.page-privacy {
  --privacy-line: #d9e1ec;
  --privacy-copy: #2c4058;
  --privacy-shadow: 0 10px 30px rgba(10, 31, 60, 0.08);
  scroll-behavior: smooth;
}

/* ===== Hero ===== */
.page-privacy__hero {
  position: relative;
  padding: 1.5rem 0 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(57, 255, 20, 0.10), transparent 240px),
    radial-gradient(circle at 12% 88%, rgba(255, 107, 53, 0.12), transparent 200px),
    linear-gradient(135deg, #0a1f3c 0%, #122c50 55%, #0a1f3c 100%);
  color: var(--c-white);
  overflow: hidden;
}
.page-privacy__hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(245, 247, 250, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 247, 250, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 90%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 90%);
}
.page-privacy__hero .container {
  position: relative;
  z-index: 1;
}
.page-privacy__hero .breadcrumb__item,
.page-privacy__hero .breadcrumb__sep {
  color: rgba(245, 247, 250, 0.55);
}
.page-privacy__hero .breadcrumb__item a {
  color: rgba(245, 247, 250, 0.92);
  text-decoration: none;
}
.page-privacy__hero .breadcrumb__item a:hover,
.page-privacy__hero .breadcrumb__item a:focus-visible {
  color: var(--c-neon);
}
.page-privacy__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding: 2.25rem 0 1.5rem;
}
.page-privacy__hero-main .kicker {
  color: var(--c-neon);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
  font-weight: 700;
}
.page-privacy__hero-main h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.06;
  margin: 0 0 1.1rem;
  letter-spacing: 0.01em;
}
.page-privacy__hero-main h1::after {
  content: "";
  display: block;
  width: 96px;
  height: 4px;
  margin-top: 1rem;
  background: linear-gradient(90deg, var(--c-neon), var(--c-orange));
}
.page-privacy__hero-main h1 span {
  display: block;
  color: rgba(245, 247, 250, 0.86);
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 500;
  font-family: var(--font-body);
  margin-top: 0.5rem;
}
.page-privacy__hero-main .lead {
  max-width: 42em;
  color: rgba(245, 247, 250, 0.8);
  font-size: 1.05rem;
  line-height: 1.85;
  margin: 0;
}
.page-privacy__hero-meta {
  align-self: end;
  border: 1px solid rgba(245, 247, 250, 0.18);
  background: rgba(10, 31, 60, 0.52);
  padding: 0.25rem 1.25rem;
}
.page-privacy__hero-meta dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
}
.page-privacy__hero-meta dl > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(245, 247, 250, 0.12);
}
.page-privacy__hero-meta dl > div:last-child {
  border-bottom: 0;
}
.page-privacy__hero-meta dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(245, 247, 250, 0.5);
}
.page-privacy__hero-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--c-white);
  font-size: 0.88rem;
}
.page-privacy__hero-media {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid rgba(245, 247, 250, 0.18);
  background: rgba(245, 247, 250, 0.04);
  position: relative;
}
.page-privacy__hero-media::before,
.page-privacy__hero-media::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--c-neon);
  border-style: solid;
}
.page-privacy__hero-media::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}
.page-privacy__hero-media::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}
.page-privacy__hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.02);
}
.page-privacy__hero-media figcaption {
  margin-top: 0.6rem;
  color: rgba(245, 247, 250, 0.6);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

/* ===== 文档主体 ===== */
.page-privacy__doc {
  background: var(--c-cloud);
  padding-bottom: var(--space-2xl);
}
.page-privacy__toc {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0;
}
.page-privacy__toc-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: var(--c-iron);
}
.page-privacy__toc-head .mono:first-child {
  color: var(--c-deep);
  background: var(--c-neon);
  padding: 0.15rem 0.45rem;
  font-weight: 800;
}
ol.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.page-privacy__toc-list li a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 1px solid var(--privacy-line);
  background: var(--c-white);
  color: var(--c-deep);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.45rem 0.75rem;
  text-decoration: none;
}
.page-privacy__toc-list li a .mono {
  color: var(--c-deep);
  font-size: 0.74rem;
  font-weight: 800;
}
.page-privacy__toc-list li a:hover,
.page-privacy__toc-list li a:focus-visible {
  border-color: var(--c-neon);
  box-shadow: inset 0 -2px 0 var(--c-neon);
}
.page-privacy__toc-note {
  display: none;
}
.page-privacy__body {
  background: var(--c-white);
  border: 1px solid var(--privacy-line);
  padding: var(--space-lg);
}
.page-privacy__intro {
  position: relative;
  border: 1px solid var(--privacy-line);
  background: var(--c-cloud);
  padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  margin-bottom: var(--space-2xl);
}
.page-privacy__intro::before {
  content: "ABOUT THIS PAGE";
  position: absolute;
  top: -0.7em;
  left: 1rem;
  background: var(--c-cloud);
  padding: 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: var(--c-iron);
}
.page-privacy__intro::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--c-neon);
}
.page-privacy__intro p {
  margin: 0 0 0.75rem;
  color: var(--privacy-copy);
  font-size: 0.92rem;
  line-height: 1.85;
}
.page-privacy__intro p:last-child {
  margin-bottom: 0;
}

/* ===== 通用区块 ===== */
.page-privacy__section {
  scroll-margin-top: 6rem;
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--privacy-line);
  margin-top: var(--space-2xl);
}
.page-privacy__section-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-privacy__section-idx {
  flex: 0 0 auto;
  width: 2.9rem;
  height: 2.9rem;
  background: var(--c-deep);
  color: var(--c-neon);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  border: 1px solid var(--c-deep);
  box-shadow: 4px 4px 0 rgba(255, 107, 53, 0.9);
}
.page-privacy__section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  line-height: 1.1;
  color: var(--c-deep);
}
.page-privacy__section-head .kicker {
  margin: 0 0 0.25rem;
  color: var(--c-iron);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}
.page-privacy__section-lead {
  color: #3c5170;
  font-size: 0.96rem;
  line-height: 1.8;
  max-width: 56em;
  margin: 0 0 1.5rem;
}

/* ===== 信息收集 ===== */
.page-privacy__collect-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}
.page-privacy__card {
  border: 1px solid var(--privacy-line);
  border-top: 3px solid var(--c-deep);
  background: var(--c-white);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
}
.page-privacy__card:hover,
.page-privacy__card:focus-within {
  border-top-color: var(--c-neon);
  box-shadow: var(--privacy-shadow);
}
.page-privacy__card-idx {
  align-self: flex-end;
  font-size: 0.8rem;
  color: var(--c-iron-light);
  letter-spacing: 0.1em;
}
.page-privacy__card h3 {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.1rem;
  color: var(--c-deep);
  font-family: var(--font-head);
  letter-spacing: 0.02em;
}
.page-privacy__card p {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--privacy-copy);
}
.page-privacy__card ul {
  list-style: none;
  margin: auto 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.page-privacy__card ul li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-white);
  background: var(--c-data);
  padding: 0.22rem 0.5rem;
}
.page-privacy__note {
  margin: 1.25rem 0 0;
  padding: 0.9rem 1rem 0.9rem 1.1rem;
  border-left: 4px solid var(--c-neon);
  background: rgba(74, 144, 217, 0.08);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--privacy-copy);
}
.page-privacy__note strong {
  color: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

/* ===== 信息使用 ===== */
.page-privacy__usage-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--privacy-line);
  border-left: 1px solid var(--privacy-line);
}
.page-privacy__usage-item {
  border-right: 1px solid var(--privacy-line);
  border-bottom: 1px solid var(--privacy-line);
  padding: 1.1rem;
  background: var(--c-white);
  transition: box-shadow 0.2s;
}
.page-privacy__usage-item:hover {
  box-shadow: inset 0 -3px 0 var(--c-orange);
}
.page-privacy__usage-item .mono {
  color: var(--c-orange);
  font-size: 0.76rem;
  font-weight: 800;
}
.page-privacy__usage-item h3 {
  margin: 0.5rem 0 0.4rem;
  font-size: 1.02rem;
  color: var(--c-deep);
  font-family: var(--font-head);
}
.page-privacy__usage-item p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--privacy-copy);
}
.page-privacy__flow {
  margin-top: 1.5rem;
  background: var(--c-obsidian);
  padding: 1.25rem;
  color: var(--c-white);
}
.page-privacy__flow-title {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--c-neon);
  margin-bottom: 1rem;
}
.page-privacy__flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.page-privacy__flow-node {
  border: 1px solid rgba(245, 247, 250, 0.22);
  background: rgba(245, 247, 250, 0.04);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-white);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.page-privacy__flow-node .mono {
  color: var(--c-neon);
  font-size: 0.74rem;
}
.page-privacy__flow-arrow {
  align-self: flex-start;
  margin-left: 1.25rem;
  width: 1px;
  height: 0.9rem;
  background: var(--c-neon);
  position: relative;
}
.page-privacy__flow-arrow::after {
  content: "";
  position: absolute;
  left: -3px;
  bottom: -2px;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 5px solid var(--c-neon);
}
.page-privacy__flow-note {
  margin: 1rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(245, 247, 250, 0.12);
  color: rgba(245, 247, 250, 0.55);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

/* ===== 信息安全 ===== */
.page-privacy__security-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--privacy-line);
  border: 1px solid var(--privacy-line);
  margin-bottom: 1.5rem;
}
.page-privacy__stat {
  background: var(--c-white);
  padding: 1.1rem 0.9rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-privacy__stat-num {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--c-deep);
  line-height: 1;
}
.page-privacy__stat > span:last-child {
  font-size: 0.7rem;
  color: var(--c-iron);
  letter-spacing: 0.05em;
}
.page-privacy__stat:nth-child(4) .page-privacy__stat-num {
  font-size: 1.45rem;
}
.page-privacy__security-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}
.page-privacy__measure {
  border: 1px solid var(--privacy-line);
  border-left: 4px solid var(--c-data);
  background: var(--c-white);
  padding: 1.1rem 1.1rem 1.1rem 1.25rem;
}
.page-privacy__measure h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--c-deep);
}
.page-privacy__measure p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--privacy-copy);
}
.page-privacy__term {
  margin-top: 0.6rem;
  border-top: 1px dashed var(--privacy-line);
  padding-top: 0.5rem;
}
.page-privacy__term summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--c-data);
  list-style: none;
}
.page-privacy__term summary::-webkit-details-marker {
  display: none;
}
.page-privacy__term summary::before {
  content: "▸";
  color: var(--c-neon);
  margin-right: 0.4rem;
}
.page-privacy__term[open] summary::before {
  content: "▾";
}
.page-privacy__term p {
  font-size: 0.82rem;
  line-height: 1.7;
  margin: 0.5rem 0 0;
  color: var(--c-iron);
}
.page-privacy__award {
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--c-cloud);
  border: 1px solid var(--privacy-line);
  border-left: 4px solid var(--c-sand);
  padding: 0.85rem 1rem;
}
.page-privacy__award .mono {
  flex: 0 0 auto;
  background: var(--c-sand);
  color: var(--c-deep);
  font-weight: 800;
  padding: 0.2rem 0.5rem;
}
.page-privacy__award p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--c-obsidian);
}

/* ===== 用户权利 ===== */
.page-privacy__rights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--privacy-line);
  border: 1px solid var(--privacy-line);
}
.page-privacy__right {
  background: var(--c-white);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-privacy__right .mono {
  align-self: flex-start;
  background: var(--c-deep);
  color: var(--c-neon);
  padding: 0.12rem 0.4rem;
  font-weight: 800;
  font-size: 0.72rem;
}
.page-privacy__right h3 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-deep);
}
.page-privacy__right p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--c-iron);
}
.page-privacy__right:hover {
  background: var(--c-cloud);
  box-shadow: inset 0 -3px 0 var(--c-neon);
}

/* ===== 联系与投诉 ===== */
.page-privacy__contact {
  margin-top: var(--space-2xl);
  background: var(--c-deep);
  color: var(--c-white);
  padding: 1.5rem 1.25rem;
  position: relative;
  overflow: hidden;
}
.page-privacy__contact::before {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 107, 53, 0.5);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.16), transparent 70%);
}
.page-privacy__contact .page-privacy__section-head {
  border-bottom: 1px solid rgba(245, 247, 250, 0.14);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}
.page-privacy__contact .page-privacy__section-head h2 {
  color: var(--c-white);
}
.page-privacy__contact .page-privacy__section-head .kicker {
  color: rgba(245, 247, 250, 0.55);
}
.page-privacy__contact .page-privacy__section-idx {
  background: var(--c-orange);
  color: var(--c-deep);
  border-color: var(--c-orange);
  box-shadow: 4px 4px 0 rgba(57, 255, 20, 0.9);
}
.page-privacy__contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 1;
}
.page-privacy__contact-info p {
  max-width: 46em;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.85);
  font-size: 0.94rem;
  margin: 0 0 1rem;
}
.page-privacy__contact-info dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(245, 247, 250, 0.15);
}
.page-privacy__contact-info dl > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(245, 247, 250, 0.15);
}
.page-privacy__contact-info dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: rgba(245, 247, 250, 0.5);
  flex: 0 0 auto;
}
.page-privacy__contact-info dd {
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}
.page-privacy__contact-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: center;
}
.page-privacy__back-home {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: rgba(245, 247, 250, 0.68);
  text-decoration: none;
  font-size: 0.85rem;
  margin-top: 0.4rem;
}
.page-privacy__back-home:hover,
.page-privacy__back-home:focus-visible {
  color: var(--c-neon);
}
.page-privacy__trust {
  margin: 1.5rem 0 0;
  padding: 0.85rem 0 0;
  border-top: 1px solid rgba(245, 247, 250, 0.14);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-sand);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  position: relative;
  z-index: 1;
}
.page-privacy__trust::before {
  content: "◆";
  color: var(--c-neon);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 720px) {
  .page-privacy__hero-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: end;
    gap: 2.5rem;
  }
  .page-privacy__security-stats {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-privacy__usage-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy__security-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy__contact-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
}

@media (min-width: 900px) {
  .page-privacy__doc {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }
  .page-privacy__toc {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: sticky;
    top: 6rem;
    border: 1px solid var(--privacy-line);
    border-top: 3px solid var(--c-neon);
    background: var(--c-white);
    padding: 1rem;
  }
  .page-privacy__toc-head {
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--privacy-line);
  }
  ol.page-privacy__toc-list {
    flex-direction: column;
    gap: 0;
    margin-top: 0.5rem;
  }
  .page-privacy__toc-list li a {
    width: 100%;
    justify-content: space-between;
    border: 0;
    border-bottom: 1px solid var(--privacy-line);
    background: transparent;
    border-radius: 0;
    padding: 0.7rem 0.25rem;
  }
  .page-privacy__toc-list li:last-child a {
    border-bottom: 0;
  }
  .page-privacy__toc-list li a:hover,
  .page-privacy__toc-list li a:focus-visible {
    box-shadow: none;
    background: var(--c-cloud);
    padding-left: 0.5rem;
    border-left: 3px solid var(--c-neon);
  }
  .page-privacy__toc-note {
    display: block;
    margin: 0.85rem 0 0;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--privacy-line);
    color: var(--c-iron);
    font-size: 0.72rem;
    line-height: 1.7;
    letter-spacing: 0.04em;
  }
  .page-privacy__body {
    padding: clamp(1.5rem, 3.5vw, 3rem);
  }
  .page-privacy__collect-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy__rights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-privacy__contact {
    padding: 2rem 2rem 2rem 2.25rem;
  }
  .page-privacy__flow-steps {
    flex-direction: row;
    align-items: stretch;
  }
  .page-privacy__flow-node {
    flex: 1;
    justify-content: center;
  }
  .page-privacy__flow-arrow {
    width: 2rem;
    height: 1px;
    align-self: center;
    margin: 0 0.25rem;
  }
  .page-privacy__flow-arrow::after {
    content: "";
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 6px solid var(--c-neon);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
  }
}