/* ============================================================
 * download.css — 下载页专属样式
 * 抽取自 download.html 内联 style 属性，仅服务于 download.html
 * 类名规范：.download-<section>-<element>
 * ============================================================ */

/* === 三层架构 section === */
.download-arch-section {
  padding-bottom: 32px;
}

.download-arch-block {
  text-align: center;
}

.download-arch-subtitle {
  margin-bottom: 24px;
}

.download-arch-diagram {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, var(--color-bg-alt) 100%);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--color-border);
}

.download-arch-svg {
  width: 100%;
  height: auto;
  max-width: 860px;
}

/* === 安装步骤 section === */
.download-steps-section {
  padding-top: 32px;
}

/* 基础版 / 专业版 分区标题与分隔 */
.download-edition {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.download-edition:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.download-edition-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.download-edition-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.download-edition-badge.basic {
  background: rgba(107, 123, 140, 0.14);
  color: var(--color-primary);
}

.download-edition-badge.pro {
  background: rgba(163, 181, 160, 0.18);
  color: #5A7A57;
}

.download-edition-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.download-edition-subtitle {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* 数据主权 / 微信激活 提示框 */
.download-promise-callout {
  background: rgba(163, 181, 160, 0.1);
  border-left: 3px solid var(--color-accent-green);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin: 16px 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.download-promise-callout strong {
  color: #5A7A57;
}

/* 单个步骤容器 */
.download-step {
  margin: 24px 0;
}

.download-step-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
}

.download-step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.85rem;
}

.download-step-number.pro {
  background: var(--color-accent-green);
}

.download-step-body {
  flex: 1;
}

.download-step-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
  font-weight: 500;
}

.download-step-title-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.download-step-title-icon.pro {
  color: #7A9A77;
}

.download-step-desc {
  margin: 4px 0 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

/* 下载按钮容器 */
.download-cta-row {
  margin-top: 32px;
}

.download-cta-row.flex-wrap {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* === 专业版一键安装优势高亮 === */
.download-pro-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(163, 181, 160, 0.18) 0%, rgba(201, 168, 160, 0.12) 100%);
  border: 1px solid rgba(163, 181, 160, 0.4);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin: 20px 0;
}

.download-pro-highlight-icon {
  width: 22px;
  height: 22px;
  color: #5A7A57;
  flex-shrink: 0;
}

.download-pro-highlight-text {
  font-size: 0.92rem;
  color: var(--color-text-light);
}

.download-pro-highlight-text strong {
  color: #5A7A57;
}

/* === 文本段落（专业版说明） === */
.download-pro-paragraph {
  margin: 16px 0;
  color: var(--color-text-light);
}

.download-pro-list {
  margin: 8px 0 16px 24px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* === 小程序说明卡片 === */
.download-miniprogram-card {
  margin: 24px 0;
  padding: 20px 24px;
  background: rgba(176, 136, 128, 0.08);
  border: 1px solid rgba(176, 136, 128, 0.25);
  border-radius: var(--radius-md);
}

.download-miniprogram-title {
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.download-miniprogram-title-icon {
  width: 18px;
  height: 18px;
  color: #B08880;
}

.download-miniprogram-desc {
  margin: 0 0 12px;
  color: var(--color-text-light);
  font-size: 0.9rem;
  line-height: 1.7;
}

.download-miniprogram-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.download-miniprogram-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.download-miniprogram-flow {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* === 安全说明 section === */
.download-safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.download-safety-card {
  padding: 20px;
  border-radius: var(--radius-md);
}

.download-safety-card.green {
  background: rgba(163, 181, 160, 0.08);
  border: 1px solid rgba(163, 181, 160, 0.3);
}

.download-safety-card.blue {
  background: rgba(107, 123, 140, 0.08);
  border: 1px solid rgba(107, 123, 140, 0.3);
}

.download-safety-card.pink {
  background: rgba(201, 168, 160, 0.1);
  border: 1px solid rgba(201, 168, 160, 0.35);
}

.download-safety-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 10px;
}

.download-safety-icon.green {
  color: #5A7A57;
}

.download-safety-icon.blue {
  color: var(--color-primary);
}

.download-safety-icon.pink {
  color: #B08880;
}

.download-safety-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.download-safety-desc {
  font-size: 0.86rem;
  line-height: 1.6;
}

/* 内联 code 样式（用于安全说明中的 curl | bash 等） */
.download-inline-code {
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.82rem;
}

/* curl | bash 安全说明条 */
.download-safety-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  color: var(--color-text-light);
}

.download-safety-note strong {
  color: var(--color-text);
}

/* === 原生安装包下载区块 === */
.download-native-section {
  padding-bottom: 0;
}

.download-native-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.download-native-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.download-native-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(107, 123, 140, 0.1);
}

.download-native-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.download-native-icon svg {
  width: 100%;
  height: 100%;
}

.download-native-icon.windows {
  color: #0078D4;
}

.download-native-info {
  flex: 1;
}

.download-native-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.download-native-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.download-native-size {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.download-native-btn {
  flex-shrink: 0;
  white-space: nowrap;
  padding: 10px 20px;
}

/* === 功能特点概览 === */
.download-features-section {
  padding-top: 0;
  padding-bottom: 40px;
}

.download-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.download-feature-card {
  padding: 24px 20px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.download-feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(107, 123, 140, 0.1);
}

.download-feature-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}

.download-feature-icon svg {
  width: 100%;
  height: 100%;
}

.download-feature-icon.green {
  background: rgba(122, 154, 119, 0.15);
  color: #5A7A57;
}

.download-feature-icon.blue {
  background: rgba(122, 153, 140, 0.15);
  color: var(--color-primary);
}

.download-feature-icon.amber {
  background: rgba(184, 153, 104, 0.15);
  color: #8A7050;
}

.download-feature-icon.pink {
  background: rgba(176, 136, 128, 0.15);
  color: #B08880;
}

.download-feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.download-feature-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Hero CTA === */
.hero-cta-row {
  margin-top: 32px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero-cta-row .btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

/* === 响应式 === */
@media (max-width: 768px) {
  .download-safety-grid {
    grid-template-columns: 1fr;
  }
  .download-native-grid {
    grid-template-columns: 1fr;
  }
  .download-native-card {
    flex-wrap: wrap;
  }
  .download-native-btn {
    width: 100%;
    text-align: center;
  }
  .download-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta-row .btn-lg {
    text-align: center;
  }
}