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

.page-disclaimer .label {
  margin: 0;
}

.page-disclaimer [id] {
  scroll-margin-top: 104px;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .ds-hero {
  position: relative;
  padding: 28px 0 46px;
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.page-disclaimer .ds-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 150%;
  background:
    radial-gradient(56% 50% at 86% 10%, rgba(53, 230, 208, 0.16), transparent 66%),
    radial-gradient(50% 46% at 3% 88%, rgba(162, 75, 255, 0.15), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-disclaimer .ds-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .breadcrumb a {
  color: var(--c-steel);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-disclaimer .breadcrumb a:hover {
  color: var(--c-cyan);
}

.page-disclaimer .ds-hero-grid {
  display: grid;
  gap: 24px;
  margin-top: 20px;
}

.page-disclaimer .ds-hero-copy .label {
  color: var(--c-cyan);
}

.page-disclaimer .ds-hero-copy h1 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 8vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-disclaimer .ds-lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-steel);
}

.page-disclaimer .ds-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-disclaimer .ds-quick a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill);
  background: rgba(18, 41, 74, 0.72);
  color: var(--c-white);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-disclaimer .ds-quick a:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-disclaimer .ds-quick b {
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-disclaimer .ds-hero-media {
  margin: 0;
  aspect-ratio: 16 / 11;
}

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

.page-disclaimer .ds-summary {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  background: var(--hairline);
  overflow: hidden;
}

.page-disclaimer .ds-summary-item {
  padding: 18px 20px 20px;
  background: linear-gradient(180deg, #12294a 0%, #0d1c33 100%);
}

.page-disclaimer .ds-summary-key {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-disclaimer .ds-summary-val {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-steel);
}

/* ---------- 条款区 ---------- */

.page-disclaimer .ds-clauses {
  position: relative;
  padding: 50px 0 68px;
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-disclaimer .ds-clauses::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-orange) 48%, var(--c-magenta));
}

.page-disclaimer .ds-clauses-head {
  max-width: 44em;
}

.page-disclaimer .ds-clauses-head .label {
  color: #5c6f8a;
}

.page-disclaimer .ds-clauses-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(26px, 5.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-disclaimer .ds-clauses-sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: #4a5f7d;
}

.page-disclaimer .ds-clause {
  display: grid;
  gap: 8px;
  padding: 26px 0;
  border-top: 1px solid rgba(11, 27, 51, 0.16);
}

.page-disclaimer .ds-clause:first-of-type {
  margin-top: 34px;
}

.page-disclaimer .ds-clause-num {
  margin: 0;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--c-orange);
}

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

.page-disclaimer .ds-clause-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-disclaimer .ds-clause-body > p {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: #2f445f;
}

.page-disclaimer .ds-clause-body > p a {
  color: #0e6b62;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .ds-clause-body > p a:hover {
  color: var(--c-ink);
}

.page-disclaimer .ds-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-disclaimer .ds-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid rgba(11, 27, 51, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.55);
}

.page-disclaimer .ds-fact b {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-disclaimer .ds-fact span {
  font-size: 12px;
  color: #5c6f8a;
}

.page-disclaimer .ds-note {
  margin-top: 18px;
  max-width: 62ch;
  padding: 13px 16px 14px;
  border-left: 3px solid var(--c-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(53, 230, 208, 0.13);
  font-size: 14px;
  line-height: 1.8;
  color: #2f445f;
}

.page-disclaimer .ds-note strong {
  color: var(--c-ink);
  font-weight: 700;
}

.page-disclaimer .ds-note a {
  color: #0e6b62;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .ds-note--violet {
  border-left-color: var(--c-violet);
  background: rgba(162, 75, 255, 0.11);
}

.page-disclaimer .ds-sync-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 18px;
  max-width: 62ch;
  padding: 14px 16px;
  border: 1px solid rgba(162, 75, 255, 0.36);
  border-radius: var(--radius-md);
  background: rgba(162, 75, 255, 0.08);
}

.page-disclaimer .ds-sync-inline .tag {
  border-color: rgba(162, 75, 255, 0.55);
  background: rgba(162, 75, 255, 0.16);
  color: #7420c4;
  font-weight: 600;
}

.page-disclaimer .ds-sync-inline p {
  margin: 0;
  flex: 1 1 220px;
  font-size: 14px;
  line-height: 1.75;
  color: #2f445f;
}

.page-disclaimer .ds-sync-inline .sync-bar {
  flex: 1 1 100%;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-pill);
}

.page-disclaimer .ds-more {
  margin-top: 18px;
  max-width: 62ch;
  padding: 12px 16px;
  border: 1px dashed rgba(11, 27, 51, 0.26);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
}

.page-disclaimer .ds-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-ink);
}

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

.page-disclaimer .ds-more summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 14px;
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-orange);
}

.page-disclaimer .ds-more[open] summary::before {
  content: "–";
}

.page-disclaimer .ds-more p {
  margin: 12px 0 2px;
  font-size: 14px;
  line-height: 1.8;
  color: #3a4c66;
}

/* ---------- 后续入口 ---------- */

.page-disclaimer .ds-next {
  padding: 48px 0 60px;
  background: var(--c-night);
  border-top: 1px solid var(--hairline);
}

.page-disclaimer .ds-next-head .label {
  color: var(--c-cyan);
}

.page-disclaimer .ds-next-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-disclaimer .ds-next-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-disclaimer .ds-next-card {
  position: relative;
  display: block;
  padding: 20px 20px 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #12294a, #0c1a30);
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-disclaimer .ds-next-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--c-white);
}

.page-disclaimer .ds-next-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-steel);
}

.page-disclaimer .ds-next-card::after {
  content: "→";
  position: absolute;
  right: 20px;
  bottom: 18px;
  font-family: var(--font-data);
  color: var(--c-cyan);
  opacity: 0.75;
  transition: transform 0.24s var(--ease);
}

.page-disclaimer .ds-next-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-cyan);
}

.page-disclaimer .ds-next-card:hover::after {
  transform: translateX(4px);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .ds-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-disclaimer .ds-next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .ds-clause {
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 36px;
    padding: 34px 0;
    align-items: start;
  }

  .page-disclaimer .ds-clause-num {
    font-size: 30px;
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .ds-hero {
    padding: 34px 0 54px;
  }

  .page-disclaimer .ds-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 52px;
    align-items: center;
    margin-top: 26px;
  }

  .page-disclaimer .ds-hero-media {
    aspect-ratio: 1400 / 600;
  }
}

@media (min-width: 1120px) {
  .page-disclaimer .ds-summary {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-disclaimer .ds-hero {
    padding: 22px 0 38px;
  }

  .page-disclaimer .ds-quick a {
    padding: 8px 11px;
    font-size: 12px;
  }

  .page-disclaimer .ds-clauses {
    padding: 40px 0 52px;
  }

  .page-disclaimer .ds-clause {
    padding: 22px 0;
  }

  .page-disclaimer .ds-next {
    padding: 38px 0 46px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .ds-quick a,
  .page-disclaimer .ds-next-card,
  .page-disclaimer .ds-next-card::after,
  .page-disclaimer .breadcrumb a {
    transition: none;
  }

  .page-disclaimer .ds-quick a:hover,
  .page-disclaimer .ds-next-card:hover {
    transform: none;
  }

  .page-disclaimer .ds-next-card:hover::after {
    transform: none;
  }
}