.page-disclaimer {
  --spec-gap: clamp(16px, 2.2vw, 26px);
  --spec-pad: clamp(16px, 2.4vw, 26px);
  --spec-accent: var(--cyan);
  position: relative;
  color: var(--text);
  padding-bottom: clamp(56px, 9vw, 120px);
}

/* 首屏 */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 3vw, 28px) 0 clamp(28px, 4.5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 120% at 6% -12%, rgba(37, 227, 212, 0.16), transparent 58%),
    radial-gradient(90% 110% at 98% 0%, rgba(255, 62, 156, 0.12), transparent 62%),
    linear-gradient(180deg, var(--zone-record) 0%, rgba(11, 14, 36, 0) 84%);
}

.page-disclaimer .usage-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 46px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-disclaimer .usage-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.4vw, 54px);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.14;
}

.page-disclaimer .usage-hero .lede {
  margin: 16px 0 0;
  max-width: 64ch;
  color: var(--dim);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
}

.page-disclaimer .usage-hero__hint {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-disclaimer .usage-hero__media {
  position: relative;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raise-2);
}

.page-disclaimer .usage-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .usage-hero__media .media__label {
  position: absolute;
  left: 12px;
  bottom: 10px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 30, 0.78);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

/* 顶部提示带 */
.page-disclaimer .notice-band {
  margin-top: clamp(26px, 4vw, 46px);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(240, 178, 60, 0.1), rgba(240, 178, 60, 0.02));
}

.page-disclaimer .notice-band__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 14px var(--spec-pad);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .notice-band__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .notice-band__summary::after {
  content: "收起";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.page-disclaimer .notice-band:not([open]) .notice-band__summary::after {
  content: "展开";
}

.page-disclaimer .notice-band__tag {
  padding: 2px 8px;
  border: 1px solid rgba(240, 178, 60, 0.55);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-disclaimer .notice-band__lead {
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 700;
  line-height: 1.5;
}

.page-disclaimer .notice-band__body {
  padding: 0 var(--spec-pad) 18px;
  border-top: 1px solid rgba(240, 178, 60, 0.28);
}

.page-disclaimer .notice-band__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px 26px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .notice-band__list li {
  position: relative;
  padding-left: 16px;
  color: var(--dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-disclaimer .notice-band__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 1px;
  background: var(--gold);
}

/* 章节 */
.page-disclaimer .spec-section {
  --spec-accent: var(--cyan);
  padding-top: clamp(38px, 6vw, 76px);
}

.page-disclaimer .spec-section--account {
  --spec-accent: var(--gold);
}

.page-disclaimer .spec-section--quoting {
  --spec-accent: var(--magenta);
}

.page-disclaimer .spec-section--cases {
  --spec-accent: var(--cyan);
}

.page-disclaimer .spec-section--updates {
  --spec-accent: var(--gold);
}

.page-disclaimer .spec-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .spec-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 64px;
  height: 2px;
  background: var(--spec-accent);
}

.page-disclaimer .spec-head__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--spec-accent);
}

.page-disclaimer .spec-head__title {
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.22;
}

.page-disclaimer .spec-head__note {
  margin: 0 0 0 auto;
  font-size: 13px;
  color: var(--dim);
}

/* 展签卡片 */
.page-disclaimer .spec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spec-gap);
}

.page-disclaimer .spec-card {
  position: relative;
  display: block;
  padding: var(--spec-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--raise);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-disclaimer .spec-card::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--spec-accent);
  transition: width 0.24s ease;
}

.page-disclaimer .spec-card:hover,
.page-disclaimer .spec-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--spec-accent);
  box-shadow: 0 12px 28px rgba(4, 6, 18, 0.55);
}

.page-disclaimer .spec-card:hover::after,
.page-disclaimer .spec-card:focus-within::after {
  width: 52%;
}

.page-disclaimer .spec-card__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--spec-accent);
}

.page-disclaimer .spec-card__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
}

.page-disclaimer .spec-card__body {
  margin: 0;
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
}

.page-disclaimer .spec-card .link {
  color: var(--spec-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 底部流程 */
.page-disclaimer .usage-flow {
  margin-top: clamp(44px, 7vw, 92px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.page-disclaimer .usage-flow__title {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-disclaimer .flow-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--line);
}

.page-disclaimer .flow-list__item {
  padding: var(--spec-pad);
  background: var(--raise-2);
  transition: background-color 0.18s ease;
}

.page-disclaimer .flow-list__item:hover {
  background: var(--raise);
}

.page-disclaimer .flow-list__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-disclaimer .flow-list__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
}

.page-disclaimer .flow-list__body {
  margin: 0;
  color: var(--dim);
  font-size: 14px;
  line-height: 1.75;
}

.page-disclaimer .flow-list__body .link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 700px) {
  .page-disclaimer .notice-band__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-disclaimer .spec-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-bottom: 26px;
  }

  .page-disclaimer .spec-grid > .spec-card:nth-child(even) {
    margin-top: 26px;
  }

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

@media (min-width: 960px) {
  .page-disclaimer .usage-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}