/* ===== 使用说明页 · 导览卡布局 ===== */
.page-disclaimer {
  --stamp-dim: 150px;
  padding-bottom: 64px;
  position: relative;
}

/* ------- 顶部：封面 ------- */
.page-disclaimer .disclaimer-hero {
  position: relative;
  margin: 24px 0 56px;
}

.page-disclaimer .disclaimer-hero__media {
  position: relative;
  overflow: hidden;
  background: var(--navy-800);
}

.page-disclaimer .disclaimer-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, transparent 62%, rgba(201, 160, 99, 0.22) 62%, rgba(201, 160, 99, 0.22) 100%);
  pointer-events: none;
}

.page-disclaimer .disclaimer-hero__img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 100%);
}

.page-disclaimer .disclaimer-hero__badge {
  position: absolute;
  right: 12px;
  top: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--paper);
  background: rgba(10, 31, 68, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 14px;
}

.page-disclaimer .disclaimer-hero__content {
  position: relative;
  z-index: 2;
  margin-top: -36px;
  padding: 28px 0 0;
}

.page-disclaimer .disclaimer-hero__content .section-tag {
  margin-bottom: 10px;
}

.page-disclaimer .disclaimer-hero__content h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--paper);
  margin: 0 0 12px;
  line-height: 1.25;
}

.page-disclaimer .disclaimer-hero__content > p {
  max-width: 660px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

/* ------- 摘要导航 ------- */
.page-disclaimer .disclaimer-summary {
  background:
    repeating-linear-gradient(-45deg, rgba(201, 160, 99, 0.06) 0, rgba(201, 160, 99, 0.06) 1px, transparent 1px, transparent 8px),
    var(--navy-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold-500);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 18px;
  margin-bottom: 44px;
}

.page-disclaimer .disclaimer-summary__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-disclaimer .disclaimer-summary__dot {
  width: 10px;
  height: 10px;
  background: var(--orange-500);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.page-disclaimer .disclaimer-summary__label {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.06em;
}

.page-disclaimer .disclaimer-summary__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-disclaimer .disclaimer-summary__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  color: var(--muted);
  font-size: 0.92rem;
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-summary__link:hover,
.page-disclaimer .disclaimer-summary__link:focus-visible {
  color: var(--paper);
  padding-left: 6px;
}

.page-disclaimer .disclaimer-summary__no {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold-500);
  letter-spacing: 0.05em;
}

.page-disclaimer .disclaimer-summary__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ------- 条款细节 ------- */
.page-disclaimer .disclaimer-details {
  border-top: 1px solid var(--line);
}

.page-disclaimer .disclaimer-section {
  position: relative;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.page-disclaimer .disclaimer-section:last-child {
  border-bottom: none;
}

.page-disclaimer .disclaimer-section__num {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 8vw, 4.4rem);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold-500);
  opacity: 0.55;
}

.page-disclaimer .disclaimer-section__content h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--paper);
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-disclaimer .disclaimer-section__content h2::after {
  content: "";
  flex: 0 1 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
}

.page-disclaimer .disclaimer-section__content > p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.98rem;
  margin: 0 0 16px;
}

.page-disclaimer .disclaimer-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .disclaimer-list li {
  position: relative;
  padding-left: 22px;
  color: var(--paper);
  font-size: 0.94rem;
  line-height: 1.65;
}

.page-disclaimer .disclaimer-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--orange-500);
  transform: rotate(45deg);
}

.page-disclaimer .disclaimer-list li strong {
  color: var(--paper);
  font-weight: 500;
}

.page-disclaimer .disclaimer-list li a {
  color: var(--teal-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 212, 191, 0.35);
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-list li a:hover {
  border-bottom-color: var(--teal-400);
}

/* ------- 折叠详情 ------- */
.page-disclaimer .disclaimer-fold {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}

.page-disclaimer .disclaimer-fold summary {
  cursor: pointer;
  padding: 12px 16px;
  color: var(--teal-400);
  font-size: 0.88rem;
  font-weight: 500;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

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

.page-disclaimer .disclaimer-fold summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 16px;
  text-align: center;
  border: 1px solid var(--gold-500);
  border-radius: 50%;
  color: var(--gold-500);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  transition: transform var(--dur) var(--ease);
  flex-shrink: 0;
}

.page-disclaimer .disclaimer-fold[open] summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .disclaimer-fold p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ------- 备案章 ------- */
.page-disclaimer .disclaimer-stamp {
  position: relative;
  width: var(--stamp-dim);
  height: var(--stamp-dim);
  border: 3px solid var(--gold-500);
  border-radius: 50%;
  margin: 36px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow:
    0 0 0 5px var(--navy-900),
    0 0 0 7px rgba(201, 160, 99, 0.45),
    0 0 0 10px var(--navy-900),
    0 0 0 12px rgba(201, 160, 99, 0.22);
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-disclaimer .disclaimer-stamp:hover,
.page-disclaimer .disclaimer-stamp:focus-visible {
  box-shadow:
    0 0 0 5px var(--navy-900),
    0 0 0 7px rgba(201, 160, 99, 0.7),
    0 0 0 10px var(--navy-900),
    0 0 0 12px rgba(201, 160, 99, 0.4);
  transform: scale(1.02);
}

.page-disclaimer .disclaimer-stamp__core {
  font-family: var(--font-serif);
  color: var(--gold-500);
  padding: 12px;
}

.page-disclaimer .disclaimer-stamp__brand {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.page-disclaimer .disclaimer-stamp__icp {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gold-300);
  margin-top: 6px;
  line-height: 1.35;
}

.page-disclaimer .disclaimer-stamp__slogan {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 8px;
}

.page-disclaimer .disclaimer-stamp__tip {
  position: absolute;
  top: -8px;
  right: -12px;
  background: var(--orange-500);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  padding: 4px 8px;
  border-radius: 3px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  pointer-events: none;
  white-space: nowrap;
}

.page-disclaimer .disclaimer-stamp:hover .disclaimer-stamp__tip,
.page-disclaimer .disclaimer-stamp:focus-visible .disclaimer-stamp__tip {
  opacity: 1;
  transform: translateY(0);
}

.page-disclaimer .disclaimer-compliance-note {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin: 8px 0 0;
}

/* ------- 联系渠道 ------- */
.page-disclaimer .disclaimer-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 20px 0;
}

.page-disclaimer .disclaimer-contact-item {
  display: flex;
  flex-direction: column;
  padding: 14px 16px;
  background: var(--navy-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  gap: 4px;
}

.page-disclaimer .disclaimer-contact-item__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-500);
}

.page-disclaimer .disclaimer-contact-item__value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--paper);
  word-break: break-all;
}

.page-disclaimer .disclaimer-contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* ------- 桌面端 ------- */
@media (min-width: 992px) {
  .page-disclaimer {
    padding-bottom: 96px;
  }

  .page-disclaimer .disclaimer-hero {
    margin: 32px 0 72px;
  }

  .page-disclaimer .disclaimer-hero__img {
    height: 400px;
    clip-path: polygon(0 0, 100% 0, 100% 72%, 0 92%);
  }

  .page-disclaimer .disclaimer-hero__badge {
    right: 24px;
    top: 24px;
    font-size: 0.82rem;
    padding: 8px 16px;
  }

  .page-disclaimer .disclaimer-hero__content {
    margin-top: -72px;
    padding: 40px 0 0;
  }

  .page-disclaimer .disclaimer-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .disclaimer-summary {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    margin-bottom: 0;
    padding: 28px 24px;
  }

  .page-disclaimer .disclaimer-details {
    border-top: none;
    padding-top: 0;
  }

  .page-disclaimer .disclaimer-section {
    padding: 52px 0;
    grid-template-columns: 84px 1fr;
    gap: 28px;
  }

  .page-disclaimer .disclaimer-section__num {
    font-size: 3.6rem;
    opacity: 0.42;
  }

  .page-disclaimer .disclaimer-contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}