/* ============================================
   MAC SOUL - 唯美现代静态网页系统
   主题：暗黑极简 + 渐变粉红 + 霓虹光效
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* 色彩系统 */
    --bg-primary: #080510;
    --bg-secondary: #0d0a18;
    --bg-card: rgba(20, 12, 32, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-hover: rgba(255, 45, 106, 0.08);
    
    --pink-primary: #ff2d6a;
    --pink-secondary: #ff6b9d;
    --pink-soft: #ffb3c6;
    --pink-deep: #d41976;
    --pink-glow: rgba(255, 45, 106, 0.4);
    
    --gold-primary: #ffd700;
    --gold-soft: #ffe066;
    
    --text-primary: #ffffff;
    --text-secondary: #b8a5ba;
    --text-muted: #6a5a70;
    
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-accent: rgba(255, 45, 106, 0.3);
    
    /* 字体 */
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* 动画 */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 60px var(--pink-glow);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--pink-primary);
    color: white;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }

p { color: var(--text-secondary); }

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

a:hover { color: var(--pink-primary); }

/* ---------- Layout ---------- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding: 120px 0 80px;
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(180deg, rgba(8,5,16,0.95) 0%, rgba(8,5,16,0) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-logo {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--pink-primary), var(--gold-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

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

.nav-links a.active {
    color: var(--pink-primary);
    background: rgba(255, 45, 106, 0.1);
}

.nav-links .emoji {
    font-size: 16px;
}

/* Mobile Menu */
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-glass);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ---------- Hero Section ---------- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 60px 24px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(255, 45, 106, 0.15), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(212, 25, 118, 0.1), transparent),
        radial-gradient(ellipse 50% 30% at 20% 80%, rgba(255, 107, 157, 0.08), transparent);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(255, 45, 106, 0.15), rgba(212, 25, 118, 0.1));
    border: 1px solid var(--border-accent);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--pink-secondary);
    margin-bottom: 32px;
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 30px rgba(255, 45, 106, 0.2); }
    50% { box-shadow: 0 0 50px rgba(255, 45, 106, 0.4); }
}

.hero-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, var(--pink-soft) 40%, var(--pink-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 40px rgba(255, 45, 106, 0.3));
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto 50px;
}

.hero-description em {
    color: var(--pink-secondary);
    font-style: normal;
    font-weight: 500;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: float 3s ease-in-out infinite;
}

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

.scroll-indicator .mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator .mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--pink-primary);
    border-radius: 2px;
    animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(12px); }
}

/* Floating Particles */
.particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    font-size: 24px;
    opacity: 0.1;
    animation: float-particle 15s ease-in-out infinite;
}

.particle:nth-child(1) { top: 10%; left: 5%; animation-delay: 0s; font-size: 80px; }
.particle:nth-child(2) { top: 20%; right: 10%; animation-delay: 3s; font-size: 60px; }
.particle:nth-child(3) { top: 60%; left: 15%; animation-delay: 6s; font-size: 70px; }
.particle:nth-child(4) { top: 70%; right: 20%; animation-delay: 9s; font-size: 50px; }
.particle:nth-child(5) { top: 40%; left: 60%; animation-delay: 12s; font-size: 90px; }
.particle:nth-child(6) { top: 80%; left: 40%; animation-delay: 2s; font-size: 40px; }

@keyframes float-particle {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.05; }
    25% { transform: translateY(-30px) rotate(5deg); opacity: 0.15; }
    50% { transform: translateY(-10px) rotate(-3deg); opacity: 0.1; }
    75% { transform: translateY(-40px) rotate(8deg); opacity: 0.12; }
}

/* ---------- Section Styles ---------- */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-number {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--pink-primary);
    text-transform: uppercase;
    margin-bottom: 16px;
    padding: 8px 20px;
    background: rgba(255, 45, 106, 0.1);
    border-radius: 30px;
    border: 1px solid rgba(255, 45, 106, 0.2);
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--pink-primary), transparent);
    margin: 24px auto 0;
    border-radius: 3px;
}

/* ---------- Cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 32px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pink-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(255, 45, 106, 0.1);
}

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

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-content {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.card-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 45, 106, 0.1);
    border: 1px solid rgba(255, 45, 106, 0.2);
    border-radius: 20px;
    font-size: 12px;
    color: var(--pink-secondary);
    margin-top: 16px;
}

/* ---------- Special Cards ---------- */
.feature-card {
    background: linear-gradient(145deg, var(--bg-card), rgba(255, 45, 106, 0.03));
    border: 1px solid var(--border-accent);
}

.stat-card {
    text-align: center;
    padding: 40px 32px;
}

.stat-value {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--pink-primary), var(--gold-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ---------- Quote Box ---------- */
.quote-box {
    background: linear-gradient(135deg, var(--bg-card), rgba(255, 45, 106, 0.02));
    border-left: 3px solid var(--pink-primary);
    border-radius: 0 16px 16px 0;
    padding: 28px 32px;
    margin: 30px 0;
}

.quote-box p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.9;
    font-style: italic;
}

.quote-box strong {
    color: var(--pink-secondary);
    font-weight: 600;
}

.quote-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 30px 0;
}

.quote-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px 28px;
    position: relative;
    transition: all var(--transition-smooth);
}

.quote-item:hover {
    border-color: var(--border-accent);
    transform: translateX(8px);
}

.quote-item::before {
    content: '"';
    position: absolute;
    top: 12px;
    left: 20px;
    font-size: 48px;
    color: var(--pink-primary);
    opacity: 0.2;
    font-family: Georgia, serif;
    line-height: 1;
}

.quote-item p {
    font-size: 15px;
    padding-left: 24px;
}

/* ---------- Tables ---------- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
}

.data-table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
    padding: 16px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-subtle);
    transition: background var(--transition-fast);
}

.data-table tr:hover td {
    background: var(--bg-hover);
}

.data-table td:first-child {
    color: var(--pink-secondary);
    font-weight: 600;
}

/* ---------- Lists ---------- */
.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.list-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-fast);
}

.list-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-hover);
}

.list-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.list-content {
    flex: 1;
}

.list-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.list-desc {
    font-size: 13px;
    color: var(--text-muted);
}

/* ---------- Badges & Tags ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(255, 45, 106, 0.1), rgba(212, 25, 118, 0.05));
    border: 1px solid rgba(255, 45, 106, 0.2);
    border-radius: 30px;
    font-size: 13px;
    color: var(--pink-secondary);
}

.tag {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-muted);
    margin: 4px;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--pink-secondary);
}

/* ---------- Process Steps ---------- */
.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.process-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--pink-primary), var(--pink-deep));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 4px 20px rgba(255, 45, 106, 0.3);
}

.step-content {
    flex: 1;
    padding-top: 8px;
}

.step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-muted);
}

/* ---------- Two Column Layout ---------- */
.two-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.three-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.four-col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ---------- Category Header ---------- */
.category-header {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 50px 0 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: 12px;
}

.category-header::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, var(--pink-primary), var(--pink-secondary));
    border-radius: 2px;
}

/* ---------- Grid Organ Table ---------- */
.organ-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.organ-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 24px 16px;
    text-align: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.organ-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--pink-primary), var(--pink-secondary));
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.organ-item:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.organ-item:hover::before {
    transform: scaleX(1);
}

.organ-number {
    font-size: 11px;
    color: var(--pink-primary);
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.organ-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---------- Level Table ---------- */
.level-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.level-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px;
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 24px;
    align-items: center;
    transition: all var(--transition-fast);
}

.level-item:hover {
    border-color: var(--border-accent);
    background: var(--bg-hover);
}

.level-badge {
    text-align: center;
}

.level-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--pink-primary);
    margin-bottom: 4px;
}

.level-intensity {
    font-size: 12px;
    color: var(--text-muted);
}

.level-example {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 10px;
    font-style: italic;
}

/* ---------- Schedule Grid ---------- */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.schedule-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    gap: 20px;
    transition: all var(--transition-fast);
}

.schedule-item:hover {
    border-color: var(--border-accent);
    transform: translateX(4px);
}

.schedule-time {
    font-size: 24px;
    font-weight: 800;
    color: var(--pink-primary);
    min-width: 70px;
}

.schedule-scene {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.schedule-quote {
    font-size: 14px;
    color: var(--pink-soft);
    line-height: 1.6;
}

/* ---------- Forbidden List ---------- */
.forbidden-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.forbidden-item {
    background: rgba(255, 45, 106, 0.05);
    border: 1px solid rgba(255, 45, 106, 0.15);
    border-radius: 14px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.forbidden-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.forbidden-text {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ---------- Reference Grid ---------- */
.ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.ref-item {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    padding: 20px 24px;
    transition: all var(--transition-fast);
}

.ref-item:hover {
    border-color: var(--border-accent);
}

.ref-topic {
    font-size: 14px;
    color: var(--pink-secondary);
    margin-bottom: 8px;
}

.ref-file {
    font-size: 13px;
    color: var(--text-muted);
    font-family: 'SF Mono', Monaco, monospace;
    background: rgba(255, 255, 255, 0.02);
    padding: 8px 12px;
    border-radius: 6px;
}

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    padding: 80px 24px;
    border-top: 1px solid var(--border-subtle);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pink-primary), transparent);
}

.footer-text {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.footer-emoji {
    font-size: 48px;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ---------- Page Navigation ---------- */
.page-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    padding: 40px 0;
}

.page-nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.page-nav-link:hover {
    border-color: var(--pink-primary);
    color: var(--pink-primary);
    background: rgba(255, 45, 106, 0.05);
}

.page-nav-link .arrow {
    font-size: 18px;
}

/* ---------- Loading Animation ---------- */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px;
}

.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    background: var(--pink-primary);
    border-radius: 50%;
    animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0s; }

@keyframes loading-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
    .two-col { grid-template-columns: 1fr; gap: 30px; }
    .three-col { grid-template-columns: repeat(2, 1fr); }
    .four-col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav {
        padding: 16px 20px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 8px;
        border-bottom: 1px solid var(--border-subtle);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero-subtitle {
        letter-spacing: 4px;
        font-size: 14px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .three-col {
        grid-template-columns: 1fr;
    }
    
    .four-col {
        grid-template-columns: 1fr;
    }
    
    .organ-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .level-item {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .level-badge {
        text-align: left;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th,
    .data-table td {
        padding: 12px;
    }
    
    .footer {
        padding: 60px 20px;
    }
}

/* ---------- Animation Utilities ---------- */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* ---------- Highlight ---------- */
.highlight {
    background: linear-gradient(135deg, rgba(255, 45, 106, 0.2), rgba(212, 25, 118, 0.15));
    padding: 2px 8px;
    border-radius: 4px;
    color: var(--pink-soft);
}

/* ---------- Code ---------- */
code {
    font-family: 'SF Mono', Monaco, 'Fira Code', monospace;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--pink-soft);
}

/* ---------- Divider ---------- */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
    margin: 40px 0;
}

/* ---------- Blockquote ---------- */
blockquote {
    border-left: 3px solid var(--pink-primary);
    padding-left: 24px;
    margin: 24px 0;
    font-style: italic;
    color: var(--text-secondary);
}

/* ---------- Strong ---------- */
strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ---------- Spacing Utilities ---------- */
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }