/* ===================== 观赛问答 · 页面专属样式 ===================== */
.page-faq {
  --faq-radius: 12px;
  --faq-answer: rgba(230, 237, 248, .85);
  display: block;
  padding-bottom: 88px;
  background:
    radial-gradient(880px 520px at 6% -8%, rgba(52, 242, 206, .10), transparent 62%),
    radial-gradient(760px 460px at 98% 2%, rgba(255, 139, 61, .07), transparent 60%);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 40px 0 34px;
  border-bottom: 1px solid var(--kt-line);
  background-image:
    linear-gradient(var(--kt-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--kt-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
}

.page-faq .faq-hero .kt-breadcrumb {
  margin-bottom: 26px;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  max-width: 15ch;
  font-size: clamp(32px, 6.6vw, 68px);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(230, 237, 248, .84);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

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

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  padding: 16px 14px;
  border: 1px solid var(--kt-line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--kt-muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-index__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__link {
  display: block;
  white-space: nowrap;
  padding: 8px 13px;
  border: 1px solid var(--kt-line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--kt-muted);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-faq .faq-index__link:hover {
  color: var(--kt-text);
  background: var(--kt-glass);
}

.page-faq .faq-index__link.is-active {
  color: var(--kt-text);
  border-color: rgba(255, 139, 61, .6);
  background: rgba(255, 139, 61, .14);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 46px;
  scroll-margin-top: 104px;
}

.page-faq .faq-group__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-left: 4px solid var(--kt-cyan);
  border-radius: 4px 10px 10px 4px;
  background: linear-gradient(100deg, rgba(11, 47, 50, .92), rgba(11, 47, 50, .22));
}

.page-faq .faq-group[data-tone="indigo"] .faq-group__bar {
  border-left-color: var(--kt-cyan);
  background: linear-gradient(100deg, rgba(21, 27, 63, .95), rgba(21, 27, 63, .3));
}

.page-faq .faq-group[data-tone="wine"] .faq-group__bar {
  border-left-color: var(--kt-orange);
  background: linear-gradient(100deg, rgba(92, 23, 48, .9), rgba(92, 23, 48, .24));
}

.page-faq .faq-group[data-tone="amber"] .faq-group__bar {
  border-left-color: var(--kt-orange);
  background: linear-gradient(100deg, rgba(255, 139, 61, .22), rgba(21, 27, 63, .55));
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 26px);
  font-weight: 700;
  letter-spacing: .01em;
  line-height: 1.3;
}

.page-faq .faq-group__meta {
  font-family: var(--kt-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: rgba(230, 237, 248, .6);
  white-space: nowrap;
}

.page-faq .faq-group__note {
  margin: 12px 2px 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--kt-muted);
}

/* ---------- 折叠问答项 ---------- */
.page-faq .faq-item {
  margin-bottom: 8px;
  border: 1px solid var(--kt-line);
  border-radius: 10px;
  background: rgba(21, 27, 63, .28);
  transition: background .24s ease, border-color .24s ease;
}

.page-faq .faq-item:hover {
  border-color: rgba(230, 237, 248, .28);
}

.page-faq .faq-item[open] {
  background: rgba(21, 27, 63, .58);
  border-color: rgba(52, 242, 206, .22);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--kt-text);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--kt-cyan);
  outline-offset: 2px;
}

.page-faq .faq-q__no {
  padding-top: 4px;
  font-family: var(--kt-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--kt-cyan);
}

.page-faq .faq-q__sign {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  flex: none;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  background: var(--kt-orange);
  border-radius: 2px;
  transition: transform .24s ease;
}

.page-faq .faq-q__sign::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.page-faq .faq-q__sign::after {
  top: 0;
  left: 8px;
  width: 2px;
  height: 18px;
}

.page-faq .faq-item[open] .faq-q__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-a {
  margin-top: 2px;
  padding: 4px 16px 20px;
  border-top: 1px solid rgba(230, 237, 248, .08);
}

.page-faq .faq-a p {
  margin: 12px 0 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .faq-steps {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(230, 237, 248, .8);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: "0" counter(faqstep);
  padding-top: 4px;
  font-family: var(--kt-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--kt-cyan);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 22px;
  border: 1px solid var(--kt-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(11, 47, 50, .6), rgba(21, 27, 63, .7));
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--kt-line);
  font-size: 13px;
  line-height: 1.6;
  color: var(--kt-muted);
}

.page-faq .faq-figure--square {
  max-width: 340px;
}

/* ---------- 回到顶部 ---------- */
.page-faq .faq-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 1px dashed rgba(142, 157, 186, .5);
  font-size: 13px;
  color: var(--kt-muted);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-back:hover {
  color: var(--kt-cyan);
  border-bottom-color: var(--kt-cyan);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  margin-top: 16px;
  padding: 22px 18px;
  border: 1px solid rgba(52, 242, 206, .22);
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(11, 47, 50, .85), rgba(21, 27, 63, .92));
}

.page-faq .faq-contact__lead {
  margin: 0;
  max-width: 620px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(230, 237, 248, .88);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.page-faq .faq-contact__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--kt-muted);
}

.page-faq .faq-contact__val {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--kt-text);
  word-break: break-word;
}

.page-faq .faq-contact__val a {
  color: var(--kt-cyan);
  text-decoration: none;
}

.page-faq .faq-contact__val a:hover {
  text-decoration: underline;
}

.page-faq .faq-contact__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--kt-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--kt-muted);
}

.page-faq .faq-contact__note a {
  color: var(--kt-cyan);
  text-decoration: none;
}

.page-faq .faq-contact__note a:hover {
  text-decoration: underline;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 56px 0 46px;
  }

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

  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 92px;
    padding: 20px 16px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    padding: 9px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 8px 8px 0;
    white-space: normal;
    font-size: 15px;
  }

  .page-faq .faq-index__link.is-active {
    border-left-color: var(--kt-orange);
    background: var(--kt-glass);
    color: var(--kt-text);
  }

  .page-faq .faq-group__bar {
    padding: 16px 22px;
  }

  .page-faq .faq-q {
    padding: 18px 20px;
    font-size: 17px;
  }

  .page-faq .faq-a {
    padding: 4px 20px 22px;
  }

  .page-faq .faq-contact {
    padding: 28px 26px;
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-figure--square {
    max-width: 360px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-group__note {
    margin-left: 4px;
  }
}