/* ===== 使用说明页 ===== */
.page-disclaimer {
  --pd-ink-soft: rgba(13, 23, 38, .78);
  --pd-ink-faint: rgba(13, 23, 38, .56);
  --pd-line: rgba(13, 23, 38, .14);
  --pd-gold-line: rgba(201, 162, 74, .42);
  background: var(--c-navy);
  color: var(--c-paper);
  overflow-x: hidden;
}

/* --- 首屏 --- */
.page-disclaimer .pd-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 4vw, 40px) 0 clamp(42px, 7vw, 84px);
  background: linear-gradient(155deg, var(--c-navy-2) 0%, var(--c-navy) 50%, var(--c-ink) 100%);
  overflow: hidden;
}

.page-disclaimer .pd-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -24%;
  right: -16%;
  width: min(60vw, 660px);
  aspect-ratio: 1 / 1;
  border-radius: 46% 54% 62% 38% / 54% 42% 58% 46%;
  background: radial-gradient(circle at 38% 34%, rgba(232, 201, 122, .26), rgba(200, 50, 43, .18) 58%, rgba(200, 50, 43, 0) 74%);
  pointer-events: none;
}

.page-disclaimer .pd-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -10%;
  bottom: -34%;
  width: min(48vw, 470px);
  aspect-ratio: 1 / 1;
  border-radius: 58% 42% 40% 60% / 44% 58% 42% 56%;
  background: radial-gradient(circle at 60% 40%, rgba(200, 50, 43, .22), rgba(200, 50, 43, 0) 70%);
  pointer-events: none;
}

.page-disclaimer .pd-hero-slash {
  position: absolute;
  z-index: -1;
  top: 20%;
  left: 34%;
  width: 140%;
  height: 2px;
  transform: rotate(-7deg);
  background: linear-gradient(90deg, rgba(201, 162, 74, 0) 0%, rgba(201, 162, 74, .5) 22%, rgba(200, 50, 43, .48) 62%, rgba(201, 162, 74, 0) 100%);
  pointer-events: none;
}

.page-disclaimer .pd-hero .breadcrumb {
  margin-bottom: clamp(16px, 3vw, 28px);
  color: rgba(244, 233, 216, .6);
}

.page-disclaimer .pd-hero .breadcrumb a {
  color: rgba(244, 233, 216, .68);
  text-decoration: none;
}

.page-disclaimer .pd-hero .breadcrumb a:hover,
.page-disclaimer .pd-hero .breadcrumb a:focus-visible {
  color: var(--c-gold-2);
}

.page-disclaimer .pd-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(14px, 2.4vw, 20px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--c-gold-2);
}

.page-disclaimer .pd-kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--c-vermilion);
}

.page-disclaimer .pd-hero h1 {
  margin: 0 0 clamp(16px, 3vw, 24px);
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(31px, 6vw, 62px);
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--c-paper);
}

.page-disclaimer .pd-hero-lead {
  margin: 0 0 clamp(22px, 4vw, 34px);
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: var(--step-1);
  line-height: 1.8;
  color: rgba(244, 233, 216, .82);
}

.page-disclaimer .pd-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-hero-facts li {
  position: relative;
  padding-left: 18px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .06em;
  color: var(--c-gold-2);
}

.page-disclaimer .pd-hero-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-vermilion);
  box-shadow: 0 0 0 3px rgba(200, 50, 43, .18);
}

/* --- 左右分屏骨架 --- */
.page-disclaimer .pd-shell {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(44px, 8vw, 92px);
}

@media (min-width: 1000px) {
  .page-disclaimer .pd-shell {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }
}

/* --- 左侧章节索引 --- */
.page-disclaimer .pd-index-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pd-gold-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--c-gold);
}

.page-disclaimer .pd-index-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-index-list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid rgba(201, 162, 74, .26);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(244, 233, 216, .78);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-disclaimer .pd-index-list a:hover,
.page-disclaimer .pd-index-list a:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-gold);
  background: rgba(201, 162, 74, .12);
}

.page-disclaimer .pd-index-no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-disclaimer .pd-index-note {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--c-vermilion);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: rgba(244, 233, 216, .05);
}

.page-disclaimer .pd-index-note p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.72;
  color: rgba(244, 233, 216, .68);
}

@media (min-width: 1000px) {
  .page-disclaimer .pd-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-disclaimer .pd-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-disclaimer .pd-index-list li + li {
    border-top: 1px solid rgba(201, 162, 74, .14);
  }

  .page-disclaimer .pd-index-list a {
    width: 100%;
    padding: 12px 6px 12px 0;
    border: 0;
    border-radius: 0;
    transition: color .2s var(--ease), padding-left .2s var(--ease);
  }

  .page-disclaimer .pd-index-list a:hover,
  .page-disclaimer .pd-index-list a:focus-visible {
    padding-left: 8px;
    background: transparent;
    color: var(--c-gold-2);
  }
}

/* --- 右侧连续纸面 --- */
.page-disclaimer .pd-canvas {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 62px) clamp(20px, 4.5vw, 62px);
  border-radius: var(--radius-l);
  background: var(--c-paper);
  color: var(--c-navy);
  box-shadow: 0 34px 90px rgba(3, 8, 16, .48);
}

.page-disclaimer .pd-canvas::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--c-vermilion), var(--c-gold) 46%, rgba(201, 162, 74, 0) 100%);
  pointer-events: none;
}

.page-disclaimer .pd-section + .pd-section {
  margin-top: clamp(30px, 5vw, 56px);
  padding-top: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--pd-line);
}

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

.page-disclaimer .pd-no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--c-vermilion);
}

.page-disclaimer .pd-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-2);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--c-navy);
}

.page-disclaimer .pd-section h3 {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--c-navy);
}

.page-disclaimer .pd-section p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.78;
  color: var(--pd-ink-soft);
}

.page-disclaimer .pd-section p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .pd-link-ink {
  color: var(--c-vermilion);
  text-decoration: underline;
  text-decoration-color: rgba(200, 50, 43, .4);
  text-underline-offset: 3px;
}

.page-disclaimer .pd-link-ink:hover,
.page-disclaimer .pd-link-ink:focus-visible {
  color: var(--c-vermilion-2);
  text-decoration-color: var(--c-vermilion-2);
}

.page-disclaimer .pd-link-gold {
  color: var(--c-gold-2);
  text-decoration: underline;
  text-decoration-color: rgba(232, 201, 122, .5);
  text-underline-offset: 3px;
}

.page-disclaimer .pd-link-gold:hover,
.page-disclaimer .pd-link-gold:focus-visible {
  color: var(--c-paper);
  text-decoration-color: var(--c-paper);
}

/* --- 步骤序列 --- */
.page-disclaimer .pd-steps {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-steps li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-top: 1px dashed rgba(13, 23, 38, .18);
}

.page-disclaimer .pd-steps li:first-child {
  padding-top: 4px;
  border-top: 0;
}

.page-disclaimer .pd-step-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-disclaimer .pd-steps p {
  margin: 0;
  max-width: 64ch;
}

@media (min-width: 720px) {
  .page-disclaimer .pd-steps li {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-disclaimer .pd-step-num {
    padding-top: 5px;
  }
}

/* --- 深色标签面板 --- */
.page-disclaimer .pd-panel-dark {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: clamp(20px, 3.6vw, 34px);
  border: 1px solid var(--pd-gold-line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, var(--c-navy-2), var(--c-navy) 72%);
  color: var(--c-paper);
}

.page-disclaimer .pd-panel-dark::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -70px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 74, .22), rgba(201, 162, 74, 0) 68%);
  pointer-events: none;
}

.page-disclaimer .pd-panel-eyebrow {
  position: relative;
  z-index: 1;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--c-gold-2);
}

.page-disclaimer .pd-panel-dark h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 16px;
  color: var(--c-paper);
}

.page-disclaimer .pd-panel-dark p {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  max-width: 64ch;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(244, 233, 216, .74);
}

.page-disclaimer .pd-chip-grid {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .pd-chip-grid li {
  padding: 6px 12px;
  border: 1px solid rgba(201, 162, 74, .34);
  border-radius: 999px;
  background: rgba(201, 162, 74, .07);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(244, 233, 216, .88);
}

/* --- 示意图 --- */
.page-disclaimer .pd-figure {
  margin: clamp(30px, 5vw, 54px) 0;
}

.page-disclaimer .pd-figure .media-frame {
  border-radius: var(--radius-m);
}

.page-disclaimer .pd-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-slate);
}

/* --- 联系信息表 --- */
.page-disclaimer .pd-contact {
  display: grid;
  gap: 1px;
  margin: 22px 0;
  border: 1px solid var(--pd-line);
  border-radius: var(--radius-m);
  background: var(--pd-line);
  overflow: hidden;
}

.page-disclaimer .pd-contact-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--c-paper-2);
}

.page-disclaimer .pd-contact-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--c-slate);
}

.page-disclaimer .pd-contact-value {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--c-navy);
  word-break: break-word;
}

/* --- 收尾入口 --- */
.page-disclaimer .pd-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 4vw, 38px);
  padding: clamp(26px, 4.6vw, 48px);
  border: 1px solid var(--pd-gold-line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, var(--c-navy-3), var(--c-navy) 62%, var(--c-ink));
  color: var(--c-paper);
}

.page-disclaimer .pd-cta::before {
  content: "";
  position: absolute;
  top: -42%;
  right: -8%;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 50, 43, .3), rgba(200, 50, 43, 0) 68%);
  pointer-events: none;
}

.page-disclaimer .pd-cta h2 {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  max-width: 26ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-3);
  line-height: 1.26;
  color: var(--c-paper);
}

.page-disclaimer .pd-cta-text {
  position: relative;
  z-index: 1;
  margin: 0 0 24px;
  max-width: 60ch;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.76;
  color: rgba(244, 233, 216, .78);
}

.page-disclaimer .pd-cta-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- 窄屏微调 --- */
@media (max-width: 560px) {
  .page-disclaimer .pd-heading {
    flex-direction: column;
    gap: 6px;
  }

  .page-disclaimer .pd-contact-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-disclaimer .pd-hero-slash {
    display: none;
  }
}