.page-faq {
  --faq-glow: rgba(139, 92, 246, 0.28);
  --faq-cyan-soft: rgba(34, 211, 238, 0.16);
  --faq-card: rgba(21, 28, 74, 0.58);
  --faq-line: rgba(42, 47, 69, 0.9);
  color: var(--ink);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-faq .breadcrumbs a {
  color: var(--ink-faint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 14vw, 148px) 0 clamp(52px, 8vw, 88px);
  background:
    radial-gradient(1080px 520px at 88% -14%, var(--faq-glow), transparent 62%),
    radial-gradient(720px 400px at 2% 108%, var(--faq-cyan-soft), transparent 68%),
    var(--deep);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -1px -8%;
  height: 118px;
  background: linear-gradient(102deg, transparent 0 34%, rgba(139, 92, 246, 0.16) 34% 60%, transparent 60%);
  clip-path: polygon(0 66%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  max-width: 20ch;
  margin: 0 0 22px;
  font-size: clamp(30px, 6.2vw, 60px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .faq-lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(30px, 5vw, 46px);
}

.page-faq .faq-fact {
  flex: 1 1 158px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--violet);
  background: var(--faq-card);
}

.page-faq .faq-fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-faq .faq-fact-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-dim);
}

/* ---------- 三步流程 ---------- */

.page-faq .faq-steps-body {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
  align-items: start;
}

.page-faq .faq-step-tabs .tab-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  border: 0;
  padding: 0;
}

.page-faq .faq-step-tabs .tab {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
  padding: 16px 12px;
  border: 2px solid var(--faq-line);
  background: var(--midnight);
  color: var(--ink-dim);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-step-tabs .tab:hover {
  border-color: var(--violet);
  color: var(--ink);
}

.page-faq .faq-step-tabs .tab[aria-selected="true"] {
  border-color: var(--violet);
  color: var(--white);
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

.page-faq .faq-step-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--violet);
  transition: color 0.25s var(--ease);
}

.page-faq .faq-step-tabs .tab[aria-selected="true"] .faq-step-num {
  color: var(--cyan);
}

.page-faq .faq-step-name {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-faq .tab-panel {
  display: none;
}

.page-faq .tab-panel.is-active {
  display: block;
}

.page-faq .faq-step-tabs .tab-panel {
  margin-top: 22px;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--violet);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-step-tabs .tab-panel p {
  margin: 0 0 12px;
}

.page-faq .faq-step-tabs .tab-panel p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps-figure {
  margin: 0;
  border: 2px solid var(--faq-line);
  box-shadow: 10px 10px 0 rgba(34, 211, 238, 0.16);
  background: var(--midnight);
}

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

/* ---------- 标签速查 ---------- */

.page-faq .faq-tags-figure {
  margin: 0 0 clamp(26px, 4vw, 40px);
  border: 2px solid var(--faq-line);
  background: var(--deep);
}

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

.page-faq .faq-cat-tabs .tab-list {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 0 0 10px;
  border: 0;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cat-tabs .tab {
  flex: 0 0 auto;
  padding: 10px 18px;
  border: 2px solid var(--faq-line);
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-cat-tabs .tab:hover {
  border-color: var(--orange);
  color: var(--ink);
}

.page-faq .faq-cat-tabs .tab[aria-selected="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--deep);
}

.page-faq .faq-cat-tabs .tab-panel {
  margin-top: 22px;
}

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

.page-faq .faq-tag {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-tag:hover {
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.07);
}

.page-faq .faq-tag-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--cyan);
}

.page-faq .faq-tag-name {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-tag-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

/* ---------- 活动周期 ---------- */

.page-faq .faq-cycle-card {
  padding: clamp(24px, 4.4vw, 44px);
  border: 2px solid var(--faq-line);
  border-left: 5px solid var(--orange);
  background: linear-gradient(140deg, rgba(255, 122, 26, 0.1), rgba(21, 28, 74, 0.72) 52%, var(--deep));
}

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

.page-faq .faq-rule-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-dim);
}

.page-faq .faq-rule-list strong {
  color: var(--white);
  font-weight: 700;
}

.page-faq .faq-rule-no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 26, 0.45);
  padding: 2px 7px;
}

.page-faq .faq-cycle-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-cycle-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 下载与版本 ---------- */

.page-faq .faq-download-grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-download-item {
  padding: 20px 20px 22px;
  border: 2px solid var(--faq-line);
  background: var(--faq-card);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-download-item:hover {
  border-color: var(--violet);
  transform: translateY(-3px);
}

.page-faq .faq-download-tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--deep);
  background: var(--cyan);
}

.page-faq .faq-download-item h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-download-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-dim);
}

.page-faq .faq-download-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 3px solid var(--violet);
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

/* ---------- 常见问题手风琴 ---------- */

.page-faq .faq-accordion {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  border: 2px solid var(--faq-line);
  background: var(--faq-card);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--violet);
  border-left-width: 5px;
  box-shadow: -8px 0 26px -12px rgba(139, 92, 246, 0.85);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

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

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

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  margin-top: 6px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-q-mark::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
}

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

.page-faq .faq-item[open] .faq-q-mark::before {
  background: var(--orange);
}

.page-faq .faq-a {
  padding: 0 18px 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

/* ---------- 联系客服 ---------- */

.page-faq .faq-contact {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  padding: clamp(26px, 4.4vw, 46px);
  border: 2px solid var(--faq-line);
  background:
    radial-gradient(620px 320px at 100% 0%, rgba(34, 211, 238, 0.14), transparent 66%),
    linear-gradient(158deg, rgba(139, 92, 246, 0.18), rgba(11, 16, 48, 0.94) 62%);
}

.page-faq .faq-contact-main h2 {
  margin: 0 0 16px;
  font-size: clamp(23px, 4.2vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  color: var(--white);
}

.page-faq .faq-contact-main > p {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact-key {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--violet);
}

.page-faq .faq-contact-value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 19px);
  font-weight: 700;
  color: var(--cyan);
  word-break: break-word;
}

.page-faq .faq-contact-side {
  padding-top: clamp(4px, 1vw, 10px);
}

.page-faq .faq-side-title {
  margin: 0 0 18px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .faq-prepare li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-dim);
}

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

.page-faq .faq-prepare-no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-tag-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-steps-body {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-download-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 420px) {
  .page-faq .faq-step-tabs .tab {
    padding: 13px 9px;
    gap: 8px;
  }

  .page-faq .faq-step-name {
    font-size: 12px;
  }

  .page-faq .faq-q {
    padding: 15px 14px;
    font-size: 15px;
  }

  .page-faq .faq-a {
    padding: 0 14px 18px;
  }

  .page-faq .faq-tag {
    padding: 14px 14px;
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step-tabs .tab,
  .page-faq .faq-cat-tabs .tab,
  .page-faq .faq-download-item,
  .page-faq .faq-tag,
  .page-faq .faq-item,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

  .page-faq .faq-step-tabs .tab[aria-selected="true"],
  .page-faq .faq-download-item:hover {
    transform: none;
  }
}