/* ===================================
   星图AI产品官网 - 页面区块样式
   版本：v2.0
   职责：Hero、痛点、思维升级、解决方案、功能、价值、下载、页脚等区块
   =================================== */

/* ===================================
   1. Hero区块样式（全宽设计）
   =================================== */
.hero {
    padding: 0;
    background: linear-gradient(135deg, var(--color-bg-page) 0%, var(--color-bg-card) 100%);
    display: flex;
    align-items: center;
    min-height: 700px;
    position: relative;
}

/* Hero区域添加点阵背景 */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(107, 114, 128, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.hero .container {
    max-width: none;
    padding: 120px var(--spacing-container);
}

.hero__content {
    flex: none;
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    text-align: center;
    padding-bottom: var(--spacing-xl);
}

.hero__title {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.hero__subtitle {
    font-size: 40px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.hero__description {
    font-size: 20px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.hero__visual {
    flex: none;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-lg);
}

.hero__illustration {
    width: 100%;
    max-width: 1200px;
    height: auto;
}

/* 大屏幕优化（1440px+） */
@media (min-width: 1440px) {
    .hero {
        padding-top: 120px;
        padding-bottom: 100px;
    }

    .hero__title {
        font-size: 56px;
    }

    .hero__subtitle {
        font-size: 44px;
    }

    .hero__description {
        font-size: 22px;
    }

    .hero__illustration {
        max-width: 1400px;
    }
}

/* ===================================
   2. 决策陷阱区块样式
   =================================== */
.decision-traps {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-page);
}

.traps-illustration {
    text-align: center;
    margin-bottom: 32px;
}

.traps-illustration__img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.traps {
    /* 继承 container 默认宽度 */
}

/* 两栏并排布局 */
.traps--two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

/* 陷阱卡片 */
.trap-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-card-inner);
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.trap-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-danger);
    line-height: 1.3;
}

.trap-card__subtitle {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    line-height: 1.4;
}

.trap-card__case {
    background-color: var(--color-bg-warning-light);
    border-left: 4px solid var(--color-warning);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    line-height: 1.6;
    flex: 1;
}

.trap-card__case p {
    margin-bottom: var(--spacing-sm);
}

.trap-card__case p:last-child {
    margin-bottom: 0;
}

.trap-card__highlight {
    background-color: rgba(239, 68, 68, 0.1);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-danger);
    font-weight: 500;
    color: var(--color-danger-dark);
    margin: var(--spacing-sm) 0;
}

.trap-card__loss {
    display: inline-block;
    background-color: rgba(239, 68, 68, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-danger);
    margin-top: var(--spacing-sm);
}

.trap-card__issues {
    background-color: var(--color-bg-page);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
}

.trap-card__issues p {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.trap-card__issues ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.trap-card__issues li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .traps--two-columns {
        grid-template-columns: 1fr;
    }

    .traps-illustration__img {
        max-width: 100%;
    }

    .trap-card {
        margin-bottom: var(--spacing-md);
    }
}

/* ===================================
   3. 用户痛点区块样式
   =================================== */
.pain-points {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-white);
}

.pain-card {
    background-color: var(--color-bg-card);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-fast);
}

.pain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.pain-card__icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.pain-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.pain-card__desc {
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* ===================================
   3. 从"我觉得"到"数据说话"区块样式
   =================================== */
.compare-traditional-data {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-page);
}

/* ===================================
   4. 量化改变业务模式区块样式
   =================================== */
.business-transform {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-white);
}

/* ===================================
   5. 量化决策的4大意义区块样式
   =================================== */
.four-meanings {
    padding: var(--spacing-xl) 0 var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-page);
}

/* ===================================
   6. 思维升级区块样式
   =================================== */
.mindset-upgrade {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-white);
}

.meaning-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    text-align: center;
}

.meaning-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-neutral);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.meaning-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.meaning-card__icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.meaning-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.meaning-card__desc {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.meaning-card__metric {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 16px;
    background: var(--color-bg-card);
    color: var(--color-text-primary);
}

/* 传统vs量化对比卡片 */
.compare-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius:var(--radius-lg);
}

.compare-card--traditional {
    background-color: var(--color-bg-danger-light);
}

.compare-card--quantitative {
    background-color: var(--color-bg-success-light);
}

.compare-card__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.compare-card__list {
    list-style: none;
}

.compare-card__list li {
    padding: var(--spacing-sm) 0;
    padding-left: 24px;
    position: relative;
    font-size: 15px;
}

.compare-card--traditional .compare-card__list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--color-danger);
    font-weight: bold;
}

.compare-card--quantitative .compare-card__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

/* ===================================
   五大量化能力（竖直卡片布局）
   =================================== */
.five-capabilities {
    margin-top: var(--spacing-xl);
}

/* 竖直能力卡片 */
.capability-vertical {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
    border-left: 4px solid transparent;
}

.capability-vertical:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-card-hover);
    border-left-color: var(--color-tertiary);
}

/* 能力卡片头部 */
.capability-vertical__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.capability-vertical__number {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-tertiary);
    font-family: 'Space Grotesk', monospace;
    line-height: 1;
    min-width: 80px;
    opacity: 0.3;
}

.capability-vertical__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.3;
    flex: 1;
}

/* 能力卡片主体 */
.capability-vertical__body {
    padding-left: 80px;
}

.capability-vertical__desc {
    color: var(--color-text-secondary);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* 示例代码块 */
.capability-vertical__example {
    background-color: var(--color-bg-page);
    border-left: 3px solid var(--color-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--color-text-primary);
    line-height: 1.5;
}

.capability-vertical__example code {
    background: none;
    padding: 0;
    color: inherit;
}

/* 可折叠真实案例 */
.capability-vertical__case {
    background-color: var(--color-bg-success-light);
    border-left: 3px solid var(--color-success);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.capability-vertical__case summary {
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 600;
    color: var(--color-success-dark);
    user-select: none;
    transition: background-color 0.2s ease;
}

.capability-vertical__case summary:hover {
    background-color: rgba(34, 197, 94, 0.1);
}

.capability-vertical__case[open] summary {
    border-bottom: 1px solid rgba(34, 197, 94, 0.2);
}

.capability-vertical__case p {
    padding: var(--spacing-md);
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-primary);
}

/* 价值总结 */
.capability-vertical__value {
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-primary) 100%);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    display: inline-block;
}

/* ===================================
   智能洞察（能力5）特殊样式
   =================================== */
.capability-vertical--highlight {
    border: 2px solid var(--color-tertiary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(99, 102, 241, 0.08) 100%);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
    position: relative;
}

.capability-vertical--highlight:hover {
    transform: translateX(4px) scale(1.01);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.2);
}

.capability-vertical--highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-tertiary) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* 核心能力徽章 */
.capability-vertical__badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-primary) 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    display: flex;
    align-items: center;
    gap: 4px;
}

.capability-vertical--highlight .capability-vertical__number {
    opacity: 0.5;
    color: var(--color-primary);
}

.capability-vertical--highlight .capability-vertical__title {
    color: var(--color-primary);
}

/* 智能洞察的四大维度列表 */
.insight-dimensions {
    margin-top: var(--spacing-md);
    display: grid;
    gap: var(--spacing-md);
}

.insight-dimension {
    background-color: var(--color-bg-white);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition-fast);
}

.insight-dimension:hover {
    border-color: var(--color-tertiary);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

.insight-dimension__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.insight-dimension__icon {
    font-size: 20px;
}

.insight-dimension__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

.insight-dimension__desc {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.insight-dimension__example {
    background-color: var(--color-bg-page);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: 'Courier New', monospace;
    color: var(--color-text-secondary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .capability-vertical {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .capability-vertical__header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }

    .capability-vertical__number {
        font-size: 32px;
        min-width: 50px;
    }

    .capability-vertical__title {
        font-size: 18px;
        flex-basis: 100%;
    }

    .capability-vertical__body {
        padding-left: 0;
    }

    .capability-vertical__desc {
        font-size: 14px;
    }

    .capability-vertical__example {
        font-size: 13px;
    }

    .capability-vertical--highlight {
        margin-top: var(--spacing-lg);
    }

    .insight-dimensions {
        grid-template-columns: 1fr;
    }
}

/* 保持原有的四列布局样式（用于其他区块） */
.capability-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.capability-card__icon {
    font-size: 40px;
    margin-bottom: var(--spacing-md);
}

.capability-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.capability-card__desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.capability-card__example {
    background-color: var(--color-bg-card);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
}

.capability-card__value {
    color: var(--color-success);
    font-weight: 600;
    font-size: 14px;
}

/* 传统vs量化对比卡片 */
.compare-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
}

.compare-card--traditional {
    background-color: var(--color-bg-danger-light);
}

.compare-card--quantitative {
    background-color: var(--color-bg-success-light);
}

.compare-card__title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.compare-card__list {
    list-style: none;
}

.compare-card__list li {
    padding: var(--spacing-sm) 0;
    padding-left: 24px;
    position: relative;
    font-size: 15px;
}

.compare-card--traditional .compare-card__list li::before {
    content: "✗";
    position: absolute;
    left: 0;
    color: var(--color-danger);
    font-weight: bold;
}

.compare-card--quantitative .compare-card__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

/* ===================================
   4. 解决方案区块样式
   =================================== */
.solution {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-white);
}

/* ===================================
   5. 核心功能区块样式
   =================================== */
.features {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-card);
}

.feature-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
}

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

.feature-card__icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.feature-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-card__desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    flex: 1;
}

.feature-card__value {
    color: var(--color-success);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.feature-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.feature-card__tag {
    background-color: var(--color-tertiary);
    color: var(--color-bg-white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
}

/* 功能特性列表 */
.feature-card__features {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0 0 0;
}

.feature-card__features li {
    padding: var(--spacing-xs) 0;
    padding-left: 24px;
    position: relative;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.feature-card__features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
    font-size: 14px;
}

/* 即将上线的功能 */
.feature-card__features li.coming-soon {
    color: var(--color-text-disabled);
    opacity: 0.8;
}

.feature-card__features li.coming-soon::before {
    content: "🔜";
    font-size: 12px;
}

.feature-card__features li.coming-soon span {
    opacity: 0.7;
}

/* 量化决策的价值维度卡片 */
.value-dimension-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
    border-top: 4px solid var(--color-tertiary);
}

.value-dimension-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.value-dimension-card__icon {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.value-dimension-card__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.value-dimension-card__desc {
    color: var(--color-text-secondary);
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.value-dimension-card__metric {
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-primary) 100%);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    display: inline-block;
}

/* ===================================
   6. 商业价值区块样式
   =================================== */
.value {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-page);
}

.value-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
}

.value-card:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-card-hover);
}

.value-card__value {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-success);
    margin-bottom: var(--spacing-sm);
    font-family: 'Space Grotesk', monospace;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
}

.value-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.value-card__desc {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.strategic-card {
    background-color: var(--color-bg-white);
    padding: var(--spacing-card-inner);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition-fast);
}

.strategic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.strategic-card__icon {
    font-size: 40px;
    margin-bottom: var(--spacing-md);
}

.strategic-card__title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.strategic-card__desc {
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* ===================================
   7. 下载区块样式
   =================================== */
.download {
    padding: var(--spacing-section-desktop) 0;
    background-color: var(--color-bg-white);
}

.download__buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.download-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-card);
    border-radius: var(--radius-lg);
    min-width: 280px;
    text-decoration: none;
    transition: var(--transition-fast);
    border: 2px solid var(--color-tertiary);
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    background-color: var(--color-bg-white);
    border-color: var(--color-primary);
}

.download-card__icon {
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.download-card__content {
    flex: 1;
}

.download-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text-primary);
}

.download-card__version {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.download-card__action {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-primary);
}

.download-card__text {
    font-weight: 600;
}

.download__info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: var(--spacing-xl) auto 0;
}

.download__instructions,
.download__requirements {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: left;
}

.download__info-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.download__info-list {
    color: var(--color-text-secondary);
    list-style-position: inside;
    line-height: 1.8;
}

.download__info-list li {
    padding: var(--spacing-xs) 0;
}

.download__info-list .highlight {
    color: var(--color-danger);
    font-weight: 600;
}

.download__info-list .note {
    color: var(--color-neutral);
    font-style: italic;
}

/* ===================================
   8. 页脚样式
   =================================== */
.footer {
    background-color: var(--color-text-primary);
    color: var(--color-bg-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__content {
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
    margin-bottom: var(--spacing-xs);
}

.footer__beian {
    font-size: 14px;
}

.footer__beian a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.footer__beian a:hover {
    color: rgba(255, 255, 255, 1);
    text-decoration: underline;
}