/**
 * 水仙十字之谜 - 首页高级样式
 * Premium Homepage Styles
 * 配色方案: 深海蓝 #0a1929, 宝石青 #0d7377, 古典金 #d4af37, 深紫红 #8b3a62, 淡青 #7dd3fc
 */

/* ============================================
   CSS Variables & Theme Colors
   ============================================ */
:root {
    /* 主色调 */
    --color-bg-deep: #050d18;
    --color-bg-primary: #0a1929;
    --color-bg-secondary: #0f2744;
    --color-bg-tertiary: #162f4d;
    
    /* 强调色 */
    --color-teal: #0d7377;
    --color-teal-light: #14919b;
    --color-cyan: #7dd3fc;
    --color-cyan-glow: rgba(125, 211, 252, 0.3);
    
    --color-gold: #d4af37;
    --color-gold-light: #f0d060;
    --color-gold-glow: rgba(212, 175, 55, 0.3);
    
    --color-purple: #8b3a62;
    --color-purple-light: #a84873;
    --color-purple-glow: rgba(139, 58, 98, 0.3);
    
    /* 文字色 */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    /* 渐变 */
    --gradient-hero: linear-gradient(135deg, var(--color-bg-deep) 0%, var(--color-bg-primary) 50%, var(--color-bg-secondary) 100%);
    --gradient-gold: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
    --gradient-cyan: linear-gradient(135deg, var(--color-teal) 0%, var(--color-cyan) 100%);
    --gradient-purple: linear-gradient(135deg, var(--color-purple) 0%, var(--color-purple-light) 100%);
}

/* ============================================
   加载动画
   ============================================ */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-deep);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
}

.water-drop {
    width: 60px;
    height: 80px;
    background: var(--gradient-cyan);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    margin: 0 auto 30px;
    position: relative;
    animation: dropPulse 2s ease-in-out infinite;
    box-shadow: 0 0 60px var(--color-cyan-glow);
}

.water-drop::after {
    content: '';
    position: absolute;
    top: 15%;
    left: 20%;
    width: 30%;
    height: 30%;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
}

@keyframes dropPulse {
    0%, 100% {
        transform: scale(1) translateY(0);
        box-shadow: 0 0 60px var(--color-cyan-glow);
    }
    50% {
        transform: scale(1.1) translateY(-10px);
        box-shadow: 0 0 100px var(--color-cyan-glow);
    }
}

.loader-text {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: var(--color-cyan);
    letter-spacing: 4px;
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ============================================
   首页主区域 Hero Section
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-deep);
}

/* 背景层 */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    transition: transform 0.3s ease-out;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(5, 13, 24, 0.3) 0%,
        rgba(5, 13, 24, 0.5) 40%,
        rgba(5, 13, 24, 0.85) 100%
    );
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, var(--color-cyan-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, var(--color-purple-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, var(--color-gold-glow) 0%, transparent 40%);
    opacity: 0.5;
}

/* 装饰元素 */
.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.deco-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    height: 1px;
    opacity: 0.3;
}

.deco-line-1 {
    top: 20%;
    left: 0;
    width: 40%;
    animation: slideInLeft 1.5s ease-out;
}

.deco-line-2 {
    bottom: 30%;
    right: 0;
    width: 35%;
    animation: slideInRight 1.5s ease-out 0.3s both;
}

.deco-circle {
    position: absolute;
    border: 1px solid var(--color-gold);
    border-radius: 50%;
    opacity: 0.2;
}

.deco-circle-1 {
    top: 15%;
    right: 10%;
    width: 200px;
    height: 200px;
    animation: rotateCircle 30s linear infinite;
}

.deco-circle-2 {
    bottom: 20%;
    left: 5%;
    width: 150px;
    height: 150px;
    animation: rotateCircle 25s linear infinite reverse;
}

@keyframes rotateCircle {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideInLeft {
    from { transform: translateX(-100%); opacity: 0; }
    to { transform: translateX(0); opacity: 0.3; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 0.3; }
}

/* 浮动粒子容器 */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.hero-particle {
    position: absolute;
    background: var(--color-cyan);
    border-radius: 50%;
    opacity: 0.6;
    animation: floatParticle 15s ease-in-out infinite;
}

@keyframes floatParticle {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0.3;
    }
    25% {
        transform: translateY(-30px) translateX(10px);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-10px) translateX(-10px);
        opacity: 0.4;
    }
    75% {
        transform: translateY(-40px) translateX(5px);
        opacity: 0.7;
    }
}

/* 光晕效果 */
.hero-glows {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    animation: glowMove 20s ease-in-out infinite;
}

.hero-glow:nth-child(1) {
    top: -200px;
    left: -200px;
}

.hero-glow:nth-child(2) {
    bottom: -200px;
    right: -200px;
}

.hero-glow:nth-child(3) {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

@keyframes glowMove {
    0%, 100% { transform: scale(1) translate(0, 0); }
    33% { transform: scale(1.2) translate(30px, -20px); }
    66% { transform: scale(0.9) translate(-20px, 30px); }
}

/* 主内容 */
.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
}

/* 徽章 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-badge.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.badge-line {
    width: 60px;
    height: 1px;
    background: var(--gradient-gold);
}

.badge-text {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gold);
    letter-spacing: 8px;
    text-transform: uppercase;
}

/* 标题 */
.hero-title {
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s;
}

.hero-title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.title-main {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 8px;
    text-shadow: 
        0 0 40px var(--color-cyan-glow),
        0 0 80px rgba(125, 211, 252, 0.2);
    margin-bottom: 10px;
}

.title-sub {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 2vw, 1.2rem);
    color: var(--color-gold);
    letter-spacing: 12px;
    text-transform: uppercase;
    opacity: 0.8;
}

/* 标语 */
.hero-tagline {
    font-family: var(--font-body);
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-cyan);
    letter-spacing: 6px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.hero-tagline.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* 引言框 */
.hero-quote-box {
    position: relative;
    max-width: 650px;
    margin: 0 auto 50px;
    padding: 30px 40px;
    background: rgba(10, 25, 41, 0.6);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 4px;
    backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}

.hero-quote-box.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.hero-quote-box::before,
.hero-quote-box::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    border-color: var(--color-gold);
    border-style: solid;
    opacity: 0.5;
}

.hero-quote-box::before {
    top: -1px;
    left: -1px;
    border-width: 2px 0 0 2px;
}

.hero-quote-box::after {
    bottom: -1px;
    right: -1px;
    border-width: 0 2px 2px 0;
}

.quote-marks {
    position: absolute;
    top: -10px;
    left: 30px;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-gold);
    opacity: 0.3;
    line-height: 1;
}

.hero-quote {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-primary);
    line-height: 1.8;
    margin-bottom: 15px;
    font-style: italic;
}

.hero-author {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-gold);
    text-align: right;
}

/* 按钮组 */
.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.4s;
}

.hero-actions.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 36px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--color-bg-deep);
    border: none;
    box-shadow: 0 4px 30px var(--color-gold-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px var(--color-gold-glow);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-cyan);
    border: 1px solid var(--color-cyan);
}

.btn-secondary:hover {
    background: rgba(125, 211, 252, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 4px 30px var(--color-cyan-glow);
}

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
    z-index: 10;
}

.scroll-hint.animate-in {
    opacity: 1;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.6); opacity: 0.5; }
}

.scroll-text {
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    writing-mode: vertical-lr;
}

/* ============================================
   故事简介 Section - 增强版
   ============================================ */
.intro-section {
    padding: 120px 0;
    background: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

/* 背景装饰 */
.intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.3;
}

.intro-section::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.08) 0%, transparent 70%);
    transform: translateY(-50%);
    animation: glowPulse 8s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.8; transform: translateY(-50%) scale(1.1); }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.intro-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 80px;
    align-items: center;
}

/* 视觉区域 - 增强 */
.intro-visual {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-visual.visible {
    opacity: 1;
    transform: translateX(0);
}

.visual-frame {
    position: relative;
    background: linear-gradient(145deg, 
        rgba(15, 39, 68, 0.9) 0%, 
        rgba(22, 47, 77, 0.8) 50%,
        rgba(10, 25, 41, 0.9) 100%);
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 16px;
    padding: 40px 30px;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.visual-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-cyan), var(--color-gold));
    border-radius: 16px 16px 0 0;
}

.frame-decoration {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 1px solid rgba(125, 211, 252, 0.08);
    border-radius: 10px;
    pointer-events: none;
}

.frame-decoration::before,
.frame-decoration::after {
    content: '✦';
    position: absolute;
    color: var(--color-gold);
    font-size: 0.6rem;
    opacity: 0.4;
}

.frame-decoration::before {
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
}

.frame-decoration::after {
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
}

.visual-content {
    position: relative;
    z-index: 1;
}

.visual-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(212, 175, 55, 0.05));
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-gold);
    box-shadow: 
        0 0 30px var(--color-gold-glow),
        inset 0 0 20px rgba(212, 175, 55, 0.1);
    animation: iconFloat 4s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.visual-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(125, 211, 252, 0.1);
}

.stat-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
    padding: 15px 10px;
    background: rgba(125, 211, 252, 0.03);
    border-radius: 8px;
    border: 1px solid rgba(125, 211, 252, 0.05);
}

.stat-item:hover {
    background: rgba(125, 211, 252, 0.08);
    border-color: rgba(125, 211, 252, 0.15);
}

.stat-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-cyan);
    text-shadow: 0 0 20px var(--color-cyan-glow);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    letter-spacing: 1px;
}

/* 文字区域 */
.intro-text {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.intro-text.visible {
    opacity: 1;
    transform: translateX(0);
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    color: var(--color-gold);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 15px;
    position: relative;
    padding-left: 40px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 30px;
    height: 1px;
    background: var(--color-gold);
}

.section-title {
    font-family: var(--font-body);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 30px;
    line-height: 1.3;
}

.intro-paragraph {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
    margin-bottom: 20px;
}

.intro-paragraph strong {
    color: var(--color-gold);
}

.highlight {
    position: relative;
    font-weight: 500;
}

.highlight.cyan { color: var(--color-cyan); }
.highlight.purple { color: var(--color-purple-light); }
.highlight.gold { color: var(--color-gold); }

.intro-features {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.08), rgba(125, 211, 252, 0.02));
    border: 1px solid rgba(125, 211, 252, 0.15);
    border-radius: 25px;
    font-size: 0.85rem;
    color: var(--color-cyan);
    transition: all 0.4s ease;
    backdrop-filter: blur(5px);
}

.feature-item:hover {
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.15), rgba(125, 211, 252, 0.05));
    border-color: rgba(125, 211, 252, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.feature-item i {
    font-size: 0.95rem;
    opacity: 0.8;
}

/* ============================================
   角色展示 Section - 增强版
   ============================================ */
.characters-section {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

/* 背景动效 */
.characters-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 58, 98, 0.1) 0%, transparent 70%);
    animation: floatBg 15s ease-in-out infinite;
}

.characters-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(125, 211, 252, 0.08) 0%, transparent 70%);
    animation: floatBg 18s ease-in-out infinite reverse;
}

@keyframes floatBg {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -20px); }
    66% { transform: translate(-20px, 30px); }
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
    position: relative;
    z-index: 1;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-top: 15px;
}

.characters-showcase {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: relative;
    z-index: 1;
}

.character-card {
    position: relative;
    background: linear-gradient(145deg, 
        rgba(22, 47, 77, 0.95) 0%, 
        rgba(15, 39, 68, 0.9) 100%);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 16px;
    padding: 28px 22px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(50px);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    min-height: 320px;
}

.character-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.character-card:hover::before {
    opacity: 1;
}

.character-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(212, 175, 55, 0.1);
    border-color: rgba(212, 175, 55, 0.3);
}

.character-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}

.card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-role {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: var(--color-gold);
    margin-bottom: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.card-role i {
    font-size: 0.9rem;
}

.card-name {
    font-family: var(--font-body);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 4px;
    line-height: 1.2;
}

.card-full-name {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
    flex-grow: 1;
}

.card-traits {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 15px;
}

.card-traits span {
    padding: 4px 10px;
    font-size: 0.7rem;
    background: rgba(125, 211, 252, 0.08);
    border: 1px solid rgba(125, 211, 252, 0.15);
    border-radius: 15px;
    color: var(--color-cyan);
    transition: all 0.3s ease;
}

.character-card:hover .card-traits span {
    background: rgba(125, 211, 252, 0.12);
    border-color: rgba(125, 211, 252, 0.25);
}

.card-fate {
    display: flex;
    align-items: center;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.8rem;
    color: var(--color-purple-light);
    margin-top: auto;
}

.card-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle at top right, var(--color-gold-glow), transparent 70%);
    opacity: 0.4;
    transition: opacity 0.4s ease;
}

.character-card:hover .card-decoration {
    opacity: 0.6;
}

/* 角色卡片颜色主题 */
.character-card[data-role="dragon"] { border-color: rgba(139, 58, 98, 0.25); }
.character-card[data-role="dragon"] .card-decoration { background: radial-gradient(circle at top right, var(--color-purple-glow), transparent 70%); }
.character-card[data-role="dragon"] .card-name { color: var(--color-purple-light); }
.character-card[data-role="dragon"]:hover { border-color: rgba(139, 58, 98, 0.5); }

.character-card[data-role="hero"] { border-color: rgba(13, 115, 119, 0.25); }
.character-card[data-role="hero"] .card-decoration { background: radial-gradient(circle at top right, var(--color-cyan-glow), transparent 70%); }
.character-card[data-role="hero"] .card-name { color: var(--color-teal-light); }
.character-card[data-role="hero"]:hover { border-color: rgba(13, 115, 119, 0.5); }

.character-card[data-role="wizard"] { border-color: rgba(125, 211, 252, 0.25); }
.character-card[data-role="wizard"] .card-name { color: var(--color-cyan); }
.character-card[data-role="wizard"]:hover { border-color: rgba(125, 211, 252, 0.5); }

.character-card[data-role="princess"] { border-color: rgba(212, 175, 55, 0.25); }
.character-card[data-role="princess"] .card-name { color: var(--color-gold); }
.character-card[data-role="princess"]:hover { border-color: rgba(212, 175, 55, 0.5); }

.section-cta {
    text-align: center;
    margin-top: 50px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: transparent;
    border: 1px solid var(--color-gold);
    color: var(--color-gold);
    font-family: var(--font-body);
    font-size: 1rem;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.4s ease;
}

.btn-outline:hover {
    background: var(--color-gold);
    color: var(--color-bg-deep);
    box-shadow: 0 4px 30px var(--color-gold-glow);
}

/* ============================================
   时间线预览 Section
   ============================================ */
.timeline-section {
    padding: 120px 0;
    background: var(--color-bg-secondary);
}

.timeline-preview {
    position: relative;
    padding: 60px 0;
}

.timeline-track {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    transform: translateY(-50%);
}

.track-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(125, 211, 252, 0.2);
    border-radius: 2px;
}

.track-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: var(--progress, 0%);
    height: 100%;
    background: var(--gradient-cyan);
    border-radius: 2px;
    transition: width 0.5s ease;
}

.track-glow {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 30px;
    transform: translateY(-50%);
    background: linear-gradient(90deg, 
        transparent,
        var(--color-cyan-glow),
        transparent
    );
    opacity: 0.3;
}

.timeline-items {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.timeline-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 10px;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item:nth-child(1) { transition-delay: 0.1s; }
.timeline-item:nth-child(2) { transition-delay: 0.2s; }
.timeline-item:nth-child(3) { transition-delay: 0.3s; }
.timeline-item:nth-child(4) { transition-delay: 0.4s; }
.timeline-item:nth-child(5) { transition-delay: 0.5s; }

.item-dot {
    width: 20px;
    height: 20px;
    background: var(--color-bg-secondary);
    border: 3px solid var(--color-cyan);
    border-radius: 50%;
    margin-bottom: 20px;
    transition: all 0.4s ease;
    position: relative;
}

.item-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--color-cyan);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.3s ease;
}

.timeline-item:hover .item-dot,
.timeline-item.active .item-dot {
    transform: scale(1.3);
    box-shadow: 0 0 20px var(--color-cyan-glow);
}

.timeline-item:hover .item-dot::after,
.timeline-item.active .item-dot::after {
    transform: translate(-50%, -50%) scale(1);
}

.item-content {
    background: var(--color-bg-tertiary);
    border: 1px solid rgba(125, 211, 252, 0.1);
    border-radius: 8px;
    padding: 20px;
    width: 100%;
    max-width: 200px;
    transition: all 0.4s ease;
}

.timeline-item:hover .item-content,
.timeline-item.active .item-content {
    border-color: var(--color-cyan);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.item-era {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.item-title {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 8px;
}

.item-desc {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* ============================================
   主题卡片 Section - 增强版
   ============================================ */
.themes-section {
    padding: 120px 0;
    background: var(--color-bg-primary);
    position: relative;
    overflow: hidden;
}

/* 背景动效 */
.themes-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    animation: themeGlow 12s ease-in-out infinite;
}

@keyframes themeGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    position: relative;
    z-index: 1;
}

.theme-card {
    position: relative;
    background: linear-gradient(145deg, 
        rgba(22, 47, 77, 0.95) 0%, 
        rgba(15, 39, 68, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 35px 25px 30px;
    text-decoration: none;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 0;
    transform: translateY(40px);
    backdrop-filter: blur(10px);
}

.theme-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

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

.theme-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 
        0 25px 60px rgba(0,0,0,0.4),
        0 0 40px rgba(212, 175, 55, 0.1);
}

.theme-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.theme-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.05));
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: var(--color-gold);
    transition: all 0.4s ease;
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
}

.theme-card:hover .theme-icon {
    background: var(--color-gold);
    color: var(--color-bg-deep);
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
}

.theme-card h3 {
    font-family: var(--font-body);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 12px;
}

.theme-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex-grow: 1;
}

.theme-arrow {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    color: var(--color-gold);
    font-size: 1.1rem;
    transition: transform 0.3s ease;
    opacity: 0.6;
}

.theme-card:hover .theme-arrow {
    transform: translateX(8px);
    opacity: 1;
}

/* 主题卡片颜色变体 */
.theme-card[data-theme="fate"] .theme-icon { border-color: var(--color-cyan); color: var(--color-cyan); background: rgba(125, 211, 252, 0.1); }
.theme-card[data-theme="fate"]:hover .theme-icon { background: var(--color-cyan); }

.theme-card[data-theme="redemption"] .theme-icon { border-color: var(--color-purple-light); color: var(--color-purple-light); background: rgba(139, 58, 98, 0.1); }
.theme-card[data-theme="redemption"]:hover .theme-icon { background: var(--color-purple-light); }

.theme-card[data-theme="humanity"] .theme-icon { border-color: var(--color-teal); color: var(--color-teal); background: rgba(13, 115, 119, 0.1); }
.theme-card[data-theme="humanity"]:hover .theme-icon { background: var(--color-teal); }

/* ============================================
   页脚
   ============================================ */
.main-footer {
    padding: 60px 0;
    background: var(--color-bg-deep);
    border-top: 1px solid rgba(212, 175, 55, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-family: var(--font-body);
    font-size: 1.5rem;
    color: var(--color-gold);
}

.footer-brand .logo-icon {
    font-size: 1.8rem;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* ============================================
   响应式设计 - 全面优化
   ============================================ */

/* 平板端 */
@media (max-width: 1200px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .intro-visual {
        order: 2;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .intro-text {
        text-align: center;
    }
    
    .section-tag {
        display: block;
        padding-left: 0;
    }
    
    .section-tag::before {
        display: none;
    }
    
    .intro-features {
        justify-content: center;
    }
    
    .characters-showcase {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .themes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 小平板/大手机 */
@media (max-width: 900px) {
    .characters-showcase {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .character-card {
        padding: 22px 18px;
        min-height: auto;
    }
    
    .card-name {
        font-size: 1.4rem;
    }
    
    .card-desc {
        font-size: 0.85rem;
    }
    
    .themes-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* 手机端 */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    /* Hero区域 */
    .hero-content {
        padding: 0 16px;
    }
    
    .title-main {
        font-size: 2rem;
        letter-spacing: 4px;
    }
    
    .title-sub {
        font-size: 0.8rem;
        letter-spacing: 4px;
    }
    
    .hero-tagline {
        font-size: 1rem;
        letter-spacing: 3px;
    }
    
    .hero-quote-box {
        padding: 20px;
        margin-bottom: 30px;
    }
    
    .hero-quote {
        font-size: 0.95rem;
    }
    
    .hero-author {
        font-size: 0.8rem;
    }
    
    /* 故事简介 */
    .intro-section,
    .characters-section,
    .themes-section {
        padding: 60px 0;
    }
    
    .intro-section::after {
        display: none;
    }
    
    .intro-grid {
        gap: 30px;
    }
    
    .intro-visual {
        max-width: 100%;
    }
    
    .visual-frame {
        padding: 25px 18px;
        border-radius: 12px;
    }
    
    .visual-frame::before {
        height: 2px;
    }
    
    .visual-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
        margin-bottom: 20px;
    }
    
    .visual-stats {
        gap: 8px;
    }
    
    .stat-item {
        padding: 12px 6px;
        border-radius: 6px;
    }
    
    .stat-value {
        font-size: 1.6rem;
        margin-bottom: 4px;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .intro-paragraph {
        font-size: 0.95rem;
        line-height: 1.7;
    }
    
    .intro-features {
        gap: 10px;
        justify-content: center;
    }
    
    .feature-item {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    
    /* 角色卡片 */
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-desc {
        font-size: 0.95rem;
    }
    
    .characters-showcase {
        grid-template-columns: 1fr;
        max-width: 100%;
        gap: 16px;
    }
    
    .character-card {
        padding: 20px 16px;
        border-radius: 12px;
    }
    
    .card-role {
        font-size: 0.7rem;
        margin-bottom: 10px;
    }
    
    .card-name {
        font-size: 1.3rem;
        margin-bottom: 3px;
    }
    
    .card-full-name {
        font-size: 0.75rem;
        margin-bottom: 10px;
        padding-bottom: 10px;
    }
    
    .card-desc {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .card-traits {
        gap: 5px;
        margin-bottom: 12px;
    }
    
    .card-traits span {
        padding: 3px 8px;
        font-size: 0.65rem;
    }
    
    .card-fate {
        font-size: 0.75rem;
        padding-top: 10px;
    }
    
    /* 主题卡片 */
    .themes-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
        gap: 16px;
    }
    
    .theme-card {
        padding: 25px 20px 20px;
        border-radius: 12px;
    }
    
    .theme-icon {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
        margin-bottom: 15px;
    }
    
    .theme-card h3 {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .theme-card p {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
    
    /* CTA按钮 */
    .section-cta {
        margin-top: 35px;
    }
    
    .btn-outline {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    /* 页脚 */
    .footer-brand {
        font-size: 1.3rem;
    }
    
    .footer-text {
        font-size: 0.8rem;
    }
}

/* 小手机 */
@media (max-width: 480px) {
    .title-main {
        font-size: 1.7rem;
        letter-spacing: 2px;
    }
    
    .title-sub {
        font-size: 0.7rem;
        letter-spacing: 3px;
    }
    
    .hero-tagline {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .hero-quote-box {
        padding: 16px;
        margin: 0 10px 25px;
    }
    
    .quote-marks {
        font-size: 2.5rem;
        top: -5px;
        left: 15px;
    }
    
    .hero-quote {
        font-size: 0.9rem;
    }
    
    .visual-frame {
        padding: 20px 14px;
    }
    
    .visual-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stat-value {
        font-size: 1.4rem;
    }
    
    .stat-label {
        font-size: 0.65rem;
    }
    
    .intro-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-item {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    /* 角色卡片 - 小手机 */
    .characters-showcase {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        padding: 0 5px;
    }
    
    .character-card {
        padding: 16px 14px;
        border-radius: 10px;
        min-height: auto !important;
    }
    
    .card-role {
        font-size: 0.65rem;
        gap: 5px;
        margin-bottom: 8px;
    }
    
    .card-role i {
        font-size: 0.8rem;
    }
    
    .card-name {
        font-size: 1.15rem;
        margin-bottom: 2px;
    }
    
    .card-full-name {
        font-size: 0.7rem;
        margin-bottom: 8px;
        padding-bottom: 8px;
    }
    
    .card-desc {
        font-size: 0.82rem;
        line-height: 1.5;
        margin-bottom: 10px;
    }
    
    .card-traits {
        gap: 4px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }
    
    .card-traits span {
        padding: 3px 7px;
        font-size: 0.62rem;
    }
    
    .card-fate {
        font-size: 0.72rem;
        padding-top: 10px;
        gap: 6px;
    }
    
    .card-fate i {
        font-size: 0.75rem;
    }
    
    /* 主题卡片 - 小手机 */
    .themes-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        padding: 0 5px;
    }
    
    .theme-card {
        padding: 18px 14px 16px;
        border-radius: 10px;
    }
    
    .theme-icon {
        width: 42px;
        height: 42px;
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .theme-card h3 {
        font-size: 0.95rem;
        margin-bottom: 8px;
    }
    
    .theme-card p {
        font-size: 0.78rem;
        margin-bottom: 12px;
    }
    
    .theme-arrow {
        font-size: 0.9rem;
    }
    
    /* 区块间距 - 小手机 */
    .intro-section,
    .characters-section,
    .themes-section {
        padding: 45px 0;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-tag {
        font-size: 0.7rem;
        letter-spacing: 2px;
        margin-bottom: 8px;
    }
    
    .section-desc {
        font-size: 0.85rem;
    }
    
    /* 按钮 - 小手机 */
    .section-cta {
        margin-top: 28px;
    }
    
    .btn-outline {
        padding: 10px 20px;
        font-size: 0.85rem;
        gap: 8px;
    }
    
    /* 页脚 - 小手机 */
    .footer {
        padding: 35px 16px;
    }
    
    .footer-brand {
        font-size: 1.1rem;
    }
    
    .footer-text {
        font-size: 0.75rem;
    }
    
    .footer-copyright {
        font-size: 0.7rem;
    }
}

/* 超小屏幕 */
@media (max-width: 360px) {
    .title-main {
        font-size: 1.5rem;
    }
    
    .hero-quote-box {
        padding: 14px 12px;
    }
    
    .hero-quote {
        font-size: 0.85rem;
    }
    
    .card-name {
        font-size: 1.1rem;
    }
    
    .card-desc {
        font-size: 0.78rem;
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
    
    .visual-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    
    .stat-item {
        padding: 10px 4px;
    }
}