.page-privacy {
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper-lite);
  padding-top: clamp(22px, 4vw, 40px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(31, 211, 232, 0.18) 1px, transparent 1.6px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(155deg, #000 0%, transparent 58%);
  mask-image: linear-gradient(155deg, #000 0%, transparent 58%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 0;
  width: 46%;
  height: 100%;
  background: linear-gradient(200deg, rgba(255, 90, 31, 0.22), rgba(255, 90, 31, 0) 62%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-hero__title {
  max-width: 20ch;
  margin-bottom: 16px;
}

.page-privacy .privacy-hero__lead {
  max-width: 46ch;
  color: rgba(255, 252, 246, 0.84);
}

.page-privacy .privacy-hero__actions {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-privacy .privacy-hero__media {
  position: relative;
  z-index: 2;
  display: block;
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-top: var(--rule) solid var(--lava);
  background: var(--ink-deep);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .privacy-hero__cap {
  display: block;
  padding: 10px clamp(16px, 4vw, 32px) 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
  background: var(--ink-deep);
  border-top: 1px solid rgba(199, 192, 178, 0.28);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-body {
  padding: clamp(32px, 5vw, 64px) 0 clamp(52px, 8vw, 96px);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  margin-bottom: clamp(28px, 5vw, 44px);
}

.page-privacy .privacy-toc__fold {
  border: var(--rule) solid var(--ink);
  border-radius: 2px;
  background: var(--paper-lite);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink);
}

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

.page-privacy .privacy-toc__summary::after {
  content: "＋";
  font-size: var(--fs-17);
  line-height: 1;
  color: var(--lava);
}

.page-privacy .privacy-toc__fold[open] .privacy-toc__summary::after {
  content: "－";
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mist);
}

.page-privacy .privacy-toc__list > li + li {
  border-top: 1px solid var(--mist);
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 16px;
  color: var(--graphite);
  text-decoration: none;
  font-size: var(--fs-14);
  line-height: 1.55;
  transition: background var(--t-fast) linear, color var(--t-fast) linear;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  background: var(--ink);
  color: var(--paper-lite);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  color: var(--lava-deep);
  transition: color var(--t-fast) linear;
}

.page-privacy .privacy-toc__link:hover .privacy-toc__num,
.page-privacy .privacy-toc__link:focus-visible .privacy-toc__num {
  color: var(--signal);
}

/* ---------- 条款 ---------- */
.page-privacy .privacy-doc {
  max-width: 42em;
}

.page-privacy .privacy-clause {
  position: relative;
  padding: clamp(26px, 4vw, 42px) 0 clamp(22px, 3.4vw, 34px) clamp(14px, 2vw, 20px);
  border-left: 3px solid transparent;
  border-top: 1px solid transparent;
}

.page-privacy .privacy-clause + .privacy-clause {
  border-top-color: var(--mist);
}

.page-privacy .privacy-clause + .privacy-clause::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 9px;
  background-image: repeating-linear-gradient(
    to right,
    var(--mist) 0 1px,
    transparent 1px 15px
  );
  pointer-events: none;
}

.page-privacy .privacy-clause--tint {
  border-left-color: var(--lava);
}

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(12px, 2vw, 18px);
}

.page-privacy .privacy-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-22);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lava);
}

.page-privacy .privacy-clause__title {
  margin: 0;
  color: var(--ink);
}

.page-privacy .privacy-clause__body {
  font-size: var(--fs-17);
  line-height: 1.78;
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 1em;
}

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

.page-privacy .privacy-inline-link {
  color: var(--lava-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--t-fast) linear;
}

.page-privacy .privacy-inline-link:hover,
.page-privacy .privacy-inline-link:focus-visible {
  color: var(--ink);
}

.page-privacy .privacy-inline-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-list > li {
  display: grid;
  gap: 3px 18px;
  padding: 12px 14px;
  background: var(--paper-lite);
  border: 1px solid var(--mist);
  border-left: 3px solid var(--ink);
  border-radius: 2px;
}

.page-privacy .privacy-list__k {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink);
}

.page-privacy .privacy-list__v {
  font-size: var(--fs-17);
  line-height: 1.72;
}

/* ---------- 提示条 ---------- */
.page-privacy .privacy-note {
  margin: 1.1em 0 0;
  padding: 13px 16px;
  background: var(--paper-lite);
  border-left: 3px solid var(--signal);
  font-size: var(--fs-14);
  line-height: 1.72;
}

/* ---------- 联系信息 ---------- */
.page-privacy .privacy-contact {
  margin: 1.2em 0;
  border: var(--rule) solid var(--ink);
  border-radius: 2px;
  background: var(--paper-lite);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-contact__row {
  display: grid;
  gap: 2px 18px;
  margin: 0;
  padding: 12px 16px;
}

.page-privacy .privacy-contact__row + .privacy-contact__row {
  border-top: 1px solid var(--mist);
}

.page-privacy .privacy-contact__k {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--lava-deep);
}

.page-privacy .privacy-contact__v {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 尾部指引 ---------- */
.page-privacy .privacy-footnote {
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(18px, 3vw, 26px);
  background: var(--ink);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
}

.page-privacy .privacy-footnote p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(255, 252, 246, 0.86);
}

.page-privacy .privacy-footnote .privacy-inline-link {
  color: var(--signal);
}

.page-privacy .privacy-footnote .privacy-inline-link:hover,
.page-privacy .privacy-footnote .privacy-inline-link:focus-visible {
  color: var(--paper-lite);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-list > li {
    grid-template-columns: 8.5em minmax(0, 1fr);
    align-items: baseline;
    padding: 13px 16px;
  }

  .page-privacy .privacy-contact__row {
    grid-template-columns: 7.5em minmax(0, 1fr);
    align-items: baseline;
    padding: 13px 18px;
  }
}

/* ---------- 桌面：右栏锚点目录 ---------- */
@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 258px;
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-doc {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 22px);
    margin-bottom: 0;
  }

  .page-privacy .privacy-toc__summary {
    display: none;
  }

  .page-privacy .privacy-toc__fold:not([open]) > .privacy-toc__body {
    display: block;
  }

  .page-privacy .privacy-toc__body {
    border-top: none;
  }

  .page-privacy .privacy-toc__list {
    border-top: none;
  }

  .page-privacy .privacy-list {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-toc__num,
  .page-privacy .privacy-inline-link {
    transition: none;
  }
}