/* ===== 使用条款页面 · page-disclaimer ===== */
.page-disclaimer {
  --dc-line: rgba(18, 57, 94, .18);
  --dc-line-strong: rgba(18, 57, 94, .34);
  --dc-panel: #FFFDF8;
  background: var(--paper);
  color: var(--text-ink);
  overflow-x: hidden;
}

/* ---- 首屏框景 ---- */
.page-disclaimer .dc-hero {
  position: relative;
  padding: 0 0 2rem;
  background:
    radial-gradient(130% 120% at 8% -12%, #1b5a86 0%, rgba(27, 90, 134, 0) 55%),
    linear-gradient(165deg, #0d2a45 0%, var(--ink) 58%, #08131f 100%);
  overflow: hidden;
}

.page-disclaimer .dc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(111, 211, 232, .09) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(111, 211, 232, .06) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

.page-disclaimer .dc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dc-hero__crumbs {
  padding: .9rem 0 .5rem;
  color: rgba(255, 255, 255, .62);
}

.page-disclaimer .dc-hero__crumbs a {
  color: var(--glacier);
  text-decoration: none;
}

.page-disclaimer .dc-hero__crumbs a:hover,
.page-disclaimer .dc-hero__crumbs a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .dc-hero__frame {
  margin-top: .5rem;
  border-color: rgba(111, 211, 232, .32);
  background: rgba(255, 255, 255, .05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-disclaimer .dc-hero__inner {
  padding: clamp(1.25rem, 4.5vw, 2.5rem);
}

.page-disclaimer .dc-hero__tag {
  display: inline-block;
  margin: 0;
  color: var(--glacier);
  letter-spacing: .2em;
  font-size: .6875rem;
}

.page-disclaimer .dc-hero__title {
  margin: .85rem 0 .9rem;
  max-width: 24ch;
  font-size: clamp(1.7rem, 5.6vw, 2.85rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--flag-white);
}

.page-disclaimer .dc-hero__lead {
  margin: 0 0 1.5rem;
  max-width: 62ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, .8);
}

.page-disclaimer .dc-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  margin: 0;
  padding: 1rem 0 0;
  border-top: 1px dashed rgba(111, 211, 232, .3);
  list-style: none;
}

.page-disclaimer .dc-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: .6rem;
}

.page-disclaimer .dc-hero__meta-k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--glacier);
}

.page-disclaimer .dc-hero__meta-v {
  font-size: .875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, .78);
}

.page-disclaimer .dc-hero__visual {
  position: relative;
  z-index: 1;
  margin: 1.5rem 0 0;
  border: 1px solid rgba(111, 211, 232, .26);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .dc-hero__visual img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 280px);
  object-fit: cover;
}

/* ---- 条款索引条 ---- */
.page-disclaimer .dc-index {
  background: var(--paper-2);
  border-top: 1px solid var(--dc-line);
  border-bottom: 1px solid var(--dc-line);
}

.page-disclaimer .dc-index__list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: .75rem 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .dc-index__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .85rem;
  border: 1px solid var(--dc-line-strong);
  border-radius: var(--radius);
  color: var(--night);
  font-size: .8125rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .18s ease, background-color .18s ease, color .18s ease;
}

.page-disclaimer .dc-index__link:hover,
.page-disclaimer .dc-index__link:focus-visible {
  border-color: var(--glacier);
  background: rgba(111, 211, 232, .14);
}

.page-disclaimer .dc-index__num {
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--flag-blue);
}

/* ---- 条款区块 ---- */
.page-disclaimer .dc-clause {
  padding: clamp(2.25rem, 6vw, 4rem) 0;
  border-top: 1px solid var(--dc-line);
}

.page-disclaimer .dc-clause__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin-bottom: .8rem;
}

.page-disclaimer .dc-clause__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: rgba(46, 111, 191, .4);
}

.page-disclaimer .dc-clause__title {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--night);
}

.page-disclaimer .dc-clause__lead {
  margin: 0 0 1.75rem;
  max-width: 68ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-disclaimer .dc-link {
  color: var(--flag-blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-disclaimer .dc-link:hover,
.page-disclaimer .dc-link:focus-visible {
  color: var(--night);
}

/* ---- 条款要点卡 ---- */
.page-disclaimer .dc-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: .875rem;
}

.page-disclaimer .dc-point {
  padding: 1rem 1.05rem;
  border: 1px solid var(--dc-line);
  border-left: 3px solid var(--glacier);
  border-radius: var(--radius);
  background: var(--dc-panel);
  box-shadow: var(--shadow-1);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.page-disclaimer .dc-point:hover {
  transform: translateY(-2px);
  border-color: rgba(111, 211, 232, .55);
  border-left-color: var(--flag-blue);
  box-shadow: var(--shadow-2);
}

.page-disclaimer .dc-point__title {
  margin: 0 0 .45rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--night);
}

.page-disclaimer .dc-point__body {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---- 深色条款区块 ---- */
.page-disclaimer .dc-clause--dark {
  background: linear-gradient(160deg, var(--night) 0%, #0e2b47 58%, var(--ink) 100%);
  border-top-color: rgba(111, 211, 232, .22);
}

.page-disclaimer .dc-clause--dark .dc-clause__num {
  color: rgba(111, 211, 232, .6);
}

.page-disclaimer .dc-clause--dark .dc-clause__title {
  color: var(--flag-white);
}

.page-disclaimer .dc-clause--dark .dc-clause__lead {
  color: rgba(255, 255, 255, .74);
}

.page-disclaimer .dc-clause--dark .dc-point {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(111, 211, 232, .22);
  border-left-color: var(--glacier);
  box-shadow: none;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-disclaimer .dc-clause--dark .dc-point:hover {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(111, 211, 232, .5);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .3);
}

.page-disclaimer .dc-clause--dark .dc-point__title {
  color: var(--flag-white);
}

.page-disclaimer .dc-clause--dark .dc-point__body {
  color: rgba(255, 255, 255, .72);
}

.page-disclaimer .dc-clause--dark .dc-link {
  color: var(--glacier);
}

.page-disclaimer .dc-clause--dark .dc-link:hover,
.page-disclaimer .dc-clause--dark .dc-link:focus-visible {
  color: var(--flag-white);
}

/* ---- 数据指标条 ---- */
.page-disclaimer .dc-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--dc-line);
  background: var(--dc-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-disclaimer .dc-figure {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: .9rem .8rem;
  background: var(--dc-panel);
  border-top: 3px solid transparent;
}

.page-disclaimer .dc-figure:nth-child(1) { border-top-color: var(--flag-blue); }
.page-disclaimer .dc-figure:nth-child(2) { border-top-color: var(--flag-green); }
.page-disclaimer .dc-figure:nth-child(3) { border-top-color: var(--flag-yellow); }
.page-disclaimer .dc-figure:nth-child(4) { border-top-color: var(--flag-red); }

.page-disclaimer .dc-figure__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--night);
}

.page-disclaimer .dc-figure__k {
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--slate);
}

/* ---- 折叠说明 ---- */
.page-disclaimer .dc-accordion {
  display: grid;
  gap: .5rem;
}

.page-disclaimer .dc-accordion .accordion__trigger {
  font-size: .9375rem;
  font-weight: 700;
  color: var(--night);
}

.page-disclaimer .dc-accordion .accordion__panel p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---- 联系面板 ---- */
.page-disclaimer .dc-contact {
  position: relative;
  margin-top: 1.5rem;
  padding: 1.25rem;
  border: 1px solid rgba(111, 211, 232, .26);
  border-left: 4px solid var(--glacier);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--ink) 0%, #10314f 100%);
}

.page-disclaimer .dc-contact__title {
  margin: 0 0 1.1rem;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--flag-white);
}

.page-disclaimer .dc-contact__list {
  display: grid;
  gap: .25rem;
}

.page-disclaimer .dc-contact__row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .2rem .75rem;
  padding-bottom: .7rem;
  border-bottom: 1px dashed rgba(111, 211, 232, .2);
}

.page-disclaimer .dc-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-disclaimer .dc-contact__k {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--glacier);
}

.page-disclaimer .dc-contact__v {
  font-size: .9375rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, .88);
  word-break: break-word;
}

.page-disclaimer .dc-copy {
  justify-self: end;
  padding: .35rem .6rem;
  border: 1px solid rgba(111, 211, 232, .55);
  border-radius: var(--radius);
  background: transparent;
  color: var(--glacier);
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-disclaimer .dc-copy:hover,
.page-disclaimer .dc-copy:focus-visible {
  background: var(--glacier);
  border-color: var(--glacier);
  color: var(--ink);
}

.page-disclaimer .dc-contact__note {
  margin: 1.25rem 0 1rem;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .68);
}

.page-disclaimer .dc-contact .dc-link {
  color: var(--glacier);
}

.page-disclaimer .dc-contact .dc-link:hover,
.page-disclaimer .dc-contact .dc-link:focus-visible {
  color: var(--flag-white);
}

.page-disclaimer .dc-contact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ---- 响应式 ---- */
@media (min-width: 640px) {
  .page-disclaimer .dc-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-disclaimer .dc-hero__meta li {
    flex-direction: column;
    gap: .3rem;
  }

  .page-disclaimer .dc-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-disclaimer .dc-contact {
    padding: 1.75rem;
  }

  .page-disclaimer .dc-contact__row {
    gap: .2rem 1.25rem;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .dc-hero {
    padding-bottom: 2.5rem;
  }

  .page-disclaimer .dc-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-disclaimer .dc-clause__head {
    gap: 1rem;
  }

  .page-disclaimer .dc-clause__num {
    font-size: 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dc-point,
  .page-disclaimer .dc-copy,
  .page-disclaimer .dc-index__link {
    transition: none;
  }

  .page-disclaimer .dc-point:hover {
    transform: none;
  }
}