/* ============ 隐私声明页 · page-privacy ============ */
.page-privacy {
  background: var(--night);
  color: var(--ink-2);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  background:
    linear-gradient(158deg, var(--night-deep) 0%, var(--night) 52%, #1c130b 100%);
  overflow: hidden;
  isolation: isolate;
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  right: -9%;
  top: 6%;
  width: min(560px, 66vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(152deg, var(--fire) 0%, var(--fire-deep) 100%);
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0 86%);
  opacity: 0.17;
  pointer-events: none;
  z-index: 0;
}

.page-privacy .priv-hero-inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(44px, 8vw, 92px);
  padding-bottom: clamp(28px, 4.5vw, 48px);
}

.page-privacy .breadcrumb {
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 20px;
}

.page-privacy .breadcrumb a {
  color: var(--ink-3);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--fire-soft);
  border-bottom-color: var(--fire-soft);
}

.page-privacy .breadcrumb-sep {
  margin: 0 8px;
  color: var(--slate);
}

.page-privacy .priv-hero .eyebrow {
  margin: 0 0 14px;
}

.page-privacy .priv-hero .display {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--white);
  margin: 0 0 18px;
  max-width: 16ch;
}

.page-privacy .priv-lead {
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-2);
  margin: 0 0 18px;
}

.page-privacy .priv-stamp {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--fire-soft);
  border: 1px solid var(--hairline-fire);
  border-radius: var(--radius-pill);
}

.page-privacy .priv-hero-band {
  position: relative;
  z-index: 1;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-privacy .priv-hero-band img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 330px);
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.04);
}

.page-privacy .priv-hero-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(21, 23, 28, 0) 38%, rgba(21, 23, 28, 0.97) 100%);
  pointer-events: none;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .priv-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .priv-body {
  min-width: 0;
  max-width: 38em;
}

/* ---------- 目录 ---------- */
.page-privacy .priv-toc {
  align-self: start;
  padding: 18px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(58, 63, 74, 0.18);
}

.page-privacy .priv-toc-title {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fire-soft);
  margin: 0 0 12px;
}

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

.page-privacy .priv-toc-list a {
  display: block;
  padding: 7px 10px 7px 13px;
  border-left: 2px solid rgba(255, 255, 255, 0.09);
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .priv-toc-list a:hover,
.page-privacy .priv-toc-list a:focus-visible {
  color: var(--white);
  border-left-color: var(--fire-soft);
  background: rgba(255, 176, 122, 0.07);
}

.page-privacy .priv-toc-list a[data-active="true"] {
  color: var(--white);
  border-left-color: var(--fire);
  background: rgba(255, 91, 27, 0.13);
}

.page-privacy .priv-backtop {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  padding: 7px 15px;
  border: 1px solid var(--hairline-fire);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fire-soft);
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .priv-backtop:hover,
.page-privacy .priv-backtop:focus-visible {
  color: var(--white);
  background: rgba(255, 91, 27, 0.16);
  border-color: var(--fire);
}

/* ---------- 章节 ---------- */
.page-privacy .priv-sec {
  position: relative;
  padding-bottom: clamp(26px, 3.6vw, 40px);
  margin-bottom: clamp(26px, 3.6vw, 40px);
  border-bottom: 1px solid rgba(255, 91, 27, 0.26);
  scroll-margin-top: 120px;
}

.page-privacy .priv-sec:last-of-type {
  border-bottom: 0;
}

.page-privacy .priv-sec h2 {
  position: relative;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.28rem, 2.2vw, 1.62rem);
  line-height: 1.4;
  letter-spacing: -0.012em;
  color: var(--white);
  margin: 0 0 14px;
  padding-left: 18px;
}

.page-privacy .priv-sec h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.34em;
  width: 5px;
  height: 1em;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--fire) 0%, var(--fire-deep) 100%);
}

.page-privacy .priv-sec p {
  font-size: 17px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0 0 14px;
}

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

.page-privacy .priv-sec a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 196, 255, 0.42);
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

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

.page-privacy .priv-sum {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--fire-soft);
  margin: 0 0 20px;
  padding-left: 18px;
}

.page-privacy .priv-kicker {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 20px 0 10px;
}

/* ---------- 列表 ---------- */
.page-privacy .priv-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-privacy .priv-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-2);
}

.page-privacy .priv-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--fire);
  transform: rotate(45deg);
}

/* ---------- 高亮块 ---------- */
.page-privacy .priv-callout {
  margin: 20px 0 4px;
  padding: 16px 18px;
  border-left: 3px solid var(--fire);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(255, 91, 27, 0.11);
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
}

/* ---------- 表格 ---------- */
.page-privacy .priv-table-scroll {
  margin: 6px 0 18px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .priv-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-privacy .priv-table caption {
  text-align: left;
  padding: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-3);
}

.page-privacy .priv-table th,
.page-privacy .priv-table td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--hairline);
  line-height: 1.65;
  vertical-align: top;
}

.page-privacy .priv-table thead th {
  color: var(--white);
  font-weight: 700;
  font-size: 14px;
  background: rgba(58, 63, 74, 0.34);
}

.page-privacy .priv-table tbody th {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-privacy .priv-table tbody td {
  color: var(--ink-2);
}

.page-privacy .priv-table .mono-cell {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--fire-soft);
  white-space: nowrap;
}

/* ---------- 折叠 ---------- */
.page-privacy .priv-fold {
  margin-top: 6px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: rgba(58, 63, 74, 0.16);
  overflow: hidden;
}

.page-privacy .priv-fold > summary {
  cursor: pointer;
  list-style: none;
  padding: 13px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--fire-soft);
  background: rgba(255, 91, 27, 0.08);
  transition: color 0.2s ease, background-color 0.2s ease;
}

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

.page-privacy .priv-fold > summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 9px;
  color: var(--fire);
  transition: transform 0.2s ease;
}

.page-privacy .priv-fold[open] > summary::before {
  transform: rotate(90deg);
}

.page-privacy .priv-fold > summary:hover,
.page-privacy .priv-fold > summary:focus-visible {
  color: var(--white);
  background: rgba(255, 91, 27, 0.16);
}

.page-privacy .priv-fold-body {
  padding: 16px 18px 6px;
}

.page-privacy .priv-fold-body p {
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--ink-2);
  margin: 0 0 14px;
}

/* ---------- 联系卡片（描边式） ---------- */
.page-privacy .priv-contact-card {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3.2vw, 34px);
  border: 1px solid var(--hairline-fire);
  border-radius: var(--radius-lg);
  background: transparent;
}

.page-privacy .priv-contact-card .eyebrow {
  margin: 0 0 12px;
}

.page-privacy .priv-contact-card h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.18rem, 2vw, 1.42rem);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 0 0 16px;
}

.page-privacy .priv-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 176, 122, 0.24);
}

.page-privacy .priv-contact-label {
  flex: 0 0 auto;
  min-width: 66px;
  font-size: 13px;
  color: var(--ink-3);
}

.page-privacy .priv-contact-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.03em;
  word-break: break-all;
}

.page-privacy .priv-contact-card .copy-btn[data-copied="true"] {
  color: var(--lime);
  border-color: rgba(183, 255, 60, 0.52);
}

.page-privacy .priv-contact-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-3);
  margin: 14px 0 0;
}

.page-privacy .priv-contact-note a {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 196, 255, 0.42);
}

.page-privacy .priv-contact-note a:hover,
.page-privacy .priv-contact-note a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--fire);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-privacy .priv-list {
    gap: 10px;
  }

  .page-privacy .priv-contact-card {
    display: block;
  }
}

/* ---------- 桌面：左侧粘性目录 ---------- */
@media (min-width: 980px) {
  .page-privacy .priv-shell {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: clamp(44px, 5.5vw, 84px);
    align-items: start;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: 108px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding: 20px 18px;
    background: rgba(58, 63, 74, 0.22);
    backdrop-filter: blur(6px);
  }

  .page-privacy .priv-toc-list a {
    font-size: 13.5px;
    padding: 8px 10px 8px 14px;
  }
}

/* ---------- 窄屏保护 ---------- */
@media (max-width: 560px) {
  .page-privacy .priv-hero .display {
    font-size: 1.92rem;
    max-width: none;
  }

  .page-privacy .priv-lead {
    font-size: 16px;
  }

  .page-privacy .priv-sec p,
  .page-privacy .priv-fold-body p {
    font-size: 16px;
    line-height: 1.85;
  }

  .page-privacy .priv-list li {
    font-size: 15.5px;
  }

  .page-privacy .priv-contact-row {
    align-items: flex-start;
  }

  .page-privacy .priv-contact-label {
    flex: 1 1 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-toc-list a,
  .page-privacy .priv-backtop,
  .page-privacy .priv-fold > summary,
  .page-privacy .priv-fold > summary::before,
  .page-privacy .breadcrumb a {
    transition: none;
  }
}