.page-faq {
  --faq-card: #123B2F;
  --faq-line: 1px solid rgba(138, 106, 47, .48);
  background: var(--ink-green);
  color: var(--porcelain);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 8vw, 96px);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb-wrap {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ash);
}

.page-faq .breadcrumb > * + * {
  margin-left: 8px;
}

.page-faq .breadcrumb a {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 106, 47, .5);
}

.page-faq .breadcrumb a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(32px, 5vw, 60px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: -50px;
  right: -16%;
  width: min(700px, 82vw);
  height: 122%;
  background: linear-gradient(150deg, rgba(26, 74, 59, .62), rgba(10, 42, 33, 0) 68%);
  transform: rotate(-9deg);
  pointer-events: none;
}

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

.page-faq .faq-hero-label {
  color: var(--amber);
}

.page-faq h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.1;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-path-wrap {
  position: relative;
  margin-top: clamp(30px, 5vw, 52px);
}

.page-faq .faq-path-line {
  display: none;
  position: absolute;
  top: -20px;
  left: 3%;
  right: 3%;
  width: 94%;
  height: 38px;
  color: var(--copper);
  opacity: .8;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-dasharray: 7 9;
  pointer-events: none;
}

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

.page-faq .faq-path-step {
  padding: 20px 20px 22px;
  background: rgba(18, 59, 47, .74);
  border: var(--faq-line);
  border-top: 3px solid var(--amber);
  transition: transform .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-path-step:hover {
  transform: translateY(-3px);
  background: rgba(26, 74, 59, .88);
}

.page-faq .faq-path-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-path-step h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-path-step p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-section {
  padding: clamp(38px, 7vw, 82px) 0 0;
}

.page-faq .faq-sec-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-faq .faq-sec-head .label {
  color: var(--amber);
}

.page-faq .faq-sec-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.25;
  letter-spacing: -.015em;
}

.page-faq .faq-sec-head p {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

/* ---------- 问答布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 22px;
}

.page-faq .faq-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-tab {
  --faq-mark: var(--amber);
  flex: 0 0 auto;
  display: block;
  padding: 11px 15px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--porcelain);
  text-decoration: none;
  white-space: nowrap;
  background: rgba(18, 59, 47, .55);
  border: var(--faq-line);
  border-left: 3px solid var(--faq-mark);
  transition: background .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-tab--search { --faq-mark: var(--amber); }
.page-faq .faq-tab--play { --faq-mark: var(--cool-cyan); }
.page-faq .faq-tab--export { --faq-mark: var(--ash); }
.page-faq .faq-tab--rule { --faq-mark: var(--cinnabar); }

.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible {
  background: rgba(26, 74, 59, .95);
  transform: translateX(2px);
}

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

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

.page-faq .faq-group + .faq-group {
  margin-top: 34px;
}

.page-faq .faq-group {
  --faq-mark: var(--amber);
  scroll-margin-top: 96px;
}

.page-faq .faq-group--search { --faq-mark: var(--amber); }
.page-faq .faq-group--play { --faq-mark: var(--cool-cyan); }
.page-faq .faq-group--export { --faq-mark: var(--ash); }
.page-faq .faq-group--rule { --faq-mark: var(--cinnabar); }

.page-faq .faq-group-title {
  margin: 0;
  font-size: inherit;
  font-weight: 400;
}

.page-faq .faq-group-mark {
  display: inline-block;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--porcelain);
  background: rgba(255, 255, 255, .05);
  border-left: 3px solid var(--faq-mark);
}

.page-faq .faq-group-note {
  margin: 12px 0 16px;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ash);
}

/* ---------- 问答条 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-bottom: 10px;
  background: var(--faq-card);
  border: var(--faq-line);
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 15px solid var(--ink-green);
  border-left: 15px solid transparent;
  transition: border-top-color .22s var(--ease);
}

.page-faq .faq-item[open] {
  transform: translateY(2px);
  border-color: rgba(226, 169, 59, .7);
  box-shadow: 6px 6px 0 -2px rgba(10, 42, 33, .9), 0 0 0 1px rgba(226, 169, 59, .18);
}

.page-faq .faq-item[open]::after {
  border-top-color: var(--amber);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--porcelain);
  transition: color .2s var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  color: var(--gold);
}

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

.page-faq .faq-q-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--faq-mark, var(--amber));
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-item > summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
  border-color: var(--amber);
}

.page-faq .faq-a {
  padding: 0 18px 20px;
  border-top: 1px dashed rgba(138, 106, 47, .38);
  animation: faq-slide-in .22s var(--ease) both;
}

@keyframes faq-slide-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 62px;
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--porcelain);
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: "STEP " counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 2px 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--amber);
  border: 1px solid rgba(226, 169, 59, .5);
  font-variant-numeric: tabular-nums;
}

/* ---------- 难度档位 ---------- */
.page-faq .faq-level-bar {
  height: 6px;
  margin-bottom: 26px;
  background: linear-gradient(90deg, var(--cool-cyan), var(--deep-blue));
  border: 1px solid rgba(86, 183, 201, .3);
}

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

.page-faq .faq-level {
  padding: 22px 20px 24px;
  background: var(--faq-card);
  border: var(--faq-line);
  border-top: 3px solid var(--cool-cyan);
  transition: transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-level--advanced { border-top-color: #3C8FA6; }
.page-faq .faq-level--arena { border-top-color: var(--deep-blue); }

.page-faq .faq-level:hover {
  transform: translateY(-4px);
  background: rgba(28, 78, 99, .3);
}

.page-faq .faq-level-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cool-cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-level h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-faq .faq-level-desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--porcelain);
}

.page-faq .faq-level-hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(86, 183, 201, .35);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ash);
  opacity: .62;
  transition: opacity .22s var(--ease);
}

.page-faq .faq-level:hover .faq-level-hint {
  opacity: 1;
}

/* ---------- 换桌位 ---------- */
.page-faq .faq-seat-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-seat-copy .label {
  color: var(--copper);
}

.page-faq .faq-seat-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.25;
  letter-spacing: -.015em;
}

.page-faq .faq-seat-copy > p {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-seat-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-seat-list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ash);
  background: rgba(18, 59, 47, .6);
  border-left: 3px solid var(--copper);
}

.page-faq .faq-seat-list strong {
  color: var(--gold);
  font-weight: 600;
  letter-spacing: .04em;
}

.page-faq .faq-fig {
  margin: 0;
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(138, 106, 47, .6);
  outline: 1px solid rgba(10, 42, 33, .9);
  outline-offset: -8px;
}

.page-faq .faq-fig figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ash);
}

/* ---------- 提交咨询 ---------- */
.page-faq .faq-submit-grid {
  display: grid;
  gap: 26px;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid rgba(138, 106, 47, .4);
}

.page-faq .faq-submit-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 36px);
  line-height: 1.28;
  letter-spacing: -.015em;
}

.page-faq .faq-submit-copy .label {
  color: var(--amber);
}

.page-faq .faq-submit-copy p {
  margin: 14px 0 22px;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-prepare {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(138, 106, 47, .3);
  border: var(--faq-line);
}

.page-faq .faq-prepare li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-column-gap: 14px;
  align-items: baseline;
  padding: 14px 16px;
  background: var(--faq-card);
}

.page-faq .faq-prepare-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-prepare-key {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--porcelain);
}

.page-faq .faq-prepare-val {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ash);
}

/* ---------- 断点 ---------- */
@media (min-width: 780px) {
  .page-faq .faq-path-line {
    display: block;
  }

  .page-faq .faq-path {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-faq .faq-levels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-tabs {
    position: sticky;
    top: 100px;
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-tab {
    width: 100%;
  }

  .page-faq .faq-seat-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .95fr);
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-submit-grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 44px;
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-faq .faq-steps li {
    padding-left: 0;
    padding-top: 26px;
  }

  .page-faq .faq-steps li::before {
    top: 0;
  }

  .page-faq .faq-seat-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}