.page-faq {
  --faq-border-strong: 3px solid var(--border-steel);
  background:
    radial-gradient(circle at 88% 8%, rgba(27, 77, 62, 0.5) 0%, transparent 36%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep) 100%);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding-top: 44px;
  padding-bottom: 56px;
  border-bottom: 4px solid var(--border-steel);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 30%;
  height: 100%;
  background:
    repeating-linear-gradient(-45deg, transparent 0 12px, rgba(27, 77, 62, 0.7) 12px 14px),
    linear-gradient(135deg, transparent 30%, rgba(27, 77, 62, 0.25) 100%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.7;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
}

.page-faq .faq-hero__main {
  min-width: 0;
  position: relative;
  padding-left: 18px;
  border-left: 4px solid var(--accent-mint);
}

.page-faq .faq-hero__kicker {
  margin-bottom: 10px;
}

.page-faq .faq-hero__title {
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: 1.02;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.page-faq .faq-hero__lead {
  max-width: 720px;
  margin-top: 18px;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  border: var(--faq-border-strong);
  padding: 18px 20px;
  background: rgba(11, 15, 25, 0.78);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.28);
  max-width: 440px;
}

.page-faq .faq-hero__meta-label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-violet);
  margin-bottom: 14px;
}

.page-faq .faq-hero__meta-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.page-faq .faq-hero__meta-num {
  display: block;
  font-family: var(--font-data);
  font-size: 30px;
  font-weight: 800;
  color: var(--accent-mint);
  line-height: 1.05;
}

.page-faq .faq-hero__meta-list li {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.45;
  padding-right: 10px;
}

/* ===== 区块通用标题 ===== */
.page-faq .faq-section-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.page-faq .faq-section-head__note {
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.page-faq .faq-section-head h2 {
  margin: 2px 0 0;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.1;
  text-transform: uppercase;
}

/* ===== 最常被问：手风琴 ===== */
.page-faq .faq-accordion {
  background: var(--panel-light);
  border: var(--faq-border-strong);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.28);
  display: flex;
  flex-direction: column;
}

.page-faq .faq-item {
  display: block;
  border-bottom: 1px solid rgba(58, 65, 82, 0.28);
}

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

.page-faq .faq-item[open] {
  background: #ffffff;
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
  min-height: 68px;
  padding: 16px;
  transition: background 0.2s ease;
}

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

.page-faq .faq-item summary:hover {
  background: rgba(0, 229, 160, 0.08);
}

.page-faq .faq-item summary:focus-visible {
  outline: 3px solid var(--accent-mint);
  outline-offset: -3px;
}

.page-faq .faq-num {
  font-family: var(--font-data);
  font-weight: 800;
  font-size: 18px;
  color: var(--accent-amber);
  min-width: 30px;
}

.page-faq .faq-q {
  flex: 1 1 200px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  color: #10131B;
}

.page-faq .faq-tag {
  display: inline-block;
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1;
  padding: 6px 10px;
  background: var(--accent-violet);
  color: #ffffff;
  letter-spacing: 0.03em;
}

.page-faq .faq-item[open] .faq-num {
  color: var(--accent-mint);
}

.page-faq .faq-chevron {
  position: relative;
  flex: 0 0 22px;
  width: 22px;
  height: 22px;
  color: var(--border-steel);
  align-self: center;
}

.page-faq .faq-chevron::before,
.page-faq .faq-chevron::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  border-radius: 1px;
}

.page-faq .faq-chevron::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-chevron::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.page-faq .faq-item[open] .faq-chevron {
  color: var(--accent-mint);
}

.page-faq .faq-item[open] .faq-chevron::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-a {
  padding: 0 22px 26px 58px;
  color: #3A4152;
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
}

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

.page-faq .faq-a a {
  color: #0B5C44;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-a a:hover {
  color: #00845C;
}

/* ===== 功能详解 ===== */
.page-faq .faq-detail {
  padding-top: 64px;
  padding-bottom: 24px;
}

.page-faq .faq-module-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-module {
  background: var(--panel-light);
  border: var(--faq-border-strong);
  box-shadow: var(--shadow-panel);
  padding: 22px 20px 12px;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.page-faq .faq-module__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 6px;
  border-bottom: 2px solid rgba(58, 65, 82, 0.14);
}

.page-faq .faq-module__title {
  font-family: var(--font-title);
  font-size: 20px;
  line-height: 1.2;
  text-transform: uppercase;
  margin: 0;
  color: #10131B;
}

.page-faq .faq-module .panel-tag {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 12px;
  padding: 5px 10px;
  color: #10131B;
  background: rgba(140, 124, 255, 0.18);
  border: 1px solid rgba(140, 124, 255, 0.6);
}

.page-faq .faq-module .panel-tag--amber {
  background: rgba(255, 203, 71, 0.2);
  border-color: rgba(255, 203, 71, 0.7);
}

.page-faq .faq-module .panel-tag--mint {
  background: rgba(0, 229, 160, 0.15);
  border-color: rgba(0, 229, 160, 0.65);
}

.page-faq .faq-item--compact {
  border-bottom: 1px solid rgba(58, 65, 82, 0.18);
}

.page-faq .faq-item--compact summary {
  min-height: 56px;
  padding: 14px 4px;
}

.page-faq .faq-item--compact .faq-num {
  font-size: 15px;
  min-width: 26px;
}

.page-faq .faq-item--compact .faq-q {
  font-size: 15px;
}

.page-faq .faq-item--compact .faq-a {
  padding: 0 4px 22px 30px;
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-figure {
  margin: 14px 0 18px;
  padding: 10px;
  background: #ffffff;
  border: 2px solid var(--border-steel);
}

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

.page-faq .faq-figure figcaption {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--text-dim);
  padding: 10px 4px 2px;
}

/* ===== 联系支持 ===== */
.page-faq .faq-contact {
  padding-top: 56px;
  padding-bottom: 72px;
}

.page-faq .faq-contact__frame {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  background: linear-gradient(135deg, #12332A 0%, var(--pitch-green) 100%);
  border: 3px solid rgba(255, 203, 71, 0.5);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
  padding: 32px 24px;
}

.page-faq .faq-contact__info h2 {
  font-size: 32px;
  line-height: 1.1;
  text-transform: uppercase;
  margin: 4px 0 16px;
}

.page-faq .faq-contact__lead {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-bright);
  margin-bottom: 22px;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-bright);
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__label {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-amber);
  padding-top: 3px;
}

.page-faq .faq-contact__note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
  margin: 0 0 12px;
}

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

.page-faq .faq-contact__img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 2px solid rgba(242, 245, 248, 0.22);
}

.page-faq .faq-contact .btn.btn--solid {
  display: inline-block;
  background: var(--accent-mint);
  color: #0B0F19;
  border: 2px solid #0B0F19;
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  padding: 12px 24px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  margin-top: 10px;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-contact .btn.btn--solid:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.32);
}

.page-faq .faq-contact .btn.btn--solid:active {
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.3);
}

/* ===== 桌面响应式 ===== */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1fr 360px;
  }

  .page-faq .faq-hero__meta {
    margin-bottom: 4px;
  }

  .page-faq .faq-module-grid {
    grid-template-columns: repeat(2, 1fr);
    align-items: stretch;
  }

  .page-faq .faq-module--feature {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "head  head"
      "item1 figure"
      "item2 figure";
    column-gap: 32px;
  }

  .page-faq .faq-module--feature .faq-module__head {
    grid-area: head;
  }

  .page-faq .faq-module--feature .faq-item:nth-child(2) {
    grid-area: item1;
  }

  .page-faq .faq-module--feature .faq-item:nth-child(3) {
    grid-area: item2;
  }

  .page-faq .faq-module--feature .faq-figure {
    grid-area: figure;
    margin-top: 6px;
    align-self: start;
  }

  .page-faq .faq-contact__frame {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    padding: 40px 36px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-hero {
    padding-top: 56px;
    padding-bottom: 68px;
  }

  .page-faq .faq-section-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }

  .page-faq .faq-section-head__note {
    max-width: 360px;
    text-align: right;
  }

  .page-faq .faq-a {
    font-size: 16px;
  }
}

/* ===== 减少动效偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
  }
}