.page-privacy {
  --privacy-rule: rgba(17, 24, 38, .16);
  --privacy-teal-wash: rgba(15, 169, 160, .12);
  --privacy-cyan-wash: rgba(56, 242, 224, .16);
  --privacy-pad: clamp(18px, 4vw, 34px);
  background: var(--ink-0);
  color: var(--mist);
  overflow-x: hidden;
}

/* ---------- 深墨色顶部窄带 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 0;
  background:
    radial-gradient(130% 150% at 102% -10%, rgba(27, 58, 107, .62) 0%, rgba(6, 11, 24, 0) 62%),
    var(--ink-0);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(52%, 560px);
  height: 100%;
  background: repeating-linear-gradient(115deg, rgba(56, 242, 224, .07) 0 1px, transparent 1px 26px);
  -webkit-mask-image: linear-gradient(205deg, #000 0%, transparent 74%);
  mask-image: linear-gradient(205deg, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__kicker {
  margin: clamp(16px, 3vw, 26px) 0 0;
}

.page-privacy .privacy-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 5.6vw, 50px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--mist);
  max-width: 21ch;
  overflow-wrap: break-word;
}

.page-privacy .privacy-hero__lede {
  margin: 16px 0 0;
  max-width: 46ch;
  color: var(--dim);
  font-size: clamp(14px, 2.6vw, 16px);
  line-height: 1.8;
}

/* ---------- 元信息刻度 ---------- */

.page-privacy .privacy-meta {
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .privacy-meta__item {
  padding-left: 12px;
  border-left: 2px solid var(--rail-blue);
}

.page-privacy .privacy-meta__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-privacy .privacy-meta__item dd {
  margin: 5px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
  overflow-wrap: break-word;
}

.page-privacy .privacy-meta__item dd a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 章节索引 ---------- */

.page-privacy .privacy-index {
  margin-top: clamp(22px, 3.6vw, 36px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-index__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
  text-transform: uppercase;
}

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

.page-privacy .privacy-index__summary::after {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-index[open] .privacy-index__summary::after {
  content: "–";
}

.page-privacy .privacy-index__count {
  margin-left: auto;
  color: var(--slate);
}

.page-privacy .privacy-index__nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  padding: 4px 0 10px;
}

.page-privacy .privacy-index__link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 10px;
  border-radius: 5px;
  color: var(--dim);
  font-size: 14px;
  text-decoration: none;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.page-privacy .privacy-index__link .mono {
  font-size: 11px;
  color: var(--cyan-deep);
  letter-spacing: .1em;
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--mist);
  background: rgba(56, 242, 224, .1);
}

/* ---------- 顶部抽象视觉 ---------- */

.page-privacy .privacy-visual {
  position: relative;
  margin: clamp(24px, 4vw, 40px) auto 0;
  max-width: 1400px;
  background: var(--ink-1);
  border: 1px solid var(--line);
  border-bottom: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 36px), calc(100% - 36px) 100%, 0 100%);
  overflow: hidden;
}

.page-privacy .privacy-visual__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.82) brightness(.9);
}

.page-privacy .privacy-visual__cap {
  display: block;
  padding: 10px 16px;
  background: var(--ink-1);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 暖纸色正文 ---------- */

.page-privacy .privacy-body {
  position: relative;
  padding: clamp(38px, 6.5vw, 92px) 0 clamp(46px, 7vw, 104px);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(90deg, rgba(17, 24, 38, .045) 0 1px, transparent 1px 68px);
  color: var(--paper-ink);
}

.page-privacy .privacy-body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--cyan) 0 16%, var(--orange) 16% 22%, var(--rail-blue) 22% 100%);
}

.page-privacy .privacy-lead {
  margin: 0 0 clamp(26px, 4vw, 44px);
  font-family: var(--font-editorial);
  font-size: clamp(16px, 2.8vw, 20px);
  line-height: 1.9;
  color: var(--paper-ink);
  padding-bottom: clamp(20px, 3vw, 30px);
  border-bottom: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-block {
  padding-top: clamp(26px, 4.2vw, 46px);
  margin-top: clamp(26px, 4.2vw, 46px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-block:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-privacy .privacy-block__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(20px, 3.2vw, 28px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--paper-ink);
}

.page-privacy .privacy-block__num {
  flex: none;
  font-size: clamp(13px, 1.8vw, 15px);
  letter-spacing: .06em;
  color: var(--cyan-deep);
  transform: translateY(-2px);
}

.page-privacy .privacy-paragraph {
  margin: 0 0 14px;
  padding: 4px 10px;
  margin-left: -10px;
  margin-right: -10px;
  font-size: 15px;
  line-height: 1.9;
  color: #1c2534;
  border-radius: 6px;
  transition: background-color .18s var(--ease);
}

.page-privacy .privacy-paragraph:hover {
  background-color: var(--privacy-teal-wash);
}

.page-privacy .privacy-paragraph--tail {
  margin-top: 22px;
}

.page-privacy .privacy-paragraph a {
  color: #0b6d67;
  font-weight: 600;
  text-underline-offset: 3px;
}

.page-privacy .privacy-term {
  font-weight: 600;
  background: linear-gradient(180deg, transparent 64%, var(--privacy-cyan-wash) 64%);
  text-decoration: underline;
  text-decoration-color: var(--cyan-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- 条目清单 ---------- */

.page-privacy .privacy-list {
  margin: 18px 0 6px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
}

.page-privacy .privacy-list__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 12px;
  margin: 0 -12px;
  border-top: 1px solid var(--privacy-rule);
  border-radius: 6px;
  transition: background-color .18s var(--ease);
}

.page-privacy .privacy-list__item:hover {
  background-color: var(--privacy-teal-wash);
}

.page-privacy .privacy-list__term {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #0b6d67;
}

.page-privacy .privacy-list__desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: #28313f;
}

/* ---------- 联系通道 ---------- */

.page-privacy .privacy-channel {
  margin: 22px 0 0;
  padding: 20px;
  background: var(--ink-1);
  color: var(--mist);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  border-left: 3px solid var(--cyan);
}

.page-privacy .privacy-channel__list {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .privacy-channel__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
}

.page-privacy .privacy-channel__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-privacy .privacy-channel__row dd {
  margin: 0;
}

.page-privacy .privacy-channel__value {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-channel__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(138, 153, 176, .28);
  font-size: 12px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-privacy .privacy-list__item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-privacy .privacy-channel__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 820px) {
  .page-privacy .privacy-index__nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px 26px;
    padding: 6px 0 16px;
  }

  .page-privacy .privacy-visual {
    margin-left: auto;
    margin-right: auto;
  }

  .page-privacy .privacy-channel {
    padding: 26px 28px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-hero__title {
    max-width: 24ch;
  }

  .page-privacy .privacy-index__nav {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-privacy .privacy-index__link {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 10px;
    border-left: 2px solid var(--line);
    border-radius: 0 5px 5px 0;
  }

  .page-privacy .privacy-index__link:hover,
  .page-privacy .privacy-index__link:focus-visible {
    border-left-color: var(--cyan);
  }

  .page-privacy .privacy-lead {
    font-size: 20px;
  }
}

@media (min-width: 1320px) {
  .page-privacy .privacy-hero {
    padding-top: 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-paragraph,
  .page-privacy .privacy-list__item {
    transition: none;
  }
}
</main>