.page-faq {
  --faq-title-size: clamp(2rem, 5vw, 3.6rem);
  color: var(--ink);
  background: var(--snow);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ===== 首屏：杂志封面式 hero ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--blue);
  color: #ffffff;
  padding: var(--space-4) var(--space-2) calc(var(--space-6) + 32px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 0 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 33%;
  height: 6px;
  background: var(--red);
  z-index: 3;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-4);
}

.page-faq .faq-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-3);
}

.page-faq .faq-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}

.page-faq .faq-breadcrumb a:hover {
  color: var(--gold);
}

.page-faq .faq-breadcrumb .sep {
  opacity: 0.5;
}

.page-faq .faq-breadcrumb [aria-current="page"] {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  font-size: var(--faq-title-size);
  font-weight: 200;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin: 0 0 var(--space-3);
  color: #ffffff;
}

.page-faq .faq-hero-lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  max-width: 540px;
  margin-bottom: var(--space-4);
}

.page-faq .faq-hot-caption {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-2);
}

.page-faq .faq-hot-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-faq .faq-hot-link {
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 12px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .faq-hot-link:hover,
.page-faq .faq-hot-link:focus-visible {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(255, 255, 255, 0.08);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 6px solid rgba(255, 255, 255, 0.2);
  box-shadow: 12px 12px 0 rgba(0, 0, 0, 0.12);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
}

/* ===== 问答板块网格 ===== */
.page-faq .faq-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-2) var(--space-6);
  display: grid;
  gap: var(--space-4);
}

.page-faq .faq-section {
  background: #ffffff;
  border: 1px solid var(--offwhite);
  border-top: 4px solid var(--blue);
  padding: var(--space-4) var(--space-3);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.04);
}

.page-faq .faq-section--basics {
  border-top-color: var(--blue);
}

.page-faq .faq-section--coverage {
  border-top-color: var(--gold);
}

.page-faq .faq-section--features {
  border-top-color: var(--red);
}

.page-faq .faq-section--compat {
  border-top-color: var(--green);
}

.page-faq .faq-section-head {
  margin-bottom: var(--space-3);
}

.page-faq .faq-section-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 2px 8px;
  margin-bottom: var(--space-2);
}

.page-faq .faq-section .kicker {
  display: block;
  margin-bottom: var(--space-1);
}

.page-faq .faq-section h2 {
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 var(--space-1);
}

.page-faq .faq-section-lead {
  font-size: 0.875rem;
  color: var(--gray);
  margin: 0;
}

/* ===== 数据覆盖统计条 ===== */
.page-faq .faq-stat-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--offwhite);
  border: 1px solid var(--offwhite);
  margin-bottom: var(--space-3);
}

.page-faq .faq-stat-cell {
  background: var(--snow);
  padding: var(--space-2) var(--space-1);
  text-align: center;
}

.page-faq .faq-stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 200;
  line-height: 1.2;
  color: var(--blue);
}

.page-faq .faq-stat-label {
  display: block;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 4px;
}

/* ===== 功能标记徽章 ===== */
.page-faq .faq-feature-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

/* ===== 手风琴 ===== */
.page-faq .faq-accordion {
  display: grid;
  gap: var(--space-2);
}

.page-faq .faq-item {
  border: 1px solid var(--offwhite);
  border-left: 3px solid var(--blue);
  background: var(--snow);
  transition: box-shadow 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.04);
}

.page-faq .faq-section--basics .faq-item {
  border-left-color: var(--blue);
}

.page-faq .faq-section--coverage .faq-item {
  border-left-color: var(--gold-deep);
}

.page-faq .faq-section--features .faq-item {
  border-left-color: var(--red);
}

.page-faq .faq-section--compat .faq-item {
  border-left-color: var(--green);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: -2px;
}

.page-faq .faq-q-icon {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid var(--offwhite);
  color: var(--blue);
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-q-icon svg {
  width: 17px;
  height: 17px;
  display: block;
}

.page-faq .faq-section--basics .faq-q-icon {
  color: var(--blue);
}

.page-faq .faq-section--coverage .faq-q-icon {
  color: var(--gold-deep);
}

.page-faq .faq-section--features .faq-q-icon {
  color: var(--red);
}

.page-faq .faq-section--compat .faq-q-icon {
  color: var(--green);
}

.page-faq .faq-item summary:hover .faq-q-icon {
  transform: translateY(-2px);
}

.page-faq .faq-q-text {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 14px;
  margin-left: auto;
}

.page-faq .faq-toggle::before,
.page-faq .faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--red);
  transition: transform 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-toggle::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-faq .faq-toggle::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-toggle::after {
  transform: scaleY(0);
}

.page-faq .faq-item[open] .faq-toggle::before {
  background: var(--blue);
}

.page-faq .faq-answer {
  margin: 0;
  padding: var(--space-2) var(--space-3) var(--space-3);
  border-top: 1px dashed var(--offwhite);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-answer a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

/* ===== 移动端示意图 ===== */
.page-faq .faq-mobile-figure {
  margin: var(--space-3) 0 0;
  border-top: 1px solid var(--offwhite);
  padding-top: var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.page-faq .faq-mobile-figure img {
  width: 100%;
  max-width: 220px;
  border: 4px solid #ffffff;
  box-shadow: 8px 8px 0 var(--offwhite);
}

.page-faq .faq-mobile-figure figcaption {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

/* ===== 未找到答案 CTA ===== */
.page-faq .faq-cta {
  background: var(--offwhite);
  border-top: 3px solid var(--gold);
  padding: var(--space-5) var(--space-2);
}

.page-faq .faq-cta-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-start;
}

.page-faq .faq-cta h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin: 0 0 4px;
}

.page-faq .faq-cta p {
  margin: 0;
  color: var(--gray);
  font-size: 0.875rem;
}

/* ===== 桌面端适配 ===== */
@media (min-width: 720px) {
  .page-faq .faq-cta-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-answer {
    margin-left: calc(34px + var(--space-2));
    padding-left: 0;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero {
    padding: var(--space-7) var(--space-4) var(--space-7);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), 0 100%);
  }

  .page-faq .faq-hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--space-6);
  }

  .page-faq .faq-hero-figure {
    border-width: 10px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5) var(--space-4);
    padding: var(--space-6) var(--space-4) var(--space-7);
  }
}