.page-privacy {
  --prv-line: rgba(155, 176, 188, 0.22);
  --prv-line-strong: rgba(34, 224, 107, 0.42);
  --prv-measure: 34em;
  background: var(--ink);
  color: var(--paper);
}

/* 首屏 */
.page-privacy .prv-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 40px;
  background:
    linear-gradient(160deg, var(--ink-2) 0%, var(--ink) 62%);
  border-bottom: 1px solid var(--prv-line);
}

.page-privacy .prv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(76, 201, 240, 0.07) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(76, 201, 240, 0.05) 0 1px, transparent 1px 68px);
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-privacy .prv-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.85);
}

.page-privacy .prv-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-privacy .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--green-deep);
}

.page-privacy .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--green);
}

.page-privacy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
}

.page-privacy h1 {
  max-width: 15em;
  margin: 0;
  font-size: clamp(30px, 7.2vw, 62px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
  border-left: 4px solid var(--green);
  padding-left: 18px;
}

.page-privacy .prv-lede {
  max-width: 30em;
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 247, 242, 0.82);
}

.page-privacy .prv-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* 版式：窄目录 + 宽正文 */
.page-privacy .prv-layout {
  display: grid;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 72px;
}

.page-privacy .prv-toc {
  border: 1px solid var(--prv-line-strong);
  background: rgba(13, 34, 51, 0.72);
  padding: 20px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-privacy .prv-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gray);
}

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

.page-privacy .prv-toc-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 6px;
  border-bottom: 1px dashed var(--prv-line);
  font-size: 14px;
  color: rgba(243, 247, 242, 0.8);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, padding-left 160ms ease;
}

.page-privacy .prv-toc-list a:hover,
.page-privacy .prv-toc-list a:focus-visible {
  color: var(--ink);
  background: var(--green);
  padding-left: 12px;
}

.page-privacy .prv-toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--green-deep);
}

.page-privacy .prv-toc-list a:hover .prv-toc-num,
.page-privacy .prv-toc-list a:focus-visible .prv-toc-num {
  color: var(--ink);
}

/* 正文 */
.page-privacy .prv-body {
  min-width: 0;
}

.page-privacy .prv-sec {
  position: relative;
  padding: 26px 0 34px;
  border-top: 1px solid var(--prv-line);
}

.page-privacy .prv-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--green);
}

.page-privacy .prv-sec--last::before {
  background: var(--orange);
}

.page-privacy .prv-sec-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--green);
}

.page-privacy .prv-sec--last .prv-sec-num {
  color: var(--orange-soft);
}

.page-privacy .prv-sec h2 {
  margin: 0 0 16px;
  font-size: clamp(21px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--paper);
  letter-spacing: -0.005em;
}

.page-privacy .prv-sec p {
  max-width: var(--prv-measure);
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(243, 247, 242, 0.8);
}

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

.page-privacy .prv-sec a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green-deep);
}

.page-privacy .prv-sec a:hover,
.page-privacy .prv-sec a:focus-visible {
  color: var(--ink);
  background: var(--green);
  border-bottom-color: var(--green);
}

.page-privacy .prv-sec strong {
  color: var(--paper);
  font-weight: 700;
}

/* 条目列表 */
.page-privacy .prv-list {
  max-width: var(--prv-measure);
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .prv-list li {
  position: relative;
  padding: 12px 14px 12px 30px;
  background: rgba(13, 34, 51, 0.6);
  border-left: 2px solid var(--green-deep);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 247, 242, 0.82);
}

.page-privacy .prv-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 22px;
  width: 7px;
  height: 7px;
  background: var(--green);
  transform: rotate(45deg);
}

/* 用途面板 */
.page-privacy .prv-facts {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.page-privacy .prv-fact {
  border: 1px solid var(--prv-line);
  border-top: 2px solid var(--green-deep);
  background: linear-gradient(180deg, rgba(13, 34, 51, 0.9), rgba(7, 19, 31, 0.7));
  padding: 14px 16px 16px;
}

.page-privacy .prv-fact-k {
  margin: 0 0 8px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.14em;
  color: var(--green) !important;
}

.page-privacy .prv-fact-v {
  margin: 0 !important;
  font-size: 14px !important;
  line-height: 1.75 !important;
  color: rgba(243, 247, 242, 0.78) !important;
}

/* 强调引文 */
.page-privacy .prv-quote {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid var(--orange);
  background: rgba(255, 122, 26, 0.09);
}

.page-privacy .prv-quote p {
  margin: 0;
  font-size: 15px;
  color: var(--orange-soft);
  line-height: 1.75;
}

/* 折叠章节 */
.page-privacy .prv-details {
  max-width: var(--prv-measure);
  margin-top: 14px;
  border: 1px solid var(--prv-line);
  background: rgba(13, 34, 51, 0.45);
}

.page-privacy .prv-details summary {
  cursor: pointer;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  transition: background-color 160ms ease;
}

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

.page-privacy .prv-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--green);
  line-height: 1;
}

.page-privacy .prv-details[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-privacy .prv-details summary:hover {
  background: rgba(34, 224, 107, 0.1);
}

.page-privacy .prv-details-body {
  padding: 4px 16px 16px;
  border-top: 1px dashed var(--prv-line);
}

.page-privacy .prv-details-body p {
  margin: 12px 0 0 !important;
  font-size: 15px !important;
  color: rgba(243, 247, 242, 0.78) !important;
}

.page-privacy .prv-ordered {
  margin: 12px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(243, 247, 242, 0.78);
}

.page-privacy .prv-ordered li::marker {
  font-family: var(--font-mono);
  color: var(--orange-soft);
}

/* 共享类别 */
.page-privacy .prv-grid-2 {
  display: grid;
  gap: 10px;
  margin: 20px 0 22px;
}

.page-privacy .prv-mini {
  padding: 14px 16px;
  background: rgba(76, 201, 240, 0.06);
  border-left: 2px solid var(--cyan);
}

.page-privacy .prv-mini-k {
  margin: 0 0 6px !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  color: var(--cyan) !important;
  letter-spacing: 0.04em;
}

.page-privacy .prv-mini p:last-child {
  margin: 0 !important;
  font-size: 14px !important;
  line-height: 1.75 !important;
  color: rgba(243, 247, 242, 0.78) !important;
}

/* 联系卡 */
.page-privacy .prv-contact-card {
  margin-top: 20px;
  border: 1px solid var(--prv-line-strong);
  background:
    repeating-linear-gradient(0deg, rgba(155, 176, 188, 0.07) 0 1px, transparent 1px 34px),
    rgba(13, 34, 51, 0.9);
  padding: 6px 18px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-privacy .prv-contact-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--prv-line);
}

.page-privacy .prv-contact-row:last-child {
  border-bottom: none;
}

.page-privacy .prv-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--gray);
}

.page-privacy .prv-contact-value {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-privacy .prv-contact-value.num {
  font-family: var(--font-mono);
  color: var(--green);
}

.page-privacy .prv-after {
  margin-top: 22px !important;
  font-size: 15px !important;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .prv-hero {
    padding: 32px 0 56px;
  }

  .page-privacy .prv-layout {
    gap: 40px;
    padding-top: 56px;
  }

  .page-privacy .prv-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .prv-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .prv-contact-row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-privacy .prv-sec {
    padding: 32px 0 42px;
  }
}

/* 桌面：窄栏目录常驻 */
@media (min-width: 980px) {
  .page-privacy .prv-layout {
    grid-template-columns: var(--note-w) minmax(0, 1fr);
    gap: 56px;
    padding-bottom: 96px;
  }

  .page-privacy .prv-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy h1 {
    max-width: 13em;
    padding-left: 24px;
    border-left-width: 6px;
  }

  .page-privacy .prv-lede {
    font-size: 17px;
  }

  .page-privacy .prv-sec {
    padding: 36px 0 48px;
  }

  .page-privacy .prv-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc-list a,
  .page-privacy .prv-details summary {
    transition: none;
  }
}

@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy .prv-hero-img,
  .page-privacy .prv-toc {
    display: none;
  }

  .page-privacy .prv-layout {
    display: block;
    padding-top: 0;
  }

  .page-privacy .prv-details {
    border: none;
  }

  .page-privacy .prv-details-body {
    display: block;
  }
}