.page-privacy {
  --pv-num: 84px;
  --pv-rule: rgba(233, 236, 239, 0.10);
  --pv-cyan-soft: rgba(47, 243, 217, 0.42);
  padding: clamp(20px, 4vw, 42px) 0 clamp(64px, 9vw, 108px);
  font-family: var(--sans);
  color: var(--c-text);
  -webkit-font-smoothing: antialiased;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  font-size: 13px;
  color: var(--c-text-2);
}

.page-privacy .breadcrumb ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  padding: 0;
  list-style: none;
}

.page-privacy .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(155, 166, 177, 0.5);
}

.page-privacy .breadcrumb a {
  color: var(--c-text-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--pv-cyan-soft);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-plate);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, rgba(11, 13, 16, 0.95) 16%, rgba(11, 13, 16, 0.56) 60%, rgba(11, 13, 16, 0.9) 100%);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(233, 236, 239, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(233, 236, 239, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-privacy .privacy-hero__body {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: clamp(30px, 5.5vw, 68px) clamp(20px, 4vw, 56px) clamp(32px, 5vw, 60px);
  border-left: 3px solid var(--c-red);
}

.page-privacy .privacy-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-size: clamp(36px, 6.2vw, 66px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.page-privacy .privacy-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--c-red), var(--c-wine));
}

.page-privacy .privacy-hero .lede {
  margin: 20px 0 0;
  max-width: 660px;
  font-size: 19px;
  line-height: 1.85;
  color: var(--c-text-2);
}

.page-privacy .privacy-hero__note {
  margin: 22px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-text-2);
}

/* 章节目录刻度 */
.page-privacy .privacy-toc {
  position: sticky;
  top: var(--strip-h);
  z-index: 4;
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 13, 16, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.page-privacy .privacy-toc__label {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-text-2);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: clamp(12px, 2vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 4px 2px;
  font-size: 14px;
  color: var(--c-text-2);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--c-text);
  border-bottom-color: var(--c-red);
}

.page-privacy .privacy-toc__list a .mono {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--c-cyan);
}

/* 条文 */
.page-privacy .privacy-doc {
  margin-top: clamp(4px, 1vw, 10px);
}

.page-privacy .privacy-chapter {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(26px, 4.5vw, 46px) 0;
  border-bottom: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--strip-h) + 76px);
}

.page-privacy .privacy-chapter:last-child {
  border-bottom: none;
}

.page-privacy .privacy-chapter__num {
  font-family: var(--mono);
  font-size: clamp(28px, 4.4vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--c-red);
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-chapter__body {
  min-width: 0;
}

.page-privacy .privacy-chapter__body h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-chapter__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
}

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

.page-privacy .privacy-list {
  margin: 8px 0 16px;
  padding: 0 0 0 clamp(14px, 2.2vw, 24px);
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-list li {
  position: relative;
  margin: 0 0 13px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text);
}

.page-privacy .privacy-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(14px, 2.2vw, 24px));
  top: 0.86em;
  width: 8px;
  height: 2px;
  background: var(--c-cyan);
  opacity: 0.8;
}

.page-privacy .pv-key {
  font-weight: 700;
  color: var(--c-text);
  padding: 0 1px;
  background-image: linear-gradient(transparent 68%, rgba(47, 243, 217, 0.28) 68%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

/* 联系方式块 */
.page-privacy .privacy-contact {
  margin: 0 0 18px;
  padding: clamp(16px, 2.4vw, 24px) clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line-cyan);
  background: linear-gradient(135deg, rgba(47, 243, 217, 0.08), rgba(200, 16, 46, 0.07));
}

.page-privacy .privacy-contact__label {
  margin: 0 0 8px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-text-2);
}

.page-privacy .privacy-contact__mail {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  color: var(--c-cyan);
  word-break: break-all;
}

/* 页尾指引 */
.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px 28px;
  margin-top: clamp(34px, 5vw, 56px);
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 34px);
  border: 1px solid var(--line);
  background: var(--c-plate);
}

.page-privacy .privacy-foot__text {
  margin: 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-privacy .privacy-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 滚动显现（仅支持的浏览器生效，不隐藏内容） */
@keyframes pv-reveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@supports (animation-timeline: view()) {
  .page-privacy [data-reveal] {
    animation: pv-reveal linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 30%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .page-privacy .privacy-toc__list a {
    transition: none;
  }
}

/* 桌面栅格 */
@media (min-width: 800px) {
  .page-privacy .privacy-chapter {
    grid-template-columns: var(--pv-num) minmax(0, 1fr);
    gap: 0 clamp(24px, 4vw, 52px);
  }

  .page-privacy .privacy-chapter__num {
    padding-top: 2px;
  }
}

/* 窄屏收束 */
@media (max-width: 620px) {
  .page-privacy .privacy-hero__body {
    border-left-width: 2px;
  }

  .page-privacy .privacy-toc {
    gap: 10px;
  }

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

  .page-privacy .privacy-chapter__num {
    font-size: 26px;
  }

  .page-privacy .privacy-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-privacy .privacy-foot__links {
    width: 100%;
  }

  .page-privacy .privacy-foot__links .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}