.page-faq {
  --faq-wedge: clamp(220px, 46vw, 560px);
  --faq-pad: clamp(18px, 3.4vw, 30px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5.5vw, 68px) 0 clamp(26px, 4vw, 52px);
  background:
    linear-gradient(180deg, rgba(22, 122, 104, .07), rgba(247, 240, 222, 0) 64%),
    var(--paper);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: var(--faq-wedge);
  aspect-ratio: 1 / 1;
  background: linear-gradient(140deg, var(--jade) 0%, var(--teal) 68%);
  clip-path: polygon(100% 0, 100% 100%, 22% 0);
  opacity: .95;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  bottom: -12%;
  right: 22%;
  width: clamp(90px, 18vw, 210px);
  aspect-ratio: 1 / 1;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 100%, 0 100%);
  opacity: .28;
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 68ch;
}

.page-faq .faq-hero .eyebrow {
  color: var(--vermilion);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-faq .hero-facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-faq .hero-facts .mono {
  font-size: 18px;
  font-weight: 700;
  color: var(--teal);
}

/* 路径总览 */
.page-faq .path-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .path-legend {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .path-legend .legend-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .path-legend .legend-item:first-child {
  border-top: 1px dashed var(--line);
}

.page-faq .legend-key {
  flex: 0 0 auto;
  display: inline-block;
  padding: 3px 9px;
  border-radius: 7px;
  background: var(--teal);
  color: var(--gold-soft);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
}

.page-faq .legend-text {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.75;
}

.page-faq .legend-text strong {
  display: block;
  margin-bottom: 4px;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-faq .path-figure {
  margin: 0;
  transform: rotate(-.7deg);
  box-shadow: var(--shadow-card);
}

.page-faq .path-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-tile);
}

/* 开局三步 */
.page-faq .step-grid {
  display: grid;
  gap: 16px;
}

.page-faq .step-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--faq-pad);
  overflow: hidden;
}

.page-faq .step-card::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(36, 26, 22, .12);
  border-radius: calc(var(--radius-tile) - 8px);
  pointer-events: none;
}

.page-faq .step-card > * {
  position: relative;
  z-index: 1;
}

.page-faq .step-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .04em;
  line-height: 1;
}

.page-faq .step-tip {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--jade);
}

/* 规则标签 */
.page-faq .rule-tabs {
  margin-top: 8px;
}

.page-faq .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .tab {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--jade-white);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-faq .tab[aria-selected="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--jade-white);
  box-shadow: inset 0 -2px 0 var(--gold);
}

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

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

.page-faq .rule-panel {
  padding: var(--faq-pad);
  border-radius: var(--radius-tile);
  border: 1px solid var(--line);
  background: var(--jade-white);
  box-shadow: var(--shadow-card);
}

.page-faq .panel-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 800;
  color: var(--ink);
}

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

.page-faq .rule-list li {
  counter-increment: rule;
  position: relative;
  padding-left: 42px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .rule-list li::before {
  content: counter(rule, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 30px;
  padding: 2px 0;
  text-align: center;
  border-radius: 6px;
  background: rgba(196, 71, 46, .1);
  color: var(--vermilion);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

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

.page-faq .panel-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
  font-size: 13.5px;
  color: var(--ink-soft);
}

.page-faq .score-figure {
  margin: 20px 0 0;
}

.page-faq .score-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

/* 段位 */
.page-faq .rank-grid {
  display: grid;
  gap: 16px;
}

.page-faq .rank-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--faq-pad);
}

.page-faq .rank-card .tag {
  align-self: flex-start;
}

.page-faq .rank-card--gold {
  background: linear-gradient(160deg, #FBEFD3, var(--gold-soft));
  border-color: rgba(214, 162, 61, .45);
}

.page-faq .rank-card--deep {
  background: var(--teal);
  border-color: var(--teal-deep);
}

.page-faq .rank-card--deep .card-title {
  color: var(--jade-white);
}

.page-faq .rank-card--deep .card-text {
  color: rgba(255, 253, 247, .82);
}

.page-faq .rank-meta {
  margin: auto 0 0;
  padding-top: 10px;
  border-top: 1px dashed rgba(36, 26, 22, .14);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--jade);
}

.page-faq .rank-card--deep .rank-meta {
  border-top-color: rgba(255, 253, 247, .26);
  color: var(--gold-soft);
}

/* 问答 */
.page-faq .qa-groups {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .qa-group {
  min-width: 0;
}

.page-faq .qa-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  color: var(--ink);
}

.page-faq .qa-group-title .mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--jade);
  color: var(--jade-white);
  font-size: 13px;
  font-weight: 700;
}

.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
  background: transparent;
  transition: background .18s var(--ease);
}

.page-faq .qa[open] {
  background: rgba(255, 253, 247, .7);
}

.page-faq .qa summary {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-faq .qa summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  border: 1px solid rgba(22, 122, 104, .5);
  color: var(--jade);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-faq .qa[open] summary::before {
  content: "−";
  background: var(--jade);
  border-color: var(--jade);
  color: var(--jade-white);
}

.page-faq .qa summary:hover {
  color: var(--teal);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 6px;
}

.page-faq .qa-a {
  padding: 0 4px 16px 30px;
}

.page-faq .qa-a p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 支持 */
.page-faq .support-panel {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: calc(var(--radius-tile) + 6px);
  background: linear-gradient(150deg, var(--teal) 0%, var(--teal-deep) 100%);
  color: var(--jade-white);
  box-shadow: var(--shadow-card);
}

.page-faq .eyebrow--light {
  color: var(--gold-soft);
}

.page-faq .support-panel .section-title {
  margin: 8px 0 0;
  color: var(--jade-white);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
}

.page-faq .support-text {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(255, 253, 247, .84);
}

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

.page-faq .btn-ghost--light {
  border-color: rgba(255, 253, 247, .5);
  color: var(--jade-white);
  background: transparent;
}

.page-faq .btn-ghost--light:hover {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

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

.page-faq .support-contact .contact-item {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(255, 253, 247, .22);
}

.page-faq .support-contact .contact-item--note {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .support-contact .contact-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-soft);
}

.page-faq .support-contact .contact-value {
  font-size: 14px;
  line-height: 1.7;
  color: var(--jade-white);
  word-break: break-word;
}

.page-faq .support-backlink {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .support-backlink a {
  color: var(--jade);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .support-backlink a:hover {
  color: var(--vermilion);
}

.page-faq a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (min-width: 720px) {
  .page-faq .step-grid,
  .page-faq .rank-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .path-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 3.6vw, 48px);
  }

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

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .qa-groups {
    column-gap: clamp(26px, 4vw, 52px);
  }
}

@media (min-width: 1180px) {
  .page-faq .rank-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .path-figure {
    transform: none;
  }

  .page-faq .tab,
  .page-faq .qa {
    transition: none;
  }
}