.page-faq {
  --faq-line: rgba(245, 235, 221, 0.14);
  --faq-cyan-line: rgba(22, 224, 200, 0.28);
  --faq-soft: rgba(245, 235, 221, 0.7);
  background: var(--ink-950);
  color: var(--cream);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq .faq-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

/* ---------- 顶部公告 ---------- */
.page-faq .faq-announce {
  background: linear-gradient(100deg, rgba(255, 90, 54, 0.16), transparent 58%), var(--ink-800);
  border-bottom: 1px solid var(--faq-cyan-line);
}

.page-faq .faq-announce__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-faq .faq-announce__lamp {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 200, 87, 0.16);
  animation: faq-breathe 2.6s ease-in-out infinite;
}

@keyframes faq-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.page-faq .faq-announce__text {
  flex: 1 1 280px;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cream);
}

.page-faq .faq-announce__text strong {
  color: var(--amber);
  font-weight: 700;
  margin-right: 4px;
}

.page-faq .faq-announce__link {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(22, 224, 200, 0.45);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-announce__link:hover,
.page-faq .faq-announce__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 44px;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(22, 224, 200, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  background: repeating-linear-gradient(115deg, rgba(22, 224, 200, 0.11) 0 1px, transparent 1px 15px);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #fff;
}

.page-faq .faq-hero__lead {
  max-width: 48ch;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 235, 221, 0.82);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.4;
  color: rgba(245, 235, 221, 0.9);
  background: rgba(18, 50, 74, 0.7);
  border: 1px solid rgba(22, 224, 200, 0.22);
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
}

.page-faq .faq-chip__lamp {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(22, 224, 200, 0.18);
}

.page-faq .faq-chip__lamp--amber {
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 200, 87, 0.18);
}

.page-faq .faq-chip__lamp--violet {
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.18);
}

/* 状态面板 */
.page-faq .faq-panel {
  padding: 20px 18px 18px;
  background: rgba(8, 24, 38, 0.92);
  border: 1px solid var(--faq-cyan-line);
  border-top: 2px solid var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-panel__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-panel__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 0;
  font-size: 14px;
  color: rgba(245, 235, 221, 0.88);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-panel__row:first-child {
  border-top: 0;
}

.page-faq .faq-panel__val {
  margin-left: auto;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(22, 224, 200, 0.7);
  flex: 0 0 auto;
}

.page-faq .faq-lamp--amber {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(255, 200, 87, 0.6);
}

.page-faq .faq-panel__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(245, 235, 221, 0.6);
}

/* ---------- 快速诊断 ---------- */
.page-faq .faq-diag {
  background: var(--cream);
  color: var(--brown);
  padding: 44px 0 50px;
}

.page-faq .faq-diag__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-diag__intro {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(36, 27, 23, 0.78);
}

.page-faq .faq-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  border-top: 1px solid rgba(36, 27, 23, 0.16);
}

.page-faq .faq-step:last-child {
  border-bottom: 1px solid rgba(36, 27, 23, 0.16);
}

.page-faq .faq-step__label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
}

.page-faq .faq-step__box {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  accent-color: var(--cyan-deep);
  cursor: pointer;
}

.page-faq .faq-step__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--orange);
  padding: 3px 6px;
  line-height: 1;
}

.page-faq .faq-step__text {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(36, 27, 23, 0.85);
}

.page-faq .faq-step__text strong {
  display: block;
  font-size: 16px;
  color: var(--brown);
  margin-bottom: 2px;
}

.page-faq .faq-step__box:checked ~ .faq-step__text {
  opacity: 0.55;
}

.page-faq .faq-diag__figure {
  margin: 0;
  background: var(--ink-800);
  border: 1px solid rgba(36, 27, 23, 0.18);
  border-left: 3px solid var(--cyan-deep);
  padding: 10px;
}

.page-faq .faq-diag__figure .media-frame__img,
.page-faq .faq-group__figure .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-diag__figure .media-frame__caption {
  margin-top: 10px;
  padding: 0 2px 2px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(245, 235, 221, 0.78);
}

/* ---------- 问答控制台 ---------- */
.page-faq .faq-console {
  background:
    linear-gradient(180deg, var(--ink-950), var(--ink-900) 65%, var(--ink-950));
  padding: 46px 0 50px;
  color: var(--cream);
}

.page-faq .faq-console__lede {
  margin: 12px 0 0;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-console__grid {
  display: grid;
  gap: 26px;
  margin-top: 28px;
}

.page-faq .faq-index {
  padding: 18px 16px;
  background: rgba(18, 50, 74, 0.55);
  border: 1px solid rgba(22, 224, 200, 0.2);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-size: 13.5px;
  color: rgba(245, 235, 221, 0.86);
  text-decoration: none;
  background: rgba(8, 24, 38, 0.6);
  border: 1px solid rgba(245, 235, 221, 0.12);
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.page-faq .faq-index__link .mono {
  font-size: 11px;
  color: rgba(22, 224, 200, 0.8);
  letter-spacing: 0.08em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: #fff;
  background: rgba(22, 224, 200, 0.14);
  border-color: var(--faq-cyan-line);
}

.page-faq .faq-index__lamp {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
}

.page-faq .faq-group {
  margin: 0 0 34px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-group__idx {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.35;
  color: #fff;
}

.page-faq .faq-group__desc {
  margin: 8px 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 235, 221, 0.6);
}

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

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

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cream-2);
  transition: color 160ms ease;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--cyan);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--cyan);
}

.page-faq .faq-item__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px rgba(22, 224, 200, 0.6);
}

.page-faq .faq-item__a {
  padding: 0 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(245, 235, 221, 0.76);
}

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

.page-faq .faq-group__figure {
  margin: 16px 0 0;
  padding: 10px;
  background: var(--ink-800);
  border: 1px solid rgba(22, 224, 200, 0.22);
  border-right: 3px solid var(--violet);
}

.page-faq .faq-group__figure .media-frame__caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(245, 235, 221, 0.66);
}

/* ---------- 资料库自查 ---------- */
.page-faq .faq-self {
  background: var(--mist);
  color: var(--brown);
  padding: 44px 0 48px;
}

.page-faq .faq-self__lede {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(36, 27, 23, 0.76);
}

.page-faq .faq-self__list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-self__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(36, 27, 23, 0.18);
}

.page-faq .faq-self__item:last-child {
  border-bottom: 1px solid rgba(36, 27, 23, 0.18);
}

.page-faq .faq-self__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #fff;
  background: var(--ink-800);
  padding: 4px 7px;
  line-height: 1;
}

.page-faq .faq-self__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.5;
  color: var(--brown);
}

.page-faq .faq-self__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(36, 27, 23, 0.78);
}

.page-faq .faq-self__more {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(36, 27, 23, 0.82);
}

.page-faq .faq-self__more a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 127, 115, 0.4);
}

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

/* ---------- 人工支持 ---------- */
.page-faq .faq-support {
  background: linear-gradient(160deg, var(--ink-800), var(--ink-950) 72%);
  color: var(--cream);
  padding: 46px 0 52px;
}

.page-faq .faq-support__lede {
  margin: 12px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-channels {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-faq .faq-channel {
  padding: 20px 18px;
  background: rgba(8, 24, 38, 0.7);
  border: 1px solid rgba(245, 235, 221, 0.14);
  border-top: 2px solid rgba(22, 224, 200, 0.4);
}

.page-faq .faq-channel--primary {
  border-top-color: var(--orange);
  background: linear-gradient(150deg, rgba(255, 90, 54, 0.12), rgba(8, 24, 38, 0.9) 55%);
}

.page-faq .faq-channel__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-channel__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.45;
  color: #fff;
}

.page-faq .faq-channel__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 235, 221, 0.74);
}

.page-faq .faq-channel__meta {
  margin: 12px 0 0;
  padding-top: 10px;
  font-size: 13px;
  color: rgba(245, 235, 221, 0.86);
  border-top: 1px dashed rgba(245, 235, 221, 0.18);
  word-break: break-all;
}

.page-faq .faq-channel__meta .mono {
  color: var(--cyan);
}

.page-faq .faq-response {
  margin-top: 26px;
  padding: 18px 18px 14px;
  background: rgba(22, 224, 200, 0.07);
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-response__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .faq-response__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-response__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 8px 0;
  font-size: 13.5px;
  line-height: 1.7;
  border-top: 1px solid rgba(22, 224, 200, 0.14);
}

.page-faq .faq-response__list li:first-child {
  border-top: 0;
}

.page-faq .faq-response__k {
  flex: 0 0 76px;
  color: rgba(245, 235, 221, 0.55);
}

.page-faq .faq-response__v {
  flex: 1 1 200px;
  color: rgba(245, 235, 221, 0.9);
}

.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-next__link {
  display: inline-block;
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--cream);
  text-decoration: none;
  background: rgba(18, 50, 74, 0.8);
  border: 1px solid rgba(245, 235, 221, 0.16);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-faq .faq-next__link:hover,
.page-faq .faq-next__link:focus-visible {
  color: var(--ink-950);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-diag,
  .page-faq .faq-self {
    padding: 56px 0 60px;
  }

  .page-faq .faq-console,
  .page-faq .faq-support {
    padding: 58px 0 62px;
  }

  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-channels {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-channel--primary {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
    gap: 40px;
  }

  .page-faq .faq-diag__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 38px;
  }

  .page-faq .faq-diag__figure {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-console__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-index__list {
    display: block;
  }

  .page-faq .faq-index__list li {
    margin-bottom: 6px;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
  }

  .page-faq .faq-channels {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-channel--primary {
    grid-column: 1;
    grid-row: span 2;
  }

  .page-faq .faq-self__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 36px;
  }

  .page-faq .faq-self__item:nth-child(2) {
    border-top: 1px solid rgba(36, 27, 23, 0.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-announce__lamp {
    animation: none;
  }

  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}