/* ===== 平台服务页 · 页面专属样式 ===== */
.page-products {
  --page-radius: 20px;
  --page-cap: clamp(3.5rem, 7vw, 6rem);
  --page-gap: 1.25rem;
  --card-bg: #FFFFFF;
  --card-border: #D9E2EC;
}

.page-products .container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

.page-products .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem 0 1.25rem;
  font-size: 0.88rem;
  color: var(--neutral-dark);
}

.page-products .breadcrumb a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.2s ease;
}

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

.page-products .breadcrumb a:focus-visible,
.page-products .toc-list a:focus-visible,
.page-products .index-actions a:focus-visible,
.page-products .story-note a:focus-visible,
.page-products .support-panel a:focus-visible {
  outline: 2px solid var(--data-cyan);
  outline-offset: 3px;
}

.page-products .breadcrumb-sep {
  color: var(--neutral);
  font-family: var(--font-data);
}

.page-products .breadcrumb-current {
  color: var(--neutral-dark);
  opacity: 0.85;
}

/* ===== Hero 首屏 ===== */
.page-products .hero-section {
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 72%, #2C5485 100%);
  background-size: 28px 28px, 28px 28px, 100% 100%;
  border-radius: var(--page-radius);
  color: #FFFFFF;
  padding: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  gap: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(11,36,71,0.18);
}

.page-products .hero-copy {
  position: relative;
  z-index: 2;
}

.page-products .hero-copy .eyebrow {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(255,107,53,0.14);
  border: 1px solid rgba(255,160,122,0.28);
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
}

.page-products .hero-copy h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 4vw, 2.7rem);
  line-height: 1.26;
  margin: 1rem 0 1rem;
  max-width: 22ch;
  letter-spacing: -0.01em;
}

.page-products .hero-copy .lead {
  color: rgba(255,255,255,0.82);
  max-width: 52ch;
  line-height: 1.8;
  font-size: 1rem;
  margin: 0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.page-products .hero-actions .btn-ghost {
  border-color: rgba(255,255,255,0.42);
  color: #FFFFFF;
}

.page-products .hero-actions .btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.65);
}

.page-products .hero-visual {
  position: relative;
  z-index: 2;
}

.page-products .hero-img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  display: block;
  box-shadow: 0 22px 48px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.16);
}

/* ===== 页内目录 ===== */
.page-products .page-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  background: rgba(255,255,255,0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(217,226,236,0.9);
  border-radius: 18px;
  padding: 1rem 1.4rem;
  margin-top: -1.6rem;
  margin-bottom: var(--page-cap);
  box-shadow: 0 8px 24px rgba(11,36,71,0.06);
  position: relative;
  z-index: 3;
}

.page-products .toc-label {
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin: 0;
}

.page-products .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.4rem;
}

.page-products .toc-list a {
  display: inline-block;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-products .toc-list a:hover {
  background: rgba(0,180,216,0.1);
  border-color: rgba(0,180,216,0.28);
  color: var(--primary-deep);
}

.page-products .toc-list a.is-active {
  background: rgba(0,180,216,0.14);
  border-color: rgba(0,180,216,0.36);
  color: var(--primary-deep);
}

/* ===== 章节体系 ===== */
.page-products .chapter-wrap {
  margin-top: var(--page-cap);
}

.page-products .section-head {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 2rem;
  position: relative;
}

.page-products .chapter-index {
  font-family: var(--font-data);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 0.9;
  font-weight: 700;
  letter-spacing: -0.05em;
  color: rgba(27,58,111,0.14);
}

.page-products .section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin: 0.2rem 0 0;
  color: var(--primary-deep);
  letter-spacing: -0.01em;
}

.page-products .section-sub {
  color: var(--neutral-dark);
  max-width: 60ch;
  line-height: 1.75;
  margin: 0.2rem 0 0;
  font-size: 0.98rem;
}

/* ===== 核心功能卡片 ===== */
.page-products .feature-grid {
  display: grid;
  gap: var(--page-gap);
}

.page-products .feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--page-radius);
  padding: 1.5rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.page-products .feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(11,36,71,0.09);
  border-color: rgba(0,180,216,0.38);
}

.page-products .feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: rgba(0,180,216,0.1);
  color: var(--data-cyan);
  border: 1px solid rgba(0,180,216,0.16);
  margin-bottom: 1rem;
}

.page-products .feature-tint-green .feature-icon {
  background: rgba(0,229,160,0.1);
  color: var(--data-green);
  border-color: rgba(0,229,160,0.18);
}

.page-products .feature-tint-accent .feature-icon {
  background: rgba(255,107,53,0.1);
  color: var(--accent);
  border-color: rgba(255,107,53,0.18);
}

.page-products .feature-tint-purple .feature-icon {
  background: rgba(155,92,246,0.1);
  color: var(--data-purple);
  border-color: rgba(155,92,246,0.18);
}

.page-products .feature-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin: 0 0 0.6rem;
  line-height: 1.4;
}

.page-products .feature-card p {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--neutral-dark);
  margin: 0;
}

/* ===== 数据覆盖范围 ===== */
.page-products .coverage-grid {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.page-products .coverage-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--page-radius);
  padding: 1.75rem;
}

.page-products .table-card .card-title,
.page-products .calendar-card .card-title,
.page-products .export-intro .card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--primary-deep);
  margin: 0 0 0.8rem;
  line-height: 1.4;
}

.page-products .coverage-card p,
.page-products .export-intro p {
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--neutral-dark);
  margin: 0.4rem 0 0;
}

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: 0.4rem;
}

.page-products .data-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.page-products .data-table th {
  text-align: left;
  font-family: var(--font-data);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 0.7rem 0.6rem;
  border-bottom: 2px solid var(--neutral);
}

.page-products .data-table td {
  padding: 0.72rem 0.6rem;
  border-bottom: 1px solid var(--neutral);
  color: var(--neutral-dark);
  line-height: 1.5;
}

.page-products .data-table tr:last-child td {
  border-bottom: none;
}

.page-products .data-table td:first-child {
  font-weight: 600;
  color: var(--primary-deep);
}

.page-products .brand-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.2rem;
  margin-top: 1.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--neutral);
}

.page-products .fact-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-products .stat-num {
  font-family: var(--font-data);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-deep);
  letter-spacing: -0.02em;
}

.page-products .fact-item span:last-child {
  font-size: 0.78rem;
  color: var(--neutral-dark);
  line-height: 1.4;
}

.page-products .coverage-media {
  overflow: hidden;
  border-radius: 13px;
  background: var(--neutral-light);
}

.page-products .coverage-media img,
.page-products .version-media img,
.page-products .export-media img,
.page-products .index-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.page-products .heat-strip {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 4px;
  margin: 1.2rem 0 0.5rem;
  padding: 0.8rem;
  background: var(--neutral-light);
  border-radius: 13px;
}

.page-products .heat-cell {
  height: 20px;
  border-radius: 4px;
  background: #E3EAF1;
  transition: transform 0.2s ease;
}

.page-products .heat-cell:hover {
  transform: scale(1.15);
}

.page-products .heat-cell[data-level="1"] { background: #DFE9F2; }
.page-products .heat-cell[data-level="2"] { background: #8FB9DB; }
.page-products .heat-cell[data-level="3"] { background: #3FA0C9; }
.page-products .heat-cell[data-level="4"] { background: #1457A4; }

.page-products .heat-note {
  font-size: 0.8rem;
  color: var(--neutral-dark);
  opacity: 0.72;
  margin-top: 0.2rem;
}

.page-products .trust-statement {
  margin-top: 1.5rem;
  padding: 1.2rem 1.4rem;
  border-left: 4px solid var(--data-cyan);
  background: rgba(0,180,216,0.06);
  border-radius: 0 13px 13px 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--neutral-dark);
}

/* ===== 版本切换 ===== */
.page-products .version-grid {
  display: grid;
  gap: 1rem;
  align-items: stretch;
}

.page-products .version-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--page-radius);
  padding: 1.75rem;
  position: relative;
}

.page-products .version-card-new {
  border-top: 3px solid var(--data-cyan);
}

.page-products .version-card-legacy {
  border-top: 3px solid var(--accent);
}

.page-products .version-badge {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(0,180,216,0.12);
  color: var(--data-cyan);
}

.page-products .version-card-legacy .version-badge {
  background: rgba(255,107,53,0.12);
  color: var(--accent);
}

.page-products .version-card h3 {
  font-family: var(--font-heading);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin: 0 0 1rem;
  line-height: 1.4;
}

.page-products .version-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .version-card li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--neutral-dark);
}

.page-products .version-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--data-cyan);
}

.page-products .version-card-legacy li::before {
  background: var(--accent);
}

.page-products .version-switch {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 1.4rem 1rem;
  text-align: center;
  background: var(--neutral-light);
  border-radius: var(--page-radius);
}

.page-products .switch-arrow {
  font-family: var(--font-data);
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
}

.page-products .version-switch p {
  font-size: 0.82rem;
  color: var(--neutral-dark);
  margin: 0;
}

.page-products .legacy-toggle-btn {
  white-space: nowrap;
}

.page-products .version-media {
  margin-top: 1.25rem;
  overflow: hidden;
  border-radius: var(--page-radius);
  border: 1px solid var(--card-border);
  background: var(--neutral-light);
}

/* ===== 数据导出与索引 ===== */
.page-products .export-layout {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-products .export-intro {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--page-radius);
  padding: 1.75rem;
}

.page-products .export-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .export-steps li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--neutral-dark);
  background: var(--neutral-light);
  padding: 0.85rem 1rem;
  border-radius: 12px;
  line-height: 1.5;
}

.page-products .step-index {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #FFFFFF;
  display: grid;
  place-items: center;
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

.page-products .export-media {
  overflow: hidden;
  border-radius: var(--page-radius);
  border: 1px solid var(--card-border);
  background: var(--neutral-light);
}

.page-products .index-card {
  display: grid;
  gap: 1.5rem;
  background: linear-gradient(130deg, #0B2447 0%, #1E3A6F 100%);
  border-radius: var(--page-radius);
  padding: 1.75rem;
  color: #FFFFFF;
  margin-top: 3rem;
  box-shadow: 0 18px 38px rgba(11,36,71,0.14);
}

.page-products .index-media {
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.16);
}

.page-products .index-copy h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 0 0 0.75rem;
  color: #FFFFFF;
}

.page-products .index-copy p {
  color: rgba(255,255,255,0.8);
  line-height: 1.75;
  font-size: 0.95rem;
  margin: 0 0 1.2rem;
}

.page-products .index-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-products .index-actions .btn-ghost {
  border-color: rgba(255,255,255,0.42);
  color: #FFFFFF;
}

.page-products .index-actions .btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.65);
}

/* ===== 服务流程 ===== */
.page-products .flow-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-products .flow-step {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--page-radius);
  padding: 1.5rem 1.6rem;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-products .flow-step:hover {
  border-color: rgba(0,180,216,0.35);
  box-shadow: 0 10px 28px rgba(11,36,71,0.07);
  transform: translateY(-2px);
}

.page-products .flow-num {
  font-family: var(--font-data);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(27,58,111,0.16);
  letter-spacing: -0.03em;
}

.page-products .flow-step h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-deep);
  margin: 0.75rem 0 0.5rem;
  line-height: 1.4;
}

.page-products .flow-step p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--neutral-dark);
  margin: 0;
}

/* ===== 支持面板与内链 ===== */
.page-products .support-panel,
.page-products .story-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding: 1.5rem 1.75rem;
  border-radius: var(--page-radius);
}

.page-products .support-panel {
  background: var(--primary);
  color: #FFFFFF;
  border: 1px solid rgba(255,255,255,0.08);
}

.page-products .support-panel h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: #FFFFFF;
}

.page-products .support-panel p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
}

.page-products .story-note {
  border: 1px solid var(--card-border);
  background: var(--neutral-light);
  color: var(--neutral-dark);
}

.page-products .story-note p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-products .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .brand-facts {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .flow-steps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .version-grid {
    grid-template-columns: 1fr auto 1fr;
  }

  .page-products .index-card {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: center;
  }

  .page-products .export-layout {
    grid-template-columns: 0.95fr 1.05fr;
  }
}

@media (min-width: 1024px) {
  .page-products .hero-section {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
  }

  .page-products .hero-copy h1 {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
  }

  .page-products .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .feature-card-wide {
    grid-column: span 2;
  }

  .page-products .coverage-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }

  .page-products .page-toc {
    margin-bottom: calc(var(--page-cap) + 0.5rem);
  }
}