/* ===== page-privacy : 隐私中心 ===== */

.page-privacy {
  --pv-measure: 40rem;
  --pv-rail: 13.5rem;
  --pv-line: var(--line);
  --pv-pad: 2rem;

  position: relative;
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.25rem) 0 clamp(2.25rem, 5vw, 3.75rem);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(59, 232, 206, 0.13), transparent 60%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(31, 58, 51, 0.75) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 51, 0.75) 1px, transparent 1px);
  background-size: 88px 88px;
  opacity: 0.6;
  -webkit-mask-image: radial-gradient(circle at 26% 16%, #000 0%, transparent 76%);
  mask-image: radial-gradient(circle at 26% 16%, #000 0%, transparent 76%);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: -34%;
  right: -14%;
  width: 56%;
  height: 172%;
  pointer-events: none;
  transform: rotate(6deg);
  opacity: 0.4;
  background: linear-gradient(180deg, rgba(59, 232, 206, 0.2), rgba(255, 106, 43, 0.08));
}

.page-privacy .pv-hero-inner {
  position: relative;
  min-width: 0;
}

.page-privacy .pv-title {
  margin: 0.4rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 9vw, 5.5rem);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .pv-lead {
  max-width: 46ch;
  margin: 0 0 clamp(1.75rem, 4.5vw, 2.75rem);
  font-size: clamp(0.98rem, 2.1vw, 1.1rem);
  line-height: 1.9;
  color: var(--cyan-soft);
}

.page-privacy .pv-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--ink-deep);
  border-top: 1px solid var(--pv-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-privacy .pv-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(59, 232, 206, 0.07) 0 1px, transparent 1px 52px),
    linear-gradient(180deg, rgba(11, 31, 26, 0.1) 0%, rgba(7, 18, 15, 0.7) 100%);
}

/* ---- 主体两列 ---- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4.5vw, 2.5rem);
  align-items: start;
  padding-block: clamp(2.25rem, 6vw, 4.5rem);
  min-width: 0;
}

/* ---- 左侧小节索引 ---- */

.page-privacy .pv-toc {
  border: 0;
}

.page-privacy .pv-toc-sum {
  display: block;
  padding: 0 0 0.8rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-toc-sum::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-toc-sum::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pv-toc[open] .pv-toc-sum::after {
  content: "\2013";
}

.page-privacy .pv-toc-list {
  margin: 0;
  padding: 0 0 0.6rem;
  list-style: none;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-toc-list a {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy:has(#collect:target) .pv-toc-list a[href="#collect"],
.page-privacy:has(#purpose:target) .pv-toc-list a[href="#purpose"],
.page-privacy:has(#storage:target) .pv-toc-list a[href="#storage"],
.page-privacy:has(#retention:target) .pv-toc-list a[href="#retention"],
.page-privacy:has(#rights:target) .pv-toc-list a[href="#rights"],
.page-privacy:has(#updates:target) .pv-toc-list a[href="#updates"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---- 正文骨架：一条冷灰竖线 ---- */

.page-privacy .pv-body {
  position: relative;
  min-width: 0;
  max-width: var(--pv-measure);
  padding-left: clamp(1rem, 3.5vw, 2rem);
  border-left: 1px solid var(--pv-line);
}

.page-privacy .pv-body > p {
  margin: 0 0 var(--pv-pad);
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--white);
}

.page-privacy .pv-section {
  padding-block: clamp(1.75rem, 4.5vw, 2.75rem);
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: 6.5rem;
}

.page-privacy .pv-section > p {
  margin: 0 0 1.5rem;
  font-size: 0.97rem;
  line-height: 1.9;
  color: var(--white);
}

.page-privacy .pv-section > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-section:target .pv-sec-title {
  color: var(--cyan);
}

.page-privacy .pv-section:target .pv-sec-num {
  color: var(--lava);
}

.page-privacy .pv-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

.page-privacy .pv-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pv-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.95rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

/* ---- 01 定义式列表 ---- */

.page-privacy .pv-defs {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.page-privacy .pv-def {
  padding: 1.05rem 1.15rem;
  background: var(--veil);
  border-left: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 13px), calc(100% - 13px) 100%, 0 100%);
}

.page-privacy .pv-def dt {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--cyan-soft);
}

.page-privacy .pv-term {
  padding: 0.14rem 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--ink);
  background: var(--cyan);
  border-radius: 2px;
}

.page-privacy .pv-def dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--white);
}

/* ---- 02 用途 ---- */

.page-privacy .pv-uses {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-uses li {
  padding-top: 0.9rem;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-uses h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
}

.page-privacy .pv-uses p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---- 03 本地存储 ---- */

.page-privacy .pv-store {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-store li {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--pv-line);
  background:
    repeating-linear-gradient(90deg, rgba(59, 232, 206, 0.055) 0 1px, transparent 1px 46px),
    rgba(7, 18, 15, 0.66);
}

.page-privacy .pv-store-name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

.page-privacy .pv-store-desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--white);
}

.page-privacy .pv-store-life {
  display: block;
  margin-top: 0.35rem;
  font-style: italic;
  font-size: 0.82rem;
  color: var(--muted);
}

.page-privacy .pv-sub {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-steps {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding-left: 1.15rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--white);
}

.page-privacy .pv-steps li::marker {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---- 04 保存期限 ---- */

.page-privacy .pv-keep {
  display: grid;
  gap: 0;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-keep li {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-keep-k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.page-privacy .pv-keep-v {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--white);
}

/* ---- 05 权利 ---- */

.page-privacy .pv-rights {
  display: grid;
  gap: 0.9rem;
  margin: 0 0 1.75rem;
  padding: 0;
}

.page-privacy .pv-rights > div {
  display: grid;
  gap: 0.3rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--cyan);
}

.page-privacy .pv-rights dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--cyan-soft);
}

.page-privacy .pv-rights dd {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--white);
}

.page-privacy .pv-callout {
  padding: 1.1rem 1.2rem;
  border-left: 3px solid var(--cyan);
  background: linear-gradient(105deg, rgba(59, 232, 206, 0.15) 0%, rgba(59, 232, 206, 0.02) 68%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .pv-callout-k {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-callout p:last-child {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--white);
}

.page-privacy .pv-mail {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--cyan);
  word-break: break-all;
}

/* ---- 06 更新与联系 ---- */

.page-privacy .pv-links {
  display: grid;
  gap: 0;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-links li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--pv-line);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pv-links a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 232, 206, 0.35);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .pv-links a:hover,
.page-privacy .pv-links a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-privacy .pv-contact {
  display: grid;
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--pv-line);
}

.page-privacy .pv-contact > div {
  display: grid;
  gap: 0.2rem;
}

.page-privacy .pv-contact-k {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-contact-v {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--white);
  word-break: break-word;
}

/* ---- 回到顶部 ---- */

.page-privacy .pv-top-link {
  position: fixed;
  right: clamp(0.9rem, 3vw, 2rem);
  bottom: clamp(0.9rem, 3vw, 2rem);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 0.58rem 0.95rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cyan);
  background: rgba(7, 18, 15, 0.9);
  border: 1px solid rgba(59, 232, 206, 0.45);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .pv-top-link:hover,
.page-privacy .pv-top-link:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---- 响应式 ---- */

@media (min-width: 620px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.75rem;
  }

  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 1.5rem;
  }
}

@media (min-width: 720px) {
  .page-privacy .pv-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.75rem;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(2.25rem, 5vw, 4.5rem);
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 6.75rem;
    align-self: start;
  }

  .page-privacy .pv-toc-sum {
    cursor: default;
  }

  .page-privacy .pv-toc-sum::after {
    content: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-list a,
  .page-privacy .pv-links a,
  .page-privacy .pv-top-link {
    transition: none;
  }
}