.page-privacy {
  --privacy-measure: 68ch;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .privacy-top {
  padding-top: clamp(14px, 3vw, 26px);
}

/* ---------- 页首横幅 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: 18px;
  padding: clamp(30px, 6vw, 68px) clamp(20px, 4vw, 56px);
  clip-path: var(--cut-panel);
  background:
    radial-gradient(120% 140% at 10% 0%, var(--cyan-veil) 0%, transparent 55%),
    radial-gradient(90% 130% at 100% 100%, var(--green-veil) 0%, transparent 62%),
    var(--ink-2);
  overflow: hidden;
  isolation: isolate;
}

.page-privacy .privacy-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  z-index: -1;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  max-width: 780px;
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 9vw, 82px);
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.page-privacy .privacy-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: 30px;
  margin-top: clamp(30px, 5vw, 56px);
}

@media (min-width: 920px) {
  .page-privacy .privacy-body {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }
  .page-privacy .privacy-index-wrap {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-index {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(13, 36, 54, 0.92), rgba(8, 24, 38, 0.92));
  clip-path: var(--cut-panel);
  padding: 18px 14px 16px;
}

.page-privacy .privacy-index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-index-list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  line-height: 1.5;
  transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.page-privacy .privacy-index-list a:hover,
.page-privacy .privacy-index-list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: var(--cyan-veil);
}

.page-privacy .privacy-index-list a[aria-current="true"] {
  color: var(--paper);
  border-left-color: var(--green);
  background: var(--green-veil);
}

.page-privacy .privacy-index-no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-privacy .privacy-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-tools .btn {
  font-size: 12.5px;
  padding: 8px 14px;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-clause {
  padding-top: clamp(26px, 4vw, 40px);
  margin-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-privacy .privacy-clause:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-privacy .clause-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-privacy .clause-no {
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.8vw, 17px);
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-privacy .clause-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-clause > p {
  margin: 14px 0 0;
  max-width: var(--privacy-measure);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 248, 251, 0.82);
}

/* ---------- 三类场景 ---------- */
.page-privacy .privacy-scenes {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

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

.page-privacy .privacy-scene {
  border: 1px solid var(--line);
  background: rgba(13, 36, 54, 0.62);
  padding: 16px 15px 18px;
  clip-path: var(--cut-tag);
}

.page-privacy .privacy-scene h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-privacy .privacy-scene p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 248, 251, 0.76);
}

/* ---------- 用途清单 ---------- */
.page-privacy .privacy-uses {
  list-style: none;
  counter-reset: use;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-uses li {
  counter-increment: use;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-left: 2px solid var(--green);
  background: var(--green-veil);
}

.page-privacy .privacy-uses li::before {
  content: counter(use, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-privacy .privacy-uses li span {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 251, 0.84);
}

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

/* ---------- 定义式条目 ---------- */
.page-privacy .privacy-defs {
  margin: 20px 0 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-def {
  background: var(--ink-2);
  padding: 14px 16px;
}

.page-privacy .privacy-def dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--cyan);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-def dd {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 251, 0.78);
}

/* ---------- 外部协作列表 ---------- */
.page-privacy .privacy-plain-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-plain-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 251, 0.8);
}

.page-privacy .privacy-plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--amber);
}

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

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact-panel {
  margin-top: 22px;
  padding: 20px clamp(16px, 3vw, 26px) 22px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--green);
  background: linear-gradient(120deg, var(--cyan-veil), transparent 62%), var(--ink-2);
  clip-path: var(--cut-tag);
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-contact-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-contact-list {
  margin: 14px 0 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact-list div {
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-contact-list dt {
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-contact-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--paper);
}

.page-privacy .privacy-contact-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 150ms ease, color 150ms ease;
}

.page-privacy .privacy-contact-list a:hover,
.page-privacy .privacy-contact-list a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--green);
}

.page-privacy .privacy-contact-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-privacy .privacy-faq {
  margin-top: 10px;
  border: 1px solid var(--line);
  background: rgba(13, 36, 54, 0.6);
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-faq:first-of-type {
  margin-top: 20px;
}

.page-privacy .privacy-faq summary {
  cursor: pointer;
  padding: 13px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  list-style: none;
  position: relative;
  padding-right: 42px;
  transition: color 150ms ease, background-color 150ms ease;
}

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

.page-privacy .privacy-faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
}

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

.page-privacy .privacy-faq summary:hover {
  background: var(--green-veil);
  color: var(--cyan);
}

.page-privacy .privacy-faq p {
  margin: 0;
  padding: 0 16px 15px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 248, 251, 0.78);
}

.page-privacy .privacy-tail {
  margin: 24px 0 0;
  max-width: var(--privacy-measure);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-tail a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 150ms ease, color 150ms ease;
}

.page-privacy .privacy-tail a:hover,
.page-privacy .privacy-tail a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--green);
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index-list a,
  .page-privacy .privacy-contact-list a,
  .page-privacy .privacy-tail a,
  .page-privacy .privacy-faq summary {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #ffffff;
    color: #000000;
    padding-bottom: 0;
  }
  .page-privacy .privacy-index-wrap,
  .page-privacy .privacy-tools,
  .page-privacy .privacy-hero-img {
    display: none;
  }
  .page-privacy .privacy-hero {
    clip-path: none;
    background: none;
    padding: 0 0 12px;
    border-bottom: 2px solid #000000;
  }
  .page-privacy .privacy-hero h1,
  .page-privacy .clause-head h2,
  .page-privacy .privacy-scene h3,
  .page-privacy .privacy-faq summary {
    color: #000000;
  }
  .page-privacy .privacy-lede,
  .page-privacy .privacy-clause > p,
  .page-privacy .privacy-def dd,
  .page-privacy .privacy-plain-list li,
  .page-privacy .privacy-uses li span,
  .page-privacy .privacy-scene p,
  .page-privacy .privacy-faq p,
  .page-privacy .privacy-tail {
    color: #1a1a1a;
    font-size: 11pt;
    line-height: 1.6;
  }
  .page-privacy .privacy-body {
    display: block;
    margin-top: 18px;
  }
  .page-privacy .privacy-clause {
    break-inside: avoid;
    border-top: 1px solid #999999;
  }
  .page-privacy .privacy-scenes {
    display: block;
  }
  .page-privacy .privacy-scene {
    clip-path: none;
    background: none;
    border: 1px solid #999999;
    margin-bottom: 8px;
  }
  .page-privacy .privacy-defs {
    border-color: #999999;
    background: none;
  }
  .page-privacy .privacy-def {
    background: none;
  }
  .page-privacy .privacy-contact-panel {
    clip-path: none;
    background: none;
    border: 1px solid #999999;
  }
  .page-privacy .privacy-contact-list a,
  .page-privacy .privacy-tail a {
    color: #000000;
  }
}
</br>