.page-contact {
  --pc-indent: 56px;
  --pc-shadow: 0 18px 48px rgba(3, 11, 24, .35);
}

.page-contact .section {
  padding: clamp(56px, 8vw, 104px) 0;
}

.page-contact #routes,
.page-contact #direct,
.page-contact #flow,
.page-contact #partners,
.page-contact #visit {
  scroll-margin-top: 120px;
}

.page-contact .section-index {
  display: block;
  margin: 0 0 12px;
  color: var(--cyan);
}

.page-contact .section-title {
  margin: 0;
  font-size: clamp(26px, 3.8vw, 46px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -.015em;
  color: #fff;
}

.page-contact .section-sub {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 251, .68);
}

.page-contact .section--ice .section-title {
  color: var(--ink);
}

.page-contact .section--ice .section-sub {
  color: rgba(11, 17, 24, .66);
}

.page-contact .section--ice .section-index {
  color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(20px, 3vw, 32px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(115% 85% at 90% -5%, rgba(0, 224, 198, .16), transparent 62%),
    radial-gradient(90% 70% at -5% 105%, rgba(255, 107, 26, .13), transparent 64%);
}

.page-contact .breadcrumb {
  margin: 0 0 clamp(24px, 4vw, 44px);
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(244, 247, 251, .6);
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(138, 151, 168, .6);
}

.page-contact .breadcrumb a {
  color: rgba(244, 247, 251, .72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(0, 224, 198, .5);
}

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

.page-contact .contact-hero-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .contact-hero-copy .index {
  color: var(--cyan);
  margin: 0;
}

.page-contact .contact-hero h1 {
  max-width: 16ch;
  margin: 14px 0 20px;
  font-size: clamp(34px, 6.6vw, 76px);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -.025em;
  color: #fff;
}

.page-contact .contact-lead {
  max-width: 54ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: rgba(244, 247, 251, .76);
}

.page-contact .contact-quick {
  position: relative;
  padding: 24px clamp(18px, 2.4vw, 26px) 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(18, 58, 107, .92), rgba(10, 31, 60, .78));
  box-shadow: var(--pc-shadow);
}

.page-contact .contact-quick::before {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid rgba(0, 224, 198, .16);
  border-radius: calc(var(--r-lg) - 9px);
  pointer-events: none;
}

.page-contact .contact-quick .index {
  margin: 0;
  color: var(--scale);
}

.page-contact .contact-quick-list {
  position: relative;
  margin: 16px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-contact .contact-quick-list li {
  display: grid;
  gap: 5px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-quick-label {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--scale);
}

.page-contact .contact-quick-value {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.6;
  color: var(--cyan);
  word-break: break-all;
}

/* ---------- 找对人 ---------- */
.page-contact .route-list {
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.page-contact .route-item {
  min-width: 0;
}

.page-contact .route-card {
  display: block;
  height: 100%;
  padding: 24px clamp(18px, 2.2vw, 26px) 22px;
  border: 1px solid var(--line);
  border-left: 3px solid rgba(0, 224, 198, .5);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(10, 31, 60, .55), rgba(8, 23, 41, .82));
  text-decoration: none;
  color: inherit;
  transition: transform .32s var(--ease), border-color .32s var(--ease), background .32s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  transform: translateY(-6px);
  border-left-color: var(--orange);
  background: linear-gradient(160deg, rgba(18, 58, 107, .78), rgba(10, 31, 60, .9));
}

.page-contact .route-tag {
  display: inline-block;
  margin: 0;
  padding: 4px 10px;
  border: 1px solid rgba(0, 224, 198, .32);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-contact .route-title {
  margin: 16px 0 10px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
}

.page-contact .route-desc {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 247, 251, .7);
}

.page-contact .route-more {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-soft);
}

.page-contact .route-hint {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows .34s var(--ease), opacity .28s var(--ease);
}

.page-contact .route-hint-inner {
  min-height: 0;
  overflow: hidden;
  display: block;
  margin-top: 0;
  padding-top: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(0, 224, 198, .82);
  border-top: 1px dashed transparent;
}

.page-contact .route-card:hover .route-hint,
.page-contact .route-card:focus-visible .route-hint {
  grid-template-rows: 1fr;
  opacity: 1;
}

.page-contact .route-card:hover .route-hint-inner,
.page-contact .route-card:focus-visible .route-hint-inner {
  margin-top: 16px;
  padding-top: 12px;
  border-top-color: var(--line);
}

.page-contact .route-visual {
  aspect-ratio: 14 / 9;
  margin: clamp(32px, 5vw, 56px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .route-visual > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 直接联系 ---------- */
.page-contact .direct-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .channel-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-row {
  padding: 24px 0;
  border-top: 1px solid rgba(11, 17, 24, .12);
}

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

.page-contact .channel-label {
  margin: 0 0 8px;
  color: rgba(11, 17, 24, .5);
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 26px);
  line-height: 1.45;
  color: var(--deep);
  word-break: break-word;
}

.page-contact .channel-note {
  max-width: 56ch;
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(11, 17, 24, .66);
}

.page-contact .direct-aside {
  align-self: start;
  padding: 26px clamp(20px, 2.6vw, 30px) 28px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(27, 111, 203, .22);
  background: linear-gradient(165deg, #ffffff, #eef3fa);
  box-shadow: 0 14px 36px rgba(10, 31, 60, .1);
}

.page-contact .direct-aside-index {
  margin: 0;
  color: var(--signal);
}

.page-contact .direct-aside-text {
  margin: 14px 0 22px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(11, 17, 24, .7);
}

.page-contact .direct-aside-note {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(11, 17, 24, .48);
}

/* ---------- 对接流程 ---------- */
.page-contact .flow-list {
  margin: clamp(30px, 4vw, 52px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 34px;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: -4px;
  border-left: 1px dashed rgba(138, 151, 168, .42);
}

.page-contact .flow-step::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 20px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid rgba(0, 224, 198, .8);
  background: var(--deep);
  transition: border-color .3s var(--ease), transform .3s var(--ease);
}

.page-contact .flow-step:last-child::before {
  display: none;
}

.page-contact .flow-details[open]::after,
.page-contact .flow-step:has(.flow-details[open])::after {
  border-color: var(--orange);
  transform: scale(1.12);
}

.page-contact .flow-summary {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 14px;
  padding: 16px 30px 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .flow-summary::after {
  content: "";
  position: absolute;
  right: 6px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 2px solid var(--scale);
  border-bottom: 2px solid var(--scale);
  transform: rotate(45deg);
  transition: transform .28s var(--ease);
}

.page-contact .flow-details[open] .flow-summary::after {
  transform: rotate(-135deg);
  margin-top: -2px;
  border-color: var(--orange);
}

.page-contact .flow-num {
  font-size: 15px;
  color: var(--cyan);
}

.page-contact .flow-name {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 500;
  color: #fff;
}

.page-contact .flow-time {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
  white-space: nowrap;
}

.page-contact .flow-body {
  padding: 0 0 24px 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 251, .72);
}

.page-contact .flow-body p {
  margin: 0;
}

/* ---------- 合作方向 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-contact .partner-row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-contact .partner-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .partner-side {
  position: relative;
  margin: 0;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 600;
  color: #fff;
}

.page-contact .partner-give {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 251, .7);
}

.page-contact .partner-visual {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-contact .partner-visual > img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 到访与联络 ---------- */
.page-contact .visit-band {
  position: relative;
  padding: clamp(26px, 4vw, 48px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, rgba(138, 151, 168, .16) 0 1px, transparent 1px 44px),
    linear-gradient(122deg, rgba(18, 58, 107, .94), rgba(10, 31, 60, .9));
  overflow: hidden;
}

.page-contact .visit-head .section-title {
  max-width: 20ch;
}

.page-contact .visit-address {
  margin: clamp(20px, 3vw, 32px) 0 0;
  font-size: clamp(17px, 2.6vw, 30px);
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .visit-note {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 251, .72);
}

.page-contact .visit-points {
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
}

.page-contact .visit-points li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 23, 41, .6);
}

.page-contact .visit-points .index {
  color: var(--scale);
}

.page-contact .visit-points .data {
  color: #fff;
  font-size: 14px;
}

.page-contact .visit-graph {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(42%, 320px);
  height: 92px;
  opacity: .55;
  pointer-events: none;
}

.page-contact .visit-graph-line {
  fill: none;
  stroke: rgba(0, 224, 198, .8);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .partner-row {
    grid-template-columns: minmax(150px, .74fr) minmax(0, 1.7fr);
    gap: 0 44px;
    align-items: start;
  }

  .page-contact .partner-side::after {
    content: "";
    position: absolute;
    right: -23px;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    border-radius: 50%;
    background: var(--orange);
  }

  .page-contact .flow-body {
    padding-left: var(--pc-indent);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, .85fr);
    align-items: end;
  }

  .page-contact .direct-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(280px, .85fr);
    align-items: start;
  }

  .page-contact .route-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
  }

  .page-contact .route-item:nth-child(2) {
    margin-top: 46px;
  }

  .page-contact .route-item:nth-child(3) {
    margin-top: 92px;
  }

  .page-contact .channel-row {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr);
    column-gap: 30px;
    align-items: baseline;
  }

  .page-contact .channel-label {
    grid-column: 1;
    margin: 0;
  }

  .page-contact .channel-value,
  .page-contact .channel-note {
    grid-column: 2;
  }
}

@media (min-width: 980px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .partner-visual {
    position: sticky;
    top: 120px;
  }
}

@media (max-width: 899px) {
  .page-contact .visit-graph {
    display: none;
  }
}

@media (hover: none) {
  .page-contact .route-hint {
    grid-template-rows: 1fr;
    opacity: 1;
  }

  .page-contact .route-hint-inner {
    margin-top: 16px;
    padding-top: 12px;
    border-top-color: var(--line);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .route-hint,
  .page-contact .flow-summary::after,
  .page-contact .flow-step::after {
    transition: none;
  }

  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }
}
<<<END>>>