.page-disclaimer {
  --disc-panel: #0C2B21;
  --disc-rule: #2C4A40;
  --disc-body: #DCE7E1;
  --disc-ink: #22342C;
  background: var(--ink-900);
  color: var(--sand);
}

/* 顶部说明区 */
.page-disclaimer .disc-hero {
  padding: clamp(22px, 4vw, 42px) 0 clamp(26px, 4vw, 46px);
  background:
    radial-gradient(130% 100% at 88% -20%, rgba(92, 242, 208, 0.13), transparent 58%),
    linear-gradient(180deg, #0C2B21 0%, #061A14 100%);
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-disclaimer .disc-hero__copy {
  max-width: 780px;
}

.page-disclaimer .disc-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--sand);
  overflow-wrap: break-word;
}

.page-disclaimer .disc-hero__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.78;
  color: var(--disc-body);
}

.page-disclaimer .disc-hero__points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-disclaimer .disc-hero__points li {
  padding-left: 12px;
  border-left: 1px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-disclaimer .disc-hero__media {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  border: 1px solid var(--disc-rule);
  background: var(--disc-panel);
}

.page-disclaimer .disc-hero__media .media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-disclaimer .disc-hero__media .media__caption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
  border-top: 1px solid var(--disc-rule);
}

/* 正文连续画布 */
.page-disclaimer .disc-body {
  padding: clamp(28px, 4.6vw, 62px) 0 clamp(40px, 6vw, 82px);
}

.page-disclaimer .disc-layout {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

/* 目录 */
.page-disclaimer .disc-toc {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-toc .eyebrow {
  margin: 0;
  color: var(--mist);
}

.page-disclaimer .disc-toc__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 14px;
  gap: 2px;
}

.page-disclaimer .disc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 0;
  font-size: 13.5px;
  line-height: 1.3;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-disclaimer .disc-toc__link:hover,
.page-disclaimer .disc-toc__link:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .disc-toc__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(155, 184, 173, 0.7);
}

/* 章节 */
.page-disclaimer .disc-chapters {
  min-width: 0;
}

.page-disclaimer .disc-chapter {
  padding: clamp(20px, 3vw, 30px) 0;
  border-top: 1px solid var(--disc-rule);
  scroll-margin-top: 28px;
}

.page-disclaimer .disc-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .disc-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}

.page-disclaimer .disc-chapter__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-disclaimer .disc-chapter h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.5vw, 26px);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--sand);
  overflow-wrap: break-word;
}

.page-disclaimer .disc-chapter p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--disc-body);
}

.page-disclaimer .disc-chapter p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .disc-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  max-width: 68ch;
}

.page-disclaimer .disc-list li {
  position: relative;
  padding-left: 19px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--disc-body);
}

.page-disclaimer .disc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* 数字条 */
.page-disclaimer .disc-stats {
  list-style: none;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--disc-rule);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-disclaimer .disc-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 25px);
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: -0.01em;
}

.page-disclaimer .disc-stats__label {
  display: block;
  margin-top: 5px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--mist);
}

/* 设备线框 */
.page-disclaimer .disc-devices {
  margin: 18px 0 0;
  display: grid;
  gap: 1px;
  background: var(--disc-rule);
  border: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-devices__item {
  padding: 18px;
  background: var(--ink-700);
}

.page-disclaimer .disc-devices__icon {
  display: block;
  width: 44px;
  height: 34px;
  margin-bottom: 10px;
  color: var(--cyan);
}

.page-disclaimer .disc-devices__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-disclaimer .disc-devices__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--disc-body);
}

/* 折叠说明：原生 details，脚本缺席也可读 */
.page-disclaimer .disc-faq {
  margin-top: 18px;
  border-top: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-faq:last-of-type {
  border-bottom: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-faq__summary {
  position: relative;
  padding: 14px 34px 14px 0;
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--sand);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .disc-faq__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .disc-faq__summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

.page-disclaimer .disc-faq[open] .disc-faq__summary::after {
  content: "−";
}

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

.page-disclaimer .disc-faq__body {
  margin: 0 0 16px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--disc-body);
}

/* 责任范围：浅砂色章节 */
.page-disclaimer .disc-chapter--sand {
  border-top: 0;
  background: var(--sand);
  color: var(--disc-ink);
  padding: clamp(20px, 3vw, 32px);
  margin: clamp(12px, 2vw, 22px) 0;
}

.page-disclaimer .disc-chapter--sand .disc-chapter__num {
  color: var(--wine);
}

.page-disclaimer .disc-chapter--sand h2 {
  color: var(--ink-900);
}

.page-disclaimer .disc-chapter--sand p {
  color: var(--disc-ink);
}

.page-disclaimer .disc-chapter--sand .disc-list li {
  color: var(--disc-ink);
}

.page-disclaimer .disc-chapter--sand .disc-list li::before {
  background: var(--wine);
}

/* 联系与页尾 */
.page-disclaimer .disc-contact {
  margin: 16px 0 12px;
  padding: 16px 18px;
  display: grid;
  gap: 12px;
  background: rgba(12, 43, 33, 0.62);
  border: 1px solid var(--disc-rule);
}

.page-disclaimer .disc-contact__mail,
.page-disclaimer .disc-contact__tel {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.4;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(92, 242, 208, 0.4);
  padding-bottom: 2px;
  justify-self: start;
  overflow-wrap: anywhere;
  transition: border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-contact__mail:hover,
.page-disclaimer .disc-contact__tel:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-contact__note {
  margin: 0 0 18px;
  max-width: 60ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .disc-links {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--disc-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
}

.page-disclaimer .disc-links a {
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .disc-links a:hover,
.page-disclaimer .disc-links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .disc-meta {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(155, 184, 173, 0.75);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-disclaimer .disc-hero__points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-disclaimer .disc-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-disclaimer .disc-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 14px 24px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.6vw, 52px);
  }

  .page-disclaimer .disc-toc {
    position: sticky;
    top: 26px;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: 1px solid var(--disc-rule);
  }

  .page-disclaimer .disc-toc__list {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }

  .page-disclaimer .disc-chapter__head {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .disc-toc__link,
  .page-disclaimer .disc-contact__mail,
  .page-disclaimer .disc-contact__tel,
  .page-disclaimer .disc-links a {
    transition: none;
  }
}