.page-privacy {
  --pv-read: 46rem;
}

/* ===== 首屏 ===== */
.page-privacy .pv-hero {
  position: relative;
  padding-block: clamp(26px, 4.5vw, 52px) clamp(30px, 5vw, 60px);
  background:
    radial-gradient(120% 92% at 84% 4%, rgba(53, 242, 160, .10), transparent 58%),
    linear-gradient(180deg, var(--bg-night), var(--bg));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .pv-hero-inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-privacy .pv-hero-copy {
  min-width: 0;
}

.page-privacy .pv-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .pv-lead {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mute);
}

.page-privacy .pv-hero-facts {
  list-style: none;
  margin: clamp(24px, 3.2vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-hero-facts li {
  position: relative;
  padding-top: 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mute);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-hero-facts li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--green);
}

.page-privacy .pv-hero-facts strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-hero-visual {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, var(--bg-panel), var(--bg-night));
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

.page-privacy .pv-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ===== 两栏骨架 ===== */
.page-privacy .pv-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(32px, 5vw, 64px) clamp(64px, 9vw, 120px);
  align-items: start;
}

.page-privacy .pv-article {
  min-width: 0;
  max-width: var(--pv-read);
}

/* ===== 左侧目录 ===== */
.page-privacy .pv-toc-title {
  display: none;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mute);
}

.page-privacy .pv-toc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .pv-toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .pv-toc-list a {
  display: block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mute);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

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

/* ===== 章节 ===== */
.page-privacy .pv-chapter {
  scroll-margin-top: calc(var(--header-h) + 32px);
  padding-block: clamp(30px, 4.4vw, 50px) clamp(24px, 3.4vw, 38px);
  border-top: 1px solid var(--line);
}

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

.page-privacy .pv-chapter-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 22px);
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-privacy .pv-chapter-num {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
  transition: color .22s var(--ease);
}

.page-privacy .pv-chapter-head h2 {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pv-chapter-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: .24em;
  width: 4px;
  height: .96em;
  border-radius: 2px;
  background: var(--green);
}

.page-privacy .pv-chapter:target .pv-chapter-num {
  color: var(--green);
}

.page-privacy .pv-chapter:target {
  border-top-color: rgba(53, 242, 160, .42);
}

.page-privacy .pv-chapter .prose p {
  margin: 0 0 1em;
}

.page-privacy .pv-chapter .prose p:last-child {
  margin-bottom: 0;
}

/* ===== 三类信息 ===== */
.page-privacy .pv-fact-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-fact {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--bg-panel);
  border-left: 3px solid var(--ridge);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-privacy .pv-fact:nth-child(1) {
  border-left-color: var(--green);
}

.page-privacy .pv-fact:nth-child(2) {
  border-left-color: var(--green-deep);
}

.page-privacy .pv-fact:nth-child(3) {
  border-left-color: var(--gold);
}

.page-privacy .pv-fact:hover {
  background: #12274f;
}

.page-privacy .pv-fact h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .pv-fact p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  opacity: .82;
}

.page-privacy .pv-meta {
  margin-top: 12px !important;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mute) !important;
  opacity: 1 !important;
}

.page-privacy .pv-meta::before {
  content: "来源 · ";
  color: var(--green-deep);
}

/* ===== 用途列表 ===== */
.page-privacy .pv-purpose-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-privacy .pv-purpose {
  position: relative;
  padding: clamp(16px, 2.4vw, 22px) 0 clamp(16px, 2.4vw, 22px) clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-purpose::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(24px, 3.2vw, 32px);
  width: 9px;
  height: 9px;
  border: 2px solid var(--green-deep);
  transform: rotate(45deg);
}

.page-privacy .pv-purpose h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-purpose p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
}

/* ===== 节点示意 ===== */
.page-privacy .pv-flow {
  margin: clamp(22px, 3vw, 32px) 0;
  padding: clamp(18px, 3vw, 28px);
  background: linear-gradient(158deg, var(--bg-panel), var(--bg-night));
  border: 1px solid var(--line);
}

.page-privacy .pv-flow-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pv-flow figcaption {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ===== 折叠 ===== */
.page-privacy .pv-details {
  margin-top: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: rgba(15, 34, 73, .55);
}

.page-privacy .pv-details > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 20px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  transition: color .2s var(--ease), background .2s var(--ease);
}

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

.page-privacy .pv-details > summary::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(45deg);
  transition: transform .22s var(--ease), margin .22s var(--ease);
}

.page-privacy .pv-details[open] > summary::before {
  transform: rotate(225deg);
  margin-top: 4px;
}

.page-privacy .pv-details > summary:hover {
  background: var(--green-soft);
}

.page-privacy .pv-details > summary:focus-visible {
  outline: 2px solid var(--green-deep);
  outline-offset: -3px;
}

.page-privacy .pv-details-body {
  padding: 0 20px 20px;
}

.page-privacy .pv-details-body p {
  margin: 0 0 .9em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-privacy .pv-details-body p:last-child {
  margin-bottom: 0;
}

/* ===== 权利步骤 ===== */
.page-privacy .pv-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 24px);
  align-items: start;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-step:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-step-num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 54px);
  font-weight: 700;
  line-height: .9;
  color: var(--gold);
  opacity: .92;
}

.page-privacy .pv-step-body {
  min-width: 0;
}

.page-privacy .pv-step-body h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mute);
  word-break: break-word;
}

/* ===== 末尾链接 ===== */
.page-privacy .pv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
}

/* ===== 回到顶部 ===== */
.page-privacy .pv-backtop {
  position: fixed;
  left: clamp(14px, 3vw, 26px);
  bottom: clamp(14px, 3vw, 26px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mute);
  text-decoration: none;
  background: rgba(5, 11, 26, .84);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-backtop:hover,
.page-privacy .pv-backtop:focus-visible {
  color: var(--green);
  border-color: var(--green-deep);
}

/* ===== 断点：小屏以上 ===== */
@media (min-width: 640px) {
  .page-privacy .pv-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-privacy .pv-fact-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-fact {
    border-left-width: 0;
    border-top: 3px solid var(--ridge);
  }

  .page-privacy .pv-fact:nth-child(1) {
    border-top-color: var(--green);
  }

  .page-privacy .pv-fact:nth-child(2) {
    border-top-color: var(--green-deep);
  }

  .page-privacy .pv-fact:nth-child(3) {
    border-top-color: var(--gold);
  }
}

/* ===== 断点：桌面 ===== */
@media (min-width: 900px) {
  .page-privacy .pv-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: 204px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .pv-toc-title {
    display: block;
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .pv-toc-list a {
    padding: 9px 14px 9px 16px;
    margin-left: -1px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14px;
    line-height: 1.55;
  }

  .page-privacy .pv-layout:has(#collect:target) .pv-toc a[href="#collect"],
  .page-privacy .pv-layout:has(#purpose:target) .pv-toc a[href="#purpose"],
  .page-privacy .pv-layout:has(#share:target) .pv-toc a[href="#share"],
  .page-privacy .pv-layout:has(#rights:target) .pv-toc a[href="#rights"],
  .page-privacy .pv-layout:has(#minors:target) .pv-toc a[href="#minors"],
  .page-privacy .pv-layout:has(#updates:target) .pv-toc a[href="#updates"] {
    color: var(--green);
    border-left-color: var(--green);
    background: var(--green-soft);
  }

  .page-privacy .pv-fact-list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-fact {
    border-left-width: 3px;
    border-top-width: 1px;
  }
}

/* ===== 降低动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-details > summary::before,
  .page-privacy .pv-toc-list a,
  .page-privacy .pv-fact,
  .page-privacy .pv-chapter-num,
  .page-privacy .pv-backtop {
    transition: none;
  }
}