/* ===== 问题排查页 page-faq ===== */
.page-faq {
  --faq-panel: rgba(19, 41, 61, 0.62);
  --faq-panel-open: rgba(19, 41, 61, 0.9);
  --faq-cut: 16px 0 8px 0;
  --faq-hair: rgba(200, 161, 90, 0.3);
  --faq-soft: rgba(217, 222, 227, 0.16);
  background: var(--cream);
  color: var(--body-ink);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--deep);
  padding: clamp(26px, 4.6vw, 44px) 0 clamp(48px, 7vw, 84px);
}

.page-faq .faq-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(110% 82% at 8% 0%, rgba(200, 161, 90, 0.2), transparent 58%),
    linear-gradient(180deg, rgba(10, 12, 14, 0.72) 0%, rgba(14, 35, 55, 0.9) 58%, var(--deep) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero .crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(217, 222, 227, 0.58);
}

.page-faq .faq-hero .crumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(217, 222, 227, 0.3);
}

.page-faq .faq-hero .crumb a {
  color: rgba(217, 222, 227, 0.82);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-hero .crumb a:hover {
  color: var(--gold-glow);
}

.page-faq .faq-hero .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(28px, 5.2vw, 50px);
  font-weight: 500;
  line-height: 1.22;
  color: var(--cream);
}

.page-faq .faq-hero__lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: rgba(217, 222, 227, 0.86);
}

.page-faq .faq-hero__facts {
  display: grid;
  gap: 12px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

.page-faq .faq-hero__facts li {
  padding-top: 12px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  background: var(--cream);
  padding: clamp(46px, 7vw, 80px) 0;
}

.page-faq .faq-steps h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--deep);
}

.page-faq .faq-steps__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .steps {
  display: grid;
  gap: 20px;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 840px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
}

.page-faq .step {
  position: relative;
  padding: 24px 22px 22px;
  background: #fff;
  border: 1px solid rgba(14, 35, 55, 0.1);
  border-top: 2px solid var(--gold);
  border-radius: var(--faq-cut);
  box-shadow: 0 18px 40px -34px rgba(14, 35, 55, 0.9);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step:hover,
.page-faq .step:focus-within {
  transform: translateY(-4px);
  border-color: var(--faq-hair);
  box-shadow: 0 28px 52px -34px rgba(14, 35, 55, 0.6);
}

@media (min-width: 840px) {
  .page-faq .step + .step::before {
    content: "";
    position: absolute;
    top: 46px;
    left: -32px;
    width: 32px;
    height: 1px;
    background: var(--line-gold);
    transform: rotate(-12deg);
    transform-origin: left center;
  }
}

.page-faq .step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: #9a7a3e;
}

.page-faq .step__title {
  margin: 10px 0 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--deep);
}

.page-faq .step__text {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-ink);
}

.page-faq .step__action {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--celadon);
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .step:hover .step__action,
.page-faq .step:focus-within .step__action {
  color: var(--deep);
  border-color: var(--gold);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  position: relative;
  isolation: isolate;
  background: linear-gradient(180deg, var(--deep) 0%, var(--night) 100%);
  padding: clamp(46px, 7vw, 88px) 0;
  color: var(--mist);
}

.page-faq .faq-groups::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(102deg, transparent 0 178px, rgba(200, 161, 90, 0.07) 178px 179px);
}

.page-faq .faq-groups::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  z-index: -1;
  background: var(--line-gold);
  opacity: 0.6;
}

.page-faq .faq-groups .shell {
  position: relative;
}

.page-faq .faq-groups h2 {
  margin: 0;
  font-size: clamp(23px, 3.4vw, 34px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--cream);
}

.page-faq .faq-groups__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(217, 222, 227, 0.74);
}

.page-faq .faq-group {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--faq-soft);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-group__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(18px, 2.4vw, 23px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--cream);
}

.page-faq .qa {
  background: var(--faq-panel);
  border: 1px solid var(--faq-soft);
  border-radius: var(--faq-cut);
  margin-bottom: 10px;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa:last-child {
  margin-bottom: 0;
}

.page-faq .qa[open] {
  transform: translateY(-4px);
  background: var(--faq-panel-open);
  border-color: var(--line-gold);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 16px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--cream);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

@media (min-width: 640px) {
  .page-faq .qa__q {
    padding: 19px 22px;
  }
}

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

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

.page-faq .qa__q::before {
  content: "+";
  flex: none;
  width: 18px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.55;
  color: var(--gold);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__q::before {
  content: "–";
  color: var(--celadon);
}

.page-faq .qa__q:hover {
  color: var(--gold-glow);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -3px;
  border-radius: var(--faq-cut);
}

.page-faq .qa__a {
  margin: 0 16px 18px;
  padding-left: 14px;
  border-left: 2px solid transparent;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(217, 222, 227, 0.84);
  transition: border-color var(--dur) var(--ease);
}

@media (min-width: 640px) {
  .page-faq .qa__a {
    margin: 0 22px 20px 52px;
    padding-left: 16px;
  }
}

.page-faq .qa[open] .qa__a {
  border-left-color: var(--celadon);
}

.page-faq .qa__a p {
  margin: 0 0 0.9em;
}

.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__lead {
  display: inline-block;
  padding-bottom: 1px;
  color: var(--cream);
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .faq-groups a {
  color: var(--gold-glow);
  text-decoration-color: rgba(232, 206, 149, 0.45);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease), text-decoration-color var(--dur) var(--ease);
}

.page-faq .faq-groups a:hover {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

/* ---------- 清单章节的双栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: 28px;
}

@media (min-width: 960px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-faq .faq-split__media {
  margin: 0;
}

.page-faq .faq-split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-gold);
  border-radius: var(--faq-cut);
  object-fit: cover;
}

.page-faq .faq-split__media figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(217, 222, 227, 0.58);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-help {
  background: var(--cream);
  padding: clamp(46px, 7vw, 80px) 0;
}

.page-faq .faq-help__card {
  display: grid;
  gap: 28px;
  padding: clamp(22px, 4vw, 40px);
  background: #fff;
  border: 1px solid rgba(14, 35, 55, 0.1);
  border-left: 3px solid var(--gold);
  border-radius: var(--faq-cut);
  box-shadow: 0 24px 60px -48px rgba(14, 35, 55, 0.9);
}

@media (min-width: 900px) {
  .page-faq .faq-help__card {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 48px;
  }
}

.page-faq .faq-help .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: #9a7a3e;
}

.page-faq .faq-help h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 500;
  line-height: 1.34;
  color: var(--deep);
}

.page-faq .faq-help__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--body-ink);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-ink);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-help__contact {
  padding-top: 24px;
  border-top: 1px solid rgba(14, 35, 55, 0.12);
}

@media (min-width: 900px) {
  .page-faq .faq-help__contact {
    padding-top: 0;
    padding-left: 40px;
    border-top: 0;
    border-left: 1px solid rgba(14, 35, 55, 0.12);
  }
}

.page-faq .faq-help__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-faq .faq-help__line {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--body-ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-help__line--mono {
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: 0.02em;
  color: var(--deep);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-actions a {
  display: inline-flex;
  align-items: center;
  padding: 11px 22px;
  font-size: 14.5px;
  line-height: 1.4;
  text-decoration: none;
  border-radius: 14px 0 8px 0;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-actions a:hover {
  transform: translateY(-2px);
}

.page-faq .faq-actions .is-primary {
  background: var(--gold);
  color: var(--ink);
  border: 1px solid var(--gold);
}

.page-faq .faq-actions .is-primary:hover {
  background: var(--gold-glow);
  border-color: var(--gold-glow);
}

.page-faq .faq-actions .is-secondary {
  background: transparent;
  color: var(--deep);
  border: 1px solid rgba(14, 35, 55, 0.24);
}

.page-faq .faq-actions .is-secondary:hover {
  background: rgba(200, 161, 90, 0.12);
  border-color: var(--gold);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .step,
  .page-faq .qa,
  .page-faq .qa__a,
  .page-faq .qa__q::before,
  .page-faq .step__action,
  .page-faq .faq-actions a {
    transition: none;
  }

  .page-faq .step:hover,
  .page-faq .qa[open],
  .page-faq .faq-actions a:hover {
    transform: none;
  }
}