.page-contact {
  --ct-gap: clamp(18px, 2.4vw, 30px);
  --ct-pad: clamp(20px, 2.8vw, 32px);
  --ct-r: clamp(20px, 2.4vw, 30px);
  --ct-glow-cyan: radial-gradient(58% 62% at 16% 28%, rgba(41, 230, 214, 0.20), rgba(41, 230, 214, 0) 72%);
  --ct-glow-coral: radial-gradient(52% 58% at 86% 10%, rgba(255, 107, 74, 0.16), rgba(255, 107, 74, 0) 74%);
  position: relative;
  overflow-x: clip;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact .ct-hero,
.page-contact .ct-coop,
.page-contact .ct-contact,
.page-contact .ct-hours-sec,
.page-contact .ct-scope,
.page-contact .ct-tail {
  padding-block: clamp(38px, 5.6vw, 68px);
}

.page-contact .ct-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 46px) clamp(38px, 5.4vw, 66px);
  overflow: hidden;
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 78%;
  background-image: var(--ct-glow-cyan), var(--ct-glow-coral);
  pointer-events: none;
  z-index: 0;
}

.page-contact .ct-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-hero-copy {
  display: grid;
  gap: 16px;
  justify-items: start;
}

.page-contact .ct-hero-copy > .tag {
  margin-bottom: 2px;
}

.page-contact .ct-hero-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.72rem, 6.2vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--white);
  text-wrap: balance;
}

.page-contact .ct-hero-copy .lead {
  margin: 0;
  font-size: clamp(0.95rem, 2.2vw, 1.06rem);
  line-height: 1.78;
  color: var(--grey-400);
  max-width: 56ch;
}

.page-contact .ct-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .ct-hero-visual {
  position: relative;
  margin: 0;
  border-radius: var(--ct-r);
  overflow: hidden;
  border: var(--line);
  background: var(--sea-800);
  box-shadow: var(--shadow-deep);
}

.page-contact .ct-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 20, 36, 0) 45%, rgba(6, 20, 36, 0.5) 100%);
  pointer-events: none;
}

.page-contact .ct-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .ct-hero-facts {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: var(--ct-gap) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(152px, 1fr));
  gap: 10px;
}

.page-contact .ct-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: var(--line-soft);
  background: rgba(18, 50, 79, 0.42);
}

.page-contact .ct-hero-facts strong {
  font-family: var(--font-mono);
  font-size: 1.42rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.1;
  color: var(--cyan);
}

.page-contact .ct-hero-facts span {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--grey-400);
}

/* ---------- 合作方向 ---------- */

.page-contact .ct-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-contact .ct-chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(41, 230, 214, 0.28);
  background: rgba(18, 50, 79, 0.55);
  color: var(--white);
  font-size: 0.85rem;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .ct-chip:hover,
.page-contact .ct-chip:focus-visible {
  background: rgba(41, 230, 214, 0.16);
  border-color: var(--cyan);
  color: var(--white);
}

.page-contact .ct-coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-coop-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--ct-pad);
  border-radius: var(--ct-r);
  scroll-margin-top: 120px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .ct-coop-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(41, 230, 214, 0));
  opacity: 0.85;
}

.page-contact .ct-coop-card:nth-child(even)::after {
  background: linear-gradient(90deg, var(--coral), rgba(255, 107, 74, 0));
}

.page-contact .ct-coop-card:target {
  border-color: rgba(41, 230, 214, 0.62);
  box-shadow: 0 0 0 1px rgba(41, 230, 214, 0.34), var(--shadow-deep);
}

.page-contact .ct-coop-card h3 {
  margin: 0;
  font-size: clamp(1.1rem, 2.2vw, 1.3rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .ct-coop-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--grey-400);
}

.page-contact .ct-coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .ct-coop-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.88rem;
  line-height: 1.62;
  color: rgba(244, 248, 251, 0.82);
}

.page-contact .ct-coop-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(41, 230, 214, 0.14);
}

.page-contact .ct-coop-link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 230, 214, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-coop-link:hover,
.page-contact .ct-coop-link:focus-visible {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 联系方式 ---------- */

.page-contact .ct-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-channels {
  display: grid;
  gap: var(--ct-gap);
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: var(--ct-pad);
  border-radius: var(--ct-r);
}

.page-contact .ct-channel-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 7vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.015em;
  line-height: 1.12;
  color: var(--coral);
  text-shadow: 0 0 28px rgba(255, 107, 74, 0.3);
  word-break: keep-all;
}

.page-contact .ct-channel-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.86rem, 3.6vw, 1.06rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .ct-channel-addr {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .ct-channel-desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--grey-400);
}

.page-contact .ct-contact-side {
  display: grid;
  gap: var(--ct-gap);
  align-content: start;
}

.page-contact .ct-signal {
  position: relative;
  margin: 0;
  border-radius: var(--ct-r);
  overflow: hidden;
  border: var(--line);
  background: var(--sea-800);
}

.page-contact .ct-signal img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-side-card {
  padding: var(--ct-pad);
  border-radius: var(--ct-r);
  border: var(--line-soft);
  background: rgba(11, 34, 56, 0.72);
}

.page-contact .ct-side-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
}

.page-contact .ct-side-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 15px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(126, 147, 166, 0.14);
  background: rgba(18, 50, 79, 0.6);
  color: var(--white);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .ct-side-links a::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
  flex: none;
}

.page-contact .ct-side-links a:hover,
.page-contact .ct-side-links a:focus-visible {
  background: rgba(41, 230, 214, 0.12);
  border-color: rgba(41, 230, 214, 0.45);
  transform: translateX(2px);
}

/* ---------- 响应时间 ---------- */

.page-contact .ct-hours-sec {
  background: linear-gradient(180deg,
    rgba(11, 34, 56, 0) 0%,
    rgba(11, 34, 56, 0.74) 16%,
    rgba(11, 34, 56, 0.74) 84%,
    rgba(11, 34, 56, 0) 100%);
}

.page-contact .ct-hours-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: center;
}

.page-contact .ct-clock {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: var(--line);
  background: rgba(6, 20, 36, 0.72);
}

.page-contact .ct-clock-num {
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 3.2vw, 1.34rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--cyan);
  white-space: nowrap;
}

.page-contact .ct-clock-track {
  position: relative;
  flex: 1;
  height: 6px;
  border-radius: var(--r-pill);
  overflow: hidden;
  background: rgba(36, 59, 79, 0.92);
}

.page-contact .ct-clock-track > span {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), var(--coral));
  animation: ct-breathe 3.4s var(--ease) infinite;
}

@keyframes ct-breathe {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.page-contact .ct-hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-hours-list li {
  display: grid;
  gap: 5px;
  padding: 16px 18px;
  border-radius: var(--r-md);
  border: var(--line-soft);
  background: rgba(6, 20, 36, 0.5);
}

.page-contact .ct-hours-list strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.page-contact .ct-hours-list span {
  font-size: 0.86rem;
  line-height: 1.68;
  color: var(--grey-400);
}

/* ---------- 服务范围 ---------- */

.page-contact .ct-scope-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-scope-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 9px;
  padding: 22px 20px;
  border-radius: var(--r-md);
  border: var(--line-soft);
  border-top: 2px solid rgba(41, 230, 214, 0.5);
  background: rgba(18, 50, 79, 0.45);
}

.page-contact .ct-scope-card:nth-child(2) { border-top-color: rgba(255, 107, 74, 0.62); }
.page-contact .ct-scope-card:nth-child(3) { border-top-color: rgba(255, 212, 71, 0.55); }
.page-contact .ct-scope-card:nth-child(4) { border-top-color: rgba(126, 147, 166, 0.55); }

.page-contact .ct-scope-card h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .ct-scope-card p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--grey-400);
  word-break: break-word;
}

.page-contact .ct-scope-card .ct-coop-link {
  margin-top: 6px;
}

/* ---------- 收束 ---------- */

.page-contact .ct-tail-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: center;
  padding: var(--ct-pad);
  border-radius: var(--ct-r);
  border: var(--line);
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(255, 107, 74, 0.13), rgba(255, 107, 74, 0) 62%),
    rgba(11, 34, 56, 0.84);
}

.page-contact .ct-tail-main {
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-contact .ct-tail-main .section-title {
  margin: 0;
}

.page-contact .ct-tail-main p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--grey-400);
}

.page-contact .ct-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-contact .ct-tail-meta {
  display: grid;
  gap: 10px;
}

.page-contact .ct-tail-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  border: var(--line-soft);
  background: rgba(6, 20, 36, 0.55);
}

.page-contact .ct-tail-key {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--grey-400);
}

.page-contact .ct-tail-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
}

/* ---------- 断点 ---------- */

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

@media (min-width: 960px) {
  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(28px, 3.4vw, 48px);
    align-items: center;
  }
  .page-contact .ct-contact-grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    gap: clamp(24px, 3vw, 40px);
  }
  .page-contact .ct-hours-panel {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(24px, 3vw, 40px);
  }
  .page-contact .ct-tail-card {
    grid-template-columns: minmax(0, 1.24fr) minmax(0, 0.76fr);
    gap: clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 1120px) {
  .page-contact .ct-scope-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-clock-track > span {
    animation: none;
    opacity: 1;
  }
  .page-contact .ct-side-links a:hover,
  .page-contact .ct-side-links a:focus-visible {
    transform: none;
  }
}