.page-faq {
  --faq-gap: clamp(20px, 3.4vw, 44px);
  --faq-line: #1C2C4C;
  background:
    radial-gradient(1100px 560px at 78% -8%, rgba(43, 232, 176, 0.10), transparent 65%),
    radial-gradient(900px 620px at -12% 32%, rgba(110, 91, 255, 0.12), transparent 62%),
    var(--ink-950);
  color: var(--text-100);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(28px, 4.5vw, 60px)) 0 clamp(32px, 4vw, 56px);
}

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 2.4vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-hero__lead .h-display {
  margin: 0;
  max-width: 22ch;
}

.page-faq .faq-hero__lead .lede {
  margin: 18px 0 0;
  max-width: 62ch;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__index {
  position: relative;
  padding: 22px 18px 18px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
}

.page-faq .faq-hero__index::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 58px;
  height: 3px;
  background: linear-gradient(90deg, var(--signal-400), var(--index-500));
}

.page-faq .faq-hero__index-title {
  margin: 0 0 12px;
  font-family: var(--font-cond);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--text-400);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-jump a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  color: var(--text-100);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: rgba(43, 232, 176, 0.09);
  border-left-color: var(--signal-400);
  color: var(--signal-200);
  outline: none;
}

/* ---------- 通用分节 ---------- */
.page-faq .faq-section {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .h-section {
  margin-top: 10px;
}

.page-faq .section-intro {
  max-width: 66ch;
  margin: 14px 0 0;
  color: var(--text-400);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-note {
  max-width: 74ch;
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--score-400);
  color: var(--text-400);
  font-size: 0.92rem;
  line-height: 1.78;
}

/* ---------- 三步流程条 ---------- */
.page-faq .flow {
  list-style: none;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .flow__item {
  display: flex;
}

.page-faq .flow__link {
  display: grid;
  gap: 10px;
  width: 100%;
  padding: 22px 20px 24px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  color: var(--text-100);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .flow__link:hover,
.page-faq .flow__link:focus-visible {
  background: #101E3C;
  border-color: var(--signal-400);
  transform: translateY(-3px);
  outline: none;
}

.page-faq .flow__num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--signal-400);
}

.page-faq .flow__title {
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}

.page-faq .flow__desc {
  color: var(--text-400);
  font-size: 0.95rem;
  line-height: 1.72;
}

/* ---------- 数据带 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 2.6vw, 34px) 0 0;
  padding: 0;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--ink-850);
}

.page-faq .faq-stats dt {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-400);
}

.page-faq .faq-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1;
  color: var(--text-100);
}

.page-faq .faq-stats__item:nth-child(2) dd { color: var(--signal-400); }
.page-faq .faq-stats__item:nth-child(3) dd { color: var(--score-400); }
.page-faq .faq-stats__item:nth-child(4) dd { color: var(--index-500); }

.page-faq .faq-stats__unit {
  margin-left: 4px;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-400);
}

/* ---------- 操作前后对照 ---------- */
.page-faq .compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .compare__col {
  padding: 22px 22px 24px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--ink-700);
}

.page-faq .compare__col--before {
  color: var(--text-400);
}

.page-faq .compare__col--after {
  border-left-color: var(--signal-400);
  background: linear-gradient(180deg, rgba(43, 232, 176, 0.10), var(--ink-850) 72%);
  color: var(--text-100);
}

.page-faq .compare__label {
  margin: 0 0 14px;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  color: var(--text-400);
}

.page-faq .compare__col--after .compare__label {
  color: var(--signal-200);
}

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

.page-faq .compare__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  line-height: 1.72;
}

.page-faq .compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 9px;
  height: 2px;
  background: var(--ink-700);
}

.page-faq .compare__col--after .compare__list li::before {
  background: var(--signal-400);
}

/* ---------- 图帧 ---------- */
.page-faq .media-frame {
  margin: clamp(24px, 3vw, 40px) 0 0;
}

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

/* ---------- 要点栅格 ---------- */
.page-faq .fact-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-faq .fact-list li {
  padding: 18px 20px;
  background: var(--ink-850);
  color: var(--text-400);
  font-size: 0.95rem;
  line-height: 1.72;
}

.page-faq .fact-list strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--text-100);
}

/* ---------- 编号演示 ---------- */
.page-faq .code-demo {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: 24px 22px 26px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--index-500);
}

.page-faq .code-demo__raw {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-faq .code-demo__seg {
  padding: 6px 10px;
}

.page-faq .code-demo__seg--league {
  color: var(--signal-400);
  background: rgba(43, 232, 176, 0.10);
}

.page-faq .code-demo__seg--team {
  color: var(--score-400);
  background: rgba(255, 178, 63, 0.10);
}

.page-faq .code-demo__seg--season {
  color: var(--index-500);
  background: rgba(110, 91, 255, 0.16);
}

.page-faq .code-demo__dash {
  color: var(--text-400);
}

.page-faq .code-demo__legend {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-faq .code-demo__legend > div {
  display: grid;
  gap: 4px;
}

.page-faq .code-demo__legend dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--text-100);
}

.page-faq .code-demo__legend dd {
  margin: 0;
  color: var(--text-400);
  font-size: 0.92rem;
  line-height: 1.72;
}

.page-faq .code-demo__swatch {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
}

.page-faq .code-demo__swatch--league { background: var(--signal-400); }
.page-faq .code-demo__swatch--team { background: var(--score-400); }
.page-faq .code-demo__swatch--season { background: var(--index-500); }

/* ---------- 术语表 ---------- */
.page-faq .term-wrap {
  margin-top: clamp(22px, 3vw, 34px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
}

.page-faq .term-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.page-faq .term-table__caption {
  padding: 14px 18px;
  text-align: left;
  color: var(--text-400);
  font-size: 0.84rem;
  border-bottom: 1px solid var(--ink-700);
}

.page-faq .term-table th,
.page-faq .term-table td {
  padding: 13px 18px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(28, 44, 76, 0.75);
}

.page-faq .term-table thead th {
  font-family: var(--font-cond);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-400);
  background: rgba(5, 11, 24, 0.5);
}

.page-faq .term-table tbody tr:nth-child(odd) {
  background: rgba(28, 44, 76, 0.28);
}

.page-faq .term-table tbody th {
  font-family: var(--font-mono);
  font-weight: 500;
  white-space: nowrap;
  color: var(--signal-200);
}

.page-faq .term-table tbody td:nth-child(2) {
  font-family: var(--font-mono);
  white-space: nowrap;
  color: var(--score-400);
}

.page-faq .term-table tbody td:nth-child(3) {
  color: var(--text-400);
  line-height: 1.72;
}

.page-faq .term-table tbody tr:last-child th,
.page-faq .term-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 常见问题 ---------- */
.page-faq .qa {
  margin-top: clamp(22px, 3vw, 34px);
  display: grid;
  gap: 12px;
}

.page-faq .qa__item {
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--index-500);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-faq .qa__item[open] {
  background: #0E1B38;
  border-left-color: var(--signal-400);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-100);
  cursor: pointer;
  list-style: none;
}

.page-faq .qa__q::-webkit-details-marker { display: none; }
.page-faq .qa__q::marker { content: ""; }

.page-faq .qa__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--signal-400);
}

.page-faq .qa__item[open] .qa__q::after {
  content: "–";
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--signal-400);
  outline-offset: -2px;
}

.page-faq .qa__a {
  padding: 0 20px 20px;
}

.page-faq .qa__a p {
  max-width: 78ch;
  margin: 0;
  color: var(--text-400);
  font-size: 0.95rem;
  line-height: 1.82;
}

/* ---------- 结尾求助 ---------- */
.page-faq .faq-help {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .help-card {
  padding: 22px 20px 24px;
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
}

.page-faq .help-card--mail {
  background: linear-gradient(160deg, rgba(43, 232, 176, 0.14), var(--ink-850) 62%);
  border-color: rgba(43, 232, 176, 0.45);
}

.page-faq .help-card__label {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  color: var(--text-400);
}

.page-faq .help-card__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  word-break: break-all;
  color: var(--signal-400);
}

.page-faq .help-card__text {
  margin: 0;
  color: var(--text-400);
  font-size: 0.93rem;
  line-height: 1.75;
}

.page-faq .faq-help__foot {
  margin: 24px 0 0;
  color: var(--text-400);
  font-size: 0.93rem;
  line-height: 1.8;
}

.page-faq .faq-help__foot a {
  color: var(--signal-200);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__foot a:hover,
.page-faq .faq-help__foot a:focus-visible {
  color: var(--signal-400);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-faq .fact-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 820px) {
  .page-faq .flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .flow__item {
    position: relative;
  }

  .page-faq .flow__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -14px;
    width: 8px;
    height: 40px;
    transform: translateY(-50%) skewX(-26deg);
    background: linear-gradient(180deg, var(--signal-400), var(--score-400));
    opacity: 0.8;
  }
}

@media (min-width: 880px) {
  .page-faq .compare {
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .help-grid {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

  .page-faq .code-demo {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 34px;
    padding: 28px 26px 30px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.8fr);
    align-items: start;
  }

  .page-faq .faq-hero__index {
    padding: 24px 20px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .flow__link,
  .page-faq .faq-jump a,
  .page-faq .qa__item {
    transition: none;
  }

  .page-faq .flow__link:hover,
  .page-faq .flow__link:focus-visible {
    transform: none;
  }
}