.page-privacy {
  --pv-measure: 68ch;
  --pv-note: 108px;
  display: block;
  background: var(--ink);
  color: var(--cream);
}

.page-privacy .pv-topbar {
  padding-top: clamp(1.1rem, 2.6vw, 1.9rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(2.2rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3.2rem);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background:
    linear-gradient(90deg,
      var(--ice) 0,
      var(--ice) 96px,
      var(--flame) 96px,
      var(--flame) 168px,
      transparent 168px);
  pointer-events: none;
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 3.4vw, 2.6rem);
  align-items: end;
}

.page-privacy .pv-hero__copy {
  max-width: 60ch;
}

.page-privacy .pv-hero h1 {
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.22;
  letter-spacing: 0.005em;
  color: var(--cream);
}

.page-privacy .pv-hero__lede {
  margin: 1.25rem 0 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mute-2);
}

.page-privacy .pv-hero__figure {
  margin: 0;
}

.page-privacy .pv-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-privacy .pv-hero__figure .figure__cap {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--mute);
}

/* ---------- 条款索引 ---------- */
.page-privacy .pv-index {
  border-bottom: 1px solid var(--line);
  padding: clamp(1.4rem, 3vw, 2.1rem) 0;
}

.page-privacy .pv-index__label {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-index__list li {
  background: var(--ink);
  min-width: 0;
}

.page-privacy .pv-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.8rem 0.9rem;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease;
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  color: var(--ice-soft);
  background: var(--slate);
}

.page-privacy .pv-index__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pv-body {
  padding: clamp(2.4rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 5rem);
  background-image:
    linear-gradient(to right, rgba(65, 72, 82, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(65, 72, 82, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: 0 0;
  background-repeat: repeat;
}

.page-privacy .pv-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.7rem;
  padding: clamp(1.7rem, 3.4vw, 2.6rem) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pv-clause__meta {
  order: -1;
}

.page-privacy .pv-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--clay);
}

.page-privacy .pv-clause__text {
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-clause__text h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.1vw, 30px);
  line-height: 1.32;
  color: var(--cream);
}

.page-privacy .pv-clause__text h3 {
  margin: 1.7rem 0 0.45rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--ice-soft);
}

.page-privacy .pv-clause__text p {
  margin: 0 0 1.05rem;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--cream);
  word-break: break-word;
}

.page-privacy .pv-clause__text ul {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
}

.page-privacy .pv-clause__text ul li {
  position: relative;
  padding-left: 1.3rem;
  margin-bottom: 0.72rem;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--cream);
}

.page-privacy .pv-clause__text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 6px;
  background: var(--clay);
}

.page-privacy .pv-link {
  color: var(--ice-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

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

/* ---------- 展开式注解 ---------- */
.page-privacy .pv-term {
  margin: 1.2rem 0 0;
  padding: 0.15rem 0 0.15rem 0.95rem;
  border-left: 2px solid var(--moss);
}

.page-privacy .pv-term > summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--ice-soft);
}

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

.page-privacy .pv-term > summary::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-privacy .pv-term[open] > summary::before {
  content: "–";
}

.page-privacy .pv-term > summary:hover,
.page-privacy .pv-term > summary:focus-visible {
  color: var(--cream);
}

.page-privacy .pv-term p {
  margin: 0.55rem 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute-2);
}

/* ---------- 联系渠道 ---------- */
.page-privacy .pv-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0.4rem 0 1.4rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-channel {
  background: var(--slate);
  padding: 1rem 1.1rem;
  min-width: 0;
}

.page-privacy .pv-channel__label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-privacy .pv-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--cream);
  word-break: break-word;
}

/* ---------- 相关内容 ---------- */
.page-privacy .pv-related {
  margin-top: clamp(2.6rem, 5vw, 4rem);
  padding-top: clamp(1.4rem, 3vw, 2rem);
  border-top: 2px solid var(--ice);
}

.page-privacy .pv-related__label {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-privacy .pv-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-related__list li {
  background: var(--ink);
  min-width: 0;
}

.page-privacy .pv-related__list a {
  display: block;
  padding: 1.1rem 1.15rem;
  text-decoration: none;
  transition: background-color 160ms ease;
}

.page-privacy .pv-related__list a:hover,
.page-privacy .pv-related__list a:focus-visible {
  background: var(--slate);
}

.page-privacy .pv-related__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--cream);
}

.page-privacy .pv-related__list a:hover .pv-related__title,
.page-privacy .pv-related__list a:focus-visible .pv-related__title {
  color: var(--ice-soft);
}

.page-privacy .pv-related__desc {
  display: block;
  margin-top: 0.4rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mute-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .pv-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(2.4rem, 4vw, 4rem);
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-clause {
    grid-template-columns: minmax(0, var(--pv-measure)) var(--pv-note);
    column-gap: clamp(2rem, 4vw, 4rem);
    align-items: start;
  }

  .page-privacy .pv-clause__meta {
    order: 0;
    grid-column: 2;
    grid-row: 1;
    padding-top: 0.5rem;
    text-align: right;
  }

  .page-privacy .pv-num {
    font-size: 13px;
    letter-spacing: 0.24em;
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-index__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__list a,
  .page-privacy .pv-related__list a {
    transition: none;
  }
}