/* ===== 支持中心 /support/ 页面专属样式 ===== */
.page-faq {
  --faq-ease: var(--ease);
  --faq-dur: var(--dur);
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-top: clamp(88px, 11vw, 118px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero-frame {
  background:
    radial-gradient(130% 150% at 88% 0%, rgba(255, 107, 44, 0.15), transparent 56%),
    radial-gradient(110% 130% at 0% 100%, rgba(34, 224, 200, 0.13), transparent 62%),
    var(--panel);
  border-radius: 2px;
}

.page-faq .faq-hero-inner {
  padding: clamp(26px, 4.6vw, 52px) clamp(20px, 3.6vw, 46px) clamp(30px, 4.8vw, 54px);
}

.page-faq h1 {
  margin: 14px 0 0;
  font-size: clamp(2.2rem, 5.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--bright);
}

.page-faq .faq-lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
  line-height: 1.78;
  color: var(--text);
}

/* 搜索框 */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 560px;
  margin-top: 28px;
  padding: 0 14px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color var(--faq-dur) var(--faq-ease), box-shadow var(--faq-dur) var(--faq-ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(34, 224, 200, 0.32);
}

.page-faq .faq-search-icon {
  flex: none;
  width: 18px;
  height: 18px;
  color: var(--cyan);
}

.page-faq .faq-search input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 14px 0;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
}

.page-faq .faq-search input::placeholder {
  color: var(--muted);
}

/* 分类跳转 */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--faq-dur) var(--faq-ease), border-color var(--faq-dur) var(--faq-ease), background-color var(--faq-dur) var(--faq-ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  color: var(--bright);
  border-color: var(--cyan);
  background: rgba(34, 224, 200, 0.09);
}

/* ---------- 通用小节头部 ---------- */
.page-faq .faq-head {
  max-width: 68ch;
}

.page-faq h2 {
  margin: 10px 0 0;
  font-size: clamp(1.42rem, 2.7vw, 1.82rem);
  font-weight: 800;
  line-height: 1.26;
  color: var(--bright);
}

.page-faq .faq-head-text {
  margin: 14px 0 0;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: 2px;
  transition: transform var(--faq-dur) var(--faq-ease), border-color var(--faq-dur) var(--faq-ease), background-color var(--faq-dur) var(--faq-ease);
}

.page-faq .faq-step:hover {
  transform: translateY(-3px);
  background: var(--overlay);
  border-color: var(--line-soft);
  border-left-color: var(--cyan);
}

.page-faq .faq-step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .faq-step-title {
  margin: 10px 0 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--bright);
}

.page-faq .faq-step p {
  margin: 8px 0 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 快速自查 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--panel);
  border-radius: 2px;
}

.page-faq .faq-quick-text {
  padding: clamp(24px, 3.6vw, 42px);
}

.page-faq .faq-quick-text > p {
  margin: 14px 0 0;
  line-height: 1.76;
  color: var(--muted);
}

.page-faq .faq-check-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-check-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-check-list .mono {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line-soft);
  color: var(--cyan);
  font-size: 0.78rem;
}

.page-faq .faq-quick-media {
  margin: 0;
  border-top: 1px solid var(--line);
}

/* ---------- 分类问答 ---------- */
.page-faq .faq-qa {
  max-width: 960px;
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5.5vw, 64px);
}

.page-faq .faq-group-head {
  margin-bottom: 18px;
}

.page-faq .faq-group-head h2 {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color var(--faq-dur) var(--faq-ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

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

.page-faq .faq-item[open] {
  background-image: linear-gradient(90deg, rgba(255, 107, 44, 0.11), rgba(34, 224, 200, 0.06) 44%, transparent 72%);
  border-color: var(--line-soft);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--bright);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary::before {
  content: "Q";
  flex: none;
  margin-top: 2px;
  padding: 1px 5px;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--amber);
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

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

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

.page-faq .faq-answer {
  padding: 14px 18px 20px 18px;
  border-top: 1px solid var(--line);
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--text);
}

.page-faq .faq-answer p {
  margin: 0 0 0.7em;
}

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

.page-faq .faq-answer strong {
  color: var(--bright);
}

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 200, 0.45);
}

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

.page-faq .faq-answer .mono {
  color: var(--amber);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-contact-section {
  scroll-margin-top: 96px;
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  border-top: 2px solid transparent;
  border-image: var(--grad) 1;
  transition: transform var(--faq-dur) var(--faq-ease), background-color var(--faq-dur) var(--faq-ease);
}

.page-faq .faq-contact-card:hover {
  transform: translateY(-3px);
  background: var(--overlay);
}

.page-faq .faq-contact-key {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-contact-val {
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  font-weight: 700;
  color: var(--bright);
  word-break: break-word;
}

.page-faq .faq-contact-val.mono {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-faq .faq-contact-note {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact-card .link-arrow {
  margin-top: 6px;
  font-size: 0.92rem;
}

.page-faq .faq-contact-foot {
  margin: 26px 0 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-contact-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 200, 0.45);
}

.page-faq .faq-contact-foot a:hover,
.page-faq .faq-contact-foot a:focus-visible {
  color: var(--bright);
  border-bottom-color: var(--bright);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -19px;
    width: 18px;
    height: 1px;
    background: var(--line-soft);
  }

  .page-faq .faq-answer {
    padding-left: 48px;
  }

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

  .page-faq .faq-contact-card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-quick {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
  }

  .page-faq .faq-quick-media {
    margin: 0;
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact-card--wide {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-contact-card,
  .page-faq .faq-search,
  .page-faq .faq-jump a {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-contact-card:hover {
    transform: none;
  }
}