.page-privacy {
  background: var(--ink);
  color: var(--paper);
}

/* ========== 阅读进度 ========== */
.page-privacy .privacy-progress {
  height: 2px;
  background: var(--steel-soft);
  overflow: hidden;
}

.page-privacy .privacy-progress span {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--blue), var(--neon));
  transition: transform .12s linear;
}

/* ========== 首屏 ========== */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(20px, 4vw, 34px) 0 0;
  background:
    radial-gradient(720px 340px at 10% -30%, var(--blue-soft), transparent 70%),
    linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue), var(--neon), transparent);
  opacity: .35;
  pointer-events: none;
}

.page-privacy .privacy-hero__kicker {
  margin: 22px 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .22em;
  color: var(--blue);
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.82;
  color: var(--mist);
}

.page-privacy .privacy-banner {
  position: relative;
  margin: clamp(26px, 4vw, 44px) auto 0;
  max-width: var(--shell-max);
  border: 1px solid var(--steel);
  border-bottom: 0;
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  background: var(--ink-2);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
  opacity: .82;
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(58% 130% at 18% 0%, var(--violet-soft), transparent 70%),
    linear-gradient(180deg, rgba(7, 12, 18, .12), rgba(15, 26, 36, .74));
}

/* ========== 正文骨架 ========== */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 92px);
  align-items: start;
}

.page-privacy .privacy-doc {
  min-width: 0;
  max-width: 68ch;
}

/* ========== 侧边索引 ========== */
.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 9px 13px;
  border: 1px solid var(--steel);
  border-radius: var(--pill);
  background: var(--glass-fill);
  color: var(--mist);
  font-size: .84rem;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--paper);
  border-color: var(--blue);
  background: var(--blue-soft);
}

.page-privacy .privacy-rail__link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-privacy .privacy-rail__no {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--blue);
}

.page-privacy .privacy-rail__card {
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  padding: 16px;
  background: linear-gradient(160deg, var(--glass-fill), var(--ink-2));
}

.page-privacy .privacy-rail__card p {
  margin: 0 0 8px;
  font-size: .82rem;
  line-height: 1.66;
  color: var(--mist);
}

.page-privacy .privacy-rail__mail {
  display: block;
  font-family: var(--font-mono);
  font-size: .78rem;
  line-height: 1.5;
  color: var(--blue);
  word-break: break-all;
}

/* ========== 章节 ========== */
.page-privacy .privacy-sec {
  scroll-margin-top: 110px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(28px, 4vw, 40px);
  border-top: 1px solid var(--steel);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}

.page-privacy .privacy-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--blue);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  line-height: 1.16;
  letter-spacing: -.005em;
  color: var(--paper);
}

.page-privacy .privacy-doc p {
  margin: 0 0 1.1em;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--paper);
}

.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: .94em;
  color: var(--blue);
  word-break: break-all;
}

/* ========== 场景列表 ========== */
.page-privacy .privacy-scenes {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-scene {
  border: 1px solid var(--steel);
  border-left: 2px solid var(--blue-deep);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 16px 18px;
}

.page-privacy .privacy-scene__tag {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-privacy .privacy-scene__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-doc .privacy-scene__text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ========== 用途条目 ========== */
.page-privacy .privacy-use {
  padding: 16px 0;
  border-top: 1px solid var(--steel-soft);
}

.page-privacy .privacy-use:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .privacy-use h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-doc .privacy-use p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ========== 关键条款 ========== */
.page-privacy .privacy-key {
  margin: 20px 0 0;
  padding: 14px 18px 14px 20px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(90deg, var(--blue-soft), transparent 82%);
}

.page-privacy .privacy-key__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-doc .privacy-key p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ========== 权利折叠 ========== */
.page-privacy .privacy-rights {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
}

.page-privacy .privacy-right {
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--ink-2);
  overflow: hidden;
}

.page-privacy .privacy-right > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  transition: background .2s var(--ease);
}

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

.page-privacy .privacy-right > summary:hover {
  background: var(--blue-soft);
}

.page-privacy .privacy-right > summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: -2px;
}

.page-privacy .privacy-right > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--blue);
}

.page-privacy .privacy-right[open] > summary::after {
  content: "–";
}

.page-privacy .privacy-right__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--blue);
}

.page-privacy .privacy-right__body {
  padding: 12px 18px 16px;
  border-top: 1px solid var(--steel-soft);
}

.page-privacy .privacy-doc .privacy-right__body p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ========== 相关链接 ========== */
.page-privacy .privacy-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(30px, 4vw, 42px);
  padding-top: clamp(22px, 3vw, 30px);
  border-top: 1px solid var(--steel);
}

.page-privacy .privacy-more a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--steel);
  border-radius: var(--pill);
  color: var(--paper);
  font-size: .88rem;
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-privacy .privacy-more a:hover,
.page-privacy .privacy-more a:focus-visible {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.page-privacy .privacy-more a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ========== 桌面端 ========== */
@media (min-width: 980px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 68px);
  }

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

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__link {
    border-color: transparent;
    background: transparent;
    border-radius: var(--radius-s);
    white-space: normal;
    align-items: flex-start;
    padding: 9px 12px;
  }
}

/* ========== 动效降级 ========== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress span,
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-right > summary,
  .page-privacy .privacy-more a {
    transition: none;
  }

  .page-privacy .privacy-progress span {
    transform: scaleX(1);
  }
}
<<<END>>>