.page-faq {
  --faq-gap: 22px;
  background:
    radial-gradient(120% 55% at 85% 0%, rgba(18, 41, 74, 0.88), rgba(11, 27, 51, 0) 62%),
    var(--c-navy);
  color: var(--c-white);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.9;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: 32px 8px;
}

.page-faq .faq-hero__frame {
  position: relative;
  margin-top: 26px;
  padding: clamp(22px, 5vw, 40px) clamp(18px, 4.4vw, 34px) clamp(20px, 4.2vw, 32px);
  border: 1px solid var(--c-gold-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(18, 41, 74, 0.78), rgba(11, 27, 51, 0.28));
  box-shadow: var(--shadow-card);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--c-gold-a);
  pointer-events: none;
}

.page-faq .faq-hero__frame::before {
  top: -2px;
  left: -2px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: 6px;
}

.page-faq .faq-hero__frame::after {
  right: -2px;
  bottom: -2px;
  border-top: 0;
  border-left: 0;
  border-bottom-right-radius: 6px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 7.4vw, 64px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 18ch;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  color: rgba(244, 247, 251, 0.76);
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-hero__fact {
  font-size: var(--fs-note);
  color: var(--c-stone);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__fact strong {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--c-gold-a);
  margin-right: 2px;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  padding-block: 52px;
}

.page-faq .faq-block + .faq-block {
  border-top: 1px solid rgba(107, 119, 135, 0.22);
}

.page-faq .faq-block__head {
  max-width: 40em;
}

.page-faq .faq-block__lead {
  margin-top: 14px;
  color: rgba(244, 247, 251, 0.72);
  max-width: 36em;
}

/* ---------- 分组入口 ---------- */
.page-faq .faq-picker__figure {
  margin: 28px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-navy-deep);
}

.page-faq .faq-picker__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 24px;
}

.page-faq .faq-groups__card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num label go"
    "num desc  go";
  align-items: center;
  column-gap: 14px;
  padding: 18px 18px 18px 20px;
  background: var(--c-navy-card);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--faq-accent, var(--c-stone));
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-groups__card--access { --faq-accent: var(--c-amber); }
.page-faq .faq-groups__card--download { --faq-accent: var(--c-gold-a); }
.page-faq .faq-groups__card--display { --faq-accent: var(--c-jade); }
.page-faq .faq-groups__card--feedback { --faq-accent: var(--c-clay); }

.page-faq .faq-groups__card:hover,
.page-faq .faq-groups__card:focus-visible {
  background: rgba(18, 41, 74, 0.96);
  border-top-color: var(--c-gold-line);
  border-right-color: var(--c-gold-line);
  border-bottom-color: var(--c-gold-line);
  transform: translateY(-2px);
}

.page-faq .faq-groups__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--faq-accent, var(--c-stone));
}

.page-faq .faq-groups__label {
  grid-area: label;
  font-size: var(--fs-sub);
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .faq-groups__desc {
  grid-area: desc;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-stone);
}

.page-faq .faq-groups__go {
  grid-area: go;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--c-stone);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-groups__card:hover .faq-groups__go {
  color: var(--c-gold-a);
  transform: translateX(3px);
}

/* ---------- 分组抽屉 ---------- */
.page-faq .faq-sets {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-faq .faq-set {
  background: rgba(18, 41, 74, 0.42);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-set--access { --faq-set-accent: var(--c-amber); }
.page-faq .faq-set--download { --faq-set-accent: var(--c-gold-a); }
.page-faq .faq-set--display { --faq-set-accent: var(--c-jade); }
.page-faq .faq-set--feedback { --faq-set-accent: var(--c-clay); }

.page-faq .faq-set[open] {
  background: var(--c-navy-card);
  border-top-color: var(--c-gold-line);
  border-right-color: var(--c-gold-line);
  border-bottom-color: var(--c-gold-line);
  border-left-color: var(--faq-set-accent, var(--c-gold-a));
}

.page-faq .faq-set__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-set__head::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-stone);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-set[open] > .faq-set__head::after {
  content: "−";
  color: var(--faq-set-accent, var(--c-gold-a));
}

.page-faq .faq-set__num {
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.16em;
  color: var(--c-stone);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-set[open] > .faq-set__head .faq-set__num {
  color: var(--faq-set-accent, var(--c-gold-a));
}

.page-faq .faq-set__name {
  font-size: var(--fs-sub);
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .faq-set__hint {
  flex: 1 1 100%;
  font-size: var(--fs-note);
  color: var(--c-stone);
  line-height: 1.6;
}

.page-faq .faq-set__body {
  padding: 4px 20px 20px;
  border-top: 1px solid var(--line-soft);
  margin-top: 4px;
}

/* ---------- 单条问题 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid rgba(107, 119, 135, 0.24);
}

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item__q::before {
  content: "Q";
  flex: none;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-gold-a);
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--c-stone);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-item__q:hover {
  color: var(--c-gold-a);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  content: "−";
  color: var(--c-jade);
}

.page-faq .faq-item__a {
  padding: 0 0 18px 24px;
  font-size: 15px;
  color: rgba(244, 247, 251, 0.8);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a a {
  color: var(--c-gold-a);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__ops {
  counter-reset: faq-op;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-item__ops li {
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.7);
}

.page-faq .faq-item__ops li::before {
  counter-increment: faq-op;
  content: counter(faq-op, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold-a);
}

/* ---------- 三步自查窄带 ---------- */
.page-faq .faq-block.faq-check {
  position: relative;
  background: linear-gradient(180deg, rgba(8, 21, 42, 0.92), rgba(11, 27, 51, 0));
  border-top: 1px solid var(--c-gold-line);
}

.page-faq .faq-check .kb-note-vertical {
  position: absolute;
  top: 56px;
  right: 8px;
  display: none;
  letter-spacing: 0.32em;
  color: var(--c-gold-a);
  opacity: 0.66;
  pointer-events: none;
}

.page-faq .faq-check__figure {
  margin: 28px 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-navy-deep);
}

.page-faq .faq-check__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-check__figure .kb-media__caption {
  padding: 12px 16px;
  font-size: var(--fs-note);
  color: var(--c-stone);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-check__steps {
  counter-reset: faq-step;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 22px;
}

.page-faq .faq-check__step {
  position: relative;
  padding-left: 46px;
}

.page-faq .faq-check__step::before {
  counter-increment: faq-step;
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--c-gold-line);
  border-radius: 50%;
  background: rgba(18, 41, 74, 0.7);
}

.page-faq .faq-check__step::after {
  counter-increment: none;
  content: "";
  position: absolute;
  left: 14px;
  top: 38px;
  bottom: -20px;
  width: 1px;
  background: var(--line-soft);
}

.page-faq .faq-check__step:last-child::after {
  display: none;
}

.page-faq .faq-check__num {
  position: absolute;
  left: 0;
  top: 4px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-gold-a);
  z-index: 1;
}

.page-faq .faq-check__step:last-child .faq-check__num {
  color: var(--c-jade);
}

.page-faq .faq-check__step:last-child::before {
  border-color: rgba(78, 142, 122, 0.62);
}

.page-faq .faq-check__label {
  margin: 0;
  font-size: var(--fs-sub);
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-check__text {
  margin: 8px 0 0;
  font-size: 15px;
  color: rgba(244, 247, 251, 0.74);
  max-width: 34em;
}

/* ---------- 统一入口说明 ---------- */
.page-faq .faq-entry__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-entry__link {
  margin-top: 18px;
  font-size: 15px;
}

.page-faq .faq-entry__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-entry__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: rgba(18, 41, 74, 0.52);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-entry__item:hover {
  border-color: var(--c-gold-line);
  transform: translateY(-2px);
}

.page-faq .faq-entry__idx {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-gold-a);
}

.page-faq .faq-entry__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.76);
}

.page-faq .faq-entry__item strong {
  color: var(--c-white);
  font-weight: 700;
}

/* ---------- 反馈前准备 ---------- */
.page-faq .faq-prep__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-faq .faq-prep__card {
  padding: 20px 18px 22px;
  background: linear-gradient(170deg, rgba(18, 41, 74, 0.86), rgba(18, 41, 74, 0.42));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-prep__card:hover {
  border-color: var(--c-gold-line);
  transform: translateY(-2px);
}

.page-faq .faq-prep__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.16em;
  color: var(--c-gold-a);
}

.page-faq .faq-prep__title {
  margin: 10px 0 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-prep__card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-stone);
}

/* ---------- 处理流程 ---------- */
.page-faq .faq-flow__list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 0 0 26px 34px;
}

.page-faq .faq-flow__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: -2px;
  width: 1px;
  background: var(--line-soft);
}

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

.page-faq .faq-flow__dot {
  position: absolute;
  left: 0;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--c-navy);
  border: 2px solid var(--c-gold-a);
}

.page-faq .faq-flow__item:nth-child(4) .faq-flow__dot,
.page-faq .faq-flow__item:nth-child(5) .faq-flow__dot {
  border-color: var(--c-jade);
}

.page-faq .faq-flow__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-flow__item p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.72);
  max-width: 36em;
}

/* ---------- 收束 ---------- */
.page-faq .faq-outro__box {
  padding: clamp(24px, 5vw, 44px) clamp(20px, 4.4vw, 40px);
  background:
    linear-gradient(150deg, rgba(18, 41, 74, 0.92), rgba(11, 27, 51, 0.6)),
    var(--c-navy-card);
  border: 1px solid var(--c-gold-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
}

.page-faq .faq-outro__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 5.4vw, 36px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-faq .faq-outro__text {
  margin: 16px 0 0;
  max-width: 38em;
  color: rgba(244, 247, 251, 0.78);
}

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

.page-faq .faq-tape {
  height: 34px;
  margin-top: 44px;
  border-bottom: 1px solid var(--c-gold-line);
  background-image: repeating-linear-gradient(
    to right,
    var(--line-mid) 0,
    var(--line-mid) 1px,
    transparent 1px,
    transparent 16px
  );
  background-size: 100% 9px;
  background-position: bottom left;
  background-repeat: no-repeat;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-faq .faq-hero {
    padding-block: 44px 12px;
  }

  .page-faq .faq-hero__frame {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    grid-template-areas:
      "eyebrow ."
      "title   ."
      "lead    ."
      "facts   facts";
    column-gap: 40px;
  }

  .page-faq .faq-hero__frame .kb-eyebrow { grid-area: eyebrow; }
  .page-faq .faq-hero__title { grid-area: title; }
  .page-faq .faq-hero__lead { grid-area: lead; }
  .page-faq .faq-hero__facts { grid-area: facts; }

  .page-faq .faq-set__head {
    align-items: center;
    flex-wrap: nowrap;
  }

  .page-faq .faq-set__hint {
    flex: 1 1 auto;
    text-align: right;
    margin-left: auto;
    margin-right: 16px;
  }

  .page-faq .faq-set__head::after {
    margin-left: 0;
  }

  .page-faq .faq-entry__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 52px;
    align-items: start;
  }

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

  .page-faq .faq-check__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
    margin-top: 34px;
  }

  .page-faq .faq-check__step::after {
    left: auto;
    right: -17px;
    top: 18px;
    bottom: auto;
    width: 22px;
    height: 1px;
  }

  .page-faq .faq-check__step:last-child::after {
    display: block;
    content: "→";
    height: auto;
    width: auto;
    right: -22px;
    top: 12px;
    background: none;
    color: var(--c-jade);
    font-size: 16px;
    line-height: 1;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-groups__card {
    grid-template-columns: 1fr;
    grid-template-areas:
      "num"
      "label"
      "desc"
      "go";
    align-items: start;
    row-gap: 8px;
    padding: 22px 20px 24px;
  }

  .page-faq .faq-groups__go {
    margin-top: 4px;
  }

  .page-faq .faq-prep__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-check .kb-note-vertical {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-groups__card,
  .page-faq .faq-entry__item,
  .page-faq .faq-prep__card,
  .page-faq .faq-groups__go,
  .page-faq .faq-item__q,
  .page-faq .faq-set {
    transition: none;
  }

  .page-faq .faq-groups__card:hover,
  .page-faq .faq-entry__item:hover,
  .page-faq .faq-prep__card:hover {
    transform: none;
  }
}

.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--c-gold-a);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}