.page-disclaimer {
  --dc-index-w: 216px;
  --dc-rule: var(--grid-line);
  background: var(--ink);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */

.page-disclaimer .dc-hero {
  position: relative;
  padding: clamp(28px, 4vw, 56px) 0 clamp(32px, 5vw, 64px);
  overflow: hidden;
  isolation: isolate;
}

.page-disclaimer .dc-hero__mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--dc-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--dc-rule) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.45;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 88%);
  pointer-events: none;
}

.page-disclaimer .dc-hero__glow {
  position: absolute;
  top: -30%;
  right: -12%;
  z-index: 0;
  width: min(760px, 92vw);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 68% 32%, rgba(var(--signal-rgb), 0.22), transparent 62%),
    radial-gradient(circle at 26% 72%, rgba(var(--accent-rgb), 0.14), transparent 60%);
  pointer-events: none;
}

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

.page-disclaimer .dc-hero h1 {
  max-width: 18ch;
  margin: 18px 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 64px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-disclaimer .dc-hero__lead {
  max-width: var(--read);
  margin: 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .dc-hero__angle {
  display: none;
  position: absolute;
  right: 3%;
  bottom: 12%;
  width: 240px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal));
  transform: rotate(-12deg);
  transform-origin: right center;
  opacity: 0.75;
  pointer-events: none;
}

.page-disclaimer .dc-hero__figure {
  position: relative;
  z-index: 1;
  margin: clamp(28px, 4vw, 48px) 0 0;
}

.page-disclaimer .dc-hero__media {
  aspect-ratio: 14 / 9;
  overflow: hidden;
  border: 1px solid var(--dc-rule);
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.10), transparent 52%),
    linear-gradient(315deg, rgba(var(--signal-rgb), 0.14), transparent 58%),
    var(--ink-2);
}

.page-disclaimer .dc-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.86;
}

.page-disclaimer .img-frame__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 主体：索引 + 条款 ---------- */

.page-disclaimer .dc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(40px, 6vw, 88px);
}

.page-disclaimer .dc-index__title {
  margin: 0 0 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-disclaimer .dc-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 4px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--dc-rule);
  padding-top: 12px;
}

.page-disclaimer .dc-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background-color var(--dur-1) var(--ease);
}

.page-disclaimer .dc-index__link span {
  color: var(--signal);
}

.page-disclaimer .dc-index__link:hover,
.page-disclaimer .dc-index__link:focus-visible {
  color: var(--accent);
  border-left-color: var(--signal);
  background: rgba(var(--accent-rgb), 0.06);
  outline: none;
}

.page-disclaimer .dc-clause {
  padding: clamp(26px, 3.6vw, 44px) 0;
  border-top: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-clause:first-child {
  border-top-color: var(--signal);
}

.page-disclaimer .dc-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-disclaimer .dc-clause__num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.page-disclaimer .dc-clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.18;
  color: var(--text);
}

.page-disclaimer .dc-clause__text {
  max-width: var(--read);
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

.page-disclaimer .dc-clause__text:last-child {
  margin-bottom: 0;
}

/* 规格清单 */

.page-disclaimer .dc-spec {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  max-width: 960px;
}

.page-disclaimer .dc-spec li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-spec__key {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-disclaimer .dc-spec__val {
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

/* 条列责任 */

.page-disclaimer .dc-rules {
  max-width: var(--read);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dc-rules li {
  position: relative;
  padding: 10px 0 10px 22px;
  border-bottom: 1px solid var(--dc-rule);
  font-size: 16px;
  line-height: 1.72;
  color: var(--text);
}

.page-disclaimer .dc-rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 1px;
  background: var(--signal);
}

/* 提示块 */

.page-disclaimer .dc-note {
  max-width: var(--read);
  margin: 20px 0;
  padding: 18px 20px;
  background: var(--plate-bg);
  border-left: 3px solid var(--signal);
}

.page-disclaimer .dc-note--legacy {
  border-left-color: var(--legacy);
  background: rgba(142, 42, 53, 0.16);
}

.page-disclaimer .dc-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer .dc-note p + p {
  margin-top: 8px;
}

.page-disclaimer .dc-note .plate {
  color: var(--yellow);
}

/* 可展开条款 */

.page-disclaimer .dc-expand {
  max-width: var(--read);
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--dc-rule);
}

.page-disclaimer .dc-expand .expand__trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-align: left;
  transition: color var(--dur-1) var(--ease);
}

.page-disclaimer .dc-expand .expand__trigger::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--signal);
}

.page-disclaimer .dc-expand[data-open="true"] .expand__trigger::after {
  content: "－";
}

.page-disclaimer .dc-expand .expand__trigger:hover,
.page-disclaimer .dc-expand .expand__trigger:focus-visible {
  color: var(--accent-soft);
  outline: none;
}

.page-disclaimer .dc-expand .expand__panel {
  overflow: hidden;
  transition: height var(--dur-3) var(--ease), opacity var(--dur-2) var(--ease);
}

.page-disclaimer .dc-expand[data-open="false"] .expand__panel {
  display: none;
}

.page-disclaimer .dc-expand .expand__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 联系方式 ---------- */

.page-disclaimer .dc-contact {
  margin-top: clamp(48px, 7vw, 96px);
}

.page-disclaimer .dc-contact__title {
  margin: 16px 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.16;
  color: var(--text);
}

.page-disclaimer .dc-contact__lead {
  max-width: var(--read);
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.72;
  color: var(--muted);
}

.page-disclaimer .dc-contact__box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  max-width: 760px;
  padding: 18px 20px;
  border: 1px solid var(--dc-rule);
  background: rgba(10, 15, 26, 0.55);
}

.page-disclaimer .dc-contact__box .contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: baseline;
}

.page-disclaimer .dc-contact__box .contact-line__key {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-disclaimer .dc-contact__box .contact-line__value {
  font-family: var(--font-mono);
  font-size: 15px;
  word-break: break-all;
  color: var(--accent);
}

.page-disclaimer .dc-contact__box .copy-btn {
  justify-self: start;
}

.page-disclaimer .dc-contact__note {
  max-width: var(--read);
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-disclaimer .dc-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .dc-spec li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-disclaimer .dc-contact__box {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
  }

  .page-disclaimer .dc-hero__angle {
    display: block;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dc-layout {
    grid-template-columns: var(--dc-index-w) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
  }

  .page-disclaimer .dc-index__inner {
    position: sticky;
    top: 132px;
  }

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

  .page-disclaimer .dc-index__link {
    padding: 9px 12px;
  }
}

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