/* ====== 隐私政策页面专属样式 · page-privacy ====== */
.page-privacy {
  --privacy-toc-w: 280px;
  --privacy-gap: clamp(24px, 4vw, 52px);
  background: var(--ky-bg-dark);
  color: var(--ky-text);
}

.page-privacy .breadcrumb {
  margin: 0 0 20px;
}

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--ky-border);
}

.page-privacy .privacy-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px, 38vw);
  height: 100%;
  background: var(--ky-surface);
  clip-path: polygon(30% 0, 100% 0, 94% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-privacy .privacy-hero::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ky-secondary) 0, var(--ky-secondary) 200px, var(--ky-cyan) 200px, var(--ky-cyan) 340px, transparent 340px);
  z-index: 2;
  pointer-events: none;
}

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

.page-privacy .privacy-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
}

.page-privacy .privacy-hero-copy {
  max-width: 680px;
}

.page-privacy .privacy-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  padding: 6px 14px 6px 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ky-cyan);
  background: rgba(0, 229, 204, 0.08);
  border: 1px solid rgba(0, 229, 204, 0.25);
  border-left: 3px solid var(--ky-cyan);
}

.page-privacy .privacy-kicker-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--ky-secondary);
  transform: rotate(45deg);
}

.page-privacy .privacy-hero-copy h1 {
  margin: 0 0 18px;
  font-family: var(--ky-font-heading);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ky-text);
}

.page-privacy .privacy-hero-desc {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 12px;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-meta-item::before {
  content: '◇';
  color: var(--ky-secondary);
  margin-right: 7px;
}

.page-privacy .privacy-hero-figure {
  position: relative;
}

.page-privacy .privacy-lock-card {
  position: relative;
  padding: clamp(14px, 3vw, 24px);
  background: var(--ky-surface);
  border: 1px solid var(--ky-border);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-privacy .privacy-lock-card::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1px dashed rgba(0, 229, 204, 0.25);
  pointer-events: none;
}

.page-privacy .privacy-lock-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 12px;
  color: var(--ky-secondary);
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
  transform: rotate(-4deg);
}

.page-privacy .privacy-lock-icon svg {
  display: block;
}

.page-privacy .privacy-lock-img {
  overflow: hidden;
  background: var(--ky-primary);
}

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

.page-privacy .privacy-figure-caption {
  margin: 12px 0 0;
  font-size: 11px;
  text-align: right;
  letter-spacing: 0.22em;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 44px);
  padding: clamp(28px, 5vw, 56px) 0 clamp(48px, 8vw, 88px);
  align-items: start;
}

.page-privacy .privacy-sidebar {
  position: static;
}

.page-privacy .privacy-toc {
  border: 1px solid var(--ky-border);
  background: var(--ky-surface);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-privacy .privacy-toc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ky-border);
}

.page-privacy .privacy-toc-mark {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-cyan);
}

.page-privacy .privacy-toc-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--ky-success);
}

.page-privacy .privacy-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ky-success);
  box-shadow: 0 0 8px rgba(76, 175, 80, 0.7);
}

.page-privacy .privacy-toc-list {
  display: flex;
  flex-direction: column;
  list-style: none;
  margin: 0;
  padding: 6px 0;
}

.page-privacy .privacy-toc-list li + li {
  border-top: 1px dashed rgba(46, 74, 102, 0.5);
}

.page-privacy .privacy-toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  color: var(--ky-text-dim);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .privacy-toc-link .mono {
  font-size: 12px;
  color: var(--ky-secondary);
  min-width: 22px;
}

.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus-visible {
  color: var(--ky-text);
  background: var(--ky-surface-alt);
  border-left-color: var(--ky-secondary);
  outline: none;
}

.page-privacy .privacy-sidebar-note {
  margin-top: 14px;
  padding: 16px;
  background: rgba(10, 37, 64, 0.6);
  border: 1px solid var(--ky-border);
  border-right: 3px solid var(--ky-cyan);
}

.page-privacy .privacy-note-title {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--ky-cyan);
  letter-spacing: 0.1em;
}

.page-privacy .privacy-note-text {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-note-time {
  margin: 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-content {
  min-width: 0;
}

.page-privacy .privacy-section {
  margin-bottom: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 3.5vw, 36px);
  background: var(--ky-surface);
  border: 1px solid var(--ky-border);
  border-left: 3px solid var(--ky-border);
  scroll-margin-top: calc(var(--ky-header-h) + 24px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-privacy .privacy-section:target {
  border-left-color: var(--ky-secondary);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 53, 0.3);
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ky-border);
}

.page-privacy .privacy-section-index {
  font-size: 14px;
  font-weight: 700;
  color: var(--ky-secondary);
  min-width: 28px;
}

.page-privacy .privacy-section-head h2 {
  margin: 0;
  font-family: var(--ky-font-heading);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ky-text);
}

.page-privacy .privacy-section-body > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ky-text-dim);
}

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

.page-privacy .privacy-list {
  list-style: none;
  margin: 16px 0;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px dashed rgba(46, 74, 102, 0.45);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-list li:last-child {
  border-bottom: none;
}

.page-privacy .privacy-list li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--ky-cyan);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  opacity: 0.75;
}

.page-privacy .privacy-list-title {
  display: block;
  color: var(--ky-text);
  font-weight: 700;
  margin-bottom: 2px;
}

.page-privacy .privacy-list li strong {
  color: var(--ky-text);
}

.page-privacy .privacy-list-tight li {
  padding: 8px 0 8px 22px;
}

.page-privacy .privacy-details {
  margin: 16px 0;
  border: 1px solid var(--ky-border);
  background: rgba(10, 37, 64, 0.4);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ky-cyan);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.2s ease;
}

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

.page-privacy .privacy-details summary:hover {
  color: var(--ky-secondary);
}

.page-privacy .privacy-details summary::before {
  content: '+';
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  background: var(--ky-secondary);
  color: var(--ky-text);
  font-size: 14px;
  line-height: 1;
  clip-path: polygon(0 0, calc(100% - 5px) 0, 100% 5px, 100% 100%, 0 100%);
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.page-privacy .privacy-details[open] summary::before {
  content: '−';
  background: var(--ky-cyan);
  color: var(--ky-bg-dark);
}

.page-privacy .privacy-details p {
  margin: 0;
  padding: 4px 16px 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-tip {
  display: flex;
  gap: 10px;
  padding: 12px 14px;
  margin: 16px 0 0;
  background: rgba(255, 107, 53, 0.08);
  border-left: 3px solid var(--ky-secondary);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-tip .mono {
  color: var(--ky-secondary);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.page-privacy .privacy-tip a,
.page-privacy .privacy-update-note a {
  color: var(--ky-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-privacy .privacy-tip a:hover,
.page-privacy .privacy-update-note a:hover {
  color: var(--ky-cyan);
}

.page-privacy .privacy-contact-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .privacy-contact-item {
  padding: 14px 16px;
  background: var(--ky-surface-alt);
  border-left: 3px solid var(--ky-border);
  transition: border-color 0.2s ease;
}

.page-privacy .privacy-contact-item:hover {
  border-left-color: var(--ky-secondary);
}

.page-privacy .privacy-contact-label {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ky-cyan);
}

.page-privacy .privacy-contact-value {
  display: block;
  margin-bottom: 5px;
  font-family: var(--ky-font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ky-text);
  word-break: break-all;
}

.page-privacy .privacy-contact-use {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-contact-service {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-top: 18px;
  padding: 12px 14px;
  border: 1px dashed var(--ky-border);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ky-text-dim);
}

.page-privacy .privacy-contact-service .mono {
  color: var(--ky-secondary);
}

.page-privacy .privacy-update-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ky-text-dim);
}

@media (min-width: 760px) {
  .page-privacy .privacy-contact-item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 4px 16px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact-label {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
  }

  .page-privacy .privacy-contact-value {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
  }

  .page-privacy .privacy-contact-use {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 920px) {
  .page-privacy .privacy-hero {
    padding-top: clamp(40px, 6vw, 72px);
    padding-bottom: clamp(32px, 4vw, 56px);
  }

  .page-privacy .privacy-hero-grid {
    grid-template-columns: 1.55fr 1fr;
    gap: var(--privacy-gap);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: var(--privacy-gap);
  }

  .page-privacy .privacy-sidebar {
    position: sticky;
    top: calc(var(--ky-header-h) + 24px);
    z-index: 5;
  }
}