.page-privacy {
  position: relative;
  overflow-x: hidden;
  padding-block: clamp(20px, 3vw, 36px) clamp(72px, 9vw, 128px);
  color: var(--ink);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: min(760px, 82vh);
  background-image:
    linear-gradient(rgba(38, 49, 77, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 49, 77, 0.55) 1px, transparent 1px);
  background-size: 84px 84px;
  opacity: 0.2;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(#000 0%, transparent 94%);
  mask-image: linear-gradient(#000 0%, transparent 94%);
}

.page-privacy .privacy-wrap {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
}

.page-privacy .privacy-hero h1 .c-cyan {
  color: var(--cyan);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 62ch;
}

.page-privacy .privacy-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: clamp(6px, 1.6vw, 18px) 0 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* ---------- 目录 + 正文骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  background: rgba(11, 18, 36, 0.72);
  padding: 18px 18px 20px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--muted);
}

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

.page-privacy .privacy-toc__list li {
  border-top: 1px solid rgba(38, 49, 77, 0.7);
}

.page-privacy .privacy-toc__list li:first-child {
  border-top: 0;
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 2px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-privacy .privacy-toc__list a:hover {
  color: var(--cyan);
  padding-left: 6px;
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

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

/* ---------- 编号章节 ---------- */
.page-privacy .privacy-section {
  --accent: var(--cyan);
  scroll-margin-top: 92px;
}

.page-privacy .privacy-section--cyan { --accent: var(--cyan); }
.page-privacy .privacy-section--orange { --accent: var(--orange); }
.page-privacy .privacy-section--green { --accent: var(--green); }
.page-privacy .privacy-section--amber { --accent: var(--amber); }

.page-privacy .privacy-section details {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-section__head::marker {
  content: "";
}

.page-privacy .privacy-section__head::after {
  content: "";
  flex: 0 0 auto;
  align-self: center;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(45deg);
  transition: transform 0.22s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.page-privacy .privacy-section details:not([open]) .privacy-section__head::after {
  transform: rotate(-45deg);
}

.page-privacy .privacy-section__num {
  flex: 0 0 auto;
  padding: 2px 7px;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.7vw, 30px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-privacy .privacy-section__body {
  padding: 0 0 clamp(22px, 3.2vw, 36px);
  max-width: 70ch;
}

.page-privacy .privacy-section__body > p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.15vw, 16.5px);
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-section__body h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 10px;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.5vw, 19px);
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-privacy .privacy-section__body h3::before {
  content: "";
  flex: 0 0 auto;
  width: 14px;
  height: 2px;
  background: var(--accent);
}

.page-privacy .privacy-section__body ul {
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-section__body li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(15px, 1.15vw, 16.5px);
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-section__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 7px;
  height: 7px;
  background: var(--accent);
  transform: rotate(45deg);
  opacity: 0.85;
}

.page-privacy .privacy-section__body strong {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .privacy-section__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.42);
  transition: border-color 0.18s ease;
}

.page-privacy .privacy-section__body a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 联系方式条目 ---------- */
.page-privacy .privacy-section__body ul.privacy-contact {
  gap: 0;
  margin: 0 0 18px;
  border: 1px solid var(--line);
  background: rgba(20, 28, 49, 0.45);
}

.page-privacy .privacy-section__body ul.privacy-contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 13px 16px;
  border-top: 1px solid var(--line);
  color: var(--ink);
}

.page-privacy .privacy-section__body ul.privacy-contact li:first-child {
  border-top: 0;
}

.page-privacy .privacy-section__body ul.privacy-contact li::before {
  display: none;
}

.page-privacy .privacy-contact__k {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-privacy .privacy-contact__v {
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #05070e;
  background: var(--cyan);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background-color 0.18s ease;
}

.page-privacy .privacy-top:hover {
  background: var(--orange);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-section__body {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .page-privacy .privacy-section__head {
    gap: 10px;
  }

  .page-privacy .privacy-contact__k {
    flex: 0 0 100%;
  }

  .page-privacy .privacy-top {
    padding: 8px 12px;
    letter-spacing: 0.08em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-section__head::after,
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-top {
    transition: none;
  }
}
<<<END>>>