.page-contact {
  display: block;
  background: var(--royal-blue-950);
  color: var(--ivory-100);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: clamp(18px, 3vw, 30px) 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--slate-300);
}
.page-contact .breadcrumb a {
  color: var(--champagne-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.page-contact .breadcrumb a:hover {
  color: var(--champagne-500);
  border-bottom-color: var(--brass-line);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  position: relative;
  padding: clamp(28px, 5vw, 66px) 0 clamp(42px, 6vw, 92px);
}
.page-contact .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brass-line), transparent);
}
.page-contact .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}
.page-contact .hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 88px);
  line-height: 1.08;
  letter-spacing: .012em;
  margin: .16em 0 .3em;
  color: var(--ivory-100);
}
.page-contact .hero__lede {
  max-width: 620px;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.88;
  color: var(--slate-300);
}
.page-contact .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 34px);
}
.page-contact .hero__note {
  margin: 22px 0 0;
  font-size: 11.5px;
  letter-spacing: .24em;
  color: var(--champagne-200);
  opacity: .78;
}
.page-contact .hero__figure {
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(140deg, var(--royal-blue-700), var(--royal-blue-950));
  box-shadow: 0 22px 46px -32px rgba(0, 0, 0, .92);
}
.page-contact .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 通用标题组 ---------- */
.page-contact .section-head {
  max-width: 760px;
}
.page-contact .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.4vw, 38px);
  line-height: 1.26;
  letter-spacing: .01em;
  margin: .22em 0 .55em;
  color: var(--ivory-100);
}
.page-contact .lede {
  max-width: 640px;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.88;
  color: var(--slate-300);
}

/* ---------- 联络方式 ---------- */
.page-contact .channels-sec {
  padding: clamp(44px, 6vw, 84px) 0;
}
.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(26px, 3.6vw, 46px);
}
.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(22, 48, 95, .62), rgba(5, 11, 26, .5));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}
.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: rgba(201, 164, 92, .78);
}
.page-contact .channel .chip {
  align-self: flex-start;
}
.page-contact .channel__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 4px 0 0;
  color: var(--ivory-100);
}
.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(19px, 2.1vw, 25px);
  letter-spacing: .04em;
  color: var(--champagne-500);
  word-break: break-word;
}
.page-contact .channel--addr .channel__value {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  letter-spacing: .02em;
  line-height: 1.7;
  color: var(--ivory-100);
}
.page-contact .channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate-300);
}
.page-contact .channel__meta {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair-soft);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--champagne-200);
}

/* ---------- 两步流程 ---------- */
.page-contact .how {
  padding: clamp(44px, 6vw, 84px) 0;
  border-top: 1px solid var(--hair-soft);
  border-bottom: 1px solid var(--hair-soft);
  background: linear-gradient(180deg, rgba(10, 23, 51, .68), rgba(5, 11, 26, 0));
}
.page-contact .how__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 62px);
}
.page-contact .how__figure {
  margin: clamp(24px, 3vw, 34px) 0 0;
}
.page-contact .how__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
}

.page-contact .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 6px 0 6px 36px;
}
.page-contact .timeline::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--champagne-500), rgba(201, 164, 92, .12));
}
.page-contact .step {
  position: relative;
  padding-bottom: clamp(26px, 3.4vw, 44px);
}
.page-contact .step:last-child {
  padding-bottom: 0;
}
.page-contact .step__num {
  position: absolute;
  left: -36px;
  top: 0;
  width: 23px;
  height: 23px;
  display: grid;
  place-items: center;
  border: 1px solid var(--champagne-500);
  border-radius: 50%;
  background: var(--royal-blue-950);
  color: var(--champagne-500);
  font-size: 12px;
  letter-spacing: 0;
}
.page-contact .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.42;
  margin: 0 0 10px;
  color: var(--ivory-100);
}
.page-contact .step__text {
  max-width: 620px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--slate-300);
}
.page-contact .step__more {
  max-width: 620px;
  margin-top: 14px;
  padding: 0 16px;
  border: 1px solid var(--hair-soft);
  border-radius: var(--radius);
  background: var(--glass-veil);
}
.page-contact .step__more summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--champagne-200);
}
.page-contact .step__more summary::-webkit-details-marker {
  display: none;
}
.page-contact .step__more summary::after {
  content: "+";
  float: right;
  font-size: 16px;
  line-height: 1;
  color: var(--champagne-500);
}
.page-contact .step__more[open] summary::after {
  content: "–";
}
.page-contact .step__more p {
  margin: 0;
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--slate-300);
}

/* ---------- 回应节奏 ---------- */
.page-contact .rhythm {
  padding: clamp(44px, 6vw, 84px) 0;
}
.page-contact .rhythm__list {
  list-style: none;
  max-width: 900px;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--hair-soft);
}
.page-contact .rhythm__list li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 6px 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--hair-soft);
}
.page-contact .rhythm__list .num {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .14em;
  color: var(--champagne-500);
}
.page-contact .rhythm__list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--ivory-100);
}
.page-contact .rhythm__list li > span:last-child {
  grid-column: 2;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--slate-300);
}

/* ---------- 准备清单与合作对接 ---------- */
.page-contact .assist {
  padding: 0 0 clamp(44px, 6vw, 82px);
}
.page-contact .assist__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.6vw, 30px);
}
.page-contact .assist__panel {
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: linear-gradient(200deg, rgba(22, 48, 95, .46), rgba(5, 11, 26, .38));
}
.page-contact .prep {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
}
.page-contact .prep__item {
  border: 1px solid var(--hair-soft);
  border-radius: var(--radius);
  background: var(--glass-veil);
  transition: border-color 180ms var(--ease);
}
.page-contact .prep__item label {
  display: grid;
  grid-template-columns: 20px 30px 1fr;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
}
.page-contact .prep__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  width: 18px;
  height: 18px;
  margin: 0;
  border: 1px solid var(--brass-line);
  border-radius: 2px;
  background: transparent;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}
.page-contact .prep__box:checked {
  border-color: var(--champagne-500);
  background: rgba(201, 164, 92, .18);
}
.page-contact .prep__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 1.5px solid var(--champagne-500);
  border-bottom: 1.5px solid var(--champagne-500);
  transform: rotate(42deg);
}
.page-contact .prep__box:focus-visible {
  outline: 1px solid var(--champagne-500);
  outline-offset: 2px;
}
.page-contact .prep__item:has(.prep__box:checked) {
  border-color: rgba(201, 164, 92, .55);
}
.page-contact .prep__num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--champagne-500);
}
.page-contact .prep__text {
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--slate-300);
}
.page-contact .prep__text strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ivory-100);
}
.page-contact .partner__list {
  list-style: none;
  display: grid;
  gap: 12px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
}
.page-contact .partner__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--slate-300);
}
.page-contact .partner__list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  transform: rotate(45deg);
  background: var(--champagne-500);
}
.page-contact .assist__cta {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair-soft);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--slate-300);
}
.page-contact .assist__cta a {
  color: var(--champagne-200);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.page-contact .assist__cta a:hover {
  color: var(--champagne-500);
  border-bottom-color: var(--champagne-500);
}

/* ---------- 备案与服务地区 ---------- */
.page-contact .legal-strip {
  padding: 0 0 clamp(46px, 6vw, 78px);
}
.page-contact .legal-strip .divider {
  height: 1px;
  margin-bottom: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(90deg, transparent, var(--brass-line), transparent);
}
.page-contact .legal-strip__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 30px;
  margin: 0;
}
.page-contact .legal-strip__list dt {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--slate-300);
}
.page-contact .legal-strip__list dd {
  margin: 5px 0 0;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--ivory-100);
}
.page-contact .legal-strip__note {
  max-width: 760px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 13.5px;
  line-height: 1.92;
  color: var(--slate-300);
}
.page-contact .legal-strip__note a {
  color: var(--champagne-200);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.page-contact .legal-strip__note a:hover {
  color: var(--champagne-500);
  border-bottom-color: var(--champagne-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .legal-strip__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-contact .hero__grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-contact .how__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .assist__grid {
    grid-template-columns: 6fr 6fr;
  }
  .page-contact .assist__panel--shift {
    margin-top: 28px;
  }
}
<<<END>>>