/* ===== 帮助中心页面专属样式 ===== */
.page-faq {
  --faq-pad: clamp(20px, 3.2vw, 38px);
  --faq-gap: clamp(22px, 3vw, 40px);
  position: relative;
  background:
    radial-gradient(880px 520px at 10% -8%, rgba(56, 232, 176, 0.1), transparent 64%),
    radial-gradient(760px 500px at 96% 2%, rgba(123, 108, 246, 0.07), transparent 62%),
    var(--night);
  color: var(--flood);
  font-family: var(--font-body);
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(24px, 5vw, 60px) 0 clamp(20px, 3.2vw, 42px);
}

.page-faq .faq-hero .crumbs {
  margin: 0 0 clamp(16px, 2.4vw, 28px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  max-width: 16ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--flood);
}

.page-faq .faq-hero__lede {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: rgba(232, 243, 238, 0.76);
}

.page-faq .faq-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-faq .faq-hero__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--ink);
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-hero__fig figcaption {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  background: var(--panel-ink, var(--ink));
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-hero__facts > div {
  background: var(--ink);
  padding: 14px 16px;
}

.page-faq .faq-hero__facts dt {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

.page-faq .faq-hero__facts dd {
  margin: 8px 0 0;
  font-family: var(--font-data);
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--flood);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-deck {
  display: grid;
  gap: var(--faq-gap);
  padding-bottom: clamp(36px, 6vw, 84px);
}

.page-faq .faq-rail {
  padding-left: 16px;
  border-left: 2px solid rgba(30, 107, 69, 0.8);
}

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

.page-faq .faq-rail__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  transition: color var(--dur) ease, background-color var(--dur) ease;
}

.page-faq .faq-rail__list a span {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--turf-mid);
  transition: color var(--dur) ease;
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  color: var(--flood);
  background: rgba(56, 232, 176, 0.08);
}

.page-faq .faq-rail__list a:hover span,
.page-faq .faq-rail__list a:focus-visible span {
  color: var(--mint);
}

.page-faq .faq-rail__note {
  margin: 18px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-rail__note a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--mint-line);
}

.page-faq .faq-stream {
  display: grid;
  gap: clamp(22px, 3.2vw, 40px);
  min-width: 0;
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-block {
  padding: var(--faq-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--ink);
  min-width: 0;
}

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

.page-faq .faq-block__no {
  margin: 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--mint);
  opacity: 0.85;
}

.page-faq .faq-block .h-sec {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--flood);
}

.page-faq .faq-block__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  margin-top: clamp(16px, 2.2vw, 26px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q {
  border-top: 1px solid var(--line);
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--flood);
  transition: color var(--dur) ease;
}

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

.page-faq .faq-q > summary:hover {
  color: var(--mint);
}

.page-faq .faq-q > summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__sign {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color var(--dur) ease, transform var(--dur) ease;
}

.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: var(--mint);
}

.page-faq .faq-q__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-q__sign::after {
  width: 1.5px;
  height: 10px;
  transition: transform var(--dur) ease, opacity var(--dur) ease;
}

.page-faq .faq-q[open] > summary {
  color: var(--flood);
}

.page-faq .faq-q[open] .faq-q__sign {
  border-color: var(--mint-line);
  transform: rotate(180deg);
}

.page-faq .faq-q[open] .faq-q__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-q__body {
  padding: 0 0 20px 14px;
  border-left: 2px solid var(--mint-line);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.78);
}

.page-faq .faq-q[open] .faq-q__body {
  animation: faqRise 0.26s ease both;
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
}

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

@keyframes faqRise {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 外援名额专区 ---------- */
.page-faq .faq-quota {
  margin-top: clamp(16px, 2.4vw, 26px);
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid rgba(56, 232, 176, 0.22);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(18, 61, 43, 0.55), rgba(14, 21, 19, 0.92));
}

.page-faq .faq-quota__svg {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin: 14px 0 0;
}

.page-faq .faq-quota__fig {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--night);
}

.page-faq .faq-quota__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-faq .faq-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: clamp(14px, 2vw, 22px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--line);
}

.page-faq .faq-field {
  background: var(--panel-ink, var(--ink));
  padding: 13px 15px;
}

.page-faq .faq-field__k {
  margin: 0;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-faq .faq-field__v {
  margin: 7px 0 0;
  font-size: 13.5px;
  line-height: 1.66;
  color: var(--slate);
}

/* ---------- 订阅与导出卡片 ---------- */
.page-faq .faq-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-tool {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(30, 107, 69, 0.18), rgba(14, 21, 19, 0.6));
}

.page-faq .faq-tool .tag {
  display: inline-block;
}

.page-faq .faq-tool__t {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--flood);
}

.page-faq .faq-tool__d {
  margin: 9px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-cta {
  padding: clamp(28px, 5vw, 64px) 0 clamp(34px, 6vw, 76px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(18, 61, 43, 0.34), rgba(7, 12, 11, 0));
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  align-items: center;
}

.page-faq .faq-cta__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--flood);
}

.page-faq .faq-cta__lede {
  margin: 12px 0 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-deck {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
    gap: clamp(30px, 3.6vw, 52px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 118px;
  }

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

  .page-faq .faq-block {
    padding: clamp(28px, 3vw, 40px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q[open] .faq-q__body {
    animation: none;
  }

  .page-faq .faq-q__sign,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-rail__list a {
    transition: none;
  }
}

.page-faq {
  --panel-ink: transparent;
}