/* ===== 隐私说明 · 页面专属样式（作用域 .page-privacy） ===== */

.page-privacy {
  --doc-rule: 1px solid var(--sand);
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* --- 页首 --- */
.page-privacy .doc-head {
  padding-top: clamp(24px, 5vw, 52px);
  padding-bottom: clamp(16px, 3vw, 26px);
  border-bottom: 2px solid var(--deep);
}

.page-privacy .doc-head .breadcrumbs {
  margin-bottom: 18px;
}

.page-privacy .doc-head .eyebrow {
  display: inline-block;
  color: var(--clay);
  margin: 0;
}

.page-privacy .doc-title {
  margin: 10px 0 18px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2.2rem, 8vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--deep);
}

.page-privacy .doc-lead {
  margin: 0;
  max-width: 40em;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.6vw, 1.16rem);
  line-height: 1.9;
  color: var(--ink);
}

/* --- 首屏横幅 --- */
.page-privacy .doc-banner {
  margin: 0 auto clamp(24px, 4.5vw, 44px);
  padding: 0 var(--gut);
  max-width: var(--wrap);
  box-sizing: border-box;
}

.page-privacy .doc-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--deep);
}

/* --- 三栏骨架 --- */
.page-privacy .doc-shell {
  align-items: start;
}

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

/* --- 左侧目录 --- */
.page-privacy .rail {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: var(--doc-rule);
}

.page-privacy .rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-privacy .rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-privacy .rail__link {
  display: block;
  padding: 6px 10px;
  border: 1px solid var(--sand);
  background-color: var(--white);
  font-size: 0.84rem;
  line-height: 1.4;
  color: var(--deep);
  text-decoration: none;
}

.page-privacy .rail__link:hover {
  border-color: var(--clay);
  color: var(--clay);
}

.page-privacy .rail__link[aria-current="location"] {
  border-color: var(--clay);
  background-color: var(--paper-dim);
  color: var(--clay);
  font-weight: 700;
}

/* --- 正文章节 --- */
.page-privacy .doc-section {
  padding: clamp(22px, 3.4vw, 34px) 0;
  border-top: var(--doc-rule);
  scroll-margin-top: 150px;
}

.page-privacy .doc-section:first-of-type {
  border-top: 2px solid var(--deep);
  padding-top: clamp(18px, 2.6vw, 26px);
}

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

.page-privacy .section-head__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-privacy .section-head__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.22rem, 3.4vw, 1.7rem);
  line-height: 1.3;
  color: var(--deep);
}

.page-privacy .doc-section .prose p {
  margin: 0 0 1em;
}

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

.page-privacy .doc-section .prose a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid var(--sky);
}

.page-privacy .doc-section .prose a:hover {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* --- 场景三行说明 --- */
.page-privacy .scene-list {
  margin-top: 18px;
  border-top: var(--doc-rule);
}

.page-privacy .scene {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--doc-rule);
}

.page-privacy .scene__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sky);
  padding-top: 3px;
}

.page-privacy .scene__body {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--ink);
}

/* --- 强调段落 --- */
.page-privacy .note-block {
  margin: 20px 0 0;
  padding: 15px 18px;
  background-color: var(--sand);
  border-left: 4px solid var(--clay);
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--deep);
}

.page-privacy .note-block p {
  margin: 0;
}

/* --- 折叠细则 --- */
.page-privacy .doc-details {
  margin-top: 20px;
  border: var(--doc-rule);
  background-color: var(--white);
}

.page-privacy .doc-details summary {
  cursor: pointer;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--deep);
  list-style: none;
}

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

.page-privacy .doc-details summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--clay);
}

.page-privacy .doc-details[open] summary::after {
  content: "\2013";
}

.page-privacy .doc-details .disclosure__body {
  padding: 0 16px 16px;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .doc-details .disclosure__body p {
  margin: 0;
}

/* --- 右侧说明卡 --- */
.page-privacy .notes-card {
  margin-bottom: 16px;
  padding: 16px;
  border: var(--doc-rule);
  background-color: var(--white);
}

.page-privacy .notes-card__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-privacy .notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .notes-list a {
  display: block;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--sand);
  font-size: 0.94rem;
  color: var(--deep);
  text-decoration: none;
}

.page-privacy .notes-list a:hover {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

.page-privacy .notes-dl {
  margin: 0;
}

.page-privacy .notes-dl dt {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--deep);
  margin-bottom: 4px;
}

.page-privacy .notes-dl dd {
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 2px solid var(--sand);
  font-family: var(--font-serif);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .notes-dl dd:last-child {
  margin-bottom: 0;
}

/* --- 页尾回顶 --- */
.page-privacy .doc-tail {
  padding-top: 20px;
  padding-bottom: clamp(40px, 6vw, 72px);
  border-top: var(--doc-rule);
}

.page-privacy .doc-top-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
  padding-bottom: 2px;
}

.page-privacy .doc-top-link:hover {
  color: var(--deep);
  border-bottom-color: var(--deep);
}

/* --- 中等屏幕：场景行改为左标签右正文 --- */
@media (min-width: 720px) {
  .page-privacy .scene {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }
}

/* --- 桌面：左侧目录竖排并吸顶 --- */
@media (min-width: 1100px) {
  .page-privacy .rail {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
  }

  .page-privacy .rail__list {
    display: grid;
    gap: 2px;
    margin-top: 12px;
  }

  .page-privacy .rail__link {
    border: 0;
    background: none;
    border-left: 3px solid transparent;
    padding: 7px 0 7px 11px;
    font-size: 0.9rem;
  }

  .page-privacy .rail__link:hover {
    border-left-color: var(--sand);
  }

  .page-privacy .rail__link[aria-current="location"] {
    border-left-color: var(--clay);
    background: none;
  }

  .page-privacy .shell__notes {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
  }
}