/* ========== 使用说明页 page-disclaimer 专属样式 ========== */
.page-disclaimer {
  background: var(--color-bg);
  color: var(--color-text);
  --legal-hover-bg: #23254a;
}

/* ---- 首屏标题区 ---- */
.disclaimer-hero {
  position: relative;
  padding: 148px 0 72px;
  overflow: hidden;
}

.disclaimer-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -40px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255, 122, 0, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.disclaimer-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.disclaimer-hero__main {
  max-width: 720px;
}

.disclaimer-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-headline);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.disclaimer-hero__kicker::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.disclaimer-hero h1 {
  font-family: var(--font-headline);
  font-size: 36px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.disclaimer-hero .page-intro {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--color-text-secondary);
  margin-top: 20px;
}

/* ---- 右侧文档信息卡 ---- */
.hero-note {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid rgba(61, 63, 99, 0.6);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
}

.hero-note::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-highlight));
  border-radius: 0 0 4px 4px;
}

.hero-note__top {
  margin-bottom: 16px;
}

.hero-note__title {
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 14px;
}

.hero-note__list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}

.hero-note__list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.hero-note__list li::before {
  content: "·";
  position: absolute;
  left: 4px;
  color: var(--color-accent);
  font-weight: 900;
}

.hero-note__trust {
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  margin-bottom: 16px;
}

.hero-note__trust p {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.hero-note__icp {
  display: inline-block;
  font-family: var(--font-headline);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-highlight);
  background: rgba(255, 214, 102, 0.08);
  border-radius: 6px;
  padding: 6px 10px;
}

/* ---- 章节基础 ---- */
.disclaimer-section {
  position: relative;
}

/* ---- 条款卡片网格 ---- */
.clause-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

/* ---- 条款卡片 ---- */
.clause-card {
  position: relative;
  background: var(--color-bg-card);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 30px 28px 26px 34px;
  transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.clause-card:hover {
  background: var(--legal-hover-bg);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.clause-card--compact {
  padding: 24px 24px 22px 28px;
}

.clause-card__num {
  display: block;
  font-family: var(--font-headline);
  font-size: 52px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
  margin-bottom: 14px;
}

.clause-card__title {
  font-family: var(--font-headline);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.clause-card__text {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.clause-card__text strong {
  color: var(--color-text);
  font-weight: 700;
}

.clause-card__text a {
  color: var(--color-accent-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.clause-card__text a:hover {
  color: var(--color-highlight);
}

/* ---- 补充说明 details/summary ---- */
.clause-note {
  margin-top: 14px;
  border-top: 1px dashed var(--color-border);
  padding-top: 12px;
}

.clause-note summary {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent-soft);
  user-select: none;
  transition: color 0.2s;
}

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

.clause-note summary:hover {
  color: var(--color-highlight);
}

.clause-note summary::before {
  content: "+";
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  transition: transform 0.2s ease;
}

.clause-note[open] summary::before {
  transform: rotate(45deg);
}

.clause-note summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.clause-note p {
  margin: 12px 0 0;
  padding: 10px 12px;
  background: rgba(15, 16, 37, 0.6);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.clause-note p a {
  color: var(--color-accent-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- 下载安全须知布局 ---- */
.safety-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.clause-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.safety-figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

.safety-figure__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.safety-figure__caption {
  padding: 14px 18px;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
}

.safety-badge {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 20px;
  padding: 16px 18px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: var(--radius);
}

.safety-badge__icon {
  width: 32px;
  height: 32px;
  min-width: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-success);
  color: #0f1025;
  border-radius: 50%;
  font-size: 16px;
  font-weight: 900;
}

.safety-badge p {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

/* ---- 底部反馈区 ---- */
.disclaimer-feedback {
  padding: 72px 0 110px;
}

.feedback-panel {
  position: relative;
  background: linear-gradient(135deg, #1c1e3a 0%, #0f1025 100%);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 40px 32px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  box-shadow: var(--shadow-card);
}

.feedback-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-highlight));
  border-radius: 24px 0 0 24px;
}

.disclaimer-feedback__kicker {
  font-family: var(--font-headline);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.feedback-panel__text .section-title {
  font-size: 28px;
  margin-bottom: 12px;
}

.feedback-panel__text p {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin: 0 0 12px;
}

.feedback-panel__contact {
  font-size: 14px;
}

.feedback-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.disclaimer-feedback__brand {
  text-align: center;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-top: 32px;
}

/* ---- 平板适配 ---- */
@media (min-width: 680px) and (max-width: 899px) {
  .clause-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .clause-grid .clause-card:last-child {
    grid-column: 1 / -1;
  }
}

/* ---- 桌面适配 ---- */
@media (min-width: 900px) {
  .disclaimer-hero {
    padding: 180px 0 88px;
  }

  .disclaimer-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.7fr);
    gap: 64px;
    align-items: end;
  }

  .disclaimer-hero h1 {
    font-size: 56px;
  }

  .clause-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .safety-layout {
    grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.5fr);
    gap: 40px;
  }

  .safety-layout__visual {
    position: sticky;
    top: 96px;
  }

  .feedback-panel {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 48px;
  }

  .feedback-panel__actions {
    justify-content: flex-end;
  }
}

/* ---- 宽屏微调 ---- */
@media (min-width: 1400px) {
  .clause-grid {
    gap: 28px;
  }
}