/* ========== FAQ 帮助中心页面专属样式 ========== */
.page-faq {
  --faq-bar: var(--color-ink);
  --faq-orange: var(--color-orange);
  --faq-cyan: var(--color-cyan);
  --faq-green: var(--color-green);
  --faq-paper: var(--color-paper);
  --faq-white: var(--color-white);
  --faq-ink: var(--color-gray);
  --faq-border-w: var(--border-w);
  --faq-radius-lg: 22px;
  --faq-radius-md: 14px;
  --faq-radius-sm: 10px;
  --faq-shadow: 0 8px 0 rgba(10, 31, 68, 0.1), 0 4px 18px rgba(10, 31, 68, 0.08);
  --faq-shadow-lift: 0 14px 0 rgba(10, 31, 68, 0.14), 0 10px 28px rgba(10, 31, 68, 0.12);
  background: var(--faq-paper);
  color: var(--faq-ink);
  font-family: var(--font-body);
}

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

.page-faq a {
  color: inherit;
}

/* ========== 首屏 ========== */
.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding: 28px 0 22px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--faq-bar);
}

.page-faq .faq-hero__accent {
  color: var(--faq-orange);
}

.page-faq .faq-hero__desc {
  max-width: 720px;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #333;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-faq .stat {
  margin: 0;
  min-width: 112px;
  background: var(--faq-white);
  border: 2px solid var(--faq-bar);
  border-radius: var(--faq-radius-sm);
  padding: 10px 14px;
  box-shadow: 3px 3px 0 rgba(10, 31, 68, 0.08);
}

.page-faq .stat__label {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  opacity: 0.75;
}

.page-faq .stat__num {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--faq-bar);
}

.page-faq .stat--cyan .stat__num {
  color: #0084a8;
}

.page-faq .stat--orange .stat__num {
  color: var(--faq-orange);
}

.page-faq .stat--green .stat__num {
  color: #008a3c;
}

.page-faq .faq-hero__visual {
  position: relative;
  align-self: center;
}

.page-faq .faq-hero__visual img {
  width: 100%;
  object-fit: cover;
  border: var(--faq-border-w) solid var(--faq-bar);
  border-radius: var(--faq-radius-lg);
  box-shadow: 10px 10px 0 var(--faq-orange);
}

.page-faq .faq-hero__badge {
  position: absolute;
  top: -14px;
  right: 14px;
}

/* ========== 快速定位 ========== */
.page-faq .faq-quick {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 10px 0 24px;
}

.page-faq .faq-quick__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--faq-bar);
}

.page-faq .faq-quick .pill-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-quick .pill-nav__btn {
  border: 2px solid var(--faq-bar);
  border-radius: 999px;
  padding: 8px 18px;
  background: var(--faq-white);
  color: var(--faq-bar);
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.page-faq .faq-quick .pill-nav__btn:hover,
.page-faq .faq-quick .pill-nav__btn:focus {
  background: var(--faq-bar);
  color: var(--faq-white);
  box-shadow: 4px 4px 0 var(--faq-orange);
}

/* ========== 左侧目录 + 右侧手风琴 ========== */
.page-faq .faq-layout {
  position: relative;
  display: grid;
  gap: 28px;
  padding: 8px 0 28px;
}

.page-faq .faq-layout::before {
  content: "";
  position: absolute;
  top: 40px;
  bottom: 40px;
  left: -14px;
  width: 10px;
  border-radius: 999px;
  background: var(--faq-bar);
  display: none;
}

.page-faq .faq-index {
  background: var(--faq-bar);
  border: var(--faq-border-w) solid var(--faq-bar);
  border-radius: var(--faq-radius-lg);
  padding: 26px 22px;
  color: var(--faq-white);
  box-shadow: var(--faq-shadow);
  align-self: start;
}

.page-faq .faq-index__eyebrow {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--faq-cyan);
}

.page-faq .faq-index__title {
  margin: 0 0 18px;
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--faq-white);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-index__item > a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  color: var(--faq-white);
  font-weight: 900;
  text-decoration: none;
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--faq-orange);
}

.page-faq .faq-index__sub {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-index__sub a {
  padding-left: 20px;
  border-left: 3px solid transparent;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.page-faq .faq-index__sub a:hover,
.page-faq .faq-index__sub a:focus {
  color: var(--faq-white);
  border-left-color: var(--faq-cyan);
}

.page-faq .faq-index__cta.btn {
  width: 100%;
  margin-top: 24px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  background: transparent;
  color: var(--faq-white);
  text-align: center;
}

.page-faq .faq-index__cta.btn:hover,
.page-faq .faq-index__cta.btn:focus {
  background: var(--faq-orange);
  border-color: var(--faq-orange);
  box-shadow: 4px 4px 0 var(--faq-cyan);
  color: var(--faq-white);
}

.page-faq .faq-index__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
}

.page-faq .faq-index__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--faq-green);
  box-shadow: 0 0 0 3px rgba(0, 200, 83, 0.22);
}

/* ========== 答案区 ========== */
.page-faq .faq-answers {
  display: grid;
  gap: 36px;
  min-width: 0;
}

.page-faq .faq-section__header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  padding: 14px 16px;
  background: var(--faq-white);
  border-left: 6px solid var(--faq-orange);
  border-radius: 0 var(--faq-radius-md) var(--faq-radius-md) 0;
  box-shadow: 3px 3px 0 rgba(10, 31, 68, 0.06);
}

.page-faq .faq-section__index {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--faq-orange);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 900;
  line-height: 1.3;
  color: var(--faq-bar);
}

.page-faq .faq-section__desc {
  margin: 4px 0 0;
  font-size: 0.9rem;
  color: #505b70;
}

.page-faq .faq-item {
  margin-bottom: 16px;
  background: var(--faq-white);
  border: var(--faq-border-w) solid var(--faq-bar);
  border-radius: var(--faq-radius-md);
  overflow: hidden;
  box-shadow: 4px 4px 0 rgba(10, 31, 68, 0.08);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-orange);
  box-shadow: 6px 6px 0 rgba(10, 31, 68, 0.1);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 14px;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 800;
  color: var(--faq-bar);
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--faq-cyan);
  outline-offset: -3px;
}

.page-faq .faq-item__icon {
  display: grid;
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--faq-bar);
  color: var(--faq-white);
}

.page-faq .faq-item[open] .faq-item__icon {
  background: var(--faq-orange);
}

.page-faq .faq-item__icon svg {
  width: 20px;
  height: 20px;
}

.page-faq .faq-item__question {
  flex: 1;
}

.page-faq .faq-item__toggle {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  border: 2px solid var(--faq-bar);
  border-radius: 50%;
  font-family: var(--font-mono);
  line-height: 1;
}

.page-faq .faq-item__toggle::before {
  content: "+";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.page-faq .faq-item[open] .faq-item__toggle::before {
  content: "−";
}

.page-faq .faq-item__answer {
  padding: 18px 14px;
  background: var(--faq-paper);
  border-top: 2px dashed rgba(10, 31, 68, 0.2);
  color: #2a2f3a;
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-faq .faq-item__answer p {
  margin: 0;
}

.page-faq .faq-item__answer-icon {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-right: 8px;
  border-radius: 8px;
  background: var(--faq-cyan);
  color: var(--faq-bar);
  vertical-align: text-bottom;
}

.page-faq .faq-item__answer-icon svg {
  width: 16px;
  height: 16px;
}

/* ========== 连接示意图 ========== */
.page-faq .faq-note {
  display: grid;
  gap: 22px;
  margin-top: 8px;
  padding: 24px;
  background: var(--faq-white);
  border: var(--faq-border-w) solid var(--faq-bar);
  border-radius: var(--faq-radius-lg);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-note__media img {
  width: 100%;
  object-fit: cover;
  border: 2px solid var(--faq-bar);
  border-radius: var(--faq-radius-md);
}

.page-faq .faq-note__content h2 {
  margin: 8px 0 12px;
  font-size: 1.4rem;
  color: var(--faq-bar);
  line-height: 1.3;
}

.page-faq .faq-note__content p {
  margin: 0 0 14px;
  color: #333;
  line-height: 1.8;
}

.page-faq .faq-note__content .btn {
  display: inline-block;
}

/* ========== 服务数据面板 ========== */
.page-faq .faq-dashboard {
  padding: 36px 0 20px;
}

.page-faq .faq-dashboard__heading {
  max-width: 680px;
  margin-bottom: 24px;
}

.page-faq .faq-dashboard__heading h2 {
  margin: 8px 0 8px;
  font-size: 1.6rem;
  color: var(--faq-bar);
  line-height: 1.3;
}

.page-faq .faq-dashboard__heading p {
  margin: 0;
  color: #505b70;
}

.page-faq .faq-dashboard__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.page-faq .faq-data-card {
  padding: 18px 14px;
  background: var(--faq-white);
  border: 2px solid var(--faq-bar);
  border-radius: var(--faq-radius-md);
  box-shadow: 4px 4px 0 rgba(10, 31, 68, 0.08);
}

.page-faq .faq-data-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--faq-orange);
}

.page-faq .faq-data-card__label {
  display: block;
  margin-top: 6px;
  font-size: 0.88rem;
  color: #505b70;
}

/* ========== 联系 CTA ========== */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin: 32px 0 48px;
  padding: 32px 24px;
  background: var(--faq-bar);
  border-radius: var(--faq-radius-lg);
  box-shadow: 8px 8px 0 var(--faq-orange);
  color: var(--faq-white);
}

.page-faq .faq-contact .eyebrow {
  color: var(--faq-cyan);
}

.page-faq .faq-contact h2 {
  margin: 6px 0 10px;
  font-size: 1.6rem;
  line-height: 1.3;
}

.page-faq .faq-contact p {
  margin: 0;
  opacity: 0.9;
  line-height: 1.8;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-contact .btn--primary {
  border: 2px solid var(--faq-white);
  background: var(--faq-orange);
  color: var(--faq-white);
  box-shadow: 4px 4px 0 rgba(255, 255, 255, 0.2);
}

.page-faq .faq-contact .btn--ghost {
  border: 2px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  color: var(--faq-white);
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .page-faq .faq-dashboard__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-hero__stats {
    justify-content: flex-start;
  }

  .page-faq .faq-item summary {
    padding: 20px 18px;
  }

  .page-faq .faq-item__answer {
    padding: 20px 18px;
  }

  .page-faq .faq-contact {
    padding: 36px 28px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 40px;
    padding: 48px 0 34px;
  }

  .page-faq .faq-quick {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 30px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 320px 1fr;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-layout::before {
    display: block;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 24px;
    padding: 28px 24px;
  }

  .page-faq .faq-note {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 32px;
    padding: 32px;
  }

  .page-faq .faq-dashboard__grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-faq .faq-data-card {
    padding: 20px 16px;
  }

  .page-faq .faq-contact {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 32px;
    padding: 40px 36px;
  }

  .page-faq .faq-contact__actions {
    justify-content: flex-end;
  }
}