.page-faq {
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-faq .guide-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3.5vw, 34px) 0 clamp(46px, 7vw, 86px);
}

.page-faq .guide-hero::after {
  content: "";
  position: absolute;
  right: -16vw;
  top: -20vw;
  width: 56vw;
  height: 56vw;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 38%, rgba(169, 187, 174, 0.5), rgba(169, 187, 174, 0) 68%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .guide-hero .container {
  position: relative;
  z-index: 1;
}

.page-faq .hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 5vw, 54px);
  align-items: center;
  margin-top: clamp(20px, 4vw, 40px);
}

.page-faq .hero-copy h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-size: clamp(30px, 6.4vw, 52px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--ink-deep);
}

.page-faq .lede {
  margin: 20px 0 0;
  max-width: 32em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .hero-jumps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-faq .hero-jumps a {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--celadon-1);
  color: var(--celadon-3);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.16s ease, color 0.16s ease;
}

.page-faq .hero-jumps a:hover,
.page-faq .hero-jumps a:focus-visible {
  background: var(--orange-soft);
  color: var(--orange-dark);
}

.page-faq .hero-visual {
  display: flex;
  justify-content: center;
  padding: 6px 0;
}

.page-faq .path-svg {
  display: block;
  width: min(76vw, 320px);
  height: auto;
  color: var(--celadon-3);
}

.page-faq .path-line {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-dasharray: 5 9;
  opacity: 0.5;
}

.page-faq .path-node circle {
  fill: var(--paper);
  stroke: var(--celadon-3);
  stroke-width: 3;
}

.page-faq .path-node:nth-of-type(2) circle {
  stroke: var(--canal);
}

.page-faq .path-node:nth-of-type(3) circle {
  fill: var(--orange-soft);
  stroke: var(--orange);
}

.page-faq .path-svg text {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  fill: var(--ink-deep);
}

/* ---------- 通用区块 ---------- */
.page-faq .section {
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-faq .section--tint {
  background: linear-gradient(180deg, var(--celadon-1) 0%, rgba(221, 228, 220, 0.3) 100%);
  border-top: 1px solid rgba(94, 117, 104, 0.14);
  border-bottom: 1px solid rgba(94, 117, 104, 0.14);
}

.page-faq .chapter {
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-faq .chapter-num {
  display: block;
  font-size: clamp(34px, 7vw, 52px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--celadon-2);
}

.page-faq .chapter h2 {
  margin: 8px 0 0;
  font-size: clamp(24px, 4.4vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-faq .chapter-lede {
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--celadon-3);
}

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

.page-faq .step-figure {
  max-width: 700px;
  margin: 0 0 clamp(28px, 4vw, 44px);
}

/* ---------- 三步上手 ---------- */
.page-faq .steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .steps::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 16px;
  bottom: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--celadon-2) 0%, var(--canal-light) 62%, rgba(191, 211, 222, 0) 100%);
}

.page-faq .step {
  position: relative;
  padding-left: 48px;
  padding-bottom: clamp(28px, 4vw, 46px);
}

.page-faq .step:last-child {
  padding-bottom: 0;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 20px;
  height: 20px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--celadon-3);
}

.page-faq .step:nth-child(2)::before {
  border-color: var(--canal);
}

.page-faq .step:nth-child(3)::before {
  background: var(--orange-soft);
  border-color: var(--orange);
}

.page-faq .step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-faq .step-num {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--celadon-3);
}

.page-faq .step:nth-child(3) .step-num {
  color: var(--orange);
}

.page-faq .step-head h3 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 23px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-deep);
}

.page-faq .step p {
  margin: 12px 0 0;
  max-width: 40em;
  line-height: 1.85;
}

.page-faq .step-why {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--canal-light);
  font-size: 15px;
  line-height: 1.8;
  color: var(--celadon-3);
}

/* ---------- 按目的挑栏目 ---------- */
.page-faq .pick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 24px);
}

.page-faq .pick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow: hidden;
  padding: clamp(20px, 3vw, 28px);
  padding-top: calc(clamp(20px, 3vw, 28px) + 6px);
  border: 1px solid rgba(94, 117, 104, 0.18);
  border-radius: var(--radius-l);
  background: var(--paper);
  transition: border-color 0.16s ease;
}

.page-faq .pick-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--celadon-2);
}

.page-faq .pick-card:nth-child(2)::before {
  background: var(--canal);
}

.page-faq .pick-card:nth-child(3)::before {
  background: var(--orange);
}

.page-faq .pick-card:hover {
  border-color: var(--orange);
}

.page-faq .pick-when {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--canal);
}

.page-faq .pick-card:nth-child(2) .pick-when {
  color: var(--celadon-3);
}

.page-faq .pick-card:nth-child(3) .pick-when {
  color: var(--orange-dark);
}

.page-faq .pick-body {
  flex: 1;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .pick-card .btn {
  align-self: flex-start;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  max-width: 800px;
}

.page-faq .qa {
  border-top: 1px solid rgba(94, 117, 104, 0.24);
  padding: 20px 0;
  transition: background 0.18s ease;
}

.page-faq .qa:last-child {
  border-bottom: 1px solid rgba(94, 117, 104, 0.24);
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(228, 112, 58, 0.07), rgba(228, 112, 58, 0) 68%);
}

.page-faq .qa > summary {
  display: flex;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  font-size: clamp(17px, 2.2vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink-deep);
}

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

.page-faq .qa > summary::before {
  content: "";
  flex: none;
  display: inline-block;
  width: 3px;
  height: 1.05em;
  margin-right: 14px;
  vertical-align: -0.14em;
  background: var(--celadon-2);
  transition: background 0.18s ease;
}

.page-faq .qa[open] > summary::before {
  background: var(--orange);
}

.page-faq .qa > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  padding-left: 16px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
  color: var(--celadon-3);
}

.page-faq .qa[open] > summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .qa p {
  margin: 12px 0 0 17px;
  max-width: 38em;
  line-height: 1.85;
}

/* ---------- 旧版栏目资料协助 ---------- */
.page-faq .legacy-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .legacy-steps {
  counter-reset: leg;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .legacy-steps li {
  counter-increment: leg;
  position: relative;
  padding-left: 44px;
  padding-bottom: 20px;
  line-height: 1.85;
}

.page-faq .legacy-steps li:last-child {
  padding-bottom: 0;
}

.page-faq .legacy-steps li::before {
  content: counter(leg, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  color: var(--canal);
}

.page-faq .legacy-mail {
  margin: 26px 0 0;
  padding: 16px 20px;
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-m);
  background: var(--paper);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq .legacy-mail strong {
  font-weight: 700;
  color: var(--canal);
  word-break: break-all;
}

.page-faq .legacy-figure {
  margin: 0;
}

/* ---------- 更新与归档 ---------- */
.page-faq .cadence-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 22px);
}

.page-faq .cadence-item {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(94, 117, 104, 0.16);
  border-radius: var(--radius-m);
  background: var(--celadon-1);
}

.page-faq .cadence-item:nth-child(2) {
  background: var(--canal-light);
  border-color: rgba(47, 93, 120, 0.2);
}

.page-faq .cadence-item:nth-child(3) {
  background: var(--orange-soft);
  border-color: rgba(228, 112, 58, 0.26);
}

.page-faq .cadence-num {
  margin: 0;
  font-size: clamp(26px, 5vw, 36px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
  color: var(--ink-deep);
}

.page-faq .cadence-text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .cadence-note {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 760px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: 18px 22px;
  border-radius: var(--radius-m);
  background: var(--paper-deep);
}

.page-faq .cadence-note p {
  margin: 0;
  line-height: 1.8;
}

.page-faq .pulse-dot {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--orange);
  animation: faqPulse 2.4s ease-out infinite;
}

@keyframes faqPulse {
  0% { box-shadow: 0 0 0 0 rgba(228, 112, 58, 0.45); }
  70% { box-shadow: 0 0 0 12px rgba(228, 112, 58, 0); }
  100% { box-shadow: 0 0 0 0 rgba(228, 112, 58, 0); }
}

/* ---------- 联系渠道 ---------- */
.page-faq .reach-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.6vw, 24px);
}

.page-faq .reach-card {
  padding: clamp(22px, 3.4vw, 32px);
  border: 1px solid rgba(94, 117, 104, 0.18);
  border-radius: var(--radius-l);
  background: var(--paper);
  transition: border-color 0.16s ease;
}

.page-faq .reach-card:hover {
  border-color: var(--orange);
}

.page-faq .reach-label {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--celadon-3);
}

.page-faq .reach-value {
  margin: 12px 0 0;
  font-size: clamp(19px, 3.4vw, 24px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--canal);
  word-break: break-all;
}

.page-faq .reach-for {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .reach-more {
  margin: clamp(26px, 4vw, 36px) 0 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-faq .cadence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .pick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .hero-split {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
  }

  .page-faq .hero-visual {
    justify-content: flex-end;
  }

  .page-faq .legacy-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

  .page-faq .steps::before {
    left: 15px;
  }

  .page-faq .step {
    padding-left: 56px;
  }

  .page-faq .step::before {
    left: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pulse-dot {
    animation: none;
  }

  .page-faq .hero-jumps a,
  .page-faq .pick-card,
  .page-faq .qa,
  .page-faq .reach-card {
    transition: none;
  }
}