.page-privacy {
  --p-hair: 1px solid rgba(138, 106, 47, .38);
  --p-hair-soft: 1px solid rgba(138, 106, 47, .2);
  --p-warm: rgba(226, 169, 59, .42);
  padding-bottom: clamp(20px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--p-hair);
  background:
    radial-gradient(130% 100% at 100% 0%, rgba(26, 74, 59, .72), transparent 62%),
    linear-gradient(180deg, rgba(10, 42, 33, .55), rgba(10, 42, 33, 1));
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(138, 106, 47, .6), transparent);
}
.page-privacy .hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: clamp(28px, 5vw, 58px) 0 clamp(34px, 5vw, 66px);
}
.page-privacy .hero-copy {
  min-width: 0;
}
.page-privacy .hero-kicker {
  margin: 20px 0 0;
  color: var(--ash);
}
.page-privacy h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 82px);
  line-height: .98;
  letter-spacing: -.03em;
  color: var(--porcelain);
}
.page-privacy .hero-lede {
  max-width: 32em;
  margin: 0;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(243, 239, 228, .8);
}
.page-privacy .hero-tags {
  list-style: none;
  margin: 28px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(138, 106, 47, .3);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.page-privacy .hero-tags li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(243, 239, 228, .72);
}
.page-privacy .hero-tags .num {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--copper);
}
.page-privacy .hero-visual {
  margin: 0;
  position: relative;
  border: var(--p-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(18, 59, 47, .55);
  box-shadow: var(--shadow-paper);
}
.page-privacy .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 880px) {
  .page-privacy .hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    gap: clamp(38px, 5vw, 70px);
    align-items: end;
  }
  .page-privacy .hero-kicker {
    margin-top: 26px;
  }
}

/* ---------- 文档骨架 ---------- */
.page-privacy .doc-shell {
  padding: clamp(38px, 6vw, 84px) 0 clamp(28px, 4vw, 56px);
}
.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}
@media (min-width: 960px) {
  .page-privacy .doc-layout {
    grid-template-columns: 206px minmax(0, 36em);
    justify-content: center;
    gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }
  .page-privacy .toc-inner {
    position: sticky;
    top: 104px;
  }
}

/* ---------- 目录 ---------- */
.page-privacy .doc-toc {
  border-top: 1px solid rgba(138, 106, 47, .5);
  padding-top: 14px;
}
.page-privacy .toc-label {
  margin: 0 0 12px;
  color: var(--copper);
}
.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}
.page-privacy .toc-list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 7px 8px 7px 10px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.55;
  color: rgba(243, 239, 228, .62);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.page-privacy .toc-list a:hover {
  color: var(--porcelain);
  background: rgba(26, 74, 59, .5);
  border-left-color: var(--copper);
}
.page-privacy .toc-list a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  color: var(--porcelain);
}
.page-privacy .toc-idx {
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--copper);
}

/* ---------- 正文栏 ---------- */
.page-privacy .doc-body {
  min-width: 0;
}
.page-privacy .doc-section {
  scroll-margin-top: 112px;
  padding-top: clamp(34px, 5vw, 54px);
  border-top: var(--p-hair-soft);
}
.page-privacy .doc-section:first-child {
  padding-top: 0;
  border-top: 0;
}
.page-privacy .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.page-privacy .sec-idx {
  flex: none;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--copper);
}
.page-privacy .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--porcelain);
}
.page-privacy .doc-section p {
  max-width: 34em;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 239, 228, .82);
}
.page-privacy .doc-section p:last-child {
  margin-bottom: 0;
}
.page-privacy .doc-section a {
  color: var(--porcelain);
  text-decoration: underline;
  text-decoration-color: rgba(138, 106, 47, .8);
  text-underline-offset: 3px;
}
.page-privacy .doc-section a:hover {
  text-decoration-color: var(--copper);
}
.page-privacy .section-lede {
  color: rgba(243, 239, 228, .72);
}

/* ---------- 折叠清单 ---------- */
.page-privacy .drawer-stack {
  margin-top: 22px;
}
.page-privacy .drawer {
  border: var(--p-hair);
  border-radius: var(--radius);
  background: rgba(18, 59, 47, .45);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-privacy .drawer[open] {
  border-color: rgba(138, 106, 47, .68);
  background: rgba(18, 59, 47, .82);
}
.page-privacy .drawer summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.5;
  color: var(--porcelain);
  transition: background .18s var(--ease);
}
.page-privacy .drawer summary::-webkit-details-marker {
  display: none;
}
.page-privacy .drawer summary::marker {
  content: "";
}
.page-privacy .drawer summary:hover {
  background: rgba(26, 74, 59, .6);
}
.page-privacy .drawer summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}
.page-privacy .drawer-idx {
  flex: none;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--copper);
}
.page-privacy .drawer-title {
  flex: 1;
  min-width: 0;
  font-weight: 500;
}
.page-privacy .drawer-arrow {
  flex: none;
  width: 8px;
  height: 8px;
  margin-right: 2px;
  border-right: 1px solid var(--copper);
  border-bottom: 1px solid var(--copper);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .24s var(--ease);
}
.page-privacy .drawer[open] .drawer-arrow {
  transform: rotate(225deg) translate(-2px, -2px);
}
.page-privacy .drawer-body {
  padding: 4px 16px 16px 44px;
  border-top: 1px solid rgba(138, 106, 47, .22);
  animation: privacyDrawerIn .24s var(--ease) both;
}
@keyframes privacyDrawerIn {
  from { opacity: 0; transform: translateY(-5px); }
  to   { opacity: 1; transform: none; }
}
.page-privacy .info-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(138, 106, 47, .22);
}
.page-privacy .info-row:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}
.page-privacy .info-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ash);
}
.page-privacy .info-val {
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 239, 228, .82);
}
@media (min-width: 560px) {
  .page-privacy .info-row {
    grid-template-columns: minmax(0, 8.5em) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-privacy .drawer-body {
    padding-left: 54px;
  }
}

/* ---------- 用途清单 ---------- */
.page-privacy .purpose-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-privacy .purpose-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: var(--p-hair-soft);
  transition: background .18s var(--ease);
}
.page-privacy .purpose-item:first-child {
  border-top: var(--p-hair-soft);
}
.page-privacy .purpose-item:hover {
  background: rgba(26, 74, 59, .38);
}
.page-privacy .purpose-idx {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--copper);
}
.page-privacy .purpose-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--porcelain);
}
.page-privacy .purpose-item p {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 239, 228, .78);
}

/* ---------- 保留期限 ---------- */
.page-privacy .retention-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}
.page-privacy .retention-card {
  position: relative;
  margin: 0;
  padding: 20px 20px 22px;
  border: var(--p-hair);
  border-radius: var(--radius);
  background: linear-gradient(162deg, rgba(26, 74, 59, .72), rgba(18, 59, 47, .68));
}
.page-privacy .retention-card--remote {
  background: linear-gradient(162deg, rgba(18, 59, 47, .74), rgba(10, 42, 33, .78));
}
.page-privacy .retention-card h3 {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--porcelain);
}
.page-privacy .retention-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .retention-card li {
  position: relative;
  padding-left: 17px;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 239, 228, .78);
}
.page-privacy .retention-card li:last-child {
  margin-bottom: 0;
}
.page-privacy .retention-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 7px;
  height: 1px;
  background: var(--copper);
}
@media (min-width: 720px) {
  .page-privacy .retention-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 第三方 ---------- */
.page-privacy .third-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid rgba(138, 106, 47, .42);
}
.page-privacy .third-item {
  position: relative;
  padding: 14px 0 14px 4px;
}
.page-privacy .third-item + .third-item {
  border-top: var(--p-hair-soft);
}
.page-privacy .third-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 24px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--copper);
}
.page-privacy .third-item .label {
  display: block;
  margin-bottom: 6px;
  color: var(--ash);
}
.page-privacy .third-item p {
  margin: 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 239, 228, .8);
}

/* ---------- 权利（唯一暖色强调区） ---------- */
.page-privacy .doc-section.section-rights {
  margin-top: clamp(36px, 5.5vw, 56px);
  padding: clamp(24px, 3.6vw, 34px);
  border: 1px solid var(--p-warm);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(226, 169, 59, .09), rgba(18, 59, 47, .72) 58%);
}
.page-privacy .section-rights .sec-idx {
  color: var(--gold);
}
.page-privacy .rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 20px 0 26px;
  border: 1px solid rgba(226, 169, 59, .3);
  border-radius: 2px;
  overflow: hidden;
  background: rgba(226, 169, 59, .22);
}
.page-privacy .right-card {
  margin: 0;
  padding: 16px 18px 18px;
  background: rgba(10, 42, 33, .88);
}
.page-privacy .right-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--gold);
}
.page-privacy .right-card p {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(243, 239, 228, .8);
}
@media (min-width: 640px) {
  .page-privacy .rights-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-privacy .how-to {
  padding-top: 20px;
  border-top: 1px solid rgba(226, 169, 59, .3);
}
.page-privacy .how-to h3 {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--porcelain);
}
.page-privacy .how-to ol {
  list-style: none;
  counter-reset: privacyHowto;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}
.page-privacy .how-to li {
  position: relative;
  counter-increment: privacyHowto;
  padding-left: 30px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(243, 239, 228, .82);
}
.page-privacy .how-to li::before {
  content: counter(privacyHowto, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .14em;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--gold);
}
.page-privacy .how-to-note {
  margin: 0 0 20px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}
.page-privacy .how-to-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

/* ---------- 更新说明 ---------- */
.page-privacy .doc-section#p-update p {
  color: rgba(243, 239, 228, .78);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 480px) {
  .page-privacy .hero-tags {
    gap: 8px 16px;
  }
  .page-privacy .drawer-body {
    padding-left: 16px;
  }
  .page-privacy .third-list {
    padding-left: 18px;
  }
  .page-privacy .third-item::before {
    left: -21px;
  }
  .page-privacy .purpose-item {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .drawer-body {
    animation: none;
  }
  .page-privacy .drawer,
  .page-privacy .purpose-item,
  .page-privacy .toc-list a,
  .page-privacy .drawer-arrow {
    transition: none;
  }
}