.page-privacy {
  --priv-accent: var(--frost-700);
  --priv-line: 1px solid var(--ice-300);
  background: var(--ice-050);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(26px, 4vw, 44px) clamp(34px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(22, 224, 210, .10) 0%, rgba(22, 224, 210, 0) 58%),
    linear-gradient(178deg, var(--ice-100) 0%, var(--ice-050) 74%);
  border-bottom: var(--priv-line);
  position: relative;
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(31, 96, 121, .07) 0 1px,
    rgba(31, 96, 121, 0) 1px 96px
  );
  pointer-events: none;
}

.page-privacy .privacy-hero > .mb-container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-privacy .privacy-hero__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 46ch;
}

.page-privacy .privacy-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

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

.page-privacy .privacy-hero__figure .mb-figure__frame {
  border: var(--priv-line);
  box-shadow: var(--shadow-paper);
  background: var(--ink-900);
}

@media (min-width: 880px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-main {
  background: var(--ice-050);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

@media (min-width: 940px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: clamp(44px, 5vw, 76px);
    align-items: start;
  }
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-toc {
  border-top: 2px solid var(--ink-900);
  padding-top: 14px;
  background: transparent;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--frost-700);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px 7px 10px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-700);
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  border-left-color: var(--cyan);
  background: var(--ice-100);
  color: var(--frost-700);
  outline: none;
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-read);
}

@media (min-width: 940px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: 24px;
    align-self: start;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }
}

/* ---------- 条目卡 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  min-width: 0;
}

.page-privacy .privacy-sec {
  position: relative;
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 32px) clamp(20px, 3vw, 28px);
  background: var(--paper);
  border: var(--priv-line);
  box-shadow: var(--shadow-paper);
  transition: box-shadow .22s ease, transform .22s ease;
}

.page-privacy .privacy-sec::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 56px;
  background: var(--cyan);
}

.page-privacy .privacy-sec:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-paper-hover);
}

.page-privacy .privacy-sec__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--frost-700);
}

.page-privacy .privacy-sec__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.28;
  letter-spacing: -.4px;
  color: var(--ink-900);
}

.page-privacy .privacy-sec__lead {
  margin: 0 0 16px;
  padding-left: 13px;
  border-left: 2px solid var(--cyan-read);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 11px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-700);
}

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

.page-privacy .privacy-sec__body strong {
  color: var(--cyan-read);
  font-weight: 600;
}

.page-privacy .privacy-sec__body--tail {
  margin-top: 16px;
}

.page-privacy .privacy-sec__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-sec__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-privacy .privacy-sec__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-privacy .privacy-sec__k {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--frost-700);
  border-bottom: 1px solid var(--ice-300);
}

.page-privacy .privacy-sec__take {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ice-300);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--frost-700);
}

/* 深色条目卡 */
.page-privacy .privacy-sec--ink {
  background: var(--ink-900);
  border-color: var(--ink-700);
  box-shadow: 4px 4px 0 rgba(11, 18, 32, .28);
}

.page-privacy .privacy-sec--ink .privacy-sec__num {
  color: var(--cyan);
}

.page-privacy .privacy-sec--ink .privacy-sec__title {
  color: var(--paper);
}

.page-privacy .privacy-sec--ink .privacy-sec__lead {
  color: var(--ice-100);
  border-left-color: var(--cyan);
}

.page-privacy .privacy-sec--ink .privacy-sec__body p,
.page-privacy .privacy-sec--ink .privacy-sec__list li {
  color: var(--ice-100);
}

.page-privacy .privacy-sec--ink .privacy-sec__k {
  color: var(--cyan);
  border-bottom-color: rgba(169, 196, 214, .35);
}

.page-privacy .privacy-sec--ink .privacy-sec__list li::before {
  background: var(--cyan);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-sec--contact {
  background: linear-gradient(180deg, var(--paper) 0%, var(--ice-050) 100%);
}

.page-privacy .privacy-contact {
  display: grid;
  border: var(--priv-line);
  background: var(--paper);
}

.page-privacy .privacy-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 16px;
  border-bottom: var(--priv-line);
}

.page-privacy .privacy-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-contact__row:nth-child(odd) {
  background: var(--ice-100);
}

.page-privacy .privacy-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--frost-700);
}

.page-privacy .privacy-contact__val {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-900);
  word-break: break-word;
}

.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

@media (min-width: 620px) {
  .page-privacy .privacy-contact__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 480px) {
  .page-privacy .privacy-sec__take {
    font-size: 13px;
  }

  .page-privacy .privacy-contact__actions .mb-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-sec,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }

  .page-privacy .privacy-sec:hover {
    transform: none;
  }
}