/* ============ 数据保护页 · 单栏长文 ============ */
.page-privacy {
  --privacy-doc: 720px;
  background-color: var(--mist);
  color: var(--ink);
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  padding: 30px 0 56px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(191, 224, 234, 0.34) 0%, rgba(246, 248, 247, 0) 78%);
}

.page-privacy .breadcrumb {
  margin-bottom: 34px;
}

.page-privacy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  line-height: 1.6;
}

.page-privacy .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-faint);
}

.page-privacy .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

.page-privacy .breadcrumb a {
  color: var(--sea-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

.page-privacy .breadcrumb a:hover {
  border-bottom-color: currentColor;
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: end;
}

.page-privacy .privacy-hero__text .eyebrow {
  margin: 0 0 10px;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--lake-deep);
}

.page-privacy .privacy-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.88;
  color: var(--ink-soft);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background-color: var(--paper);
}

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

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-body {
  padding: 46px 0 88px;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "toc"
    "doc";
  gap: 34px;
}

.page-privacy .privacy-rail {
  grid-area: toc;
}

.page-privacy .privacy-doc {
  grid-area: doc;
}

/* ---------- 章节目录 ---------- */
.page-privacy .privacy-toc .toc__title {
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-privacy .privacy-toc .toc__list {
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-toc .toc__link {
  position: relative;
  display: block;
  padding: 9px 0;
  font-family: var(--f-serif);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-faint);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc .toc__link::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 6px;
  height: 1px;
  background-color: var(--line);
  transform: translateY(-50%);
  transition: width var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc .toc__link:hover {
  color: var(--lake-deep);
}

.page-privacy .privacy-toc .toc__link:hover::before {
  width: 12px;
  background-color: var(--lake);
}

.page-privacy .privacy-toc .toc__link.is-current {
  color: var(--lake-deep);
  font-weight: 700;
}

.page-privacy .privacy-toc .toc__link.is-current::before {
  width: 18px;
  background-color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  scroll-margin-top: 96px;
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .privacy-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-section__num {
  flex: none;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lake);
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--lake-deep);
}

.page-privacy .privacy-section p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

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

.page-privacy .privacy-section a {
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--lake);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-section a:hover {
  color: var(--orange-deep, var(--orange));
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-section .privacy-key {
  padding-left: 16px;
  border-left: 3px solid var(--jade);
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .privacy-section .note {
  margin: 0;
  padding: 12px 16px;
  background-color: var(--paper);
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-faint);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.86;
  color: var(--ink-soft);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background-color: var(--lake);
}

/* ---------- 折叠卡 ---------- */
.page-privacy .accordion {
  margin: 26px 0;
}

.page-privacy .accordion__item {
  border: 1px solid var(--line);
  background-color: var(--mist);
  transition: border-color var(--t-fast) var(--ease);
}

.page-privacy .accordion__item + .accordion__item {
  margin-top: -1px;
}

.page-privacy .accordion__item:hover {
  border-color: var(--lake);
}

.page-privacy .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 14px 16px;
  border: 0;
  background: none;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  color: var(--lake-deep);
  cursor: pointer;
}

.page-privacy .accordion__mark {
  flex: none;
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
}

.page-privacy .accordion__mark::before {
  content: "+";
}

.page-privacy .accordion__trigger[aria-expanded="true"] .accordion__mark::before {
  content: "\2212";
}

.page-privacy .accordion__panel-inner {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.86;
  color: var(--ink-soft);
}

.page-privacy .accordion__trigger[aria-expanded="false"] + .accordion__panel {
  display: none;
}

/* ---------- 联系卡 ---------- */
.page-privacy .privacy-contact {
  margin: 26px 0;
  padding: 20px 22px;
  background-color: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-privacy .privacy-contact__mail {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--lake-deep);
  word-break: break-all;
}

.page-privacy .privacy-contact__hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-faint);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 640px) {
  .page-privacy .privacy-hero {
    padding: 22px 0 40px;
  }

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

  .page-privacy .privacy-body {
    padding: 32px 0 64px;
  }

  .page-privacy .privacy-rail {
    overflow-x: auto;
  }

  .page-privacy .privacy-toc .toc__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    padding-left: 0;
    border-left: 0;
  }

  .page-privacy .privacy-toc .toc__link {
    padding: 4px 0;
    font-size: 13px;
  }

  .page-privacy .privacy-toc .toc__link::before {
    display: none;
  }

  .page-privacy .privacy-toc .toc__link.is-current {
    border-bottom: 2px solid var(--orange);
  }

  .page-privacy .privacy-section {
    padding-bottom: 32px;
    margin-bottom: 32px;
  }

  .page-privacy .privacy-section__head {
    flex-direction: column;
    gap: 4px;
  }

  .page-privacy .privacy-section p,
  .page-privacy .privacy-section .privacy-key {
    font-size: 15px;
    line-height: 1.86;
  }

  .page-privacy .privacy-contact {
    padding: 16px 16px 18px;
  }
}

/* ---------- 桌面分栏 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding: 46px 0 72px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 72px;
  }

  .page-privacy .privacy-body {
    padding: 68px 0 112px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--privacy-doc)) minmax(0, 1fr);
    grid-template-areas: "doc toc";
    gap: 100px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .privacy-section {
    padding-bottom: 52px;
    margin-bottom: 52px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc .toc__link::before,
  .page-privacy .privacy-toc .toc__link,
  .page-privacy .accordion__item,
  .page-privacy .privacy-section a {
    transition: none;
  }
}
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