.page-privacy {
  --pp-line: 2px;
  --pp-ink-soft: #1d2027;
  display: block;
  background: var(--white);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 56px;
  background:
    radial-gradient(130% 150% at 92% -10%, rgba(33, 240, 214, .16) 0%, rgba(33, 240, 214, 0) 46%),
    linear-gradient(150deg, var(--deep) 0%, var(--indigo) 62%, var(--deep) 100%);
  color: var(--white);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  left: -14%;
  bottom: -60%;
  width: 78%;
  height: 190%;
  background: linear-gradient(90deg, rgba(255, 77, 28, .22), rgba(255, 138, 61, .04));
  transform: rotate(-24deg);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--flame) 0%, var(--amber) 42%, var(--cyan) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__crumbs {
  margin-bottom: 24px;
}

.page-privacy .privacy-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: var(--pp-line) solid rgba(33, 240, 214, .5);
  padding: 4px 10px;
  border-radius: var(--r-sharp);
  margin: 0;
}

.page-privacy .privacy-hero__title {
  margin: 18px 0 0;
  max-width: 18ch;
  font-family: var(--font-sans);
  font-size: clamp(34px, 8.6vw, 78px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__title em {
  font-style: normal;
  color: var(--flame);
  display: inline-block;
}

.page-privacy .privacy-hero__lede {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-privacy .privacy-hero__meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ice);
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(168, 255, 242, .34);
  border-radius: var(--r-pill);
  padding: 5px 12px;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-banner {
  margin: 0;
  background: var(--deep);
  line-height: 0;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  object-position: center;
}

/* ---------- 摘要卡 ---------- */
.page-privacy .privacy-brief {
  background: var(--white);
  padding: 32px 0 8px;
}

.page-privacy .privacy-brief__card {
  position: relative;
  background: #ffffff;
  border: var(--pp-line) solid var(--ink);
  border-radius: var(--r-sharp);
  box-shadow: var(--shadow-hard);
  padding: 24px 20px 22px;
}

.page-privacy .privacy-brief__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--flame);
}

.page-privacy .privacy-brief__title {
  margin: 8px 0 0;
  font-size: clamp(20px, 4.6vw, 28px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .brief-grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-privacy .brief-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-top: 13px;
  border-top: 1px solid rgba(17, 19, 24, .16);
  min-width: 0;
}

.page-privacy .brief-item__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--indigo);
  background: rgba(33, 240, 214, .3);
  border-radius: var(--r-sharp);
  padding: 3px 6px;
  line-height: 1.3;
}

.page-privacy .brief-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pp-ink-soft);
}

/* ---------- 文档区布局 ---------- */
.page-privacy .privacy-doc {
  background: var(--white);
  padding: 40px 0 72px;
}

.page-privacy .privacy-doc__layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

/* ---------- 左侧目录 ---------- */
.page-privacy .privacy-toc {
  background: #ffffff;
  border: var(--pp-line) solid var(--ink);
  border-radius: var(--r-sharp);
  box-shadow: 4px 4px 0 rgba(255, 77, 28, .34);
  padding: 16px 14px 16px;
}

.page-privacy .privacy-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--steel);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 9px;
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: background var(--dur), border-color var(--dur), color var(--dur);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: #eef1f6;
  border-left-color: var(--amber);
  outline: none;
}

.page-privacy .privacy-toc__list a[aria-current="true"] {
  background: rgba(255, 77, 28, .1);
  border-left-color: var(--flame);
  font-weight: 700;
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  font-weight: 700;
  color: var(--flame);
}

.page-privacy .privacy-toc__label {
  min-width: 0;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .doc-section {
  padding-top: 26px;
  border-top: var(--pp-line) solid var(--ink);
  margin-top: 40px;
  scroll-margin-top: 110px;
}

.page-privacy .doc-section:first-child {
  margin-top: 0;
  padding-top: 22px;
}

.page-privacy .doc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .doc-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--flame);
  border-bottom: 3px solid var(--flame);
  padding-bottom: 2px;
}

.page-privacy .doc-section__title {
  margin: 0;
  font-size: clamp(20px, 4.8vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .doc-section p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--pp-ink-soft);
}

.page-privacy .doc-sub {
  margin: 24px 0 10px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
  padding-left: 10px;
  border-left: 4px solid var(--cyan);
}

.page-privacy .doc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 62ch;
}

.page-privacy .doc-list--roomy {
  gap: 14px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 10px;
  height: 3px;
  background: var(--flame);
}

.page-privacy .doc-list li strong {
  color: var(--ink);
  font-weight: 800;
}

.page-privacy .doc-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 18px;
}

.page-privacy .doc-keys__item {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 5px 12px;
  border: var(--pp-line) solid var(--ink);
  border-radius: var(--r-sharp);
  background: var(--white);
  color: var(--ink);
}

.page-privacy .doc-keys__item--flame {
  background: var(--flame);
  border-color: var(--lava);
  color: #ffffff;
  box-shadow: 3px 3px 0 rgba(17, 19, 24, .85);
}

.page-privacy .doc-takeaway {
  margin: 18px 0 0;
  max-width: 62ch;
  padding: 12px 14px;
  border-left: 4px solid var(--flame);
  background: #eef1f6;
  font-size: 15px;
  line-height: 1.72;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- 用途三段 ---------- */
.page-privacy .usage-stack {
  display: grid;
  gap: 14px;
  margin: 0 0 6px;
}

.page-privacy .usage-row {
  background: #ffffff;
  border: var(--pp-line) solid var(--ink);
  border-left: 8px solid var(--indigo);
  border-radius: var(--r-sharp);
  padding: 16px 16px 14px;
}

.page-privacy .usage-row__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lava);
  margin-bottom: 8px;
}

.page-privacy .usage-row p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

/* ---------- 联系方式块 ---------- */
.page-privacy .contact-block {
  margin: 20px 0 24px;
  background: var(--deep);
  border: var(--pp-line) solid var(--ink);
  border-radius: var(--r-sharp);
  box-shadow: var(--shadow-hard);
  padding: 20px 18px 18px;
  display: grid;
  gap: 12px;
}

.page-privacy .contact-row {
  display: grid;
  gap: 2px;
  padding-bottom: 11px;
  border-bottom: 1px solid rgba(168, 255, 242, .2);
}

.page-privacy .contact-row:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .contact-row__label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .contact-row__value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-privacy .contact-block__note {
  margin: 2px 0 0;
  max-width: 60ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
}

/* ---------- 相关入口 ---------- */
.page-privacy .related-links {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
}

.page-privacy .related-links__item {
  display: block;
  padding: 13px 15px;
  border: var(--pp-line) solid var(--ink);
  border-radius: var(--r-sharp);
  background: #ffffff;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  transition: transform var(--dur), box-shadow var(--dur), background var(--dur);
}

.page-privacy .related-links__item:hover,
.page-privacy .related-links__item:focus-visible {
  background: #fff3ee;
  transform: translate(-3px, -3px);
  box-shadow: 5px 5px 0 rgba(255, 77, 28, .55);
  outline: none;
}

.page-privacy .doc-icp {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

/* ---------- 显现动效 ---------- */
.page-privacy [data-reveal] {
  opacity: 1;
}

:where(.js-ready) .page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}

:where(.js-ready) .page-privacy [data-reveal].is-inview {
  opacity: 1;
  transform: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-brief {
    padding: 44px 0 10px;
  }

  .page-privacy .privacy-brief__card {
    padding: 30px 28px 28px;
  }

  .page-privacy .brief-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px 30px;
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: 1fr 1fr;
    gap: 4px 10px;
  }

  .page-privacy .contact-row {
    grid-template-columns: 112px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-privacy .related-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-hero {
    padding: 128px 0 74px;
  }

  .page-privacy .privacy-hero__lede {
    font-size: 17px;
  }

  .page-privacy .privacy-doc {
    padding: 56px 0 96px;
  }

  .page-privacy .privacy-doc__layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 68px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 100px;
    padding: 18px 16px;
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-privacy .contact-block {
    padding: 26px 24px 24px;
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-doc__layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 88px;
  }

  .page-privacy .privacy-body {
    max-width: 780px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal],
  :where(.js-ready) .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-privacy .related-links__item {
    transition: none;
  }
}