.page-faq {
  background: var(--green-deep);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: calc(var(--bar-h) + 20px) 0 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-cool);
}

.page-faq .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  color: var(--stroke-green);
}

.page-faq .breadcrumb a {
  display: inline-block;
  padding: 4px 0;
  color: var(--gray-cool);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s ease, border-color 0.24s ease;
}

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

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(32px, 5vw, 64px) 0 clamp(26px, 4vw, 44px);
  border-bottom: 1px solid rgba(200, 240, 74, 0.24);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    rgba(200, 240, 74, 0.28) 0 14px,
    transparent 14px 30px
  );
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 21ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(242, 239, 230, 0.86);
}

.page-faq .faq-hero__flow {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__flow li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 11px 14px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 2px solid var(--lime);
  border-radius: 0 12px 0 12px;
  font-size: 14px;
  color: var(--paper);
}

.page-faq .faq-hero__flow span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 主体骨架：索引 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3.6vw, 44px);
  padding-top: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-index {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--white);
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  box-sizing: border-box;
  padding: 11px 10px 11px 8px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.45;
  color: rgba(242, 239, 230, 0.78);
  text-decoration: none;
  transition: color 0.24s ease, background-color 0.24s ease, border-color 0.24s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(200, 240, 74, 0.08);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stroke-green);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--gray-cool);
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(8px, 1.4vw, 16px);
}

.page-faq .faq-block {
  padding: clamp(26px, 4vw, 50px) 0;
  border-top: 1px solid rgba(154, 166, 161, 0.24);
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

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

.page-faq .faq-block__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-block__head p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 239, 230, 0.82);
}

/* ---------- 分步说明 ---------- */
.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .steps > li {
  position: relative;
  padding-left: 52px;
}

.page-faq .steps > li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--lime-line);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-faq .steps > li strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .steps > li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 239, 230, 0.78);
}

.page-faq .factline {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 14px 16px;
  background: rgba(200, 240, 74, 0.07);
  border-left: 2px solid var(--lime);
  border-radius: 0 12px 0 12px;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.9);
}

.page-faq .factline b {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-faq .factline a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-line);
}

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

/* ---------- 六分类卡片 ---------- */
.page-faq .cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(212px, 1fr));
  gap: 12px;
}

.page-faq .cat-card {
  padding: 16px 16px 18px;
  background: rgba(255, 255, 255, 0.045);
  border-left: 2px solid var(--cyan);
  border-radius: 0 14px 0 14px;
  transition: background-color 0.24s ease, border-color 0.24s ease;
}

.page-faq .cat-card:hover,
.page-faq .cat-card:focus-within,
.page-faq .cat-card:focus-visible {
  background: rgba(79, 179, 200, 0.13);
  border-left-color: var(--lime);
  outline: none;
}

.page-faq .cat-card__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gray-cool);
}

.page-faq .cat-card h3 {
  margin: 7px 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .cat-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: rgba(242, 239, 230, 0.76);
}

.page-faq .cat-card__sample {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--cyan);
  transition: max-height 0.3s ease, opacity 0.3s ease, margin-top 0.3s ease;
}

.page-faq .cat-card:hover .cat-card__sample,
.page-faq .cat-card:focus-within .cat-card__sample {
  max-height: 88px;
  margin-top: 10px;
  opacity: 1;
}

/* ---------- 场馆面板与三步链路 ---------- */
.page-faq .venue-panel {
  margin-top: clamp(18px, 2.6vw, 28px);
  padding: clamp(20px, 3.4vw, 34px);
  background: linear-gradient(152deg, rgba(79, 179, 200, 0.18), rgba(7, 33, 26, 0.94));
  border: 1px solid rgba(79, 179, 200, 0.42);
  border-radius: 0 18px 0 18px;
}

.page-faq .venue-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .chain {
  display: grid;
  gap: 20px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .chain__step {
  position: relative;
}

.page-faq .chain__num {
  display: inline-block;
  padding: 3px 9px;
  background: var(--cyan);
  border-radius: 0 8px 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ink-blue);
}

.page-faq .chain__step h4 {
  margin: 10px 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .chain__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.82);
}

.page-faq .venue-panel .factline {
  background: rgba(79, 179, 200, 0.1);
  border-left-color: var(--cyan);
}

.page-faq .venue-panel .factline b {
  color: var(--cyan);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 0 18px 0 18px;
  filter: saturate(0.92) contrast(1.05);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.68;
  color: var(--gray-cool);
}

/* ---------- 三阶段清单 ---------- */
.page-faq .phase {
  display: grid;
  gap: 22px;
}

.page-faq .phase__col {
  padding-top: 14px;
  border-top: 2px solid rgba(200, 240, 74, 0.42);
}

.page-faq .phase__time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .phase__col h3 {
  margin: 8px 0 12px;
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-faq .checklist {
  display: grid;
  gap: 2px;
}

.page-faq .check-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px 2px;
  border-bottom: 1px dashed rgba(154, 166, 161, 0.26);
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(242, 239, 230, 0.82);
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-faq .check-item:hover {
  color: var(--white);
}

.page-faq .check-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  display: grid;
  place-content: center;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  background: transparent;
  border: 1.5px solid var(--gray-cool);
  border-radius: 0 6px 0 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .check-item input[type="checkbox"]::before {
  content: "";
  width: 9px;
  height: 5px;
  border-left: 2px solid var(--green-night);
  border-bottom: 2px solid var(--green-night);
  transform: rotate(-45deg) scale(0);
  transition: transform 0.18s ease;
}

.page-faq .check-item input[type="checkbox"]:checked {
  background: var(--lime);
  border-color: var(--lime);
}

.page-faq .check-item input[type="checkbox"]:checked::before {
  transform: rotate(-45deg) scale(1);
}

.page-faq .check-item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ---------- 设备切换 ---------- */
.page-faq .device-grid {
  display: grid;
  gap: 14px;
}

.page-faq .device-card {
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--paper);
  border-radius: 0 18px 0 18px;
  color: var(--green-night);
}

.page-faq .device-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--stroke-green);
}

.page-faq .device-card h3 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  letter-spacing: -0.01em;
  color: var(--green-night);
}

.page-faq .device-card dl {
  display: grid;
  gap: 4px;
  margin: 0;
}

.page-faq .device-card dt {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--stroke-green);
}

.page-faq .device-card dd {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--green-night);
}

.page-faq .device-card dd:last-child {
  margin-bottom: 0;
}

/* ---------- 求助渠道 ---------- */
.page-faq .contact-strip {
  display: grid;
  gap: 18px;
  padding: clamp(20px, 3.2vw, 32px);
  background: var(--green-night);
  border: 1px solid rgba(200, 240, 74, 0.26);
  border-radius: 0 18px 0 18px;
}

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

.page-faq .contact-strip__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
}

.page-faq .contact-strip__key {
  min-width: 64px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-cool);
}

.page-faq .contact-strip__list strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--lime);
  word-break: break-word;
}

.page-faq .contact-strip__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .contact-strip__aside p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.8);
}

/* ---------- 页尾行动区 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(30px, 4.6vw, 60px);
  padding: clamp(22px, 3.6vw, 42px);
  background: linear-gradient(118deg, rgba(200, 240, 74, 0.16), rgba(7, 33, 26, 0.62));
  border-left: 3px solid var(--lime);
  border-radius: 0 18px 0 18px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(242, 239, 230, 0.85);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .chain {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }

  .page-faq .chain__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -17px;
    width: 9px;
    height: 9px;
    border-right: 2px solid var(--cyan);
    border-top: 2px solid var(--cyan);
    transform: rotate(45deg);
    opacity: 0.75;
  }

  .page-faq .phase {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-faq .device-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .contact-strip {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-card__sample,
  .page-faq .check-item input[type="checkbox"],
  .page-faq .check-item input[type="checkbox"]::before,
  .page-faq .faq-index__list a,
  .page-faq .breadcrumb a {
    transition-duration: 0.01ms;
  }
}