/* ===== 使用说明页 /legal/ ===== */
.page-disclaimer {
  --disc-panel: var(--c-cream);
  --disc-line: rgba(90, 95, 102, 0.42);
  background-color: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
  padding-bottom: 0;
}

.page-disclaimer .container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --- 面包屑 --- */
.page-disclaimer .breadcrumbs {
  padding-top: 92px;
  padding-bottom: 16px;
  font-size: 13px;
  color: var(--c-rock);
}

/* --- 首屏规则板 --- */
.page-disclaimer .rule-hero {
  position: relative;
  border-top: 6px solid var(--c-orange);
  border-bottom: 6px solid var(--c-clay);
  background-color: var(--c-navy);
  background-image:
    repeating-linear-gradient(90deg, rgba(247, 245, 240, 0.07) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(247, 245, 240, 0.07) 0 1px, transparent 1px 72px);
  color: var(--c-paper);
  padding: clamp(28px, 5vw, 56px) 0 clamp(34px, 5.5vw, 64px);
}

.page-disclaimer .rule-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  align-items: start;
}

.page-disclaimer .rule-hero__eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 16px;
  border: 2px solid var(--c-green);
  border-radius: var(--radius-pill);
  color: var(--c-green);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-disclaimer .rule-hero__title {
  margin: 0 0 20px;
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 300;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  max-width: 18ch;
}

.page-disclaimer .rule-hero__lead {
  margin: 0 0 30px;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(247, 245, 240, 0.8);
}

.page-disclaimer .rule-hero__marks {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 22px 0 0;
  border-top: 2px solid rgba(247, 245, 240, 0.2);
  list-style: none;
}

.page-disclaimer .rule-hero__marks li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-disclaimer .rule-hero__mark-num {
  font-family: var(--font-data);
  font-size: clamp(22px, 3.6vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-green);
  letter-spacing: -0.02em;
}

.page-disclaimer .rule-hero__mark-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(247, 245, 240, 0.68);
  letter-spacing: 0.04em;
}

.page-disclaimer .rule-hero__figure {
  margin: 0;
  border: 4px solid var(--c-cream);
  border-radius: var(--radius-sm);
  background: var(--c-ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-disclaimer .rule-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
}

/* --- 条款编号导航 --- */
.page-disclaimer .clause-index {
  background: var(--disc-panel);
  border-bottom: 2px solid var(--c-ink);
  padding: clamp(24px, 3.6vw, 38px) 0;
}

.page-disclaimer .clause-index__label {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-rock);
}

.page-disclaimer .clause-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  padding: 12px 14px;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius-sm);
  background: var(--c-paper);
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-disclaimer .clause-index__num {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--c-orange);
  transition: color 0.25s var(--ease);
}

.page-disclaimer .clause-index__text {
  min-width: 0;
}

.page-disclaimer .clause-index__link:hover,
.page-disclaimer .clause-index__link:focus-visible {
  background: var(--c-orange);
  color: #ffffff;
  transform: translate(-2px, -2px);
}

.page-disclaimer .clause-index__link:hover .clause-index__num,
.page-disclaimer .clause-index__link:focus-visible .clause-index__num {
  color: var(--c-paper);
}

/* --- 条款正文 --- */
.page-disclaimer .clauses {
  background: var(--c-paper);
  padding: clamp(30px, 5vw, 64px) 0 0;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  border-top: 3px solid var(--c-ink);
  padding: clamp(22px, 3.4vw, 36px) 0;
  scroll-margin-top: 108px;
}

.page-disclaimer .clause__mark {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.page-disclaimer .clause__num {
  font-family: var(--font-data);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--c-orange);
}

.page-disclaimer .clause__mark::after {
  content: "";
  flex: 1 1 auto;
  height: 2px;
  margin-top: 20px;
  background-image: repeating-linear-gradient(90deg, var(--c-silver) 0 2px, transparent 2px 9px);
}

.page-disclaimer .clause__main {
  min-width: 0;
}

.page-disclaimer .clause__title {
  margin: 0 0 16px;
  font-size: clamp(21px, 3.2vw, 29px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-disclaimer .clause__intro {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-rock);
}

.page-disclaimer .clause__outro {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--disc-line);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-rock);
}

.page-disclaimer .rule-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .rule-list > li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-disclaimer .rule-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 9px;
  background: var(--c-orange);
}

.page-disclaimer .rule-list--ban > li::before {
  top: 0.9em;
  height: 3px;
  background: var(--c-clay);
}

/* 深色条款面板 */
.page-disclaimer .clause--dark {
  border-top-color: var(--c-orange);
  background: var(--c-navy);
  border-radius: var(--radius-sm);
  padding-left: clamp(16px, 2.6vw, 30px);
  padding-right: clamp(16px, 2.6vw, 30px);
  padding-bottom: clamp(24px, 3.4vw, 38px);
}

.page-disclaimer .clause--dark .clause__num {
  color: var(--c-green);
}

.page-disclaimer .clause--dark .clause__mark::after {
  background-image: repeating-linear-gradient(90deg, rgba(247, 245, 240, 0.3) 0 2px, transparent 2px 9px);
}

.page-disclaimer .clause--dark .clause__title {
  color: var(--c-paper);
}

.page-disclaimer .clause--dark .clause__intro,
.page-disclaimer .clause--dark .clause__outro {
  color: rgba(247, 245, 240, 0.72);
}

.page-disclaimer .clause--dark .clause__outro {
  border-top-color: rgba(247, 245, 240, 0.22);
}

.page-disclaimer .clause--dark .rule-list > li {
  color: rgba(247, 245, 240, 0.88);
}

.page-disclaimer .clause--dark .rule-list--ban > li::before {
  background: var(--c-green);
}

/* --- 联系与备案信息板 --- */
.page-disclaimer .contact-board {
  margin-top: 20px;
  padding: clamp(16px, 2.6vw, 28px);
  border: 2px solid var(--c-ink);
  border-radius: var(--radius-sm);
  background: var(--disc-panel);
  box-shadow: var(--shadow-hard);
}

.page-disclaimer .contact-board__list {
  margin: 0;
}

.page-disclaimer .contact-board__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--disc-line);
}

.page-disclaimer .contact-board__row:last-child {
  border-bottom: 0;
}

.page-disclaimer .contact-board__key {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-rock);
}

.page-disclaimer .contact-board__val {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(14px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-navy);
  word-break: break-word;
}

.page-disclaimer .contact-board__meta {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-rock);
}

.page-disclaimer .contact-board__seal {
  display: inline-block;
  margin: 18px 0 0;
  padding: 9px 18px;
  border: 2px solid var(--c-clay);
  border-radius: var(--radius-pill);
  font-family: var(--font-data);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-navy);
}

/* --- 内链提示条 --- */
.page-disclaimer .legal-cross {
  margin: 30px 0 0;
  padding: 16px 20px;
  border-left: 5px solid var(--c-orange);
  background: var(--disc-panel);
}

.page-disclaimer .legal-cross p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-disclaimer .legal-cross a {
  color: var(--c-orange-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* --- 返回顶部 --- */
.page-disclaimer .page-top {
  padding: clamp(28px, 4vw, 46px) 0 clamp(42px, 6vw, 76px);
  text-align: center;
}

.page-disclaimer .page-top__link {
  display: inline-block;
  padding: 12px 28px;
  border: 2px solid var(--c-ink);
  border-radius: var(--radius-pill);
  background: var(--c-paper);
  color: var(--c-ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-disclaimer .page-top__link:hover,
.page-disclaimer .page-top__link:focus-visible {
  background: var(--c-ink);
  color: var(--c-paper);
}

/* --- 窄屏适配 --- */
@media (max-width: 559px) {
  .page-disclaimer .breadcrumbs {
    padding-top: 84px;
  }

  .page-disclaimer .rule-hero__title {
    max-width: none;
  }

  .page-disclaimer .rule-hero__marks {
    gap: 8px;
  }

  .page-disclaimer .rule-hero__mark-label {
    font-size: 11.5px;
  }

  .page-disclaimer .clause-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .contact-board {
    box-shadow: 4px 4px 0 rgba(16, 24, 32, 0.16);
  }
}

/* --- 平板与桌面 --- */
@media (min-width: 640px) {
  .page-disclaimer .contact-board__row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .breadcrumbs {
    padding-top: 104px;
  }

  .page-disclaimer .rule-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-disclaimer .rule-hero__figure {
    align-self: stretch;
    display: flex;
    flex-direction: column;
  }

  .page-disclaimer .rule-hero__figure img {
    flex: 1 1 auto;
    height: 100%;
  }

  .page-disclaimer .clause {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 42px;
  }

  .page-disclaimer .clause--dark {
    padding-left: clamp(24px, 3vw, 40px);
    padding-right: clamp(24px, 3vw, 40px);
  }

  .page-disclaimer .rule-list > li {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause-index__link,
  .page-disclaimer .page-top__link,
  .page-disclaimer .clause-index__num {
    transition: none;
  }

  .page-disclaimer .clause-index__link:hover,
  .page-disclaimer .clause-index__link:focus-visible {
    transform: none;
  }
}