.page-privacy {
  --pp-line: rgba(37, 244, 208, .18);
  --pp-line-soft: rgba(37, 244, 208, .10);
  --pp-card-bg: rgba(11, 43, 36, .72);
  --pp-inset-bg: rgba(2, 8, 6, .55);
  --pp-shadow: 5px 5px 0 rgba(2, 8, 6, .7);
  padding-bottom: clamp(56px, 9vw, 108px);
}

.page-privacy .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(6px, 1vw, 10px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 26px);
  padding: clamp(24px, 4.4vw, 52px) clamp(20px, 4vw, 56px);
  border: var(--edge) solid var(--obsidian);
  background:
    linear-gradient(118deg, rgba(37, 244, 208, .12) 0%, rgba(37, 244, 208, 0) 44%),
    linear-gradient(300deg, rgba(255, 176, 32, .10) 0%, rgba(255, 176, 32, 0) 42%),
    var(--stand);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -42%;
  right: -12%;
  width: 52%;
  height: 186%;
  background: rgba(255, 176, 32, .06);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  bottom: 0;
  width: 72%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(37, 244, 208, 0) 100%);
}

.page-privacy .privacy-hero .label {
  margin: 0;
  color: var(--cyan);
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  max-width: 19ch;
  font-size: clamp(28px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.032em;
  color: var(--data-white);
  overflow-wrap: break-word;
}

.page-privacy .privacy-hero .lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 64ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--body-soft);
}

.page-privacy .privacy-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  max-width: 880px;
  margin-top: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--pp-line);
  background: var(--pp-line);
}

.page-privacy .privacy-hero__meta-item {
  padding: 13px 16px;
  background: var(--pp-inset-bg);
}

.page-privacy .privacy-hero__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-privacy .privacy-hero__val {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--data-white);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-hero__val--amber {
  color: var(--amber);
}

/* ---------- 首屏视觉 ---------- */
.page-privacy .privacy-visual {
  max-width: 840px;
  margin: clamp(24px, 3.6vw, 44px) 0 0;
}

.page-privacy .privacy-visual .media__caption {
  font-size: 12px;
  line-height: 1.65;
}

/* ---------- 分栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(30px, 5vw, 58px);
}

/* ---------- 索引栏 ---------- */
.page-privacy .index-rail {
  padding: 16px 14px;
  border: var(--edge) solid var(--obsidian);
  background: var(--pp-card-bg);
  box-shadow: var(--pp-shadow);
}

.page-privacy .index-rail__title {
  margin: 0 0 12px;
  color: var(--cyan);
}

.page-privacy .index-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .index-rail__list > li {
  flex: 0 0 auto;
}

.page-privacy .index-rail__link {
  display: block;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  color: var(--mint);
  font-size: 12.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.page-privacy .index-rail__link:hover {
  color: var(--cyan-soft);
  background: rgba(37, 244, 208, .06);
}

.page-privacy .index-rail__link[aria-current="true"] {
  border-left-color: var(--cyan);
  background: rgba(37, 244, 208, .10);
  color: var(--data-white);
}

/* ---------- 条款 ---------- */
.page-privacy .clause {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--pp-line-soft);
}

.page-privacy .clause + .clause {
  margin-top: clamp(30px, 4.4vw, 56px);
}

.page-privacy .clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .clause__num {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--hairline-amber);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-privacy .clause__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.018em;
  color: var(--data-white);
}

.page-privacy .clause > p {
  margin: 14px 0 0;
  max-width: 70ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-soft);
  overflow-wrap: break-word;
}

.page-privacy .pp-num {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--amber);
}

/* ---------- 卡片网格 ---------- */
.page-privacy .pp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-privacy .pp-card {
  padding: 18px 18px 20px;
  border: var(--edge) solid var(--obsidian);
  border-top: 3px solid var(--hairline);
  background: var(--pp-card-bg);
  box-shadow: var(--pp-shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-top-color .18s ease;
}

.page-privacy .pp-card--amber {
  border-top-color: var(--hairline-amber);
}

.page-privacy .pp-card:hover {
  transform: translate(-4px, -4px);
  border-top-color: var(--cyan);
  box-shadow: 7px 7px 0 rgba(37, 244, 208, .18);
}

.page-privacy .pp-card__title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cyan-soft);
}

.page-privacy .pp-card__text {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--body-soft);
  overflow-wrap: break-word;
}

/* ---------- 提示块 ---------- */
.page-privacy .pp-note {
  max-width: 72ch;
  margin-top: clamp(18px, 2.4vw, 24px);
  padding: 14px 18px;
  border-left: 4px solid var(--cyan);
  background: rgba(37, 244, 208, .07);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-privacy .pp-note--amber {
  border-left-color: var(--amber);
  background: rgba(255, 176, 32, .08);
}

/* ---------- 折叠面板 ---------- */
.page-privacy .pp-fold {
  max-width: 72ch;
  margin-top: clamp(20px, 2.6vw, 28px);
  border: var(--edge) solid var(--obsidian);
  background: var(--pp-inset-bg);
  box-shadow: var(--pp-shadow);
}

.page-privacy .pp-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--data-white);
}

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

.page-privacy .pp-fold__hint {
  flex: none;
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .pp-fold__hint::after {
  content: "展开";
}

.page-privacy .pp-fold[open] .pp-fold__hint::after {
  content: "收起";
}

.page-privacy .pp-fold__body {
  padding: 4px 16px 18px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-privacy .pp-fold__body p {
  margin: 12px 0 0;
  max-width: 66ch;
}

.page-privacy .pp-fold__body ul {
  margin: 12px 0 0;
  padding-left: 18px;
}

.page-privacy .pp-fold__body li {
  margin-top: 7px;
}

.page-privacy .pp-fold__body li::marker {
  color: var(--cyan);
}

/* ---------- 联系信息 ---------- */
.page-privacy .pp-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--pp-line);
  background: var(--pp-line);
}

.page-privacy .pp-contact__row {
  padding: 16px 18px;
  background: var(--pp-inset-bg);
}

.page-privacy .pp-contact__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-privacy .pp-contact__val {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--data-white);
  overflow-wrap: anywhere;
}

/* ---------- 站内链接 ---------- */
.page-privacy .pp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-privacy .pp-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--hairline);
  background: rgba(11, 43, 36, .62);
  color: var(--cyan-soft);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, color .18s ease;
}

.page-privacy .pp-link::after {
  content: "↗";
  font-size: 11px;
  color: var(--amber);
}

.page-privacy .pp-link:hover {
  transform: translate(-3px, -3px);
  border-color: var(--cyan);
  color: var(--data-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-privacy .privacy-layout > .index-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 20px);
    max-height: calc(100vh - var(--hdr-h) - 40px);
    overflow-y: auto;
  }

  .page-privacy .index-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-privacy .index-rail__list > li {
    flex: 1 1 auto;
  }

  .page-privacy .index-rail__link {
    white-space: normal;
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-hero h1 {
    font-size: 26px;
    letter-spacing: -.02em;
  }

  .page-privacy .pp-fold__summary {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-card,
  .page-privacy .pp-link,
  .page-privacy .index-rail__link {
    transition: none;
  }

  .page-privacy .pp-card:hover,
  .page-privacy .pp-link:hover {
    transform: none;
  }
}