/**
 * 民国风格主题样式
 * 迷雾庄园 - 剧本杀游戏
 */

/* ==================== 字体引入 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=ZCOOL+XiaoWei&family=Noto+Serif+SC:wght@400;600;700&display=swap');

/* ==================== 民国风格色彩变量 ==================== */
:root {
    /* 主色调 - 黑灰色系 */
    --minguo-gray: #3A3A3A;
    --minguo-gray-light: #5A5A5A;
    --minguo-gray-dark: #252525;
    
    /* 点缀色 - 朱红与金色（保留民国韵味） */
    --minguo-red: #8B0000;
    --minguo-red-light: #A52A2A;
    --minguo-gold: #B8A068;
    --minguo-gold-light: #C9B078;
    --minguo-gold-dark: #8A7848;
    
    /* 文字色 - 淡雅灰白 */
    --minguo-paper: #E8E4E0;
    --minguo-paper-dark: #D0CCC8;
    --minguo-paper-aged: #B0ACA8;
    
    /* 墨色 */
    --minguo-ink: #1A1A1A;
    --minguo-ink-light: #333333;
    --minguo-ink-muted: #666666;
    
    /* 背景色 - 深黑灰 */
    --minguo-bg: #141416;
    --minguo-bg-light: #1E1E22;
    --minguo-bg-panel: rgba(20, 20, 22, 0.95);
    
    /* 边框色 - 低调灰 */
    --minguo-border: #404045;
    --minguo-border-light: #5A5A60;
    
    /* 覆盖原有变量 */
    --primary-color: var(--minguo-gray);
    --primary-light: var(--minguo-gray-light);
    --primary-dark: var(--minguo-gray-dark);
    --gold: var(--minguo-gold);
    --gold-dark: var(--minguo-gold-dark);
    --bg-dark: var(--minguo-bg);
    --bg-darker: #0A0A0C;
    --text-light: var(--minguo-paper);
    --text-muted: var(--minguo-paper-aged);
}

/* ==================== 全局字体设置 ==================== */
body {
    font-family: 'Noto Serif SC', 'STSong', 'SimSun', serif;
    background: var(--minguo-bg);
    color: var(--minguo-paper);
}

/* 标题使用书法字体 */
h1, h2, .game-title, #act-name, #transition-title, #ending-title {
    font-family: 'Ma Shan Zheng', 'STKaiti', 'KaiTi', cursive;
}

/* 副标题使用小标宋 */
h3, h4, .game-subtitle, #transition-subtitle {
    font-family: 'ZCOOL XiaoWei', 'STFangsong', 'FangSong', serif;
}

/* ==================== 主菜单改造 ==================== */
#main-menu {
    background: var(--minguo-bg);
}

.menu-background {
    background: 
        linear-gradient(135deg, rgba(20, 20, 22, 0.9) 0%, rgba(40, 40, 45, 0.8) 100%),
        url('../assets/ui/bg_menu.jpg') center/cover no-repeat;
    animation: none;
}

/* 移除原有的圆点背景 */
.menu-background::after {
    display: none;
}

.menu-content {
    background: 
        linear-gradient(135deg, rgba(20, 20, 22, 0.95) 0%, rgba(30, 30, 35, 0.95) 100%);
    border: 2px solid var(--minguo-border);
    border-radius: 8px;
    box-shadow: 
        0 0 0 1px var(--minguo-gray-dark),
        0 0 60px rgba(0, 0, 0, 0.4),
        inset 0 0 30px rgba(0, 0, 0, 0.5);
    position: relative;
    padding: 50px 70px;
}

/* 四角装饰 */
.menu-content::before,
.menu-content::after {
    content: '◆';
    position: absolute;
    font-size: 20px;
    color: var(--minguo-gold);
    opacity: 0.4;
}

.menu-content::before {
    top: 15px;
    left: 15px;
}

.menu-content::after {
    bottom: 15px;
    right: 15px;
}

/* 游戏标题 */
.game-title {
    font-size: 72px;
    color: var(--minguo-gold);
    text-shadow: 
        2px 2px 0 var(--minguo-gray-dark),
        4px 4px 8px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(184, 160, 104, 0.2);
    letter-spacing: 15px;
    margin-bottom: 15px;
    position: relative;
}

/* 标题装饰线 */
.game-title::after {
    content: '';
    display: block;
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--minguo-gold), transparent);
    margin: 15px auto 0;
}

.game-subtitle {
    font-size: 16px;
    color: var(--minguo-paper-aged);
    letter-spacing: 8px;
    margin-bottom: 40px;
    position: relative;
}

/* 副标题装饰 */
.game-subtitle::before,
.game-subtitle::after {
    content: '〔';
    color: var(--minguo-gold-dark);
    margin: 0 10px;
}

.game-subtitle::after {
    content: '〕';
}

/* 菜单按钮 */
.menu-btn {
    padding: 16px 50px;
    font-size: 18px;
    font-family: 'Noto Serif SC', serif;
    background: linear-gradient(180deg, 
        var(--minguo-gray-light) 0%, 
        var(--minguo-gray) 50%, 
        var(--minguo-gray-dark) 100%);
    border: 1px solid var(--minguo-border-light);
    border-radius: 4px;
    color: var(--minguo-paper);
    letter-spacing: 5px;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.menu-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.5s;
}

.menu-btn:hover::before {
    left: 100%;
}

.menu-btn:hover {
    background: linear-gradient(180deg, 
        var(--minguo-gray) 0%, 
        var(--minguo-gray-light) 50%, 
        var(--minguo-gray) 100%);
    border-color: var(--minguo-gold-dark);
    transform: translateY(-2px);
    box-shadow: 
        0 6px 20px rgba(0, 0, 0, 0.5),
        0 0 15px rgba(184, 160, 104, 0.1);
}

/* ==================== 信息栏改造 ==================== */
#info-bar {
    height: 60px;
    background: linear-gradient(180deg, 
        var(--minguo-bg-light) 0%, 
        var(--minguo-bg) 100%);
    border-bottom: 1px solid var(--minguo-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    position: relative;
}

/* 信息栏装饰边 */
#info-bar::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--minguo-border-light) 20%, 
        var(--minguo-border-light) 80%, 
        transparent);
}

#act-name {
    font-size: 20px;
    color: var(--minguo-gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    letter-spacing: 3px;
}

/* 章节名装饰 */
#act-name::before {
    content: '【';
    color: var(--minguo-gold-dark);
    margin-right: 5px;
}

#act-name::after {
    content: '】';
    color: var(--minguo-gold-dark);
    margin-left: 5px;
}

#game-time {
    color: var(--minguo-paper-aged);
    font-size: 14px;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 2px;
}

/* 功能按钮改造 */
.info-bar-buttons {
    gap: 6px;
}

.icon-btn {
    min-width: 70px;
    height: 48px;
    padding: 6px 12px;
    background: linear-gradient(180deg, 
        rgba(58, 58, 58, 0.6) 0%, 
        rgba(37, 37, 37, 0.8) 100%);
    border: 1px solid var(--minguo-border);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

/* 按钮内发光效果 */
.icon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.icon-btn .btn-icon {
    font-size: 20px;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.5));
}

.icon-btn .btn-label {
    font-size: 11px;
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper-aged);
    letter-spacing: 1px;
}

.icon-btn:hover {
    background: linear-gradient(180deg, 
        rgba(90, 90, 90, 0.7) 0%, 
        rgba(58, 58, 58, 0.9) 100%);
    border-color: var(--minguo-border-light);
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
}

.icon-btn:hover .btn-label {
    color: var(--minguo-paper);
}

/* ==================== 对话面板改造 ==================== */
#dialogue-panel {
    min-height: 200px;
    max-height: 280px;
    background: 
        linear-gradient(180deg, 
            rgba(20, 20, 22, 0.92) 0%, 
            rgba(14, 14, 16, 0.98) 100%);
    border-top: 1px solid var(--minguo-border);
    padding: 25px 30px;
    position: relative;
}

/* 对话面板顶部装饰 */
#dialogue-panel::before {
    content: '';
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--minguo-border-light), transparent);
}

/* 说话人名字 */
#npc-name {
    font-size: 18px;
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--minguo-gold);
    margin-bottom: 12px;
    letter-spacing: 3px;
}

#npc-name::before {
    content: '◈ ';
    color: var(--minguo-gold-dark);
}

#npc-name::after {
    content: '';
    flex: 1;
    height: 1px;
    margin-left: 15px;
    background: linear-gradient(90deg, var(--minguo-border), transparent);
}

/* 对话文本 */
#dialogue-text {
    font-size: 17px;
    line-height: 2;
    color: var(--minguo-paper);
    font-family: 'Noto Serif SC', serif;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 打字光标改为竖线 */
#dialogue-text .typing-cursor {
    width: 2px;
    height: 1.2em;
    background: var(--minguo-gold);
    box-shadow: 0 0 5px var(--minguo-gold);
}

/* 对话选项 */
.dialogue-option {
    padding: 14px 24px;
    background: linear-gradient(135deg, 
        rgba(58, 58, 58, 0.3) 0%, 
        rgba(37, 37, 37, 0.4) 100%);
    border: 1px solid var(--minguo-border);
    border-left: 2px solid var(--minguo-border-light);
    border-radius: 2px;
    font-family: 'Noto Serif SC', serif;
    font-size: 15px;
    letter-spacing: 1px;
}

.dialogue-option::before {
    content: '▸';
    color: var(--minguo-paper-aged);
    margin-right: 12px;
    transition: transform 0.3s;
}

.dialogue-option:hover {
    background: linear-gradient(135deg, 
        rgba(90, 90, 90, 0.4) 0%, 
        rgba(58, 58, 58, 0.5) 100%);
    border-color: var(--minguo-border-light);
    border-left-color: var(--minguo-gold-dark);
    transform: translateX(8px);
}

.dialogue-option:hover::before {
    transform: translateX(3px);
    color: var(--minguo-gold);
}

/* 继续按钮 */
#continue-btn {
    padding: 10px 30px;
    background: rgba(58, 58, 58, 0.5);
    border: 1px solid var(--minguo-border);
    border-radius: 2px;
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 3px;
}

#continue-btn::after {
    content: ' ▶';
    font-size: 10px;
    opacity: 0.7;
}

/* ==================== 模态框改造 ==================== */
.modal-overlay {
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(3px);
}

.modal-content {
    background: 
        linear-gradient(135deg, 
            rgba(30, 30, 35, 0.98) 0%, 
            rgba(20, 20, 22, 0.98) 100%);
    border: 1px solid var(--minguo-border);
    border-radius: 6px;
    box-shadow: 
        0 0 0 1px var(--minguo-gray-dark),
        0 20px 60px rgba(0, 0, 0, 0.7),
        inset 0 0 50px rgba(0, 0, 0, 0.3);
    position: relative;
}

/* 模态框四角装饰 */
.modal-content::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    pointer-events: none;
}

.modal-content h2 {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 28px;
    color: var(--minguo-gold);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    border-bottom: 2px solid var(--minguo-border);
    padding-bottom: 20px;
    margin-bottom: 25px;
    letter-spacing: 5px;
    position: relative;
}

/* 标题装饰 */
.modal-content h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--minguo-gold), transparent);
}

/* 关闭按钮 */
.close-btn {
    font-size: 24px;
    color: var(--minguo-paper-aged);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--minguo-border);
    border-radius: 50%;
    background: rgba(58, 58, 58, 0.5);
    transition: all 0.3s;
}

.close-btn:hover {
    color: var(--minguo-paper);
    border-color: var(--minguo-border-light);
    background: rgba(90, 90, 90, 0.5);
    transform: rotate(0deg);
}

/* ==================== 线索簿改造 ==================== */
.clue-modal h2::before {
    content: '📜 ';
}

#clue-categories {
    margin-bottom: 20px;
}

.category-tab {
    padding: 10px 18px;
    background: rgba(58, 58, 58, 0.3);
    border: 1px solid var(--minguo-border);
    border-radius: 2px;
    font-family: 'Noto Serif SC', serif;
    font-size: 13px;
    letter-spacing: 1px;
}

.category-tab:hover {
    background: rgba(90, 90, 90, 0.4);
}

.category-tab.active {
    background: linear-gradient(135deg, var(--minguo-gray), var(--minguo-gray-dark));
    border-color: var(--minguo-border-light);
    color: var(--minguo-paper);
}

/* 线索卡片 */
.clue-item {
    background: 
        linear-gradient(135deg, 
            rgba(45, 45, 50, 0.9) 0%, 
            rgba(30, 30, 35, 0.9) 100%);
    border: 1px solid var(--minguo-border);
    border-radius: 4px;
    position: relative;
}

.clue-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--minguo-border-light), transparent);
}

.clue-item h3 {
    font-family: 'ZCOOL XiaoWei', serif;
    color: var(--minguo-gold);
    font-size: 16px;
    letter-spacing: 2px;
}

.clue-item p {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper-aged);
    font-size: 13px;
    line-height: 1.7;
}

.clue-item:hover {
    border-color: var(--minguo-border-light);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.clue-item .clue-category {
    background: rgba(90, 90, 95, 0.6);
    border: 1px solid var(--minguo-border-light);
    font-family: 'Noto Serif SC', serif;
    font-size: 11px;
}

/* ==================== 谜题/答题系统改造 ==================== */
#puzzle-overlay,
#quiz-overlay {
    background: var(--minguo-bg);
}

#puzzle-background,
#quiz-background {
    filter: brightness(0.25) blur(2px);
}

#puzzle-container,
#quiz-container {
    padding: 20px;
}

#puzzle-sidebar,
#quiz-sidebar {
    background: 
        linear-gradient(180deg, 
            rgba(30, 30, 35, 0.95) 0%, 
            rgba(20, 20, 22, 0.95) 100%);
    border: 1px solid var(--minguo-border);
    border-radius: 6px;
}

#puzzle-sidebar h3,
#quiz-sidebar h3 {
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--minguo-gold);
    font-size: 20px;
    letter-spacing: 3px;
    border-bottom: 1px solid var(--minguo-border);
}

#puzzle-content,
#quiz-body {
    background: 
        linear-gradient(135deg, 
            rgba(25, 25, 28, 0.95) 0%, 
            rgba(18, 18, 20, 0.95) 100%);
    border: 1px solid var(--minguo-border);
    border-radius: 6px;
}

#puzzle-header,
#quiz-header {
    background: linear-gradient(180deg, 
        rgba(58, 58, 58, 0.4) 0%, 
        rgba(37, 37, 37, 0.3) 100%);
    border-bottom: 1px solid var(--minguo-border);
}

#puzzle-title,
#quiz-title {
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--minguo-gold);
    font-size: 26px;
    letter-spacing: 5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.puzzle-close {
    background: rgba(58, 58, 58, 0.6);
    border: 1px solid var(--minguo-border);
    color: var(--minguo-paper);
}

.puzzle-close:hover {
    background: rgba(90, 90, 90, 0.7);
    border-color: var(--minguo-border-light);
}

/* 谜题/答题项目 */
.puzzle-item,
.quiz-item {
    background: rgba(45, 45, 50, 0.6);
    border: 1px solid var(--minguo-border);
    border-left: 2px solid var(--minguo-border-light);
    border-radius: 2px;
    font-family: 'Noto Serif SC', serif;
}

.puzzle-item:hover,
.quiz-item:hover {
    background: rgba(58, 58, 60, 0.7);
    border-color: var(--minguo-border-light);
}

.puzzle-item.active,
.quiz-item.active {
    background: rgba(90, 90, 95, 0.4);
    border-left-color: var(--minguo-gold-dark);
}

/* 操作按钮 */
.puzzle-action-btn,
.quiz-action-btn {
    font-family: 'Noto Serif SC', serif;
    background: linear-gradient(180deg, 
        var(--minguo-gray-light) 0%, 
        var(--minguo-gray) 50%, 
        var(--minguo-gray-dark) 100%);
    border: 1px solid var(--minguo-border-light);
    border-radius: 4px;
    letter-spacing: 2px;
}

.puzzle-action-btn:hover:not(:disabled),
.quiz-action-btn:hover:not(:disabled) {
    background: linear-gradient(180deg, 
        var(--minguo-gray) 0%, 
        var(--minguo-gray-light) 50%, 
        var(--minguo-gray) 100%);
    border-color: var(--minguo-gold-dark);
}

/* ==================== 序章/剧情改造 ==================== */
#prologue-dialogue-panel {
    background: 
        linear-gradient(180deg, 
            rgba(18, 18, 20, 0.9) 0%, 
            rgba(10, 10, 12, 0.98) 100%);
    border-top: 1px solid var(--minguo-border);
}

#prologue-speaker-name {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 22px;
    color: var(--minguo-gold);
    letter-spacing: 3px;
    border-left: 3px solid var(--minguo-gold-dark);
}

#prologue-dialogue-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    line-height: 2.2;
    color: var(--minguo-paper);
}

/* 剧情选项 */
.story-options-container {
    background: 
        linear-gradient(135deg, 
            rgba(30, 30, 35, 0.98) 0%, 
            rgba(20, 20, 22, 0.98) 100%);
    border: 1px solid var(--minguo-border);
    box-shadow: 
        0 0 0 1px var(--minguo-gray-dark),
        0 15px 50px rgba(0, 0, 0, 0.6);
}

.story-option {
    font-family: 'Noto Serif SC', serif;
    background: rgba(58, 58, 58, 0.4);
    border: 1px solid var(--minguo-border);
    border-left: 2px solid var(--minguo-border-light);
    letter-spacing: 1px;
}

.story-option:hover {
    background: rgba(90, 90, 90, 0.5);
    border-color: var(--minguo-border-light);
    border-left-color: var(--minguo-gold-dark);
}

/* ==================== 幕间过渡改造 ==================== */
#act-transition {
    background: 
        radial-gradient(ellipse at center, 
            rgba(30, 30, 35, 0.95) 0%, 
            rgba(10, 10, 12, 0.98) 100%);
}

#transition-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 64px;
    color: var(--minguo-gold);
    text-shadow: 
        2px 2px 0 var(--minguo-gray-dark),
        0 0 30px rgba(184, 160, 104, 0.3);
    letter-spacing: 10px;
}

#transition-subtitle {
    font-family: 'ZCOOL XiaoWei', serif;
    font-size: 22px;
    color: var(--minguo-paper-aged);
    letter-spacing: 8px;
}

/* ==================== 通知提示改造 ==================== */
.notification {
    background: 
        linear-gradient(135deg, 
            rgba(30, 30, 35, 0.98) 0%, 
            rgba(20, 20, 22, 0.98) 100%);
    border: 1px solid var(--minguo-border-light);
    border-radius: 4px;
    box-shadow: 
        0 0 0 1px var(--minguo-gray-dark),
        0 8px 30px rgba(0, 0, 0, 0.5);
}

.notification-content strong {
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--minguo-gold);
    letter-spacing: 2px;
}

.notification-content p {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper);
}

/* 关键词通知特殊样式 - 简洁小巧 */
.notification.keyword-notification {
    border-color: var(--minguo-border-light);
    padding: 8px 16px;
}

.notification.keyword-notification .keyword-tag {
    color: var(--minguo-gold);
}

/* ==================== Toast提示改造 ==================== */
.puzzle-toast,
.quiz-toast {
    background: 
        linear-gradient(135deg, 
            rgba(30, 30, 35, 0.98) 0%, 
            rgba(20, 20, 22, 0.98) 100%);
    border: 1px solid var(--minguo-border-light);
    border-radius: 4px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

#puzzle-toast-text,
#quiz-toast-text {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper);
    letter-spacing: 2px;
}

.quiz-toast.success {
    border-color: #2E7D32;
    background: 
        linear-gradient(135deg, 
            rgba(46, 125, 50, 0.9) 0%, 
            rgba(27, 94, 32, 0.95) 100%);
}

.quiz-toast.error {
    border-color: var(--minguo-red);
    background: 
        linear-gradient(135deg, 
            rgba(139, 0, 0, 0.9) 0%, 
            rgba(100, 0, 0, 0.95) 100%);
}

/* ==================== 结局界面改造 ==================== */
#ending-screen {
    background: 
        radial-gradient(ellipse at center, 
            rgba(30, 30, 35, 1) 0%, 
            rgba(10, 10, 12, 1) 100%);
}

#ending-title {
    font-family: 'Ma Shan Zheng', cursive;
    font-size: 56px;
    color: var(--minguo-gold);
    text-shadow: 
        2px 2px 0 var(--minguo-gray-dark),
        0 0 20px rgba(184, 160, 104, 0.2);
    letter-spacing: 8px;
}

#ending-text {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    line-height: 2.2;
    color: var(--minguo-paper);
}

#ending-stats {
    background: rgba(30, 30, 35, 0.8);
    border: 1px solid var(--minguo-border);
    border-radius: 4px;
}

#ending-stats h3 {
    font-family: 'Ma Shan Zheng', cursive;
    color: var(--minguo-gold);
}

/* ==================== 滚动条改造 ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--minguo-bg);
    border-left: 1px solid var(--minguo-border);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, 
        var(--minguo-gray-light) 0%, 
        var(--minguo-gray) 100%);
    border-radius: 2px;
    border: 1px solid var(--minguo-border);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, 
        var(--minguo-gray) 0%, 
        var(--minguo-gray-light) 100%);
}

/* ==================== 加载动画改造 ==================== */
#loading {
    background: rgba(10, 8, 6, 0.95);
}

.spinner {
    border: 3px solid rgba(201, 162, 39, 0.2);
    border-top-color: var(--minguo-gold);
}

.loading-content p {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper);
    letter-spacing: 3px;
}

/* ==================== 热点样式改造 ==================== */
.hotspot-indicator {
    background: radial-gradient(circle, 
        rgba(184, 160, 104, 0.6) 0%, 
        rgba(184, 160, 104, 0) 70%);
}

.hotspot-indicator::after {
    background: var(--minguo-gold);
    box-shadow: 0 0 8px var(--minguo-gold);
}

.hotspot-label {
    background: rgba(20, 20, 22, 0.95);
    border: 1px solid var(--minguo-border);
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper);
}

/* ==================== 关键词标签改造 ==================== */
.keyword-chip {
    font-family: 'Noto Serif SC', serif;
    border-radius: 3px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

/* ==================== 答案槽位改造 ==================== */
.answer-slot {
    font-family: 'Noto Serif SC', serif;
    border-radius: 2px;
}

.answer-slot.empty {
    background: rgba(58, 58, 58, 0.3);
    border-bottom: 2px dashed var(--minguo-border-light);
    border-top: none;
    border-left: none;
    border-right: none;
}

/* ==================== 菜单项改造 ==================== */
.menu-item {
    font-family: 'Noto Serif SC', serif;
    background: rgba(58, 58, 58, 0.3);
    border: 1px solid var(--minguo-border);
    border-left: 2px solid var(--minguo-border-light);
    letter-spacing: 2px;
}

.menu-item:hover {
    background: rgba(90, 90, 90, 0.4);
    border-color: var(--minguo-border-light);
    border-left-color: var(--minguo-gold-dark);
}

/* ==================== 提交按钮改造 ==================== */
.submit-btn {
    font-family: 'Noto Serif SC', serif;
    background: linear-gradient(180deg, 
        var(--minguo-gray-light) 0%, 
        var(--minguo-gray) 50%, 
        var(--minguo-gray-dark) 100%);
    border: 1px solid var(--minguo-border-light);
    letter-spacing: 3px;
}

.submit-btn:hover {
    background: linear-gradient(180deg, 
        var(--minguo-gray) 0%, 
        var(--minguo-gray-light) 50%, 
        var(--minguo-gray) 100%);
    border-color: var(--minguo-gold-dark);
}

/* ==================== 设置界面改造 ==================== */
.settings-group {
    background: rgba(30, 30, 35, 0.6);
    border: 1px solid var(--minguo-border);
    border-radius: 4px;
}

.settings-group label {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-paper);
}

.settings-group input[type="range"]::-webkit-slider-thumb {
    background: var(--minguo-gold);
}

/* ==================== 线索卡片（谜题工作区）改造 ==================== */
.clue-card {
    background: 
        linear-gradient(135deg, 
            var(--minguo-paper) 0%, 
            var(--minguo-paper-dark) 100%);
    border-radius: 4px;
    box-shadow: 
        3px 3px 10px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(0, 0, 0, 0.05);
}

.clue-card-header {
    background: linear-gradient(135deg, 
        var(--minguo-gray) 0%, 
        var(--minguo-gray-dark) 100%);
    font-family: 'Noto Serif SC', serif;
    border-radius: 4px 4px 0 0;
}

.clue-card-body {
    font-family: 'Noto Serif SC', serif;
    color: var(--minguo-ink);
}

/* ==================== 响应式调整 ==================== */
@media (max-width: 768px) {
    .game-title {
        font-size: 42px;
        letter-spacing: 8px;
    }
    
    .menu-content {
        padding: 30px 40px;
    }
    
    #act-name {
        font-size: 16px;
    }
    
    .icon-btn {
        min-width: 55px;
        height: 44px;
    }
    
    .icon-btn .btn-icon {
        font-size: 18px;
    }
    
    .icon-btn .btn-label {
        font-size: 10px;
    }
}