.page-faq {
  --faq-hair: 1px;
  --faq-shadow: 6px;
  display: block;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 48px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(114deg, rgba(227, 104, 60, 0.09) 0 2px, transparent 2px 19px),
    repeating-linear-gradient(114deg, rgba(224, 169, 60, 0.07) 0 2px, transparent 2px 47px);
  pointer-events: none;
}

.page-faq .faq-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  margin-top: 26px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(30px, 6.6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--warm);
  max-width: 22ch;
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.9;
  color: rgba(251, 246, 236, 0.86);
  max-width: 62ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: 1fr;
  border: var(--line) solid var(--ink-3);
  background: rgba(251, 246, 236, 0.05);
  margin: 0;
}

.page-faq .faq-fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: var(--line) solid var(--ink-3);
}

.page-faq .faq-fact:last-child {
  border-bottom: 0;
}

.page-faq .faq-fact dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-faq .faq-fact dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--green);
  line-height: 1.2;
}

/* ===== 检索方式 ===== */
.page-faq .faq-modes {
  padding: 46px 0 54px;
}

.page-faq .faq-modes__figure {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--line) solid var(--ink);
  background: var(--gray);
  box-shadow: var(--faq-shadow) var(--faq-shadow) 0 var(--ink-3);
  margin: 0 0 34px;
}

.page-faq .faq-modes__grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-mode {
  border: var(--line) solid var(--ink);
  background: var(--warm);
  box-shadow: var(--faq-shadow) var(--faq-shadow) 0 var(--sand);
  padding: 20px 18px 22px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-mode__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-faq .faq-mode__title {
  margin: 10px 0 0;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .faq-mode__use {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-3);
}

.page-faq .faq-mode__result {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--line) solid var(--gray);
  font-size: 15px;
  line-height: 1.85;
  color: var(--green-deep);
}

/* ===== 按批次号定位 ===== */
.page-faq .faq-locate {
  padding: 46px 0 54px;
}

.page-faq .faq-locate__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-demo {
  border: var(--line) solid var(--green);
  background: rgba(61, 220, 132, 0.07);
  padding: 18px 16px 20px;
}

.page-faq .faq-demo__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  border: var(--line) solid var(--ink-3);
  background: var(--ink-2);
  padding: 10px 14px;
}

.page-faq .faq-demo__input {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--green);
}

.page-faq .faq-demo__caret {
  display: block;
  width: 2px;
  height: 20px;
  background: var(--green);
  animation: faq-blink 1.1s steps(1, end) infinite;
}

@keyframes faq-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.page-faq .faq-demo__result {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-demo__result li {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: var(--faq-hair) dashed var(--ink-3);
}

.page-faq .faq-demo__result li:last-child {
  border-bottom: 0;
}

.page-faq .faq-demo__key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}

.page-faq .faq-demo__val {
  font-size: 16px;
  line-height: 1.75;
  color: var(--warm);
}

.page-faq .faq-locate__notes h3 {
  margin: 0 0 14px;
  font-size: 22px;
  line-height: 1.35;
  color: var(--warm);
}

.page-faq .faq-locate__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-locate__list li {
  position: relative;
  padding: 0 0 14px 26px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(251, 246, 236, 0.84);
}

.page-faq .faq-locate__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 10px;
  background: var(--red-bright);
}

.page-faq .faq-locate__more {
  margin: 6px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(251, 246, 236, 0.7);
}

.page-faq .faq-locate__more a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 常见问题折叠组 ===== */
.page-faq .faq-topics {
  padding: 46px 0 54px;
}

.page-faq .faq-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: var(--line) solid var(--ink);
  padding-bottom: 10px;
}

.page-faq .faq-tab {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  padding: 11px 16px;
  background: transparent;
  color: var(--ink-2);
  border: var(--line) solid var(--ink);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .faq-tab.is-active {
  background: var(--ink);
  color: var(--green);
}

.page-faq .faq-panel {
  display: none;
  padding-top: 26px;
}

.page-faq .faq-panel.is-active {
  display: block;
}

.page-faq .qa__item {
  border: var(--line) solid var(--ink);
  border-left: 6px solid var(--red);
  background: var(--warm);
  margin: 0 0 12px;
  padding: 0 16px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .qa__item[open] {
  border-left-color: var(--green);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-faq .qa__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 15px 34px 15px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
  border-bottom: var(--line) solid transparent;
}

.page-faq .qa__q::-webkit-details-marker {
  display: none;
}

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 15px;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--red);
  transition: transform 0.18s ease, color 0.18s ease;
}

.page-faq .qa__item[open] .qa__q {
  border-bottom-color: var(--gray);
}

.page-faq .qa__item[open] .qa__q::after {
  content: "－";
  color: var(--green-deep);
}

.page-faq .qa__a {
  padding: 14px 0 18px;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-3);
}

.page-faq .faq-shortcuts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: var(--line) solid var(--ink);
}

.page-faq .faq-shortcuts .tag {
  text-decoration: none;
}

/* ===== 更新后自查步骤 ===== */
.page-faq .faq-check {
  padding: 46px 0 54px;
}

.page-faq .faq-check__split {
  display: grid;
  gap: 34px;
}

.page-faq .faq-check__intro h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.22;
  color: var(--warm);
}

.page-faq .faq-check__intro p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(251, 246, 236, 0.82);
  max-width: 52ch;
}

.page-faq .faq-check__figure {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  margin-top: 24px;
  border: var(--line) solid var(--ink-3);
  background: var(--ink-2);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 50px;
  bottom: 0;
  width: 2px;
  background: var(--ink-3);
}

.page-faq .faq-step:last-child {
  padding-bottom: 0;
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--green);
  background: var(--ink-2);
  border: var(--line) solid var(--green);
}

.page-faq .faq-step__body h3 {
  margin: 6px 0 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--warm);
}

.page-faq .faq-step__body p {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(251, 246, 236, 0.8);
}

/* ===== 记录同步 ===== */
.page-faq .faq-sync {
  padding: 46px 0 54px;
}

.page-faq .faq-sync__grid {
  display: grid;
  gap: 16px;
}

.page-faq .faq-sync__card {
  border: var(--line) solid var(--ink);
  border-top: 8px solid var(--red);
  background: var(--warm);
  padding: 18px 16px 20px;
}

.page-faq .faq-sync__card h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  color: var(--ink);
}

.page-faq .faq-sync__card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-3);
}

.page-faq .faq-sync__checks {
  margin-top: 28px;
  padding: 20px 18px 22px;
  border: var(--line) solid var(--ink);
  background: var(--gray);
}

.page-faq .faq-sync__checks h3 {
  margin: 0 0 12px;
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-sync__checks ul {
  margin: 0;
  padding-left: 20px;
}

.page-faq .faq-sync__checks li {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-3);
  margin-bottom: 8px;
}

.page-faq .faq-sync__checks p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  border-top: var(--faq-hair) solid rgba(20, 23, 15, 0.25);
  padding-top: 14px;
}

/* ===== 没搜到结果 ===== */
.page-faq .faq-fallback {
  padding: 46px 0 54px;
}

.page-faq .faq-fallback__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line) solid var(--ink);
}

.page-faq .faq-fallback__list li {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: var(--faq-hair) solid rgba(20, 23, 15, 0.28);
}

.page-faq .faq-fallback__num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-faq .faq-fallback__list p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-3);
}

.page-faq .faq-fallback__contact {
  margin-top: 28px;
  border: var(--line) solid var(--green-deep);
  background: var(--warm);
  box-shadow: var(--faq-shadow) var(--faq-shadow) 0 var(--green-deep);
  padding: 20px 18px 22px;
}

.page-faq .faq-fallback__line {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .faq-fallback__line a {
  color: var(--green-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-fallback__note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-3);
}

/* ===== 批次索引收尾 ===== */
.page-faq .faq-close {
  padding: 46px 0 56px;
}

.page-faq .faq-batch-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-batch-chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 10px 16px;
  color: var(--warm);
  text-decoration: none;
  border: var(--line) solid var(--ink-3);
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-batch-chip:hover {
  border-color: var(--green);
  color: var(--green);
}

.page-faq .faq-batch-chip[aria-current="true"] {
  border-color: var(--green);
  color: var(--green);
  background: rgba(61, 220, 132, 0.12);
}

.page-faq .faq-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ===== 焦点与动效降级 ===== */
.page-faq a:focus-visible,
.page-faq button:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

@media (hover: hover) {
  .page-faq .faq-mode:hover {
    transform: translateY(-2px);
    box-shadow: 4px 4px 0 var(--sand);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-demo__caret {
    animation: none;
  }

  .page-faq .faq-mode,
  .page-faq .qa__item,
  .page-faq .faq-batch-chip,
  .page-faq .faq-tab {
    transition: none;
  }
}

/* ===== 中等屏幕 ===== */
@media (min-width: 640px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    border-bottom: 0;
    border-right: var(--line) solid var(--ink-3);
    padding: 16px 18px;
  }

  .page-faq .faq-fact:last-child {
    border-right: 0;
  }

  .page-faq .faq-demo__result li {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }

  .page-faq .faq-fallback__list li {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-faq .faq-sync__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ===== 桌面屏幕 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 66px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
    align-items: end;
  }

  .page-faq .faq-modes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-locate__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-check__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-sync__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>