.page-faq {
  --faq-line: rgba(110, 127, 128, 0.35);
  --faq-accent-soft: rgba(255, 107, 44, 0.12);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(circle at 82% 10%, rgba(255, 107, 44, 0.10), transparent 280px),
    linear-gradient(180deg, #0B1B2B 0%, #0E2434 60%, #0B1B2B 100%);
  background-image:
    linear-gradient(rgba(110, 127, 128, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 127, 128, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* ===== 首屏 Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding-top: 56px;
  padding-bottom: 36px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 24px;
  margin-top: 28px;
  position: relative;
}

.page-faq .faq-hero__copy {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.3rem, 7vw, 4.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
}

.page-faq .faq-hero__lead {
  color: var(--color-ink-dim);
  font-size: 1.02rem;
  line-height: 1.8;
  margin: 0;
  max-width: 62ch;
}

.page-faq .faq-hero__side {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--faq-line);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-hero__side::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 44px;
  height: 44px;
  border-left: 3px solid var(--color-accent);
  border-top: 3px solid var(--color-accent);
  pointer-events: none;
}

.page-faq .faq-hero__side-label {
  font-family: var(--font-index);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--color-ink-dim);
  text-transform: uppercase;
}

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

.page-faq .faq-hero__topics li {
  position: relative;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-ink);
  padding-left: 18px;
  line-height: 1.4;
}

.page-faq .faq-hero__topics li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  box-shadow: 8px 0 0 rgba(255, 107, 44, 0.35);
}

.page-faq .faq-hero__count {
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-top: 1px solid var(--faq-line);
  padding-top: 12px;
}

.page-faq .faq-hero__count b {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--color-gold);
  line-height: 1;
}

.page-faq .faq-hero__count span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-ink-dim);
}

/* ===== 过滤工具栏 ===== */
.page-faq .faq-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 10px;
  padding: 16px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-toolbar__filters .filter-btn {
  white-space: nowrap;
}

.page-faq .faq-toolbar__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-dim);
  border: 1px solid var(--faq-line);
  background: rgba(18, 41, 60, 0.5);
  padding: 7px 10px;
}

.page-faq .faq-toolbar__meta .status-dot {
  position: relative;
  top: 0;
}

/* ===== 左右分栏布局 ===== */
.page-faq .faq-layout {
  display: grid;
  gap: 32px;
  margin-top: 26px;
}

.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__inner {
  border-left: 1px solid var(--faq-line);
  padding-left: 18px;
}

.page-faq .faq-index__label {
  display: inline-block;
  font-family: var(--font-index);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--color-ink-dim);
  border-left: 3px solid var(--color-accent);
  padding-left: 10px;
  margin-bottom: 18px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-faq .faq-index__group {
  min-width: 0;
}

.page-faq .faq-index__cat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--font-title);
  font-size: 1.16rem;
  font-weight: 700;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 8px;
}

.page-faq .faq-index__cat span {
  font-family: var(--font-index);
  font-size: 0.72rem;
  color: var(--color-accent);
}

.page-faq .faq-index__sub {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}

.page-faq .faq-index__sub a {
  display: block;
  color: var(--color-ink-dim);
  font-size: 0.88rem;
  line-height: 1.5;
  text-decoration: none;
  border-left: 1px solid rgba(110, 127, 128, 0.5);
  padding-left: 12px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__sub a:hover {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* ===== 答案区 ===== */
.page-faq .faq-content {
  min-width: 0;
  display: grid;
  gap: 52px;
}

.page-faq .faq-section {
  min-width: 0;
}

.page-faq .faq-section__head {
  margin-bottom: 18px;
  padding-bottom: 10px;
  position: relative;
}

.page-faq .faq-section__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.page-faq .faq-section__head h2 {
  font-family: var(--font-title);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.25;
  margin: 6px 0 0;
}

/* ===== details 手风琴卡片 ===== */
.page-faq .faq-card {
  position: relative;
  background: var(--color-panel);
  border: 1px solid rgba(110, 127, 128, 0.3);
  margin-bottom: 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-card[open] {
  border-color: rgba(255, 107, 44, 0.55);
  background: linear-gradient(135deg, rgba(18, 41, 60, 0.9), rgba(18, 41, 60, 1));
}

.page-faq .faq-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: transparent;
  transition: background 0.2s ease;
}

.page-faq .faq-card[open]::before {
  background: var(--color-accent);
}

.page-faq .faq-card::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 22px;
  height: 22px;
  background: linear-gradient(225deg, transparent 50%, rgba(255, 107, 44, 0.5) 50%);
  pointer-events: none;
}

.page-faq .faq-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 50px 17px 16px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--color-ink);
  min-height: 52px;
}

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

.page-faq .faq-card summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.25s ease;
  pointer-events: none;
}

.page-faq .faq-card[open] summary::after {
  content: "−";
}

.page-faq .faq-card__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  border: 1px solid rgba(255, 107, 44, 0.35);
  padding: 4px 7px;
  line-height: 1;
}

.page-faq .faq-card__body {
  padding: 0 18px 20px 16px;
  color: var(--color-ink);
  line-height: 1.75;
  font-size: 0.95rem;
}

.page-faq .faq-card__body p {
  margin: 0 0 12px;
}

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

.page-faq .faq-tip {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  background: rgba(74, 112, 85, 0.1);
  border-left: 3px solid var(--color-success);
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-faq .faq-tip strong {
  flex: 0 0 auto;
  color: var(--color-success);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-faq .faq-warn {
  margin-top: 14px;
  background: rgba(201, 111, 74, 0.12);
  border-left: 3px solid var(--color-warn);
  padding: 12px 14px;
  font-size: 0.88rem;
  line-height: 1.65;
}

.page-faq .faq-warn strong {
  color: var(--color-warn);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

/* ===== 配图与流程示意图 ===== */
.page-faq .faq-media {
  position: relative;
  margin: 18px 0;
  padding: 8px;
  background: rgba(18, 41, 60, 0.65);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--color-accent);
}

.page-faq .faq-media .media-frame {
  overflow: hidden;
  background: #0E2434;
  border: 1px solid rgba(110, 127, 128, 0.2);
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

.page-faq .faq-media figcaption {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 4px 2px;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-ink-dim);
}

.page-faq .faq-media figcaption::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 1px;
  background: var(--color-accent);
}

/* ===== 联系方式卡片 ===== */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-contact__cell {
  position: relative;
  background: var(--color-panel);
  border: 1px solid var(--faq-line);
  padding: 18px 16px 16px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact__cell::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -1px;
  width: 20px;
  height: 20px;
  background: linear-gradient(225deg, transparent 50%, rgba(255, 107, 44, 0.55) 50%);
}

.page-faq .faq-contact__label {
  font-family: var(--font-index);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  text-transform: uppercase;
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 500;
  color: var(--color-ink);
  text-decoration: none;
  word-break: break-all;
}

.page-faq .faq-contact__value:hover {
  color: var(--color-accent);
}

.page-faq .faq-contact__note {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--color-ink-dim);
  border-top: 1px dashed rgba(110, 127, 128, 0.3);
  padding-top: 8px;
}

/* ===== 底部 CTA ===== */
.page-faq .faq-cta {
  margin: 68px auto 40px;
}

.page-faq .faq-cta__inner {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 22px;
  background: linear-gradient(135deg, var(--color-accent), #D9501D);
  padding: 36px 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.page-faq .faq-cta__inner::before {
  content: "";
  position: absolute;
  left: -40px;
  bottom: -60px;
  width: 180px;
  height: 180px;
  border: 24px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  transform: rotate(18deg);
  pointer-events: none;
}

.page-faq .faq-cta__inner::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 130px;
  height: 130px;
  background: rgba(255, 255, 255, 0.1);
  transform: rotate(14deg);
  pointer-events: none;
}

.page-faq .faq-cta__inner > div {
  position: relative;
  z-index: 1;
}

.page-faq .faq-cta .section-kicker {
  color: rgba(11, 27, 43, 0.7);
}

.page-faq .faq-cta h2 {
  margin: 4px 0 0;
  font-family: var(--font-title);
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-bg);
}

.page-faq .faq-cta p {
  margin: 8px 0 0;
  max-width: 56ch;
  color: rgba(11, 27, 43, 0.82);
  line-height: 1.7;
  font-size: 0.95rem;
}

.page-faq .faq-cta .btn {
  position: relative;
  z-index: 1;
  align-self: flex-start;
  white-space: nowrap;
}

.page-faq .faq-cta .btn--primary {
  background: var(--color-bg);
  border-color: var(--color-bg);
  color: var(--color-accent);
}

.page-faq .faq-cta .btn--primary:hover {
  background: #132C42;
  border-color: #132C42;
  color: var(--color-gold);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 700px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
    align-items: stretch;
  }

  .page-faq .faq-hero {
    padding-top: 72px;
    padding-bottom: 52px;
  }

  .page-faq .faq-hero__side {
    padding: 22px;
  }

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

@media (min-width: 880px) {
  .page-faq .faq-layout {
    grid-template-columns: 310px minmax(0, 1fr);
    align-items: start;
    gap: 52px;
  }

  .page-faq .faq-index__inner {
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
  }

  .page-faq .faq-content {
    gap: 64px;
  }

  .page-faq .faq-card__body {
    font-size: 0.98rem;
  }

  .page-faq .faq-media figcaption {
    font-size: 0.84rem;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-toolbar {
    padding-left: 2px;
    padding-right: 2px;
  }

  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 46px 52px;
  }

  .page-faq .faq-cta .btn--primary {
    flex: 0 0 auto;
  }
}