.page-disclaimer {
  --pd-shell: 1080px;
  --pd-toc-width: 236px;
  --pd-rule: #1E2C49;
  display: block;
  color: var(--text);
}

/* ---------- 顶部横幅 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(56px, 9vw, 104px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--pd-rule);
  background: linear-gradient(166deg, #050A16 0%, #0B1424 58%, #071022 100%);
}

.page-disclaimer .terms-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 130%;
  z-index: -1;
  background:
    radial-gradient(46% 62% at 14% 10%, rgba(255, 106, 31, 0.2), transparent 68%),
    radial-gradient(42% 56% at 88% 6%, rgba(22, 199, 154, 0.16), transparent 70%);
  pointer-events: none;
}

.page-disclaimer .terms-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(30, 44, 73, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 44, 73, 0.55) 1px, transparent 1px);
  background-size: 60px 60px;
  -webkit-mask-image: radial-gradient(120% 86% at 50% 0%, #000 30%, transparent 80%);
  mask-image: radial-gradient(120% 86% at 50% 0%, #000 30%, transparent 80%);
  pointer-events: none;
}

.page-disclaimer .terms-hero__inner {
  position: relative;
}

.page-disclaimer .terms-hero .breadcrumbs {
  margin-bottom: clamp(22px, 4vw, 38px);
}

.page-disclaimer .terms-hero .label-en {
  display: block;
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-soft);
}

.page-disclaimer .terms-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 6.4vw, 68px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-disclaimer .terms-hero__lede {
  max-width: 64ch;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: var(--text-muted);
}

.page-disclaimer .terms-hero__tags {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
}

/* ---------- 双栏主体 ---------- */
.page-disclaimer .terms-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 54px);
  width: 100%;
  max-width: var(--pd-shell);
  margin-inline: auto;
  padding-block: clamp(34px, 6vw, 68px) 0;
}

/* 目录：窄屏横向滚动条，滚动时吸顶 */
.page-disclaimer .terms-toc {
  position: sticky;
  top: 70px;
  z-index: 5;
  padding: 10px 12px;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius-sm);
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-disclaimer .terms-toc__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.page-disclaimer .terms-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-disclaimer .terms-toc__item {
  flex: 0 0 auto;
}

.page-disclaimer .terms-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-disclaimer .terms-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--signal-soft);
}

.page-disclaimer .terms-toc__link:hover {
  color: var(--text);
  border-color: var(--pd-rule);
}

.page-disclaimer .terms-toc__link.is-current {
  color: var(--white);
  background: rgba(255, 106, 31, 0.16);
  border-color: rgba(255, 106, 31, 0.45);
}

.page-disclaimer .terms-toc__link.is-current .terms-toc__num {
  color: var(--signal);
}

.page-disclaimer .terms-toc__link:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .terms-content {
  min-width: 0;
}

.page-disclaimer .terms-clause {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--pd-rule);
  scroll-margin-top: 150px;
}

.page-disclaimer .terms-clause + .terms-clause {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-disclaimer .terms-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-disclaimer .terms-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-disclaimer .terms-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--text);
}

.page-disclaimer .terms-clause__body > p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: #D3DEEE;
}

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

.page-disclaimer .terms-clause__body a {
  color: var(--signal-soft);
  text-decoration: underline;
  text-decoration-color: rgba(255, 167, 107, 0.45);
  text-underline-offset: 3px;
}

.page-disclaimer .terms-clause__body a:hover {
  color: var(--signal);
}

.page-disclaimer .terms-clause__body a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 3px;
}

.page-disclaimer .terms-list {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-list:last-child {
  margin-bottom: 0;
}

.page-disclaimer .terms-list > li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.78;
  color: #D3DEEE;
}

.page-disclaimer .terms-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--signal);
}

.page-disclaimer .terms-list--quiet > li::before {
  background: var(--teal);
}

.page-disclaimer .terms-callout {
  position: relative;
  max-width: 68ch;
  margin-top: 20px;
  padding: 15px 18px 15px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-left: 3px solid var(--signal);
  background: linear-gradient(90deg, rgba(255, 106, 31, 0.14), rgba(255, 106, 31, 0.02));
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}

/* ---------- 折叠细节 ---------- */
.page-disclaimer .accordion {
  margin-top: 22px;
  border: 1px solid var(--pd-rule);
  border-radius: var(--radius-sm);
  background: var(--glass);
  overflow: hidden;
}

.page-disclaimer .accordion__item + .accordion__item {
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer .accordion__heading {
  margin: 0;
  font-size: 16px;
}

.page-disclaimer .accordion__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text);
  cursor: pointer;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-disclaimer .accordion__trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--signal);
  transition: transform 0.2s var(--ease);
}

.page-disclaimer .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-disclaimer .accordion__trigger:hover {
  background: rgba(30, 44, 73, 0.45);
}

.page-disclaimer .accordion__trigger:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: -2px;
}

.page-disclaimer .accordion__panel {
  padding: 0 18px 16px;
  border-top: 1px solid rgba(30, 44, 73, 0.7);
}

.page-disclaimer .accordion__panel .terms-list {
  margin-top: 14px;
}

/* ---------- 反馈入口 ---------- */
.page-disclaimer .terms-cta {
  margin-top: clamp(46px, 7vw, 88px);
  padding-block: clamp(30px, 5vw, 58px);
  border-top: 1px solid var(--pd-rule);
  background:
    radial-gradient(60% 90% at 8% 0%, rgba(255, 106, 31, 0.12), transparent 70%),
    radial-gradient(55% 85% at 94% 100%, rgba(22, 199, 154, 0.12), transparent 72%),
    var(--bg-layer);
}

.page-disclaimer .terms-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid rgba(255, 106, 31, 0.55);
  border-radius: var(--radius);
  background: rgba(5, 10, 22, 0.66);
}

.page-disclaimer .terms-cta__text .label-en {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-soft);
}

.page-disclaimer .terms-cta__text h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-disclaimer .terms-cta__text p {
  max-width: 56ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-disclaimer .terms-cta__actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-disclaimer .terms-cta__mail {
  display: block;
  padding: 12px 14px;
  border: 1px dashed var(--pd-rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--teal);
  word-break: break-all;
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 640px) {
  .page-disclaimer .terms-hero h1 {
    max-width: none;
  }

  .page-disclaimer .terms-clause__head {
    flex-direction: column;
    gap: 6px;
  }

  .page-disclaimer .terms-clause {
    scroll-margin-top: 132px;
  }
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 900px) {
  .page-disclaimer .terms-layout {
    grid-template-columns: var(--pd-toc-width) minmax(0, 1fr);
    align-items: start;
    gap: clamp(36px, 4vw, 64px);
  }

  .page-disclaimer .terms-toc {
    top: 92px;
    padding: 18px 16px;
  }

  .page-disclaimer .terms-toc__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-disclaimer .terms-toc__item {
    flex: 1 1 auto;
  }

  .page-disclaimer .terms-toc__link {
    width: 100%;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    white-space: normal;
    text-align: left;
  }

  .page-disclaimer .terms-clause {
    scroll-margin-top: 118px;
  }

  .page-disclaimer .terms-cta__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-toc__link,
  .page-disclaimer .accordion__trigger,
  .page-disclaimer .accordion__trigger::after {
    transition: none;
  }
}