.page-contact {
  display: block;
  background: var(--bx-mist);
}

.page-contact .contact-shell {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(16px, 2.6vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  display: grid;
  gap: clamp(24px, 4.4vw, 52px);
  align-items: end;
  padding-bottom: clamp(32px, 5vw, 60px);
  border-bottom: 1px solid var(--bx-line);
}

.page-contact .contact-hero__title {
  margin: 10px 0 0;
  font-family: var(--bx-font-head);
  font-weight: 700;
  font-size: clamp(36px, 8vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.018em;
  color: var(--bx-ink);
  text-wrap: balance;
}

.page-contact .contact-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 62ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.78;
  color: var(--bx-slate);
}

.page-contact .contact-hero__visual {
  position: relative;
  overflow: hidden;
  border-radius: var(--bx-radius-l);
  border: 1px solid var(--bx-line);
  background: var(--bx-ink);
  box-shadow: var(--bx-shadow-l);
  aspect-ratio: 14 / 9;
}

.page-contact .contact-hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(244, 247, 242, 0.16) 1px, transparent 1px);
  background-size: 12px 12px;
  mix-blend-mode: lighten;
  opacity: 0.6;
}

@media (min-width: 940px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

/* ---------- 主体分栏 ---------- */

.page-contact .contact-layout {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(30px, 5vw, 58px);
}

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

@media (min-width: 1060px) {
  .page-contact .contact-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .contact-aside {
    display: block;
    position: sticky;
    top: 108px;
  }
}

.page-contact .contact-index {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px;
  border: 1px solid var(--bx-line);
  border-radius: var(--bx-radius-m);
  background: var(--bx-white);
}

.page-contact .contact-index .index-nav__link {
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--bx-slate);
  text-decoration: none;
  border-radius: var(--bx-radius-s);
  border-left: 2px solid transparent;
  transition: color 0.2s var(--bx-ease), background 0.2s var(--bx-ease),
    border-color 0.2s var(--bx-ease);
}

.page-contact .contact-index .index-nav__link:hover {
  color: var(--bx-ink);
  background: rgba(31, 122, 76, 0.06);
}

.page-contact .contact-index .index-nav__link.is-active {
  color: var(--bx-ink);
  font-weight: 600;
  background: rgba(200, 255, 61, 0.26);
  border-left-color: var(--bx-field);
}

.page-contact .contact-content {
  display: block;
  min-width: 0;
}

/* ---------- 章节骨架 ---------- */

.page-contact .contact-section {
  padding: clamp(30px, 4.6vw, 54px) 0;
  border-top: 1px solid var(--bx-line-soft);
}

.page-contact .contact-content > .contact-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(12px, 2.2vw, 24px);
  row-gap: 8px;
  align-items: start;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-contact .section__head > .chapter-num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--bx-font-num);
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: var(--bx-field);
}

.page-contact .section__head > .section__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--bx-font-serif);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 33px);
  line-height: 1.2;
  color: var(--bx-ink);
}

.page-contact .section__head > .section__lead {
  grid-column: 1 / -1;
  grid-row: 2;
  margin: 0;
  max-width: 68ch;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--bx-slate);
}

/* ---------- 01 联系渠道 ---------- */

.page-contact .channel-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(30px, 3.2vw, 38px) clamp(18px, 2.4vw, 26px) clamp(20px, 2.6vw, 26px);
  background: var(--bx-white);
  border: 1px solid var(--bx-line);
  border-radius: var(--bx-radius-m);
  box-shadow: var(--bx-shadow-s);
  transition: border-color 0.25s var(--bx-ease), box-shadow 0.25s var(--bx-ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(18px, 2.4vw, 26px);
  right: clamp(18px, 2.4vw, 26px);
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--bx-field), var(--bx-teal));
}

.page-contact .channel-card:nth-child(2)::before {
  background: linear-gradient(90deg, var(--bx-field), var(--bx-lime));
}

.page-contact .channel-card:nth-child(3)::before {
  background: linear-gradient(90deg, var(--bx-orange), var(--bx-orange-deep));
}

.page-contact .channel-card:hover {
  border-color: rgba(31, 122, 76, 0.4);
  box-shadow: var(--bx-shadow-m);
}

.page-contact .channel-card .data-card__label {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bx-slate);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--bx-font-num);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--bx-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card .data-card__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--bx-slate);
}

/* ---------- 02 咨询范围 ---------- */

.page-contact .topic-layout {
  display: grid;
  gap: clamp(20px, 3.2vw, 34px);
}

@media (min-width: 900px) {
  .page-contact .topic-layout {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }
}

.page-contact .topic-list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: var(--bx-radius-l);
  background: var(--bx-ink);
  overflow: hidden;
}

.page-contact .topic-list::before {
  content: "";
  position: absolute;
  inset: -40% -30% auto auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 122, 76, 0.42), transparent 70%);
  pointer-events: none;
}

.page-contact .topic-item {
  position: relative;
  border: 1px solid var(--bx-line-dark);
  border-radius: var(--bx-radius-m);
  background: rgba(244, 247, 242, 0.04);
  overflow: hidden;
}

.page-contact .topic-item[open] {
  background: rgba(244, 247, 242, 0.075);
  border-color: rgba(200, 255, 61, 0.3);
}

.page-contact .topic-item__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px clamp(14px, 1.8vw, 18px);
  cursor: pointer;
  list-style: none;
  color: var(--bx-on-dark-strong);
}

.page-contact .topic-item__summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic-item__summary::marker {
  content: "";
}

.page-contact .topic-item__head {
  font-family: var(--bx-font-head);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.4;
}

.page-contact .topic-item__cue {
  position: relative;
  flex: 0 0 14px;
  width: 14px;
  height: 14px;
  margin-left: auto;
}

.page-contact .topic-item__cue::before,
.page-contact .topic-item__cue::after {
  content: "";
  position: absolute;
  background: var(--bx-lime);
  transition: transform 0.22s var(--bx-ease), opacity 0.22s var(--bx-ease);
}

.page-contact .topic-item__cue::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-contact .topic-item__cue::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-contact .topic-item[open] .topic-item__cue::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .topic-item__body {
  margin: 0;
  padding: 0 clamp(14px, 1.8vw, 18px) 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--bx-on-dark);
}

.page-contact .topic-visual {
  margin: 0;
  border-radius: var(--bx-radius-l);
  overflow: hidden;
  border: 1px solid var(--bx-line);
  background: var(--bx-white);
}

.page-contact .topic-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-contact .topic-visual__caption {
  margin: 0;
  padding: 14px clamp(16px, 2vw, 20px) 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--bx-slate);
  border-top: 1px solid var(--bx-line-soft);
}

/* ---------- 03 重庆本地服务 ---------- */

.page-contact .city-panel {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(22px, 3.4vw, 38px);
  border-radius: var(--bx-radius-l);
  border: 1px solid var(--bx-line);
  background: linear-gradient(135deg, rgba(31, 122, 76, 0.08), rgba(11, 79, 74, 0.04)),
    var(--bx-white);
  overflow: hidden;
}

.page-contact .city-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(58deg, var(--bx-line-soft) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(-58deg, var(--bx-line-soft) 0 1px, transparent 1px 36px);
  opacity: 0.9;
}

.page-contact .city-panel__info,
.page-contact .city-panel__text {
  position: relative;
}

.page-contact .city-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--bx-line-soft);
}

.page-contact .city-row:first-child {
  padding-top: 0;
}

.page-contact .city-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .city-row__key {
  margin: 0;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bx-slate);
}

.page-contact .city-row__val {
  margin: 0;
  font-family: var(--bx-font-num);
  font-size: clamp(15.5px, 1.9vw, 19px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--bx-ink);
  overflow-wrap: anywhere;
}

.page-contact .city-panel__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bx-slate);
  align-self: center;
}

@media (min-width: 880px) {
  .page-contact .city-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: center;
  }
}

/* ---------- 04 邮寄与到访 ---------- */

.page-contact .visit-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
}

@media (min-width: 780px) {
  .page-contact .visit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .visit-card {
  padding-top: 18px;
  border-top: 2px solid var(--bx-orange);
}

.page-contact .visit-card:nth-child(2) {
  border-top-color: var(--bx-field);
}

.page-contact .visit-card:nth-child(3) {
  border-top-color: var(--bx-teal);
}

.page-contact .visit-card h3 {
  margin: 0 0 10px;
  font-family: var(--bx-font-head);
  font-size: clamp(16px, 1.8vw, 18px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--bx-ink);
}

.page-contact .visit-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--bx-slate);
}

/* ---------- 05 资料协作 ---------- */

.page-contact .partner-grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  margin-bottom: clamp(22px, 3vw, 32px);
}

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

.page-contact .partner-stat {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--bx-radius-m);
  background: var(--bx-teal);
  border: 1px solid rgba(143, 214, 148, 0.22);
  overflow: hidden;
}

.page-contact .partner-stat::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -70px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 255, 61, 0.18), transparent 70%);
  pointer-events: none;
}

.page-contact .partner-stat .data-card__label {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(244, 247, 242, 0.72);
}

.page-contact .partner-stat .data-card__value {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 10px 0 8px;
  font-family: var(--bx-font-num);
  font-size: clamp(34px, 5.4vw, 50px);
  font-weight: 700;
  line-height: 1;
  color: var(--bx-lime);
  letter-spacing: -0.03em;
}

.page-contact .partner-stat .data-card__unit {
  font-size: 15px;
  font-weight: 500;
  color: rgba(244, 247, 242, 0.72);
}

.page-contact .partner-stat .data-card__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(244, 247, 242, 0.68);
}

.page-contact .partner-steps {
  counter-reset: step;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--bx-line);
}

.page-contact .partner-steps li {
  counter-increment: step;
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--bx-line-soft);
  font-size: 15px;
  line-height: 1.8;
  color: var(--bx-ink);
}

.page-contact .partner-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--bx-font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--bx-field);
}

/* ---------- 尾部引导 ---------- */

.page-contact .contact-cta {
  position: relative;
  margin-top: clamp(24px, 3.6vw, 44px);
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--bx-radius-l);
  background: var(--bx-ink);
  overflow: hidden;
}

.page-contact .contact-cta::after {
  content: "";
  position: absolute;
  top: -130px;
  right: -90px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 122, 76, 0.55), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-cta__title {
  position: relative;
  margin: 0;
  font-family: var(--bx-font-serif);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.25;
  color: var(--bx-on-dark-strong);
}

.page-contact .contact-cta__text {
  position: relative;
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bx-on-dark);
}

.page-contact .contact-cta__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 26px);
}
<<<END>>>