.page-contact {
  --cc-card-w: 336px;
  --cc-gap: clamp(28px, 4vw, 52px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 6vw, 62px) 0 clamp(40px, 7vw, 76px);
  isolation: isolate;
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-contact .contact-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-contact .contact-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(90% 80% at 8% 0%, rgba(177, 75, 255, 0.22), transparent 62%),
    linear-gradient(180deg, rgba(11, 16, 48, 0.68) 0%, rgba(11, 16, 48, 0.94) 58%, var(--ink) 100%);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__title {
  margin: 18px 0 0;
  font-size: clamp(33px, 6.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 14em;
}

.page-contact .contact-hero__title span {
  display: inline-block;
  color: var(--cyan);
}

.page-contact .contact-hero__lede {
  margin: 22px 0 0;
  max-width: 38em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__stats {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  max-width: 760px;
}

.page-contact .contact-hero__stats li {
  padding: 14px 16px 14px 18px;
  border-left: 2px solid var(--line-strong);
  background: linear-gradient(90deg, rgba(53, 240, 224, 0.09), transparent 82%);
}

.page-contact .contact-hero__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.05;
  color: var(--white);
}

.page-contact .contact-hero__num small {
  font-size: 0.38em;
  font-weight: 600;
  margin-left: 4px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .contact-hero__cap {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-shell {
  padding: clamp(44px, 6vw, 80px) 0 clamp(20px, 3vw, 32px);
}

.page-contact .contact-shell__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--cc-gap);
}

.page-contact .contact-card {
  padding: clamp(20px, 2.6vw, 26px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(53, 240, 224, 0.11), rgba(20, 27, 71, 0.94) 46%),
    var(--ink-2);
  box-shadow: var(--shadow-deep);
}

.page-contact .contact-card__label {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-card__block + .contact-card__block {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-card__key {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-contact .contact-card__value {
  margin: 6px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .contact-card__value.num {
  font-family: var(--mono);
  font-size: 23px;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-contact .contact-card__value--mail {
  font-size: 14.5px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-size: 15px;
  font-weight: 600;
}

.page-contact .contact-card__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-card__icp {
  margin: 12px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  opacity: 0.85;
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(42px, 5vw, 66px);
  min-width: 0;
}

/* ---------- 章节头 ---------- */
.page-contact .contact-sec__head {
  max-width: 40em;
}

.page-contact .contact-sec__head h2 {
  margin: 12px 0 0;
  font-size: clamp(25px, 3.4vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-contact .contact-sec__sub {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 34em;
}

/* ---------- 咨询类型 ---------- */
.page-contact .route-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .route {
  border-bottom: 1px solid var(--line);
}

.page-contact .route__summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 12px;
  padding: 22px 2px;
  cursor: pointer;
}

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

.page-contact .route__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.page-contact .route__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .route__title {
  font-size: clamp(18px, 2.3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--white);
  transition: color 0.2s var(--ease);
}

.page-contact .route__summary:hover .route__title {
  color: var(--cyan);
}

.page-contact .route__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .route[open] .route__tag {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .route__body {
  display: grid;
  gap: 16px;
  padding: 0 2px 26px;
  animation: contact-fade 0.32s var(--ease);
}

@keyframes contact-fade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-contact .route__body p {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .route__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-contact .route__check li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-contact .route__check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

@media (max-width: 620px) {
  .page-contact .route__summary {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .route__tag {
    grid-column: 2;
    justify-self: start;
    margin-top: 8px;
  }
}

/* ---------- 材料准备 ---------- */
.page-contact .contact-prep {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 40px);
  align-items: start;
}

.page-contact .contact-prep__text h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-contact .prep-steps {
  list-style: none;
  counter-reset: prep;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-contact .prep-steps li {
  counter-increment: prep;
  position: relative;
  padding-left: 48px;
}

.page-contact .prep-steps li::before {
  content: "0" counter(prep);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--cyan);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .prep-steps h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-contact .prep-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 32em;
}

.page-contact .contact-prep__media {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-3);
  aspect-ratio: 10 / 7;
}

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

.page-contact .contact-prep__media .media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 14px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--white);
  background: linear-gradient(180deg, transparent, rgba(11, 16, 48, 0.92) 52%);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop {
  padding: clamp(24px, 3.6vw, 38px);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(177, 75, 255, 0.22), rgba(61, 107, 255, 0.16) 52%, rgba(11, 16, 48, 0.92)),
    var(--ink-2);
}

.page-contact .contact-coop h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 900;
}

.page-contact .contact-coop__lead {
  margin: 14px 0 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .coop-grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .coop-item h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--white);
}

.page-contact .coop-item h3::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 2px;
  background: var(--orange);
  vertical-align: 1px;
}

.page-contact .coop-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .contact-coop__hint {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
}

/* ---------- 时效刻度尺 ---------- */
.page-contact .contact-clock {
  padding: clamp(44px, 6vw, 76px) 0;
  background: var(--ink-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .clock {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--line);
}

.page-contact .clock__item {
  position: relative;
  padding: 24px 16px 24px 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .clock__item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-contact .clock__item::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 42px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .clock__num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(32px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}

.page-contact .clock__num small {
  margin-left: 5px;
  font-size: 0.36em;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .clock__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-contact .clock__tip {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 底部引导 ---------- */
.page-contact .contact-more {
  padding: clamp(38px, 5vw, 64px) 0 clamp(52px, 7vw, 92px);
}

.page-contact .contact-more__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding-top: clamp(24px, 3.5vw, 36px);
  border-top: 1px solid var(--line);
}

.page-contact .contact-more__lead {
  margin: 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

.page-contact .contact-more__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

@media (min-width: 760px) {
  .page-contact .contact-prep {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  }
}

@media (min-width: 780px) {
  .page-contact .clock {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .clock__item {
    padding: 28px 22px 34px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-contact .clock__item:first-child {
    border-left: 0;
  }

  .page-contact .clock__tip {
    position: absolute;
    left: 22px;
    top: calc(100% - 10px);
    width: 258px;
    margin: 0;
    padding: 12px 14px;
    background: var(--ink-3);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-deep);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s;
    z-index: 4;
  }

  .page-contact .clock__item:hover .clock__tip,
  .page-contact .clock__item:focus-visible .clock__tip,
  .page-contact .clock__item:focus-within .clock__tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

@media (min-width: 820px) {
  .page-contact .contact-more__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }

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

@media (min-width: 980px) {
  .page-contact .contact-shell__grid {
    grid-template-columns: var(--cc-card-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .contact-card {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route__body {
    animation: none;
  }
  .page-contact .clock__tip,
  .page-contact .route__title,
  .page-contact .route__tag {
    transition: none;
  }
}
<<<END>>>