.page-faq {
  background: var(--color-bg-light);
  font-family: var(--font-body);
  color: var(--color-text-dark);
}
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== 首屏 ===== */
.faq-hero {
  background: var(--color-primary);
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 32px 0 48px;
}
.faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}
.faq-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -60px;
  width: 300px;
  height: 220px;
  background: linear-gradient(105deg, transparent 28%, rgba(57,255,20,0.16) 28%, rgba(57,255,20,0.16) 48%, transparent 48%);
  transform: skewX(-14deg);
  pointer-events: none;
}
.faq-hero .site-container {
  position: relative;
  z-index: 1;
}
.faq-hero .site-breadcrumb__link,
.faq-hero .site-breadcrumb__current {
  color: rgba(255,255,255,0.72);
}
.faq-hero .site-breadcrumb__link:hover {
  color: var(--color-accent);
}
.faq-hero .site-breadcrumb__sep {
  color: rgba(255,255,255,0.4);
}
.faq-hero .eyebrow {
  color: var(--color-accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}
.faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.faq-hero__content {
  max-width: 760px;
}
.faq-hero__title {
  font-family: var(--font-title);
  font-size: 34px;
  line-height: 1.06;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: #fff;
}
.faq-hero__lead {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
  margin: 0 0 22px;
}
.faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.faq-hero__stat {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  border: 1px solid rgba(57,255,20,0.35);
  background: rgba(57,255,20,0.08);
  padding: 6px 10px;
}
.faq-hero__badge {
  display: none;
}

/* ===== 主体布局 ===== */
.faq-layout {
  padding: 32px 0 0;
}
@media (min-width: 900px) {
  .faq-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 48px;
    align-items: start;
    padding-top: 56px;
  }
}
@media (min-width: 1280px) {
  .faq-layout {
    grid-template-columns: 320px 1fr;
    gap: 64px;
  }
}

/* ===== 左侧目录 ===== */
.faq-directory {
  background: var(--color-primary);
  color: #fff;
  padding: 26px 24px 24px;
  border-left: 4px solid var(--color-accent);
  position: relative;
  margin-bottom: 32px;
}
@media (min-width: 900px) {
  .faq-directory {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--topbar-height) + var(--navbar-height) + 24px);
    max-height: calc(100vh - var(--topbar-height) - var(--navbar-height) - 48px);
    overflow-y: auto;
  }
}
.faq-directory::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 90px;
  height: 6px;
  background: linear-gradient(90deg, transparent, rgba(255,107,0,0.7));
}
.faq-directory__label {
  font-family: var(--font-title);
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.16);
  color: var(--color-accent);
}
.faq-directory__label::after {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  margin-top: 10px;
  background: repeating-linear-gradient(90deg, var(--color-accent) 0 8px, transparent 8px 12px);
}
.faq-directory__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.faq-directory__group {
  margin-bottom: 18px;
}
.faq-directory__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  padding: 6px 0 2px;
}
.faq-directory__head:hover,
.faq-directory__head:focus-visible {
  color: var(--color-accent);
}
.faq-directory__num {
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--color-accent);
}
.faq-directory__name {
  font-family: var(--font-title);
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.faq-directory__sub {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 0 0 28px;
}
.faq-directory__sub li + li {
  margin-top: 6px;
}
.faq-directory__sub a {
  color: rgba(255,255,255,0.68);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.faq-directory__sub a:hover,
.faq-directory__sub a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: rgba(57,255,20,0.4);
}
.faq-directory__tags {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.16);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.faq-directory__tag {
  font-size: 11px;
  color: rgba(255,255,255,0.78);
  border: 1px solid rgba(255,255,255,0.22);
  padding: 4px 8px;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.faq-directory__tag:hover,
.faq-directory__tag:focus-visible {
  color: #fff;
  border-color: var(--color-accent);
}
.faq-directory__cta {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.16);
}
.faq-directory__cta-text {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  margin: 0 0 12px;
}

/* ===== 右侧内容 ===== */
.faq-content {
  min-width: 0;
}
.faq-section {
  margin-bottom: 48px;
}
.faq-section__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
  padding: 14px 0;
  border-top: 3px solid var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}
.faq-section__num {
  font-family: var(--font-title);
  font-size: 24px;
  line-height: 1.2;
  color: var(--color-accent);
  background: var(--color-primary);
  padding: 4px 12px 4px 16px;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%);
  display: inline-flex;
  align-items: center;
}
.faq-section__title {
  font-family: var(--font-title);
  font-size: 24px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0;
}
.faq-section__tick {
  font-size: 11px;
  color: var(--color-text-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ===== 折叠问答 ===== */
.faq-item {
  margin-bottom: 14px;
}
.faq-item__details {
  background: #fff;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-border);
  border-radius: 0 8px 8px 0;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.faq-item__details:hover {
  border-left-color: var(--color-accent);
  box-shadow: 4px 4px 0 rgba(10,31,68,0.06);
}
.faq-item__details[open] {
  border-left-color: var(--color-accent);
  box-shadow: 4px 4px 0 rgba(10,31,68,0.06);
}
.faq-item__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.35;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-text-dark);
  user-select: none;
}
.faq-item__summary::-webkit-details-marker {
  display: none;
}
.faq-item__q {
  display: block;
}
.faq-item__summary::after {
  content: "+";
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--color-primary);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 17px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.faq-item__details[open] .faq-item__summary::after {
  content: "–";
  background: var(--color-accent);
  color: var(--color-primary);
}
.faq-item__answer {
  padding: 2px 18px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-dark);
}
.faq-item__details[open] .faq-item__answer {
  animation: faqFadeIn 0.22s ease;
}
@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.faq-item__answer p {
  margin: 12px 0 0;
}
.faq-item__answer p:first-child {
  margin-top: 0;
}
.faq-item__answer ul,
.faq-item__answer ol {
  margin: 12px 0 0;
  padding-left: 20px;
}
.faq-item__answer li + li {
  margin-top: 6px;
}
.faq-item__answer a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(10,31,68,0.28);
  text-underline-offset: 3px;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}
.faq-item__answer a:hover,
.faq-item__answer a:focus-visible {
  color: var(--color-accent-alt);
  text-decoration-color: var(--color-accent-alt);
}

/* ===== 配图 ===== */
.faq-media {
  margin: 28px 0 0;
}
.faq-media img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  display: block;
}
.faq-media__caption {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 8px;
  text-align: right;
  letter-spacing: 0.04em;
  border-right: 3px solid var(--color-accent);
  padding-right: 10px;
}
.faq-media--refresh {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 联系列表 ===== */
.faq-contact-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
.faq-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
}
.faq-contact-list li:last-child {
  border-bottom: 0;
}
.faq-contact-list__tag {
  display: inline-flex;
  min-width: 42px;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 11px;
  line-height: 1;
  padding: 5px 8px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 50%, calc(100% - 6px) 100%, 0 100%);
}

/* ===== 结尾 CTA ===== */
.faq-epilogue {
  background: var(--color-primary);
  color: #fff;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  border-left: 4px solid var(--color-accent);
  margin-top: 8px;
}
.faq-epilogue::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 160px;
  height: 110px;
  background: rgba(255,107,0,0.24);
  transform: skewX(-12deg);
}
.faq-epilogue__title {
  font-family: var(--font-title);
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 0 0 10px;
  color: #fff;
  position: relative;
}
.faq-epilogue__text {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255,255,255,0.72);
  margin: 0 0 20px;
  max-width: 520px;
  position: relative;
}
.faq-epilogue__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  position: relative;
}
.faq-epilogue__phone {
  margin: 18px 0 0;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  position: relative;
}

/* ===== 桌面端增强 ===== */
@media (min-width: 1024px) {
  .faq-hero {
    padding: 40px 0 64px;
  }
  .faq-hero__grid {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 40px;
  }
  .faq-hero__badge {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.05);
    border-left: 4px solid var(--color-accent);
    padding: 16px 22px;
    transform: skewX(-8deg);
  }
  .faq-hero__badge > * {
    transform: skewX(8deg);
  }
  .faq-hero__badge-num {
    font-family: var(--font-title);
    font-size: 52px;
    line-height: 1;
    color: var(--color-accent);
  }
  .faq-hero__badge-label {
    font-size: 12px;
    line-height: 1.4;
    color: rgba(255,255,255,0.7);
    letter-spacing: 0.08em;
    white-space: nowrap;
  }
  .faq-hero__title {
    font-size: 60px;
  }
  .faq-hero__lead {
    font-size: 15px;
  }
  .faq-section {
    margin-bottom: 64px;
  }
  .faq-section__num {
    font-size: 28px;
  }
  .faq-section__title {
    font-size: 32px;
  }
  .faq-item__summary {
    font-size: 20px;
    padding: 20px 24px;
  }
  .faq-item__answer {
    padding: 4px 24px 24px;
  }
}