.page-faq {
  --faq-line: rgba(11, 31, 42, .14);
  --faq-line-strong: rgba(11, 31, 42, .3);
  background: var(--fog);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-faq [id] {
  scroll-margin-top: 88px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 44px;
  border-bottom: 1px solid var(--faq-line);
  background:
    repeating-linear-gradient(90deg, rgba(11, 31, 42, .05) 0 1px, transparent 1px 88px),
    linear-gradient(180deg, #EDF1F3 0%, var(--mist) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0 26%, var(--teal-700) 26% 58%, var(--ink) 58% 100%);
}

.page-faq .faq-crumbs {
  margin-bottom: 22px;
  font-size: 12px;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-hero-main h1 {
  margin: 10px 0 16px;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  max-width: 16ch;
}

.page-faq .faq-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: #2C3F49;
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 首屏右侧卡点卡片 */
.page-faq .faq-hero-side {
  background: var(--ink);
  color: var(--mist);
  border-top: 3px solid var(--signal);
  padding: 20px 18px 18px;
}

.page-faq .faq-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal-soft);
}

.page-faq .faq-quick__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-quick__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(245, 247, 248, .13);
  color: var(--mist);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color .18s var(--ease), transform .18s var(--ease);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  color: var(--orange-lift);
  transform: translateX(3px);
}

.page-faq .faq-quick__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-faq .faq-quick__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: rgba(245, 247, 248, .72);
}

.page-faq .faq-quick__foot a {
  color: var(--orange-lift);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 138, 60, .5);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  padding: 44px 0 52px;
  background: var(--mist);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-steps__head {
  max-width: 72ch;
  margin-bottom: 26px;
}

.page-faq .faq-steps__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -.015em;
  font-weight: 800;
}

.page-faq .faq-steps__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
  max-width: 64ch;
}

.page-faq .faq-step-row {
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 16px;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--teal-700);
}

.page-faq .faq-step:nth-of-type(1) { border-top-color: var(--signal); }
.page-faq .faq-step:nth-of-type(2) { border-top-color: var(--indigo); }
.page-faq .faq-step:nth-of-type(3) { border-top-color: var(--orange); }

.page-faq .faq-step__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #334750;
}

.page-faq .faq-step__check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--slate);
  cursor: pointer;
  position: relative;
}

.page-faq .faq-step__check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .faq-step__box {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  border: 1px solid var(--faq-line-strong);
  background: #fff;
  transition: background .16s var(--ease), border-color .16s var(--ease);
}

.page-faq .faq-step__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(42deg) scale(0);
  transform-origin: center;
  transition: transform .16s var(--ease);
}

.page-faq .faq-step__check input:checked + .faq-step__box {
  background: var(--orange);
  border-color: var(--orange);
}

.page-faq .faq-step__check input:checked + .faq-step__box::after {
  transform: rotate(42deg) scale(1);
}

.page-faq .faq-step__check input:focus-visible + .faq-step__box {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-faq .faq-step-arrow {
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--slate);
}

/* 图 */
.page-faq .faq-figure {
  margin: 26px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--faq-line-strong);
  background: var(--fog);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
}

.page-faq .faq-figure--tight {
  margin-top: 18px;
}

/* ---------- 主体：索引 + 手风琴 ---------- */
.page-faq .faq-body {
  padding: 40px 0 60px;
  display: grid;
  gap: 26px;
}

.page-faq .faq-index {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--faq-line);
  background: var(--mist);
  color: var(--teal-900);
  text-decoration: none;
  font-size: 13px;
  line-height: 1.4;
  transition: border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--orange);
  color: var(--ink);
  background: #fff;
}

.page-faq .faq-index__cta {
  margin-top: 16px;
}

/* 面板 */
.page-faq .faq-panels {
  display: grid;
  gap: 38px;
  min-width: 0;
}

.page-faq .faq-panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
}

.page-faq .faq-panel__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-faq .faq-panel__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -.012em;
}

.page-faq .faq-panel__note {
  margin: 10px 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 68ch;
}

/* 手风琴 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line);
  background: transparent;
  transition: background .18s var(--ease);
}

.page-faq .faq-q[open] {
  background: var(--mist);
}

.page-faq .faq-q__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 12px 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 700;
  color: var(--ink);
}

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

.page-faq .faq-q__summary:hover {
  color: var(--teal-700);
}

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

.page-faq .faq-q__mark {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid var(--faq-line-strong);
  background: #fff;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform .2s var(--ease), opacity .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-q__mark::before {
  left: 3px;
  right: 3px;
  top: 6px;
  height: 1px;
}

.page-faq .faq-q__mark::after {
  top: 3px;
  bottom: 3px;
  left: 6px;
  width: 1px;
}

.page-faq .faq-q[open] .faq-q__mark {
  border-color: var(--orange);
}

.page-faq .faq-q[open] .faq-q__mark::before {
  background: var(--orange);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  transform: rotate(90deg);
  opacity: 0;
}

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

.page-faq .faq-q__body {
  padding: 0 14px 18px 30px;
  font-size: 14px;
  line-height: 1.85;
  color: #334750;
}

.page-faq .faq-q__body p {
  margin: 0 0 10px;
  max-width: 68ch;
}

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

.page-faq .faq-q__body a {
  color: var(--teal-700);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 78, 95, .4);
}

.page-faq .faq-q__body a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .faq-q__steps {
  margin: 8px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.75;
  counter-reset: faqstep;
  list-style: none;
  padding-left: 0;
}

.page-faq .faq-q__steps li {
  position: relative;
  padding-left: 26px;
  counter-increment: faqstep;
}

.page-faq .faq-q__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--signal);
}

/* 联系方式卡 */
.page-faq .faq-contact-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-contact-card {
  padding: 14px 14px 13px;
  background: #fff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--signal);
}

.page-faq .faq-contact-card:nth-child(even) {
  border-left-color: var(--orange);
}

.page-faq .faq-key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--slate);
}

.page-faq .faq-val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  font-weight: 700;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-more {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-more a {
  color: var(--teal-700);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 78, 95, .4);
}

.page-faq .faq-more a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero { padding: 30px 0 56px; }
  .page-faq .faq-contact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-faq .faq-figure { margin-top: 30px; }
}

@media (min-width: 900px) {
  .page-faq .faq-step-row {
    grid-template-columns: minmax(0, 1fr) 40px minmax(0, 1fr) 40px minmax(0, 1fr);
    align-items: stretch;
    gap: 10px;
  }

  .page-faq .faq-step-arrow { display: flex; }

  .page-faq .faq-steps { padding: 56px 0 64px; }

  .page-faq .faq-body { padding: 52px 0 76px; }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-hero-side { padding: 24px 22px 20px; }

  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 84px;
  }

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

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 9px 8px 9px 10px;
    border: 0;
    border-left: 2px solid var(--faq-line);
    background: transparent;
    font-size: 13.5px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--orange);
    background: var(--mist);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__link,
  .page-faq .faq-index__link,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .faq-step__box,
  .page-faq .faq-step__box::after {
    transition: none;
  }

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