.page-privacy {
  --doc-measure: 34em;
  display: block;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  position: relative;
  padding: clamp(20px, 4vw, 40px) 0 clamp(22px, 4vw, 38px);
  overflow: hidden;
}

.page-privacy .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 66px 66px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .doc-hero__intro {
  max-width: 44em;
  margin-top: clamp(16px, 3vw, 28px);
}

.page-privacy .doc-hero__eyebrow {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-privacy .doc-hero__title {
  margin: .28em 0 .34em;
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .doc-hero__lede {
  margin: 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.75;
  color: var(--text-2);
}

.page-privacy .doc-hero__media {
  margin: clamp(22px, 4vw, 36px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-2);
  overflow: hidden;
}

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

/* ---------- 正文与目录 ---------- */
.page-privacy .doc-main {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 34px);
  align-items: start;
  padding-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

/* 目录 */
.page-privacy .toc {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-2);
  padding: 14px 12px 16px;
  box-shadow: var(--shadow-1);
}

.page-privacy .toc__title {
  margin: 0 0 10px;
  padding-left: 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-privacy .toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  border-left: 1px solid var(--line);
}

.page-privacy .toc__item {
  margin: 0;
}

.page-privacy .toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 10px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-privacy .toc__link:hover,
.page-privacy .toc__link:focus-visible {
  color: var(--paper);
  background: rgba(53, 224, 208, .09);
  border-left-color: var(--cyan);
}

.page-privacy .toc__num {
  flex: none;
  font-size: 12px;
  color: var(--slate);
  letter-spacing: .06em;
  transition: color .22s var(--ease);
}

.page-privacy .toc__link:hover .toc__num,
.page-privacy .toc__link:focus-visible .toc__num {
  color: var(--cyan);
}

/* ---------- 条款正文 ---------- */
.page-privacy .doc-body {
  max-width: var(--doc-measure);
}

.page-privacy .clause {
  padding: clamp(24px, 4vw, 34px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--anchor-offset) + 12px);
}

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

.page-privacy .clause:target {
  border-top-color: var(--line-cyan);
}

.page-privacy .clause__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 .75em;
  font-size: clamp(20px, 3.4vw, 26px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-privacy .doc-body p {
  margin: 0 0 1em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

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

.page-privacy .doc-body strong {
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .doc-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .doc-body a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 列表 */
.page-privacy .clause-list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .clause-list__item {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-privacy .clause-list__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: .66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: .8;
}

.page-privacy .clause-list--violet .clause-list__item::before {
  background: var(--violet);
  opacity: .9;
}

.page-privacy .clause-list--amber .clause-list__item::before {
  background: var(--amber);
  opacity: .9;
}

/* 键值对 */
.page-privacy .kv-list {
  display: grid;
  gap: 10px;
  margin: 0 0 1.2em;
}

.page-privacy .kv {
  display: grid;
  gap: 4px;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-2);
}

.page-privacy .kv__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-privacy .kv__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

/* 信息条 */
.page-privacy .note-strip {
  margin: 0 0 1em;
  padding: 13px 16px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(53, 224, 208, .12), rgba(53, 224, 208, 0) 88%);
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-privacy .note-strip--amber {
  border-left-color: var(--amber);
  background: linear-gradient(90deg, rgba(240, 169, 60, .14), rgba(240, 169, 60, 0) 88%);
}

.page-privacy .note-strip__label {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .note-strip--amber .note-strip__label {
  color: var(--amber);
}

.page-privacy .doc-mail {
  font-size: 14px;
  word-break: break-all;
  border-bottom-color: transparent;
  border-bottom-style: none;
}

/* 展开收起 */
.page-privacy .fine {
  margin: 0 0 1.1em;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(20, 40, 61, .62);
  overflow: hidden;
}

.page-privacy .fine[open] {
  border-color: var(--line-cyan);
}

.page-privacy .fine__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-2);
  cursor: pointer;
  list-style: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}

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

.page-privacy .fine__summary::before {
  content: "+";
  flex: none;
  width: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .fine[open] .fine__summary::before {
  content: "−";
}

.page-privacy .fine__summary:hover {
  color: var(--paper);
  background: rgba(53, 224, 208, .07);
}

.page-privacy .fine__body {
  padding: 0 14px 14px 36px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-3);
}

/* 收尾 */
.page-privacy .doc-foot {
  margin-top: clamp(24px, 4vw, 36px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 16px;
}

.page-privacy .doc-foot__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-3);
}

.page-privacy .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 焦点 */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    display: grid;
  }
}

@media (min-width: 1000px) {
  .page-privacy .doc-grid {
    grid-template-columns: minmax(0, var(--doc-measure)) 258px;
    justify-content: center;
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .doc-side {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--anchor-offset) + 12px);
  }

  .page-privacy .doc-body {
    grid-column: 1;
    grid-row: 1;
    max-width: none;
  }

  .page-privacy .toc__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .doc-hero__intro {
    max-width: 40em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc__link,
  .page-privacy .fine__summary,
  .page-privacy .doc-body a {
    transition: none;
  }
}