.page-disclaimer {
  --disc-pad: clamp(20px, 3.2vw, 32px);
  --disc-gap: clamp(16px, 2.6vw, 26px);
  --disc-section: clamp(44px, 7vw, 84px);

  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-disclaimer__top {
  padding-top: clamp(16px, 3vw, 26px);
}

.page-disclaimer__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-disclaimer__crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer__crumb a:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-disclaimer__crumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

.page-disclaimer__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */

.page-disclaimer__hero {
  padding-bottom: clamp(6px, 2vw, 14px);
}

.page-disclaimer__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(12px, 2vw, 18px);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

.page-disclaimer__eyebrow::before {
  content: "";
  width: 26px;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--red-hi));
  transform: skewX(-24deg);
}

.page-disclaimer__title {
  max-width: 20ch;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 5.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer__lede {
  max-width: 62ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: var(--fs-19);
  line-height: 1.7;
  color: var(--text);
}

.page-disclaimer__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer__jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--ink);
  font-size: var(--fs-12);
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-disclaimer__jump a:hover {
  transform: translateY(-2px);
  border-color: var(--red);
  color: var(--red);
}

.page-disclaimer__banner {
  position: relative;
  margin: clamp(24px, 4vw, 42px) 0 0;
  background: linear-gradient(120deg, var(--ink), var(--ink-2));
  overflow: hidden;
}

.page-disclaimer__banner::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 1;
  width: 5px;
  background: linear-gradient(180deg, var(--red), var(--signal));
}

.page-disclaimer__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 32vw, 320px);
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 章节骨架 ---------- */

.page-disclaimer__section {
  padding: var(--disc-section) 0;
}

.page-disclaimer__section--tint {
  background: linear-gradient(180deg, rgba(201, 209, 219, 0.3), rgba(243, 245, 248, 0));
}

.page-disclaimer__section--band {
  position: relative;
  background: var(--ink);
  color: var(--paper);
}

.page-disclaimer__section--band::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--signal) 55%, transparent);
}

.page-disclaimer__head {
  max-width: 62ch;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-disclaimer__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--red);
}

.page-disclaimer__h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2.375rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-disclaimer__sub {
  margin: 0;
  font-size: var(--fs-19);
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 三类内容卡片 ---------- */

.page-disclaimer__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--disc-gap);
}

.disc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--disc-pad);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-card);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.disc-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--disc-pad);
  width: 46px;
  height: 3px;
  background: linear-gradient(90deg, var(--red), var(--red-hi));
  transform: skewX(-24deg);
  transform-origin: left center;
}

.disc-card:hover {
  transform: translateY(-5px);
  border-color: var(--red-hi);
  box-shadow: 0 30px 60px -36px rgba(12, 27, 51, 0.6);
}

.disc-card__tag {
  align-self: flex-start;
  padding: 5px 12px;
  border-radius: var(--r-pill);
  background: rgba(240, 68, 30, 0.1);
  color: var(--red);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.disc-card__tag--signal {
  background: rgba(47, 230, 166, 0.18);
  color: var(--signal-deep);
}

.disc-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.disc-card p {
  margin: 0;
  line-height: 1.75;
}

.disc-card__foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */

.disc-timeline {
  border-bottom: 1px solid var(--line);
}

.disc-timeline__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: clamp(20px, 3vw, 28px) 0;
  border-top: 1px solid var(--line);
}

.disc-timeline__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-15);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal-deep);
}

.disc-timeline__body h3 {
  margin: 0 0 8px;
  font-size: var(--fs-19);
  font-weight: 700;
  color: var(--ink);
}

.disc-timeline__body p {
  max-width: 62ch;
  margin: 0;
  line-height: 1.75;
}

/* ---------- 引用建议 ---------- */

.disc-steps {
  display: grid;
  gap: 10px;
}

.disc-step {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.disc-step[open] {
  border-color: rgba(240, 68, 30, 0.45);
  box-shadow: var(--shadow-card);
}

.disc-step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px clamp(16px, 2.4vw, 22px);
  cursor: pointer;
  list-style: none;
  color: var(--ink);
}

.disc-step__summary::-webkit-details-marker {
  display: none;
}

.disc-step__summary:hover .disc-step__label {
  color: var(--red);
}

.disc-step__dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.disc-step[open] .disc-step__dot {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(47, 230, 166, 0.18);
}

.disc-step__num {
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--red);
}

.disc-step__label {
  font-size: var(--fs-19);
  font-weight: 700;
  transition: color 180ms ease;
}

.disc-step__body {
  padding: 0 clamp(16px, 2.4vw, 22px) 18px 48px;
}

.disc-step__body p {
  max-width: 62ch;
  margin: 0;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 反馈 ---------- */

.page-disclaimer__feedback {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-disclaimer__section--band .page-disclaimer__kicker {
  color: var(--red-hi);
}

.page-disclaimer__section--band .page-disclaimer__h2 {
  color: #fff;
}

.page-disclaimer__feedback-text p {
  max-width: 62ch;
  margin: 0;
  line-height: 1.8;
  color: rgba(243, 245, 248, 0.82);
}

.page-disclaimer__mail {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 166, 0.5);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-disclaimer__mail:hover {
  color: #fff;
  border-bottom-color: #fff;
}

.page-disclaimer__actions {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 12px;
}

/* ---------- 备案与联系 ---------- */

.disc-info {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-md);
}

.disc-info::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 230, 166, 0.18), transparent 68%);
  pointer-events: none;
}

.disc-info__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(243, 245, 248, 0.16);
}

.disc-info__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: #fff;
}

.disc-info__meta {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--signal);
}

.disc-info__list {
  position: relative;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.disc-info__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(243, 245, 248, 0.1);
}

.disc-info__row dt {
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: rgba(243, 245, 248, 0.55);
}

.disc-info__row dd {
  margin: 0;
  font-size: var(--fs-19);
  color: #fff;
  overflow-wrap: anywhere;
}

.disc-info__foot {
  position: relative;
  margin: 20px 0 0;
  font-size: var(--fs-15);
  line-height: 1.7;
  color: rgba(243, 245, 248, 0.75);
}

.disc-info__foot a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 166, 0.45);
  transition: color 160ms ease, border-color 160ms ease;
}

.disc-info__foot a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-disclaimer__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .disc-timeline__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 6px 28px;
    align-items: baseline;
  }

  .page-disclaimer__feedback {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }

  .disc-info__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer__hero {
    padding-bottom: clamp(12px, 2vw, 20px);
  }

  .disc-card:nth-child(2) {
    transform: translateY(-16px);
  }

  .disc-card:nth-child(2):hover {
    transform: translateY(-21px);
  }

  .page-disclaimer__actions {
    justify-content: flex-end;
  }
}