/* ==========================================================
   使用条款 · 页面作用域样式
   ========================================================== */

.page-disclaimer {
  background: var(--ink);
  color: var(--white);
}

/* ---------- 页首深色带 ---------- */

.page-disclaimer .terms-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(115% 88% at 90% -12%, rgba(43, 227, 200, 0.10), transparent 60%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 66%);
  border-bottom: 1px solid var(--line);
  padding: clamp(24px, 4vw, 46px) 0 clamp(32px, 5vw, 70px);
}

.page-disclaimer .terms-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.42;
  pointer-events: none;
}

.page-disclaimer .terms-banner::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -16%;
  top: -48%;
  width: 74%;
  height: 194%;
  transform: rotate(-13deg);
  background: linear-gradient(115deg, rgba(43, 227, 200, 0.13), rgba(255, 106, 26, 0.06) 52%, transparent 78%);
  pointer-events: none;
}

.page-disclaimer .terms-banner .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-disclaimer .terms-banner .crumbs a {
  color: var(--gray);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-disclaimer .terms-banner .crumbs a:hover,
.page-disclaimer .terms-banner .crumbs a:focus-visible {
  color: var(--cyan);
}

.page-disclaimer .terms-banner .crumbs__sep {
  color: var(--line);
}

.page-disclaimer .terms-banner .crumbs__current {
  color: var(--white);
}

.page-disclaimer .terms-banner__grid {
  align-items: end;
  row-gap: clamp(26px, 4vw, 40px);
}

.page-disclaimer .terms-banner__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-disclaimer .terms-banner__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.4vw, 78px);
  line-height: 0.96;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-disclaimer .terms-banner__lede {
  margin: 0 0 24px;
  max-width: 34em;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.9;
  color: var(--white);
  opacity: 0.86;
}

.page-disclaimer .terms-banner__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-disclaimer .terms-banner__meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-disclaimer .terms-banner__meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
  flex: none;
}

.page-disclaimer .terms-banner__meta span:nth-child(2)::before {
  background: var(--orange);
}

.page-disclaimer .terms-banner__meta span:nth-child(3)::before {
  background: var(--gray);
}

.page-disclaimer .terms-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-2);
  transform: skewY(-1.4deg);
}

.page-disclaimer .terms-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-disclaimer .terms-figure .media__cap {
  display: block;
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  line-height: 1.6;
  color: var(--gray);
  transform: skewY(1.4deg);
}

/* ---------- 暖纸正文区 ---------- */

.page-disclaimer .terms-body {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(30px, 5vw, 72px) 0 clamp(36px, 6vw, 94px);
}

.page-disclaimer .terms-layout {
  row-gap: clamp(22px, 3vw, 34px);
  align-items: start;
}

/* ---------- 条款索引 ---------- */

.page-disclaimer .terms-index {
  border-top: 2px solid var(--paper-ink);
  padding-top: 16px;
}

.page-disclaimer .terms-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-disclaimer .terms-index__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
}

.page-disclaimer .terms-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--paper-ink);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-disclaimer .terms-index__link:hover,
.page-disclaimer .terms-index__link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--orange);
}

.page-disclaimer .terms-index__num {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gray);
  flex: none;
}

/* ---------- 条款条目 ---------- */

.page-disclaimer .terms-clauses {
  max-width: 46em;
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px 26px;
  padding: clamp(24px, 3.2vw, 36px) 0;
  border-top: 1px solid var(--paper-line);
  scroll-margin-top: 110px;
}

.page-disclaimer .clause:first-child {
  border-top: 2px solid var(--paper-ink);
}

.page-disclaimer .clause:last-child {
  border-bottom: 1px solid var(--paper-line);
}

.page-disclaimer .clause__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-disclaimer .clause__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.006em;
  color: var(--paper-ink);
}

.page-disclaimer .clause__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper-ink);
}

.page-disclaimer .clause__list {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--paper-ink);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.86em;
  width: 9px;
  height: 1px;
  background: var(--orange);
}

.page-disclaimer .terms-link {
  color: var(--deep-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-disclaimer .terms-link:hover,
.page-disclaimer .terms-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 统计指标小格 ---------- */

.page-disclaimer .terms-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 18px 0 16px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}

.page-disclaimer .terms-metrics__item {
  background: var(--paper);
  padding: 14px 16px;
}

.page-disclaimer .terms-metrics__v {
  display: block;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--amber);
}

.page-disclaimer .terms-metrics__k {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper-ink);
  opacity: 0.72;
}

/* ---------- 收尾动作带 ---------- */

.page-disclaimer .terms-foot {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-top: 1px solid var(--line);
  padding: clamp(30px, 4.4vw, 62px) 0;
}

.page-disclaimer .terms-foot__inner {
  display: grid;
  gap: 22px;
  align-items: center;
}

.page-disclaimer .terms-foot__line {
  margin: 0;
  max-width: 30em;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.66;
  color: var(--white);
}

.page-disclaimer .terms-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-disclaimer .terms-index {
    position: sticky;
    top: 104px;
    border-top: 0;
    border-left: 1px solid var(--paper-line);
    padding: 2px 0 0 clamp(14px, 1.5vw, 20px);
  }

  .page-disclaimer .terms-index__nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-disclaimer .clause {
    grid-template-columns: 76px minmax(0, 1fr);
  }

  .page-disclaimer .clause__num {
    font-size: 15px;
    padding-top: 4px;
  }
}

@media (min-width: 880px) {
  .page-disclaimer .terms-foot__inner {
    grid-template-columns: 1.7fr auto;
    gap: 44px;
  }
}

@media (max-width: 899px) {
  .page-disclaimer .terms-banner__visual {
    order: 2;
  }

  .page-disclaimer .terms-banner__lead {
    order: 1;
  }

  .page-disclaimer .terms-figure {
    transform: none;
  }

  .page-disclaimer .terms-figure .media__cap {
    transform: none;
  }
}

@media (max-width: 520px) {
  .page-disclaimer .terms-index__nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .terms-metrics {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .clause__list li {
    font-size: 15px;
  }
}