:root {
    --tech-dark: #0a192f;
    --tech-light: #e6f1ff;
    --tech-accent: #64ffda;
    --tech-glow: rgba(100, 255, 218, 0.1);
}

body {
    margin: 0;
    padding: 2rem;
    min-height: 100vh;
    background: linear-gradient(45deg, var(--tech-dark) 0%, #020c1b 100%);
    font-family: 'Segoe UI', Roboto, sans-serif;
    color: var(--tech-light);
    line-height: 1.6;
}

.container {
    max-width: 800px;  /* 调整为更紧凑的宽度 */
    margin: 2rem auto;  /* 增加上下边距 */
    padding: 2.5rem;
    background: rgba(2, 12, 27, 0.9);  /* 稍微加深背景 */
    border-radius: 15px;  /* 更圆润的边框 */
    box-shadow: 0 5px 25px var(--tech-glow);  /* 增强阴影层次感 */
}

h1 {
    color: #f8f9fa;
    border-bottom: 2px solid var(--tech-accent);
    padding-bottom: 0.5rem;
    margin: 0 auto 1.5rem;
    text-align: center;
    max-width: 80%;
    background-color: inherit;
    font-size: 2.2rem;
}

.params-display {
    color: #dee2e6;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    text-align: center;
    line-height: 1.6;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

p {
    margin: 0;
}
select {
    padding: 0.5rem;
    border: 2px solid #081342;
    border-radius: 5px;
    background: #020c1b;
    transition: border-color 0.3s ease;
    width: 20%;  /* 与输入框宽度一致，避免选项截断 */
    /* 输入框长度与背景色模块一致 */
    box-sizing: border-box;
    color: var(--tech-light);  /* 显式设置文字颜色确保对比度 */
}
input {
    padding: 0.5rem;
    border: 2px solid #081342;
    border-radius: 5px;
    background: #020c1b;
    color: var(--tech-light);
    transition: border-color 0.3s ease;
    width: 90%;  /* 输入框填满父容器宽度 */
    /* 输入框长度与背景色模块一致 */
    box-sizing: border-box;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--tech-accent);
}

button {
    padding: 1rem 2rem;
    background: var(--tech-accent);
    color: var(--tech-dark);
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--tech-glow);
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
    }
    .container {
        padding: 1rem;
    }
}
.table-container {
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.result-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(30, 30, 30, 0.85);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1.5rem 0;
    background: rgba(50, 50, 50, 0.9);
    backdrop-filter: blur(8px);
    border-radius: 8px;
    overflow: hidden;
}

td, th {
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

th {
    background: linear-gradient(145deg, #0066ff 0%, #0044cc 100%);
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

tr:hover td {
    background: rgba(0, 102, 255, 0.1);
}

.no-data {
    background: rgba(255, 60, 60, 0.15);
    border-left: 4px solid #ff3c3c;
    padding: 1.5rem;
    border-radius: 4px;
    color: #ffa3a3;
}

@media (max-width: 768px) {
    td, th {
        padding: 0.8rem;
        font-size: 0.9em;
    }
}