.page-privacy {
  --grid-fine: rgba(201,146,74,.055);
  --grid-line: rgba(201,146,74,.11);
  --panel-ink: rgba(26,21,18,.55);
  --sec-lead: clamp(28px, 4vw, 46px);
  color: var(--silver);
  background: var(--ink);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-fine) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-fine) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.25) 46%, transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0,0,0,.85) 0%, rgba(0,0,0,.25) 46%, transparent 72%);
}

.page-privacy .crumbs {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(20px, 3vw, 34px) var(--gutter) 0;
}

.page-privacy .privacy-hero {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(24px, 4vw, 44px) var(--gutter) clamp(20px, 3vw, 32px);
}

.page-privacy .privacy-hero .placard {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2vw, 22px);
}

.page-privacy .privacy-title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--cream);
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  transform: scaleY(.94);
  transform-origin: left center;
  text-wrap: balance;
}

.page-privacy .privacy-hero .lede {
  max-width: 60ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: var(--silver);
  margin: 0;
}

.page-privacy .privacy-banner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  border: 0;
  background: none;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  background: var(--ink-2);
  filter: saturate(.85) contrast(1.02);
}

.page-privacy .privacy-banner .figure-cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-privacy .privacy-layout {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 60px) var(--gutter) clamp(56px, 9vw, 110px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3vw, 42px);
}

/* ---- 左侧章节索引 ---- */
.page-privacy .privacy-index {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(16px, 2vw, 22px) 0;
}

.page-privacy .index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-privacy .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-privacy .index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease, background-color var(--t-fast) ease;
}

.page-privacy .index-list a:hover,
.page-privacy .index-list a:focus-visible {
  color: var(--copper-bright);
  border-left-color: var(--copper);
  background: rgba(46,92,78,.28);
}

.page-privacy .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--copper);
  flex: 0 0 auto;
}

.page-privacy .index-foot {
  margin: 14px 0 0;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---- 正文 ---- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding: clamp(30px, 4.4vw, 52px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

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

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.2vw, 24px);
}

.page-privacy .sec-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: var(--fs-h2);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
  transform: scaleY(.94);
  transform-origin: left center;
}

.page-privacy .privacy-body .prose {
  max-width: 68ch;
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--silver);
  margin: 0 0 clamp(14px, 1.8vw, 20px);
}

.page-privacy .privacy-body .prose:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-body .prose a {
  color: var(--copper-bright);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color var(--t-fast) ease, text-decoration-color var(--t-fast) ease;
}

.page-privacy .privacy-body .prose a:hover,
.page-privacy .privacy-body .prose a:focus-visible {
  color: var(--neon);
  text-decoration-color: var(--neon-line);
}

.page-privacy .mail-link {
  letter-spacing: .04em;
  word-break: break-all;
}

/* ---- 三类信息条目 ---- */
.page-privacy .fact-list {
  list-style: none;
  margin: clamp(16px, 2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .fact-list > li {
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line-soft);
  position: relative;
}

.page-privacy .fact-list > li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: clamp(16px, 2.2vw, 24px);
  bottom: clamp(16px, 2.2vw, 24px);
  width: 2px;
  background: var(--bronze);
}

.page-privacy .fact-list > li {
  padding-left: clamp(16px, 2.2vw, 22px);
}

.page-privacy .fact-title {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--copper-bright);
  letter-spacing: .01em;
}

.page-privacy .fact-list p {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--silver);
}

/* ---- 奶油纸反白块 ---- */
.page-privacy .pull-quote {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.8vw, 30px);
  background: var(--cream);
  color: var(--ink-2);
  border-left: 3px solid var(--copper);
  font-size: 15.5px;
  line-height: 1.76;
  max-width: 64ch;
  box-shadow: 0 18px 40px -30px rgba(0,0,0,.9);
}

/* ---- 用途网格 ---- */
.page-privacy .use-grid {
  margin-top: clamp(16px, 2vw, 22px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .use-cell {
  background: var(--panel-ink);
  padding: clamp(18px, 2.4vw, 26px);
  border-left: 2px solid transparent;
  transition: border-color var(--t-mid) ease, background-color var(--t-mid) ease;
}

.page-privacy .use-cell:hover {
  border-left-color: var(--copper);
  background: rgba(46,92,78,.3);
}

.page-privacy .use-title {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--cream);
  letter-spacing: .01em;
}

.page-privacy .use-cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--silver);
}

/* ---- 补充说明折叠 ---- */
.page-privacy .arch-details {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  border: 1px solid var(--line-soft);
  background: rgba(14,21,18,.6);
  max-width: 68ch;
}

.page-privacy .arch-details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px clamp(16px, 2vw, 20px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--copper-bright);
  transition: background-color var(--t-fast) ease, color var(--t-fast) ease;
}

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

.page-privacy .arch-details > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--copper);
  transition: transform var(--t-mid) ease, color var(--t-fast) ease;
}

.page-privacy .arch-details[open] > summary::after {
  content: "－";
  color: var(--neon);
}

.page-privacy .arch-details > summary:hover,
.page-privacy .arch-details > summary:focus-visible {
  background: rgba(46,92,78,.32);
  color: var(--cream);
}

.page-privacy .details-body {
  padding: 2px clamp(16px, 2vw, 20px) clamp(16px, 2vw, 20px);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .details-body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--silver);
  max-width: 64ch;
}

/* ---- 规格清单 ---- */
.page-privacy .spec-list {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: clamp(12px, 1.6vw, 16px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .spec-row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .07em;
  color: var(--copper);
}

.page-privacy .spec-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---- 选择清单 ---- */
.page-privacy .choice-list {
  list-style: none;
  margin: clamp(14px, 1.8vw, 20px) 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  counter-reset: choice;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .choice-list > li {
  counter-increment: choice;
  position: relative;
  padding: clamp(13px, 1.8vw, 17px) 0 clamp(13px, 1.8vw, 17px) clamp(34px, 4vw, 44px);
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-privacy .choice-list > li::before {
  content: counter(choice, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: clamp(15px, 2vw, 19px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--bronze-moss);
}

.page-privacy .choice-list > li:hover::before {
  color: var(--copper-bright);
}

/* ---- 桌面：左索引 + 右正文 ---- */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(190px, 232px) minmax(0, 1fr);
    column-gap: clamp(38px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 112px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    padding: 4px 0 4px clamp(16px, 1.8vw, 22px);
    background: linear-gradient(180deg, rgba(46,92,78,.16), transparent 82%);
  }

  .page-privacy .index-title {
    margin-bottom: 16px;
  }

  .page-privacy .index-list a {
    padding: 9px 10px 9px 0;
    font-size: 14px;
    align-items: flex-start;
  }

  .page-privacy .use-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .use-cell {
    padding: clamp(20px, 2vw, 28px) clamp(18px, 1.8vw, 24px);
  }

  .page-privacy .spec-row {
    grid-template-columns: minmax(150px, 200px) minmax(0, 1fr);
    gap: clamp(14px, 2vw, 28px);
    align-items: baseline;
  }

  .page-privacy .fact-list > li {
    padding-left: clamp(20px, 2vw, 28px);
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-title {
    max-width: 22ch;
  }
}

/* ---- 减少动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .index-list a,
  .page-privacy .use-cell,
  .page-privacy .arch-details > summary,
  .page-privacy .arch-details > summary::after,
  .page-privacy .privacy-body .prose a {
    transition: none !important;
  }

  .page-privacy .privacy-title,
  .page-privacy .sec-title {
    transform: none;
  }
}