/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 根变量定义 */
:root {
    /* 传统色彩 */
    --primary-color: #8B4513;        /* 棕色 - 土元素 */
    --secondary-color: #DAA520;      /* 金黄色 - 金元素 */
    --accent-color: #CD853F;         /* 沙棕色 */
    --text-primary: #2F4F4F;         /* 深灰绿 */
    --text-secondary: #696969;       /* 暗灰色 */
    --background-light: #FFF8DC;     /* 玉米丝色 */
    --background-card: #FFFEF7;      /* 象牙白 */
    --border-color: #D2B48C;         /* 棕褐色 */
    --shadow-color: rgba(139, 69, 19, 0.1);
    
    /* 五行色彩 */
    --wood-color: #228B22;           /* 森林绿 - 木 */
    --fire-color: #DC143C;           /* 深红色 - 火 */
    --earth-color: #8B4513;          /* 棕色 - 土 */
    --metal-color: #C0C0C0;          /* 银色 - 金 */
    --water-color: #4682B4;          /* 钢蓝色 - 水 */
    
    /* 字体 */
    --font-family: 'Noto Serif SC', 'Microsoft YaHei', serif;
    --font-size-base: 16px;
    --font-size-large: 18px;
    --font-size-xl: 24px;
    --font-size-xxl: 32px;
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* 圆角 */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* 阴影 */
    --shadow-sm: 0 2px 4px var(--shadow-color);
    --shadow-md: 0 4px 8px var(--shadow-color);
    --shadow-lg: 0 8px 16px var(--shadow-color);
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 基础样式 */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--background-light) 0%, #F5F5DC 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* 头部样式 */
.header {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    color: white;
    position: relative;
    overflow: hidden;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 14px;
}

.username {
    font-weight: 600;
}

.credits {
    background: rgba(255, 255, 255, 0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.auth-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s linear infinite;
    pointer-events: none;
}

@keyframes float {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

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

.title {
    margin-bottom: var(--spacing-sm);
}

.title-main {
    display: block;
    font-size: var(--font-size-xxl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: titleGlow 3s ease-in-out infinite alternate;
}

@keyframes titleGlow {
    from { text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
    to { text-shadow: 2px 2px 8px rgba(255,255,255,0.3), 0 0 20px rgba(255,255,255,0.2); }
}

.title-sub {
    display: block;
    font-size: var(--font-size-large);
    font-weight: 300;
    opacity: 0.9;
}

.header-decoration {
    margin-top: var(--spacing-md);
}

.bagua-symbol {
    font-size: 48px;
    animation: rotate 10s linear infinite;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.3));
}

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

/* 卡片样式 */
.card {
    background: var(--background-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--wood-color), var(--fire-color), var(--earth-color), var(--metal-color), var(--water-color));
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--secondary-color);
    animation: expandLine 1s ease-out;
}

@keyframes expandLine {
    from { width: 0; }
    to { width: 60px; }
}

/* 表单样式 */
.bazi-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
     gap: var(--spacing-md);
     margin-bottom: var(--spacing-lg);
 }
 /* 真太阳时区域两列对齐布局（全局） */
 .truesolar-row { grid-template-columns: 1fr 1fr; }
 #trueSolarToggleGroup { grid-column: 1; }
 #regionCNGroup { grid-column: 2; }
 #trueSolarFields { grid-column: 1; }
 #timezoneGroup { grid-column: 2; }

.form-group {
    display: flex;
    flex-direction: column;
    position: relative;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 14px;
    transition: color var(--transition-fast);
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    background: white;
    transition: all var(--transition-normal);
    position: relative;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* 美观的switch开关（真太阳时修正） */
.switch {
    display: grid;
    grid-template-columns: 1fr max-content;
    align-items: center;
    column-gap: 12px;
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: #fff;
    overflow: hidden; /* 防止桌面端滑块视觉溢出到右侧列 */
}
.switch-text { grid-column: 1; }
.switch-slider { grid-column: 2; justify-self: end; }
.switch-text {
    font-weight: 600;
    color: var(--primary-color);
}
.switch-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}
.switch-slider {
    position: relative;
    width: 44px;
    height: 24px;
    background: #e5e7eb;
    border-radius: 999px;
    transition: background-color var(--transition-fast);
}
.switch-slider::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    transition: transform var(--transition-fast);
}
.switch-input:checked + .switch-slider {
    background: var(--primary-color);
}
.switch-input:checked + .switch-slider::before {
    transform: translateX(20px);
}
.switch-input:focus + .switch-slider {
    box-shadow: 0 0 0 3px rgba(30,144,255,0.15);
}
.help-text {
    color: #888;
    margin-top: 6px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
    transform: translateY(-1px);
}

.form-group input:focus + label,
.form-group select:focus + label {
    color: var(--primary-color);
}

/* 输入验证样式 */
.field-error {
    color: #DC143C;
    font-size: 12px;
    margin-top: 4px;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.field-invalid {
    border-color: #DC143C !important;
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1) !important;
    animation: pulse-error 0.5s ease-in-out;
}

@keyframes pulse-error {
    0% { box-shadow: 0 0 0 0 rgba(220, 20, 60, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(220, 20, 60, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 20, 60, 0); }
}

.field-valid {
    border-color: #228B22 !important;
    box-shadow: 0 0 0 3px rgba(34, 139, 34, 0.1) !important;
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* 按钮样式 */
.btn-primary,
.btn-secondary {
    padding: 14px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* AI分析按钮样式 */
.btn-ai {
    padding: 14px 32px;
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-ai:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}

.btn-ai:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-ai .btn-icon {
    margin-right: 8px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-large);
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: color var(--transition-fast);
}

.close:hover {
    color: #ccc;
}

.modal form {
    padding: var(--spacing-lg);
}

.modal .form-group {
    margin-bottom: var(--spacing-md);
}

.modal .form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}

.modal .form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.modal .form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

.modal .form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: center;
    border-top: 1px solid var(--border-color);
    background-color: #f8f9fa;
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.modal-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* AI分析结果样式 */
.ai-result-container {
    margin-top: var(--spacing-xl);
}

.ai-result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.ai-result-header h3 {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin: 0;
}

.ai-cost-info {
    font-size: 14px;
    color: var(--text-secondary);
    background: #f0f8ff;
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid #e0e8f0;
}

.ai-content {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    min-height: 200px;
    line-height: 1.8;
    font-size: var(--font-size-base);
    /* 移动端可读性：长文本自动换行并保留流式换行 */
    word-break: break-word;
    white-space: pre-wrap;
}

/* 思考过程伸缩栏样式 */
.ai-reasoning-wrapper {
    margin-bottom: var(--spacing-md);
}
.reasoning-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background: #fff;
    color: var(--primary-color);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}
.reasoning-toggle:hover { background: #faf7ef; transform: translateY(-1px); }
.reasoning-panel {
    margin-top: var(--spacing-sm);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    background: #fff;
    max-height: 240px;
    overflow: auto;
    transition: max-height var(--transition-normal);
}
.reasoning-content {
    padding: var(--spacing-md);
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.ai-loading .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-sm);
}

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

/* 结果显示区域 */
.bazi-result {
    max-width: 1000px;
    margin: 0 auto;
}

.result-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* 基本信息样式 */
.basic-info {
    background: linear-gradient(135deg, #FFF8DC 0%, #F0E68C 100%);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--secondary-color);
    position: relative;
    overflow: hidden;
}

.basic-info::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
}

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

.basic-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.info-item {
    text-align: center;
    padding: var(--spacing-sm);
    transition: transform var(--transition-normal);
}

.info-item:hover {
    transform: scale(1.05);
}

.info-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.info-value {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--primary-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

/* 四柱八字样式 */
.four-pillars {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.pillars-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pillar {
    text-align: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, #FFFEF7 0%, #FFF8DC 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.pillar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.pillar:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.pillar-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.pillar-gan,
.pillar-zhi {
    font-size: 36px;
    font-weight: 700;
    margin: var(--spacing-xs) 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    transition: all var(--transition-normal);
}

.pillar:hover .pillar-gan,
.pillar:hover .pillar-zhi {
    transform: scale(1.1);
}

.pillar-gan {
    color: var(--fire-color);
}

.pillar-zhi {
    color: var(--earth-color);
}

.pillar-nayin {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
    padding: 4px 8px;
    background: rgba(139, 69, 19, 0.1);
    border-radius: 12px;
    display: inline-block;
    transition: all var(--transition-normal);
}

.pillar:hover .pillar-nayin {
    background: rgba(139, 69, 19, 0.2);
    transform: scale(1.05);
}

/* 五行分析样式 */
.five-elements {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.elements-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.element-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    color: white;
    font-weight: 600;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.element-item::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;
}

.element-item:hover::before {
    left: 100%;
}

.element-item:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.element-木 { background: var(--wood-color); }
.element-火 { background: var(--fire-color); }
.element-土 { background: var(--earth-color); }
.element-金 { background: var(--metal-color); color: var(--text-primary); }
.element-水 { background: var(--water-color); }

.element-name {
    font-size: var(--font-size-large);
    margin-bottom: var(--spacing-xs);
}

.element-count {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.element-bar {
    width: 100%;
    height: 6px;
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
    margin-top: var(--spacing-xs);
    overflow: hidden;
}

.element-progress {
    height: 100%;
    background: rgba(255,255,255,0.8);
    border-radius: 3px;
    transition: width 1s ease-out;
    position: relative;
}

.element-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: progressShine 2s ease-in-out infinite;
}

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

/* 十神分析样式 */
.ten-gods {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.ten-gods-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.ten-god-item {
    text-align: center;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #F0F8FF 0%, #E6E6FA 100%);
    border-radius: var(--border-radius);
    border: 1px solid #D8BFD8;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.ten-god-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #E6E6FA 0%, #DDA0DD 100%);
}

.ten-god-position {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.ten-god-name {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: #4B0082;
    transition: all var(--transition-normal);
}

.ten-god-item:hover .ten-god-name {
    transform: scale(1.1);
    color: #6A0DAD;
}

/* 大运信息样式 */
.dayun-info {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.dayun-summary {
    text-align: center;
    font-size: 16px;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 20px;
    padding: var(--spacing-sm);
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.1) 0%, rgba(218, 165, 32, 0.1) 100%);
    border-radius: var(--border-radius);
    border: 1px solid rgba(139, 69, 19, 0.2);
}

.dayun-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    align-items: start;
    min-width: 0; /* 允许子项在移动端收缩，避免撑开页面 */
}

.dayun-item {
    min-height: 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    background: linear-gradient(135deg, #FFFEF7 0%, #FFF8DC 100%);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    min-width: 0; /* 防止内容宽度过大时撑开父容器 */
}
.dayun-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, #FFFDF9 0%, #FFF8DC 100%);
}
.dayun-item:focus-visible {
    outline: 3px solid rgba(139, 69, 19, 0.35);
    outline-offset: 2px;
}
.dayun-brief {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-color);
    text-align: center;
    line-height: 1.4;
}
.dayun-detail {
    overflow-x: auto;
}

.dayun-item .dayun-detail {
    display: none;
}

.dayun-item.open .dayun-detail {
    display: block;
}

.liunian-table {
    min-width: 720px;
}
/* 展开样式：整行展开详细面板 */
.dayun-item.open {
    grid-column: 1 / -1;
    text-align: left;
    padding: var(--spacing-md);
    background: #FFFDF9;
    border-color: #F5C6CB;
    box-shadow: var(--shadow-md);
    border-radius: var(--border-radius-lg);
    min-height: auto;
    min-width: 0; /* 展开卡片允许内容收缩，不撑开整体 */
}

.dayun-detail {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 2px dashed #F4A7B9;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

.dayun-detail-summary {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
}

.detail-line .label {
    color: var(--text-secondary);
}
.detail-line .value {
    color: var(--primary-color);
    font-weight: 600;
}
.detail-line .sep {
    display: inline-block;
    width: 10px;
}

/* 流年表格样式 */
.liunian-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.liunian-table thead th {
    background: #FFF1F3;
    color: #8B0000;
    text-align: left;
    padding: 10px;
    border-bottom: 2px solid #F4A7B9;
}
.liunian-table tbody td {
    padding: 8px 10px;
    border-bottom: 1px dashed #F4A7B9;
}
.liunian-table tbody tr:hover {
    background: rgba(255, 192, 203, 0.2);
}

.col-year { width: 100px; }
.col-ganzhi { width: 120px; }
.col-stem, .col-branch { width: 160px; }
.col-age { width: 80px; }
.col-fortune { width: 120px; }

.sub {
    display: inline-block;
    margin-left: 6px;
    color: #6A5ACD;
    font-size: 12px;
}

/* 移动端优化：缩小最小宽度与列宽，避免撑开页面 */
@media (max-width: 480px) {
  .liunian-table { min-width: 560px; }
  .col-stem, .col-branch { width: 140px; }
  .col-ganzhi { width: 110px; }
}
@media (max-width: 360px) {
  .liunian-table { min-width: 520px; }
  .col-stem, .col-branch { width: 120px; }
  .col-ganzhi { width: 100px; }
}

/* 保留原来的流年列表，但不再手动控制display，由open状态控制 */
.liunian-list {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed #FFC0CB;
}

.dayun-item.open .liunian-list {
    display: block !important;
}

/* 命理分析样式 */
.life-analysis {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.analysis-section {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #F8F8FF 0%, #F0F8FF 100%);
    border-radius: var(--border-radius);
    border: 1px solid #E0E6FF;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.analysis-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
}

.analysis-section:hover::before {
    width: 8px;
}

.analysis-section:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.analysis-title {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    position: relative;
}

.analysis-content {
    line-height: 1.8;
}

.analysis-list {
    list-style: none;
    padding: 0;
}

.analysis-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(139, 69, 19, 0.1);
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 20px;
}

.analysis-list li:last-child {
    border-bottom: none;
}

.analysis-list li::before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    transition: all var(--transition-fast);
}

.analysis-list li:hover {
    background: rgba(139, 69, 19, 0.05);
    padding-left: 24px;
    border-radius: 4px;
}

.analysis-list li:hover::before {
    color: var(--primary-color);
    transform: scale(1.2);
}

.analysis-summary {
    margin-top: 20px;
    padding: 16px;
    background: rgba(139, 69, 19, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.analysis-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    animation: gradientShift 3s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% { background: linear-gradient(180deg, var(--primary-color), var(--secondary-color)); }
    100% { background: linear-gradient(180deg, var(--secondary-color), var(--primary-color)); }
}

.analysis-summary p {
    margin: 8px 0;
    line-height: 1.6;
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.loading-spinner::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    border: 2px solid transparent;
    border-top: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.5s linear infinite reverse;
}

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

/* 消息提示样式 */
.message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideInRight 0.3s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.message-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    margin-left: 12px;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.message-close:hover {
    background-color: rgba(255,255,255,0.2);
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.05) 0%, rgba(218, 165, 32, 0.05) 100%);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .pillars-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --font-size-large: 16px;
        --font-size-xl: 20px;
        --font-size-xxl: 24px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    /* 头部在移动端纵向排版，避免横向拥挤 */
    .header { padding: var(--spacing-md) 0; }
    .header-content { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: var(--spacing-sm);
    }
    .header-actions { 
        flex-wrap: wrap; 
        width: 100%; 
        justify-content: flex-start; 
        gap: var(--spacing-sm);
    }
    /* 登录/注册按钮采用双列栅格，统一宽度与间距 */
    .auth-buttons {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
        width: 100%;
    }
    .auth-buttons .btn-primary,
    .auth-buttons .btn-secondary { width: 100%; }

    /* 登录后用户信息采用两列栅格，退出按钮独占一行 */
    .user-info {
        width: 100%;
        display: grid;
        grid-template-columns: auto auto;
        gap: var(--spacing-sm);
        align-items: center;
    }
    #logoutBtn { grid-column: 1 / -1; width: 100%; }
    .credits { padding: 2px 10px; font-size: 13px; }
    .title-main { line-height: 1.2; }
    .bagua-symbol { font-size: 36px; opacity: 0.75; }
    .section-title { 
        font-size: var(--font-size-large); 
        margin-bottom: var(--spacing-md);
    }
    /* AI分析区头部在小屏幕下堆叠显示 */
    .ai-result-header { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: var(--spacing-sm);
    }
    .ai-cost-info { margin-top: var(--spacing-xs); }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .pillars-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .ten-gods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .truesolar-row {
         grid-template-columns: 1fr;
     }
     #trueSolarToggleGroup { grid-column: 1; }
     #regionCNGroup { grid-column: 1; }
     #trueSolarFields { grid-column: 1; }
     #timezoneGroup { grid-column: 1; }
    
    .ten-gods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-ai {
        width: 100%;
        padding: 12px 24px;
    }
    
    .pillar-gan,
    .pillar-zhi {
        font-size: 24px;
    }
    
    .element-name {
        font-size: 14px;
    }
    
    .element-count {
        font-size: 18px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    .overview-table-wrap { 
        overflow-x: auto; 
        -webkit-overflow-scrolling: touch; 
    }
    .bazi-overview-table th,
    .bazi-overview-table td { 
        word-break: break-word; 
        white-space: normal; 
        padding: 8px; 
    }
    .liunian-table { 
        min-width: 560px; 
        font-size: 12px; 
    }
    .col-year { width: 80px; }
    .col-ganzhi { width: 100px; }
    .col-stem, .col-branch { width: 120px; }
    .col-age { width: 64px; }
    .col-fortune { width: 100px; }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 12px;
        --spacing-md: 16px;
        --spacing-lg: 20px;
        --spacing-xl: 24px;
    }
    
    /* 进一步收紧小屏头部间距并保持可读性 */
    .header { padding: var(--spacing-md) 0; }
    .header-content { gap: var(--spacing-sm); }
    .ai-result-header { 
        flex-direction: column; 
        align-items: flex-start; 
        gap: var(--spacing-sm);
    }
    .section-title { 
        font-size: var(--font-size-large); 
        margin-bottom: var(--spacing-md);
    }
    .ai-cost-info { margin-top: var(--spacing-xs); }

    .pillars-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .ten-gods-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary,
    .btn-ai {
        width: 100%;
        padding: 12px 24px;
    }
    
    .pillar-gan,
    .pillar-zhi {
        font-size: 24px;
    }
    
    .element-name {
        font-size: 14px;
    }
    
    .element-count {
        font-size: 18px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
    .liunian-table { 
        min-width: 520px; 
    }
}

/* 动画效果 */
.card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pillar {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

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

/* 焦点可见性 */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .header::before,
    .bagua-symbol,
    .btn-primary,
    .btn-secondary,
    .loading {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000;
        --text-secondary: #333;
        --border-color: #666;
        --shadow-color: rgba(0, 0, 0, 0.3);
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 总览表格样式修正 */
.bazi-overview-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
}
.bazi-overview-table th,
.bazi-overview-table td {
    padding: 8px 12px;
    vertical-align: top;
}
.bazi-overview-table .row-label {
    width: 80px;
    white-space: nowrap;
    color: var(--text-secondary);
}
.overview-table-wrap {
    margin-top: 16px;
}
.cell-hidden .hs-line {
    display: flex;
    gap: 8px;
    line-height: 1.6;
}
.cell-hidden .hs-stem {
    font-weight: 600;
}
.cell-hidden .hs-type {
    color: var(--text-secondary);
}
.cell-hidden .hs-ten {
    color: var(--text-secondary);
}
/* 关系基准切换控件 */
.dayun-detail .relation-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.dayun-detail .relation-controls .label {
  color: #555;
  font-size: 14px;
}
.dayun-detail .relation-pivot {
  appearance: none;
  padding: 6px 10px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: #fff;
  color: #333;
  font-size: 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.dayun-detail .relation-pivot:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(30,144,255,0.15);
}

/* 关系标签 */
.relation-tags .tag {
  display: inline-block;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  margin: 2px 4px 2px 0;
  border: 1px solid transparent;
  white-space: nowrap;
}
.relation-tags .tag-good {
  background: rgba(34, 139, 34, 0.1);
  color: #228B22;
  border-color: rgba(34, 139, 34, 0.3);
}
.relation-tags .tag-bad {
  background: rgba(220, 20, 60, 0.1);
  color: #DC143C;
  border-color: rgba(220, 20, 60, 0.3);
}

/* 藏干与副星 */
.hidden-stems {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
}
.hidden-stems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}
.hs-pillar {
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #F7FBFF 0%, #EFF6FF 100%);
  border: 1px solid #D6E4FF;
  border-radius: var(--border-radius);
}
.hs-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.hs-row .label {
  font-size: 12px;
  color: #666;
}

/* 连星（长生十二神） */
.terrain {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
}
.terrain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}
.terrain-item {
  text-align: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #FFF5F7 0%, #FFE4E6 100%);
  border-radius: var(--border-radius);
  border: 1px solid #F5C6CB;
}
.terrain-position {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}
.terrain-name {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: #8B0000;
}

/* 纳音 */
.nayin {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
}
.nayin-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}
.nayin-item {
  text-align: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, #F0FFF4 0%, #E6FFFA 100%);
  border-radius: var(--border-radius);
  border: 1px solid #C6F6D5;
}
.nayin-position {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}
.nayin-name {
  font-size: var(--font-size-large);
  font-weight: 600;
  color: #2F855A;
}

/* 神煞 */
.gods {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  border: 2px solid var(--border-color);
}
.gods .relation-tags {
  display: flex;
  flex-wrap: wrap;
}

/* 关系列宽度建议 */
.liunian-table td.col-relation,
.liunian-table th:nth-child(7) {
  width: 160px;
}
.liunian-table thead th {
    background: #FFF1F3;
    color: #8B0000;
    text-align: left;
    padding: 10px;
    border-bottom: 2px solid #F4A7B9;
}
.liunian-table tbody td {
    padding: 8px 10px;
    border-bottom: 1px dashed #F4A7B9;
}
.liunian-table tbody tr:hover {
    background: rgba(255, 192, 203, 0.2);
}

.col-year { width: 100px; }
.col-ganzhi { width: 120px; }
.col-stem, .col-branch { width: 160px; }
.col-age { width: 80px; }
.col-fortune { width: 120px; }

.sub {
    display: inline-block;
    margin-left: 6px;
    color: #6A5ACD;
    font-size: 12px;
}

/* 保留原来的流年列表，但不再手动控制display，由open状态控制 */
.liunian-list {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed #FFC0CB;
}

.dayun-item.open .liunian-list {
    display: block !important;
}

/* 命理分析样式 */
.life-analysis {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--border-color);
}

.analysis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.analysis-section {
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #F8F8FF 0%, #F0F8FF 100%);
    border-radius: var(--border-radius);
    border: 1px solid #E0E6FF;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.analysis-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-normal);
}

.analysis-section:hover::before {
    width: 8px;
}

.analysis-section:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.analysis-title {
    font-size: var(--font-size-large);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    position: relative;
}

.analysis-content {
    line-height: 1.8;
}

.analysis-list {
    list-style: none;
    padding: 0;
}

.analysis-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(139, 69, 19, 0.1);
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 20px;
}

.analysis-list li:last-child {
    border-bottom: none;
}

.analysis-list li::before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    transition: all var(--transition-fast);
}

.analysis-list li:hover {
    background: rgba(139, 69, 19, 0.05);
    padding-left: 24px;
    border-radius: 4px;
}

.analysis-list li:hover::before {
    color: var(--primary-color);
    transform: scale(1.2);
}

.analysis-summary {
    margin-top: 20px;
    padding: 16px;
    background: rgba(139, 69, 19, 0.05);
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.analysis-summary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    animation: gradientShift 3s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% { background: linear-gradient(180deg, var(--primary-color), var(--secondary-color)); }
    100% { background: linear-gradient(180deg, var(--secondary-color), var(--primary-color)); }
}

.analysis-summary p {
    margin: 8px 0;
    line-height: 1.6;
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
    position: relative;
}

.loading-spinner::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    border: 2px solid transparent;
    border-top: 2px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 0.5s linear infinite reverse;
}

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

/* 消息提示样式 */
.message {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    animation: slideInRight 0.3s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.message-close {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    margin-left: 12px;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--transition-fast);
}

.message-close:hover {
    background-color: rgba(255,255,255,0.2);
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.05) 0%, rgba(218, 165, 32, 0.05) 100%);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-sm);
    }
    
    .pillars-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 14px;
        --font-size-large: 16px;
        --font-size-xl: 20px;
        --font-size-xxl: 24px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .pillars-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .ten-gods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .analysis-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .truesolar-row {
         grid-template-columns: 1fr;
     }
     #trueSolarToggleGroup { grid-column: 1; }
     #regionCNGroup { grid-column: 1; }
     #trueSolarFields { grid-column: 1; }
     #timezoneGroup { grid-column: 1; }
    
    .ten-gods-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 12px 24px;
    }
    
    .pillar-gan,
    .pillar-zhi {
        font-size: 24px;
    }
    
    .element-name {
        font-size: 14px;
    }
    
    .element-count {
        font-size: 18px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 12px;
        --spacing-md: 16px;
        --spacing-lg: 20px;
        --spacing-xl: 24px;
    }
    
    .pillars-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .elements-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .ten-gods-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .dayun-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .form-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        padding: 12px 24px;
    }
    
    .pillar-gan,
    .pillar-zhi {
        font-size: 24px;
    }
    
    .element-name {
        font-size: 14px;
    }
    
    .element-count {
        font-size: 18px;
    }
    
    .card {
        padding: var(--spacing-md);
    }
}

/* 动画效果 */
.card {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pillar {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* 选择文本样式 */
::selection {
    background: var(--primary-color);
    color: white;
}

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

/* 焦点可见性 */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .header::before,
    .bagua-symbol,
    .btn-primary,
    .btn-secondary,
    .loading {
        display: none !important;
    }
    
    .card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    body {
        background: white;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000;
        --text-secondary: #333;
        --border-color: #666;
        --shadow-color: rgba(0, 0, 0, 0.3);
    }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
    /* 极小屏下按钮与用户信息改为单列堆叠 */
    .auth-buttons { grid-template-columns: 1fr; }
    .user-info { grid-template-columns: 1fr; }
    .bagua-symbol { display: none; }