.page-contact {
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  margin-top: calc(var(--header-h) * -1);
  padding: calc(var(--header-h) + 40px) 0 44px;
  overflow: hidden;
  border-bottom: 2px solid var(--line-strong);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: 0.42;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(255, 106, 43, 0.16), transparent 58%),
    radial-gradient(90% 70% at 0% 100%, rgba(45, 212, 191, 0.14), transparent 62%),
    linear-gradient(168deg, rgba(7, 28, 22, 0.95) 8%, rgba(7, 28, 22, 0.72) 46%, rgba(7, 28, 22, 0.98) 100%);
}

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

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 7.4vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 14px 0 18px;
  max-width: 18ch;
  color: var(--paper);
}

.page-contact .contact-hero h1 em {
  font-style: normal;
  color: var(--lime);
}

.page-contact .contact-hero .lead {
  max-width: 58ch;
  color: rgba(244, 247, 242, 0.86);
}

.page-contact .contact-hero__tags {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-band {
  padding: 44px 0;
}

.page-contact .contact-band--tight {
  padding: 20px 0 44px;
}

.page-contact .contact-band--last {
  padding: 20px 0 56px;
}

.page-contact .contact-band__head {
  max-width: 64ch;
  margin-bottom: 26px;
}

.page-contact .contact-band__head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.page-contact .contact-band h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
  color: var(--paper);
}

/* ---------- 咨询路径 ---------- */
.page-contact .contact-paths__grid {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
}

.page-contact .contact-tree {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
}

.page-contact .contact-tree::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--lime), var(--teal) 52%, var(--orange));
  opacity: 0.55;
}

.page-contact .contact-tree__node {
  position: relative;
  background: var(--panel);
  border: 2px solid var(--line-strong);
  padding: 16px 16px 18px;
  margin-bottom: 14px;
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

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

.page-contact .contact-tree__node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 22px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
  box-sizing: border-box;
}

.page-contact .contact-tree__node:nth-child(2)::before {
  border-color: var(--orange);
}

.page-contact .contact-tree__node:nth-child(3)::before {
  border-color: var(--teal);
}

.page-contact .contact-tree__node:hover {
  transform: translateY(-2px);
  border-color: var(--lime);
  box-shadow: 6px 6px 0 0 rgba(200, 255, 61, 0.18);
}

.page-contact .tree__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 7px;
}

.page-contact .tree__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-contact .tree__desc {
  margin: 0 0 8px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-contact .tree__link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
}

.page-contact .tree__link:hover {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

/* ---------- 联系面板 ---------- */
.page-contact .contact-panel {
  position: relative;
  background: linear-gradient(168deg, var(--panel-2), var(--panel) 62%, #0c241c);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  padding: 22px 20px 18px;
}

.page-contact .contact-panel::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 4px;
  background: linear-gradient(90deg, var(--lime), var(--orange) 68%, var(--teal));
}

.page-contact .contact-panel__kick {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .contact-panel__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-contact .contact-panel__sub {
  margin: 0 0 6px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .contact-row {
  border-top: 1px solid var(--line);
  padding: 14px 0 12px;
}

.page-contact .contact-row__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 6px;
}

.page-contact .contact-row__value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid rgba(200, 255, 61, 0.35);
}

.page-contact .contact-row__value--plain {
  border-bottom-color: var(--line-strong);
}

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

.page-contact .contact-row__note {
  margin: 8px 0 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 回复节奏 ---------- */
.page-contact .rhythm {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-contact .rhythm__item {
  background: rgba(15, 46, 37, 0.55);
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  padding: 16px 18px;
}

.page-contact .rhythm__item--lime {
  border-left-color: var(--lime);
  background: rgba(15, 46, 37, 0.82);
}

.page-contact .rhythm__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  margin-bottom: 8px;
}

.page-contact .rhythm__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 网络断点 ---------- */
.page-contact .contact-network {
  position: relative;
  padding: 40px 0 44px;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background:
    radial-gradient(80% 120% at 18% 0%, #0d2b22 0%, rgba(7, 28, 22, 0.9) 55%, #0b0d0c 100%);
  overflow: hidden;
}

.page-contact .contact-network__inner h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 8px 0 18px;
  color: var(--paper);
}

.page-contact .contact-network__svg {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 0 18px;
}

.page-contact .contact-network__svg circle {
  animation: contact-pulse 3.6s var(--ease) infinite;
}

.page-contact .contact-network__svg circle:nth-child(2) {
  animation-delay: 0.6s;
}

.page-contact .contact-network__cap {
  margin: 0;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--muted);
}

@keyframes contact-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- 合作洽谈 ---------- */
.page-contact .collab__grid {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
}

.page-contact .collab__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  background: var(--panel);
}

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

.page-contact .collab__link {
  display: inline-block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
}

.page-contact .collab__link:hover {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

.page-contact .tabs__panel p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 咨询前准备 ---------- */
.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-contact .prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  background: var(--panel);
  border: 2px solid var(--line);
  padding: 15px 16px;
}

.page-contact .prep__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-contact .prep__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.08rem;
  margin: 0 0 6px;
  color: var(--paper);
}

.page-contact .prep__body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 广东节点 ---------- */
.page-contact .region {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr;
  border: 2px solid var(--line-strong);
  background:
    linear-gradient(150deg, rgba(15, 46, 37, 0.9), rgba(11, 13, 12, 0.95));
  padding: 22px 20px;
  box-shadow: var(--shadow-hard);
}

.page-contact .region h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  letter-spacing: -0.02em;
  margin: 8px 0 12px;
  color: var(--paper);
}

.page-contact .region__main p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .region__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-contact .region__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--line);
}

.page-contact .region__facts li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .region__k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-contact .region__v {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-word;
}

/* ---------- 常见问题 ---------- */
.page-contact .faq details {
  background: var(--panel);
  border: 2px solid var(--line);
  margin-bottom: 10px;
}

.page-contact .faq details[open] {
  border-color: var(--line-strong);
}

.page-contact .faq summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 14px 46px 14px 16px;
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-contact .faq summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--lime);
}

.page-contact .faq details[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-contact .faq details[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-contact .faq p {
  margin: 0;
  padding: 14px 16px;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .faq p a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
}

.page-contact .contact-more {
  margin: 22px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-more a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
}

.page-contact .contact-more a:hover {
  color: var(--lime-soft);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-band {
    padding: 58px 0;
  }

  .page-contact .contact-band--tight {
    padding: 24px 0 58px;
  }

  .page-contact .contact-band--last {
    padding: 24px 0 72px;
  }

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

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

  .page-contact .prep__item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .page-contact .region__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 980px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 76px) 0 72px;
  }

  .page-contact .contact-band {
    padding: 72px 0;
  }

  .page-contact .contact-band--tight {
    padding: 28px 0 72px;
  }

  .page-contact .contact-band--last {
    padding: 28px 0 88px;
  }

  .page-contact .contact-paths__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .contact-paths__side {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }

  .page-contact .collab__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-contact .region {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 36px;
    padding: 32px 34px;
  }

  .page-contact .region__facts {
    border-top: 0;
    align-content: start;
  }

  .page-contact .region__facts li:first-child {
    padding-top: 0;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-tree__node,
  .page-contact .contact-network__svg circle {
    animation: none;
    transition: none;
  }

  .page-contact .contact-tree__node:hover {
    transform: none;
  }
}
<<<END>>>