.page-contact {
  --pc-space: clamp(44px, 7vw, 76px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 340px, var(--ink-800) 100%);
  color: var(--mint-200);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.78;
  padding: clamp(20px, 4vw, 40px) 0 clamp(64px, 9vw, 104px);
  overflow-x: hidden;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-size: var(--step-h2);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--white);
  margin: 0 0 10px;
}

.page-contact h3 {
  font-family: var(--font-body);
  font-size: var(--step-h3);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  margin: 0 0 6px;
}

.page-contact p {
  margin: 0;
}

.page-contact .page-shell > * + * {
  margin-top: var(--pc-space);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  max-width: 66ch;
  margin-top: clamp(20px, 3vw, 28px);
  padding-left: clamp(14px, 2.4vw, 22px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime-400), rgba(198, 255, 74, 0));
}

.page-contact .contact-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime-400);
  border-bottom: 1px solid rgba(198, 255, 74, 0.35);
  padding-bottom: 6px;
  margin-bottom: 16px;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: var(--step-h1);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--white);
  margin: 0 0 18px;
}

.page-contact .contact-hero__lead {
  color: var(--fog-400);
  max-width: 58ch;
}

/* ---------- 值班台 ---------- */
.page-contact .duty {
  display: grid;
  gap: var(--gap);
}

.page-contact .duty__card {
  position: relative;
  background: var(--panel-700);
  border: 1px solid var(--edge-500);
  border-radius: var(--radius);
  padding: clamp(20px, 3.2vw, 32px);
  overflow: hidden;
}

.page-contact .duty__card::after {
  content: "2";
  position: absolute;
  right: -8px;
  bottom: -46px;
  font-family: var(--font-display);
  font-size: 156px;
  line-height: 1;
  color: rgba(198, 255, 74, 0.09);
  pointer-events: none;
}

.page-contact .duty__status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lime-400);
  background: rgba(198, 255, 74, 0.07);
  border: 1px solid rgba(198, 255, 74, 0.32);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}

.page-contact .duty__lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime-400);
  box-shadow: 0 0 0 4px rgba(198, 255, 74, 0.16);
  animation: pc-pulse 2.6s var(--ease) infinite;
}

@keyframes pc-pulse {
  50% {
    box-shadow: 0 0 0 9px rgba(198, 255, 74, 0);
  }
}

.page-contact .duty__title {
  position: relative;
  z-index: 1;
  font-size: var(--step-h2);
  margin-bottom: 14px;
}

.page-contact .duty__list {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .duty__row {
  display: grid;
  gap: 3px;
  padding: 16px 0;
  border-top: 1px solid var(--edge-500);
}

.page-contact .duty__row:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-contact .duty__key {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog-400);
}

.page-contact .duty__val {
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--white);
  word-break: break-word;
}

.page-contact .duty__val--mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  font-size: 1.125rem;
}

.page-contact .duty__hint {
  font-size: var(--step-small);
  color: var(--fog-400);
}

.page-contact .duty__note {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--edge-500);
  font-size: var(--step-small);
  color: var(--fog-400);
}

.page-contact .duty__media {
  margin: 0;
}

.page-contact .duty__media img,
.page-contact .prep__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep__head,
.page-contact .flow__head,
.page-contact .channels__head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .prep__idx,
.page-contact .flow__idx,
.page-contact .channels__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime-400);
  margin-bottom: 12px;
}

.page-contact .prep__head p,
.page-contact .flow__head p,
.page-contact .channels__head p {
  color: var(--fog-400);
}

.page-contact .prep__grid {
  display: grid;
  gap: 14px;
}

.page-contact .prep__item {
  background: var(--panel-700);
  border: 1px solid var(--edge-500);
  border-top: 2px solid var(--lime-400);
  border-radius: var(--radius);
  padding: 20px;
}

.page-contact .prep__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.18em;
  color: var(--lime-300);
  margin-bottom: 10px;
}

.page-contact .prep__item p {
  font-size: var(--step-small);
  color: var(--fog-400);
}

.page-contact .prep__media {
  margin-top: 20px;
}

/* ---------- 处理流程 ---------- */
.page-contact .flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .flow__step {
  position: relative;
  padding: 0 0 26px 36px;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 28px;
  bottom: 0;
  width: 1px;
  background: var(--edge-500);
}

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

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

.page-contact .flow__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--lime-400);
}

.page-contact .flow__step:first-child .flow__dot {
  background: var(--lime-400);
  box-shadow: 0 0 0 4px rgba(198, 255, 74, 0.14);
}

.page-contact .flow__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 6px;
}

.page-contact .flow__row h3 {
  margin: 0;
}

.page-contact .flow__time {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.12em;
  color: var(--amber-500);
  border: 1px solid rgba(255, 138, 61, 0.35);
  border-radius: 999px;
  padding: 2px 10px;
}

.page-contact .flow__step p {
  font-size: var(--step-small);
  color: var(--fog-400);
}

/* ---------- 问题分流 ---------- */
.page-contact .channels__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .channels__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 15px 18px;
  border: 1px solid var(--edge-500);
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  background: var(--panel-700);
  color: var(--mint-200);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .channels__link:hover,
.page-contact .channels__link:focus-visible {
  border-color: var(--lime-400);
  border-left-color: var(--lime-400);
  background: var(--panel-600);
  transform: translateX(4px);
}

.page-contact .channels__idx {
  font-family: var(--font-mono);
  font-size: var(--step-micro);
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-contact .channels__name {
  flex: 1 1 200px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .channels__note {
  display: block;
  margin-top: 3px;
  font-size: var(--step-small);
  font-weight: 400;
  color: var(--fog-400);
}

.page-contact .channels__go {
  font-family: var(--font-mono);
  font-size: var(--step-small);
  color: var(--lime-400);
}

/* ---------- 隐私 ---------- */
.page-contact .privacy {
  background: var(--panel-700);
  border: 1px solid var(--edge-500);
  border-left: 2px solid var(--amber-500);
  border-radius: var(--radius);
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .privacy h2 {
  font-size: var(--step-h3);
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0;
}

.page-contact .privacy > p {
  font-size: var(--step-small);
  color: var(--fog-400);
  max-width: 66ch;
}

.page-contact .privacy__list {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .privacy__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--step-small);
  color: var(--fog-400);
}

.page-contact .privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 1px;
  background: var(--lime-400);
}

.page-contact .privacy__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step-small);
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, 0.42);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .privacy__link:hover,
.page-contact .privacy__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 收藏提示 ---------- */
.page-contact .save-strip {
  padding: 22px 24px;
  border-left: 2px solid var(--lime-400);
  background: linear-gradient(90deg, rgba(198, 255, 74, 0.09), rgba(198, 255, 74, 0) 70%);
}

.page-contact .save-strip__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--white);
  margin-bottom: 8px;
}

.page-contact .save-strip__text {
  font-size: var(--step-small);
  color: var(--fog-400);
  max-width: 62ch;
}

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

@media (min-width: 900px) {
  .page-contact .duty {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: stretch;
  }

  .page-contact .duty__media {
    align-self: stretch;
  }

  .page-contact .flow__steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 40px;
  }

  .page-contact .flow__step {
    padding-bottom: 8px;
  }

  .page-contact .flow__step::before {
    display: none;
  }
}

@media (min-width: 1100px) {
  .page-contact .prep__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-contact .channels__link {
    transition: none;
  }

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