.page-privacy {
  position: relative;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(205, 191, 168, 0.28) 0 1px,
    transparent 1px 104px
  );
  opacity: 0.55;
}

.page-privacy .shell {
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(24px, 4vw, 44px);
  background:
    radial-gradient(130% 100% at 8% 0%, rgba(240, 138, 36, 0.14), transparent 62%),
    linear-gradient(180deg, #f8f2e8 0%, var(--c-paper) 100%);
  border-bottom: 1px solid var(--c-paper-edge);
}

.page-privacy .privacy-hero .eyebrow {
  margin-top: clamp(16px, 3vw, 26px);
}

.page-privacy .privacy-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 20em;
}

.page-privacy .privacy-hero .lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 40em;
  font-size: clamp(16px, 2.1vw, 18px);
  line-height: 1.75;
  color: var(--c-slate);
}

.page-privacy .privacy-visual {
  position: relative;
  margin: clamp(22px, 4vw, 38px) 0 0;
}

.page-privacy .privacy-visual::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: -6px;
  bottom: -6px;
  background: #e6dcc9;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
}

.page-privacy .privacy-visual img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  background: linear-gradient(160deg, var(--c-night-2), var(--c-night) 62%, var(--c-amber-deep));
}

.page-privacy .privacy-visual__caption {
  position: relative;
  z-index: 1;
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 两栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 46px);
  padding-block: clamp(26px, 5vw, 64px) clamp(34px, 6vw, 76px);
}

/* ---------- 左侧索引 ---------- */
.page-privacy .privacy-index {
  align-self: start;
}

.page-privacy .privacy-index__caption {
  margin: 0 0 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-ink);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-privacy .privacy-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-index__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 10px 8px 10px 4px;
  border-bottom: 1px dashed var(--c-paper-edge);
  color: var(--c-ink);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition:
    color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--c-amber-deep);
  background: rgba(240, 138, 36, 0.09);
  transform: translateX(2px);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-score);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--c-amber-deep);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-index__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* ---------- 条款小节 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .clause {
  border-top: 1px solid var(--c-paper-edge);
  padding-top: clamp(16px, 2.6vw, 24px);
  margin-bottom: clamp(18px, 3vw, 28px);
  scroll-margin-top: 96px;
}

.page-privacy .clause__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 0 0 6px;
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease);
}

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

.page-privacy .clause__summary:focus-visible {
  outline: 2px solid var(--c-sunset);
  outline-offset: 4px;
}

.page-privacy .clause__num {
  flex: none;
  min-width: 1.7em;
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.2vw, 38px);
  line-height: 0.95;
  color: var(--c-amber-deep);
  border-bottom: 2px solid rgba(240, 138, 36, 0.55);
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(19px, 3.2vw, 25px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-privacy .clause__chev {
  flex: none;
  width: 10px;
  height: 10px;
  margin-left: auto;
  border-right: 2px solid var(--c-slate);
  border-bottom: 2px solid var(--c-slate);
  transform: rotate(45deg) translate(-2px, -2px);
  transition:
    transform var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-privacy .clause:not([open]) .clause__chev {
  transform: rotate(-45deg) translate(-2px, 2px);
}

.page-privacy .clause__summary:hover .clause__chev {
  border-color: var(--c-sunset);
}

.page-privacy .clause[open] .clause__summary {
  margin-bottom: 14px;
}

.page-privacy .clause__body {
  max-width: 40em;
}

.page-privacy .clause__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-privacy .clause__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .clause__list {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-ink);
}

.page-privacy .clause__list li:last-child {
  margin-bottom: 0;
}

.page-privacy .clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--c-sunset);
}

.page-privacy .clause__body a {
  color: var(--c-amber-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .clause__body a:hover,
.page-privacy .clause__body a:focus-visible {
  color: var(--c-sunset);
}

/* ---------- 本地存储示意图 ---------- */
.page-privacy .boundary {
  display: grid;
  gap: 12px;
  margin: 4px 0 16px;
  padding: 14px 16px;
  background: #fbf7f0;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.page-privacy .boundary__label {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-slate);
}

.page-privacy .boundary__item {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink);
}

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

.page-privacy .boundary__divider {
  width: 100%;
  height: 0;
  border-top: 2px dashed var(--c-paper-edge);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin: 0 0 14px;
  padding: 12px 16px;
  background: #fbf7f0;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
}

.page-privacy .privacy-contact > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--c-paper-edge);
}

.page-privacy .privacy-contact > div:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-contact dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-slate);
}

.page-privacy .privacy-contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-ink);
  word-break: break-word;
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-next {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 4vw, 36px);
  padding-top: 18px;
  border-top: 2px solid var(--c-ink);
}

.page-privacy .privacy-next a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: #fbf7f0;
  border: 1px solid var(--c-paper-edge);
  border-radius: var(--radius);
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.55;
  text-decoration: none;
  transition:
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

.page-privacy .privacy-next a::after {
  content: "→";
  flex: none;
  font-family: var(--font-score);
  color: var(--c-sunset);
  transition: transform var(--t-fast) var(--ease);
}

.page-privacy .privacy-next a:hover,
.page-privacy .privacy-next a:focus-visible {
  border-color: var(--c-sunset);
  background: #fff6ea;
  transform: translateY(-1px);
}

.page-privacy .privacy-next a:hover::after,
.page-privacy .privacy-next a:focus-visible::after {
  transform: translateX(3px);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-privacy .boundary {
    grid-template-columns: minmax(0, 1fr) 0 minmax(0, 1fr);
    align-items: stretch;
  }

  .page-privacy .boundary__divider {
    width: 0;
    height: auto;
    min-height: 100%;
    border-top: 0;
    border-left: 2px dashed var(--c-paper-edge);
  }

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

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
    padding-right: 8px;
  }

  .page-privacy .privacy-index__list a {
    padding-right: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a,
  .page-privacy .clause__summary,
  .page-privacy .clause__chev,
  .page-privacy .privacy-next a,
  .page-privacy .privacy-next a::after,
  .page-privacy .clause__body a {
    transition: none;
  }

  .page-privacy .privacy-next a:hover,
  .page-privacy .privacy-index__list a:hover {
    transform: none;
  }
}