.page-contact {
  --pc-cut: 20px;
  --pc-line: rgba(201, 212, 207, 0.18);
  --pc-card: rgba(21, 36, 61, 0.72);
  --pc-shadow: 0 24px 60px -32px rgba(0, 0, 0, 0.85);
  position: relative;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-contact .section {
  padding-block: clamp(44px, 8vw, 92px);
}

.page-contact .section-head {
  max-width: 62ch;
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-contact .section-head--tight {
  max-width: 70ch;
}

.page-contact .section-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cold);
}

.page-contact .section-head h2,
.page-contact .feedback-copy h2,
.page-contact .partner-intro h2,
.page-contact .visit-main h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 5.2vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.page-contact .section-desc {
  margin: 0;
  max-width: 58ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 36px);
  padding-bottom: clamp(40px, 7vw, 78px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(53, 224, 193, 0.12), transparent 58%),
    radial-gradient(90% 80% at -5% 12%, rgba(126, 107, 234, 0.14), transparent 62%),
    linear-gradient(168deg, var(--ink) 0%, var(--ink-2) 42%, var(--dusk) 100%);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -110px;
  width: 62%;
  height: 220px;
  border-top: 1px solid rgba(53, 224, 193, 0.28);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-contact .breadcrumb {
  position: relative;
  z-index: 1;
  font-size: 13px;
  font-family: var(--font-mono);
  color: var(--mist);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.page-contact .breadcrumb-sep {
  margin-inline: 8px;
  color: rgba(201, 212, 207, 0.5);
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 46px);
  margin-top: clamp(22px, 4vw, 38px);
}

.page-contact .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cold);
}

.page-contact .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cold);
  box-shadow: 0 0 0 0 rgba(53, 224, 193, 0.55);
  animation: pc-pulse 2.6s var(--ease) infinite;
}

@keyframes pc-pulse {
  0% { box-shadow: 0 0 0 0 rgba(53, 224, 193, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(53, 224, 193, 0); }
  100% { box-shadow: 0 0 0 0 rgba(53, 224, 193, 0); }
}

.page-contact h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8.5vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-contact .hero-lead {
  margin: 0 0 clamp(24px, 4vw, 34px);
  max-width: 54ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.85;
}

/* 登机牌式联系卡 */
.page-contact .pass-card {
  position: relative;
  padding: clamp(20px, 4vw, 30px);
  background: linear-gradient(155deg, rgba(21, 36, 61, 0.95), rgba(11, 42, 36, 0.92));
  border: 1px solid var(--pc-line);
  box-shadow: var(--pc-shadow);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .pass-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cold), var(--amber) 55%, transparent);
}

.page-contact .pass-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--pc-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(201, 212, 207, 0.72);
}

.page-contact .pass-code {
  color: var(--amber);
  letter-spacing: 0.14em;
}

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

.page-contact .pass-row {
  display: grid;
  gap: 5px;
  padding-block: 16px;
  border-bottom: 1px solid rgba(201, 212, 207, 0.1);
}

.page-contact .pass-row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-contact .pass-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(201, 212, 207, 0.68);
}

.page-contact .pass-val {
  font-size: clamp(15px, 3.6vw, 20px);
  font-weight: 600;
  color: var(--cold);
  word-break: break-word;
}

.page-contact .pass-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .pass-foot {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(201, 212, 207, 0.72);
}

/* 右侧：地图与节拍 */
.page-contact .hero-side {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-contact .hero-media {
  position: relative;
  border: 1px solid var(--pc-line);
  clip-path: polygon(var(--pc-cut) 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%, 0 var(--pc-cut));
  overflow: hidden;
}

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

.page-contact .hero-media img {
  filter: saturate(0.78) contrast(1.05);
}

.page-contact .beacon {
  position: relative;
  padding: 18px 18px 20px;
  background: rgba(11, 42, 36, 0.6);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
}

.page-contact .beacon-map {
  display: block;
  width: 100%;
  height: auto;
  color: var(--cold);
}

.page-contact .map-grid {
  color: rgba(201, 212, 207, 0.35);
}

.page-contact .map-road {
  color: rgba(53, 224, 193, 0.55);
}

.page-contact .map-road--faint {
  color: rgba(201, 212, 207, 0.28);
}

.page-contact .map-trace {
  color: var(--violet);
  opacity: 0.85;
}

.page-contact .map-node {
  fill: var(--ink);
  stroke: var(--cold);
  stroke-width: 2;
}

.page-contact .map-node--amber {
  fill: var(--amber);
  stroke: rgba(231, 169, 59, 0.35);
  stroke-width: 4;
}

.page-contact .map-ring {
  fill: none;
  stroke: rgba(231, 169, 59, 0.45);
  stroke-width: 1.4;
}

.page-contact .beacon-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .beacon-steps li {
  display: grid;
  gap: 2px;
  padding-top: 9px;
  border-top: 1px solid rgba(201, 212, 207, 0.12);
}

.page-contact .beacon-step-num {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .beacon-step-text {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 章节索引 */
.page-contact .contact-index {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(28px, 5vw, 44px);
  padding-top: 18px;
  border-top: 1px solid rgba(201, 212, 207, 0.14);
}

.page-contact .contact-index a {
  padding: 7px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid rgba(201, 212, 207, 0.22);
  background: rgba(11, 42, 36, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .contact-index a:hover,
.page-contact .contact-index a:focus-visible,
.page-contact .contact-index a.is-active {
  color: var(--ink);
  border-color: var(--cold);
  background: var(--cold);
}

/* ---------- 渠道 ---------- */
.page-contact .section--channels {
  background: linear-gradient(180deg, var(--dusk) 0%, var(--ink) 100%);
}

.page-contact .channel-grid {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  padding: 22px 20px 24px;
  background: var(--pc-card);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--cold);
}

.page-contact .channel-card--violet::before { background: var(--violet); }
.page-contact .channel-card--amber::before { background: var(--amber); }
.page-contact .channel-card--paper::before { background: var(--red); }

.page-contact .channel-card .tag {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  border: 1px solid currentColor;
}

.page-contact .channel-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .channel-val {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cold);
  word-break: break-word;
}

.page-contact .channel-card--violet .channel-val { color: #B3A7F5; }
.page-contact .channel-card--amber .channel-val { color: var(--amber); }

.page-contact .channel-val--plain {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .channel-desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel-when {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(201, 212, 207, 0.16);
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(201, 212, 207, 0.78);
}

/* ---------- 数据反馈（纸白阅读区） ---------- */
.page-contact .section--paper {
  background: var(--paper);
  color: var(--ink-on-paper);
}

.page-contact .feedback-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .feedback-media {
  position: relative;
  border: 1px solid rgba(38, 59, 54, 0.25);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  overflow: hidden;
  background: #0F2233;
}

.page-contact .feedback-media figcaption {
  padding: 10px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--paper);
  background: var(--ink-2);
}

.page-contact .section--paper .section-kicker {
  color: #1F6F5E;
}

.page-contact .feedback-copy h2 {
  color: var(--ink);
}

.page-contact .feedback-lead {
  margin: 0 0 clamp(20px, 3vw, 28px);
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--graphite);
}

.page-contact .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-top: 1px solid rgba(38, 59, 54, 0.2);
}

.page-contact .step-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding-block: 16px;
  border-bottom: 1px solid rgba(38, 59, 54, 0.14);
}

.page-contact .step-num {
  font-size: 13px;
  font-weight: 600;
  color: #B0761B;
  padding-top: 2px;
}

.page-contact .step-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .step-list p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .feedback-tip {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink);
  background: rgba(198, 67, 60, 0.1);
  border-left: 3px solid var(--red);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .section--dusk {
  background: linear-gradient(160deg, var(--ink) 0%, var(--dusk) 100%);
}

.page-contact .partner-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .partner-intro p {
  margin: 0 0 22px;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .partner-side {
  padding: clamp(20px, 4vw, 30px);
  background: rgba(11, 42, 36, 0.55);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pc-cut) 100%, 0 calc(100% - var(--pc-cut)));
}

.page-contact .partner-side-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-contact .partner-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .partner-list li {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(201, 212, 207, 0.12);
}

.page-contact .partner-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .partner-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cold);
}

.page-contact .partner-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .partner-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(201, 212, 207, 0.18);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(201, 212, 207, 0.8);
}

/* ---------- 响应时间 ---------- */
.page-contact .section--hours {
  background: var(--ink);
  border-top: 1px solid rgba(201, 212, 207, 0.1);
}

.page-contact .response-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .response-node {
  position: relative;
  padding: 18px 20px 20px;
  background: rgba(21, 36, 61, 0.66);
  border: 1px solid var(--pc-line);
  border-left: 2px solid var(--violet);
}

.page-contact .response-node:nth-child(2) { border-left-color: var(--cold); }
.page-contact .response-node:nth-child(3) { border-left-color: var(--amber); }
.page-contact .response-node:nth-child(4) { border-left-color: var(--red); }

.page-contact .response-time {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cold);
}

.page-contact .response-node h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .response-node p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .hours-note {
  margin: 22px 0 0;
  max-width: 70ch;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(201, 212, 207, 0.8);
}

/* ---------- 书面往来 ---------- */
.page-contact .section--visit {
  background: linear-gradient(200deg, var(--dusk) 0%, var(--ink-2) 100%);
}

.page-contact .visit-panel {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  padding: clamp(22px, 4vw, 40px);
  background: rgba(11, 42, 36, 0.62);
  border: 1px solid var(--pc-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-contact .visit-main p {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-contact .visit-card {
  padding: 20px;
  background: var(--paper);
  color: var(--ink-on-paper);
  border-left: 4px solid var(--amber);
}

.page-contact .visit-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #8A6216;
}

.page-contact .visit-address {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 4vw, 23px);
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .visit-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding-top: 10px;
  border-top: 1px dashed rgba(38, 59, 54, 0.28);
  font-size: 13px;
}

.page-contact .visit-meta-key {
  color: var(--graphite);
}

.page-contact .visit-meta-val {
  font-size: 12.5px;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 延伸入口 ---------- */
.page-contact .section--next {
  background: var(--ink);
  border-top: 1px solid rgba(201, 212, 207, 0.1);
}

.page-contact .next-grid {
  display: grid;
  gap: 12px;
}

.page-contact .next-card {
  display: block;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  background: rgba(21, 36, 61, 0.5);
  border: 1px solid var(--pc-line);
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .next-card:hover,
.page-contact .next-card:focus-visible {
  background: rgba(21, 36, 61, 0.9);
  border-color: var(--cold);
  transform: translateY(-3px);
}

.page-contact .next-tag {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cold);
}

.page-contact .next-card h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  color: var(--paper);
}

.page-contact .next-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-grid,
  .page-contact .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .beacon-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-contact .beacon-steps li {
    border-top: 0;
    border-left: 1px solid rgba(201, 212, 207, 0.16);
    padding-top: 0;
    padding-left: 10px;
  }

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

  .page-contact .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 22px;
  }

  .page-contact .partner-list li:nth-last-child(2) {
    border-bottom: 0;
    padding-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: start;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-contact .feedback-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-contact .visit-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    align-items: center;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .response-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .pass-card {
    --pc-cut: 26px;
  }
}

@media (min-width: 1180px) {
  .page-contact .partner-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pulse-dot {
    animation: none;
  }

  .page-contact .next-card {
    transition: none;
  }

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