/* =========================================================
   使用条款 / Terms of Use — page-disclaimer
   ========================================================= */

.page-disclaimer {
  --rail-w: 232px;
  --clause-pad: clamp(22px, 3.2vw, 42px);
  --sticky-top: calc(var(--header-h-sm) + 28px);

  position: relative;
  overflow-x: clip;
  background: var(--ice);
  color: var(--frost);
  padding-bottom: clamp(56px, 9vw, 112px);
}

/* ---------- 首屏 ---------- */

.terms-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(46px, 8vw, 100px);
  padding-bottom: clamp(34px, 5.5vw, 68px);
  border-bottom: 1px solid var(--line);
}

.terms-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -12%;
  width: 62%;
  height: 180%;
  background: radial-gradient(closest-side, rgba(53, 224, 208, 0.1), transparent 72%);
  transform: rotate(-6deg);
  pointer-events: none;
}

.terms-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(38%, 400px);
  height: 3px;
  background: var(--lava);
}

.page-disclaimer .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(22px, 3.6vw, 40px);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-disclaimer .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
}

.page-disclaimer .breadcrumb a:hover,
.page-disclaimer .breadcrumb a:focus-visible {
  color: var(--lava);
}

.terms-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.terms-hero__main .index-label {
  display: block;
  margin-bottom: 14px;
  color: var(--silver);
}

.terms-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: clamp(44px, 11vw, 88px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--frost);
}

.terms-hero__lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: rgba(242, 246, 250, 0.86);
}

.version-card {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lava);
  background: linear-gradient(180deg, rgba(27, 53, 80, 0.78), rgba(11, 30, 51, 0.42));
}

.version-card .index-label {
  color: var(--silver);
}

.version-card__no {
  font-size: clamp(34px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lava);
}

.version-card__note {
  margin: 6px 0 0;
}

/* ---------- 主体两栏 ---------- */

.terms-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(36px, 5.5vw, 76px);
}

/* ---------- 左侧条款轴 ---------- */

.clause-rail__title {
  display: block;
  margin: 0 0 14px;
  color: var(--silver);
}

.clause-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.clause-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  min-height: 44px;
  padding: 10px 12px;
  border-bottom: 2px solid var(--line-soft);
  color: var(--silver);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.clause-rail__link:hover,
.clause-rail__link:focus-visible {
  color: var(--frost);
  border-bottom-color: var(--lava);
  background: rgba(27, 53, 80, 0.6);
}

.clause-rail__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--ember);
}

.clause-rail__label {
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
}

/* ---------- 条款区块 ---------- */

.clause-stack {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  min-width: 0;
}

.clause {
  position: relative;
  padding: var(--clause-pad);
  border: 1px solid var(--line);
  border-top-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(27, 53, 80, 0.5), rgba(11, 30, 51, 0.2));
  box-shadow: inset 0 0 0 1px rgba(232, 220, 200, 0.035);
  scroll-margin-top: calc(var(--header-h-sm) + 22px);
  transition: border-color 0.25s ease;
}

.clause:hover {
  border-color: var(--line-strong);
}

.clause__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  padding-bottom: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.clause__no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 58px;
  padding: 0 10px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--frost);
  background: var(--steel);
  border: 1px solid var(--line-strong);
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.clause:hover .clause__no,
.clause:focus-within .clause__no {
  background: var(--lava);
  border-color: var(--lava);
  color: var(--ink);
}

.clause__title {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.clause__head .tag {
  flex: 0 0 auto;
}

.clause__body {
  min-width: 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 246, 250, 0.82);
}

.clause__body > p {
  margin: 0 0 1em;
}

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

.clause__body a {
  color: var(--ember);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.clause__body a:hover,
.clause__body a:focus-visible {
  color: var(--lava);
}

.plain-list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 9px;
}

.plain-list li {
  position: relative;
  padding-left: 22px;
}

.plain-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 1px;
  background: var(--lava);
}

/* ---------- 许可四情形 ---------- */

.permit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.permit-list__item {
  padding: 15px 18px;
  border-left: 2px solid var(--line-strong);
  background: rgba(27, 53, 80, 0.38);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.permit-list__item:hover,
.permit-list__item:focus-within {
  border-left-color: var(--lava);
  background: rgba(27, 53, 80, 0.72);
}

.permit-list__name {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ember);
}

.permit-list__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 署名格式 ---------- */

.credit-sample {
  display: grid;
  gap: 8px;
  margin: 20px 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(232, 220, 200, 0.06) 0 1px, transparent 1px 6px),
    rgba(6, 20, 32, 0.58);
}

.credit-sample .index-label {
  color: var(--silver);
}

.credit-sample__line {
  margin: 0;
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 1.7;
  color: var(--frost);
  word-break: break-word;
}

/* ---------- 允许 / 禁止 对照 ---------- */

.verdict-table {
  display: grid;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: rgba(6, 20, 32, 0.4);
}

.verdict-table__head {
  display: none;
}

.verdict-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line-soft);
  transition: background-color 0.2s ease;
}

.verdict-row:hover,
.verdict-row:focus-within {
  background: rgba(27, 53, 80, 0.62);
}

.verdict-cell {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 15px 18px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 246, 250, 0.84);
}

.verdict-cell--yes {
  box-shadow: inset 3px 0 0 rgba(47, 191, 113, 0.7);
}

.verdict-cell--no {
  box-shadow: inset 3px 0 0 rgba(255, 90, 31, 0.7);
}

.verdict-cell__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.verdict-cell--yes .verdict-cell__mark {
  color: var(--turf);
  background: rgba(47, 191, 113, 0.14);
  border: 1px solid rgba(47, 191, 113, 0.5);
}

.verdict-cell--no .verdict-cell__mark {
  color: var(--lava);
  background: rgba(255, 90, 31, 0.14);
  border: 1px solid rgba(255, 90, 31, 0.5);
}

/* ---------- 联系方式 ---------- */

.contact-block {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.contact-block__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  background: rgba(6, 20, 32, 0.62);
}

.contact-block dt {
  margin: 0;
  color: var(--silver);
}

.contact-block dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--frost);
  word-break: break-word;
}

/* ---------- 结尾小结 ---------- */

.terms-seal {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: center;
  margin-top: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 3.6vw, 46px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(232, 220, 200, 0.09), rgba(232, 220, 200, 0.02) 45%, transparent 72%),
    var(--ink);
}

.terms-seal::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(232, 220, 200, 0.2);
  pointer-events: none;
}

.terms-seal__body {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.terms-seal__body .index-label {
  display: block;
  margin-bottom: 12px;
  color: var(--ember);
}

.terms-seal__text {
  margin: 0 0 22px;
  max-width: 32em;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.75;
  color: var(--frost);
}

.terms-seal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.terms-seal__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.terms-seal__figure {
  position: relative;
  z-index: 1;
  justify-self: center;
  width: min(190px, 62%);
  margin: 0;
  opacity: 0.9;
}

.terms-seal__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

/* ---------- 状态与动效 ---------- */

.page-disclaimer [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.page-disclaimer [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

.page-disclaimer .has-js [data-reveal] {
  opacity: 0;
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .contact-block__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 720px) {
  .verdict-table__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    border-top: 0;
  }

  .verdict-table__head .verdict-cell {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 12px;
    padding-bottom: 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--silver);
    background: rgba(6, 20, 32, 0.7);
    box-shadow: none;
  }

  .verdict-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .verdict-cell {
    box-shadow: none;
  }

  .verdict-row .verdict-cell + .verdict-cell {
    border-left: 1px solid var(--line-soft);
  }

  .verdict-row .verdict-cell--yes {
    border-left: 3px solid rgba(47, 191, 113, 0.55);
  }

  .verdict-row .verdict-cell--no {
    border-left: 1px solid var(--line-soft);
  }
}

@media (min-width: 820px) {
  .terms-seal {
    grid-template-columns: minmax(0, 1fr) 220px;
  }

  .terms-seal__figure {
    justify-self: end;
    width: 100%;
    max-width: 220px;
  }
}

@media (min-width: 1000px) {
  .terms-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .clause-rail {
    position: sticky;
    top: var(--sticky-top);
  }

  .clause-rail__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .clause-rail__link {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    border-bottom: 0;
    border-left: 2px solid var(--line-soft);
    padding: 11px 10px 11px 14px;
  }

  .clause-rail__link:hover,
  .clause-rail__link:focus-visible {
    border-left-color: var(--lava);
    border-bottom-color: transparent;
    background: rgba(27, 53, 80, 0.62);
  }

  .clause-rail__label {
    white-space: normal;
  }
}

@media (min-width: 1180px) {
  .terms-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: end;
  }

  .terms-hero__side {
    padding-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-disclaimer .clause,
  .page-disclaimer .clause__no,
  .page-disclaimer .permit-list__item,
  .page-disclaimer .verdict-row,
  .page-disclaimer .clause-rail__link {
    transition: none;
  }
}
</final>