/* ============================================
   使用条款 /terms/ —— 页面专属样式
   作用域：.page-disclaimer
   ============================================ */

.page-disclaimer {
  --pd-cut: 16px;
  --pd-rule: rgba(31, 90, 67, 0.85);
  --pd-rule-soft: rgba(31, 90, 67, 0.5);
  --pd-pad-x: clamp(1rem, 3.2vw, 1.75rem);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-disclaimer .terms-hero {
  position: relative;
  padding-top: clamp(1rem, 3vw, 2rem);
  background:
    repeating-linear-gradient(115deg, rgba(31, 90, 67, 0.14) 0 1px, transparent 1px 68px),
    linear-gradient(180deg, var(--g900) 0%, var(--g900) 62%, var(--ink) 100%);
  overflow: hidden;
}

.page-disclaimer .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .pd-crumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--g700);
}

.page-disclaimer .pd-crumb a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-disclaimer .pd-crumb a:hover,
.page-disclaimer .pd-crumb a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-disclaimer .terms-hero-top {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: clamp(1.75rem, 5vw, 3rem) clamp(2rem, 5vw, 3.25rem);
}

.page-disclaimer .terms-hero-lead .section-label {
  display: block;
  margin-bottom: 0.9rem;
}

.page-disclaimer .terms-hero-lead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.05rem, 6.6vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-disclaimer .terms-lede {
  max-width: 46ch;
  margin: clamp(1rem, 3vw, 1.4rem) 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1rem, 2.1vw, 1.15rem);
  line-height: 1.82;
  color: var(--white);
}

.page-disclaimer .terms-sub {
  max-width: 52ch;
  margin: 0.9rem 0 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--mist);
}

/* 首屏速览卡 */

.page-disclaimer .terms-facts {
  align-self: end;
  border-top: 3px solid var(--lime);
  background: linear-gradient(170deg, var(--g800) 0%, var(--g900) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
  padding: clamp(1.1rem, 3vw, 1.5rem) clamp(1rem, 3vw, 1.4rem);
}

.page-disclaimer .terms-fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pd-rule-soft);
  border: 1px solid var(--pd-rule-soft);
}

.page-disclaimer .terms-fact {
  display: grid;
  gap: 0.25rem;
  padding: 0.75rem 0.8rem;
  background: var(--g900);
}

.page-disclaimer .terms-fact-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .terms-fact-value {
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .terms-fact-note {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 顶部斜线视觉 */

.page-disclaimer .terms-visual {
  margin: 0;
  position: relative;
  border-top: 1px solid var(--pd-rule);
}

.page-disclaimer .terms-visual::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: clamp(90px, 18vw, 220px);
  height: 5px;
  background: var(--lime);
}

.page-disclaimer .terms-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.03);
}

/* ---------- 条款正文布局 ---------- */

.page-disclaimer .terms-body {
  padding-top: clamp(2.25rem, 6vw, 4rem);
}

.page-disclaimer .terms-body [id] {
  scroll-margin-top: clamp(110px, 16vh, 152px);
}

.page-disclaimer .terms-layout {
  align-items: start;
  row-gap: clamp(2rem, 5vw, 3rem);
}

.page-disclaimer .terms-stream {
  display: grid;
  gap: clamp(0.9rem, 2.2vw, 1.35rem);
}

/* ---------- 切角条款面板 ---------- */

.page-disclaimer .term-card {
  position: relative;
  background: linear-gradient(158deg, var(--g800) 0%, var(--g900) 78%);
  clip-path: polygon(
    var(--pd-cut) 0,
    100% 0,
    100% calc(100% - var(--pd-cut)),
    calc(100% - var(--pd-cut)) 100%,
    0 100%,
    0 var(--pd-cut)
  );
  box-shadow: inset 0 0 0 1px var(--pd-rule);
  transition: box-shadow 180ms ease;
}

.page-disclaimer .term-card[open] {
  box-shadow: inset 0 0 0 1px var(--pd-rule), inset 3px 0 0 0 var(--lime);
}

.page-disclaimer .term-head {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr) 1rem;
  align-items: center;
  gap: 0.3rem 0.85rem;
  padding: clamp(1rem, 3vw, 1.45rem) var(--pd-pad-x);
  cursor: pointer;
  list-style: none;
  -webkit-tap-highlight-color: transparent;
}

.page-disclaimer .term-head::-webkit-details-marker {
  display: none;
}

.page-disclaimer .term-head:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -4px;
}

.page-disclaimer .term-num {
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  transition: color 180ms ease;
}

.page-disclaimer .term-card[open] .term-num {
  color: var(--lime);
}

.page-disclaimer .term-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2.6vw, 1.38rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
  transition: color 180ms ease;
}

.page-disclaimer .term-head:hover .term-title {
  color: var(--lime);
}

.page-disclaimer .term-caret {
  position: relative;
  justify-self: end;
  width: 13px;
  height: 13px;
}

.page-disclaimer .term-caret::before,
.page-disclaimer .term-caret::after {
  content: "";
  position: absolute;
  background: var(--mist);
  transition: transform 180ms ease, background 180ms ease;
}

.page-disclaimer .term-caret::before {
  left: 0;
  top: 5.5px;
  width: 13px;
  height: 2px;
}

.page-disclaimer .term-caret::after {
  left: 5.5px;
  top: 0;
  width: 2px;
  height: 13px;
}

.page-disclaimer .term-card[open] .term-caret::after {
  transform: scaleY(0);
}

.page-disclaimer .term-head:hover .term-caret::before,
.page-disclaimer .term-head:hover .term-caret::after {
  background: var(--lime);
}

.page-disclaimer .term-body {
  padding: 0 var(--pd-pad-x) clamp(1.1rem, 3vw, 1.6rem);
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-disclaimer .term-body p {
  margin: 0 0 0.85em;
}

.page-disclaimer .term-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .term-body strong {
  color: var(--white);
  font-weight: 600;
}

.page-disclaimer .term-body ul {
  display: grid;
  gap: 0.45em;
  margin: 0.6em 0 1em;
  padding: 0;
  list-style: none;
}

.page-disclaimer .term-body ul:last-child {
  margin-bottom: 0;
}

.page-disclaimer .term-body li {
  position: relative;
  padding-left: 1.15em;
}

.page-disclaimer .term-body li::before {
  content: "";
  position: absolute;
  left: 0.1em;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-disclaimer .contact-list {
  gap: 0.6em;
  margin-top: 0.85em;
}

.page-disclaimer .contact-list .num {
  color: var(--white);
  font-size: 0.92rem;
}

/* 引用格式示例块 */

.page-disclaimer .cite-sample {
  display: grid;
  gap: 0.15rem;
  margin: 1.1rem 0 1.2rem;
  padding: 0.95rem 1.1rem;
  background: var(--ink);
  border-left: 3px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.95;
  color: var(--white);
  overflow-x: auto;
}

.page-disclaimer .cite-sample-label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .cite-sample-line {
  display: block;
  white-space: nowrap;
}

/* ---------- 粘性目录 ---------- */

.page-disclaimer .terms-index {
  align-self: start;
}

.page-disclaimer .terms-index-inner {
  border-top: 3px solid var(--lime);
  background: var(--g800);
  padding: clamp(1rem, 3vw, 1.35rem) clamp(1rem, 3vw, 1.25rem);
}

.page-disclaimer .terms-index-list {
  display: grid;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-index-list li + li {
  border-top: 1px solid var(--pd-rule-soft);
}

.page-disclaimer .terms-index-list a {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.65rem 0;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 150ms ease, transform 150ms ease;
}

.page-disclaimer .terms-index-list a .num {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-disclaimer .terms-index-list a:hover,
.page-disclaimer .terms-index-list a:focus-visible {
  color: var(--lime);
  transform: translateX(2px);
}

.page-disclaimer .terms-index-list a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-disclaimer .terms-index-tip {
  margin: 0.9rem 0 0;
  font-size: 0.74rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-disclaimer .terms-index-title {
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--pd-rule);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-disclaimer .terms-related {
  display: grid;
  gap: 0.5rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .terms-related a {
  display: inline-block;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--pd-rule);
  padding-bottom: 2px;
  transition: color 150ms ease, border-color 150ms ease;
}

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

/* ---------- 能力边界带 ---------- */

.page-disclaimer .terms-boundary {
  margin-top: clamp(2.5rem, 7vw, 4.5rem);
  border-top: 1px solid var(--pd-rule);
  border-bottom: 1px solid var(--pd-rule);
  padding-block: clamp(2rem, 5.5vw, 3.25rem);
}

.page-disclaimer .terms-boundary .section-title {
  max-width: 22ch;
}

.page-disclaimer .terms-boundary-list {
  display: grid;
  gap: 1px;
  margin: clamp(1.2rem, 3.5vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--pd-rule-soft);
  border: 1px solid var(--pd-rule-soft);
}

.page-disclaimer .terms-boundary-list li {
  display: grid;
  gap: 0.5rem;
  padding: clamp(0.95rem, 3vw, 1.4rem);
  background: var(--g900);
}

.page-disclaimer .terms-boundary-list .num {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--alert);
}

.page-disclaimer .terms-boundary-list p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 可见性辅助 ---------- */

.page-disclaimer .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 动效（渐进增强） ---------- */

@media (prefers-reduced-motion: no-preference) {
  .page-disclaimer [data-reveal].is-visible {
    animation: pd-rise 480ms cubic-bezier(0.22, 0.61, 0.36, 1) both;
  }
}

@keyframes pd-rise {
  from {
    opacity: 0.001;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-disclaimer .terms-boundary-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-disclaimer .terms-hero-top {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: end;
  }

  .page-disclaimer .term-body {
    padding-left: calc(2.4rem + 0.85rem + var(--pd-pad-x));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .terms-index-inner {
    position: sticky;
    top: clamp(104px, 15vh, 128px);
  }
}

@media (max-width: 899px) {
  .page-disclaimer .terms-index {
    order: -1;
  }

  .page-disclaimer .terms-index-inner {
    border-top-width: 2px;
  }

  .page-disclaimer .terms-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.1rem;
  }

  .page-disclaimer .terms-index-list li + li {
    border-top: 0;
  }

  .page-disclaimer .terms-index-list li {
    border-bottom: 1px solid var(--pd-rule-soft);
  }
}

@media (max-width: 460px) {
  .page-disclaimer .terms-fact-list,
  .page-disclaimer .terms-index-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-disclaimer .term-head {
    grid-template-columns: 2.1rem minmax(0, 1fr) 0.9rem;
    gap: 0.25rem 0.65rem;
  }

  .page-disclaimer .cite-sample {
    font-size: 0.76rem;
  }
}
<<<END>>>