.page-privacy {
  --privacy-gap: clamp(26px, 3.4vw, 52px);
  display: block;
  padding-bottom: clamp(60px, 9vw, 120px);
}

/* ============ 首屏 ============ */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(18px, 2.6vw, 34px);
  overflow: hidden;
  isolation: isolate;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  top: -34%;
  height: 620px;
  background:
    radial-gradient(58% 66% at 16% 16%, rgba(40, 224, 208, .18), transparent 64%),
    radial-gradient(46% 58% at 88% 6%, rgba(255, 138, 61, .14), transparent 68%),
    radial-gradient(72% 78% at 52% 0%, rgba(43, 140, 255, .16), transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.page-privacy .privacy-hero .breadcrumb {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__grid {
  position: relative;
  z-index: 1;
  margin-top: clamp(22px, 3vw, 40px);
  display: grid;
  gap: var(--privacy-gap);
  align-items: end;
}

.page-privacy .privacy-hero__copy {
  display: grid;
  gap: clamp(14px, 1.6vw, 20px);
}

.page-privacy .privacy-hero__copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.4vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: .04em;
  color: var(--text-strong);
  text-transform: none;
}

.page-privacy .privacy-hero__copy h1::after {
  content: "";
  display: block;
  width: clamp(64px, 12vw, 132px);
  height: 4px;
  margin-top: clamp(14px, 1.8vw, 22px);
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--cyan), var(--blue) 48%, var(--orange));
}

.page-privacy .privacy-hero__copy .lede {
  margin: 0;
  max-width: 62ch;
  color: var(--text);
  font-size: clamp(1rem, 1.15vw, 1.08rem);
  line-height: 1.82;
}

.page-privacy .privacy-hero__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .privacy-hero__figure {
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
}

.page-privacy .privacy-hero__figure img {
  max-width: 100%;
  height: auto;
  opacity: .74;
}

/* ============ 正文骨架 ============ */
.page-privacy .privacy-body {
  margin-top: clamp(36px, 5vw, 76px);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(28px, 3.8vw, 52px);
}

/* ============ 章节索引 ============ */
.page-privacy .privacy-toc {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2vw, 26px);
  background: linear-gradient(165deg, rgba(30, 58, 110, .55), rgba(16, 31, 68, .82));
  box-shadow: var(--shadow-card);
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--text-dim);
  text-decoration: none;
  font-size: .94rem;
  line-height: 1.5;
  transition: color .22s ease, background .22s ease, border-color .22s ease, transform .22s ease;
}

.page-privacy .privacy-toc__link .mono {
  flex: none;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--text-strong);
  background: rgba(40, 224, 208, .09);
  border-left-color: var(--cyan);
  transform: translateX(3px);
  outline: none;
}

.page-privacy .privacy-toc__cta {
  width: 100%;
  justify-content: center;
}

/* ============ 章节正文 ============ */
.page-privacy .privacy-article {
  min-width: 0;
}

.page-privacy .privacy-chapter {
  position: relative;
  padding-bottom: clamp(28px, 3.6vw, 50px);
  margin-bottom: clamp(28px, 3.6vw, 50px);
  scroll-margin-top: 132px;
}

.page-privacy .privacy-chapter::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(40, 224, 208, .5), rgba(43, 140, 255, .32) 45%, rgba(255, 138, 61, .42));
  opacity: .6;
}

.page-privacy .privacy-chapter:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-chapter:last-of-type::after {
  display: none;
}

.page-privacy .privacy-chapter__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: clamp(16px, 2vw, 22px);
}

.page-privacy .privacy-chapter__idx {
  flex: none;
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--cyan);
  padding: 5px 12px;
  border: 1px solid rgba(40, 224, 208, .38);
  border-radius: var(--pill);
  background: rgba(40, 224, 208, .08);
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.86rem);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: .03em;
  color: var(--text-strong);
}

.page-privacy .privacy-chapter:target .privacy-chapter__idx {
  background: linear-gradient(135deg, var(--orange), var(--amber));
  border-color: rgba(255, 138, 61, .7);
  color: #07142c;
}

.page-privacy .privacy-chapter:target .privacy-chapter__title {
  color: var(--white);
}

.page-privacy .privacy-copy {
  display: grid;
  gap: 16px;
  color: var(--text);
  font-size: clamp(.98rem, 1.05vw, 1.04rem);
  line-height: 1.82;
}

.page-privacy .privacy-copy p {
  margin: 0;
  max-width: 74ch;
}

.page-privacy .privacy-copy a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-copy a:hover,
.page-privacy .privacy-copy a:focus-visible {
  color: var(--white);
}

/* ============ 条目列表 ============ */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text);
  line-height: 1.8;
  max-width: 72ch;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: .72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 0 3px rgba(40, 224, 208, .14);
}

.page-privacy .privacy-list b {
  color: var(--text-strong);
  font-weight: 600;
}

/* ============ 联系卡片 ============ */
.page-privacy .privacy-contact {
  margin-top: 24px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid rgba(40, 224, 208, .26);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(30, 58, 110, .76), rgba(11, 27, 58, .94)),
    radial-gradient(90% 120% at 100% 0%, rgba(255, 138, 61, .16), transparent 62%);
  box-shadow: var(--shadow-card);
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-privacy .privacy-contact__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-contact__mail {
  margin: 0;
  font-size: clamp(1.02rem, 1.9vw, 1.34rem);
  letter-spacing: .02em;
  color: var(--text-strong);
  word-break: break-all;
}

.page-privacy .privacy-contact__hint {
  margin: 0;
  max-width: 66ch;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-privacy .privacy-contact .btn {
  margin-top: 4px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__tags {
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: clamp(32px, 4vw, 64px);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 256px) minmax(0, 1fr);
    gap: clamp(40px, 4.4vw, 84px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 128px;
  }

  .page-privacy .privacy-article {
    padding-top: 4px;
  }
}

@media (max-width: 640px) {
  .page-privacy .privacy-chapter__head {
    gap: 10px;
  }

  .page-privacy .privacy-chapter__idx {
    padding: 4px 10px;
    font-size: .72rem;
  }

  .page-privacy .privacy-list li {
    padding-left: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-chapter__idx {
    transition: none;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    transform: none;
  }
}