.page-privacy {
  --pp-doc-w: 720px;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--c-mist);
  overflow-x: clip;
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(139, 92, 246, 0.16), transparent 62%),
    radial-gradient(900px 480px at 6% 2%, rgba(51, 230, 255, 0.10), transparent 60%);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  display: grid;
  gap: clamp(20px, 3.4vw, 38px);
  padding: clamp(18px, 3vw, 34px) 0 clamp(26px, 4.4vw, 46px);
  border-bottom: 1px solid var(--c-line);
}

@media (min-width: 940px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

.page-privacy .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .hero-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  flex: none;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-violet));
}

.page-privacy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 50px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--c-ice);
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-privacy .hero-lead {
  max-width: 46em;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.85;
}

.page-privacy .hero-figure {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

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

.page-privacy .media-cap {
  margin: 0;
  padding: 10px 14px 12px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--c-mist);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(26px, 4.4vw, 44px);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4.6vw, 64px);
    align-items: start;
  }
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-index {
  padding: 16px 14px 14px;
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(11, 27, 51, 0.95), rgba(7, 17, 31, 0.7));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-index {
    position: sticky;
    top: 28px;
  }
}

.page-privacy .idx-title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-cyan);
}

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

.page-privacy .idx-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid var(--c-line);
  color: var(--c-mist);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-privacy .idx-list a:hover,
.page-privacy .idx-list a:focus-visible {
  color: var(--c-ice);
  border-left-color: var(--c-cyan);
  background: rgba(51, 230, 255, 0.07);
}

.page-privacy .idx-num {
  flex: none;
  font-size: 11px;
  color: var(--c-violet);
}

@media (min-width: 560px) and (max-width: 1023px) {
  .page-privacy .idx-list {
    grid-template-columns: 1fr 1fr;
    gap: 4px 10px;
  }
}

/* ---------- 文档 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--pp-doc-w);
}

.page-privacy .privacy-sec {
  padding: clamp(20px, 3vw, 30px) 0 clamp(22px, 3.4vw, 34px);
  border-top: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--bar) + 18px);
  transition: background-color 0.2s var(--ease);
}

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

.page-privacy .privacy-sec:target {
  background: linear-gradient(90deg, rgba(51, 230, 255, 0.08), rgba(139, 92, 246, 0.04) 55%, transparent 78%);
}

.page-privacy .sec-head {
  display: flex;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 14px;
}

.page-privacy .sec-num {
  flex: none;
  padding: 3px 7px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-privacy .privacy-doc p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
}

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

.page-privacy .pp-list {
  display: grid;
  gap: 10px;
  margin: 4px 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  transform: rotate(45deg);
}

.page-privacy .pp-list strong {
  font-weight: 600;
  color: var(--c-ice);
}

.page-privacy .pp-dl {
  display: grid;
  gap: 12px;
  margin: 8px 0 16px;
}

.page-privacy .pp-dl > div {
  padding: 12px 0 12px 14px;
  border-left: 2px solid var(--c-line);
}

.page-privacy .pp-dl dt {
  margin-bottom: 4px;
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-ice);
}

.page-privacy .pp-dl dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

@media (min-width: 760px) {
  .page-privacy .pp-dl > div {
    display: grid;
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-privacy .pp-dl dt {
    margin-bottom: 0;
  }
}

.page-privacy .callout {
  margin: 18px 0 4px;
  padding: 18px 20px;
  border: 1px solid rgba(51, 230, 255, 0.28);
  background: linear-gradient(135deg, rgba(51, 230, 255, 0.12), rgba(139, 92, 246, 0.10));
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-privacy .callout-title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-lime);
}

.page-privacy .callout p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-ice);
}

/* ---------- 权利条目 ---------- */
.page-privacy .rights {
  margin-top: 14px;
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .right-item {
  border-top: 1px solid var(--c-line);
}

.page-privacy .right-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 2px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ice);
  transition: color 0.16s var(--ease);
}

.page-privacy .right-item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .right-item summary:hover {
  color: var(--c-cyan);
}

.page-privacy .right-item summary .mono {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-violet);
}

.page-privacy .right-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-privacy .right-item[open] summary::after {
  content: "\2212";
}

.page-privacy .right-body {
  padding: 0 2px 16px 34px;
}

.page-privacy .right-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pp-contact {
  margin: 18px 0;
  padding: 6px 18px;
  border: 1px solid var(--c-line);
  background: linear-gradient(135deg, rgba(11, 27, 51, 0.95), rgba(139, 92, 246, 0.12));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-privacy .pp-contact-row {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14.5px;
  color: var(--c-ice);
  word-break: break-word;
}

.page-privacy .pp-contact-row:last-child {
  border-bottom: 0;
}

.page-privacy .pp-contact-row .mono {
  flex: none;
  min-width: 76px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-privacy .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 14px;
}

.page-privacy .pp-note {
  font-size: 13.5px;
  line-height: 1.75;
}

.page-privacy .pp-note a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy h1 {
    transform: none;
  }

  .page-privacy .idx-list a,
  .page-privacy .right-item summary,
  .page-privacy .privacy-sec {
    transition: none;
  }
}
</main>