.page-privacy {
  --privacy-side: 268px;
  --privacy-gap: 56px;
  --privacy-top: calc(var(--topbar-h) + var(--mainbar-h) + 22px);

  background: var(--ink-900);
  color: var(--white);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.2vw, 46px) 0 clamp(24px, 4vw, 44px);
  background:
    radial-gradient(120% 100% at 88% -20%, rgba(55, 230, 200, .18), transparent 62%),
    radial-gradient(90% 80% at 4% 118%, rgba(255, 106, 43, .10), transparent 58%),
    linear-gradient(180deg, #041a15 0%, var(--ink-900) 46%, var(--ink-800) 100%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-2) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 76%);
  pointer-events: none;
}

.page-privacy .privacy-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  max-width: 880px;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 54px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.022em;
  color: var(--white);
}

.page-privacy .privacy-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--gray);
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  background: rgba(14, 18, 17, .78);
}

.page-privacy .fact-num {
  flex: none;
  font-family: var(--font-num);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}

.page-privacy .fact-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--gray);
}

.page-privacy .privacy-hero__figure {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  filter: saturate(.85) contrast(1.05);
}

/* ---------- 说明书式布局 ---------- */

.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  align-items: start;
  padding: clamp(26px, 4.4vw, 58px) 0 clamp(46px, 7vw, 92px);
}

/* ---------- 目录侧栏 ---------- */

.page-privacy .doc-nav {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(14, 18, 17, .66);
}

.page-privacy .doc-nav__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gray);
}

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

.page-privacy .doc-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 14px;
  color: var(--gray);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .doc-nav__link:hover,
.page-privacy .doc-nav__link:focus-visible {
  color: var(--white);
  border-left-color: var(--neon);
  background: rgba(55, 230, 200, .08);
}

.page-privacy .doc-nav__no {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--neon);
}

.page-privacy .doc-nav__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--gray);
}

.page-privacy .doc-nav__note a {
  color: var(--neon);
}

/* ---------- 正文 ---------- */

.page-privacy .doc-body {
  min-width: 0;
}

.page-privacy .clause {
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--privacy-top);
}

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

.page-privacy .clause__no {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}

.page-privacy .clause__title {
  margin: 9px 0 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-privacy .clause__lede {
  margin: 12px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 条目清单 ---------- */

.page-privacy .term-list {
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .term-list > div {
  padding: 15px 0 15px 20px;
  border-top: 1px solid var(--line-2);
  border-left: 2px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .term-list > div:first-child {
  border-top: 0;
}

.page-privacy .term-list > div:hover {
  border-left-color: var(--neon);
  background: linear-gradient(90deg, rgba(55, 230, 200, .07), transparent 72%);
}

.page-privacy .term-list dt {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--white);
}

.page-privacy .term-list dt::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--signal);
  vertical-align: middle;
}

.page-privacy .term-list dd {
  margin: 7px 0 0 15px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 用途三栏 ---------- */

.page-privacy .use-grid {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .use-grid > article {
  position: relative;
  padding: 18px 18px 20px;
  background: var(--ink-800);
}

.page-privacy .use-grid > article::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-privacy .use-grid > article:hover::before {
  transform: scaleY(1);
}

.page-privacy .use-grid h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
  color: var(--white);
}

.page-privacy .use-grid p {
  margin: 9px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 步骤 ---------- */

.page-privacy .steps {
  counter-reset: step;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .steps li {
  counter-increment: step;
  position: relative;
  padding-left: 52px;
}

.page-privacy .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--signal);
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 700;
  color: var(--lime);
}

.page-privacy .steps strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15.5px;
  color: var(--white);
}

.page-privacy .steps span {
  display: block;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--gray);
}

/* ---------- 折叠条款 ---------- */

.page-privacy .fold {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(18, 58, 51, .42), rgba(14, 18, 17, .82));
  overflow: hidden;
}

.page-privacy .fold__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  transition: background var(--dur) var(--ease);
}

.page-privacy .fold__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .fold__summary::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--neon);
  border-bottom: 2px solid var(--neon);
  transform: rotate(-45deg);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .fold[open] > .fold__summary::before {
  transform: rotate(45deg);
}

.page-privacy .fold__summary::after {
  content: "展开";
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-privacy .fold[open] > .fold__summary::after {
  content: "收起";
}

.page-privacy .fold__summary:hover {
  background: rgba(55, 230, 200, .07);
}

.page-privacy .fold__body {
  margin: 0;
  padding: 14px 18px 18px 33px;
  border-top: 1px solid var(--line-2);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray);
}

.page-privacy .fold__body p {
  margin: 0 0 10px;
}

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

/* ---------- 要点清单 ---------- */

.page-privacy .keeps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .keeps li {
  position: relative;
  padding: 14px 0 14px 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--gray);
}

.page-privacy .keeps li + li {
  border-top: 1px solid var(--line-2);
}

.page-privacy .keeps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 10px;
  height: 2px;
  background: var(--neon);
}

.page-privacy .keeps strong {
  color: var(--white);
}

/* ---------- 联系面板 ---------- */

.page-privacy .reach {
  margin: 24px 0 0;
  padding: 16px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(135deg, rgba(18, 58, 51, .58), rgba(14, 18, 17, .92));
}

.page-privacy .reach__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 10px 0;
}

.page-privacy .reach__row + .reach__row {
  border-top: 1px solid var(--line-2);
}

.page-privacy .reach__label {
  flex: none;
  min-width: 74px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-privacy .reach__value {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-privacy .reach__value--mono {
  font-family: var(--font-num);
  font-size: 15px;
  color: var(--lime);
  word-break: break-all;
}

.page-privacy .reach__value a {
  color: var(--neon);
}

.page-privacy .reach__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-2);
  font-size: 13px;
  line-height: 1.72;
  color: var(--gray);
}

/* ---------- 延伸入口 ---------- */

.page-privacy .next-links {
  margin: clamp(30px, 4vw, 46px) 0 0;
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line);
}

.page-privacy .next-links__title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .16em;
  color: var(--gray);
}

.page-privacy .next-links__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .next-links__list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 15px 17px;
  background: var(--ink-800);
  color: var(--white);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 700;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .next-links__list a:hover,
.page-privacy .next-links__list a:focus-visible {
  background: var(--ink-700);
  color: var(--neon);
}

.page-privacy .next-links__list span {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */

@media (max-width: 999px) {
  .page-privacy .doc-nav {
    padding: 14px 14px 16px;
  }

  .page-privacy .doc-nav__list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .page-privacy .doc-nav__link {
    padding: 7px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    white-space: nowrap;
  }

  .page-privacy .doc-nav__link:hover,
  .page-privacy .doc-nav__link:focus-visible {
    border-color: var(--neon);
  }

  .page-privacy .doc-nav__note {
    margin-top: 12px;
  }
}

@media (min-width: 720px) {
  .page-privacy .use-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .next-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .doc-layout {
    grid-template-columns: var(--privacy-side) minmax(0, 1fr);
    gap: var(--privacy-gap);
  }

  .page-privacy .doc-nav {
    position: sticky;
    top: var(--privacy-top);
  }

  .page-privacy .doc-body {
    max-width: 840px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-nav__link,
  .page-privacy .term-list > div,
  .page-privacy .use-grid > article::before,
  .page-privacy .fold__summary,
  .page-privacy .fold__summary::before,
  .page-privacy .next-links__list a {
    transition-duration: .01ms;
  }
}