.page-faq {
  --faq-sidebar-w: 280px;
  --faq-item-offset: 1.5rem;
  --faq-dark: #0A1F44;
  --faq-accent: #FF6B00;
  background: var(--color-bg);
  color: var(--color-dark);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* ========== 首屏 ========== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-dark);
  padding-top: calc(var(--header-h) + 2.5rem);
  padding-bottom: 3.25rem;
  color: #fff;
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -8%;
  top: -12%;
  width: 120px;
  height: 120px;
  background: var(--color-accent);
  opacity: 0.18;
  border-radius: 50%;
  filter: blur(64px);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -36%;
  width: 48%;
  height: 170%;
  background: var(--color-dark-variant);
  transform: rotate(15deg);
  z-index: 0;
}
.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}
.page-faq .faq-hero .breadcrumb-list li {
  display: flex;
  align-items: center;
}
.page-faq .faq-hero .breadcrumb-list li + li::before {
  content: "→";
  margin-right: 0.4rem;
  color: rgba(255, 255, 255, 0.38);
}
.page-faq .faq-hero .breadcrumb-list a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq .faq-hero .breadcrumb-list a:hover {
  color: #fff;
}
.page-faq .faq-hero .breadcrumb-list [aria-current="page"] {
  color: var(--color-accent-light);
}
.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.page-faq .faq-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.8rem;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-light);
}
.page-faq .faq-hero-kicker::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--color-accent);
  transform: skewX(-20deg);
}
.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-head);
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: 0.01em;
  max-width: 15em;
}
.page-faq .faq-hero-desc {
  margin: 0 0 1.5rem;
  max-width: 46em;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.02rem;
  line-height: 1.8;
}
.page-faq .faq-hero-btn {
  display: inline-block;
}
.page-faq .faq-hero-panel {
  align-self: end;
  display: grid;
  gap: 1rem;
  padding: 1.5rem 1.25rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
}
.page-faq .faq-hero-stat {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 0 0.5rem;
}
.page-faq .faq-hero-num {
  font-family: var(--font-data);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}
.page-faq .faq-hero-unit {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent-light);
}
.page-faq .faq-hero-label {
  grid-column: 1 / -1;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.66);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.6fr 1fr;
    align-items: end;
    gap: 2.5rem;
  }
  .page-faq .faq-hero-panel {
    padding: 1.75rem 1.5rem;
  }
}

/* ========== 主体双栏 ========== */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 2.25rem;
  padding-bottom: 4.5rem;
}

.page-faq .faq-dir {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 1.25rem 1.1rem;
  box-shadow: var(--shadow-card);
}
.page-faq .faq-dir-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
}
.page-faq .faq-dir-icon {
  width: 9px;
  height: 9px;
  background: var(--color-accent);
  transform: rotate(45deg);
}
.page-faq .faq-dir-title {
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-dark);
}
.page-faq .faq-dir-list {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  scrollbar-width: thin;
}
.page-faq .faq-dir-list::-webkit-scrollbar {
  height: 3px;
}
.page-faq .faq-dir-list::-webkit-scrollbar-thumb {
  background: var(--color-blue-soft);
  border-radius: 3px;
}
.page-faq .faq-dir-link {
  display: block;
  flex: 0 0 auto;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-dark-variant);
  font-size: 0.84rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.page-faq .faq-dir-link:hover,
.page-faq .faq-dir-link[aria-current="true"] {
  background: var(--color-dark);
  border-color: var(--color-dark);
  color: #fff;
}
.page-faq .faq-dir-progress {
  height: 3px;
  margin: 1rem 0 0.9rem;
  overflow: hidden;
  border-radius: 3px;
  background: rgba(62, 92, 138, 0.14);
}
.page-faq .faq-dir-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform-origin: left center;
  transform: scaleX(0.35);
}
.page-faq .faq-dir-cta {
  display: block;
  width: 100%;
  text-align: center;
}
.page-faq .faq-dir-note {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-gray);
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    align-items: start;
    gap: 2.5rem;
    padding-top: 3.25rem;
  }
  .page-faq .faq-dir {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    z-index: 6;
  }
  .page-faq .faq-dir-list {
    display: block;
    overflow: visible;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--color-line);
  }
  .page-faq .faq-dir-link {
    padding: 0.72rem 0.4rem;
    border: 0;
    border-bottom: 1px solid var(--color-line);
    border-left: 3px solid transparent;
    border-radius: 0;
    background: transparent;
    color: var(--color-dark-variant);
    font-size: 0.9rem;
    font-weight: 500;
    white-space: normal;
    transition: border-color var(--transition-fast), color var(--transition-fast), padding-left var(--transition-fast);
  }
  .page-faq .faq-dir-link:hover,
  .page-faq .faq-dir-link[aria-current="true"] {
    background: transparent;
    border-color: var(--color-accent);
    border-left-color: var(--color-accent);
    color: var(--color-accent);
    padding-left: 0.85rem;
  }
}

/* ========== 章节 ========== */
.page-faq .faq-section {
  margin-bottom: 3.25rem;
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}
.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  margin-bottom: 1.35rem;
  padding-left: 1rem;
  border-left: 4px solid var(--color-accent);
}
.page-faq .faq-section-no {
  font-family: var(--font-data);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  color: rgba(10, 31, 68, 0.22);
}
.page-faq .faq-section-head h2 {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-dark);
}
.page-faq .faq-section-head p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-gray);
  max-width: 44em;
}

/* ========== 示意图 ========== */
.page-faq .faq-figure {
  margin: 0 0 1.4rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-dark), var(--color-dark-variant) 70%, var(--color-blue-soft));
}
.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ========== 手风琴卡片 ========== */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 0.9rem;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-left: 4px solid transparent;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-med), box-shadow var(--transition-med);
}
.page-faq .faq-item[open] {
  border-left-color: var(--color-accent);
  box-shadow: 0 8px 30px rgba(10, 31, 68, 0.14);
}
.page-faq .faq-section details.faq-item:nth-of-type(even) {
  margin-left: var(--faq-item-offset);
}
@media (max-width: 767px) {
  .page-faq .faq-section details.faq-item:nth-of-type(even) {
    margin-left: 0;
  }
}

.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--color-dark);
  background: var(--color-white);
  transition: background var(--transition-med), color var(--transition-med);
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q-text {
  flex: 1;
  min-width: 0;
}
.page-faq .faq-q-icon {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-head);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  background: var(--color-dark);
  border-radius: 8px;
  transform: skewX(-8deg);
  transition: background var(--transition-med);
}
.page-faq .faq-q-marker {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  color: var(--color-blue-soft);
}
.page-faq .faq-q-marker::before,
.page-faq .faq-q-marker::after {
  content: "";
  position: absolute;
  background: currentColor;
  transition: transform var(--transition-med), background var(--transition-med);
}
.page-faq .faq-q-marker::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}
.page-faq .faq-q-marker::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}
.page-faq .faq-item[open] .faq-q-marker::after {
  transform: scaleY(0);
}
.page-faq .faq-item[open] .faq-q {
  background: linear-gradient(110deg, var(--color-dark) 0%, var(--color-dark-variant) 62%, #16345f 100%);
  color: #fff;
}
.page-faq .faq-item[open] .faq-q-icon {
  background: var(--color-accent);
}
.page-faq .faq-item[open] .faq-q-marker {
  color: #fff;
}

.page-faq .faq-a {
  padding: 1.1rem 1.15rem 1.3rem;
  border-top: 1px dashed var(--color-line);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--color-dark-variant);
  animation: page-faq-answer-in 0.4s ease;
}
@keyframes page-faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-faq .faq-a p {
  margin: 0 0 0.7rem;
}
.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

/* ========== 步骤与勾选 ========== */
.page-faq .faq-steps {
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
}
.page-faq .faq-step {
  position: relative;
  margin-bottom: 0.65rem;
  padding-left: 2.3rem;
  counter-increment: faq-step;
}
.page-faq .faq-step:last-child {
  margin-bottom: 0;
}
.page-faq .faq-step::before {
  content: counter(faq-step);
  position: absolute;
  top: 0.12rem;
  left: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-dark);
  background: rgba(10, 31, 68, 0.08);
  border-radius: 50%;
}
.page-faq .faq-step-check {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-faq .faq-step label {
  position: relative;
  display: block;
  padding-right: 1.75rem;
  cursor: pointer;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
.page-faq .faq-step label::after {
  content: "";
  position: absolute;
  top: 0.38rem;
  right: 0;
  width: 15px;
  height: 15px;
  border: 2px solid var(--color-blue-soft);
  border-radius: 4px;
  background: var(--color-white);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.page-faq .faq-step-check:checked + label {
  color: var(--color-gray);
  text-decoration: line-through;
  opacity: 0.78;
}
.page-faq .faq-step-check:checked + label::after {
  border-color: var(--color-accent);
  background: var(--color-accent);
}
.page-faq .faq-step-check:checked + label::before {
  content: "";
  position: absolute;
  top: 0.28rem;
  right: 3px;
  z-index: 1;
  width: 8px;
  height: 4px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.page-faq .faq-a code {
  padding: 0.08em 0.4em;
  font-family: var(--font-data);
  font-size: 0.86em;
  border: 1px solid rgba(10, 31, 68, 0.12);
  border-radius: 3px;
  background: rgba(10, 31, 68, 0.06);
  color: var(--color-dark);
}
.page-faq .faq-item[open] .faq-a code {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.page-faq .faq-more {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--color-gray);
}
.page-faq .faq-more a {
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}
.page-faq .faq-more a:hover {
  text-decoration: underline;
}

/* ========== 内嵌图片 ========== */
.page-faq .faq-inline-img {
  max-width: 160px;
  margin: 0 0 1rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 10px;
}
.page-faq .faq-inline-img img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
@media (min-width: 720px) {
  .page-faq .faq-inline-img {
    float: right;
    width: 200px;
    max-width: 200px;
    margin: 0 0 1rem 1.25rem;
  }
}

/* ========== 索引对照表 ========== */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-line);
  border-radius: 12px;
  background: var(--color-white);
  box-shadow: var(--shadow-card);
}
.page-faq .faq-index-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.page-faq .faq-index-table th {
  padding: 0.8rem 1rem;
  background: var(--color-dark);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: left;
  white-space: nowrap;
}
.page-faq .faq-index-table th:first-child {
  border-radius: 11px 0 0 0;
}
.page-faq .faq-index-table th:last-child {
  border-radius: 0 11px 0 0;
}
.page-faq .faq-index-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
  line-height: 1.65;
}
.page-faq .faq-index-table tr:last-child td {
  border-bottom: 0;
}
.page-faq .faq-index-table tbody tr:nth-child(even) {
  background: rgba(245, 247, 250, 0.85);
}
.page-faq .faq-index-table td:first-child {
  font-weight: 600;
  color: var(--color-dark);
}
.page-faq .faq-index-table td:nth-child(2) {
  font-family: var(--font-data);
  font-size: 0.84rem;
  color: var(--color-dark-variant);
}
.page-faq .faq-index-table td:nth-child(2) a {
  color: var(--color-accent);
  text-decoration: none;
}
.page-faq .faq-index-table td:nth-child(2) a:hover {
  text-decoration: underline;
}
.page-faq .faq-index-table td:last-child {
  color: var(--color-gray);
  font-size: 0.85rem;
}

/* ========== 联系 CTA ========== */
.page-faq .faq-contact {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.25rem;
  padding: 2rem 1.5rem;
  color: #fff;
  background: linear-gradient(115deg, var(--color-dark) 0%, var(--color-dark-variant) 68%, var(--color-accent) 190%);
  border-radius: 14px;
}
.page-faq .faq-contact h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-head);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
}
.page-faq .faq-contact p {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}
.page-faq .faq-contact-line {
  margin-top: 0.75rem !important;
  font-family: var(--font-data);
  font-size: 0.88rem !important;
  color: var(--color-accent-light) !important;
}
.page-faq .faq-contact .btn {
  justify-self: start;
}
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 2.25rem 2.5rem;
  }
  .page-faq .faq-contact .btn {
    justify-self: center;
  }
}