.page-contact {
  --pc-rule: 1px solid var(--grid-line);
  --pc-shadow: 8px 8px 0 -1px var(--jewel-indigo);
  --pc-shadow-soft: 5px 5px 0 -1px rgba(27, 33, 69, .9);
}

/* ========== 首屏拼贴 ========== */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-m);
  align-items: end;
  padding-block: var(--space-m) var(--space-l);
}

.page-contact .contact-hero__kicker {
  margin: 0 0 var(--space-s);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--signal-cyan);
}

.page-contact .contact-hero h1 {
  margin: 0 0 var(--space-s);
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper-white);
  max-width: 17ch;
}

.page-contact .contact-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper-88);
}

.page-contact .contact-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
  margin: var(--space-m) 0 0;
  padding: 0;
}

.page-contact .contact-hero__meta li {
  padding: .3rem .6rem;
  border: var(--pc-rule);
  background: var(--pitch-deep);
  font-size: 13px;
  color: var(--chalk-grey);
}

.page-contact .contact-hero__meta .num {
  color: var(--signal-cyan);
}

.page-contact .contact-hero__media {
  margin: 0;
  box-shadow: var(--pc-shadow);
}

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

/* ========== 页内目录 ========== */
.page-contact .page-index {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  border-top: var(--pc-rule);
  border-bottom: var(--pc-rule);
  margin-bottom: var(--space-l);
  -webkit-overflow-scrolling: touch;
}

.page-contact .page-index__item {
  flex: 0 0 auto;
  padding: .8rem 1rem;
  border-right: var(--pc-rule);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--chalk-grey);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .page-index__item:hover,
.page-contact .page-index__item:focus-visible {
  color: var(--ink-charcoal);
  background: var(--signal-cyan);
}

.page-contact .page-index__item[aria-current="true"] {
  color: var(--signal-cyan);
  background: var(--pitch-deep);
  box-shadow: inset 0 -2px 0 var(--signal-cyan);
}

/* ========== 章节通用 ========== */
.page-contact .contact-block {
  padding-block: var(--space-l);
  border-top: var(--pc-rule);
}

.page-contact .contact-block .section-head {
  margin-bottom: var(--space-m);
}

.page-contact .contact-aside {
  margin: var(--space-m) 0 0;
  padding: .9rem 1rem;
  border-left: 2px solid var(--brocade-red-lite);
  background: var(--jewel-indigo);
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-88);
}

/* ========== 三类事项步骤条 ========== */
.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .route-list__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-s);
  padding: var(--space-m) 0 var(--space-m) 2.25rem;
  border-top: var(--pc-rule);
}

.page-contact .route-list__item:last-child {
  border-bottom: var(--pc-rule);
}

.page-contact .route-list__item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 9px;
  top: calc(var(--space-m) + 30px);
  bottom: -2px;
  width: 2px;
  background: linear-gradient(180deg, rgba(70, 227, 196, .55), rgba(70, 227, 196, 0));
  transform: rotate(2deg);
  transform-origin: top left;
  pointer-events: none;
}

.page-contact .route-list__num {
  position: absolute;
  left: 0;
  top: var(--space-m);
  padding: .15rem .4rem;
  border: 1px solid var(--brocade-red);
  background: rgba(192, 57, 43, .16);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brocade-red-lite);
  line-height: 1;
}

.page-contact .route-list__title {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper-white);
}

.page-contact .route-list__title::after {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-top: .5rem;
  background: var(--signal-cyan);
}

.page-contact .route-list__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-88);
}

.page-contact .route-list__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: var(--space-s) 0 0;
  padding: 0;
}

.page-contact .route-list__facts li {
  padding: .3rem .55rem;
  border: var(--pc-rule);
  font-size: 13px;
  color: var(--chalk-grey);
}

.page-contact .route-list__cta {
  justify-self: start;
  text-decoration: none;
}

/* ========== 看台横幅 ========== */
.page-contact .contact-banner {
  margin: var(--space-l) 0 0;
  border: var(--pc-rule);
}

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

/* ========== 联系方式卡片 ========== */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-m);
}

.page-contact .channel {
  position: relative;
  padding: var(--space-m);
  border: var(--pc-rule);
  background: var(--pitch-deep);
  box-shadow: var(--pc-shadow-soft);
}

.page-contact .channel--mail {
  background: var(--jewel-indigo);
}

.page-contact .channel__key {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chalk-grey);
}

.page-contact .channel__val {
  margin: 0 0 .7rem;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.6vw, 1.2rem);
  line-height: 1.45;
  color: var(--signal-cyan);
  word-break: break-all;
}

.page-contact .channel--phone .channel__val {
  color: var(--alert-orange);
  letter-spacing: .02em;
}

.page-contact .channel--addr .channel__val {
  color: var(--paper-white);
  font-size: 1rem;
  word-break: normal;
}

.page-contact .channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-72);
}

.page-contact .channel__hint {
  margin: .75rem 0 0;
  padding-top: .7rem;
  border-top: var(--pc-rule);
  font-size: 12px;
  color: var(--chalk-grey);
}

/* ========== 信息清单 ========== */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .checklist__item {
  display: flex;
  align-items: flex-start;
  gap: .8rem;
  padding-bottom: .85rem;
  margin-bottom: .85rem;
  border-bottom: var(--pc-rule);
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-88);
}

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

.page-contact .checklist__box {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: .38rem;
  border: 1px solid var(--signal-cyan);
  background: rgba(70, 227, 196, .12);
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  width: 5px;
  height: 9px;
  border-right: 2px solid var(--signal-cyan);
  border-bottom: 2px solid var(--signal-cyan);
  transform: rotate(40deg);
}

/* ========== 回复节奏 ========== */
.page-contact .pace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-m);
  padding: var(--space-m);
  border: var(--pc-rule);
  background: linear-gradient(140deg, var(--pitch-deep) 0%, var(--jewel-indigo) 100%);
}

.page-contact .pace__figure {
  border-bottom: var(--pc-rule);
  padding-bottom: var(--space-s);
}

.page-contact .pace__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(3.2rem, 15vw, 5.4rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--signal-cyan);
}

.page-contact .pace__unit {
  margin: .6rem 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--chalk-grey);
}

.page-contact .pace__lead {
  margin: 0 0 var(--space-s);
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper-88);
}

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

.page-contact .pace__list li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: .7rem;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-72);
}

.page-contact .pace__list li:last-child {
  margin-bottom: 0;
}

.page-contact .pace__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: 6px;
  height: 6px;
  background: var(--alert-orange);
}

/* ========== 纠错流程 ========== */
.page-contact .fix-flow {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: var(--pc-rule);
}

.page-contact .fix-flow__step {
  position: relative;
  padding: var(--space-m) 0 var(--space-m) 1.5rem;
  border-bottom: var(--pc-rule);
}

.page-contact .fix-flow__step::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--grid-line);
  transform: rotate(1.2deg);
  transform-origin: top center;
}

.page-contact .fix-flow__num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--alert-orange);
}

.page-contact .fix-flow__title {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper-white);
}

.page-contact .fix-flow__step p:not(.fix-flow__num) {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-72);
}

/* ========== 延伸入口 ========== */
.page-contact .contact-next {
  margin-top: var(--space-l);
  padding-top: var(--space-m);
  border-top: 2px solid var(--signal-cyan);
}

.page-contact .contact-next__title {
  margin: 0 0 var(--space-s);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--chalk-grey);
}

/* ========== 断点 ========== */
@media (min-width: 720px) {
  .page-contact .route-list__item {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    padding-left: 2.75rem;
  }

  .page-contact .route-list__cta {
    justify-self: end;
    margin-top: .25rem;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.35fr 1fr 1fr;
    align-items: start;
  }

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

  .page-contact .fix-flow__step {
    padding-left: 1.75rem;
    padding-right: var(--space-m);
    border-top: var(--pc-rule);
    border-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-l);
    padding-block: var(--space-l);
  }

  .page-contact .pace {
    grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--space-l);
    padding: var(--space-l) var(--space-m);
  }

  .page-contact .pace__figure {
    border-bottom: 0;
    border-right: var(--pc-rule);
    padding-bottom: 0;
    padding-right: var(--space-m);
  }

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

  .page-contact .checklist {
    max-width: 72ch;
  }
}

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