.page-faq {
  --faq-line: 2px solid var(--edge);
  --faq-pad: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-crumbs {
  padding-top: clamp(16px, 3vw, 26px);
  padding-bottom: 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 46px) 0 clamp(34px, 5vw, 62px);
  border-bottom: var(--faq-line);
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 86% 10%, rgba(46, 242, 192, 0.16), transparent 44%),
    radial-gradient(circle at 4% 94%, rgba(255, 162, 58, 0.12), transparent 40%),
    repeating-linear-gradient(90deg, rgba(47, 93, 78, 0.22) 0 1px, transparent 1px 76px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-hero__lead {
  max-width: 68ch;
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(32px, 6.2vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: 64ch;
  color: var(--text);
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  margin-top: 22px;
}

.page-faq .faq-quick {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quick__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "num title arrow"
    "num desc arrow";
  align-items: center;
  column-gap: 14px;
  row-gap: 3px;
  padding: 15px 17px;
  border: var(--faq-line);
  background: var(--panel);
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--ink-deep);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-quick__link::after {
  content: "↗";
  grid-area: arrow;
  align-self: center;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-quick__num {
  grid-area: num;
  align-self: center;
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}

.page-faq .faq-quick__title {
  grid-area: title;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.35;
}

.page-faq .faq-quick__desc {
  grid-area: desc;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--moss);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  transform: translate(-3px, -3px);
  border-color: var(--cyan);
  box-shadow: 9px 9px 0 var(--ink-deep);
}

.page-faq .faq-quick__link:hover::after,
.page-faq .faq-quick__link:focus-visible::after {
  color: var(--cyan);
  transform: translate(2px, -2px);
}

/* ---------- 排查顺序（纸色块） ---------- */
.page-faq .faq-map {
  padding: clamp(30px, 5vw, 62px) 0;
  background: var(--paper);
  color: var(--panel-soft);
  border-bottom: var(--faq-line);
}

.page-faq .faq-map__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-faq .faq-map .eyebrow {
  color: #4A6B5C;
}

.page-faq .faq-map h2 {
  margin: 8px 0 14px;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--panel-soft);
}

.page-faq .faq-map p {
  max-width: 48ch;
  line-height: 1.85;
  color: #2B4038;
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: var(--faq-line);
  background: var(--panel);
  box-shadow: 6px 6px 0 var(--ink-deep);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--edge);
  background: var(--panel-soft);
  font-size: 12px;
  line-height: 1.6;
  color: var(--moss);
}

.page-faq .faq-access__figure {
  margin: 0 0 22px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding: clamp(34px, 6vw, 76px) 0;
}

.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-toc {
  padding-top: 14px;
  border-top: 2px solid var(--edge);
  min-width: 0;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 2px solid var(--edge);
  background: var(--panel);
  color: var(--paper);
  font-size: 13.5px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-toc__link .mono {
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-toc__note {
  display: none;
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--moss);
}

.page-faq .faq-sections {
  min-width: 0;
}

/* ---------- 分组 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 96px;
  padding-bottom: clamp(30px, 4.5vw, 52px);
  margin-bottom: clamp(30px, 4.5vw, 52px);
  border-bottom: 1px dashed var(--edge);
}

.page-faq .faq-section:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-section__head {
  margin-bottom: 18px;
}

.page-faq .faq-section__head h2 {
  margin: 12px 0 10px;
  font-size: clamp(23px, 3.4vw, 35px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-section__head p {
  max-width: 62ch;
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  margin-bottom: 12px;
  border: var(--faq-line);
  background: var(--panel);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa:last-child {
  margin-bottom: 0;
}

.page-faq .qa[open] {
  border-color: var(--cyan);
  background: var(--panel-soft);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 15px var(--faq-pad);
  list-style: none;
  cursor: pointer;
}

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

.page-faq .qa > summary::marker {
  content: "";
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: -4px;
}

.page-faq .qa__num {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .qa__title {
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
  overflow-wrap: anywhere;
  transition: color 0.18s var(--ease);
}

.page-faq .qa > summary:hover .qa__title {
  color: var(--glow);
}

.page-faq .qa__sign {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--amber);
  transform: translate(-50%, -50%);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .qa__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .qa[open] .qa__sign::before,
.page-faq .qa[open] .qa__sign::after {
  background: var(--cyan);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .qa__body {
  padding: 16px var(--faq-pad) 20px;
  border-top: 1px solid var(--edge);
  color: var(--text);
  font-size: 15px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.page-faq .qa__body p {
  margin: 0 0 12px;
  max-width: 66ch;
}

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

.page-faq .qa__steps {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-faq .qa__steps li > .mono {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid var(--edge);
  color: var(--cyan);
  font-size: 12px;
  line-height: 1;
}

.page-faq .qa__cause,
.page-faq .qa__next {
  padding-left: 12px;
  border-left: 2px solid var(--edge);
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-faq .qa__cause strong {
  color: var(--amber);
  font-weight: 600;
}

.page-faq .qa__next {
  border-left-color: var(--cyan);
}

/* ---------- 联系前准备（浅色块） ---------- */
.page-faq .faq-prepare {
  padding: clamp(34px, 6vw, 70px) 0;
  background: var(--cream);
  color: var(--panel-soft);
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
}

.page-faq .faq-prepare__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-prepare .eyebrow {
  color: #4A6B5C;
}

.page-faq .faq-prepare h2 {
  margin: 8px 0 14px;
  font-size: clamp(25px, 3.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--panel-soft);
}

.page-faq .faq-prepare__lead p {
  max-width: 44ch;
  line-height: 1.85;
  color: #2B4038;
}

.page-faq .faq-prepare__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-prepare__actions .btn--ghost {
  border-color: #2B4038;
  color: var(--panel-soft);
}

.page-faq .faq-prepare__actions .btn--ghost:hover,
.page-faq .faq-prepare__actions .btn--ghost:focus-visible {
  border-color: var(--panel-soft);
  color: var(--panel-soft);
}

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

.page-faq .faq-prepare__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 2px solid rgba(16, 35, 29, 0.18);
}

.page-faq .faq-prepare__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-prepare__list .mono {
  padding-top: 2px;
  font-size: 12.5px;
  color: #1E7A5C;
}

.page-faq .faq-prepare__list h3 {
  margin: 0 0 4px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--panel-soft);
}

.page-faq .faq-prepare__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: #33473F;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-faq .faq-contact__inner {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-faq .faq-contact h2 {
  margin: 8px 0 12px;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-contact__lead p {
  max-width: 48ch;
  line-height: 1.8;
}

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

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--edge);
  font-size: 15px;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__list .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-faq .copy-status {
  min-height: 20px;
  margin: 12px 0 0;
  font-size: 12.5px;
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-map__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-prepare__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-contact__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-quick__link {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "num arrow"
      "title arrow"
      "desc arrow";
    row-gap: 8px;
    padding: 18px;
  }

  .page-faq .faq-quick__num {
    align-self: start;
  }

  .page-faq .faq-quick__link::after {
    align-self: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-toc__link {
    display: flex;
    padding: 12px 0;
    border: 0;
    border-bottom: 1px solid var(--edge);
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-toc__note {
    display: block;
  }
}