.page-faq {
  --faq-glow-lamp: rgba(77, 255, 159, 0.16);
  --faq-glow-volt: rgba(41, 216, 255, 0.14);
  --faq-rule-dark: rgba(8, 20, 18, 0.15);
}

/* ── 首屏 ───────────────────────────────────────── */

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(5.5rem, 11vw, 8.5rem) clamp(1.75rem, 4vw, 2.75rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  left: -14%;
  width: min(720px, 92vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--faq-glow-lamp) 0%, var(--faq-glow-volt) 46%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
}

.page-faq .faq-hero__grid {
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  align-items: start;
  row-gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-hero .title-xl {
  max-width: 19ch;
  margin-block: 0.75rem 1.25rem;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero .lede {
  max-width: 56ch;
}

.page-faq .faq-hero__aside {
  align-self: end;
  padding: 1.25rem 1.375rem 1.125rem;
  border: 1px solid rgba(77, 255, 159, 0.24);
  border-radius: 20px 5px 20px 5px;
  background: linear-gradient(158deg, rgba(20, 53, 40, 0.6), rgba(12, 23, 28, 0.72));
}

.page-faq .faq-hero__aside-k {
  margin: 0 0 0.875rem;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-hero__aside-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.625rem;
}

.page-faq .faq-hero__aside-list a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding-bottom: 0.625rem;
  border-bottom: 1px dashed rgba(155, 175, 169, 0.26);
  color: var(--white);
  font-size: 0.9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-faq .faq-hero__aside-list li:last-child a {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__aside-list a::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lamp);
  box-shadow: 0 0 10px rgba(77, 255, 159, 0.85);
}

.page-faq .faq-hero__aside-list a:hover,
.page-faq .faq-hero__aside-list a:focus-visible {
  color: var(--lamp);
}

/* ── 反白索引区 ─────────────────────────────────── */

.page-faq .faq-index {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
  border-radius: 28px 8px 28px 8px;
}

.page-faq .faq-index__head {
  display: grid;
  gap: 0.625rem;
  max-width: 58ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-index__head .eyebrow {
  color: #12604A;
}

.page-faq .faq-index__grid {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--faq-rule-dark);
  border-left: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-index__item {
  border-right: 1px solid var(--faq-rule-dark);
  border-bottom: 1px solid var(--faq-rule-dark);
}

.page-faq .faq-index__item a {
  display: block;
  padding: 1.375rem 1.5rem 1.5rem;
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-faq .faq-index__item a:hover,
.page-faq .faq-index__item a:focus-visible {
  background: rgba(20, 53, 40, 0.07);
}

.page-faq .faq-index__code {
  display: block;
  margin-bottom: 0.625rem;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: #0B6B4A;
}

.page-faq .faq-index__name {
  display: block;
  margin-bottom: 0.4375rem;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #06110E;
}

.page-faq .faq-index__desc {
  display: block;
  max-width: 34ch;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: #3B4C47;
}

/* ── 问答区块通用 ───────────────────────────────── */

.page-faq .faq-block {
  position: relative;
  padding-block: clamp(2.5rem, 5.5vw, 4.25rem);
}

.page-faq .faq-block + .faq-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--lamp) 0%, var(--volt) 38%, transparent 82%);
  opacity: 0.32;
}

.page-faq .faq-block__head {
  max-width: 62ch;
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-faq .faq-block__head .eyebrow {
  color: var(--lamp);
  letter-spacing: 0.14em;
}

.page-faq .faq-block__head .title-lg {
  margin-block: 0.625rem 0;
}

.page-faq .faq-block__lead {
  margin: 0.875rem 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.78;
  color: var(--body-text);
}

.page-faq .faq-block__figure {
  margin: 0 0 clamp(1.75rem, 3.5vw, 2.5rem);
}

/* ── 分步路径 ───────────────────────────────────── */

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

.page-faq .faq-step {
  position: relative;
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: 1.375rem;
  padding-bottom: 1.75rem;
}

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

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 1.625rem;
  top: 3.5rem;
  bottom: 0.25rem;
  width: 1px;
  background: linear-gradient(180deg, var(--lamp) 0%, rgba(77, 255, 159, 0.06) 100%);
}

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

.page-faq .faq-step__code {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  border: 1px solid rgba(77, 255, 159, 0.38);
  border-radius: 17px 5px 17px 5px;
  background: var(--stand);
  color: var(--lamp);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
}

.page-faq .faq-step__body {
  padding-top: 0.375rem;
}

.page-faq .faq-step__title {
  margin: 0 0 0.4375rem;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.5vw, 1.1875rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-step__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--body-text);
}

/* ── 入口查找区 ─────────────────────────────────── */

.page-faq .faq-find__grid {
  align-items: start;
  row-gap: clamp(1.5rem, 3vw, 2rem);
}

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

.page-faq .faq-find__qa {
  align-self: start;
}

/* ── 可展开问答 ─────────────────────────────────── */

.page-faq .faq-qa {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-qa .disclosure {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-qa .disclosure__trigger {
  position: relative;
  width: 100%;
  padding: 1.125rem 3rem 1.125rem 0;
  font-family: var(--font-display);
  font-size: clamp(0.9875rem, 1.3vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  text-align: left;
  cursor: pointer;
  transition: color 0.18s ease;
}

.page-faq .faq-qa .disclosure__trigger:hover,
.page-faq .faq-qa .disclosure__trigger:focus-visible {
  color: var(--lamp);
}

.page-faq .faq-qa .disclosure__trigger::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0.375rem;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1;
  color: var(--lamp);
  opacity: 0.85;
}

.page-faq .faq-qa .disclosure__trigger[aria-expanded="true"]::after {
  content: "−";
  opacity: 1;
}

.page-faq .faq-qa .disclosure__trigger[aria-expanded="true"] {
  color: var(--lamp);
}

.page-faq .faq-qa .disclosure__inner p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.82;
  color: var(--body-text);
}

.page-faq .faq-qa--wide {
  max-width: 76ch;
}

/* ── 排查清单 ───────────────────────────────────── */

.page-faq .faq-checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.875rem;
}

.page-faq .faq-check {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  gap: 1.125rem;
  align-items: start;
  padding: 1.125rem 1.25rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 20px 5px 20px 5px;
  background: linear-gradient(150deg, rgba(12, 23, 28, 0.92), rgba(5, 9, 12, 0.86));
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-check:hover {
  border-color: rgba(77, 255, 159, 0.42);
  transform: translateX(4px);
}

.page-faq .faq-check__code {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 13px 4px 13px 4px;
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-faq .faq-check:nth-child(1) .faq-check__code {
  background: var(--lamp);
}

.page-faq .faq-check:nth-child(2) .faq-check__code {
  background: var(--volt);
}

.page-faq .faq-check:nth-child(3) .faq-check__code {
  background: var(--orange);
}

.page-faq .faq-check:nth-child(4) .faq-check__code {
  background: var(--white);
}

.page-faq .faq-check:nth-child(5) .faq-check__code {
  background: var(--mist);
}

.page-faq .faq-check__title {
  margin: 0.4375rem 0 0.375rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.35vw, 1.0625rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-faq .faq-check__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--body-text);
}

/* ── 升级到咨询 ─────────────────────────────────── */

.page-faq .faq-escalate {
  position: relative;
  padding: clamp(1.75rem, 4vw, 3rem);
  border: 1px solid rgba(77, 255, 159, 0.28);
  border-radius: 30px 9px 30px 9px;
  background: linear-gradient(155deg, rgba(20, 53, 40, 0.72) 0%, rgba(5, 9, 12, 0.93) 62%);
  overflow: hidden;
}

.page-faq .faq-escalate::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -40%;
  width: min(420px, 70vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 43, 0.16) 0%, transparent 68%);
  pointer-events: none;
}

.page-faq .faq-escalate__grid {
  position: relative;
  row-gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-escalate__lead {
  margin: 0.875rem 0 1.25rem;
  max-width: 54ch;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.78;
  color: var(--body-text);
}

.page-faq .faq-prepare {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.625rem;
}

.page-faq .faq-prepare li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--white);
}

.page-faq .faq-prepare .mono {
  color: var(--lamp);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.page-faq .faq-escalate__tip {
  margin: 0 0 0.5rem;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--body-text);
}

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

.page-faq .faq-escalate__link a {
  color: var(--volt);
  font-size: 0.9375rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 216, 255, 0.4);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-escalate__link a:hover,
.page-faq .faq-escalate__link a:focus-visible {
  color: var(--lamp);
  border-color: var(--lamp);
}

.page-faq .faq-escalate__contact {
  align-self: start;
  padding: 1.375rem 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 22px 6px 22px 6px;
  background: rgba(5, 9, 12, 0.7);
}

.page-faq .faq-contact__head {
  margin: 0 0 1rem;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact {
  margin: 0;
  display: grid;
  gap: 0.875rem;
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px dashed rgba(155, 175, 169, 0.24);
}

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

.page-faq .faq-contact__key {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 1.125rem 0 0.625rem;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--mist);
}

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

.page-faq .faq-contact__go a {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--orange);
  border-radius: 999px;
  color: var(--orange);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-contact__go a:hover,
.page-faq .faq-contact__go a:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

/* ── 响应式 ─────────────────────────────────────── */

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

@media (max-width: 959px) {
  .page-faq .faq-hero__aside {
    align-self: stretch;
  }

  .page-faq .faq-hero .title-xl {
    max-width: none;
  }

  .page-faq .faq-check:hover {
    transform: none;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-find__figure {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-faq .faq-escalate__contact {
    align-self: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps {
    padding-left: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-check,
  .page-faq .faq-qa .disclosure__trigger {
    transition: none;
  }

  .page-faq .faq-check:hover {
    transform: none;
  }
}