.page-privacy {
  --pv-toc-w: 236px;
  padding-bottom: clamp(48px, 7vw, 96px);
  background-image:
    linear-gradient(rgba(18, 41, 74, 0.34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 41, 74, 0.34) 1px, transparent 1px);
  background-size: 96px 96px, 96px 96px;
  background-position: -1px -1px;
}

.page-privacy a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  color: var(--paper);
  border-color: var(--orange);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

/* 页头 */
.pv-head {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(18px, 3vw, 34px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--blueprint);
}

.pv-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.pv-kicker__tag {
  padding: 3px 8px;
  border: 1px solid var(--blueprint);
  background: rgba(255, 138, 31, 0.1);
  color: var(--orange);
  letter-spacing: 0.14em;
}

.pv-head h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

.pv-lead {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--fog);
  opacity: 0.92;
}

.pv-head__figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--blueprint);
  background: var(--navy);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.pv-head__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(160deg, rgba(0, 229, 255, 0.12), transparent 55%);
}

.pv-head__figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  filter: saturate(1.05) contrast(1.02);
}

@media (min-width: 900px) {
  .pv-head {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: end;
  }
}

/* 目录 + 条款双栏 */
.pv-layout {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding-top: clamp(22px, 3vw, 40px);
}

.pv-toc {
  position: relative;
  padding: 18px 18px 16px;
  border: 1px solid var(--blueprint);
  background: rgba(12, 20, 36, 0.78);
}

.pv-toc::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: 40%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.pv-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
}

.pv-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 2px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--fog);
  border: 0;
  border-bottom: 1px solid rgba(18, 41, 74, 0.85);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease), border-color 0.18s var(--ease);
}

.pv-toc__list a:hover,
.pv-toc__list a:focus-visible {
  color: var(--cyan);
  padding-left: 7px;
  border-bottom-color: var(--cyan);
}

.pv-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.pv-toc__list a:hover .pv-toc__no {
  color: var(--orange);
}

.pv-toc__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--slate);
}

@media (min-width: 960px) {
  .pv-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: clamp(32px, 4.4vw, 60px);
    align-items: start;
  }

  .pv-toc {
    position: sticky;
    top: 24px;
  }
}

/* 条款 */
.pv-body {
  min-width: 0;
}

.pv-clause {
  padding: clamp(22px, 3.2vw, 38px) 0;
  border-top: 1px solid var(--blueprint);
  scroll-margin-top: 88px;
}

.pv-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.pv-clause__head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 16px;
}

.pv-no {
  flex: none;
  padding: 3px 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--blueprint);
  background: rgba(0, 229, 255, 0.06);
}

.pv-clause h2 {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.pv-clause p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--fog);
}

.pv-clause p:last-child {
  margin-bottom: 0;
}

/* 信息分类 */
.pv-facts {
  display: grid;
  gap: 1px;
  margin: 18px 0 6px;
  padding: 1px;
  background: var(--blueprint);
  border: 1px solid var(--blueprint);
}

.pv-facts > div {
  background: rgba(12, 20, 36, 0.94);
  padding: 15px 16px;
}

.pv-facts dt {
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.pv-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fog);
}

@media (min-width: 640px) {
  .pv-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 用途列表 */
.pv-uses {
  margin: 18px 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.pv-uses li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--blueprint);
  border-left: 3px solid var(--blue);
  background: rgba(7, 10, 18, 0.6);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.pv-uses li:hover {
  border-left-color: var(--cyan);
  transform: translateX(2px);
}

.pv-uses__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--magenta);
  padding-top: 2px;
}

.pv-uses div {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--slate);
}

.pv-uses strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

/* 提示框 */
.pv-note {
  margin: 18px 0;
  padding: 16px 18px;
  border: 1px solid var(--blueprint);
  border-left: 3px solid var(--orange);
  background: linear-gradient(100deg, rgba(255, 138, 31, 0.1), rgba(12, 20, 36, 0.4) 62%);
}

.pv-note p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--fog);
}

.pv-note strong {
  color: var(--orange);
  font-weight: 700;
}

/* 折叠条款 */
.pv-fold {
  margin: 12px 0 0;
  border: 1px solid var(--blueprint);
  background: rgba(7, 10, 18, 0.58);
}

.pv-fold + .pv-fold {
  margin-top: -1px;
}

.pv-fold > summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 14px 46px 14px 16px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

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

.pv-fold > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.pv-fold[open] > summary::after {
  content: "−";
}

.pv-fold > summary:hover,
.pv-fold > summary:focus-visible {
  background: rgba(30, 91, 255, 0.14);
  color: var(--cyan);
}

.pv-fold > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.pv-fold__body {
  padding: 13px 16px 16px;
  border-top: 1px solid var(--blueprint);
}

.pv-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--slate);
}

/* 联系方式 */
.pv-contact {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 18px;
  border: 1px solid var(--blueprint);
  background: rgba(12, 20, 36, 0.86);
  position: relative;
}

.pv-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
}

.pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
  padding-left: 8px;
}

.pv-contact__key {
  flex: none;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.pv-contact__note {
  margin: 6px 0 0;
  padding-left: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* 相关页面 */
.pv-links {
  display: grid;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--blueprint);
}

.pv-links a {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--blueprint);
  background: rgba(12, 20, 36, 0.72);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.pv-links a:hover,
.pv-links a:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  background: rgba(18, 41, 74, 0.7);
}

.pv-links__no {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.pv-links__label {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper);
}

.pv-links__hint {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--slate);
}

@media (min-width: 720px) {
  .pv-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-privacy {
    --pv-toc-w: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition: none !important;
    animation: none !important;
  }
}