.page-faq {
  --faq-rail-w: 268px;
  --faq-gap: clamp(20px, 3vw, 44px);
  --faq-edge: #33486d;
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(10px, 2vw, 22px);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--ff-head);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--c-text);
}

.page-faq .faq-hero .lead {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--c-text-soft);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__media {
  margin: clamp(26px, 4vw, 42px) 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-panel-2);
}

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

.page-faq .faq-hero__media .media__caption {
  padding: 12px 20px 14px;
  border-top: 1px solid var(--c-line);
  font-size: var(--fs-13);
  color: var(--c-muted);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  padding: clamp(22px, 3.4vw, 44px) 0 clamp(18px, 3vw, 36px);
}

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

.page-faq .faq-step {
  position: relative;
  overflow: hidden;
  padding: 20px 22px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel);
  transition: transform .42s var(--ease), border-color .42s var(--ease);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-green), rgba(59, 245, 154, 0) 78%);
}

.page-faq .faq-step:nth-child(2)::before {
  background: linear-gradient(90deg, var(--c-orange), rgba(255, 138, 61, 0) 78%);
}

.page-faq .faq-step:nth-child(3)::before {
  background: linear-gradient(90deg, var(--c-cyan), rgba(95, 216, 255, 0) 78%);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  border-color: var(--faq-edge);
}

.page-faq .faq-step__num {
  font-size: var(--fs-13);
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-faq .faq-step__title {
  margin: 10px 0 8px;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: var(--fs-22);
  line-height: 1.35;
  color: var(--c-text);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 主体：左栏锚点 + 右栏问答 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(8px, 2vw, 18px) 0 clamp(46px, 7vw, 88px);
}

.page-faq .faq-rail {
  padding: 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel-2);
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  color: var(--c-cyan);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  white-space: nowrap;
  font-size: var(--fs-14);
  color: var(--c-text-soft);
  text-decoration: none;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: var(--fs-13);
  color: var(--c-muted);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: rgba(59, 245, 154, .38);
  background: rgba(59, 245, 154, .08);
  color: var(--c-text);
}

.page-faq .faq-rail__hint {
  margin: 14px 0 0;
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  min-width: 0;
}

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

.page-faq .faq-group__head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-group__num {
  display: inline-block;
  margin-bottom: 10px;
  font-size: var(--fs-13);
  letter-spacing: .12em;
  color: var(--c-green);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: clamp(22px, 3.1vw, 32px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--c-text);
}

.page-faq .faq-group__intro {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--c-muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-list--last {
  margin-top: 14px;
}

.page-faq .faq-item {
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--faq-edge);
}

.page-faq .faq-item[open] {
  border-color: rgba(59, 245, 154, .3);
  box-shadow: inset 2px 0 0 var(--c-green);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--c-text);
}

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

.page-faq .faq-item__q:hover {
  color: var(--c-cyan);
}

.page-faq .faq-item__marker {
  position: relative;
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1px solid rgba(95, 216, 255, .5);
  border-radius: 50%;
  transition: transform .35s var(--ease), border-color .35s var(--ease);
}

.page-faq .faq-item__marker::before,
.page-faq .faq-item__marker::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--c-cyan);
  transform: translate(-50%, -50%);
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .3s var(--ease);
}

.page-faq .faq-item__marker::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__marker::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__marker {
  transform: rotate(90deg);
  border-color: var(--c-green);
}

.page-faq .faq-item[open] .faq-item__marker::before,
.page-faq .faq-item[open] .faq-item__marker::after {
  background: var(--c-green);
}

.page-faq .faq-item[open] .faq-item__marker::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 52px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--c-text-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(95, 216, 255, .45);
}

.page-faq .faq-item__a a:hover {
  color: var(--c-green);
  border-color: var(--c-green);
}

/* ---------- 主客队图例 ---------- */
.page-faq .faq-legend {
  margin: 20px 0 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-panel-2);
  overflow: hidden;
}

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

.page-faq .faq-legend__cap {
  padding: 12px 18px 13px;
  border-top: 1px solid var(--c-line);
  font-size: var(--fs-13);
  line-height: 1.7;
  color: var(--c-muted);
}

.page-faq .faq-legend__rows {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-legend__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-14);
}

.page-faq .faq-legend__swatch {
  flex: 0 0 auto;
  width: 34px;
  height: 10px;
  border-radius: var(--r-pill);
}

.page-faq .faq-legend__swatch--home {
  background: linear-gradient(90deg, var(--c-green), rgba(59, 245, 154, .18));
}

.page-faq .faq-legend__swatch--away {
  background: linear-gradient(90deg, var(--c-orange), rgba(255, 138, 61, .18));
}

.page-faq .faq-legend__swatch--cyan {
  background: linear-gradient(90deg, var(--c-cyan), rgba(95, 216, 255, .18));
}

.page-faq .faq-legend__k {
  font-weight: 700;
  color: var(--c-text);
}

.page-faq .faq-legend__v {
  color: var(--c-muted);
}

/* ---------- 联系通道 ---------- */
.page-faq .faq-group--contact .faq-group__head {
  border-bottom-color: rgba(59, 245, 154, .35);
}

.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-contact__item {
  padding: 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(59, 245, 154, .05), rgba(19, 28, 46, 0) 60%), var(--c-panel);
}

.page-faq .faq-contact__k {
  margin: 0 0 8px;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-contact__v {
  margin: 0 0 9px;
  font-family: var(--ff-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-text);
  word-break: break-word;
}

.page-faq .faq-contact__n {
  margin: 0;
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-contact__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 820px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    border-radius: var(--r-sm);
    white-space: normal;
  }
}

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

@media (max-width: 640px) {
  .page-faq .faq-item__q {
    padding: 14px 14px;
    font-size: clamp(15px, 4.4vw, 17px);
  }

  .page-faq .faq-item__a {
    padding: 0 14px 16px 14px;
  }

  .page-faq .faq-legend__row {
    gap: 8px;
  }

  .page-faq .faq-contact__cta .btn {
    width: 100%;
    justify-content: center;
  }
}