.page-privacy {
  --pv-body: #C3CDE8;
  --pv-rule: rgba(36, 50, 94, .78);
  display: block;
  background: var(--void);
  color: var(--pv-body);
  padding-bottom: clamp(56px, 9vw, 112px);
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--void-2) 0%, var(--void) 100%);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  opacity: .3;
  filter: saturate(.65) contrast(1.05);
  z-index: 0;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(78% 120% at 10% 0%, rgba(37, 214, 232, .16), transparent 62%),
    linear-gradient(180deg, rgba(6, 10, 24, .3) 0%, rgba(6, 10, 24, .94) 84%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(40px, 7vw, 88px);
  padding-bottom: clamp(34px, 6vw, 70px);
}

.page-privacy .privacy-hero .breadcrumb {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .privacy-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-privacy .privacy-hero .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}

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

.page-privacy h1 {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(38px, 8.5vw, 86px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-privacy .privacy-hero .lede {
  margin: 20px 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--pv-body);
}

.page-privacy .privacy-hero__meta {
  margin: 24px 0 0;
  padding-top: 14px;
  max-width: 64ch;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 概览条 ---------- */
.page-privacy .privacy-summary {
  margin-top: clamp(26px, 5vw, 50px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(180deg, var(--panel) 0%, var(--void-2) 100%);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-summary__list {
  display: grid;
  gap: 0;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-summary__list li {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0;
  border-top: 1px solid var(--pv-rule);
  font-size: 15px;
  line-height: 1.72;
}

.page-privacy .privacy-summary__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  padding-top: 5px;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(38px, 6vw, 74px);
}

.page-privacy .privacy-toc {
  padding: 16px 14px 18px;
  border: 1px solid var(--line);
  background: var(--void-2);
}

.page-privacy .privacy-toc .exhibit {
  margin: 0 0 12px;
}

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

.page-privacy .privacy-toc__list a {
  display: block;
  padding: 7px 9px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan);
  background: rgba(37, 214, 232, .08);
  outline: none;
}

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

/* ---------- 分节 ---------- */
.page-privacy .privacy-sec {
  padding: clamp(28px, 4.2vw, 46px) 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

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

.page-privacy .privacy-sec:target h2 {
  color: var(--cyan);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  padding-top: 7px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .privacy-sec__num::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  margin-top: 7px;
  background: var(--cyan);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
  transition: color .16s ease;
}

.page-privacy .privacy-sec__body > p {
  margin: 0 0 16px;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.8;
}

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

.page-privacy .privacy-sec__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 214, 232, .45);
  transition: background-color .16s ease, border-color .16s ease;
}

.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  border-bottom-color: var(--cyan);
  background: rgba(37, 214, 232, .1);
  outline: none;
}

/* ---------- 术语定义列表 ---------- */
.page-privacy .privacy-defs {
  display: grid;
  gap: 0;
  margin: 20px 0 18px;
  padding: 0;
}

.page-privacy .privacy-defs dt {
  padding-top: 16px;
  border-top: 1px solid var(--pv-rule);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-defs dd {
  margin: 8px 0 0;
  padding-bottom: 16px;
  max-width: 70ch;
  font-size: 15.5px;
  line-height: 1.8;
}

/* ---------- 要点列表 ---------- */
.page-privacy .privacy-list {
  display: grid;
  gap: 12px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  max-width: 70ch;
  padding: 12px 16px;
  border-left: 2px solid var(--cyan);
  background: rgba(18, 27, 56, .62);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-privacy .privacy-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 联系渠道 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-contact li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  max-width: 560px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: var(--void-2);
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .privacy-contact span {
  flex: 0 0 auto;
  min-width: 3em;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- 提示块 ---------- */
.page-privacy .privacy-note {
  max-width: 70ch;
  margin: 18px 0 0;
  padding: 12px 14px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(11, 18, 38, .72);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 480px) {
  .page-privacy .privacy-summary__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-privacy .privacy-summary__k {
    padding-top: 0;
  }

  .page-privacy .privacy-sec__head {
    gap: 12px;
  }

  .page-privacy .privacy-contact li {
    font-size: 13.5px;
  }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-summary__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
  }

  .page-privacy .privacy-summary__list li:nth-child(-n+2) {
    border-top: 0;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-body {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-sec h2,
  .page-privacy .privacy-sec__body a,
  .page-privacy .privacy-hero .breadcrumb a {
    transition: none;
  }
}