/* ===== 隐私中心 · 页面专属样式 ===== */
.page-privacy {
  --pv-hair: rgba(126, 155, 147, 0.2);
  --pv-grid: rgba(126, 155, 147, 0.055);
  --pv-cyan-soft: rgba(53, 242, 192, 0.1);
  position: relative;
  isolation: isolate;
  background: var(--ink);
  padding-bottom: clamp(3rem, 8vw, 6rem);
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 880px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--pv-grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--pv-grid) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(1.5rem, 5vw, 3rem);
  background:
    radial-gradient(125% 85% at 10% 0%, rgba(14, 58, 50, 0.9) 0%, rgba(16, 22, 26, 0) 62%);
}

.page-privacy .privacy-hero .crumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .privacy-hero__lead {
  max-width: 62rem;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0 0 0.85rem;
  font-size: 0.75rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.9;
}

.page-privacy h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 6.4vw, 4.1rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-privacy .privacy-hero__text {
  margin: clamp(1rem, 2.6vw, 1.6rem) 0 0;
  max-width: 44rem;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.9;
  color: rgba(232, 241, 238, 0.76);
}

.page-privacy .privacy-hero__banner {
  margin-top: clamp(1.9rem, 5vw, 3.1rem);
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pv-hair);
  clip-path: var(--cut-lg);
  background: linear-gradient(140deg, rgba(14, 58, 50, 0.92), rgba(27, 42, 51, 0.92));
}

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

/* ---------- 一页速览 ---------- */
.page-privacy .privacy-summary {
  position: relative;
  padding-top: clamp(2.4rem, 6vw, 4.4rem);
}

.page-privacy .privacy-summary__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 2rem;
  margin-bottom: clamp(1.1rem, 3vw, 1.9rem);
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .privacy-summary__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-privacy .privacy-summary__head p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--sage);
}

.page-privacy .privacy-cards {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 216px), 1fr));
}

.page-privacy .privacy-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.5rem;
  padding: 1.3rem 1.15rem 1.45rem;
  background: var(--slate);
  color: var(--mist);
  text-decoration: none;
  clip-path: var(--cut-sm);
  border-top: 2px solid rgba(53, 242, 192, 0.26);
  transition: transform 0.28s ease, background-color 0.28s ease, border-color 0.28s ease;
}

.page-privacy .privacy-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 242, 192, 0));
  opacity: 0;
  transition: opacity 0.28s ease;
}

.page-privacy .privacy-card:hover,
.page-privacy .privacy-card:focus-visible {
  transform: translateY(-2px);
  background: #21333d;
  border-top-color: var(--cyan);
}

.page-privacy .privacy-card:hover::after,
.page-privacy .privacy-card:focus-visible::after {
  opacity: 1;
}

.page-privacy .privacy-card__num {
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-privacy .privacy-card__title {
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.35;
}

.page-privacy .privacy-card__desc {
  font-size: 0.845rem;
  line-height: 1.72;
  color: rgba(232, 241, 238, 0.66);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.75rem);
  padding-top: clamp(2.75rem, 7vw, 4.75rem);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: 238px minmax(0, 1fr);
    align-items: start;
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }
}

/* ---------- 目录轨道 ---------- */
.page-privacy .privacy-toc {
  padding: 1.05rem 1.1rem 1.15rem;
  background: rgba(27, 42, 51, 0.55);
  border: 1px solid var(--pv-hair);
  clip-path: var(--cut-sm);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--hdr-bar) + 2rem);
  }
}

.page-privacy .privacy-toc__title {
  margin: 0 0 0.85rem;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--cyan);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.08rem;
  border-left: 1px solid rgba(53, 242, 192, 0.26);
}

.page-privacy .privacy-toc__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.56rem 0 0.56rem 0.95rem;
  font-size: 0.865rem;
  line-height: 1.5;
  color: var(--sage);
  text-decoration: none;
  transition: color 0.22s ease, background-color 0.22s ease;
}

.page-privacy .privacy-toc__link::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--gray);
  transition: background-color 0.22s ease, box-shadow 0.22s ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--mist);
  background: rgba(53, 242, 192, 0.06);
}

.page-privacy .privacy-toc__link:hover::before,
.page-privacy .privacy-toc__link:focus-visible::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 192, 0.16);
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--amber);
  opacity: 0.85;
}

/* ---------- 分节 ---------- */
.page-privacy .privacy-content {
  display: grid;
  gap: clamp(2.4rem, 5vw, 3.5rem);
  min-width: 0;
}

.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--hdr-bar) + 1.5rem);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.3rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .privacy-sec__num {
  flex: none;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.2vw, 1.85rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.25;
  color: var(--mist);
}

.page-privacy .privacy-sub {
  margin: clamp(1.5rem, 3vw, 2rem) 0 0.4rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-text {
  margin: 0 0 1.15rem;
  max-width: 46rem;
  font-size: 1rem;
  line-height: 1.88;
  color: rgba(232, 241, 238, 0.78);
}

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

.page-privacy .privacy-note {
  margin: 1.1rem 0 0;
  padding-left: 0.85rem;
  border-left: 2px solid rgba(53, 242, 192, 0.5);
  max-width: 44rem;
  font-size: 0.855rem;
  line-height: 1.8;
  color: var(--sage);
}

/* ---------- 信息块 ---------- */
.page-privacy .privacy-blocks {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  margin-top: 1.5rem;
}

@media (min-width: 760px) {
  .page-privacy .privacy-blocks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

.page-privacy .privacy-block {
  position: relative;
  padding: 1.2rem 1.1rem 1.3rem;
  background: rgba(27, 42, 51, 0.72);
  border: 1px solid var(--pv-hair);
  clip-path: var(--cut-sm);
}

.page-privacy .privacy-block__tag {
  display: inline-block;
  margin: 0 0 0.7rem;
  padding: 0.18rem 0.5rem;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: var(--pv-cyan-soft);
  border: 1px solid rgba(53, 242, 192, 0.26);
}

.page-privacy .privacy-block__title {
  margin: 0 0 0.7rem;
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

/* ---------- 列表 ---------- */
.page-privacy .privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.865rem;
  line-height: 1.72;
  color: rgba(232, 241, 238, 0.7);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
  opacity: 0.85;
}

.page-privacy .privacy-list--wide {
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-privacy .privacy-list--wide li {
  font-size: 0.955rem;
  line-height: 1.85;
  color: rgba(232, 241, 238, 0.78);
}

.page-privacy .privacy-list--wide li strong {
  color: var(--mist);
  font-weight: 700;
  margin-right: 0.15rem;
}

/* ---------- 保留期限表 ---------- */
.page-privacy .privacy-terms {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .privacy-terms li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.15rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--pv-hair);
}

@media (min-width: 640px) {
  .page-privacy .privacy-terms li {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 1.5rem;
  }
}

.page-privacy .privacy-terms__k {
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(232, 241, 238, 0.85);
}

.page-privacy .privacy-terms__v {
  font-size: 0.86rem;
  letter-spacing: 0.05em;
  color: var(--amber);
}

@media (min-width: 640px) {
  .page-privacy .privacy-terms__v {
    white-space: nowrap;
  }
}

/* ---------- 折叠块 ---------- */
.page-privacy .privacy-fold {
  margin-top: 1.15rem;
  background: rgba(27, 42, 51, 0.48);
  border: 1px solid var(--pv-hair);
  clip-path: var(--cut-sm);
}

.page-privacy .privacy-fold + .privacy-fold {
  margin-top: 0.55rem;
}

.page-privacy .privacy-fold > summary {
  position: relative;
  display: block;
  padding: 0.9rem 3rem 0.9rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.93rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
}

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

.page-privacy .privacy-fold > summary::after {
  content: "+";
  position: absolute;
  right: 1.05rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.25s ease;
}

.page-privacy .privacy-fold[open] > summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .privacy-fold__body {
  padding: 0 1.05rem 1rem;
  font-size: 0.895rem;
  line-height: 1.82;
  color: rgba(232, 241, 238, 0.72);
}

.page-privacy .privacy-fold__body p {
  margin: 0;
}

/* ---------- 操作与焦点 ---------- */
.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.page-privacy .privacy-card:focus-visible,
.page-privacy .privacy-toc__link:focus-visible,
.page-privacy .privacy-fold > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 大屏微调 ---------- */
@media (min-width: 1280px) {
  .page-privacy .privacy-hero__text {
    max-width: 47rem;
  }

  .page-privacy .privacy-text,
  .page-privacy .privacy-note {
    max-width: 48rem;
  }
}