/* ============================================================
   帮助中心 /help-center/
   作用域：.page-faq
   ============================================================ */

.page-faq {
  --faq-nav: 272px;
  --faq-line: rgba(110, 114, 120, 0.32);
  --faq-hard: 6px 6px 0 var(--c-ink);
  background: var(--bg);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(22px, 4vw, 44px) 0 clamp(32px, 5vw, 68px);
  border-bottom: 3px solid var(--c-ink);
  background:
    radial-gradient(circle at 82% 12%, rgba(255, 106, 26, 0.18), transparent 46%),
    radial-gradient(circle at 8% 86%, rgba(92, 122, 90, 0.22), transparent 42%),
    linear-gradient(158deg, var(--c-space) 0%, var(--c-space-2) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(110, 114, 120, 0.14) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(0deg, rgba(110, 114, 120, 0.1) 0 1px, transparent 1px 68px);
  pointer-events: none;
}

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

.page-faq .faq-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-hero__title {
  margin: 18px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 3.8rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 2px solid var(--faq-line);
}

.page-faq .faq-stat {
  border-left: 3px solid var(--c-clay);
  padding-left: 14px;
}

.page-faq .faq-stat dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-faq .faq-stat dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1;
  color: var(--c-white);
}

.page-faq .faq-hero__figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: 3px solid var(--c-ink);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
  background: var(--c-ink);
}

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

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding: clamp(36px, 5vw, 72px) 0 clamp(48px, 6vw, 96px);
}

/* ---------- 侧栏目录 ---------- */
.page-faq .faq-toc {
  border: 3px solid var(--c-ink);
  background: var(--c-space-2);
  box-shadow: var(--faq-hard);
  padding-bottom: 10px;
  align-self: start;
}

.page-faq .faq-toc__title {
  margin: 0;
  padding: 16px 18px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-lime);
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 18px;
  border-left: 3px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.5;
  transition: border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-left-color: var(--c-orange);
  background: rgba(255, 106, 26, 0.1);
  color: var(--c-white);
}

.page-faq .faq-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  flex: none;
}

/* ---------- 内容列 ---------- */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 5.5vw, 76px);
  min-width: 0;
}

.page-faq .faq-sec {
  min-width: 0;
  scroll-margin-top: 110px;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--c-ink);
}

.page-faq .faq-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 3.6vw, 2.7rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-rock);
  transition: -webkit-text-stroke-color var(--t-mid) var(--ease);
}

.page-faq .faq-sec__head.is-revealed .faq-sec__num {
  -webkit-text-stroke-color: var(--c-orange);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.8vw, 1.9rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--c-white);
}

.page-faq .faq-sec__intro {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-sec__foot {
  margin: 24px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-sec__foot a {
  color: var(--c-cream);
  text-decoration: underline;
  text-decoration-color: var(--c-orange);
  text-underline-offset: 4px;
}

.page-faq .faq-sec__foot a:hover,
.page-faq .faq-sec__foot a:focus-visible {
  color: var(--c-orange);
}

/* ---------- 适配清单表 ---------- */
.page-faq .faq-table-wrap {
  margin-top: 24px;
  border: 3px solid var(--c-ink);
  box-shadow: var(--faq-hard);
  background: var(--c-space-2);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.93rem;
}

.page-faq .faq-table__caption {
  caption-side: top;
  text-align: left;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-table thead th {
  background: var(--c-ink);
  color: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  border-bottom: 2px solid var(--c-ink);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  color: var(--c-white);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: rgba(242, 237, 228, 0.045);
}

.page-faq .faq-table tbody tr {
  transition: background-color var(--t-fast) var(--ease);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(255, 106, 26, 0.1);
}

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

/* 状态标记 */
.page-faq .faq-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 3px 10px;
  border: 2px solid var(--c-moss);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cream);
  white-space: nowrap;
}

.page-faq .faq-state::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--c-moss);
}

.page-faq .faq-state--lite {
  border-color: var(--c-lime);
}

.page-faq .faq-state--lite::before {
  background: var(--c-lime);
  box-shadow: 0 0 0 3px rgba(182, 255, 59, 0.18);
}

.page-faq .faq-state--new {
  border-color: var(--c-orange);
}

.page-faq .faq-state--new::before {
  background: var(--c-orange);
}

.page-faq .faq-note {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-faq .faq-note a {
  color: var(--c-cream);
  text-decoration: underline;
  text-decoration-color: var(--c-clay);
  text-underline-offset: 4px;
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--c-orange);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-item {
  border: 3px solid var(--c-ink);
  background: var(--c-space-2);
  box-shadow: var(--faq-hard);
  transition: border-color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--c-orange);
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--c-ink);
}

.page-faq .faq-item[open] {
  border-color: var(--c-orange);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--c-white);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--c-orange);
  transition: transform var(--t-mid) var(--ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.page-faq .faq-item__mark {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-faq .faq-item__a {
  padding: 16px 18px 20px;
  border-top: 2px solid var(--faq-line);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text);
}

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

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

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding-left: 32px;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.28em;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

/* ---------- 比分与战报说明 ---------- */
.page-faq .faq-specs {
  display: flex;
  flex-direction: column;
  margin-top: 24px;
  border-left: 4px solid var(--c-moss);
}

.page-faq .faq-spec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0 15px 18px;
  border-bottom: 1px dashed var(--faq-line);
}

.page-faq .faq-spec:last-child {
  border-bottom: 0;
}

.page-faq .faq-spec__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-faq .faq-spec__val {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .source-note {
  margin: 24px 0 0;
  padding: 14px 0 14px 16px;
  border-left: 4px solid var(--c-moss);
  background: rgba(92, 122, 90, 0.12);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .source-note__key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-cream);
}

/* ---------- 更新公告 ---------- */
.page-faq .faq-notice {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 34px);
  margin-top: 24px;
}

.page-faq .faq-notice__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 3px solid var(--c-ink);
}

.page-faq .faq-notice__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 2px solid var(--faq-line);
}

.page-faq .faq-notice__issue {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-faq .faq-notice__body {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-notice__title {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--c-white);
}

.page-faq .faq-notice__figure {
  margin: 0;
  border: 3px solid var(--c-ink);
  box-shadow: var(--faq-hard);
  overflow: hidden;
  background: var(--c-ink);
}

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

.page-faq .faq-notice__cap {
  padding: 10px 14px;
  border-top: 2px solid var(--c-ink);
  background: var(--c-space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 人工客服 ---------- */
.page-faq .faq-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: 24px;
  padding: clamp(20px, 3vw, 30px);
  border: 3px solid var(--c-orange);
  box-shadow: var(--faq-hard);
  background:
    linear-gradient(140deg, rgba(255, 106, 26, 0.1), transparent 62%),
    var(--c-space-2);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  background: var(--c-lime);
}

.page-faq .faq-support__action {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

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

  .page-faq .faq-spec {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-faq .faq-notice__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-notice {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-nav) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    max-width: none;
  }

  .page-faq .faq-item__q {
    font-size: 0.95rem;
    padding: 14px 14px;
  }

  .page-faq .faq-item__a,
  .page-faq .faq-table th,
  .page-faq .faq-table td {
    padding-left: 14px;
    padding-right: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__q::after,
  .page-faq .faq-toc__link,
  .page-faq .faq-sec__num,
  .page-faq .faq-table tbody tr {
    transition: none;
  }
}