/* ===== 使用说明页 · 页面专属样式 ===== */
.page-disclaimer {
  --clause-text: #1A1D21;
  --clause-line: #E5E8EB;

  position: relative;
  min-height: 100vh;
  padding: 0 0 clamp(56px, 10vw, 96px);
  color: var(--text-light);
  background: var(--bg);
  overflow: hidden;
}

/* 技术蓝图网格背景 */
.page-disclaimer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.28;
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 40px);
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.disclaimer-hero {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(44px, 7vw, 80px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--grid);
}

.disclaimer-hero::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 120px;
  background: var(--green);
}

.disclaimer-hero-main {
  max-width: 760px;
}

.page-disclaimer .breadcrumb {
  margin-bottom: 4px;
  font-size: 0.78rem;
}

.page-disclaimer .breadcrumb a {
  color: var(--blue-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--green);
}

.page-disclaimer .breadcrumb-current {
  color: rgba(248, 250, 252, 0.55);
}

.page-disclaimer .page-kicker {
  margin: 20px 0 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
}

.page-disclaimer .page-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5.6vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-disclaimer .page-sub {
  margin: 18px 0 0;
  max-width: 44em;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(248, 250, 252, 0.72);
}

.disclaimer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-2);
}

.disclaimer-hero-side {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.warn-figure {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.warn-triangle {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 34px;
  height: 34px;
  padding: 4px;
  color: var(--grid);
  background: var(--surface);
  border: 1px solid var(--grid);
  border-radius: 2px;
  box-sizing: border-box;
}

.disclaimer-warn-img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  border: 1px solid var(--grid);
  background: #FFFFFF;
  object-fit: cover;
  box-shadow: 8px 8px 0 rgba(46, 110, 158, 0.14);
}

/* ---------- 章节索引 ---------- */
.disclaimer-toc {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--blue-2);
  display: grid;
  gap: 16px;
}

.toc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.toc-index {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--green);
}

.toc-note {
  font-size: 0.7rem;
  color: rgba(248, 250, 252, 0.5);
}

.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  grid-template-columns: 1fr;
}

.toc-list li {
  border-bottom: 1px solid rgba(42, 45, 51, 0.7);
}

.toc-list li:last-child {
  border-bottom: none;
}

.toc-list a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 4px;
  color: var(--text-light);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.92rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.toc-list a:hover {
  color: var(--green);
  padding-left: 8px;
}

.toc-num {
  min-width: 2em;
  font-size: 0.78rem;
  color: var(--blue-2);
}

/* ---------- 数据链路状态 ---------- */
.disclaimer-status {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin: 18px 0 24px;
  padding: 10px 16px;
  background: rgba(24, 225, 143, 0.06);
  border: 1px solid rgba(24, 225, 143, 0.24);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--green);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(24, 225, 143, 0.6);
}

.status-label {
  color: rgba(248, 250, 252, 0.55);
}

.status-value {
  color: var(--green);
  font-weight: 600;
}

.status-sep {
  color: var(--grid);
}

/* ---------- 条款正文 ---------- */
.disclaimer-clauses {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
  margin-bottom: clamp(28px, 5vw, 48px);
}

.disclaimer-clause {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 16px;
  align-items: start;
  padding: clamp(24px, 4vw, 36px);
  background: var(--surface);
  color: var(--clause-text);
  border: 1px solid var(--clause-line);
  border-left: 4px solid var(--blue);
  border-radius: 2px;
}

.clause-num {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--blue);
  background: var(--surface-2);
  border-radius: 2px;
}

.clause-head-text {
  grid-column: 2;
  grid-row: 1;
}

.clause-head-text h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--clause-text);
}

.clause-head-text h2::after {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 10px;
  background: var(--green);
}

.clause-head-text p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--muted);
}

.clause-body {
  grid-column: 1 / -1;
  max-width: 80ch;
}

.clause-body p {
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--clause-text);
}

.clause-body p:last-child {
  margin-bottom: 0;
}

.clause-body a {
  color: var(--blue-2);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(46, 110, 158, 0.4);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.clause-body a:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}

.clause-list {
  list-style: none;
  margin: 4px 0 18px;
  padding: 0;
}

.clause-list li {
  position: relative;
  padding: 7px 0 7px 20px;
  font-size: 0.93rem;
  line-height: 1.7;
  border-bottom: 1px solid var(--clause-line);
}

.clause-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1em;
  width: 12px;
  height: 2px;
  background: var(--blue-2);
}

.clause-list li:last-child {
  border-bottom: none;
}

.clause-notice {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: flex-start;
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--surface-2);
  border-left: 4px solid var(--orange);
}

.notice-mark {
  font-size: 1rem;
  font-weight: 700;
  color: var(--orange);
}

.clause-notice p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

.clause-expand {
  margin-top: 18px;
  border: 1px solid var(--clause-line);
  background: var(--surface-2);
  border-radius: 2px;
}

.clause-expand summary {
  cursor: pointer;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--blue);
  list-style: none;
  user-select: none;
}

.clause-expand summary::-webkit-details-marker {
  display: none;
}

.clause-expand summary::before {
  content: '+';
  margin-right: 10px;
  font-weight: 700;
  color: var(--blue-2);
}

.clause-expand[open] summary::before {
  content: '−';
}

.expand-content {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--clause-line);
}

.expand-content p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ---------- 相关文档 ---------- */
.disclaimer-docs {
  margin: clamp(20px, 3vw, 32px) 0;
}

.docs-card {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 38px);
  background: var(--blue);
  color: #FFFFFF;
  border-radius: 2px;
}

.docs-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.docs-card > * {
  position: relative;
  z-index: 1;
}

.docs-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
}

.docs-card h2 {
  margin: 10px 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.2rem, 2.4vw, 1.4rem);
  font-weight: 700;
}

.docs-card p {
  max-width: 52em;
  margin: 0 0 20px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.84);
}

.docs-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-disclaimer .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 2px;
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .btn-outline:hover {
  background: #FFFFFF;
  color: var(--blue);
  border-color: #FFFFFF;
}

/* ---------- 免责声明 ---------- */
.disclaimer-final {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  margin-top: clamp(24px, 4vw, 36px);
  padding: clamp(20px, 3vw, 26px);
  background: rgba(255, 109, 0, 0.04);
  border: 1px solid rgba(255, 109, 0, 0.5);
  border-left: 4px solid var(--orange);
}

.final-icon {
  width: 34px;
  height: 34px;
  color: var(--orange);
}

.final-text h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  color: #FFFFFF;
}

.final-text p {
  margin: 0 0 8px;
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(248, 250, 252, 0.78);
}

.final-text p:last-child {
  margin-bottom: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .toc-list {
    grid-template-columns: 1fr 1fr;
    gap: 0 28px;
  }

  .toc-list li:nth-last-child(-n + 2) {
    border-bottom: none;
  }
}

@media (min-width: 760px) {
  .disclaimer-clause {
    grid-template-columns: 96px 1fr;
    gap: 24px 32px;
    padding: 32px 36px;
  }

  .clause-num {
    grid-row: 1 / span 2;
    grid-column: 1;
    width: 88px;
    height: 88px;
    font-size: 1.75rem;
    color: #FFFFFF;
    background: var(--blue);
  }

  .clause-head-text {
    grid-column: 2;
  }

  .clause-body {
    grid-column: 2;
    padding-top: 4px;
  }
}

@media (min-width: 800px) {
  .disclaimer-hero {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
  }

  .disclaimer-hero-side {
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .disclaimer-final {
    grid-template-columns: 1fr;
  }

  .final-icon {
    width: 28px;
    height: 28px;
  }

  .clause-num {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}