.page-privacy {
  --chapter-gap: clamp(2.75rem, 6vw, 4.5rem);
  --doc-text: var(--fs-18);
  background: var(--paper);
  color: var(--carbon);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(7rem, 16vh, 9.5rem) 0 clamp(3.25rem, 7vw, 5rem);
  overflow: hidden;
}

.page-privacy .privacy-hero .breadcrumb {
  color: var(--mist);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--paper);
}

.page-privacy .privacy-title {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 6vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.14;
  margin: clamp(1.25rem, 3vw, 2rem) 0 0;
  max-width: 20ch;
  color: var(--paper);
}

.page-privacy .privacy-lede {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  max-width: 36em;
  font-size: var(--fs-18);
  line-height: var(--lh-body);
  color: rgba(247, 245, 241, 0.82);
}

.page-privacy .privacy-meta {
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-privacy .privacy-meta .meta--time {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--track-label);
  color: var(--sand);
  border: 1px solid rgba(232, 178, 74, 0.45);
  border-radius: 999px;
  padding: 0.32rem 0.8rem;
}

.page-privacy .privacy-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: clamp(58px, 9vw, 118px);
  color: var(--echo);
  opacity: 0.5;
  pointer-events: none;
}

/* ---------- 文档骨架 ---------- */
.page-privacy .privacy-doc {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
}

/* ---------- 章节索引 ---------- */
.page-privacy .doc-index {
  border-bottom: 1px solid var(--line-light);
  padding-bottom: 0.75rem;
}

.page-privacy .doc-index-title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--track-label);
  color: var(--slate);
}

.page-privacy .doc-index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0.25rem;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .doc-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  font-size: var(--fs-14);
  color: var(--ink);
  text-decoration: none;
  padding: 0.42rem 0.75rem;
  border: 1px solid var(--line-light);
  border-radius: 999px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .doc-index-list a:hover,
.page-privacy .doc-index-list a:focus-visible {
  border-color: var(--echo);
  color: var(--echo);
  background: rgba(255, 107, 44, 0.08);
}

.page-privacy .doc-index-num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

/* ---------- 正文 ---------- */
.page-privacy .doc-body {
  min-width: 0;
  font-size: var(--doc-text);
  line-height: var(--lh-body);
  color: var(--carbon);
}

.page-privacy .doc-body p {
  max-width: 36em;
  margin: 0 0 1.1rem;
}

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

.page-privacy .privacy-figure {
  margin: 0 0 clamp(2.5rem, 5vw, 3.5rem);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-2);
}

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

/* ---------- 章节 ---------- */
.page-privacy .chapter {
  scroll-margin-top: calc(var(--header-h) + 2rem);
  padding-bottom: calc(var(--chapter-gap) * 0.45);
}

.page-privacy .chapter + .chapter {
  position: relative;
  padding-top: var(--chapter-gap);
}

.page-privacy .chapter + .chapter::before {
  content: "";
  position: absolute;
  top: calc(var(--chapter-gap) * 0.28);
  left: 0;
  width: min(100%, 34em);
  height: 20px;
  border-top: 1px solid var(--line-light);
  border-radius: 50% 50% 0 0 / 20px 20px 0 0;
  pointer-events: none;
}

.page-privacy .chapter:target .chapter-title {
  color: var(--echo);
}

.page-privacy .chapter-num {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 0.9rem;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--track-label);
  color: var(--ink);
  background: rgba(232, 178, 74, 0.16);
  border: 1px solid rgba(232, 178, 74, 0.65);
  border-radius: 999px;
}

.page-privacy .chapter-title {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 clamp(1rem, 2.5vw, 1.5rem);
  max-width: 22ch;
  color: var(--ink);
}

/* ---------- 信息范围 ---------- */
.page-privacy .info-tier {
  max-width: 36em;
  margin: 1.5rem 0;
  padding-left: 1.15rem;
  border-left: 2px solid var(--mist);
}

.page-privacy .info-tier--query {
  border-left-color: var(--cyan);
}

.page-privacy .info-tier--download {
  border-left-color: var(--sand);
}

.page-privacy .info-tier--onsite {
  border-left-color: var(--tide);
}

.page-privacy .info-tier h3 {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--ink);
}

.page-privacy .info-tier p {
  margin: 0 0 0.75rem;
}

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

.page-privacy .req {
  display: inline-block;
  margin-right: 0.5rem;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: var(--ink);
  vertical-align: 0.08em;
}

.page-privacy .req--must {
  background: rgba(255, 107, 44, 0.18);
}

.page-privacy .req--opt {
  background: rgba(34, 211, 238, 0.18);
}

/* ---------- 使用目的 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  counter-reset: purpose;
  max-width: 36em;
  margin: 0;
  padding: 0;
}

.page-privacy .purpose-list li {
  position: relative;
  counter-increment: purpose;
  padding-left: 2.7rem;
  margin-bottom: 0.9rem;
}

.page-privacy .purpose-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .purpose-list li::before {
  content: counter(purpose, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.2em;
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
  background: rgba(34, 211, 238, 0.18);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--ink);
}

/* ---------- 留存周期 ---------- */
.page-privacy .term-block {
  max-width: 36em;
  margin: 0 0 1rem;
  padding: 1rem 1.2rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-m);
}

.page-privacy .term-block .term-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: var(--track-label);
  color: var(--ink);
}

.page-privacy .term-block .term-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sand);
  flex: none;
}

.page-privacy .term-block p:not(.term-label) {
  margin: 0;
}

.page-privacy .term {
  position: relative;
  display: inline-block;
  padding: 0 0.28rem;
  font-family: var(--font-mono);
  font-size: 0.95em;
  color: var(--ink);
  background: rgba(232, 178, 74, 0.22);
  border-bottom: 1px dashed rgba(11, 27, 51, 0.35);
  border-radius: 3px;
  cursor: help;
}

.page-privacy .term::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  bottom: calc(100% + 0.55rem);
  width: max-content;
  max-width: 16rem;
  padding: 0.45rem 0.65rem;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-12);
  line-height: 1.6;
  letter-spacing: normal;
  border-radius: var(--radius-s);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s var(--ease);
  z-index: 4;
  pointer-events: none;
}

.page-privacy .term:hover::after,
.page-privacy .term:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 请求方式 ---------- */
.page-privacy .request-list {
  max-width: 40em;
  margin: 1.75rem 0 1.5rem;
  border-top: 1px solid var(--line-light);
}

.page-privacy .request-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.35rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .request-item dt {
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-privacy .request-item dd {
  margin: 0;
  max-width: 36em;
}

.page-privacy .rights-tail {
  max-width: 36em;
}

/* ---------- 继续了解 ---------- */
.page-privacy .privacy-next {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(3rem, 7vw, 5rem) 0;
  overflow: hidden;
}

.page-privacy .privacy-next::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -60%;
  width: 60%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 107, 44, 0.22), transparent 68%);
  pointer-events: none;
}

.page-privacy .next-inner {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.page-privacy .privacy-next h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--paper);
}

.page-privacy .privacy-next p {
  max-width: 36em;
  margin: 0 0 1.75rem;
  line-height: var(--lh-body);
  color: rgba(247, 245, 241, 0.8);
}

.page-privacy .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 桌面：左侧固定索引 ---------- */
@media (min-width: 62rem) {
  .page-privacy .doc-layout {
    grid-template-columns: minmax(12rem, 15rem) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-privacy .doc-index {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    border-bottom: 0;
    border-left: 1px solid var(--line-light);
    padding: 0 0 0 1.25rem;
    max-height: calc(100vh - var(--header-h) - 4rem);
  }

  .page-privacy .doc-index-list {
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .doc-index-list a {
    border: 0;
    border-radius: 0;
    padding: 0.35rem 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .doc-index-list a:hover {
    background: none;
  }

  .page-privacy .request-item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }
}

@media (min-width: 90rem) {
  .page-privacy .doc-body p,
  .page-privacy .info-tier,
  .page-privacy .purpose-list,
  .page-privacy .term-block {
    max-width: 34em;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero {
    background: #fff;
    color: #000;
    padding: 0 0 1.5rem;
  }

  .page-privacy .privacy-title,
  .page-privacy .privacy-lede,
  .page-privacy .doc-body,
  .page-privacy .chapter-title {
    color: #000;
  }

  .page-privacy .privacy-wave,
  .page-privacy .doc-index,
  .page-privacy .next-links,
  .page-privacy .term::after {
    display: none;
  }

  .page-privacy .doc-layout {
    display: block;
  }

  .page-privacy .chapter,
  .page-privacy .term-block,
  .page-privacy .request-item {
    break-inside: avoid;
  }

  .page-privacy .doc-body p,
  .page-privacy .info-tier,
  .page-privacy .purpose-list,
  .page-privacy .term-block {
    max-width: none;
  }

  .page-privacy .privacy-next {
    background: #fff;
    color: #000;
    padding: 1.5rem 0 0;
  }

  .page-privacy .privacy-next h2,
  .page-privacy .privacy-next p {
    color: #000;
  }
}