.page-privacy {
  --privacy-rail: 220px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
  padding-bottom: clamp(12px, 2vw, 18px);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover {
  color: var(--cyan-400);
}

.page-privacy .breadcrumb span[aria-hidden] {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏横幅 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-color: var(--ink-900);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.55;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(5, 7, 14, 0.96) 0%, rgba(5, 7, 14, 0.78) 48%, rgba(5, 7, 14, 0.32) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  padding-top: clamp(56px, 10vw, 112px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 9vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.78;
  color: var(--white);
  opacity: 0.84;
}

/* ---------- 摘要卡 ---------- */

.page-privacy .privacy-summary__card {
  position: relative;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan-400);
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius);
}

.page-privacy .privacy-summary__text {
  margin: 16px 0 0;
  max-width: 66ch;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.75;
  color: var(--white);
}

.page-privacy .privacy-summary__points {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-summary__points li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-summary__points .numeric {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
}

/* ---------- 双栏阅读布局 ---------- */

.page-privacy .privacy-layout {
  display: block;
  margin-top: clamp(40px, 6vw, 72px);
}

.page-privacy .privacy-nav__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 14px 0;
  background: none;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  text-align: left;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-privacy .privacy-nav__trigger-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-privacy .privacy-nav__panel {
  padding: 8px 0 4px;
}

.page-privacy .privacy-nav__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-nav__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-nav__list a:hover,
.page-privacy .privacy-nav__list a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-privacy .privacy-nav__list .numeric {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--line);
}

.page-privacy .privacy-nav__list a:hover .numeric {
  color: var(--cyan-200);
}

/* ---------- 条款 ---------- */

.page-privacy .privacy-body {
  margin-top: clamp(32px, 5vw, 0px);
}

.page-privacy .privacy-clause {
  border-top: 1px solid var(--line);
  padding: clamp(22px, 3vw, 32px) 0 clamp(8px, 1.5vw, 16px);
  scroll-margin-top: 96px;
  transition: border-color 200ms ease;
}

.page-privacy .privacy-clause:first-child {
  border-top-color: var(--cyan-400);
}

.page-privacy .privacy-clause:target {
  border-top-color: var(--orange-500);
}

.page-privacy .privacy-clause__trigger {
  display: flex;
  gap: 16px;
  align-items: baseline;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  color: var(--white);
}

.page-privacy .privacy-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
  transition: color 200ms ease;
}

.page-privacy .privacy-clause__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 29px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-clause__trigger::after {
  content: "−";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
}

.page-privacy .privacy-clause__trigger[aria-expanded="false"]::after {
  content: "+";
  color: var(--cyan-400);
}

.page-privacy .privacy-clause__body {
  padding: 6px 0 12px;
}

.page-privacy .privacy-clause__body p {
  margin: 12px 0 0;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--white);
  opacity: 0.86;
}

.page-privacy .privacy-clause__body strong {
  color: var(--cyan-200);
  font-weight: 600;
}

.page-privacy .privacy-clause__body ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-clause__body ul li {
  position: relative;
  margin-top: 10px;
  padding-left: 20px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--white);
  opacity: 0.84;
}

.page-privacy .privacy-clause__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 9px;
  height: 1px;
  background: var(--cyan-400);
}

.page-privacy .privacy-clause__note {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  opacity: 1;
}

/* ---------- 保留期限刻度 ---------- */

.page-privacy .retention-list {
  margin-top: 22px;
}

.page-privacy .privacy-clause__body ul.retention-list li::before {
  display: none;
}

.page-privacy .privacy-clause__body ul.retention-list li.retention-item {
  padding-left: 0;
  margin-top: 18px;
  opacity: 1;
}

.page-privacy .retention-item {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 4px 14px;
}

.page-privacy .retention-item__label {
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-privacy .retention-item__value {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-400);
}

.page-privacy .retention-item__bar {
  grid-column: 1 / -1;
  position: relative;
  display: block;
  height: 4px;
  margin-top: 6px;
  background: var(--line);
  overflow: hidden;
}

.page-privacy .retention-item__bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-400), var(--cyan-200));
}

.page-privacy .retention-item:nth-child(1) .retention-item__bar i { width: 25%; }
.page-privacy .retention-item:nth-child(2) .retention-item__bar i { width: 100%; }
.page-privacy .retention-item:nth-child(3) .retention-item__bar i { width: 50%; }
.page-privacy .retention-item:nth-child(4) .retention-item__bar i { width: 72%; }

.page-privacy .retention-item__bar--local i {
  background: repeating-linear-gradient(
    90deg,
    var(--orange-500) 0 6px,
    transparent 6px 12px
  );
}

/* ---------- 变更记录 ---------- */

.page-privacy .change-list {
  margin-top: 20px;
}

.page-privacy .privacy-clause__body ul.change-list li::before {
  display: none;
}

.page-privacy .privacy-clause__body ul.change-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-left: 0;
  padding-bottom: 14px;
  margin-top: 0;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .privacy-clause__body ul.change-list li:last-child {
  border-bottom: 0;
}

.page-privacy .change-list__batch {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-500);
}

.page-privacy .change-list__text {
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 尾部延伸入口 ---------- */

.page-privacy .privacy-tail {
  border-top: 1px solid var(--line);
  margin-top: clamp(48px, 7vw, 96px);
}

.page-privacy .privacy-tail__inner {
  max-width: 720px;
}

.page-privacy .privacy-tail__text {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--white);
  opacity: 0.84;
}

.page-privacy .privacy-tail__links {
  margin-top: 26px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-summary__points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .privacy-clause__body ul.change-list li {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: minmax(180px, var(--privacy-rail)) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

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

  .page-privacy .privacy-nav__trigger {
    display: none;
  }

  .page-privacy .privacy-nav__panel {
    display: block;
    padding: 0;
  }

  .page-privacy .privacy-nav__list {
    border-top: 1px solid var(--line);
  }

  .page-privacy .privacy-body {
    margin-top: 0;
  }

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

@media (min-width: 1200px) {
  .page-privacy .privacy-hero__inner {
    padding-left: 24px;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-privacy .privacy-hero::after,
  .page-privacy .privacy-hero__bg {
    display: none;
  }

  .page-privacy .privacy-hero,
  .page-privacy .privacy-summary__card,
  .page-privacy .privacy-clause,
  .page-privacy .privacy-nav__list a {
    border-color: #999;
    background: transparent;
    color: #000;
  }

  .page-privacy .privacy-nav,
  .page-privacy .privacy-tail__links {
    display: none;
  }

  .page-privacy .retention-item__bar {
    border: 1px solid #999;
    height: 3px;
  }
}