/* ===== 使用说明页 ===== */
.page-disclaimer {
  --pd-gap: clamp(22px, 4vw, 46px);
  color: var(--body-text);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* 阅读进度细带 */
@keyframes pd-read {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.page-disclaimer .pd-progress {
  position: sticky;
  top: var(--header-h);
  z-index: 20;
  height: 4px;
  background: var(--line);
}
.page-disclaimer .pd-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan-soft), var(--cyan) 55%, var(--flare));
}
@supports (animation-timeline: scroll()) {
  .page-disclaimer .pd-progress__bar {
    animation: pd-read linear both;
    animation-timeline: scroll(root block);
  }
}

/* 顶部窄幅视觉 */
.page-disclaimer .pd-banner {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-bottom: var(--bw) solid var(--edge);
}
.page-disclaimer .pd-banner img {
  display: block;
  width: 100%;
  height: clamp(150px, 24vw, 300px);
  object-fit: cover;
  object-position: center 35%;
}
.page-disclaimer .pd-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10, 22, 38, 0.10) 0%, rgba(10, 22, 38, 0.72) 72%, var(--ink) 100%),
    linear-gradient(90deg, rgba(34, 211, 238, 0.16), transparent 58%);
}

/* 面包屑 */
.page-disclaimer .ls-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mist);
}
.page-disclaimer .ls-crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: var(--bw) solid transparent;
  padding-bottom: 1px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-disclaimer .ls-crumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-disclaimer .ls-crumbs__sep { color: var(--edge); }
.page-disclaimer .ls-crumbs [aria-current="page"] { color: var(--paper); }

/* 页头 */
.page-disclaimer .pd-head {
  padding: clamp(22px, 3.6vw, 42px) 0 clamp(24px, 3.4vw, 40px);
}
.page-disclaimer .pd-head__kicker {
  margin: 0 0 16px;
  color: var(--cyan);
}
.page-disclaimer .pd-head .ls-h1 {
  margin: 0;
  max-width: 16ch;
  letter-spacing: -0.02em;
}
.page-disclaimer .pd-head__lede {
  margin: 22px 0 0;
  max-width: 58ch;
}

/* 正文 + 右侧旁注 */
.page-disclaimer .pd-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}
@media (min-width: 920px) {
  .page-disclaimer .pd-columns {
    grid-template-columns: minmax(0, 1.95fr) minmax(232px, 0.85fr);
  }
}

/* 条款条目 */
.page-disclaimer .pd-main {
  min-width: 0;
}
.page-disclaimer .pd-clause {
  border-top: var(--bw) solid var(--edge);
  padding: 4px 0 clamp(14px, 2.2vw, 20px);
  transition: background 0.2s var(--ease);
}
.page-disclaimer .pd-clause:last-of-type {
  border-bottom: var(--bw) solid var(--edge);
}
.page-disclaimer .pd-clause:target {
  background: linear-gradient(90deg, rgba(34, 211, 238, 0.12), rgba(34, 211, 238, 0) 68%);
}
.page-disclaimer .pd-clause:target .pd-clause__idx {
  color: var(--flare);
}

.page-disclaimer .pd-clause__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 16px 0 14px;
  cursor: pointer;
  list-style: none;
}
.page-disclaimer .pd-clause__sum::-webkit-details-marker { display: none; }
.page-disclaimer .pd-clause__sum::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: color 0.18s var(--ease);
}
.page-disclaimer .pd-clause[open] > .pd-clause__sum::after {
  content: "\2212";
  color: var(--flare);
}
.page-disclaimer .pd-clause__sum:hover .pd-clause__title { color: var(--cyan-soft); }
.page-disclaimer .pd-clause__sum:hover::after { color: var(--cyan-soft); }

.page-disclaimer .pd-clause__idx {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}
.page-disclaimer .pd-clause__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.05rem, 1.9vw, 1.5rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: break-word;
  transition: color 0.18s var(--ease);
}

.page-disclaimer .pd-clause__body {
  max-width: 62ch;
  padding: 2px 0 6px;
}
@media (min-width: 620px) {
  .page-disclaimer .pd-clause__body {
    padding-left: 40px;
  }
}
.page-disclaimer .pd-clause__body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.78;
}

/* 分条列表 */
.page-disclaimer .pd-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-disclaimer .pd-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.72;
}
.page-disclaimer .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 7px;
  height: 7px;
  border: var(--bw) solid var(--cyan);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-disclaimer .pd-list li:hover::before {
  background: var(--cyan);
}

/* 链接与焦点 */
.page-disclaimer a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-disclaimer a:hover { color: var(--cyan-soft); }
.page-disclaimer a:focus-visible,
.page-disclaimer summary:focus-visible {
  outline: var(--bw) solid var(--cyan);
  outline-offset: 2px;
}

/* 右侧旁注 */
.page-disclaimer .pd-aside {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}
@media (min-width: 920px) {
  .page-disclaimer .pd-aside {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }
}
.page-disclaimer .pd-aside__panel {
  border: var(--bw) solid var(--edge);
  background: var(--ink-2);
  padding: 16px 16px 18px;
  box-shadow: var(--shadow);
}
.page-disclaimer .pd-aside__panel--tip {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(34, 211, 238, 0.14), rgba(16, 35, 58, 0) 62%),
    var(--ink-2);
}
.page-disclaimer .pd-aside__title {
  margin: 0 0 14px;
  color: var(--mist);
}
.page-disclaimer .pd-aside__text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--body-text);
}
.page-disclaimer .pd-aside__text:last-child { margin-bottom: 0; }
.page-disclaimer .pd-aside__meta {
  margin: 12px 0 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-disclaimer .pd-aside__text .ls-num {
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

/* 描边小方块导航 */
.page-disclaimer .pd-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}
.page-disclaimer .pd-links a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border: var(--bw) solid var(--edge);
  color: var(--paper);
  font-size: 13.5px;
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease),
              transform 0.18s var(--ease), background 0.18s var(--ease);
}
.page-disclaimer .pd-links a::before {
  content: "";
  width: 8px;
  height: 8px;
  border: var(--bw) solid var(--cyan);
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-disclaimer .pd-links a:hover {
  border-color: var(--cyan);
  color: var(--cyan-soft);
  background: rgba(34, 211, 238, 0.08);
  transform: translateX(3px);
}
.page-disclaimer .pd-links a:hover::before {
  background: var(--cyan);
}

/* 结尾行动入口 */
.page-disclaimer .pd-actions {
  margin-top: clamp(44px, 6vw, 76px);
  border-top: var(--bw) solid var(--edge);
  padding-top: clamp(24px, 3.4vw, 38px);
}
.page-disclaimer .pd-actions__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-disclaimer .pd-actions__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}
@media (min-width: 720px) {
  .page-disclaimer .pd-actions__row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
.page-disclaimer .pd-action {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 22px 46px;
  border: var(--bw) solid var(--edge);
  background: var(--ink-2);
  color: var(--paper);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease),
              border-color 0.18s var(--ease);
}
.page-disclaimer .pd-action--primary {
  background:
    radial-gradient(130% 100% at 0% 0%, rgba(34, 211, 238, 0.20), rgba(16, 35, 58, 0) 60%),
    radial-gradient(110% 90% at 100% 100%, rgba(255, 77, 46, 0.16), rgba(16, 35, 58, 0) 62%),
    var(--ink-2);
}
.page-disclaimer .pd-action:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--cyan);
  color: var(--paper);
}
.page-disclaimer .pd-action:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}
.page-disclaimer .pd-action__k {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.2vw, 1.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.page-disclaimer .pd-action__d {
  font-size: 14px;
  line-height: 1.64;
  color: var(--mist);
  max-width: 34ch;
}
.page-disclaimer .pd-action__arrow {
  position: absolute;
  right: 20px;
  bottom: 18px;
  font-family: var(--font-data);
  font-size: 20px;
  color: var(--cyan);
  transition: transform 0.18s var(--ease);
}
.page-disclaimer .pd-action:hover .pd-action__arrow {
  transform: translateX(5px);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pd-clause__sum,
  .page-disclaimer .pd-clause__title,
  .page-disclaimer .pd-links a,
  .page-disclaimer .pd-action,
  .page-disclaimer .pd-action__arrow {
    transition: none;
  }
  .page-disclaimer .pd-action:hover,
  .page-disclaimer .pd-links a:hover {
    transform: none;
  }
}
</main>