/* ===== 用户协议页 · page-disclaimer ===== */
.page-disclaimer {
  --dep-measure: 640px;
  --dep-rule: rgba(139, 154, 179, 0.2);
  --dep-tick: rgba(47, 216, 208, 0.42);
  background: var(--ink-900);
  color: var(--mist);
  overflow-x: hidden;
}

/* —— 首屏 —— */
.page-disclaimer .dep-head {
  position: relative;
  overflow: hidden;
  padding: 64px 0 0;
  background: linear-gradient(158deg, var(--ink-800) 0%, var(--ink-800) 44%, var(--ink-900) 100%);
  border-bottom: 1px solid var(--dep-rule);
}

.page-disclaimer .dep-head::before {
  content: "";
  position: absolute;
  top: -72px;
  right: -8%;
  width: 58%;
  height: 280px;
  background: linear-gradient(118deg, rgba(47, 216, 208, 0.18), rgba(122, 92, 255, 0.1) 58%, rgba(255, 106, 43, 0) 100%);
  clip-path: polygon(0 22%, 100% 0, 100% 78%, 0 100%);
  transform: rotate(-4deg);
  pointer-events: none;
}

.page-disclaimer .dep-head__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .dep-head h1 {
  margin: 18px 0 20px;
  max-width: 780px;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-disclaimer .dep-lede {
  margin: 0;
  max-width: 680px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 246, 255, 0.82);
}

.page-disclaimer .dep-meta {
  display: grid;
  gap: 16px;
  margin: 34px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--dep-rule);
}

.page-disclaimer .dep-meta div {
  min-width: 0;
}

.page-disclaimer .dep-meta dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.page-disclaimer .dep-meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(242, 246, 255, 0.9);
}

.page-disclaimer .dep-pulse {
  display: block;
  width: 100%;
  height: 60px;
  margin-top: 44px;
  color: rgba(47, 216, 208, 0.45);
}

/* —— 主体骨架 —— */
.page-disclaimer .dep-body {
  padding: 48px 0 0;
}

.page-disclaimer .dep-layout {
  display: grid;
  gap: 32px;
}

/* —— 目录索引 —— */
.page-disclaimer .dep-index {
  align-self: start;
  min-width: 0;
}

.page-disclaimer .dep-index__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--dep-rule);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--rock);
}

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

.page-disclaimer .dep-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 13px;
  border: 1px solid var(--dep-rule);
  border-radius: 999px;
  background: rgba(18, 41, 74, 0.62);
  color: rgba(242, 246, 255, 0.74);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-disclaimer .dep-index__list a .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--circuit);
}

.page-disclaimer .dep-index__list a:hover,
.page-disclaimer .dep-index__list a:focus-visible {
  color: var(--mist);
  border-color: rgba(216, 255, 62, 0.6);
  background: rgba(18, 41, 74, 0.95);
}

.page-disclaimer .dep-index__list a:focus-visible {
  outline: 2px solid var(--lemon);
  outline-offset: 2px;
}

/* —— 条款列表 —— */
.page-disclaimer .dep-clauses {
  min-width: 0;
}

.page-disclaimer .clause {
  position: relative;
  padding: 26px 0 42px;
  border-top: 1px solid rgba(139, 154, 179, 0.14);
}

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

.page-disclaimer .clause:last-child {
  padding-bottom: 12px;
}

.page-disclaimer .clause__num {
  display: block;
  width: max-content;
  position: relative;
  padding: 2px 0 10px;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--circuit);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}

.page-disclaimer .clause__num::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 1px;
  background: var(--dep-tick);
}

.page-disclaimer .clause__num:hover,
.page-disclaimer .clause__num:focus-visible {
  color: var(--lemon);
}

.page-disclaimer .clause__num:focus-visible {
  outline: 2px solid var(--lemon);
  outline-offset: 3px;
}

.page-disclaimer .clause__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.34;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-disclaimer .clause__body {
  min-width: 0;
}

.page-disclaimer .clause__body > p {
  margin: 0 0 14px;
  max-width: var(--dep-measure);
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 246, 255, 0.8);
}

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

.page-disclaimer .clause__list {
  list-style: none;
  margin: 4px 0 16px;
  padding: 0;
  max-width: var(--dep-measure);
}

.page-disclaimer .clause__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 246, 255, 0.76);
}

.page-disclaimer .clause__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--circuit);
  opacity: 0.78;
}

.page-disclaimer .clause__key {
  position: relative;
  margin: 18px 0 0;
  padding: 14px 18px;
  max-width: var(--dep-measure);
  border-left: 2px solid var(--violet);
  background: linear-gradient(96deg, rgba(122, 92, 255, 0.16), rgba(122, 92, 255, 0.02) 72%, transparent);
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

.page-disclaimer .clause__key::before {
  content: "关键约定";
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--violet);
}

.page-disclaimer .clause__body a:not(.clause__num) {
  color: var(--circuit);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 216, 208, 0.4);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-disclaimer .clause__body a:not(.clause__num):hover,
.page-disclaimer .clause__body a:not(.clause__num):focus-visible {
  color: var(--lemon);
  border-bottom-color: var(--lemon);
}

/* —— 页尾收束 —— */
.page-disclaimer .dep-tail {
  position: relative;
  margin-top: 52px;
  padding: 52px 0 0;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 62%, var(--ink-900) 100%);
  border-top: 1px solid var(--dep-rule);
  overflow: hidden;
}

.page-disclaimer .dep-tail__kicker {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--circuit);
}

.page-disclaimer .dep-tail__title {
  margin: 0 0 14px;
  max-width: 720px;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.32;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-disclaimer .dep-tail__text {
  margin: 0;
  max-width: 680px;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(242, 246, 255, 0.78);
}

.page-disclaimer .dep-tail__figure {
  margin: 40px 0 0;
}

.page-disclaimer .dep-tail__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-disclaimer .dep-tail__figure .media__caption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rock);
}

/* —— 窄屏保护 —— */
@media (max-width: 460px) {
  .page-disclaimer .dep-head h1 {
    font-size: 26px;
  }

  .page-disclaimer .clause__title {
    font-size: 19px;
  }

  .page-disclaimer .dep-index__list a {
    font-size: 12.5px;
    padding: 5px 11px;
  }
}

/* —— 平板及以上 —— */
@media (min-width: 720px) {
  .page-disclaimer .dep-head {
    padding-top: 92px;
  }

  .page-disclaimer .dep-head h1 {
    font-size: 44px;
    line-height: 1.18;
  }

  .page-disclaimer .dep-lede {
    font-size: 17px;
  }

  .page-disclaimer .dep-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-disclaimer .dep-body {
    padding-top: 64px;
  }

  .page-disclaimer .clause {
    display: grid;
    grid-template-columns: 66px minmax(0, 1fr);
    column-gap: 26px;
    padding-top: 30px;
    padding-bottom: 48px;
  }

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

  .page-disclaimer .clause::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 50px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, var(--dep-tick) 0%, rgba(139, 154, 179, 0.08) 88%);
  }

  .page-disclaimer .clause:first-child::before {
    top: 48px;
  }

  .page-disclaimer .clause:last-child::before {
    display: none;
  }

  .page-disclaimer .clause__title {
    font-size: 22px;
  }

  .page-disclaimer .dep-tail {
    padding-top: 64px;
  }

  .page-disclaimer .dep-tail__title {
    font-size: 30px;
  }
}

/* —— 桌面宽屏 —— */
@media (min-width: 980px) {
  .page-disclaimer .dep-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 76px;
  }

  .page-disclaimer .dep-index {
    position: sticky;
    top: 88px;
  }

  .page-disclaimer .dep-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-disclaimer .dep-index__list a {
    display: flex;
    width: 100%;
    padding: 10px 0 10px 2px;
    border: 0;
    border-bottom: 1px solid rgba(139, 154, 179, 0.12);
    border-radius: 0;
    background: transparent;
    font-size: 14.5px;
    line-height: 1.5;
    transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
  }

  .page-disclaimer .dep-index__list a:hover,
  .page-disclaimer .dep-index__list a:focus-visible {
    padding-left: 8px;
    color: var(--lemon);
    border-bottom-color: rgba(216, 255, 62, 0.45);
    background: transparent;
  }

  .page-disclaimer .dep-tail__figure {
    margin-top: 48px;
  }
}

/* —— 动效降级 —— */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dep-index__list a,
  .page-disclaimer .clause__num,
  .page-disclaimer .clause__body a:not(.clause__num) {
    transition: none;
  }
}