.page-contact {
  --cut-lg: 24px;
  --panel: #0F2440;
  --panel-soft: #14304F;
  background: var(--smoke);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑（压在深色首屏上） ---------- */
.page-contact .breadcrumb {
  position: relative;
  z-index: 3;
  padding-top: calc(var(--header-h) + 22px);
  color: rgba(248, 250, 252, .58);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.page-contact .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(212, 166, 74, .6);
}

.page-contact .breadcrumb a {
  color: rgba(248, 250, 252, .72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--spot);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  color: var(--smoke);
  background:
    radial-gradient(115% 85% at 84% -14%, rgba(255, 107, 26, .30), transparent 56%),
    radial-gradient(78% 66% at 6% 4%, rgba(124, 58, 237, .24), transparent 62%),
    linear-gradient(158deg, #0B1B33 0%, #070D18 100%);
  padding-bottom: clamp(40px, 7vw, 76px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(
    114deg,
    rgba(212, 166, 74, .10) 0 1px,
    transparent 1px 48px
  );
  opacity: .65;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: end;
  padding-top: clamp(26px, 4.5vw, 52px);
}

.page-contact .contact-hero__copy {
  min-width: 0;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .contact-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 7.4vw, 4.5rem);
  line-height: 1.06;
  letter-spacing: -.025em;
  color: var(--smoke);
}

.page-contact .contact-hero h1 .hl {
  display: inline-block;
  color: var(--spot);
  text-shadow: 0 0 46px rgba(255, 107, 26, .5);
}

.page-contact .contact-hero__lede {
  max-width: 46ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.78;
  color: rgba(248, 250, 252, .78);
}

.page-contact .contact-hero__points {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__points li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(248, 250, 252, .86);
}

.page-contact .contact-hero__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 12px;
  height: 2px;
  background: linear-gradient(90deg, var(--spot), var(--gold));
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

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

.page-contact .contact-hero__figure .figure__media {
  border: 1px solid rgba(212, 166, 74, .3);
  aspect-ratio: 16 / 10;
}

.page-contact .contact-hero__figure .figure__media img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: rgba(248, 250, 252, .52);
}

/* ---------- 通用区块头 ---------- */
.page-contact .section {
  padding: clamp(52px, 8vw, 96px) 0;
}

.page-contact .contact-head {
  max-width: 62ch;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .contact-head h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .contact-head__lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(11, 27, 51, .72);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  background: var(--smoke);
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .channel-card {
  position: relative;
  min-width: 0;
  padding: clamp(22px, 3vw, 32px) clamp(20px, 3vw, 30px);
  background: var(--sand);
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut-lg)) 0,
    100% var(--cut-lg),
    100% 100%,
    var(--cut-lg) 100%,
    0 calc(100% - var(--cut-lg))
  );
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--azurite), var(--gold));
}

.page-contact .channel-card--spot {
  background: linear-gradient(150deg, #0F2440 0%, #0B1B33 78%);
  color: var(--smoke);
}

.page-contact .channel-card--spot::before {
  background: linear-gradient(90deg, var(--spot), var(--violet));
}

.page-contact .channel-card__no {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--ochre);
}

.page-contact .channel-card--spot .channel-card__no {
  color: var(--gold);
}

.page-contact .channel-card h3 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.32rem;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .channel-card--spot h3 {
  color: var(--smoke);
}

.page-contact .channel-card__value {
  margin: 12px 0 0;
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -.01em;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card--spot .channel-card__value {
  color: var(--spot);
  font-size: 1.22rem;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.02rem;
}

.page-contact .channel-card__desc {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(11, 27, 51, .7);
}

.page-contact .channel-card--spot .channel-card__desc {
  color: rgba(248, 250, 252, .74);
}

.page-contact .contact-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin-top: 22px;
  padding: 16px clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-strip__label {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .contact-strip__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.page-contact .contact-strip__link {
  font-size: 13px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 27, 51, .25);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .contact-strip__link:hover {
  color: var(--spot);
  border-bottom-color: var(--spot);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .contact-prepare {
  background: #FFFFFF;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 56px);
  align-items: start;
}

.page-contact .prepare-copy {
  min-width: 0;
}

.page-contact .prepare-copy h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .prepare-copy__lede {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(11, 27, 51, .72);
}

.page-contact .prepare-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  counter-reset: prep;
}

.page-contact .prepare-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .prepare-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .prepare-item__no {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: rgba(212, 166, 74, .18);
  border: 1px solid rgba(212, 166, 74, .55);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.page-contact .prepare-item h3 {
  margin: 6px 0 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .prepare-item p {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(11, 27, 51, .68);
}

.page-contact .prepare-figure {
  min-width: 0;
  margin: 0;
  position: relative;
}

.page-contact .prepare-figure::after {
  content: "";
  position: absolute;
  left: -14px;
  bottom: 34px;
  width: 3px;
  height: 84px;
  background: linear-gradient(180deg, var(--spot), transparent);
  pointer-events: none;
}

.page-contact .prepare-figure .figure__media {
  border: 1px solid var(--line);
  aspect-ratio: 10 / 7;
}

.page-contact .prepare-figure .figure__media img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .prepare-figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 邮件标题建议 ---------- */
.page-contact .contact-mail {
  position: relative;
  color: var(--smoke);
  background:
    radial-gradient(90% 70% at 92% 0%, rgba(255, 107, 26, .22), transparent 58%),
    linear-gradient(170deg, #0B1B33 0%, #0F2440 100%);
}

.page-contact .contact-head--invert h2 {
  color: var(--smoke);
}

.page-contact .contact-head--invert .contact-head__lede {
  color: rgba(248, 250, 252, .76);
}

.page-contact .mail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .mail-build {
  min-width: 0;
  padding: clamp(24px, 3.4vw, 36px);
  background: rgba(248, 250, 252, .05);
  border: 1px solid rgba(212, 166, 74, .34);
  clip-path: polygon(
    0 0,
    calc(100% - 28px) 0,
    100% 28px,
    100% 100%,
    28px 100%,
    0 calc(100% - 28px)
  );
}

.page-contact .mail-build__label,
.page-contact .mail-samples__label {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-contact .mail-build__formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.6vw, 16px);
  line-height: 1.6;
  color: var(--smoke);
}

.page-contact .mail-build__fixed {
  padding: 7px 12px;
  color: #0B1B33;
  font-weight: 700;
  background: var(--spot);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.page-contact .mail-build__sep {
  color: rgba(248, 250, 252, .4);
}

.page-contact .mail-build__var {
  padding: 7px 12px;
  color: var(--smoke);
  border: 1px dashed rgba(248, 250, 252, .32);
}

.page-contact .mail-build__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(248, 250, 252, .72);
}

.page-contact .mail-samples {
  min-width: 0;
  padding: clamp(22px, 3vw, 30px);
  background: rgba(124, 58, 237, .12);
  border: 1px solid rgba(124, 58, 237, .38);
}

.page-contact .mail-samples__label {
  color: rgba(248, 250, 252, .62);
}

.page-contact .mail-samples__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .mail-samples__list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(248, 250, 252, .9);
  border-top: 1px solid rgba(248, 250, 252, .12);
  word-break: break-word;
}

.page-contact .mail-samples__list li:last-child {
  border-bottom: 1px solid rgba(248, 250, 252, .12);
}

.page-contact .mail-samples__tag {
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--gold);
}

/* ---------- 回复时段与服务范围 ---------- */
.page-contact .contact-hours {
  background: var(--sand);
}

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .hours-panel {
  min-width: 0;
  padding: clamp(26px, 3.6vw, 40px);
  background: #FFFFFF;
  border: 1px solid var(--line);
}

.page-contact .hours-panel h2,
.page-contact .scope-panel h2 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .hours-panel p,
.page-contact .scope-panel p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(11, 27, 51, .72);
}

.page-contact .hours-facts {
  margin: 26px 0 0;
  display: grid;
  gap: 0;
}

.page-contact .hours-facts > div {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 13px 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .hours-facts > div:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .hours-facts dt {
  min-width: 84px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ochre);
}

.page-contact .hours-facts dd {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
}

.page-contact .scope-panel {
  min-width: 0;
  padding: clamp(26px, 3.6vw, 40px);
  background: linear-gradient(155deg, #0F2440 0%, #0B1B33 82%);
  color: var(--smoke);
}

.page-contact .scope-panel h2 {
  color: var(--smoke);
}

.page-contact .scope-panel p {
  color: rgba(248, 250, 252, .76);
}

.page-contact .scope-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .scope-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(248, 250, 252, .88);
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 10px;
  height: 10px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

.page-contact .scope-panel__foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(248, 250, 252, .14);
  font-size: 14px;
  line-height: 1.76;
  color: rgba(248, 250, 252, .66);
}

.page-contact .scope-panel__foot a {
  color: var(--spot);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 26, .5);
}

.page-contact .scope-panel__foot a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 合作与资料咨询 ---------- */
.page-contact .contact-coop {
  background: #FFFFFF;
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .coop-card {
  min-width: 0;
  padding: clamp(24px, 3.2vw, 34px);
  background: var(--smoke);
  border: 1px solid var(--line);
  border-left: 3px solid var(--azurite);
}

.page-contact .coop-card--biz {
  border-left-color: var(--spot);
  background: linear-gradient(160deg, #FFF6EF 0%, #FFFFFF 72%);
}

.page-contact .coop-card__kicker {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--azurite);
}

.page-contact .coop-card--biz .coop-card__kicker {
  color: var(--spot);
}

.page-contact .coop-card h3 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.32;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .coop-card__list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .coop-card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(11, 27, 51, .74);
}

.page-contact .coop-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 2px;
  background: var(--gold);
}

.page-contact .coop-card__foot {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .coop-tail {
  margin-top: 26px;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .coop-tail p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(11, 27, 51, .66);
}

.page-contact .coop-tail a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(184, 92, 56, .55);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .coop-tail a:hover {
  color: var(--spot);
  border-bottom-color: var(--spot);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 24px;
  }

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

  .page-contact .channel-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .channel-card:last-child {
    grid-column: auto;
  }

  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-contact .prepare-figure {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }

  .page-contact .mail-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-contact .coop-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
  }

  .page-contact .coop-card--biz {
    transform: translateY(18px);
  }
}

@media (min-width: 1180px) {
  .page-contact .prepare-item {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 20px;
  }
}
<<<END>>>