.page-disclaimer {
  --ag-pad: clamp(20px, 3vw, 34px);
  --ag-ink-soft: #333A47;
  --ag-ink-link: #0A6B5F;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .agreement-hero {
  position: relative;
}

.page-disclaimer .agreement-hero__inner {
  display: grid;
  gap: 22px;
  padding: clamp(22px, 4vw, 46px) 0 clamp(18px, 3vw, 28px);
  align-items: end;
}

.page-disclaimer .agreement-hero__eyebrow {
  margin: 0 0 12px;
}

.page-disclaimer .agreement-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-disclaimer .agreement-hero .lead {
  margin: 0 0 22px;
  max-width: 60ch;
}

.page-disclaimer .hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-disclaimer .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-disclaimer .fact-num {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-disclaimer .agreement-hero__meta {
  padding: 20px 22px;
}

.page-disclaimer .agreement-hero__meta dl {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-disclaimer .agreement-hero__meta dt {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-disclaimer .agreement-hero__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--white);
}

/* 页头窄幅横幅 */
.page-disclaimer .banner-frame {
  position: relative;
  margin: 0 0 clamp(24px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-2);
}

.page-disclaimer .banner-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-disclaimer .banner-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 11, 24, 0) 48%, rgba(6, 11, 24, 0.74) 100%),
    repeating-linear-gradient(90deg, rgba(0, 229, 200, 0.07) 0 1px, transparent 1px 88px);
}

/* ---------- 主体骨架 ---------- */
.page-disclaimer .agreement-shell {
  display: grid;
  gap: 26px;
  padding-bottom: clamp(36px, 6vw, 72px);
  align-items: start;
}

/* ---------- 左侧章节锚点 ---------- */
.page-disclaimer .agreement-nav {
  padding: 16px;
}

.page-disclaimer .agreement-nav__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-disclaimer .agreement-nav__item {
  flex: 0 0 auto;
}

.page-disclaimer .agreement-nav__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-disclaimer .agreement-nav__num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-disclaimer .agreement-nav__link:hover {
  color: var(--white);
  background: rgba(0, 229, 200, 0.07);
  border-color: rgba(0, 229, 200, 0.28);
}

.page-disclaimer .agreement-nav__link[aria-current="true"],
.page-disclaimer .agreement-nav__link[aria-current="page"] {
  color: var(--white);
  background: var(--cyan-dim);
  border-color: rgba(0, 229, 200, 0.5);
}

.page-disclaimer .agreement-nav__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 条款卡 ---------- */
.page-disclaimer .clause {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--ag-pad);
  margin: 0 0 clamp(18px, 3vw, 30px);
  scroll-margin-top: 96px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.page-disclaimer .clause--dark {
  background: linear-gradient(155deg, var(--bg-2) 0%, #0A1122 78%);
}

.page-disclaimer .clause--paper {
  background: var(--paper);
  border-color: rgba(28, 46, 82, 0.4);
  color: var(--ink);
}

.page-disclaimer .clause:hover {
  border-color: rgba(0, 229, 200, 0.42);
}

.page-disclaimer .clause--paper:hover {
  border-color: rgba(0, 229, 200, 0.72);
}

.page-disclaimer .clause__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 16px;
}

.page-disclaimer .clause__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-disclaimer .clause p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.75;
  max-width: 74ch;
}

.page-disclaimer .clause h3 {
  margin: 22px 0 8px;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.page-disclaimer .clause h3:first-of-type {
  margin-top: 8px;
}

.page-disclaimer .clause--dark p {
  color: rgba(255, 255, 255, 0.82);
}

.page-disclaimer .clause--dark h3 {
  color: var(--white);
}

.page-disclaimer .clause--paper p {
  color: var(--ag-ink-soft);
}

.page-disclaimer .clause--paper h3 {
  color: var(--ink);
}

.page-disclaimer .clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 200, 0.45);
}

.page-disclaimer .clause a:hover {
  border-bottom-color: var(--cyan);
}

.page-disclaimer .clause--paper a {
  color: var(--ag-ink-link);
  border-bottom-color: rgba(10, 107, 95, 0.45);
}

.page-disclaimer .clause--paper a:hover {
  border-bottom-color: var(--ag-ink-link);
}

/* ---------- 条列清单 ---------- */
.page-disclaimer .rule-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.7;
  max-width: 74ch;
}

.page-disclaimer .rule-list li strong {
  font-weight: 700;
}

.page-disclaimer .clause--dark .rule-list li {
  color: rgba(255, 255, 255, 0.86);
}

.page-disclaimer .clause--paper .rule-list li {
  color: var(--ag-ink-soft);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-disclaimer .clause--paper .rule-list li::before {
  background: var(--ag-ink-link);
}

/* ---------- 结尾引导 ---------- */
.page-disclaimer .agreement-cta {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--r-lg);
  margin: 0 0 12px;
}

.page-disclaimer .agreement-cta h2 {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  line-height: 1.25;
}

.page-disclaimer .agreement-cta p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-disclaimer .agreement-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 返回顶部 ---------- */
.page-disclaimer .to-top {
  position: fixed;
  right: 16px;
  bottom: 88px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(13, 24, 48, 0.9);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-head);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, border-color 0.2s ease;
}

.page-disclaimer .to-top.is-shown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-disclaimer .to-top:hover {
  border-color: rgba(0, 229, 200, 0.6);
}

.page-disclaimer .to-top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .agreement-hero__inner {
    grid-template-columns: minmax(0, 1.65fr) minmax(250px, 1fr);
    gap: 34px;
  }

  .page-disclaimer .agreement-hero__meta dl {
    gap: 16px;
  }
}

@media (min-width: 1040px) {
  .page-disclaimer .agreement-shell {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 48px;
  }

  .page-disclaimer .agreement-nav {
    position: sticky;
    top: 96px;
    padding: 20px 18px;
  }

  .page-disclaimer .agreement-nav__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
  }

  .page-disclaimer .agreement-nav__link {
    border-radius: 12px;
    white-space: normal;
    padding: 9px 11px;
  }
}

@media (max-width: 420px) {
  .page-disclaimer .hero-facts {
    gap: 8px 18px;
  }

  .page-disclaimer .rule-list li,
  .page-disclaimer .clause p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .to-top,
  .page-disclaimer .agreement-nav__link {
    transition: none;
  }

  .page-disclaimer .to-top {
    transform: none;
  }
}