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

/* 开屏载入动画样式 */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    overflow: hidden;
    transition: opacity 1s ease, transform 1s ease;
}

.splash-screen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(26, 188, 156, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(243, 156, 18, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.splash-screen.hidden {
    opacity: 0;
    transform: scale(1.1);
    pointer-events: none;
}

/* 背景粒子 */
.splash-bg-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat 15s infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 14s; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 16s; }
.particle:nth-child(4) { left: 50%; animation-delay: 1s; animation-duration: 13s; }
.particle:nth-child(5) { left: 60%; animation-delay: 3s; animation-duration: 15s; }
.particle:nth-child(6) { left: 70%; animation-delay: 5s; animation-duration: 11s; }
.particle:nth-child(7) { left: 85%; animation-delay: 2.5s; animation-duration: 14s; }
.particle:nth-child(8) { left: 95%; animation-delay: 4.5s; animation-duration: 17s; }

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) scale(1);
        opacity: 0;
    }
}

.splash-content {
    text-align: center;
    animation: fadeInUp 1s ease;
    position: relative;
    z-index: 1;
}

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

.splash-logo {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: #1abc9c;
    border-right-color: #667eea;
    border-radius: 50%;
    animation: ringRotate 2s linear infinite;
}

.logo-ring::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    border: 2px solid transparent;
    border-bottom-color: #f39c12;
    border-left-color: #e74c3c;
    border-radius: 50%;
    animation: ringRotate 1.5s linear infinite reverse;
}

@keyframes ringRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.logo-icon {
    font-size: 4rem;
    animation: iconPulse 2s ease-in-out infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0 0 20px rgba(26, 188, 156, 0.5));
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 20px rgba(26, 188, 156, 0.5));
    }
    50% {
        transform: scale(1.1);
        filter: drop-shadow(0 0 30px rgba(26, 188, 156, 0.8));
    }
}

.logo-text {
    margin-bottom: 40px;
}

.logo-text .text-line {
    display: inline-block;
    font-size: 2rem;
    color: white;
    font-weight: 700;
    letter-spacing: 8px;
    text-shadow: 0 0 30px rgba(26, 188, 156, 0.5);
    animation: textReveal 1s ease forwards;
    opacity: 0;
}

.logo-text .text-line:first-child {
    animation-delay: 0.3s;
}

.logo-text .text-line:last-child {
    font-size: 1.2rem;
    letter-spacing: 4px;
    animation-delay: 0.6s;
}

.logo-text .text-divider {
    display: block;
    font-size: 1.5rem;
    color: #f39c12;
    margin: 10px 0;
    animation: dividerPulse 1.5s ease-in-out infinite;
}

@keyframes textReveal {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes dividerPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.splash-progress {
    width: 350px;
    margin: 0 auto 30px;
}

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

.progress-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.progress-percent {
    color: #1abc9c;
    font-size: 1.2rem;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(26, 188, 156, 0.5);
}

.progress-bar {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 15px;
    box-shadow: 
        inset 0 2px 4px rgba(0, 0, 0, 0.2),
        0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #1abc9c, #3498db, #9b59b6);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
    box-shadow: 
        0 0 10px rgba(26, 188, 156, 0.5),
        0 0 20px rgba(26, 188, 156, 0.3);
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: progressShine 1.5s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    letter-spacing: 2px;
    animation: textFade 1.5s ease-in-out infinite;
}

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

.splash-decor {
    position: relative;
    height: 100px;
}

.dot {
    position: absolute;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    box-shadow: 
        0 2px 4px rgba(0, 0, 0, 0.1),
        0 4px 8px rgba(0, 0, 0, 0.05),
        inset 0 1px 2px rgba(255, 255, 255, 0.8);
}

.dot-1 {
    left: 30%;
    animation-delay: 0s;
}

.dot-2 {
    left: 40%;
    animation-delay: 0.4s;
}

.dot-3 {
    left: 50%;
    animation-delay: 0.8s;
}

.dot-4 {
    left: 60%;
    animation-delay: 1.2s;
}

.dot-5 {
    left: 70%;
    animation-delay: 1.6s;
}

@keyframes pulse {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translateY(-30px) scale(1.2);
        opacity: 1;
    }
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(180deg, #f0f4f8 0%, #e8eef3 100%);
    color: #333;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: 0.02em;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(26, 188, 156, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(243, 156, 18, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 
        0 4px 12px rgba(26, 188, 156, 0.06),
        0 8px 24px rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(26, 188, 156, 0.08);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo h2 {
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: all 0.3s;
    padding: 10px 15px;
    border-radius: 8px;
    position: relative;
    letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
    color: #1abc9c;
    background: rgba(26, 188, 156, 0.08);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, #1abc9c, #11998e);
    border-radius: 2px;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background 0.3s;
}

.hamburger:hover {
    background: rgba(26, 188, 156, 0.1);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: linear-gradient(90deg, #1abc9c, #11998e);
    margin: 3px 0;
    transition: all 0.3s;
    border-radius: 2px;
}

.banner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #1abc9c 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    color: white;
    padding: 120px 20px 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        inset 0 -20px 40px rgba(0, 0, 0, 0.1),
        0 10px 30px rgba(0, 0, 0, 0.1);
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.banner-content h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.05em;
}

.title-animate {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
}

.title-animate .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(40px) rotateX(-90deg);
    animation: charReveal 0.8s ease forwards;
}

@keyframes charReveal {
    0% {
        opacity: 0;
        transform: translateY(40px) rotateX(-90deg);
    }
    60% {
        transform: translateY(-10px) rotateX(10deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

.subtitle-animate {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 1.8s;
}

.intro-animate {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 2.2s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 0.95;
        transform: translateY(0);
    }
}

.danmaku-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: hidden;
}

.danmaku-item {
    position: absolute;
    white-space: nowrap;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
    animation: danmakuMove linear forwards;
    opacity: 0.85;
    transition: opacity 0.3s;
}

.danmaku-item:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.25);
}

@keyframes danmakuMove {
    from {
        transform: translateX(100vw);
    }
    to {
        transform: translateX(-100%);
    }
}

.danmaku-item.style-1 {
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.3) 0%, rgba(17, 153, 142, 0.3) 100%);
    border: 1px solid rgba(26, 188, 156, 0.3);
}

.danmaku-item.style-2 {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    border: 1px solid rgba(102, 126, 234, 0.3);
}

.danmaku-item.style-3 {
    background: linear-gradient(135deg, rgba(243, 156, 18, 0.3) 0%, rgba(230, 126, 34, 0.3) 100%);
    border: 1px solid rgba(243, 156, 18, 0.3);
}

.danmaku-item.style-4 {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.3) 0%, rgba(41, 128, 185, 0.3) 100%);
    border: 1px solid rgba(52, 152, 219, 0.3);
}

.danmaku-item.style-5 {
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.3) 0%, rgba(142, 68, 173, 0.3) 100%);
    border: 1px solid rgba(155, 89, 182, 0.3);
}

.subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.15);
    font-weight: 400;
    letter-spacing: 0.08em;
}

.intro {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    opacity: 0.95;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.15);
    line-height: 1.9;
}

.cards-section {
    padding: 60px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px 30px;
    text-align: center;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.05),
        0 12px 24px rgba(26, 188, 156, 0.1),
        0 24px 48px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: 1px solid rgba(26, 188, 156, 0.08);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1abc9c, #11998e, #667eea);
    opacity: 0;
    transition: opacity 0.3s;
}

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

.card:hover {
    transform: translateY(-12px);
    box-shadow: 
        0 8px 16px rgba(26, 188, 156, 0.1),
        0 25px 50px rgba(26, 188, 156, 0.15),
        0 50px 100px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(26, 188, 156, 0.2);
}

.card-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.1));
}

.card-data {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    letter-spacing: 0.02em;
    font-variant-numeric: tabular-nums;
}

.card-desc {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.7;
}

.guide-section {
    padding: 60px 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(240, 244, 248, 0.5) 100%);
}

.guide-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #333;
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.guide-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.guide-item {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px 30px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(26, 188, 156, 0.08);
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.guide-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-10px);
    box-shadow: 
        0 10px 20px rgba(102, 126, 234, 0.2),
        0 25px 50px rgba(102, 126, 234, 0.3),
        0 50px 100px rgba(0, 0, 0, 0.15);
}

.guide-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
    transition: color 0.3s;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.guide-item:hover h3 {
    color: white;
}

.guide-item p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 20px;
    transition: color 0.3s;
    line-height: 1.7;
}

.guide-item:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 
        0 4px 8px rgba(26, 188, 156, 0.2),
        0 8px 16px rgba(26, 188, 156, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    letter-spacing: 0.05em;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 
        0 6px 12px rgba(26, 188, 156, 0.25),
        0 12px 24px rgba(26, 188, 156, 0.35),
        0 24px 48px rgba(26, 188, 156, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.guide-item:hover .btn {
    background: white;
    color: #1abc9c;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.data-declaration {
    padding: 40px 20px;
    text-align: center;
    color: #666;
    background: rgba(255, 255, 255, 0.9);
    border-top: 1px solid rgba(26, 188, 156, 0.08);
    box-shadow: inset 0 4px 12px rgba(0, 0, 0, 0.02);
}

.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 40px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        inset 0 4px 12px rgba(0, 0, 0, 0.1),
        0 -4px 20px rgba(0, 0, 0, 0.1);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.1) 0%, rgba(102, 126, 234, 0.1) 100%);
    pointer-events: none;
}

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

.footer-content p {
    margin: 8px 0;
    font-size: 0.9rem;
    opacity: 0.85;
    line-height: 1.8;
    letter-spacing: 0.02em;
}

.float-btn {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 
        0 4px 8px rgba(243, 156, 18, 0.2),
        0 8px 16px rgba(243, 156, 18, 0.3),
        0 16px 32px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.float-btn.show {
    opacity: 1;
    visibility: visible;
}

.float-btn:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    transform: translateY(-3px);
    box-shadow: 
        0 6px 12px rgba(243, 156, 18, 0.25),
        0 12px 24px rgba(243, 156, 18, 0.35),
        0 24px 48px rgba(0, 0, 0, 0.2);
}

@media (max-width: 1200px) {
    .cards-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .guide-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: white;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        transition: left 0.3s;
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .banner-content h1 {
        font-size: 1.8rem;
    }

    .cards-container {
        grid-template-columns: 1fr;
    }

    .guide-container {
        grid-template-columns: 1fr;
    }

    .nav-logo h2 {
        font-size: 1rem;
    }
}

.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 60px;
}

.page-title {
    text-align: center;
    margin-bottom: 40px;
}

.page-title h1 {
    font-size: 2.2rem;
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.page-title p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
}

.chart-section {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.05),
        0 10px 20px rgba(26, 188, 156, 0.08),
        0 20px 40px rgba(26, 188, 156, 0.1),
        0 40px 80px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(26, 188, 156, 0.08);
    position: relative;
    transform: translateZ(0);
}

.chart-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 24px;
    box-shadow: inset 0 2px 4px rgba(255, 255, 255, 0.9);
    pointer-events: none;
}

.chart-container {
    height: 400px;
    margin-top: 20px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%);
    padding: 15px;
    box-shadow: 
        inset 0 2px 8px rgba(0, 0, 0, 0.03),
        inset 0 -1px 0 rgba(255, 255, 255, 0.8);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.category-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-left: 4px solid;
    border-image: linear-gradient(to bottom, #1abc9c, #11998e) 1;
    transition: all 0.4s ease;
}

.category-card:hover {
    transform: translateX(5px);
    box-shadow: 
        0 8px 16px rgba(26, 188, 156, 0.08),
        0 20px 40px rgba(26, 188, 156, 0.12),
        0 40px 80px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.category-card h3 {
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.category-card .tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(26, 188, 156, 0.15) 0%, rgba(17, 153, 142, 0.15) 100%);
    color: #1abc9c;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 15px;
    font-weight: 600;
    letter-spacing: 0.05em;
    box-shadow: 
        0 2px 4px rgba(26, 188, 156, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.category-card .example {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 12px 18px;
    border-radius: 12px;
    margin-bottom: 15px;
    font-size: 0.95rem;
    color: #555;
    border-left: 3px solid #1abc9c;
    font-weight: 500;
    box-shadow: 
        inset 2px 2px 4px rgba(0, 0, 0, 0.02),
        inset -1px -1px 2px rgba(255, 255, 255, 0.8);
}

.category-card .scene {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.category-card .interpretation {
    color: #666;
    line-height: 1.8;
}

.summary-section {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(240, 244, 248, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px;
    margin-bottom: 30px;
    border: 1px solid rgba(26, 188, 156, 0.08);
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.summary-section h3 {
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.summary-section p {
    color: #666;
    line-height: 1.9;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.split-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px;
    box-shadow: 
        0 4px 6px rgba(0, 0, 0, 0.03),
        0 12px 24px rgba(0, 0, 0, 0.06),
        0 24px 48px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all 0.4s ease;
}

.split-card:hover {
    box-shadow: 
        0 6px 12px rgba(0, 0, 0, 0.04),
        0 16px 32px rgba(0, 0, 0, 0.08),
        0 32px 64px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(-4px);
}

.split-card.positive {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #27ae60, #2ecc71) 1;
}

.split-card.negative {
    border-top: 4px solid;
    border-image: linear-gradient(90deg, #e74c3c, #c0392b) 1;
}

.split-card h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.split-card.positive h3 {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.split-card.negative h3 {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.split-card .mini-chart {
    height: 200px;
    margin: 20px 0;
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.6) 0%, rgba(255, 255, 255, 0.8) 100%);
    padding: 10px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.02);
}

.split-card ul {
    list-style: none;
    padding: 0;
}

.split-card ul li {
    padding: 14px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    padding-left: 28px;
    color: #555;
    line-height: 1.8;
}

.split-card ul li:last-child {
    border-bottom: none;
}

.split-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
    font-size: 1.1rem;
}

.split-card.negative ul li::before {
    content: "✗";
    color: #e74c3c;
}

.guide-blocks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.guide-block {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(26, 188, 156, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.guide-block:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 8px 16px rgba(26, 188, 156, 0.08),
        0 20px 40px rgba(26, 188, 156, 0.12),
        0 40px 80px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border-color: rgba(26, 188, 156, 0.2);
}

.guide-block h3 {
    font-size: 1.3rem;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #1abc9c, #11998e) 1;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.guide-block ul {
    list-style: none;
    padding: 0;
}

.guide-block ul li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: #555;
    line-height: 1.8;
}

.guide-block ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
    font-size: 1.3rem;
}

.channel-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.channel-item {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px 25px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    text-align: center;
    border: 1px solid rgba(26, 188, 156, 0.08);
    transition: all 0.4s ease;
}

.channel-item:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 8px 16px rgba(26, 188, 156, 0.08),
        0 20px 40px rgba(26, 188, 156, 0.12),
        0 40px 80px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.channel-item .percentage {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-variant-numeric: tabular-nums;
}

.channel-item h4 {
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    font-weight: 600;
}

.channel-item p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.7;
}

.path-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 40px 30px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(26, 188, 156, 0.08);
    flex-wrap: wrap;
}

.path-node {
    text-align: center;
    flex: 1;
    min-width: 150px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.path-node:hover {
    transform: scale(1.08);
}

.path-node .node-icon {
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 1.5rem;
    box-shadow: 
        0 4px 8px rgba(26, 188, 156, 0.2),
        0 8px 20px rgba(26, 188, 156, 0.3),
        0 16px 40px rgba(0, 0, 0, 0.1),
        inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.path-node h4 {
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    font-weight: 600;
}

.path-node p {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.6;
}

.path-arrow {
    font-size: 2rem;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 10px;
}

.finish-message {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #1abc9c 100%);
    color: white;
    border-radius: 24px;
    margin-bottom: 30px;
    box-shadow: 
        0 8px 16px rgba(102, 126, 234, 0.2),
        0 20px 40px rgba(102, 126, 234, 0.3),
        0 40px 80px rgba(0, 0, 0, 0.15);
}

.finish-message h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.finish-message p {
    opacity: 0.95;
    line-height: 1.9;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .split-layout {
        grid-template-columns: 1fr;
    }

    .guide-blocks {
        grid-template-columns: 1fr;
    }

    .path-flow {
        flex-direction: column;
        gap: 20px;
    }

    .path-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }

    .page-title h1 {
        font-size: 1.6rem;
    }

    .chart-section {
        padding: 20px;
    }

    .chart-container {
        height: 300px;
    }
}

.year-switch-section {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(26, 188, 156, 0.08);
    text-align: center;
}

.year-switch-container {
    margin-bottom: 20px;
}

.year-label {
    color: #666;
    font-size: 1rem;
}

.year-current {
    display: inline-block;
    background: linear-gradient(135deg, #1abc9c 0%, #11998e 100%);
    color: white;
    padding: 6px 18px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 1.2rem;
    margin-left: 10px;
    box-shadow: 
        0 4px 8px rgba(26, 188, 156, 0.2),
        0 8px 16px rgba(26, 188, 156, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.year-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.year-btn {
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border: 2px solid rgba(26, 188, 156, 0.15);
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.95);
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 2px 4px rgba(26, 188, 156, 0.05),
        0 4px 8px rgba(26, 188, 156, 0.08);
}

.year-btn:hover {
    transform: scale(1.05);
    border-color: #1abc9c;
    color: #1abc9c;
    box-shadow: 
        0 4px 8px rgba(26, 188, 156, 0.1),
        0 8px 16px rgba(26, 188, 156, 0.15),
        0 16px 32px rgba(26, 188, 156, 0.1);
}

.year-btn.active {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    border-color: #f39c12;
    color: white;
    box-shadow: 
        0 4px 8px rgba(243, 156, 18, 0.2),
        0 8px 16px rgba(243, 156, 18, 0.3),
        0 16px 32px rgba(0, 0, 0, 0.1);
}

.visualization-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.visualization-left,
.visualization-right {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 25px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(26, 188, 156, 0.08);
    position: relative;
    transform: translateZ(0);
    transition: all 0.4s ease;
}

.visualization-left:hover,
.visualization-right:hover {
    box-shadow: 
        0 6px 12px rgba(26, 188, 156, 0.06),
        0 16px 32px rgba(26, 188, 156, 0.1),
        0 32px 64px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(-4px);
}

.section-title {
    background: linear-gradient(135deg, #333 0%, #555 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid;
    border-image: linear-gradient(90deg, #1abc9c, #11998e) 1;
}

.wordcloud-container {
    height: 450px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.6) 0%, rgba(255, 255, 255, 0.8) 100%);
    padding: 10px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.02);
}

.heatmap-container {
    height: 450px;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(248, 250, 252, 0.6) 0%, rgba(255, 255, 255, 0.8) 100%);
    padding: 10px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.02);
}

.analysis-section {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.04),
        0 12px 24px rgba(26, 188, 156, 0.08),
        0 24px 48px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(26, 188, 156, 0.08);
}

.analysis-content p {
    color: #666;
    line-height: 1.9;
    font-size: 1rem;
}

.data-label-section {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.98) 0%, rgba(233, 236, 239, 0.95) 100%);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 20px 30px;
    text-align: center;
    border: 1px solid rgba(26, 188, 156, 0.08);
    box-shadow: 
        0 4px 6px rgba(26, 188, 156, 0.03),
        0 8px 16px rgba(26, 188, 156, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.data-label-section p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .visualization-section {
        grid-template-columns: 1fr;
    }
    
    .wordcloud-container,
    .heatmap-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .year-buttons {
        gap: 10px;
    }
    
    .year-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .wordcloud-container,
    .heatmap-container {
        height: 350px;
    }

    .banner-content h1 {
        font-size: 1.8rem;
        letter-spacing: 0.03em;
    }

    .title-animate {
        gap: 2px;
    }

    .title-animate .char {
        animation-duration: 0.6s;
    }

    .subtitle {
        font-size: 1.1rem;
        letter-spacing: 0.05em;
    }

    .intro {
        font-size: 1rem;
        line-height: 1.7;
    }

    .card-data {
        font-size: 1.8rem;
    }

    .guide-section h2 {
        font-size: 1.5rem;
        letter-spacing: 0.03em;
    }

    .page-title h1 {
        font-size: 1.6rem;
        letter-spacing: 0.02em;
    }

    .logo-text {
        font-size: 1.4rem;
        letter-spacing: 4px;
    }

    .section-title {
        font-size: 1.1rem;
    }
}