/* =============================================
   联系通道页 / contact
   作用域：.page-contact
============================================= */
.page-contact {
  background-color: var(--bg);
  color: var(--muted);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

.page-contact h1,
.page-contact h2,
.page-contact h3 {
  color: var(--paper);
  font-family: var(--font-display);
  line-height: 1.16;
}

.page-contact h2 {
  font-size: 32px;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
}

.page-contact h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

.page-contact a {
  color: inherit;
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 24px;
}

.page-contact .contact-breadcrumb a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

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

.page-contact .contact-breadcrumb__sep {
  opacity: 0.4;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 76px 0 64px;
  background:
    linear-gradient(116deg, rgba(0, 212, 255, 0.12) 0%, rgba(10, 14, 23, 0) 45%),
    radial-gradient(circle at 82% 8%, rgba(57, 255, 136, 0.08) 0%, transparent 34%),
    var(--bg-field);
  border-bottom: 1px solid var(--border);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  z-index: 2;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-hero__copy {
  max-width: 720px;
}

.page-contact .contact-hero h1 {
  font-size: 38px;
  font-weight: 900;
  letter-spacing: 0.015em;
  margin: 0 0 20px;
}

.page-contact .contact-hero__accent {
  display: block;
  color: var(--blue);
}

.page-contact .contact-hero__lead {
  margin: 0 0 26px;
  max-width: 580px;
  font-size: 16px;
}

.page-contact .contact-hero__quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-contact .contact-hero__ql {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.page-contact .contact-hero__visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(0, 212, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

/* ---------- 直联通道 ---------- */
.page-contact .contact-direct {
  padding: 92px 0 56px;
}

.page-contact .contact-direct__head {
  max-width: 640px;
  margin-bottom: 46px;
}

.page-contact .contact-direct__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .contact-direct__tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 640px) {
  .page-contact .contact-direct__tiles {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-direct__grid {
    grid-template-columns: 1.18fr 0.82fr;
    gap: 42px;
  }
}

.page-contact .contact-tile {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px 16px;
  padding: 24px 20px 20px;
  margin: 0;
  background: var(--bg-field);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  transition:
    transform 0.22s var(--ease),
    border-color 0.22s var(--ease),
    box-shadow 0.22s var(--ease),
    background 0.22s var(--ease);
}

.page-contact .contact-tile:hover,
.page-contact .contact-tile:focus-visible {
  transform: translateY(-5px);
  border-color: rgba(0, 212, 255, 0.62);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(0, 212, 255, 0.14);
  background: #162033;
}

.page-contact .contact-tile__icon {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--blue);
}

.page-contact .contact-tile--biz .contact-tile__icon {
  color: var(--green);
}

.page-contact .contact-tile--phone .contact-tile__icon {
  color: var(--red);
}

.page-contact .contact-tile--address .contact-tile__icon {
  color: var(--paper);
}

.page-contact .contact-tile__label {
  align-self: end;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .contact-tile__value {
  align-self: start;
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.3;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .contact-tile__desc {
  grid-column: 1 / -1;
  border-top: 1px dashed var(--border);
  padding-top: 12px;
  font-size: 13px;
  line-height: 1.6;
}

.page-contact .contact-direct__fig {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--bg-field);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.page-contact .contact-direct__fig img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-direct__fig figcaption {
  padding: 16px 20px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(10, 14, 23, 0.45);
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-business {
  padding: 64px 0 88px;
}

.page-contact .contact-business__band {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 44px 22px;
  background:
    linear-gradient(116deg, rgba(57, 255, 136, 0.13) 0%, rgba(10, 14, 23, 0) 58%),
    var(--bg);
  border-top: 1px solid rgba(57, 255, 136, 0.35);
  border-bottom: 1px solid rgba(57, 255, 136, 0.2);
  border-left: 4px solid var(--green);
}

@media (min-width: 900px) {
  .page-contact .contact-business__band {
    grid-template-columns: 1.55fr 0.8fr;
    gap: 46px;
    padding: 56px 44px;
  }
}

.page-contact .contact-business__lead {
  margin: 0 0 30px;
  font-size: 15px;
  line-height: 1.7;
  max-width: 660px;
}

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

.page-contact .contact-business__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid rgba(57, 255, 136, 0.2);
}

.page-contact .contact-business__item-body {
  min-width: 0;
}

.page-contact .contact-business__num {
  font-family: var(--font-display);
  color: var(--green);
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .contact-business__item h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.page-contact .contact-business__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
}

.page-contact .contact-business__cta {
  display: inline-flex;
}

.page-contact .contact-business__aside {
  align-self: start;
  border: 1px solid rgba(57, 255, 136, 0.3);
  background: rgba(10, 14, 23, 0.6);
  padding: 26px 24px 24px;
}

.page-contact .contact-business__aside-title {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--paper);
}

.page-contact .contact-business__aside-mail {
  font-size: 14px;
  color: var(--green);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 18px;
  word-break: break-all;
}

.page-contact .contact-business__aside-mail:hover {
  text-decoration: underline;
}

.page-contact .contact-business__aside-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 13px;
}

.page-contact .contact-business__aside-list li {
  position: relative;
  padding-left: 18px;
}

.page-contact .contact-business__aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.46em;
  width: 8px;
  height: 8px;
  background: var(--green);
}

.page-contact .contact-business__aside-note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(57, 255, 136, 0.2);
  font-size: 13px;
  color: var(--green);
}

/* ---------- 联系表单 ---------- */
.page-contact .contact-form-section {
  padding: 80px 0 88px;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.06) 0%, transparent 34%);
}

.page-contact .contact-form-section__head {
  max-width: 620px;
  margin-bottom: 46px;
}

.page-contact .contact-form-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
  align-items: start;
}

@media (min-width: 920px) {
  .page-contact .contact-form-section__grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 60px;
  }
}

.page-contact .contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.page-contact .contact-form__field label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper);
}

.page-contact .contact-form__field input,
.page-contact .contact-form__field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 0;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  background: transparent;
  padding: 12px 2px;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--paper);
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-contact .contact-form__field textarea {
  resize: vertical;
  min-height: 96px;
}

.page-contact .contact-form__field input::placeholder,
.page-contact .contact-form__field textarea::placeholder {
  color: rgba(160, 168, 184, 0.5);
}

.page-contact .contact-form__field input:focus,
.page-contact .contact-form__field textarea:focus {
  outline: none;
  border-bottom-color: var(--blue);
  box-shadow: 0 1px 0 var(--blue);
}

.page-contact .contact-form__submit {
  border: 0;
  cursor: pointer;
}

.page-contact .contact-form__note {
  margin-top: 18px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.page-contact .contact-form-section__aside {
  display: grid;
  gap: 18px;
}

.page-contact .contact-form-section__figure {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--bg-field);
  overflow: hidden;
}

.page-contact .contact-form-section__figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-form-section__service {
  border: 1px solid var(--border);
  background: var(--bg-field);
  padding: 24px;
}

.page-contact .contact-form-section__service h3 {
  margin: 0 0 12px;
  font-size: 15px;
}

.page-contact .contact-form-section__service p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 关注我们 ---------- */
.page-contact .contact-social {
  border-top: 1px solid var(--border);
  padding: 84px 0 96px;
}

.page-contact .contact-social__head {
  max-width: 620px;
  margin-bottom: 44px;
}

.page-contact .contact-social__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 620px) {
  .page-contact .contact-social__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-social__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.page-contact .contact-social__item {
  display: block;
  padding: 26px 22px;
  border: 1px solid var(--border);
  background: linear-gradient(162deg, var(--bg-field) 0%, rgba(10, 14, 23, 0.3) 100%);
  color: var(--muted);
  text-decoration: none;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .contact-social__item:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.44);
}

.page-contact .contact-social__icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--blue);
  border: 1px solid var(--border);
  background: var(--bg);
}

.page-contact .contact-social__item:nth-child(2) .contact-social__icon {
  color: var(--green);
}

.page-contact .contact-social__item:nth-child(3) .contact-social__icon {
  color: var(--red);
}

.page-contact .contact-social__item--link .contact-social__icon {
  color: var(--paper);
}

.page-contact .contact-social__item h3 {
  margin: 0 0 10px;
  font-size: 15px;
}

.page-contact .contact-social__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
}

/* ---------- 更多入口 ---------- */
.page-contact .contact-links {
  padding: 0 0 100px;
}

.page-contact .contact-links__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  border-top: 1px solid var(--border);
  padding-top: 44px;
}

@media (min-width: 760px) {
  .page-contact .contact-links__inner {
    grid-template-columns: 0.75fr 1.25fr;
    gap: 60px;
  }
}

.page-contact .contact-links h2 {
  font-size: 24px;
  margin: 0;
}

.page-contact .contact-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-contact .contact-links__list li {
  border-top: 1px solid var(--border);
}

.page-contact .contact-links__list a {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 2px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-contact .contact-links__list a:hover {
  color: var(--blue);
  padding-left: 8px;
}