.page-contact {
  --c-shadow: 0 14px 34px rgba(11, 43, 38, 0.10);
  --c-line: rgba(212, 166, 74, 0.42);
}

.page-contact .breadcrumb {
  padding-top: clamp(12px, 2vw, 20px);
}

/* 首屏 */
.page-contact .c-hero {
  padding-block: clamp(10px, 2vw, 22px) clamp(36px, 6vw, 76px);
}

.page-contact .c-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-contact h1 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 10px 0 16px;
  color: var(--ink);
}

.page-contact .c-lead {
  margin: 0 0 4px;
  font-size: clamp(15px, 2.2vw, 16.5px);
  line-height: 1.8;
  max-width: 62ch;
  color: var(--ink);
  opacity: 0.82;
}

.page-contact .c-hero-copy .c-lead {
  margin-bottom: 22px;
}

.page-contact .c-quick {
  display: grid;
  gap: 10px;
  margin-bottom: 22px;
}

.page-contact .c-quick-item {
  display: grid;
  gap: 4px;
  padding: 12px 16px;
  background: var(--warm);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
}

.page-contact .c-quick-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--grey-jade);
}

.page-contact .c-quick-val {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--jade);
  word-break: break-all;
}

.page-contact .c-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .c-hero-visual {
  position: relative;
}

.page-contact .c-hero-visual .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--c-shadow);
}

.page-contact .c-hero-svg {
  position: absolute;
  right: 5%;
  bottom: 6%;
  width: 42%;
  max-width: 200px;
  color: var(--gold);
  opacity: 0.55;
  pointer-events: none;
}

/* 区块标题 */
.page-contact .c-title {
  font-family: var(--font-head);
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  line-height: 1.24;
  margin: 8px 0 12px;
  color: var(--ink);
}

/* 渠道卡与工单 */
.page-contact .c-channels-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .c-stack {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-contact .c-card {
  position: relative;
  background: var(--tile);
  border: 1px solid var(--edge-ink);
  border-radius: var(--radius);
  padding: 20px 20px 20px 26px;
  box-shadow: 0 8px 20px rgba(11, 43, 38, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-contact .c-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 4px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--jade), var(--jade-bright));
}

.page-contact .c-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(11, 43, 38, 0.15);
}

.page-contact .c-card-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cinnabar);
}

.page-contact .c-card-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.1rem);
  line-height: 1.55;
  color: var(--ink);
  word-break: break-all;
}

.page-contact .c-card-note {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.7;
}

.page-contact .c-desk {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  padding: clamp(22px, 3.4vw, 34px);
  color: var(--warm);
  background:
    radial-gradient(130% 100% at 100% 0%, rgba(47, 165, 138, 0.30), transparent 58%),
    linear-gradient(158deg, var(--table-green) 0%, #123f36 62%, #0d332c 100%);
  border: 1px solid var(--c-line);
  box-shadow: var(--c-shadow);
}

.page-contact .c-desk::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 240px;
  height: 240px;
  background-image:
    linear-gradient(rgba(212, 166, 74, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 166, 74, 0.16) 1px, transparent 1px);
  background-size: 32px 32px;
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-contact .c-desk > * {
  position: relative;
  z-index: 1;
}

.page-contact .c-desk-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  line-height: 1.3;
  color: var(--warm);
}

.page-contact .c-desk-sub {
  margin: 0 0 24px;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(255, 249, 239, 0.74);
}

.page-contact .ticket-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ticket-steps::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, rgba(212, 166, 74, 0.72), rgba(212, 166, 74, 0.12));
}

.page-contact .c-step {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  align-items: start;
}

.page-contact .c-step-no {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--jade);
  color: var(--warm);
  border: 1px solid var(--c-line);
  z-index: 1;
}

.page-contact .c-step--key .c-step-no {
  background: var(--cinnabar);
}

.page-contact .c-step-body h3 {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--warm);
}

.page-contact .c-step-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(255, 249, 239, 0.74);
}

/* 回复节奏 */
.page-contact .c-hours {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-contact .c-hours-media .media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--c-shadow);
}

.page-contact .c-hours-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-contact .c-hours-item {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(20, 107, 90, 0.28);
}

.page-contact .c-hours-item:last-child {
  border-bottom: 0;
}

.page-contact .c-hours-key {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--cinnabar);
}

.page-contact .c-hours-val {
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
  opacity: 0.85;
}

/* 地址与备案 */
.page-contact .section--table .c-title {
  color: var(--warm);
}

.page-contact .section--table .c-lead {
  color: rgba(255, 249, 239, 0.76);
  opacity: 1;
}

.page-contact .c-legal-grid {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-contact .c-legal-item {
  padding: 20px 22px;
  border-radius: var(--radius);
  background: rgba(255, 249, 239, 0.06);
  border: 1px solid var(--c-line);
}

.page-contact .c-legal-label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .c-legal-value {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--warm);
  word-break: break-word;
}

.page-contact .c-legal-value--mono {
  font-family: var(--font-mono);
}

.page-contact .c-legal-foot {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(255, 249, 239, 0.72);
}

.page-contact .c-legal-foot a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .c-legal-foot a:hover {
  color: var(--jade-bright);
}

/* 合作咨询 */
.page-contact .c-coop-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .c-coop-card {
  background: var(--warm);
  border: 1px solid var(--edge-ink);
  border-top: 3px solid var(--jade);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: border-top-color 0.25s ease, transform 0.25s ease;
}

.page-contact .c-coop-card:hover {
  border-top-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .c-coop-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  color: var(--ink);
}

.page-contact .c-coop-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
  opacity: 0.72;
}

.page-contact .c-subject {
  margin-top: 22px;
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: var(--mist);
  border: 1px dashed rgba(20, 107, 90, 0.4);
}

.page-contact .c-subject-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--jade);
}

.page-contact .c-subject-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-all;
}

/* 快速入口 */
.page-contact .c-links {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .c-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--warm);
  border: 1px solid var(--edge-ink);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .c-link:hover {
  border-color: var(--jade-bright);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(11, 43, 38, 0.10);
}

.page-contact .c-link:focus-visible {
  outline: 2px solid var(--jade-bright);
  outline-offset: 3px;
}

.page-contact .c-link-title {
  display: block;
  font-size: 15.5px;
  font-weight: 500;
}

.page-contact .c-link-sub {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.62;
}

.page-contact .c-link-arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--jade);
  flex-shrink: 0;
}

/* 窄屏保护 */
@media (max-width: 600px) {
  .page-contact .c-hero-svg {
    width: 46%;
    right: 4%;
    bottom: 4%;
  }

  .page-contact .c-card {
    padding: 18px 18px 18px 22px;
  }

  .page-contact .c-link {
    align-items: flex-start;
  }
}

/* 平板与桌面 */
@media (min-width: 560px) {
  .page-contact .c-quick {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .c-coop-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 620px) {
  .page-contact .c-hours-item {
    grid-template-columns: 132px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .c-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 820px) {
  .page-contact .c-legal-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (min-width: 880px) {
  .page-contact .c-hours {
    grid-template-columns: 0.92fr 1.08fr;
  }
}

@media (min-width: 900px) {
  .page-contact .c-hero-grid {
    grid-template-columns: 1.02fr 0.98fr;
  }
}

@media (min-width: 960px) {
  .page-contact .c-channels-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .c-card:nth-child(2) {
    margin-inline-start: 24px;
  }

  .page-contact .c-card:nth-child(3) {
    margin-inline-start: 48px;
  }
}

@media (min-width: 1024px) {
  .page-contact .c-coop-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}