.page-disclaimer {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .uc-hero {
  position: relative;
  padding: calc(var(--header-h) + 44px) 0 48px;
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-disclaimer .uc-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(53, 230, 224, 0.16), transparent 68%);
  pointer-events: none;
}

.page-disclaimer .uc-hero::after {
  content: "";
  position: absolute;
  left: -120px;
  bottom: -220px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(255, 63, 164, 0.12), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .uc-hero .shell {
  position: relative;
  z-index: 1;
}

.page-disclaimer .uc-hero .eyebrow {
  margin: 20px 0 0;
}

.page-disclaimer .uc-hero .h1 {
  max-width: 20ch;
  margin: 14px 0 20px;
}

.page-disclaimer .uc-hero .lead {
  max-width: 62ch;
  margin: 0;
}

/* ---------- 两栏错位骨架 ---------- */
.page-disclaimer .uc-body {
  padding: 44px 0 72px;
}

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

/* ---------- 左侧条款索引 ---------- */
.page-disclaimer .uc-toc {
  position: sticky;
  top: var(--header-h-compact);
  z-index: 6;
  background: var(--c-bg);
  padding: 10px 0 12px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .uc-toc-title {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 10px;
}

.page-disclaimer .uc-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-disclaimer .uc-toc-list::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .uc-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--c-text);
  text-decoration: none;
  border: 1px solid var(--c-line);
  background: rgba(19, 26, 63, 0.6);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .uc-toc-link .mono {
  font-size: 11px;
  color: var(--c-muted);
  letter-spacing: 0.1em;
}

.page-disclaimer .uc-toc-link:hover {
  color: var(--c-white);
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

/* ---------- 卡片 ---------- */
.page-disclaimer .uc-card {
  position: relative;
  background: linear-gradient(180deg, rgba(19, 26, 63, 0.94), rgba(19, 26, 63, 0.7));
  border: 1px solid var(--c-line);
  padding: 26px 20px;
  margin-bottom: 4px;
  scroll-margin-top: calc(var(--header-h-compact) + 64px);
}

.page-disclaimer .uc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan), rgba(53, 230, 224, 0) 72%);
  opacity: 0.55;
}

.page-disclaimer .uc-card-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.page-disclaimer .uc-num {
  flex: none;
  margin-top: 5px;
  padding: 4px 7px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  border: 1px solid rgba(53, 230, 224, 0.35);
}

.page-disclaimer .uc-card-title {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.34;
  font-weight: 500;
  color: var(--c-white);
}

.page-disclaimer .uc-card-sub {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-disclaimer .uc-card p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
}

.page-disclaimer .uc-card p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .uc-card a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 224, 0.4);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-disclaimer .uc-card a:hover {
  color: var(--c-white);
  border-bottom-color: var(--c-white);
}

/* ---------- 配图 ---------- */
.page-disclaimer .uc-figure {
  margin: 0 0 20px;
  border: 1px solid var(--c-line);
  background: var(--c-bg);
  overflow: hidden;
}

.page-disclaimer .uc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

.page-disclaimer .uc-figure-cap {
  display: block;
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line);
}

/* ---------- 规格条 ---------- */
.page-disclaimer .uc-spec {
  margin: 0 0 22px;
  padding: 0;
  border: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-disclaimer .uc-spec > div {
  padding: 14px 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-disclaimer .uc-spec > div:last-child {
  border-bottom: 0;
}

.page-disclaimer .uc-spec dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-disclaimer .uc-spec dd {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--c-white);
}

/* ---------- 筛选与设备建议 ---------- */
.page-disclaimer .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--c-line);
}

.page-disclaimer .filter-label {
  margin-right: 4px;
  font-size: 13px;
  color: var(--c-muted);
}

.page-disclaimer .uc-device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-disclaimer .uc-device {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px;
  border: 1px solid var(--c-line);
  background: rgba(10, 15, 44, 0.62);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-disclaimer .uc-device:hover {
  border-color: var(--c-cyan);
  transform: translateY(-4px);
}

.page-disclaimer .uc-device[hidden] {
  display: none;
}

.page-disclaimer .uc-device-icon {
  display: inline-flex;
  width: 34px;
  height: 34px;
  color: var(--c-cyan);
}

.page-disclaimer .uc-device-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-disclaimer .uc-device-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-white);
}

.page-disclaimer .uc-device p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--c-text);
}

.page-disclaimer .filter-empty {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--c-magenta);
}

/* ---------- 光带分隔 ---------- */
.page-disclaimer .uc-sheen {
  height: 1px;
  border: 0;
  margin: 26px 0;
  background: linear-gradient(90deg, rgba(53, 230, 224, 0), rgba(53, 230, 224, 0.7), rgba(255, 63, 164, 0));
  transform: skewY(-0.8deg);
  transform-origin: left center;
  opacity: 0.5;
}

/* ---------- 步骤条 ---------- */
.page-disclaimer .uc-steps {
  list-style: none;
  margin: 4px 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-disclaimer .uc-steps .step-item {
  border: 1px solid var(--c-line);
  background: rgba(10, 15, 44, 0.55);
  position: relative;
  transition: border-color 0.25s var(--ease);
}

.page-disclaimer .uc-steps .step-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: var(--c-cyan);
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.page-disclaimer .uc-steps .step-item.is-active {
  border-color: rgba(53, 230, 224, 0.5);
}

.page-disclaimer .uc-steps .step-item.is-active::before {
  opacity: 1;
}

.page-disclaimer .uc-steps .step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 0;
  background: none;
  text-align: left;
  color: var(--c-text);
  font: inherit;
  cursor: pointer;
}

.page-disclaimer .uc-steps .step-index {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-disclaimer .uc-steps .step-title {
  font-size: 15px;
  color: var(--c-white);
}

.page-disclaimer .uc-steps .step-body {
  padding: 0 16px 16px 44px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--c-text);
}

.page-disclaimer .uc-channel {
  margin: 0;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
  border: 1px solid var(--c-line);
  background: rgba(27, 42, 107, 0.32);
}

/* ---------- 收束区 ---------- */
.page-disclaimer .uc-closing {
  position: relative;
  margin-top: 36px;
  padding: 30px 20px;
  border: 1px solid var(--c-line);
  background: linear-gradient(135deg, rgba(27, 42, 107, 0.6), rgba(10, 15, 44, 0.24));
  overflow: hidden;
}

.page-disclaimer .uc-closing::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(232, 180, 90, 0.16), transparent 68%);
  pointer-events: none;
}

.page-disclaimer .uc-closing > * {
  position: relative;
  z-index: 1;
}

.page-disclaimer .uc-closing .eyebrow {
  margin: 0;
}

.page-disclaimer .uc-closing-title {
  margin: 12px 0 14px;
  font-size: 22px;
  line-height: 1.36;
  font-weight: 500;
  color: var(--c-white);
  max-width: 22ch;
}

.page-disclaimer .uc-closing p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-disclaimer .uc-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 索引与锚点联动 ---------- */
.page-disclaimer:has(#devices:target) .uc-toc-link[href="#devices"],
.page-disclaimer:has(#account:target) .uc-toc-link[href="#account"],
.page-disclaimer:has(#mapping:target) .uc-toc-link[href="#mapping"],
.page-disclaimer:has(#updates:target) .uc-toc-link[href="#updates"],
.page-disclaimer:has(#feedback:target) .uc-toc-link[href="#feedback"] {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(53, 230, 224, 0.08);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .uc-spec {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .uc-spec > div {
    border-bottom: 0;
    border-right: 1px solid var(--c-line);
  }

  .page-disclaimer .uc-spec > div:last-child {
    border-right: 0;
  }

  .page-disclaimer .uc-card {
    padding: 30px 28px;
  }

  .page-disclaimer .uc-card-title {
    font-size: 24px;
  }

  .page-disclaimer .uc-closing {
    padding: 36px 32px;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .uc-device-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-disclaimer .uc-body {
    padding: 64px 0 96px;
  }

  .page-disclaimer .uc-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-disclaimer .uc-toc {
    position: sticky;
    top: calc(var(--header-h-compact) + 24px);
    padding: 0;
    border-bottom: 0;
    background: none;
  }

  .page-disclaimer .uc-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-disclaimer .uc-toc-link {
    justify-content: flex-start;
    width: 100%;
    padding: 10px 12px;
    border: 0;
    border-left: 2px solid var(--c-line);
    background: none;
  }

  .page-disclaimer .uc-toc-link:hover {
    transform: translateX(3px);
    border-left-color: var(--c-cyan);
    background: rgba(53, 230, 224, 0.05);
  }

  .page-disclaimer .uc-sheen {
    margin: 34px 0;
  }
}

/* ---------- 降低动态效果偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer,
  .page-disclaimer * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}