/* ========== 页面作用域：疑问解答 ========== */
.page-faq {
  --faq-slice: 32px;
  background: var(--porcelain);
}
.page-faq img {
  max-width: 100%;
  height: auto;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 7vw, 6rem);
  background:
    linear-gradient(135deg, rgba(0, 230, 118, 0.08) 0%, transparent 44%),
    radial-gradient(circle at 88% 12%, rgba(255, 109, 0, 0.16) 0%, transparent 32%),
    var(--night-blue);
  color: var(--porcelain);
  overflow: hidden;
}
.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}
.page-faq .faq-hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.page-faq .faq-hero-kicker {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--field-green);
  border: 1px solid rgba(0, 230, 118, 0.4);
  padding: 0.45rem 0.8rem;
  margin-bottom: 1.25rem;
}
.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5.4vw, 3.8rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
  max-width: 24ch;
  text-wrap: balance;
}
.page-faq .faq-hero-desc {
  font-family: var(--font-body);
  font-size: 1.02rem;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.78);
  max-width: 54rem;
  margin: 0;
}
.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
  margin-top: 2.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(245, 247, 250, 0.14);
}
.page-faq .faq-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-faq .faq-hero-stat .data-stat {
  font-family: var(--font-data);
  font-size: 1.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--porcelain);
}
.page-faq .faq-hero-stat .data-label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--steel-mist);
}
.page-faq .faq-hero-media {
  position: relative;
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}
.page-faq .faq-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 60%, rgba(0, 230, 118, 0.1));
  pointer-events: none;
}
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--steel-mist);
}
.page-faq .breadcrumb a {
  color: var(--field-green);
  text-decoration: none;
}
.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

/* 分类导航 */
.page-faq .faq-nav {
  position: sticky;
  top: calc(var(--header-h) + var(--ticker-h));
  z-index: 30;
  background: rgba(245, 247, 250, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(10, 31, 68, 0.1);
  padding: 0.75rem 0;
}
.page-faq .faq-nav-inner {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.page-faq .faq-nav-inner::-webkit-scrollbar {
  display: none;
}
.page-faq .faq-nav-link {
  flex: 0 0 auto;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-blue);
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  border: 1px solid rgba(10, 31, 68, 0.16);
  background: rgba(255, 255, 255, 0.5);
  white-space: nowrap;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.page-faq .faq-nav-link--teal {
  border-left: 4px solid var(--deep-teal);
}
.page-faq .faq-nav-link--indigo {
  border-left: 4px solid var(--indigo);
}
.page-faq .faq-nav-link--wine {
  border-left: 4px solid var(--wine);
}
.page-faq .faq-nav-link--blue {
  border-left: 4px solid var(--ink-blue);
}
.page-faq .faq-nav-link--light {
  border-left: 4px solid var(--steel-mist);
}
.page-faq .faq-nav-link:hover,
.page-faq .faq-nav-link:focus-visible {
  background: var(--ink-blue);
  color: var(--porcelain);
  border-color: var(--ink-blue);
}

/* 问答类别 */
.page-faq .faq-category {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + var(--ticker-h) + 8px);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  color: var(--porcelain);
}
.page-faq .faq-category::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  clip-path: polygon(0 0, 100% 0, calc(100% - var(--faq-slice)) 100%, 0 100%);
}
.page-faq .faq-category::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--field-green), transparent 64%);
}
.page-faq .faq-category--teal::before {
  background: var(--deep-teal);
}
.page-faq .faq-category--indigo::before {
  background: var(--indigo);
}
.page-faq .faq-category--wine::before {
  background: var(--wine);
}
.page-faq .faq-category--blue::before {
  background: var(--ink-blue);
}
.page-faq .faq-category--light::before {
  background: var(--ice-white);
}
.page-faq .faq-category:target::after {
  height: 4px;
  background: var(--field-green);
}
.page-faq .faq-category--light {
  color: var(--ink-blue);
}
.page-faq .faq-category-grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2rem;
}

/* 类别头部 */
.page-faq .faq-category-head {
  border-left: 4px solid rgba(0, 230, 118, 0.85);
  padding-left: 1.25rem;
}
.page-faq .faq-cat-num {
  display: block;
  font-family: var(--font-data);
  font-size: 2.75rem;
  line-height: 1;
  color: rgba(245, 247, 250, 0.28);
  margin-bottom: 0.75rem;
}
.page-faq .faq-category-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  line-height: 1.12;
  margin: 0 0 0.9rem;
  color: var(--porcelain);
}
.page-faq .faq-category-head p {
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.74);
  margin: 0 0 1.15rem;
}
.page-faq .faq-head-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--field-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 230, 118, 0.35);
  padding-bottom: 2px;
}
.page-faq .faq-head-link::after {
  content: "→";
  transition: transform 0.2s var(--ease-out);
}
.page-faq .faq-head-link:hover::after {
  transform: translateX(4px);
}

/* 浅色类别文字调整 */
.page-faq .faq-category--light .faq-cat-num {
  color: rgba(10, 31, 68, 0.24);
}
.page-faq .faq-category--light .faq-category-head h2 {
  color: var(--ink-blue);
}
.page-faq .faq-category--light .faq-category-head p {
  color: rgba(10, 31, 68, 0.68);
}
.page-faq .faq-category--light .faq-head-link {
  color: var(--deep-teal);
  border-color: rgba(15, 76, 92, 0.4);
}

/* 问答主体 */
.page-faq .faq-category-body {
  display: grid;
  gap: 0;
}
.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid rgba(245, 247, 250, 0.16);
}
.page-faq .faq-item:first-child {
  border-top: 1px solid rgba(245, 247, 250, 0.16);
}
.page-faq .faq-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1.35rem 0.5rem 1.35rem 0;
  margin: 0;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--porcelain);
}
.page-faq .faq-q-num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--field-green);
  padding-top: 0.3rem;
  font-weight: 700;
}
.page-faq .faq-q-text {
  flex: 1 1 auto;
}
.page-faq .faq-q-icon {
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  position: relative;
  margin-top: 0.3rem;
  border: 1px solid rgba(0, 230, 118, 0.5);
}
.page-faq .faq-q-icon::before,
.page-faq .faq-q-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--field-green);
  transition: transform 0.25s var(--ease-out);
}
.page-faq .faq-q-icon::before {
  width: 10px;
  height: 2px;
}
.page-faq .faq-q-icon::after {
  width: 2px;
  height: 10px;
}
.page-faq .faq-check:checked + .faq-q .faq-q-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}
.page-faq .faq-check:focus-visible + .faq-q {
  outline: 2px solid var(--field-green);
  outline-offset: 2px;
}
.page-faq .faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s var(--ease-out);
}
.page-faq .faq-a-inner {
  overflow: hidden;
  padding: 0 2.5rem 1.4rem 2.5rem;
}
.page-faq .faq-a p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: rgba(245, 247, 250, 0.82);
  border-left: 3px solid var(--field-green);
  padding-left: 1.1rem;
}
.page-faq .faq-check:checked ~ .faq-a {
  grid-template-rows: 1fr;
}

/* 浅色类别问答调整 */
.page-faq .faq-category--light .faq-item,
.page-faq .faq-category--light .faq-item:first-child {
  border-color: rgba(10, 31, 68, 0.14);
}
.page-faq .faq-category--light .faq-q {
  color: var(--ink-blue);
}
.page-faq .faq-category--light .faq-q-num {
  color: var(--deep-teal);
}
.page-faq .faq-category--light .faq-a p {
  color: rgba(10, 31, 68, 0.74);
  border-left-color: var(--deep-teal);
}
.page-faq .faq-category--light .faq-q-icon {
  border-color: rgba(10, 31, 68, 0.35);
}
.page-faq .faq-category--light .faq-q-icon::before,
.page-faq .faq-category--light .faq-q-icon::after {
  background: var(--ink-blue);
}

/* 月历示例图 */
.page-faq .faq-media {
  margin: 2.2rem 0 0;
  border: 1px solid rgba(245, 247, 250, 0.22);
  padding: 0.45rem;
  background: rgba(0, 0, 0, 0.08);
}
.page-faq .faq-media img {
  width: 100%;
  height: auto;
  display: block;
}
.page-faq .faq-media figcaption {
  padding: 0.75rem 0.5rem 0.35rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: rgba(245, 247, 250, 0.68);
}

/* 底部联系 CTA */
.page-faq .faq-more {
  position: relative;
  background: var(--night-blue);
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  color: var(--porcelain);
  overflow: hidden;
}
.page-faq .faq-more::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -80px;
  top: -80px;
  background: radial-gradient(circle, rgba(255, 109, 0, 0.3) 0%, transparent 70%);
  pointer-events: none;
}
.page-faq .faq-more-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  align-items: center;
}
.page-faq .faq-more-kicker {
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--field-green);
}
.page-faq .faq-more h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.12;
  margin: 0.75rem 0 1rem;
}
.page-faq .faq-more-desc {
  font-size: 0.98rem;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.72);
  max-width: 46rem;
  margin: 0;
}
.page-faq .faq-more-contact {
  margin-top: 1.2rem;
  font-family: var(--font-data);
  font-size: 0.88rem;
  color: var(--field-green);
}
.page-faq .faq-more .btn-primary {
  display: inline-block;
  background: var(--field-green);
  color: var(--ink-blue);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.95rem 1.7rem;
  text-align: center;
  text-decoration: none;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: background 0.2s var(--ease-out);
}
.page-faq .faq-more .btn-primary:hover {
  background: var(--signal-orange);
}

/* 桌面端响应 */
@media (min-width: 860px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
  .page-faq .faq-hero-media {
    aspect-ratio: 5 / 3;
  }
  .page-faq .faq-category-grid {
    grid-template-columns: minmax(260px, 0.85fr) 1.5fr;
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: start;
  }
  .page-faq .faq-more-inner {
    grid-template-columns: 1fr auto;
  }
}