/* 全局样式 */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006e;
    --accent-color: #8338ec;
    --bg-dark: #0a0e27;
    --bg-darker: #050810;
    --bg-card: #151a33;
    --text-primary: #ffffff;
    --text-secondary: #b8bcc8;
    --weixia-color: #00d4ff;
    --amy-color: #ff006e;
    --success-color: #00ff88;
    --warning-color: #ffa500;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --box-shadow-1: 0 8px 32px rgba(0, 212, 255, 0.15);
    --box-shadow-2: 0 8px 32px rgba(255, 0, 110, 0.15);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-darker);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: var(--gradient-3);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
    z-index: 1000;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.6);
}

/* 头部 Banner */
.hero-banner {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f4e 50%, #0a0e27 100%);
    overflow: hidden;
    padding: 80px 0;
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 75%, white, transparent);
    background-size: 200% 200%;
    animation: twinkle 8s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
    line-height: 1.2;
}

.title-icon {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    opacity: 0.9;
}

.hero-meta {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    color: var(--text-secondary);
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

/* 角色介绍 */
.characters-section {
    padding: 80px 0;
    background: var(--bg-darker);
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    font-size: 2.5rem;
    margin-bottom: 64px;
    color: var(--text-primary);
}

.title-line {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    max-width: 200px;
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.character-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.character-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-3);
    transform: scaleX(0);
    transition: var(--transition);
}

.character-card[data-role="wuxia"]::before {
    background: var(--gradient-3);
}

.character-card[data-role="zhaomin"]::before {
    background: var(--gradient-2);
}

.character-card:hover::before {
    transform: scaleX(1);
}

.character-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-1);
}

.character-card[data-role="zhaomin"]:hover {
    box-shadow: var(--box-shadow-2);
}

.character-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    background: var(--gradient-3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
}

.character-card[data-role="zhaomin"] .character-avatar {
    background: var(--gradient-2);
    box-shadow: 0 8px 32px rgba(255, 0, 110, 0.3);
}

.character-name {
    font-size: 1.8rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.character-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.character-card[data-role="zhaomin"] .character-tag {
    background: rgba(255, 0, 110, 0.2);
    color: var(--secondary-color);
}

.character-desc {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.character-skills {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.skill-badge {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 统计区域 */
.stats-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-1);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* 主要内容区域 */
.main-content {
    padding: 80px 0;
    background: var(--bg-darker);
}

/* 对话区块 */
.conversation-section {
    margin-bottom: 64px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.conversation-section:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--box-shadow-1);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px 40px;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.section-header:hover {
    background: rgba(0, 212, 255, 0.05);
}

.section-header .section-title {
    margin: 0;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 16px;
}

.section-icon {
    font-size: 2rem;
}

.toggle-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 1.2rem;
}

.toggle-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

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

.section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

.section-content.active {
    max-height: 10000px;
    transition: max-height 1s ease-in;
}

.conversation-timeline {
    padding: 40px;
}

/* 消息样式 */
.message-group {
    margin-bottom: 32px;
}

.message {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.message.right {
    flex-direction: row-reverse;
}

.message.right .message-bubble {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1) 0%, rgba(131, 56, 236, 0.1) 100%);
    border: 1px solid rgba(255, 0, 110, 0.2);
}

.message-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.message.right .message-avatar {
    background: var(--gradient-2);
    box-shadow: 0 4px 16px rgba(255, 0, 110, 0.3);
}

.message-bubble {
    max-width: 70%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 20px 24px;
    transition: var(--transition);
}

.message-bubble:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.sender-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.05rem;
}

.message.right .sender-name {
    color: var(--secondary-color);
}

.message-time {
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.message-text {
    color: var(--text-primary);
    line-height: 1.8;
    word-wrap: break-word;
}

/* 高亮和代码 */
.highlight {
    color: var(--primary-color);
    font-weight: 600;
    background: rgba(0, 212, 255, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
}

.inline-code {
    font-family: 'Fira Code', monospace;
    background: rgba(0, 212, 255, 0.15);
    color: var(--primary-color);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.9em;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* 链接卡片 */
.link-card {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    margin-top: 8px;
    font-size: 0.95rem;
}

.link-card:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 特殊消息类型 */
.success-message {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%) !important;
    border-color: var(--success-color) !important;
}

.success-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 255, 136, 0.2);
    color: var(--success-color);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.warning-message {
    background: linear-gradient(135deg, rgba(255, 165, 0, 0.1) 0%, rgba(255, 0, 110, 0.1) 100%) !important;
    border-color: var(--warning-color) !important;
}

.warning-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 165, 0, 0.2);
    color: var(--warning-color);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.info-message {
    background: linear-gradient(135deg, rgba(131, 56, 236, 0.1) 0%, rgba(0, 212, 255, 0.1) 100%) !important;
    border-color: var(--accent-color) !important;
}

.info-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.feature-list {
    display: grid;
    gap: 8px;
    margin-top: 16px;
}

.feature-item {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

/* 知识卡片区域 */
.knowledge-section {
    padding: 80px 0;
    background: var(--bg-dark);
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
}

.knowledge-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.knowledge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-3);
    transform: scaleX(0);
    transition: var(--transition);
}

.knowledge-card:hover::before {
    transform: scaleX(1);
}

.knowledge-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

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

.card-content {
    color: var(--text-secondary);
    line-height: 1.8;
}

.card-content p {
    margin-bottom: 16px;
}

.card-content strong {
    color: var(--primary-color);
}

.step-list {
    list-style: none;
    counter-reset: step-counter;
    padding-left: 0;
    margin: 16px 0;
}

.step-list li {
    counter-increment: step-counter;
    padding: 12px 12px 12px 48px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    margin-bottom: 12px;
    position: relative;
}

.step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.feature-list-simple {
    list-style: none;
    padding-left: 0;
    margin: 16px 0;
}

.feature-list-simple li {
    padding: 8px 0;
    padding-left: 32px;
    position: relative;
}

.feature-list-simple li::before {
    content: '→';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-weight: 700;
}

.tip {
    background: rgba(0, 212, 255, 0.1);
    border-left: 3px solid var(--primary-color);
    padding: 12px 16px;
    border-radius: 4px;
    margin-top: 16px;
    font-size: 0.95rem;
}

.tip.warning {
    background: rgba(255, 165, 0, 0.1);
    border-left-color: var(--warning-color);
}

.comparison-table {
    margin: 16px 0;
}

.comparison-row {
    background: rgba(255, 255, 255, 0.03);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--primary-color);
}

.platform-name {
    color: var(--primary-color);
    margin-bottom: 8px;
}

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

.architecture {
    background: rgba(131, 56, 236, 0.1);
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    border: 1px solid rgba(131, 56, 236, 0.3);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

.quote {
    background: rgba(255, 255, 255, 0.03);
    border-left: 4px solid var(--secondary-color);
    padding: 16px 20px;
    margin-top: 16px;
    font-style: italic;
    border-radius: 4px;
}

/* 资源链接区域 */
.resources-section {
    padding: 80px 0;
    background: var(--bg-darker);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.resource-category {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.resource-category:hover {
    border-color: var(--primary-color);
    box-shadow: var(--box-shadow-1);
    transform: translateY(-4px);
}

.category-title {
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.resource-list {
    list-style: none;
    padding-left: 0;
}

.resource-list li {
    margin-bottom: 12px;
}

.resource-list a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid transparent;
}

.resource-list a:hover {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(8px);
}

/* 页脚 */
.footer {
    background: var(--bg-card);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.footer-desc {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-meta p {
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }

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

    .characters-grid,
    .knowledge-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-meta {
        flex-direction: column;
        gap: 16px;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .stat-card {
        padding: 24px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .message-bubble {
        max-width: 85%;
    }

    .section-header {
        padding: 20px 16px;
    }

    .section-header .section-title {
        font-size: 1.3rem;
    }

    .conversation-timeline {
        padding: 20px 16px;
    }

    .knowledge-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }

    .knowledge-card,
    .resource-category {
        padding: 24px;
    }

    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
        font-size: 18px;
    }

    .title-line {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        min-height: 400px;
        padding: 60px 0;
    }

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

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

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

    .message-avatar {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .toggle-btn {
        width: 40px;
        height: 40px;
    }
}

/* 打印样式 */
@media print {
    .back-to-top,
    .toggle-btn {
        display: none;
    }

    .section-content {
        max-height: none !important;
    }

    body {
        background: white;
        color: black;
    }
}