.page-disclaimer {
  position: relative;
  overflow-x: clip;
  color: var(--text-body);
  background:
    radial-gradient(130% 62% at 100% 0%, rgba(23, 86, 94, 0.4), transparent 64%),
    radial-gradient(90% 50% at 0% 22%, rgba(19, 46, 74, 0.55), transparent 70%),
    var(--ink-900);
}

/* ---- 顶部随读进度轨 ---- */
.page-disclaimer .agreement-rail {
  position: sticky;
  top: var(--header-h);
  z-index: 7;
  width: 100%;
  height: 4px;
  background: rgba(154, 174, 194, 0.16);
}

.page-disclaimer .agreement-rail__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(1);
  transform-origin: left center;
  transition: transform 0.15s linear;
  background: linear-gradient(90deg, var(--cyan-400) 0%, var(--orange-500) 78%, var(--amber-400) 100%);
}

/* ---- 首屏 ---- */
.page-disclaimer .agreement-hero {
  display: grid;
  gap: 18px;
  max-width: 880px;
  padding: clamp(38px, 6vw, 74px) 0 clamp(26px, 4vw, 40px);
}

.page-disclaimer .agreement-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-disclaimer .agreement-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-disclaimer .agreement-hero__lede {
  margin: 0;
  max-width: 38em;
  font-size: var(--step-1);
  line-height: 1.8;
  color: var(--text-body);
}

.page-disclaimer .agreement-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

/* ---- 主体骨架 ---- */
.page-disclaimer .agreement-body {
  display: grid;
  gap: 26px;
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* ---- 条款索引 ---- */
.page-disclaimer .agreement-index {
  align-self: start;
  padding: 20px;
  border: 1px solid rgba(63, 224, 207, 0.24);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}

.page-disclaimer .agreement-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-disclaimer .agreement-index__list {
  display: grid;
  gap: 2px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .agreement-index__link {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--slate-300);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-disclaimer .agreement-index__link:hover,
.page-disclaimer .agreement-index__link:focus-visible {
  background: rgba(63, 224, 207, 0.12);
  color: var(--paper-100);
}

.page-disclaimer .agreement-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-400);
}

.page-disclaimer .agreement-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(154, 174, 194, 0.28);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate-300);
}

/* ---- 条款纸面 ---- */
.page-disclaimer .agreement-sheet {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 44px);
  border-radius: var(--radius-lg);
  background: var(--paper-100);
  color: var(--ink-800);
  box-shadow: var(--shadow-deep);
}

.page-disclaimer .agreement-sheet::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.75;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(10, 22, 38, 0.024) 0 1px,
    transparent 1px 4px
  );
}

.page-disclaimer .clause {
  display: grid;
  gap: 12px 26px;
  padding-block: clamp(24px, 3.4vw, 42px);
  border-top: 1px dashed rgba(19, 46, 74, 0.28);
  scroll-margin-top: calc(var(--header-h) + 30px);
}

.page-disclaimer .clause:first-child {
  padding-top: 6px;
  border-top: 0;
}

.page-disclaimer .clause:target {
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, rgba(255, 138, 61, 0.16), rgba(255, 138, 61, 0) 72%);
  box-shadow: inset 4px 0 0 var(--orange-500);
}

.page-disclaimer .clause__side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-disclaimer .clause__num {
  flex: none;
  padding: 4px 11px;
  border: 1px solid rgba(23, 86, 94, 0.36);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal-700);
  text-decoration: none;
  white-space: nowrap;
}

.page-disclaimer .clause__num:hover,
.page-disclaimer .clause__num:focus-visible {
  background: var(--teal-700);
  color: var(--paper-100);
}

.page-disclaimer .clause__title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--teal-700);
}

.page-disclaimer .clause__body {
  font-size: var(--step-0);
  line-height: 1.85;
  color: var(--ink-800);
}

.page-disclaimer .clause__body p {
  margin: 0 0 0.9em;
  break-inside: avoid;
}

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

.page-disclaimer .clause__body ul {
  margin: 0 0 1em;
  padding-left: 1.15em;
  break-inside: avoid;
}

.page-disclaimer .clause__body li {
  margin-bottom: 0.5em;
}

.page-disclaimer .clause__body li:last-child {
  margin-bottom: 0;
}

.page-disclaimer .agreement-sheet a {
  color: var(--teal-700);
  text-decoration: underline;
  text-decoration-color: rgba(23, 86, 94, 0.42);
  text-underline-offset: 3px;
}

.page-disclaimer .agreement-sheet a:hover,
.page-disclaimer .agreement-sheet a:focus-visible {
  color: var(--orange-500);
  text-decoration-color: var(--orange-500);
}

/* ---- 首条配图 ---- */
.page-disclaimer .clause__media {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  border: 1px solid rgba(19, 46, 74, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-800), var(--teal-700));
}

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

.page-disclaimer .clause__caption {
  display: block;
  padding: 10px 14px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper-300);
}

/* ---- 联系条 ---- */
.page-disclaimer .contact-list {
  display: grid;
  gap: 8px;
  margin: 0 0 1em;
  padding: 0;
  list-style: none;
  break-inside: avoid;
}

.page-disclaimer .contact-list li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(19, 46, 74, 0.18);
  font-size: 15px;
  line-height: 1.72;
}

.page-disclaimer .contact-list__key {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal-700);
}

.page-disclaimer .contact-list li > span:last-child {
  word-break: break-word;
}

/* ---- 中等屏幕：条款双列 ---- */
@media (min-width: 760px) {
  .page-disclaimer .clause {
    grid-template-columns: 172px minmax(0, 1fr);
  }

  .page-disclaimer .clause__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* ---- 桌面：侧栏吸附 + 正文分栏 ---- */
@media (min-width: 980px) {
  .page-disclaimer .agreement-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 40px;
  }

  .page-disclaimer .agreement-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .clause:not(.clause--feature) .clause__body {
    column-count: 2;
    column-gap: clamp(32px, 4vw, 54px);
    column-rule: 1px dashed rgba(19, 46, 74, 0.18);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .clause--feature {
    grid-template-columns: 172px minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
  }

  .page-disclaimer .clause--feature .clause__media {
    grid-column: 3 / 4;
    margin-top: 2px;
  }
}

/* ---- 动效降级 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .agreement-rail__fill {
    transition: none;
  }
}

/* ---- 打印：单栏重排 ---- */
@media print {
  .page-disclaimer {
    background: #ffffff;
    color: #000000;
  }

  .page-disclaimer .agreement-rail,
  .page-disclaimer .agreement-index {
    display: none;
  }

  .page-disclaimer .agreement-body {
    display: block;
    padding-bottom: 0;
  }

  .page-disclaimer .agreement-sheet {
    padding: 0;
    border-radius: 0;
    background: #ffffff;
    box-shadow: none;
  }

  .page-disclaimer .agreement-sheet::after {
    display: none;
  }

  .page-disclaimer .clause {
    grid-template-columns: 1fr;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-disclaimer .clause__body {
    column-count: 1;
  }

  .page-disclaimer .clause__media {
    display: none;
  }
}