/* ========== 使用帮助页 page-faq ========== */
.page-faq {
  --faq-hero-grad: linear-gradient(135deg, #23003F 0%, #4B0082 52%, #6A2EB5 100%);
  --faq-support-grad: linear-gradient(120deg, #23003F, #4B0082 70%, #5A189A);
  max-width: var(--content-w);
  margin-inline: auto;
  padding-inline: 16px;
  padding-bottom: 52px;
}

.page-faq .breadcrumb {
  margin-top: 18px;
}

/* ---- 英雄区 ---- */
.page-faq__hero {
  position: relative;
  margin-top: 16px;
  padding: 26px 20px 30px;
  border-radius: var(--radius-notch);
  background: var(--faq-hero-grad);
  color: #fff;
  overflow: hidden;
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 36px;
  right: 18px;
  top: 18px;
  transform: rotate(22deg);
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  right: -72px;
  top: -92px;
}

.page-faq__hero > * {
  position: relative;
  z-index: 1;
}

.page-faq__hero-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #D7BDFF;
}

.page-faq h1 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(1.42rem, 2.6vw + 0.7rem, 2.15rem);
  font-weight: 900;
  line-height: 1.35;
  color: #fff;
}

.page-faq__lead {
  margin: 0;
  max-width: 64ch;
  color: #EAD8FF;
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-faq__fruit-strip {
  display: flex;
  gap: 9px;
  margin-top: 18px;
}

.page-faq__fruit-dot {
  display: block;
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.page-faq__fruit-dot--berry { background: var(--berry); }
.page-faq__fruit-dot--melon { background: var(--melon); }
.page-faq__fruit-dot--sun {
  background: var(--sun);
  box-shadow: inset 0 0 0 1px rgba(170, 120, 0, 0.4);
}
.page-faq__fruit-dot--cherry { background: var(--cherry); }
.page-faq__fruit-dot--durian { background: var(--durian); }

/* ---- 页内索引 ---- */
.page-faq__index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq__index-link {
  --index-color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.page-faq__index-link::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--index-color);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.page-faq__index-link--step { --index-color: var(--berry); }
.page-faq__index-link--faq { --index-color: var(--melon); }
.page-faq__index-link--term { --index-color: #E6A800; }
.page-faq__index-link--contact { --index-color: var(--cherry); }

.page-faq__index-link:hover {
  border-color: var(--index-color);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* ---- 通用 section ---- */
.page-faq__section {
  margin-top: 46px;
}

/* ---- 快速上手 ---- */
.page-faq__quick-grid {
  display: grid;
  gap: 18px;
}

.page-faq__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq__step {
  --step-color: var(--accent);
  position: relative;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 16px 16px 14px;
  margin-bottom: 12px;
  background: var(--card-bg);
  border-left: 4px solid var(--step-color);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.page-faq__step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-faq__step--berry { --step-color: var(--berry); }
.page-faq__step--melon { --step-color: var(--melon); }
.page-faq__step--sun { --step-color: var(--sun); }
.page-faq__step--cherry { --step-color: var(--cherry); }
.page-faq__step--durian { --step-color: var(--durian); }

.page-faq__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.12rem;
  color: #fff;
  background: var(--step-color);
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.14);
}

.page-faq__step--sun .page-faq__step-num {
  color: #2F2F2F;
}

.page-faq__step h3 {
  margin: 3px 0 6px;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 800;
}

.page-faq__step p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.72;
}

.page-faq__step p a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq__quick-media {
  margin: 0;
}

.page-faq__quick-media img {
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  box-shadow: var(--shadow-sm);
}

/* ---- 常见问题 ---- */
.page-faq__faq-panel {
  background: var(--accent-soft);
  border-radius: 16px;
  padding: 16px 14px 8px;
}

.page-faq__faq-search {
  position: relative;
  margin-bottom: 16px;
}

.page-faq__search-input {
  width: 100%;
  padding: 12px 42px 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-main);
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  transition: var(--transition);
}

.page-faq__search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(75, 0, 130, 0.12);
}

.page-faq__search-input::placeholder {
  color: #8A8A8A;
}

.page-faq__search-icon {
  position: absolute;
  top: 50%;
  right: 13px;
  transform: translateY(-50%);
  color: var(--accent);
  display: inline-flex;
  pointer-events: none;
}

.page-faq__faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  overflow: hidden;
}

.page-faq__faq-item[open] {
  border-color: var(--accent);
}

.page-faq__faq-item summary {
  position: relative;
  padding: 15px 48px 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
}

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

.page-faq__faq-item summary::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--status-updating);
  vertical-align: middle;
}

.page-faq__faq-item:nth-child(4n+1) summary::before {
  background: var(--berry);
  box-shadow: 0 0 0 4px rgba(231, 84, 128, 0.14);
}

.page-faq__faq-item:nth-child(4n+2) summary::before {
  background: var(--melon);
  box-shadow: 0 0 0 4px rgba(60, 179, 113, 0.14);
}

.page-faq__faq-item:nth-child(4n+3) summary::before {
  background: var(--sun);
  box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.28);
}

.page-faq__faq-item:nth-child(4n+4) summary::before {
  background: var(--cherry);
  box-shadow: 0 0 0 4px rgba(211, 33, 93, 0.14);
}

.page-faq__faq-item summary::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent);
  transition: var(--transition);
}

.page-faq__faq-item[open] summary::after {
  content: "−";
  color: var(--berry);
}

.page-faq__faq-answer {
  padding: 2px 16px 16px;
  border-top: 1px dashed var(--border-color);
}

.page-faq__faq-answer p {
  margin: 14px 0 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-faq__faq-answer a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- 术语说明 ---- */
.page-faq__glossary-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 14px;
  box-shadow: var(--shadow-sm);
}

.page-faq__glossary-media {
  margin-bottom: 14px;
}

.page-faq__glossary-media img {
  display: block;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: 10px;
}

.page-faq .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  background: var(--card-bg);
}

.page-faq .data-table th,
.page-faq .data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  vertical-align: top;
}

.page-faq .data-table thead th {
  font-family: var(--font-heading);
  font-weight: 800;
  color: #fff;
  background: var(--accent);
  white-space: nowrap;
}

.page-faq .data-table tbody th[scope="row"] {
  font-family: var(--font-heading);
  font-weight: 700;
  white-space: nowrap;
  color: var(--text-main);
}

.page-faq .data-table tbody td {
  color: var(--text-muted);
  line-height: 1.6;
}

.page-faq .data-table tbody a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .data-table tbody tr:nth-child(6n+1) th,
.page-faq .data-table tbody tr:nth-child(6n+1) td { background: var(--tag-berry); }

.page-faq .data-table tbody tr:nth-child(6n+2) th,
.page-faq .data-table tbody tr:nth-child(6n+2) td { background: var(--tag-melon); }

.page-faq .data-table tbody tr:nth-child(6n+3) th,
.page-faq .data-table tbody tr:nth-child(6n+3) td { background: var(--tag-sun); }

.page-faq .data-table tbody tr:nth-child(6n+4) th,
.page-faq .data-table tbody tr:nth-child(6n+4) td { background: var(--tag-cherry); }

.page-faq .data-table tbody tr:nth-child(6n+5) th,
.page-faq .data-table tbody tr:nth-child(6n+5) td { background: var(--tag-durian); }

.page-faq .data-table tbody tr:nth-child(6n+6) th,
.page-faq .data-table tbody tr:nth-child(6n+6) td { background: #F6F1FA; }

/* ---- 联系支持 ---- */
.page-faq__support {
  background: var(--faq-support-grad);
  border-radius: 18px;
  padding: 26px 18px 28px;
  color: #fff;
}

.page-faq__support .section-title__index {
  color: #D7BDFF;
  border-color: rgba(255, 255, 255, 0.55);
}

.page-faq__support .section-title h2 {
  color: #fff;
}

.page-faq__support-desc {
  margin: -6px 0 14px;
  color: #DAC4F5;
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-faq__support-grid {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.page-faq__support-card {
  --support-accent: var(--berry);
  display: block;
  background: var(--card-bg);
  border-radius: 12px;
  border-top: 4px solid var(--support-accent, var(--berry));
  padding: 16px 16px 18px;
  box-shadow: var(--shadow-md);
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}

.page-faq__support-card--berry { --support-accent: var(--berry); }
.page-faq__support-card--melon { --support-accent: var(--melon); }
.page-faq__support-card--sun { --support-accent: var(--sun); }

.page-faq__support-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.22);
}

.page-faq__support-label {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--support-accent, var(--berry));
}

.page-faq__support-card--sun .page-faq__support-label {
  color: #C57E00;
}

.page-faq__support-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  word-break: break-word;
}

.page-faq__support-cta {
  margin-top: 22px;
  text-align: center;
}

/* ---- 桌面端 ---- */
@media (min-width: 768px) {
  .page-faq__hero {
    padding: 34px 30px 38px;
  }

  .page-faq__quick-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-faq__quick-media {
    position: sticky;
    top: 18px;
  }

  .page-faq__step {
    grid-template-columns: 48px 1fr;
    padding: 18px 18px 18px 16px;
  }

  .page-faq__faq-panel {
    padding: 20px 18px 10px;
  }
}

@media (min-width: 1024px) {
  .page-faq__faq-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 14px;
    align-items: start;
  }

  .page-faq__faq-item {
    break-inside: avoid;
  }

  .page-faq__glossary-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 18px;
    align-items: start;
    padding: 16px;
  }

  .page-faq__glossary-media {
    margin-bottom: 0;
  }

  .page-faq__supply-grid,
  .page-faq__support-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}