    color: var(--text-white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.faq-contact {
    margin-top: 50px;
}

.contact-box {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.contact-box i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.contact-box p {
    margin-bottom: 25px;
    color: var(--text-light);
}

.contact-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-dark);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

/* 响应式调整 */
@media (max-width: 1024px) {
    .quick-help-grid,
    .type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid,
    .contact-methods,
    .links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .system-requirements {
        grid-template-columns: 1fr;
    }
    
    .keyboard-controls {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .page-subtitle {
        font-size: 1rem;
    }
    
    .legal-content,
    .manual-content {
        padding: 30px 20px;
    }
    
    .legal-section-block h2,
    .manual-section-title {
        font-size: 1.5rem;
    }
    
    .quick-help-grid,
    .type-grid,
    .tools-grid,
    .contact-methods,
    .links-grid,
    .guide-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .legal-links {
        flex-direction: column;
    }
    
    .contact-buttons {
        flex-direction: column;
    }
    
    .category-nav {
        flex-direction: column;
    }
}

/* ================================================
   文章页面样式
   ================================================ */

/* 文章头部 */
.article-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: 100px 0 60px;
    margin-top: 80px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-white);
    font-weight: 500;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: var(--transition-fast);
}

.back-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(-5px);
}

.article-info {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.article-info span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.article-category {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 15px;
}

.article-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    line-height: 1.3;
}

.article-subtitle {
    font-size: 1.2rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* 文章主体 */
.article-section {
    padding: 60px 0;
}

.article-container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
}

.article-content {
    background: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.article-cover {
    width: 100%;
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
}

.article-cover img {
    width: 100%;
    height: auto;
    display: block;
}

.content-block {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.content-block:last-of-type {
    border-bottom: none;
}

.content-block h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.content-block h2 i {
    font-size: 1.5rem;
}

.content-block h3 {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin: 25px 0 15px;
}

.content-block p {
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.content-block ul,
.content-block ol {
    margin: 20px 0 20px 25px;
}

.content-block li {
    line-height: 1.8;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.content-block ul {
    list-style: disc;
}

.content-block ol {
    list-style: decimal;
}

.content-block strong {
    color: var(--primary-color);
    font-weight: 600;
}

.content-block a {
    color: var(--primary-color);
    text-decoration: underline;
}

.content-block a:hover {
    color: var(--secondary-color-2);
}

/* 高亮框 */
.highlight-box {
    margin: 25px 0;
    padding: 25px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

.highlight-box.festival {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left-color: #f59e0b;
}

.highlight-box.character {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    border-left-color: #ec4899;
}

.highlight-box h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

.highlight-box p {
    margin-bottom: 15px;
}

.highlight-box ul {
    margin-left: 20px;
}

/* 角色预览 */
.character-preview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.char-preview-item {
    background: var(--bg-white);
    padding: 20px;
    border-radius: 10px;
    border: 2px solid rgba(59, 130, 246, 0.2);
}

.char-preview-item h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.char-preview-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* 任务列表 */
.task-list {
    margin: 25px 0;
}

.task-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    margin-bottom: 15px;
    border-left: 4px solid var(--primary-color);
}

.task-icon {
    font-size: 1.8rem;
    color: #10b981;
    flex-shrink: 0;
}

.task-content h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.task-content p {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.task-reward {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-color);
    color: var(--text-white);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 服装分类 */
.costume-list {
    margin: 25px 0;
}

.costume-category {
    margin-bottom: 25px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
}

.costume-category h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 12px;
}

.costume-category ul {
    margin-left: 20px;
}

.costume-category li {
    margin-bottom: 8px;
}

/* 信息框 */
.download-info-box,
.event-info-box {
    margin: 25px 0;
    padding: 25px;
    background: var(--bg-light);
    border-radius: 10px;
    border: 2px solid var(--border-color);
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--text-light);
}

.info-value {
    color: var(--text-dark);
    font-weight: 500;
}

/* 下载按钮 */
.download-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.btn-download-large {
    flex: 1;
    min-width: 200px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    transition: var(--transition-fast);
}

.btn-download-large:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-view-history {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--bg-white);
    color: var(--text-dark);
    font-weight: 600;
    border: 2px solid var(--primary-color);
    border-radius: 10px;
    transition: var(--transition-fast);
}

.btn-view-history:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

/* 安装步骤 */
.install-steps,
.update-steps {
    counter-reset: step;
    margin: 25px 0;
}

.install-steps li,
.update-steps li {
    counter-increment: step;
    position: relative;
    padding-left: 50px;
    margin-bottom: 20px;
}

.install-steps li::before,
.update-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 35px;
    height: 35px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.update-steps li strong {
    display: block;
    margin-bottom: 5px;
}

/* 提示文本 */
.note-text {
    margin: 20px 0;
    padding: 15px 20px;
    background: #dbeafe;
    border-left: 4px solid #3b82f6;
    border-radius: 8px;
    display: flex;
    align-items: start;
    gap: 12px;
    line-height: 1.6;
}

.note-text i {
    color: #3b82f6;
    font-size: 1.2rem;
    margin-top: 2px;
}

.closing-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--primary-color);
    text-align: center;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    margin: 20px 0;
}

/* 问候框 */
.greeting-box {
    margin: 25px 0;
    padding: 30px;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 12px;
    text-align: center;
    border: 2px solid #f59e0b;
}

.greeting-text {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 10px;
    line-height: 1.6;
}

.greeting-text:last-child {
    margin-bottom: 0;
}

/* 文章标签 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--border-color);
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 15px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-dark);
    transition: var(--transition-fast);
}

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

/* 文章分享 */
.article-share {
    margin-top: 40px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 10px;
    text-align: center;
}

.article-share h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    color: var(--text-white);
    font-weight: 500;
    transition: var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.discord {
    background: #5865f2;
}

.share-btn.reddit {
    background: #ff4500;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: var(--bg-white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 最新文章列表 */
.recent-posts {
    list-style: none;
}

.recent-posts li {
    margin-bottom: 15px;
}

.recent-posts li:last-child {
    margin-bottom: 0;
}

.recent-posts li.active a {
    background: var(--gradient-primary);
    color: var(--text-white);
}

.recent-posts a {
    display: block;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.recent-posts a:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateX(5px);
}

.post-date {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-bottom: 5px;
}

.post-title {
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.4;
}

/* 下载小部件 */
.download-widget {
    text-align: center;
}

.version-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--gradient-primary);
    color: var(--text-white);
    border-radius: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    font-size: 0.9rem;
}

.download-widget p {
    margin-bottom: 20px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.btn-widget-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: var(--text-white);
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition-fast);
    width: 100%;
    justify-content: center;
}

.btn-widget-download:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* 相关链接 */
.related-links {
    list-style: none;
}

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

.related-links li:last-child {
    margin-bottom: 0;
}

.related-links a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.related-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateX(5px);
}

.related-links i {
    width: 20px;
    text-align: center;
}

/* 文章页面响应式 */
@media (max-width: 1024px) {
    .article-container {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        order: -1;
    }
    
    .character-preview {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .article-header {
        padding: 80px 0 40px;
    }
    
    .article-title {
        font-size: 1.8rem;
    }
    
    .article-subtitle {
        font-size: 1rem;
    }
    
    .article-content {
        padding: 30px 20px;
    }
    
    .content-block h2 {
        font-size: 1.5rem;
    }
    
    .content-block h3 {
        font-size: 1.2rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .article-info {
        flex-direction: column;
        gap: 10px;
    }
    
    .download-actions {
        flex-direction: column;
    }
    
    .btn-download-large,
    .btn-view-history {
        width: 100%;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .share-btn {
        width: 100%;
        justify-content: center;
    }
    
    .task-item {
        flex-direction: column;
        gap: 15px;
    }
}