/* ===== 意见反馈页 ===== */
.page-contact {
  --fc-rule: rgba(110, 90, 34, 0.5);
  --fc-rule-soft: rgba(110, 90, 34, 0.26);
  display: block;
  background: var(--ink);
  color: var(--cloud);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .fc-wrap {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-contact .fc-hero {
  position: relative;
  padding: 26px 0 40px;
  border-bottom: 1px solid var(--fc-rule);
  background:
    radial-gradient(130% 100% at 92% -10%, rgba(59, 47, 99, 0.42) 0%, rgba(11, 13, 15, 0) 60%),
    radial-gradient(90% 80% at 0% 110%, rgba(178, 58, 58, 0.13) 0%, rgba(11, 13, 15, 0) 62%);
}

.page-contact .fc-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 20px 0 16px;
}

.page-contact .fc-eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.page-contact .fc-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--cloud);
  margin: 0 0 18px;
  max-width: 20em;
}

.page-contact .fc-lede {
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
  margin: 0;
  max-width: 42em;
}

.page-contact .fc-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .fc-hero__meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cloud);
  background: rgba(21, 25, 28, 0.85);
  border: 1px solid var(--fc-rule);
  padding: 7px 12px;
}

/* ---------- 左右分屏 ---------- */
.page-contact .fc-split {
  display: grid;
  gap: 36px;
  padding-top: 40px;
}

.page-contact .fc-col {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-contact .fc-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
    padding-top: 56px;
  }
}

/* ---------- 联络卡 ---------- */
.page-contact .fc-card {
  position: relative;
  border: 2px solid var(--gold-dim);
  background: linear-gradient(158deg, #1A1F23 0%, #101417 100%);
  box-shadow: 6px 8px 0 rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(235, 208, 122, 0.14);
  padding: 24px 20px 26px;
}

.page-contact .fc-card::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(201, 162, 39, 0.14);
  pointer-events: none;
}

.page-contact .fc-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin: 0 0 22px;
}

.page-contact .fc-card__hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--silver);
  margin: 0 0 8px;
}

.page-contact .fc-card__mail {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 4.1vw, 21px);
  line-height: 1.4;
  color: var(--gold-hi);
  overflow-wrap: anywhere;
  user-select: all;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--fc-rule-soft);
}

.page-contact .fc-card__tip {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
  margin: 10px 0 0;
}

.page-contact .fc-row {
  margin-top: 20px;
}

.page-contact .fc-row + .fc-row {
  padding-top: 20px;
  border-top: 1px solid var(--fc-rule-soft);
}

.page-contact .fc-row__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--silver);
  margin-bottom: 6px;
}

.page-contact .fc-row__val {
  display: block;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cloud);
}

.page-contact .fc-tel {
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--gold-hi);
}

.page-contact .fc-row__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  margin: 8px 0 0;
}

.page-contact .fc-card-media {
  margin: 22px 0 0;
  border: 1px solid var(--fc-rule);
  background: var(--coal-deep);
  padding: 8px 8px 0;
}

.page-contact .fc-card-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .fc-card-media figcaption,
.page-contact .fc-flow-media figcaption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--silver);
  padding: 10px 4px 12px;
  margin: 0;
}

/* ---------- 通用标题 ---------- */
.page-contact .fc-block__title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--cloud);
  margin: 0;
  max-width: 24em;
}

.page-contact .fc-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-contact .fc-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.page-contact .fc-kicker--cinnabar {
  color: var(--cinnabar);
}

.page-contact .fc-kicker--jade {
  color: var(--jade);
}

.page-contact .fc-col--steps .fc-block__title {
  margin-bottom: 30px;
}

/* ---------- 四步流程 ---------- */
.page-contact .fc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .fc-step {
  position: relative;
  padding-bottom: 12px;
}

.page-contact .fc-step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.5), rgba(110, 90, 34, 0.06));
}

.page-contact .fc-step:last-child {
  padding-bottom: 0;
}

.page-contact .fc-step:last-child::before {
  content: none;
}

.page-contact .fc-disclosure {
  border: 0;
  margin: 0;
}

.page-contact .fc-disclosure > summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 6px 0 14px;
  cursor: pointer;
  list-style: none;
  outline: none;
}

.page-contact .fc-disclosure > summary::-webkit-details-marker {
  display: none;
}

.page-contact .fc-disclosure > summary:focus-visible {
  box-shadow: 0 0 0 2px var(--gold);
}

.page-contact .fc-step__num {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--cinnabar-deep);
  color: #FBEFE6;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
  transition: background 140ms var(--ease);
}

.page-contact .fc-disclosure[open] .fc-step__num {
  background: var(--cinnabar);
}

.page-contact .fc-step__title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--cloud);
  transition: color 140ms var(--ease);
}

.page-contact .fc-disclosure > summary:hover .fc-step__title {
  color: var(--gold-hi);
}

.page-contact .fc-step__more {
  flex: 0 0 auto;
  margin-left: auto;
  width: 10px;
  height: 10px;
  color: var(--gold);
  transition: transform 200ms var(--ease), color 140ms var(--ease);
}

.page-contact .fc-step__more::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}

.page-contact .fc-disclosure[open] .fc-step__more {
  transform: rotate(90deg);
  color: var(--cinnabar);
}

.page-contact .fc-step__body {
  padding: 0 0 16px 58px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-contact .fc-step__body p {
  margin: 0 0 10px;
}

.page-contact .fc-step__body p:last-child {
  margin-bottom: 0;
}

.page-contact .fc-flow-media {
  margin: 30px 0 0;
  border: 1px solid var(--fc-rule);
  background: var(--coal-deep);
  padding: 8px 8px 0;
}

.page-contact .fc-flow-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

/* ---------- 通用区块 ---------- */
.page-contact .fc-block {
  margin-top: 64px;
  padding-top: 44px;
  border-top: 1px solid var(--fc-rule);
}

.page-contact .fc-block__head {
  margin-bottom: 26px;
}

.page-contact .fc-block__head .fc-kicker {
  margin-bottom: 6px;
}

/* ---------- 邮件要素 ---------- */
.page-contact .fc-specs {
  margin: 0;
  padding: 0;
}

.page-contact .fc-spec {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-top: 1px solid var(--fc-rule-soft);
}

.page-contact .fc-spec:last-child {
  border-bottom: 1px solid var(--fc-rule-soft);
}

.page-contact .fc-spec dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-contact .fc-spec dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

@media (min-width: 760px) {
  .page-contact .fc-spec {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 回访条件 ---------- */
.page-contact .fc-callout {
  border-left: 3px solid var(--cinnabar);
  background: linear-gradient(100deg, rgba(178, 58, 58, 0.14) 0%, rgba(178, 58, 58, 0) 72%);
  padding: 22px 18px 24px;
}

@media (min-width: 760px) {
  .page-contact .fc-callout {
    padding: 28px 28px 30px;
  }
}

.page-contact .fc-callout__lede {
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--cloud);
  margin: 18px 0 0;
  max-width: 42em;
}

.page-contact .fc-checklist {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .fc-checklist li {
  position: relative;
  padding: 12px 0 12px 26px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cloud);
  border-bottom: 1px solid rgba(110, 90, 34, 0.22);
}

.page-contact .fc-checklist li:last-child {
  border-bottom: 0;
}

.page-contact .fc-checklist li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-contact .fc-callout__foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 写法参考 ---------- */
.page-contact .fc-samples {
  display: grid;
  gap: 20px;
}

@media (min-width: 780px) {
  .page-contact .fc-samples {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

.page-contact .fc-sample {
  border: 1px solid var(--fc-rule);
  border-top: 3px solid var(--gold-dim);
  background: rgba(21, 25, 28, 0.72);
  padding: 20px 20px 22px;
  transition: border-color 180ms var(--ease);
}

.page-contact .fc-sample:hover {
  border-color: rgba(201, 162, 39, 0.55);
}

.page-contact .fc-sample__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-contact .fc-sample__text {
  margin: 0 0 16px;
  padding-left: 15px;
  border-left: 2px solid rgba(110, 90, 34, 0.4);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--cloud);
}

.page-contact .fc-sample__foot {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 延伸入口 ---------- */
.page-contact .fc-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .fc-next__list li {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--fc-rule-soft);
}

.page-contact .fc-next__list li:last-child {
  border-bottom: 1px solid var(--fc-rule-soft);
}

@media (min-width: 760px) {
  .page-contact .fc-next__list li {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

.page-contact .fc-next__link {
  justify-self: start;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--cloud);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .fc-next__link:hover {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

.page-contact .fc-next__link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-contact .fc-next__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 420px) {
  .page-contact .fc-card {
    padding: 20px 16px 22px;
  }

  .page-contact .fc-step__num {
    width: 38px;
    height: 38px;
    font-size: 13.5px;
  }

  .page-contact .fc-disclosure > summary {
    gap: 12px;
  }

  .page-contact .fc-step__body {
    padding-left: 50px;
  }

  .page-contact .fc-step::before {
    left: 18px;
    top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fc-step__num,
  .page-contact .fc-step__title,
  .page-contact .fc-step__more,
  .page-contact .fc-sample,
  .page-contact .fc-next__link {
    transition: none;
  }
}