.page-privacy {
  --pv-soft-rule: rgba(244, 235, 223, .14);
  --pv-card-line: rgba(244, 235, 223, .18);
  --pv-body-max: 68ch;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible,
.page-privacy button:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 36px 0 52px;
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(23, 162, 255, .22), transparent 62%),
    radial-gradient(70% 60% at 0% 100%, rgba(255, 106, 43, .12), transparent 65%),
    linear-gradient(180deg, var(--ink), var(--ink-2));
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(244, 235, 223, .035) 0 1px, transparent 1px 4px);
  pointer-events: none;
}

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

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 6.4vw, 46px);
  line-height: 1.28;
  letter-spacing: -.01em;
  max-width: 20ch;
}

.page-privacy .privacy-hero .lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--haze);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* ---------- 要点卡 ---------- */
.page-privacy .privacy-summary {
  padding: 44px 0 52px;
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-privacy .summary-shell {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: 4px;
  overflow: hidden;
  isolation: isolate;
}

.page-privacy .summary-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  filter: saturate(.85);
}

.page-privacy .summary-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(7, 9, 15, .74), rgba(7, 9, 15, .92));
}

.page-privacy .summary-inner {
  position: relative;
  z-index: 1;
  padding: 26px 18px 30px;
}

.page-privacy .summary-inner .section-head .lead {
  color: var(--haze);
  font-size: 14.5px;
}

.page-privacy .summary-grid {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-privacy .sum-card {
  border: 1px solid var(--pv-card-line);
  border-left: 2px solid var(--blue-line);
  border-radius: 3px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  padding: 13px 14px;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-privacy .sum-card:hover {
  border-color: var(--blue-line);
  transform: translateY(-3px);
}

.page-privacy .sum-card summary {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .sum-card summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 15px;
  line-height: 1;
  color: var(--blue);
  transition: color .2s var(--ease);
}

.page-privacy .sum-card[open] summary::after {
  content: "−";
  color: var(--lime);
}

.page-privacy .sum-num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--blue);
  padding-top: 3px;
}

.page-privacy .sum-body {
  display: block;
  min-width: 0;
}

.page-privacy .sum-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  line-height: 1.45;
}

.page-privacy .sum-say {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(244, 235, 223, .64);
}

.page-privacy .sum-more {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--pv-soft-rule);
}

.page-privacy .sum-more p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(244, 235, 223, .74);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-body {
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(20, 24, 31, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 24, 31, .045) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--ink-text);
  padding: 40px 0 56px;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 26px;
}

/* 目录 */
.page-privacy .privacy-toc {
  border: 1px solid var(--paper-line);
  border-radius: 3px;
  background: rgba(255, 255, 255, .58);
  padding: 14px 16px 16px;
}

.page-privacy .toc-head {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-privacy .toc-list a:hover {
  color: var(--ink-text);
  border-color: var(--blue-line);
  background: var(--blue-soft);
}

.page-privacy .toc-num {
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--blue);
}

.page-privacy .toc-top {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px dashed var(--paper-line);
}

.page-privacy .toc-top:hover {
  color: var(--ink-text);
  border-bottom-color: var(--blue-line);
}

/* 条款条目 */
.page-privacy .privacy-articles {
  max-width: var(--pv-body-max);
}

.page-privacy .clause {
  padding: 26px 0 30px;
  border-top: 1px solid var(--paper-line);
  scroll-margin-top: 24px;
}

.page-privacy .clause:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .clause::before {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin-bottom: 18px;
  background: repeating-linear-gradient(90deg, var(--blue) 0 4px, transparent 4px 9px);
  opacity: .45;
}

.page-privacy .clause-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-privacy .clause-num {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--paper-line);
  background: rgba(255, 255, 255, .7);
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--slate);
  transition: border-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-privacy .clause:hover .clause-num {
  border-color: var(--blue-line);
  color: var(--ink-text);
}

.page-privacy .clause:target .clause-num {
  border-color: var(--blue);
  color: var(--ink-text);
  box-shadow: 0 0 0 4px var(--blue-soft);
}

.page-privacy .clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 3.6vw, 25px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink-text);
}

.page-privacy .clause p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
  max-width: var(--pv-body-max);
}

.page-privacy .clause p.clause-lead {
  margin-top: 16px;
  padding-left: 13px;
  border-left: 3px solid var(--orange);
  font-size: 15.5px;
  line-height: 1.75;
  font-weight: 600;
  color: var(--ink-text);
}

.page-privacy .clause p a {
  color: var(--ink-text);
  text-decoration: underline;
  text-decoration-color: var(--blue-line);
  text-underline-offset: 3px;
}

.page-privacy .clause p a:hover {
  text-decoration-color: var(--blue);
}

.page-privacy .clause-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .clause-list li {
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--blue-line);
  border-radius: 2px;
  background: rgba(255, 255, 255, .62);
  padding: 12px 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-privacy .clause-list strong {
  display: block;
  margin-bottom: 3px;
  font-weight: 600;
  color: var(--ink-text);
}

/* ---------- 联系条 ---------- */
.page-privacy .privacy-contact {
  padding: 40px 0 52px;
  background:
    radial-gradient(80% 60% at 90% 0%, rgba(23, 162, 255, .16), transparent 62%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
  border-top: 1px solid var(--hairline);
  color: var(--paper);
}

.page-privacy .contact-panel {
  border: 1px solid var(--hairline);
  border-radius: 4px;
  background: var(--glass);
  backdrop-filter: blur(12px);
  padding: 24px 18px;
  display: grid;
  gap: 22px;
}

.page-privacy .contact-intro h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 4vw, 26px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .contact-intro p:not(.eyebrow) {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 235, 223, .7);
}

.page-privacy .contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .contact-list li {
  display: grid;
  gap: 5px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pv-soft-rule);
}

.page-privacy .contact-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .contact-label {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--haze);
}

.page-privacy .contact-value {
  font-family: var(--font-data);
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-privacy .contact-list .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-hero {
    padding: 44px 0 64px;
  }

  .page-privacy .summary-inner {
    padding: 32px 28px 36px;
  }

  .page-privacy .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .contact-panel {
    padding: 28px 26px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    padding: 56px 0 72px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 52px;
    align-items: start;
  }

  .page-privacy .privacy-articles {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 28px;
    padding: 16px 18px 18px;
  }

  .page-privacy .toc-list {
    display: block;
    margin-top: 12px;
  }

  .page-privacy .toc-list li {
    margin-bottom: 2px;
  }

  .page-privacy .toc-list a {
    display: flex;
    border: 0;
    border-left: 2px solid var(--paper-line);
    border-radius: 0;
    padding: 7px 0 7px 12px;
    font-size: 13.5px;
    line-height: 1.5;
  }

  .page-privacy .toc-list a:hover {
    background: transparent;
    border-left-color: var(--blue);
    color: var(--ink-text);
  }

  .page-privacy .contact-panel {
    grid-template-columns: 1.05fr .95fr;
    gap: 30px 40px;
    padding: 34px 34px 32px;
    align-items: start;
  }

  .page-privacy .contact-links {
    grid-column: 1 / -1;
    padding-top: 4px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .summary-grid {
    gap: 14px;
  }

  .page-privacy .sum-card {
    padding: 15px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .sum-card,
  .page-privacy .toc-list a,
  .page-privacy .clause-num {
    transition: none;
  }

  .page-privacy .sum-card:hover {
    transform: none;
  }
}