/* ===== 隐私政策页面 · page-privacy ===== */

.page-privacy {
  --pp-measure: 36em;
  --pp-rail: 268px;
  --pp-hair: rgba(42, 54, 112, 0.9);
  --pp-soft: rgba(232, 236, 247, 0.84);
  position: relative;
  overflow-x: hidden;
  color: var(--paper-100);
  background:
    linear-gradient(180deg, var(--ink-900) 0%, var(--indigo-800) 44%, var(--violet-900) 100%);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 顶部横幅 ---------- */

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

.page-privacy .pp-hero__visual {
  position: relative;
  border-bottom: 1px solid var(--pp-hair);
}

.page-privacy .pp-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 700;
  object-fit: cover;
  object-position: center;
}

.page-privacy .pp-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(7, 12, 31, 0.12) 0%,
    rgba(7, 12, 31, 0.58) 62%,
    var(--ink-900) 100%
  );
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 2;
  margin-top: calc(-1 * clamp(56px, 9vw, 124px));
}

.page-privacy .pp-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--cyan-400);
}

.page-privacy .pp-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 54px);
  line-height: 1.12;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-privacy .pp-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--cyan-400) 0%, var(--orange-500) 100%);
}

.page-privacy .pp-lead {
  max-width: 44em;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--paper-100);
}

.page-privacy .pp-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-quick .hy-quicklink {
  font-size: 14px;
}

/* ---------- 两栏阅读布局 ---------- */

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  padding-top: clamp(30px, 5vw, 56px);
}

/* ---------- 左侧条款索引 ---------- */

.page-privacy .pp-index {
  border: 1px solid var(--pp-hair);
  border-left: 2px solid var(--cyan-400);
  background: linear-gradient(160deg, rgba(16, 26, 61, 0.92) 0%, rgba(26, 17, 64, 0.72) 100%);
  padding: 16px 14px;
}

.page-privacy .pp-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--slate-400);
}

.page-privacy .pp-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-index__link {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  background: rgba(16, 26, 61, 0.55);
  color: var(--slate-400);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition:
    color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    background-color var(--dur-fast) var(--ease-out);
}

.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  color: var(--paper-100);
  border-color: var(--mist-600);
  background: rgba(42, 54, 112, 0.45);
}

.page-privacy .pp-index__link[aria-current="location"] {
  color: var(--cyan-400);
  border-color: var(--cyan-400);
  background: rgba(63, 240, 228, 0.09);
}

.page-privacy .pp-index__num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: inherit;
  opacity: 0.9;
}

/* ---------- 正文栏 ---------- */

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

.page-privacy .pp-sec {
  padding: clamp(24px, 4vw, 38px) 0;
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: 118px;
}

.page-privacy .pp-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin: 0 0 16px;
}

.page-privacy .pp-sec__num {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--cyan-400);
}

.page-privacy .pp-sec__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 26px);
  line-height: 1.36;
  letter-spacing: 0.03em;
  color: var(--white);
}

.page-privacy .pp-sec__body {
  max-width: var(--pp-measure);
}

.page-privacy .pp-sec__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pp-soft);
}

.page-privacy .pp-sec__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-sec__body a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 可折叠条目 ---------- */

.page-privacy .pp-fold {
  margin: 0 0 10px;
  border: 1px solid var(--pp-hair);
  border-left: 2px solid var(--mist-600);
  border-radius: var(--radius);
  background: rgba(16, 26, 61, 0.68);
  transition: border-color var(--dur) var(--ease-out);
}

.page-privacy .pp-fold[open] {
  border-left-color: var(--cyan-400);
}

.page-privacy .pp-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 15px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--paper-100);
  transition: color var(--dur-fast) var(--ease-out);
}

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

.page-privacy .pp-fold summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-400);
}

.page-privacy .pp-fold[open] summary::after {
  content: "－";
}

.page-privacy .pp-fold summary:hover {
  color: var(--cyan-400);
}

.page-privacy .pp-fold summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-privacy .pp-fold p {
  margin: 0;
  padding: 0 15px 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--pp-soft);
}

/* ---------- 要点清单 ---------- */

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

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--pp-soft);
}

.page-privacy .pp-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 2px;
  background: var(--cyan-400);
}

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

/* ---------- 纸片提示块 ---------- */

.page-privacy .pp-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange-500);
  border-radius: var(--radius);
  background: var(--paper-100);
  color: var(--ink-900);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-privacy .pp-note strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--violet-900);
}

.page-privacy .pp-note a {
  color: var(--violet-900);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 页尾动作 ---------- */

.page-privacy .pp-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(26px, 4vw, 44px);
  padding-top: 22px;
  border-top: 1px solid var(--pp-hair);
}

.page-privacy .pp-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pp-totop {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.page-privacy .pp-totop:hover,
.page-privacy .pp-totop:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: 104px;
    padding: 18px 16px;
  }

  .page-privacy .pp-index__list {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .pp-index__link {
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    padding: 9px 10px 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 14px;
  }

  .page-privacy .pp-index__link:hover,
  .page-privacy .pp-index__link:focus-visible {
    border-left-color: var(--mist-600);
    background: rgba(42, 54, 112, 0.3);
  }

  .page-privacy .pp-index__link[aria-current="location"] {
    border-left-color: var(--cyan-400);
    background: rgba(63, 240, 228, 0.08);
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 600px) {
  .page-privacy .pp-sec__head {
    gap: 8px;
  }

  .page-privacy .pp-fold summary {
    font-size: 14px;
    padding: 11px 13px;
  }

  .page-privacy .pp-fold p {
    padding: 0 13px 13px;
  }

  .page-privacy .pp-tail {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition: none !important;
    animation: none !important;
  }
}