.page-contact {
  --contact-cut: 14px;
  --contact-gap: clamp(1rem, 2.5vw, 1.75rem);
  color: var(--paper);
  background: var(--felt);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: clamp(1rem, 2.5vw, 2rem);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(58vw, 620px);
  height: min(58vw, 620px);
  background: radial-gradient(circle at 55% 45%, rgba(43, 232, 200, 0.16), transparent 62%);
  pointer-events: none;
  z-index: -1;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-contact .contact-hero__intro {
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  max-width: 36em;
  font-size: 1.02rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-hero h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2rem, 6.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  font-weight: 800;
}

/* 通道卡片 */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-contact .channel {
  position: relative;
  padding: 1rem 1.15rem 1.15rem;
  background: linear-gradient(152deg, var(--panel), var(--felt-2) 88%);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, 0 100%);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0.85rem;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .channel--address {
  background: linear-gradient(152deg, var(--felt-2), var(--felt));
}

.page-contact .channel__key {
  margin: 0 0 0.45rem;
  padding-left: 2.1rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-contact .channel__value {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 3.4vw, 1.18rem);
  line-height: 1.4;
  color: var(--cyan-soft);
  overflow-wrap: anywhere;
}

.page-contact .channel__value--plain {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .channel__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

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

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

.page-contact .fig-frame__cap {
  margin-top: 0.6rem;
}

/* ---------- 提交准备 ---------- */
.page-contact .prep__lead {
  max-width: 44em;
  margin: 0 0 clamp(1.25rem, 3vw, 1.9rem);
  color: var(--muted);
  line-height: 1.78;
}

.page-contact .prep__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.95rem 1.05rem;
  background: var(--panel);
  border-left: 2px solid var(--cyan);
}

.page-contact .checklist__box {
  width: 13px;
  height: 13px;
  margin-top: 0.35rem;
  border: 1px solid var(--cyan);
  position: relative;
  flex: none;
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 1px;
  width: 6px;
  height: 3px;
  border-left: 1.5px solid var(--amber);
  border-bottom: 1.5px solid var(--amber);
  transform: rotate(-45deg);
}

.page-contact .checklist__title {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-contact .checklist__body p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

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

/* ---------- 响应节奏 ---------- */
.page-contact .rhythm .section-head {
  align-items: baseline;
  gap: 0.75rem;
}

.page-contact .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.15rem;
  display: grid;
  gap: 1.15rem;
  position: relative;
}

.page-contact .timeline::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 78%);
}

.page-contact .timeline__node {
  position: relative;
  padding: 0.35rem 0.6rem 0.55rem 0.85rem;
  border-left: 1px solid transparent;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .timeline__node::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 0.68rem;
  width: 8px;
  height: 8px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .timeline__node:hover,
.page-contact .timeline__node:focus-within {
  background: var(--felt-2);
  border-left-color: var(--cyan);
}

.page-contact .timeline__time {
  margin: 0 0 0.25rem;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  color: var(--amber);
}

.page-contact .timeline__title {
  margin: 0 0 0.3rem;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-contact .timeline__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 常见场景 ---------- */
.page-contact .scenes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--contact-cut)) 0, 100% var(--contact-cut), 100% 100%, var(--contact-cut) 100%, 0 calc(100% - var(--contact-cut)));
}

.page-contact .scene {
  background: var(--felt-2);
  padding: clamp(1.1rem, 3vw, 1.6rem);
}

.page-contact .scene:nth-child(2),
.page-contact .scene:nth-child(3) {
  background: var(--panel);
}

.page-contact .scene__num {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .scene__title {
  margin: 0 0 0.55rem;
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.page-contact .scene__need {
  margin: 0 0 0.55rem;
  padding: 0.5rem 0.7rem;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--amber);
  background: rgba(242, 179, 61, 0.07);
  border-left: 2px solid var(--amber);
}

.page-contact .scene__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 服务范围 ---------- */
.page-contact .coverage {
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .coverage__grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: start;
}

.page-contact .coverage__text h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.page-contact .coverage__text p {
  max-width: 36em;
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .coverage__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}

.page-contact .coverage__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .coverage__stat {
  background: var(--felt-2);
  padding: 1rem 0.95rem 1.1rem;
  display: grid;
  gap: 0.2rem;
}

.page-contact .coverage__num {
  font-size: clamp(1.7rem, 6vw, 2.3rem);
  line-height: 1;
  color: var(--cyan);
}

.page-contact .coverage__num em {
  font-style: normal;
  font-size: 0.5em;
  margin-left: 0.1em;
  color: var(--muted);
}

.page-contact .coverage__unit {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .coverage__desc {
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .prep__figure {
    position: sticky;
    top: 5rem;
  }

  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(0.9rem, 2vw, 1.6rem);
    padding: 1.9rem 0 0;
  }

  .page-contact .timeline::before {
    left: 0;
    right: 0;
    top: 0.6rem;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--line) 72%);
  }

  .page-contact .timeline__node {
    padding: 0.55rem 0.7rem 0.7rem;
    border-left: 1px solid transparent;
  }

  .page-contact .timeline__node::before {
    left: 0;
    top: -1.62rem;
  }

  .page-contact .coverage__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }

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

@media (min-width: 1080px) {
  .page-contact .scene {
    padding: 1.7rem 1.75rem 1.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .timeline__node {
    transition: none;
  }
}
<<<END>>>