.page-contact {
  --contact-pad: 20px;
  --contact-max: 1180px;
  --paper-muted: #4d5768;
  background: var(--ink-900);
  color: var(--text-hi);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-contact .contact-shell {
  width: 100%;
  max-width: var(--contact-max);
  margin: 0 auto;
  padding-left: var(--contact-pad);
  padding-right: var(--contact-pad);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact .contact-fix a:focus-visible {
  outline-color: var(--teal-600);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs {
  padding-top: 22px;
}

.page-contact .contact-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-lo);
}

.page-contact .contact-crumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-contact .contact-crumbs li + li::before {
  content: "/";
  color: #46536b;
}

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

.page-contact .contact-crumbs a:hover,
.page-contact .contact-crumbs a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-contact .contact-crumbs [aria-current="page"] {
  color: var(--text-hi);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 40px 0 0;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -90px 0 0 0;
  background:
    radial-gradient(720px 360px at 88% -10%, rgba(55, 230, 208, 0.18), transparent 68%),
    radial-gradient(560px 340px at 0% 62%, rgba(255, 107, 44, 0.14), transparent 70%);
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-contact .contact-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-contact .contact-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: currentColor;
}

.page-contact .contact-eyebrow--paper {
  color: var(--teal-600);
}

.page-contact .contact-h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 8.6vw, 72px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-hi);
}

.page-contact .contact-h1__hl {
  color: var(--orange-500);
}

.page-contact .contact-lede {
  margin: 0 0 26px;
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-lo);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-contact .contact-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--ink-700);
  font-size: 13px;
  color: var(--text-lo);
}

.page-contact .contact-fact b {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--amber-400);
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: 6px 40px 6px 40px;
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.95);
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(55, 230, 208, 0.16), transparent 46%);
  pointer-events: none;
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 700;
  object-fit: cover;
}

/* ---------- 分栏：渠道 / 材料 ---------- */
.page-contact .contact-split {
  padding: 60px 0 12px;
}

.page-contact .contact-split__inner {
  display: grid;
  gap: 44px;
}

.page-contact .contact-h2 {
  margin: 0 0 18px;
  font-size: clamp(24px, 5.2vw, 34px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text-hi);
}

.page-contact .contact-copy {
  margin: 0 0 22px;
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-lo);
}

.page-contact .contact-split__ruler {
  display: none;
}

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

.page-contact .channel-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--ink-700);
  border-left: 2px solid var(--card-accent, var(--ink-700));
  border-radius: 0 26px 26px 26px;
  background: linear-gradient(155deg, var(--ink-800), #101a2b);
  overflow: hidden;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 48px;
  height: 48px;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  background: linear-gradient(
    135deg,
    transparent calc(50% - 0.5px),
    var(--card-accent, var(--ink-700)) calc(50% - 0.5px),
    var(--card-accent, var(--ink-700)) calc(50% + 0.5px),
    transparent calc(50% + 0.5px)
  );
  opacity: 0.55;
  pointer-events: none;
}

.page-contact .channel-card--mail {
  --card-accent: var(--cyan-400);
}

.page-contact .channel-card--phone {
  --card-accent: var(--orange-500);
}

.page-contact .channel-card--address {
  --card-accent: var(--amber-400);
}

.page-contact .channel-card__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--card-accent, var(--cyan-400));
}

.page-contact .channel-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-hi);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.4vw, 16px);
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: var(--text-hi);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.85;
  font-weight: 500;
}

.page-contact .channel-card__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-lo);
}

/* ---------- 材料清单 ---------- */
.page-contact .prep-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-700);
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-contact .prep-item__num {
  grid-column: 1;
  grid-row: 1 / span 3;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan-400);
}

.page-contact .prep-item__name {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-hi);
}

.page-contact .prep-item__desc {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-lo);
}

.page-contact .prep-item__why {
  grid-column: 2;
  grid-row: 3;
  justify-self: start;
  margin-top: 6px;
  padding: 3px 10px;
  border: 1px solid rgba(111, 227, 176, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--green-300);
}

.page-contact .prep-note {
  margin: 0 0 24px;
  padding-left: 14px;
  border-left: 2px solid var(--ink-700);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-lo);
}

.page-contact .prep-note a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 208, 0.4);
}

.page-contact .prep-note a:hover,
.page-contact .prep-note a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-contact .contact-figure {
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: 24px;
  overflow: hidden;
  background: var(--ink-800);
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 700;
  object-fit: cover;
}

.page-contact .contact-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--ink-700);
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-lo);
}

/* ---------- 响应节奏 ---------- */
.page-contact .contact-rhythm {
  padding: 60px 0 20px;
}

.page-contact .rhythm-head {
  margin-bottom: 12px;
}

.page-contact .rhythm-track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-contact .rhythm-step {
  position: relative;
  padding-left: 28px;
}

.page-contact .rhythm-step::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: -26px;
  width: 1px;
  background: var(--ink-700);
}

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

.page-contact .rhythm-step__dot {
  position: absolute;
  left: 0;
  top: 8px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border: 2px solid var(--cyan-400);
  border-radius: 50%;
  background: var(--ink-900);
}

.page-contact .rhythm-step__kicker {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-contact .rhythm-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-hi);
}

.page-contact .rhythm-step__text {
  margin: 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-lo);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-routes {
  padding: 60px 0 64px;
}

.page-contact .route-grid {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.page-contact .route-card {
  position: relative;
  display: block;
  padding: 22px 20px 20px;
  border: 1px solid var(--ink-700);
  border-radius: 4px 22px 22px 22px;
  background: rgba(19, 28, 46, 0.7);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-contact .route-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan-400);
}

.page-contact .route-card__title {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-hi);
}

.page-contact .route-card__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-lo);
}

.page-contact .route-card__go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green-300);
}

/* ---------- 内容纠错 ---------- */
.page-contact .contact-fix {
  margin-top: 8px;
  padding: 56px 0 64px;
  border-radius: 40px 40px 0 0;
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-contact .contact-fix__inner {
  display: grid;
  gap: 32px;
}

.page-contact .contact-fix__title {
  margin: 0 0 16px;
  font-size: clamp(26px, 5.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-contact .contact-fix__lede {
  margin: 0;
  max-width: 34ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-muted);
}

.page-contact .fix-template__list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-contact .fix-template__list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(11, 18, 32, 0.12);
}

.page-contact .fix-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--teal-600);
}

.page-contact .fix-template__list h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

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

.page-contact .fix-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  padding: 18px 20px;
  border-radius: 6px 24px 6px 24px;
  background: var(--ink-900);
  color: var(--text-hi);
}

.page-contact .fix-mail__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

.page-contact .fix-mail__addr {
  flex: 1 1 200px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.2vw, 15px);
  color: var(--text-hi);
  overflow-wrap: anywhere;
}

.page-contact .contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.22s var(--ease-out), color 0.22s var(--ease-out);
}

.page-contact .contact-btn--primary {
  background: var(--orange-500);
  color: #12100e;
}

.page-contact .contact-btn--primary:hover,
.page-contact .contact-btn--primary:focus-visible {
  background: var(--amber-400);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-pad {
    --contact-pad: 28px;
  }

  .page-contact .prep-item {
    grid-template-columns: 46px minmax(0, 1fr) auto;
  }

  .page-contact .prep-item__why {
    grid-column: 3;
    grid-row: 1 / span 3;
    align-self: center;
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-contact {
    --contact-pad: 32px;
  }

  .page-contact .contact-hero {
    padding-top: 56px;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
    align-items: center;
  }

  .page-contact .contact-split {
    padding: 100px 0 28px;
  }

  .page-contact .contact-split__inner {
    grid-template-columns: minmax(0, 1fr) 2px minmax(0, 1fr);
    column-gap: 0;
    align-items: stretch;
  }

  .page-contact .contact-split__channels {
    padding-right: 46px;
  }

  .page-contact .contact-split__prepare {
    padding-left: 46px;
  }

  .page-contact .contact-split__ruler {
    display: block;
    align-self: stretch;
    background: repeating-linear-gradient(
      to bottom,
      var(--cyan-400) 0 6px,
      transparent 6px 22px
    );
    opacity: 0.4;
  }

  .page-contact .contact-rhythm {
    padding: 96px 0 32px;
  }

  .page-contact .rhythm-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    margin-top: 12px;
    padding-top: 32px;
    border-top: 1px solid var(--ink-700);
  }

  .page-contact .rhythm-step {
    padding: 0 30px 0 0;
  }

  .page-contact .rhythm-step::before {
    display: none;
  }

  .page-contact .rhythm-step__dot {
    top: -38px;
    left: 0;
  }

  .page-contact .contact-routes {
    padding: 84px 0 96px;
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 30px;
  }

  .page-contact .contact-fix {
    padding: 76px 0 88px;
  }

  .page-contact .contact-fix__inner {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .fix-template__list {
    margin-top: 4px;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-split__channels {
    padding-right: 64px;
  }

  .page-contact .contact-split__prepare {
    padding-left: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-card,
  .page-contact .contact-btn,
  .page-contact .contact-crumbs a {
    transition: none;
  }

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