/* =========================================================
   page-privacy
   长文档 / 侧边目录 / 细线分隔 / 背景水印
   ========================================================= */
.page-privacy {
  --pv-line: rgba(14, 79, 92, 0.22);
  --pv-soft: rgba(27, 154, 170, 0.16);
  --pv-panel: #ffffff;
  --pv-shadow: rgba(14, 79, 92, 0.16);
  scroll-behavior: smooth;
  padding: 1.25rem;
  overflow-wrap: break-word;
}

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

.page-privacy img {
  max-width: 100%;
  height: auto;
}

.page-privacy .privacy-shell {
  max-width: var(--content-w);
  margin-inline: auto;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin: 0 0 1.5rem;
  color: var(--teal);
}

.page-privacy .breadcrumb a {
  color: var(--teal);
  text-decoration: none;
  font-weight: 700;
}

.page-privacy .breadcrumb a:hover {
  color: var(--orange);
}

/* 首屏：深青色英雄区 + 水印 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 2.25rem 1.5rem 2.5rem;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 15%, rgba(27, 154, 170, 0.35), transparent 30%),
    linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 82%);
  border: 2px solid var(--brown);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-hero::after {
  content: "PRIVACY";
  position: absolute;
  right: clamp(0.5rem, 6vw, 4rem);
  bottom: -2rem;
  font-family: var(--font-mono);
  font-size: clamp(3.5rem, 9vw, 6.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.06em;
  color: rgba(245, 240, 224, 0.07);
  pointer-events: none;
  user-select: none;
}

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

.page-privacy .privacy-hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.page-privacy .privacy-hero__code {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--orange-light);
  border: 1px solid rgba(255, 176, 103, 0.5);
  padding: 0.2rem 0.5rem;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  max-width: 70ch;
  font-family: var(--font-body);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(245, 240, 224, 0.92);
  margin: 0;
}

.page-privacy .privacy-hero__meta {
  margin-top: 1.5rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(245, 240, 224, 0.28);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--orange-light);
}

/* 图文横幅 */
.page-privacy .privacy-banner {
  position: relative;
  margin: 1.75rem 0 1rem;
  background: var(--white);
  border: 2px solid var(--brown);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-banner__caption {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgba(10, 59, 69, 0.82);
  color: var(--cream);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.65rem;
  margin: 0;
}

/* 主体：目录 + 文档 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.page-privacy .privacy-toc {
  overflow-x: auto;
  background: var(--pv-panel);
  border: 2px solid var(--brown);
  box-shadow: var(--shadow-soft);
  padding: 1rem 1rem 1.1rem;
  scrollbar-color: var(--teal-2) transparent;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.65rem;
  border-bottom: 1px solid var(--teal-trans);
  padding-bottom: 0.55rem;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.6rem;
  flex-wrap: nowrap;
}

.page-privacy .privacy-toc__list li {
  margin: 0;
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  border: 1px solid rgba(14, 79, 92, 0.18);
  background: var(--cream);
  color: var(--brown);
  text-decoration: none;
  font-size: 0.8125rem;
  line-height: 1.3;
  padding: 0.4rem 0.7rem;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

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

/* 文档条款 */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-section {
  padding: 1.6rem 0 2.1rem;
  border-top: 2px solid var(--pv-line);
  scroll-margin-top: 90px;
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
}

.page-privacy .privacy-section:target {
  background: linear-gradient(90deg, var(--pv-soft), transparent 65%);
}

.page-privacy .privacy-section__head {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin-bottom: 1.05rem;
}

.page-privacy .privacy-section__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1;
  color: var(--orange);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 4.2rem;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-section__heading {
  flex: 1 1 auto;
  min-width: 0;
}

.page-privacy .privacy-section h2 {
  margin: 0 0 0.2rem;
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--teal-dark);
  transition: color 0.3s ease;
}

.page-privacy .privacy-section:target h2 {
  color: var(--orange);
}

.page-privacy .privacy-section__en {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal-2);
  margin-top: 0.1rem;
}

.page-privacy .privacy-section__body {
  padding-left: 0;
}

.page-privacy .privacy-section p,
.page-privacy .privacy-section li {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--brown);
}

.page-privacy .privacy-section p {
  margin: 0 0 0.95rem;
}

.page-privacy .privacy-section ul {
  margin: 0.4rem 0 1.2rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-section ul:not(.privacy-contact-list) li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.3rem;
}

.page-privacy .privacy-section ul:not(.privacy-contact-list) li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 0.65rem;
  height: 2px;
  background: var(--orange);
}

.page-privacy .privacy-section li strong {
  color: var(--teal-dark);
}

/* 数据安全统计卡 */
.page-privacy .privacy-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin: 1rem 0 1.1rem;
}

.page-privacy .privacy-stat {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 0.8rem;
  background: var(--white);
  border: 1px solid rgba(14, 79, 92, 0.28);
  box-shadow: 4px 4px 0 var(--pv-shadow);
}

.page-privacy .privacy-stat__num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  color: var(--teal-dark);
}

.page-privacy .privacy-stat__label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--brown);
  opacity: 0.75;
}

/* 联系方式列表 */
.page-privacy .privacy-contact-list {
  list-style: none;
  margin: 1rem 0 1.4rem;
  padding: 0;
  border-top: 1px solid rgba(14, 79, 92, 0.2);
}

.page-privacy .privacy-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid rgba(14, 79, 92, 0.2);
  padding: 0.7rem 0;
}

.page-privacy .privacy-contact__label {
  color: var(--orange);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
}

.page-privacy .privacy-contact__value {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--teal-dark);
  text-align: right;
  overflow-wrap: anywhere;
}

/* ============ 断点：平板 + 桌面 ============ */
@media (min-width: 640px) {
  .page-privacy .privacy-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 960px) {
  .page-privacy {
    padding: 2rem 2.25rem;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
    margin-top: 2.25rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }

  .page-privacy .privacy-toc__list {
    display: block;
  }

  .page-privacy .privacy-toc__list li {
    flex: initial;
    border-bottom: 1px dashed rgba(14, 79, 92, 0.14);
  }

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

  .page-privacy .privacy-toc__list a {
    display: flex;
    align-items: baseline;
    white-space: normal;
    border: 0;
    background: transparent;
    padding: 0.55rem 0.2rem;
    transition: transform 0.2s ease, color 0.2s ease;
  }

  .page-privacy .privacy-toc__list a:hover,
  .page-privacy .privacy-toc__list a:focus {
    background: transparent;
    color: var(--orange);
    transform: translateX(3px);
  }

  .page-privacy .privacy-section__body {
    padding-left: 2.15rem;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-hero {
    padding: 2.75rem 3rem 3rem;
  }

  .page-privacy .privacy-banner {
    margin-block: 2.25rem 1.5rem;
  }
}