.page-privacy {
  --pp-line: rgba(15, 46, 74, 0.12);
  --pp-grid-line: rgba(15, 46, 74, 0.055);
  --pp-on-dark: rgba(243, 237, 225, 0.84);
  --pp-on-dark-soft: rgba(169, 245, 239, 0.72);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(2rem, 6vw, 4rem));
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
  color: var(--paper);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(46, 230, 214, 0.18) 0%, rgba(46, 230, 214, 0) 58%),
    linear-gradient(162deg, var(--deep) 0%, var(--blueprint) 100%);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(169, 245, 239, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(169, 245, 239, 0.1) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 78%);
  pointer-events: none;
}

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

.page-privacy .privacy-hero .breadcrumb {
  color: var(--mist);
  font-size: 0.8125rem;
  margin-bottom: clamp(1.25rem, 4vw, 2.25rem);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 245, 239, 0.4);
}

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

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 1.75rem;
}

.page-privacy .privacy-hero .exhibit-label {
  color: var(--cyan);
}

.page-privacy .privacy-hero .title-hero {
  color: var(--paper);
  margin: 0.35rem 0 0.9rem;
}

.page-privacy .privacy-hero .lede {
  color: var(--pp-on-dark);
  max-width: 42ch;
  line-height: 1.8;
}

.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1.5rem;
  border-top: 1px solid rgba(169, 245, 239, 0.24);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--pp-on-dark-soft);
}

.page-privacy .privacy-hero__fig {
  margin: 0;
}

.page-privacy .privacy-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius);
  border: 1px solid rgba(169, 245, 239, 0.28);
  background: var(--blueprint);
  object-fit: cover;
}

.page-privacy .privacy-hero__fig figcaption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(243, 237, 225, 0.62);
}

/* ---------- 主体 ---------- */
.page-privacy .privacy-body {
  background: var(--bg-page);
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3rem, 7vw, 5rem);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

/* 目录 */
.page-privacy .privacy-toc {
  background: var(--blueprint);
  border-radius: var(--radius);
  padding: 1.1rem 1rem 1.25rem;
  box-shadow: var(--shadow-soft);
  min-width: 0;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 0.75rem;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--pp-on-dark-soft);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid rgba(169, 245, 239, 0.22);
  border-radius: var(--radius-sm);
  color: var(--mist);
  font-size: 0.875rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(46, 230, 214, 0.16);
  color: #fff;
  border-color: rgba(46, 230, 214, 0.5);
}

.page-privacy .privacy-toc__list a[data-active] {
  background: rgba(243, 182, 74, 0.18);
  border-color: rgba(243, 182, 74, 0.55);
  color: var(--paper);
  box-shadow: inset 3px 0 0 var(--amber);
}

.page-privacy .privacy-toc__num {
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .privacy-toc__note {
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(169, 245, 239, 0.18);
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--pp-on-dark-soft);
}

/* 阅读面 */
.page-privacy .privacy-sheet {
  min-width: 0;
  max-width: 100%;
  padding: clamp(1.25rem, 4vw, 2.75rem);
  border-radius: var(--radius);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--pp-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pp-grid-line) 1px, transparent 1px);
  background-size: 44px 44px;
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-clause {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  padding-top: clamp(1.6rem, 4vw, 2.4rem);
  border-top: 1px solid var(--pp-line);
}

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

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.6rem;
}

.page-privacy .privacy-clause__num {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--teal);
  flex: 0 0 auto;
}

.page-privacy .privacy-clause__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--blueprint);
}

.page-privacy .privacy-clause p {
  margin: 0.7rem 0;
  font-size: 1rem;
  line-height: 1.8;
}

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

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

.page-privacy .privacy-list {
  list-style: none;
  margin: 0.8rem 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.9688rem;
  line-height: 1.78;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.85rem;
  height: 2px;
  background: var(--amber);
}

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

.page-privacy .privacy-note {
  margin: 0.95rem 0 0;
  padding: 0.7rem 0.9rem 0.7rem 1rem;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(243, 182, 74, 0.12);
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--ink);
}

/* 折叠 */
.page-privacy .privacy-fold {
  margin: 1rem 0;
  padding: 0.3rem 0.9rem;
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.62);
}

.page-privacy .privacy-fold > summary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 0.1rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--blueprint);
}

.page-privacy .privacy-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold > summary::before {
  content: "+";
  display: inline-block;
  width: 1rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--teal);
}

.page-privacy .privacy-fold[open] > summary::before {
  content: "\2013";
}

.page-privacy .privacy-fold ol {
  margin: 0.1rem 0 0.9rem;
  padding-left: 1.4rem;
  display: grid;
  gap: 0.45rem;
}

.page-privacy .privacy-fold li {
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* 权利渠道 */
.page-privacy .privacy-channels {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-privacy .privacy-channels li {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pp-line);
  background: rgba(217, 228, 238, 0.5);
}

.page-privacy .privacy-channels__label {
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-channels__value {
  font-size: 0.9688rem;
  font-weight: 700;
  color: var(--blueprint);
  word-break: break-word;
}

.page-privacy .privacy-channels__hint {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--slate);
}

/* 联系区块 */
.page-privacy .privacy-contact {
  margin-top: clamp(1.8rem, 4.5vw, 2.75rem);
  padding: clamp(1.1rem, 3.5vw, 1.8rem);
  border-radius: var(--radius);
  background: var(--blueprint);
  color: var(--paper);
}

.page-privacy .privacy-contact__title {
  margin: 0 0 0.6rem;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .privacy-contact p {
  margin: 0.6rem 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(243, 237, 225, 0.86);
}

.page-privacy .privacy-contact .contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-privacy .privacy-contact .contact-list__key {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 0.15rem;
}

.page-privacy .privacy-contact .contact-list__value {
  font-size: 0.9688rem;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .privacy-contact__back {
  margin-top: 1.1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(169, 245, 239, 0.22);
  font-size: 0.8125rem;
}

.page-privacy .privacy-contact__back a {
  color: var(--mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__meta {
    gap: 0.6rem 2rem;
  }

  .page-privacy .privacy-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact .contact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3rem);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }

  .page-privacy .privacy-toc__list {
    display: block;
    overflow: visible;
  }

  .page-privacy .privacy-toc__list li + li {
    margin-top: 0.1rem;
  }

  .page-privacy .privacy-toc__list a {
    white-space: normal;
    padding: 0.6rem 0.35rem;
    border-color: transparent;
    border-bottom: 1px solid rgba(169, 245, 239, 0.14);
    border-radius: 0;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc__list li:last-child a {
    border-bottom: 0;
  }

  .page-privacy .privacy-toc__list a[data-active] {
    box-shadow: inset 3px 0 0 var(--amber);
    padding-left: 0.7rem;
  }

  .page-privacy .privacy-sheet {
    padding: clamp(2rem, 3.4vw, 3.25rem);
  }

  .page-privacy .privacy-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-sheet {
    max-width: 880px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a {
    transition: none;
  }
}