/* ===== 数据保护 · 长文阅读页 ===== */
.page-privacy {
  --toc-w: 232px;
  --grid-line: rgba(42, 55, 66, .55);
}

/* ---- 首屏 ---- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--s5) 0 var(--s5);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -18% -12% auto -12%;
  height: 132%;
  z-index: -1;
  background:
    radial-gradient(circle at 84% 10%, rgba(123, 77, 255, .30), transparent 58%),
    radial-gradient(circle at 6% 86%, rgba(180, 240, 60, .16), transparent 56%),
    radial-gradient(circle at 52% 0%, rgba(255, 122, 51, .12), transparent 46%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 78% 68% at 46% 42%, #000 8%, transparent 78%);
          mask-image: radial-gradient(ellipse 78% 68% at 46% 42%, #000 8%, transparent 78%);
  opacity: .5;
  pointer-events: none;
}

.page-privacy .privacy-head {
  display: grid;
  gap: var(--s3);
  max-width: 880px;
}

.page-privacy .privacy-head .eyebrow {
  color: var(--lime);
  margin: 0;
}

.page-privacy .privacy-head h1 {
  margin: 0;
  font-size: clamp(32px, 6.6vw, 64px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
  text-shadow: 0 0 36px rgba(180, 240, 60, .16);
}

.page-privacy .privacy-head h1 em {
  font-style: normal;
  color: var(--lime);
  background: linear-gradient(180deg, transparent 64%, rgba(180, 240, 60, .24) 64%);
}

.page-privacy .privacy-head .lede {
  margin: 0;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(244, 241, 232, .82);
}

.page-privacy .privacy-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-privacy .privacy-banner {
  position: relative;
  margin: var(--s5) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  overflow: hidden;
  background: var(--slate);
  box-shadow: 0 0 0 1px rgba(180, 240, 60, .06), 0 30px 80px -50px rgba(123, 77, 255, .9);
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(180, 240, 60, .16) 0%, transparent 38%, rgba(123, 77, 255, .22) 100%);
  pointer-events: none;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  max-width: 100%;
}

/* ---- 正文骨架 ---- */
.page-privacy .privacy-body {
  position: relative;
  background-image:
    linear-gradient(to right, rgba(42, 55, 66, .28) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 55, 66, .28) 1px, transparent 1px);
  background-size: 96px 96px;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
}

/* ---- 章节目录 ---- */
.page-privacy .privacy-toc {
  min-width: 0;
  max-width: 100%;
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(180deg, rgba(18, 28, 36, .92), rgba(10, 14, 18, .7));
}

.page-privacy .toc-title {
  margin: 0 0 var(--s2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--mist);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scroll-snap-type: x mandatory;
}

.page-privacy .toc-list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-privacy .toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .toc-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  color: var(--paper);
  border-color: rgba(180, 240, 60, .5);
  background: rgba(180, 240, 60, .07);
}

.page-privacy:has(#sec-collect:target) .toc-list a[href="#sec-collect"],
.page-privacy:has(#sec-use:target) .toc-list a[href="#sec-use"],
.page-privacy:has(#sec-share:target) .toc-list a[href="#sec-share"],
.page-privacy:has(#sec-keep:target) .toc-list a[href="#sec-keep"],
.page-privacy:has(#sec-rights:target) .toc-list a[href="#sec-rights"],
.page-privacy:has(#sec-minor:target) .toc-list a[href="#sec-minor"],
.page-privacy:has(#sec-update:target) .toc-list a[href="#sec-update"] {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

.page-privacy:has(#sec-collect:target) .toc-list a[href="#sec-collect"] .toc-no,
.page-privacy:has(#sec-use:target) .toc-list a[href="#sec-use"] .toc-no,
.page-privacy:has(#sec-share:target) .toc-list a[href="#sec-share"] .toc-no,
.page-privacy:has(#sec-keep:target) .toc-list a[href="#sec-keep"] .toc-no,
.page-privacy:has(#sec-rights:target) .toc-list a[href="#sec-rights"] .toc-no,
.page-privacy:has(#sec-minor:target) .toc-list a[href="#sec-minor"] .toc-no,
.page-privacy:has(#sec-update:target) .toc-list a[href="#sec-update"] .toc-no {
  color: rgba(10, 14, 18, .6);
}

/* ---- 正文章节 ---- */
.page-privacy .privacy-main {
  min-width: 0;
}

.page-privacy .privacy-chapter {
  position: relative;
  scroll-margin-top: 104px;
  padding: var(--s5) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .chapter-no {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .24em;
  color: var(--lime);
}

.page-privacy .chapter-no::after {
  content: "";
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--lime), transparent);
}

.page-privacy .privacy-chapter h2 {
  margin: var(--s2) 0 0;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .privacy-chapter p {
  margin: var(--s3) 0 0;
  max-width: 660px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(244, 241, 232, .82);
}

.page-privacy .privacy-chapter a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 240, 60, .45);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .privacy-chapter a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---- 条目清单 ---- */
.page-privacy .fact-list {
  list-style: none;
  margin: var(--s3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s2);
  max-width: 720px;
}

.page-privacy .fact-list li {
  position: relative;
  padding: 14px var(--s3) 14px 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(150deg, rgba(18, 28, 36, .94), rgba(10, 14, 18, .68));
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 241, 232, .84);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-privacy .fact-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 23px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px rgba(180, 240, 60, .55);
}

.page-privacy .fact-list li strong {
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .fact-list--clay li::before {
  background: var(--clay);
  box-shadow: 0 0 12px rgba(255, 122, 51, .55);
}

.page-privacy .fact-list--violet li::before {
  background: var(--violet);
  box-shadow: 0 0 12px rgba(123, 77, 255, .6);
}

.page-privacy .fact-list--cyan li::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 197, .55);
}

/* ---- 条款摘要引用块 ---- */
.page-privacy .clause-quote {
  margin: var(--s3) 0 0;
  max-width: 720px;
  padding: var(--s3) var(--s3) var(--s3) var(--s4);
  border: 1px solid rgba(123, 77, 255, .35);
  border-left: 3px solid var(--violet);
  border-radius: var(--r-m);
  background: linear-gradient(118deg, rgba(123, 77, 255, .16), rgba(10, 14, 18, 0) 72%);
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---- 联系信息带 ---- */
.page-privacy .contact-strip {
  margin-top: var(--s4);
  padding: var(--s3);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background:
    linear-gradient(135deg, rgba(123, 77, 255, .14), rgba(10, 14, 18, .2) 62%),
    var(--slate);
  display: grid;
  gap: var(--s3);
  max-width: 720px;
}

.page-privacy .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2);
  min-width: 0;
}

.page-privacy .contact-label {
  flex: 0 0 auto;
  min-width: 76px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-privacy .contact-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(244, 241, 232, .82);
}

.page-privacy .contact-note {
  margin: 0;
  padding-top: var(--s2);
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .contact-strip .copy-chip {
  max-width: 100%;
  word-break: break-all;
}

/* ---- 返回顶部 ---- */
.page-privacy .back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--s5);
  padding: 10px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .back-top:hover,
.page-privacy .back-top:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

/* ---- 中等屏幕 ---- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero {
    padding: var(--s6) 0 var(--s5);
  }

  .page-privacy .contact-strip {
    padding: var(--s4);
  }

  .page-privacy .privacy-chapter p {
    font-size: 17.5px;
  }
}

/* ---- 桌面：固定章节目录 + 单栏正文 ---- */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: var(--s6);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 104px;
    padding: var(--s3) var(--s2);
  }

  .page-privacy .toc-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .toc-list li {
    display: block;
  }

  .page-privacy .toc-list a {
    display: flex;
    width: 100%;
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: var(--r-s);
    white-space: normal;
    font-size: 14px;
    line-height: 1.55;
  }

  .page-privacy .toc-list a:hover,
  .page-privacy .toc-list a:focus-visible {
    background: rgba(180, 240, 60, .08);
    border-color: rgba(180, 240, 60, .5);
  }

  .page-privacy:has(#sec-collect:target) .toc-list a[href="#sec-collect"],
  .page-privacy:has(#sec-use:target) .toc-list a[href="#sec-use"],
  .page-privacy:has(#sec-share:target) .toc-list a[href="#sec-share"],
  .page-privacy:has(#sec-keep:target) .toc-list a[href="#sec-keep"],
  .page-privacy:has(#sec-rights:target) .toc-list a[href="#sec-rights"],
  .page-privacy:has(#sec-minor:target) .toc-list a[href="#sec-minor"],
  .page-privacy:has(#sec-update:target) .toc-list a[href="#sec-update"] {
    color: var(--lime);
    background: rgba(180, 240, 60, .1);
    border-color: var(--lime);
  }

  .page-privacy:has(#sec-collect:target) .toc-list a[href="#sec-collect"] .toc-no,
  .page-privacy:has(#sec-use:target) .toc-list a[href="#sec-use"] .toc-no,
  .page-privacy:has(#sec-share:target) .toc-list a[href="#sec-share"] .toc-no,
  .page-privacy:has(#sec-keep:target) .toc-list a[href="#sec-keep"] .toc-no,
  .page-privacy:has(#sec-rights:target) .toc-list a[href="#sec-rights"] .toc-no,
  .page-privacy:has(#sec-minor:target) .toc-list a[href="#sec-minor"] .toc-no,
  .page-privacy:has(#sec-update:target) .toc-list a[href="#sec-update"] .toc-no {
    color: var(--clay);
  }

  .page-privacy .privacy-chapter {
    padding: var(--s6) 0;
  }

  .page-privacy .privacy-main {
    padding-right: var(--s3);
  }
}

/* ---- 大屏 ---- */
@media (min-width: 1280px) {
  .page-privacy {
    --toc-w: 258px;
  }

  .page-privacy .fact-list li {
    font-size: 16.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-list a,
  .page-privacy .fact-list li,
  .page-privacy .back-top,
  .page-privacy .privacy-chapter a {
    transition: none;
  }
}