.page-privacy {
  --privacy-rail-w: 196px;
  --privacy-edge: 22px;
  background: var(--night);
  color: var(--paper);
}

.page-privacy .crumbs {
  padding-top: 22px;
}

.page-privacy .crumbs a,
.page-privacy .crumbs li,
.page-privacy .crumbs ol {
  color: rgba(243, 233, 214, 0.72);
}

.page-privacy .crumbs a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(243, 233, 214, 0.3);
}

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

.page-privacy .crumbs a:focus-visible,
.page-privacy .privacy-rail__link:focus-visible,
.page-privacy .privacy-linkline a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  padding: 34px 0 0;
  background: var(--night);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(118deg, rgba(23, 195, 166, 0.16) 0%, rgba(23, 195, 166, 0) 44%),
    linear-gradient(-14deg, rgba(242, 180, 65, 0.12) 0%, rgba(242, 180, 65, 0) 58%),
    linear-gradient(-8deg, rgba(168, 69, 60, 0.14) 0%, rgba(168, 69, 60, 0) 34%);
  pointer-events: none;
}

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

.page-privacy .privacy-hero h1 {
  margin: 16px 0 18px;
  max-width: 15ch;
  font-size: clamp(30px, 7.4vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: var(--step-3);
  line-height: 1.75;
  color: rgba(243, 233, 214, 0.84);
}

.page-privacy .privacy-hero__media {
  margin: 32px 0 0;
  padding: 0;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--privacy-edge)), calc(100% - var(--privacy-edge)) 100%, 0 100%);
}

/* ---------- 主布局：左刻度轴 + 暖纸长文 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-top: 44px;
  padding-bottom: 56px;
}

.page-privacy .privacy-rail {
  align-self: start;
  padding: 16px 14px 18px;
  border-left: 3px solid var(--gold);
  background: rgba(243, 233, 214, 0.06);
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .privacy-rail__link {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 0;
  font-size: var(--step-1);
  line-height: 1.55;
  color: rgba(243, 233, 214, 0.72);
  text-decoration: none;
  border-bottom: 1px dashed rgba(243, 233, 214, 0.14);
  transition: color 180ms ease, transform 180ms ease;
}

.page-privacy .privacy-rail__link:hover {
  color: var(--teal);
  transform: translateX(4px);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sky);
  letter-spacing: 0.06em;
}

.page-privacy .privacy-doc {
  min-width: 0;
  padding: 30px 20px 38px;
  background: var(--paper);
  color: var(--night);
  clip-path: polygon(0 0, calc(100% - var(--privacy-edge)) 0, 100% var(--privacy-edge), 100% 100%, var(--privacy-edge) 100%, 0 calc(100% - var(--privacy-edge)));
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-sec {
  padding-bottom: 34px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .privacy-sec:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: var(--step-1);
  letter-spacing: 0.06em;
  color: var(--teal-deep);
  flex: none;
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-size: clamp(22px, 4.2vw, 32px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--night);
}

.page-privacy .privacy-sec__lead {
  margin: 0 0 18px;
  max-width: 68ch;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(11, 26, 46, 0.78);
}

.page-privacy .privacy-sec__lead + .privacy-sec__lead {
  margin-top: 18px;
}

/* ---------- 01 信息类型 ---------- */

.page-privacy .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .scene {
  padding: 16px 16px 18px;
  background: var(--white);
  border-left: 3px solid var(--teal);
  box-shadow: 0 2px 0 rgba(11, 26, 46, 0.06);
}

.page-privacy .scene h3 {
  margin: 0 0 6px;
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.35;
  color: var(--night);
}

.page-privacy .scene > p {
  margin: 0 0 12px;
  font-size: var(--step-1);
  line-height: 1.7;
  color: rgba(11, 26, 46, 0.7);
}

.page-privacy .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-privacy .chip {
  background: rgba(23, 195, 166, 0.14);
  border: 1px solid rgba(14, 140, 121, 0.34);
  border-radius: 2px;
  font-size: 13px;
}

.page-privacy .chip[open] {
  width: 100%;
  background: rgba(242, 180, 65, 0.16);
  border-color: rgba(242, 180, 65, 0.56);
}

.page-privacy .chip summary {
  padding: 5px 11px;
  list-style: none;
  cursor: pointer;
  font-weight: 500;
  color: var(--night);
  white-space: nowrap;
}

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

.page-privacy .chip summary::after {
  content: "＋";
  margin-left: 6px;
  font-size: 12px;
  color: var(--teal-deep);
}

.page-privacy .chip[open] summary {
  white-space: normal;
}

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

.page-privacy .chip p {
  margin: 0;
  padding: 0 11px 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(11, 26, 46, 0.74);
}

/* ---------- 02 用途两列对照 ---------- */

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

.page-privacy .purpose {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line-light);
}

.page-privacy .purpose:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .purpose__use {
  position: relative;
  margin: 0;
  padding-left: 15px;
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.6;
  color: var(--night);
}

.page-privacy .purpose__use::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-privacy .purpose__desc {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(11, 26, 46, 0.76);
}

/* ---------- 03 提醒 ---------- */

.page-privacy .alert-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .alert-card {
  padding: 18px 18px 20px;
  background: linear-gradient(158deg, rgba(127, 182, 217, 0.2), rgba(243, 233, 214, 0.42));
  border-top: 3px solid var(--sky);
}

.page-privacy .alert-card h3 {
  margin: 0 0 10px;
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.35;
  color: var(--night);
}

.page-privacy .alert-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .alert-card li {
  position: relative;
  padding-left: 18px;
  font-size: var(--step-1);
  line-height: 1.7;
  color: rgba(11, 26, 46, 0.78);
}

.page-privacy .alert-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--teal-deep);
}

.page-privacy .privacy-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  background: rgba(23, 195, 166, 0.12);
  border-left: 3px solid var(--teal);
  font-size: var(--step-2);
  line-height: 1.7;
  color: var(--night);
}

/* ---------- 04 统计与偏好 ---------- */

.page-privacy .cookie-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .cookie-grid article {
  padding: 16px;
  background: var(--white);
  border-top: 2px solid var(--gold);
}

.page-privacy .cookie-grid h3 {
  margin: 0 0 8px;
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.4;
  color: var(--night);
}

.page-privacy .cookie-grid p {
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.72;
  color: rgba(11, 26, 46, 0.74);
}

/* ---------- 05 权利 ---------- */

.page-privacy .rights-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-privacy .right {
  padding: 14px 0 14px 16px;
  border-left: 3px solid var(--gold);
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .right:last-child {
  border-bottom: 0;
}

.page-privacy .right h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--teal-deep);
}

.page-privacy .right p {
  margin: 0;
  font-size: var(--step-2);
  line-height: 1.75;
  color: rgba(11, 26, 46, 0.78);
}

/* ---------- 06 联系 ---------- */

.page-privacy .privacy-mail {
  margin: 0 0 18px;
  padding: 18px 20px;
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: clamp(16px, 3.6vw, 22px);
  letter-spacing: 0.02em;
  word-break: break-all;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-privacy .privacy-linkline {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--line-light);
  font-size: var(--step-2);
  line-height: 1.78;
  color: rgba(11, 26, 46, 0.78);
}

.page-privacy .privacy-linkline a {
  color: var(--teal-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 160ms ease, background-color 160ms ease;
}

.page-privacy .privacy-linkline a:hover {
  color: var(--night);
  background: rgba(242, 180, 65, 0.32);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-privacy .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .cookie-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .purpose {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-privacy .privacy-doc {
    padding: 38px 36px 46px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: 42px;
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--rail-h-scrolled) + 20px);
  }

  .page-privacy .privacy-doc {
    padding: 48px 56px 62px;
  }

  .page-privacy .privacy-hero {
    padding-top: 44px;
  }

  .page-privacy .privacy-hero__media {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link {
    transition: none;
  }

  .page-privacy .privacy-rail__link:hover {
    transform: none;
  }

  .page-privacy .privacy-linkline a {
    transition: none;
  }
}