/* ===== 应用中心 / page-products ===== */
.page-products {
  --pp-panel: #161D45;
  --pp-hair: rgba(43, 54, 112, 0.7);
  --pp-soft: rgba(49, 225, 210, 0.1);
  --pp-green-soft: rgba(123, 242, 107, 0.16);
}

/* ---------- 页首 ---------- */
.page-products .pp-head {
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-products .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-products .breadcrumbs-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumbs-list a {
  color: var(--muted);
  text-decoration: none;
}

.page-products .breadcrumbs-list a:hover {
  color: var(--cyan);
}

.page-products .breadcrumbs-list [aria-current="page"] {
  color: var(--cyan);
}

.page-products .pp-kicker {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pp-headline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 7.4vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 20ch;
}

.page-products .pp-lede {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 页内索引 ---------- */
.page-products .pp-index-nav {
  margin-top: 32px;
}

.page-products .pp-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-index li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  background: var(--ink);
  padding: 11px 14px;
}

.page-products .pp-index-coord {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-index a {
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
}

.page-products .pp-index a:hover,
.page-products .pp-index a:focus-visible {
  color: var(--cyan);
}

/* ---------- 章节骨架 ---------- */
.page-products .pp-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-section:last-of-type {
  border-bottom: 0;
}

.page-products .pp-section-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 26px;
}

.page-products .pp-coord {
  flex: none;
  padding: 4px 7px;
  border: 1px solid var(--line);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  background: var(--pp-soft);
}

.page-products .pp-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .pp-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 4.4vw, 36px);
  line-height: 1.22;
  color: var(--white);
  max-width: 26ch;
}

.page-products .pp-subtitle {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.35;
  color: var(--white);
}

/* ---------- 正文与列表 ---------- */
.page-products .pp-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 70ch;
}

.page-products .pp-text--wide {
  max-width: 78ch;
  margin-bottom: 26px;
}

.page-products .pp-text a,
.page-products .pp-note a,
.page-products .pp-card-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 225, 210, 0.4);
}

.page-products .pp-text a:hover,
.page-products .pp-note a:hover,
.page-products .pp-card-text a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .pp-note {
  margin: 26px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 138, 61, 0.07);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 76ch;
}

.page-products .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .pp-ordered {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-ordered li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-ordered-num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

/* ---------- 分栏 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-products .pp-split-body {
  min-width: 0;
}

.page-products .pp-split-media {
  min-width: 0;
}

/* ---------- 标签切换 ---------- */
.page-products .pp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .pp-tabs .tab {
  appearance: none;
  -webkit-appearance: none;
  background: var(--pp-panel);
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.2;
  padding: 9px 14px;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.page-products .pp-tabs .tab:hover {
  color: var(--white);
  border-color: var(--cyan);
}

.page-products .pp-tabs .tab[aria-selected="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--pp-soft);
}

.page-products .pp-panel p {
  margin: 0 0 14px;
}

/* ---------- 数据条 ---------- */
.page-products .pp-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 30px;
}

.page-products .pp-stat {
  background: var(--ink-2);
  padding: 18px 16px 16px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .pp-stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .pp-stat-label {
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-products .pp-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .pp-figure::before,
.page-products .pp-figure::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-products .pp-figure::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--cyan);
  border-left: 1px solid var(--cyan);
}

.page-products .pp-figure::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--cyan);
  border-right: 1px solid var(--cyan);
}

.page-products .pp-figure-media {
  overflow: hidden;
  background: linear-gradient(180deg, var(--rise), var(--ink-2) 62%);
}

.page-products .pp-figure-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-figure-cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.page-products .pp-figure--wide {
  margin-bottom: 26px;
}

.page-products .pp-figure--wide-soft {
  margin-top: 22px;
}

.page-products .pp-figure--tall .pp-figure-media img {
  aspect-ratio: 720 / 1280;
}

/* ---------- 表格 ---------- */
.page-products .pp-table-frame {
  border: 1px solid var(--line);
  background: var(--ink-2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pp-table caption {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .pp-table th {
  text-align: left;
  padding: 11px 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border-bottom: 1px solid var(--line);
  font-weight: 500;
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--pp-hair);
  color: var(--white);
  line-height: 1.6;
}

.page-products .pp-table td:last-child {
  color: var(--muted);
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(43, 54, 112, 0.22);
}

.page-products .pp-table tbody tr:hover {
  background: var(--pp-soft);
}

.page-products .pp-num {
  font-size: 12px;
  color: var(--muted);
}

.page-products .pp-field-en {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 侧栏说明 ---------- */
.page-products .pp-aside {
  border: 1px solid var(--line);
  background: var(--ink-2);
  padding: 20px 18px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pp-aside-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-products .pp-aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 导出流程 ---------- */
.page-products .pp-flow {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-flow-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--rise), rgba(27, 42, 107, 0) 78%), var(--ink-2);
}

.page-products .pp-flow-index {
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-products .pp-flow-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-products .pp-flow-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pp-format-block {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px dashed var(--line);
}

/* ---------- 三步订阅 ---------- */
.page-products .pp-steps {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .pp-step-index {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--cyan);
  background: var(--pp-soft);
  color: var(--cyan);
  font-size: 14px;
}

.page-products .pp-step-title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-products .pp-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 字号演示 ---------- */
.page-products .pp-size-demo {
  margin-top: 22px;
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-products .pp-size-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-products .pp-size-sample {
  margin: 0;
  padding: 12px 14px;
  border: 1px dashed var(--line);
  background: var(--ink);
  color: var(--white);
  font-variant-numeric: tabular-nums;
  line-height: 1.7;
}

.page-products .pp-size-sample--s {
  font-size: 14px;
}

.page-products .pp-size-sample--m {
  font-size: 17px;
}

.page-products .pp-size-sample--l {
  font-size: 21px;
}

/* ---------- 状态时间轴 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-timeline li {
  position: relative;
  padding: 0 0 22px 28px;
}

.page-products .pp-timeline li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px var(--pp-green-soft);
}

.page-products .pp-timeline li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 20px;
  bottom: 2px;
  width: 1px;
  background: var(--line);
}

.page-products .pp-timeline li:last-child {
  padding-bottom: 0;
}

.page-products .pp-timeline li:last-child::after {
  display: none;
}

.page-products .pp-timeline-time {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pp-timeline-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}

.page-products .pp-timeline-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 卡片 ---------- */
.page-products .pp-card-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pp-card {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-products .pp-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), rgba(49, 225, 210, 0));
}

.page-products .pp-card-tag {
  justify-self: start;
  margin: 0;
  padding: 4px 9px;
  border: 1px solid var(--line);
  background: var(--ink);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pp-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.35;
  color: var(--white);
}

.page-products .pp-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 用法流程卡 ---------- */
.page-products .pp-flow-card {
  padding: 22px 20px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pp-flow-card-label {
  justify-self: start;
  margin: 0;
  padding: 4px 9px;
  border: 1px solid var(--orange);
  background: rgba(255, 138, 61, 0.1);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pp-flow-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.35;
  color: var(--white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pp-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-card-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .pp-head {
    padding: 52px 0 46px;
  }

  .page-products .pp-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pp-section {
    padding: 62px 0;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-products .pp-split--media-left {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  }

  .page-products .pp-split--even {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pp-split--media-right > .pp-split-media,
  .page-products .pp-split--media-left > .pp-split-media {
    position: sticky;
    top: 96px;
  }

  .page-products .pp-section-head {
    gap: 20px;
    margin-bottom: 32px;
  }
}

@media (max-width: 420px) {
  .page-products .pp-headline {
    font-size: 30px;
  }

  .page-products .pp-tabs .tab {
    flex: 1 1 100%;
    text-align: left;
  }

  .page-products .pp-flow-item,
  .page-products .pp-step {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}