/* 内页内容区域样式 - 使用稳定 px 单位，不依赖 rem.js */

/* ==========================================
   内容区域容器
   ========================================== */
.site-inner {
  --bg-deep: #0e0e0e;
  --bg-card: rgba(30, 40, 60, 0.6);
  --bg-card-solid: #141c2e;
  --border: rgba(100, 200, 255, 0.18);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.72);
  --text-soft: rgba(255, 255, 255, 0.5);
  --accent: #22d3ee;
  --accent-dim: rgba(34, 211, 238, 0.15);
  --radius: 12px;
  --max-width: 1200px;

  width: 100%;
  min-height: calc(100vh - 80px);
  background: var(--bg-deep);
  color: var(--text);
  box-sizing: border-box;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-inner * {
  box-sizing: border-box;
}

/* ==========================================
   页面 Hero 横幅（所有内页通用）
   ========================================== */
.page-hero {
  width: 100%;
  background: linear-gradient(135deg, #0a0f1e 0%, #121830 50%, #0e0e0e 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 100px 40px 64px;
}

.page-hero .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 50px;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.page-hero-title {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text);
  margin: 0 0 20px;
  letter-spacing: -0.02em;
  max-width: 800px;
}

.page-hero-desc {
  font-size: 18px;
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0;
}

.page-hero-breadcrumb {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-hero-breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.2s;
}

.page-hero-breadcrumb a:hover {
  color: var(--accent);
}

.page-hero-breadcrumb span {
  opacity: 0.4;
}

/* ==========================================
   内容包装器
   ========================================== */
.site-inner .wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  padding-left: 40px;
  padding-right: 40px;
}

.site-inner .article {
  max-width: 1000px;
  margin: 0 auto;
}

.inner-content {
  padding: 64px 40px 80px;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ==========================================
   标题样式
   ========================================== */
.site-inner h1 {
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 20px;
  line-height: 1.3;
  color: var(--text);
}

.site-inner h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 40px 0 16px;
  line-height: 1.4;
  color: var(--text);
}

.site-inner h2:first-child {
  margin-top: 0;
}

.site-inner h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 12px;
  color: var(--text);
}

/* ==========================================
   段落与文本
   ========================================== */
.site-inner p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.site-inner .lead,
.site-inner .intro {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.site-inner strong {
  color: var(--text);
  font-weight: 600;
}

/* ==========================================
   面包屑导航（文章内）
   ========================================== */
.site-inner .breadcrumb {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-inner .breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
}

.site-inner .breadcrumb a:hover {
  color: var(--accent);
}

/* ==========================================
   基础卡片
   ========================================== */
.site-inner .card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease;
}

.site-inner .card:hover {
  border-color: rgba(34, 211, 238, 0.35);
}

.site-inner .card h2 {
  margin-top: 0;
  font-size: 20px;
}

/* ==========================================
   数字统计行
   ========================================== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 40px 0;
}

.stat-item {
  background: var(--bg-card-solid);
  padding: 32px 28px;
  text-align: center;
}

.stat-value {
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}

/* ==========================================
   功能模块卡片（带序号）
   ========================================== */
.feature-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin: 40px 0;
}

.feature-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  gap: 32px;
  align-items: flex-start;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-2px);
}

.feature-card-num {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 8px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-card-body {
  flex: 1;
}

.feature-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
}

.feature-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.7;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.check-list li {
  font-size: 15px;
  color: var(--text-muted);
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

/* ==========================================
   合作模式卡片
   ========================================== */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}

.mode-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.mode-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-3px);
}

.mode-card-top {
  height: 6px;
}

.mode-card-top.blue { background: linear-gradient(90deg, #2563eb, #22d3ee); }
.mode-card-top.purple { background: linear-gradient(90deg, #7c3aed, #c026d3); }
.mode-card-top.green { background: linear-gradient(90deg, #059669, #22d3ee); }

.mode-card-body {
  padding: 28px 28px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.mode-card-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
}

.mode-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0 0 20px;
  flex: 1;
}

.mode-card-tag {
  font-size: 13px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 6px 12px;
  align-self: flex-start;
}

/* ==========================================
   对比表格
   ========================================== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  margin: 40px 0;
  font-size: 15px;
}

.compare-table th {
  background: rgba(34, 211, 238, 0.08);
  color: var(--text);
  font-weight: 600;
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th:first-child {
  border-radius: 8px 0 0 0;
}

.compare-table th:last-child {
  border-radius: 0 8px 0 0;
}

.compare-table td {
  padding: 14px 20px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  line-height: 1.6;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.compare-table td:first-child {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
}

/* ==========================================
   方案首页大卡片
   ========================================== */
.solution-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 40px 0;
}

.solution-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  gap: 32px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
  min-height: 140px;
}

.solution-card:hover {
  border-color: rgba(34, 211, 238, 0.5);
  background: rgba(20, 30, 55, 0.8);
  transform: translateX(4px);
  text-decoration: none;
}

.solution-card-icon {
  font-size: 40px;
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-card-body {
  flex: 1;
}

.solution-card-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 8px;
}

.solution-card-desc {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.solution-card-arrow {
  font-size: 20px;
  color: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
  transition: opacity 0.2s, transform 0.2s;
}

.solution-card:hover .solution-card-arrow {
  opacity: 1;
  transform: translateX(4px);
}

/* ==========================================
   能力特性列表
   ========================================== */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px 24px;
  background: var(--bg-card-solid);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  transition: border-color 0.2s;
}

.feature-list li:hover {
  border-left-color: var(--accent);
  border-color: rgba(34, 211, 238, 0.3);
  border-left-color: var(--accent);
}

.feature-list-num {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

/* ==========================================
   场景标签组
   ========================================== */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 32px;
}

.tag {
  font-size: 14px;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  padding: 6px 16px;
}

/* ==========================================
   行业标签 chip
   ========================================== */
.chip {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 12px;
}

/* ==========================================
   大网格卡片（带 chip）
   ========================================== */
.case-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.case-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, transform 0.2s;
}

.case-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-3px);
}

.case-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  color: var(--text);
}

.case-card p {
  font-size: 15px;
  color: var(--text-muted);
  flex: 1;
  margin: 0;
}

/* ==========================================
   价值观卡片
   ========================================== */
.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.value-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.value-card:hover {
  border-color: rgba(34, 211, 238, 0.4);
  transform: translateY(-3px);
}

.value-icon {
  font-size: 28px;
  margin-bottom: 16px;
  display: block;
}

.value-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 10px;
}

.value-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ==========================================
   引用块（愿景大段）
   ========================================== */
.vision-block {
  text-align: center;
  padding: 60px 40px;
  margin: 48px 0;
  background: linear-gradient(135deg, #0a0f1e, #121830);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
}

.vision-block::before {
  content: '"';
  font-size: 120px;
  color: rgba(34, 211, 238, 0.08);
  position: absolute;
  top: -20px;
  left: 40px;
  font-family: Georgia, serif;
  line-height: 1;
}

.vision-text {
  font-size: 22px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
  position: relative;
}

/* ==========================================
   两列布局
   ========================================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 40px 0;
}

/* ==========================================
   联系信息卡
   ========================================== */
.contact-info-card {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-info-card h3 {
  margin: 0 0 24px;
  font-size: 18px;
  color: var(--text);
}

.contact-item {
  margin-bottom: 24px;
}

.contact-item:last-child {
  margin-bottom: 0;
}

.contact-item-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 16px;
  color: var(--text);
}

.contact-item-value a {
  color: var(--text);
  text-decoration: none;
}

.contact-item-value a:hover {
  color: var(--accent);
}

.contact-hint {
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 4px;
  line-height: 1.5;
}

/* ==========================================
   帮助清单（联系页右列）
   ========================================== */
.help-list {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.help-list h3 {
  margin: 0 0 20px;
  font-size: 18px;
  color: var(--text);
}

.help-list ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.help-list li {
  font-size: 15px;
  color: var(--text-muted);
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.help-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 13px;
}

/* ==========================================
   FAQ 样式
   ========================================== */
.site-inner .faq {
  margin: 32px 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
}

.site-inner .faq dt {
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  padding: 24px 28px 8px;
  background: var(--bg-card-solid);
  border-top: 1px solid var(--border-subtle);
}

.site-inner .faq dt:first-child {
  border-top: none;
}

.site-inner .faq dd {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  padding: 0 28px 24px;
  margin: 0;
  background: var(--bg-card-solid);
}

/* ==========================================
   CTA 块
   ========================================== */
.cta-block {
  background: linear-gradient(135deg, #0a0f1e, #121830);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  margin-top: 48px;
}

.cta-block-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
}

.cta-block-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 28px;
}

/* ==========================================
   按钮样式
   ========================================== */
.site-inner .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.3;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.site-inner .btn-primary {
  background: linear-gradient(135deg, #22d3ee 0%, #0891b2 100%);
  color: #021014;
  border-color: rgba(255, 255, 255, 0.2);
}

.site-inner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 211, 238, 0.35);
  text-decoration: none;
}

.site-inner .btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.site-inner .btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.3);
  text-decoration: none;
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

/* ==========================================
   链接样式
   ========================================== */
.site-inner a {
  color: var(--accent);
  text-decoration: none;
}

.site-inner a:hover {
  text-decoration: underline;
}

/* ==========================================
   列表
   ========================================== */
.site-inner ul {
  margin: 0 0 20px;
  padding-left: 24px;
}

.site-inner li {
  margin-bottom: 8px;
  color: var(--text-muted);
}

/* ==========================================
   返回链接
   ========================================== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  margin-top: 32px;
  transition: color 0.2s;
}

.back-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ==========================================
   段落底部操作区
   ========================================== */
.page-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================
   首页 carousel 修复（小屏溢出）
   ========================================== */
.carousel-card .card-content {
  min-width: min(400px, 100%);
}

.carousel-card .card-visual {
  min-width: min(400px, 100%);
}

/* ==========================================
   响应式调整
   ========================================== */
@media (max-width: 1024px) {
  .mode-cards {
    grid-template-columns: 1fr;
  }

  .value-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-inner .wrap {
    padding-left: 20px;
    padding-right: 20px;
  }

  .inner-content {
    padding: 40px 20px 60px;
  }

  .page-hero {
    padding: 90px 20px 48px;
  }

  .page-hero-title {
    font-size: 32px;
  }

  .page-hero-desc {
    font-size: 16px;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

  .mode-cards {
    grid-template-columns: 1fr;
  }

  .value-cards {
    grid-template-columns: 1fr;
  }

  .case-cards {
    grid-template-columns: 1fr;
  }

  .feature-card {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
  }

  .solution-card {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
  }

  .solution-card-arrow {
    display: none;
  }

  .vision-block {
    padding: 40px 24px;
  }

  .vision-text {
    font-size: 18px;
  }

  .cta-block {
    padding: 40px 24px;
  }

  .compare-table {
    font-size: 14px;
  }

  .compare-table th,
  .compare-table td {
    padding: 12px 12px;
  }
}