.page-faq {
  --faq-panel: rgba(14, 26, 56, 0.72);
  --faq-line: rgba(0, 229, 199, 0.22);
  color: var(--white);
}

.page-faq .faq-inner {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

/* 面包屑 */
.page-faq .breadcrumb {
  margin-top: 1.25rem;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.7rem;
  color: rgba(154, 168, 199, 0.5);
}

.page-faq .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  text-decoration: underline;
}

/* 首屏：对角错位色块 */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(2rem, 6vw, 4.25rem) 0 clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(150deg, rgba(0, 229, 199, 0.15) 0%, rgba(28, 23, 64, 0.52) 44%, rgba(7, 13, 31, 0) 76%);
  clip-path: polygon(0 0, 100% 0, 56% 100%, 0 76%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 2%;
  right: -12%;
  width: min(460px, 70vw);
  aspect-ratio: 1;
  z-index: -1;
  background: radial-gradient(circle at 42% 46%, rgba(255, 122, 60, 0.22), rgba(255, 122, 60, 0) 70%);
  pointer-events: none;
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  max-width: 26ch;
  font-size: clamp(1.85rem, 5.4vw, 3.3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 246, 255, 0.82);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--faq-line);
  list-style: none;
}

.page-faq .faq-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-faq .faq-hero__num {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__cap {
  font-size: var(--fs-14);
  line-height: 1.55;
  color: var(--mist);
}

/* 横向主题带目录 */
.page-faq .faq-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  border-block: 1px solid var(--faq-line);
  background: linear-gradient(90deg, rgba(14, 26, 56, 0.92), rgba(11, 59, 60, 0.62));
  backdrop-filter: blur(8px);
}

.page-faq .faq-toc__inner {
  display: flex;
  gap: 0.15rem;
  padding-block: 0.15rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-toc .band__item {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.85rem 0.95rem;
  border-bottom: 2px solid transparent;
  font-size: var(--fs-14);
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
}

.page-faq .faq-toc .band__item:hover,
.page-faq .faq-toc .band__item:focus-visible {
  color: var(--white);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-toc .band__item .mono {
  font-size: var(--fs-12);
  color: var(--cyan);
}

/* 章节骨架 */
.page-faq .faq-step {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.page-faq .faq-step--alt {
  background: linear-gradient(180deg, rgba(11, 59, 60, 0.3), rgba(7, 13, 31, 0) 72%);
}

.page-faq .faq-step__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-faq .faq-step__num {
  flex: none;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  color: var(--cyan);
  opacity: 0.85;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__title .eyebrow {
  margin: 0 0 0.3rem;
}

.page-faq .faq-step__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
}

.page-faq .faq-step__lead {
  margin: 0 0 1.35rem;
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: rgba(242, 246, 255, 0.82);
}

.page-faq .faq-step__lead a,
.page-faq .faq-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, 0.4);
}

.page-faq .faq-step__lead a:hover,
.page-faq .faq-links a:hover {
  border-bottom-color: var(--cyan);
}

/* 分栏 */
.page-faq .faq-split {
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

/* 步骤列表 */
.page-faq .faq-flow {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-flow__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.95rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: var(--faq-panel);
}

.page-faq .faq-flow__num {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--faq-line);
  border-radius: 50%;
  font-size: var(--fs-14);
  color: var(--cyan);
}

.page-faq .faq-flow__title {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-flow__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* 轮次轨道 */
.page-faq .faq-rail {
  display: grid;
  gap: 1.25rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__item {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(14, 26, 56, 0.55);
}

.page-faq .faq-rail__idx {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  height: 2rem;
  padding: 0 0.8rem;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  background: var(--space);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-rail__title {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
}

.page-faq .faq-rail__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* 配图 */
.page-faq .faq-shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, var(--violet), var(--zone) 55%, var(--space));
  box-shadow: var(--shadow-deep);
}

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

.page-faq .faq-shot figcaption {
  padding: 0.85rem 1.1rem 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-12);
  line-height: 1.75;
  color: var(--mist);
}

/* 旁注卡片 */
.page-faq .faq-panel {
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, rgba(11, 59, 60, 0.6), rgba(14, 26, 56, 0.8));
}

.page-faq .faq-panel h3 {
  margin: 0 0 0.55rem;
  font-size: var(--fs-16);
  font-weight: 700;
}

.page-faq .faq-panel p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .aside-note {
  margin-top: 1.2rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* 数据看板：不对称栅格 */
.page-faq .faq-board {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-faq .faq-view {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.35rem 1.4rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(14, 26, 56, 0.62);
}

.page-faq .faq-view--lead {
  border-color: var(--faq-line);
  background: linear-gradient(155deg, rgba(28, 23, 64, 0.92), rgba(11, 59, 60, 0.62));
}

.page-faq .faq-view__idx {
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--electric);
}

.page-faq .faq-view h3 {
  margin: 0;
  font-size: var(--fs-20);
  font-weight: 700;
}

.page-faq .faq-view p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

/* 集锦筛选 */
.page-faq .faq-filter {
  margin-top: 1.25rem;
  padding: 1.35rem 1.4rem;
  border: 1px dashed var(--faq-line);
  border-radius: var(--radius-m);
  background: rgba(7, 13, 31, 0.55);
}

.page-faq .faq-filter h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-20);
  font-weight: 700;
}

.page-faq .faq-filter > p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-filter__list {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-filter__list li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-filter__list .mono {
  flex: none;
  min-width: 3.4rem;
  font-size: var(--fs-12);
  color: var(--cyan);
}

/* 反馈 */
.page-faq .faq-feedback-grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-contact {
  padding: 1.5rem 1.5rem 1.6rem;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-l);
  background: linear-gradient(155deg, rgba(0, 229, 199, 0.12), rgba(14, 26, 56, 0.88) 62%);
}

.page-faq .faq-contact > p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(242, 246, 255, 0.86);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0.9rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-faq .faq-contact__key {
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-contact__val {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact__hint {
  margin-top: 1.1rem !important;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-help h3 {
  margin: 0 0 0.5rem;
  font-size: var(--fs-20);
  font-weight: 700;
}

.page-faq .faq-q {
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-q:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 0;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  color: var(--cyan);
  line-height: 1;
}

.page-faq .faq-q[open] summary::after {
  content: "\2212";
}

.page-faq .faq-q summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-q p {
  margin: 0 0 1rem;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-links {
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--mist);
}

/* 标签切换与数据卡点的视觉点缀 */
.page-faq .faq-view--lead::before {
  content: "";
  display: block;
  width: 54px;
  height: 3px;
  margin-bottom: 0.35rem;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  border-radius: 999px;
}

.page-faq .faq-step--alt .faq-rail__item:hover,
.page-faq .faq-flow__item:hover {
  border-color: var(--faq-line);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-faq .faq-filter__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-faq .faq-rail {
    position: relative;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 1.75rem;
    margin-top: 2.25rem;
    padding-top: 1.6rem;
  }

  .page-faq .faq-rail::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 2.6rem;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 199, 0.12));
  }

  .page-faq .faq-rail__item {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .page-faq .faq-board {
    grid-template-columns: 1.55fr minmax(0, 1fr);
    grid-template-rows: auto auto;
    align-items: stretch;
  }

  .page-faq .faq-view--lead {
    grid-row: span 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    column-gap: 2.25rem;
  }

  .page-faq .faq-split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  }

  .page-faq .faq-feedback-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    column-gap: 2.25rem;
  }
}