/* ===== 使用约定页面 · page-disclaimer ===== */

.page-disclaimer {
  --agr-hair: rgba(35, 43, 92, 0.16);
  --agr-hair-strong: rgba(35, 43, 92, 0.3);
  --agr-hair-copper: rgba(169, 118, 44, 0.4);
  background: var(--paper-50);
  color: var(--graphite-700);
  overflow-x: clip;
}

.page-disclaimer img {
  max-width: 100%;
  height: auto;
}

/* —— 首屏 —— */
.page-disclaimer .agr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(96px, 13vw, 146px) 0 clamp(40px, 6vw, 68px);
  background: var(--paper-50);
}

.page-disclaimer .agr-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.page-disclaimer .agr-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: 74% 36%;
  opacity: 0.6;
}

.page-disclaimer .agr-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(104deg, var(--paper-50) 4%, rgba(247, 245, 240, 0.88) 48%, rgba(247, 245, 240, 0.06) 96%);
}

.page-disclaimer .agr-hero__inner {
  position: relative;
  max-width: 48rem;
}

.page-disclaimer .agr-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.6vw, 3.2rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-disclaimer .agr-hero .lede {
  margin: 18px 0 0;
  max-width: 42rem;
  font-size: var(--fs-18);
  line-height: 1.8;
  color: var(--indigo-700);
}

/* —— 顶部要点条 —— */
.page-disclaimer .agr-keypoints {
  padding: 0 0 clamp(38px, 6vw, 62px);
}

.page-disclaimer .agr-keypoints__panel {
  background: var(--indigo-100);
  border: 1px solid var(--agr-hair);
  border-left: 3px solid var(--copper-600);
  border-radius: var(--radius-m);
  padding: clamp(22px, 3.4vw, 34px);
}

.page-disclaimer .agr-keypoints__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--copper-600);
}

.page-disclaimer .agr-keypoints__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-disclaimer .agr-keypoints__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--agr-hair-strong);
}

.page-disclaimer .agr-keypoints__code {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.5;
  color: var(--copper-600);
}

.page-disclaimer .agr-keypoints__list p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.72;
  color: var(--indigo-700);
}

/* —— 主体双栏 —— */
.page-disclaimer .agr-layout {
  display: grid;
  gap: 26px;
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-disclaimer .agr-index {
  order: 1;
  border: 1px solid var(--agr-hair);
  border-radius: var(--radius-m);
  background: #FFFFFF;
  padding: 14px 14px 16px;
}

.page-disclaimer .agr-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--slate-400);
}

.page-disclaimer .agr-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-disclaimer .agr-index__list li {
  flex: 0 0 auto;
}

.page-disclaimer .agr-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--agr-hair);
  font-size: var(--fs-14);
  line-height: 1.3;
  color: var(--indigo-700);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-disclaimer .agr-index__link:hover {
  color: var(--copper-600);
  border-color: var(--agr-hair-copper);
}

.page-disclaimer .agr-index__code {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--copper-600);
}

.page-disclaimer .agr-clauses {
  order: 2;
}

/* —— 条款 —— */
.page-disclaimer .agr-clause + .agr-clause {
  border-top: 1px solid var(--agr-hair);
}

.page-disclaimer .agr-fold {
  padding: clamp(20px, 3vw, 30px) 0;
}

.page-disclaimer .agr-fold__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
}

.page-disclaimer .agr-fold__head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .agr-fold__head::marker {
  content: "";
}

.page-disclaimer .agr-fold__num {
  font-family: var(--font-mono);
  font-size: var(--fs-24);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--copper-600);
  border-bottom: 2px solid var(--copper-400);
  padding-bottom: 5px;
  transition: color 0.25s var(--ease);
}

.page-disclaimer .agr-fold__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.16rem, 2.7vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-disclaimer .agr-fold__head:hover .agr-fold__num {
  color: var(--copper-400);
}

.page-disclaimer .agr-fold__caret {
  position: relative;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-disclaimer .agr-fold__caret::before,
.page-disclaimer .agr-fold__caret::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--indigo-500);
  transition: transform 0.3s var(--ease), background-color 0.25s var(--ease);
}

.page-disclaimer .agr-fold__caret::after {
  transform: rotate(90deg);
}

.page-disclaimer .agr-fold[open] .agr-fold__caret::after {
  transform: rotate(0deg);
}

.page-disclaimer .agr-fold__head:hover .agr-fold__caret::before,
.page-disclaimer .agr-fold__head:hover .agr-fold__caret::after {
  background: var(--copper-600);
}

.page-disclaimer .agr-fold__body {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

.page-disclaimer .agr-fold__body p {
  margin: 0;
  max-width: 44rem;
  font-size: var(--fs-16);
  line-height: 1.82;
}

.page-disclaimer .agr-fold__body a {
  color: var(--indigo-500);
  text-decoration: underline;
  text-decoration-color: var(--agr-hair-copper);
  text-underline-offset: 3px;
  transition: color 0.25s var(--ease), text-decoration-color 0.25s var(--ease);
}

.page-disclaimer .agr-fold__body a:hover {
  color: var(--copper-600);
  text-decoration-color: var(--copper-400);
}

/* —— 结尾行动区 —— */
.page-disclaimer .agr-cta {
  padding: clamp(36px, 6vw, 68px) 0 clamp(56px, 8vw, 96px);
}

.page-disclaimer .agr-cta__inner {
  display: grid;
  gap: 22px;
  align-items: center;
  padding: clamp(24px, 4vw, 40px);
  border-radius: var(--radius-l);
  background: var(--ink-900);
  border: 1px solid rgba(231, 233, 247, 0.14);
  box-shadow: var(--shadow-m);
}

.page-disclaimer .agr-cta__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--copper-400);
}

.page-disclaimer .agr-cta__text h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.32rem, 3.2vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-50);
}

.page-disclaimer .agr-cta__text p {
  margin: 12px 0 0;
  max-width: 44rem;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(231, 233, 247, 0.78);
}

.page-disclaimer .agr-cta .btn {
  justify-self: start;
}

/* —— 断点 —— */
@media (min-width: 768px) {
  .page-disclaimer .agr-keypoints__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-disclaimer .agr-fold__body {
    padding-left: 56px;
  }

  .page-disclaimer .agr-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 36px;
  }

  .page-disclaimer .agr-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .agr-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 6vw, 78px);
    align-items: start;
  }

  .page-disclaimer .agr-clauses {
    order: 1;
  }

  .page-disclaimer .agr-index {
    order: 2;
    position: sticky;
    top: 112px;
    padding: 18px 8px 18px 0;
    border: 0;
    background: transparent;
  }

  .page-disclaimer .agr-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-disclaimer .agr-index__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--agr-hair);
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    padding: 10px 14px;
    white-space: normal;
    font-size: var(--fs-14);
    transition: border-left-width 0.28s var(--ease), border-color 0.28s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease);
  }

  .page-disclaimer .agr-index__link:hover {
    background: var(--indigo-100);
  }

  .page-disclaimer .agr-index__link.is-active {
    border-left-color: var(--copper-400);
    border-left-width: 6px;
    background: var(--indigo-100);
    color: var(--ink-900);
  }
}

@media (min-width: 1536px) {
  .page-disclaimer .agr-hero__inner {
    max-width: 52rem;
  }
}

/* —— 降低动效偏好 —— */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .agr-index__link,
  .page-disclaimer .agr-fold__num,
  .page-disclaimer .agr-fold__caret::before,
  .page-disclaimer .agr-fold__caret::after,
  .page-disclaimer .agr-fold__body a {
    transition-duration: 0.12s;
  }
}
</main>