/* ============================================================
   Page: /terms/ 使用说明
   作用域: .page-disclaimer
   ============================================================ */
.page-disclaimer {
  --dis-ink: var(--c-ink);
  --dis-paper: var(--c-paper);
  --dis-neon: var(--c-neon);
  --dis-orange: var(--c-orange);
  --dis-ice: var(--c-ice);
  --dis-stone: var(--c-stone);
  --dis-white: var(--c-white);

  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  background: var(--dis-paper);
  color: var(--dis-ink);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---------- 条款声明头部 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  background: var(--dis-ink);
  color: var(--dis-white);
  padding: 28px 20px 52px;
  overflow: hidden;
}

.page-disclaimer .terms-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 220px;
  height: 70%;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
}

.page-disclaimer .terms-hero::after {
  content: '';
  position: absolute;
  right: -10%;
  bottom: 0;
  width: 120%;
  height: 20px;
  background: var(--dis-neon);
  transform: skewY(-1.2deg);
  transform-origin: left bottom;
}

.page-disclaimer .terms-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 1120px;
  margin: 0 auto;
}

.page-disclaimer .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 20px;
}

.page-disclaimer .breadcrumb a {
  color: var(--dis-ice);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover {
  text-decoration: underline;
}

.page-disclaimer .terms-hero__eyebrow {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--dis-neon);
  text-transform: uppercase;
  margin: 0 0 12px;
}

.page-disclaimer .terms-hero h1 {
  font-size: clamp(34px, 8vw, 64px);
  font-weight: 900;
  font-style: italic;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.page-disclaimer .terms-hero__lead {
  max-width: 520px;
  font-size: 16px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 22px;
}

.page-disclaimer .terms-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--dis-white);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 18px;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-disclaimer .terms-hero__cta::after {
  content: '↓';
  font-family: var(--font-data);
  font-size: 16px;
  line-height: 1;
  transition: transform 0.2s ease;
}

.page-disclaimer .terms-hero__cta:hover {
  border-color: var(--dis-neon);
  color: var(--dis-neon);
  background: rgba(198, 255, 77, 0.06);
}

.page-disclaimer .terms-hero__cta:hover::after {
  transform: translateY(2px);
}

.page-disclaimer .terms-hero__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .terms-version,
.page-disclaimer .terms-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 5px 12px;
}

.page-disclaimer .terms-version {
  color: var(--dis-white);
}

.page-disclaimer .terms-version::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dis-neon);
  flex-shrink: 0;
}

.page-disclaimer .terms-status {
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.06);
}

/* ---------- 目录索引 ---------- */
.page-disclaimer .terms-index {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0 20px;
  margin: 24px 0 48px;
  scroll-margin-top: calc(var(--header-h, 64px) + 16px);
}

.page-disclaimer .terms-index__item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--dis-white);
  border: 1px solid rgba(10, 15, 30, 0.12);
  padding: 12px 14px;
  text-decoration: none;
  color: var(--dis-ink);
  font-size: 14px;
  font-weight: 600;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-disclaimer .terms-index__item:hover {
  border-color: var(--dis-ink);
  transform: translateY(-2px);
}

.page-disclaimer .terms-index__num {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 800;
  color: var(--dis-orange);
}

.page-disclaimer .terms-index__label {
  font-size: 14px;
  white-space: nowrap;
}

/* ---------- 阶段布局 ---------- */
.page-disclaimer .terms-phase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 0 20px;
  margin: 0 0 52px;
}

.page-disclaimer .terms-phase__rail {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-top: 3px solid var(--dis-ink);
  padding-top: 12px;
}

.page-disclaimer .terms-phase__num {
  font-family: var(--font-data);
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
  color: var(--dis-orange);
}

.page-disclaimer .terms-phase__label {
  font-size: 20px;
  font-weight: 800;
  font-style: italic;
  letter-spacing: 0.08em;
}

.page-disclaimer .terms-phase__content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

/* ---------- 条款卡片 ---------- */
.page-disclaimer .terms-card {
  background: var(--dis-white);
  border: 1px solid rgba(10, 15, 30, 0.1);
  padding: 24px 20px;
  box-shadow: 4px 4px 0 rgba(10, 15, 30, 0.04);
  scroll-margin-top: calc(var(--header-h, 64px) + 16px);
}

.page-disclaimer .terms-card h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--dis-ink);
  display: inline-block;
}

.page-disclaimer .terms-card__lead {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dis-ink);
  opacity: 0.8;
  margin: 0 0 18px;
}

.page-disclaimer .terms-card p {
  font-size: 14px;
  line-height: 1.75;
  margin: 0 0 14px;
}

.page-disclaimer .terms-card a {
  color: var(--dis-ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: rgba(10, 15, 30, 0.35);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.page-disclaimer .terms-card a:hover {
  color: var(--dis-orange);
  text-decoration-color: var(--dis-orange);
}

/* ---------- 服务内容网格 ---------- */
.page-disclaimer .service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 4px 0 0;
}

.page-disclaimer .service-item {
  border: 1px solid rgba(10, 15, 30, 0.1);
  border-left: 4px solid var(--dis-ink);
  padding: 16px 14px;
  background: rgba(244, 233, 216, 0.4);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .service-item:hover {
  border-color: rgba(10, 15, 30, 0.3);
  box-shadow: 2px 2px 0 rgba(198, 255, 77, 0.7);
}

.page-disclaimer .service-item__title {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-disclaimer .service-item__title::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--dis-orange);
  flex-shrink: 0;
  transform: rotate(45deg);
}

.page-disclaimer .service-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--dis-ink);
  opacity: 0.85;
  margin: 0;
}

/* ---------- 折叠面板 ---------- */
.page-disclaimer .terms-details {
  margin-top: 16px;
  border-top: 1px dashed rgba(10, 15, 30, 0.2);
  padding-top: 12px;
}

.page-disclaimer .terms-details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
  padding: 4px 0;
  color: var(--dis-ink);
}

.page-disclaimer .terms-details summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-details summary::before {
  content: '+';
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 800;
  color: var(--dis-orange);
  line-height: 1;
}

.page-disclaimer .terms-details[open] summary::before {
  content: '−';
}

.page-disclaimer .terms-details p {
  font-size: 14px;
  line-height: 1.7;
  margin: 12px 0 0;
}

/* ---------- 行为规范列表 ---------- */
.page-disclaimer .terms-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding: 11px 0 11px 28px;
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid rgba(10, 15, 30, 0.06);
}

.page-disclaimer .terms-list li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 18px;
  width: 8px;
  height: 8px;
  background: var(--dis-orange);
  transform: rotate(45deg);
}

.page-disclaimer .terms-list li:last-child {
  border-bottom: none;
}

/* ---------- 知识产权区块 ---------- */
.page-disclaimer .ip-block {
  border: 1px solid rgba(10, 15, 30, 0.1);
  padding: 16px;
  background: rgba(244, 233, 216, 0.3);
  margin-bottom: 12px;
}

.page-disclaimer .ip-block:last-child {
  margin-bottom: 0;
}

.page-disclaimer .ip-block h3 {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 8px;
}

.page-disclaimer .ip-block p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

/* ---------- 数据来源区域 ---------- */
.page-disclaimer .data-source-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 18px;
}

.page-disclaimer .data-source-copy p {
  font-size: 14px;
  line-height: 1.75;
}

.page-disclaimer .data-source-media {
  margin: 0;
  border: 1px solid rgba(10, 15, 30, 0.12);
  background: var(--dis-stone);
  padding: 6px 6px 10px;
}

.page-disclaimer .data-source-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: rgba(139, 147, 167, 0.25);
}

.page-disclaimer .data-source-media figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--dis-stone);
  text-align: center;
  padding-top: 8px;
}

/* ---------- 免责声明（橙色强调） ---------- */
.page-disclaimer .terms-card--warning {
  border: 2px solid var(--dis-orange);
  background: rgba(255, 107, 53, 0.05);
  box-shadow: 6px 6px 0 rgba(255, 107, 53, 0.16);
}

.page-disclaimer .terms-card--warning h2 {
  border-bottom-color: var(--dis-orange);
}

.page-disclaimer .terms-card--warning p:last-of-type {
  margin-bottom: 0;
}

/* ---------- 条款更新 ---------- */
.page-disclaimer .update-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.page-disclaimer .update-meta__tag {
  display: inline-block;
  background: var(--dis-ink);
  color: var(--dis-neon);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  letter-spacing: 0.08em;
}

.page-disclaimer .update-meta__version {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 800;
  color: var(--dis-ink);
}

.page-disclaimer .update-meta__status {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--dis-stone);
  border: 1px solid rgba(139, 147, 167, 0.4);
  padding: 4px 12px;
}

/* ============================================================
   响应式：平板
   ============================================================ */
@media (min-width: 768px) {
  .page-disclaimer .terms-hero {
    padding: 48px 40px 56px;
  }

  .page-disclaimer .terms-hero::after {
    height: 32px;
    transform: skewY(-1.5deg);
  }

  .page-disclaimer .terms-index {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 0 40px;
  }

  .page-disclaimer .terms-phase {
    padding: 0 40px;
  }

  .page-disclaimer .terms-card {
    padding: 28px 24px;
  }
}

/* ============================================================
   响应式：桌面
   ============================================================ */
@media (min-width: 992px) {
  .page-disclaimer .terms-hero__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
  }

  .page-disclaimer .terms-hero__copy {
    flex: 1 1 auto;
  }

  .page-disclaimer .terms-hero__meta {
    flex-shrink: 0;
    flex-direction: column;
    align-items: flex-start;
    padding: 0 0 6px;
  }

  .page-disclaimer .terms-index {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-disclaimer .terms-index__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px 12px;
  }

  .page-disclaimer .terms-phase {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 32px;
    margin-bottom: 56px;
  }

  .page-disclaimer .terms-phase__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border-top: none;
    border-left: 3px solid var(--dis-ink);
    padding: 20px 0 0 18px;
  }

  .page-disclaimer .terms-phase__num {
    font-size: 32px;
  }

  .page-disclaimer .terms-phase__label {
    font-size: 18px;
  }

  .page-disclaimer .terms-card {
    padding: 32px;
  }

  .page-disclaimer .terms-card h2 {
    font-size: 26px;
  }

  .page-disclaimer .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-disclaimer .service-item {
    padding: 20px;
  }

  .page-disclaimer .terms-card--split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .page-disclaimer .terms-card--split h2,
  .page-disclaimer .terms-card--split .terms-card__lead {
    grid-column: 1 / -1;
  }

  .page-disclaimer .ip-block {
    margin-bottom: 0;
  }

  .page-disclaimer .data-source-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 28px;
  }
}

/* ============================================================
   响应式：宽屏
   ============================================================ */
@media (min-width: 1200px) {
  .page-disclaimer .terms-hero {
    padding: 56px 40px 64px;
  }

  .page-disclaimer .terms-hero__inner,
  .page-disclaimer .terms-index,
  .page-disclaimer .terms-phase {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-disclaimer .terms-index {
    margin-bottom: 56px;
  }
}