.page-contact {
  --pc-gap: clamp(28px, 5vw, 56px);
  --pc-rule: rgba(245, 246, 240, .12);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding-top: clamp(20px, 4vw, 34px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-slate);
}

.page-contact .breadcrumb-list li {
  display: flex;
  align-items: center;
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-slate);
  opacity: .6;
}

.page-contact .breadcrumb-list a {
  color: var(--c-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .breadcrumb-list a:hover,
.page-contact .breadcrumb-list a:focus-visible {
  color: var(--c-volt);
  border-bottom-color: var(--c-volt);
}

.page-contact .breadcrumb-list [aria-current="page"] {
  color: var(--c-paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(38px, 7vw, 88px) 0 clamp(36px, 6vw, 76px);
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .contact-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.72) contrast(1.08);
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(112% 82% at 20% 26%, rgba(16, 25, 43, .58), rgba(16, 25, 43, .96) 72%),
    linear-gradient(96deg, rgba(15, 163, 107, .28), rgba(16, 25, 43, 0) 52%);
}

.page-contact .contact-hero-slash {
  position: absolute;
  z-index: 0;
  right: -8%;
  top: -26%;
  width: min(58vw, 660px);
  height: 158%;
  background: linear-gradient(158deg, rgba(15, 163, 107, .42), rgba(232, 255, 58, .06) 62%, rgba(16, 25, 43, 0));
  transform: skewX(-8deg);
  opacity: .58;
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero-title {
  margin: 14px 0 0;
  font-size: clamp(38px, 9vw, 100px);
  line-height: .96;
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--c-paper);
  max-width: 15ch;
}

.page-contact .contact-mark {
  color: var(--c-volt);
  white-space: nowrap;
}

.page-contact .contact-hero-lead {
  margin: 24px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-dim);
}

.page-contact .contact-hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 主体分栏 ---------- */
.page-contact .contact-board {
  position: relative;
  padding: clamp(34px, 6vw, 70px) 0 clamp(48px, 8vw, 100px);
}

.page-contact .contact-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 246, 240, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 246, 240, .04) 1px, transparent 1px);
  background-size: 86px 86px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, 0) 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), rgba(0, 0, 0, 0) 78%);
  pointer-events: none;
}

.page-contact .contact-board-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

/* ---------- 左栏：三条通道 ---------- */
.page-contact .aside-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(245, 246, 240, .24);
}

.page-contact .aside-hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-contact .channel-card {
  position: relative;
  margin-top: 14px;
  padding: 22px 22px 24px;
  background: var(--c-deep-2);
  border: 1px solid var(--pc-rule);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-contact .channel-card > * {
  position: relative;
  z-index: 1;
}

.page-contact .channel-card--phone {
  margin-top: 6px;
  background:
    linear-gradient(140deg, rgba(15, 163, 107, .3), rgba(28, 39, 64, .94) 72%);
  border-color: rgba(15, 163, 107, .52);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-slate);
}

.page-contact .channel-card--phone .channel-label {
  color: rgba(245, 246, 240, .7);
}

.page-contact .channel-phone {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 7.4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--c-volt);
  white-space: nowrap;
}

.page-contact .channel-mail {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.4vw, 18px);
  line-height: 1.45;
  color: var(--c-mint);
  word-break: break-all;
}

.page-contact .channel-addr {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-paper);
}

.page-contact .channel-card--addr::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(127, 224, 176, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 224, 176, .1) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.page-contact .channel-card--addr:hover {
  transform: translateY(-2px) scale(1.014);
  border-color: rgba(127, 224, 176, .5);
  box-shadow: 0 20px 42px rgba(11, 15, 22, .45);
}

.page-contact .channel-card--phone:hover,
.page-contact .channel-card--phone:focus-within {
  background: linear-gradient(140deg, rgba(15, 163, 107, .42), rgba(28, 39, 64, .96) 74%);
}

.page-contact .channel-card:not(.channel-card--addr):hover {
  border-color: rgba(245, 246, 240, .3);
}

.page-contact .channel-fit {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-dim);
}

.page-contact .channel-card {
  scroll-margin-top: 96px;
}

/* ---------- 右栏：内容区 ---------- */
.page-contact .contact-body {
  min-width: 0;
}

.page-contact .contact-sec + .contact-sec {
  margin-top: var(--pc-gap);
  padding-top: var(--pc-gap);
  border-top: 1px solid var(--pc-rule);
}

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

.page-contact .contact-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-volt);
}

.page-contact .contact-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 4.4vw, 36px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-contact .contact-sec-lead {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--c-dim);
}

.page-contact .contact-sec a {
  color: var(--c-mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 224, 176, .45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .contact-sec a:hover,
.page-contact .contact-sec a:focus-visible {
  color: var(--c-volt);
  border-bottom-color: var(--c-volt);
}

/* 场景清单 */
.page-contact .scenario-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .scenario-item {
  padding: 15px 0 15px 16px;
  border-left: 2px solid var(--pc-rule);
  transition: border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-contact .scenario-item:hover {
  border-left-color: var(--c-volt);
  padding-left: 20px;
}

.page-contact .scenario-q {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-paper);
}

.page-contact .scenario-a {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-dim);
}

/* 服务时段 */
.page-contact .hours-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .hours-item {
  padding: 15px 18px;
  background: var(--c-deep-2);
  border-left: 3px solid var(--c-green);
}

.page-contact .hours-item--signal {
  border-left-color: var(--c-signal);
}

.page-contact .hours-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--c-volt);
}

.page-contact .hours-item--signal .hours-time {
  color: var(--c-signal);
}

.page-contact .hours-text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--c-dim);
}

/* 准备清单 */
.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--pc-rule);
  align-items: start;
}

.page-contact .prep-item:first-child {
  border-top: 1px dashed var(--pc-rule);
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-green);
  padding-top: 3px;
}

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

.page-contact .prep-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-paper);
}

.page-contact .prep-desc {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--c-dim);
}

/* 合作共建 */
.page-contact .coop-media {
  position: relative;
  margin: 0 0 22px;
  border: 1px solid var(--pc-rule);
  overflow: hidden;
}

.page-contact .coop-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}

.page-contact .coop-media::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 96px rgba(11, 15, 22, .72);
  pointer-events: none;
}

.page-contact .coop-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  margin: 0 0 22px;
  padding: 16px 0;
  border-top: 1px solid var(--pc-rule);
  border-bottom: 1px solid var(--pc-rule);
  list-style: none;
}

.page-contact .coop-stat {
  display: flex;
  flex-direction: column;
}

.page-contact .coop-stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-volt);
}

.page-contact .coop-stat-label {
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-slate);
}

.page-contact .coop-details-group {
  display: grid;
  gap: 8px;
}

.page-contact .coop-details {
  background: rgba(28, 39, 64, .58);
  border: 1px solid var(--pc-rule);
}

.page-contact .coop-details[open] {
  border-color: rgba(15, 163, 107, .45);
}

.page-contact .coop-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--c-paper);
}

.page-contact .coop-summary::-webkit-details-marker {
  display: none;
}

.page-contact .coop-summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--c-volt);
}

.page-contact .coop-details[open] .coop-summary::before {
  content: "–";
}

.page-contact .coop-summary:focus-visible {
  outline: 2px solid var(--c-volt);
  outline-offset: -2px;
}

.page-contact .coop-panel {
  padding: 0 18px 18px;
}

.page-contact .coop-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-dim);
}

.page-contact .coop-cta {
  margin: 20px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--c-volt);
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-paper);
}

/* 反馈流程 */
.page-contact .flow-list {
  margin: 0;
  padding: 0 0 0 6px;
  list-style: none;
}

.page-contact .flow-item {
  position: relative;
  padding: 0 0 24px 30px;
  border-left: 1px solid var(--pc-rule);
}

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

.page-contact .flow-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-mint);
  box-shadow: 0 0 0 4px rgba(127, 224, 176, .14);
}

.page-contact .flow-title {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--c-paper);
}

.page-contact .flow-text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-dim);
}

.page-contact .flow-foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-rule);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-dim);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-hero-lead {
    font-size: 17px;
  }

  .page-contact .hours-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .prep-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px;
  }
}

/* ---------- 桌面：左右分置 ---------- */
@media (min-width: 1000px) {
  .page-contact .contact-board-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h, 78px) + 28px);
  }

  .page-contact .contact-sec-lead {
    margin-bottom: 26px;
  }

  .page-contact .flow-list {
    padding-left: 10px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scenario-item,
  .page-contact .breadcrumb-list a {
    transition: none;
  }

  .page-contact .channel-card--addr:hover {
    transform: none;
  }

  .page-contact .scenario-item:hover {
    padding-left: 16px;
  }
}
<<<END>>>