.page-faq {
  --faq-yellow: #F5B301;
  --faq-cyan-soft: #E0F5F7;
  --faq-beige-soft: #FFF9EF;
  --faq-magenta-deep: #B0005E;
  --faq-ink: #1A1A1A;
  --faq-cyan: #006B8A;
  --faq-purple: #8E005C;
  --faq-accent: #FFDD00;
  --faq-border: #D1C9B8;
  --faq-card-radius: 6px;
  background: var(--color-page);
}

.page-faq .container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: #6B6455;
}

.page-faq .breadcrumbs a {
  color: var(--faq-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease;
}

.page-faq .breadcrumbs a:hover {
  border-color: var(--faq-cyan);
}

.page-faq .breadcrumbs .sep {
  color: #B8AE9C;
}

.page-faq .breadcrumbs .current {
  color: var(--faq-ink);
  font-weight: 600;
}

.page-faq .page-heading {
  padding: 14px 0 28px;
  border-bottom: 2px solid var(--faq-ink);
  margin-bottom: 36px;
}

.page-faq .page-heading .section-kicker,
.page-faq .section-heading .section-kicker {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faq-cyan);
  margin-bottom: 8px;
}

.page-faq .page-heading h1 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.15;
  margin: 0 0 14px;
  color: var(--faq-ink);
  letter-spacing: -0.01em;
  max-width: 900px;
}

.page-faq .heading-desc {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.7;
  color: #3E3A32;
  max-width: 760px;
  margin: 0;
}

.page-faq .heading-desc strong {
  color: var(--faq-magenta-deep);
}

/* ===== 快速开始 ===== */
.page-faq .quick-start {
  padding: 40px 0 48px;
  position: relative;
}

.page-faq .section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: 28px;
}

.page-faq .section-heading .section-kicker {
  color: var(--faq-magenta-deep);
}

.page-faq .section-heading .section-title,
.page-faq .section-heading h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1.2;
  margin: 0;
  color: var(--faq-ink);
}

.page-faq .section-heading .section-more {
  font-family: var(--font-sans);
  font-size: 13px;
  color: #6B6455;
  border-left: 2px solid var(--faq-yellow);
  padding-left: 10px;
}

.page-faq .step-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .step-card {
  position: relative;
  background: var(--faq-beige-soft);
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-card-radius);
  padding: 24px 20px 24px 76px;
  min-height: 180px;
  display: flex;
  align-items: flex-start;
  transition: box-shadow .25s ease, transform .25s ease;
}

.page-faq .step-card:hover {
  box-shadow: 0 6px 20px rgba(26, 26, 26, .08);
  transform: translateY(-2px);
}

.page-faq .step-number {
  position: absolute;
  left: 16px;
  top: 14px;
  font-family: var(--font-serif);
  font-size: 50px;
  font-weight: bold;
  line-height: 1;
  color: var(--faq-yellow);
  -webkit-text-stroke: 1.5px var(--faq-ink);
  text-stroke: 1.5px var(--faq-ink);
}

.page-faq .step-body h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--faq-ink);
}

.page-faq .step-body p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  color: #3E3A32;
  margin: 0 0 14px;
}

.page-faq .step-body a {
  color: var(--faq-cyan);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 3px;
  border: 1.5px solid var(--faq-ink);
  background: transparent;
  color: var(--faq-ink);
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.page-faq .btn:hover {
  background: var(--faq-ink);
  color: #fff;
}

.page-faq .btn-ghost {
  border-color: var(--faq-cyan);
  color: var(--faq-cyan);
}

.page-faq .btn-ghost:hover {
  background: var(--faq-cyan);
  color: #fff;
}

.page-faq .btn-accent {
  background: var(--faq-accent);
  border-color: var(--faq-ink);
  color: var(--faq-ink);
  font-weight: 700;
}

.page-faq .btn-accent:hover {
  background: var(--faq-ink);
  color: var(--faq-accent);
}

.page-faq .tilt-strip {
  display: flex;
  height: 10px;
  width: 100%;
}

.page-faq .tilt-strip span {
  flex: 1;
  transform: skewX(-18deg);
  margin: 0 -6px;
}

.page-faq .tilt-strip span:nth-child(1) { background: var(--faq-cyan); }
.page-faq .tilt-strip span:nth-child(2) { background: var(--faq-magenta-deep); }
.page-faq .tilt-strip span:nth-child(3) { background: var(--faq-yellow); }
.page-faq .tilt-strip span:nth-child(4) { background: var(--faq-ink); }

/* ===== 投屏分区（青色） ===== */
.page-faq .cast-section {
  background: var(--faq-cyan);
  color: #fff;
  padding: 44px 0 52px;
  margin-top: 0;
}

.page-faq .cast-section .section-heading .section-kicker {
  color: var(--faq-accent);
}

.page-faq .cast-section .section-heading h2 {
  color: #fff;
}

.page-faq .cast-section .section-heading .section-more {
  color: rgba(255, 255, 255, .75);
  border-left-color: var(--faq-accent);
}

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

.page-faq .cast-illustration {
  position: relative;
}

.page-faq .cast-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--faq-card-radius);
  border: 2px solid rgba(255, 255, 255, .25);
  object-fit: cover;
}

.page-faq .wifi-note {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--faq-inks);
  background: var(--faq-ink);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 20px;
}

.page-faq .note-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2E8B57;
  box-shadow: 0 0 0 3px rgba(46, 139, 87, .3);
}

.page-faq .cast-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .cast-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .18);
}

.page-faq .cast-step:last-child {
  border-bottom: none;
}

.page-faq .cast-step-no {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: bold;
  color: var(--faq-accent);
  line-height: 1.2;
}

.page-faq .cast-step-copy h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 6px;
  color: #fff;
}

.page-faq .cast-step-copy p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
  color: rgba(255, 255, 255, .82);
}

.page-faq .cast-step-copy p strong {
  color: var(--faq-accent);
}

.page-faq .device-support-strip {
  margin-top: 30px;
  padding: 16px 18px;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: var(--faq-card-radius);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .support-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faq-accent);
  margin-right: 6px;
}

.page-faq .support-note {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(255, 255, 255, .7);
  margin-left: auto;
}

.page-faq .tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid transparent;
}

.page-faq .tag-c1 { background: rgba(46, 139, 87, .25); color: #A8F0C5; border-color: rgba(46, 139, 87, .5); }
.page-faq .tag-c2 { background: rgba(51, 102, 204, .3); color: #BFD6FF; border-color: rgba(51, 102, 204, .5); }
.page-faq .tag-c3 { background: rgba(245, 179, 1, .25); color: #FFE9A8; border-color: rgba(245, 179, 1, .5); }
.page-faq .tag-c4 { background: rgba(176, 0, 94, .3); color: #FFB3DA; border-color: rgba(176, 0, 94, .5); }

/* ===== 检索技巧（黄底分区） ===== */
.page-faq .search-tech-section {
  background: var(--faq-yellow);
  padding: 44px 0 52px;
}

.page-faq .search-tech-section .section-heading .section-kicker {
  color: var(--faq-purple);
}

.page-faq .search-tech-section .section-heading h2 {
  color: var(--faq-ink);
}

.page-faq .search-tech-section .section-heading .section-more {
  color: #5C4A10;
  border-left-color: var(--faq-purple);
}

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

.page-faq .tech-list {
  display: grid;
  gap: 16px;
}

.page-faq .tech-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  align-items: start;
  background: var(--faq-beige-soft);
  border-left: 5px solid var(--faq-cyan);
  border-radius: 0 var(--faq-card-radius) var(--faq-card-radius) 0;
  padding: 18px 16px 18px 14px;
  position: relative;
  box-shadow: 0 2px 6px rgba(26, 26, 26, .06);
}

.page-faq .tech-icon {
  color: var(--faq-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--faq-cyan-soft);
  border-radius: 50%;
  width: 48px;
  height: 48px;
}

.page-faq .tech-copy h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--faq-ink);
}

.page-faq .tech-copy p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  margin: 0;
  color: #3E3A32;
}

.page-faq .tech-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--faq-ink);
  color: var(--faq-accent);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
}

.page-faq .tech-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .tech-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--faq-card-radius);
  border: 2px solid var(--faq-ink);
  object-fit: cover;
}

.page-faq .tech-side-panel {
  background: var(--faq-ink);
  color: #fff;
  border-radius: var(--faq-card-radius);
  padding: 22px 20px;
}

.page-faq .tech-side-panel h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--faq-accent);
  margin: 0 0 10px;
  line-height: 1.3;
}

.page-faq .tech-side-panel p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, .85);
  margin: 0 0 16px;
}

/* ===== FAQ 折叠 ===== */
.page-faq .faq-section {
  background: var(--faq-beige-soft);
  padding: 44px 0 52px;
}

.page-faq .faq-section .section-heading .section-kicker {
  color: var(--faq-purple);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
  max-width: 960px;
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--faq-border);
  border-radius: var(--faq-card-radius);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-cyan);
  box-shadow: 0 4px 14px rgba(0, 107, 138, .1);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  color: var(--faq-ink);
  position: relative;
}

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

.page-faq .faq-q {
  flex: 1;
  padding-right: 8px;
}

.page-faq .faq-toggle {
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  position: relative;
  border: 1.5px solid var(--faq-cyan);
  border-radius: 50%;
  transition: transform .25s ease, background .25s ease;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--faq-cyan);
  transition: opacity .2s ease;
}

.page-faq .faq-toggle::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-toggle::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-toggle {
  transform: rotate(45deg);
  background: var(--faq-cyan);
}

.page-faq .faq-item[open] .faq-toggle::before,
.page-faq .faq-item[open] .faq-toggle::after {
  background: #fff;
}

.page-faq .faq-a {
  padding: 4px 18px 18px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: #3E3A32;
  border-top: 1px dashed var(--faq-border);
  margin-top: 0;
}

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

.page-faq .faq-a a {
  color: var(--faq-cyan);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 反馈区块 ===== */
.page-faq .feedback-section {
  background: var(--faq-ink);
  padding: 44px 0 56px;
}

.page-faq .feedback-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  background: var(--faq-purple);
  background: linear-gradient(135deg, var(--faq-magenta-deep) 0%, var(--faq-purple) 100%);
  border-radius: 8px;
  padding: 30px 24px;
  color: #fff;
}

.page-faq .feedback-info .section-kicker {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--faq-accent);
  margin-bottom: 8px;
}

.page-faq .feedback-info h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  margin: 0 0 12px;
  color: #fff;
}

.page-faq .feedback-info > p {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
  margin: 0 0 24px;
  max-width: 720px;
}

.page-faq .feedback-info > p strong {
  color: var(--faq-accent);
}

.page-faq .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .contact-cell {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 4px;
  padding: 12px 14px;
  display: grid;
  gap: 4px;
}

.page-faq .contact-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .6);
}

.page-faq .contact-value {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  word-break: break-all;
}

.page-faq .feedback-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-faq .feedback-timeline {
  background: rgba(0, 0, 0, .2);
  border-radius: 6px;
  padding: 18px 16px;
}

.page-faq .timeline-head {
  display: block;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faq-accent);
  margin-bottom: 12px;
}

.page-faq .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .timeline-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(255, 255, 255, .85);
}

.page-faq .timeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--faq-accent);
  color: var(--faq-ink);
  font-size: 12px;
  font-weight: 700;
  flex: 0 0 auto;
}

.page-faq .feedback-btn {
  width: 100%;
  text-align: center;
  justify-content: center;
  display: inline-block;
  padding: 12px 16px;
  font-size: 14px;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-faq .step-card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-faq .step-card {
    min-height: 220px;
    padding-left: 20px;
    padding-top: 64px;
    flex-direction: column;
  }

  .page-faq .step-number {
    position: static;
    font-size: 44px;
    margin-bottom: 10px;
  }

  .page-faq .cast-layout {
    grid-template-columns: 1fr 1.1fr;
    gap: 32px;
    align-items: center;
  }

  .page-faq .cast-step {
    grid-template-columns: 56px 1fr;
    padding: 14px 0;
  }

  .page-faq .tech-layout {
    grid-template-columns: 1.3fr 1fr;
    gap: 32px;
    align-items: start;
  }

  .page-faq .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .contact-address {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .feedback-card {
    grid-template-columns: 1.5fr 1fr;
    gap: 32px;
    padding: 40px 36px;
  }

  .page-faq .contact-grid {
    grid-template-columns: 1fr 1fr 1.4fr;
  }

  .page-faq .contact-address {
    grid-column: auto;
  }

  .page-faq .tech-item {
    grid-template-columns: 56px 1fr;
    gap: 16px;
    padding: 20px 18px 20px 16px;
  }

  .page-faq .tech-icon {
    width: 52px;
    height: 52px;
  }

  .page-faq .tech-copy p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }
}

[data-reveal] {
  opacity: 1;
}
</<PAGE_CSS>>

.page-faq {
  --faq-inks: transparent;
}