.page-faq {
  --faq-hair: rgba(27, 25, 23, .16);
  --faq-gold-hair: rgba(200, 150, 62, .45);
  --faq-body: #46403a;
}

.page-faq section[id] {
  scroll-margin-top: 5.5rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  background:
    radial-gradient(120% 85% at 88% -10%, rgba(235, 211, 160, .62), transparent 62%),
    var(--paper);
  border-bottom: var(--line);
}

.page-faq .faq-hero__grid {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-hero__intro {
  position: relative;
}

.page-faq .faq-hero__annot {
  display: none;
}

@media (min-width: 720px) {
  .page-faq .faq-hero__intro {
    padding-left: 3rem;
  }

  .page-faq .faq-hero__annot {
    display: block;
    position: absolute;
    left: 0;
    top: .4rem;
    writing-mode: vertical-rl;
    letter-spacing: .3em;
    color: var(--gold-deep);
  }
}

.page-faq .faq-hero__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  line-height: 1.22;
  letter-spacing: .02em;
  color: var(--ink);
  margin: 0 0 1.1rem;
  max-width: 14em;
}

.page-faq .faq-hero__lead {
  color: var(--faq-body);
  max-width: 34em;
  margin: 0 0 1.5rem;
}

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

.page-faq .faq-prep {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-faq .faq-prep li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0 .7rem;
  align-items: baseline;
  padding-bottom: .7rem;
  border-bottom: 1px dashed var(--faq-gold-hair);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-prep li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-prep .mono {
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-faq .faq-hero__note {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
}

/* ---------- 通用区块微调 ---------- */
.page-faq .section__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .section__num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .28em;
  color: var(--gold-deep);
  margin-bottom: .6rem;
}

.page-faq .section__title {
  margin: 0 0 .7rem;
  max-width: 20em;
}

.page-faq .section__lead {
  margin: 0;
  max-width: 40em;
  color: var(--faq-body);
}

/* ---------- 信息图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  padding: clamp(.5rem, 1.5vw, .85rem);
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-print);
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(27, 25, 23, .45);
}

.page-faq .faq-figure__cap {
  display: block;
  margin-top: .7rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 四类情形选项卡 ---------- */
.page-faq .faq-tabs {
  margin-top: .25rem;
}

.page-faq .tabs__list {
  display: flex;
  gap: .8rem;
  overflow-x: auto;
  padding: .25rem .25rem .75rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .tabs__btn {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 10.5rem;
  display: grid;
  gap: .25rem;
  text-align: left;
  padding: .85rem 1rem 1rem;
  background: var(--paper);
  border: var(--line);
  border-top: 3px solid var(--champagne);
  border-radius: var(--radius);
  box-shadow: 3px 3px 0 rgba(235, 211, 160, .75);
  color: var(--ink);
  font-family: inherit;
  cursor: pointer;
  transition: transform .2s ease, background-color .2s ease, border-color .2s ease;
}

@media (hover: hover) {
  .page-faq .tabs__btn:hover {
    transform: translateY(-2px);
    border-color: var(--gold-deep);
  }
}

.page-faq .tabs__btn[aria-selected="true"],
.page-faq .tabs__btn.is-active {
  background: var(--red);
  border-color: var(--red-deep);
  border-top-color: var(--red-deep);
  box-shadow: 3px 3px 0 rgba(126, 31, 26, .32);
}

.page-faq .faq-tab__num {
  font-size: var(--fs-12);
  letter-spacing: .22em;
  color: var(--gold-deep);
}

.page-faq .faq-tab__name {
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  font-weight: 600;
  line-height: 1.3;
}

.page-faq .faq-tab__hint {
  font-size: var(--fs-12);
  line-height: 1.5;
  color: var(--gray);
}

.page-faq .tabs__btn[aria-selected="true"] .faq-tab__num,
.page-faq .tabs__btn.is-active .faq-tab__num {
  color: var(--champagne);
}

.page-faq .tabs__btn[aria-selected="true"] .faq-tab__hint,
.page-faq .tabs__btn.is-active .faq-tab__hint {
  color: rgba(251, 246, 236, .78);
}

.page-faq .tabs__panel {
  margin-top: 1.1rem;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--paper);
  border: var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-print);
}

.page-faq .faq-panel__grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 820px) {
  .page-faq .faq-panel__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
    gap: 2rem;
  }
}

.page-faq .faq-panel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .26em;
  color: var(--gold-deep);
  margin-bottom: .55rem;
}

.page-faq .faq-panel__lead {
  margin: 0;
  max-width: 30em;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-panel__sub {
  margin: 0 0 .7rem;
}

.page-faq .faq-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .6rem;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 1.55rem;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .55rem;
  height: .55rem;
  background: var(--gold);
  box-shadow: 2px 2px 0 var(--champagne);
}

/* ---------- 工单状态 ---------- */
.page-faq .faq-submit {
  align-items: start;
}

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

.page-faq .faq-submit__card {
  margin-top: .5rem;
}

.page-faq .faq-submit__card .muted {
  margin: 0 0 1rem;
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-faq .faq-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-flow__item {
  position: relative;
  padding: 1.15rem 1rem 1.1rem;
  background: var(--paper);
  border: var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-flow__item::before {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--champagne));
}

@media (min-width: 1080px) {
  .page-faq .faq-flow__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.7rem;
    right: -1rem;
    width: 1rem;
    height: 1px;
    background: var(--gold);
  }
}

.page-faq .faq-flow__num {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .22em;
  color: var(--red);
  margin-bottom: .55rem;
}

.page-faq .faq-flow__title {
  margin: 0 0 .35rem;
}

.page-faq .faq-flow__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 保修与备件 ---------- */
.page-faq .faq-cover {
  display: grid;
  gap: 1.25rem;
}

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

.page-faq .faq-cover__item {
  position: relative;
  padding: 1.5rem 1.35rem 1.4rem;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-print);
}

.page-faq .faq-cover__item::before {
  content: "";
  position: absolute;
  left: -1px;
  right: -1px;
  top: -1px;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.page-faq .faq-cover__item h3 {
  margin: .8rem 0 .55rem;
  font-family: var(--font-serif);
}

.page-faq .faq-cover__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-depot {
  margin-top: 1.5rem;
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--rice);
  border: var(--line);
}

@media (min-width: 820px) {
  .page-faq .faq-depot {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: center;
  }
}

.page-faq .faq-depot__title {
  margin: .3rem 0 .6rem;
}

.page-faq .faq-depot p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-depot__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-depot__list li {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  padding: .45rem .85rem;
  background: var(--champagne);
  border: 1px solid var(--gold-deep);
  color: var(--gold-deep);
  border-radius: var(--radius);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  display: grid;
  gap: .7rem;
}

.page-faq .faq-acc--spaced {
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-acc .acc__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border: var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  font-weight: 500;
  line-height: 1.6;
  cursor: pointer;
  transition: background-color .2s ease, border-color .2s ease;
}

.page-faq .faq-acc .acc__btn[aria-expanded="true"] {
  background: var(--rice);
  border-left-color: var(--red);
}

.page-faq .faq-acc .acc__panel {
  padding: .9rem 1.1rem 1.1rem;
  background: var(--paper);
  border: 1px solid var(--faq-hair);
  border-top: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-acc .acc__panel p {
  margin: 0;
}

.page-faq .faq-acc__sign {
  position: relative;
  flex: 0 0 auto;
  width: .85rem;
  height: .85rem;
  margin-top: .38rem;
}

.page-faq .faq-acc__sign::before,
.page-faq .faq-acc__sign::after {
  content: "";
  position: absolute;
  background: var(--gold-deep);
}

.page-faq .faq-acc__sign::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
}

.page-faq .faq-acc__sign::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  transition: transform .2s ease;
}

.page-faq .acc__btn[aria-expanded="true"] .faq-acc__sign::after {
  transform: scaleY(0);
}

/* ---------- 移动端自查 ---------- */
.page-faq .faq-mobile {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}

@media (min-width: 900px) {
  .page-faq .faq-mobile {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

.page-faq .faq-mobile__figure {
  margin: 0;
  padding: .75rem;
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-print);
}

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

.page-faq .faq-mobile__cap {
  display: block;
  margin-top: .7rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-check__item {
  position: relative;
  padding: 0 0 1.5rem 3.3rem;
}

.page-faq .faq-check__item::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 2.4rem;
  bottom: .1rem;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), var(--champagne));
}

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

.page-faq .faq-check__item:last-child::before {
  display: none;
}

.page-faq .faq-check__num {
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-deep);
  font-size: var(--fs-12);
  letter-spacing: .04em;
}

.page-faq .faq-check__item h3 {
  margin: 0 0 .35rem;
}

.page-faq .faq-check__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-combo {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--faq-gold-hair);
}

.page-faq .faq-combo__label {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .26em;
  color: var(--gold-deep);
}

.page-faq .faq-combo__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: .9rem;
}

.page-faq .faq-combo .muted {
  margin: 0 0 .6rem;
  font-size: var(--fs-14);
  line-height: 1.8;
}

/* ---------- 授权与选型 ---------- */
.page-faq .faq-partner {
  align-items: start;
}

.page-faq .faq-partner__lead {
  margin: 0 0 1rem;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--faq-body);
  max-width: 30em;
}

.page-faq .faq-standard {
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-standard li {
  font-size: var(--fs-14);
  line-height: 1.5;
  padding: .42rem .8rem;
  background: rgba(235, 211, 160, .38);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  color: var(--gold-deep);
}

.page-faq .faq-partner__intro .muted {
  margin: 0 0 1rem;
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-faq .faq-partner__qa-title {
  margin: 0 0 1rem;
  color: var(--ink);
}

.page-faq .faq-partner__qa .faq-acc {
  margin-top: 0;
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.25rem) 0;
  background: var(--red-deep);
  color: var(--paper);
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  right: -8rem;
  bottom: -14rem;
  width: 26rem;
  height: 26rem;
  border: 1px solid rgba(235, 211, 160, .32);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-contact::after {
  content: "";
  position: absolute;
  right: -4rem;
  bottom: -10rem;
  width: 18rem;
  height: 18rem;
  border: 1px solid rgba(235, 211, 160, .2);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-contact__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
}

@media (min-width: 900px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
  }
}

.page-faq .faq-contact h2 {
  margin: 0 0 1rem;
  color: var(--paper);
  max-width: 16em;
}

.page-faq .faq-contact p {
  margin: 0;
  max-width: 34em;
  line-height: 1.85;
  color: rgba(251, 246, 236, .84);
}

.page-faq .faq-contact .contact-row {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: .2rem 1rem;
  align-items: baseline;
  padding: .85rem 0;
  border-bottom: 1px solid rgba(235, 211, 160, .3);
  font-size: var(--fs-14);
}

.page-faq .faq-contact .contact-row:first-child {
  border-top: 1px solid rgba(235, 211, 160, .3);
}

.page-faq .faq-contact .contact-row__k {
  color: var(--champagne);
  letter-spacing: .08em;
}

.page-faq .faq-contact .contact-row__v {
  color: var(--paper);
  line-height: 1.7;
}

.page-faq .faq-contact .contact-row__v--mono {
  font-family: var(--font-mono);
  word-break: break-all;
}

@media (max-width: 559px) {
  .page-faq .faq-contact .contact-row {
    grid-template-columns: minmax(0, 1fr);
    gap: .3rem;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__btn,
  .page-faq .faq-acc .acc__btn,
  .page-faq .faq-acc__sign::after {
    transition: none;
  }

  .page-faq .tabs__btn:hover {
    transform: none;
  }
}