.page-faq {
  --faq-line: rgba(31, 111, 92, 0.22);
  --faq-quiet: rgba(27, 38, 34, 0.78);
  padding: clamp(16px, 3vw, 34px) var(--pad) clamp(48px, 6vw, 92px);
  color: var(--ink);
  font-family: var(--font-sans);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  letter-spacing: -0.015em;
}

.page-faq h2 {
  font-size: clamp(1.45rem, 3.2vw, 2.15rem);
  font-weight: 900;
  line-height: 1.24;
  margin: 0;
}

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

.page-faq .media-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 首屏框景 ---------- */
.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius);
  padding: clamp(20px, 3.4vw, 44px);
  padding-right: clamp(28px, 5vw, 64px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(46, 139, 116, 0.14), transparent 62%),
    linear-gradient(180deg, rgba(232, 220, 200, 0.62), rgba(247, 242, 232, 0) 68%),
    var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 12px;
  border-left: 1px solid var(--faq-line);
  background-image: repeating-linear-gradient(
    to bottom,
    var(--faq-line) 0 1px,
    transparent 1px 14px
  );
  pointer-events: none;
}

.page-faq .faq-hero h1 {
  font-size: clamp(1.9rem, 5.6vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  margin: 0.3em 0 0.55em;
  max-width: 17ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.85;
  color: var(--faq-quiet);
}

.page-faq .faq-jump {
  list-style: none;
  margin: clamp(20px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-jump a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.4;
  transition: background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--mint);
  transform: translateX(3px);
}

.page-faq .faq-jump b {
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--orange-deep);
  letter-spacing: -0.02em;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  margin-top: clamp(46px, 7vw, 92px);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 10px;
  max-width: 54ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-section__head p:last-child {
  margin: 0;
  line-height: 1.85;
  color: var(--faq-quiet);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-figure .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--faq-line);
}

/* ---------- 三步排查 ---------- */
.page-faq .steps {
  display: grid;
  gap: 0;
}

.page-faq .step {
  scroll-margin-top: calc(var(--bar-h) + 18px);
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.8vw, 32px) 0;
  border-top: 2px solid var(--green-700);
}

.page-faq .step:last-child {
  border-bottom: 2px solid var(--green-700);
}

.page-faq .step__num {
  margin: 0;
  font-size: clamp(2.8rem, 9vw, 5rem);
  font-weight: 900;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--green-700);
}

.page-faq .step__title {
  margin: 0;
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 800;
  line-height: 1.35;
}

.page-faq .step__panels {
  display: grid;
  gap: 12px;
}

.page-faq .panel {
  border-left: 3px solid var(--mint);
  padding: 2px 0 2px 14px;
}

.page-faq .panel--next {
  border-left-color: var(--orange);
}

.page-faq .panel__key {
  margin: 0 0 4px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--green-700);
}

.page-faq .panel--next .panel__key {
  color: var(--orange-deep);
}

.page-faq .panel__val {
  margin: 0;
  line-height: 1.8;
  font-size: 0.97rem;
  color: var(--faq-quiet);
}

/* ---------- 浏览器环境 ---------- */
.page-faq .browser-block {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .browser-list {
  list-style: none;
  counter-reset: bx;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .browser-list li {
  counter-increment: bx;
  position: relative;
  padding-left: 40px;
  line-height: 1.8;
}

.page-faq .browser-list li::before {
  content: counter(bx, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 0.82rem;
  font-weight: 900;
  color: var(--green-500);
  letter-spacing: 0.04em;
}

.page-faq .browser-list__k {
  display: block;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 2px;
}

.page-faq .browser-list__v {
  display: block;
  color: var(--faq-quiet);
  font-size: 0.97rem;
}

.page-faq .browser-block__link {
  margin: 0;
  padding: clamp(14px, 2vw, 20px);
  background: var(--mint);
  border-radius: var(--radius);
  line-height: 1.85;
  color: var(--ink);
  font-size: 0.96rem;
}

.page-faq .browser-block__link a {
  color: var(--green-900);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 常见问题手风琴 ---------- */
.page-faq .faq-grid {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-cat {
  border-top: 2px solid var(--green-700);
  padding-top: 14px;
}

.page-faq .faq-cat__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-faq .faq-cat__no {
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 13px 34px 13px 0;
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.22s var(--ease);
}

.page-faq .qa[open] summary {
  color: var(--green-700);
}

.page-faq .qa[open] summary::after {
  transform: translateY(-25%) rotate(-135deg);
}

.page-faq .qa__body {
  margin: 0 0 16px;
  padding-right: 26px;
  line-height: 1.85;
  font-size: 0.96rem;
  color: var(--faq-quiet);
}

/* ---------- 联系前准备 ---------- */
.page-faq .prep {
  margin-top: clamp(46px, 7vw, 88px);
  background: var(--sand);
  border-radius: var(--radius);
  padding: clamp(22px, 3.4vw, 44px);
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
}

.page-faq .prep__head h2 {
  margin: 8px 0 10px;
}

.page-faq .prep__head p:last-child {
  margin: 0;
  line-height: 1.85;
  color: rgba(27, 38, 34, 0.8);
}

.page-faq .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .prep__list li {
  background: var(--paper);
  border-radius: var(--radius);
  border-left: 3px solid var(--orange);
  padding: 12px 16px;
  display: grid;
  gap: 4px;
}

.page-faq .prep__k {
  font-weight: 800;
  font-size: 0.95rem;
}

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

/* ---------- 人工支持 ---------- */
.page-faq .reach {
  --faq-line: rgba(247, 242, 232, 0.28);
  margin-top: clamp(28px, 4vw, 48px);
  background: var(--green-900);
  color: var(--paper);
  border-radius: var(--radius);
  padding: clamp(24px, 3.6vw, 52px);
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

.page-faq .reach .section-label {
  color: var(--paper);
}

.page-faq .reach h2 {
  color: var(--paper);
  margin: 8px 0 10px;
}

.page-faq .reach__head p:last-child {
  margin: 0;
  line-height: 1.85;
  color: rgba(247, 242, 232, 0.82);
}

.page-faq .reach__head a {
  color: var(--focus);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .reach__list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-faq .reach__row {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--faq-line);
}

.page-faq .reach__row:last-child {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .reach__row dt {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--focus);
}

.page-faq .reach__row dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step__panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 800px) {
  .page-faq .step {
    grid-template-columns: minmax(106px, 150px) minmax(0, 1fr);
    column-gap: clamp(20px, 4vw, 56px);
    row-gap: 12px;
    align-items: start;
  }

  .page-faq .step__num {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-faq .step__title,
  .page-faq .step__panels {
    grid-column: 2;
  }

  .page-faq .step__title {
    grid-row: 1;
  }

  .page-faq .step__panels {
    grid-row: 2;
  }

  .page-faq .browser-block {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .faq-figure--side {
    margin-bottom: 0;
  }

  .page-faq .prep {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-faq .reach {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .qa summary,
  .page-faq .qa summary::after {
    transition: none;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible {
    transform: none;
  }
}