.page-contact {
  --cc-accent: var(--lime);
  background:
    radial-gradient(110% 70% at 100% 0%, rgba(47, 134, 214, .16), transparent 62%),
    radial-gradient(90% 60% at 0% 100%, rgba(30, 124, 104, .12), transparent 60%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: clip;
  padding-bottom: clamp(40px, 6vw, 88px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 28px);
}
.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}
.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}
.page-contact .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 首屏 ---------- */
.page-contact .cc-hero {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
  padding: clamp(26px, 5vw, 56px) 0 clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}
.page-contact .cc-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 7.2vw, 76px);
  line-height: 1.02;
  letter-spacing: .01em;
  margin: 14px 0 22px;
  color: var(--paper);
}
.page-contact .cc-hero__title span {
  display: block;
  margin-top: 12px;
  font-size: .44em;
  font-weight: 600;
  letter-spacing: .06em;
  line-height: 1.2;
  color: var(--lime);
}
.page-contact .cc-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--mist);
}

/* ---------- 切角图形框 ---------- */
.page-contact .cc-frame {
  position: relative;
  margin: 0;
  background: var(--ink-800);
  clip-path: polygon(
    var(--notch) 0,
    100% 0,
    100% calc(100% - var(--notch)),
    calc(100% - var(--notch)) 100%,
    0 100%,
    0 var(--notch)
  );
}
.page-contact .cc-frame__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: .92;
  filter: saturate(.82) contrast(1.06);
}
.page-contact .cc-hero__figure {
  position: relative;
}

/* ---------- 联系途径 + 侧栏 ---------- */
.page-contact .cc-grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
  padding: clamp(32px, 5vw, 64px) 0;
}
.page-contact .cc-channels {
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-contact .cc-channels__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 700;
  letter-spacing: .03em;
  line-height: 1.15;
  margin: 0;
}
.page-contact .cc-channels__hint {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .cc-channel {
  --cc-accent: var(--lime);
  position: relative;
  padding: 24px 26px 26px 30px;
  background: linear-gradient(135deg, var(--ink-800) 0%, var(--ink-700) 100%);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .cc-channel::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--cc-accent);
}
.page-contact .cc-channel::after {
  content: "";
  position: absolute;
  top: -1px;
  right: -1px;
  width: 30px;
  height: 30px;
  background: var(--ink-900);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}
.page-contact .cc-channel--tel { --cc-accent: var(--tactic); }
.page-contact .cc-channel--visit { --cc-accent: var(--amber); }

.page-contact .cc-channel:hover,
.page-contact .cc-channel:focus-within {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.page-contact .cc-channel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
}
.page-contact .cc-channel__index {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cc-accent);
  border: 1px solid currentColor;
  padding: 2px 7px;
  line-height: 1.5;
}
.page-contact .cc-channel__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .06em;
  margin: 0;
  color: var(--paper);
}
.page-contact .cc-channel__value {
  display: inline-block;
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--lime);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid rgba(199, 240, 74, .32);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.page-contact a.cc-channel__value:hover,
.page-contact a.cc-channel__value:focus-visible {
  border-bottom-color: var(--lime);
  color: var(--paper);
}
.page-contact .cc-channel__use {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
  opacity: .88;
}
.page-contact .cc-channel__note {
  margin: 12px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .cc-aside {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 28px 24px 30px;
  background: var(--ink-800);
  border-top: 3px solid var(--lime);
}
.page-contact .cc-aside__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 27px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.2;
  margin: 0;
}
.page-contact .cc-aside__lead {
  margin: 0 0 4px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}
.page-contact .cc-selfserve {
  display: block;
  padding: 16px 18px;
  background: var(--ink-700);
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--paper);
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.page-contact .cc-selfserve:hover,
.page-contact .cc-selfserve:focus-visible {
  transform: translateY(-3px);
  border-color: var(--lime);
  background: var(--ink-800);
}
.page-contact .cc-selfserve__k {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--lime);
  margin-bottom: 7px;
}
.page-contact .cc-selfserve__d {
  display: block;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 通用区块 ---------- */
.page-contact .cc-section {
  padding: clamp(40px, 6vw, 76px) 0;
  border-top: 1px solid var(--line);
}
.page-contact .cc-section__head {
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-contact .cc-section__title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .02em;
  margin: 12px 0 0;
  color: var(--paper);
}

/* ---------- 诉求分流 ---------- */
.page-contact .cc-routes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .cc-route {
  padding: 24px 22px 26px;
  background: var(--ink-800);
  transition: background .2s var(--ease);
}
.page-contact .cc-route:hover {
  background: var(--ink-700);
}
.page-contact .cc-route__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: .05em;
  margin: 12px 0 10px;
  color: var(--paper);
}
.page-contact .cc-route__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .cc-partners {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}
.page-contact .cc-partner {
  padding: 26px 24px 28px;
  background: var(--ink-800);
  border-left: 2px solid var(--teal);
  transition: transform .2s var(--ease);
}
.page-contact .cc-partner:nth-child(2) { border-left-color: var(--tactic); }
.page-contact .cc-partner:nth-child(3) { border-left-color: var(--amber); }
.page-contact .cc-partner:nth-child(4) { border-left-color: var(--flare); }
.page-contact .cc-partner:hover {
  transform: translateY(-4px);
}
.page-contact .cc-partner__num {
  display: block;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--mist);
  margin-bottom: 10px;
}
.page-contact .cc-partner__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 23px);
  font-weight: 600;
  letter-spacing: .04em;
  margin: 0 0 10px;
  color: var(--paper);
}
.page-contact .cc-partner__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应节奏 ---------- */
.page-contact .cc-timing {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}
.page-contact .cc-steps {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .cc-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
}
.page-contact .cc-step__num {
  align-self: start;
  margin-top: 3px;
  padding: 3px 7px;
  font-size: 12px;
  letter-spacing: .12em;
  line-height: 1.5;
  color: var(--ink-900);
  background: var(--lime);
}
.page-contact .cc-step__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .04em;
  margin: 0 0 7px;
  color: var(--paper);
}
.page-contact .cc-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .cc-timing__side {
  display: grid;
  gap: 0;
  align-content: start;
}
.page-contact .cc-sla {
  display: grid;
  gap: 1px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .cc-sla__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  background: var(--ink-800);
  font-size: 14px;
}
.page-contact .cc-sla__k {
  color: var(--mist);
}
.page-contact .cc-sla__v {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 收尾色块 ---------- */
.page-contact .cc-cta {
  position: relative;
  margin-top: clamp(34px, 5vw, 60px);
  padding: clamp(34px, 5.5vw, 68px) clamp(24px, 5vw, 64px);
  background:
    linear-gradient(115deg, rgba(199, 240, 74, .1) 0%, transparent 44%),
    linear-gradient(180deg, var(--ink-700) 0%, var(--ink-800) 100%);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - 48px),
    calc(100% - 48px) 100%,
    0 100%
  );
}
.page-contact .cc-cta::before {
  content: "";
  position: absolute;
  left: clamp(24px, 5vw, 64px);
  top: 0;
  width: 96px;
  height: 3px;
  background: var(--lime);
}
.page-contact .cc-cta__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: .02em;
  margin: 0 0 14px;
  color: var(--paper);
}
.page-contact .cc-cta__text {
  margin: 0 0 24px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}
.page-contact .cc-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 栅格与断点 ---------- */
@media (min-width: 640px) {
  .page-contact .cc-routes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .cc-partners {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .cc-hero {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
  .page-contact .cc-hero__figure {
    transform: translateY(-10px);
  }
  .page-contact .cc-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-contact .cc-timing {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .cc-routes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cc-channel,
  .page-contact .cc-partner,
  .page-contact .cc-selfserve,
  .page-contact .cc-route {
    transition: none;
  }
  .page-contact .cc-channel:hover,
  .page-contact .cc-channel:focus-within,
  .page-contact .cc-partner:hover,
  .page-contact .cc-selfserve:hover,
  .page-contact .cc-selfserve:focus-visible,
  .page-contact .cc-hero__figure {
    transform: none;
  }
}