/* ===== 页面专属：平台服务 (products) ===== */
.page-products {
  --products-hero-bg: #0B3D5F;
  --products-hero-text: #ffffff;
  --products-accent: #FF6B35;
  --products-accent-blue: #00B4D8;
  --products-panel-bg: #ffffff;
  --products-card-shadow: 0 2px 12px rgba(11, 61, 95, 0.08);
  --products-card-hover-shadow: 0 6px 24px rgba(11, 61, 95, 0.14);
  --products-border: 1px solid rgba(139, 155, 180, 0.3);
  --products-text: #1A1A2E;
  --products-text-secondary: #8B9BB4;
  --products-step-bg: #F4F6F9;
  --products-tab-active-border: #FF6B35;
  --products-table-header-bg: #0B3D5F;
  --products-table-stripe: #F4F6F9;
  --products-contact-gradient-start: #0B3D5F;
  --products-contact-gradient-end: #FF6B35;

  font-family: var(--font-body, "Noto Sans SC", sans-serif);
  color: var(--products-text);
  background-color: #F4F6F9;
}

/* ---- 容器 ---- */
.page-products .container {
  max-width: var(--max-width, 1200px);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* ===== 标题区 ===== */
.page-products__hero {
  position: relative;
  background-color: var(--products-hero-bg);
  color: var(--products-hero-text);
  padding: 3rem 0 4.5rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3deg), 0 100%);
  /* 使用近似斜切角度 */
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
  overflow: hidden;
}

.page-products__hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

.page-products__hero .breadcrumb__link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-products__hero .breadcrumb__link:hover,
.page-products__hero .breadcrumb__link:focus-visible {
  color: var(--products-accent);
  outline: none;
  text-decoration: underline;
}

.page-products__hero .breadcrumb__separator {
  color: rgba(255, 255, 255, 0.5);
  user-select: none;
}

.page-products__hero .breadcrumb__current {
  color: var(--products-hero-text);
  font-weight: 500;
}

.page-products__title {
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 700;
  font-size: 2.441rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}

.page-products__lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0;
}

/* 右侧装饰图 */
.page-products__hero-deco {
  display: none;
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 300px;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.15;
}

.page-products__deco-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}

/* ===== Tab 区域 ===== */
.page-products__tabs {
  background-color: #F4F6F9;
  padding: 0 0 3rem;
  position: relative;
  z-index: 2;
}

/* radio 隐藏 */
.page-products__tab-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  pointer-events: none;
}

/* Tab 导航 */
.page-products__tab-nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.25rem;
  margin-top: -1.75rem;
  margin-bottom: 2rem;
  background-color: var(--products-panel-bg);
  border-radius: 8px;
  box-shadow: var(--products-card-shadow);
  padding: 0.375rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-products__tab-nav::-webkit-scrollbar {
  display: none;
}

.page-products__tab-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 500;
  font-size: 1rem;
  color: var(--products-text-secondary);
  background-color: transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  flex-shrink: 0;
}

.page-products__tab-label:hover {
  color: var(--products-text);
  background-color: rgba(255, 107, 53, 0.06);
}

.page-products__tab-label:focus-visible {
  outline: 2px solid var(--products-accent);
  outline-offset: 2px;
}

/* 选中态 */
#tab-new:checked ~ .page-products__tab-nav label[for="tab-new"],
#tab-download:checked ~ .page-products__tab-nav label[for="tab-download"],
#tab-compare:checked ~ .page-products__tab-nav label[for="tab-compare"] {
  color: var(--products-accent);
  background-color: rgba(255, 107, 53, 0.1);
  border-color: var(--products-accent);
  font-weight: 600;
}

.page-products__tab-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

#tab-new:checked ~ .page-products__tab-nav label[for="tab-new"] .page-products__tab-icon,
#tab-download:checked ~ .page-products__tab-nav label[for="tab-download"] .page-products__tab-icon,
#tab-compare:checked ~ .page-products__tab-nav label[for="tab-compare"] .page-products__tab-icon {
  opacity: 1;
}

/* ===== Tab 面板 ===== */
.page-products__tab-panels {
  position: relative;
}

.page-products__panel {
  display: none;
  background-color: var(--products-panel-bg);
  border-radius: 8px;
  box-shadow: var(--products-card-shadow);
  padding: 1.75rem 1.5rem;
  animation: page-products-fadeIn 0.4s ease;
}

@keyframes page-products-fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* radio 控制面板显示 */
#tab-new:checked ~ .page-products__tab-panels #panel-new,
#tab-download:checked ~ .page-products__tab-panels #panel-download,
#tab-compare:checked ~ .page-products__tab-panels #panel-compare {
  display: block;
}

.page-products__panel-inner {
  max-width: 100%;
}

.page-products__panel-title {
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 700;
  font-size: 1.563rem;
  color: var(--products-text);
  margin: 0 0 0.5rem;
}

.page-products__panel-desc {
  color: var(--products-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0 0 1.75rem;
  max-width: 680px;
}

/* ===== 新用户通道 - 步骤 ===== */
.page-products__steps {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-products__step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.25rem;
  background-color: var(--products-step-bg);
  border-radius: 8px;
  border-left: 4px solid var(--products-accent);
  transition: box-shadow 0.3s ease;
}

.page-products__step:hover {
  box-shadow: var(--products-card-hover-shadow);
}

.page-products__step-num {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--products-accent);
  color: #ffffff;
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
}

.page-products__step-body {
  flex: 1;
  min-width: 0;
}

.page-products__step-heading {
  display: block;
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--products-text);
  margin-bottom: 0.25rem;
}

.page-products__step-body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #3d4a5c;
}

.page-products__tip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1.25rem;
  background-color: rgba(0, 180, 216, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(0, 180, 216, 0.2);
  font-size: 0.9375rem;
  color: #0B3D5F;
  flex-wrap: wrap;
}

/* ===== 老版本资料下载 ===== */
.page-products__download-cards {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-products__download-card {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  padding: 1.5rem;
  background-color: var(--products-step-bg);
  border-radius: 8px;
  border: var(--products-border);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-products__download-card:hover {
  box-shadow: var(--products-card-hover-shadow);
  border-color: var(--products-accent-blue);
}

.page-products__download-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 107, 53, 0.1);
  border-radius: 10px;
}

.page-products__download-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.page-products__download-info {
  flex: 1;
  min-width: 0;
}

.page-products__download-name {
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 600;
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
  color: var(--products-text);
}

.page-products__download-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 0.625rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-products__download-meta .tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  background-color: rgba(139, 155, 180, 0.15);
  color: var(--products-text-secondary);
  border-radius: 4px;
  font-weight: 400;
}

.page-products__download-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: #3d4a5c;
  margin: 0 0 0.75rem;
}

.page-products__download-path {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.375rem;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  background-color: rgba(11, 61, 95, 0.04);
  border-radius: 6px;
  border: 1px solid rgba(139, 155, 180, 0.15);
}

.page-products__path-label {
  font-weight: 500;
  color: var(--products-text);
  white-space: nowrap;
}

.page-products__path-code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8125rem;
  color: var(--products-accent-blue);
  background-color: rgba(0, 180, 216, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  word-break: break-all;
}

.page-products__path-note {
  color: var(--products-text-secondary);
  font-style: italic;
}

/* ===== 服务介绍对照表 ===== */
.page-products__table-wrap {
  overflow-x: auto;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  border: var(--products-border);
}

.page-products__compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
  min-width: 520px;
}

.page-products__compare-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.page-products__compare-table th {
  background-color: var(--products-table-header-bg);
  color: #ffffff;
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 600;
  text-align: left;
  padding: 0.875rem 1rem;
  white-space: nowrap;
}

.page-products__compare-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(139, 155, 180, 0.15);
  color: var(--products-text);
  line-height: 1.5;
}

.page-products__compare-table tbody tr:nth-child(even) {
  background-color: var(--products-table-stripe);
}

.page-products__compare-table tbody tr:hover {
  background-color: rgba(255, 107, 53, 0.06);
  transition: background-color 0.2s ease;
}

.page-products__compare-table td:first-child {
  font-weight: 500;
  white-space: nowrap;
  color: #0B3D5F;
}

.page-products__compare-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background-color: var(--products-step-bg);
  border-radius: 8px;
}

.page-products__compare-img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: var(--products-border);
}

.page-products__compare-caption {
  font-size: 0.8125rem;
  color: var(--products-text-secondary);
  margin: 0;
  font-style: italic;
}

/* details */
.page-products__details {
  border: 1px solid rgba(139, 155, 180, 0.25);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  background-color: var(--products-step-bg);
}

.page-products__details-summary {
  font-weight: 500;
  color: var(--products-accent-blue);
  cursor: pointer;
  padding: 0.5rem 0;
  user-select: none;
}

.page-products__details-summary:hover,
.page-products__details-summary:focus-visible {
  color: var(--products-accent);
  outline: none;
  text-decoration: underline;
}

.page-products__details-body {
  padding: 0.75rem 0 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  border-top: 1px solid rgba(139, 155, 180, 0.15);
  margin-top: 0.25rem;
}

.page-products__details-body p {
  margin: 0;
}

/* ===== 联系区块 ===== */
.page-products__contact {
  position: relative;
  padding: 3.5rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--products-contact-gradient-start) 0%, #1a5276 40%, var(--products-contact-gradient-end) 100%);
  color: #ffffff;
}

.page-products__contact-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  overflow: hidden;
}

.page-products__contact-bg-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.page-products__contact-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.page-products__contact-title {
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 700;
  font-size: 2.0rem;
  margin: 0 0 0.75rem;
}

.page-products__contact-desc {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 2rem;
  max-width: 600px;
}

.page-products__contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.page-products__contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(4px);
}

.page-products__contact-item--full {
  grid-column: 1 / -1;
}

.page-products__contact-label {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.65);
}

.page-products__contact-value {
  font-size: 1.0625rem;
  font-weight: 500;
  color: #ffffff;
  text-decoration: none;
  word-break: break-all;
}

.page-products__contact-value a {
  color: inherit;
  text-decoration: none;
}

.page-products__contact-value a:hover,
.page-products__contact-value a:focus-visible {
  text-decoration: underline;
  color: var(--products-accent);
  outline: none;
}

.page-products__contact-note {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0.5rem 0 0;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.page-products__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
}

.page-products__contact-actions .btn {
  font-family: var(--font-heading, "Source Han Sans SC", sans-serif);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.page-products__contact-actions .btn--primary {
  background-color: var(--products-accent);
  color: #ffffff;
  border: 2px solid var(--products-accent);
}

.page-products__contact-actions .btn--primary:hover,
.page-products__contact-actions .btn--primary:focus-visible {
  background-color: #e85a2a;
  border-color: #e85a2a;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
  transform: translateY(-2px);
  outline: none;
}

.page-products__contact-actions .btn--secondary {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.page-products__contact-actions .btn--secondary:hover,
.page-products__contact-actions .btn--secondary:focus-visible {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  outline: none;
}

/* ===== 工具类 ===== */
.page-products .text-accent {
  color: var(--products-accent);
}

.page-products .tag--accent {
  background-color: var(--products-accent);
  color: #ffffff;
  padding: 0.2rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
}

.page-products .tag--warning {
  background-color: #E63946;
  color: #ffffff;
  padding: 0.2rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 500;
}

/* ========== 响应式：中等屏幕 (≥768px) ========== */
@media (min-width: 768px) {
  .page-products__hero {
    padding: 4rem 0 6rem;
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
  }

  .page-products__title {
    font-size: 3.052rem;
  }

  .page-products__lead {
    font-size: 1.25rem;
  }

  .page-products__tab-nav {
    gap: 0.5rem;
    padding: 0.5rem;
  }

  .page-products__tab-label {
    padding: 0.875rem 1.75rem;
    font-size: 1.0625rem;
  }

  .page-products__panel {
    padding: 2.5rem 2.25rem;
  }

  .page-products__steps {
    gap: 1.5rem;
  }

  .page-products__step {
    padding: 1.5rem 1.75rem;
  }

  .page-products__download-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-products__download-card {
    flex-direction: column;
    padding: 1.75rem;
  }

  .page-products__download-icon {
    width: 56px;
    height: 56px;
  }

  .page-products__download-icon img {
    width: 32px;
    height: 32px;
  }

  .page-products__contact-channels {
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .page-products__contact {
    padding: 4.5rem 0;
  }

  .page-products__contact-title {
    font-size: 2.441rem;
  }

  .page-products__compare-visual {
    flex-direction: row;
    align-items: center;
    gap: 1.25rem;
  }
}

/* ========== 响应式：桌面 (≥1024px) ========== */
@media (min-width: 1024px) {
  .page-products__hero {
    padding: 5rem 0 7rem;
    clip-path: polygon(0 0, 100% 0, 100% 82%, 0 100%);
  }

  .page-products__hero-deco {
    display: block;
  }

  .page-products__title {
    font-size: 3.815rem;
    max-width: 70%;
  }

  .page-products__lead {
    font-size: 1.375rem;
    max-width: 60%;
  }

  .page-products__tab-nav {
    gap: 0.75rem;
    padding: 0.625rem;
    margin-top: -2.25rem;
  }

  .page-products__tab-label {
    padding: 1rem 2rem;
    font-size: 1.125rem;
  }

  .page-products__panel {
    padding: 3rem 2.75rem;
  }

  .page-products__panel-title {
    font-size: 1.953rem;
  }

  .page-products__steps {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
  }

  .page-products__step {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.75rem 1.5rem;
    border-left-width: 6px;
  }

  .page-products__step-num {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }

  .page-products__download-cards {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
  }

  .page-products__contact {
    padding: 5.5rem 0;
  }

  .page-products__contact-channels {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-products__contact-item--full {
    grid-column: 1 / -1;
  }

  .page-products__compare-table {
    font-size: 1rem;
  }

  .page-products__compare-table th,
  .page-products__compare-table td {
    padding: 1rem 1.25rem;
  }
}

/* ========== 响应式：大桌面 (≥1280px) ========== */
@media (min-width: 1280px) {
  .page-products__container {
    padding-left: 2rem;
    padding-right: 2rem;
  }

  .page-products__hero {
    padding: 6rem 0 8rem;
  }

  .page-products__tab-nav {
    padding: 0.75rem;
  }

  .page-products__panel {
    padding: 3.5rem 3rem;
  }

  .page-products__contact {
    padding: 6rem 0;
  }
}

/* ========== 打印样式 ========== */
@media print {
  .page-products__hero {
    clip-path: none;
    padding: 1.5rem 0;
    background-color: #0B3D5F !important;
    color: #ffffff !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .page-products__hero-deco {
    display: none !important;
  }

  .page-products__tab-nav {
    box-shadow: none;
    border: 1px solid #ccc;
    margin-top: 0;
  }

  .page-products__panel {
    box-shadow: none;
    border: 1px solid #ccc;
    display: block !important;
    page-break-inside: avoid;
    margin-bottom: 1rem;
  }

  .page-products__tab-input {
    display: none;
  }

  .page-products__tab-label {
    border: 1px solid #ccc;
    margin-right: 0.25rem;
  }

  .page-products__contact {
    background: #0B3D5F !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    padding: 2rem 0;
  }

  .page-products__contact-bg {
    display: none !important;
  }

  .page-products__download-card,
  .page-products__step {
    box-shadow: none;
    border: 1px solid #ccc;
  }

  .page-products__compare-table th {
    background-color: #0B3D5F !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .page-products__hero .breadcrumb,
  .page-products__contact-actions {
    display: none;
  }
}