.page-faq {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 6vw, 88px);
  overflow-x: hidden;
}

.page-faq [id] {
  scroll-margin-top: 28px;
}

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

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq .breadcrumb {
  padding: clamp(12px, 2vw, 20px) 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ash);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-faq .breadcrumb a {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: 3px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding: clamp(10px, 2vw, 22px) 0 clamp(30px, 5vw, 58px);
}

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

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.04;
  margin-bottom: clamp(14px, 2vw, 20px);
  text-wrap: balance;
}

.page-faq .faq-hero__mark {
  color: var(--mint);
  box-shadow: inset 0 -0.16em 0 rgba(41, 242, 194, 0.16);
}

.page-faq .faq-hero__deck {
  margin: 0 0 clamp(20px, 3vw, 28px);
  color: var(--ash);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  max-width: 62ch;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 28px);
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 14px 14px 10px;
  border-left: 3px solid var(--steel);
  background: var(--ink-2);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-steps__item:hover,
.page-faq .faq-steps__item:focus-within {
  border-left-color: var(--mint);
  transform: translateX(3px);
}

.page-faq .faq-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--mint);
  color: var(--mint);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .faq-steps__body strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.page-faq .faq-steps__body p {
  margin: 0;
  color: var(--ash);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__side {
  display: grid;
  gap: 14px;
  min-width: 0;
  align-content: start;
}

.page-faq .faq-shot {
  margin: 0;
  border: 3px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-shot img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-shot figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ash);
  font-family: var(--font-mono);
}

.page-faq .faq-hot {
  border: 2px solid var(--line);
  border-top: 4px solid var(--coral);
  background: var(--ink-3);
  padding: 16px 18px 18px;
}

.page-faq .faq-hot__title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
}

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

.page-faq .faq-hot__list a {
  display: block;
  padding: 9px 0 9px 16px;
  position: relative;
  color: var(--paper);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: color 0.16s ease, padding-left 0.16s ease;
}

.page-faq .faq-hot__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 7px;
  height: 2px;
  background: var(--steel);
  transform: translateY(-50%);
  transition: width 0.16s ease, background 0.16s ease;
}

.page-faq .faq-hot__list a:hover,
.page-faq .faq-hot__list a:focus-visible {
  color: var(--mint);
  padding-left: 22px;
}

.page-faq .faq-hot__list a:hover::before,
.page-faq .faq-hot__list a:focus-visible::before {
  width: 13px;
  background: var(--mint);
}

.page-faq .faq-hot__list li:last-child a {
  border-bottom: 0;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-desk {
  padding: clamp(30px, 5vw, 62px) 0;
}

.page-faq .faq-desk__head {
  display: grid;
  gap: 16px;
  padding-bottom: clamp(16px, 2.4vw, 24px);
  border-bottom: 3px solid var(--line);
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-desk__intro .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-desk__intro h2 {
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.1;
}

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

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  background: var(--score);
  color: var(--paper);
  border: 3px solid var(--steel);
  padding: 13px 14px;
  font-size: 14px;
  letter-spacing: 0.01em;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.page-faq .faq-search__input::placeholder {
  color: rgba(158, 177, 186, 0.75);
}

.page-faq .faq-search__input:focus {
  border-color: var(--mint);
  box-shadow: 4px 4px 0 var(--score);
}

.page-faq .faq-search__status {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ash);
}

.page-faq .faq-desk__grid {
  display: grid;
  gap: clamp(18px, 3vw, 38px);
}

.page-faq .faq-nav {
  min-width: 0;
  border: 2px solid var(--line);
  background: var(--ink-2);
  padding: 16px 16px 18px;
}

.page-faq .faq-nav__group + .faq-nav__group {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-nav__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
}

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

.page-faq .faq-nav ul a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.14s ease, border-color 0.14s ease;
}

.page-faq .faq-nav ul a:hover,
.page-faq .faq-nav ul a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--mint);
}

.page-faq .faq-nav__jump {
  display: block;
  margin-top: 18px;
  padding: 11px 12px;
  background: var(--coral);
  color: var(--score);
  font-weight: 700;
  font-size: 13.5px;
  line-height: 1.45;
  text-decoration: none;
  border: 2px solid var(--coral);
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.page-faq .faq-nav__jump:hover,
.page-faq .faq-nav__jump:focus-visible {
  background: transparent;
  color: var(--coral);
  transform: translateX(3px);
}

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

.page-faq .faq-list__group {
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint);
  padding: 0 0 10px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 12px;
}

.page-faq .faq-list__group:not(:first-child) {
  margin-top: 32px;
}

.page-faq .faq-q {
  border: 2px solid var(--line-soft);
  background: var(--ink-2);
  margin-bottom: 10px;
  transition: border-color 0.18s ease;
}

.page-faq .faq-q:hover {
  border-color: var(--mint);
}

.page-faq .faq-q[open] {
  border-color: var(--mint);
  background: var(--ink-3);
}

.page-faq .faq-q > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  padding: 15px 46px 15px 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.45;
  color: var(--paper);
}

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

.page-faq .faq-q > summary::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--mint);
  transform: translateY(-50%);
}

.page-faq .faq-q > summary::before {
  content: "";
  position: absolute;
  right: 22px;
  top: 50%;
  width: 2px;
  height: 14px;
  background: var(--mint);
  transform: translateY(-50%);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-q[open] > summary::before {
  opacity: 0;
  transform: translateY(-50%) scaleY(0.2);
}

.page-faq .faq-q__no {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--coral);
}

.page-faq .faq-q__body {
  padding: 0 18px 18px 16px;
  border-top: 1px dashed var(--line-soft);
  margin-top: 2px;
}

.page-faq .faq-q__body p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ash);
  max-width: 70ch;
}

.page-faq .faq-q__body a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--mint);
  margin-left: 4px;
  transition: color 0.14s ease;
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--paper);
}

/* ---------- 现象分流 ---------- */
.page-faq .faq-triage {
  padding: clamp(30px, 5vw, 62px) 0;
  background: var(--ink-2);
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
}

.page-faq .faq-triage__head {
  margin-bottom: clamp(18px, 3vw, 30px);
  max-width: 66ch;
}

.page-faq .faq-triage__head .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-triage__head h2 {
  font-size: clamp(23px, 3.8vw, 38px);
  line-height: 1.12;
  margin-bottom: 10px;
}

.page-faq .faq-triage__intro {
  margin: 0;
  color: var(--ash);
  font-size: 15px;
  line-height: 1.75;
}

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

.page-faq .faq-kind {
  background: var(--ink);
  border: 2px solid var(--line);
  border-top-width: 6px;
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .faq-kind:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-kind--mint {
  border-top-color: var(--mint);
}

.page-faq .faq-kind--coral {
  border-top-color: var(--coral);
}

.page-faq .faq-kind--steel {
  border-top-color: var(--steel);
}

.page-faq .faq-kind__tag {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-faq .faq-kind h3 {
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-kind p {
  margin: 0;
  color: var(--ash);
  font-size: 14px;
  line-height: 1.75;
}

.page-faq .faq-kind a {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  padding-bottom: 2px;
  transition: border-color 0.16s ease, color 0.16s ease;
}

.page-faq .faq-kind--coral a {
  color: var(--coral);
}

.page-faq .faq-kind a:hover,
.page-faq .faq-kind a:focus-visible {
  border-bottom-color: currentColor;
}

.page-faq .faq-triage__figure {
  margin: clamp(20px, 3vw, 34px) 0 0;
  border: 3px solid var(--line);
  background: var(--ink);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-triage__figure img {
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-triage__figure figcaption {
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--ash);
}

/* ---------- 移动端反馈 ---------- */
.page-faq .faq-lqfr {
  padding: clamp(30px, 5vw, 64px) 0;
}

.page-faq .faq-lqfr__inner {
  background: var(--indigo);
  border: 3px solid var(--coral);
  box-shadow: var(--shadow-hard);
  padding: clamp(20px, 3.4vw, 38px);
  display: grid;
  gap: clamp(18px, 3vw, 32px);
}

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

.page-faq .faq-lqfr__copy .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-lqfr__copy h2 {
  font-size: clamp(23px, 3.8vw, 38px);
  line-height: 1.12;
  margin-bottom: 12px;
}

.page-faq .faq-lqfr__copy > p {
  margin: 0 0 12px;
  color: rgba(244, 247, 248, 0.82);
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 58ch;
}

.page-faq .faq-lqfr__sla {
  font-family: var(--font-mono);
  color: var(--mint) !important;
  font-size: 14px !important;
  letter-spacing: 0.02em;
  border-left: 3px solid var(--mint);
  padding-left: 12px;
  margin-bottom: 18px !important;
}

.page-faq .faq-lqfr__list {
  list-style: none;
  margin: 0;
  padding: 0;
  align-self: start;
  border-top: 2px solid rgba(255, 107, 74, 0.5);
}

.page-faq .faq-lqfr__list li {
  padding: 11px 0 11px 22px;
  position: relative;
  font-size: 14px;
  line-height: 1.6;
  color: var(--paper);
  border-bottom: 1px solid rgba(244, 247, 248, 0.18);
}

.page-faq .faq-lqfr__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--coral);
  transform: translateY(-50%) rotate(45deg);
}

/* ---------- 工单 ---------- */
.page-faq .faq-ticket {
  padding: clamp(26px, 4vw, 54px) 0 clamp(30px, 5vw, 60px);
  border-top: 3px solid var(--line);
}

.page-faq .faq-ticket__grid {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
}

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

.page-faq .faq-ticket__main .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-ticket__main h2 {
  font-size: clamp(23px, 3.8vw, 38px);
  line-height: 1.12;
  margin-bottom: 10px;
}

.page-faq .faq-ticket__lead {
  margin: 0 0 18px;
  color: var(--ash);
  font-size: 15px;
  line-height: 1.78;
  max-width: 60ch;
}

.page-faq .faq-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-check li {
  position: relative;
  padding: 10px 12px 10px 42px;
  background: var(--ink-2);
  border-left: 3px solid var(--steel);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--paper);
  transition: border-color 0.16s ease;
}

.page-faq .faq-check li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 14px;
  height: 14px;
  border: 2px solid var(--mint);
  transform: translateY(-50%);
}

.page-faq .faq-check li:hover {
  border-left-color: var(--mint);
}

.page-faq .faq-ticket__card {
  border: 3px solid var(--line);
  background: var(--ink-3);
  box-shadow: var(--shadow-soft);
  padding: clamp(18px, 2.6vw, 26px);
  align-self: start;
}

.page-faq .faq-ticket__label {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-faq .faq-ticket__mail {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--mint);
  word-break: break-all;
}

.page-faq .faq-ticket__note {
  margin: 0 0 16px;
  color: var(--ash);
  font-size: 13.5px;
  line-height: 1.78;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-foot {
  padding: clamp(24px, 4vw, 44px) 0 0;
}

.page-faq .faq-foot__inner {
  border: 3px solid var(--steel);
  background: var(--ink-2);
  padding: clamp(20px, 3vw, 34px);
  display: grid;
  gap: 12px;
}

.page-faq .faq-foot__title {
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.18;
  color: var(--paper);
}

.page-faq .faq-foot__text {
  margin: 0;
  color: var(--ash);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-faq .faq-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-desk__head {
    grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
    align-items: end;
  }

  .page-faq .faq-triage__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-ticket__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-faq .faq-desk__grid {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 9fr);
    align-items: start;
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-lqfr__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }

  .page-faq .faq-kind:hover,
  .page-faq .faq-steps__item:hover,
  .page-faq .faq-steps__item:focus-within {
    transform: none;
  }
}