/* ===== 页面专属：解决方案 ===== */
.page-products {
  background: var(--color-bg-white);
  color: var(--color-text);
}

.page-products img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-anchor,
.page-products .prod-filter-target {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

/* ===== 首屏分屏 ===== */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-deep) 100%);
  color: var(--color-bg-white);
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: var(--sp-7);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.045) 0 2px, transparent 2px 18px);
  pointer-events: none;
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -40%;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 40%, rgba(242, 208, 123, 0.22), transparent 62%);
  pointer-events: none;
}

.page-products .prod-hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-5);
  align-items: center;
}

.page-products .prod-hero .breadcrumb {
  margin-bottom: var(--sp-4);
  font-size: var(--fs-caption);
  color: rgba(245, 247, 250, 0.72);
}

.page-products .prod-hero .breadcrumb a {
  color: rgba(245, 247, 250, 0.82);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-ios);
}

.page-products .prod-hero .breadcrumb a:hover {
  color: var(--color-gold-end);
}

.page-products .prod-hero .breadcrumb-current {
  color: var(--color-gold-end);
}

.page-products .prod-hero h1 {
  font-size: var(--fs-h1);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: var(--sp-2) 0 var(--sp-3);
}

.page-products .prod-hero-lead {
  font-size: var(--fs-body);
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.86);
  max-width: 54ch;
  margin-bottom: var(--sp-5);
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.page-products .prod-hero-actions .btn-ghost {
  border-color: rgba(245, 247, 250, 0.5);
  color: var(--color-bg-white);
}

.page-products .prod-hero-ticker {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-bottom: var(--sp-5);
}

.page-products .prod-hero-ticker span {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(245, 247, 250, 0.08);
  border: 1px solid rgba(245, 247, 250, 0.2);
  font-size: var(--fs-small);
  color: rgba(245, 247, 250, 0.9);
}

.page-products .prod-hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(245, 247, 250, 0.22);
  padding-top: var(--sp-4);
  gap: var(--sp-3);
}

.page-products .prod-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .prod-stat-num {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #D4A84B, #F2D07B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .prod-stat-label {
  font-size: var(--fs-caption);
  color: rgba(245, 247, 250, 0.72);
}

.page-products .prod-hero-visual {
  position: relative;
  min-height: 220px;
}

.page-products .prod-hero-orbit {
  position: absolute;
  inset: -34px;
  border: 1px dashed rgba(242, 208, 123, 0.42);
  border-radius: 50%;
  animation: prod-spin 30s linear infinite;
  pointer-events: none;
}

.page-products .prod-hero-orbit::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(242, 208, 123, 0.3);
  border-radius: 50%;
}

.page-products .prod-hero-img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  border-radius: var(--radius-cut);
  transform: rotate(1.4deg);
  box-shadow: 0 24px 60px rgba(4, 12, 32, 0.42);
}

@keyframes prod-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ===== 章节导航 ===== */
.page-products .prod-chapter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  padding-top: var(--sp-5);
  padding-bottom: var(--sp-5);
  border-bottom: 1px solid rgba(11, 27, 61, 0.08);
}

.page-products .prod-chapter-nav a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: var(--fs-caption);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg-soft);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-ios), color var(--dur-fast) var(--ease-ios);
}

.page-products .prod-chapter-nav a:hover {
  background: var(--gradient-gold);
  color: var(--color-primary);
}

/* ===== 章节通用 ===== */
.page-products .prod-section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.page-products .prod-section-head .prod-chapter {
  font-size: 64px;
  line-height: 0.9;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(11, 27, 61, 0.28);
  flex: 0 0 auto;
  margin-top: 4px;
}

.page-products .prod-section-head h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-top: var(--sp-2);
}

.page-products .prod-section-desc {
  max-width: 68ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--sp-6);
}

/* ===== 01 核心平台 ===== */
.page-products .prod-core {
  padding: var(--sp-7) 0 var(--sp-6);
}

.page-products .prod-core-grid {
  display: grid;
  gap: var(--sp-4);
}

.page-products .prod-core-card {
  position: relative;
  padding: var(--sp-5);
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--dur-mid) var(--ease-ios), box-shadow var(--dur-mid) var(--ease-ios);
}

.page-products .prod-core-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 46px;
  background: var(--gradient-gold);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  opacity: 0.9;
}

.page-products .prod-core-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(11, 27, 61, 0.12);
}

.page-products .prod-core-tag {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--gradient-gold);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  margin-bottom: var(--sp-4);
}

.page-products .prod-core-card h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-2);
}

.page-products .prod-core-card p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.82);
}

.page-products .prod-core-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px dashed rgba(11, 27, 61, 0.22);
}

.page-products .prod-core-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .prod-core-stat strong {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .prod-core-stat span {
  font-size: var(--fs-caption);
  color: rgba(17, 24, 39, 0.66);
}

/* ===== 02 多端设备 ===== */
.page-products .prod-devices {
  padding: var(--sp-7) 0;
  background: var(--color-bg-soft);
}

.page-products .prod-devices-layout {
  display: grid;
  gap: var(--sp-5);
}

.page-products .prod-devices-media img {
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-card);
}

.page-products .prod-device-grid {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(2, 1fr);
}

.page-products .prod-device-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 61, 0.1);
  overflow: hidden;
  transition: box-shadow var(--dur-mid) var(--ease-ios);
}

.page-products .prod-device-card:hover {
  box-shadow: 0 10px 28px rgba(11, 27, 61, 0.14);
}

.page-products .prod-device-card summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  cursor: pointer;
  list-style: none;
  color: var(--color-primary);
}

.page-products .prod-device-card summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-device-card summary svg {
  flex: 0 0 auto;
  color: var(--color-primary-mid);
}

.page-products .prod-device-card summary span {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-products .prod-device-card[open] summary {
  background: rgba(11, 27, 61, 0.04);
}

.page-products .prod-device-copy {
  padding: 0 var(--sp-4) var(--sp-4);
  animation: prod-fade-in var(--dur-mid) var(--ease-ios);
}

.page-products .prod-device-copy p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.82);
  margin: 0;
}

/* ===== 03 移动端服务清单 ===== */
.page-products .prod-service {
  padding: var(--sp-7) 0;
}

.page-products .prod-service-layout {
  display: grid;
  gap: var(--sp-6);
}

.page-products .prod-service-media img {
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-card);
}

.page-products .prod-filter-panel {
  position: relative;
}

.page-products .prod-filter-target {
  position: relative;
  height: 0;
  display: block;
}

.page-products .prod-filter {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.page-products .prod-filter a {
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  border: 1px solid rgba(11, 27, 61, 0.12);
  color: var(--color-primary);
  font-size: var(--fs-caption);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-ios), color var(--dur-fast) var(--ease-ios);
}

.page-products .prod-filter a:hover {
  border-color: transparent;
}

.page-products #cat-account:target ~ .prod-filter a[href="#cat-account"],
.page-products #cat-data:target ~ .prod-filter a[href="#cat-data"],
.page-products #cat-member:target ~ .prod-filter a[href="#cat-member"],
.page-products #cat-tools:target ~ .prod-filter a[href="#cat-tools"],
.page-products #cat-all:target ~ .prod-filter a[href="#cat-all"] {
  background: var(--gradient-gold);
  border-color: transparent;
  color: var(--color-primary);
}

.page-products .prod-table-wrap {
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 61, 0.1);
  overflow-x: auto;
  background: var(--color-bg-white);
}

.page-products .prod-service-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: var(--fs-body);
}

.page-products .prod-service-table th {
  background: var(--color-primary);
  color: var(--color-bg-white);
  text-align: left;
  padding: var(--sp-3) var(--sp-3);
  font-weight: 600;
  font-size: var(--fs-caption);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.page-products .prod-service-table td {
  padding: var(--sp-2) var(--sp-3);
  border-bottom: 1px solid rgba(11, 27, 61, 0.08);
  color: rgba(17, 24, 39, 0.86);
  white-space: nowrap;
}

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

.page-products .prod-service-table tbody tr:hover {
  background: rgba(30, 58, 110, 0.06);
}

.page-products .prod-service-table .prod-no {
  font-weight: 600;
  color: var(--color-primary-mid);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-service-table tr[data-cat="account"] .prod-no {
  color: var(--color-accent-cyan);
}

.page-products .prod-service-table tr[data-cat="data"] .prod-no {
  color: var(--color-primary-mid);
}

.page-products .prod-service-table tr[data-cat="member"] .prod-no {
  color: #b68a3a;
}

.page-products .prod-service-table tr[data-cat="tools"] .prod-no {
  color: var(--color-accent-red);
}

.page-products #cat-account:target ~ .prod-table-wrap table tbody tr:not([data-cat="account"]),
.page-products #cat-data:target ~ .prod-table-wrap table tbody tr:not([data-cat="data"]),
.page-products #cat-member:target ~ .prod-table-wrap table tbody tr:not([data-cat="member"]),
.page-products #cat-tools:target ~ .prod-table-wrap table tbody tr:not([data-cat="tools"]) {
  display: none;
}

.page-products #cat-all:target ~ .prod-table-wrap table tbody tr {
  display: table-row;
}

/* ===== 04 电脑端支持 ===== */
.page-products .prod-desktop {
  padding: var(--sp-7) 0;
  background: var(--color-primary);
  color: var(--color-bg-white);
}

.page-products .prod-desktop .prod-section-head h2 {
  color: var(--color-bg-white);
}

.page-products .prod-desktop .prod-section-head .prod-chapter {
  -webkit-text-stroke: 1px rgba(245, 247, 250, 0.4);
}

.page-products .prod-desktop .prod-section-desc {
  color: rgba(245, 247, 250, 0.82);
}

.page-products .prod-desktop .section-label {
  color: var(--color-gold-end);
}

.page-products .prod-desktop-layout {
  display: grid;
  gap: var(--sp-5);
}

.page-products .prod-desktop-media img {
  border-radius: var(--radius-cut);
  box-shadow: 0 24px 60px rgba(4, 12, 32, 0.4);
}

.page-products .prod-flow-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  background: rgba(245, 247, 250, 0.08);
  border-radius: var(--radius-md);
  padding: var(--sp-5);
}

.page-products .prod-flow-old,
.page-products .prod-flow-new {
  flex: 1;
}

.page-products .prod-flow-panel h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--color-bg-white);
}

.page-products .prod-flow-old h3 {
  color: rgba(245, 247, 250, 0.56);
}

.page-products .prod-flow-panel ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.page-products .prod-flow-panel li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-body);
  color: rgba(245, 247, 250, 0.88);
}

.page-products .prod-flow-panel li span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: var(--fs-small);
  font-weight: 700;
  flex: 0 0 auto;
}

.page-products .prod-flow-old li span {
  background: rgba(245, 247, 250, 0.16);
  color: rgba(245, 247, 250, 0.7);
}

.page-products .prod-flow-new li span {
  background: var(--gradient-gold);
  color: var(--color-primary);
}

.page-products .prod-flow-arrow {
  text-align: center;
  font-size: var(--fs-h2);
  line-height: 1;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding: var(--sp-2) 0;
}

.page-products .prod-desktop-cta {
  margin-top: var(--sp-6);
  display: flex;
  justify-content: flex-start;
}

/* ===== 05 版本演进 ===== */
.page-products .prod-version {
  padding: var(--sp-7) 0;
}

.page-products .prod-version-media img {
  border-radius: var(--radius-cut);
  box-shadow: var(--shadow-card);
  margin-bottom: var(--sp-6);
}

.page-products .prod-version-layout {
  display: grid;
  gap: var(--sp-5);
}

.page-products .prod-timeline {
  display: grid;
  gap: var(--sp-3);
}

.page-products .prod-version-card {
  border-radius: var(--radius-md);
  border: 1px solid rgba(11, 27, 61, 0.1);
  background: var(--color-bg-soft);
  overflow: hidden;
  transition: box-shadow var(--dur-mid) var(--ease-ios);
}

.page-products .prod-version-card:hover {
  box-shadow: 0 10px 28px rgba(11, 27, 61, 0.12);
}

.page-products .prod-version-card summary {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  cursor: pointer;
  list-style: none;
}

.page-products .prod-version-card summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-vnum {
  flex: 0 0 auto;
  font-weight: 700;
  font-size: var(--fs-caption);
  letter-spacing: 0.04em;
  color: var(--color-primary);
  background: var(--gradient-gold);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
}

.page-products .prod-vname {
  font-size: var(--fs-body);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
}

.page-products .prod-version-copy {
  padding: 0 var(--sp-4) var(--sp-4);
  animation: prod-fade-in var(--dur-mid) var(--ease-ios);
}

.page-products .prod-version-copy p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.82);
}

.page-products .prod-version-aside {
  padding: var(--sp-5);
  border-radius: var(--radius-md);
  background: var(--color-bg-soft);
  border-left: 4px solid #d4a84b;
}

.page-products .prod-version-aside h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: var(--sp-2) 0 var(--sp-2);
}

.page-products .prod-version-aside p {
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(17, 24, 39, 0.82);
  margin-bottom: var(--sp-4);
}

.page-products .prod-version-aside .btn-ghost {
  margin-right: var(--sp-2);
  border-color: rgba(11, 27, 61, 0.3);
  color: var(--color-primary);
}

/* ===== 动效与可访问性 ===== */
@keyframes prod-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-hero-orbit {
    animation: none;
  }
}

/* ===== 平板 ===== */
@media (min-width: 768px) {
  .page-products .prod-hero-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: var(--sp-6);
  }

  .page-products .prod-hero-img {
    width: 100%;
  }

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

  .page-products .prod-core-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .prod-devices-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .prod-device-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .prod-service-layout {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .prod-service-media {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .prod-desktop-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .prod-flow-panel {
    flex-direction: row;
    align-items: center;
  }

  .page-products .prod-flow-arrow {
    padding: 0 var(--sp-3);
  }

  .page-products .prod-version-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1100px) {
  .page-products .prod-hero {
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: var(--sp-8);
  }

  .page-products .prod-hero h1 {
    font-size: var(--fs-display);
  }

  .page-products .prod-hero-lead {
    font-size: var(--fs-h3);
    max-width: 40ch;
  }

  .page-products .prod-section-head .prod-chapter {
    font-size: 96px;
  }

  .page-products .prod-core,
  .page-products .prod-devices,
  .page-products .prod-service,
  .page-products .prod-desktop,
  .page-products .prod-version {
    padding: var(--sp-8) 0;
  }

  .page-products .prod-version-media img {
    width: 100%;
  }

  .page-products .prod-service-table th,
  .page-products .prod-service-table td {
    padding-left: var(--sp-4);
    padding-right: var(--sp-4);
  }
}