/* ============================================================
   使用条款 · page-disclaimer
   ============================================================ */

.page-disclaimer {
  --terms-run: rgba(255, 106, 26, .38);
  --terms-run-soft: var(--c-mist);
  --terms-gap-y: clamp(22px, 3.2vw, 38px);
  --terms-text: clamp(15px, 1.45vw, 17px);
  background: var(--c-white);
  color: var(--c-ink);
}

/* ---------- 首屏：框景式条款页头 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 46px) 0 clamp(40px, 5.5vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(25, 227, 209, .17), transparent 58%),
    linear-gradient(158deg, var(--c-ink) 0%, var(--c-ink-2) 60%, #0d2337 100%);
  color: var(--c-white);
}

.page-disclaimer .terms-hero__vrule {
  position: absolute;
  bottom: 52px;
  left: 8px;
  display: none;
  color: var(--c-cyan);
  opacity: .42;
  pointer-events: none;
}

.page-disclaimer .terms-hero__ruler {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 22px;
  color: var(--c-cyan);
  opacity: .45;
  pointer-events: none;
}

.page-disclaimer .terms-hero .breadcrumbs {
  margin: 0;
}

.page-disclaimer .terms-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-disclaimer .terms-hero__copy .eyebrow {
  color: var(--c-cyan);
}

.page-disclaimer .terms-hero__title {
  margin: 12px 0 18px;
  font-size: clamp(40px, 8.4vw, 84px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: .06em;
  color: var(--c-white);
}

.page-disclaimer .terms-hero__lede {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.55vw, 18px);
  line-height: 1.85;
  color: var(--on-dark-strong);
}

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

.page-disclaimer .terms-hero__media {
  margin: 0;
}

.page-disclaimer .terms-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
}

/* ---------- 主体：粘性索引 + 编号条款 ---------- */

.page-disclaimer .terms-body {
  padding: clamp(32px, 4.6vw, 64px) 0 clamp(48px, 7vw, 96px);
  background: var(--c-white);
}

.page-disclaimer .terms-layout {
  display: grid;
  gap: clamp(18px, 2.6vw, 34px);
}

/* 目录索引 */

.page-disclaimer .terms-index {
  position: sticky;
  top: calc(var(--header-h-compact) + 10px);
  z-index: 4;
  display: flex;
  gap: 6px;
  margin: 0 -4px;
  padding: 6px 4px 10px;
  overflow-x: auto;
  background: var(--c-white);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .terms-index::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .terms-index .chapter-index__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--terms-run-soft);
  border-radius: 999px;
  background: var(--c-white);
  color: var(--c-graphite);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-disclaimer .terms-index .chapter-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--c-graphite);
  transition: color .18s var(--ease);
}

.page-disclaimer .terms-index .chapter-index__link:hover {
  color: var(--c-ink);
  border-color: var(--c-orange);
}

.page-disclaimer .terms-index .chapter-index__link.is-active {
  color: var(--c-ink);
  border-color: var(--c-orange);
  background: rgba(255, 106, 26, .09);
}

.page-disclaimer .terms-index .chapter-index__link.is-active .chapter-index__num {
  color: var(--c-orange);
}

/* 条款内容区 */

.page-disclaimer .terms-content {
  min-width: 0;
}

.page-disclaimer .terms-block {
  display: grid;
  gap: 10px;
  padding: var(--terms-gap-y) 0;
  border-top: 1px solid var(--terms-run);
  scroll-margin-top: calc(var(--header-h-compact) + 96px);
}

.page-disclaimer .terms-block:first-child {
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top-color: var(--c-orange);
}

.page-disclaimer .terms-block__num {
  position: relative;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  letter-spacing: .22em;
  color: var(--c-graphite);
}

.page-disclaimer .terms-block__body {
  min-width: 0;
}

.page-disclaimer .terms-block__body h2 {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.4vw, 29px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: .01em;
  color: var(--c-ink);
}

.page-disclaimer .terms-block__body p {
  max-width: 66ch;
  margin: 0 0 14px;
  font-size: var(--terms-text);
  line-height: 1.88;
  color: var(--c-ink);
}

.page-disclaimer .terms-block__body p a {
  color: var(--c-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .terms-block__body p a:hover {
  color: var(--c-orange);
}

/* 条款清单 */

.page-disclaimer .terms-list {
  display: grid;
  gap: 11px;
  max-width: 66ch;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 24px;
  font-size: var(--terms-text);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 12px;
  height: 1px;
  background: var(--c-orange);
}

.page-disclaimer .terms-list li a {
  color: var(--c-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .terms-list li a:hover {
  color: var(--c-orange);
}

.page-disclaimer .terms-code {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--c-mist);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: .92em;
  letter-spacing: .02em;
}

/* 联系信息块 */

.page-disclaimer .terms-contact {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--c-grass);
  background: var(--c-mist);
}

.page-disclaimer .terms-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-size: var(--terms-text);
  line-height: 1.75;
}

.page-disclaimer .terms-contact__label {
  min-width: 64px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-graphite);
}

.page-disclaimer .terms-contact__value {
  color: var(--c-ink);
}

/* 备案号深色块 */

.page-disclaimer .terms-legal {
  margin-top: 20px;
  padding: 20px 22px;
  border-left: 3px solid var(--c-grass);
  background: linear-gradient(150deg, var(--c-ink) 0%, var(--c-ink-2) 100%);
  color: var(--c-white);
}

.page-disclaimer .terms-legal__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--c-cyan);
}

.page-disclaimer .terms-legal .copy-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0;
}

.page-disclaimer .terms-legal .copy-field__value {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
  color: var(--c-white);
}

.page-disclaimer .terms-legal .copy-field__state {
  font-size: 12px;
  color: var(--c-cyan);
}

.page-disclaimer .terms-legal__more {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-graphite);
}

.page-disclaimer .terms-legal__more a {
  color: var(--c-grass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .terms-legal__more a:hover {
  color: var(--c-orange);
}

/* 条款调整 · 折叠组 */

.page-disclaimer .terms-accordion {
  max-width: 74ch;
  margin-top: 18px;
}

.page-disclaimer .terms-accordion .accordion__panel p {
  max-width: 62ch;
  margin: 0 0 10px;
  font-size: var(--terms-text);
  line-height: 1.85;
}

/* 页尾刻度行 */

.page-disclaimer .terms-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: 22px;
  border-top: 1px solid var(--terms-run-soft);
}

.page-disclaimer .terms-foot__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-graphite);
}

.page-disclaimer .terms-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-graphite);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-disclaimer .terms-top::before {
  content: "↑";
  font-size: 15px;
}

.page-disclaimer .terms-top:hover {
  color: var(--c-orange);
}

/* ---------- 响应式：桌面端 ---------- */

@media (min-width: 640px) {
  .page-disclaimer .terms-hero__vrule {
    display: block;
  }
}

@media (min-width: 760px) {
  .page-disclaimer .terms-block {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 0 clamp(20px, 3vw, 34px);
    padding: clamp(28px, 3.6vw, 46px) 0;
  }

  .page-disclaimer .terms-block:first-child {
    padding-top: clamp(20px, 2.4vw, 30px);
  }

  .page-disclaimer .terms-block__num {
    padding-top: 9px;
    font-size: 14px;
  }

  .page-disclaimer .terms-block__num::after {
    content: "";
    position: absolute;
    left: 0;
    top: 34px;
    bottom: 4px;
    width: 1px;
    background: var(--terms-run-soft);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .terms-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-disclaimer .terms-index {
    flex-direction: column;
    gap: 1px;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .page-disclaimer .terms-index .chapter-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 0 9px 14px;
    background: transparent;
  }

  .page-disclaimer .terms-index .chapter-index__link.is-active {
    background: transparent;
    border-left-color: var(--c-orange);
  }

  .page-disclaimer .terms-index .chapter-index__link.is-active .chapter-index__num {
    color: var(--c-orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-index .chapter-index__link,
  .page-disclaimer .terms-top {
    transition: none;
  }
}
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