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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 6%, rgba(192, 138, 62, 0.26), transparent 54%),
    linear-gradient(158deg, var(--ink-green) 0%, var(--ink-green-deep) 100%);
  color: var(--paper);
  padding: calc(var(--header-h) + 48px) 0 clamp(52px, 9vw, 92px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -96px;
  bottom: -132px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(227, 184, 114, 0.26);
  transform: rotate(24deg);
  pointer-events: none;
}

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

.page-faq .faq-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(246, 242, 233, 0.6);
}

.page-faq .faq-hero .crumbs a {
  color: var(--copper-bright);
  text-decoration: none;
}

.page-faq .faq-hero .crumbs a:hover,
.page-faq .faq-hero .crumbs a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .faq-eyebrow {
  margin: 22px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--copper-bright);
  text-transform: uppercase;
}

.page-faq .faq-title {
  margin: 12px 0 0;
  font-size: clamp(29px, 6.2vw, 56px);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 16em;
}

.page-faq .faq-title .hl {
  color: var(--copper-bright);
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.95;
  color: rgba(246, 242, 233, 0.84);
}

.page-faq .faq-facts {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  border-top: 1px solid rgba(227, 184, 114, 0.24);
  border-bottom: 1px solid rgba(227, 184, 114, 0.24);
}

.page-faq .faq-facts li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 0;
}

.page-faq .faq-facts li + li {
  border-top: 1px solid rgba(227, 184, 114, 0.16);
}

.page-faq .fact-num {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--copper-bright);
}

.page-faq .fact-label {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 242, 233, 0.68);
}

/* ---------- 通用章节 ---------- */
.page-faq .section {
  padding: clamp(52px, 8.5vw, 100px) 0;
}

.page-faq .section-head {
  max-width: 44em;
}

.page-faq .section-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--copper-deep);
}

.page-faq .section-title {
  margin: 8px 0 0;
  font-size: clamp(23px, 4vw, 36px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .section-lede {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 38em;
}

.page-faq .section--deep .section-title {
  color: var(--paper);
}

.page-faq .section--deep .section-index {
  color: var(--copper-bright);
}

.page-faq .section--deep .section-lede {
  color: rgba(246, 242, 233, 0.74);
}

.page-faq .contact-tip {
  margin: 24px 0 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--ink);
  max-width: 34em;
}

.page-faq .contact-tip a,
.page-faq .card-foot a {
  color: var(--copper-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-faq .contact-tip a:hover,
.page-faq .card-foot a:hover {
  color: var(--electric);
}

/* ---------- 01 步骤 ---------- */
.page-faq .faq-figure {
  margin: 34px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1000 / 625;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

.page-faq .media-caption {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .step-track {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .step-track > li {
  position: relative;
}

.page-faq .step-track > li + li::before {
  content: "";
  position: absolute;
  left: 30px;
  top: -20px;
  width: 2px;
  height: 20px;
  background: linear-gradient(180deg, var(--clay), rgba(196, 100, 58, 0));
}

.page-faq .step-detail {
  background: var(--paper-2);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  transition: background 0.22s var(--ease);
}

.page-faq .step-detail[open] {
  background: #efe9db;
}

.page-faq .step-head {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no name"
    "no meta";
  gap: 6px 18px;
  align-items: center;
  padding: 22px 52px 16px 24px;
  list-style: none;
  cursor: pointer;
}

.page-faq .step-head::-webkit-details-marker {
  display: none;
}

.page-faq .step-head:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: -2px;
}

.page-faq .step-no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--copper-deep);
}

.page-faq .step-name {
  grid-area: name;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .step-meta {
  grid-area: meta;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .step-head::after {
  content: "";
  position: absolute;
  right: 30px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.22s var(--ease);
}

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

.page-faq .step-body {
  margin: 0;
  padding: 16px 30px 24px 24px;
  border-top: 1px solid rgba(138, 90, 34, 0.18);
  font-size: 15px;
  line-height: 1.95;
  color: #3b443e;
}

.page-faq .step-body p {
  margin: 0 0 10px;
  max-width: 36em;
}

.page-faq .step-body p:last-child {
  margin-bottom: 0;
}

.page-faq .step-body a {
  color: var(--copper-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 02 时段 ---------- */
.page-faq .tab-list {
  display: flex;
  gap: 8px;
  margin-top: 30px;
  padding-bottom: 4px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .tab {
  flex: 0 0 auto;
  padding: 11px 18px;
  border: 0;
  font: inherit;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  cursor: pointer;
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
  white-space: nowrap;
}

.page-faq .tab:hover {
  background: rgba(22, 52, 44, 0.1);
  color: var(--ink);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--ink-green);
  color: var(--copper-bright);
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 2px;
}

.page-faq .tab-panel {
  margin-top: 22px;
  padding: clamp(20px, 4vw, 32px);
  background: var(--paper);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

.page-faq .tab-panel[hidden] {
  display: none;
}

.page-faq .slot-list {
  margin: 0;
}

.page-faq .slot-row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(27, 31, 28, 0.1);
}

.page-faq .slot-row:first-child {
  padding-top: 0;
}

.page-faq .slot-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .slot-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--copper-deep);
}

.page-faq .slot-row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .mark-notes {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-faq .mark-notes li {
  padding-left: 20px;
  border-left: 2px solid var(--paper-2);
}

.page-faq .mark-notes strong {
  display: block;
  font-size: 15.5px;
  color: var(--ink);
  margin-bottom: 5px;
}

.page-faq .mark-notes p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 32em;
}

.page-faq .mark-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--clay);
  vertical-align: middle;
}

.page-faq .mark-dot--hollow {
  background: transparent;
  border: 1.5px solid var(--clay);
}

/* ---------- 03 反馈流程 ---------- */
.page-faq .flow-list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .flow-list li {
  position: relative;
  padding: 20px 22px 20px 62px;
  background: rgba(246, 242, 233, 0.05);
  border-left: 2px solid rgba(192, 138, 62, 0.5);
}

.page-faq .flow-list strong {
  display: block;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-faq .flow-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: rgba(246, 242, 233, 0.8);
  max-width: 38em;
}

.page-faq .flow-no {
  position: absolute;
  left: 20px;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--copper-bright);
}

.page-faq .feedback-stat {
  margin: 28px 0 0;
  padding: 22px 24px;
  border: 1px solid rgba(227, 184, 114, 0.35);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 22px;
}

.page-faq .feedback-stat .big {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--copper-bright);
}

.page-faq .feedback-stat .small {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(246, 242, 233, 0.72);
  max-width: 30em;
}

/* ---------- 04 波动原因 ---------- */
.page-faq .faq-why .grid-wide {
  display: grid;
  gap: clamp(30px, 5vw, 54px);
  align-items: start;
}

.page-faq .why-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-faq .why-list li {
  padding-left: 18px;
  border-left: 2px solid var(--clay);
}

.page-faq .why-list strong {
  display: block;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
  margin-bottom: 6px;
}

.page-faq .why-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 34em;
}

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

.page-faq .why-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

/* ---------- 05 常见问题折叠 ---------- */
.page-faq .fold-list {
  margin: 30px 0 0;
  border-top: 1px solid rgba(27, 31, 28, 0.14);
}

.page-faq .faq-fold {
  border-bottom: 1px solid rgba(27, 31, 28, 0.14);
}

.page-faq .faq-fold > summary {
  position: relative;
  padding: 19px 42px 19px 0;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-fold > summary:hover {
  color: var(--copper-deep);
}

.page-faq .faq-fold > summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-faq .faq-fold > summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--copper);
  border-bottom: 2px solid var(--copper);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.22s var(--ease);
}

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

.page-faq .fold-body {
  position: relative;
  padding: 2px 42px 22px 16px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--muted);
}

.page-faq .fold-body::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 24px;
  width: 2px;
  background: var(--bean);
}

.page-faq .fold-body p {
  margin: 0;
  max-width: 36em;
}

.page-faq .fold-body a {
  color: var(--copper-deep);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 06 联系 ---------- */
.page-faq .faq-contact .grid-wide {
  display: grid;
  gap: clamp(28px, 5vw, 50px);
  align-items: start;
}

.page-faq .contact-note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 32em;
}

.page-faq .contact-card {
  background: var(--ink-green);
  color: var(--paper);
  padding: clamp(22px, 4vw, 32px);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}

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

.page-faq .contact-card .contact-item {
  display: grid;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(227, 184, 114, 0.18);
}

.page-faq .contact-card .contact-item:first-child {
  padding-top: 0;
}

.page-faq .contact-card .contact-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .contact-card .contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--copper-bright);
}

.page-faq .contact-card .contact-val {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(246, 242, 233, 0.92);
  word-break: break-word;
}

.page-faq .contact-card .chip-copy {
  justify-self: start;
  padding: 6px 14px;
  border: 1px solid rgba(227, 184, 114, 0.42);
  background: transparent;
  color: var(--copper-bright);
  font: inherit;
  font-size: 12.5px;
  line-height: 1.4;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition: background 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .contact-card .chip-copy:hover {
  background: rgba(227, 184, 114, 0.16);
}

.page-faq .contact-card .chip-copy:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 2px;
}

.page-faq .card-foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(227, 184, 114, 0.18);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(246, 242, 233, 0.72);
}

.page-faq .card-foot a {
  color: var(--copper-bright);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

  .page-faq .faq-facts li {
    padding: 20px 22px 20px 0;
  }

  .page-faq .faq-facts li + li {
    border-top: 0;
    border-left: 1px solid rgba(227, 184, 114, 0.16);
    padding-left: 22px;
  }

  .page-faq .slot-row {
    grid-template-columns: 148px 1fr;
    gap: 20px;
    align-items: baseline;
  }

  .page-faq .mark-notes {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .page-faq .step-head {
    padding: 24px 62px 18px 30px;
  }

  .page-faq .step-body {
    padding: 18px 62px 26px 30px;
  }

  .page-faq .step-head::after {
    right: 40px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-why .grid-wide {
    grid-template-columns: 1.35fr 0.85fr;
  }

  .page-faq .faq-contact .grid-wide {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-faq .why-figure {
    margin-top: 46px;
  }

  .page-faq .step-track {
    gap: 24px;
  }

  .page-faq .step-track > li + li::before {
    left: 40px;
    top: -24px;
    height: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-detail,
  .page-faq .tab,
  .page-faq .step-head::after,
  .page-faq .faq-fold > summary::after,
  .page-faq .contact-card .chip-copy {
    transition: none;
  }
}