.page-faq {
  --faq-panel: #FFFFFF;
  --faq-band: rgba(42, 111, 176, 0.14);
  --faq-shadow: 0 18px 40px -28px rgba(14, 42, 71, 0.45);
  background: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-faq .section {
  padding-top: clamp(2.4rem, 6vw, 4.5rem);
  padding-bottom: clamp(2.4rem, 6vw, 4.5rem);
}

.page-faq .section-head {
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
  max-width: 62ch;
}

.page-faq .section-head h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.5rem, 3.6vw, 2.15rem);
  line-height: 1.25;
  margin: 0 0 0.6rem;
  color: var(--ink);
}

.page-faq .section-head p {
  margin: 0;
  color: #3c4a58;
  font-size: 0.975rem;
}

.page-faq .eyebrow--light {
  color: var(--electric);
  border-color: rgba(0, 229, 255, 0.4);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.6rem, 4vw, 3rem) 0 clamp(2rem, 5vw, 3.4rem);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -80px;
  width: min(560px, 78vw);
  height: 460px;
  background: linear-gradient(135deg, rgba(42, 111, 176, 0.14), rgba(192, 57, 43, 0.08) 58%, rgba(243, 156, 18, 0.07));
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.6;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.025em;
  font-size: clamp(1.85rem, 5.4vw, 3.1rem);
  line-height: 1.18;
  margin: 0.7rem 0 1rem;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.95rem, 2.1vw, 1.05rem);
  color: #3c4a58;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--sky-deep);
  background: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--electric);
  color: var(--ink);
  background: #fff;
}

.page-faq .faq-jump__link.is-current {
  border-color: var(--tibet-red);
  color: var(--tibet-red);
}

/* ---------- 概况条 ---------- */
.page-faq .faq-strip {
  background: var(--sky-deep);
  color: #fff;
}

.page-faq .faq-strip__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 255, 255, 0.14);
  border-left: 1px solid rgba(255, 255, 255, 0.14);
  border-right: 1px solid rgba(255, 255, 255, 0.14);
}

.page-faq .faq-strip__item {
  background: var(--sky-deep);
  padding: 1rem 1.1rem;
}

.page-faq .faq-strip__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.15rem, 3.4vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--electric);
  line-height: 1.2;
}

.page-faq .faq-strip__label {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0 0 clamp(1.6rem, 4vw, 2.4rem);
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--faq-shadow);
}

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

.page-faq .faq-media__cap {
  padding: 0.65rem 0.9rem;
  border-top: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: #55657a;
  background: var(--mist);
}

/* ---------- 时间轴 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-faq .faq-step {
  position: relative;
  background: var(--paper);
  padding: 1.5rem 1.2rem 1.6rem;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky), var(--electric));
}

.page-faq .faq-step:nth-child(3)::before,
.page-faq .faq-step:nth-child(4)::before {
  background: linear-gradient(90deg, var(--tibet-red), var(--banner-orange));
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--faq-band);
  line-height: 1;
  margin-bottom: 0.7rem;
}

.page-faq .faq-step__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.page-faq .faq-step__text {
  margin: 0 0 0.7rem;
  font-size: 0.9rem;
  color: #3c4a58;
}

.page-faq .faq-step__tip {
  margin: 0;
  padding-left: 0.8rem;
  border-left: 2px solid var(--banner-orange);
  font-size: 0.82rem;
  color: #6b5a2e;
}

/* ---------- 原因分类 ---------- */
.page-faq .faq-causes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-faq .faq-cause {
  background: var(--paper);
  padding: 1.35rem 1.15rem 1.5rem;
  transition: background 0.25s var(--ease-out);
}

.page-faq .faq-cause:hover {
  background: #fbfdff;
}

.page-faq .faq-cause__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.06rem;
  margin: 0.75rem 0 0.5rem;
  color: var(--ink);
}

.page-faq .faq-cause__text {
  margin: 0;
  font-size: 0.9rem;
  color: #3c4a58;
}

/* ---------- 登录排查 ---------- */
.page-faq .faq-login {
  background: var(--paper);
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-login__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
}

.page-faq .faq-login__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-faq .faq-login__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 0 0 1.4rem 0;
  position: relative;
}

.page-faq .faq-login__item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--line);
}

.page-faq .faq-login__num {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--mist);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sky-deep);
  position: relative;
  z-index: 1;
}

.page-faq .faq-login__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  margin: 0.15rem 0 0.35rem;
  color: var(--ink);
}

.page-faq .faq-login__text {
  margin: 0;
  font-size: 0.9rem;
  color: #3c4a58;
}

.page-faq .faq-panel {
  border: 1px solid var(--line-strong);
  background: var(--mist);
  padding: 1.3rem 1.15rem 1.4rem;
  align-self: start;
}

.page-faq .faq-panel__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  margin: 0 0 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.page-faq .faq-panel__list {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
}

.page-faq .faq-panel__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  color: #3c4a58;
  margin-bottom: 0.4rem;
}

.page-faq .faq-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--turquoise);
}

.page-faq .faq-code {
  background: var(--sky-deep);
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.page-faq .faq-code__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--electric);
  margin-bottom: 0.45rem;
}

.page-faq .faq-code__line {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #fff;
  word-break: break-all;
  padding: 0.4rem 0.55rem;
  border-left: 2px solid var(--banner-orange);
  background: rgba(255, 255, 255, 0.07);
}

.page-faq .faq-code__note {
  margin: 0.6rem 0 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
}

.page-faq .faq-panel__foot {
  margin: 0;
  font-size: 0.85rem;
  color: #3c4a58;
}

.page-faq a {
  color: var(--sky);
}

.page-faq a:hover {
  color: var(--tibet-red);
}

/* ---------- 版本兼容 ---------- */
.page-faq .faq-versions__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}

.page-faq .faq-table-wrap {
  border: 1px solid var(--grid);
  background: var(--paper);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-faq .faq-table__caption {
  text-align: left;
  padding: 0.8rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: #55657a;
  border-bottom: 1px solid var(--grid);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--grid);
  font-weight: 400;
}

.page-faq .faq-table thead th {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--sky-deep);
  background: var(--mist);
}

.page-faq .faq-table tbody th {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(245, 247, 250, 0.7);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(0, 229, 255, 0.08);
}

.page-faq .faq-versions__foot {
  margin: 1.2rem 0 0;
  font-size: 0.9rem;
  color: #3c4a58;
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-qa__item {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .faq-qa__item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.05rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

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

.page-faq .faq-qa__item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 0.55em;
  background: var(--tibet-red);
}

.page-faq .faq-qa__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--sky);
}

.page-faq .faq-qa__item[open] summary::after {
  content: "−";
  color: var(--tibet-red);
}

.page-faq .faq-qa__item[open] summary {
  color: var(--sky-deep);
}

.page-faq .faq-qa__body {
  padding: 0 0 1.2rem 1.6rem;
  max-width: 68ch;
}

.page-faq .faq-qa__body p {
  margin: 0;
  font-size: 0.92rem;
  color: #3c4a58;
}

/* ---------- 联系 CTA ---------- */
.page-faq .faq-cta {
  position: relative;
  background: var(--sky-deep);
  color: #fff;
  padding: clamp(2.2rem, 6vw, 3.6rem) 0;
  overflow: hidden;
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    rgba(255, 255, 255, 0.05) 0,
    rgba(255, 255, 255, 0.05) 1px,
    transparent 1px,
    transparent 14px
  );
  pointer-events: none;
}

.page-faq .faq-cta__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
  align-items: center;
}

.page-faq .faq-cta h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(1.35rem, 3.6vw, 1.9rem);
  line-height: 1.25;
  margin: 0.5rem 0 0.7rem;
}

.page-faq .faq-cta__text p {
  margin: 0;
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.78);
  max-width: 62ch;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-faq .faq-cta__actions .btn {
  min-height: 46px;
}

@media (max-width: 600px) {
  .page-faq .faq-cta__actions {
    flex-direction: column;
  }

  .page-faq .faq-cta__actions .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-strip__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-strip__item {
    padding: 1.15rem 1.3rem;
  }

  .page-faq .faq-step {
    padding: 1.7rem 1.4rem 1.8rem;
  }
}

@media (min-width: 768px) {
  .page-faq .faq-causes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-faq .faq-login__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 2.4rem;
  }

  .page-faq .faq-versions__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 2.2rem;
    align-items: start;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 2.4rem;
  }

  .page-faq .faq-media--stack {
    margin-bottom: 0;
  }

  .page-faq .faq-qa__body {
    padding-left: 2.4rem;
  }
}
<<<END>>>