.page-contact {
  display: block;
  background: var(--c-paper);
  color: var(--c-night);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .fc-hero {
  position: relative;
  padding: clamp(22px, 4vw, 46px) 0 clamp(44px, 6vw, 78px);
  background:
    radial-gradient(120% 85% at 84% 4%, rgba(14, 143, 90, 0.46), transparent 58%),
    radial-gradient(95% 72% at 6% 98%, rgba(43, 179, 192, 0.22), transparent 62%),
    linear-gradient(155deg, #0B1B3A 0%, #132A55 56%, #075E43 100%);
  color: var(--c-paper);
}

.page-contact .fc-hero-frame {
  position: relative;
  width: min(var(--wrap), calc(100% - 2 * var(--pad)));
  margin: 0 auto;
  padding: clamp(24px, 4vw, 54px);
  border: 1px solid rgba(201, 209, 217, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(247, 244, 236, 0.07), rgba(247, 244, 236, 0.015));
}

.page-contact .fc-hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--c-orange), var(--c-orange-soft) 38%, rgba(201, 209, 217, 0.3) 70%, transparent);
}

.page-contact .fc-hero-frame::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 9px;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, rgba(247, 244, 236, 0.4) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

.page-contact .fc-hero-inner {
  display: grid;
  gap: clamp(26px, 4vw, 50px);
  align-items: center;
}

.page-contact .fc-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: 0.82rem;
  color: rgba(247, 244, 236, 0.62);
}

.page-contact .fc-hero .breadcrumb a {
  color: rgba(247, 244, 236, 0.88);
  text-decoration: none;
  border-bottom: 1px solid rgba(247, 244, 236, 0.3);
}

.page-contact .fc-hero .eyebrow {
  margin: 0 0 12px;
  color: var(--c-orange-soft);
}

.page-contact .fc-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(1.95rem, 6vw, 4rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-contact .fc-hero .lede {
  max-width: 34em;
  margin: 0 0 26px;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.75;
  color: rgba(247, 244, 236, 0.82);
}

.page-contact .fc-hero-actions,
.page-contact .fc-channel-actions,
.page-contact .fc-location-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .fc-hero-media {
  position: relative;
  margin: 0;
  border: 1px solid rgba(201, 209, 217, 0.3);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: rgba(11, 27, 58, 0.55);
}

.page-contact .fc-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .fc-hero-media .media-caption {
  padding: 10px 14px 12px;
  font-size: 0.78rem;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.66);
  border-top: 1px solid rgba(201, 209, 217, 0.18);
}

/* ---------- 通用小节标题 ---------- */
.page-contact .fc-head {
  max-width: 800px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .fc-head .eyebrow {
  margin: 0 0 10px;
  color: var(--c-green-deep);
}

.page-contact .fc-head .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3.6vw, 2.35rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-contact .fc-head .lede {
  margin: 0;
  max-width: 46em;
  color: var(--c-slate);
  line-height: 1.75;
}

/* ---------- 渠道总览 ---------- */
.page-contact .fc-channels {
  padding: clamp(44px, 6vw, 88px) 0;
  background: linear-gradient(180deg, var(--c-paper) 0%, rgba(14, 143, 90, 0.06) 100%);
}

.page-contact .fc-channel-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-contact .fc-channel-main,
.page-contact .fc-channel-side {
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  align-content: start;
}

.page-contact .fc-channel-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px);
  border-left: 3px solid var(--c-green);
  border-radius: var(--radius-sm);
}

.page-contact .fc-channel-card--hot {
  border-left-color: var(--c-orange);
}

.page-contact .fc-channel-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--c-slate);
}

.page-contact .fc-channel-card .card-title {
  margin: 0;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  line-height: 1.4;
  font-weight: 800;
}

.page-contact .fc-channel-card .card-body {
  margin: 0;
  color: var(--c-slate);
  line-height: 1.75;
}

.page-contact .fc-channel-value {
  margin: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: clamp(0.92rem, 2.3vw, 1.12rem);
  font-weight: 700;
  color: var(--c-night);
  background: rgba(14, 143, 90, 0.08);
  border: 1px dashed rgba(14, 143, 90, 0.42);
  border-radius: var(--radius-sm);
  overflow-wrap: anywhere;
}

.page-contact .fc-channel-value a {
  color: inherit;
  text-decoration: none;
}

.page-contact .fc-channel-value--hot {
  background: rgba(240, 90, 40, 0.08);
  border-color: rgba(240, 90, 40, 0.44);
}

.page-contact .fc-legend {
  position: relative;
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid rgba(201, 209, 217, 0.26);
  border-radius: var(--radius);
  background:
    radial-gradient(110% 90% at 100% 0%, rgba(14, 143, 90, 0.45), transparent 62%),
    linear-gradient(165deg, #0B1B3A, #132A55);
  color: var(--c-paper);
  box-shadow: var(--shadow-paper);
}

.page-contact .fc-legend-svg {
  display: block;
  width: 100%;
  max-width: 240px;
  height: auto;
  margin: 0 0 14px;
}

.page-contact .fc-legend-title {
  margin: 0 0 6px;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .fc-legend-note {
  margin: 0 0 12px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.62);
}

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

.page-contact .fc-legend-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid rgba(201, 209, 217, 0.16);
  font-size: 0.93rem;
  line-height: 1.5;
}

.page-contact .fc-legend-row:last-child {
  border-bottom: 0;
}

.page-contact .fc-legend-target {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--c-orange-soft);
  white-space: nowrap;
}

/* ---------- 咨询分类 ---------- */
.page-contact .fc-topics {
  padding: clamp(42px, 6vw, 84px) 0;
  background: linear-gradient(180deg, rgba(14, 143, 90, 0.05), var(--c-paper));
}

.page-contact .fc-accordion {
  display: grid;
  gap: 10px;
}

.page-contact .fc-accordion .accordion-item {
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-green);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}

.page-contact .fc-accordion-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .fc-accordion .accordion-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  width: 100%;
  padding: 15px 18px;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: clamp(0.98rem, 2.2vw, 1.08rem);
  font-weight: 800;
  text-align: left;
  color: var(--c-night);
  cursor: pointer;
  transition: background 200ms var(--ease);
}

.page-contact .fc-accordion .accordion-trigger:hover {
  background: rgba(14, 143, 90, 0.06);
}

.page-contact .fc-accordion-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-contact .fc-accordion .accordion-panel {
  padding: 0 18px 18px 18px;
}

.page-contact .fc-panel-lead {
  margin: 0;
  max-width: 62em;
  color: var(--c-slate);
  line-height: 1.8;
}

/* ---------- 邮件标题规范 ---------- */
.page-contact .fc-template {
  padding: clamp(42px, 6vw, 84px) 0;
  background: linear-gradient(160deg, rgba(11, 27, 58, 0.035), rgba(14, 143, 90, 0.08));
}

.page-contact .fc-template-shell {
  display: grid;
  gap: clamp(24px, 3.6vw, 42px);
  align-items: start;
}

.page-contact .fc-template-copy .eyebrow {
  margin: 0 0 10px;
  color: var(--c-green-deep);
}

.page-contact .fc-template-copy .section-title {
  margin: 0 0 16px;
  font-size: clamp(1.45rem, 3.4vw, 2.2rem);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-contact .fc-template-lede {
  margin: 0 0 14px;
  max-width: 40em;
  color: var(--c-slate);
  line-height: 1.8;
}

.page-contact .fc-template-card {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--c-silver);
  border-radius: var(--radius);
  background: linear-gradient(170deg, #0B1B3A 0%, #132A55 62%, #075E43 100%);
  color: var(--c-paper);
  box-shadow: var(--shadow-paper);
}

.page-contact .fc-template-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px dashed rgba(201, 209, 217, 0.26);
  border-radius: calc(var(--radius) - 6px);
  pointer-events: none;
}

.page-contact .fc-template-tag {
  position: relative;
  display: inline-block;
  margin: 0 0 18px;
  padding: 4px 13px;
  border-radius: 999px;
  background: var(--c-orange);
  color: #0B1B3A;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-contact .fc-template-fields {
  position: relative;
  margin: 0 0 22px;
}

.page-contact .fc-template-field {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(201, 209, 217, 0.18);
}

.page-contact .fc-template-field:last-child {
  border-bottom: 0;
}

.page-contact .fc-template-field dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--c-orange-soft);
}

.page-contact .fc-template-field dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.9);
}

.page-contact .fc-template-card .copy-btn {
  position: relative;
}

/* ---------- 合作与媒体联络 ---------- */
.page-contact .fc-partners {
  padding: clamp(42px, 6vw, 84px) 0;
  background: var(--c-paper);
}

.page-contact .fc-partner-grid {
  align-items: stretch;
}

.page-contact .fc-partner-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 28px);
  border-top: 3px solid var(--c-green);
  border-radius: var(--radius-sm);
}

.page-contact .fc-partner-card:nth-child(2) {
  border-top-color: var(--c-orange);
}

.page-contact .fc-partner-card:nth-child(3) {
  border-top-color: var(--c-cyan);
}

.page-contact .fc-partner-card .card-title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 800;
  line-height: 1.4;
}

.page-contact .fc-partner-card .card-body {
  margin: 0;
  color: var(--c-slate);
  line-height: 1.78;
}

/* ---------- 响应说明 ---------- */
.page-contact .fc-response {
  padding: clamp(42px, 6vw, 84px) 0;
  background: linear-gradient(150deg, #0B1B3A 0%, #132A55 58%, #075E43 100%);
  color: var(--c-paper);
}

.page-contact .fc-response-head {
  max-width: 760px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .fc-response-head .eyebrow {
  margin: 0 0 10px;
  color: var(--c-cyan);
}

.page-contact .fc-response-head .section-title {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.18;
  font-weight: 900;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-contact .fc-response-head .lede {
  margin: 0;
  color: rgba(247, 244, 236, 0.72);
  line-height: 1.75;
}

.page-contact .fc-response-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(201, 209, 217, 0.2);
}

.page-contact .fc-response-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.5vw, 30px);
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid rgba(201, 209, 217, 0.2);
}

.page-contact .fc-response-step {
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1;
  padding-top: 4px;
  color: var(--c-orange);
}

.page-contact .fc-response-title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--c-paper);
}

.page-contact .fc-response-item p {
  margin: 0;
  max-width: 62em;
  line-height: 1.78;
  color: rgba(247, 244, 236, 0.76);
}

/* ---------- 地址与备案 ---------- */
.page-contact .fc-location {
  padding: clamp(42px, 6vw, 84px) 0 clamp(48px, 7vw, 96px);
  background: linear-gradient(180deg, var(--c-paper) 0%, rgba(201, 209, 217, 0.22) 100%);
}

.page-contact .fc-location-shell {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-contact .fc-location-media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--c-silver);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-paper);
}

.page-contact .fc-location-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius) - 8px);
  object-fit: cover;
}

.page-contact .fc-location-copy .eyebrow {
  margin: 0 0 10px;
  color: var(--c-green-deep);
}

.page-contact .fc-location-copy .section-title {
  margin: 0 0 14px;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-contact .fc-location-address {
  margin: 0 0 20px;
  font-size: clamp(1.1rem, 2.6vw, 1.5rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-night);
  padding-left: 16px;
  border-left: 4px solid var(--c-orange);
}

.page-contact .fc-location-meta {
  margin: 0 0 20px;
  border-top: 1px solid var(--c-line);
}

.page-contact .fc-location-meta > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .fc-location-meta dt {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}

.page-contact .fc-location-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-night);
  overflow-wrap: anywhere;
}

.page-contact .fc-location-note {
  margin: 0 0 18px;
  max-width: 42em;
  color: var(--c-slate);
  line-height: 1.8;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 640px) {
  .page-contact .fc-accordion .accordion-trigger {
    padding: 17px 22px;
  }

  .page-contact .fc-accordion .accordion-panel {
    padding: 0 22px 20px 60px;
  }
}

@media (min-width: 900px) {
  .page-contact .fc-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-contact .fc-channel-grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .fc-template-shell {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  }

  .page-contact .fc-location-shell {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .fc-channel-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .fc-response-item {
    grid-template-columns: 72px minmax(0, 1fr);
  }
}

@media (max-width: 420px) {
  .page-contact .fc-hero-frame {
    padding: 22px 18px 30px;
  }

  .page-contact .fc-legend-row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-contact .fc-location-meta > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}