.page-disclaimer {
  --d-line: rgba(143, 163, 200, 0.22);
  --d-line-strong: rgba(143, 163, 200, 0.42);
  --accent: var(--cyan);
  --accent-soft: rgba(53, 240, 224, 0.28);
  color: var(--white);
  background: var(--ink);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-disclaimer .usage-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 42px) 0 clamp(30px, 5vw, 54px);
  border-bottom: 1px solid var(--d-line);
}

.page-disclaimer .usage-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .usage-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-disclaimer .usage-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 80% 16%, rgba(53, 240, 224, 0.16), transparent 52%),
    linear-gradient(165deg, rgba(7, 11, 26, 0.58) 0%, rgba(7, 11, 26, 0.9) 56%, var(--ink) 100%);
}

.page-disclaimer .usage-hero-inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .usage-hero .breadcrumb {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-disclaimer .usage-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

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

.page-disclaimer .usage-hero .eyebrow {
  margin: 22px 0 0;
  color: var(--gold);
}

.page-disclaimer .usage-hero h1 {
  margin: 12px 0 0;
  max-width: 17ch;
  font-size: clamp(30px, 7.4vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(53, 240, 224, 0.3);
}

.page-disclaimer .usage-hero .lead {
  margin: 18px 0 0;
  max-width: 640px;
  font-size: clamp(15.5px, 1.9vw, 17.5px);
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 四格标签 ============ */
.page-disclaimer .usage-jump {
  padding: clamp(22px, 4vw, 36px) 0 clamp(10px, 2vw, 18px);
}

.page-disclaimer .jump-grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-disclaimer .jump-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 112px;
  padding: 15px 13px 17px;
  background: var(--felt);
  border: 1px solid var(--d-line);
  border-bottom: 3px solid var(--jc, var(--cyan));
  border-radius: 8px;
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.page-disclaimer .jump-card:hover,
.page-disclaimer .jump-card:focus-visible {
  transform: translateY(-3px);
  background: var(--edge);
  box-shadow: 0 18px 32px -22px rgba(0, 0, 0, 0.95);
}

.page-disclaimer .jc-cyan { --jc: var(--cyan); }
.page-disclaimer .jc-rose { --jc: var(--rose); }
.page-disclaimer .jc-violet { --jc: var(--violet); }
.page-disclaimer .jc-gold { --jc: var(--gold); }

.page-disclaimer .jump-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--jc, var(--cyan));
}

.page-disclaimer .jump-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-disclaimer .jump-note {
  margin-top: auto;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ============ 分区通用 ============ */
.page-disclaimer .usage-block {
  padding: clamp(34px, 6vw, 66px) 0;
  border-top: 1px solid var(--d-line);
  scroll-margin-top: 90px;
}

.page-disclaimer .usage-account {
  --accent: var(--cyan);
  --accent-soft: rgba(53, 240, 224, 0.28);
}

.page-disclaimer .usage-rooms {
  --accent: var(--rose);
  --accent-soft: rgba(255, 62, 142, 0.3);
}

.page-disclaimer .usage-content {
  --accent: var(--violet);
  --accent-soft: rgba(139, 92, 246, 0.34);
}

.page-disclaimer .usage-version {
  --accent: var(--gold);
  --accent-soft: rgba(255, 194, 75, 0.3);
}

.page-disclaimer .usage-exceptions {
  --accent: var(--green);
  --accent-soft: rgba(47, 224, 138, 0.28);
}

.page-disclaimer .usage-updated {
  --accent: var(--mist);
  --accent-soft: rgba(143, 163, 200, 0.3);
}

.page-disclaimer .block-head {
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  margin-bottom: 22px;
}

.page-disclaimer .block-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.26em;
  color: var(--accent);
}

.page-disclaimer .block-head h2 {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-disclaimer .block-claim {
  margin: 12px 0 0;
  font-size: clamp(16.5px, 2.2vw, 20px);
  font-weight: 900;
  line-height: 1.55;
  letter-spacing: -0.005em;
  color: var(--white);
  text-shadow: 0 0 14px var(--accent-soft);
}

.page-disclaimer .block-body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .block-body a:hover,
.page-disclaimer .block-body a:focus-visible {
  color: var(--white);
}

/* ============ 条款列表 ============ */
.page-disclaimer .clause-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--d-line);
}

.page-disclaimer .clause {
  padding: 17px 0;
  border-top: 1px solid var(--d-line);
}

.page-disclaimer .clause-key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--accent);
}

.page-disclaimer .clause h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
}

.page-disclaimer .clause p {
  margin: 0;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 折叠面板 ============ */
.page-disclaimer .usage-acc {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-disclaimer .usage-acc .acc {
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  overflow: hidden;
}

.page-disclaimer .usage-acc .acc-index {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--accent);
}

.page-disclaimer .usage-acc .acc-panel-inner p {
  margin: 0;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 处理路径 ============ */
.page-disclaimer .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-bottom: 1px solid var(--d-line);
}

.page-disclaimer .step {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--d-line);
}

.page-disclaimer .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--pill);
  background: var(--accent);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-disclaimer .step h3 {
  margin: 2px 0 6px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
}

.page-disclaimer .step p {
  margin: 0;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ============ 更新说明 ============ */
.page-disclaimer .update-note {
  padding: clamp(18px, 3.4vw, 28px);
  background: var(--felt);
  border: 1px solid var(--d-line-strong);
  border-left: 4px solid var(--accent);
}

.page-disclaimer .update-note p {
  margin: 0 0 12px;
  max-width: 660px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-disclaimer .update-note p:last-child {
  margin-bottom: 0;
}

/* ============ 收束刻度 ============ */
.page-disclaimer .usage-scale {
  position: relative;
  height: 28px;
  margin: clamp(24px, 5vw, 42px) 0 clamp(30px, 5vw, 52px);
  border-top: 1px solid var(--d-line-strong);
  background-image: repeating-linear-gradient(
    to right,
    var(--d-line) 0 1px,
    transparent 1px 26px
  );
}

.page-disclaimer .usage-scale::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: min(26%, 180px);
  height: 3px;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(53, 240, 224, 0.55);
}

/* ============ 平板 ============ */
@media (min-width: 720px) {
  .page-disclaimer .jump-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .jump-card {
    min-height: 124px;
    padding: 17px 15px 19px;
  }
}

/* ============ 桌面双栏 ============ */
@media (min-width: 900px) {
  .page-disclaimer .usage-block .wrap {
    display: grid;
    grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
    column-gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }

  .page-disclaimer .block-head {
    margin-bottom: 0;
  }

  .page-disclaimer .usage-updated .block-body {
    padding-top: 4px;
  }
}

/* ============ 窄屏收敛 ============ */
@media (max-width: 560px) {
  .page-disclaimer .jump-grid {
    gap: 10px;
  }

  .page-disclaimer .jump-card {
    min-height: 104px;
    padding: 13px 12px 15px;
  }

  .page-disclaimer .jump-name {
    font-size: 15px;
  }

  .page-disclaimer .jump-note {
    font-size: 11.5px;
  }

  .page-disclaimer .step {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 10px;
  }

  .page-disclaimer .step-num {
    width: 26px;
    height: 26px;
    font-size: 11.5px;
  }

  .page-disclaimer .clause h3,
  .page-disclaimer .step h3 {
    font-size: 15.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .jump-card {
    transition: none;
  }
}