.page-privacy {
  --privacy-border: 1px solid rgba(192, 192, 192, 0.55);
  --privacy-soft-line: 1px solid rgba(192, 192, 192, 0.4);
  background: var(--paper);
}

/* ===== Hero ===== */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.5rem) 0 clamp(1.75rem, 5vw, 3.5rem);
  background: var(--grad-paper);
}
.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(112deg, transparent 0%, transparent 54%, var(--green-deep) 54.6%, var(--green-deep) 100%);
  z-index: 0;
  display: none;
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-dark) 0%, var(--red-arena) 45%, var(--silver-metal) 100%);
  z-index: 1;
}
.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 1.5rem;
}
.page-privacy .privacy-hero__text h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2rem, 5.5vw, 3.75rem);
  font-weight: 200;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--green-deep);
}
.page-privacy .privacy-hero__text .lead-text {
  max-width: 62ch;
  margin: 0;
  color: var(--ink);
}
.page-privacy .privacy-hero__meta {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.5);
  border-left: 2px solid var(--red-arena);
  font-size: 0.8125rem;
  color: var(--green-deep);
}
.page-privacy .privacy-hero__meta p {
  margin: 0;
}

/* ===== TOC ===== */
.page-privacy .privacy-toc {
  padding: 0.85rem 0;
  border-block: var(--privacy-border);
  background: rgba(245, 240, 230, 0.72);
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}
.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid transparent;
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  border-color: var(--red-arena);
  background: rgba(211, 47, 47, 0.05);
}
.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold-dark);
}

/* ===== Document 纸张叠层 ===== */
.page-privacy .privacy-document {
  position: relative;
  background: var(--grad-paper);
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2.5rem, 6vw, 5rem);
  box-shadow: 0 2px 4px rgba(30, 30, 30, 0.04), 0 12px 32px rgba(30, 30, 30, 0.05);
}
.page-privacy .privacy-document::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-deep) 0%, var(--red-arena) 55%, var(--gold-dark) 100%);
}

/* ===== Chapter ===== */
.page-privacy .privacy-chapter {
  padding: clamp(1.75rem, 5vw, 3rem) 0;
  border-bottom: var(--privacy-border);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.page-privacy .privacy-chapter:hover,
.page-privacy .privacy-chapter:focus-within {
  background: rgba(184, 134, 11, 0.05);
  box-shadow: inset 3px 0 0 var(--gold-dark);
}
.page-privacy .privacy-chapter:last-of-type {
  border-bottom: 0;
}
.page-privacy .privacy-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.page-privacy .privacy-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 300;
  line-height: 1;
  color: var(--gold-dark);
  min-width: 1.2em;
}
.page-privacy .privacy-chapter__title {
  border-left: 3px solid var(--red-arena);
  padding-left: 0.9rem;
}
.page-privacy .privacy-chapter__title h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 200;
  line-height: 1.2;
}
.page-privacy .privacy-chapter__tag {
  margin: 0.45rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green-deep);
}
.page-privacy .privacy-chapter__body {
  margin-top: 1.5rem;
}
.page-privacy .privacy-chapter__body > p {
  margin: 0;
}
.page-privacy .privacy-chapter__body > p + p {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(192, 192, 192, 0.35);
}
.page-privacy .privacy-chapter__body > p + .privacy-list {
  margin-top: 1.25rem;
}

/* ===== List ===== */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .privacy-list li {
  padding: 1.15rem 0;
  border-bottom: var(--privacy-soft-line);
}
.page-privacy .privacy-list li:last-child {
  border-bottom: 0;
}
.page-privacy .privacy-list strong {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 0.9375rem;
  color: var(--green-deep);
}
.page-privacy .privacy-list p {
  margin: 0;
  max-width: 74ch;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ===== Security ===== */
.page-privacy .privacy-security__grid {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}
.page-privacy .privacy-security__text > p {
  margin: 0 0 1rem;
  max-width: 74ch;
}
.page-privacy .privacy-security__figure {
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--silver-metal);
  background: rgba(255, 255, 255, 0.45);
  text-align: center;
}
.page-privacy .privacy-security__figure img {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}
.page-privacy .privacy-security__figure figcaption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--green-deep);
}

/* ===== Contact card ===== */
.page-privacy .privacy-contact {
  padding-top: clamp(2rem, 6vw, 4rem);
}
.page-privacy .privacy-contact__card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 5vw, 3.25rem);
  background: var(--grad-green);
  color: var(--frost);
  box-shadow: 0 12px 32px rgba(11, 61, 46, 0.18);
}
.page-privacy .privacy-contact__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red-arena) 0%, var(--gold-dark) 48%, transparent 92%);
}
.page-privacy .privacy-contact__card .section-label {
  color: var(--gold-dark);
}
.page-privacy .privacy-contact__card h2 {
  margin: 0.65rem 0 0.8rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 300;
  line-height: 1.25;
}
.page-privacy .privacy-contact__card > p {
  max-width: 62ch;
  color: rgba(248, 252, 248, 0.82);
}
.page-privacy .privacy-contact__list {
  list-style: none;
  margin: 1.5rem 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.page-privacy .privacy-contact__list li {
  padding: 0.65rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: rgba(255, 255, 255, 0.08);
  border-left: 2px solid var(--red-arena);
}
.page-privacy .privacy-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-privacy .privacy-contact__card .btn--primary {
  background: var(--red-arena);
  border-color: var(--red-arena);
  color: var(--frost);
}
.page-privacy .privacy-contact__card .btn--ghost {
  color: var(--frost);
  border-color: rgba(248, 252, 248, 0.55);
}

/* ===== Tablet & Desktop ===== */
@media (min-width: 768px) {
  .page-privacy .privacy-hero::before {
    display: block;
  }
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 58% 42%;
    gap: 2rem;
    align-items: end;
  }
  .page-privacy .privacy-hero__meta {
    background: transparent;
    border-left: 1px solid rgba(248, 252, 248, 0.55);
    border-bottom: 1px solid rgba(248, 252, 248, 0.55);
    padding: 0.6rem 0 0.6rem 1.25rem;
    color: var(--frost);
  }
  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
  }
  .page-privacy .privacy-toc__list a {
    justify-content: center;
    padding: 0.55rem 0.6rem;
  }
  .page-privacy .privacy-chapter__body {
    margin-top: 2rem;
    padding-left: clamp(2rem, 6vw, 4rem);
  }
}

@media (min-width: 880px) {
  .page-privacy .privacy-security__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: center;
  }
  .page-privacy .privacy-security__figure img {
    max-width: 260px;
  }
}