.page-faq {
  --faq-line: rgba(27, 74, 61, 0.16);
  --faq-line-dark: rgba(198, 242, 74, 0.22);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  padding: clamp(30px, 6vw, 60px) 0 clamp(44px, 7vw, 84px);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 40%;
  right: -16%;
  bottom: -34%;
  height: 82%;
  background: var(--panel);
  clip-path: polygon(0 46%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: clamp(64px, 12vw, 148px);
  height: 5px;
  background: var(--orange);
}
.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(16px, 3vw, 26px);
}
.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  max-width: 15ch;
}
.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(243, 238, 223, 0.8);
}
.page-faq .faq-hero__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 24px);
  border-radius: var(--radius-lg);
  background: rgba(12, 42, 34, 0.85);
  border: 1px solid var(--faq-line-dark);
}
.page-faq .faq-hero__side-label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey);
}
.page-faq .faq-jump {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line-dark);
  color: var(--cream);
  text-decoration: none;
  font-size: 14px;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  background: rgba(198, 242, 74, 0.12);
  border-color: var(--lime);
}
.page-faq .faq-jump__no {
  font-size: 12px;
  color: var(--lime);
}
.page-faq .faq-hero__side .btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 分组与手风琴 ---------- */
.page-faq .faq-body {
  background: var(--cream);
  color: var(--obsidian);
  padding: clamp(36px, 6vw, 76px) 0 clamp(40px, 6vw, 80px);
}
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}
.page-faq .faq-side__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--grey-deep);
}
.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: var(--paper);
  color: var(--obsidian);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .faq-tab:hover {
  border-color: var(--moss);
}
.page-faq .faq-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}
.page-faq .faq-tab__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--grey-deep);
}
.page-faq .faq-tab[aria-selected="true"] .faq-tab__count {
  color: var(--lime);
}

.page-faq .faq-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-faq .faq-panel[hidden] {
  display: none;
}
.page-faq .faq-panel + .faq-panel {
  margin-top: 32px;
}
.page-faq .faq-panel__label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--grey-deep);
}

.page-faq .faq-item {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-faq .faq-item[open] {
  border-color: var(--moss);
  box-shadow: 0 18px 34px -30px rgba(7, 26, 21, 0.95);
}
.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
}
.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__no {
  position: relative;
  flex: 0 0 auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.9;
  color: var(--grey-deep);
}
.page-faq .faq-item__no::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 2px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}
.page-faq .faq-item[open] .faq-item__no::before {
  background: var(--lime);
}
.page-faq .faq-item__text {
  flex: 1 1 auto;
}
.page-faq .faq-item__sign {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.3;
  color: var(--moss);
  transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-faq .faq-item[open] .faq-item__sign {
  transform: rotate(45deg);
  color: var(--orange);
}
.page-faq .faq-item__a {
  padding: 0 18px 18px 40px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--obsidian);
}
.page-faq .faq-item__a p {
  margin: 0;
  max-width: 60ch;
}
.page-faq .faq-item__a a {
  color: var(--moss);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 三步查询 ---------- */
.page-faq .faq-steps {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--cream);
  padding: clamp(40px, 7vw, 88px) 0;
}
.page-faq .faq-steps__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}
.page-faq .faq-h2 {
  margin: 12px 0 0;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  font-weight: 800;
  max-width: 18ch;
}
.page-faq .faq-steps__lead {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(243, 238, 223, 0.78);
}
.page-faq .faq-steps__list {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}
.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--faq-line-dark);
}
.page-faq .faq-step:last-child {
  border-bottom: 1px solid var(--faq-line-dark);
}
.page-faq .faq-step__no {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--lime);
}
.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
}
.page-faq .faq-step__desc {
  margin: 0;
  max-width: 42ch;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 238, 223, 0.76);
}
.page-faq .faq-steps__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--faq-line-dark);
}
.page-faq .faq-steps__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-steps__media .media__caption {
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-unresolved {
  background: var(--paper);
  padding: clamp(40px, 7vw, 88px) 0;
}
.page-faq .faq-unresolved__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}
.page-faq .faq-unresolved h2 {
  margin: 12px 0 0;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 800;
  max-width: 18ch;
}
.page-faq .faq-unresolved__lead {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey-deep);
}
.page-faq .faq-materials {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-faq .faq-materials li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--faq-line);
  font-size: 14.5px;
  color: var(--obsidian);
}
.page-faq .faq-materials li:first-child {
  border-top: 1px dashed var(--faq-line);
}
.page-faq .faq-materials .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
  flex: 0 0 auto;
}
.page-faq .faq-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--cream);
}
.page-faq .faq-cta__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-faq .faq-cta h3 {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.3;
  font-weight: 700;
}
.page-faq .faq-cta p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 238, 223, 0.8);
}
.page-faq .faq-cta .btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-band {
  background: var(--cream);
  padding: clamp(36px, 6vw, 80px) 0 clamp(44px, 7vw, 90px);
}
.page-faq .faq-band__inner {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}
.page-faq .faq-band__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-faq .faq-band__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-band__text h2 {
  margin: 12px 0 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 800;
}
.page-faq .faq-band__text p {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--obsidian);
}
.page-faq .faq-band__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-faq .faq-band__inner {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 96px;
  }
  .page-faq .faq-tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }
  .page-faq .faq-tab {
    width: 100%;
  }
  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 16.5px;
  }
  .page-faq .faq-item__a {
    padding: 0 56px 22px 46px;
    font-size: 15px;
  }
  .page-faq .faq-steps__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }
  .page-faq .faq-unresolved__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tab,
  .page-faq .faq-jump,
  .page-faq .faq-item,
  .page-faq .faq-item__no::before,
  .page-faq .faq-item__sign {
    transition: none;
  }
}
<<<END>>>