.page-contact {
  --fc-gap: clamp(20px, 3vw, 40px);
  --fc-line: 1px solid var(--edge);
  --fc-accent: var(--lg-a);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 110px);
}

.page-contact .breadcrumbs {
  padding: clamp(16px, 3vw, 30px) 0 6px;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .display-1 {
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 300;
  margin: 12px 0 0;
}

.page-contact .fc-title {
  max-width: 17ch;
}

/* ---------- 首屏 ---------- */
.page-contact .fc-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--fc-gap);
  padding-top: clamp(6px, 2vw, 18px);
}

@media (min-width: 980px) {
  .page-contact .fc-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

.page-contact .fc-lede {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .fc-types {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}

@media (min-width: 620px) {
  .page-contact .fc-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .fc-type {
  background: var(--panel);
  border: var(--fc-line);
  border-left: 3px solid var(--fc-accent);
  border-radius: var(--r-sm);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), background 0.18s var(--ease);
}

.page-contact .fc-type--a { --fc-accent: var(--lg-a); }
.page-contact .fc-type--b { --fc-accent: var(--lg-b); }
.page-contact .fc-type--c { --fc-accent: var(--lg-c); }
.page-contact .fc-type--d { --fc-accent: var(--lg-d); }

.page-contact .fc-type:hover {
  transform: translateY(-4px);
  background: #0E2A22;
}

.page-contact .fc-type[open] {
  border-left-color: var(--cyan);
  background: #0E2A22;
}

.page-contact .fc-type > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  gap: 6px;
  padding: 15px 42px 15px 18px;
  position: relative;
}

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

.page-contact .fc-type > summary::after {
  content: "+";
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1;
  color: var(--fc-accent);
}

.page-contact .fc-type[open] > summary::after {
  content: "−";
  color: var(--cyan);
}

.page-contact .fc-type > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
  border-radius: var(--r-sm);
}

.page-contact .fc-type__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.page-contact .fc-type__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .fc-type__ask {
  margin: 0;
  padding: 10px 18px 0;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .fc-type__list {
  margin: 0;
  padding: 8px 18px 18px 32px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .fc-type__list li::marker {
  color: var(--fc-accent);
}

/* 右侧留白说明区 */
.page-contact .fc-aside {
  border: 1px dashed var(--edge);
  border-radius: var(--r-lg);
  padding: clamp(22px, 4vw, 46px);
  background: linear-gradient(158deg, rgba(44, 224, 198, 0.06), rgba(6, 18, 15, 0) 58%);
}

.page-contact .fc-aside__label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .fc-aside__text {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 44ch;
}

.page-contact .fc-aside__text a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .fc-aside__text a:hover,
.page-contact .fc-aside__text a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .fc-aside__meta {
  margin: clamp(24px, 4vw, 40px) 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.page-contact .fc-block {
  margin-top: clamp(52px, 7vw, 104px);
}

.page-contact .fc-block__head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  max-width: 22ch;
}

.page-contact .fc-block__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .fc-block__lede a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-contact .fc-block__lede a:hover,
.page-contact .fc-block__lede a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 反馈模板 ---------- */
.page-contact .fc-template__grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

@media (min-width: 860px) {
  .page-contact .fc-template__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

.page-contact .fc-template {
  background: var(--sand);
  color: var(--ink);
  border-radius: var(--r-md);
  padding: clamp(20px, 3vw, 34px);
}

.page-contact .fc-template__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: #4C5F58;
}

.page-contact .fc-template__rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .fc-template__rows li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(6, 18, 15, 0.22);
}

.page-contact .fc-template__rows li:last-child {
  border-bottom: 0;
  padding-bottom: 2px;
}

.page-contact .fc-template__key {
  font-family: var(--font-data);
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  min-width: 5.6em;
}

.page-contact .fc-template__hint {
  font-size: 12.5px;
  line-height: 1.6;
  color: #4C5F58;
}

.page-contact .fc-template__why h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 400;
}

.page-contact .fc-template__why p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .fc-flow__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  border: var(--fc-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .fc-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 420;
  object-fit: cover;
}

.page-contact .fc-flow__figure .media__caption {
  padding: 11px 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  background: var(--panel);
  border-top: 1px solid var(--edge);
}

.page-contact .fc-flow {
  list-style: none;
  margin: clamp(18px, 2.5vw, 30px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .fc-flow__step {
  position: relative;
  background: var(--panel);
  border: var(--fc-line);
  border-radius: var(--r-md);
  padding: clamp(18px, 2.4vw, 26px);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .fc-flow__step:hover,
.page-contact .fc-flow__step:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

@media (min-width: 860px) {
  .page-contact .fc-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-contact .fc-flow__step::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -34px;
    width: 34px;
    border-top: 2px dashed var(--edge);
  }

  .page-contact .fc-flow__step:last-child::after {
    content: none;
  }
}

.page-contact .fc-flow__no {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .fc-flow__step h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
}

.page-contact .fc-flow__step p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .fc-flow__step p a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-contact .fc-flow__step p a:hover,
.page-contact .fc-flow__step p a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .fc-flow__step .fc-flow__time {
  margin-top: 14px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-contact .fc-flow__note {
  margin: clamp(18px, 2.5vw, 28px) 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .fc-flow__note a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-contact .fc-flow__note a:hover,
.page-contact .fc-flow__note a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 联系行动区 ---------- */
.page-contact .fc-contact {
  position: relative;
  overflow: hidden;
  border: var(--fc-line);
  border-radius: var(--r-lg);
  background: var(--panel);
  padding: clamp(28px, 5vw, 72px) clamp(22px, 4vw, 64px);
}

.page-contact .fc-contact__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-contact .fc-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(112deg, rgba(6, 18, 15, 0.95) 0%, rgba(6, 18, 15, 0.76) 48%, rgba(6, 18, 15, 0.5) 100%);
}

.page-contact .fc-contact__inner {
  position: relative;
  z-index: 2;
}

.page-contact .fc-contact__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-contact .fc-contact__list {
  margin: clamp(22px, 3vw, 38px) 0 0;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-contact .fc-contact__item {
  padding-left: clamp(12px, 1.6vw, 20px);
  border-left: 2px solid var(--edge);
}

.page-contact .fc-contact__item dt {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .fc-contact__value {
  margin: 8px 0 0;
  font-family: var(--font-data);
  font-weight: 400;
  font-size: clamp(18px, 5.2vw, 52px);
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-contact .fc-contact__meta {
  margin-top: clamp(24px, 3vw, 38px);
  padding-top: 18px;
  border-top: 1px solid var(--edge);
  display: grid;
  gap: 6px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .fc-contact__meta p {
  margin: 0;
}

/* ---------- 合作与其他 ---------- */
.page-contact .fc-partner__grid {
  margin-top: clamp(22px, 3vw, 32px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

@media (min-width: 760px) {
  .page-contact .fc-partner__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

.page-contact .fc-partner__card {
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .fc-partner__card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 500;
}

.page-contact .fc-partner__card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .fc-partner__list {
  margin: 14px 0 0;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.95;
  color: var(--muted);
}

.page-contact .fc-partner__list li::marker {
  color: var(--lg-c);
}

.page-contact .fc-partner__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 64ch;
  font-size: 13.5px;
  line-height: 1.95;
  color: var(--muted);
}

.page-contact .fc-partner__note a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--edge);
}

.page-contact .fc-partner__note a:hover,
.page-contact .fc-partner__note a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .fc-type,
  .page-contact .fc-flow__step,
  .page-contact .breadcrumbs a {
    transition: none;
  }

  .page-contact .fc-type:hover,
  .page-contact .fc-flow__step:hover,
  .page-contact .fc-flow__step:focus-within {
    transform: none;
  }
}