/* ============================================
   财智规划 - 智能财务规划工具
   设计风格：深色主题 + 渐变点缀 + 玻璃态
   ============================================ */

/* CSS变量 */
:root {
    /* 主色调 - 金融专业感 */
    --primary-hue: 165;
    --primary: hsl(var(--primary-hue), 80%, 45%);
    --primary-light: hsl(var(--primary-hue), 80%, 55%);
    --primary-dark: hsl(var(--primary-hue), 80%, 35%);
    --primary-glow: hsla(var(--primary-hue), 80%, 50%, 0.3);
    
    /* 强调色 */
    --accent: hsl(45, 100%, 55%);
    --accent-light: hsl(45, 100%, 65%);
    
    /* 语义色 */
    --success: hsl(145, 65%, 45%);
    --warning: hsl(40, 95%, 55%);
    --danger: hsl(0, 75%, 55%);
    --info: hsl(210, 80%, 55%);
    
    /* 背景色 */
    --bg-deep: hsl(220, 25%, 8%);
    --bg-dark: hsl(220, 22%, 11%);
    --bg-card: hsl(220, 20%, 14%);
    --bg-elevated: hsl(220, 18%, 18%);
    --bg-hover: hsl(220, 18%, 22%);
    
    /* 文字色 */
    --text-primary: hsl(0, 0%, 95%);
    --text-secondary: hsl(220, 15%, 70%);
    --text-tertiary: hsl(220, 12%, 50%);
    --text-muted: hsl(220, 10%, 40%);
    
    /* 边框 */
    --border-subtle: hsla(220, 20%, 30%, 0.5);
    --border-default: hsla(220, 20%, 35%, 0.6);
    --border-strong: hsla(220, 20%, 45%, 0.7);
    
    /* 阴影 */
    --shadow-sm: 0 2px 8px hsla(0, 0%, 0%, 0.2);
    --shadow-md: 0 4px 16px hsla(0, 0%, 0%, 0.25);
    --shadow-lg: 0 8px 32px hsla(0, 0%, 0%, 0.3);
    --shadow-glow: 0 0 40px var(--primary-glow);
    
    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    /* 字体 */
    --font-sans: 'Noto Sans SC', 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'DM Sans', 'Noto Sans SC', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景装饰 */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, hsl(280, 60%, 40%) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation-delay: -7s;
}

.bg-orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.2;
    animation-delay: -14s;
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(var(--border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 30%, transparent 80%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(-30px, -20px) scale(1.02); }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 2rem;
    background: hsla(220, 25%, 8%, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--primary);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

.nav-link.active {
    color: var(--primary);
    background: hsla(var(--primary-hue), 80%, 45%, 0.1);
}

/* 主内容区 */
.main-content {
    padding-top: 80px;
}

/* Hero区域 */
.hero-section {
    padding: 4rem 2rem;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: hsla(var(--primary-hue), 80%, 45%, 0.1);
    border: 1px solid hsla(var(--primary-hue), 80%, 45%, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-default);
}

/* 计算器区域 */
.calculator-section {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.calculator-container {
    display: grid;
    grid-template-columns: minmax(400px, 1fr) minmax(500px, 1.2fr);
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .calculator-container {
        grid-template-columns: 1fr;
    }
}

/* 输入面板 */
.input-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    position: sticky;
    top: 100px;
}

.panel-header {
    text-align: center;
    margin-bottom: 2rem;
}

.panel-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-md);
    color: white;
}

.panel-icon svg {
    width: 24px;
    height: 24px;
}

.panel-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.panel-desc {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* 表单样式 */
.form-section {
    margin-bottom: 2rem;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-prefix {
    position: absolute;
    left: 1rem;
    color: var(--text-tertiary);
    font-weight: 500;
    pointer-events: none;
}

.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 2.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group select {
    padding-left: 1rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 18px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.input-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* 人生阶段选择 */
.life-stage-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.life-stage-options input[type="radio"] {
    display: none;
}

.stage-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    padding: 0.75rem 0.5rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stage-option:hover {
    border-color: var(--border-strong);
    background: var(--bg-elevated);
}

.life-stage-options input[type="radio"]:checked + .stage-option {
    border-color: var(--primary);
    background: hsla(var(--primary-hue), 80%, 45%, 0.1);
    color: var(--primary-light);
}

.stage-icon {
    font-size: 1.25rem;
}

/* 风险偏好滑块 */
.risk-slider-container {
    padding: 0.5rem 0;
}

.risk-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-dark);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.risk-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--primary-glow);
    transition: transform var(--transition-fast);
}

.risk-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.risk-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 提交按钮 */
.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--primary-glow);
}

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

.btn-icon svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-fast);
}

.submit-btn:hover .btn-icon svg {
    transform: translateX(4px);
}

/* 结果面板 */
.result-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 2rem;
    min-height: 600px;
}

.result-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 500px;
    text-align: center;
    color: var(--text-tertiary);
}

.placeholder-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    animation: float 6s ease-in-out infinite;
}

.result-placeholder h3 {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.result-placeholder p {
    max-width: 280px;
    font-size: 0.9rem;
}

/* 结果内容 */
.result-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 健康度评分卡片 */
.health-score-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, hsla(var(--primary-hue), 40%, 20%, 0.5) 0%, var(--bg-elevated) 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.score-ring {
    position: relative;
    width: 120px;
    height: 120px;
    flex-shrink: 0;
}

.score-ring svg {
    transform: rotate(-90deg);
}

.score-ring-bg {
    fill: none;
    stroke: var(--bg-dark);
    stroke-width: 8;
}

.score-ring-progress {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1.5s ease-out, stroke 0.5s ease;
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.score-label {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.score-info {
    flex: 1;
}

.score-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.score-status {
    font-size: 0.95rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.score-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.breakdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.breakdown-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    width: 70px;
}

.breakdown-bar {
    flex: 1;
    height: 6px;
    background: var(--bg-dark);
    border-radius: 3px;
    overflow: hidden;
}

.breakdown-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 3px;
    transition: width 1s ease-out;
    width: 0%;
}

.breakdown-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    width: 30px;
    text-align: right;
}

/* 卡片通用样式 */
.card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 1.1rem;
}

/* 风险评估卡片 */
.risk-assessment-card {
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.risk-level {
    margin-bottom: 1.25rem;
}

.risk-badge {
    display: inline-flex;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
}

.risk-badge.high {
    background: hsla(0, 75%, 55%, 0.15);
    color: var(--danger);
    border: 1px solid hsla(0, 75%, 55%, 0.3);
}

.risk-badge.medium-high {
    background: hsla(25, 90%, 50%, 0.15);
    color: hsl(25, 90%, 55%);
    border: 1px solid hsla(25, 90%, 50%, 0.3);
}

.risk-badge.medium {
    background: hsla(40, 95%, 55%, 0.15);
    color: var(--warning);
    border: 1px solid hsla(40, 95%, 55%, 0.3);
}

.risk-badge.low {
    background: hsla(145, 65%, 45%, 0.15);
    color: var(--success);
    border: 1px solid hsla(145, 65%, 45%, 0.3);
}

.risk-metrics {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.metric-item {
    padding: 0.75rem;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
}

.metric-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.metric-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.metric-bar {
    height: 6px;
    background: var(--bg-card);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.35rem;
}

.metric-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 1s ease-out, background-color 0.5s ease;
    width: 0%;
}

.metric-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 资金分配卡片 */
.allocation-card {
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.allocation-chart {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.donut-chart {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

.donut-chart svg {
    transform: rotate(-90deg);
}

.donut-hole {
    fill: var(--bg-elevated);
}

.donut-segment {
    fill: none;
    stroke-width: 35;
    stroke-linecap: butt;
    transition: stroke-dashoffset 1s ease-out;
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-total {
    display: block;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.donut-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.allocation-legend {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-dark);
    border-radius: var(--radius-sm);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

.legend-name {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.legend-percent {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    width: 45px;
    text-align: right;
}

.allocation-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.allocation-item {
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
}

.allocation-item-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.allocation-item-icon {
    font-size: 1.1rem;
}

.allocation-item-name {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.allocation-item-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.allocation-item-percent {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* 投资建议卡片 */
.investment-card {
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.investment-type {
    margin-bottom: 1rem;
}

.type-badge {
    display: inline-flex;
    padding: 0.4rem 0.85rem;
    background: hsla(var(--primary-hue), 80%, 45%, 0.15);
    border: 1px solid hsla(var(--primary-hue), 80%, 45%, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
}

.investment-allocation {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.invest-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.invest-name {
    width: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.invest-bar-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.invest-bar {
    flex: 1;
    height: 24px;
    background: var(--bg-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.invest-fill {
    height: 100%;
    border-radius: var(--radius-sm);
    transition: width 1s ease-out;
}

.invest-percent {
    width: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

/* 行动建议卡片 */
.action-card {
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
}

.action-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-dark);
    border-radius: var(--radius-md);
    border-left: 3px solid;
}

.action-item.priority-1 {
    border-color: var(--danger);
}

.action-item.priority-2 {
    border-color: var(--warning);
}

.action-item.priority-3 {
    border-color: var(--success);
}

.action-priority {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 700;
    flex-shrink: 0;
}

.action-item.priority-1 .action-priority {
    background: hsla(0, 75%, 55%, 0.2);
    color: var(--danger);
}

.action-item.priority-2 .action-priority {
    background: hsla(40, 95%, 55%, 0.2);
    color: var(--warning);
}

.action-item.priority-3 .action-priority {
    background: hsla(145, 65%, 45%, 0.2);
    color: var(--success);
}

.action-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.action-content p {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

/* 结果操作按钮 */
.result-actions {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn svg {
    width: 18px;
    height: 18px;
}

.action-btn.secondary {
    background: var(--bg-dark);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
}

.action-btn.secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border: none;
    color: white;
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--primary-glow);
}

/* 使用指南区域 */
.guide-section {
    padding: 6rem 2rem;
    background: linear-gradient(180deg, transparent 0%, hsla(220, 25%, 6%, 0.5) 100%);
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: hsla(var(--primary-hue), 80%, 45%, 0.1);
    border: 1px solid hsla(var(--primary-hue), 80%, 45%, 0.2);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.section-desc {
    color: var(--text-tertiary);
    font-size: 1.1rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

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

.step-card {
    position: relative;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 1rem auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    color: var(--primary);
}

.step-icon svg {
    width: 32px;
    height: 32px;
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* 功能特色区域 */
.features-section {
    padding: 6rem 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    color: white;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-icon.gradient-1 { background: linear-gradient(135deg, hsl(165, 80%, 45%) 0%, hsl(180, 70%, 35%) 100%); }
.feature-icon.gradient-2 { background: linear-gradient(135deg, hsl(210, 80%, 55%) 0%, hsl(230, 70%, 45%) 100%); }
.feature-icon.gradient-3 { background: linear-gradient(135deg, hsl(280, 70%, 55%) 0%, hsl(300, 60%, 45%) 100%); }
.feature-icon.gradient-4 { background: linear-gradient(135deg, hsl(45, 100%, 55%) 0%, hsl(30, 90%, 50%) 100%); }
.feature-icon.gradient-5 { background: linear-gradient(135deg, hsl(340, 75%, 55%) 0%, hsl(320, 70%, 45%) 100%); }
.feature-icon.gradient-6 { background: linear-gradient(135deg, hsl(145, 65%, 45%) 0%, hsl(160, 60%, 40%) 100%); }

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* 页脚 */
.footer {
    padding: 4rem 2rem 2rem;
    background: var(--bg-dark);
    border-top: 1px solid var(--border-subtle);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .footer-main {
        flex-direction: column;
        gap: 2rem;
    }
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.footer-links {
    display: flex;
    gap: 4rem;
}

@media (max-width: 600px) {
    .footer-links {
        flex-wrap: wrap;
        gap: 2rem;
    }
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.footer-col a {
    display: block;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 0.35rem 0;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Toast通知 */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease-out;
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-primary);
}

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

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

/* 响应式优化 */
@media (max-width: 480px) {
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .calculator-section {
        padding: 1rem;
    }
    
    .input-panel,
    .result-panel {
        padding: 1.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .life-stage-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .health-score-card {
        flex-direction: column;
        text-align: center;
    }
    
    .allocation-chart {
        flex-direction: column;
    }
    
    .result-actions {
        flex-direction: column;
    }
}

/* 加载动画 */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    background: hsla(220, 25%, 8%, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

/* 数字动画 */
.animate-number {
    transition: all 0.3s ease-out;
}

/* 淡入动画 */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

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

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-elevated);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-default);
}

/* 选择框样式 */
::selection {
    background: var(--primary);
    color: white;
}