.page-disclaimer {
  --disc-cut: 56px;
  --disc-accent: var(--orange);
  --disc-pad: clamp(44px, 8vw, 92px);
  background: var(--paper);
  color: var(--graphite);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .terms-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(120% 95% at 88% -10%, rgba(61, 242, 196, 0.16), transparent 58%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 72%);
  padding: calc(var(--header-h) + 26px) 0 calc(var(--disc-cut) + 58px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--disc-cut)));
}

.page-disclaimer .terms-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(154, 201, 188, 0.075) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(154, 201, 188, 0.075) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.page-disclaimer .terms-hero__inner {
  position: relative;
  z-index: 1;
}

.page-disclaimer .terms-crumb {
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-disclaimer .terms-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-disclaimer .terms-hero .breadcrumb li {
  color: var(--mist);
}

.page-disclaimer .terms-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .terms-hero .breadcrumb a:hover,
.page-disclaimer .terms-hero .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-disclaimer .terms-hero .breadcrumb [aria-current="page"] {
  color: var(--white);
}

.page-disclaimer .terms-hero .index-label {
  display: block;
  margin: 0;
  color: var(--cyan);
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
}

.page-disclaimer .terms-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-disclaimer .terms-hero__title {
  margin: 16px 0 0;
  font-size: clamp(40px, 9.2vw, 104px);
  font-weight: 200;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--white);
}

.page-disclaimer .terms-hero__title .display-accent {
  display: inline-block;
  font-weight: 900;
  font-style: italic;
  color: var(--cyan);
  letter-spacing: -0.045em;
}

.page-disclaimer .terms-hero__lede {
  margin: 22px 0 0;
  max-width: 48ch;
  color: var(--mist);
  font-size: clamp(15px, 2.1vw, 17.5px);
  line-height: 1.8;
}

.page-disclaimer .terms-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-disclaimer .terms-hero__visual {
  position: relative;
  align-self: end;
}

.page-disclaimer .terms-figure {
  margin: 0;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: var(--ink);
  overflow: hidden;
}

.page-disclaimer .terms-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-disclaimer .terms-seal {
  position: absolute;
  right: 6px;
  bottom: -26px;
  width: clamp(86px, 17vw, 124px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(7, 26, 23, 0.82);
}

.page-disclaimer .terms-seal svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .terms-toc {
  background: var(--sand);
  border-top: 1px solid var(--line-paper);
  border-bottom: 1px solid var(--line-paper);
}

.page-disclaimer .terms-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-disclaimer .terms-toc__label {
  flex: none;
  display: none;
  color: var(--graphite);
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  opacity: 0.7;
}

.page-disclaimer .terms-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-disclaimer .terms-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line-paper);
  color: var(--graphite);
  font-size: 13px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .terms-toc__list a:hover,
.page-disclaimer .terms-toc__list a:focus-visible {
  background: var(--ink-2);
  border-color: var(--ink-2);
  color: var(--cyan);
}

.page-disclaimer .terms-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
  letter-spacing: 0.04em;
}

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

/* ---------- 条款区块 ---------- */
.page-disclaimer .clause {
  padding: var(--disc-pad) 0;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-disclaimer .clause--paper {
  --disc-accent: var(--orange);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(90deg, rgba(35, 58, 52, 0.045) 0 1px, transparent 1px 108px);
  color: var(--graphite);
}

.page-disclaimer .clause--ink {
  --disc-accent: var(--cyan);
  background-color: var(--ink);
  color: var(--white);
}

.page-disclaimer .clause__inner {
  display: grid;
  gap: 18px;
}

.page-disclaimer .clause__marker {
  position: relative;
}

.page-disclaimer .clause__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5.4vw, 50px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--disc-accent);
}

.page-disclaimer .clause__marker::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 14px;
  background-image: repeating-linear-gradient(to right, currentColor 0 1px, transparent 1px 9px);
  opacity: 0.4;
}

.page-disclaimer .clause__title {
  margin: 0 0 18px;
  font-size: clamp(23px, 3.6vw, 36px);
  font-weight: 300;
  line-height: 1.34;
  letter-spacing: -0.015em;
}

.page-disclaimer .clause__content p {
  margin: 0 0 16px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.86;
}

.page-disclaimer .clause__content p a {
  color: var(--disc-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-disclaimer .clause__content p a:hover,
.page-disclaimer .clause__content p a:focus-visible {
  opacity: 0.75;
}

.page-disclaimer .terms-list {
  display: grid;
  gap: 13px;
  margin: 0 0 8px;
  padding: 0;
  max-width: 68ch;
  list-style: none;
}

.page-disclaimer .terms-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15.5px;
  line-height: 1.82;
}

.page-disclaimer .terms-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 14px;
  height: 1px;
  background: var(--disc-accent);
}

.page-disclaimer .terms-list li a {
  color: var(--disc-accent);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-disclaimer .terms-list li a:hover,
.page-disclaimer .terms-list li a:focus-visible {
  opacity: 0.75;
}

.page-disclaimer .clause--ink .clause__content,
.page-disclaimer .clause--ink .terms-list li {
  color: var(--white);
}

/* 数据条 */
.page-disclaimer .terms-metrics {
  display: grid;
  gap: 1px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  background: var(--line-paper);
  border: 1px solid var(--line-paper);
}

.page-disclaimer .terms-metrics .stat {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  background: var(--paper);
}

.page-disclaimer .terms-metrics .stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 4.4vw, 38px);
  font-weight: 600;
  line-height: 1;
  color: var(--graphite);
  letter-spacing: -0.02em;
}

.page-disclaimer .terms-metrics .stat__label {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--graphite);
  opacity: 0.72;
}

.page-disclaimer .terms-metrics .stat:nth-child(2) .stat__value {
  color: var(--violet);
}

.page-disclaimer .terms-metrics .stat:nth-child(3) .stat__value {
  color: var(--orange);
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .terms-contact {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-paper);
}

.page-disclaimer .terms-contact .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-paper);
}

.page-disclaimer .terms-contact .contact-label {
  flex: none;
  width: 78px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-disclaimer .terms-contact .contact-value {
  flex: 1 1 180px;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--graphite);
}

.page-disclaimer .terms-contact .copy-btn {
  flex: none;
  padding: 4px 11px;
  border: 1px solid var(--line-paper);
  background: transparent;
  color: var(--graphite);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-disclaimer .terms-contact .copy-btn:hover,
.page-disclaimer .terms-contact .copy-btn:focus-visible {
  background: var(--ink-2);
  border-color: var(--ink-2);
  color: var(--cyan);
}

.page-disclaimer .terms-contact .copy-btn.is-copied {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-disclaimer .terms-contact__more {
  margin-top: 22px;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-disclaimer .terms-contact__more a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 补充约定 ---------- */
.page-disclaimer .terms-more {
  background: var(--sand);
  border-top: 1px solid var(--line-paper);
  padding: var(--disc-pad) 0 calc(var(--disc-pad) + 16px);
}

.page-disclaimer .terms-more .index-label {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--graphite);
  opacity: 0.7;
}

.page-disclaimer .terms-more__title {
  margin: 0 0 26px;
  font-size: clamp(24px, 3.8vw, 38px);
  font-weight: 300;
  letter-spacing: -0.015em;
  line-height: 1.3;
  color: var(--graphite);
}

.page-disclaimer .terms-accordion .accordion__item {
  border-top: 1px solid var(--line-paper);
}

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

.page-disclaimer .terms-accordion .accordion__summary {
  position: relative;
  padding: 16px 40px 16px 0;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--graphite);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .terms-accordion .accordion__summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .terms-accordion .accordion__summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--orange);
  transition: transform var(--dur) var(--ease);
}

.page-disclaimer .terms-accordion .accordion__item[open] .accordion__summary::after {
  content: "−";
}

.page-disclaimer .terms-accordion .accordion__summary:hover,
.page-disclaimer .terms-accordion .accordion__summary:focus-visible {
  color: var(--ink);
}

.page-disclaimer .terms-accordion .accordion__body {
  padding: 0 0 18px;
}

.page-disclaimer .terms-accordion .accordion__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--graphite);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .terms-toc__label {
    display: inline-block;
  }

  .page-disclaimer .terms-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-disclaimer .terms-contact .contact-label {
    width: 96px;
  }
}

@media (min-width: 900px) {
  .page-disclaimer .clause__inner {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 44px;
  }

  .page-disclaimer .clause__marker {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .terms-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-disclaimer .terms-hero__visual {
    margin-top: 12px;
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .clause__inner {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 64px;
  }

  .page-disclaimer .clause__content p,
  .page-disclaimer .terms-list li {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .terms-toc__list a,
  .page-disclaimer .terms-contact .copy-btn,
  .page-disclaimer .terms-accordion .accordion__summary::after {
    transition: none;
  }
}
</main>