.page-privacy {
  background: var(--paper);
  color: var(--ink);
  --p-line: rgba(11, 20, 24, .13);
  --p-line-strong: rgba(11, 20, 24, .3);
  --p-muted: #4E6166;
}

/* ---------- 面包屑 ---------- */
.page-privacy__crumbbar {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-privacy .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0;
  padding: .62rem 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--mono-gray);
}

.page-privacy .crumbs__list > li {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin: 0;
}

.page-privacy .crumbs__list > li + li::before {
  content: "/";
  color: var(--mono-gray);
}

.page-privacy .crumbs__link {
  color: var(--mist);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .crumbs__link:hover,
.page-privacy .crumbs__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-privacy .crumbs__link[aria-current="page"] {
  color: var(--lime);
  border-bottom-color: rgba(200, 242, 38, .5);
}

/* ---------- 首屏 ---------- */
.page-privacy__hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.7rem, 4.4vw, 3.2rem) 0 clamp(2rem, 5vw, 3.6rem);
  border-bottom: 1px solid var(--line-strong);
  background:
    radial-gradient(115% 120% at 92% -10%, rgba(36, 96, 92, .62), transparent 60%),
    radial-gradient(80% 100% at 0% 110%, rgba(46, 123, 255, .16), transparent 62%),
    var(--ink);
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .45;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 42%, transparent);
  mask-image: linear-gradient(to bottom, transparent, #000 42%, transparent);
}

.privacy-hero {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: end;
}

.privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.privacy-hero__code {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.privacy-hero__title {
  margin: .85rem 0 0;
  font-size: clamp(2.5rem, 8vw, 4.6rem);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: .94;
  color: var(--white);
}

.privacy-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 32rem;
  font-size: clamp(.95rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: var(--mist);
}

.privacy-hero__figure {
  margin: 0;
}

.page-privacy .media-frame {
  border-color: var(--line-strong);
}

.page-privacy .media-frame__cap {
  color: var(--mono-gray);
}

/* ---------- 两栏骨架 ---------- */
.privacy-layout {
  display: flex;
  flex-direction: column;
  gap: clamp(1.6rem, 4vw, 2rem);
  padding: clamp(2rem, 5vw, 3.4rem) 0 clamp(3rem, 6vw, 5rem);
}

.privacy-main {
  max-width: 42rem;
  min-width: 0;
}

/* ---------- 章节索引 ---------- */
.privacy-index {
  order: -1;
  padding-top: .95rem;
  border-top: 2px solid var(--p-line-strong);
}

.privacy-index__label {
  margin: 0;
  font-size: .7rem;
  font-family: var(--font-mono);
  letter-spacing: .14em;
  color: var(--teal-deep);
}

.privacy-index__list {
  display: grid;
  gap: 0;
  margin: .75rem 0 0;
  padding: 0;
  list-style: none;
}

.privacy-index__link {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .5rem 0;
  font-size: .84rem;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--p-line);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.privacy-index__link:hover,
.privacy-index__link:focus-visible {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

.privacy-index__no {
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--teal-deep);
}

.privacy-index__top {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: 1rem;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--p-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--p-line-strong);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.privacy-index__top:hover,
.privacy-index__top:focus-visible {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

/* ---------- 章节 ---------- */
.privacy-sec {
  padding: clamp(1.5rem, 3.2vw, 2.3rem) 0;
  border-top: 1px solid var(--p-line);
  scroll-margin-top: 6.5rem;
}

.privacy-main > .privacy-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.privacy-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .85rem;
  align-items: baseline;
}

.privacy-sec__no {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--teal-deep);
}

.privacy-sec__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--ink);
}

.privacy-sec__lead {
  margin: .85rem 0 0;
  max-width: 38rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--p-muted);
}

.privacy-sec strong {
  color: var(--teal-deep);
  font-weight: 700;
}

/* ---------- 条目列表 ---------- */
.privacy-list {
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.privacy-list > li {
  position: relative;
  padding: .8rem 0 .8rem 1.45rem;
  border-top: 1px solid var(--p-line);
  font-size: .93rem;
  line-height: 1.8;
  color: var(--ink);
}

.privacy-list > li::before {
  content: "";
  position: absolute;
  left: .1rem;
  top: 1.6rem;
  width: .4rem;
  height: .4rem;
  background: var(--teal);
}

/* ---------- 折叠条目 ---------- */
.privacy-fold {
  margin-top: .9rem;
  border-top: 1px solid var(--p-line);
}

.privacy-fold__sum {
  display: block;
  position: relative;
  padding: .95rem 2rem .95rem 0;
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--teal-deep);
  cursor: pointer;
  list-style: none;
}

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

.privacy-fold__sum::marker {
  content: "";
}

.privacy-fold__sum::after {
  content: "+";
  position: absolute;
  right: .1rem;
  top: .95rem;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--orange-deep);
}

.privacy-fold[open] .privacy-fold__sum::after {
  content: "\2013";
}

.privacy-fold__body {
  max-width: 36rem;
  padding: 0 0 1.1rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--p-muted);
}

.privacy-fold__body p {
  margin: 0;
}

/* ---------- 联系信息 ---------- */
.privacy-contact {
  margin: 1.5rem 0 0;
  padding: .3rem 0;
  border-top: 1px solid var(--p-line-strong);
  border-bottom: 1px solid var(--p-line-strong);
}

.privacy-contact__row {
  display: grid;
  gap: .2rem;
  padding: .7rem 0;
}

.privacy-contact__row + .privacy-contact__row {
  border-top: 1px solid var(--p-line);
}

.privacy-contact__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--teal-deep);
}

.privacy-contact__v {
  margin: 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.privacy-contact__note {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--p-muted);
}

/* ---------- 段尾指引 ---------- */
.privacy-sec__tail {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--p-muted);
  border-top: 1px solid var(--p-line);
}

.privacy-sec__tail a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 96, 92, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.privacy-sec__tail a:hover,
.privacy-sec__tail a:focus-visible {
  color: var(--orange-deep);
  border-bottom-color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .privacy-contact__row {
    grid-template-columns: 7rem minmax(0, 1fr);
    gap: .8rem;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .privacy-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 1000px) {
  .privacy-layout {
    display: grid;
    grid-template-columns: minmax(0, 42rem) 236px;
    justify-content: center;
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .privacy-index {
    order: 0;
    position: -webkit-sticky;
    position: sticky;
    top: 6rem;
    padding: .3rem 0 .3rem 1.4rem;
    border-top: 0;
    border-left: 1px solid var(--p-line-strong);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .crumbs__link,
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-index__top,
  .page-privacy .privacy-sec__tail a {
    transition: none;
  }
}