/* ============================================================
   使用说明  /instructions/  —  作用域：.page-disclaimer
   ============================================================ */

.page-disclaimer {
  --pg-hair: rgba(30, 44, 68, 0.85);
  --pg-paper-edge: #D8CFBC;
  --pg-doc-max: 56rem;
  position: relative;
  background: var(--void);
  color: var(--ice);
  overflow-x: hidden;
}

.page-disclaimer .pg-anchor-top {
  display: block;
  height: 0;
  overflow: hidden;
  scroll-margin-top: 96px;
}

/* —— 顶部区域 —— */
.page-disclaimer .pg-head {
  position: relative;
  isolation: isolate;
  padding: clamp(22px, 4vw, 46px) 0 clamp(26px, 4vw, 48px);
}

.page-disclaimer .pg-head::before {
  content: "";
  position: absolute;
  inset: -30% -8% auto -8%;
  height: 175%;
  background-image: radial-gradient(circle at 1px 1px, var(--grid) 1px, transparent 0);
  background-size: 24px 24px;
  opacity: 0.75;
  z-index: -2;
  -webkit-mask-image: radial-gradient(125% 80% at 22% 8%, #000 0%, transparent 72%);
  mask-image: radial-gradient(125% 80% at 22% 8%, #000 0%, transparent 72%);
  pointer-events: none;
}

.page-disclaimer .pg-head::after {
  content: "";
  position: absolute;
  top: -180px;
  left: -140px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(39, 224, 208, 0.14), transparent 68%);
  z-index: -1;
  pointer-events: none;
}

.page-disclaimer .pg-crumb {
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

.page-disclaimer .pg-crumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-disclaimer .pg-crumb li {
  color: var(--mist);
}

.page-disclaimer .pg-crumb li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--grid);
}

.page-disclaimer .pg-crumb a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-disclaimer .pg-crumb [aria-current="page"] {
  color: var(--cyan);
}

/* —— 封面式导语 —— */
.page-disclaimer .pg-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 42px);
  align-items: end;
}

.page-disclaimer .pg-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  border-left: 2px solid var(--orange);
  padding-left: 10px;
}

.page-disclaimer h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0.05em;
  color: var(--paper);
  margin: 16px 0 0;
  max-width: 18em;
}

.page-disclaimer .pg-lead {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--ice);
  max-width: 38em;
}

.page-disclaimer .pg-hero__fig {
  margin: 0;
}

.page-disclaimer .pg-hero__frame {
  position: relative;
  border: 1px solid var(--grid);
  background: var(--ink);
  overflow: hidden;
}

.page-disclaimer .pg-hero__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .pg-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(39, 224, 208, 0.11) 0%, rgba(7, 11, 20, 0.38) 100%);
  pointer-events: none;
}

.page-disclaimer .pg-hero__fig figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist);
  line-height: 1.7;
}

/* —— 正文 —— */
.page-disclaimer .pg-body {
  padding: 0 0 clamp(44px, 6vw, 86px);
}

.page-disclaimer .pg-doc {
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--pg-paper-edge);
  box-shadow: 0 34px 62px -44px rgba(0, 0, 0, 0.9);
  padding: clamp(22px, 4.2vw, 58px) clamp(18px, 4vw, 54px);
  max-width: var(--pg-doc-max);
  margin: 0 auto;
}

.page-disclaimer .pg-sec {
  padding: clamp(22px, 3.2vw, 36px) 0;
  border-top: 1px solid var(--pg-paper-edge);
  scroll-margin-top: 96px;
}

.page-disclaimer .pg-sec:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .pg-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-disclaimer .pg-sec__num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan-deep);
  background: rgba(39, 224, 208, 0.2);
  border-left: 3px solid var(--cyan);
  padding: 3px 9px;
}

.page-disclaimer .pg-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.7vw, 28px);
  line-height: 1.28;
  letter-spacing: 0.05em;
  color: var(--ink-text);
}

.page-disclaimer .pg-sec__title a {
  color: inherit;
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-disclaimer .pg-sec__title a:hover,
.page-disclaimer .pg-sec__title a:focus-visible {
  color: var(--cyan-deep);
}

.page-disclaimer .pg-doc p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.88;
  color: var(--ink-text);
  max-width: 46em;
}

.page-disclaimer .pg-doc p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .pg-doc a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-disclaimer .pg-doc a:hover,
.page-disclaimer .pg-doc a:focus-visible {
  color: var(--orange-deep);
}

/* —— 约定提示块 —— */
.page-disclaimer .pg-note {
  margin: 18px 0 4px;
  padding: 16px 20px 16px 18px;
  background: var(--paper-2);
  border-left: 3px solid var(--orange);
}

.page-disclaimer .pg-note--warn {
  border-left-color: var(--magenta);
}

.page-disclaimer .pg-note__label {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--orange-deep);
  margin-bottom: 8px;
}

.page-disclaimer .pg-note--warn .pg-note__label {
  color: #A81B58;
}

.page-disclaimer .pg-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  max-width: 44em;
}

.page-disclaimer .pg-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-disclaimer .pg-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-text);
}

.page-disclaimer .pg-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 8px;
  height: 8px;
  transform: rotate(45deg);
  background: rgba(39, 224, 208, 0.45);
  border: 1px solid var(--cyan-deep);
}

/* —— 外部页面标记 —— */
.page-disclaimer .pg-ext {
  display: inline-block;
  vertical-align: -1px;
  margin: 0 2px;
  color: var(--orange-deep);
}

/* —— 纠错格式块 —— */
.page-disclaimer .pg-fix {
  margin: 20px 0 18px;
  padding: 16px 18px;
  background: var(--paper-2);
  border-top: 2px solid var(--cyan-deep);
}

.page-disclaimer .pg-fix__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-disclaimer .pg-fix__label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
}

.page-disclaimer .pg-fix__btn {
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 7px 14px;
  cursor: pointer;
}

.page-disclaimer .pg-fix__line {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--ink-text);
  word-break: break-word;
}

/* —— 文末脚注 —— */
.page-disclaimer .pg-doc__foot {
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 18px;
  border-top: 1px dashed var(--pg-paper-edge);
  text-align: right;
}

.page-disclaimer .pg-totop {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer .pg-totop:hover,
.page-disclaimer .pg-totop:focus-visible {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

/* —— 延伸引导 —— */
.page-disclaimer .pg-cta {
  max-width: var(--pg-doc-max);
  margin: clamp(26px, 4vw, 46px) auto 0;
  padding: clamp(22px, 3.6vw, 40px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  background: var(--ink);
  border: 1px solid var(--grid);
  border-left: 3px solid var(--cyan);
}

.page-disclaimer .pg-cta__label {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--orange);
  margin-bottom: 10px;
}

.page-disclaimer .pg-cta h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.25;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-disclaimer .pg-cta p {
  margin: 0;
  font-size: clamp(14.5px, 1.55vw, 16px);
  line-height: 1.85;
  color: var(--ice);
  max-width: 40em;
}

.page-disclaimer .pg-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* —— 断点：宽屏 —— */
@media (min-width: 760px) {
  .page-disclaimer .pg-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 30px;
  }

  .page-disclaimer .pg-cta__acts {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 960px) {
  .page-disclaimer .pg-hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }
}

/* —— 减少动态 —— */
@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .pg-crumb a,
  .page-disclaimer .pg-sec__title a,
  .page-disclaimer .pg-totop,
  .page-disclaimer .pg-doc a {
    transition: none;
  }
}