.page-contact {
  --pc-ring: rgba(42, 53, 71, .82);
  --pc-surface: rgba(18, 26, 43, .72);
  --pc-surface-deep: rgba(11, 18, 32, .58);
  --pc-gap: clamp(18px, 2.8vw, 34px);
  color: var(--white);
  padding-bottom: clamp(56px, 8vw, 112px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: clamp(14px, 2vw, 24px) 0 clamp(16px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gray);
}

.page-contact .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(22px, 3.4vw, 40px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(32px, 6.2vw, 72px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--white);
}

.page-contact .contact-hero__title .hl {
  color: var(--green);
}

.page-contact .contact-hero__lead {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(245, 248, 247, .78);
}

/* ---------- 联系主区 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  margin-top: clamp(26px, 4vw, 48px);
  padding: clamp(18px, 2.6vw, 32px);
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(0, 230, 118, .12), transparent 62%),
    radial-gradient(110% 100% at 100% 6%, rgba(30, 107, 255, .14), transparent 64%),
    var(--pc-surface-deep);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.page-contact .contact-split__left,
.page-contact .contact-split__right {
  min-width: 0;
}

.page-contact .contact-split__right {
  display: grid;
  gap: 14px;
}

.page-contact .split-title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  letter-spacing: -.015em;
}

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

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 12px;
  padding: clamp(14px, 1.9vw, 18px);
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--pc-surface);
  transition: border-color .2s ease, background .2s ease;
}

.page-contact .channel:hover {
  border-color: rgba(0, 245, 212, .48);
  background: rgba(18, 26, 43, .88);
}

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

.page-contact .channel__meta {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
}

.page-contact .channel__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .channel__hint {
  font-size: 12px;
  color: var(--gray);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.2vw, 23px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color .18s ease;
}

.page-contact .channel__value:hover {
  color: var(--green);
}

.page-contact .channel__value--text {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 600;
  line-height: 1.5;
}

.page-contact .channel .copy-btn {
  align-self: center;
  white-space: nowrap;
}

.page-contact .channel-note {
  margin: 16px 0 0;
  padding-left: 12px;
  border-left: 2px solid rgba(0, 230, 118, .6);
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 媒体与地图 ---------- */
.page-contact .media-frame {
  margin: 0;
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-contact .city-map {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--pc-surface-deep);
}

/* ---------- 区块节奏 ---------- */
.page-contact section + section {
  margin-top: clamp(38px, 6vw, 78px);
}

.page-contact .section-head {
  margin-bottom: 12px;
}

.page-contact .section-lead {
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  max-width: 68ch;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.78;
  color: var(--gray);
}

/* ---------- 反馈与咨询 ---------- */
.page-contact .use-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--pc-ring);
  overflow: hidden;
}

.page-contact .use-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--ink-800);
  border-top: 3px solid transparent;
  transition: border-color .22s ease, background .22s ease;
}

.page-contact .use-card:hover {
  border-top-color: var(--green);
  background: var(--ink-700);
}

.page-contact .use-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .use-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 248, 247, .72);
}

.page-contact .use-card__send {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--cyan);
}

/* ---------- 商务合作 ---------- */
.page-contact .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--pc-ring);
  overflow: hidden;
}

.page-contact .coop-item {
  padding: clamp(16px, 2.2vw, 24px);
  background: var(--ink-800);
  border-left: 3px solid var(--line);
  transition: background .22s ease;
}

.page-contact .coop-item:hover {
  background: var(--ink-700);
}

.page-contact .coop-item[data-filter-item="venue"] {
  border-left-color: var(--green);
}

.page-contact .coop-item[data-filter-item="data"] {
  border-left-color: var(--cyan);
}

.page-contact .coop-item[data-filter-item="brand"] {
  border-left-color: var(--purple);
}

.page-contact .coop-item[data-filter-item="region"] {
  border-left-color: var(--orange);
}

.page-contact .coop-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.8vw, 19px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .coop-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 248, 247, .72);
}

/* ---------- 到访与区域 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .visit-lead {
  margin: 0 0 14px;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: rgba(245, 248, 247, .76);
}

.page-contact .visit-facts {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--pc-ring);
  overflow: hidden;
}

.page-contact .visit-facts > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 12px 16px;
  background: var(--ink-800);
}

.page-contact .visit-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-contact .visit-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .visit-visual {
  min-width: 0;
}

/* ---------- 回复时间与流程 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .flow__step {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.2vw, 22px);
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--green);
}

.page-contact .flow__step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-contact .flow__step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(245, 248, 247, .7);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-next {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--pc-ring);
  border-radius: var(--r-lg);
  background: linear-gradient(100deg, rgba(0, 230, 118, .12), rgba(30, 107, 255, .12));
}

.page-contact .contact-next__text {
  margin: 0;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.7;
  color: rgba(245, 248, 247, .82);
}

.page-contact .contact-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .coop-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    border: 1px solid var(--pc-ring);
    border-radius: var(--r-md);
    background: var(--pc-ring);
    overflow: hidden;
  }

  .page-contact .flow__step {
    border: 0;
    border-radius: 0;
    background: var(--ink-800);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-contact .use-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}