/* ===== 使用条款 · page-disclaimer ===== */
.page-disclaimer {
  --tm-measure: 44rem;
  --tm-num-size: clamp(2rem, 5vw, 3.15rem);
  position: relative;
  padding-bottom: clamp(64px, 9vw, 132px);
  color: var(--c-white);
  overflow-x: clip;
}

.page-disclaimer .breadcrumbs {
  margin-top: clamp(20px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .tm-hero {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding-block: clamp(20px, 3.5vw, 44px) clamp(28px, 5vw, 64px);
}

.page-disclaimer .tm-hero__copy {
  max-width: 45rem;
}

.page-disclaimer h1 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.022em;
  font-size: clamp(1.95rem, 5.4vw, 3.35rem);
  line-height: 1.08;
  margin: 0 0 0.62em;
  text-wrap: balance;
}

.page-disclaimer .tm-hero .lead {
  color: var(--c-mist);
  line-height: 1.8;
  margin: 0 0 1.6em;
  max-width: 41rem;
}

.page-disclaimer .tm-meta {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 12px;
}

.page-disclaimer .tm-meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-disclaimer .tm-meta__k {
  flex: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-lime);
  border: 1px solid rgba(184, 255, 60, 0.42);
  border-radius: var(--r);
  padding: 1px 8px;
  line-height: 1.5;
}

.page-disclaimer .tm-meta__v {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--c-mist);
}

.page-disclaimer .tm-hero__fig {
  margin: 0;
}

/* ---------- 快速跳转条 ---------- */
.page-disclaimer .tm-jump {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(10, 18, 41, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-disclaimer .tm-jump ol {
  list-style: none;
  margin: 0;
  padding: 11px 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-disclaimer .tm-jump ol::-webkit-scrollbar {
  display: none;
}

.page-disclaimer .tm-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--c-mist);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.4;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-disclaimer .tm-jump a .mono {
  font-size: 0.75rem;
  color: var(--c-lime);
  letter-spacing: 0.04em;
}

.page-disclaimer .tm-jump a:hover {
  color: var(--c-white);
  border-color: var(--line-strong);
  background: rgba(247, 250, 255, 0.04);
}

.page-disclaimer .tm-jump a:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
  color: var(--c-white);
}

/* ---------- 条款条目 ---------- */
.page-disclaimer .tm-clauses {
  margin-top: clamp(4px, 1.5vw, 16px);
}

.page-disclaimer .tm-clause {
  position: relative;
  display: grid;
  gap: clamp(12px, 2vw, 20px);
  padding-block: clamp(30px, 4.6vw, 56px);
  scroll-margin-top: 84px;
}

.page-disclaimer .tm-clause + .tm-clause::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 13%, var(--line-soft) 58%, transparent);
  transform: skewY(-0.4deg);
  transform-origin: left center;
  pointer-events: none;
}

.page-disclaimer .tm-clause__num {
  font-family: var(--font-mono);
  font-size: var(--tm-num-size);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0.02em;
  color: var(--c-lime);
  opacity: 0.34;
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-disclaimer .tm-clause__num {
    color: transparent;
    -webkit-text-stroke: 1px var(--c-lime);
    opacity: 0.9;
  }
}

.page-disclaimer .tm-clause__body {
  max-width: var(--tm-measure);
}

.page-disclaimer .tm-clause__body h2 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -0.012em;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.26;
  margin: 0 0 0.72em;
}

.page-disclaimer .tm-clause__body p {
  color: var(--c-mist);
  line-height: 1.8;
  margin: 0 0 0.95em;
  max-width: 42em;
}

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

/* 无序说明列表 */
.page-disclaimer .tm-list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-disclaimer .tm-list li {
  position: relative;
  padding-left: 20px;
  color: var(--c-mist);
  font-size: 0.9375rem;
  line-height: 1.72;
}

.page-disclaimer .tm-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
}

/* 关键限制条目 */
.page-disclaimer .tm-list--limit {
  margin: 0 0 1em;
  padding: 15px clamp(14px, 2.2vw, 20px);
  border-left: 2px solid var(--c-orange);
  border-radius: 0 var(--r) var(--r) 0;
  background: rgba(255, 106, 43, 0.07);
}

.page-disclaimer .tm-list--limit li::before {
  background: var(--c-orange);
}

/* 展开补充说明 */
.page-disclaimer .tm-more {
  margin-top: 0.2em;
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-disclaimer .tm-more[open] {
  border-color: var(--line-strong);
  background: rgba(247, 250, 255, 0.03);
}

.page-disclaimer .tm-more summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--c-lime);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.page-disclaimer .tm-more summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .tm-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--c-orange);
  transition: transform 0.22s var(--ease);
}

.page-disclaimer .tm-more[open] summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .tm-more summary:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: -2px;
}

.page-disclaimer .tm-more p {
  padding: 0 16px 15px;
  margin: 0;
  color: var(--c-mist);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 底部通道指引带 ---------- */
.page-disclaimer .tm-gate {
  margin-top: clamp(38px, 6vw, 72px);
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--r);
  background:
    linear-gradient(112deg, rgba(255, 106, 43, 0.16), rgba(10, 18, 41, 0) 62%),
    var(--c-void);
  transition: background 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-disclaimer .tm-gate:hover,
.page-disclaimer .tm-gate:focus-within {
  background:
    linear-gradient(112deg, rgba(255, 106, 43, 0.3), rgba(10, 18, 41, 0) 68%),
    var(--c-void);
  border-color: var(--line-strong);
}

.page-disclaimer .tm-gate__k {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.page-disclaimer .tm-gate__t {
  margin: 0 0 20px;
  max-width: 40rem;
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.5;
  font-weight: 500;
  color: var(--c-white);
}

.page-disclaimer .tm-gate__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-disclaimer .tm-gate__link {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--c-white);
  text-decoration: none;
  font-size: 0.9375rem;
  background: rgba(247, 250, 255, 0.03);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-disclaimer .tm-gate__link:hover {
  color: var(--c-void);
  background: var(--c-lime);
  border-color: var(--c-lime);
  transform: translateY(-2px);
}

.page-disclaimer .tm-gate__link:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-disclaimer .tm-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-disclaimer .tm-clause {
    grid-template-columns: 4.5rem minmax(0, 1fr);
    column-gap: clamp(18px, 2.6vw, 34px);
    align-items: start;
  }

  .page-disclaimer .tm-clause__num {
    padding-top: 0.12em;
  }
}

@media (min-width: 980px) {
  .page-disclaimer .tm-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-disclaimer .tm-clause {
    grid-template-columns: 6rem minmax(0, 1fr);
    column-gap: clamp(24px, 3.4vw, 48px);
  }
}

@media (max-width: 400px) {
  .page-disclaimer .tm-clause__num {
    font-size: 1.85rem;
  }

  .page-disclaimer .tm-gate__link {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .tm-jump a,
  .page-disclaimer .tm-more,
  .page-disclaimer .tm-more summary::before,
  .page-disclaimer .tm-gate,
  .page-disclaimer .tm-gate__link {
    transition: none;
  }
}