/* ============ 页面专属：privacy ============ */
.page-privacy {
  --privacy-gold: #F5B041;
  --privacy-gold-soft: rgba(245, 176, 65, 0.16);
  --privacy-track-soft: rgba(0, 212, 160, 0.14);
  --privacy-space: #0A1628;
  color: #1A1A1A;
  background: var(--color-space);
  -webkit-font-smoothing: antialiased;
}

.page-privacy [id] {
  scroll-margin-top: 110px;
}

.page-privacy ::selection {
  background: rgba(0, 212, 160, 0.3);
}

/* ----- 页头 ----- */
.page-privacy .page-header {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 20%, rgba(18, 203, 196, 0.12), transparent 44%),
    linear-gradient(140deg, #0A1628 60%, rgba(245, 176, 65, 0.14));
}

.page-privacy .page-header::after {
  content: "";
  position: absolute;
  left: -8%;
  bottom: -42%;
  width: 44%;
  height: 120%;
  background: linear-gradient(115deg, transparent 18%, rgba(245, 176, 65, 0.16) 46%, transparent 72%);
  transform: skewX(-14deg);
  pointer-events: none;
}

.page-privacy .privacy-hero {
  position: relative;
  z-index: 1;
  padding: clamp(2rem, 5vw, 4.25rem) 0 clamp(2.25rem, 5vw, 4rem);
}

.page-privacy .privacy-hero .page-title {
  margin: 1rem 0 0.875rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-hero .page-intro {
  max-width: 44rem;
  margin: 0;
  color: rgba(248, 249, 250, 0.84);
  font-size: 1rem;
  line-height: 1.75;
}

.page-privacy .privacy-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.page-privacy .privacy-hero-meta .tag {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: 0.375rem 0.75rem;
  border-radius: 0;
  background: rgba(248, 249, 250, 0.08);
  color: var(--color-snow);
  border: 1px solid rgba(248, 249, 250, 0.16);
}

.page-privacy .privacy-hero-meta .tag--gold {
  background: rgba(245, 176, 65, 0.14);
  border-color: rgba(245, 176, 65, 0.45);
  color: var(--color-gold);
}

.page-privacy .privacy-hero-meta .tag--track {
  background: rgba(0, 212, 160, 0.12);
  border-color: rgba(0, 212, 160, 0.4);
  color: var(--color-track);
}

/* ----- 目录 ----- */
.page-privacy .privacy-toc {
  background: linear-gradient(180deg, #FDF6EC 0%, #faf3e7 100%);
  padding-bottom: clamp(2.75rem, 6vw, 4.5rem);
}

.page-privacy .privacy-toc-card {
  position: relative;
  margin-top: -1.75rem;
  background: var(--color-cream);
  border: 1px solid var(--color-mist);
  border-top: 4px solid var(--color-gold);
  padding: 1.75rem 1.25rem 1.25rem;
  box-shadow: 10px 10px 0 rgba(10, 22, 40, 0.06);
}

.page-privacy .privacy-toc-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(10, 22, 40, 0.55);
  margin: 0 0 1.25rem;
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-privacy .privacy-toc-item {
  border-top: 1px solid var(--color-mist);
}

.page-privacy .privacy-toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 0.5rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, padding-left 0.2s ease;
}

.page-privacy .privacy-toc-link:hover {
  color: #fff;
  background: var(--color-space);
  padding-left: 1.25rem;
}

.page-privacy .privacy-toc-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 700;
}

/* ----- 章节基础 ----- */
.page-privacy .privacy-section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-privacy .privacy-section--mist {
  background: linear-gradient(180deg, rgba(229, 232, 235, 0.7), rgba(248, 249, 250, 0.9)), var(--color-mist);
}

.page-privacy .privacy-section--dark {
  background:
    linear-gradient(135deg, rgba(18, 203, 196, 0.1), transparent 48%),
    linear-gradient(225deg, rgba(245, 176, 65, 0.12), transparent 55%),
    var(--privacy-space);
  color: var(--color-snow);
}

/* ----- 章节头 ----- */
.page-privacy .privacy-head {
  display: flex;
  gap: 1.125rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.page-privacy .privacy-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  background: var(--privacy-gold-soft);
  border: 1px solid rgba(245, 176, 65, 0.28);
  padding: 0.25rem 0.5rem;
}

.page-privacy .privacy-head--dark .privacy-num {
  background: rgba(245, 176, 65, 0.12);
}

.page-privacy .privacy-title {
  margin: 0;
  font-size: clamp(1.375rem, 3vw, 2rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.page-privacy .privacy-sub {
  margin: 0.5rem 0 0;
  color: rgba(10, 22, 40, 0.66);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.page-privacy .privacy-section--dark .privacy-sub {
  color: rgba(248, 249, 250, 0.7);
}

/* ----- 正文列表 ----- */
.page-privacy .privacy-body {
  display: grid;
  gap: 1.25rem;
}

.page-privacy .privacy-list {
  display: grid;
  margin: 0;
}

.page-privacy .privacy-list-item {
  display: grid;
  gap: 0.35rem;
  padding: 1.375rem 1.375rem 1.375rem 1.5rem;
  background: var(--color-snow);
  border: 1px solid rgba(229, 232, 235, 0.5);
  border-left: 3px solid var(--color-track);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.page-privacy .privacy-list-item + .privacy-list-item {
  border-top: 1px solid var(--color-mist);
}

.page-privacy .privacy-list-item:hover {
  border-color: rgba(0, 212, 160, 0.4);
  border-left-color: var(--color-track);
  background: #fff;
  box-shadow: 8px 8px 0 rgba(10, 22, 40, 0.07);
}

.page-privacy .privacy-item-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-item-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(26, 26, 26, 0.76);
}

.page-privacy .privacy-note {
  position: relative;
  margin: 0;
  padding: 1rem 1.25rem 1rem 2.5rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(10, 22, 40, 0.68);
  background: rgba(245, 176, 65, 0.1);
  border-left: 3px solid var(--color-gold);
}

/* ----- 折叠条款 ----- */
.page-privacy .privacy-details {
  margin-top: 2rem;
  border: 1px solid var(--color-mist);
  border-left: 3px solid var(--color-lake);
  background: rgba(46, 134, 193, 0.06);
}

.page-privacy .privacy-summary {
  padding: 1rem 1.25rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s ease, color 0.2s ease;
}

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

.page-privacy .privacy-summary::before {
  content: "＋ ";
  color: var(--color-lake);
  font-family: var(--font-mono);
  font-weight: 700;
}

.page-privacy .privacy-details[open] .privacy-summary::before {
  content: "－ ";
}

.page-privacy .privacy-summary:hover {
  background: rgba(46, 134, 193, 0.1);
}

.page-privacy .privacy-details-body {
  padding: 0 1.25rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(10, 22, 40, 0.72);
}

.page-privacy .privacy-details-body p {
  margin: 0;
}

/* ----- 数据安全深色版块 ----- */
.page-privacy .privacy-security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.page-privacy .privacy-security-main {
  display: grid;
  gap: 1.75rem;
}

.page-privacy .privacy-security-list {
  display: grid;
  gap: 0.75rem;
}

.page-privacy .privacy-security-item {
  padding: 1rem 1.125rem;
  background: rgba(248, 249, 250, 0.04);
  border: 1px solid rgba(248, 249, 250, 0.1);
  border-left: 3px solid var(--color-data);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-security-item:hover {
  background: rgba(18, 203, 196, 0.09);
  border-color: rgba(18, 203, 196, 0.32);
}

.page-privacy .privacy-security-item-title {
  margin: 0 0 0.25rem;
  font-size: 1rem;
  color: var(--color-snow);
}

.page-privacy .privacy-security-item-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(248, 249, 250, 0.68);
}

.page-privacy .privacy-security-figure {
  margin: 0;
  position: relative;
  padding: 0.5rem;
  background: rgba(248, 249, 250, 0.06);
  border: 1px solid rgba(245, 176, 65, 0.3);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.page-privacy .privacy-security-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-privacy .privacy-security-caption {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 249, 250, 0.56);
  text-align: right;
}

/* ----- 结尾 ----- */
.page-privacy .privacy-closing {
  background: var(--color-cream);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-privacy .privacy-closing-inner {
  padding: 2.5rem 1.5rem;
  background:
    linear-gradient(120deg, rgba(245, 176, 65, 0.1), transparent 60%),
    var(--color-snow);
  border: 1px solid var(--color-mist);
  border-bottom: 4px solid var(--color-track);
}

.page-privacy .privacy-closing-kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(10, 22, 40, 0.55);
  margin: 0 0 0.5rem;
}

.page-privacy .privacy-closing .privacy-title {
  margin-bottom: 1rem;
}

.page-privacy .privacy-closing-text {
  max-width: 36rem;
  margin: 0 0 1.75rem;
  line-height: 1.8;
  color: rgba(10, 22, 40, 0.74);
}

.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-privacy .privacy-links .button {
  border-radius: 0;
}

/* ----- 锚点目标反馈 ----- */
.page-privacy .privacy-section:target .privacy-head {
  animation: privacy-flash 1.1s ease-out;
}

@keyframes privacy-flash {
  0% {
    background: rgba(245, 176, 65, 0);
  }
  30% {
    background: rgba(245, 176, 65, 0.18);
  }
  100% {
    background: rgba(245, 176, 65, 0);
  }
}

/* ----- 桌面增强 ----- */
@media (min-width: 640px) {
  .page-privacy .privacy-toc-card {
    padding: 2rem 2rem 1.5rem;
  }

  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 1.5rem;
  }
}

@media (min-width: 768px) {
  .page-privacy .privacy-closing-inner {
    padding: 3rem 3.5rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-security-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(3, 1fr);
  }
}