/* ===== page-privacy 隐私政策 ===== */
.page-privacy {
  --privacy-content-max: 860px;
  background: var(--color-light-bg);
  color: var(--color-text);
  font-family: var(--font-body);
}

/* 深蓝题头区域 */
.page-privacy .privacy-hero {
  position: relative;
  background: var(--color-bg-deep);
  overflow: hidden;
  padding-top: var(--sp-7);
  padding-bottom: var(--sp-7);
  border-bottom: 4px solid var(--color-blue);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(135deg, rgba(245, 248, 255, 0.05) 0 1px, transparent 1px 18px),
    linear-gradient(120deg, var(--color-bg-deep) 0%, var(--color-blue) 100%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -40px;
  width: 260px;
  height: 260px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.18) 0%, transparent 70%);
}

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

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

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: var(--sp-6);
}

.page-privacy .privacy-hero .breadcrumb-link {
  color: rgba(192, 201, 213, 0.85);
  text-decoration: none;
  transition: color var(--ease-fast);
}

.page-privacy .privacy-hero .breadcrumb-link:hover {
  color: var(--color-text-light);
}

.page-privacy .privacy-hero .breadcrumb-current {
  color: var(--color-text-light);
}

.page-privacy .privacy-hero .section-kicker {
  color: var(--color-silver);
  margin-bottom: var(--sp-4);
}

.page-privacy .privacy-hero h1 {
  max-width: 820px;
  margin: 0 0 var(--sp-5);
  color: var(--color-text-light);
  font-family: var(--font-headline);
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero-desc {
  max-width: 680px;
  margin: 0 0 var(--sp-5);
  color: var(--color-silver);
  font-size: 16px;
  line-height: 1.9;
}

.page-privacy .privacy-hero .hl {
  color: var(--color-electric);
  background: rgba(0, 212, 255, 0.10);
  border-bottom: 1px solid rgba(0, 212, 255, 0.4);
  font-weight: 600;
  padding: 0 2px;
  border-radius: 2px;
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-6);
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-blue);
}

.page-privacy .privacy-meta-item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--color-silver);
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-meta-item::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-orange);
  border-radius: 1px;
}

/* 正文浅色区 */
.page-privacy .privacy-body {
  background: linear-gradient(180deg, var(--color-light-bg) 0%, var(--color-text-light) 30%, var(--color-light-bg) 100%);
  overflow: hidden;
}

.page-privacy .privacy-narrow {
  width: 100%;
  max-width: var(--privacy-content-max);
  margin-inline: auto;
  padding: var(--sp-7) 16px var(--sp-8);
}

/* 文档目录 */
.page-privacy .privacy-toc {
  margin-bottom: var(--sp-5);
  padding: var(--sp-5);
  background: var(--color-text-light);
  border: 1px solid var(--color-silver);
  border-left: 4px solid var(--color-purple);
  box-shadow: var(--shadow-card);
}

.page-privacy .toc-label {
  display: block;
  margin-bottom: var(--sp-4);
  color: var(--color-purple);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .toc-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  color: var(--color-text);
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--ease-fast), background var(--ease-fast), color var(--ease-fast);
}

.page-privacy .toc-num {
  color: var(--color-purple);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-privacy .toc-link:hover {
  color: var(--color-blue);
  background: var(--color-light-bg);
}

.page-privacy .toc-link.is-spy-active {
  color: var(--color-blue);
  background: var(--color-light-bg);
  border-color: var(--color-electric);
  border-left-color: var(--color-purple);
}

/* 章节体系 */
.page-privacy .privacy-section {
  margin-top: var(--sp-8);
  padding-bottom: var(--sp-7);
  border-bottom: 4px solid var(--color-blue);
  scroll-margin-top: 170px;
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-5);
  margin-bottom: var(--sp-5);
}

.page-privacy .section-index {
  flex-shrink: 0;
  min-width: 76px;
  color: var(--color-purple);
  font-family: var(--font-data);
  font-size: 58px;
  font-weight: 700;
  line-height: 1;
}

.page-privacy .section-heading-block {
  flex: 1;
  padding-top: 4px;
}

.page-privacy .privacy-section .section-title {
  margin: 0 0 var(--sp-3);
  color: var(--color-bg-deep);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-privacy .section-lead {
  margin: 0;
  color: var(--color-blue);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.8;
}

/* 正文内容 */
.page-privacy .privacy-content {
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.9;
}

.page-privacy .privacy-content p {
  margin: 0 0 var(--sp-5);
}

.page-privacy .privacy-content strong {
  color: var(--color-bg-deep);
  font-weight: 700;
}

.page-privacy .hl {
  padding: 0 2px;
  color: var(--color-blue);
  background: rgba(0, 212, 255, 0.08);
  border-bottom: 1px solid rgba(0, 212, 255, 0.6);
  border-radius: 2px;
  font-weight: 600;
}

.page-privacy .privacy-content a {
  color: var(--color-blue);
  border-bottom: 1px solid rgba(0, 212, 255, 0.5);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--ease-fast), border-color var(--ease-fast);
}

.page-privacy .privacy-content a:hover {
  color: var(--color-orange);
  border-bottom-color: var(--color-orange);
}

.page-privacy .privacy-list {
  margin: 0 0 var(--sp-5);
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  margin-bottom: var(--sp-3);
  padding-left: var(--sp-5);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 10px;
  height: 3px;
  background: var(--color-electric);
  border-radius: 1px;
}

.page-privacy .privacy-order-list {
  margin: 0 0 var(--sp-5);
  padding: 0;
  counter-reset: privacyCounter;
  list-style: none;
}

.page-privacy .privacy-order-list li {
  position: relative;
  margin-bottom: var(--sp-4);
  padding-left: 68px;
  counter-increment: privacyCounter;
}

.page-privacy .privacy-order-list li::before {
  content: "STEP/" counter(privacyCounter, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  width: 56px;
  color: var(--color-purple);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* 术语提示 */
.page-privacy .term-tip {
  position: relative;
  display: inline-block;
  color: var(--color-blue);
  border-bottom: 1px dashed var(--color-electric);
  font-weight: 700;
  cursor: help;
  padding-bottom: 1px;
}

.page-privacy .term-tip .tip-text {
  display: none;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  width: 250px;
  max-width: 60vw;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-bg-deep);
  color: var(--color-text-light);
  border-left: 3px solid var(--color-electric);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
}

.page-privacy .term-tip::after {
  content: "";
  display: none;
  position: absolute;
  bottom: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-bg-deep);
}

.page-privacy .term-tip:hover .tip-text,
.page-privacy .term-tip:focus .tip-text,
.page-privacy .term-tip:focus-visible .tip-text,
.page-privacy .term-tip:hover::after,
.page-privacy .term-tip:focus::after,
.page-privacy .term-tip:focus-visible::after {
  display: block;
}

/* 存储与安全 */
.page-privacy .security-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
  align-items: start;
  margin-bottom: var(--sp-5);
}

.page-privacy .security-copy {
  padding-top: 2px;
}

.page-privacy .security-figure {
  margin: 0;
}

.page-privacy .security-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--color-silver);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.page-privacy .security-figure figcaption {
  margin-top: var(--sp-2);
  color: var(--color-blue);
  font-family: var(--font-data);
  font-size: 13px;
  text-align: right;
}

.page-privacy .security-note {
  margin: 0 0 var(--sp-5);
  padding: var(--sp-3) var(--sp-4);
  color: var(--color-blue);
  background: var(--color-light-bg);
  border-left: 3px solid var(--color-teal);
  font-size: 14px;
  line-height: 1.8;
}

/* 用户权利 */
.page-privacy .rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.page-privacy .rights-card {
  padding: var(--sp-5);
  background: var(--color-text-light);
  border: 1px solid var(--color-silver);
  border-left: 4px solid var(--color-teal);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--ease-base), border-color var(--ease-base);
}

.page-privacy .rights-card:hover {
  transform: translateY(-4px);
  border-left-color: var(--color-orange);
}

.page-privacy .rights-code {
  display: block;
  margin-bottom: var(--sp-3);
  color: var(--color-purple);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-privacy .rights-card h3 {
  margin: 0 0 var(--sp-2);
  color: var(--color-bg-deep);
  font-size: 18px;
  font-weight: 800;
}

.page-privacy .rights-card p {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .rights-contact {
  margin-bottom: var(--sp-5);
  padding: var(--sp-5) var(--sp-6);
  background: var(--color-bg-deep);
  color: var(--color-text-light);
  border-left: 4px solid var(--color-orange);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  font-size: 15px;
  line-height: 1.9;
}

.page-privacy .rights-contact strong {
  font-weight: 800;
}

/* 底部行动区 */
.page-privacy .privacy-cta {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--sp-4);
  margin-top: var(--sp-8);
  padding: var(--sp-5);
  background: var(--color-text-light);
  border: 2px solid var(--color-blue);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.page-privacy .cta-label {
  margin: 0;
  color: var(--color-bg-deep);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.6;
}

.page-privacy .privacy-cta .btn {
  align-self: flex-start;
}

/* 桌面端布局 */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding-top: var(--sp-8);
    padding-bottom: var(--sp-7);
  }

  .page-privacy .privacy-hero h1 {
    font-size: 44px;
    line-height: 1.25;
    max-width: 900px;
  }

  .page-privacy .privacy-hero-desc {
    font-size: 18px;
  }

  .page-privacy .privacy-narrow {
    padding: var(--sp-8) 24px var(--sp-9);
  }

  .page-privacy .privacy-toc .toc-list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-privacy .toc-item {
    flex: 0 0 auto;
  }

  .page-privacy .privacy-section {
    margin-top: var(--sp-9);
  }

  .page-privacy .privacy-section .section-title {
    font-size: 32px;
  }

  .page-privacy .section-index {
    min-width: 96px;
    font-size: 72px;
  }

  .page-privacy .security-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--sp-7);
  }

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

  .page-privacy .privacy-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-6) var(--sp-7);
  }

  .page-privacy .privacy-cta .btn {
    flex-shrink: 0;
    margin-left: var(--sp-5);
  }
}