.page-contact {
  --c-side-w: 336px;
  display: block;
  background:
    radial-gradient(1100px 520px at 84% -6%, rgba(63, 240, 214, .10), transparent 62%),
    radial-gradient(760px 420px at 2% 10%, rgba(255, 79, 163, .07), transparent 66%);
}

.page-contact .c-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
  margin-bottom: 20px;
}

.page-contact .c-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .c-crumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .c-kicker {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .c-hero {
  position: relative;
  padding: 30px 0 46px;
  overflow: hidden;
}

.page-contact .c-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .55;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(154, 169, 199, .045) 0 1px,
    transparent 1px 4px
  );
}

.page-contact .c-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .c-hero-copy {
  min-width: 0;
}

.page-contact .c-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.08;
  font-size: clamp(30px, 7.2vw, 54px);
  color: var(--white);
  margin: 14px 0 18px;
  max-width: 15em;
}

.page-contact .c-hero .lead {
  max-width: 34em;
}

.page-contact .c-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-contact .c-hero-media {
  margin: 0;
  width: 100%;
}

.page-contact .c-hero-media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-contact .c-hero {
    padding: 46px 0 62px;
  }

  .page-contact .c-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
  }
}

/* ---------- 主体两栏外壳 ---------- */

.page-contact .c-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-bottom: 56px;
}

.page-contact .c-main {
  min-width: 0;
}

.page-contact .c-main .section + .section {
  margin-top: 48px;
}

.page-contact .c-side {
  min-width: 0;
}

@media (min-width: 1080px) {
  .page-contact .c-shell {
    grid-template-columns: minmax(0, 1fr) var(--c-side-w);
    gap: 54px;
    align-items: start;
  }

  .page-contact .c-side-inner {
    position: sticky;
    top: 24px;
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .c-dir-grid {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .c-dir-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(30, 39, 69, .92), rgba(18, 26, 51, .88));
  overflow: hidden;
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .c-dir-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-bar, var(--cyan)), transparent 88%);
}

.page-contact .c-dir-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-contact .c-dir-card--cyan { --c-bar: var(--cyan); }
.page-contact .c-dir-card--amber { --c-bar: var(--amber); }
.page-contact .c-dir-card--magenta { --c-bar: var(--magenta); }

.page-contact .c-dir-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--c-bar, var(--cyan));
  background: rgba(63, 240, 214, .08);
  border: 1px solid color-mix(in srgb, var(--c-bar, var(--cyan)) 36%, transparent);
}

.page-contact .c-dir-card h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 16px 0 10px;
}

.page-contact .c-dir-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .c-dir-facts {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .c-dir-facts > div {
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-contact .c-dir-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
  margin-bottom: 3px;
}

.page-contact .c-dir-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

@media (min-width: 740px) {
  .page-contact .c-dir-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ---------- 对接流程 ---------- */

.page-contact .c-track {
  margin: 28px 0 22px;
}

.page-contact .c-track svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 64px;
}

.page-contact .c-flow-media {
  margin: 0 0 26px;
  width: 100%;
}

.page-contact .c-flow-media img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-contact .c-step {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 26, 51, .66);
  overflow: hidden;
  transition: border-color .3s var(--ease);
}

.page-contact .c-step:hover {
  border-color: var(--line-strong);
}

.page-contact .c-step-head {
  width: 100%;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px 14px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.page-contact .c-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 13px;
  color: var(--cyan);
  background: rgba(63, 240, 214, .08);
  border: 1px solid rgba(63, 240, 214, .34);
}

.page-contact .c-step-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -.005em;
  color: var(--white);
}

.page-contact .c-step-time {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--amber);
  white-space: nowrap;
}

.page-contact .c-step-body {
  margin: 0 18px 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-contact .c-step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

@media (max-width: 620px) {
  .page-contact .c-step-head {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .page-contact .c-step-time {
    grid-column: 2;
    white-space: normal;
  }
}

/* ---------- 准备清单 ---------- */

.page-contact .c-checklist {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .c-checklist li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(18, 26, 51, .5);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--white);
}

.page-contact .c-checklist li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border-radius: 5px;
  border: 1.5px solid rgba(63, 240, 214, .6);
  background: linear-gradient(135deg, rgba(63, 240, 214, .18), rgba(63, 240, 214, 0));
  box-shadow: inset 0 0 0 3px rgba(11, 16, 32, .92);
}

@media (min-width: 740px) {
  .page-contact .c-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
  }
}

/* ---------- 服务时间 ---------- */

.page-contact .c-hours-box {
  position: relative;
  padding: 32px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(620px 300px at 10% 0%, rgba(255, 194, 75, .10), transparent 62%),
    radial-gradient(520px 280px at 96% 100%, rgba(255, 79, 163, .08), transparent 66%),
    linear-gradient(150deg, rgba(30, 39, 69, .92), rgba(18, 26, 51, .84));
}

.page-contact .c-hours-box h2 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.015em;
  font-size: clamp(22px, 4vw, 30px);
  color: var(--white);
  margin: 12px 0 12px;
}

.page-contact .c-hours-box .lead {
  max-width: 40em;
}

.page-contact .c-hours-grid {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .c-hours-item {
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 16, 32, .5);
}

.page-contact .c-hours-item p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .c-hours-num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3.6vw, 30px);
  letter-spacing: -.01em;
  color: var(--cyan);
}

.page-contact .c-hours-item--amber .c-hours-num { color: var(--amber); }
.page-contact .c-hours-item--magenta .c-hours-num { color: var(--magenta); }

.page-contact .c-hours-label {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-contact .c-hours-box {
    padding: 40px 34px;
  }

  .page-contact .c-hours-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 联系面板 ---------- */

.page-contact .c-contact {
  padding: 26px 22px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  background:
    linear-gradient(160deg, rgba(30, 39, 69, .96), rgba(18, 26, 51, .94)) padding-box,
    linear-gradient(150deg, rgba(63, 240, 214, .55), rgba(255, 79, 163, .26) 55%, rgba(255, 194, 75, .38)) border-box;
  box-shadow: var(--shadow-deep);
}

.page-contact .c-contact-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 10px 0 8px;
}

.page-contact .c-contact-lead {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .c-channels {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .c-channel {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .c-channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .c-ch-label {
  display: block;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
  margin-bottom: 5px;
}

.page-contact .c-ch-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14.5px;
  letter-spacing: .01em;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .c-ch-value--text {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
  word-break: normal;
}

.page-contact .c-ch-note {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .c-side-foot {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
}

@media (min-width: 1080px) {
  .page-contact .c-contact {
    padding: 30px 26px 24px;
  }
}