.page-privacy {
  --pv-cut: 16px;
  background: var(--void);
  color: var(--mist);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 48px) 0 clamp(34px, 6vw, 66px);
  background: var(--void);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(1.15) contrast(1.05);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(104deg, rgba(7, 11, 18, 0.97) 0%, rgba(7, 11, 18, 0.8) 48%, rgba(7, 11, 18, 0.34) 100%),
    radial-gradient(circle at 82% 18%, rgba(34, 245, 212, 0.16), transparent 58%),
    radial-gradient(circle at 96% 82%, rgba(255, 106, 26, 0.16), transparent 52%);
  pointer-events: none;
}

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

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 36px);
  padding-top: clamp(26px, 4.4vw, 52px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  order: 1;
  padding: 16px 18px 18px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

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

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 6px 8px 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.4;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  min-width: 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .privacy-toc__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 正文区 ---------- */
.page-privacy .privacy-main {
  order: 2;
  min-width: 0;
}

.page-privacy .privacy-sec {
  position: relative;
  padding: 0 0 clamp(24px, 3.2vw, 34px);
  margin-bottom: clamp(22px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-sec:last-child {
  margin-bottom: 0;
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  padding: 3px 10px 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--void);
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 9px) 100%, 0 100%);
}

.page-privacy .privacy-sec__title {
  position: relative;
  margin: 0;
  padding-left: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 27px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .privacy-sec__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 1.05em;
  transform: translateY(-50%) skewX(-12deg);
  background: var(--cyan);
}

.page-privacy .privacy-sec p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.8;
}

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

.page-privacy .key {
  color: var(--white);
  font-weight: 700;
  border-bottom: 2px solid var(--cyan);
  padding-bottom: 1px;
}

.page-privacy .privacy-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 245, 212, 0.45);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--orange);
}

/* ---------- 信息卡 ---------- */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 16px 0 18px;
}

.page-privacy .privacy-item {
  padding: 15px 16px 17px;
  background: linear-gradient(158deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pv-cut)), calc(100% - var(--pv-cut)) 100%, 0 100%);
}

.page-privacy .privacy-item__label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-item h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-privacy .privacy-item p {
  margin: 0;
  max-width: none;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy .privacy-grid--rights .privacy-item {
  background: var(--void-2);
  border-left: 3px solid var(--blue);
}

.page-privacy .privacy-item--line h3 {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
}

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

.page-privacy .privacy-list li {
  position: relative;
  max-width: 62ch;
  padding-left: 22px;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.78;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.72em;
  width: 9px;
  height: 9px;
  background: var(--blue);
  transform: rotate(45deg);
}

/* ---------- 联系块 ---------- */
.page-privacy .privacy-contact {
  margin: 4px 0 18px;
  padding: 18px 18px 20px;
  background: linear-gradient(120deg, rgba(30, 91, 255, 0.16), rgba(16, 26, 43, 0.9) 62%);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pv-cut)), calc(100% - var(--pv-cut)) 100%, 0 100%);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .privacy-contact__mail {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 1.7vw, 16px);
  line-height: 1.5;
  color: var(--white);
  word-break: break-all;
}

.page-privacy .privacy-contact__meta {
  margin: 0;
  max-width: 56ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 折叠附录 ---------- */
.page-privacy .privacy-appendix {
  margin-bottom: 10px;
  padding: 0 16px;
  background: var(--void-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
}

.page-privacy .privacy-appendix summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

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

.page-privacy .privacy-appendix summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--orange);
}

.page-privacy .privacy-appendix[open] summary::after {
  content: "–";
}

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

.page-privacy .privacy-appendix__body {
  padding: 12px 0 16px;
  border-top: 1px dashed var(--line);
}

.page-privacy .privacy-appendix__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 4px;
}

.page-privacy .privacy-next a {
  display: block;
  padding: 15px 16px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pv-cut) 100%, 0 calc(100% - var(--pv-cut)));
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-next a:hover,
.page-privacy .privacy-next a:focus-visible {
  background: var(--blue-soft);
  border-color: var(--blue);
}

/* ---------- 侧栏摘要 ---------- */
.page-privacy .privacy-side {
  order: 3;
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-privacy .privacy-card {
  padding: 16px 17px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
}

.page-privacy .privacy-card--accent {
  border-top-color: var(--orange);
  background: linear-gradient(165deg, rgba(255, 106, 26, 0.12), var(--panel-2) 58%);
}

.page-privacy .privacy-card__kicker {
  margin: 0 0 11px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .privacy-card ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-card li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

.page-privacy .privacy-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .privacy-card--accent li::before {
  background: var(--orange);
}

.page-privacy .privacy-card__foot {
  margin: 14px 0 0;
  padding-top: 11px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.55;
  color: var(--white);
  word-break: break-all;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-privacy .privacy-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1080px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 228px minmax(0, 1fr) 268px;
    align-items: start;
    gap: clamp(24px, 2.6vw, 40px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-side {
    position: sticky;
    top: 96px;
    grid-template-columns: minmax(0, 1fr);
  }
}

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