/* ============ 使用说明页 · page-disclaimer ============ */

.page-disclaimer {
  --ds-edge: 2px;
  --ds-radius: 18px;
  background: var(--yw-white);
  color: var(--yw-deep);
  overflow-x: clip;
}

/* ---------- 通用小件 ---------- */

.page-disclaimer .ds-idx {
  display: inline-grid;
  place-items: center;
  min-width: 2rem;
  height: 1.45rem;
  padding: 0 .42rem;
  margin-right: .55rem;
  font-family: var(--yw-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  line-height: 1;
  vertical-align: middle;
  color: var(--yw-yellow);
  background: var(--yw-deep);
  border-radius: 5px;
}

.page-disclaimer .ds-head {
  max-width: 64ch;
  margin-bottom: clamp(1.25rem, 3.5vw, 2rem);
}

.page-disclaimer .ds-head .yw-title {
  margin-bottom: .6rem;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .ds-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5.5vw, 4rem) 0 clamp(3rem, 8vw, 6rem);
  background:
    radial-gradient(circle at 88% 6%, rgba(31, 209, 209, .22), transparent 52%),
    radial-gradient(circle at 4% 96%, rgba(255, 106, 26, .16), transparent 48%),
    var(--yw-white);
  border-bottom: var(--ds-edge) solid rgba(8, 24, 46, .12);
}

.page-disclaimer .ds-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -120px;
  width: clamp(200px, 34vw, 430px);
  aspect-ratio: 1;
  border-radius: 42% 58% 62% 38% / 48% 40% 60% 52%;
  background: var(--yw-blue);
  opacity: .1;
  z-index: 0;
}

.page-disclaimer .ds-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .ds-hero__eyebrow {
  margin-top: 1.4rem;
}

.page-disclaimer .ds-hero__title {
  margin: 1.1rem 0 1.15rem;
  max-width: 17ch;
  font-size: clamp(2.1rem, 8vw, 4.5rem);
  font-weight: 300;
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--yw-deep);
}

.page-disclaimer .ds-hero__title mark {
  background-image: linear-gradient(180deg, transparent 60%, var(--yw-yellow) 60%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  color: inherit;
  padding: 0 .06em;
}

.page-disclaimer .ds-hero__lede {
  max-width: 54ch;
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  line-height: 1.8;
  color: var(--yw-deep);
}

.page-disclaimer .ds-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.5rem 0 0;
}

/* ---------- 概览 ---------- */

.page-disclaimer .ds-overview {
  background: var(--yw-paper);
  border-bottom: var(--ds-edge) solid rgba(8, 24, 46, .12);
}

.page-disclaimer .ds-overview__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-disclaimer .ds-overview__figure {
  margin: 0;
  background: var(--yw-white);
  border: var(--ds-edge) solid var(--yw-deep);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--yw-shadow);
  transform: rotate(-1.1deg);
}

.page-disclaimer .ds-overview__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-disclaimer .ds-overview__side .yw-title {
  margin-bottom: .9rem;
}

.page-disclaimer .ds-quick {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-disclaimer .ds-quick__item {
  padding: .72rem .95rem;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--yw-deep);
  background: var(--yw-white);
  border: var(--ds-edge) solid var(--yw-deep);
  border-radius: 12px;
  box-shadow: 3px 3px 0 rgba(8, 24, 46, .12);
}

.page-disclaimer .ds-quick__key {
  display: inline-block;
  margin-right: .55rem;
  padding: .1rem .45rem;
  font-family: var(--yw-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--yw-white);
  background: var(--yw-blue);
  border-radius: 4px;
  vertical-align: 1px;
}

/* ---------- 规则分段 ---------- */

.page-disclaimer .ds-rules {
  background: var(--yw-white);
  padding-top: clamp(3rem, 8vw, 5.5rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-disclaimer .ds-tabs {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer .ds-tabs__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
}

.page-disclaimer .ds-tab {
  display: flex;
  align-items: center;
  gap: .6rem;
  width: 100%;
  padding: .85rem 1rem;
  font: inherit;
  font-size: .95rem;
  font-weight: 700;
  text-align: left;
  color: var(--yw-deep);
  background: var(--yw-white);
  border: var(--ds-edge) solid var(--yw-deep);
  border-radius: 14px;
  box-shadow: 3px 3px 0 rgba(8, 24, 46, .14);
  cursor: pointer;
  transition:
    transform var(--yw-dur) var(--yw-ease),
    box-shadow var(--yw-dur) var(--yw-ease),
    background var(--yw-dur) var(--yw-ease),
    color var(--yw-dur) var(--yw-ease);
}

.page-disclaimer .ds-tab:hover {
  transform: translateY(-3px);
  box-shadow: 5px 6px 0 rgba(8, 24, 46, .18);
}

.page-disclaimer .ds-tab:focus-visible {
  outline: 2px solid var(--yw-cyan);
  outline-offset: 3px;
}

.page-disclaimer .ds-tab[aria-selected="true"] {
  color: var(--yw-white);
  background: var(--yw-orange);
  box-shadow: 4px 4px 0 var(--yw-deep);
}

.page-disclaimer .ds-tab__idx {
  flex: none;
  padding: .12rem .4rem;
  font-family: var(--yw-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--yw-blue);
  background: var(--yw-paper);
  border-radius: 4px;
}

.page-disclaimer .ds-tab[aria-selected="true"] .ds-tab__idx {
  color: var(--yw-deep);
  background: var(--yw-white);
}

.page-disclaimer .ds-panel {
  position: relative;
  margin-top: 1.5rem;
  padding: clamp(1.4rem, 3.5vw, 2.5rem) clamp(1.1rem, 3.2vw, 2.25rem);
  background: var(--yw-white);
  border: var(--ds-edge) solid var(--yw-deep);
  border-radius: var(--ds-radius);
  box-shadow: var(--yw-shadow);
  overflow: hidden;
}

.page-disclaimer .ds-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 8px;
  background: repeating-linear-gradient(
    90deg,
    var(--yw-orange) 0 14px,
    var(--yw-cyan) 14px 28px
  );
}

.page-disclaimer .ds-panel[hidden] {
  display: none;
}

.page-disclaimer .ds-panel:focus-visible {
  outline: 2px solid var(--yw-orange);
  outline-offset: 3px;
}

.page-disclaimer .ds-panel__lede {
  margin: 0 0 1.5rem;
  max-width: 58ch;
  font-size: .98rem;
  line-height: 1.75;
  color: var(--yw-slate);
}

.page-disclaimer .ds-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.35rem;
}

.page-disclaimer .ds-clause {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .5rem 1rem;
  padding-bottom: 1.35rem;
  border-bottom: 1px dashed rgba(8, 24, 46, .2);
}

.page-disclaimer .ds-clause:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .ds-clause__num {
  display: grid;
  place-items: center;
  width: 2.1rem;
  height: 2.1rem;
  font-family: var(--yw-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--yw-yellow);
  background: var(--yw-deep);
  border-radius: 50%;
}

.page-disclaimer .ds-clause__title {
  margin: .3rem 0 .35rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--yw-deep);
}

.page-disclaimer .ds-clause__body p {
  margin: 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--yw-deep);
}

/* ---------- 纠错与举报 ---------- */

.page-disclaimer .ds-fix {
  position: relative;
  overflow: hidden;
  margin-top: clamp(3rem, 8vw, 5.5rem);
  padding: clamp(3rem, 8vw, 5.5rem) 0;
  color: var(--yw-white);
  background: var(--yw-deep);
}

.page-disclaimer .ds-fix::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -45%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 209, 209, .24), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .ds-fix__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .ds-fix__eyebrow .ds-idx {
  color: var(--yw-deep);
  background: var(--yw-cyan);
}

.page-disclaimer .ds-fix__title {
  color: var(--yw-white);
  text-shadow: 4px 4px 0 rgba(31, 209, 209, .3);
  margin-bottom: .75rem;
}

.page-disclaimer .ds-fix__lede {
  max-width: 56ch;
  margin: 0 0 1.75rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 242, 230, .82);
}

.page-disclaimer .ds-fix__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-disclaimer .ds-fix__card {
  padding: 1.15rem 1.25rem;
  background: rgba(246, 242, 230, .07);
  border: var(--ds-edge) solid rgba(246, 242, 230, .32);
  border-radius: 14px;
}

.page-disclaimer .ds-fix__card h3 {
  margin: 0 0 .5rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--yw-yellow);
}

.page-disclaimer .ds-fix__card p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(246, 242, 230, .85);
}

.page-disclaimer .ds-fix__cta {
  text-decoration: none;
}

/* ---------- 延伸阅读卡片 ---------- */

.page-disclaimer .ds-more {
  background: var(--yw-white);
  padding-top: clamp(2.75rem, 7vw, 4.5rem);
  padding-bottom: clamp(2.75rem, 7vw, 4.5rem);
}

.page-disclaimer .ds-more__links {
  display: grid;
  grid-template-columns: 1fr;
  gap: .85rem;
  margin-top: 1.5rem;
}

.page-disclaimer .ds-link-card {
  display: grid;
  gap: .35rem;
  padding: 1.1rem 1.25rem;
  color: var(--yw-deep);
  text-decoration: none;
  background: var(--yw-paper);
  border: var(--ds-edge) solid var(--yw-deep);
  border-radius: 14px;
  box-shadow: 4px 4px 0 rgba(8, 24, 46, .12);
  transition:
    transform var(--yw-dur) var(--yw-ease),
    box-shadow var(--yw-dur) var(--yw-ease);
}

.page-disclaimer .ds-link-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 8px 0 rgba(8, 24, 46, .16);
}

.page-disclaimer .ds-link-card:focus-visible {
  outline: 2px solid var(--yw-orange);
  outline-offset: 3px;
}

.page-disclaimer .ds-link-card__tag {
  font-family: var(--yw-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--yw-orange);
}

.page-disclaimer .ds-link-card__title {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.45;
}

.page-disclaimer .ds-link-card__desc {
  font-size: .92rem;
  line-height: 1.7;
  color: var(--yw-slate);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-disclaimer .ds-tabs__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .7rem;
  }

  .page-disclaimer .ds-more__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-disclaimer .ds-fix__cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

@media (min-width: 860px) {
  .page-disclaimer .ds-overview__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (max-width: 640px) {
  .page-disclaimer .ds-overview__figure {
    transform: none;
  }

  .page-disclaimer .ds-clause {
    grid-template-columns: 1fr;
    gap: .35rem;
  }

  .page-disclaimer .ds-clause__num {
    width: 1.7rem;
    height: 1.7rem;
    font-size: .74rem;
  }

  .page-disclaimer .ds-clause__title {
    margin-top: 0;
  }

  .page-disclaimer .ds-hero__title {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ds-tab,
  .page-disclaimer .ds-link-card {
    transition: none;
  }

  .page-disclaimer .ds-tab:hover,
  .page-disclaimer .ds-link-card:hover {
    transform: none;
  }
}