/* ===== 使用说明页 · page-disclaimer ===== */

.page-disclaimer {
  --dp-gap: clamp(52px, 8vw, 100px);
  --dp-radius: 20px;
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 96px);
  color: var(--jb-ink);
}

.page-disclaimer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 560px;
  background-image:
    linear-gradient(rgba(61, 224, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 224, 255, .05) 1px, transparent 1px),
    radial-gradient(90% 72% at 78% -8%, rgba(200, 255, 61, .1), transparent 62%);
  background-size: 72px 72px, 72px 72px, 100% 100%;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 92%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- 首屏 ---------- */

.page-disclaimer .dp-hero {
  padding-top: clamp(18px, 4vw, 36px);
}

.page-disclaimer .dp-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(24px, 4vw, 40px);
  align-items: center;
}

.page-disclaimer .dp-hero h1 {
  margin: 18px 0 0;
  font-family: var(--jb-font-display);
  font-size: clamp(30px, 5.6vw, 54px);
  line-height: 1.1;
  letter-spacing: -.02em;
}

.page-disclaimer .dp-lede {
  margin: 18px 0 0;
  max-width: 640px;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: var(--jb-ink-soft);
}

.page-disclaimer .dp-hero__media {
  margin: 0;
  width: 100%;
  border-radius: var(--dp-radius);
}

.page-disclaimer .dp-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 条目跳转 ---------- */

.page-disclaimer .dp-toc {
  margin-top: clamp(32px, 5vw, 52px);
}

.page-disclaimer .dp-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dp-toc__item {
  margin: 0;
}

.page-disclaimer .dp-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--jb-line);
  border-radius: var(--jb-pill);
  color: var(--jb-ink-soft);
  background: rgba(22, 48, 42, .35);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  transition: color var(--jb-speed) var(--jb-ease),
              border-color var(--jb-speed) var(--jb-ease),
              background-color var(--jb-speed) var(--jb-ease),
              transform var(--jb-speed) var(--jb-ease);
}

.page-disclaimer .dp-toc__link:hover,
.page-disclaimer .dp-toc__link:focus-visible {
  color: var(--jb-ink);
  border-color: rgba(200, 255, 61, .6);
  background: rgba(200, 255, 61, .1);
  transform: translateY(-2px);
  outline: none;
}

.page-disclaimer .dp-toc__num {
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--jb-cyan);
}

/* ---------- 斜向切角分隔块 ---------- */

.page-disclaimer .dp-slash {
  height: 8px;
  width: min(340px, 62%);
  margin: clamp(40px, 6vw, 72px) 0 0;
  background: linear-gradient(90deg, rgba(200, 255, 61, .55), rgba(61, 224, 255, .16) 68%, transparent);
  clip-path: polygon(0 0, 100% 0, calc(100% - 16px) 100%, 0 100%);
}

/* ---------- 章节块 ---------- */

.page-disclaimer .dp-block {
  margin-top: clamp(28px, 4vw, 44px);
  scroll-margin-top: 120px;
}

.page-disclaimer .dp-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--jb-line);
}

.page-disclaimer .dp-head__num {
  font-family: var(--jb-font-mono);
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: .14em;
  color: var(--jb-lime);
  flex: none;
}

.page-disclaimer .dp-head__title {
  margin: 0;
  font-family: var(--jb-font-display);
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--jb-ink);
}

.page-disclaimer .dp-head__note {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 680px;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--jb-muted);
}

/* ---------- 短条目清单 ---------- */

.page-disclaimer .dp-list {
  margin: clamp(10px, 2vw, 18px) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dp-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: clamp(18px, 2.6vw, 24px) 0;
  border-bottom: 1px solid var(--jb-line);
}

.page-disclaimer .dp-list__item:last-child {
  border-bottom: 0;
}

.page-disclaimer .dp-list__idx {
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jb-cyan);
  padding-top: 4px;
  flex: none;
}

.page-disclaimer .dp-list__text {
  margin: 0;
  max-width: 70ch;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--jb-ink-soft);
}

.page-disclaimer .dp-link {
  color: var(--jb-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, .42);
  padding-bottom: 1px;
  transition: border-color var(--jb-speed) var(--jb-ease),
              color var(--jb-speed) var(--jb-ease);
}

.page-disclaimer .dp-link:hover,
.page-disclaimer .dp-link:focus-visible {
  color: #fff;
  border-bottom-color: #fff;
  outline: none;
}

/* ---------- 版本时间条 ---------- */

.page-disclaimer .dp-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dp-track__item {
  position: relative;
  display: block;
  padding: 18px 18px 18px 22px;
  border-left: 2px solid var(--jb-cyan);
  border-radius: 0 var(--dp-radius) var(--dp-radius) 0;
  background: linear-gradient(90deg, rgba(22, 48, 42, .92), rgba(22, 48, 42, .3));
  cursor: default;
  transition: border-color var(--jb-speed) var(--jb-ease),
              background var(--jb-speed) var(--jb-ease),
              transform var(--jb-speed) var(--jb-ease);
}

.page-disclaimer .dp-track__item:hover,
.page-disclaimer .dp-track__item:focus-visible {
  border-left-color: var(--jb-lime);
  background: linear-gradient(90deg, rgba(22, 48, 42, 1), rgba(22, 48, 42, .58));
  transform: translateX(4px);
  outline: none;
}

.page-disclaimer .dp-track__year {
  display: block;
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--jb-cyan);
}

.page-disclaimer .dp-track__name {
  display: block;
  margin-top: 6px;
  font-family: var(--jb-font-display);
  font-size: clamp(17px, 1.9vw, 20px);
  letter-spacing: -.01em;
  color: var(--jb-ink);
}

.page-disclaimer .dp-track__dir {
  display: block;
  margin-top: 8px;
  max-width: 48ch;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--jb-muted);
  transition: color var(--jb-speed) var(--jb-ease);
}

.page-disclaimer .dp-track__item:hover .dp-track__dir,
.page-disclaimer .dp-track__item:focus-visible .dp-track__dir {
  color: var(--jb-ink-soft);
}

.page-disclaimer .dp-track__tag {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 3px 9px;
  border-radius: var(--jb-pill);
  background: rgba(61, 224, 255, .16);
  color: var(--jb-cyan);
  font-family: var(--jb-font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--jb-speed) var(--jb-ease),
              transform var(--jb-speed) var(--jb-ease);
}

.page-disclaimer .dp-track__item:hover .dp-track__tag,
.page-disclaimer .dp-track__item:focus-visible .dp-track__tag {
  opacity: 1;
  transform: translateY(0);
}

.page-disclaimer .dp-track__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 680px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--jb-muted);
}

/* ---------- 客服渠道块 ---------- */

.page-disclaimer .dp-note {
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(140deg, rgba(22, 48, 42, .95), rgba(14, 17, 16, .92));
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-disclaimer .dp-note__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dp-note__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
}

.page-disclaimer .dp-note__k {
  flex: none;
  min-width: 82px;
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--jb-muted);
}

.page-disclaimer .dp-note__v {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.6;
  color: var(--jb-ink);
  word-break: break-word;
}

/* ---------- 页尾车票卡 ---------- */

.page-disclaimer .dp-outro {
  margin-top: var(--dp-gap);
}

.page-disclaimer .dp-outro__text {
  margin: 14px 0 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jb-ink-soft);
}

.page-disclaimer .dp-outro .jb-actions {
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-disclaimer .dp-note__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-disclaimer .dp-note__row {
    flex-direction: column;
    gap: 8px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .dp-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

@media (min-width: 940px) {
  .page-disclaimer .dp-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-disclaimer .dp-track__item {
    padding: 20px 16px 20px;
    border-left: 0;
    border-top: 2px solid var(--jb-cyan);
    border-radius: 0 0 var(--dp-radius) var(--dp-radius);
    background: linear-gradient(180deg, rgba(22, 48, 42, .92), rgba(22, 48, 42, .28));
  }

  .page-disclaimer .dp-track__item:hover,
  .page-disclaimer .dp-track__item:focus-visible {
    border-top-color: var(--jb-lime);
    background: linear-gradient(180deg, rgba(22, 48, 42, 1), rgba(22, 48, 42, .55));
    transform: translateY(-4px);
  }

  .page-disclaimer .dp-track__tag {
    top: 12px;
    right: 12px;
  }

  .page-disclaimer .dp-list__item {
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dp-toc__link,
  .page-disclaimer .dp-track__item,
  .page-disclaimer .dp-track__dir,
  .page-disclaimer .dp-track__tag,
  .page-disclaimer .dp-link {
    transition-duration: .01ms;
  }

  .page-disclaimer .dp-toc__link:hover,
  .page-disclaimer .dp-track__item:hover,
  .page-disclaimer .dp-track__item:focus-visible {
    transform: none;
  }
}