.page-contact {
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 52px) clamp(40px, 6vw, 76px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(130% 120% at 92% -10%, rgba(53, 230, 210, 0.16), transparent 58%),
    radial-gradient(90% 90% at 0% 110%, rgba(255, 122, 61, 0.12), transparent 60%),
    var(--ink);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(147, 160, 192, 0.22) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(118deg, #000 8%, transparent 62%);
  mask-image: linear-gradient(118deg, #000 8%, transparent 62%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: -55%;
  right: -14%;
  width: 46%;
  height: 230%;
  background: linear-gradient(165deg, rgba(23, 34, 75, 0.95), rgba(23, 34, 75, 0));
  transform: rotate(12deg);
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  margin-bottom: 22px;
}

.page-contact .contact-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 16em;
}

.page-contact .contact-hero h1::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-contact .hero-lead {
  margin: 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-contact .meta-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .meta-val {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 左右分置布局 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  padding-block: clamp(40px, 7vw, 76px) clamp(64px, 9vw, 108px);
}

.page-contact .contact-aside {
  position: static;
  min-width: 0;
}

.page-contact .contact-card {
  position: relative;
  padding: 30px 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 14px 0 0;
  box-shadow: 0 24px 60px -40px rgba(0, 0, 0, 0.9);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: 26%;
  height: 4px;
  background: var(--orange);
}

.page-contact .card-eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card-title {
  margin: 0 0 24px;
  font-size: clamp(1.15rem, 3.4vw, 1.4rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .method-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-contact .method {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .method:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 0 8px 0 0;
  color: var(--cyan);
}

.page-contact .method-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-contact .method-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .method-value {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  word-break: break-all;
  transition: color var(--t-fast) var(--ease);
}

.page-contact .method-value:hover,
.page-contact .method-value:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .method-value--plain {
  word-break: normal;
}

.page-contact .method-hint {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-contact .card-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .card-icp {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: 0.85;
}

/* ---------- 右侧内容流 ---------- */
.page-contact .contact-stream {
  display: flex;
  flex-direction: column;
  gap: clamp(44px, 7vw, 76px);
  min-width: 0;
}

.page-contact .stream-block {
  min-width: 0;
}

.page-contact .block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-contact .block-index {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
  flex: none;
}

.page-contact .stream-block h2 {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-contact .block-lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 46em;
}

.page-contact .block-tail {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.4);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

/* ---------- 图片占位 ---------- */
.page-contact .stream-figure {
  margin: 0 0 28px;
}

.page-contact .stream-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 路径选择列表 ---------- */
.page-contact .route-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .route-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 18px 18px 18px 0;
  border-left: 3px solid var(--line);
  padding-left: 18px;
  transition: border-color var(--t-slow) var(--ease), background-color var(--t-slow) var(--ease);
}

.page-contact .route-item:hover {
  border-left-color: var(--cyan);
  background: rgba(23, 34, 75, 0.55);
}

.page-contact .route-item .tag {
  justify-self: start;
}

.page-contact .route-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .route-item p strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 时钟刻度条 ---------- */
.page-contact .clock {
  margin: 4px 0 28px;
  padding: 22px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 0 14px 0 0;
  background: rgba(23, 34, 75, 0.5);
}

.page-contact .clock-track {
  position: relative;
  height: 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(147, 160, 192, 0.22) 0 1px, transparent 1px 9px),
    var(--ink);
}

.page-contact .clock-window {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 37.5%;
  right: 25%;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  box-shadow: 0 0 14px rgba(53, 230, 210, 0.45);
}

.page-contact .clock-scale {
  position: relative;
  height: 16px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

.page-contact .clock-scale li {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  white-space: nowrap;
}

.page-contact .clock-scale li:nth-child(1) {
  left: 0;
  transform: none;
}

.page-contact .clock-scale li:nth-child(2) {
  left: 37.5%;
  color: var(--cyan);
}

.page-contact .clock-scale li:nth-child(3) {
  left: 75%;
  color: var(--cyan);
}

.page-contact .clock-scale li:nth-child(4) {
  left: 100%;
  transform: translateX(-100%);
}

.page-contact .hours-notes {
  margin-top: 4px;
}

.page-contact .hours-note {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 0 14px 0 0;
  background: var(--panel);
}

.page-contact .hours-note h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-contact .hours-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 邮件清单 ---------- */
.page-contact .mail-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.page-contact .mail-item {
  position: relative;
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease);
}

.page-contact .mail-item:hover {
  background: rgba(23, 34, 75, 0.5);
}

.page-contact .mail-check {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  pointer-events: none;
}

.page-contact .mail-box {
  position: relative;
  display: block;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1.5px solid var(--line);
  border-radius: 0 6px 0 0;
  background: var(--ink);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.page-contact .mail-box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--on-orange);
  border-bottom: 2px solid var(--on-orange);
  transform: rotate(42deg);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.page-contact .mail-check:checked ~ .mail-box {
  background: var(--orange);
  border-color: var(--orange);
}

.page-contact .mail-check:checked ~ .mail-box::after {
  opacity: 1;
}

.page-contact .mail-check:focus-visible ~ .mail-box {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .mail-check:checked ~ .mail-text {
  color: var(--muted);
}

.page-contact .mail-text {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .mail-text strong {
  display: block;
  color: var(--paper);
  font-weight: 700;
  margin-bottom: 2px;
}

/* ---------- 合作对接 ---------- */
.page-contact .partner-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 0 14px 0 0;
  overflow: hidden;
}

.page-contact .partner-col {
  padding: 20px 18px;
  background: var(--panel);
}

.page-contact .partner-col h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .partner-col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三步流程 ---------- */
.page-contact .flow {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 20px 18px 20px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0 14px 0 0;
  transition: transform var(--t-slow) var(--ease), border-color var(--t-slow) var(--ease);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), var(--teal));
}

.page-contact .flow-step:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 230, 210, 0.5);
}

.page-contact .flow-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-contact .flow-step h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 平板 ---------- */
@media (min-width: 620px) {
  .page-contact .partner-box {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .flow {
    flex-direction: row;
    align-items: stretch;
    gap: 16px;
  }

  .page-contact .flow-step {
    flex: 1 1 0;
    min-width: 0;
  }
}

/* ---------- 桌面：左固定卡片 + 右内容流 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 60px);
    align-items: start;
  }

  .page-contact .contact-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .contact-card {
    padding: 32px 26px 26px;
  }

  .page-contact .contact-hero h1 {
    max-width: 14em;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  }

  .page-contact .route-item {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }

  .page-contact .route-item .tag {
    margin-top: 4px;
  }
}

/* ---------- 无障碍降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .method-value,
  .page-contact .inline-link,
  .page-contact .route-item,
  .page-contact .mail-item,
  .page-contact .mail-box,
  .page-contact .mail-box::after,
  .page-contact .flow-step {
    transition: none;
  }

  .page-contact .flow-step:hover {
    transform: none;
  }
}
<<<END>>>