.page-contact {
  --rail-w: 350px;
  --line-q: rgba(242, 233, 216, 0.16);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .coop-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 30px);
  align-items: start;
}

/* ---------- 左侧联系轨道 ---------- */
.page-contact .coop-rail {
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-700) 0%, var(--ink-850) 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .coop-rail .eyebrow {
  margin: 0;
  color: var(--amber);
  letter-spacing: 0.14em;
}

.page-contact .coop-rail__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.6vw, 2.05rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .coop-rail__lede {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: rgba(242, 233, 216, 0.76);
}

.page-contact .rail-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-contact .rail-item__label {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .rail-item__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .rail-item__value--mail {
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .rail-item__value--addr {
  font-family: var(--font-body);
  font-size: 0.93rem;
  line-height: 1.7;
}

.page-contact .rail-item__note {
  margin: 0;
  font-size: 0.79rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 工作时间状态灯 ---------- */
.page-contact .status-lamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: flex-start;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--cyan-soft);
  padding: 9px 13px;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .status-lamp--wide {
  align-self: stretch;
  justify-content: flex-start;
}

.page-contact .status-lamp__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 242, 208, 0.18);
  animation: pc-pulse 2.4s ease-in-out infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---------- 首图 ---------- */
.page-contact .coop-hero {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-contact .coop-hero .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-contact .coop-section {
  margin-top: clamp(28px, 4.5vw, 44px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-section .band {
  margin-bottom: 16px;
}

.page-contact .sec-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.page-contact .sec-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1;
  padding-top: 3px;
  color: var(--amber);
}

.page-contact .sec-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 2.7vw, 1.55rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .sec-desc {
  margin: 0;
  max-width: 60ch;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(242, 233, 216, 0.68);
}

/* ---------- 01 合作方向 ---------- */
.page-contact .dir-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .dir-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--clay);
  border-radius: var(--radius);
  background: var(--ink-850);
  padding: 18px 18px 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-left-color 0.25s ease;
}

.page-contact .dir-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
  border-left-color: var(--cyan);
}

.page-contact .dir-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .dir-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .dir-card__fit {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: rgba(53, 242, 208, 0.78);
}

/* ---------- 02 面板咨询邮件 ---------- */
.page-contact .mail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .mail-example {
  background: var(--paper);
  color: var(--ink-800);
  padding: clamp(18px, 3vw, 24px);
  box-shadow: var(--shadow-hard);
}

.page-contact .mail-example__label {
  margin: 0 0 8px;
  font-size: 0.71rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-contact .mail-example__subject {
  margin: 0 0 20px;
  padding: 12px 14px;
  border: 1px solid rgba(11, 31, 26, 0.22);
  border-left: 4px solid var(--clay);
  background: rgba(184, 107, 75, 0.08);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--ink-800);
  word-break: break-word;
}

.page-contact .mail-list {
  margin: 0;
  padding-left: 1.15em;
  display: grid;
  gap: 9px;
  font-size: 0.86rem;
  line-height: 1.72;
  color: rgba(11, 31, 26, 0.84);
}

.page-contact .mail-list li::marker {
  font-family: var(--font-mono);
  color: var(--clay);
}

.page-contact .mail-side h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .mail-side h3 + p {
  margin-top: 0;
}

.page-contact .mail-side p {
  margin: 0 0 18px;
  font-size: 0.87rem;
  line-height: 1.78;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .mail-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .mail-bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.86rem;
  line-height: 1.72;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .mail-bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  color: var(--amber);
}

/* ---------- 03 电话与时间 ---------- */
.page-contact .phone-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .phone-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: radial-gradient(circle at 15% 0%, rgba(53, 242, 208, 0.16), transparent 62%), var(--ink-700);
  box-shadow: var(--shadow-hard);
  padding: 22px;
}

.page-contact .phone-card .eyebrow {
  margin: 0;
  color: var(--amber);
  letter-spacing: 0.16em;
}

.page-contact .phone-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.42rem, 4.8vw, 1.95rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .phone-card__time {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.75;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .phone-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-contact .phone-list li {
  border-left: 2px solid var(--line-strong);
  padding: 4px 0 4px 14px;
  font-size: 0.86rem;
  line-height: 1.76;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .phone-list strong {
  display: block;
  margin-bottom: 3px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 04 地址 ---------- */
.page-contact .addr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .addr-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  padding: 20px;
}

.page-contact .addr-card__label {
  margin: 0;
  font-size: 0.71rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .addr-card__text {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .addr-card__note {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.74;
  color: var(--stone);
}

.page-contact .addr-map {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 100%);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  overflow: hidden;
}

.page-contact .addr-map__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .addr-map__cap {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--stone);
}

/* ---------- 05 流程 ---------- */
.page-contact .flow-track {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-node {
  position: relative;
  margin-left: 10px;
  padding: 0 0 24px 36px;
  border-left: 1px solid var(--line);
}

.page-contact .flow-node:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-contact .flow-node__idx {
  position: absolute;
  left: -14px;
  top: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--amber);
}

.page-contact .flow-node h3 {
  margin: 4px 0 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .flow-node p {
  margin: 0;
  max-width: 56ch;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(242, 233, 216, 0.72);
}

.page-contact .flow-fig {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-contact .flow-fig .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 延伸入口 ---------- */
.page-contact .coop-next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: clamp(28px, 4.5vw, 44px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-contact .next-card {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: baseline;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-850);
  padding: 14px 16px;
  text-decoration: none;
  transition: border-color 0.22s ease, transform 0.22s ease, background 0.22s ease;
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  border-color: var(--line-strong);
  background: var(--ink-700);
  transform: translateY(-2px);
}

.page-contact .next-card__k {
  grid-row: 1 / span 2;
  font-size: 0.78rem;
  color: var(--amber);
}

.page-contact .next-card__t {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .next-card__d {
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--stone);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .phone-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-contact .addr-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
  }
}

@media (min-width: 1000px) {
  .page-contact .coop-layout {
    grid-template-columns: minmax(280px, var(--rail-w)) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 48px);
  }

  .page-contact .coop-rail {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .status-lamp__dot {
    animation: none;
  }

  .page-contact .dir-card,
  .page-contact .next-card {
    transition: none;
  }

  .page-contact .dir-card:hover,
  .page-contact .next-card:hover {
    transform: none;
  }
}