.page-faq {
  --faq-line: rgba(217, 164, 65, 0.42);
  --faq-dark-line: rgba(246, 239, 227, 0.18);
  --faq-soft: rgba(255, 252, 246, 0.74);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  background: var(--paper);
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.page-faq .faq-h2 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}

.page-faq .faq-sub {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 46em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--paper-2);
}

.page-faq .faq-hero .faq-wrap {
  padding-block: clamp(24px, 4.5vw, 52px) clamp(28px, 5vw, 60px);
}

.page-faq .faq-hero__rule {
  width: 96px;
  height: 6px;
  margin-bottom: 18px;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 100%);
  transform: skewX(-8deg);
}

.page-faq .faq-hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--ink);
  max-width: 20em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--stone);
  max-width: 44em;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  font-size: 13px;
  color: var(--stone);
  background: var(--white);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-chip b {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--red);
}

/* ---------- 三步上手路径 ---------- */
.page-faq .faq-steps {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 88% 10%, rgba(217, 164, 65, 0.22), transparent 46%),
    radial-gradient(circle at 6% 90%, rgba(200, 16, 46, 0.26), transparent 50%);
}

.page-faq .faq-steps .faq-wrap {
  position: relative;
  z-index: 1;
  padding-block: clamp(44px, 7vw, 84px);
}

.page-faq .faq-steps .faq-h2 {
  color: var(--white);
}

.page-faq .faq-steps .faq-sub {
  color: var(--faq-soft);
}

.page-faq .faq-steps__figure {
  margin: 0 0 clamp(24px, 3.5vw, 40px);
  padding: 8px;
  background: rgba(255, 252, 246, 0.04);
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-dark-line);
  border: 1px solid var(--faq-dark-line);
}

.page-faq .faq-step {
  position: relative;
  background: var(--ink);
  padding: clamp(20px, 3vw, 30px) clamp(18px, 2.6vw, 28px) clamp(24px, 3vw, 32px);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(38px, 6vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-faq .faq-step__num::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 14px;
  background: var(--red);
  transform: skewX(-8deg);
}

.page-faq .faq-step__title {
  margin: 16px 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .faq-step__text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-step__time {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--gold-pale);
  border: 1px solid var(--faq-line);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-qa .faq-wrap {
  padding-block: clamp(44px, 7vw, 84px);
}

.page-faq .faq-qa__wrap {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
  border-bottom: 1px solid var(--paper-2);
}

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

.page-faq .faq-toc__link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--stone);
  text-decoration: none;
  border-left: 2px solid var(--paper-2);
  transition: color var(--t), border-color var(--t), background var(--t);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--red);
  border-left-color: var(--red);
  background: var(--white);
}

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

.page-faq .faq-group {
  margin-bottom: clamp(28px, 4vw, 44px);
}

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

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .faq-group__title::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--red);
  transform: skewX(-8deg);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--paper-2);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 2px;
  height: 22px;
  background: var(--paper-2);
  transition: background var(--t);
}

.page-faq .faq-item[open]::before {
  background: var(--gold);
}

.page-faq .faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 40px 16px 18px;
  font-size: clamp(15.5px, 1.8vw, 17px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--t);
}

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

.page-faq .faq-item summary:hover {
  color: var(--red);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 20px;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-item[open] summary::after {
  content: "\2013";
}

.page-faq .faq-item__body {
  padding: 0 40px 20px 18px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 机型自查 ---------- */
.page-faq .faq-check-sec {
  background: var(--paper-2);
}

.page-faq .faq-check-sec .faq-wrap {
  padding-block: clamp(44px, 7vw, 84px);
}

.page-faq .faq-checks {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 32px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: var(--white);
  border: 1px solid rgba(21, 17, 15, 0.08);
  transition: transform var(--t), border-color var(--t);
}

.page-faq .faq-check:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-faq .faq-check__box {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--jade);
  background: rgba(46, 124, 107, 0.12);
}

.page-faq .faq-check__box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--jade);
  border-bottom: 2px solid var(--jade);
  transform: rotate(45deg);
}

.page-faq .faq-check__title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-check__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-tip {
  display: flex;
  gap: 12px;
  margin: 0 0 12px;
  padding: 14px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--white);
  border-left: 4px solid var(--stone);
}

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

.page-faq .faq-tip strong {
  flex: none;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
}

.page-faq .faq-tip--jade {
  border-left-color: var(--jade);
}

.page-faq .faq-tip--jade strong {
  color: var(--jade);
}

.page-faq .faq-tip--red {
  border-left-color: var(--red);
}

.page-faq .faq-tip--red strong {
  color: var(--red);
}

/* ---------- 反馈表说明 ---------- */
.page-faq .faq-report .faq-wrap {
  padding-block: clamp(44px, 7vw, 84px);
}

.page-faq .faq-report__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-report__figure {
  margin: 0;
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--paper-2);
}

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

.page-faq .faq-fields {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--paper-2);
  border: 1px solid var(--paper-2);
}

.page-faq .faq-field {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper);
}

.page-faq .faq-field__key {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
}

.page-faq .faq-field__val {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

.page-faq .faq-flow__step {
  padding: 7px 12px;
  font-size: 13px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--paper-2);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-inline-link {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-faq .faq-inline-link a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
  transition: color var(--t), border-color var(--t);
}

.page-faq .faq-inline-link a:hover,
.page-faq .faq-inline-link a:focus-visible {
  color: var(--red-deep);
  border-bottom-color: var(--red-deep);
}

/* ---------- 联系指引 ---------- */
.page-faq .faq-help .faq-wrap {
  padding-block: clamp(36px, 6vw, 68px) clamp(56px, 9vw, 104px);
}

.page-faq .faq-help__panel {
  padding: clamp(26px, 4vw, 46px);
  background: var(--gold-pale);
  clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
}

.page-faq .faq-help__panel .faq-h2 {
  max-width: 24em;
}

.page-faq .faq-help__panel .faq-sub {
  margin-bottom: 20px;
  color: var(--ink);
}

.page-faq .faq-help__contact {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__contact li {
  display: grid;
  gap: 2px;
}

.page-faq .faq-help__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-faq .faq-help__contact .mono {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .faq-help__contact span:not(.mono):not(.faq-help__label) {
  font-size: 15px;
  color: var(--ink);
}

.page-faq .faq-help__note {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--stone);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-field {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-checks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 840px) {
  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-report__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-qa__wrap {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc__link {
    padding: 9px 12px;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-hero__title {
    font-size: 30px;
  }

  .page-faq .faq-item summary {
    padding-right: 32px;
  }

  .page-faq .faq-item__body {
    padding-right: 14px;
  }

  .page-faq .faq-help__panel {
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-check,
  .page-faq .faq-item summary,
  .page-faq .faq-toc__link {
    transition: none;
  }

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