/* ===== 使用说明 / disclaimer ===== */
.page-disclaimer {
  --disc-line: 1px solid var(--silver);
  --disc-numcol: 84px;
  --disc-pad: clamp(30px, 4.2vw, 58px);
  background: var(--paper);
  color: var(--ink);
}

.page-disclaimer [id^="clause-"] {
  scroll-margin-top: calc(var(--frame-h) + 20px);
}

.page-disclaimer .crumb {
  padding: clamp(14px, 2vw, 24px) 0 0;
}

/* ---------- 首屏 ---------- */
.disc-hero {
  padding: clamp(16px, 2.2vw, 28px) 0 clamp(30px, 4vw, 58px);
}

.disc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.4vw, 48px);
  align-items: end;
  border-top: 2px solid var(--green);
  padding-top: clamp(18px, 2.6vw, 34px);
}

.disc-hero__lead {
  min-width: 0;
}

.disc-hero__lead h1 {
  margin: .36em 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 7.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
}

.disc-hero__dek {
  max-width: 34em;
  margin: clamp(14px, 1.8vw, 22px) 0 0;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: var(--ink);
}

.disc-hero__keys {
  list-style: none;
  margin: clamp(20px, 2.8vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--disc-line);
}

.disc-hero__keys a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 10px 11px 0;
  border-bottom: var(--disc-line);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.disc-hero__keys a:hover,
.disc-hero__keys a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

.disc-hero__keys .num {
  flex: none;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green);
}

.disc-hero__figure {
  margin: 0;
  min-width: 0;
}

.disc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--silver);
}

.disc-hero__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink);
  opacity: .62;
}

/* ---------- 横向时间条 ---------- */
.disc-time {
  padding: clamp(22px, 3vw, 34px) 0;
  background: var(--blue-soft);
  border-top: 1px solid var(--silver);
  border-bottom: 1px solid var(--silver);
}

.disc-time__cap {
  margin: 0 0 clamp(16px, 2vw, 24px);
  color: var(--blue-deep);
}

.disc-time__rail {
  position: relative;
  display: grid;
  gap: 18px;
}

.disc-time__node {
  position: relative;
  display: block;
  padding-top: 26px;
  color: var(--ink);
  text-decoration: none;
}

.disc-time__dot {
  position: absolute;
  left: 0;
  top: 3px;
  width: 13px;
  height: 13px;
  border: 2px solid var(--green);
  background: var(--orange);
}

.disc-time__t {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--blue-deep);
  transition: color var(--t-fast);
}

.disc-time__s {
  display: block;
  margin-top: 6px;
  max-width: 30em;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
  opacity: .78;
}

.disc-time__node:hover .disc-time__t,
.disc-time__node:focus-visible .disc-time__t {
  color: var(--green);
}

@media (min-width: 760px) {
  .disc-time__rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(20px, 4vw, 56px);
  }

  .disc-time__rail::before {
    content: "";
    position: absolute;
    left: 6px;
    right: 6px;
    top: 9px;
    height: 1px;
    background: var(--green);
    opacity: .45;
  }

  .disc-time__node {
    padding-top: 30px;
  }
}

/* ---------- 条款区块 ---------- */
.disc-clause {
  padding: var(--disc-pad) 0;
  border-bottom: var(--disc-line);
}

.disc-clause__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.disc-clause__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--green);
}

.disc-clause__body {
  min-width: 0;
}

.disc-clause__body h2 {
  margin: 0 0 .62em;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-disclaimer .disc-clause .prose {
  max-width: 40em;
  font-size: clamp(15px, 1.1vw, 16.5px);
  line-height: 1.88;
}

.page-disclaimer .disc-clause .prose p {
  margin: 0 0 1.05em;
}

.page-disclaimer .disc-clause .prose p:last-child {
  margin-bottom: 0;
}

.disc-clause__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

@media (min-width: 880px) {
  .disc-clause__grid {
    grid-template-columns: var(--disc-numcol) minmax(0, 1fr);
    gap: clamp(22px, 3vw, 52px);
  }

  .disc-clause__idx {
    text-align: right;
    padding-top: .55em;
  }
}

/* ---------- 差异记录表 ---------- */
.disc-table-wrap {
  margin-top: clamp(18px, 2.4vw, 28px);
  border: var(--disc-line);
  overflow-x: auto;
}

.disc-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  background: var(--paper);
  font-size: 14px;
}

.disc-table caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink);
  opacity: .7;
  border-bottom: var(--disc-line);
}

.disc-table thead th {
  padding: 11px 14px;
  background: var(--green);
  color: var(--paper);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .08em;
  text-align: left;
  white-space: nowrap;
}

.disc-table tbody th,
.disc-table tbody td {
  padding: 12px 14px;
  border-bottom: var(--disc-line);
  vertical-align: top;
  text-align: left;
  line-height: 1.65;
}

.disc-table tbody th {
  font-weight: 700;
  color: var(--blue-deep);
  white-space: nowrap;
}

.disc-table tbody tr:nth-child(even) th,
.disc-table tbody tr:nth-child(even) td {
  background: var(--green-soft);
}

.disc-table tbody tr:hover th,
.disc-table tbody tr:hover td {
  background: var(--blue-soft);
}

.disc-table tbody tr:last-child th,
.disc-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 深色口径要点区 ---------- */
.page-disclaimer .disc-misread .data-band {
  padding: clamp(30px, 4.4vw, 58px) 0 clamp(26px, 3.6vw, 46px);
}

.page-disclaimer .disc-misread .section-label {
  margin: 0;
  color: var(--orange);
  opacity: 1;
}

.disc-misread__title {
  margin: .42em 0 clamp(18px, 2.4vw, 30px);
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper);
}

.disc-misread__list {
  border-top: 1px solid rgba(246, 247, 244, .22);
}

.disc-mm {
  border-bottom: 1px solid rgba(246, 247, 244, .22);
}

.disc-mm summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

.disc-mm summary::-webkit-details-marker {
  display: none;
}

.disc-mm__n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange);
}

.disc-mm__q {
  font-size: clamp(15px, 1.5vw, 17.5px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: color var(--t-fast);
}

.disc-mm__ic {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--silver);
}

.disc-mm__ic::before {
  content: "+";
}

.disc-mm[open] .disc-mm__ic::before {
  content: "–";
}

.disc-mm summary:hover .disc-mm__q,
.disc-mm summary:focus-visible .disc-mm__q {
  color: var(--orange);
}

.disc-mm__a {
  padding: 0 0 18px;
}

.disc-mm__a p {
  margin: 0;
  padding-left: 34px;
  max-width: 46em;
  font-size: 14.5px;
  line-height: 1.88;
  color: rgba(246, 247, 244, .84);
}

/* ---------- 不提供服务清单 ---------- */
.disc-stop {
  list-style: none;
  margin: clamp(16px, 2.2vw, 26px) 0 0;
  padding: 0;
  max-width: 46em;
  border-top: var(--disc-line);
}

.disc-stop li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--disc-line);
}

@media (min-width: 700px) {
  .disc-stop li {
    grid-template-columns: 12em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

.disc-stop__k {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.disc-stop__k::before {
  content: "×";
  margin-right: .6em;
  font-family: var(--font-mono);
  color: var(--orange);
}

.disc-stop__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  opacity: .82;
}

/* ---------- 页尾相关入口 ---------- */
.disc-close {
  padding: clamp(30px, 4vw, 54px) 0 clamp(40px, 5vw, 70px);
  background: var(--blue-deep);
  border-top: 2px solid var(--orange);
}

.disc-close__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
}

@media (min-width: 860px) {
  .disc-close__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-disclaimer .disc-close .section-label {
  color: var(--silver);
  opacity: 1;
}

.disc-close__links {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid rgba(246, 247, 244, .22);
}

.disc-close__links li {
  border-bottom: 1px solid rgba(246, 247, 244, .22);
}

.disc-close__links a {
  display: block;
  padding: 12px 0;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--t-fast);
}

.disc-close__links a:hover,
.disc-close__links a:focus-visible {
  color: var(--orange);
}

.disc-close__note {
  margin: 0;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(246, 247, 244, .84);
}

.disc-close__legal {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer * {
    transition: none;
  }
}