/* ============================================
   仁王3攻略站 - 主样式表
   配色方案: 黑金红 (深黑背景 + 金色文字 + 红色点缀)
   ============================================ */

/* CSS变量定义 - 配色方案 */
:root {
    /* 主色调 - 黑金红 */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-card: rgba(20, 20, 20, 0.9);
    --color-bg-nav: rgba(10, 10, 10, 0.95);

    --color-text-primary: #d4af37;      /* 金色 */
    --color-text-secondary: #b8860b;    /* 暗金 */
    --color-text-muted: #888;
    --color-text-white: #ffffff;

    --color-accent: #c41e3a;            /* 红色点缀 */
    --color-accent-hover: #e63946;

    --color-border: #333;
    --color-border-gold: #d4af37;

    /* 属性标签颜色 */
    --color-fire: #ff6b35;
    --color-water: #4dabf7;
    --color-lightning: #ffd43b;
    --color-purity: #a8dadc;
    --color-earth: #8b7355;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* 字体 */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    --font-heading: 'Microsoft YaHei', sans-serif;

    /* 过渡 */
    --transition: all 0.3s ease;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-secondary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-primary);
}

/* 链接样式 */
a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--color-accent);
}

/* ============================================
   顶部固定导航栏
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg-nav);
    border-bottom: 2px solid var(--color-border-gold);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.2rem;
    font-weight: bold;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    color: var(--color-text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-weight: 500;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 80%;
}

.nav-menu a.active {
    color: var(--color-accent);
}

.nav-menu a:hover {
    color: var(--color-accent);
    background-color: rgba(196, 30, 58, 0.1);
}

/* 移动端菜单按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: var(--transition);
}

/* 导航栏右侧操作区 */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* 语言切换器 */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-secondary);
    border-radius: 6px;
    border: 1px solid var(--color-border);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
    text-decoration: none;
}

.lang-btn:hover,
.lang-btn.active {
    color: var(--color-accent);
    background: rgba(196, 30, 58, 0.1);
}

.lang-divider {
    color: var(--color-border);
    font-size: 0.8rem;
}

/* ============================================
   Hero Banner 区域
   ============================================ */
.hero-banner {
    position: relative;
    height: 600px;
    margin-top: 60px;
    background-image: url('../../img/屏幕截图_3-2-2026_225032_www.gamecity.ne.jp.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom,
        rgba(10, 10, 10, 0.7) 0%,
        rgba(10, 10, 10, 0.5) 50%,
        rgba(10, 10, 10, 0.8) 100%
    );
}

.banner-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-lg);
}

.banner-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 8vw, 5rem);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: 3px 3px 8px rgba(0, 0, 0, 0.8),
                 0 0 30px rgba(212, 175, 55, 0.5);
    letter-spacing: 8px;
    font-weight: bold;
}

.banner-subtitle {
    font-size: 1.3rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 2px;
}

.banner-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   按钮样式
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
}

.btn-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-link:hover {
    color: var(--color-accent);
    gap: 0.75rem;
}

/* ============================================
   通用布局
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--color-bg-secondary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
}

.title-icon {
    font-size: 1.5rem;
}

.title-decoration {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--color-border-gold), transparent);
    margin-left: var(--spacing-md);
}

.title-link {
    color: var(--color-text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.title-link:hover {
    color: var(--color-accent);
}

/* ============================================
   卡片网格
   ============================================ */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.15);
}

.card-header {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.2rem;
    color: var(--color-text-primary);
}

.card-body {
    padding: var(--spacing-md);
}

.card-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: rgba(212, 175, 55, 0.05);
    border-top: 1px solid var(--color-border);
    text-align: right;
}

/* 卡片内元素样式 */
.location, .level, .weapon {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.weakness {
    margin-top: var(--spacing-sm);
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.85rem;
    margin-right: var(--spacing-xs);
    color: var(--color-bg-primary);
}

.tag.fire { background-color: var(--color-fire); }
.tag.water { background-color: var(--color-water); }
.tag.lightning { background-color: var(--color-lightning); color: var(--color-bg-primary); }
.tag.purity { background-color: var(--color-purity); color: var(--color-bg-primary); }

.difficulty {
    color: var(--color-accent);
    letter-spacing: 2px;
}

.build-rank {
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: bold;
}

.rank-s {
    background-color: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.rank-a {
    background-color: var(--color-text-secondary);
    color: var(--color-bg-primary);
}

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

.difficulty-label .hard {
    color: var(--color-accent);
}

.difficulty-label .stance {
    color: var(--color-water);
}

.description {
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

/* ============================================
   快速导航
   ============================================ */
.quick-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quick-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: var(--transition);
}

.quick-nav-item:hover {
    border-color: var(--color-accent);
    background-color: rgba(196, 30, 58, 0.1);
    transform: translateY(-4px);
}

.quick-nav-icon {
    font-size: 3rem;
}

.quick-nav-text {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ============================================
   页脚
   ============================================ */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 2px solid var(--color-border);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

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

.footer-section h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul li a {
    color: var(--color-text-muted);
}

.footer-section ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* ============================================
   通用页面样式
   ============================================ */

/* 页面头部 */
.page-header {
    margin-top: 60px;
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1a0a0a 0%, #0a0a0a 50%, #1a0a0a 100%);
    border-bottom: 2px solid var(--color-border-gold);
    text-align: center;
}

.page-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-header-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.1rem;
}

/* 提示框 */
.tips-box {
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    padding: var(--spacing-lg);
}

.tips-box h2 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.tips-list {
    list-style: none;
}

.tips-list li {
    padding: var(--spacing-sm) 0;
    color: var(--color-text-primary);
    font-size: 1rem;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.tips-list li:last-child {
    border-bottom: none;
}

/* ============================================
   首页扩展样式
   ============================================ */

/* BOSS表格 */
.boss-table-container {
    overflow-x: auto;
}

.boss-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-card);
    border-radius: 8px;
    overflow: hidden;
}

.boss-table th,
.boss-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.boss-table th {
    background: rgba(212, 175, 55, 0.1);
    color: var(--color-text-primary);
    font-weight: bold;
}

.boss-table tr:hover {
    background: rgba(212, 175, 55, 0.05);
}

.boss-table tr:last-child td {
    border-bottom: none;
}

.text-muted {
    color: var(--color-text-muted);
}

/* 技巧卡片网格 */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.tip-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.tip-card:hover {
    border-color: var(--color-border-gold);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.15);
}

.tip-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.tip-card h3 {
    color: var(--color-text-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.tip-card p {
    color: var(--color-text-muted);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background-color: var(--color-bg-nav);
        width: 100%;
        padding: var(--spacing-md);
        transition: var(--transition);
        border-bottom: 1px solid var(--color-border-gold);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-banner {
        height: 400px;
    }

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

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

    .banner-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .quick-nav {
        grid-template-columns: 1fr;
    }

    .nav-logo {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }
}

/* ============================================
   动画效果
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }