/* 页面作用域：使用说明与条款 */
.page-disclaimer {
  --terms-border-light: rgba(11, 61, 46, 0.18);
  --terms-texture-height: 360px;
  background: var(--off-white);
}

/* Hero 区 */
.page-disclaimer .disclaimer-hero {
  background: var(--primary-deep-green);
  color: var(--off-white);
  padding: 2.75rem 0 3.25rem;
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--secondary-gold);
}

.page-disclaimer .disclaimer-hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -60px;
  width: 200px;
  height: 100%;
  background: var(--accent-brick-red);
  transform: skewX(-12deg);
  opacity: 0.22;
  pointer-events: none;
}

.page-disclaimer .breadcrumb {
  margin-bottom: 2.25rem;
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb__item {
  color: rgba(245, 240, 232, 0.72);
  text-decoration: none;
  font-size: 0.875rem;
}

.page-disclaimer .breadcrumb__item:hover {
  color: var(--secondary-gold);
}

.page-disclaimer .breadcrumb__item--current {
  color: var(--secondary-gold);
}

.page-disclaimer .breadcrumb__separator {
  color: rgba(245, 240, 232, 0.4);
  margin: 0 0.5rem;
}

.page-disclaimer .disclaimer-hero__title {
  font-family: var(--heading-font);
  font-size: clamp(2.25rem, 5vw, 4rem);
  line-height: 1.08;
  margin: 0 0 1.25rem;
  color: var(--secondary-gold);
  letter-spacing: -0.01em;
}

.page-disclaimer .disclaimer-hero__desc {
  font-family: var(--accent-font), serif;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(245, 240, 232, 0.85);
  max-width: 720px;
  margin: 0 0 1.75rem;
}

.page-disclaimer .disclaimer-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-disclaimer .disclaimer-hero__tag {
  display: inline-block;
  border: 1px solid rgba(212, 175, 55, 0.5);
  color: var(--secondary-gold);
  font-family: var(--data-font);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.85rem;
}

/* 条款区 */
.page-disclaimer .disclaimer-clauses {
  position: relative;
  padding: 3.5rem 0 4rem;
  overflow: hidden;
  background: var(--off-white);
}

.page-disclaimer .disclaimer-clauses__texture {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--terms-texture-height);
  margin: 0;
  z-index: 0;
  pointer-events: none;
}

.page-disclaimer .disclaimer-clauses__texture img {
  width: 100%;
  height: var(--terms-texture-height);
  object-fit: cover;
  opacity: 0.14;
  filter: sepia(0.18) saturate(0.75);
}

.page-disclaimer .disclaimer-clauses__texture::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--off-white) 0%, transparent 28%, transparent 72%, var(--off-white) 100%);
}

.page-disclaimer .disclaimer-clauses .container {
  position: relative;
  z-index: 1;
}

.page-disclaimer .disclaimer-clauses__intro {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 2.75rem;
}

.page-disclaimer .disclaimer-clauses__intro-text {
  font-family: var(--accent-font), serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--neutral-gray);
  margin: 0.5rem 0 0;
  max-width: 560px;
}

.page-disclaimer .disclaimer-clauses__grid {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

/* 条款卡片 */
.page-disclaimer .clause-card {
  position: relative;
  background: var(--pure-white);
  border: 1px solid var(--terms-border-light);
  border-top: 3px solid var(--secondary-gold);
  padding: 2rem 1.5rem 2.25rem;
  box-shadow: 0 6px 24px rgba(11, 61, 46, 0.06);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  width: 100%;
}

.page-disclaimer .clause-card:hover {
  box-shadow: 0 10px 32px rgba(11, 61, 46, 0.1);
  transform: translateY(-3px);
}

.page-disclaimer .clause-card--offset {
  border-top: 1px solid var(--terms-border-light);
  border-left: 3px solid var(--secondary-gold);
}

.page-disclaimer .clause-card__number {
  position: absolute;
  top: 0.75rem;
  right: 1.25rem;
  font-family: var(--data-font);
  font-size: clamp(2.75rem, 5vw, 3.75rem);
  font-weight: 700;
  line-height: 1;
  color: rgba(123, 63, 0, 0.14);
  letter-spacing: -0.04em;
  z-index: 0;
}

.page-disclaimer .clause-card__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .clause-card__kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

.page-disclaimer .clause-card__tag {
  display: inline-block;
  font-family: var(--data-font);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 0.28rem 0.75rem;
  border-radius: 2px;
  background: var(--gold-tint);
  color: var(--primary-deep-green);
}

.page-disclaimer .clause-card--offset .clause-card__tag {
  background: var(--light-green-tint);
}

.page-disclaimer .clause-card:nth-child(3) .clause-card__tag {
  background: rgba(123, 63, 0, 0.1);
  color: var(--accent-brick-red);
}

.page-disclaimer .clause-card:nth-child(5) .clause-card__tag {
  background: var(--gold-tint);
}

.page-disclaimer .clause-card__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--secondary-gold) 0%, transparent 100%);
}

.page-disclaimer .clause-card__title {
  font-family: var(--heading-font);
  font-size: 1.5rem;
  line-height: 1.3;
  color: var(--primary-deep-green);
  margin: 0 0 1rem;
}

.page-disclaimer .clause-card__body p {
  font-family: var(--body-font);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--dark-text);
  margin: 0 0 0.875rem;
}

.page-disclaimer .clause-card__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause-card__body a {
  color: var(--primary-deep-green);
  text-decoration: underline;
  text-decoration-color: var(--secondary-gold);
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

.page-disclaimer .clause-card__body a:hover {
  color: var(--accent-brick-red);
}

/* 折叠细节 */
.page-disclaimer .clause-note {
  margin-top: 1.5rem;
  border-left: 2px solid var(--gold-tint);
  padding-left: 1rem;
}

.page-disclaimer .clause-note summary {
  cursor: pointer;
  font-family: var(--data-font);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--accent-brick-red);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  user-select: none;
  padding: 0.2rem 0;
}

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

.page-disclaimer .clause-note summary::before {
  content: '+';
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--secondary-gold);
}

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

.page-disclaimer .clause-note__body {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(11, 61, 46, 0.16);
  font-family: var(--body-font);
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--neutral-gray);
}

.page-disclaimer .clause-note__body p {
  margin: 0;
}

/* 帮助区 */
.page-disclaimer .disclaimer-help {
  background: var(--primary-deep-green);
  padding: 3.25rem 0;
  position: relative;
  overflow: hidden;
}

.page-disclaimer .disclaimer-help::after {
  content: '';
  position: absolute;
  bottom: -60px;
  right: -40px;
  width: 220px;
  height: 160px;
  background: var(--accent-brick-red);
  transform: skewX(-14deg);
  opacity: 0.28;
  pointer-events: none;
}

.page-disclaimer .disclaimer-help__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-disclaimer .disclaimer-help__label {
  display: inline-block;
  font-family: var(--data-font);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--secondary-gold);
  margin-bottom: 0.625rem;
}

.page-disclaimer .disclaimer-help__title {
  font-family: var(--heading-font);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.35;
  color: var(--off-white);
  margin: 0 0 0.875rem;
}

.page-disclaimer .disclaimer-help__desc {
  font-family: var(--body-font);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.78);
  max-width: 600px;
  margin: 0;
}

.page-disclaimer .disclaimer-help__desc a {
  color: var(--secondary-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s ease;
}

.page-disclaimer .disclaimer-help__desc a:hover {
  color: var(--off-white);
}

.page-disclaimer .disclaimer-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-disclaimer .disclaimer-help__btn {
  display: inline-block;
  font-family: var(--heading-font);
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  padding: 0.9375rem 2rem;
  text-decoration: none;
  transition: all 0.25s ease;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-disclaimer .disclaimer-help__btn--solid {
  background: var(--secondary-gold);
  color: var(--primary-deep-green);
}

.page-disclaimer .disclaimer-help__btn--solid:hover {
  background: var(--accent-brick-red);
  color: var(--off-white);
}

.page-disclaimer .disclaimer-help__btn--ghost {
  background: transparent;
  color: var(--off-white);
  border: 1px solid rgba(245, 240, 232, 0.6);
}

.page-disclaimer .disclaimer-help__btn--ghost:hover {
  border-color: var(--secondary-gold);
  color: var(--secondary-gold);
}

/* 返回顶部 */
.page-disclaimer .disclaimer-backtop {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary-deep-green);
  border: 1px solid var(--secondary-gold);
  color: var(--secondary-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  transition: background 0.25s ease, transform 0.25s ease, color 0.25s ease;
  z-index: 100;
}

.page-disclaimer .disclaimer-backtop:hover {
  background: var(--accent-brick-red);
  border-color: var(--accent-brick-red);
  color: var(--off-white);
  transform: translateY(-3px);
}

/* 桌面端 */
@media (min-width: 768px) {
  .page-disclaimer {
    --terms-texture-height: 480px;
  }

  .page-disclaimer .disclaimer-hero {
    padding: 4rem 0 4.5rem;
  }

  .page-disclaimer .disclaimer-hero__desc {
    font-size: 1.125rem;
  }

  .page-disclaimer .disclaimer-clauses {
    padding: 5rem 0 5.5rem;
  }

  .page-disclaimer .disclaimer-clauses__grid {
    gap: 3rem;
  }

  .page-disclaimer .clause-card {
    max-width: 680px;
    padding: 2.75rem 2.75rem 3rem;
  }

  .page-disclaimer .clause-card--offset {
    margin-left: auto;
    max-width: 620px;
  }

  .page-disclaimer .clause-card__title {
    font-size: 1.75rem;
  }

  .page-disclaimer .disclaimer-help {
    padding: 4.25rem 0;
  }

  .page-disclaimer .disclaimer-help__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-disclaimer .disclaimer-help__actions {
    flex-shrink: 0;
  }
}