.page-faq {
  position: relative;
  padding-bottom: clamp(52px, 8vw, 104px);
  background-image:
    radial-gradient(760px 420px at 88% -6%, rgba(95, 227, 208, 0.1), transparent 68%),
    radial-gradient(680px 380px at -8% 22%, rgba(255, 122, 47, 0.07), transparent 70%);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .breadcrumbs a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--orange);
}

.page-faq .breadcrumbs .breadcrumbs__item {
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.72fr);
    align-items: end;
  }
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 64px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.012em;
  color: var(--mist);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(243, 247, 250, 0.8);
}

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

.page-faq .faq-hero__side {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(22, 57, 90, 0.9), rgba(14, 42, 68, 0.55));
  box-shadow: inset 0 0 0 1px rgba(34, 83, 122, 0.5);
}

.page-faq .faq-hero__side .index-label {
  margin: 0;
  color: var(--slate);
}

.page-faq .faq-hero__quicklist {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero__quicklist a {
  display: block;
  padding: 9px 2px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34, 83, 122, 0.6);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-hero__quicklist li:last-child a {
  border-bottom: none;
}

.page-faq .faq-hero__quicklist a:hover,
.page-faq .faq-hero__quicklist a:focus-visible {
  color: var(--orange);
  border-color: rgba(255, 122, 47, 0.6);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 48px) auto 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  background: var(--ink-800);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-faq .faq-figure--inline {
  margin: 18px 0 0;
}

.page-faq .faq-figure--inline img {
  border-radius: var(--radius-md);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 3.4vw, 48px);
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-main {
  min-width: 0;
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    align-items: start;
  }
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .faq-section .section-head {
  margin-bottom: clamp(18px, 2.4vw, 28px);
}

/* ---------- 右侧功能索引条 ---------- */
.page-faq .faq-rail {
  display: none;
}

@media (min-width: 1040px) {
  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 96px;
    padding: 18px 16px;
    border-radius: var(--radius-lg);
    background: rgba(14, 42, 68, 0.6);
    box-shadow: inset 0 0 0 1px rgba(34, 83, 122, 0.45);
  }
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-faq .faq-rail__title ~ .faq-rail__title {
  margin-top: 18px;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(34, 83, 122, 0.55);
  color: var(--mist);
}

.page-faq .faq-rail__dot {
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 50%;
  background: var(--ink-600);
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover .faq-rail__dot,
.page-faq .faq-rail__link:focus-visible .faq-rail__dot {
  background: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 122, 47, 0.22);
}

/* ---------- 六步 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-faq .faq-step {
  display: grid;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  background: rgba(14, 42, 68, 0.55);
  box-shadow: inset 0 0 0 1px rgba(34, 83, 122, 0.32);
  transition: background 0.25s var(--ease), transform 0.25s var(--ease),
    box-shadow 0.25s var(--ease);
}

@media (min-width: 720px) {
  .page-faq .faq-step {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }
}

.page-faq .faq-step:hover {
  background: rgba(22, 57, 90, 0.85);
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px rgba(95, 227, 208, 0.28), 0 16px 32px rgba(2, 10, 20, 0.4);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 72px);
  font-weight: 600;
  line-height: 0.86;
  letter-spacing: -0.04em;
  color: hsl(207 38% 50%);
  transition: color 0.25s var(--ease);
}

.page-faq .faq-step:nth-of-type(1) .faq-step__num { color: hsl(207 38% 50%); }
.page-faq .faq-step:nth-of-type(2) .faq-step__num { color: hsl(194 34% 50%); }
.page-faq .faq-step:nth-of-type(3) .faq-step__num { color: hsl(176 32% 50%); }
.page-faq .faq-step:nth-of-type(4) .faq-step__num { color: hsl(148 28% 50%); }
.page-faq .faq-step:nth-of-type(5) .faq-step__num { color: hsl(38 62% 56%); }
.page-faq .faq-step:nth-of-type(6) .faq-step__num { color: hsl(22 100% 60%); }

.page-faq .faq-step__body {
  min-width: 0;
}

.page-faq .faq-step__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--mist);
}

.page-faq .faq-step__text {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(243, 247, 250, 0.78);
}

.page-faq .faq-step__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 0;
}

/* ---------- 功能索引表 ---------- */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  background: rgba(14, 42, 68, 0.5);
  box-shadow: inset 0 0 0 1px rgba(34, 83, 122, 0.35);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table__caption {
  padding: 14px 18px 4px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--slate);
  caption-side: top;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(34, 83, 122, 0.45);
}

.page-faq .faq-table th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  background: rgba(22, 57, 90, 0.45);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-table td:first-child {
  font-weight: 600;
  color: var(--mist);
  white-space: nowrap;
}

.page-faq .faq-table td:first-child a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 227, 208, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-table td:first-child a:hover,
.page-faq .faq-table td:first-child a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-table .mono {
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-table td:last-child {
  color: rgba(243, 247, 250, 0.8);
}

/* ---------- 费用卡片 ---------- */
.page-faq .faq-cost {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 760px) {
  .page-faq .faq-cost {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-cost__card {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--radius-lg);
  background: rgba(14, 42, 68, 0.6);
  box-shadow: inset 0 0 0 1px rgba(34, 83, 122, 0.4);
}

.page-faq .faq-cost__card--slim {
  background: linear-gradient(150deg, rgba(22, 57, 90, 0.7), rgba(14, 42, 68, 0.55));
}

@media (min-width: 760px) {
  .page-faq .faq-cost__card--slim {
    grid-column: 1 / -1;
  }
}

.page-faq .faq-cost__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 16px;
}

.page-faq .faq-cost__head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 22px);
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-cost__price {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--lime);
}

.page-faq .faq-cost__price small {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(184, 242, 92, 0.82);
}

.page-faq .faq-cost__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(243, 247, 250, 0.8);
}

.page-faq .faq-cost__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-faq .faq-cost__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .faq-cost__list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 227, 208, 0.4);
}

.page-faq .faq-cost__list a:hover,
.page-faq .faq-cost__list a:focus-visible {
  color: var(--mist);
  border-color: var(--mist);
}

/* ---------- 故障问答 ---------- */
.page-faq .faq-items {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  padding: 0 18px;
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
  background: rgba(14, 42, 68, 0.45);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-item:hover {
  background: rgba(22, 57, 90, 0.6);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  background: rgba(22, 57, 90, 0.62);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
}

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

.page-faq .faq-item summary::marker {
  content: "";
}

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .faq-item__body {
  margin: 0;
  padding: 0 0 16px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 247, 250, 0.78);
}

/* ---------- 求助区块 ---------- */
.page-faq .faq-help {
  margin-top: clamp(38px, 5.4vw, 68px);
  padding: clamp(22px, 3.2vw, 38px);
  border-radius: var(--radius-lg);
  background: linear-gradient(142deg, rgba(255, 122, 47, 0.16), rgba(14, 42, 68, 0.72) 58%);
  box-shadow: inset 0 0 0 1px rgba(255, 122, 47, 0.24);
}

.page-faq .faq-help h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--mist);
}

.page-faq .faq-help__lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(243, 247, 250, 0.82);
}

.page-faq .faq-help__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-faq .faq-help__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-help__item {
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(7, 26, 43, 0.52);
}

.page-faq .faq-help__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-faq .faq-help__item p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.72;
  color: rgba(243, 247, 250, 0.75);
  word-break: break-word;
}

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

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-item,
  .page-faq .faq-step__num,
  .page-faq .faq-rail__link,
  .page-faq .faq-rail__dot {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}