.page-privacy {
  --pp-doc: 720px;
  --pp-aside: 248px;
  --pp-gap: clamp(30px, 5vw, 64px);
  padding-top: var(--k5-header-h);
  background: var(--k5-black);
  color: var(--k5-text);
  font-family: var(--k5-font-body);
}

.page-privacy .pp-hero {
  padding: clamp(28px, 4vw, 56px) 0 clamp(8px, 2vw, 16px);
}

.page-privacy .k5-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-privacy .pp-hero__intro {
  max-width: 800px;
}

.page-privacy .k5-eyebrow {
  margin: 0 0 14px;
  font-family: var(--k5-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--k5-cyan);
  text-transform: uppercase;
}

.page-privacy .pp-hero__title {
  margin: 0;
  font-family: var(--k5-font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--k5-white);
}

.page-privacy .pp-hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--k5-cyan), var(--k5-violet) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-privacy .pp-hero__lede {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--k5-text);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 24px;
}

.page-privacy .pp-hero__meta-text {
  font-family: var(--k5-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: rgba(201, 206, 219, 0.66);
}

/* 首屏信息图摘要卡 */
.page-privacy .pp-summary {
  position: relative;
  margin-top: clamp(30px, 4vw, 46px);
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r-lg);
  background: var(--k5-panel);
  overflow: hidden;
}

.page-privacy .pp-summary__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.34;
  pointer-events: none;
}

.page-privacy .pp-summary__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .pp-summary::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(139, 92, 246, 0.3), transparent 58%),
    radial-gradient(100% 80% at 94% 100%, rgba(34, 211, 238, 0.2), transparent 62%),
    linear-gradient(180deg, rgba(6, 7, 11, 0.32), rgba(6, 7, 11, 0.86));
}

.page-privacy .pp-summary__head {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
}

.page-privacy .pp-summary__title {
  margin: 0;
  font-family: var(--k5-font-serif);
  font-weight: 600;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--k5-white);
}

.page-privacy .pp-summary__note {
  margin: 0;
  font-family: var(--k5-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: rgba(201, 206, 219, 0.66);
}

.page-privacy .pp-summary__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--k5-line);
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r);
  overflow: hidden;
}

.page-privacy .pp-summary__item {
  padding: 18px 16px;
  background: rgba(17, 19, 28, 0.88);
  transition: background-color 0.22s var(--k5-ease);
}

.page-privacy .pp-summary__item:hover {
  background: rgba(27, 16, 48, 0.9);
}

.page-privacy .pp-summary__idx {
  display: block;
  font-family: var(--k5-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--k5-cyan);
}

.page-privacy .pp-summary__name {
  margin: 8px 0 6px;
  font-family: var(--k5-font-display);
  font-weight: 900;
  font-size: 15.5px;
  letter-spacing: -0.01em;
  color: var(--k5-white);
}

.page-privacy .pp-summary__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--k5-text);
}

/* 正文与目录 */
.page-privacy .pp-body {
  padding: clamp(40px, 6vw, 82px) 0 clamp(56px, 8vw, 110px);
}

.page-privacy .pp-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  align-items: start;
}

.page-privacy .pp-doc {
  max-width: var(--pp-doc);
  min-width: 0;
}

.page-privacy .pp-chapter {
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--k5-line-soft);
  scroll-margin-top: calc(var(--k5-header-h) + 20px);
}

.page-privacy .pp-chapter:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-chapter + .pp-chapter {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-privacy .pp-chapter__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--k5-font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  letter-spacing: 0.1em;
  color: rgba(34, 211, 238, 0.85);
}

.page-privacy .pp-chapter__title {
  margin: 0 0 16px;
  font-family: var(--k5-font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--k5-white);
}

.page-privacy .pp-subtitle {
  margin: 28px 0 12px;
  font-family: var(--k5-font-serif);
  font-weight: 600;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
  color: var(--k5-white);
}

.page-privacy .pp-doc p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--k5-text);
}

.page-privacy .pp-doc p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-doc strong {
  color: var(--k5-white);
  font-weight: 600;
}

.page-privacy .pp-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--k5-text);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.74em;
  width: 6px;
  height: 6px;
  background: var(--k5-cyan);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-privacy .pp-steps {
  counter-reset: pp-step;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-steps li {
  counter-increment: pp-step;
  position: relative;
  margin-bottom: 12px;
  padding-left: 36px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--k5-text);
}

.page-privacy .pp-steps li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--k5-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--k5-orange);
}

/* 表格 */
.page-privacy .pp-table-wrap {
  margin: 20px 0 22px;
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r);
  background: var(--k5-panel);
  overflow-x: auto;
}

.page-privacy .pp-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-privacy .pp-table__caption {
  padding: 14px 16px 0;
  text-align: left;
  font-family: var(--k5-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(201, 206, 219, 0.6);
}

.page-privacy .pp-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--k5-font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--k5-cyan);
  white-space: nowrap;
  background: rgba(139, 92, 246, 0.08);
  border-bottom: 1px solid rgba(139, 92, 246, 0.45);
}

.page-privacy .pp-table td {
  padding: 13px 16px;
  vertical-align: top;
  line-height: 1.7;
  color: var(--k5-text);
  border-bottom: 1px solid var(--k5-line-soft);
}

.page-privacy .pp-table td:first-child {
  color: var(--k5-white);
  font-weight: 600;
}

.page-privacy .pp-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.022);
}

.page-privacy .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 纸白提示块 */
.page-privacy .pp-callout {
  margin: 22px 0;
  padding: 18px 20px;
  border-left: 3px solid var(--k5-orange);
  border-radius: var(--k5-r);
  background: var(--k5-paper);
  color: var(--k5-ink);
  font-size: 14.5px;
  line-height: 1.8;
}

/* 术语展开 */
.page-privacy .pp-term {
  margin: 16px 0 20px;
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r-sm);
  background: rgba(17, 19, 28, 0.68);
  transition: border-color 0.22s var(--k5-ease);
}

.page-privacy .pp-term:hover,
.page-privacy .pp-term[open] {
  border-color: rgba(139, 92, 246, 0.6);
}

.page-privacy .pp-term > summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--k5-white);
}

.page-privacy .pp-term > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-term > summary::after {
  content: "+";
  flex: none;
  font-family: var(--k5-font-mono);
  font-size: 16px;
  color: var(--k5-cyan);
}

.page-privacy .pp-term[open] > summary::after {
  content: "–";
}

.page-privacy .pp-term__body {
  padding: 0 16px 15px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--k5-text);
  border-top: 1px solid var(--k5-line-soft);
  padding-top: 12px;
  margin-top: 2px;
}

/* 联系块 */
.page-privacy .pp-contact {
  margin: 18px 0 14px;
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r);
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.12), rgba(34, 211, 238, 0.05));
  overflow: hidden;
}

.page-privacy .pp-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--k5-line-soft);
}

.page-privacy .pp-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .pp-contact__key {
  font-family: var(--k5-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--k5-cyan);
}

.page-privacy .pp-contact__val {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--k5-white);
  word-break: break-word;
}

.page-privacy .pp-contact__note {
  margin: 0;
  font-size: 14px !important;
  line-height: 1.8;
  color: rgba(201, 206, 219, 0.78);
}

/* 页尾跳转条 */
.page-privacy .pp-cta {
  display: grid;
  gap: 20px;
  margin-top: clamp(40px, 6vw, 66px);
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r-lg);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.18), rgba(34, 211, 238, 0.05) 70%);
}

.page-privacy .pp-cta__title {
  margin: 0 0 8px;
  font-family: var(--k5-font-display);
  font-weight: 900;
  font-size: clamp(19px, 2.3vw, 24px);
  letter-spacing: -0.02em;
  color: var(--k5-white);
}

.page-privacy .pp-cta__text p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--k5-text);
}

.page-privacy .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 目录锚点 */
.page-privacy .pp-toc {
  border: 1px solid var(--k5-line);
  border-radius: var(--k5-r);
  background: rgba(17, 19, 28, 0.72);
  padding: 18px;
}

.page-privacy .pp-toc__title {
  margin: 0;
  font-family: var(--k5-font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: rgba(201, 206, 219, 0.62);
}

.page-privacy .pp-toc__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc__list li + li {
  margin-top: 2px;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 6px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--k5-text);
  text-decoration: none;
  transition: color 0.2s var(--k5-ease), background-color 0.2s var(--k5-ease), border-color 0.2s var(--k5-ease);
}

.page-privacy .pp-toc__num {
  font-family: var(--k5-font-mono);
  font-size: 11px;
  color: rgba(34, 211, 238, 0.8);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--k5-white);
  background: rgba(139, 92, 246, 0.16);
  border-left-color: var(--k5-violet);
}

.page-privacy .pp-toc__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--k5-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(201, 206, 219, 0.72);
  word-break: break-word;
}

.page-privacy .pp-toc__foot p {
  margin: 0 0 4px;
}

.page-privacy .pp-toc__foot p:last-child {
  margin-bottom: 0;
}

.page-privacy .k5-link {
  color: var(--k5-cyan);
}

.page-privacy .pp-callout .k5-link,
.page-privacy .pp-contact .k5-link {
  color: var(--k5-violet);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-privacy .pp-summary__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-privacy .pp-contact__row {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-privacy .pp-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-privacy .pp-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-privacy .pp-summary__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-privacy .pp-body__grid {
    grid-template-columns: minmax(0, 1fr) var(--pp-aside);
    gap: clamp(40px, 4vw, 72px);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--k5-header-h) + 24px);
    max-height: calc(100vh - var(--k5-header-h) - 48px);
    overflow-y: auto;
  }
}

@media (max-width: 420px) {
  .page-privacy .pp-summary {
    padding: 18px 14px;
  }

  .page-privacy .pp-cta__actions .k5-btn {
    width: 100%;
    text-align: center;
  }
}

/* 打印 */
@media print {
  .page-privacy {
    padding-top: 0;
    background: #ffffff;
    color: #1a1c24;
  }

  .page-privacy .pp-summary::after,
  .page-privacy .pp-summary__bg,
  .page-privacy .pp-toc,
  .page-privacy .pp-cta,
  .page-privacy .pp-term > summary::after {
    display: none !important;
  }

  .page-privacy .pp-summary,
  .page-privacy .pp-term,
  .page-privacy .pp-contact,
  .page-privacy .pp-table-wrap {
    background: #ffffff;
    border-color: #c9cedb;
  }

  .page-privacy .pp-summary__item {
    background: #ffffff;
  }

  .page-privacy .pp-hero__title,
  .page-privacy .pp-summary__title,
  .page-privacy .pp-chapter__title,
  .page-privacy .pp-subtitle,
  .page-privacy .pp-doc strong,
  .page-privacy .pp-contact__val,
  .page-privacy .pp-table td:first-child {
    color: #1a1c24;
  }

  .page-privacy .pp-hero__title em {
    color: #1a1c24;
    background: none;
    -webkit-text-fill-color: #1a1c24;
  }

  .page-privacy .pp-chapter__num,
  .page-privacy .pp-summary__idx,
  .page-privacy .pp-toc__num,
  .page-privacy .pp-table th {
    color: #4c3e8f;
  }

  .page-privacy .pp-doc p,
  .page-privacy .pp-list li,
  .page-privacy .pp-steps li,
  .page-privacy .pp-table td {
    color: #1a1c24;
  }

  .page-privacy .pp-chapter {
    page-break-inside: avoid;
  }
}
<<<END>>>