* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #0d1b3a, #152642);
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.header {
    text-align: center;
    padding: 25px 0;
    margin-bottom: 20px;
    position: relative;
    width: 100%;
}

.header h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #40e0d0, #a0d2ff, #ff9a76);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 1px;
}

.header p {
    max-width: 800px;
    margin: 0 auto 25px;
    color: #c4e8ff;
    line-height: 1.6;
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 25px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    border: 1px solid rgba(64, 224, 208, 0.2);
    width: 90%;
    max-width: 1000px;
}

.filter-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.filter-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #a0d2ff;
    font-size: 1.2rem;
    font-weight: 500;
}

.filter-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.filter-label {
    color: #a0d2ff;
    font-weight: 500;
    min-width: 80px;
    text-align: right;
}

select, button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(64, 224, 208, 0.3);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    height: 45px;
    font-size: 1rem;
}

select {
    min-width: 180px;
}

select:hover, button:hover {
    background: rgba(64, 224, 208, 0.2);
    border-color: #40e0d0;
    transform: translateY(-2px);
}

select:focus {
    border-color: #ff9a76;
    box-shadow: 0 0 0 2px rgba(255, 154, 118, 0.2);
}

.filter-buttons {
    display: flex;
    gap: 15px;
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

.stats {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px 30px;
    min-width: 220px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(64, 224, 208, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, #40e0d0, #a0d2ff);
}

.stat-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.stat-label {
    display: block;
    font-size: 1.1rem;
    color: #a0d2ff;
    margin-bottom: 12px;
}

.stat-value {
    display: block;
    font-size: 2.4rem;
    font-weight: bold;
    color: #40e0d0;
    margin: 5px 0;
}

.stat-change {
    display: block;
    font-size: 1rem;
    color: #ff9a76;
    margin-top: 8px;
    font-weight: 500;
}

.dashboard {
    display: grid;
    grid-template-columns: 1.2fr 2.2fr 1.1fr;
    gap: 25px;
    margin-bottom: 30px;
    width: 100%;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    height: 500px;
    border: 1px solid rgba(64, 224, 208, 0.1);
    position: relative;
    overflow: hidden;
}

.double-card {
    display: flex;
    flex-direction: column;
    gap: 15px;
    height: 500px;
}

.half-card {
    flex: 1;
    min-height: 0;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 15px;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(64, 224, 208, 0.1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(64, 224, 208, 0.3);
}

.card h2 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #a0d2ff;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.half-card h2 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    padding-bottom: 8px;
}

.card h2 i {
    color: #ff9a76;
}

.chart {
    height: 430px;
    width: 100%;
}

.half-chart {
    height: calc(100% - 40px);
    width: 100%;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    flex-direction: column;
    gap: 15px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(64, 224, 208, 0.2);
    border-top: 5px solid #40e0d0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.progress-bar {
    width: 80%;
    max-width: 300px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 10px;
}

.progress {
    height: 100%;
    background: linear-gradient(to right, #40e0d0, #a0d2ff);
    width: 0;
    transition: width 0.5s ease;
}

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

.footer {
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    margin-top: 20px;
    width: 100%;
}

.footer a {
    color: #a0d2ff;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
    color: #ff9a76;
}

.province-info {
    position: absolute;
    top: 70px;
    right: 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(64, 224, 208, 0.3);
    display: none;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.province-info span {
    color: #ff9a76;
    font-weight: bold;
}

.province-info .close {
    margin-left: 10px;
    cursor: pointer;
    color: #a0d2ff;
}

.lazy-load-info {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 8px;
}

.data-status {
    position: fixed;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: #ff9a76;
    padding: 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    z-index: 1000;
}

.data-status.success {
    color: #40e0d0;
}

@media (max-width: 1200px) {
    .dashboard {
        grid-template-columns: 1fr 1fr;
    }
    
    .card:nth-child(3) {
        grid-column: span 2;
        height: 500px;
    }
    
    .province-info {
        position: static;
        margin-top: 15px;
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 900px) {
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .card {
        height: 500px;
    }
    
    .card:nth-child(3) {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2.2rem;
    }
    
    .controls {
        padding: 20px 15px;
        width: 95%;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .filter-label {
        text-align: center;
        min-width: auto;
    }
    
    select {
        width: 100%;
        max-width: 280px;
    }
    
    .stat-card {
        min-width: 200px;
        padding: 15px 20px;
    }
    
    .stat-value {
        font-size: 2.1rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .controls {
        padding: 20px 10px;
    }
    
    .stat-card {
        width: 100%;
        min-width: auto;
    }
    
    .stat-value {
        font-size: 1.9rem;
    }
    
    .card {
        padding: 15px;
        height: 450px;
    }
    
    .chart {
        height: 380px;
    }
    
    .filter-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .filter-buttons button {
        width: 100%;
    }
}