.page-faq {
  --faq-gap: clamp(16px, 3vw, 32px);
  --faq-pad: clamp(40px, 7vw, 92px);
  --faq-line: 3px;
  --faq-ink-soft: rgba(11, 18, 16, .12);
  background: var(--white);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  margin: 0;
  font-weight: 800;
}

.page-faq p {
  margin: 0;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--turf);
  color: var(--white);
  padding: clamp(18px, 3.4vw, 30px) 0 clamp(46px, 7vw, 86px);
  border-bottom: 7px solid var(--yellow);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -10%;
  top: -32%;
  width: min(56vw, 520px);
  height: min(56vw, 520px);
  border: 16px solid rgba(127, 183, 154, .16);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -70px;
  height: 140px;
  background: var(--ink);
  transform: skewY(-3deg);
  opacity: .55;
  z-index: 0;
  pointer-events: none;
}

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

.page-faq .faq-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--line);
}

.page-faq .faq-crumbs a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: 1px;
}

.page-faq .faq-eyebrow {
  margin-top: clamp(20px, 4vw, 38px);
  color: var(--yellow);
}

.page-faq .faq-title {
  font-size: clamp(36px, 7.2vw, 88px);
  line-height: 1.02;
  margin-top: 10px;
  color: var(--white);
}

.page-faq .faq-lead {
  max-width: 34em;
  margin-top: clamp(16px, 2.4vw, 24px);
  font-size: clamp(15.5px, 1.85vw, 18px);
  line-height: 1.85;
  color: rgba(244, 247, 244, .88);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-chip {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .05em;
  padding: 7px 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--white);
  background: rgba(11, 18, 16, .28);
}

/* ---------- 通用章节头 ---------- */
.page-faq .faq-sec-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3.5vw, 42px);
}

.page-faq .faq-sec-title {
  font-size: clamp(25px, 3.5vw, 42px);
  line-height: 1.08;
}

.page-faq .faq-sec-desc {
  margin-top: 12px;
  font-size: clamp(14.5px, 1.6vw, 17px);
  line-height: 1.82;
  color: var(--stone);
}

/* ---------- 两步路径 ---------- */
.page-faq .faq-paths {
  background: var(--paper);
  padding: var(--faq-pad) 0;
  position: relative;
}

.page-faq .faq-path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--white);
  border: var(--faq-line) solid var(--ink);
  box-shadow: var(--shadow-soft);
  padding: 20px 18px 16px;
}

.page-faq .faq-path::before {
  content: "";
  position: absolute;
  left: calc(var(--faq-line) * -1);
  top: calc(var(--faq-line) * -1);
  width: 74px;
  height: 9px;
  background: var(--red);
}

.page-faq .faq-path:nth-child(2)::before { background: var(--yellow); }
.page-faq .faq-path:nth-child(3)::before { background: var(--moss); }
.page-faq .faq-path:nth-child(4)::before { background: var(--clay); }

.page-faq .faq-path-tab {
  align-self: flex-start;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .07em;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-path h3 {
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.2;
}

.page-faq .faq-path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  counter-reset: faqstep;
}

.page-faq .faq-path-list li {
  position: relative;
  padding-left: 28px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-path-list li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  color: var(--turf);
}

.page-faq .faq-path-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 2px solid var(--faq-ink-soft);
}

.page-faq .faq-path-link {
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--turf);
  text-decoration: none;
  border-bottom: 3px solid var(--yellow);
  padding-bottom: 2px;
}

.page-faq .faq-path-link:hover,
.page-faq .faq-path-link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

.page-faq .faq-copy {
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 10px 18px;
  border: var(--faq-line) solid var(--white);
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
}

.page-faq .faq-copy--sm {
  font-size: 11.5px;
  padding: 6px 14px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
}

.page-faq .faq-copy[data-copied] {
  background: var(--moss);
  color: var(--white);
  border-color: var(--moss);
}

/* ---------- 图片 ---------- */
.page-faq .faq-shot {
  margin: clamp(24px, 4vw, 46px) 0 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  aspect-ratio: 7 / 4;
  height: auto;
  object-fit: cover;
  border: var(--faq-line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  filter: saturate(.82) contrast(1.05);
}

.page-faq .faq-shot--side img {
  aspect-ratio: 4 / 5;
}

.page-faq .faq-shot-cap {
  margin-top: 10px;
  font-family: var(--font-data);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--stone);
}

/* ---------- 四步卡 ---------- */
.page-faq .faq-rounds {
  padding: var(--faq-pad) 0;
  background: var(--white);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .faq-step {
  position: relative;
  border: var(--faq-line) solid var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  padding: 20px 18px 20px;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 28px;
  bottom: calc(var(--faq-gap) * -1);
  width: 3px;
  height: var(--faq-gap);
  background: var(--line);
}

.page-faq .faq-step:last-child::after {
  display: none;
}

.page-faq .faq-step-no {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(34px, 5.4vw, 56px);
  line-height: .92;
  font-weight: 700;
  color: var(--line);
}

.page-faq .faq-step h3 {
  margin-top: 10px;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.28;
}

.page-faq .faq-step p {
  margin-top: 10px;
  font-size: 14.8px;
  line-height: 1.82;
  color: var(--ink);
}

.page-faq .faq-step-note {
  margin-top: 12px !important;
  padding-left: 12px;
  border-left: 3px solid var(--moss);
  color: var(--stone) !important;
  font-size: 13.5px !important;
}

/* ---------- 榜单与收藏 ---------- */
.page-faq .faq-boards {
  position: relative;
  overflow: hidden;
  padding: var(--faq-pad) 0;
  background:
    repeating-linear-gradient(90deg, rgba(244, 247, 244, .045) 0 1px, transparent 1px 96px),
    var(--ink);
  color: var(--white);
}

.page-faq .faq-boards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-boards .faq-sec-title {
  color: var(--white);
}

.page-faq .faq-boards .faq-sec-desc {
  color: rgba(244, 247, 244, .74);
}

.page-faq .faq-board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-board-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 2px solid rgba(244, 247, 244, .14);
}

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

.page-faq .faq-board-num {
  font-family: var(--font-data);
  font-size: 15px;
  font-weight: 700;
  color: var(--yellow);
  padding-top: 3px;
}

.page-faq .faq-board-step h3 {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--white);
}

.page-faq .faq-board-step p {
  margin-top: 8px;
  font-size: 14.8px;
  line-height: 1.8;
  color: rgba(244, 247, 244, .78);
}

.page-faq .faq-slot {
  position: relative;
  background: var(--yellow);
  color: var(--ink);
  border: var(--faq-line) solid var(--white);
  box-shadow: 10px 10px 0 var(--red);
  padding: 22px 20px 24px;
}

.page-faq .faq-slot-label {
  display: block;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink);
}

.page-faq .faq-slot-num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(56px, 9vw, 88px);
  line-height: .95;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-faq .faq-slot p {
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

/* ---------- 变更追溯 ---------- */
.page-faq .faq-changes {
  padding: var(--faq-pad) 0;
  background: var(--paper);
}

.page-faq .faq-stamp {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-data);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: .06em;
  background: var(--red);
  color: var(--white);
  padding: 8px 18px 8px 8px;
  border-radius: var(--radius-pill);
}

.page-faq .faq-stamp-tag {
  font-size: 11px;
  letter-spacing: .1em;
  background: var(--ink);
  color: var(--yellow);
  padding: 5px 11px;
  border-radius: var(--radius-pill);
}

.page-faq .faq-stamp-note {
  max-width: 40em;
  margin-top: 12px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-diff {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  background: var(--ink);
  border: var(--faq-line) solid var(--ink);
  box-shadow: var(--shadow-hard);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .faq-diff-col {
  background: var(--white);
  padding: 18px 16px 20px;
}

.page-faq .faq-diff-label {
  display: block;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--turf);
  margin-bottom: 10px;
}

.page-faq .faq-diff-col:last-child .faq-diff-label {
  color: var(--red);
}

.page-faq .faq-diff-col p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink);
}

.page-faq .faq-change-steps {
  list-style: none;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: faqchg;
}

.page-faq .faq-change-steps li {
  position: relative;
  padding-left: 40px;
  counter-increment: faqchg;
}

.page-faq .faq-change-steps li::before {
  content: counter(faqchg, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--clay);
}

.page-faq .faq-change-steps h3 {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.28;
}

.page-faq .faq-change-steps p {
  margin-top: 7px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-more {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 问答 ---------- */
.page-faq .faq-help {
  padding: var(--faq-pad) 0;
  background: var(--white);
}

.page-faq .faq-help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 4px 0 clamp(16px, 2.6vw, 24px);
}

.page-faq .faq-filters .filter-btn {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 9px 16px;
  border: 2px solid var(--ink);
  border-radius: var(--radius-pill);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
}

.page-faq .faq-filters .filter-btn[aria-pressed="true"] {
  background: var(--turf);
  border-color: var(--turf);
  color: var(--white);
}

.page-faq .faq-qa-list {
  border-top: 2px solid var(--ink);
}

.page-faq .faq-qa {
  border-bottom: 2px solid var(--faq-ink-soft);
  border-left: 4px solid transparent;
  background: transparent;
  transition: border-color .16s ease, background-color .16s ease;
}

.page-faq .faq-qa[open] {
  border-left-color: var(--moss);
  background: var(--paper);
}

.page-faq .faq-qa-sum {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 4px 18px 12px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa-q {
  font-family: var(--font-display);
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .faq-qa-icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.page-faq .faq-qa-icon::before,
.page-faq .faq-qa-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.page-faq .faq-qa-icon::before {
  left: 50%;
  top: 4px;
  width: 2px;
  height: 8px;
  transform: translateX(-50%);
}

.page-faq .faq-qa-icon::after {
  top: 50%;
  left: 4px;
  height: 2px;
  width: 8px;
  transform: translateY(-50%);
}

.page-faq .faq-qa[open] .faq-qa-icon {
  background: var(--moss);
  border-color: var(--moss);
}

.page-faq .faq-qa[open] .faq-qa-icon::before {
  opacity: 0;
}

.page-faq .faq-qa[open] .faq-qa-icon::after {
  background: var(--white);
}

.page-faq .faq-qa-body {
  padding: 0 20px 20px 16px;
}

.page-faq .faq-qa-body p {
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .filter-empty {
  margin-top: 20px;
  padding: 16px 18px;
  border-left: 4px solid var(--yellow);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  background: var(--turf);
  color: var(--white);
  border-top: 8px solid var(--yellow);
  padding: clamp(36px, 6vw, 76px) 0;
}

.page-faq .faq-contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 34px);
  align-items: start;
}

.page-faq .faq-contact-title {
  font-size: clamp(24px, 3.3vw, 38px);
  color: var(--white);
}

.page-faq .faq-contact-note {
  max-width: 34em;
  margin-top: 14px;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  line-height: 1.85;
  color: rgba(244, 247, 244, .86);
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-faq .faq-contact-actions .faq-copy {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--yellow);
}

.page-faq .faq-contact-actions .faq-copy[data-copied] {
  background: var(--white);
  color: var(--turf);
  border-color: var(--white);
}

.page-faq .faq-contact-btn {
  border-radius: var(--radius-pill);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-faq .faq-contact-inner {
    grid-template-columns: 1.35fr .65fr;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-step:nth-child(even) {
    margin-top: clamp(26px, 4.4vw, 58px);
  }

  .page-faq .faq-step::after {
    display: none;
  }

  .page-faq .faq-boards-grid {
    grid-template-columns: 1.4fr .6fr;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: 1.45fr .55fr;
  }

  .page-faq .faq-slot {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-qa {
    transition: none;
  }
}